Dave Jarvis' Repositories

git clone https://repo.autonoma.ca/repo/keenwrite.git
A .gitattributes
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# always use LF line endings
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# ALL FILES:
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#   Normalize line endings to LF on checkin and
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#   prevent conversion to CRLF when the file is checked out.
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* text eol=lf
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# BINARY FILES:
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#   Disable line ending normalize on checkin.
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*.bin binary
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*.exe binary
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*.gif binary
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*.jar binary
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*.png binary
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*.zip binary
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*.ttf binary
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*.otf binary
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*.blend binary
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A .github/ISSUE_TEMPLATE/bug_report.md
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---
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name: Bug report
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about: Create a report to help us improve
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title: ''
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labels: bug
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assignees: ''
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---
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**Description**
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A concise problem description.
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**Replicate**
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Exact and complete steps to reproduce the problem 100% of the time:
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1. Open '...'
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1. Click '....'
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1. Click '....'
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**Expected**
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Describe the expected behaviour.
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**Actual**
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Describe the actual behaviour.
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**Screenshots**
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Add screenshots to show the problem, if applicable.
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**Environment**
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 - Operating System: (Windows, Linux, Mac)
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 - Application: e.g., 1.7.16
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**Details**
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Add additional information, if applicable.
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A .gitignore
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dist
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*.bin
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*.exe
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/*.jar
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build
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.gradle
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contacted.csv
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video
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.settings
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.classpath
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.idea
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A .project
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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	<name>Markdown Writer FX</name>
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	<comment></comment>
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	<projects>
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	</projects>
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	<buildSpec>
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		<buildCommand>
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			<name>org.eclipse.jdt.core.javabuilder</name>
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			<arguments>
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			</arguments>
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		</buildCommand>
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		<buildCommand>
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			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
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			<arguments>
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			</arguments>
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		</buildCommand>
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	</buildSpec>
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	<natures>
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		<nature>org.eclipse.jdt.core.javanature</nature>
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		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
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	</natures>
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	<filteredResources>
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		<filter>
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			<id>1438449113801</id>
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			<name></name>
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			<type>26</type>
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			<matcher>
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				<id>org.eclipse.ui.ide.multiFilter</id>
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				<arguments>1.0-projectRelativePath-matches-false-false-build</arguments>
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			</matcher>
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		</filter>
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		<filter>
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			<id>1438449113801</id>
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			<name></name>
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			<type>26</type>
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			<matcher>
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				<id>org.eclipse.ui.ide.multiFilter</id>
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				<arguments>1.0-projectRelativePath-matches-false-false-.gradle</arguments>
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			</matcher>
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		</filter>
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	</filteredResources>
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</projectDescription>
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A BUILD.md
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# Introduction
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This document describes how to build the application and platform binaries.
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# Requirements
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Download and install the following software packages:
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* [OpenJDK 14.0.2](https://openjdk.java.net) (full JDK, including JavaFX)
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* [Gradle 6.4](https://gradle.org/releases)
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* [Git 2.28.0](https://git-scm.com/downloads)
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## Repository
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Clone the repository as follows:
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    git clone https://github.com/DaveJarvis/keenwrite.git
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The repository is cloned.
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# Build
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Build the application überjar as follows:
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    cd keenwrite
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    gradle clean jar
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The application is built.
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# Run
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After the application is compiled, run it as follows:
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    java -jar build/libs/keenwrite.jar
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On Windows:
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    java -jar build\libs\keenwrite.jar
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# Integrated development environments
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This section describes setup instructions to import and run the application using an integrated development environment (IDE). Running the application should trigger a build.
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## IntelliJ IDEA
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This section describes how to build and run the application using IntellIJ's IDEA.
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### Import
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Complete the following steps to import the application:
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1. Start the IDE.
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1. Click **File → New → Project from Existing Sources**.
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1. Browse to the directory containing `keenwrite`.
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1. Click **OK**.
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1. Select **Gradle** as the external model.
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1. Click **Finish**.
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The project is imported into the IDE.
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### Run
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Run the application as follows:
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1. Ensure the **Project** is open.
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1. Expand **src → main → java → com.keenwrite**.
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1. Open **Launcher**.
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1. Run **main**.
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The application is launched.
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# Installers
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This section describes how to set up the development environment and build native executables for supported operating systems.
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## Setup
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Follow these one-time setup instructions to begin:
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1. Ensure `$HOME/bin` is set in the `PATH` environment variable.
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1. Copy `build-template` into `$HOME/bin`.
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Setup is complete.
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## Binaries
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Run the `installer` script to build platform-specific binaries, such as:
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    ./installer -V -o linux
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The `installer` script:
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* downloads a JDK;
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* generates a run script;
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* bundles the JDK, run script, and JAR file; and
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* creates a standalone binary, so no installation required.
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Run `./installer -h` to see all command-line options.
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# Versioning
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Version numbers are read directly from Git using a plugin. The version number is written to `app.properties` in the `resources` directory. The application reads that file to display version information upon start.
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1104
A CODE_OF_CONDUCT.md
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# Contributor Covenant Code of Conduct
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## Our Pledge
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In the interest of fostering an open and welcoming environment, we as
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contributors and maintainers pledge to making participation in our project and
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our community a harassment-free experience for everyone, regardless of age, body
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size, disability, ethnicity, sex characteristics, gender identity and expression,
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level of experience, education, socio-economic status, nationality, personal
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appearance, race, religion, or sexual identity and orientation.
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## Our Standards
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Examples of behavior that contributes to creating a positive environment
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include:
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* Using welcoming and inclusive language
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* Being respectful of differing viewpoints and experiences
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* Gracefully accepting constructive criticism
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* Focusing on what is best for the community
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* Showing empathy towards other community members
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Examples of unacceptable behavior by participants include:
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* The use of sexualized language or imagery and unwelcome sexual attention or
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 advances
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* Trolling, insulting/derogatory comments, and personal or political attacks
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* Public or private harassment
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* Publishing others' private information, such as a physical or electronic
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 address, without explicit permission
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* Other conduct which could reasonably be considered inappropriate in a
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 professional setting
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## Our Responsibilities
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Project maintainers are responsible for clarifying the standards of acceptable
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behavior and are expected to take appropriate and fair corrective action in
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response to any instances of unacceptable behavior.
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Project maintainers have the right and responsibility to remove, edit, or
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reject comments, commits, code, wiki edits, issues, and other contributions
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that are not aligned to this Code of Conduct, or to ban temporarily or
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permanently any contributor for other behaviors that they deem inappropriate,
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threatening, offensive, or harmful.
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## Scope
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This Code of Conduct applies both within project spaces and in public spaces
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when an individual is representing the project or its community. Examples of
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representing a project or community include using an official project e-mail
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address, posting via an official social media account, or acting as an appointed
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representative at an online or offline event. Representation of a project may be
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further defined and clarified by project maintainers.
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## Enforcement
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Instances of abusive, harassing, or otherwise unacceptable behavior may be
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reported by contacting the project team at Dave.Jarvis@gmail.com. All
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complaints will be reviewed and investigated and will result in a response that
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is deemed necessary and appropriate to the circumstances. The project team is
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obligated to maintain confidentiality with regard to the reporter of an incident.
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Further details of specific enforcement policies may be posted separately.
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Project maintainers who do not follow or enforce the Code of Conduct in good
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faith may face temporary or permanent repercussions as determined by other
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members of the project's leadership.
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## Attribution
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This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
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available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
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[homepage]: https://www.contributor-covenant.org
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For answers to common questions about this code of conduct, see
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https://www.contributor-covenant.org/faq
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A LICENSE.md
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# License
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Copyright 2020 White Magic Software, Ltd.
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Copyright 2015 Karl Tauber
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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  notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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  notice, this list of conditions and the following disclaimer in the
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  documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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A PROGUARD.md
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From https://github.com/greenrobot/EventBus#r8-proguard
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	-keepattributes *Annotation*
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	-keepclassmembers class * {
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			@org.greenrobot.eventbus.Subscribe <methods>;
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	}
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	-keep enum org.greenrobot.eventbus.ThreadMode { *; }
8
	 
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A R/README.md
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# R Functions
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Import the files in this directory into the application, which include:
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* pluralize.R
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* possessive.R
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* conversion.R
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* csv.R
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# pluralize.R
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This file defines a function that implements most of Damian Conway's [An Algorithmic Approach to English Pluralization](http://blob.perl.org/tpc/1998/User_Applications/Algorithmic%20Approach%20Plurals/Algorithmic_Plurals.html).
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## Usage
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Example usages of the pluralize function include:
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    `r#pluralize( 'mouse' )` - mice
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    `r#pluralize( 'buzz' )` - buzzes
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    `r#pluralize( 'bus' )` - busses
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# possessive.R
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This file defines a function that applies possessives to English words.
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## Usage
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Example usages of the possessive function include:
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    `r#pos( 'Ross' )` - Ross'
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    `r#pos( 'Ruby' )` - Ruby's
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    `r#pos( 'Lois' )` - Lois'
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    `r#pos( 'my' )` - mine
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    `r#pos( 'Your' )` - Yours
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A R/bootstrap.R
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setwd( '{{application.r.working.directory}}' )
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assign( "anchor", '{{date.anchor}}', envir = .GlobalEnv )
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source( 'pluralize.R' )
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source( 'possessive.R' )
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source( 'conversion.R' )
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source( 'csv.R' )
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A R/conversion.R
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# -----------------------------------------------------------------------------
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# Copyright 2020, White Magic Software, Ltd.
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# 
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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# 
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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# 
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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# -----------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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# Substitute R expressions in a document with their evaluated value. The
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# anchor variable must be set for functions that use relative dates.
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# -----------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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# Evaluates an expression; writes s if there is no expression.
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# -----------------------------------------------------------------------------
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x <- function( s ) {
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  tryCatch( {
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    r = eval( parse( text = s ) )
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    # If the result isn't primitive, then it was probably parsed into
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    # an unprintable object (e.g., "gray" becomes a colour). In those
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    # cases, return the original text string. Otherwise, an atomic
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    # value means a primitive type (string, integer, etc.) that can be
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    # written directly into the document.
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    ifelse( is.atomic( r ), r, s );
42
  },
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  warning = function( w ) { s },
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  error = function( e ) { s } )
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}
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# -----------------------------------------------------------------------------
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# Returns a date offset by a given number of days, relative to the given
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# date (d). This does not use the anchor, but is used to get the anchor's
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# value as a date.
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# -----------------------------------------------------------------------------
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when <- function( d, n = 0, format = "%Y-%m-%d" ) {
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  as.Date( d, format = format ) + x( n )
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}
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# -----------------------------------------------------------------------------
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# Full date (s) offset by an optional number of days before or after.
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# This will remove leading zeros (applying leading spaces instead, which
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# are ignored by any worthwhile typesetting engine).
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# -----------------------------------------------------------------------------
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annal <- function( days = 0, format = "%Y-%m-%d", oformat = "%B %d, %Y" ) {
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  format( when( anchor, days ), format = oformat )
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}
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# -----------------------------------------------------------------------------
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# Extracts the year from a date string.
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# -----------------------------------------------------------------------------
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year <- function( days = 0, format = "%Y-%m-%d" ) {
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  annal( days, format, "%Y" )
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}
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# -----------------------------------------------------------------------------
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# Day of the week (in days since the anchor date).
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# -----------------------------------------------------------------------------
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weekday <- function( n ) {
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  weekdays( when( anchor, n ) )
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}
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# -----------------------------------------------------------------------------
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# String concatenate function alias because paste0 is a terrible name.
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# -----------------------------------------------------------------------------
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concat <- paste0
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# -----------------------------------------------------------------------------
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# Translates a number from digits to words using Chicago Manual of Style.
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# This does not translate numbers greater than one hundred. If ordinal
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# is TRUE, this will return the ordinal name. This will not produce ordinals
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# for numbers greater than 100.
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# -----------------------------------------------------------------------------
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cms <- function( n, ordinal = FALSE ) {
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  n <- x( n )
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  if( n == 0 ) {
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    if( ordinal ) {
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      return( "zeroth" )
96
    }
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    return( "zero" )
99
  }
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  # Concatenate this a little later.
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  if( n < 0 ) {
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    result = "negative "
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    n = abs( n )
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  }
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  # Do not spell out numbers greater than one hundred.
108
  if( n > 100 ) {
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    # Comma-separated numbers.
110
    return( commas( n ) )
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  }
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  # Don't go beyond 100.
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  if( n == 100 ) {
115
    if( ordinal ) {
116
      return( "one hundredth" )
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    }
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    return( "one hundred" )
120
  }
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  # Samuel Langhorne Clemens noted English has too many exceptions.
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  small = c(
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    "one", "two", "three", "four", "five",
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    "six", "seven", "eight", "nine", "ten",
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    "eleven", "twelve", "thirteen", "fourteen", "fifteen",
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    "sixteen", "seventeen", "eighteen", "nineteen"
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  )
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  ord_small = c(
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    "first", "second", "third", "fourth", "fifth",
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    "sixth", "seventh", "eighth", "ninth", "tenth",
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    "eleventh", "twelfth", "thirteenth", "fourteenth", "fifteenth",
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    "sixteenth", "seventeenth", "eighteenth", "nineteenth", "twentieth"
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  )
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  # After this, the number (n) is between 20 and 99.
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  if( n < 20 ) {
139
    if( ordinal ) {
140
      return( .subset( ord_small, n %% 100 ) )
141
    }
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    return( .subset( small, n %% 100 ) )
144
  }
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  tens = c( "",
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    "twenty", "thirty", "forty", "fifty",
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    "sixty", "seventy", "eighty", "ninety"
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  )
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  ord_tens = c( "",
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    "twentieth", "thirtieth", "fortieth", "fiftieth",
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    "sixtieth", "seventieth", "eightieth", "ninetieth"
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  )
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  ones_index = n %% 10
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  n = n %/% 10
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159
  # No number in the ones column, so the number must be a multiple of ten.
160
  if( ones_index == 0 ) {
161
    if( ordinal ) {
162
      return( .subset( ord_tens, n ) )
163
    }
164
165
    return( .subset( tens, n ) )
166
  }
167
168
  # Find the value from the ones column.
169
  if( ordinal ) {
170
    unit_1 = .subset( ord_small, ones_index )
171
  }
172
  else {
173
    unit_1 = .subset( small, ones_index )
174
  }
175
176
  # Find the tens column.
177
  unit_10 = .subset( tens, n )
178
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  # Hyphenate the tens and the ones together.
180
  concat( unit_10, concat( "-", unit_1 ) )
181
}
182
183
# -----------------------------------------------------------------------------
184
# Returns a number as a comma-delimited string. This is a work-around
185
# until Renjin fixes https://github.com/bedatadriven/renjin/issues/338
186
# -----------------------------------------------------------------------------
187
commas <- function( n ) {
188
  n <- x( n )
189
190
  s <- sprintf( "%03.0f", n %% 1000 )
191
  n <- n %/% 1000
192
193
  while( n > 0 ) {
194
    s <- concat( sprintf( "%03.0f", n %% 1000 ), ',', s )
195
    n <- n %/% 1000
196
  }
197
198
  gsub( '^0*', '', s )
199
}
200
201
# -----------------------------------------------------------------------------
202
# Returns a human-readable string that provides the elapsed time between
203
# two numbers in terms of years, months, and days. If any unit value is zero,
204
# the unit is not included. The words (year, month, day) are pluralized
205
# according to English grammar. The numbers are written out according to
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# Chicago Manual of Style. This applies the serial comma.
207
#
208
# Both numbers are offsets relative to the anchor date.
209
#
210
# If all unit values are zero, this returns s ("same day" by default).
211
#
212
# If the start date (began) is greater than end date (ended), the dates are
213
# swapped before calculations are performed. This allows any two dates
214
# to be compared and positive unit values are always returned.
215
# -----------------------------------------------------------------------------
216
elapsed <- function( began, ended, s = "same day" ) {
217
  began = when( anchor, began )
218
  ended = when( anchor, ended )
219
220
  # Swap the dates if the end date comes before the start date.
221
  if( as.integer( ended - began ) < 0 ) {
222
    tempd = began
223
    began = ended
224
    ended = tempd
225
  }
226
227
  # Calculate number of elapsed years.
228
  years = length( seq( from = began, to = ended, by = 'year' ) ) - 1
229
230
  # Move the start date up by the number of elapsed years.
231
  if( years > 0 ) {
232
    began = seq( began, length = 2, by = concat( years, " years" ) )[2]
233
    years = pl.numeric( "year", years )
234
  }
235
  else {
236
    # Zero years.
237
    years = ""
238
  }
239
240
  # Calculate number of elapsed months, excluding years.
241
  months = length( seq( from = began, to = ended, by = 'month' ) ) - 1
242
243
  # Move the start date up by the number of elapsed months
244
  if( months > 0 ) {
245
    began = seq( began, length = 2, by = concat( months, " months" ) )[2]
246
    months = pl.numeric( "month", months )
247
  }
248
  else {
249
    # Zero months
250
    months = ""
251
  }
252
253
  # Calculate number of elapsed days, excluding months and years.
254
  days = length( seq( from = began, to = ended, by = 'day' ) ) - 1
255
256
  if( days > 0 ) {
257
    days = pl.numeric( "day", days )
258
  }
259
  else {
260
    # Zero days
261
    days = ""
262
  }
263
264
  if( years <= 0 && months <= 0 && days <= 0 ) {
265
    return( s )
266
  }
267
268
  # Put them all in a vector, then remove the empty values.
269
  s <- c( years, months, days )
270
  s <- s[ s != "" ]
271
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  r <- paste( s, collapse = ", " )
273
274
  # If all three items are present, replace the last comma with ", and".
275
  if( length( s ) > 2 ) {
276
    return( gsub( "(.*),", "\\1, and", r ) )
277
  }
278
279
  # Does nothing if no commas are present.
280
  gsub( "(.*),", "\\1 and", r )
281
}
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283
# -----------------------------------------------------------------------------
284
# Returns the number (n) in English followed by the plural or singular
285
# form of the given string (s; resumably a noun), if applicable, according
286
# to English grammar. That is, pl.numeric( "wolf", 5 ) will return
287
# "five wolves".
288
# -----------------------------------------------------------------------------
289
pl.numeric <- function( s, n ) {
290
  concat( cms( n ), concat( " ", pluralize( s, n ) ) )
291
}
292
293
# -----------------------------------------------------------------------------
294
# Pluralize s if n is not equal to 1.
295
# -----------------------------------------------------------------------------
296
pl <- function( s, n=2 ) {
297
  pluralize( s, x( n ) )
298
}
299
300
# -----------------------------------------------------------------------------
301
# Name of the season, starting with an capital letter.
302
# -----------------------------------------------------------------------------
303
season <- function( n, format = "%Y-%m-%d" ) {
304
  WS <- as.Date("2016-12-15", "%Y-%m-%d") # Winter Solstice
305
  SE <- as.Date("2016-03-15", "%Y-%m-%d") # Spring Equinox
306
  SS <- as.Date("2016-06-15", "%Y-%m-%d") # Summer Solstice
307
  AE <- as.Date("2016-09-15", "%Y-%m-%d") # Autumn Equinox
308
309
  d <- when( anchor, n )
310
  d <- as.Date( strftime( d, format="2016-%m-%d" ) )
311
312
  ifelse( d >= WS | d < SE, "Winter",
313
    ifelse( d >= SE & d < SS, "Spring",
314
      ifelse( d >= SS & d < AE, "Summer", "Autumn" )
315
    )
316
  )
317
}
318
319
# -----------------------------------------------------------------------------
320
# Converts the first letter in a string to lowercase
321
# -----------------------------------------------------------------------------
322
lc <- function( s ) {
323
  concat( tolower( substr( s, 1, 1 ) ), substr( s, 2, nchar( s ) ) )
324
}
325
326
# -----------------------------------------------------------------------------
327
# Converts the entire string to lowercase
328
# -----------------------------------------------------------------------------
329
lower <- tolower
330
331
# -----------------------------------------------------------------------------
332
# Converts the first letter in a string to uppercase
333
# -----------------------------------------------------------------------------
334
uc <- function( s ) {
335
  concat( toupper( substr( s, 1, 1 ) ), substr( s, 2, nchar( s ) ) )
336
}
337
338
# -----------------------------------------------------------------------------
339
# Returns the number of days between the given dates.
340
# -----------------------------------------------------------------------------
341
days <- function( d1, d2, format = "%Y-%m-%d" ) {
342
  dates = c( d1, d2 )
343
  dt = strptime( dates, format = format )
344
  as.integer( difftime( dates[2], dates[1], units = "days" ) )
345
}
346
347
# -----------------------------------------------------------------------------
348
# Returns the number of years elapsed.
349
# -----------------------------------------------------------------------------
350
years <- function( began, ended ) {
351
  began = when( anchor, began )
352
  ended = when( anchor, ended )
353
354
  # Swap the dates if the end date comes before the start date.
355
  if( as.integer( ended - began ) < 0 ) {
356
    tempd = began
357
    began = ended
358
    ended = tempd
359
  }
360
361
  # Calculate number of elapsed years.
362
  length( seq( from = began, to = ended, by = 'year' ) ) - 1
363
}
364
365
# -----------------------------------------------------------------------------
366
# Full name of the month, starting with a capital letter.
367
# -----------------------------------------------------------------------------
368
month <- function( n ) {
369
  # Faster than month.name[ x( n ) ]
370
  .subset( month.name, x( n ) )
371
}
372
373
# -----------------------------------------------------------------------------
374
# -----------------------------------------------------------------------------
375
money <- function( n ) {
376
  commas( x( n ) )
377
}
378
379
# -----------------------------------------------------------------------------
380
# -----------------------------------------------------------------------------
381
timeline <- function( n ) {
382
  concat( weekday( n ), ", ", annal( n ), " (", season( n ), ")" )
383
}
384
385
# -----------------------------------------------------------------------------
386
# Rounds to the nearest base value (e.g., round to nearest 10).
387
#
388
# @param base The nearest value to round to.
389
# -----------------------------------------------------------------------------
390
round.up <- function( n, base = 5 ) {
391
  base * round( x( n ) / base )
392
}
393
394
# -----------------------------------------------------------------------------
395
# Computes linear distance between two points using Haversine formula.
396
# Although Earth is an oblate spheroid, this will produce results close
397
# enough for most purposes.
398
#
399
# @param lat1/lon1 The source latitude and longitude.
400
# @param lat2/lon2 The destination latitude and longitude.
401
# @param radius The radius of the sphere.
402
#
403
# @return The distance between the two coordinates in meters.
404
# -----------------------------------------------------------------------------
405
haversine <- function( lat1, lon1, lat2, lon2, radius = 6371 ) {
406
  # Convert decimal degrees to radians
407
  lon1 = lon1 * pi / 180
408
  lon2 = lon2 * pi / 180
409
  lat1 = lat1 * pi / 180
410
  lat2 = lat2 * pi / 180
411
412
  # Haversine formula
413
  dlon = lon2 - lon1
414
  dlat = lat2 - lat1
415
  a = sin( dlat / 2 ) ** 2 + cos( lat1 ) * cos( lat2 ) * sin( dlon / 2 ) ** 2
416
  c = 2 * atan2( sqrt( a ), sqrt( 1-a ) )
417
418
  return( radius * c * 1000 )
419
}
420
1421
A R/csv.R
1
# -----------------------------------------------------------------------------
2
# Copyright 2020, White Magic Software, Ltd.
3
# 
4
# Permission is hereby granted, free of charge, to any person obtaining
5
# a copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
# 
12
# The above copyright notice and this permission notice shall be
13
# included in all copies or substantial portions of the Software.
14
# 
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# Converts CSV to Markdown.
26
#
27
# Reads a CSV file and converts the contents to a Markdown table. The
28
# file must be in the working directory as specified by setwd.
29
#
30
# @param f The filename to convert.
31
# @param decimals Rounded decimal places (default 1).
32
# @param totals Include total sums (default TRUE).
33
# @param align Right-align numbers (default TRUE).
34
# -----------------------------------------------------------------------------
35
csv2md <- function( f, decimals = 2, totals = T, align = T ) {
36
  # Read the CVS data from the file; ensure strings become characters.
37
  df <- read.table( f, sep=',', header=T, stringsAsFactors=F )
38
39
  if( totals ) {
40
    # Determine what columns can be summed.
41
    number <- which( unlist( lapply( df, is.numeric ) ) )
42
43
    # Use colSums when more than one summable column exists.
44
    if( length( number ) > 1 ) {
45
      f.sum <- colSums
46
    }
47
    else {
48
      f.sum <- sum
49
    }
50
51
    # Calculate the sum of all the summable columns and insert the
52
    # results back into the data frame.
53
    df[ (nrow( df ) + 1), number ] <- f.sum( df[, number], na.rm=TRUE )
54
55
    # pluralise would be heavyweight here.
56
    if( length( number ) > 1 ) {
57
      t <- "**Totals**"
58
    }
59
    else {
60
      t <- "**Total**"
61
    }
62
63
    # Change the first column of the last line to "Total(s)".
64
    df[ nrow( df ), 1 ] <- t
65
66
    # Don't clutter the output with "NA" text.
67
    df[ is.na( df ) ] <- ""
68
  }
69
70
  if( align ) {
71
    is.char <- vapply( df, is.character, logical( 1 ) )
72
    dashes <- paste( ifelse( is.char, ':---', '---:' ), collapse='|' )
73
  }
74
  else {
75
    dashes <- paste( rep( '---', length( df ) ), collapse = '|' )
76
  }
77
78
  # Create a Markdown version of the data frame.
79
  paste(
80
    paste( names( df ), collapse = '|'), '\n',
81
    dashes, '\n', 
82
    paste(
83
      Reduce( function( x, y ) {
84
          paste( x, format( y, digits = decimals ), sep = '|' )
85
        }, df
86
      ),
87
      collapse = '|\n', sep=''
88
    )
89
  )
90
}
91
192
A R/pluralize.R
1
# -----------------------------------------------------------------------------
2
# Copyright 2020, White Magic Software, Ltd.
3
# 
4
# Permission is hereby granted, free of charge, to any person obtaining
5
# a copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
# 
12
# The above copyright notice and this permission notice shall be
13
# included in all copies or substantial portions of the Software.
14
# 
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# See Damian Conway's "An Algorithmic Approach to English Pluralization":
26
#   http://goo.gl/oRL4MP
27
# See Oliver Glerke's Evo Inflector: https://github.com/atteo/evo-inflector/
28
# See Shevek's Pluralizer: https://github.com/shevek/linguistics/
29
# See also: http://www.freevectors.net/assets/files/plural.txt
30
# -----------------------------------------------------------------------------
31
pluralize <- function( s, n ) {
32
  result <- s
33
34
  # Partial implementation of Conway's algorithm for nouns.
35
  if( n != 1 ) {
36
    if( pl.noninflective( s ) ||
37
        pl.suffix( "es", s ) ||
38
        pl.suffix( "fish", s ) ||
39
        pl.suffix( "ois", s ) ||
40
        pl.suffix( "sheep", s ) ||
41
        pl.suffix( "deer", s ) ||
42
        pl.suffix( "pox", s ) ||
43
        pl.suffix( "[A-Z].*ese", s ) ||
44
        pl.suffix( "itis", s ) ) {
45
      # 1. Retain non-inflective user-mapped noun as is.
46
      # 2. Retain non-inflective plural as is.
47
      result <- s
48
    }
49
    else if( pl.is.irregular.pl( s ) ) {
50
      # 4. Change irregular plurals based on mapping.
51
      result <- pl.irregular.pl( s )
52
    }
53
    else if( pl.is.irregular.es( s ) ) {
54
      # x. From Shevek's
55
      result <- pl.inflect( s, "", "es" )
56
    }
57
    else if( pl.suffix( "man", s ) ) {
58
      # 5. For -man, change -an to -en
59
      result <- pl.inflect( s, "an", "en" )
60
    }
61
    else if( pl.suffix( "[lm]ouse", s ) ) {
62
      # 5. For [lm]ouse, change -ouse to -ice
63
      result <- pl.inflect( s, "ouse", "ice" )
64
    }
65
    else if( pl.suffix( "tooth", s ) ) {
66
      # 5. For -tooth, change -ooth to -eeth
67
      result <- pl.inflect( s, "ooth", "eeth" )
68
    }
69
    else if( pl.suffix( "goose", s ) ) {
70
      # 5. For -goose, change -oose to -eese
71
      result <- pl.inflect( s, "oose", "eese" )
72
    }
73
    else if( pl.suffix( "foot", s ) ) {
74
      # 5. For -foot, change -oot to -eet
75
      result <- pl.inflect( s, "oot", "eet" )
76
    }
77
    else if( pl.suffix( "zoon", s ) ) {
78
      # 5. For -zoon, change -on to -a
79
      result <- pl.inflect( s, "on", "a" )
80
    }
81
    else if( pl.suffix( "[csx]is", s ) ) {
82
      # 5. Change -cis, -sis, -xis to -es
83
      result <- pl.inflect( s, "is", "es" )
84
    }
85
    else if( pl.suffix( "([cs]h|ss|zz|x|s)", s ) ) {
86
      # 8. Change -ch, -sh, -ss, -zz, -x, -s to -es
87
      result <- pl.inflect( s, "", "es" )
88
    }
89
    else if( pl.suffix( "([aeo]lf|[^d]eaf|arf)", s ) ) {
90
      # 9. Change -f to -ves
91
      result <- pl.inflect( s, "f", "ves" )
92
    }
93
    else if( pl.suffix( "[nlw]ife", s ) ) {
94
      # 10. Change -fe to -ves
95
      result <- pl.inflect( s, "fe", "ves" )
96
    }
97
    else if( pl.suffix( "[aeiou]y", s ) ) {
98
      # 11. Change -[aeiou]y to -ys
99
      result <- pl.inflect( s, "", "s" )
100
    }
101
    else if( pl.suffix( "y", s ) ) {
102
      # 12. Change -y to -ies
103
      result <- pl.inflect( s, "y", "ies" )
104
    }
105
    else if( pl.suffix( "z", s ) ) {
106
      # x. Change -z to -zzes
107
      result <- pl.inflect( s, "", "zes" )
108
    }
109
    else {
110
      # 13. Default plural: add -s
111
      result <- pl.inflect( s, "", "s" )
112
    }
113
  }
114
115
  result
116
}
117
118
# -----------------------------------------------------------------------------
119
# Returns the given string (s) with its suffix replaced by r.
120
# -----------------------------------------------------------------------------
121
pl.inflect <- function( s, suffix, r ) {
122
  gsub( paste( suffix, "$", sep="" ), r, s )
123
}
124
125
# -----------------------------------------------------------------------------
126
# Answers whether the given string (s) has the given ending.
127
# -----------------------------------------------------------------------------
128
pl.suffix <- function( ending, s ) {
129
  grepl( paste( ending, "$", sep="" ), s )
130
}
131
132
# -----------------------------------------------------------------------------
133
# Answers whether the given string (s) is a noninflective noun.
134
# -----------------------------------------------------------------------------
135
pl.noninflective <- function( s ) {
136
  v <- c(
137
    "aircraft",
138
    "Bhutanese",
139
    "bison",
140
    "bream",
141
    "Burmese",
142
    "carp",
143
    "chassis",
144
    "Chinese",
145
    "clippers",
146
    "cod",
147
    "contretemps",
148
    "corps",
149
    "debris",
150
    "djinn",
151
    "eland",
152
    "elk",
153
    "flounder",
154
    "fracas",
155
    "gallows",
156
    "graffiti",
157
    "headquarters",
158
    "high-jinks",
159
    "homework",
160
    "hovercraft",
161
    "innings",
162
    "Japanese",
163
    "Lebanese",
164
    "mackerel",
165
    "means",
166
    "mews",
167
    "mice",
168
    "mumps",
169
    "news",
170
    "pincers",
171
    "pliers",
172
    "Portuguese",
173
    "proceedings",
174
    "salmon",
175
    "scissors",
176
    "sea-bass",
177
    "Senegalese",
178
    "shears",
179
    "Siamese",
180
    "Sinhalese",
181
    "spacecraft",
182
    "swine",
183
    "trout",
184
    "tuna",
185
    "Vietnamese",
186
    "watercraft",
187
    "whiting",
188
    "wildebeest"
189
  )
190
191
  is.element( s, v )
192
}
193
194
# -----------------------------------------------------------------------------
195
# Answers whether the given string (s) is an irregular plural.
196
# -----------------------------------------------------------------------------
197
pl.is.irregular.pl <- function( s ) {
198
  # Could be refactored with pl.irregular.pl...
199
  v <- c(
200
    "beef", "brother", "child", "cow", "ephemeris", "genie", "money",
201
    "mongoose", "mythos", "octopus", "ox", "soliloquy", "trilby"
202
  )
203
204
  is.element( s, v )
205
}
206
207
# -----------------------------------------------------------------------------
208
# Call to pluralize an irregular noun. Only call after confirming
209
# the noun is irregular via pl.is.irregular.pl.
210
# -----------------------------------------------------------------------------
211
pl.irregular.pl <- function( s ) {
212
  v <- list(
213
    "beef" = "beefs",
214
    "brother" = "brothers",
215
    "child" = "children",
216
    "cow" = "cows",
217
    "ephemeris" = "ephemerides",
218
    "genie" = "genies",
219
    "money" = "moneys",
220
    "mongoose" = "mongooses",
221
    "mythos" = "mythoi",
222
    "octopus" = "octopuses",
223
    "ox" = "oxen",
224
    "soliloquy" = "soliloquies",
225
    "trilby" = "trilbys"
226
  )
227
228
  # Faster version of v[[ s ]]
229
  .subset2( v, s )
230
}
231
232
# -----------------------------------------------------------------------------
233
# Answers whether the given string (s) pluralizes with -es.
234
# -----------------------------------------------------------------------------
235
pl.is.irregular.es <- function( s ) {
236
  v <- c(
237
    "acropolis", "aegis", "alias", "asbestos", "bathos", "bias", "bronchitis",
238
    "bursitis", "caddis", "cannabis", "canvas", "chaos", "cosmos", "dais",
239
    "digitalis", "epidermis", "ethos", "eyas", "gas", "glottis", "hubris",
240
    "ibis", "lens", "mantis", "marquis", "metropolis", "pathos", "pelvis",
241
    "polis", "rhinoceros", "sassafrass", "trellis"
242
  )
243
244
  is.element( s, v )
245
}
246
1247
A R/possessive.R
1
# -----------------------------------------------------------------------------
2
# Copyright 2020, White Magic Software, Ltd.
3
# 
4
# Permission is hereby granted, free of charge, to any person obtaining
5
# a copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
# 
12
# The above copyright notice and this permission notice shall be
13
# included in all copies or substantial portions of the Software.
14
# 
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# Returns leftmost n characters of s.
26
# -----------------------------------------------------------------------------
27
lstr <- function( s, n = 1 ) {
28
  substr( s, 0, n )
29
}
30
31
# -----------------------------------------------------------------------------
32
# Returns rightmost n characters of s.
33
# -----------------------------------------------------------------------------
34
rstr <- function( s, n = 1 ) {
35
  l <- nchar( s )
36
  substr( s, l - n + 1, l )
37
}
38
39
# -----------------------------------------------------------------------------
40
# Returns the possessive form of the given word, s.
41
# -----------------------------------------------------------------------------
42
pos <- function( s ) {
43
  lcs <- tolower( s )
44
  pronouns <- c( 'your', 'our', 'her', 'it', 'their' )
45
46
  if( lcs == 'my' ) {
47
    # Change "[Mm]y" to "[Mm]ine".
48
    s <- paste0( lstr( s, 1 ), "ine" )
49
  }
50
  else if( lcs %in% pronouns ) {
51
    # Append an s to most pronouns.
52
    s <- paste0( s, 's' )
53
  }
54
  else if( lcs != 'his' ) {
55
    # Possessive for all other words except 'his'.
56
    s <- paste0( s, ifelse( rstr( s, 1 ) == 's', "'" ,"'s" ) )
57
  }
58
59
  s
60
}
61
162
A README.md
1
![Total Downloads](https://img.shields.io/github/downloads/DaveJarvis/keenwrite/total?color=blue&label=Total%20Downloads&style=flat) ![Release Downloads](https://img.shields.io/github/downloads/DaveJarvis/keenwrite/latest/total?color=purple&label=Release%20Downloads&style=flat) ![Release Date](https://img.shields.io/github/release-date/DaveJarvis/keenwrite?color=red&style=flat&label=Release%20Date) ![Release Version](https://img.shields.io/github/v/release/DaveJarvis/keenwrite?style=flat&label=Release)
2
3
# ![Logo](docs/images/app-title.png)
4
5
A text editor that uses [interpolated strings](https://en.wikipedia.org/wiki/String_interpolation) to reference externally defined values.
6
7
## Download
8
9
Download one of the following editions:
10
11
* [Windows](https://gitreleases.dev/gh/DaveJarvis/keenwrite/latest/keenwrite.exe)
12
* [Linux](https://gitreleases.dev/gh/DaveJarvis/keenwrite/latest/keenwrite.bin)
13
* [Java Archive](https://gitreleases.dev/gh/DaveJarvis/keenwrite/latest/keenwrite.jar)
14
15
## Run
16
17
Note that the first time the application runs, it will unpack itself into a local directory. Subsequent starts will be faster.
18
19
### Windows
20
21
When upgrading to a new version, delete the following directory:
22
23
    C:\Users\%USERNAME%\AppData\Local\warp\packages\keenwrite.exe
24
25
Double-click the application to start; give the application permission to run.
26
27
### Linux
28
29
Execute the following commands in a terminal:
30
31
``` bash
32
chmod +x keenwrite.bin
33
./keenwrite.bin
34
```
35
36
### Other
37
38
Download and install a full version of [OpenJDK 15](https://bell-sw.com/pages/downloads/?version=java-15#mn) that includes JavaFX module support, then run:
39
40
``` bash
41
java -jar keenwrite.jar
42
```
43
44
## Features
45
46
The application offers:
47
48
* User-defined interpolated strings
49
* Auto-complete variable names based on variable values
50
* Real-time spell check
51
* Real-time rendering of math using TeX notation
52
* Real-time document statistics (with CJK word separation)
53
* Diagrams: Mermaid, GraphViz, UML, sequence, timing, and more
54
* Dark, custom, and responsive themes
55
* Interactive document outline
56
* Internationalized font support (e.g., Chinese, Japanese, Korean, etc.)
57
* R integration
58
* XML transformation using XSLT3 or older
59
* Customizable user interface having detachable tabs
60
* Platform-independent (Windows, Linux, MacOS)
61
62
## Usage
63
64
Read the [detailed documentation](docs/README.md) for using the application.
65
66
### Themes
67
68
Read the [themes documentation](docs/themes.md) to learn about themes.
69
70
## Screenshots
71
72
Diagrams that include variables:
73
74
![GraphViz diagram screenshot](docs/images/screenshots/01.png)
75
76
![Family tree diagram screenshot](docs/images/screenshots/05.png)
77
78
Poem with locale settings:
79
80
![Korean poem screenshot](docs/images/screenshots/02.png)
81
82
TeX equations with detached preview:
83
84
![TeX equations screenshot](docs/images/screenshots/03.png)
85
86
Document outline opened and docked in bottom-left corner:
87
88
![Document outline](docs/images/screenshots/04.png)
89
90
## License
91
92
This software is licensed under the [BSD 2-Clause License](LICENSE.md) and
93
based on [Markdown-Writer-FX](licenses/MARKDOWN-WRITER-FX.md).
94
195
A README.zh-CN.md
1
# ![Logo](docs/images/app-title.zh-CN.png)
2
3
智能写入是一个文本编辑器,它使用插值字符串引用外部定义的值。
4
5
## 下载
6
7
下载以下版本之一:
8
9
* [Windows](https://gitreleases.dev/gh/DaveJarvis/keenwrite/latest/keenwrite.exe)
10
* [Linux](https://gitreleases.dev/gh/DaveJarvis/keenwrite/latest/keenwrite.bin)
11
* [Java Archive](https://gitreleases.dev/gh/DaveJarvis/keenwrite/latest/keenwrite.jar)
12
13
## 跑
14
15
在第一次运行期间,应用程序将自身解压到本地目录中。随后的启动会更快。
16
17
### Windows
18
19
双击应用程序以启动。您必须授予应用程序运行权限。 
20
21
升级时,删除以下目录:
22
23
    C:\Users\%USERNAME%\AppData\Local\warp\packages\keenwrite.exe
24
25
### Linux
26
27
执行以下命令:
28
29
``` bash
30
chmod +x keenwrite.bin
31
./keenwrite.bin
32
```
33
34
### Other
35
36
Download and install a full version of [OpenJDK 15](https://bell-sw.com/pages/downloads/?version=java-15#mn) that includes JavaFX module support, then run:
37
38
``` bash
39
java -jar keenwrite.jar
40
```
41
42
## 特征
43
44
* 用户定义的插值字符串
45
* 带变量替换的实时预览
46
* 基于变量值自动完成变量名
47
* 使用XSLT3或更早版本的XML文档转换
48
* 独立于操作系统
49
* 打字时拼写检查
50
* 使用TeX的子集编写数学公式
51
* 嵌入R语句
52
53
## 软件使用
54
55
See the [detailed documentation](docs/README.md) for information about
56
using the application.
57
58
## 截图
59
60
![GraphViz Diagram Screenshot](docs/images/screenshots/01.png)
61
62
![Korean Poem Screenshot](docs/images/screenshots/02.png)
63
64
![TeX Equations Screenshot](docs/images/screenshots/03.png)
65
66
67
## 软件许可证
68
69
This software is licensed under the [BSD 2-Clause License](LICENSE.md) and
70
based on [Markdown-Writer-FX](licenses/MARKDOWN-WRITER-FX.md).
71
172
A build-template
1
#!/usr/bin/env bash
2
3
# -----------------------------------------------------------------------------
4
# Copyright 2020 Dave Jarvis
5
#
6
# Permission is hereby granted, free of charge, to any person obtaining a
7
# copy of this software and associated documentation files (the
8
# "Software"), to deal in the Software without restriction, including
9
# without limitation the rights to use, copy, modify, merge, publish,
10
# distribute, sublicense, and/or sell copies of the Software, and to
11
# permit persons to whom the Software is furnished to do so, subject to
12
# the following conditions:
13
#
14
# The above copyright notice and this permission notice shall be included
15
# in all copies or substantial portions of the Software.
16
#
17
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24
# -----------------------------------------------------------------------------
25
26
set -o errexit
27
set -o nounset
28
29
readonly SCRIPT_SRC="$(dirname "${BASH_SOURCE[${#BASH_SOURCE[@]} - 1]}")"
30
readonly SCRIPT_DIR="$(cd "${SCRIPT_SRC}" >/dev/null 2>&1 && pwd)"
31
readonly SCRIPT_NAME=$(basename "$0")
32
33
# -----------------------------------------------------------------------------
34
# The main entry point is responsible for parsing command-line arguments,
35
# changing to the appropriate directory, and running all commands requested
36
# by the user.
37
#
38
# $@ - Command-line arguments
39
# -----------------------------------------------------------------------------
40
main() {
41
  arguments "$@"
42
43
  $usage       && terminate 3
44
  requirements && terminate 4
45
  traps        && terminate 5
46
47
  directory    && terminate 6
48
  preprocess   && terminate 7
49
  execute      && terminate 8
50
  postprocess  && terminate 9
51
52
  terminate 0
53
}
54
55
# -----------------------------------------------------------------------------
56
# Perform all commands that the script requires.
57
#
58
# @return 0 - Indicate to terminate the script with non-zero exit level
59
# @return 1 - All tasks completed successfully (default)
60
# -----------------------------------------------------------------------------
61
execute() {
62
  return 1
63
}
64
65
# -----------------------------------------------------------------------------
66
# Changes to the script's working directory, provided it exists.
67
#
68
# @return 0 - Change directory failed
69
# @return 1 - Change directory succeeded
70
# -----------------------------------------------------------------------------
71
directory() {
72
  $log "Change directory"
73
  local result=1
74
75
  # Track whether change directory failed.
76
  cd "${SCRIPT_DIR}" > /dev/null 2>&1 || result=0
77
78
  return "${result}"
79
}
80
81
# -----------------------------------------------------------------------------
82
# Perform any initialization required prior to executing tasks.
83
#
84
# @return 0 - Preprocessing failed
85
# @return 1 - Preprocessing succeeded
86
# -----------------------------------------------------------------------------
87
preprocess() {
88
  $log "Preprocess"
89
90
  return 1
91
}
92
93
# -----------------------------------------------------------------------------
94
# Perform any clean up required prior to executing tasks.
95
#
96
# @return 0 - Postprocessing failed
97
# @return 1 - Postprocessing succeeded
98
# -----------------------------------------------------------------------------
99
postprocess() {
100
  $log "Postprocess"
101
102
  return 1
103
}
104
105
# -----------------------------------------------------------------------------
106
# Check that all required commands are available.
107
#
108
# @return 0 - At least one command is missing
109
# @return 1 - All commands are available
110
# -----------------------------------------------------------------------------
111
requirements() {
112
  $log "Verify requirements"
113
  local -r expected_count=${#DEPENDENCIES[@]}
114
  local total_count=0
115
116
  # Verify that each command exists.
117
  for dependency in "${DEPENDENCIES[@]}"; do
118
    # Extract the command name [0] and URL [1].
119
    IFS=',' read -ra dependent <<< "${dependency}"
120
121
    required "${dependent[0]}" "${dependent[1]}"
122
    total_count=$(( total_count + $? ))
123
  done
124
125
  unset IFS
126
127
  # Total dependencies found must match the expected number.
128
  # Integer-only division rounds down.
129
  return $(( total_count / expected_count ))
130
}
131
132
# -----------------------------------------------------------------------------
133
# Called before terminating the script.
134
# -----------------------------------------------------------------------------
135
cleanup() {
136
  $log "Cleanup"
137
}
138
139
# -----------------------------------------------------------------------------
140
# Terminates the program immediately.
141
# -----------------------------------------------------------------------------
142
trap_control_c() {
143
  $log "Interrupted"
144
  cleanup
145
  error "⯃"
146
  terminate 1
147
}
148
149
# -----------------------------------------------------------------------------
150
# Configure signal traps.
151
#
152
# @return 1 - Signal traps are set.
153
# -----------------------------------------------------------------------------
154
traps() {
155
  # Suppress echoing ^C if pressed.
156
  stty -echoctl
157
  trap trap_control_c INT
158
159
  return 1
160
}
161
162
# -----------------------------------------------------------------------------
163
# Check for a required command.
164
#
165
# $1 - Command or file to check for existence
166
# $2 - Command's website (e.g., download for binaries and source code)
167
#
168
# @return 0 - Command is missing
169
# @return 1 - Command exists
170
# -----------------------------------------------------------------------------
171
required() {
172
  local result=0
173
174
  test -f "$1" || \
175
  command -v "$1" > /dev/null 2>&1 && result=1 || \
176
    warning "Missing: $1 ($2)"
177
178
  return ${result}
179
}
180
181
# -----------------------------------------------------------------------------
182
# Show acceptable command-line arguments.
183
#
184
# @return 0 - Indicate script may not continue
185
# -----------------------------------------------------------------------------
186
utile_usage() {
187
  printf "Usage: %s [OPTIONS...]\n\n" "${SCRIPT_NAME}" >&2
188
189
  # Number of spaces to pad after the longest long argument.
190
  local -r PADDING=2
191
192
  # Determine the longest long argument to adjust spacing.
193
  local -r LEN=$(printf '%s\n' "${ARGUMENTS[@]}" | \
194
    awk -F"," '{print length($2)+'${PADDING}'}' | sort -n | tail -1)
195
196
  local duplicates
197
198
  for argument in "${ARGUMENTS[@]}"; do
199
    # Extract the short [0] and long [1] arguments and description [2].
200
    arg=("$(echo ${argument} | cut -d ',' -f1)" \
201
         "$(echo ${argument} | cut -d ',' -f2)" \
202
         "$(echo ${argument} | cut -d ',' -f3-)")
203
204
    duplicates+=("${arg[0]}")
205
206
    printf "  -%s, --%-${LEN}s%s\n" "${arg[0]}" "${arg[1]}" "${arg[2]}" >&2
207
  done
208
209
  # Sort the arguments to make sure no duplicates exist.
210
  duplicates=$(echo "${duplicates[@]}" | tr ' ' '\n' | sort | uniq -c -d)
211
212
  # Warn the developer that there's a duplicate command-line option.
213
  if [ -n "${duplicates}" ]; then
214
    # Trim all the whitespaces
215
    duplicates=$(echo "${duplicates}" | xargs echo -n)
216
    error "Duplicate command-line argument exists: ${duplicates}"
217
  fi
218
219
  return 0
220
}
221
222
# -----------------------------------------------------------------------------
223
# Write coloured text to standard output.
224
#
225
# $1 - Text to write
226
# $2 - Text's colour
227
# -----------------------------------------------------------------------------
228
coloured_text() {
229
  printf "%b%s%b\n" "$2" "$1" "${COLOUR_OFF}"
230
}
231
232
# -----------------------------------------------------------------------------
233
# Write a warning message to standard output.
234
#
235
# $1 - Text to write
236
# -----------------------------------------------------------------------------
237
warning() {
238
  coloured_text "$1" "${COLOUR_WARNING}"
239
}
240
241
# -----------------------------------------------------------------------------
242
# Write an error message to standard output.
243
#
244
# $1 - Text to write
245
# -----------------------------------------------------------------------------
246
error() {
247
  coloured_text "$1" "${COLOUR_ERROR}"
248
}
249
250
# -----------------------------------------------------------------------------
251
# Write a timestamp and message to standard output.
252
#
253
# $1 - Text to write
254
# -----------------------------------------------------------------------------
255
utile_log() {
256
  printf "[%s] " "$(date +%H:%M:%S.%4N)"
257
  coloured_text "$1" "${COLOUR_LOGGING}"
258
}
259
260
# -----------------------------------------------------------------------------
261
# Perform no operations.
262
#
263
# return 1 - Success
264
# -----------------------------------------------------------------------------
265
noop() {
266
  return 1
267
}
268
269
# -----------------------------------------------------------------------------
270
# Exit the program with a given exit code.
271
#
272
# $1 - Exit code
273
# -----------------------------------------------------------------------------
274
terminate() {
275
  exit "$1"
276
}
277
278
# -----------------------------------------------------------------------------
279
# Set global variables from command-line arguments.
280
# -----------------------------------------------------------------------------
281
arguments() {
282
  while [ "$#" -gt "0" ]; do
283
    local consume=1
284
285
    case "$1" in
286
      -V|--verbose)
287
        log=utile_log
288
      ;;
289
      -h|-\?|--help)
290
        usage=utile_usage
291
      ;;
292
      *)
293
        set +e
294
        argument "$@"
295
        consume=$?
296
        set -e
297
      ;;
298
    esac
299
300
    shift ${consume}
301
  done
302
}
303
304
# -----------------------------------------------------------------------------
305
# Parses a single command-line argument. This must return a value greater
306
# than or equal to 1, otherwise parsing the command-line arguments will
307
# loop indefinitely.
308
#
309
# @return The number of arguments to consume (1 by default).
310
# -----------------------------------------------------------------------------
311
argument() {
312
  return 1
313
}
314
315
# ANSI colour escape sequences.
316
readonly COLOUR_BLUE='\033[1;34m'
317
readonly COLOUR_PINK='\033[1;35m'
318
readonly COLOUR_DKGRAY='\033[30m'
319
readonly COLOUR_DKRED='\033[31m'
320
readonly COLOUR_LTRED='\033[1;31m'
321
readonly COLOUR_YELLOW='\033[1;33m'
322
readonly COLOUR_OFF='\033[0m'
323
324
# Colour definitions used by script.
325
COLOUR_LOGGING=${COLOUR_BLUE}
326
COLOUR_WARNING=${COLOUR_YELLOW}
327
COLOUR_ERROR=${COLOUR_LTRED}
328
329
# Define required commands to check when script starts.
330
DEPENDENCIES=(
331
  "awk,https://www.gnu.org/software/gawk/manual/gawk.html"
332
  "cut,https://www.gnu.org/software/coreutils"
333
)
334
335
# Define help for command-line arguments.
336
ARGUMENTS=(
337
  "V,verbose,Log messages while processing"
338
  "h,help,Show this help message then exit"
339
)
340
341
# These functions may be set to utile delegates while parsing arguments.
342
usage=noop
343
log=noop
344
1345
A build.gradle
1
plugins {
2
  id 'application'
3
  id 'org.openjfx.javafxplugin' version '0.0.9'
4
  id 'com.palantir.git-version' version '0.12.3'
5
}
6
7
repositories {
8
  mavenCentral()
9
  jcenter()
10
11
  maven {
12
    url 'https://oss.sonatype.org/content/repositories/snapshots/'
13
  }
14
15
  maven {
16
    url "https://nexus.bedatadriven.com/content/groups/public"
17
  }
18
}
19
20
// Assume a cross-platform überjar unless targetOs is set.
21
String[] os = ["win", "mac", "linux"]
22
23
if (project.hasProperty('targetOs')) {
24
  if ("windows" == targetOs) {
25
    os = ["win"]
26
  } else {
27
    os = [targetOs]
28
  }
29
}
30
31
javafx {
32
  version = "15"
33
  modules = ['javafx.controls', 'javafx.swing']
34
  configuration = 'compileOnly'
35
}
36
37
dependencies {
38
  def v_junit = '5.5.2'
39
  def v_flexmark = '0.62.2'
40
  def v_jackson = '2.12.1'
41
  def v_batik = '1.14'
42
43
  // JavaFX
44
  implementation 'org.controlsfx:controlsfx:11.0.3'
45
  implementation 'org.fxmisc.richtext:richtextfx:0.10.5'
46
  implementation 'org.fxmisc.wellbehaved:wellbehavedfx:0.3.3'
47
  implementation 'com.miglayout:miglayout-javafx:5.2'
48
  implementation('com.dlsc.preferencesfx:preferencesfx-core:11.7.0') {
49
    exclude group: 'org.openjfx'
50
  }
51
  implementation('de.jensd:fontawesomefx-commons:11.0') {
52
    exclude group: 'org.openjfx'
53
  }
54
  implementation('de.jensd:fontawesomefx-fontawesome:4.7.0-11') {
55
    exclude group: 'org.openjfx'
56
  }
57
58
  // Markdown
59
  implementation "com.vladsch.flexmark:flexmark:${v_flexmark}"
60
  implementation "com.vladsch.flexmark:flexmark-ext-definition:${v_flexmark}"
61
  implementation "com.vladsch.flexmark:flexmark-ext-gfm-strikethrough:${v_flexmark}"
62
  implementation "com.vladsch.flexmark:flexmark-ext-superscript:${v_flexmark}"
63
  implementation "com.vladsch.flexmark:flexmark-ext-tables:${v_flexmark}"
64
  implementation "com.vladsch.flexmark:flexmark-ext-typographic:${v_flexmark}"
65
66
  // YAML
67
  implementation "com.fasterxml.jackson.core:jackson-core:${v_jackson}"
68
  implementation "com.fasterxml.jackson.core:jackson-databind:${v_jackson}"
69
  implementation "com.fasterxml.jackson.core:jackson-annotations:${v_jackson}"
70
  implementation "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:${v_jackson}"
71
  implementation 'org.yaml:snakeyaml:1.27'
72
73
  // XML and XSL
74
  implementation 'com.ximpleware:vtd-xml:2.13.4'
75
  implementation 'net.sf.saxon:Saxon-HE:10.3'
76
  //implementation 'xalan:xalan:2.7.2'
77
78
  // HTML parsing and rendering
79
  implementation 'org.jsoup:jsoup:1.13.1'
80
  implementation 'org.xhtmlrenderer:flying-saucer-core:9.1.20'
81
82
  // R
83
  implementation 'org.renjin:renjin-script-engine:3.5-beta76'
84
85
  // SVG
86
  implementation "org.apache.xmlgraphics:batik-anim:${v_batik}"
87
  implementation "org.apache.xmlgraphics:batik-awt-util:${v_batik}"
88
  implementation "org.apache.xmlgraphics:batik-bridge:${v_batik}"
89
  implementation "org.apache.xmlgraphics:batik-css:${v_batik}"
90
  implementation "org.apache.xmlgraphics:batik-dom:${v_batik}"
91
  implementation "org.apache.xmlgraphics:batik-ext:${v_batik}"
92
  implementation "org.apache.xmlgraphics:batik-gvt:${v_batik}"
93
  implementation "org.apache.xmlgraphics:batik-parser:${v_batik}"
94
  implementation "org.apache.xmlgraphics:batik-script:${v_batik}"
95
  implementation "org.apache.xmlgraphics:batik-svg-dom:${v_batik}"
96
  implementation "org.apache.xmlgraphics:batik-svggen:${v_batik}"
97
  implementation "org.apache.xmlgraphics:batik-transcoder:${v_batik}"
98
  implementation "org.apache.xmlgraphics:batik-util:${v_batik}"
99
  implementation "org.apache.xmlgraphics:batik-xml:${v_batik}"
100
101
  // Misc.
102
  implementation 'org.ahocorasick:ahocorasick:0.4.0'
103
  implementation 'org.apache.commons:commons-configuration2:2.7'
104
  implementation 'com.googlecode.juniversalchardet:juniversalchardet:1.0.3'
105
  implementation 'javax.validation:validation-api:2.0.1.Final'
106
  implementation 'org.greenrobot:eventbus:3.2.0'
107
108
  // Configuration
109
  implementation 'org.apache.commons:commons-configuration2:2.7'
110
  implementation 'commons-beanutils:commons-beanutils:1.9.4'
111
112
  // Spelling, TeX, Docking
113
  implementation fileTree(include: ['**/*.jar'], dir: 'libs')
114
115
  def fx = ['controls', 'graphics', 'fxml', 'swing']
116
117
  fx.each { fxitem ->
118
    os.each { ositem ->
119
      println "org.openjfx:javafx-${fxitem}:${javafx.version}:${ositem}"
120
121
      runtimeOnly "org.openjfx:javafx-${fxitem}:${javafx.version}:${ositem}"
122
    }
123
  }
124
125
  testImplementation "org.junit.jupiter:junit-jupiter-engine:${v_junit}"
126
  testImplementation "org.junit.jupiter:junit-jupiter-api:${v_junit}"
127
  testImplementation "org.testfx:testfx-junit5:4.0.16-alpha"
128
}
129
130
compileJava {
131
  options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
132
}
133
134
def resourceDir = sourceSets.main.resources.srcDirs[0]
135
136
def config = new Properties()
137
file("${resourceDir}/bootstrap.properties").withInputStream {
138
  config.load(it)
139
}
140
141
application {
142
  applicationName = config["application.title"].toLowerCase()
143
  mainClassName = "com.${applicationName}.Main"
144
145
  applicationDefaultJvmArgs = [
146
      "--add-opens=javafx.controls/javafx.scene.control=ALL-UNNAMED",
147
      "--add-opens=javafx.controls/javafx.scene.control.skin=ALL-UNNAMED",
148
      "--add-opens=javafx.graphics/com.sun.javafx.css=ALL-UNNAMED",
149
  ]
150
}
151
152
version = gitVersion()
153
154
def launcherClassName = "com.${applicationName}.Launcher"
155
156
def propertiesFile = new File("${resourceDir}/com/${applicationName}/app.properties")
157
propertiesFile.write("application.version=${version}")
158
159
jar {
160
  duplicatesStrategy = DuplicatesStrategy.EXCLUDE
161
162
  manifest {
163
    attributes 'Main-Class': launcherClassName
164
  }
165
166
  from {
167
    (configurations.runtimeClasspath.findAll { !it.path.endsWith(".pom") }).collect {
168
      it.isDirectory() ? it : zipTree(it)
169
    }
170
  }
171
172
  archiveFileName = "${applicationName}.jar"
173
174
  exclude 'META-INF/*.RSA', 'META-INF/*.SF', 'META-INF/*.DSA'
175
}
176
177
distributions {
178
  main {
179
    distributionBaseName = applicationName
180
    contents {
181
      from { ['LICENSE.md', 'README.md'] }
182
      into('images') {
183
        from { 'images' }
184
      }
185
    }
186
  }
187
}
188
189
test {
190
  useJUnitPlatform()
191
192
  testLogging {
193
    exceptionFormat = 'full'
194
  }
195
}
1196
A docs/README.md
1
## Documents
2
3
See the following documents for more information:
4
5
* [i18n.md](i18n.md) -- Using internationalization features
6
* [variables.md](variables.md) -- Variable definitions and interpolation
7
* [r.md](r.md) -- Call R functions within R Markdown documents
8
* [svg.md](svg.md) -- Fix known issues with displaying SVG files
9
* [themes.md](themes.md) -- Describes how to add and customize themes
10
* [credits.md](credits.md) -- Thanks to authors of contributing projects
11
* [samples](samples) -- Contains example documents
12
113
A docs/credits.md
1
# Credits
2
3
* Karl Tauber: [Markdown Writer FX](https://github.com/JFormDesigner/markdown-writer-fx)
4
* Tomas Mikula: [RichTextFX](https://github.com/TomasMikula/RichTextFX), [ReactFX](https://github.com/TomasMikula/ReactFX), [WellBehavedFX](https://github.com/TomasMikula/WellBehavedFX), [Flowless](https://github.com/TomasMikula/Flowless), and [UndoFX](https://github.com/TomasMikula/UndoFX)
5
* Mikael Grev: [MigLayout](http://www.miglayout.com/)
6
* Tom Eugelink: [MigPane](https://github.com/mikaelgrev/miglayout/blob/master/javafx/src/main/java/org/tbee/javafx/scene/layout/fxml/MigPane.java)
7
* Jens Deters: [FontAwesomeFX](https://bitbucket.org/Jerady/fontawesomefx)
8
* Dieter Holz, [PreferencesFX](https://github.com/dlsc-software-consulting-gmbh/PreferencesFX)
9
* David Croft, [File Preferences](http://www.davidc.net/programming/java/java-preferences-using-file-backing-store)
10
* Alex Bertram, [Renjin](https://www.renjin.org/)
11
* Vladimir Schneider: [flexmark](https://github.com/vsch/flexmark-java)
12
* Michael Kay, [XSLT Processor](http://www.saxonica.com/)
13
* Shy Shalom, Kohei Taketa: [juniversalchardet](https://github.com/takscape/juniversalchardet)
14
115
A docs/diagram.md
1
# Introduction
2
3
From a high level, the application architecture for converting Markdown documents is captured in the following figure:
4
5
``` diagram-graphviz
6
digraph {
7
  node [fontname = "Noto Sans" fontsize=6 height=.25 penwidth=.5];
8
  edge [fontname = "Noto Sans" fontsize=6  penwidth=.5 arrowsize=.5];
9
  node [shape=box color="{{keenwrite.palette.primary.light}}" fontcolor="{{keenwrite.palette.primary.dark}}"]
10
  edge [color="{{keenwrite.palette.grayscale.light}}" fontcolor="{{keenwrite.palette.grayscale.dark}}"]
11
12
  {{keenwrite.classes.processors.variable.definition}} ->   {{keenwrite.classes.processors.markdown}} [xlabel="{{keenwrite.graph.label.chain.next}}  "]
13
  {{keenwrite.classes.processors.markdown}} -> {{keenwrite.classes.processors.preview}} [xlabel="{{keenwrite.graph.label.chain.next}}  "]
14
  {{keenwrite.classes.processors.markdown}} -> Extensions [label="  contains"]
15
16
Extensions -> FencedBlockExtension
17
Extensions -> CaretExtension
18
Extensions -> ImageLinkExtension
19
Extensions -> TeXExtension
20
}
21
```
22
23
An extension is an addition to the Markdown parser, flexmark-java, that is used when converting the document's abstract syntax tree into an HTML document. The {{keenwrite.classes.processors.markdown}} contains both prepackaged and custom extensions.
124
A docs/diagram.yaml
1
---
2
keenwrite:
3
  classes:
4
    processors:
5
      markdown: MarkdownProcessor
6
      variable:
7
        definition: DefinitionProcessor
8
      preview: PreviewProcessor
9
  palette:
10
    primary:
11
      light: '#51a9cf'
12
      dark: '#126d95'
13
    secondary:
14
      light: '#ec706a'
15
      dark: '#7e252f'
16
    accent:
17
      light: '#76A786'
18
      dark: '#385742'
19
    grayscale:
20
      light: '#bac2c5'
21
      dark: '#394343'
22
  graph:
23
    label:
24
      chain:
25
        next: successor
126
A docs/i18n.md
1
# Internationalization
2
3
The application supports internationalization (I18N). There are multiple
4
components to editing and previewing internationalized text documents.
5
These include:
6
7
* Fonts
8
* Language
9
10
Both fonts and language must be set for non-Latin-based text.
11
12
# Fonts
13
14
The text editors and preview panel have independent font settings. For
15
all Chinese, Japanese, and Korean (CJK) fonts, you may have to type in
16
the font family name directly.
17
18
For example, CJK font families for the editor have the following names:
19
20
* **Noto Sans CJK KR** --- Korean font
21
* **Noto Sans CJK JP** --- Japanese font
22
* **Noto Sans CJK HN** --- Chinese font
23
* **Noto Sans CJK SC** --- Simplified Chinese font
24
25
While CJK font familes for the preview have the following names:
26
27
* **Noto Serif CJK KR** --- Korean font
28
* **Noto Serif CJK JP** --- Japanese font
29
* **Noto Serif CJK HN** --- Chinese font
30
* **Noto Serif CJK SC** --- Simplified Chinese font
31
32
## Editor
33
34
Complete the following steps to change the editor font:
35
36
1. Click **Edit → Preferences**.
37
1. Click **Fonts**.
38
1. Click **Change** under **Editor Font**.
39
1. Find the font name by typing or scrolling.
40
1. Click the desired font family.
41
1. Click **OK**.
42
1. Click **Apply**.
43
44
The text editor font is changed.
45
46
Note the following:
47
48
* The font must be installed in the system for this to work.
49
* You may have to edit the font name if it cannot be selected from the list.
50
51
## Preview
52
53
The preview font defines has font styles for regular and monospace text.
54
55
### Regular
56
57
Complete the following steps to change the regular preview font:
58
59
1. Click **Edit → Preferences**.
60
1. Click **Fonts**.
61
1. Click **Change** under **Preview Font** for the **Preview pane font name**.
62
1. Find the font name by typing or scrolling.
63
1. Click the desired font family.
64
1. Click **OK**.
65
1. Click **Apply**.
66
67
The regular preview font is changed.
68
69
### Monospace
70
71
Complete the following steps to change the monospace preview font:
72
73
1. Click **Edit → Preferences**.
74
1. Click **Fonts**.
75
1. Click **Change** under **Preview Font** for the **Monospace font name**.
76
1. Find the font name by typing or scrolling.
77
1. Click the desired font family.
78
1. Click **OK**.
79
1. Click **Apply**.
80
81
The regular monospace font is changed.
82
83
# Language
84
85
Language settings control the locale that the application uses. When using
86
a CJK font, for example, the application must also be instructed to use
87
a particular locale. Change the locale as follows:
88
89
1. Click **Edit → Preferences**.
90
1. Click **Language**.
91
1. Select a value for **Locale**.
92
1. Click **Apply**.
93
94
The language is set.
95
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A docs/logo/logo-text.zh-CN.svg
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A docs/logo/palette.txt
11
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A docs/r.md
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# Introduction
2
3
This document describes how to use the [R](https://www.r-project.org/)
4
programming language from within the application. The application uses an
5
interpreter known as [Renjin](https://www.renjin.org/) to integrate with R.
6
7
# Hello world
8
9
Complete the following steps to see R in action:
10
11
1. Start the application.
12
1. Click **File → New** to create a new file.
13
1. Click **File → Save As**.
14
1. Set **Name** to: `addition.Rmd`
15
1. Click **Save**.
16
17
Setting the file name extension tells the application what processor to
18
use when transforming the contents for display in the preview pane. Continue
19
by typing in the following text, including the backticks:
20
21
```r
22
`r#1 + 1`
23
```
24
25
The preview pane shows the result of `1` plus `1`:
26
27
```
28
2.0
29
```
30
31
# Bootstrap script
32
33
Being able to run R code while editing an R Markdown document is convenient.
34
Having the ability to call functions is where the power of R can be
35
leveraged.
36
37
Complete the following steps to call an R function from your own library:
38
39
1. Click **File → New** to create a new file.
40
1. Click **File → Save As**.
41
1. Browse to your home directory.
42
1. Set **Name** to: `library.R`.
43
1. Click **Save**.
44
1. Set the contents to:
45
    ``` r
46
    sum <- function( a, b ) {
47
      a + b
48
    }
49
    ```
50
1. Click the **Save** icon.
51
1. Click **R → Script**.
52
1. Set the **R Startup Script** contents to:
53
    ``` r
54
    source( 'library.R' );
55
    ```
56
1. Click **OK**.
57
1. Create a new file.
58
1. Set the contents to:
59
    ``` r
60
    `r#sum( 5, 5 )`
61
    ```
62
1. Save the file as `sum.R`.
63
64
The preview panel shows the result of calling the `sum` function:
65
66
```
67
10.0
68
```
69
70
This shows how the bootstrap script can load `library.R`, which defines
71
a `sum` function that is called by name in the Markdown document.
72
73
# Working directory
74
75
R files may be sourced from any directory, not just the user's home
76
directory. Accomplish this as follows:
77
78
1. Click **R → Directory**.
79
1. Set **Directory** to a different directory.
80
1. Click **OK**.
81
1. Create the directory if it does not exist.
82
1. Move `library.R` into the directory.
83
1. Append a new function to `library.R` as follows:
84
    ``` r
85
    mul <- function( a, b ) {
86
      a * b
87
    }
88
    ```
89
1. Click **R → Script**.
90
1. Set the **R Startup Script** contents to:
91
    ``` r
92
    setwd( '{{application.r.working.directory}}' );
93
    source( 'library.R' );
94
    ```
95
1. Change `sum.Rmd` to:
96
    ``` r
97
    `r#mul( 5, 5 )`
98
    ```
99
1. Close the file `sum.Rmd`.
100
1. Confirm saving the file when prompted.
101
1. Re-open `sum.Rmd`.
102
103
The preview panel shows:
104
105
```
106
25.0
107
```
108
109
Calling `setwd` using `'{{application.r.working.directory}}'` changes the
110
working directory where the R engine searches for source files.
111
112
# YAML variable definitions
113
114
To see how variable definitions work in R, try the following:
115
116
1. Create a new file.
117
1. Change the contents to (use spaces not tabs):
118
    ``` yaml
119
    project:
120
      title: Project Title
121
      author: Author Name
122
    ```
123
1. Save the file as `definitions.yaml`.
124
1. Click **File → Open**.
125
1. Set **Source Files** to **Variable Files**.
126
1. Select `definitions.yaml`.
127
1. Click **Open**.
128
1. Open `sum.Rmd` if it is not already open.
129
1. Type: `je`
130
1. Press `Ctrl+Space`
131
132
The editor inserts the following text (matches `je` against Pro**je**ct):
133
134
``` r
135
`r#x( v$project$title )`
136
```
137
138
The preview panel shows:
139
140
```
141
r#x( 'Project Title' )
142
```
143
144
This is because the application inserts variable reference names based
145
on the type of file being edited. By default, the R engine does not have
146
a function named `x` defined.
147
148
Continue as follows:
149
150
1. Click **R → Script**.
151
1. Append the following:
152
    ``` r
153
    x <- function( s ) {
154
      tryCatch( {
155
        r = eval( parse( text = s ) )
156
157
        ifelse( is.atomic( r ), r, s );
158
      },
159
      warning = function( w ) { s },
160
      error = function( e ) { s } )
161
    }
162
    ```
163
1. Click **OK**.
164
1. Close and re-open `sum.Rmd`.
165
166
The preview panel shows:
167
168
```
169
25.0
170
171
Project Title
172
```
173
174
The `x` function attempts to evaluate the expression defined by the YAML
175
variable. This means that the YAML variables can also include expressions
176
that R is capable of evaluating.
177
178
While the `x` function can be defined within the R Startup Script, it is
179
better practice to put it into its own library so that it can be reused
180
outside of the application.
181
1182
A docs/samples/korean.md
1
*Song of the Yellow Bird*:
2
3
	翩翩黃鳥,
4
	雌雄相依。
5
	念我之獨,
6
	誰其與歸?
7
8
English translation:
9
    	
10
	Orioles fly smoothly
11
	Female and male cuddle close together
12
	Thinking of my loneliness
13
	Whom shall I go with?
14
15
Fonts:
16
17
* Regular: 활판 인쇄술
18
* Bold: **활판 인쇄술**
19
* Monospace: `활판 인쇄술`
20
* Monospace bold: **`활판 인쇄술`**
21
* Math: $E=mc^2$
22
123
A docs/samples/math.yaml
1
---
2
formula:
3
  sqrt:
4
    value: "420"
5
  quadratic:
6
    a: "25"
7
    b: "84.906"
8
    c: "20"
19
A docs/samples/quadratic.Rmd
1
![Logo](../images/app-title)
2
3
Given the quadratic formula:
4
5
$x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}$
6
7
Formatted in an R Markdown document as follows:
8
9
    $x = \frac{-b \pm \sqrt{b^2 -4ac}}{2a}$
10
11
We can substitute the following values:
12
13
$a = `r# x(v$formula$quadratic$a)`, b = `r# x(v$formula$quadratic$b)`, c = `r# x(v$formula$quadratic$c)`$
14
15
`r# -x(v$formula$quadratic$b) + sqrt( v$formula$quadratic$b^2  - 4 * v$formula$quadratic$a * v$formula$quadratic$c )`
16
17
To arrive at two solutions:
18
19
$x = \frac{-b + \sqrt{b^2 -4ac}}{2a} = `r# (-x(v$formula$quadratic$b) + sqrt( x(v$formula$quadratic$b)^2  - 4 * x(v$formula$quadratic$a) * x(v$formula$quadratic$c) )) / (2 * x(v$formula$quadratic$a))`$
20
21
$x = \frac{-b - \sqrt{b^2 -4ac}}{2a} = `r# (-x(v$formula$quadratic$b) - sqrt( x(v$formula$quadratic$b)^2  - 4 * x(v$formula$quadratic$a) * x(v$formula$quadratic$c) )) / (2 * x(v$formula$quadratic$a))`$
22
23
Changing the variable values is reflected in the output immediately.
124
A docs/samples/tex.Rmd
1
# ![Logo](../images/app-title.png)
2
3
# Real-time equation rendering
4
5
Interpolated variables within R calculations, formatted as an equation:
6
7
$\sqrt{`r#x( v$formula$sqrt$value)`} = \pm `r# round(sqrt(x( v$formula$sqrt$value )),5)`$
8
9
# Maxwell's equations
10
11
$rot \vec{E} = \frac{1}{c} \frac{\partial{\vec{B}}}{\partial t}, div \vec{B} = 0$
12
13
$rot \vec{B} = \frac{1}{c} \frac{\partial{\vec{E}}}{\partial t} + \frac{4\pi}{c} \vec{j}, div \vec{E} = 4 \pi \rho_{\varepsilon}$
14
15
# Time-dependent Schrödinger equation
16
17
$- \frac{{\hbar ^2 }}{{2m}}\frac{{\partial ^2 \psi (x,t)}}{{\partial x^2 }} + U(x)\psi (x,t) = i\hbar \frac{{\partial \psi (x,t)}}{{\partial t}}$
18
19
# Discrete-time Fourier transforms
20
21
Unit step function: $u(n) \Leftrightarrow \frac{1}{1-e^{-jw}} + \sum_{k=-\infty}^{\infty} \pi \delta (\omega + 2\pi k)$
22
23
Shifted delta: $\delta (n - n_o ) \Leftrightarrow e^{ - j\omega n_o }$
24
25
# Faraday's Law
26
27
$\oint_C {E \cdot d\ell  =  - \frac{d}{{dt}}} \int_S {B_n dA}$
28
29
# Infinite series
30
31
$sin(x) = \sum_{n = 1}^{\infty}  {\frac{{( { - 1})^{n - 1} x^{2n - 1} }}{{( {2n - 1})!}}}$
32
33
# Magnetic flux
34
35
$\phi _m  = \int_S {N{{B}} \cdot {{\hat n}}dA = } \int_S {NB_n dA}$
36
37
# Driven oscillation amplitude
38
39
$A = \frac{{F_0 }}{{\sqrt {m^2 ( {\omega _0^2  - \omega ^2 } )^2  + b^2 \omega ^2 } }}$
40
41
# Optics
42
43
$\phi  = \frac{{2\pi }}{\lambda }a sin(\theta)$
144
A docs/svg.md
1
# Introduction
2
3
The Scalable Vector Graphics (SVG) drawing software---[Batik](https://xmlgraphics.apache.org/batik/)---that's used by the application may be unable to read certain SVG files produced by [Inkscape](https://inkscape.org/). The result is that embedding the vector graphics files may trigger the following issues:
4
5
* Unable to create nested element
6
* Black blocks, no text displayed
7
* Black text instead of coloured
8
9
The remainder of this document explains these problems and how to fix them.
10
11
# Nested element
12
13
When referencing a vector graphic using Markdown, the status bar may show the following error:
14
15
> The current document is unable to create an element of the requested type (namespace: http://www.w3.org/2000/svg, name: flowRoot).
16
17
This error is due to a version mismatch of the `flowRoot` element that Inkscape creates.
18
19
## Fix
20
21
Resolve the issue by changing the SVG version number as follows:
22
23
1. Edit the vector graphics file using any text editor.
24
1. Find `version="1.1"` and change it to `version="1.2"`.
25
1. Save the file.
26
27
The SVG will now appear inside the application; however, the text may appear as black blocks.
28
29
# Black blocks
30
31
Depending on how text is added to a vector graphic in Inkscape, the text may be inserted within an element called a `flowRoot`. Although Batik recognizes `flowRoot` for SVG version 1.2, it cannot fully interpret the contents. Black blocks are drawn instead of the text, such as those depicted in the following figure:
32
33
![Missing text](images/blocked-text.png)
34
35
## Fix
36
37
Resolve the issue by "unflowing" all text elements as follows:
38
39
1. Start Inkscape.
40
1. Load the SVG file.
41
1. Select all the text elements.
42
1. Click **Text → Unflow**.
43
44
The text may change size and position; recreate the text without dragging using the text tool. After all the text areas have been recreated, continue as follows:
45
46
1. Click **Edit → XML Editor**.
47
1. Expand the **XML Editor** to see more elements.
48
1. Delete all elements named `svg:flowRoot`.
49
1. Save the file.
50
51
When the illustration is reloaded, the black blocks will have disappeared, but the text elements ignore any assigned colour.
52
53
# Black text
54
55
When an SVG `style` attribute contains a reference to `-inkscape-font-specification`, Batik ignores all values that follow said reference. This results in black text, such as:
56
57
![Black text](images/black-text.png)
58
59
## Fix
60
61
Resolve the issue of colourless text as follows:
62
63
1. Open the SVG file in a plain text editor.
64
1. Remove all references `-inkscape-font-specification:'<FONT>';`, including the trailing (or leading) semicolon.
65
1. Save the file.
66
67
When the illustration is reloaded, the colours will have reappeared, such as:
68
69
![Resolved text](images/resolved-text.png)
70
171
A docs/themes.md
1
# Themes
2
3
The application provides bundled themes and the ability to add custom
4
themes. This document describes the interplay between bundled themes
5
and building your own theme.
6
7
A theme is a set of styles, similar to cascading style sheet classes,
8
that instruct the user interface on how to apply colours, fonts, spacing,
9
highlights, drop-shadows, gradients, and so forth.
10
11
For more information on CSS, see the [W3C CSS tutorial](https://www.w3.org/Style/Examples/011/firstcss).
12
13
# Order
14
15
The order that stylesheets are applied matters so that stylesheets can
16
override styles defined previously. The application's user interface
17
is made up of the following stylesheets, applied in the order listed:
18
19
* **scene.css** --- Defines toolbar styling.
20
* **markdown.css** --- Defines text editor styling.
21
* **themes/theme_name.css** --- Bundled theme selected in preferences.
22
* **custom.css** --- User-defined file set in preferences.
23
24
# Customization
25
26
Create a custom theme as follows:
27
28
1. Start the application.
29
1. Click **File → New** to create a new file.
30
1. Click **File → Save As** to rename the file.
31
1. Save the file as `custom.css`.
32
1. Change the content to the following:
33
``` css
34
.root {
35
  -fx-base: rgb( 30, 30, 30 );
36
  -fx-background: -fx-base;
37
}
38
```
39
40
Next, apply the theme as follows:
41
42
1. Click **Edit → Preferences** to open the preferences dialog.
43
1. Click **Themes** to view the theme options.
44
1. Click **Browse** to select a custom theme file.
45
1. Browse to and select `custom.css`, created previously.
46
1. Click **Open**.
47
1. Click **Apply**.
48
49
The user interface immediately changes to a dark mode. Continue:
50
51
1. Click **OK** to close the dialog.
52
1. Change the **rgb** numbers in **custom.css** from `30` to `60`.
53
1. Click **File → Save** to save the CSS file.
54
55
The user interface immediately changes colour.
56
57
# Classes
58
59
When creating your own theme, there many classes that can be styled. The
60
previous section showed how to set up a rudimentary theme. Instead, start
61
with a template that already has a number of classes defined so that you
62
can tweak them to your taste. Accomplish this as follows:
63
64
1. Visit the [themes](https://github.com/DaveJarvis/keenwrite/tree/master/src/main/resources/com/keenwrite/themes) repository directory
65
1. Click one of the themes (e.g., `haunted_grey.css`).
66
1. Click **Raw**.
67
1. Copy the entire text.
68
1. Return to `custom.css`.
69
1. Delete the contents.
70
1. Paste the copied text.
71
1. Save the file.
72
73
To see how the CSS styles are applied to the text editor, open
74
[markdown.css](https://github.com/DaveJarvis/keenwrite/blob/master/src/main/resources/com/keenwrite/editor/markdown.css), which is also in the repository.
75
76
# Modena
77
78
The basic theme used by the application is _Modena Light_. Typically we
79
only need to override a few classes to completely change the application's
80
look and feel. For a full listing of available styles see the OpenJDK's
81
[Modena CSS file](https://github.com/openjdk/jfx/blob/master/modules/javafx.controls/src/main/resources/com/sun/javafx/scene/control/skin/modena/modena.css).
82
83
# JavaFX CSS
84
85
The [Java CSS Reference Guide](https://openjfx.io/javadoc/11/javafx.graphics/javafx/scene/doc-files/cssref.html) is exhaustive. In addition to showing many
86
differences between JavaFX CSS and W3C CSS, the guide introduces numerous
87
helpful functions for manipulating colours and gradients using existing
88
colour definitions.
89
90
# RichTextFX
91
92
The application uses RichTextFX to render the text editor. Styling various
93
text editor classes can require using the prefix `-rtfx` instead of the
94
regular JavaFX `-fx`.
95
96
# Submit
97
98
Send in your themes! If you have a theme you'd like to contribute to the
99
project, or improvements to an existing theme, do pass it along. Either open a new issue in the [issue tracker](https://github.com/DaveJarvis/keenwrite/issues) that contains the CSS file or submit a pull request.
100
1101
A docs/variables.md
1
# Introduction
2
3
This document describes how to use the application.
4
5
# Variable definitions
6
7
Variable definitions provide a way to insert key names having associated values into a document. The variable names and values are declared inside an external file using the [YAML](http://www.yaml.org/) file format. Simply put, variables are written in the file as follows:
8
9
```
10
key: value
11
```
12
13
Any number of variables can be defined, in any order:
14
15
```
16
key_1: Value 1
17
key_2: Value 2
18
```
19
20
Variables can reference other variables by bookending the key name within symbols:
21
22
```
23
key: Value
24
key_1: {{key}} 1
25
key_2: {{key}} 2
26
```
27
28
Variables can use a nested structure to help group related information:
29
30
```
31
novel:
32
  title: Book Title
33
  author: Author Name
34
  isbn: 978-3-16-148410-0
35
```
36
37
Use a period to reference nested keys, such as:
38
39
```
40
novel:
41
  author: Author Name
42
copyright:
43
  owner: {{novel.author}}
44
```
45
46
Save the variable definitions in a file having an extension of `.yaml` or `.yml`.
47
48
# Document editing
49
50
The application's purpose is to completely separate the document's content from its presentation. To achieve this, documents are composed using a [plain text](http://spec.commonmark.org/0.28/) format.
51
52
## Create document
53
54
Start a new document as follows:
55
56
1. Start the application.
57
1. Click **File → New** to create an empty document to edit.
58
1. Click **File → Open** to open a variable definition file.
59
1. Change **Source Files** to **Variable Files** to list variable definition files.
60
1. Browse to and select a file saved with a `.yaml` or `.yml` extension.
61
1. Click **Open**.
62
63
The variable definitions appear in the variable definition pane under the heading of **Variables**.
64
65
## Edit document
66
67
Edit the document as normal. Notice how the preview pane updates as new content is added. The toolbar shows various icons that perform different formatting operations. Try them to see how they appear in the preview pane. Other operations not shown on the toolbar include:
68
69
* Struck text (enclose the words within `~~` and `~~`)
70
* Horizontal rule (use `---` on an otherwise empty line).
71
72
The preview pane shows one way to interpret and format the document, but many other presentations are possible.
73
74
## Insert variable
75
76
Let's assume that the variable definitions loaded into the application include:
77
78
```
79
novel:
80
  title: Diary of {{novel.author}}
81
  author: Anne Frank
82
```
83
84
To reference a variable, type in the key name enclosed within double braces, such as:
85
86
```
87
The novel "{{novel.title}}" is one of the most widely read books in the world.
88
```
89
90
The preview pane shows:
91
92
> The novel "Diary of Anne Frank" is one of the most widely read books in the world.
93
94
As it is laborious to type in variable names, it is possible to inject the variable name using autocomplete. Accomplish this as follows:
95
96
1. Create a new file.
97
1. Type in a partial variable value, such as **Dia**.
98
1. Press `Ctrl+Space` (hold down the `Control` key and tap the spacebar).
99
100
The editor shows:
101
102
```
103
{{novel.title}}
104
```
105
106
The preview pane shows:
107
108
```
109
Diary of Anne Frank
110
```
111
112
The variable name is inserted into the document and the preview pane shows the variable's value.
113
1114
A font-names
1
#!/usr/bin/env bash
2
3
# Outputs font names for all font files.
4
5
find src/main/resources/fonts -type f \( -name "*otf" -o -name "*ttf" \) -exec \
6
  fc-scan --format "%{foundry}: %{family}\n" {} \; | uniq | sort
7
18
A fonts/README.md
1
# Fonts
2
3
For best results, it is recommended that the Noto Font family is installed
4
on the system. The required font families include:
5
6
* Sans-serif --- editor pane
7
* Serif --- preview pane
8
* Serif monospace --- preview pane
9
10
# Chinese, Japanese, and Korean (CJK)
11
12
Download and install from the following font bundles:
13
14
* [Hong Kong](noto-hk.zip)
15
* [Japanese](noto-jp.zip)
16
* [Korean](noto-kr.zip)
17
* [Simplified Chinese](noto-sc.zip)
18
* [Traditional Chinese](noto-tc.zip)
19
20
Except for Hong Kong, each bundle contains all the required font families;
21
Hong Kong must be paired with the Simplified Chinese.
22
23
The [official versions](https://www.google.com/get/noto/) of these fonts
24
are updated regularly at the Noto Fonts
25
[repository](https://github.com/googlefonts/noto-fonts/). If downloading
26
from the original location, be sure to retrieve all font families needed
27
for the application to render text correctly.
28
29
# Internationalization
30
31
Fonts for other languages may work but have not been tested.
32
133
A fonts/noto-hk.zip
Binary file
A fonts/noto-jp.zip
Binary file
A fonts/noto-kr.zip
Binary file
A fonts/noto-sc.zip
Binary file
A fonts/noto-tc.zip
Binary file
A gradle.properties
1
org.gradle.jvmargs=-Xmx1G -XX:MaxPermSize=512m
2
org.gradle.daemon=true
3
org.gradle.parallel=true
4
15
A images/broken-camera.svg
1
<svg height='19pt' viewBox='0 0 25 19' width='25pt' xmlns='http://www.w3.org/2000/svg'><g fill='#454545'><path d='m8.042969 11.085938c.332031 1.445312 1.660156 2.503906 3.214843 2.558593zm0 0'/><path d='m6.792969 9.621094-.300781.226562.242187.195313c.015625-.144531.03125-.28125.058594-.421875zm0 0'/><path d='m10.597656.949219-2.511718.207031c-.777344.066406-1.429688.582031-1.636719 1.292969l-.367188 1.253906-3.414062.28125c-1.027344.085937-1.792969.949219-1.699219 1.925781l.976562 10.621094c.089844.976562.996094 1.699219 2.023438 1.613281l11.710938-.972656-3.117188-2.484375c-.246094.0625-.5.109375-.765625.132812-2.566406.210938-4.835937-1.597656-5.0625-4.039062-.023437-.25-.019531-.496094 0-.738281l-.242187-.195313.300781-.226562c.359375-1.929688 2.039062-3.472656 4.191406-3.652344.207031-.015625.414063-.015625.617187-.007812l.933594-.707032zm0 0'/><path d='m10.234375 11.070312 2.964844 2.820313c.144531.015625.285156.027344.433593.027344 1.890626 0 3.429688-1.460938 3.429688-3.257813 0-1.792968-1.539062-3.257812-3.429688-3.257812-1.890624 0-3.429687 1.464844-3.429687 3.257812 0 .140625.011719.277344.03125.410156zm0 0'/><path d='m14.488281.808594 1.117188 4.554687-1.042969.546875c2.25.476563 3.84375 2.472656 3.636719 4.714844-.199219 2.191406-2.050781 3.871094-4.285157 4.039062l2.609376 2.957032 4.4375.371094c1.03125.085937 1.9375-.640626 2.027343-1.617188l.976563-10.617188c.089844-.980468-.667969-1.839843-1.699219-1.925781l-3.414063-.285156-.371093-1.253906c-.207031-.710938-.859375-1.226563-1.636719-1.289063zm0 0'/></g></svg>
12
A images/logo64.png
Binary file
A installer
1
#!/usr/bin/env bash
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3
# ---------------------------------------------------------------------------
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# This script cross-compiles application launchers for different platforms.
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#
6
# The application binaries are self-contained launchers that do not need
7
# to be installed.
8
# ---------------------------------------------------------------------------
9
10
source $HOME/bin/build-template
11
12
readonly APP_NAME=$(find "${SCRIPT_DIR}/src" -type f -name "settings.properties" -exec cat {} \; | grep "application.title=" | cut -d'=' -f2)
13
readonly FILE_APP_JAR="${APP_NAME}.jar"
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15
ARG_JAVA_OS="linux"
16
ARG_JAVA_ARCH="amd64"
17
ARG_JAVA_VERSION="15.0.2"
18
ARG_JAVA_UPDATE="10"
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ARG_JAVA_DIR="java"
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ARG_DIR_DIST="dist"
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FILE_DIST_EXEC="run.sh"
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25
ARG_PATH_DIST_JAR="${SCRIPT_DIR}/build/libs/${FILE_APP_JAR}"
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27
DEPENDENCIES=(
28
  "gradle,https://gradle.org"
29
  "warp-packer,https://github.com/dgiagio/warp"
30
  "tar,https://www.gnu.org/software/tar"
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  "unzip,http://infozip.sourceforge.net"
32
)
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ARGUMENTS+=(
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  "a,arch,Target operating system architecture (amd64)"
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  "o,os,Target operating system (linux, windows, mac)"
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  "u,update,Java update version number (${ARG_JAVA_UPDATE})"
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  "v,version,Full Java version (${ARG_JAVA_VERSION})"
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)
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41
ARCHIVE_EXT="tar.gz"
42
ARCHIVE_APP="tar xf"
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APP_EXTENSION="bin"
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45
# ---------------------------------------------------------------------------
46
# Generates
47
# ---------------------------------------------------------------------------
48
execute() {
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  $do_configure_target
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  $do_build
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  $do_clean
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53
  pushd "${ARG_DIR_DIST}" > /dev/null 2>&1
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55
  $do_extract_java
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  $do_create_launch_script
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  $do_copy_archive
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59
  popd > /dev/null 2>&1
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61
  $do_create_launcher
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63
  return 1
64
}
65
66
# ---------------------------------------------------------------------------
67
# Configure platform-specific commands and file names.
68
# ---------------------------------------------------------------------------
69
utile_configure_target() {
70
  if [ "${ARG_JAVA_OS}" = "windows" ]; then
71
    ARCHIVE_EXT="zip"
72
    ARCHIVE_APP="unzip -qq"
73
    FILE_DIST_EXEC="run.bat"
74
    APP_EXTENSION="exe"
75
    do_create_launch_script=utile_create_launch_script_windows
76
  fi
77
}
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79
# ---------------------------------------------------------------------------
80
# Build platform-specific überjar.
81
# ---------------------------------------------------------------------------
82
utile_build() {
83
  $log "Delete ${ARG_PATH_DIST_JAR}"
84
  rm -f "${ARG_PATH_DIST_JAR}"
85
86
  $log "Build application for ${ARG_JAVA_OS}"
87
  gradle clean jar -PtargetOs="${ARG_JAVA_OS}"
88
}
89
90
# ---------------------------------------------------------------------------
91
# Purges the existing distribution directory to recreate the launcher.
92
# This refreshes the JRE from the downloaded archive.
93
# ---------------------------------------------------------------------------
94
utile_clean() {
95
  $log "Recreate ${ARG_DIR_DIST}"
96
  rm -rf "${ARG_DIR_DIST}"
97
  mkdir -p "${ARG_DIR_DIST}"
98
}
99
100
# ---------------------------------------------------------------------------
101
# Extract platform-specific Java Runtime Environment. This will download
102
# and cache the required Java Runtime Environment for the target platform.
103
# On subsequent runs, the cached version is used, instead of issuing another
104
# download.
105
# ---------------------------------------------------------------------------
106
utile_extract_java() {
107
  $log "Extract Java"
108
  local -r java_vm="jre"
109
  local -r java_version="${ARG_JAVA_VERSION}+${ARG_JAVA_UPDATE}"
110
  local -r url_java="https://download.bell-sw.com/java/${java_version}/bellsoft-${java_vm}${java_version}-${ARG_JAVA_OS}-${ARG_JAVA_ARCH}-full.${ARCHIVE_EXT}"
111
112
  local -r file_java="${java_vm}-${java_version}-${ARG_JAVA_OS}-${ARG_JAVA_ARCH}.${ARCHIVE_EXT}"
113
  local -r path_java="/tmp/${file_java}"
114
115
  # File must have contents.
116
  if [ ! -s ${path_java} ]; then
117
    $log "Download ${url_java} to ${path_java}"
118
    wget -q "${url_java}" -O "${path_java}"
119
  fi
120
121
  $log "Unpack ${path_java}"
122
  $ARCHIVE_APP "${path_java}"
123
124
  local -r dir_java="${java_vm}-${ARG_JAVA_VERSION}-full"
125
126
  $log "Rename ${dir_java} to ${ARG_JAVA_DIR}"
127
  mv "${dir_java}" "${ARG_JAVA_DIR}"
128
}
129
130
# ---------------------------------------------------------------------------
131
# Create Linux-specific launch script.
132
# ---------------------------------------------------------------------------
133
utile_create_launch_script_linux() {
134
  $log "Create Linux launch script"
135
136
  cat > "${FILE_DIST_EXEC}" << __EOT
137
#!/usr/bin/env bash
138
139
readonly SCRIPT_SRC="\$(dirname "\${BASH_SOURCE[\${#BASH_SOURCE[@]} - 1]}")"
140
141
"\${SCRIPT_SRC}/${ARG_JAVA_DIR}/bin/java" -jar "\${SCRIPT_SRC}/${FILE_APP_JAR}" "\$@" 2>&1 >/dev/null &
142
__EOT
143
144
  chmod +x "${FILE_DIST_EXEC}"
145
}
146
147
# ---------------------------------------------------------------------------
148
# Create Windows-specific launch script.
149
# ---------------------------------------------------------------------------
150
utile_create_launch_script_windows() {
151
  $log "Create Windows launch script"
152
153
  cat > "${FILE_DIST_EXEC}" << __EOT
154
@echo off
155
156
set SCRIPT_DIR=%~dp0
157
"%SCRIPT_DIR%\\${ARG_JAVA_DIR}\\bin\\java" -jar "%SCRIPT_DIR%\\${APP_NAME}.jar" %*
158
__EOT
159
160
  # Convert Unix end of line characters (\n) to Windows format (\r\n).
161
  # This avoids any potential line conversion issues with the repository.
162
  sed -i 's/$/\r/' "${FILE_DIST_EXEC}"
163
}
164
165
# ---------------------------------------------------------------------------
166
# Copy application überjar.
167
# ---------------------------------------------------------------------------
168
utile_copy_archive() {
169
  $log "Create copy of ${FILE_APP_JAR}"
170
  cp "${ARG_PATH_DIST_JAR}" "${FILE_APP_JAR}"
171
}
172
173
# ---------------------------------------------------------------------------
174
# Create platform-specific launcher binary.
175
# ---------------------------------------------------------------------------
176
utile_create_launcher() {
177
  local -r FILE_APP_NAME="${APP_NAME}.${APP_EXTENSION}"
178
  $log "Create ${FILE_APP_NAME}"
179
180
  # Warp-packer does not seem to overwrite the file.
181
  rm -f "${FILE_APP_NAME}"
182
183
  # Download uses amd64, but warp-packer differs.
184
  if [ "${ARG_JAVA_ARCH}" = "amd64" ]; then
185
    ARG_JAVA_ARCH="x64"
186
  fi
187
188
  warp-packer \
189
    --arch "${ARG_JAVA_OS}-${ARG_JAVA_ARCH}" \
190
    --input_dir "${ARG_DIR_DIST}" \
191
    --exec "${FILE_DIST_EXEC}" \
192
    --output "${FILE_APP_NAME}" > /dev/null
193
194
  chmod +x "${FILE_APP_NAME}"
195
}
196
197
argument() {
198
  local consume=2
199
200
  case "$1" in
201
    -a|--arch)
202
    ARG_JAVA_ARCH="$2"
203
    ;;
204
    -o|--os)
205
    ARG_JAVA_OS="$2"
206
    ;;
207
    -u|--update)
208
    ARG_JAVA_UPDATE="$2"
209
    ;;
210
    -v|--version)
211
    ARG_JAVA_VERSION="$2"
212
    ;;
213
  esac
214
215
  return ${consume}
216
}
217
218
do_configure_target=utile_configure_target
219
do_build=utile_build
220
do_clean=utile_clean
221
do_extract_java=utile_extract_java
222
do_create_launch_script=utile_create_launch_script_linux
223
do_copy_archive=utile_copy_archive
224
do_create_launcher=utile_create_launcher
225
226
main "$@"
227
1228
A libs/jmathtex.jar
Binary file
A libs/jsymspell/jsymspell-core-1.0.jar
Binary file
A libs/tiwulfx-dock-0.1.jar
Binary file
A libs/tokenize.jar
Binary file
A licenses/BEAN-VALIDATION-API.md
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A licenses/FILE-PREFERENCES.md
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   Unless required by applicable law or agreed to in writing, software
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   distributed under the License is distributed on an "AS IS" BASIS,
199
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
200
   See the License for the specific language governing permissions and
201
   limitations under the License.
1202
A licenses/REACT-FX.md
1
Copyright (c) 2013-2014, Tomas Mikula
2
All rights reserved.
3
4
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
5
6
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
7
8
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
9
10
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
111
A licenses/RENJIN.txt
1
		    GNU GENERAL PUBLIC LICENSE
2
		       Version 2, June 1991
3
4
 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
5
                       51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
6
 Everyone is permitted to copy and distribute verbatim copies
7
 of this license document, but changing it is not allowed.
8
9
			    Preamble
10
11
  The licenses for most software are designed to take away your
12
freedom to share and change it.  By contrast, the GNU General Public
13
License is intended to guarantee your freedom to share and change free
14
software--to make sure the software is free for all its users.  This
15
General Public License applies to most of the Free Software
16
Foundation's software and to any other program whose authors commit to
17
using it.  (Some other Free Software Foundation software is covered by
18
the GNU Library General Public License instead.)  You can apply it to
19
your programs, too.
20
21
  When we speak of free software, we are referring to freedom, not
22
price.  Our General Public Licenses are designed to make sure that you
23
have the freedom to distribute copies of free software (and charge for
24
this service if you wish), that you receive source code or can get it
25
if you want it, that you can change the software or use pieces of it
26
in new free programs; and that you know you can do these things.
27
28
  To protect your rights, we need to make restrictions that forbid
29
anyone to deny you these rights or to ask you to surrender the rights.
30
These restrictions translate to certain responsibilities for you if you
31
distribute copies of the software, or if you modify it.
32
33
  For example, if you distribute copies of such a program, whether
34
gratis or for a fee, you must give the recipients all the rights that
35
you have.  You must make sure that they, too, receive or can get the
36
source code.  And you must show them these terms so they know their
37
rights.
38
39
  We protect your rights with two steps: (1) copyright the software, and
40
(2) offer you this license which gives you legal permission to copy,
41
distribute and/or modify the software.
42
43
  Also, for each author's protection and ours, we want to make certain
44
that everyone understands that there is no warranty for this free
45
software.  If the software is modified by someone else and passed on, we
46
want its recipients to know that what they have is not the original, so
47
that any problems introduced by others will not reflect on the original
48
authors' reputations.
49
50
  Finally, any free program is threatened constantly by software
51
patents.  We wish to avoid the danger that redistributors of a free
52
program will individually obtain patent licenses, in effect making the
53
program proprietary.  To prevent this, we have made it clear that any
54
patent must be licensed for everyone's free use or not licensed at all.
55
56
  The precise terms and conditions for copying, distribution and
57
modification follow.
58

59
		    GNU GENERAL PUBLIC LICENSE
60
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
61
62
  0. This License applies to any program or other work which contains
63
a notice placed by the copyright holder saying it may be distributed
64
under the terms of this General Public License.  The "Program", below,
65
refers to any such program or work, and a "work based on the Program"
66
means either the Program or any derivative work under copyright law:
67
that is to say, a work containing the Program or a portion of it,
68
either verbatim or with modifications and/or translated into another
69
language.  (Hereinafter, translation is included without limitation in
70
the term "modification".)  Each licensee is addressed as "you".
71
72
Activities other than copying, distribution and modification are not
73
covered by this License; they are outside its scope.  The act of
74
running the Program is not restricted, and the output from the Program
75
is covered only if its contents constitute a work based on the
76
Program (independent of having been made by running the Program).
77
Whether that is true depends on what the Program does.
78
79
  1. You may copy and distribute verbatim copies of the Program's
80
source code as you receive it, in any medium, provided that you
81
conspicuously and appropriately publish on each copy an appropriate
82
copyright notice and disclaimer of warranty; keep intact all the
83
notices that refer to this License and to the absence of any warranty;
84
and give any other recipients of the Program a copy of this License
85
along with the Program.
86
87
You may charge a fee for the physical act of transferring a copy, and
88
you may at your option offer warranty protection in exchange for a fee.
89
90
  2. You may modify your copy or copies of the Program or any portion
91
of it, thus forming a work based on the Program, and copy and
92
distribute such modifications or work under the terms of Section 1
93
above, provided that you also meet all of these conditions:
94
95
    a) You must cause the modified files to carry prominent notices
96
    stating that you changed the files and the date of any change.
97
98
    b) You must cause any work that you distribute or publish, that in
99
    whole or in part contains or is derived from the Program or any
100
    part thereof, to be licensed as a whole at no charge to all third
101
    parties under the terms of this License.
102
103
    c) If the modified program normally reads commands interactively
104
    when run, you must cause it, when started running for such
105
    interactive use in the most ordinary way, to print or display an
106
    announcement including an appropriate copyright notice and a
107
    notice that there is no warranty (or else, saying that you provide
108
    a warranty) and that users may redistribute the program under
109
    these conditions, and telling the user how to view a copy of this
110
    License.  (Exception: if the Program itself is interactive but
111
    does not normally print such an announcement, your work based on
112
    the Program is not required to print an announcement.)
113

114
These requirements apply to the modified work as a whole.  If
115
identifiable sections of that work are not derived from the Program,
116
and can be reasonably considered independent and separate works in
117
themselves, then this License, and its terms, do not apply to those
118
sections when you distribute them as separate works.  But when you
119
distribute the same sections as part of a whole which is a work based
120
on the Program, the distribution of the whole must be on the terms of
121
this License, whose permissions for other licensees extend to the
122
entire whole, and thus to each and every part regardless of who wrote it.
123
124
Thus, it is not the intent of this section to claim rights or contest
125
your rights to work written entirely by you; rather, the intent is to
126
exercise the right to control the distribution of derivative or
127
collective works based on the Program.
128
129
In addition, mere aggregation of another work not based on the Program
130
with the Program (or with a work based on the Program) on a volume of
131
a storage or distribution medium does not bring the other work under
132
the scope of this License.
133
134
  3. You may copy and distribute the Program (or a work based on it,
135
under Section 2) in object code or executable form under the terms of
136
Sections 1 and 2 above provided that you also do one of the following:
137
138
    a) Accompany it with the complete corresponding machine-readable
139
    source code, which must be distributed under the terms of Sections
140
    1 and 2 above on a medium customarily used for software interchange; or,
141
142
    b) Accompany it with a written offer, valid for at least three
143
    years, to give any third party, for a charge no more than your
144
    cost of physically performing source distribution, a complete
145
    machine-readable copy of the corresponding source code, to be
146
    distributed under the terms of Sections 1 and 2 above on a medium
147
    customarily used for software interchange; or,
148
149
    c) Accompany it with the information you received as to the offer
150
    to distribute corresponding source code.  (This alternative is
151
    allowed only for noncommercial distribution and only if you
152
    received the program in object code or executable form with such
153
    an offer, in accord with Subsection b above.)
154
155
The source code for a work means the preferred form of the work for
156
making modifications to it.  For an executable work, complete source
157
code means all the source code for all modules it contains, plus any
158
associated interface definition files, plus the scripts used to
159
control compilation and installation of the executable.  However, as a
160
special exception, the source code distributed need not include
161
anything that is normally distributed (in either source or binary
162
form) with the major components (compiler, kernel, and so on) of the
163
operating system on which the executable runs, unless that component
164
itself accompanies the executable.
165
166
If distribution of executable or object code is made by offering
167
access to copy from a designated place, then offering equivalent
168
access to copy the source code from the same place counts as
169
distribution of the source code, even though third parties are not
170
compelled to copy the source along with the object code.
171

172
  4. You may not copy, modify, sublicense, or distribute the Program
173
except as expressly provided under this License.  Any attempt
174
otherwise to copy, modify, sublicense or distribute the Program is
175
void, and will automatically terminate your rights under this License.
176
However, parties who have received copies, or rights, from you under
177
this License will not have their licenses terminated so long as such
178
parties remain in full compliance.
179
180
  5. You are not required to accept this License, since you have not
181
signed it.  However, nothing else grants you permission to modify or
182
distribute the Program or its derivative works.  These actions are
183
prohibited by law if you do not accept this License.  Therefore, by
184
modifying or distributing the Program (or any work based on the
185
Program), you indicate your acceptance of this License to do so, and
186
all its terms and conditions for copying, distributing or modifying
187
the Program or works based on it.
188
189
  6. Each time you redistribute the Program (or any work based on the
190
Program), the recipient automatically receives a license from the
191
original licensor to copy, distribute or modify the Program subject to
192
these terms and conditions.  You may not impose any further
193
restrictions on the recipients' exercise of the rights granted herein.
194
You are not responsible for enforcing compliance by third parties to
195
this License.
196
197
  7. If, as a consequence of a court judgment or allegation of patent
198
infringement or for any other reason (not limited to patent issues),
199
conditions are imposed on you (whether by court order, agreement or
200
otherwise) that contradict the conditions of this License, they do not
201
excuse you from the conditions of this License.  If you cannot
202
distribute so as to satisfy simultaneously your obligations under this
203
License and any other pertinent obligations, then as a consequence you
204
may not distribute the Program at all.  For example, if a patent
205
license would not permit royalty-free redistribution of the Program by
206
all those who receive copies directly or indirectly through you, then
207
the only way you could satisfy both it and this License would be to
208
refrain entirely from distribution of the Program.
209
210
If any portion of this section is held invalid or unenforceable under
211
any particular circumstance, the balance of the section is intended to
212
apply and the section as a whole is intended to apply in other
213
circumstances.
214
215
It is not the purpose of this section to induce you to infringe any
216
patents or other property right claims or to contest validity of any
217
such claims; this section has the sole purpose of protecting the
218
integrity of the free software distribution system, which is
219
implemented by public license practices.  Many people have made
220
generous contributions to the wide range of software distributed
221
through that system in reliance on consistent application of that
222
system; it is up to the author/donor to decide if he or she is willing
223
to distribute software through any other system and a licensee cannot
224
impose that choice.
225
226
This section is intended to make thoroughly clear what is believed to
227
be a consequence of the rest of this License.
228

229
  8. If the distribution and/or use of the Program is restricted in
230
certain countries either by patents or by copyrighted interfaces, the
231
original copyright holder who places the Program under this License
232
may add an explicit geographical distribution limitation excluding
233
those countries, so that distribution is permitted only in or among
234
countries not thus excluded.  In such case, this License incorporates
235
the limitation as if written in the body of this License.
236
237
  9. The Free Software Foundation may publish revised and/or new versions
238
of the General Public License from time to time.  Such new versions will
239
be similar in spirit to the present version, but may differ in detail to
240
address new problems or concerns.
241
242
Each version is given a distinguishing version number.  If the Program
243
specifies a version number of this License which applies to it and "any
244
later version", you have the option of following the terms and conditions
245
either of that version or of any later version published by the Free
246
Software Foundation.  If the Program does not specify a version number of
247
this License, you may choose any version ever published by the Free Software
248
Foundation.
249
250
  10. If you wish to incorporate parts of the Program into other free
251
programs whose distribution conditions are different, write to the author
252
to ask for permission.  For software which is copyrighted by the Free
253
Software Foundation, write to the Free Software Foundation; we sometimes
254
make exceptions for this.  Our decision will be guided by the two goals
255
of preserving the free status of all derivatives of our free software and
256
of promoting the sharing and reuse of software generally.
257
258
			    NO WARRANTY
259
260
  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
261
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
262
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
263
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
264
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
265
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
266
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
267
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
268
REPAIR OR CORRECTION.
269
270
  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
271
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
272
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
273
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
274
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
275
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
276
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
277
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
278
POSSIBILITY OF SUCH DAMAGES.
279
280
		     END OF TERMS AND CONDITIONS
281

282
	    How to Apply These Terms to Your New Programs
283
284
  If you develop a new program, and you want it to be of the greatest
285
possible use to the public, the best way to achieve this is to make it
286
free software which everyone can redistribute and change under these terms.
287
288
  To do so, attach the following notices to the program.  It is safest
289
to attach them to the start of each source file to most effectively
290
convey the exclusion of warranty; and each file should have at least
291
the "copyright" line and a pointer to where the full notice is found.
292
293
    <one line to give the program's name and a brief idea of what it does.>
294
    Copyright (C) <year>  <name of author>
295
296
    This program is free software; you can redistribute it and/or modify
297
    it under the terms of the GNU General Public License as published by
298
    the Free Software Foundation; either version 2 of the License, or
299
    (at your option) any later version.
300
301
    This program is distributed in the hope that it will be useful,
302
    but WITHOUT ANY WARRANTY; without even the implied warranty of
303
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
304
    GNU General Public License for more details.
305
306
    You should have received a copy of the GNU General Public License
307
    along with this program; if not, write to the Free Software
308
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
309
310
311
Also add information on how to contact you by electronic and paper mail.
312
313
If the program is interactive, make it output a short notice like this
314
when it starts in an interactive mode:
315
316
    Gnomovision version 69, Copyright (C) year name of author
317
    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
318
    This is free software, and you are welcome to redistribute it
319
    under certain conditions; type `show c' for details.
320
321
The hypothetical commands `show w' and `show c' should show the appropriate
322
parts of the General Public License.  Of course, the commands you use may
323
be called something other than `show w' and `show c'; they could even be
324
mouse-clicks or menu items--whatever suits your program.
325
326
You should also get your employer (if you work as a programmer) or your
327
school, if any, to sign a "copyright disclaimer" for the program, if
328
necessary.  Here is a sample; alter the names:
329
330
  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
331
  `Gnomovision' (which makes passes at compilers) written by James Hacker.
332
333
  <signature of Ty Coon>, 1 April 1989
334
  Ty Coon, President of Vice
335
336
This General Public License does not permit incorporating your program into
337
proprietary programs.  If your program is a subroutine library, you may
338
consider it more useful to permit linking proprietary applications with the
339
library.  If this is what you want to do, use the GNU Library General
340
Public License instead of this License.
1341
A licenses/RICH-TEXT-FX.md
1
Copyright (c) 2013-2017, Tomas Mikula and contributors
2
All rights reserved.
3
4
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
5
6
1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
7
8
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
9
10
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
111
A licenses/SAXON-HE.txt
1
                             Mozilla Public License
2
                                  Version 2.0
3
4
1. Definitions
5
6
   1.1. “Contributor”
7
          means each individual or legal entity that creates, contributes
8
          to the creation of, or owns Covered Software.
9
10
   1.2. “Contributor Version”
11
          means the combination of the Contributions of others (if any)
12
          used by a Contributor and that particular Contributor’s
13
          Contribution.
14
15
   1.3. “Contribution”
16
          means Covered Software of a particular Contributor.
17
18
   1.4. “Covered Software”
19
          means Source Code Form to which the initial Contributor has
20
          attached the notice in Exhibit A, the Executable Form of such
21
          Source Code Form, and Modifications of such Source Code Form, in
22
          each case including portions thereof.
23
24
   1.5. “Incompatible With Secondary Licenses”
25
          means
26
27
         a. that the initial Contributor has attached the notice described
28
            in Exhibit B to the Covered Software; or
29
         b. that the Covered Software was made available under the terms
30
            of version 1.1 or earlier of the License, but not also under
31
            the terms of a Secondary License.
32
33
   1.6. “Executable Form”
34
          means any form of the work other than Source Code Form.
35
36
   1.7. “Larger Work”
37
          means a work that combines Covered Software with other material,
38
          in a separate file or files, that is not Covered Software.
39
40
   1.8. “License”
41
          means this document.
42
43
   1.9. “Licensable”
44
          means having the right to grant, to the maximum extent possible,
45
          whether at the time of the initial grant or subsequently, any
46
          and all of the rights conveyed by this License.
47
48
   1.10. “Modifications”
49
          means any of the following:
50
51
         a. any file in Source Code Form that results from an addition to,
52
            deletion from, or modification of the contents of Covered
53
            Software; or
54
         b. any new file in Source Code Form that contains any Covered
55
            Software.
56
57
   1.11. “Patent Claims” of a Contributor
58
          means any patent claim(s), including without limitation, method,
59
          process, and apparatus claims, in any patent Licensable by such
60
          Contributor that would be infringed, but for the grant of the
61
          License, by the making, using, selling, offering for sale,
62
          having made, import, or transfer of either its Contributions or
63
          its Contributor Version.
64
65
   1.12. “Secondary License”
66
          means either the GNU General Public License, Version 2.0, the
67
          GNU Lesser General Public License, Version 2.1, the GNU Affero
68
          General Public License, Version 3.0, or any later versions of
69
          those licenses.
70
71
   1.13. “Source Code Form”
72
          means the form of the work preferred for making modifications.
73
74
   1.14. “You” (or “Your”)
75
          means an individual or a legal entity exercising rights under
76
          this License. For legal entities, “You” includes any entity that
77
          controls, is controlled by, or is under common control with You.
78
          For purposes of this definition, “control” means (a) the power,
79
          direct or indirect, to cause the direction or management of such
80
          entity, whether by contract or otherwise, or (b) ownership of
81
          more than fifty percent (50%) of the outstanding shares or
82
          beneficial ownership of such entity.
83
84
2. License Grants and Conditions
85
86
  2.1. Grants
87
88
   Each Contributor hereby grants You a world-wide, royalty-free,
89
   non-exclusive license:
90
    a. under intellectual property rights (other than patent or trademark)
91
       Licensable by such Contributor to use, reproduce, make available,
92
       modify, display, perform, distribute, and otherwise exploit its
93
       Contributions, either on an unmodified basis, with Modifications,
94
       or as part of a Larger Work; and
95
    b. under Patent Claims of such Contributor to make, use, sell, offer
96
       for sale, have made, import, and otherwise transfer either its
97
       Contributions or its Contributor Version.
98
99
  2.2. Effective Date
100
101
   The licenses granted in Section 2.1 with respect to any Contribution
102
   become effective for each Contribution on the date the Contributor
103
   first distributes such Contribution.
104
105
  2.3. Limitations on Grant Scope
106
107
   The licenses granted in this Section 2 are the only rights granted
108
   under this License. No additional rights or licenses will be implied
109
   from the distribution or licensing of Covered Software under this
110
   License. Notwithstanding Section 2.1(b) above, no patent license is
111
   granted by a Contributor:
112
    a. for any code that a Contributor has removed from Covered Software;
113
       or
114
    b. for infringements caused by: (i) Your and any other third party’s
115
       modifications of Covered Software, or (ii) the combination of its
116
       Contributions with other software (except as part of its
117
       Contributor Version); or
118
    c. under Patent Claims infringed by Covered Software in the absence of
119
       its Contributions.
120
121
   This License does not grant any rights in the trademarks, service
122
   marks, or logos of any Contributor (except as may be necessary to
123
   comply with the notice requirements in Section 3.4).
124
125
  2.4. Subsequent Licenses
126
127
   No Contributor makes additional grants as a result of Your choice to
128
   distribute the Covered Software under a subsequent version of this
129
   License (see Section 10.2) or under the terms of a Secondary License
130
   (if permitted under the terms of Section 3.3).
131
132
  2.5. Representation
133
134
   Each Contributor represents that the Contributor believes its
135
   Contributions are its original creation(s) or it has sufficient rights
136
   to grant the rights to its Contributions conveyed by this License.
137
138
  2.6. Fair Use
139
140
   This License is not intended to limit any rights You have under
141
   applicable copyright doctrines of fair use, fair dealing, or other
142
   equivalents.
143
144
  2.7. Conditions
145
146
   Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
147
   in Section 2.1.
148
149
3. Responsibilities
150
151
  3.1. Distribution of Source Form
152
153
   All distribution of Covered Software in Source Code Form, including any
154
   Modifications that You create or to which You contribute, must be under
155
   the terms of this License. You must inform recipients that the Source
156
   Code Form of the Covered Software is governed by the terms of this
157
   License, and how they can obtain a copy of this License. You may not
158
   attempt to alter or restrict the recipients’ rights in the Source Code
159
   Form.
160
161
  3.2. Distribution of Executable Form
162
163
   If You distribute Covered Software in Executable Form then:
164
    a. such Covered Software must also be made available in Source Code
165
       Form, as described in Section 3.1, and You must inform recipients
166
       of the Executable Form how they can obtain a copy of such Source
167
       Code Form by reasonable means in a timely manner, at a charge no
168
       more than the cost of distribution to the recipient; and
169
    b. You may distribute such Executable Form under the terms of this
170
       License, or sublicense it under different terms, provided that the
171
       license for the Executable Form does not attempt to limit or alter
172
       the recipients’ rights in the Source Code Form under this License.
173
174
  3.3. Distribution of a Larger Work
175
176
   You may create and distribute a Larger Work under terms of Your choice,
177
   provided that You also comply with the requirements of this License for
178
   the Covered Software. If the Larger Work is a combination of Covered
179
   Software with a work governed by one or more Secondary Licenses, and
180
   the Covered Software is not Incompatible With Secondary Licenses, this
181
   License permits You to additionally distribute such Covered Software
182
   under the terms of such Secondary License(s), so that the recipient of
183
   the Larger Work may, at their option, further distribute the Covered
184
   Software under the terms of either this License or such Secondary
185
   License(s).
186
187
  3.4. Notices
188
189
   You may not remove or alter the substance of any license notices
190
   (including copyright notices, patent notices, disclaimers of warranty,
191
   or limitations of liability) contained within the Source Code Form of
192
   the Covered Software, except that You may alter any license notices to
193
   the extent required to remedy known factual inaccuracies.
194
195
  3.5. Application of Additional Terms
196
197
   You may choose to offer, and to charge a fee for, warranty, support,
198
   indemnity or liability obligations to one or more recipients of Covered
199
   Software. However, You may do so only on Your own behalf, and not on
200
   behalf of any Contributor. You must make it absolutely clear that any
201
   such warranty, support, indemnity, or liability obligation is offered
202
   by You alone, and You hereby agree to indemnify every Contributor for
203
   any liability incurred by such Contributor as a result of warranty,
204
   support, indemnity or liability terms You offer. You may include
205
   additional disclaimers of warranty and limitations of liability
206
   specific to any jurisdiction.
207
208
4. Inability to Comply Due to Statute or Regulation
209
210
   If it is impossible for You to comply with any of the terms of this
211
   License with respect to some or all of the Covered Software due to
212
   statute, judicial order, or regulation then You must: (a) comply with
213
   the terms of this License to the maximum extent possible; and (b)
214
   describe the limitations and the code they affect. Such description
215
   must be placed in a text file included with all distributions of the
216
   Covered Software under this License. Except to the extent prohibited by
217
   statute or regulation, such description must be sufficiently detailed
218
   for a recipient of ordinary skill to be able to understand it.
219
220
5. Termination
221
222
   5.1. The rights granted under this License will terminate automatically
223
   if You fail to comply with any of its terms. However, if You become
224
   compliant, then the rights granted under this License from a particular
225
   Contributor are reinstated (a) provisionally, unless and until such
226
   Contributor explicitly and finally terminates Your grants, and (b) on
227
   an ongoing basis, if such Contributor fails to notify You of the
228
   non-compliance by some reasonable means prior to 60 days after You have
229
   come back into compliance. Moreover, Your grants from a particular
230
   Contributor are reinstated on an ongoing basis if such Contributor
231
   notifies You of the non-compliance by some reasonable means, this is
232
   the first time You have received notice of non-compliance with this
233
   License from such Contributor, and You become compliant prior to 30
234
   days after Your receipt of the notice.
235
236
   5.2. If You initiate litigation against any entity by asserting a
237
   patent infringement claim (excluding declaratory judgment actions,
238
   counter-claims, and cross-claims) alleging that a Contributor Version
239
   directly or indirectly infringes any patent, then the rights granted to
240
   You by any and all Contributors for the Covered Software under
241
   Section 2.1 of this License shall terminate.
242
243
   5.3. In the event of termination under Sections 5.1 or 5.2 above, all
244
   end user license agreements (excluding distributors and resellers)
245
   which have been validly granted by You or Your distributors under this
246
   License prior to termination shall survive termination.
247
248
6. Disclaimer of Warranty
249
250
   Covered Software is provided under this License on an “as is” basis,
251
   without warranty of any kind, either expressed, implied, or statutory,
252
   including, without limitation, warranties that the Covered Software is
253
   free of defects, merchantable, fit for a particular purpose or
254
   non-infringing. The entire risk as to the quality and performance of
255
   the Covered Software is with You. Should any Covered Software prove
256
   defective in any respect, You (not any Contributor) assume the cost of
257
   any necessary servicing, repair, or correction. This disclaimer of
258
   warranty constitutes an essential part of this License. No use of any
259
   Covered Software is authorized under this License except under this
260
   disclaimer.
261
262
7. Limitation of Liability
263
264
   Under no circumstances and under no legal theory, whether tort
265
   (including negligence), contract, or otherwise, shall any Contributor,
266
   or anyone who distributes Covered Software as permitted above, be
267
   liable to You for any direct, indirect, special, incidental, or
268
   consequential damages of any character including, without limitation,
269
   damages for lost profits, loss of goodwill, work stoppage, computer
270
   failure or malfunction, or any and all other commercial damages or
271
   losses, even if such party shall have been informed of the possibility
272
   of such damages. This limitation of liability shall not apply to
273
   liability for death or personal injury resulting from such party’s
274
   negligence to the extent applicable law prohibits such limitation. Some
275
   jurisdictions do not allow the exclusion or limitation of incidental or
276
   consequential damages, so this exclusion and limitation may not apply
277
   to You.
278
279
8. Litigation
280
281
   Any litigation relating to this License may be brought only in the
282
   courts of a jurisdiction where the defendant maintains its principal
283
   place of business and such litigation shall be governed by laws of that
284
   jurisdiction, without reference to its conflict-of-law provisions.
285
   Nothing in this Section shall prevent a party’s ability to bring
286
   cross-claims or counter-claims.
287
288
9. Miscellaneous
289
290
   This License represents the complete agreement concerning the subject
291
   matter hereof. If any provision of this License is held to be
292
   unenforceable, such provision shall be reformed only to the extent
293
   necessary to make it enforceable. Any law or regulation which provides
294
   that the language of a contract shall be construed against the drafter
295
   shall not be used to construe this License against a Contributor.
296
297
10. Versions of the License
298
299
  10.1. New Versions
300
301
   Mozilla Foundation is the license steward. Except as provided in
302
   Section 10.3, no one other than the license steward has the right to
303
   modify or publish new versions of this License. Each version will be
304
   given a distinguishing version number.
305
306
  10.2. Effect of New Versions
307
308
   You may distribute the Covered Software under the terms of the version
309
   of the License under which You originally received the Covered
310
   Software, or under the terms of any subsequent version published by the
311
   license steward.
312
313
  10.3. Modified Versions
314
315
   If you create software not governed by this License, and you want to
316
   create a new license for such software, you may create and use a
317
   modified version of this License if you rename the license and remove
318
   any references to the name of the license steward (except to note that
319
   such modified license differs from this License).
320
321
  10.4. Distributing Source Code Form that is Incompatible With Secondary
322
  Licenses
323
324
   If You choose to distribute Source Code Form that is Incompatible With
325
   Secondary Licenses under the terms of this version of the License, the
326
   notice described in Exhibit B of this License must be attached.
327
328
Exhibit A - Source Code Form License Notice
329
330
     This Source Code Form is subject to the terms of the Mozilla Public
331
     License, v. 2.0. If a copy of the MPL was not distributed with this
332
     file, You can obtain one at https://mozilla.org/MPL/2.0/.
333
334
   If it is not possible or desirable to put the notice in a particular
335
   file, then You may include the notice in a location (such as a LICENSE
336
   file in a relevant directory) where a recipient would be likely to look
337
   for such a notice.
338
339
   You may add additional accurate notices of copyright ownership.
340
341
Exhibit B - “Incompatible With Secondary Licenses” Notice
342
343
     This Source Code Form is “Incompatible With Secondary Licenses”, as
344
     defined by the Mozilla Public License, v. 2.0.
1345
A licenses/UNDO-FX.md
1
Copyright (c) 2014, TomasMikula
2
All rights reserved.
3
4
Redistribution and use in source and binary forms, with or without modification,
5
are permitted provided that the following conditions are met:
6
7
* Redistributions of source code must retain the above copyright notice, this
8
  list of conditions and the following disclaimer.
9
10
* Redistributions in binary form must reproduce the above copyright notice, this
11
  list of conditions and the following disclaimer in the documentation and/or
12
  other materials provided with the distribution.
113
14
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
18
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
A licenses/WELL-BEHAVED-FX.md
1
Copyright (c) 2014, TomasMikula
2
All rights reserved.
3
4
Redistribution and use in source and binary forms, with or without
5
modification, are permitted provided that the following conditions are met:
6
7
* Redistributions of source code must retain the above copyright notice, this
8
  list of conditions and the following disclaimer.
9
10
* Redistributions in binary form must reproduce the above copyright notice,
11
  this list of conditions and the following disclaimer in the documentation
12
  and/or other materials provided with the distribution.
13
14
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
18
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
125
A licenses/fonts/NOTO-CJK.md
1
URL: https://github.com/googlefonts/noto-cjk
2
3
Version: 1.002 or later
4
5
License: SIL Open Font License v1.1
6
7
License File: LICENSE
8
9
Note: prior releases of the CJK fonts were issued under the Apache 2
10
license. This was changed to the SIL OFL v1.1 starting with Version 1.002.
11
12
Description:
13
Noto CJK fonts, supporting Simplified Chinese, Traditional Chinese,
14
Japanese, and Korean. The supported scripts are Han, Hiragana, Katakana,
15
Hangul, and Bopomofo. Latin, Greek, Cyrillic, and various symbols are also
16
supported for compatibility with CJK standards.
17
18
The fonts in this directory are developed by Google and Adobe and are
19
released as open source under the Apache license version 2.0. The copyright
20
is held by Adobe, while the trademarks on the names are held by Google.
21
22
A README-formats file has been added explaining the different formats
23
provided and their features and limitations.
124
A licenses/fonts/NOTO-SANS.md
11
2
                                 Apache License
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                           Version 2.0, January 2004
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                        http://www.apache.org/licenses/
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A licenses/fonts/NOTO.md
1
Copyright 2018 The Noto Project Authors (https://github.com/googlei18n/noto-fonts)
2
3
This Font Software is licensed under the SIL Open Font License,
4
Version 1.1.
5
6
This license is copied below, and is also available with a FAQ at:
7
http://scripts.sil.org/OFL
8
9
-----------------------------------------------------------
10
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
11
-----------------------------------------------------------
12
13
PREAMBLE
14
The goals of the Open Font License (OFL) are to stimulate worldwide
15
development of collaborative font projects, to support the font
16
creation efforts of academic and linguistic communities, and to
17
provide a free and open framework in which fonts may be shared and
18
improved in partnership with others.
19
20
The OFL allows the licensed fonts to be used, studied, modified and
21
redistributed freely as long as they are not sold by themselves. The
22
fonts, including any derivative works, can be bundled, embedded,
23
redistributed and/or sold with any software provided that any reserved
24
names are not used by derivative works. The fonts and derivatives,
25
however, cannot be released under any other type of license. The
26
requirement for fonts to remain under this license does not apply to
27
any document created using the fonts or their derivatives.
28
29
DEFINITIONS
30
"Font Software" refers to the set of files released by the Copyright
31
Holder(s) under this license and clearly marked as such. This may
32
include source files, build scripts and documentation.
33
34
"Reserved Font Name" refers to any names specified as such after the
35
copyright statement(s).
36
37
"Original Version" refers to the collection of Font Software
38
components as distributed by the Copyright Holder(s).
39
40
"Modified Version" refers to any derivative made by adding to,
41
deleting, or substituting -- in part or in whole -- any of the
42
components of the Original Version, by changing formats or by porting
43
the Font Software to a new environment.
44
45
"Author" refers to any designer, engineer, programmer, technical
46
writer or other person who contributed to the Font Software.
47
48
PERMISSION & CONDITIONS
49
Permission is hereby granted, free of charge, to any person obtaining
50
a copy of the Font Software, to use, study, copy, merge, embed,
51
modify, redistribute, and sell modified and unmodified copies of the
52
Font Software, subject to the following conditions:
53
54
1) Neither the Font Software nor any of its individual components, in
55
Original or Modified Versions, may be sold by itself.
56
57
2) Original or Modified Versions of the Font Software may be bundled,
58
redistributed and/or sold with any software, provided that each copy
59
contains the above copyright notice and this license. These can be
60
included either as stand-alone text files, human-readable headers or
61
in the appropriate machine-readable metadata fields within text or
62
binary files as long as those fields can be easily viewed by the user.
63
64
3) No Modified Version of the Font Software may use the Reserved Font
65
Name(s) unless explicit written permission is granted by the
66
corresponding Copyright Holder. This restriction only applies to the
67
primary font name as presented to the users.
68
69
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
70
Software shall not be used to promote, endorse or advertise any
71
Modified Version, except to acknowledge the contribution(s) of the
72
Copyright Holder(s) and the Author(s) or with their explicit written
73
permission.
74
75
5) The Font Software, modified or unmodified, in part or in whole,
76
must be distributed entirely under this license, and must not be
77
distributed under any other license. The requirement for fonts to
78
remain under this license does not apply to any document created using
79
the Font Software.
80
81
TERMINATION
82
This license becomes null and void if any of the above conditions are
83
not met.
84
85
DISCLAIMER
86
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
87
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
88
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
89
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
90
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
91
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
92
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
93
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
94
OTHER DEALINGS IN THE FONT SOFTWARE.
195
A licenses/fonts/SOURCE-CODE-PRO.md
1
Copyright 2010, 2012 Adobe Systems Incorporated (http://www.adobe.com/), with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of Adobe Systems Incorporated in the United States and/or other countries.
2
3
This Font Software is licensed under the SIL Open Font License, Version 1.1.
4
This license is copied below, and is also available with a FAQ at:
5
http://scripts.sil.org/OFL
6
7
8
-----------------------------------------------------------
9
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
10
-----------------------------------------------------------
11
12
PREAMBLE
13
The goals of the Open Font License (OFL) are to stimulate worldwide
14
development of collaborative font projects, to support the font creation
15
efforts of academic and linguistic communities, and to provide a free and
16
open framework in which fonts may be shared and improved in partnership
17
with others.
18
19
The OFL allows the licensed fonts to be used, studied, modified and
20
redistributed freely as long as they are not sold by themselves. The
21
fonts, including any derivative works, can be bundled, embedded, 
22
redistributed and/or sold with any software provided that any reserved
23
names are not used by derivative works. The fonts and derivatives,
24
however, cannot be released under any other type of license. The
25
requirement for fonts to remain under this license does not apply
26
to any document created using the fonts or their derivatives.
27
28
DEFINITIONS
29
"Font Software" refers to the set of files released by the Copyright
30
Holder(s) under this license and clearly marked as such. This may
31
include source files, build scripts and documentation.
32
33
"Reserved Font Name" refers to any names specified as such after the
34
copyright statement(s).
35
36
"Original Version" refers to the collection of Font Software components as
37
distributed by the Copyright Holder(s).
38
39
"Modified Version" refers to any derivative made by adding to, deleting,
40
or substituting -- in part or in whole -- any of the components of the
41
Original Version, by changing formats or by porting the Font Software to a
42
new environment.
43
44
"Author" refers to any designer, engineer, programmer, technical
45
writer or other person who contributed to the Font Software.
46
47
PERMISSION & CONDITIONS
48
Permission is hereby granted, free of charge, to any person obtaining
49
a copy of the Font Software, to use, study, copy, merge, embed, modify,
50
redistribute, and sell modified and unmodified copies of the Font
51
Software, subject to the following conditions:
52
53
1) Neither the Font Software nor any of its individual components,
54
in Original or Modified Versions, may be sold by itself.
55
56
2) Original or Modified Versions of the Font Software may be bundled,
57
redistributed and/or sold with any software, provided that each copy
58
contains the above copyright notice and this license. These can be
59
included either as stand-alone text files, human-readable headers or
60
in the appropriate machine-readable metadata fields within text or
61
binary files as long as those fields can be easily viewed by the user.
62
63
3) No Modified Version of the Font Software may use the Reserved Font
64
Name(s) unless explicit written permission is granted by the corresponding
65
Copyright Holder. This restriction only applies to the primary font name as
66
presented to the users.
67
68
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
69
Software shall not be used to promote, endorse or advertise any
70
Modified Version, except to acknowledge the contribution(s) of the
71
Copyright Holder(s) and the Author(s) or with their explicit written
72
permission.
73
74
5) The Font Software, modified or unmodified, in part or in whole,
75
must be distributed entirely under this license, and must not be
76
distributed under any other license. The requirement for fonts to
77
remain under this license does not apply to any document created
78
using the Font Software.
79
80
TERMINATION
81
This license becomes null and void if any of the above conditions are
82
not met.
83
84
DISCLAIMER
85
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
86
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
87
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
88
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
89
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
90
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
91
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
92
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
93
OTHER DEALINGS IN THE FONT SOFTWARE.
194
A licenses/fonts/SOURCE-SERIF-4.md
1
Copyright 2014-2019 Adobe (http://www.adobe.com/), with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of Adobe in the United States and/or other countries.
2
3
This Font Software is licensed under the SIL Open Font License, Version 1.1.
4
5
This license is copied below, and is also available with a FAQ at: http://scripts.sil.org/OFL
6
7
8
-----------------------------------------------------------
9
SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
10
-----------------------------------------------------------
11
12
PREAMBLE
13
The goals of the Open Font License (OFL) are to stimulate worldwide
14
development of collaborative font projects, to support the font creation
15
efforts of academic and linguistic communities, and to provide a free and
16
open framework in which fonts may be shared and improved in partnership
17
with others.
18
19
The OFL allows the licensed fonts to be used, studied, modified and
20
redistributed freely as long as they are not sold by themselves. The
21
fonts, including any derivative works, can be bundled, embedded,
22
redistributed and/or sold with any software provided that any reserved
23
names are not used by derivative works. The fonts and derivatives,
24
however, cannot be released under any other type of license. The
25
requirement for fonts to remain under this license does not apply
26
to any document created using the fonts or their derivatives.
27
28
DEFINITIONS
29
"Font Software" refers to the set of files released by the Copyright
30
Holder(s) under this license and clearly marked as such. This may
31
include source files, build scripts and documentation.
32
33
"Reserved Font Name" refers to any names specified as such after the
34
copyright statement(s).
35
36
"Original Version" refers to the collection of Font Software components as
37
distributed by the Copyright Holder(s).
38
39
"Modified Version" refers to any derivative made by adding to, deleting,
40
or substituting -- in part or in whole -- any of the components of the
41
Original Version, by changing formats or by porting the Font Software to a
42
new environment.
43
44
"Author" refers to any designer, engineer, programmer, technical
45
writer or other person who contributed to the Font Software.
46
47
PERMISSION & CONDITIONS
48
Permission is hereby granted, free of charge, to any person obtaining
49
a copy of the Font Software, to use, study, copy, merge, embed, modify,
50
redistribute, and sell modified and unmodified copies of the Font
51
Software, subject to the following conditions:
52
53
1) Neither the Font Software nor any of its individual components,
54
in Original or Modified Versions, may be sold by itself.
55
56
2) Original or Modified Versions of the Font Software may be bundled,
57
redistributed and/or sold with any software, provided that each copy
58
contains the above copyright notice and this license. These can be
59
included either as stand-alone text files, human-readable headers or
60
in the appropriate machine-readable metadata fields within text or
61
binary files as long as those fields can be easily viewed by the user.
62
63
3) No Modified Version of the Font Software may use the Reserved Font
64
Name(s) unless explicit written permission is granted by the corresponding
65
Copyright Holder. This restriction only applies to the primary font name as
66
presented to the users.
67
68
4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
69
Software shall not be used to promote, endorse or advertise any
70
Modified Version, except to acknowledge the contribution(s) of the
71
Copyright Holder(s) and the Author(s) or with their explicit written
72
permission.
73
74
5) The Font Software, modified or unmodified, in part or in whole,
75
must be distributed entirely under this license, and must not be
76
distributed under any other license. The requirement for fonts to
77
remain under this license does not apply to any document created
78
using the Font Software.
79
80
TERMINATION
81
This license becomes null and void if any of the above conditions are
82
not met.
83
84
DISCLAIMER
85
THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
86
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
87
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
88
OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
89
COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
90
INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
91
DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
92
FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
93
OTHER DEALINGS IN THE FONT SOFTWARE.
194
A logging/Main.java
1
package com.github.javaparser;
2
3
import com.github.javaparser.ast.CompilationUnit;
4
import com.github.javaparser.ast.body.MethodDeclaration;
5
import com.github.javaparser.ast.body.TypeDeclaration;
6
import com.github.javaparser.ast.stmt.BlockStmt;
7
import com.github.javaparser.ast.stmt.Statement;
8
9
import java.io.File;
10
import java.io.FileNotFoundException;
11
import java.util.List;
12
import java.util.Optional;
13
14
import static com.github.javaparser.StaticJavaParser.parseStatement;
15
import static java.lang.String.format;
16
17
public class Main {
18
  public static void main( final String[] args ) throws FileNotFoundException {
19
    final File sourceFile = new File( args[ 0 ] );
20
    final JavaParser parser = new JavaParser();
21
    final ParseResult<CompilationUnit> pr = parser.parse( sourceFile );
22
    final Optional<CompilationUnit> ocu = pr.getResult();
23
24
    if( ocu.isPresent() ) {
25
      final CompilationUnit cu = ocu.get();
26
      final List<TypeDeclaration<?>> types = cu.getTypes();
27
28
      for( final TypeDeclaration<?> type : types ) {
29
        final List<MethodDeclaration> methods = type.getMethods();
30
31
        for( final MethodDeclaration method : methods ) {
32
          final Optional<BlockStmt> body = method.getBody();
33
          final String m = format( "%s::%s( %s )",
34
                                   type.getNameAsString(),
35
                                   method.getNameAsString(),
36
                                   method.getParameters().toString() );
37
38
          final String mBegan = format(
39
              "System.out.println(\"BEGAN %s\");", m );
40
          final String mEnded = format(
41
              "System.out.println(\"ENDED %s\");", m );
42
43
          final Statement sBegan = parseStatement( mBegan );
44
          final Statement sEnded = parseStatement( mEnded );
45
46
          body.ifPresent( ( b ) -> {
47
            final int i = b.getStatements().size();
48
49
            b.addStatement( 0, sBegan );
50
51
            // Insert before any "return" statement.
52
            b.addStatement( i, sEnded );
53
          } );
54
        }
55
56
        System.out.println( cu.toString() );
57
      }
58
    }
59
  }
60
}
161
A logging/README.md
1
# Logging
2
3
The files in this directory can be used to log the entry/exit to every
4
method for debugging purposes. These changes are not meant to be pushed
5
onto the mainline branch (i.e., not for production use).
6
7
The instructions are relative to the directory containing these instructions.
8
9
# Build
10
11
If modifications to the existing JAR are needed, rebuild the changes
12
as follows:
13
14
    git clone https://github.com/javaparser/javaparser
15
    cd javaparser
16
    cp Main.java ./javaparser-core/src/main/java/com/github/javaparser/.
17
    mvn package -Dmaven.test.skip=true
18
    cp javaparser-core/target/javaparser-core-3.16.2-SNAPSHOT.jar jp.jar
19
20
The file `jp.jar` is built with `Main.class`.
21
22
# Usage
23
24
Run the `inject` script to replace the original files with the logging
25
versions.
26
27
# Revert
28
29
When finished building a debug version of the application, reset the repo
30
as follows:
31
32
    git reset --hard HEAD
33
134
A logging/inject
1
#!/usr/bin/env bash
2
3
echo "Parsing"
4
find ../src/main/java -type f -name "*.java" -exec \
5
  sh -c 'echo {}; java -cp jp.jar com.github.javaparser.Main {} > {}.jp' \;
6
7
echo "Renaming"
8
# The +10c ensures that files without code are skipped.
9
find ../src/main/java -type f -name "*.jp" -size +10c -exec \
10
  sh -c 'echo {}; mv {} $(dirname {})/$(basename {} .jp)' \;
11
112
A logging/jp.jar
Binary file
A release
1
#!/usr/bin/env bash
2
3
# ---------------------------------------------------------------------------
4
# This script builds Windows, Linux, and Java archive binaries for a
5
# release.
6
# ---------------------------------------------------------------------------
7
8
source $HOME/bin/build-template
9
10
readonly FILE_PROPERTIES="${SCRIPT_DIR}/src/main/resources/bootstrap.properties"
11
readonly BIN_INSTALLER="${SCRIPT_DIR}/installer"
12
13
DEPENDENCIES=(
14
  "gradle,https://gradle.org"
15
  "${FILE_PROPERTIES},File containing application name"
16
)
17
18
execute() {
19
  $log "Build Windows installer binary"
20
  ${BIN_INSTALLER} -o windows
21
22
  $log "Build Linux installer binary"
23
  ${BIN_INSTALLER} -o linux
24
25
  $log "Build Java archive"
26
  gradle clean jar
27
  mv "build/libs/${application_title}.jar" .
28
}
29
30
preprocess() {
31
  while IFS='=' read -r key value; do
32
    if [[ "${key}" = "" || "${key}" = "#"* ]]; then
33
      continue
34
    fi
35
36
    key=$(echo $key | tr '.' '_')
37
    eval ${key}=\${value}
38
  done < "${FILE_PROPERTIES}"
39
40
  application_title="${application_title,,}"
41
42
  return 1
43
}
44
45
main "$@"
46
147
A settings.gradle
11
A src/main/java/com/keenwrite/AbstractFileFactory.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.io.FileType;
5
6
import java.nio.file.Path;
7
8
import static com.keenwrite.Constants.GLOB_PREFIX_FILE;
9
import static com.keenwrite.Constants.sSettings;
10
import static com.keenwrite.io.FileType.UNKNOWN;
11
import static com.keenwrite.predicates.PredicateFactory.createFileTypePredicate;
12
13
/**
14
 * Provides common behaviours for factories that instantiate classes based on
15
 * file type.
16
 */
17
public abstract class AbstractFileFactory {
18
19
  /**
20
   * Determines the file type from the path extension. This should only be
21
   * called when it is known that the file type won't be a definition file
22
   * (e.g., YAML or other definition source), but rather an editable file
23
   * (e.g., Markdown, XML, etc.).
24
   *
25
   * @param path The path with a file name extension.
26
   * @return The FileType for the given path.
27
   */
28
  public static FileType lookup( final Path path ) {
29
    assert path != null;
30
31
    return lookup( path, GLOB_PREFIX_FILE );
32
  }
33
34
  /**
35
   * Creates a file type that corresponds to the given path.
36
   *
37
   * @param path   Reference to a variable definition file.
38
   * @param prefix One of GLOB_PREFIX_DEFINITION or GLOB_PREFIX_FILE.
39
   * @return The file type that corresponds to the given path.
40
   */
41
  protected static FileType lookup( final Path path, final String prefix ) {
42
    assert path != null;
43
    assert prefix != null;
44
45
    final var keys = sSettings.getKeys( prefix );
46
47
    var found = false;
48
    var fileType = UNKNOWN;
49
50
    while( keys.hasNext() && !found ) {
51
      final var key = keys.next();
52
      final var patterns = sSettings.getStringSettingList( key );
53
      final var predicate = createFileTypePredicate( patterns );
54
55
      if( found = predicate.test( path.toFile() ) ) {
56
        // Remove the EXTENSIONS_PREFIX to get the file name extension mapped
57
        // to a standard name (as defined in the settings.properties file).
58
        final String suffix = key.replace( prefix + '.', "" );
59
        fileType = FileType.from( suffix );
60
      }
61
    }
62
63
    return fileType;
64
  }
65
}
166
A src/main/java/com/keenwrite/Bootstrap.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import java.io.InputStream;
5
import java.util.Calendar;
6
import java.util.Properties;
7
8
/**
9
 * Responsible for loading the bootstrap.properties file, which is
10
 * tactically located outside of the standard resource reverse domain name
11
 * namespace to avoid hard-coding the application name in many places.
12
 * Instead, the application name is located in the bootstrap file, which is
13
 * then used to look-up the remaining settings.
14
 * <p>
15
 * See {@link Constants#PATH_PROPERTIES_SETTINGS} for details.
16
 * </p>
17
 */
18
public final class Bootstrap {
19
  /**
20
   * Order matters, this must be populated before deriving the app title.
21
   */
22
  private static final Properties P = new Properties();
23
24
  static {
25
    try( final var in = openResource( "/bootstrap.properties" ) ) {
26
      P.load( in );
27
    } catch( final Exception ignored ) {
28
      // Bootstrap properties cannot be found, throw in the towel.
29
    }
30
  }
31
32
  public static final String APP_TITLE = P.getProperty( "application.title" );
33
  public static final String APP_TITLE_LOWERCASE = APP_TITLE.toLowerCase();
34
  public static final String APP_VERSION = Launcher.getVersion();
35
  public static final String APP_YEAR = getYear();
36
37
  @SuppressWarnings( "SameParameterValue" )
38
  private static InputStream openResource( final String path ) {
39
    return Constants.class.getResourceAsStream( path );
40
  }
41
42
  private static String getYear() {
43
    return Integer.toString( Calendar.getInstance().get( Calendar.YEAR ) );
44
  }
45
}
146
A src/main/java/com/keenwrite/Caret.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.util.GenericBuilder;
5
import javafx.beans.value.ObservableValue;
6
import org.fxmisc.richtext.StyleClassedTextArea;
7
import org.fxmisc.richtext.model.Paragraph;
8
import org.reactfx.collection.LiveList;
9
10
import java.util.Collection;
11
12
import static com.keenwrite.Constants.STATUS_BAR_LINE;
13
import static com.keenwrite.Messages.get;
14
15
/**
16
 * Represents the absolute, relative, and maximum position of the caret. The
17
 * caret position is a character offset into the text.
18
 */
19
public class Caret {
20
21
  public static GenericBuilder<Caret.Mutator, Caret> builder() {
22
    return GenericBuilder.of( Caret.Mutator::new, Caret::new );
23
  }
24
25
  /**
26
   * Used for building a new {@link Caret} instance.
27
   */
28
  public static class Mutator {
29
    /**
30
     * Caret's current paragraph index (i.e., current caret line number).
31
     */
32
    private ObservableValue<Integer> mParagraph;
33
34
    /**
35
     * Used to count the number of lines in the text editor document.
36
     */
37
    private LiveList<Paragraph<Collection<String>, String,
38
      Collection<String>>> mParagraphs;
39
40
    /**
41
     * Caret offset into the full text, represented as a string index.
42
     */
43
    private ObservableValue<Integer> mTextOffset;
44
45
    /**
46
     * Caret offset into the current paragraph, represented as a string index.
47
     */
48
    private ObservableValue<Integer> mParaOffset;
49
50
    /**
51
     * Total number of characters in the document.
52
     */
53
    private ObservableValue<Integer> mTextLength;
54
55
    /**
56
     * Configures this caret position using properties from the given editor.
57
     *
58
     * @param editor The text editor that has a caret with position properties.
59
     */
60
    public void setEditor( final StyleClassedTextArea editor ) {
61
      mParagraph = editor.currentParagraphProperty();
62
      mParagraphs = editor.getParagraphs();
63
      mParaOffset = editor.caretColumnProperty();
64
      mTextOffset = editor.caretPositionProperty();
65
      mTextLength = editor.lengthProperty();
66
    }
67
  }
68
69
  private final Mutator mMutator;
70
71
  /**
72
   * Force using the builder pattern.
73
   */
74
  private Caret( final Mutator mutator ) {
75
    assert mutator != null;
76
77
    mMutator = mutator;
78
  }
79
80
  /**
81
   * Allows observers to be notified when the value of the caret changes.
82
   *
83
   * @return An observer for the caret's document offset.
84
   */
85
  public ObservableValue<Integer> textOffsetProperty() {
86
    return mMutator.mTextOffset;
87
  }
88
89
  /**
90
   * Answers whether the caret's offset into the text is between the given
91
   * offsets.
92
   *
93
   * @param began Starting value compared against the caret's text offset.
94
   * @param ended Ending value compared against the caret's text offset.
95
   * @return {@code true} when the caret's text offset is between the given
96
   * values, inclusively (for either value).
97
   */
98
  public boolean isBetweenText( final int began, final int ended ) {
99
    final var offset = getTextOffset();
100
    return began <= offset && offset <= ended;
101
  }
102
103
  /**
104
   * Answers whether the caret's offset into the paragraph is before the given
105
   * offset.
106
   *
107
   * @param offset Compared against the caret's paragraph offset.
108
   * @return {@code true} the caret's offset is before the given offset.
109
   */
110
  public boolean isBeforeColumn( final int offset ) {
111
    return getParaOffset() < offset;
112
  }
113
114
  /**
115
   * Answers whether the caret's offset into the text is before the given
116
   * text offset.
117
   *
118
   * @param offset Compared against the caret's text offset.
119
   * @return {@code true} the caret's offset is after the given offset.
120
   */
121
  public boolean isAfterColumn( final int offset ) {
122
    return getParaOffset() > offset;
123
  }
124
125
  /**
126
   * Answers whether the caret's offset into the text exceeds the length of
127
   * the text.
128
   *
129
   * @return {@code true} when the caret is at the end of the text boundary.
130
   */
131
  public boolean isAfterText() {
132
    return getTextOffset() >= getTextLength();
133
  }
134
135
  public boolean isAfter( final int offset ) {
136
    return offset >= getTextOffset();
137
  }
138
139
  private int getParagraph() {
140
    return mMutator.mParagraph.getValue();
141
  }
142
143
  /**
144
   * Returns the number of lines in the text editor.
145
   *
146
   * @return The size of the text editor's paragraph list plus one.
147
   */
148
  private int getParagraphCount() {
149
    return mMutator.mParagraphs.size() + 1;
150
  }
151
152
  /**
153
   * Returns the absolute position of the caret within the entire document.
154
   *
155
   * @return A zero-based index of the caret position.
156
   */
157
  private int getTextOffset() {
158
    return mMutator.mTextOffset.getValue();
159
  }
160
161
  /**
162
   * Returns the position of the caret within the current paragraph being
163
   * edited.
164
   *
165
   * @return A zero-based index of the caret position relative to the
166
   * current paragraph.
167
   */
168
  private int getParaOffset() {
169
    return mMutator.mParaOffset.getValue();
170
  }
171
172
  /**
173
   * Returns the total number of characters in the document being edited.
174
   *
175
   * @return A zero-based count of the total characters in the document.
176
   */
177
  private int getTextLength() {
178
    return mMutator.mTextLength.getValue();
179
  }
180
181
  /**
182
   * Returns a human-readable string that shows the current caret position
183
   * within the text. Typically this will include the current line number,
184
   * the number of lines, and the character offset into the text.
185
   * <p>
186
   * If the {@link Caret} has not been properly built, this will return a
187
   * string for the status bar having all values set to zero. This can happen
188
   * during unit testing, but should not happen any other time.
189
   * </p>
190
   *
191
   * @return A string to present to an end user.
192
   */
193
  @Override
194
  public String toString() {
195
    try {
196
      return get( STATUS_BAR_LINE,
197
                  getParagraph() + 1,
198
                  getParagraphCount(),
199
                  getTextOffset() + 1 );
200
    } catch( final Exception ex ) {
201
      return get( STATUS_BAR_LINE, 0, 0, 0 );
202
    }
203
  }
204
}
1205
A src/main/java/com/keenwrite/Constants.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.service.Settings;
5
import javafx.scene.control.ToolBar;
6
import javafx.scene.control.TreeItem;
7
import javafx.scene.image.Image;
8
import javafx.scene.image.ImageView;
9
10
import java.io.File;
11
import java.nio.charset.Charset;
12
import java.nio.file.Path;
13
import java.util.ArrayList;
14
import java.util.List;
15
import java.util.Locale;
16
17
import static com.keenwrite.Bootstrap.APP_TITLE_LOWERCASE;
18
import static com.keenwrite.preferences.LocaleScripts.withScript;
19
import static java.io.File.separator;
20
import static java.lang.String.format;
21
import static java.lang.System.getProperty;
22
23
/**
24
 * Defines application-wide default values.
25
 */
26
public final class Constants {
27
28
  /**
29
   * Used by the default settings to load the {@link Settings} service. This
30
   * must come before any attempt is made to create a {@link Settings} object.
31
   * The reference to {@link Bootstrap#APP_TITLE_LOWERCASE} should cause the
32
   * JVM to load {@link Bootstrap} prior to proceeding. Loading that class
33
   * beforehand will read the bootstrap properties file to determine the
34
   * application name, which is then used to locate the settings properties.
35
   */
36
  public static final String PATH_PROPERTIES_SETTINGS =
37
    format( "/com/%s/settings.properties", APP_TITLE_LOWERCASE );
38
39
  /**
40
   * The {@link Settings} uses {@link #PATH_PROPERTIES_SETTINGS}.
41
   */
42
  public static final Settings sSettings = Services.load( Settings.class );
43
44
  public static final double WINDOW_X_DEFAULT = 0;
45
  public static final double WINDOW_Y_DEFAULT = 0;
46
  public static final double WINDOW_W_DEFAULT = 1200;
47
  public static final double WINDOW_H_DEFAULT = 800;
48
49
  public static final File DOCUMENT_DEFAULT = getFile( "document" );
50
  public static final File DEFINITION_DEFAULT = getFile( "definition" );
51
52
  public static final String APP_BUNDLE_NAME = get( "application.messages" );
53
54
  public static final String STYLESHEET_APPLICATION_BASE =
55
    get( "file.stylesheet.application.base" );
56
  public static final String STYLESHEET_APPLICATION_THEME =
57
    get( "file.stylesheet.application.theme" );
58
  public static final String STYLESHEET_MARKDOWN =
59
    get( "file.stylesheet.markdown" );
60
  public static final String STYLESHEET_MARKDOWN_LOCALE =
61
    "file.stylesheet.markdown.locale";
62
  public static final String STYLESHEET_PREVIEW =
63
    get( "file.stylesheet.preview" );
64
  public static final String STYLESHEET_PREVIEW_LOCALE =
65
    "file.stylesheet.preview.locale";
66
67
  public static final List<Image> LOGOS = createImages(
68
    "file.logo.16",
69
    "file.logo.32",
70
    "file.logo.128",
71
    "file.logo.256",
72
    "file.logo.512"
73
  );
74
75
  public static final Image ICON_DIALOG = LOGOS.get( 1 );
76
  public static final ImageView ICON_DIALOG_NODE = new ImageView( ICON_DIALOG );
77
78
  public static final String FILE_PREFERENCES = getPreferencesFilename();
79
80
  /**
81
   * Refer to file name extension settings in the configuration file. Do not
82
   * terminate with a period.
83
   */
84
  public static final String GLOB_PREFIX_FILE = "file.ext";
85
86
  /**
87
   * Three parameters: line number, column number, and offset.
88
   */
89
  public static final String STATUS_BAR_LINE = "Main.status.line";
90
91
  public static final String STATUS_BAR_OK = "Main.status.state.default";
92
93
  /**
94
   * Used to show an error while parsing, usually syntactical.
95
   */
96
  public static final String STATUS_PARSE_ERROR = "Main.status.error.parse";
97
  public static final String STATUS_DEFINITION_BLANK =
98
    "Main.status.error.def.blank";
99
  public static final String STATUS_DEFINITION_EMPTY =
100
    "Main.status.error.def.empty";
101
102
  /**
103
   * One parameter: the word under the cursor that could not be found.
104
   */
105
  public static final String STATUS_DEFINITION_MISSING =
106
    "Main.status.error.def.missing";
107
108
  /**
109
   * Used when creating flat maps relating to resolved variables.
110
   */
111
  public static final int MAP_SIZE_DEFAULT = 128;
112
113
  /**
114
   * Default image extension order to use when scanning.
115
   */
116
  public static final String PERSIST_IMAGES_DEFAULT =
117
    get( "file.ext.image.order" );
118
119
  /**
120
   * Default working directory to use for R startup script.
121
   */
122
  public static final File USER_DIRECTORY =
123
    new File( System.getProperty( "user.dir" ) );
124
125
  public static final String NEWLINE = System.lineSeparator();
126
127
  /**
128
   * Default path to use for an untitled (pathless) file.
129
   */
130
  public static final Path DEFAULT_DIRECTORY = USER_DIRECTORY.toPath();
131
132
  /**
133
   * Default character set to use when reading/writing files.
134
   */
135
  public static final Charset DEFAULT_CHARSET = Charset.defaultCharset();
136
137
  /**
138
   * Default starting delimiter for definition variables. This value must
139
   * not overlap math delimiters, so do not use $ tokens as the first
140
   * delimiter.
141
   */
142
  public static final String DEF_DELIM_BEGAN_DEFAULT = "{{";
143
144
  /**
145
   * Default ending delimiter for definition variables.
146
   */
147
  public static final String DEF_DELIM_ENDED_DEFAULT = "}}";
148
149
  /**
150
   * Default starting delimiter when inserting R variables.
151
   */
152
  public static final String R_DELIM_BEGAN_DEFAULT = "x( ";
153
154
  /**
155
   * Default ending delimiter when inserting R variables.
156
   */
157
  public static final String R_DELIM_ENDED_DEFAULT = " )";
158
159
  /**
160
   * Resource directory where different language lexicons are located.
161
   */
162
  public static final String LEXICONS_DIRECTORY = "lexicons";
163
164
  /**
165
   * Absolute location of true type font files within the Java archive file.
166
   */
167
  public static final String FONT_DIRECTORY = "/fonts";
168
169
  /**
170
   * Default text editor font name.
171
   */
172
  public static final String FONT_NAME_EDITOR_DEFAULT = "Noto Sans Regular";
173
174
  /**
175
   * Default text editor font size, in points.
176
   */
177
  public static final float FONT_SIZE_EDITOR_DEFAULT = 12f;
178
179
  /**
180
   * Default preview font name.
181
   */
182
  public static final String FONT_NAME_PREVIEW_DEFAULT = "Source Serif 4";
183
184
  /**
185
   * Default preview font size, in points.
186
   */
187
  public static final float FONT_SIZE_PREVIEW_DEFAULT = 13f;
188
189
  /**
190
   * Default monospace preview font name.
191
   */
192
  public static final String FONT_NAME_PREVIEW_MONO_NAME_DEFAULT =
193
    "Source Code Pro";
194
195
  /**
196
   * Default monospace preview font size, in points.
197
   */
198
  public static final float FONT_SIZE_PREVIEW_MONO_SIZE_DEFAULT = 13f;
199
200
  /**
201
   * Default locale for font loading, including ISO 15924 alpha-4 script code.
202
   */
203
  public static final Locale LOCALE_DEFAULT = withScript( Locale.getDefault() );
204
205
  /**
206
   * Default CSS theme to apply (resolves to a minimal implementation).
207
   */
208
  public static final String THEME_DEFAULT = "Modena Light";
209
210
  /**
211
   * Custom CSS theme to apply.
212
   */
213
  public static final File THEME_CUSTOM_DEFAULT = null;
214
215
  /**
216
   * Default identifier to use for synchronized scrolling.
217
   */
218
  public static final String CARET_ID = "caret";
219
220
  /**
221
   * Default icon size for {@link ToolBar}, {@link TreeItem}s, etc.
222
   */
223
  public static final String ICON_SIZE_DEFAULT = "1.2em";
224
225
  /**
226
   * Default server name for rendering diagrams.
227
   * <p>
228
   * TODO: Make this a preference so that local installs are possible.
229
   */
230
  public static final String DIAGRAM_SERVER_NAME = "kroki.io";
231
232
  /**
233
   * Application action messages properties prefix.
234
   */
235
  public static final String ACTION_PREFIX = "Action.";
236
237
  /**
238
   * Prevent instantiation.
239
   */
240
  private Constants() {
241
  }
242
243
  /**
244
   * Converts from points to pixels because FlyingSaucer cannot handle points
245
   * properly. This is used to convert font sizes.
246
   *
247
   * @param points The points to convert to pixels.
248
   * @return The given number of points in equivalent pixels.
249
   */
250
  public static int toPixels( final double points ) {
251
    return (int) (points * (1 + 1 / 3f));
252
  }
253
254
  private static String get( final String key ) {
255
    return sSettings.getSetting( key, "" );
256
  }
257
258
  /**
259
   * Returns a default {@link File} instance based on the given key suffix.
260
   *
261
   * @param suffix Appended to {@code "file.default."}.
262
   * @return A new {@link File} instance that references the settings file name.
263
   */
264
  private static File getFile( final String suffix ) {
265
    return new File( get( "file.default." + suffix ) );
266
  }
267
268
  /**
269
   * Returns the equivalent of {@code $HOME/.filename.xml}.
270
   */
271
  private static String getPreferencesFilename() {
272
    return format(
273
      "%s%s.%s.xml",
274
      getProperty( "user.home" ),
275
      separator,
276
      APP_TITLE_LOWERCASE
277
    );
278
  }
279
280
  /**
281
   * Converts the given file names to images, such as application icons.
282
   *
283
   * @param keys The file names to convert to images.
284
   * @return The images loaded from the file name references.
285
   */
286
  private static List<Image> createImages( final String... keys ) {
287
    final List<Image> images = new ArrayList<>( keys.length );
288
289
    for( final var key : keys ) {
290
      images.add( new Image( get( key ) ) );
291
    }
292
293
    return images;
294
  }
295
}
1296
A src/main/java/com/keenwrite/DefinitionNameInjector.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.editors.TextDefinition;
5
import com.keenwrite.editors.TextEditor;
6
import com.keenwrite.editors.definition.DefinitionTreeItem;
7
import com.keenwrite.sigils.SigilOperator;
8
9
import static com.keenwrite.Constants.*;
10
import static com.keenwrite.events.StatusEvent.clue;
11
12
/**
13
 * Provides the logic for injecting variable names within the editor.
14
 */
15
public final class DefinitionNameInjector {
16
17
  /**
18
   * Prevent instantiation.
19
   */
20
  private DefinitionNameInjector() {
21
  }
22
23
  /**
24
   * Find a node that matches the current word and substitute the definition
25
   * reference.
26
   */
27
  public static void autoinsert(
28
    final TextEditor editor,
29
    final TextDefinition definitions,
30
    final SigilOperator operator ) {
31
    try {
32
      if( definitions.isEmpty() ) {
33
        clue( STATUS_DEFINITION_EMPTY );
34
      }
35
      else {
36
        final var indexes = editor.getCaretWord();
37
        final var word = editor.getText( indexes );
38
39
        if( word.isBlank() ) {
40
          clue( STATUS_DEFINITION_BLANK );
41
        }
42
        else {
43
          final var leaf = findLeaf( definitions, word );
44
45
          if( leaf == null ) {
46
            clue( STATUS_DEFINITION_MISSING, word );
47
          }
48
          else {
49
            final var entokened = operator.entoken( leaf.toPath() );
50
            editor.replaceText( indexes, operator.apply( entokened ) );
51
            definitions.expand( leaf );
52
          }
53
        }
54
      }
55
    } catch( final Exception ex ) {
56
      clue( STATUS_DEFINITION_BLANK, ex );
57
    }
58
  }
59
60
  /**
61
   * Looks for the given word, matching first by exact, next by a starts-with
62
   * condition with diacritics replaced, then by containment.
63
   *
64
   * @param word Match the word by: exact, beginning, containment, or other.
65
   */
66
  @SuppressWarnings( "ConstantConditions" )
67
  private static DefinitionTreeItem<String> findLeaf(
68
    final TextDefinition definition, final String word ) {
69
    assert word != null;
70
71
    DefinitionTreeItem<String> leaf = null;
72
73
    leaf = leaf == null ? definition.findLeafExact( word ) : leaf;
74
    leaf = leaf == null ? definition.findLeafStartsWith( word ) : leaf;
75
    leaf = leaf == null ? definition.findLeafContains( word ) : leaf;
76
    leaf = leaf == null ? definition.findLeafContainsNoCase( word ) : leaf;
77
78
    return leaf;
79
  }
80
}
181
A src/main/java/com/keenwrite/ExportFormat.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import java.io.File;
5
import java.nio.file.Path;
6
7
import static org.apache.commons.io.FilenameUtils.removeExtension;
8
9
/**
10
 * Provides controls for processor behaviour when transforming input documents.
11
 */
12
public enum ExportFormat {
13
14
  /**
15
   * For HTML exports, encode TeX as SVG. Treat image links relatively.
16
   */
17
  HTML_TEX_SVG( ".html" ),
18
19
  /**
20
   * For HTML exports, encode TeX using {@code $} delimiters, suitable for
21
   * rendering by an external TeX typesetting engine (or online with KaTeX).
22
   * Treat image links relatively.
23
   */
24
  HTML_TEX_DELIMITED( ".html" ),
25
26
  /**
27
   * Indicates that the processors should export to a Markdown format.
28
   * Treat image links relatively.
29
   */
30
  MARKDOWN_PLAIN( ".out.md" ),
31
32
  /**
33
   * Indicates no special export format is to be created. No extension is
34
   * applicable. Image links must use absolute directories.
35
   */
36
  NONE( "" );
37
38
  /**
39
   * Preferred file name extension for the given file type.
40
   */
41
  private final String mExtension;
42
43
  ExportFormat( final String extension ) {
44
    mExtension = extension;
45
  }
46
47
  /**
48
   * Returns the given {@link File} with its extension replaced by one that
49
   * matches this {@link ExportFormat} extension.
50
   *
51
   * @param file The file to perform an extension swap.
52
   * @return The given file with its extension replaced.
53
   */
54
  public File toExportFilename( final File file ) {
55
    return new File( removeExtension( file.getName() ) + mExtension );
56
  }
57
58
  /**
59
   * Delegates to {@link #toExportFilename(File)} after converting the given
60
   * {@link Path} to an instance of {@link File}.
61
   *
62
   * @param path The {@link Path} to convert to a {@link File}.
63
   * @return The given path with its extension replaced.
64
   */
65
  public File toExportFilename( final Path path ) {
66
    return toExportFilename( path.toFile() );
67
  }
68
}
169
A src/main/java/com/keenwrite/Launcher.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import java.io.IOException;
5
import java.io.InputStream;
6
import java.util.Properties;
7
8
import static com.keenwrite.Bootstrap.*;
9
import static java.lang.String.format;
10
11
/**
12
 * Launches the application using the {@link MainApp} class.
13
 *
14
 * <p>
15
 * This is required until modules are implemented, which may never happen
16
 * because the application should be ported away from Java and JavaFX.
17
 * </p>
18
 */
19
public final class Launcher {
20
  /**
21
   * Delegates to the application entry point.
22
   *
23
   * @param args Command-line arguments.
24
   */
25
  public static void main( final String[] args ) {
26
    showAppInfo();
27
    MainApp.main( args );
28
  }
29
30
  @SuppressWarnings("RedundantStringFormatCall")
31
  private static void showAppInfo() {
32
    out( format( "%s version %s", APP_TITLE, APP_VERSION ) );
33
    out( format( "Copyright 2016-%s White Magic Software, Ltd.", APP_YEAR ) );
34
    out( format( "Portions copyright 2015-2020 Karl Tauber." ) );
35
  }
36
37
  private static void out( final String s ) {
38
    System.out.println( s );
39
  }
40
41
  /**
42
   * Returns the application version number retrieved from the application
43
   * properties file. The properties file is generated at build time, which
44
   * keys off the repository.
45
   *
46
   * @return The application version number.
47
   * @throws RuntimeException An {@link IOException} occurred.
48
   */
49
  public static String getVersion() {
50
    try {
51
      final var properties = loadProperties( "app.properties" );
52
      return properties.getProperty( "application.version" );
53
    } catch( final Exception ex ) {
54
      throw new RuntimeException( ex );
55
    }
56
  }
57
58
  @SuppressWarnings("SameParameterValue")
59
  private static Properties loadProperties( final String resource )
60
    throws IOException {
61
    final var properties = new Properties();
62
    properties.load( getResourceAsStream( getResourceName( resource ) ) );
63
    return properties;
64
  }
65
66
  private static String getResourceName( final String resource ) {
67
    return format( "%s/%s", getPackagePath(), resource );
68
  }
69
70
  private static String getPackagePath() {
71
    return Launcher.class.getPackageName().replace( '.', '/' );
72
  }
73
74
  private static InputStream getResourceAsStream( final String resource ) {
75
    return Launcher.class.getClassLoader().getResourceAsStream( resource );
76
  }
77
}
178
A src/main/java/com/keenwrite/MainApp.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.preferences.Workspace;
5
import javafx.application.Application;
6
import javafx.event.Event;
7
import javafx.event.EventType;
8
import javafx.scene.input.KeyCode;
9
import javafx.scene.input.KeyEvent;
10
import javafx.stage.Stage;
11
12
import java.util.function.BooleanSupplier;
13
import java.util.logging.LogManager;
14
15
import static com.keenwrite.Bootstrap.APP_TITLE;
16
import static com.keenwrite.Constants.LOGOS;
17
import static com.keenwrite.preferences.WorkspaceKeys.*;
18
import static com.keenwrite.util.FontLoader.initFonts;
19
import static javafx.scene.input.KeyCode.ALT;
20
import static javafx.scene.input.KeyCode.F11;
21
import static javafx.scene.input.KeyEvent.KEY_PRESSED;
22
import static javafx.scene.input.KeyEvent.KEY_RELEASED;
23
24
/**
25
 * Application entry point. The application allows users to edit plain text
26
 * files in a markup notation and see a real-time preview of the formatted
27
 * output.
28
 */
29
public final class MainApp extends Application {
30
31
  private Workspace mWorkspace;
32
  private MainScene mMainScene;
33
34
  /**
35
   * Application entry point.
36
   *
37
   * @param args Command-line arguments.
38
   */
39
  public static void main( final String[] args ) {
40
    disableLogging();
41
    launch( args );
42
  }
43
44
  /**
45
   * Suppress logging to standard output and standard error.
46
   */
47
  private static void disableLogging() {
48
    LogManager.getLogManager().reset();
49
    System.err.close();
50
  }
51
52
  /**
53
   * JavaFX entry point.
54
   *
55
   * @param stage The primary application stage.
56
   */
57
  @Override
58
  public void start( final Stage stage ) {
59
    // Must be instantiated after the UI is initialized (i.e., not in main).
60
    mWorkspace = new Workspace();
61
62
    initFonts();
63
    initState( stage );
64
    initStage( stage );
65
    initIcons( stage );
66
    initScene( stage );
67
68
    stage.show();
69
  }
70
71
  private void initState( final Stage stage ) {
72
    final var enable = createBoundsEnabledSupplier( stage );
73
74
    stage.setX( mWorkspace.toDouble( KEY_UI_WINDOW_X ) );
75
    stage.setY( mWorkspace.toDouble( KEY_UI_WINDOW_Y ) );
76
    stage.setWidth( mWorkspace.toDouble( KEY_UI_WINDOW_W ) );
77
    stage.setHeight( mWorkspace.toDouble( KEY_UI_WINDOW_H ) );
78
    stage.setMaximized( mWorkspace.toBoolean( KEY_UI_WINDOW_MAX ) );
79
    stage.setFullScreen( mWorkspace.toBoolean( KEY_UI_WINDOW_FULL ) );
80
81
    mWorkspace.listen( KEY_UI_WINDOW_X, stage.xProperty(), enable );
82
    mWorkspace.listen( KEY_UI_WINDOW_Y, stage.yProperty(), enable );
83
    mWorkspace.listen( KEY_UI_WINDOW_W, stage.widthProperty(), enable );
84
    mWorkspace.listen( KEY_UI_WINDOW_H, stage.heightProperty(), enable );
85
    mWorkspace.listen( KEY_UI_WINDOW_MAX, stage.maximizedProperty() );
86
    mWorkspace.listen( KEY_UI_WINDOW_FULL, stage.fullScreenProperty() );
87
  }
88
89
  private void initStage( final Stage stage ) {
90
    stage.setTitle( APP_TITLE );
91
    stage.addEventHandler( KEY_PRESSED, event -> {
92
      if( F11.equals( event.getCode() ) ) {
93
        stage.setFullScreen( !stage.isFullScreen() );
94
      }
95
    } );
96
97
    // After the app loses focus, when the user switches back using Alt+Tab,
98
    // the menu mnemonic is sometimes engaged, swallowing the first letter that
99
    // the user types---if it is a menu mnemonic. See MainScene::createScene().
100
    //
101
    // JavaFX Bug: https://bugs.openjdk.java.net/browse/JDK-8090647
102
    stage.focusedProperty().addListener( ( c, lost, show ) -> {
103
      for( final var menu : mMainScene.getMenuBar().getMenus() ) {
104
        menu.hide();
105
      }
106
107
      for( final var mnemonics : stage.getScene().getMnemonics().values() ) {
108
        for( final var mnemonic : mnemonics ) {
109
          mnemonic.getNode().fireEvent( keyUp( ALT ) );
110
        }
111
      }
112
    } );
113
  }
114
115
  private void initIcons( final Stage stage ) {
116
    stage.getIcons().addAll( LOGOS );
117
  }
118
119
  private void initScene( final Stage stage ) {
120
    mMainScene = new MainScene( mWorkspace );
121
    stage.setScene( mMainScene.getScene() );
122
  }
123
124
  /**
125
   * When the window is maximized, full screen, or iconified, prevent updating
126
   * the window bounds. This is used so that if the user exits the application
127
   * when full screen (or maximized), restarting the application will recall
128
   * the previous bounds, allowing for continuity of expected behaviour.
129
   *
130
   * @param stage The window to check for "normal" status.
131
   * @return {@code false} when the bounds must not be changed, ergo persisted.
132
   */
133
  private BooleanSupplier createBoundsEnabledSupplier( final Stage stage ) {
134
    return () ->
135
      !(stage.isMaximized() || stage.isFullScreen() || stage.isIconified());
136
  }
137
138
  public static Event keyDown( final KeyCode code, final boolean shift ) {
139
    return keyEvent( KEY_PRESSED, code, shift );
140
  }
141
142
  public static Event keyUp( final KeyCode code, final boolean shift ) {
143
    return keyEvent( KEY_RELEASED, code, shift );
144
  }
145
146
  /**
147
   * Returns a key released event without any modifier keys held.
148
   *
149
   * @param code The key code representing a key to simulate releasing.
150
   * @return An instance of {@link KeyEvent}.
151
   */
152
  public static Event keyUp( final KeyCode code ) {
153
    return keyUp( code, false );
154
  }
155
156
  private static Event keyEvent(
157
    final EventType<KeyEvent> type, final KeyCode code, final boolean shift ) {
158
    return new KeyEvent(
159
      type, "", "", code, shift, false, false, false
160
    );
161
  }
162
}
1163
A src/main/java/com/keenwrite/MainPane.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.editors.TextDefinition;
5
import com.keenwrite.editors.TextEditor;
6
import com.keenwrite.editors.TextResource;
7
import com.keenwrite.editors.definition.DefinitionEditor;
8
import com.keenwrite.editors.definition.TreeTransformer;
9
import com.keenwrite.editors.definition.yaml.YamlTreeTransformer;
10
import com.keenwrite.editors.markdown.MarkdownEditor;
11
import com.keenwrite.events.CaretNavigationEvent;
12
import com.keenwrite.events.FileOpenEvent;
13
import com.keenwrite.events.TextDefinitionFocusEvent;
14
import com.keenwrite.events.TextEditorFocusEvent;
15
import com.keenwrite.io.MediaType;
16
import com.keenwrite.preferences.Key;
17
import com.keenwrite.preferences.Workspace;
18
import com.keenwrite.preview.HtmlPanel;
19
import com.keenwrite.preview.HtmlPreview;
20
import com.keenwrite.processors.Processor;
21
import com.keenwrite.processors.ProcessorContext;
22
import com.keenwrite.processors.ProcessorFactory;
23
import com.keenwrite.processors.markdown.extensions.CaretExtension;
24
import com.keenwrite.service.events.Notifier;
25
import com.keenwrite.sigils.RSigilOperator;
26
import com.keenwrite.sigils.SigilOperator;
27
import com.keenwrite.sigils.Tokens;
28
import com.keenwrite.sigils.YamlSigilOperator;
29
import com.keenwrite.ui.heuristics.DocumentStatistics;
30
import com.keenwrite.ui.outline.DocumentOutline;
31
import com.panemu.tiwulfx.control.dock.DetachableTab;
32
import com.panemu.tiwulfx.control.dock.DetachableTabPane;
33
import javafx.application.Platform;
34
import javafx.beans.property.*;
35
import javafx.collections.ListChangeListener;
36
import javafx.event.ActionEvent;
37
import javafx.event.Event;
38
import javafx.event.EventHandler;
39
import javafx.scene.Node;
40
import javafx.scene.Scene;
41
import javafx.scene.control.SplitPane;
42
import javafx.scene.control.Tab;
43
import javafx.scene.control.TabPane;
44
import javafx.scene.control.Tooltip;
45
import javafx.scene.control.TreeItem.TreeModificationEvent;
46
import javafx.scene.input.KeyEvent;
47
import javafx.stage.Stage;
48
import javafx.stage.Window;
49
import org.greenrobot.eventbus.Subscribe;
50
51
import java.io.File;
52
import java.io.FileNotFoundException;
53
import java.nio.file.Path;
54
import java.util.*;
55
import java.util.concurrent.atomic.AtomicBoolean;
56
import java.util.function.Function;
57
import java.util.stream.Collectors;
58
59
import static com.keenwrite.Constants.*;
60
import static com.keenwrite.ExportFormat.NONE;
61
import static com.keenwrite.Messages.get;
62
import static com.keenwrite.events.Bus.register;
63
import static com.keenwrite.events.StatusEvent.clue;
64
import static com.keenwrite.io.MediaType.*;
65
import static com.keenwrite.preferences.WorkspaceKeys.*;
66
import static com.keenwrite.processors.IdentityProcessor.IDENTITY;
67
import static com.keenwrite.processors.ProcessorFactory.createProcessors;
68
import static java.util.stream.Collectors.groupingBy;
69
import static javafx.application.Platform.runLater;
70
import static javafx.scene.control.ButtonType.NO;
71
import static javafx.scene.control.ButtonType.YES;
72
import static javafx.scene.control.TabPane.TabClosingPolicy.ALL_TABS;
73
import static javafx.scene.input.KeyCode.SPACE;
74
import static javafx.scene.input.KeyCombination.CONTROL_DOWN;
75
import static javafx.util.Duration.millis;
76
import static javax.swing.SwingUtilities.invokeLater;
77
import static org.fxmisc.wellbehaved.event.EventPattern.keyPressed;
78
79
/**
80
 * Responsible for wiring together the main application components for a
81
 * particular workspace (project). These include the definition views,
82
 * text editors, and preview pane along with any corresponding controllers.
83
 */
84
public final class MainPane extends SplitPane {
85
  private static final Notifier sNotifier = Services.load( Notifier.class );
86
87
  /**
88
   * Used when opening files to determine how each file should be binned and
89
   * therefore what tab pane to be opened within.
90
   */
91
  private static final Set<MediaType> PLAIN_TEXT_FORMAT = Set.of(
92
    TEXT_MARKDOWN, TEXT_R_MARKDOWN, TEXT_R_XML, UNDEFINED
93
  );
94
95
  /**
96
   * Prevents re-instantiation of processing classes.
97
   */
98
  private final Map<TextResource, Processor<String>> mProcessors =
99
    new HashMap<>();
100
101
  private final Workspace mWorkspace;
102
103
  /**
104
   * Groups similar file type tabs together.
105
   */
106
  private final Map<MediaType, TabPane> mTabPanes = new HashMap<>();
107
108
  /**
109
   * Stores definition names and values.
110
   */
111
  private final Map<String, String> mResolvedMap =
112
    new HashMap<>( MAP_SIZE_DEFAULT );
113
114
  /**
115
   * Renders the actively selected plain text editor tab.
116
   */
117
  private final HtmlPreview mPreview;
118
119
  /**
120
   * Provides an interactive document outline.
121
   */
122
  private final DocumentOutline mOutline = new DocumentOutline();
123
124
  /**
125
   * Changing the active editor fires the value changed event. This allows
126
   * refreshes to happen when external definitions are modified and need to
127
   * trigger the processing chain.
128
   */
129
  private final ObjectProperty<TextEditor> mActiveTextEditor =
130
    createActiveTextEditor();
131
132
  /**
133
   * Changing the active definition editor fires the value changed event. This
134
   * allows refreshes to happen when external definitions are modified and need
135
   * to trigger the processing chain.
136
   */
137
  private final ObjectProperty<TextDefinition> mActiveDefinitionEditor =
138
    createActiveDefinitionEditor( mActiveTextEditor );
139
140
  /**
141
   * Tracks the number of detached tab panels opened into their own windows,
142
   * which allows unique identification of subordinate windows by their title.
143
   * It is doubtful more than 128 windows, much less 256, will be created.
144
   */
145
  private byte mWindowCount;
146
147
  /**
148
   * Called when the definition data is changed.
149
   */
150
  private final EventHandler<TreeModificationEvent<Event>> mTreeHandler =
151
    event -> {
152
      final var editor = mActiveDefinitionEditor.get();
153
154
      resolve( editor );
155
      process( getActiveTextEditor() );
156
      save( editor );
157
    };
158
159
  private final DocumentStatistics mStatistics;
160
161
  /**
162
   * Adds all content panels to the main user interface. This will load the
163
   * configuration settings from the workspace to reproduce the settings from
164
   * a previous session.
165
   */
166
  public MainPane( final Workspace workspace ) {
167
    mWorkspace = workspace;
168
    mPreview = new HtmlPreview( workspace );
169
    mStatistics = new DocumentStatistics( workspace );
170
171
    open( bin( getRecentFiles() ) );
172
    viewPreview();
173
    setDividerPositions( calculateDividerPositions() );
174
175
    // Once the main scene's window regains focus, update the active definition
176
    // editor to the currently selected tab.
177
    runLater(
178
      () -> getWindow().setOnCloseRequest( ( event ) -> {
179
        // Order matters here. We want to close all the tabs to ensure each
180
        // is saved, but after they are closed, the workspace should still
181
        // retain the list of files that were open. If this line came after
182
        // closing, then restarting the application would list no files.
183
        mWorkspace.save();
184
185
        if( closeAll() ) {
186
          Platform.exit();
187
          System.exit( 0 );
188
        }
189
        else {
190
          event.consume();
191
        }
192
      } )
193
    );
194
195
    register( this );
196
  }
197
198
  @Subscribe
199
  public void handle( final TextEditorFocusEvent event ) {
200
    mActiveTextEditor.set( event.get() );
201
  }
202
203
  @Subscribe
204
  public void handle( final TextDefinitionFocusEvent event ) {
205
    mActiveDefinitionEditor.set( event.get() );
206
  }
207
208
  /**
209
   * Typically called when a file name is clicked in the {@link HtmlPanel}.
210
   *
211
   * @param event The event to process, must contain a valid file reference.
212
   */
213
  @Subscribe
214
  public void handle( final FileOpenEvent event ) {
215
    final File eventFile;
216
    final var eventUri = event.getUri();
217
218
    if( eventUri.isAbsolute() ) {
219
      eventFile = new File( eventUri.getPath() );
220
    }
221
    else {
222
      final var activeFile = getActiveTextEditor().getFile();
223
      final var parent = activeFile.getParentFile();
224
225
      if( parent == null ) {
226
        clue( new FileNotFoundException( eventUri.getPath() ) );
227
        return;
228
      }
229
      else {
230
        final var parentPath = parent.getAbsolutePath();
231
        eventFile = Path.of( parentPath, eventUri.getPath() ).toFile();
232
      }
233
    }
234
235
    runLater( () -> open( eventFile ) );
236
  }
237
238
  @Subscribe
239
  public void handle( final CaretNavigationEvent event ) {
240
    runLater( () -> {
241
      final var textArea = getActiveTextEditor().getTextArea();
242
      textArea.moveTo( event.getOffset() );
243
      textArea.requestFollowCaret();
244
      textArea.requestFocus();
245
    } );
246
  }
247
248
  /**
249
   * TODO: Load divider positions from exported settings, see bin() comment.
250
   */
251
  private double[] calculateDividerPositions() {
252
    final var ratio = 100f / getItems().size() / 100;
253
    final var positions = getDividerPositions();
254
255
    for( int i = 0; i < positions.length; i++ ) {
256
      positions[ i ] = ratio * i;
257
    }
258
259
    return positions;
260
  }
261
262
  /**
263
   * Opens all the files into the application, provided the paths are unique.
264
   * This may only be called for any type of files that a user can edit
265
   * (i.e., update and persist), such as definitions and text files.
266
   *
267
   * @param files The list of files to open.
268
   */
269
  public void open( final List<File> files ) {
270
    files.forEach( this::open );
271
  }
272
273
  /**
274
   * This opens the given file. Since the preview pane is not a file that
275
   * can be opened, it is safe to add a listener to the detachable pane.
276
   *
277
   * @param file The file to open.
278
   */
279
  private void open( final File file ) {
280
    final var tab = createTab( file );
281
    final var node = tab.getContent();
282
    final var mediaType = MediaType.valueFrom( file );
283
    final var tabPane = obtainTabPane( mediaType );
284
285
    tab.setTooltip( createTooltip( file ) );
286
    tabPane.setFocusTraversable( false );
287
    tabPane.setTabClosingPolicy( ALL_TABS );
288
    tabPane.getTabs().add( tab );
289
290
    // Attach the tab scene factory for new tab panes.
291
    if( !getItems().contains( tabPane ) ) {
292
      addTabPane(
293
        node instanceof TextDefinition ? 0 : getItems().size(), tabPane
294
      );
295
    }
296
297
    getRecentFiles().add( file.getAbsolutePath() );
298
  }
299
300
  /**
301
   * Opens a new text editor document using the default document file name.
302
   */
303
  public void newTextEditor() {
304
    open( DOCUMENT_DEFAULT );
305
  }
306
307
  /**
308
   * Opens a new definition editor document using the default definition
309
   * file name.
310
   */
311
  public void newDefinitionEditor() {
312
    open( DEFINITION_DEFAULT );
313
  }
314
315
  /**
316
   * Iterates over all tab panes to find all {@link TextEditor}s and request
317
   * that they save themselves.
318
   */
319
  public void saveAll() {
320
    mTabPanes.forEach(
321
      ( mt, tp ) -> tp.getTabs().forEach( ( tab ) -> {
322
        final var node = tab.getContent();
323
        if( node instanceof TextEditor ) {
324
          save( ((TextEditor) node) );
325
        }
326
      } )
327
    );
328
  }
329
330
  /**
331
   * Requests that the active {@link TextEditor} saves itself. Don't bother
332
   * checking if modified first because if the user swaps external media from
333
   * an external source (e.g., USB thumb drive), save should not second-guess
334
   * the user: save always re-saves. Also, it's less code.
335
   */
336
  public void save() {
337
    save( getActiveTextEditor() );
338
  }
339
340
  /**
341
   * Saves the active {@link TextEditor} under a new name.
342
   *
343
   * @param file The new active editor {@link File} reference.
344
   */
345
  public void saveAs( final File file ) {
346
    assert file != null;
347
    final var editor = getActiveTextEditor();
348
    final var tab = getTab( editor );
349
350
    editor.rename( file );
351
    tab.ifPresent( t -> {
352
      t.setText( editor.getFilename() );
353
      t.setTooltip( createTooltip( file ) );
354
    } );
355
356
    save();
357
  }
358
359
  /**
360
   * Saves the given {@link TextResource} to a file. This is typically used
361
   * to save either an instance of {@link TextEditor} or {@link TextDefinition}.
362
   *
363
   * @param resource The resource to export.
364
   */
365
  private void save( final TextResource resource ) {
366
    try {
367
      resource.save();
368
    } catch( final Exception ex ) {
369
      clue( ex );
370
      sNotifier.alert(
371
        getWindow(), resource.getPath(), "TextResource.saveFailed", ex
372
      );
373
    }
374
  }
375
376
  /**
377
   * Closes all open {@link TextEditor}s; all {@link TextDefinition}s stay open.
378
   *
379
   * @return {@code true} when all editors, modified or otherwise, were
380
   * permitted to close; {@code false} when one or more editors were modified
381
   * and the user requested no closing.
382
   */
383
  public boolean closeAll() {
384
    var closable = true;
385
386
    for( final var entry : mTabPanes.entrySet() ) {
387
      final var tabPane = entry.getValue();
388
      final var tabIterator = tabPane.getTabs().iterator();
389
390
      while( tabIterator.hasNext() ) {
391
        final var tab = tabIterator.next();
392
        final var resource = tab.getContent();
393
394
        // The definition panes auto-save, so being specific here prevents
395
        // closing the definitions in the situation where the user wants to
396
        // continue editing (i.e., possibly save unsaved work).
397
        if( !(resource instanceof TextEditor) ) {
398
          continue;
399
        }
400
401
        if( canClose( (TextEditor) resource ) ) {
402
          tabIterator.remove();
403
          close( tab );
404
        }
405
        else {
406
          closable = false;
407
        }
408
      }
409
    }
410
411
    return closable;
412
  }
413
414
  /**
415
   * Calls the tab's {@link Tab#getOnClosed()} handler to carry out a close
416
   * event.
417
   *
418
   * @param tab The {@link Tab} that was closed.
419
   */
420
  private void close( final Tab tab ) {
421
    final var handler = tab.getOnClosed();
422
423
    if( handler != null ) {
424
      handler.handle( new ActionEvent() );
425
    }
426
  }
427
428
  /**
429
   * Closes the active tab; delegates to {@link #canClose(TextResource)}.
430
   */
431
  public void close() {
432
    final var editor = getActiveTextEditor();
433
    if( canClose( editor ) ) {
434
      close( editor );
435
    }
436
  }
437
438
  /**
439
   * Closes the given {@link TextResource}. This must not be called from within
440
   * a loop that iterates over the tab panes using {@code forEach}, lest a
441
   * concurrent modification exception be thrown.
442
   *
443
   * @param resource The {@link TextResource} to close, without confirming with
444
   *                 the user.
445
   */
446
  private void close( final TextResource resource ) {
447
    getTab( resource ).ifPresent(
448
      ( tab ) -> {
449
        tab.getTabPane().getTabs().remove( tab );
450
        close( tab );
451
      }
452
    );
453
  }
454
455
  /**
456
   * Answers whether the given {@link TextResource} may be closed.
457
   *
458
   * @param editor The {@link TextResource} to try closing.
459
   * @return {@code true} when the editor may be closed; {@code false} when
460
   * the user has requested to keep the editor open.
461
   */
462
  private boolean canClose( final TextResource editor ) {
463
    final var editorTab = getTab( editor );
464
    final var canClose = new AtomicBoolean( true );
465
466
    if( editor.isModified() ) {
467
      final var filename = new StringBuilder();
468
      editorTab.ifPresent( ( tab ) -> filename.append( tab.getText() ) );
469
470
      final var message = sNotifier.createNotification(
471
        Messages.get( "Alert.file.close.title" ),
472
        Messages.get( "Alert.file.close.text" ),
473
        filename.toString()
474
      );
475
476
      final var dialog = sNotifier.createConfirmation( getWindow(), message );
477
478
      dialog.showAndWait().ifPresent(
479
        save -> canClose.set( save == YES ? editor.save() : save == NO )
480
      );
481
    }
482
483
    return canClose.get();
484
  }
485
486
  private ObjectProperty<TextEditor> createActiveTextEditor() {
487
    final var editor = new SimpleObjectProperty<TextEditor>();
488
489
    editor.addListener( ( c, o, n ) -> {
490
      if( n != null ) {
491
        mPreview.setBaseUri( n.getPath() );
492
        process( n );
493
      }
494
    } );
495
496
    return editor;
497
  }
498
499
  /**
500
   * Adds the HTML preview tab to its own, singular tab pane.
501
   */
502
  public void viewPreview() {
503
    viewTab( mPreview, TEXT_HTML, "Pane.preview.title" );
504
  }
505
506
  /**
507
   * Adds the document outline tab to its own, singular tab pane.
508
   */
509
  public void viewOutline() {
510
    viewTab( mOutline, APP_DOCUMENT_OUTLINE, "Pane.outline.title" );
511
  }
512
513
  public void viewStatistics() {
514
    viewTab( mStatistics, APP_DOCUMENT_STATISTICS, "Pane.statistics.title" );
515
  }
516
517
  private void viewTab(
518
    final Node node, final MediaType mediaType, final String key ) {
519
    final var tabPane = obtainTabPane( mediaType );
520
521
    for( final var tab : tabPane.getTabs() ) {
522
      if( tab.getContent() == node ) {
523
        return;
524
      }
525
    }
526
527
    tabPane.getTabs().add( createTab( get( key ), node ) );
528
    addTabPane( tabPane );
529
  }
530
531
  public void viewRefresh() {
532
    mPreview.refresh();
533
  }
534
535
  /**
536
   * Returns the tab that contains the given {@link TextEditor}.
537
   *
538
   * @param editor The {@link TextEditor} instance to find amongst the tabs.
539
   * @return The first tab having content that matches the given tab.
540
   */
541
  private Optional<Tab> getTab( final TextResource editor ) {
542
    return mTabPanes.values()
543
                    .stream()
544
                    .flatMap( pane -> pane.getTabs().stream() )
545
                    .filter( tab -> editor.equals( tab.getContent() ) )
546
                    .findFirst();
547
  }
548
549
  /**
550
   * Creates a new {@link DefinitionEditor} wrapped in a listener that
551
   * is used to detect when the active {@link DefinitionEditor} has changed.
552
   * Upon changing, the {@link #mResolvedMap} is updated and the active
553
   * text editor is refreshed.
554
   *
555
   * @param editor Text editor to update with the revised resolved map.
556
   * @return A newly configured property that represents the active
557
   * {@link DefinitionEditor}, never null.
558
   */
559
  private ObjectProperty<TextDefinition> createActiveDefinitionEditor(
560
    final ObjectProperty<TextEditor> editor ) {
561
    final var definitions = new SimpleObjectProperty<TextDefinition>();
562
    definitions.addListener( ( c, o, n ) -> {
563
      resolve( n == null ? createDefinitionEditor() : n );
564
      process( editor.get() );
565
    } );
566
567
    return definitions;
568
  }
569
570
  private Tab createTab( final String filename, final Node node ) {
571
    return new DetachableTab( filename, node );
572
  }
573
574
  private Tab createTab( final File file ) {
575
    final var r = createTextResource( file );
576
    final var tab = createTab( r.getFilename(), r.getNode() );
577
578
    r.modifiedProperty().addListener(
579
      ( c, o, n ) -> tab.setText( r.getFilename() + (n ? "*" : "") )
580
    );
581
582
    // This is called when either the tab is closed by the user clicking on
583
    // the tab's close icon or when closing (all) from the file menu.
584
    tab.setOnClosed(
585
      ( __ ) -> getRecentFiles().remove( file.getAbsolutePath() )
586
    );
587
588
    tab.tabPaneProperty().addListener( ( cPane, oPane, nPane ) -> {
589
      if( nPane != null ) {
590
        nPane.focusedProperty().addListener( ( c, o, n ) -> {
591
          if( n != null && n ) {
592
            final var selected = nPane.getSelectionModel().getSelectedItem();
593
            final var node = selected.getContent();
594
            node.requestFocus();
595
          }
596
        } );
597
      }
598
    } );
599
600
    return tab;
601
  }
602
603
  /**
604
   * Creates bins for the different {@link MediaType}s, which eventually are
605
   * added to the UI as separate tab panes. If ever a general-purpose scene
606
   * exporter is developed to serialize a scene to an FXML file, this could
607
   * be replaced by such a class.
608
   * <p>
609
   * When binning the files, this makes sure that at least one file exists
610
   * for every type. If the user has opted to close a particular type (such
611
   * as the definition pane), the view will suppressed elsewhere.
612
   * </p>
613
   * <p>
614
   * The order that the binned files are returned will be reflected in the
615
   * order that the corresponding panes are rendered in the UI.
616
   * </p>
617
   *
618
   * @param paths The file paths to bin according to their type.
619
   * @return An in-order list of files, first by structured definition files,
620
   * then by plain text documents.
621
   */
622
  private List<File> bin( final SetProperty<String> paths ) {
623
    // Treat all files destined for the text editor as plain text documents
624
    // so that they are added to the same pane. Grouping by TEXT_PLAIN is a
625
    // bit arbitrary, but means explicitly capturing TEXT_PLAIN isn't needed.
626
    final Function<MediaType, MediaType> bin =
627
      m -> PLAIN_TEXT_FORMAT.contains( m ) ? TEXT_PLAIN : m;
628
629
    // Create two groups: YAML files and plain text files.
630
    final var bins = paths
631
      .stream()
632
      .collect(
633
        groupingBy( path -> bin.apply( MediaType.valueFrom( path ) ) )
634
      );
635
636
    bins.putIfAbsent( TEXT_YAML, List.of( DEFINITION_DEFAULT.toString() ) );
637
    bins.putIfAbsent( TEXT_PLAIN, List.of( DOCUMENT_DEFAULT.toString() ) );
638
639
    final var result = new ArrayList<File>( paths.size() );
640
641
    // Ensure that the same types are listed together (keep insertion order).
642
    bins.forEach( ( mediaType, files ) -> result.addAll(
643
      files.stream().map( File::new ).collect( Collectors.toList() ) )
644
    );
645
646
    return result;
647
  }
648
649
  /**
650
   * Uses the given {@link TextDefinition} instance to update the
651
   * {@link #mResolvedMap}.
652
   *
653
   * @param editor A non-null, possibly empty definition editor.
654
   */
655
  private void resolve( final TextDefinition editor ) {
656
    assert editor != null;
657
658
    final var tokens = createDefinitionTokens();
659
    final var operator = new YamlSigilOperator( tokens );
660
    final var map = new HashMap<String, String>();
661
662
    editor.toMap().forEach( ( k, v ) -> map.put( operator.entoken( k ), v ) );
663
664
    mResolvedMap.clear();
665
    mResolvedMap.putAll( editor.interpolate( map, tokens ) );
666
  }
667
668
  /**
669
   * Force the active editor to update, which will cause the processor
670
   * to re-evaluate the interpolated definition map thereby updating the
671
   * preview pane.
672
   *
673
   * @param editor Contains the source document to update in the preview pane.
674
   */
675
  private void process( final TextEditor editor ) {
676
    // Ensure that these are run from within the Swing event dispatch thread
677
    // so that the text editor thread is immediately freed for caret movement.
678
    // This means that the preview will have a slight delay when catching up
679
    // to the caret position.
680
    invokeLater( () -> {
681
      final var processor = mProcessors.getOrDefault( editor, IDENTITY );
682
      processor.apply( editor == null ? "" : editor.getText() );
683
      mPreview.scrollTo( CARET_ID );
684
    } );
685
  }
686
687
  /**
688
   * Lazily creates a {@link TabPane} configured to listen for tab select
689
   * events. The tab pane is associated with a given media type so that
690
   * similar files can be grouped together.
691
   *
692
   * @param mediaType The media type to associate with the tab pane.
693
   * @return An instance of {@link TabPane} that will handle tab docking.
694
   */
695
  private TabPane obtainTabPane( final MediaType mediaType ) {
696
    return mTabPanes.computeIfAbsent(
697
      mediaType, ( mt ) -> createTabPane()
698
    );
699
  }
700
701
  /**
702
   * Creates an initialized {@link TabPane} instance.
703
   *
704
   * @return A new {@link TabPane} with all listeners configured.
705
   */
706
  private TabPane createTabPane() {
707
    final var tabPane = new DetachableTabPane();
708
709
    initStageOwnerFactory( tabPane );
710
    initTabListener( tabPane );
711
712
    return tabPane;
713
  }
714
715
  /**
716
   * When any {@link DetachableTabPane} is detached from the main window,
717
   * the stage owner factory must be given its parent window, which will
718
   * own the child window. The parent window is the {@link MainPane}'s
719
   * {@link Scene}'s {@link Window} instance.
720
   *
721
   * <p>
722
   * This will derives the new title from the main window title, incrementing
723
   * the window count to help uniquely identify the child windows.
724
   * </p>
725
   *
726
   * @param tabPane A new {@link DetachableTabPane} to configure.
727
   */
728
  private void initStageOwnerFactory( final DetachableTabPane tabPane ) {
729
    tabPane.setStageOwnerFactory( ( stage ) -> {
730
      final var title = get(
731
        "Detach.tab.title",
732
        ((Stage) getWindow()).getTitle(), ++mWindowCount
733
      );
734
      stage.setTitle( title );
735
736
      return getScene().getWindow();
737
    } );
738
  }
739
740
  /**
741
   * Responsible for configuring the content of each {@link DetachableTab} when
742
   * it is added to the given {@link DetachableTabPane} instance.
743
   * <p>
744
   * For {@link TextEditor} contents, an instance of {@link ScrollEventHandler}
745
   * is initialized to perform synchronized scrolling between the editor and
746
   * its preview window. Additionally, the last tab in the tab pane's list of
747
   * tabs is given focus.
748
   * </p>
749
   * <p>
750
   * Note that multiple tabs can be added simultaneously.
751
   * </p>
752
   *
753
   * @param tabPane A new {@link TabPane} to configure.
754
   */
755
  private void initTabListener( final TabPane tabPane ) {
756
    tabPane.getTabs().addListener(
757
      ( final ListChangeListener.Change<? extends Tab> listener ) -> {
758
        while( listener.next() ) {
759
          if( listener.wasAdded() ) {
760
            final var tabs = listener.getAddedSubList();
761
762
            tabs.forEach( ( tab ) -> {
763
              final var node = tab.getContent();
764
765
              if( node instanceof TextEditor ) {
766
                initScrollEventListener( tab );
767
              }
768
            } );
769
770
            // Select and give focus to the last tab opened.
771
            final var index = tabs.size() - 1;
772
            if( index >= 0 ) {
773
              final var tab = tabs.get( index );
774
              tabPane.getSelectionModel().select( tab );
775
              tab.getContent().requestFocus();
776
            }
777
          }
778
        }
779
      }
780
    );
781
  }
782
783
  /**
784
   * Synchronizes scrollbar positions between the given {@link Tab} that
785
   * contains an instance of {@link TextEditor} and {@link HtmlPreview} pane.
786
   *
787
   * @param tab The container for an instance of {@link TextEditor}.
788
   */
789
  private void initScrollEventListener( final Tab tab ) {
790
    final var editor = (TextEditor) tab.getContent();
791
    final var scrollPane = editor.getScrollPane();
792
    final var scrollBar = mPreview.getVerticalScrollBar();
793
    final var handler = new ScrollEventHandler( scrollPane, scrollBar );
794
    handler.enabledProperty().bind( tab.selectedProperty() );
795
  }
796
797
  private void addTabPane( final int index, final TabPane tabPane ) {
798
    final var items = getItems();
799
    if( !items.contains( tabPane ) ) {
800
      items.add( index, tabPane );
801
    }
802
  }
803
804
  private void addTabPane( final TabPane tabPane ) {
805
    addTabPane( getItems().size(), tabPane );
806
  }
807
808
  public ProcessorContext createProcessorContext() {
809
    return createProcessorContext( NONE );
810
  }
811
812
  public ProcessorContext createProcessorContext( final ExportFormat format ) {
813
    final var editor = getActiveTextEditor();
814
    return createProcessorContext(
815
      editor.getPath(), editor.getCaret(), format );
816
  }
817
818
  /**
819
   * @param path  Used by {@link ProcessorFactory} to determine
820
   *              {@link Processor} type to create based on file type.
821
   * @param caret Used by {@link CaretExtension} to add ID attribute into
822
   *              preview document for scrollbar synchronization.
823
   * @return A new {@link ProcessorContext} to use when creating an instance of
824
   * {@link Processor}.
825
   */
826
  private ProcessorContext createProcessorContext(
827
    final Path path, final Caret caret, final ExportFormat format ) {
828
    return new ProcessorContext(
829
      mPreview, mResolvedMap, path, caret, format, mWorkspace
830
    );
831
  }
832
833
  private TextResource createTextResource( final File file ) {
834
    // TODO: Create PlainTextEditor that's returned by default.
835
    return MediaType.valueFrom( file ) == TEXT_YAML
836
      ? createDefinitionEditor( file )
837
      : createMarkdownEditor( file );
838
  }
839
840
  /**
841
   * Creates an instance of {@link MarkdownEditor} that listens for both
842
   * caret change events and text change events. Text change events must
843
   * take priority over caret change events because it's possible to change
844
   * the text without moving the caret (e.g., delete selected text).
845
   *
846
   * @param file The file containing contents for the text editor.
847
   * @return A non-null text editor.
848
   */
849
  private TextResource createMarkdownEditor( final File file ) {
850
    final var path = file.toPath();
851
    final var editor = new MarkdownEditor( file, getWorkspace() );
852
    final var caret = editor.getCaret();
853
    final var context = createProcessorContext( path, caret, NONE );
854
855
    mProcessors.computeIfAbsent( editor, p -> createProcessors( context ) );
856
857
    editor.addDirtyListener( ( c, o, n ) -> {
858
      if( n ) {
859
        // Reset the status to OK after changing the text.
860
        clue();
861
862
        // Processing the text will update the status bar.
863
        process( getActiveTextEditor() );
864
      }
865
    } );
866
867
    editor.addEventListener(
868
      keyPressed( SPACE, CONTROL_DOWN ), this::autoinsert
869
    );
870
871
    // Set the active editor, which refreshes the preview panel.
872
    mActiveTextEditor.set( editor );
873
874
    return editor;
875
  }
876
877
  /**
878
   * Delegates to {@link #autoinsert()}.
879
   *
880
   * @param event Ignored.
881
   */
882
  private void autoinsert( final KeyEvent event ) {
883
    autoinsert();
884
  }
885
886
  /**
887
   * Finds a node that matches the word at the caret, then inserts the
888
   * corresponding definition. The definition token delimiters depend on
889
   * the type of file being edited.
890
   */
891
  public void autoinsert() {
892
    final var definitions = getActiveTextDefinition();
893
    final var editor = getActiveTextEditor();
894
    final var mediaType = editor.getMediaType();
895
    final var operator = getSigilOperator( mediaType );
896
897
    DefinitionNameInjector.autoinsert( editor, definitions, operator );
898
  }
899
900
  private TextDefinition createDefinitionEditor() {
901
    return createDefinitionEditor( DEFINITION_DEFAULT );
902
  }
903
904
  private TextDefinition createDefinitionEditor( final File file ) {
905
    final var editor = new DefinitionEditor( file, createTreeTransformer() );
906
    editor.addTreeChangeHandler( mTreeHandler );
907
    return editor;
908
  }
909
910
  private TreeTransformer createTreeTransformer() {
911
    return new YamlTreeTransformer();
912
  }
913
914
  private Tooltip createTooltip( final File file ) {
915
    final var path = file.toPath();
916
    final var tooltip = new Tooltip( path.toString() );
917
918
    tooltip.setShowDelay( millis( 200 ) );
919
    return tooltip;
920
  }
921
922
  public TextEditor getActiveTextEditor() {
923
    return mActiveTextEditor.get();
924
  }
925
926
  public ReadOnlyObjectProperty<TextEditor> activeTextEditorProperty() {
927
    return mActiveTextEditor;
928
  }
929
930
  public TextDefinition getActiveTextDefinition() {
931
    return mActiveDefinitionEditor.get();
932
  }
933
934
  public Window getWindow() {
935
    return getScene().getWindow();
936
  }
937
938
  public Workspace getWorkspace() {
939
    return mWorkspace;
940
  }
941
942
  /**
943
   * Returns the sigil operator for the given {@link MediaType}.
944
   *
945
   * @param mediaType The type of file being edited.
946
   */
947
  private SigilOperator getSigilOperator( final MediaType mediaType ) {
948
    final var operator = new YamlSigilOperator( createDefinitionTokens() );
949
950
    return switch( mediaType ) {
951
      case TEXT_R_MARKDOWN, TEXT_R_XML -> new RSigilOperator(
952
        createRTokens(), operator );
953
      default -> operator;
954
    };
955
  }
956
957
  /**
958
   * Returns the set of file names opened in the application. The names must
959
   * be converted to {@link File} objects.
960
   *
961
   * @return A {@link Set} of file names.
962
   */
963
  private SetProperty<String> getRecentFiles() {
964
    return getWorkspace().setsProperty( KEY_UI_FILES_PATH );
965
  }
966
967
  private StringProperty stringProperty( final Key key ) {
968
    return getWorkspace().stringProperty( key );
969
  }
970
971
  private Tokens createRTokens() {
972
    return createTokens( KEY_R_DELIM_BEGAN, KEY_R_DELIM_ENDED );
973
  }
974
975
  private Tokens createDefinitionTokens() {
976
    return createTokens( KEY_DEF_DELIM_BEGAN, KEY_DEF_DELIM_ENDED );
977
  }
978
979
  private Tokens createTokens( final Key began, final Key ended ) {
980
    return new Tokens( stringProperty( began ), stringProperty( ended ) );
981
  }
982
}
1983
A src/main/java/com/keenwrite/MainScene.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.io.FileModifiedListener;
5
import com.keenwrite.io.FileWatchService;
6
import com.keenwrite.preferences.Workspace;
7
import com.keenwrite.ui.actions.ApplicationActions;
8
import com.keenwrite.ui.listeners.CaretListener;
9
import javafx.scene.Node;
10
import javafx.scene.Parent;
11
import javafx.scene.Scene;
12
import javafx.scene.control.MenuBar;
13
import javafx.scene.layout.BorderPane;
14
import javafx.scene.layout.VBox;
15
import org.controlsfx.control.StatusBar;
16
17
import java.io.File;
18
19
import static com.keenwrite.Constants.*;
20
import static com.keenwrite.Messages.get;
21
import static com.keenwrite.events.StatusEvent.clue;
22
import static com.keenwrite.preferences.ThemeProperty.toFilename;
23
import static com.keenwrite.preferences.WorkspaceKeys.*;
24
import static com.keenwrite.ui.actions.ApplicationBars.*;
25
import static javafx.application.Platform.runLater;
26
import static javafx.scene.input.KeyCode.ALT;
27
import static javafx.scene.input.KeyCode.ALT_GRAPH;
28
import static javafx.scene.input.KeyEvent.KEY_PRESSED;
29
30
/**
31
 * Responsible for creating the bar scene: menu bar, tool bar, and status bar.
32
 */
33
public final class MainScene {
34
  private final Scene mScene;
35
  private final MenuBar mMenuBar;
36
  private final Node mToolBar;
37
  private final StatusBar mStatusBar;
38
  private final FileWatchService mFileWatchService = new FileWatchService();
39
  private FileModifiedListener mStylesheetFileListener = event -> {};
40
41
  public MainScene( final Workspace workspace ) {
42
    final var mainPane = createMainPane( workspace );
43
    final var actions = createApplicationActions( mainPane );
44
    final var caretListener = createCaretListener( mainPane );
45
    mMenuBar = setManagedLayout( createMenuBar( actions ) );
46
    mToolBar = setManagedLayout( createToolBar() );
47
    mStatusBar = setManagedLayout( createStatusBar() );
48
49
    mStatusBar.getRightItems().add( caretListener );
50
51
    final var appPane = new BorderPane();
52
    appPane.setTop( new VBox( mMenuBar, mToolBar ) );
53
    appPane.setCenter( mainPane );
54
    appPane.setBottom( mStatusBar );
55
56
    final var watchThread = new Thread( mFileWatchService );
57
    watchThread.setDaemon( true );
58
    watchThread.start();
59
60
    mScene = createScene( appPane );
61
    initStylesheets( mScene, workspace );
62
  }
63
64
  /**
65
   * Called by the {@link MainApp} to get a handle on the {@link Scene}
66
   * created by an instance of {@link MainScene}.
67
   *
68
   * @return The {@link Scene} created at construction time.
69
   */
70
  public Scene getScene() {
71
    return mScene;
72
  }
73
74
  public void toggleMenuBar() {
75
    final var node = mMenuBar;
76
    node.setVisible( !node.isVisible() );
77
  }
78
79
  public void toggleToolBar() {
80
    final var node = mToolBar;
81
    node.setVisible( !node.isVisible() );
82
  }
83
84
  public void toggleStatusBar() {
85
    final var node = mStatusBar;
86
    node.setVisible( !node.isVisible() );
87
  }
88
89
  MenuBar getMenuBar() {
90
    return mMenuBar;
91
  }
92
93
  public StatusBar getStatusBar() { return mStatusBar; }
94
95
  private void initStylesheets( final Scene scene, final Workspace workspace ) {
96
    final var internal = workspace.themeProperty( KEY_UI_THEME_SELECTION );
97
    final var external = workspace.fileProperty( KEY_UI_THEME_CUSTOM );
98
    final var inTheme = internal.get();
99
    final var exTheme = external.get();
100
    applyStylesheets( scene, inTheme, exTheme );
101
102
    internal.addListener(
103
      ( c, o, n ) -> {
104
        if( n != null ) {
105
          applyStylesheets( scene, n, exTheme );
106
        }
107
      }
108
    );
109
110
    external.addListener(
111
      ( c, o, n ) -> {
112
        if( o != null ) {
113
          mFileWatchService.unregister( o );
114
        }
115
116
        if( n != null ) {
117
          try {
118
            applyStylesheets( scene, inTheme, n );
119
          } catch( final Exception ex ) {
120
            // Changes to the CSS file won't autoload, which is okay.
121
            clue( ex );
122
          }
123
        }
124
      }
125
    );
126
127
    mFileWatchService.removeListener( mStylesheetFileListener );
128
    mStylesheetFileListener = event ->
129
      runLater( () -> applyStylesheets( scene, inTheme, event.getFile() ) );
130
    mFileWatchService.addListener( mStylesheetFileListener );
131
  }
132
133
  private String getStylesheet( final String filename ) {
134
    return get( STYLESHEET_APPLICATION_THEME, filename );
135
  }
136
137
  /**
138
   * Clears then re-applies all the internal stylesheets.
139
   *
140
   * @param scene    The scene to stylize.
141
   * @param internal The CSS file name bundled with the application.
142
   * @param external The (optional) customized CSS file specified by the user.
143
   */
144
  private void applyStylesheets(
145
    final Scene scene, final String internal, final File external ) {
146
    final var stylesheets = scene.getStylesheets();
147
    stylesheets.clear();
148
    stylesheets.add( STYLESHEET_APPLICATION_BASE );
149
    stylesheets.add( STYLESHEET_MARKDOWN );
150
    stylesheets.add( getStylesheet( toFilename( internal ) ) );
151
152
    try {
153
      if( external != null && external.canRead() && !external.isDirectory() ) {
154
        stylesheets.add( external.toURI().toURL().toString() );
155
        mFileWatchService.register( external );
156
      }
157
    } catch( final Exception ex ) {
158
      clue( ex );
159
    }
160
  }
161
162
  private MainPane createMainPane( final Workspace workspace ) {
163
    return new MainPane( workspace );
164
  }
165
166
  private ApplicationActions createApplicationActions(
167
    final MainPane mainPane ) {
168
    return new ApplicationActions( this, mainPane );
169
  }
170
171
  /**
172
   * Creates the class responsible for updating the UI with the caret position
173
   * based on the active text editor.
174
   *
175
   * @return The {@link CaretListener} responsible for updating the
176
   * {@link StatusBar} whenever the caret changes position.
177
   */
178
  private CaretListener createCaretListener( final MainPane mainPane ) {
179
    return new CaretListener( mainPane.activeTextEditorProperty() );
180
  }
181
182
  /**
183
   * Creates a new scene that is attached to the given {@link Parent}.
184
   *
185
   * @param parent The container for the scene.
186
   * @return A scene to capture user interactions, UI styles, etc.
187
   */
188
  private Scene createScene( final Parent parent ) {
189
    final var scene = new Scene( parent );
190
191
    // After the app loses focus, when the user switches back using Alt+Tab,
192
    // the menu is sometimes engaged. See MainApp::initStage().
193
    //
194
    // JavaFX Bug: https://bugs.openjdk.java.net/browse/JDK-8090647
195
    scene.addEventHandler( KEY_PRESSED, event -> {
196
      // Only consume lone ALT key press events. If the modifier is used in
197
      // combination with another key, don't consume the event. First check
198
      // if ALT is down before getting the key code as a micro-optimization.
199
      if( event.isAltDown() ) {
200
        if( event.getCode() == ALT || event.getCode() == ALT_GRAPH ) {
201
          event.consume();
202
        }
203
      }
204
    } );
205
206
    return scene;
207
  }
208
209
  /**
210
   * Binds the visible property of the node to the managed property so that
211
   * hiding the node also removes the screen real estate that it occupies.
212
   * This allows the user to hide the menu bar, tool bar, etc.
213
   *
214
   * @param node The node to have its real estate bound to visibility.
215
   * @return The given node for fluent-like convenience.
216
   */
217
  private <T extends Node> T setManagedLayout( final T node ) {
218
    node.managedProperty().bind( node.visibleProperty() );
219
    return node;
220
  }
221
}
1222
A src/main/java/com/keenwrite/Messages.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import com.keenwrite.preferences.Key;
5
6
import java.text.MessageFormat;
7
import java.util.Enumeration;
8
import java.util.ResourceBundle;
9
import java.util.Stack;
10
11
import static com.keenwrite.Constants.APP_BUNDLE_NAME;
12
import static java.util.ResourceBundle.getBundle;
13
14
/**
15
 * Recursively resolves message properties. Property values can refer to other
16
 * properties using a <code>${var}</code> syntax.
17
 */
18
public final class Messages {
19
20
  private static final ResourceBundle RESOURCE_BUNDLE =
21
    getBundle( APP_BUNDLE_NAME );
22
23
  private Messages() {
24
  }
25
26
  /**
27
   * Return the value of a resource bundle value after having resolved any
28
   * references to other bundle variables.
29
   *
30
   * @param props The bundle containing resolvable properties.
31
   * @param s     The value for a key to resolve.
32
   * @return The value of the key with all references recursively dereferenced.
33
   */
34
  @SuppressWarnings( "SameParameterValue" )
35
  private static String resolve( final ResourceBundle props, final String s ) {
36
    final var len = s.length();
37
    final var stack = new Stack<StringBuilder>();
38
    var sb = new StringBuilder( 256 );
39
    var open = false;
40
41
    for( var i = 0; i < len; i++ ) {
42
      final var c = s.charAt( i );
43
44
      switch( c ) {
45
        case '$': {
46
          if( i + 1 < len && s.charAt( i + 1 ) == '{' ) {
47
            stack.push( sb );
48
49
            if( stack.size() > 20 ) {
50
              final var m = get( "Main.status.error.messages.recursion", s );
51
              throw new IllegalArgumentException( m );
52
            }
53
54
            sb = new StringBuilder( 256 );
55
            i++;
56
            open = true;
57
          }
58
59
          break;
60
        }
61
62
        case '}': {
63
          if( open ) {
64
            open = false;
65
            final var name = sb.toString();
66
67
            sb = stack.pop();
68
            sb.append( props.getString( name ) );
69
            break;
70
          }
71
        }
72
73
        default: {
74
          sb.append( c );
75
          break;
76
        }
77
      }
78
    }
79
80
    if( open ) {
81
      final var m = get( "Main.status.error.messages.syntax", s );
82
      throw new IllegalArgumentException( m );
83
    }
84
85
    return sb.toString();
86
  }
87
88
  /**
89
   * Returns the value for a key from the message bundle.
90
   *
91
   * @param key Retrieve the value for this key.
92
   * @return The value for the key.
93
   */
94
  public static String get( final String key ) {
95
    try {
96
      return resolve( RESOURCE_BUNDLE, RESOURCE_BUNDLE.getString( key ) );
97
    } catch( final Exception ignored ) {
98
      return key;
99
    }
100
  }
101
102
  /**
103
   * Returns the value for a key from the message bundle.
104
   *
105
   * @param key Retrieve the value for this key.
106
   * @return The value for the key.
107
   */
108
  public static String get( final Key key ) {
109
    return get( key.toString() );
110
  }
111
112
  public static String getLiteral( final String key ) {
113
    return RESOURCE_BUNDLE.getString( key );
114
  }
115
116
  public static String get( final String key, final boolean interpolate ) {
117
    return interpolate ? get( key ) : getLiteral( key );
118
  }
119
120
  /**
121
   * Returns the value for a key from the message bundle with the arguments
122
   * replacing <code>{#}</code> place holders.
123
   *
124
   * @param key  Retrieve the value for this key.
125
   * @param args The values to substitute for place holders.
126
   * @return The value for the key.
127
   */
128
  public static String get( final String key, final Object... args ) {
129
    return MessageFormat.format( get( key ), args );
130
  }
131
132
  /**
133
   * Answers whether the given key is contained in the application's messages
134
   * properties file.
135
   *
136
   * @param key The key to look for in the {@link ResourceBundle}.
137
   * @return {@code true} when the key exists as an exact match.
138
   */
139
  public static boolean containsKey( final String key ) {
140
    return RESOURCE_BUNDLE.containsKey( key );
141
  }
142
143
  /**
144
   * Returns all key names in the application's messages properties file.
145
   *
146
   * @return All key names in the {@link ResourceBundle} encapsulated by
147
   * this class.
148
   */
149
  public static Enumeration<String> getKeys() {
150
    return RESOURCE_BUNDLE.getKeys();
151
  }
152
}
1153
A src/main/java/com/keenwrite/ScrollEventHandler.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import javafx.beans.property.BooleanProperty;
5
import javafx.beans.property.SimpleBooleanProperty;
6
import javafx.event.Event;
7
import javafx.event.EventHandler;
8
import javafx.scene.control.ScrollBar;
9
import javafx.scene.control.skin.ScrollBarSkin;
10
import javafx.scene.input.MouseEvent;
11
import javafx.scene.input.ScrollEvent;
12
import javafx.scene.layout.StackPane;
13
import org.fxmisc.flowless.VirtualizedScrollPane;
14
import org.fxmisc.richtext.StyleClassedTextArea;
15
16
import javax.swing.*;
17
import java.util.function.Consumer;
18
19
import static javafx.geometry.Orientation.VERTICAL;
20
21
/**
22
 * Converts scroll events from {@link VirtualizedScrollPane} scroll bars to
23
 * an instance of {@link JScrollBar}.
24
 * <p>
25
 * Called to synchronize the scrolling areas for either scrolling with the
26
 * mouse or scrolling using the scrollbar's thumb. Both are required to avoid
27
 * scrolling on the estimatedScrollYProperty that occurs when text events
28
 * fire. Scrolling performed for text events are handled separately to ensure
29
 * the preview panel scrolls to the same position in the Markdown editor,
30
 * taking into account things like images, tables, and other potentially
31
 * long vertical presentation items.
32
 * </p>
33
 */
34
public final class ScrollEventHandler implements EventHandler<Event> {
35
36
  private final class MouseHandler implements EventHandler<MouseEvent> {
37
    private final EventHandler<? super MouseEvent> mOldHandler;
38
39
    /**
40
     * Constructs a new handler for mouse scrolling events.
41
     *
42
     * @param oldHandler Receives the event after scrolling takes place.
43
     */
44
    private MouseHandler( final EventHandler<? super MouseEvent> oldHandler ) {
45
      mOldHandler = oldHandler;
46
    }
47
48
    @Override
49
    public void handle( final MouseEvent event ) {
50
      ScrollEventHandler.this.handle( event );
51
      mOldHandler.handle( event );
52
    }
53
  }
54
55
  private final class ScrollHandler implements EventHandler<ScrollEvent> {
56
    @Override
57
    public void handle( final ScrollEvent event ) {
58
      ScrollEventHandler.this.handle( event );
59
    }
60
  }
61
62
  private final VirtualizedScrollPane<StyleClassedTextArea> mEditorScrollPane;
63
  private final JScrollBar mPreviewScrollBar;
64
  private final BooleanProperty mEnabled = new SimpleBooleanProperty();
65
66
  /**
67
   * @param editorScrollPane Scroll event source (human movement).
68
   * @param previewScrollBar Scroll event destination (corresponding movement).
69
   */
70
  public ScrollEventHandler(
71
      final VirtualizedScrollPane<StyleClassedTextArea> editorScrollPane,
72
      final JScrollBar previewScrollBar ) {
73
    mEditorScrollPane = editorScrollPane;
74
    mPreviewScrollBar = previewScrollBar;
75
76
    mEditorScrollPane.addEventFilter( ScrollEvent.ANY, new ScrollHandler() );
77
78
    initVerticalScrollBarThumb(
79
        mEditorScrollPane,
80
        thumb -> {
81
          final var handler = new MouseHandler( thumb.getOnMouseDragged() );
82
          thumb.setOnMouseDragged( handler );
83
        }
84
    );
85
  }
86
87
  /**
88
   * Gets a property intended to be bound to selected property of the tab being
89
   * scrolled. This is required because there's only one preview pane but
90
   * multiple editor panes. Each editor pane maintains its own scroll position.
91
   *
92
   * @return A {@link BooleanProperty} representing whether the scroll
93
   * events for this tab are to be executed.
94
   */
95
  public BooleanProperty enabledProperty() {
96
    return mEnabled;
97
  }
98
99
  /**
100
   * Scrolls the preview scrollbar relative to the edit scrollbar. Algorithm
101
   * is based on Karl Tauber's ratio calculation.
102
   *
103
   * @param event Unused; either {@link MouseEvent} or {@link ScrollEvent}
104
   */
105
  @Override
106
  public void handle( final Event event ) {
107
    if( isEnabled() ) {
108
      final var eScrollPane = getEditorScrollPane();
109
      final var eScrollY =
110
          eScrollPane.estimatedScrollYProperty().getValue().intValue();
111
      final var eHeight = (int)
112
          (eScrollPane.totalHeightEstimateProperty().getValue().intValue()
113
              - eScrollPane.getHeight());
114
      final var eRatio = eHeight > 0
115
          ? Math.min( Math.max( eScrollY / (float) eHeight, 0 ), 1 ) : 0;
116
117
      final var pScrollBar = getPreviewScrollBar();
118
      final var pHeight = pScrollBar.getMaximum() - pScrollBar.getHeight();
119
      final var pScrollY = (int) (pHeight * eRatio);
120
121
      pScrollBar.setValue( pScrollY );
122
      pScrollBar.getParent().repaint();
123
    }
124
  }
125
126
  private void initVerticalScrollBarThumb(
127
      final VirtualizedScrollPane<StyleClassedTextArea> pane,
128
      final Consumer<StackPane> consumer ) {
129
    // When the skin property is set, the stack pane is available (not null).
130
    getVerticalScrollBar( pane ).skinProperty().addListener( ( c, o, n ) -> {
131
      for( final var node : ((ScrollBarSkin) n).getChildren() ) {
132
        // Brittle, but what can you do?
133
        if( node.getStyleClass().contains( "thumb" ) ) {
134
          consumer.accept( (StackPane) node );
135
        }
136
      }
137
    } );
138
  }
139
140
  /**
141
   * Returns the vertical {@link ScrollBar} instance associated with the
142
   * given scroll pane. This is {@code null}-safe because the scroll pane
143
   * initializes its vertical {@link ScrollBar} upon construction.
144
   *
145
   * @param pane The scroll pane that contains a vertical {@link ScrollBar}.
146
   * @return The vertical {@link ScrollBar} associated with the scroll pane.
147
   * @throws IllegalStateException Could not obtain the vertical scroll bar.
148
   */
149
  private ScrollBar getVerticalScrollBar(
150
      final VirtualizedScrollPane<StyleClassedTextArea> pane ) {
151
152
    for( final var node : pane.getChildrenUnmodifiable() ) {
153
      if( node instanceof ScrollBar ) {
154
        final var scrollBar = (ScrollBar) node;
155
156
        if( scrollBar.getOrientation() == VERTICAL ) {
157
          return scrollBar;
158
        }
159
      }
160
    }
161
162
    throw new IllegalStateException( "No vertical scroll bar found." );
163
  }
164
165
  private boolean isEnabled() {
166
    // TODO: As a minor optimization, when this is set to false, it could remove
167
    // the MouseHandler and ScrollHandler so that events only dispatch to one
168
    // object (instead of one per editor tab).
169
    return mEnabled.get();
170
  }
171
172
  private VirtualizedScrollPane<StyleClassedTextArea> getEditorScrollPane() {
173
    return mEditorScrollPane;
174
  }
175
176
  private JScrollBar getPreviewScrollBar() {
177
    return mPreviewScrollBar;
178
  }
179
}
1180
A src/main/java/com/keenwrite/Services.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import java.util.HashMap;
5
import java.util.Map;
6
import java.util.ServiceLoader;
7
8
/**
9
 * Responsible for loading services. The services are treated as singleton
10
 * instances.
11
 */
12
public class Services {
13
14
  @SuppressWarnings("rawtypes")
15
  private static final Map<Class, Object> SINGLETONS = new HashMap<>();
16
17
  /**
18
   * Loads a service based on its interface definition. This will return an
19
   * existing instance if the class has already been instantiated.
20
   *
21
   * @param <T> The service to load.
22
   * @param api The interface definition for the service.
23
   * @return A class that implements the interface.
24
   */
25
  @SuppressWarnings("unchecked")
26
  public static <T> T load( final Class<T> api ) {
27
    final T o = (T) get( api );
28
29
    return o == null ? newInstance( api ) : o;
30
  }
31
32
  private static <T> T newInstance( final Class<T> api ) {
33
    final ServiceLoader<T> services = ServiceLoader.load( api );
34
35
    for( final T service : services ) {
36
      if( service != null ) {
37
        // Re-use the same instance the next time the class is loaded.
38
        put( api, service );
39
        return service;
40
      }
41
    }
42
43
    throw new RuntimeException( "No implementation for: " + api );
44
  }
45
46
  @SuppressWarnings("rawtypes")
47
  private static void put( final Class key, Object value ) {
48
    SINGLETONS.put( key, value );
49
  }
50
51
  @SuppressWarnings("rawtypes")
52
  private static Object get( final Class api ) {
53
    return SINGLETONS.get( api );
54
  }
55
}
156
A src/main/java/com/keenwrite/editors/TextDefinition.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors;
3
4
import com.keenwrite.editors.definition.DefinitionEditor;
5
import com.keenwrite.editors.definition.DefinitionTreeItem;
6
import com.keenwrite.editors.markdown.MarkdownEditor;
7
import com.keenwrite.sigils.Tokens;
8
import javafx.scene.control.TreeItem;
9
10
import java.util.Map;
11
12
/**
13
 * Differentiates an instance of {@link TextResource} from an instance of
14
 * {@link DefinitionEditor} or {@link MarkdownEditor}.
15
 */
16
public interface TextDefinition extends TextResource {
17
  /**
18
   * Converts the definitions into a map, ready for interpolation.
19
   *
20
   * @return The list of key value pairs delimited with tokens.
21
   */
22
  Map<String, String> toMap();
23
24
  /**
25
   * Performs string interpolation on the values in the given map. This will
26
   * change any value in the map that contains a variable that matches
27
   * the definition regex pattern against the given {@link Tokens}.
28
   *
29
   * @param map Contains values that represent references to keys.
30
   * @param tokens The beginning and ending tokens that delimit variables.
31
   */
32
  Map<String, String> interpolate( Map<String, String> map, Tokens tokens );
33
34
  /**
35
   * Requests that the visual representation be expanded to the given
36
   * node.
37
   *
38
   * @param node Request expansion to this node.
39
   */
40
  <T> void expand( TreeItem<T> node );
41
42
  /**
43
   * Adds a new item to the definition hierarchy.
44
   */
45
  void createDefinition();
46
47
  /**
48
   * Edits the currently selected definition in the hierarchy.
49
   */
50
  void renameDefinition();
51
52
  /**
53
   * Removes the currently selected definition in the hierarchy.
54
   */
55
  void deleteDefinitions();
56
57
  /**
58
   * Finds the definition that exact matches the given text.
59
   *
60
   * @param text The value to find, never {@code null}.
61
   * @return The leaf that contains the given value.
62
   */
63
  DefinitionTreeItem<String> findLeafExact( String text );
64
65
  /**
66
   * Finds the definition that starts with the given text.
67
   *
68
   * @param text The value to find, never {@code null}.
69
   * @return The leaf that starts with the given value.
70
   */
71
  DefinitionTreeItem<String> findLeafStartsWith( String text );
72
73
  /**
74
   * Finds the definition that contains the given text, matching case.
75
   *
76
   * @param text The value to find, never {@code null}.
77
   * @return The leaf that contains the exact given value.
78
   */
79
  DefinitionTreeItem<String> findLeafContains( String text );
80
81
  /**
82
   * Finds the definition that contains the given text, ignoring case.
83
   *
84
   * @param text The value to find, never {@code null}.
85
   * @return The leaf that contains the given value, regardless of case.
86
   */
87
  DefinitionTreeItem<String> findLeafContainsNoCase( String text );
88
89
  /**
90
   * Answers whether there are any definitions written.
91
   *
92
   * @return {@code true} when there are no definitions.
93
   */
94
  boolean isEmpty();
95
}
196
A src/main/java/com/keenwrite/editors/TextEditor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors;
3
4
import com.keenwrite.Caret;
5
import javafx.scene.control.IndexRange;
6
import org.fxmisc.flowless.VirtualizedScrollPane;
7
import org.fxmisc.richtext.StyleClassedTextArea;
8
9
/**
10
 * Responsible for differentiating an instance of {@link TextResource} from
11
 * other {@link TextResource} subtypes, such as a {@link TextDefinition}.
12
 * This is primarily used as a marker interface, but also defines a minimal
13
 * set of functionality required by all {@link TextEditor} instances, which
14
 * includes scrolling facilities.
15
 */
16
public interface TextEditor extends TextResource {
17
18
  /**
19
   * Returns the scrollbars associated with the editor's view so that they
20
   * can be moved for synchronized scrolling.
21
   *
22
   * @return The initialized horizontal and vertical scrollbars.
23
   */
24
  VirtualizedScrollPane<StyleClassedTextArea> getScrollPane();
25
26
  StyleClassedTextArea getTextArea();
27
28
  /**
29
   * Requests that styling be added to the document between the given
30
   * integer values.
31
   *
32
   * @param indexes Document offset where style is to start and end.
33
   * @param style The style class to apply between the given offset indexes.
34
   */
35
  default void stylize( final IndexRange indexes, final String style ) {
36
  }
37
38
  /**
39
   * Requests that the most recent styling for the given style class be
40
   * removed from the document between the given integer values.
41
   */
42
  default void unstylize( final String style ) {
43
  }
44
45
  /**
46
   * Returns the complete text for the specified paragraph index.
47
   *
48
   * @param paragraph The zero-based paragraph index.
49
   * @throws IndexOutOfBoundsException The paragraph index is less than zero
50
   *                                   or greater than the number of
51
   *                                   paragraphs in the document.
52
   */
53
  String getText( int paragraph ) throws IndexOutOfBoundsException;
54
55
  /**
56
   * Returns the text between the indexes specified by the given
57
   * {@link IndexRange}.
58
   *
59
   * @param indexes The start and end document indexes to reference.
60
   * @return The text between the specified indexes.
61
   * @throws IndexOutOfBoundsException The indexes are invalid.
62
   */
63
  String getText( IndexRange indexes ) throws IndexOutOfBoundsException;
64
65
  /**
66
   * Moves the caret to the given document offset.
67
   *
68
   * @param offset The absolute offset into the document, zero-based.
69
   */
70
  void moveTo( final int offset );
71
72
  /**
73
   * Returns an object that can be used to track the current caret position
74
   * within the document.
75
   *
76
   * @return The caret's position, which is updated continuously.
77
   */
78
  Caret getCaret();
79
80
  /**
81
   * Replaces the text within the given range with the given string.
82
   *
83
   * @param indexes The starting and ending document indexes that represent
84
   *                the range of text to replace.
85
   * @param s       The text to replace, which can be shorter or longer than the
86
   *                specified range.
87
   */
88
  void replaceText( IndexRange indexes, String s );
89
90
  /**
91
   * Returns the starting and ending indexes into the document for the
92
   * word at the current caret position.
93
   * <p>
94
   * Finds the start and end indexes for the word in the current document,
95
   * where the caret is located. There are a few different scenarios, where
96
   * the caret can be at: the start, end, or middle of a word; also, the
97
   * caret can be at the end or beginning of a punctuated word; as well, the
98
   * caret could be at the beginning or end of the line or document.
99
   * </p>
100
   *
101
   * @return The start and ending index into the current document that
102
   * represent the word boundaries of the word under the caret.
103
   */
104
  IndexRange getCaretWord();
105
106
  /**
107
   * Convenience method to get the word at the current caret position.
108
   *
109
   * @return This will return the empty string if the caret is out of bounds.
110
   */
111
  default String getCaretWordText() {
112
    return getText( getCaretWord() );
113
  }
114
115
  /**
116
   * Requests undoing the last text-changing action.
117
   */
118
  void undo();
119
120
  /**
121
   * Requests redoing the last text-changing action that was undone.
122
   */
123
  void redo();
124
125
  /**
126
   * Requests cutting the selected text, or the current line if none selected.
127
   */
128
  void cut();
129
130
  /**
131
   * Requests copying the selected text, or no operation if none selected.
132
   */
133
  void copy();
134
135
  /**
136
   * Requests pasting from the clipboard into the editor. This will replace
137
   * text if selected, otherwise the clipboard contents are inserted at the
138
   * cursor.
139
   */
140
  void paste();
141
142
  /**
143
   * Requests selecting the entire document. This will replace the existing
144
   * selection, if any.
145
   */
146
  void selectAll();
147
148
  /**
149
   * Requests making the selected text, or word at caret, bold.
150
   */
151
  default void bold() {
152
  }
153
154
  /**
155
   * Requests making the selected text, or word at caret, italic.
156
   */
157
  default void italic() {
158
  }
159
160
  /**
161
   * Requests making the selected text, or word at caret, a superscript.
162
   */
163
  default void superscript() {
164
  }
165
166
  /**
167
   * Requests making the selected text, or word at caret, a subscript.
168
   */
169
  default void subscript() {
170
  }
171
172
  /**
173
   * Requests making the selected text, or word at caret, struck.
174
   */
175
  default void strikethrough() {
176
  }
177
178
  /**
179
   * Requests making the selected text, or word at caret, a blockquote block.
180
   */
181
  default void blockquote() {
182
  }
183
184
  /**
185
   * Requests making the selected text, or word at caret, inline code.
186
   */
187
  default void code() {
188
  }
189
190
  /**
191
   * Requests making the selected text, or word at caret, a fenced code block.
192
   */
193
  default void fencedCodeBlock() {
194
  }
195
196
  /**
197
   * Requests making the selected text, or word at caret, a heading.
198
   *
199
   * @param level The heading level to apply (typically 1 through 3).
200
   */
201
  default void heading( final int level ) {
202
  }
203
204
  /**
205
   * Requests making the selected text, or word at caret, an unordered list
206
   * block.
207
   */
208
  default void unorderedList() {
209
  }
210
211
  /**
212
   * Requests making the selected text, or word at caret, an ordered list block.
213
   */
214
  default void orderedList() {
215
  }
216
217
  /**
218
   * Requests making the selected text, or inserting at the caret, a
219
   * horizontal rule.
220
   */
221
  default void horizontalRule() {
222
  }
223
}
1224
A src/main/java/com/keenwrite/editors/TextResource.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors;
3
4
import com.keenwrite.io.MediaType;
5
import javafx.beans.property.ReadOnlyBooleanProperty;
6
import javafx.scene.Node;
7
import org.mozilla.universalchardet.UniversalDetector;
8
9
import java.io.File;
10
import java.nio.charset.Charset;
11
import java.nio.file.Path;
12
13
import static com.keenwrite.Constants.DEFAULT_CHARSET;
14
import static com.keenwrite.events.StatusEvent.clue;
15
import static java.nio.charset.Charset.forName;
16
import static java.nio.file.Files.readAllBytes;
17
import static java.nio.file.Files.write;
18
import static java.util.Arrays.asList;
19
import static java.util.Locale.ENGLISH;
20
21
/**
22
 * A text resource can be persisted and retrieved from its persisted location.
23
 */
24
public interface TextResource {
25
  /**
26
   * Sets the text string that to be changed through some graphical user
27
   * interface. For example, a YAML document must be parsed from the given
28
   * text string into a tree view with which the user may interact.
29
   *
30
   * @param text The new content for the resource.
31
   */
32
  void setText( String text );
33
34
  /**
35
   * Returns the text string that may have been modified by the user through
36
   * some graphical user interface.
37
   *
38
   * @return The text value, based on the value set from
39
   * {@link #setText(String)}, but possibly mutated.
40
   */
41
  String getText();
42
43
  /**
44
   * Return the character encoding for this file.
45
   *
46
   * @return A non-null character set, primarily detected from file contents.
47
   */
48
  Charset getEncoding();
49
50
  /**
51
   * Renames the current file to the given fully qualified file name.
52
   *
53
   * @param file The new file name.
54
   */
55
  void rename( final File file );
56
57
  /**
58
   * Returns the file name, without any directory components, for this instance.
59
   * Useful for showing as a tab title.
60
   *
61
   * @return The file name value returned from {@link #getFile()}.
62
   */
63
  default String getFilename() {
64
    final var filename = getFile().toPath().getFileName();
65
    return filename == null ? "" : filename.toString();
66
  }
67
68
  /**
69
   * Returns the fully qualified {@link File} to the editable text resource.
70
   * Useful for showing as a tab tooltip, saving the file, or reading it.
71
   *
72
   * @return A non-null {@link File} instance.
73
   */
74
  File getFile();
75
76
  /**
77
   * Returns the {@link MediaType} associated with the file being edited.
78
   *
79
   * @return The {@link MediaType} for the editor's file.
80
   */
81
  default MediaType getMediaType() {
82
    return MediaType.valueFrom( getFile() );
83
  }
84
85
  /**
86
   * Answers whether this instance is an editor for at least one of the given
87
   * {@link MediaType} references.
88
   *
89
   * @param mediaTypes The {@link MediaType} references to compare against.
90
   * @return {@code true} if the given list of media types contains the
91
   * {@link MediaType} for this editor.
92
   */
93
  default boolean isMediaType( final MediaType... mediaTypes ) {
94
    return asList( mediaTypes ).contains( getMediaType() );
95
  }
96
97
  /**
98
   * Returns the fully qualified {@link Path} to the editable text resource.
99
   * This delegates to {@link #getFile()}.
100
   *
101
   * @return A non-null {@link Path} instance.
102
   */
103
  default Path getPath() {
104
    return getFile().toPath();
105
  }
106
107
  /**
108
   * Read the file contents and update the text accordingly. If the file
109
   * cannot be read then no changes will happen to the text. Fails silently.
110
   *
111
   * @param path The fully qualified {@link Path}, including a file name, to
112
   *             fully read into the editor.
113
   * @return The character encoding for the file at the given {@link Path}.
114
   */
115
  default Charset open( final Path path ) {
116
    final var file = path.toFile();
117
    Charset encoding = DEFAULT_CHARSET;
118
119
    try {
120
      if( file.exists() ) {
121
        if( file.canWrite() && file.canRead() ) {
122
          final var bytes = readAllBytes( path );
123
          encoding = detectEncoding( bytes );
124
125
          setText( asString( bytes, encoding ) );
126
        }
127
        else {
128
          clue( "TextResource.load.error.permissions", file.toString() );
129
        }
130
      }
131
      else {
132
        clue( "TextResource.load.error.unsaved", file.toString() );
133
      }
134
    } catch( final Exception ex ) {
135
      clue( ex );
136
    }
137
138
    return encoding;
139
  }
140
141
  /**
142
   * Read the file contents and update the text accordingly. If the file
143
   * cannot be read then no changes will happen to the text. This delegates
144
   * to {@link #open(Path)}.
145
   *
146
   * @param file The {@link File} to fully read into the editor.
147
   * @return The file's character encoding.
148
   */
149
  default Charset open( final File file ) {
150
    return open( file.toPath() );
151
  }
152
153
  /**
154
   * Save the file contents and clear the modified flag. If the file cannot
155
   * be saved, the exception is swallowed and this method returns {@code false}.
156
   *
157
   * @return {@code true} the file was saved; {@code false} if upon exception.
158
   */
159
  default boolean save() {
160
    try {
161
      write( getPath(), asBytes( getText() ) );
162
      clearModifiedProperty();
163
      return true;
164
    } catch( final Exception ex ) {
165
      clue( ex );
166
    }
167
168
    return false;
169
  }
170
171
  /**
172
   * Returns the node associated with this {@link TextResource}.
173
   *
174
   * @return The view component for the {@link TextResource}.
175
   */
176
  Node getNode();
177
178
  /**
179
   * Answers whether the resource has been modified.
180
   *
181
   * @return {@code true} the resource has changed; {@code false} means that
182
   * no changes to the resource have been made.
183
   */
184
  default boolean isModified() {
185
    return modifiedProperty().get();
186
  }
187
188
  /**
189
   * Returns a property that answers whether this text resource has been
190
   * changed from the original text that was opened.
191
   *
192
   * @return A property representing the modified state of this
193
   * {@link TextResource}.
194
   */
195
  ReadOnlyBooleanProperty modifiedProperty();
196
197
  /**
198
   * Lowers the modified flag such that listeners to the modified property
199
   * will be informed that the text that's being edited no longer differs
200
   * from what's persisted.
201
   */
202
  void clearModifiedProperty();
203
204
  private String asString( final byte[] text, final Charset encoding ) {
205
    return new String( text, encoding );
206
  }
207
208
  /**
209
   * Converts the given string to an array of bytes using the encoding that was
210
   * originally detected (if any) and associated with this file.
211
   *
212
   * @param text The text to convert into the original file encoding.
213
   * @return A series of bytes ready for writing to a file.
214
   */
215
  private byte[] asBytes( final String text ) {
216
    return text.getBytes( getEncoding() );
217
  }
218
219
  private Charset detectEncoding( final byte[] bytes ) {
220
    final var detector = new UniversalDetector( null );
221
    detector.handleData( bytes, 0, bytes.length );
222
    detector.dataEnd();
223
224
    final var charset = detector.getDetectedCharset();
225
226
    return charset == null
227
      ? DEFAULT_CHARSET
228
      : forName( charset.toUpperCase( ENGLISH ) );
229
  }
230
}
1231
A src/main/java/com/keenwrite/editors/definition/DefinitionEditor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors.definition;
3
4
import com.keenwrite.Constants;
5
import com.keenwrite.editors.TextDefinition;
6
import com.keenwrite.sigils.Tokens;
7
import com.keenwrite.ui.tree.AltTreeView;
8
import com.keenwrite.ui.tree.TreeItemConverter;
9
import de.jensd.fx.glyphs.fontawesome.FontAwesomeIcon;
10
import de.jensd.fx.glyphs.fontawesome.utils.FontAwesomeIconFactory;
11
import javafx.beans.property.BooleanProperty;
12
import javafx.beans.property.ReadOnlyBooleanProperty;
13
import javafx.beans.property.SimpleBooleanProperty;
14
import javafx.beans.value.ObservableValue;
15
import javafx.collections.ObservableList;
16
import javafx.event.ActionEvent;
17
import javafx.event.Event;
18
import javafx.event.EventHandler;
19
import javafx.scene.Node;
20
import javafx.scene.control.*;
21
import javafx.scene.input.KeyEvent;
22
import javafx.scene.layout.BorderPane;
23
import javafx.scene.layout.HBox;
24
25
import java.io.File;
26
import java.nio.charset.Charset;
27
import java.util.*;
28
import java.util.regex.Pattern;
29
30
import static com.keenwrite.Constants.ACTION_PREFIX;
31
import static com.keenwrite.Constants.DEFINITION_DEFAULT;
32
import static com.keenwrite.Messages.get;
33
import static com.keenwrite.events.StatusEvent.clue;
34
import static com.keenwrite.events.TextDefinitionFocusEvent.fireTextDefinitionFocus;
35
import static java.lang.String.format;
36
import static java.util.regex.Pattern.compile;
37
import static java.util.regex.Pattern.quote;
38
import static javafx.geometry.Pos.CENTER;
39
import static javafx.geometry.Pos.TOP_CENTER;
40
import static javafx.scene.control.SelectionMode.MULTIPLE;
41
import static javafx.scene.control.TreeItem.childrenModificationEvent;
42
import static javafx.scene.control.TreeItem.valueChangedEvent;
43
import static javafx.scene.input.KeyEvent.KEY_PRESSED;
44
45
/**
46
 * Provides the user interface that holds a {@link TreeView}, which
47
 * allows users to interact with key/value pairs loaded from the
48
 * document parser and adapted using a {@link TreeTransformer}.
49
 */
50
public final class DefinitionEditor extends BorderPane
51
  implements TextDefinition {
52
  private static final int GROUP_DELIMITED = 1;
53
54
  /**
55
   * Contains the root that is added to the view.
56
   */
57
  private final DefinitionTreeItem<String> mTreeRoot = createRootTreeItem();
58
59
  /**
60
   * Contains a view of the definitions.
61
   */
62
  private final TreeView<String> mTreeView =
63
    new AltTreeView<>( mTreeRoot, new TreeItemConverter() );
64
65
  /**
66
   * Used to adapt the structured document into a {@link TreeView}.
67
   */
68
  private final TreeTransformer mTreeTransformer;
69
70
  /**
71
   * Handlers for key press events.
72
   */
73
  private final Set<EventHandler<? super KeyEvent>> mKeyEventHandlers
74
    = new HashSet<>();
75
76
  /**
77
   * File being edited by this editor instance.
78
   */
79
  private File mFile;
80
81
  /**
82
   * Opened file's character encoding, or {@link Constants#DEFAULT_CHARSET} if
83
   * either no encoding could be determined or this is a new (empty) file.
84
   */
85
  private final Charset mEncoding;
86
87
  /**
88
   * Tracks whether the in-memory definitions have changed with respect to the
89
   * persisted definitions.
90
   */
91
  private final BooleanProperty mModified = new SimpleBooleanProperty();
92
93
  /**
94
   * This is provided for unit tests that are not backed by files.
95
   *
96
   * @param treeTransformer Responsible for transforming the definitions into
97
   *                        {@link TreeItem} instances.
98
   */
99
  public DefinitionEditor(
100
    final TreeTransformer treeTransformer ) {
101
    this( DEFINITION_DEFAULT, treeTransformer );
102
  }
103
104
  /**
105
   * Constructs a definition pane with a given tree view root.
106
   *
107
   * @param file The file of definitions to maintain through the UI.
108
   */
109
  public DefinitionEditor(
110
    final File file,
111
    final TreeTransformer treeTransformer ) {
112
    assert file != null;
113
    assert treeTransformer != null;
114
115
    mFile = file;
116
    mTreeTransformer = treeTransformer;
117
118
    //mTreeView.setCellFactory( new TreeCellFactory() );
119
    mTreeView.setContextMenu( createContextMenu() );
120
    mTreeView.addEventFilter( KEY_PRESSED, this::keyEventFilter );
121
    mTreeView.focusedProperty().addListener( this::focused );
122
    getSelectionModel().setSelectionMode( MULTIPLE );
123
124
    final var buttonBar = new HBox();
125
    buttonBar.getChildren().addAll(
126
      createButton( "create", e -> createDefinition() ),
127
      createButton( "rename", e -> renameDefinition() ),
128
      createButton( "delete", e -> deleteDefinitions() )
129
    );
130
    buttonBar.setAlignment( CENTER );
131
    buttonBar.setSpacing( 10 );
132
133
    setTop( buttonBar );
134
    setCenter( mTreeView );
135
    setAlignment( buttonBar, TOP_CENTER );
136
    mEncoding = open( mFile );
137
138
    // After the file is opened, watch for changes, not before. Otherwise,
139
    // upon saving, users will be prompted to save a file that hasn't had
140
    // any modifications (from their perspective).
141
    addTreeChangeHandler( event -> mModified.set( true ) );
142
  }
143
144
  @Override
145
  public void setText( final String document ) {
146
    final var foster = mTreeTransformer.transform( document );
147
    final var biological = getTreeRoot();
148
149
    for( final var child : foster.getChildren() ) {
150
      biological.getChildren().add( child );
151
    }
152
153
    getTreeView().refresh();
154
  }
155
156
  @Override
157
  public String getText() {
158
    final var result = new StringBuilder( 32768 );
159
160
    try {
161
      final var root = getTreeView().getRoot();
162
      final var problem = isTreeWellFormed();
163
164
      problem.ifPresentOrElse(
165
        ( node ) -> clue( "yaml.error.tree.form", node ),
166
        () -> result.append( mTreeTransformer.transform( root ) )
167
      );
168
    } catch( final Exception ex ) {
169
      // Catch errors while checking for a well-formed tree (e.g., stack smash).
170
      // Also catch any transformation exceptions (e.g., Json processing).
171
      clue( ex );
172
    }
173
174
    return result.toString();
175
  }
176
177
  @Override
178
  public File getFile() {
179
    return mFile;
180
  }
181
182
  @Override
183
  public void rename( final File file ) {
184
    mFile = file;
185
  }
186
187
  @Override
188
  public Charset getEncoding() {
189
    return mEncoding;
190
  }
191
192
  @Override
193
  public Node getNode() {
194
    return this;
195
  }
196
197
  @Override
198
  public ReadOnlyBooleanProperty modifiedProperty() {
199
    return mModified;
200
  }
201
202
  @Override
203
  public void clearModifiedProperty() {
204
    mModified.setValue( false );
205
  }
206
207
  private Button createButton(
208
    final String msgKey, final EventHandler<ActionEvent> eventHandler ) {
209
    final var keyPrefix = Constants.ACTION_PREFIX + "definition." + msgKey;
210
    final var button = new Button( get( keyPrefix + ".text" ) );
211
    final var icon = get( keyPrefix + ".icon" );
212
    final var glyph = FontAwesomeIcon.valueOf( icon.toUpperCase() );
213
214
    button.setOnAction( eventHandler );
215
    button.setGraphic(
216
      FontAwesomeIconFactory.get().createIcon( glyph )
217
    );
218
    button.setTooltip( new Tooltip( get( keyPrefix + ".tooltip" ) ) );
219
220
    return button;
221
  }
222
223
  @Override
224
  public Map<String, String> toMap() {
225
    return new TreeItemMapper().toMap( getTreeView().getRoot() );
226
  }
227
228
  @Override
229
  public Map<String, String> interpolate(
230
    final Map<String, String> map, final Tokens tokens ) {
231
232
    // Non-greedy match of key names delimited by definition tokens.
233
    final var pattern = compile(
234
      format( "(%s.*?%s)",
235
              quote( tokens.getBegan() ),
236
              quote( tokens.getEnded() )
237
      )
238
    );
239
240
    map.replaceAll( ( k, v ) -> resolve( map, v, pattern ) );
241
    return map;
242
  }
243
244
  /**
245
   * Given a value with zero or more key references, this will resolve all
246
   * the values, recursively. If a key cannot be de-referenced, the value will
247
   * contain the key name.
248
   *
249
   * @param map     Map to search for keys when resolving key references.
250
   * @param value   Value containing zero or more key references.
251
   * @param pattern The regular expression pattern to match variable key names.
252
   * @return The given value with all embedded key references interpolated.
253
   */
254
  private String resolve(
255
    final Map<String, String> map, String value, final Pattern pattern ) {
256
    final var matcher = pattern.matcher( value );
257
258
    while( matcher.find() ) {
259
      final var keyName = matcher.group( GROUP_DELIMITED );
260
      final var mapValue = map.get( keyName );
261
      final var keyValue = mapValue == null
262
        ? keyName
263
        : resolve( map, mapValue, pattern );
264
265
      value = value.replace( keyName, keyValue );
266
    }
267
268
    return value;
269
  }
270
271
272
  /**
273
   * Informs the caller of whenever any {@link TreeItem} in the {@link TreeView}
274
   * is modified. The modifications include: item value changes, item additions,
275
   * and item removals.
276
   * <p>
277
   * Safe to call multiple times; if a handler is already registered, the
278
   * old handler is used.
279
   * </p>
280
   *
281
   * @param handler The handler to call whenever any {@link TreeItem} changes.
282
   */
283
  public void addTreeChangeHandler(
284
    final EventHandler<TreeItem.TreeModificationEvent<Event>> handler ) {
285
    final var root = getTreeView().getRoot();
286
    root.addEventHandler( valueChangedEvent(), handler );
287
    root.addEventHandler( childrenModificationEvent(), handler );
288
  }
289
290
  /**
291
   * Answers whether the {@link TreeItem}s in the {@link TreeView} are suitably
292
   * well-formed for export. A tree is considered well-formed if the following
293
   * conditions are met:
294
   *
295
   * <ul>
296
   *   <li>The root node contains at least one child node having a leaf.</li>
297
   *   <li>There are no leaf nodes with sibling leaf nodes.</li>
298
   * </ul>
299
   *
300
   * @return {@code null} if the document is well-formed, otherwise the
301
   * problematic child {@link TreeItem}.
302
   */
303
  public Optional<TreeItem<String>> isTreeWellFormed() {
304
    final var root = getTreeView().getRoot();
305
306
    for( final var child : root.getChildren() ) {
307
      final var problemChild = isWellFormed( child );
308
309
      if( child.isLeaf() || problemChild != null ) {
310
        return Optional.ofNullable( problemChild );
311
      }
312
    }
313
314
    return Optional.empty();
315
  }
316
317
  /**
318
   * Determines whether the document is well-formed by ensuring that
319
   * child branches do not contain multiple leaves.
320
   *
321
   * @param item The sub-tree to check for well-formedness.
322
   * @return {@code null} when the tree is well-formed, otherwise the
323
   * problematic {@link TreeItem}.
324
   */
325
  private TreeItem<String> isWellFormed( final TreeItem<String> item ) {
326
    int childLeafs = 0;
327
    int childBranches = 0;
328
329
    for( final var child : item.getChildren() ) {
330
      if( child.isLeaf() ) {
331
        childLeafs++;
332
      }
333
      else {
334
        childBranches++;
335
      }
336
337
      final var problemChild = isWellFormed( child );
338
339
      if( problemChild != null ) {
340
        return problemChild;
341
      }
342
    }
343
344
    return ((childBranches > 0 && childLeafs == 0) ||
345
      (childBranches == 0 && childLeafs <= 1)) ? null : item;
346
  }
347
348
  @Override
349
  public DefinitionTreeItem<String> findLeafExact( final String text ) {
350
    return getTreeRoot().findLeafExact( text );
351
  }
352
353
  @Override
354
  public DefinitionTreeItem<String> findLeafContains( final String text ) {
355
    return getTreeRoot().findLeafContains( text );
356
  }
357
358
  @Override
359
  public DefinitionTreeItem<String> findLeafContainsNoCase(
360
    final String text ) {
361
    return getTreeRoot().findLeafContainsNoCase( text );
362
  }
363
364
  @Override
365
  public DefinitionTreeItem<String> findLeafStartsWith( final String text ) {
366
    return getTreeRoot().findLeafStartsWith( text );
367
  }
368
369
  public void select( final TreeItem<String> item ) {
370
    getSelectionModel().clearSelection();
371
    getSelectionModel().select( getTreeView().getRow( item ) );
372
  }
373
374
  /**
375
   * Collapses the tree, recursively.
376
   */
377
  public void collapse() {
378
    collapse( getTreeRoot().getChildren() );
379
  }
380
381
  /**
382
   * Collapses the tree, recursively.
383
   *
384
   * @param <T>   The type of tree item to expand (usually String).
385
   * @param nodes The nodes to collapse.
386
   */
387
  private <T> void collapse( final ObservableList<TreeItem<T>> nodes ) {
388
    for( final var node : nodes ) {
389
      node.setExpanded( false );
390
      collapse( node.getChildren() );
391
    }
392
  }
393
394
  /**
395
   * @return {@code true} when the user is editing a {@link TreeItem}.
396
   */
397
  private boolean isEditingTreeItem() {
398
    return getTreeView().editingItemProperty().getValue() != null;
399
  }
400
401
  /**
402
   * Changes to edit mode for the selected item.
403
   */
404
  @Override
405
  public void renameDefinition() {
406
    getTreeView().edit( getSelectedItem() );
407
  }
408
409
  /**
410
   * Removes all selected items from the {@link TreeView}.
411
   */
412
  @Override
413
  public void deleteDefinitions() {
414
    for( final var item : getSelectedItems() ) {
415
      final var parent = item.getParent();
416
417
      if( parent != null ) {
418
        parent.getChildren().remove( item );
419
      }
420
    }
421
  }
422
423
  /**
424
   * Deletes the selected item.
425
   */
426
  private void deleteSelectedItem() {
427
    final var c = getSelectedItem();
428
    getSiblings( c ).remove( c );
429
  }
430
431
  /**
432
   * Adds a new item under the selected item (or root if nothing is selected).
433
   * There are a few conditions to consider: when adding to the root,
434
   * when adding to a leaf, and when adding to a non-leaf. Items added to the
435
   * root must contain two items: a key and a value.
436
   */
437
  @Override
438
  public void createDefinition() {
439
    final var value = createDefinitionTreeItem();
440
    getSelectedItem().getChildren().add( value );
441
    expand( value );
442
    select( value );
443
  }
444
445
  private ContextMenu createContextMenu() {
446
    final var menu = new ContextMenu();
447
    final var items = menu.getItems();
448
449
    addMenuItem( items, ACTION_PREFIX + "definition.create.text" )
450
      .setOnAction( e -> createDefinition() );
451
    addMenuItem( items, ACTION_PREFIX + "definition.rename.text" )
452
      .setOnAction( e -> renameDefinition() );
453
    addMenuItem( items, ACTION_PREFIX + "definition.delete.text" )
454
      .setOnAction( e -> deleteSelectedItem() );
455
456
    return menu;
457
  }
458
459
  /**
460
   * Executes hot-keys for edits to the definition tree.
461
   *
462
   * @param event Contains the key code of the key that was pressed.
463
   */
464
  private void keyEventFilter( final KeyEvent event ) {
465
    if( !isEditingTreeItem() ) {
466
      switch( event.getCode() ) {
467
        case ENTER -> {
468
          expand( getSelectedItem() );
469
          event.consume();
470
        }
471
472
        case DELETE -> deleteDefinitions();
473
        case INSERT -> createDefinition();
474
475
        case R -> {
476
          if( event.isControlDown() ) {
477
            renameDefinition();
478
          }
479
        }
480
      }
481
482
      for( final var handler : getKeyEventHandlers() ) {
483
        handler.handle( event );
484
      }
485
    }
486
  }
487
488
  /**
489
   * Called when the editor's input focus changes. This will fire an event
490
   * for subscribers.
491
   *
492
   * @param ignored Not used.
493
   * @param o       The old input focus property value.
494
   * @param n       The new input focus property value.
495
   */
496
  private void focused(
497
    final ObservableValue<? extends Boolean> ignored,
498
    final Boolean o,
499
    final Boolean n ) {
500
    if( n != null && n ) {
501
      fireTextDefinitionFocus( this );
502
    }
503
  }
504
505
  /**
506
   * Adds a menu item to a list of menu items.
507
   *
508
   * @param items    The list of menu items to append to.
509
   * @param labelKey The resource bundle key name for the menu item's label.
510
   * @return The menu item added to the list of menu items.
511
   */
512
  private MenuItem addMenuItem(
513
    final List<MenuItem> items, final String labelKey ) {
514
    final MenuItem menuItem = createMenuItem( labelKey );
515
    items.add( menuItem );
516
    return menuItem;
517
  }
518
519
  private MenuItem createMenuItem( final String labelKey ) {
520
    return new MenuItem( get( labelKey ) );
521
  }
522
523
  /**
524
   * Creates a new {@link TreeItem} that is intended to be the root-level item
525
   * added to the {@link TreeView}. This allows the root item to be
526
   * distinguished from the other items so that reference keys do not include
527
   * "Definition" as part of their name.
528
   *
529
   * @return A new {@link TreeItem}, never {@code null}.
530
   */
531
  private RootTreeItem<String> createRootTreeItem() {
532
    return new RootTreeItem<>( get( "Pane.definition.node.root.title" ) );
533
  }
534
535
  private DefinitionTreeItem<String> createDefinitionTreeItem() {
536
    return new DefinitionTreeItem<>( get( "Definition.menu.add.default" ) );
537
  }
538
539
  @Override
540
  public void requestFocus() {
541
    //super.requestFocus();
542
    getTreeView().requestFocus();
543
  }
544
545
  /**
546
   * Expands the node to the root, recursively.
547
   *
548
   * @param <T>  The type of tree item to expand (usually String).
549
   * @param node The node to expand.
550
   */
551
  @Override
552
  public <T> void expand( final TreeItem<T> node ) {
553
    if( node != null ) {
554
      expand( node.getParent() );
555
      node.setExpanded( !node.isLeaf() );
556
    }
557
  }
558
559
  /**
560
   * Answers whether there are any definitions in the tree.
561
   *
562
   * @return {@code true} when there are no definitions; {@code false} when
563
   * there's at least one definition.
564
   */
565
  @Override
566
  public boolean isEmpty() {
567
    return getTreeRoot().isEmpty();
568
  }
569
570
  /**
571
   * Returns the actively selected item in the tree.
572
   *
573
   * @return The selected item, or the tree root item if no item is selected.
574
   */
575
  public TreeItem<String> getSelectedItem() {
576
    final var item = getSelectionModel().getSelectedItem();
577
    return item == null ? getTreeRoot() : item;
578
  }
579
580
  /**
581
   * Returns the {@link TreeView} that contains the definition hierarchy.
582
   *
583
   * @return A non-null instance.
584
   */
585
  private TreeView<String> getTreeView() {
586
    return mTreeView;
587
  }
588
589
  /**
590
   * Returns the root of the tree.
591
   *
592
   * @return The first node added to the definition tree.
593
   */
594
  private DefinitionTreeItem<String> getTreeRoot() {
595
    return mTreeRoot;
596
  }
597
598
  private ObservableList<TreeItem<String>> getSiblings(
599
    final TreeItem<String> item ) {
600
    final var root = getTreeView().getRoot();
601
    final var parent = (item == null || item == root) ? root : item.getParent();
602
603
    return parent.getChildren();
604
  }
605
606
  private MultipleSelectionModel<TreeItem<String>> getSelectionModel() {
607
    return getTreeView().getSelectionModel();
608
  }
609
610
  /**
611
   * Returns a copy of all the selected items.
612
   *
613
   * @return A list, possibly empty, containing all selected items in the
614
   * {@link TreeView}.
615
   */
616
  private List<TreeItem<String>> getSelectedItems() {
617
    return new ArrayList<>( getSelectionModel().getSelectedItems() );
618
  }
619
620
  private Set<EventHandler<? super KeyEvent>> getKeyEventHandlers() {
621
    return mKeyEventHandlers;
622
  }
623
}
1624
A src/main/java/com/keenwrite/editors/definition/DefinitionTreeItem.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors.definition;
3
4
import javafx.scene.control.TreeItem;
5
6
import java.util.Stack;
7
import java.util.function.BiFunction;
8
9
import static java.text.Normalizer.Form.NFD;
10
import static java.text.Normalizer.normalize;
11
12
/**
13
 * Provides behaviour afforded to definition keys and corresponding value.
14
 *
15
 * @param <T> The type of {@link TreeItem} (usually string).
16
 */
17
public class DefinitionTreeItem<T> extends TreeItem<T> {
18
19
  /**
20
   * Constructs a new item with a default value.
21
   *
22
   * @param value Passed up to superclass.
23
   */
24
  public DefinitionTreeItem( final T value ) {
25
    super( value );
26
  }
27
28
  /**
29
   * Finds a leaf starting at the current node with text that matches the given
30
   * value. Search is performed case-sensitively.
31
   *
32
   * @param text The text to match against each leaf in the tree.
33
   * @return The leaf that has a value exactly matching the given text.
34
   */
35
  public DefinitionTreeItem<T> findLeafExact( final String text ) {
36
    return findLeaf( text, DefinitionTreeItem::valueEquals );
37
  }
38
39
  /**
40
   * Finds a leaf starting at the current node with text that matches the given
41
   * value. Search is performed case-sensitively.
42
   *
43
   * @param text The text to match against each leaf in the tree.
44
   * @return The leaf that has a value that contains the given text.
45
   */
46
  public DefinitionTreeItem<T> findLeafContains( final String text ) {
47
    return findLeaf( text, DefinitionTreeItem::valueContains );
48
  }
49
50
  /**
51
   * Finds a leaf starting at the current node with text that matches the given
52
   * value. Search is performed case-insensitively.
53
   *
54
   * @param text The text to match against each leaf in the tree.
55
   * @return The leaf that has a value that contains the given text.
56
   */
57
  public DefinitionTreeItem<T> findLeafContainsNoCase( final String text ) {
58
    return findLeaf( text, DefinitionTreeItem::valueContainsNoCase );
59
  }
60
61
  /**
62
   * Finds a leaf starting at the current node with text that matches the given
63
   * value. Search is performed case-sensitively.
64
   *
65
   * @param text The text to match against each leaf in the tree.
66
   * @return The leaf that has a value that starts with the given text.
67
   */
68
  public DefinitionTreeItem<T> findLeafStartsWith( final String text ) {
69
    return findLeaf( text, DefinitionTreeItem::valueStartsWith );
70
  }
71
72
  /**
73
   * Finds a leaf starting at the current node with text that matches the given
74
   * value.
75
   *
76
   * @param text     The text to match against each leaf in the tree.
77
   * @param findMode What algorithm is used to match the given text.
78
   * @return The leaf that has a value starting with the given text, or {@code
79
   * null} if there was no match found.
80
   */
81
  public DefinitionTreeItem<T> findLeaf(
82
    final String text,
83
    final BiFunction<DefinitionTreeItem<T>, String, Boolean> findMode ) {
84
    final var stack = new Stack<DefinitionTreeItem<T>>();
85
    stack.push( this );
86
87
    // Don't hunt for blank (empty) keys.
88
    boolean found = text.isBlank();
89
90
    while( !found && !stack.isEmpty() ) {
91
      final var node = stack.pop();
92
93
      for( final var child : node.getChildren() ) {
94
        final var result = (DefinitionTreeItem<T>) child;
95
96
        if( result.isLeaf() ) {
97
          if( found = findMode.apply( result, text ) ) {
98
            return result;
99
          }
100
        }
101
        else {
102
          stack.push( result );
103
        }
104
      }
105
    }
106
107
    return null;
108
  }
109
110
  /**
111
   * Returns the value of the string without diacritic marks.
112
   *
113
   * @return A non-null, possibly empty string.
114
   */
115
  private String getDiacriticlessValue() {
116
    return normalize( getValue().toString(), NFD )
117
      .replaceAll( "\\p{M}", "" );
118
  }
119
120
  /**
121
   * Returns true if this node is a leaf and its value equals the given text.
122
   *
123
   * @param s The text to compare against the node value.
124
   * @return true Node is a leaf and its value equals the given value.
125
   */
126
  private boolean valueEquals( final String s ) {
127
    return isLeaf() && getValue().equals( s );
128
  }
129
130
  /**
131
   * Returns true if this node is a leaf and its value contains the given text.
132
   *
133
   * @param s The text to compare against the node value.
134
   * @return true Node is a leaf and its value contains the given value.
135
   */
136
  private boolean valueContains( final String s ) {
137
    return isLeaf() && getDiacriticlessValue().contains( s );
138
  }
139
140
  /**
141
   * Returns true if this node is a leaf and its value contains the given text.
142
   *
143
   * @param s The text to compare against the node value.
144
   * @return true Node is a leaf and its value contains the given value.
145
   */
146
  private boolean valueContainsNoCase( final String s ) {
147
    return isLeaf() &&
148
      getDiacriticlessValue().toLowerCase().contains( s.toLowerCase() );
149
  }
150
151
  /**
152
   * Returns true if this node is a leaf and its value starts with the given
153
   * text.
154
   *
155
   * @param s The text to compare against the node value.
156
   * @return true Node is a leaf and its value starts with the given value.
157
   */
158
  private boolean valueStartsWith( final String s ) {
159
    return isLeaf() && getDiacriticlessValue().startsWith( s );
160
  }
161
162
  /**
163
   * Returns the path for this node, with nodes made distinct using the
164
   * separator character. This uses two loops: one for pushing nodes onto a
165
   * stack and one for popping them off to create the path in desired order.
166
   *
167
   * @return A non-null string, possibly empty.
168
   */
169
  public String toPath() {
170
    return new TreeItemMapper().toPath( getParent() );
171
  }
172
173
  /**
174
   * Answers whether there are any definitions in this tree.
175
   *
176
   * @return {@code true} when there are no definitions in the tree; {@code
177
   * false} when there is at least one definition present.
178
   */
179
  public boolean isEmpty() {
180
    return getChildren().isEmpty();
181
  }
182
}
1183
A src/main/java/com/keenwrite/editors/definition/RootTreeItem.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors.definition;
3
4
import javafx.scene.control.TreeItem;
5
import javafx.scene.control.TreeView;
6
7
/**
8
 * Marker interface for top-most {@link TreeItem}. This class allows the
9
 * {@link TreeItemMapper} to ignore the topmost definition. Such contortions
10
 * are necessary because {@link TreeView} requires a root item that isn't part
11
 * of the user's definition file.
12
 * <p>
13
 * Another approach would be to associate object pairs per {@link TreeItem},
14
 * but that would be a waste of memory since the only "exception" case is
15
 * the root {@link TreeItem}.
16
 * </p>
17
 *
18
 * @param <T> The type of {@link TreeItem} to store in the {@link TreeView}.
19
 */
20
public final class RootTreeItem<T> extends DefinitionTreeItem<T> {
21
  /**
22
   * Default constructor, calls the superclass, no other behaviour.
23
   *
24
   * @param value The {@link TreeItem} node name to construct the superclass.
25
   * @see TreeItemMapper#toMap(TreeItem) for details on how this
26
   * class is used.
27
   */
28
  public RootTreeItem( final T value ) {
29
    super( value );
30
  }
31
}
132
A src/main/java/com/keenwrite/editors/definition/TreeItemMapper.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors.definition;
3
4
import com.fasterxml.jackson.databind.JsonNode;
5
import com.keenwrite.preview.HtmlPreview;
6
import javafx.scene.control.TreeItem;
7
import javafx.scene.control.TreeView;
8
9
import java.util.HashMap;
10
import java.util.Iterator;
11
import java.util.Map;
12
import java.util.Stack;
13
14
import static com.keenwrite.Constants.MAP_SIZE_DEFAULT;
15
16
/**
17
 * Given a {@link TreeItem}, this will generate a flat map with all the
18
 * values in the tree recursively interpolated. The application integrates
19
 * definition files as follows:
20
 * <ol>
21
 *   <li>Load YAML file into {@link JsonNode} hierarchy.</li>
22
 *   <li>Convert JsonNode to a {@link TreeItem} hierarchy.</li>
23
 *   <li>Interpolate {@link TreeItem} hierarchy as a flat map.</li>
24
 *   <li>Substitute flat map variables into document as required.</li>
25
 * </ol>
26
 *
27
 * <p>
28
 * This class is responsible for producing the interpolated flat map. This
29
 * allows dynamic edits of the {@link TreeView} to be displayed in the
30
 * {@link HtmlPreview} without having to reload the definition file.
31
 * Reloading the definition file would work, but has a number of drawbacks.
32
 * </p>
33
 */
34
public final class TreeItemMapper {
35
  /**
36
   * Separates definition keys (e.g., the dots in {@code $root.node.var$}).
37
   */
38
  public static final String SEPARATOR = ".";
39
40
  /**
41
   * Default buffer length for keys ({@link StringBuilder} has 16 character
42
   * buffer) that should be large enough for most keys to avoid reallocating
43
   * memory to increase the {@link StringBuilder}'s buffer.
44
   */
45
  public static final int DEFAULT_KEY_LENGTH = 64;
46
47
  /**
48
   * In-order traversal of a {@link TreeItem} hierarchy, exposing each item
49
   * as a consecutive list.
50
   */
51
  private static final class TreeIterator
52
    implements Iterator<TreeItem<String>> {
53
    private final Stack<TreeItem<String>> mStack = new Stack<>();
54
55
    public TreeIterator( final TreeItem<String> root ) {
56
      if( root != null ) {
57
        mStack.push( root );
58
      }
59
    }
60
61
    @Override
62
    public boolean hasNext() {
63
      return !mStack.isEmpty();
64
    }
65
66
    @Override
67
    public TreeItem<String> next() {
68
      final TreeItem<String> next = mStack.pop();
69
      next.getChildren().forEach( mStack::push );
70
71
      return next;
72
    }
73
  }
74
75
  public TreeItemMapper() {
76
  }
77
78
  /**
79
   * Iterate over a given root node (at any level of the tree) and process each
80
   * leaf node into a flat map. Values must be interpolated separately.
81
   */
82
  public Map<String, String> toMap( final TreeItem<String> root ) {
83
    final var map = new HashMap<String, String>( MAP_SIZE_DEFAULT );
84
    final var iterator = new TreeIterator( root );
85
86
    iterator.forEachRemaining( item -> {
87
      if( item.isLeaf() ) {
88
        map.put( toPath( item.getParent() ), item.getValue() );
89
      }
90
    } );
91
92
    return map;
93
  }
94
95
  /**
96
   * For a given node, this will ascend the tree to generate a key name
97
   * that is associated with the leaf node's value.
98
   *
99
   * @param node Ascendants represent the key to this node's value.
100
   * @param <T>  Data type that the {@link TreeItem} contains.
101
   * @return The string representation of the node's unique key.
102
   */
103
  public <T> String toPath( TreeItem<T> node ) {
104
    assert node != null;
105
106
    final var key = new StringBuilder( DEFAULT_KEY_LENGTH );
107
    final var stack = new Stack<TreeItem<T>>();
108
109
    while( node != null && !(node instanceof RootTreeItem) ) {
110
      stack.push( node );
111
      node = node.getParent();
112
    }
113
114
    // Gets set at end of first iteration (to avoid an if condition).
115
    var separator = "";
116
117
    while( !stack.empty() ) {
118
      final T subkey = stack.pop().getValue();
119
      key.append( separator );
120
      key.append( subkey );
121
      separator = SEPARATOR;
122
    }
123
124
    return key.toString();
125
  }
126
}
1127
A src/main/java/com/keenwrite/editors/definition/TreeTransformer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors.definition;
3
4
import javafx.scene.control.TreeItem;
5
6
/**
7
 * Responsible for converting an object hierarchy into a {@link TreeItem}
8
 * hierarchy.
9
 */
10
public interface TreeTransformer {
11
  /**
12
   * Adapts the document produced by the given parser into a {@link TreeItem}
13
   * object that can be presented to the user within a GUI. The root of the
14
   * tree must be merged by the view layer.
15
   *
16
   * @param document The document to transform into a viewable hierarchy.
17
   */
18
  TreeItem<String> transform( String document );
19
20
  /**
21
   * Exports the given root node to the given path.
22
   *
23
   * @param root The root node to export.
24
   */
25
  String transform( TreeItem<String> root );
26
}
127
A src/main/java/com/keenwrite/editors/definition/package-info.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
3
/**
4
 * This package contains classes that pertain to hierarchical, structured
5
 * data formats, which can be used as interpolated variables.
6
 */
7
package com.keenwrite.editors.definition;
18
A src/main/java/com/keenwrite/editors/definition/yaml/YamlTreeTransformer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
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package com.keenwrite.editors.definition.yaml;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
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import com.fasterxml.jackson.dataformat.yaml.YAMLMapper;
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import com.keenwrite.editors.definition.DefinitionTreeItem;
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import com.keenwrite.editors.definition.TreeTransformer;
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import javafx.scene.control.TreeItem;
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import javafx.scene.control.TreeView;
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14
import java.util.Map.Entry;
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import static com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.Feature.MINIMIZE_QUOTES;
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import static com.fasterxml.jackson.dataformat.yaml.YAMLGenerator.Feature.SPLIT_LINES;
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import static com.keenwrite.events.StatusEvent.clue;
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20
/**
21
 * Transforms a JsonNode hierarchy into a tree that can be displayed in a user
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 * interface and vice-versa.
23
 */
24
public final class YamlTreeTransformer implements TreeTransformer {
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  private static final YAMLFactory sFactory;
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  private static final YAMLMapper sMapper;
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  static {
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    sFactory = new YAMLFactory();
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    sFactory.configure( MINIMIZE_QUOTES, true );
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    sFactory.configure( SPLIT_LINES, false );
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    sMapper = new YAMLMapper( sFactory );
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  }
34
35
  /**
36
   * Constructs a new instance that will use the given path to read the object
37
   * hierarchy from a data source.
38
   */
39
  public YamlTreeTransformer() {
40
  }
41
42
  @Override
43
  public String transform( final TreeItem<String> treeItem ) {
44
    try {
45
      final var root = sMapper.createObjectNode();
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47
      // Iterate over the root item's children. The root item is used by the
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      // application to ensure definitions can always be added to a tree, as
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      // such it is not meant to be exported, only its children.
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      for( final var child : treeItem.getChildren() ) {
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        transform( child, root );
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      }
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      return sMapper.writeValueAsString( root );
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    } catch( final Exception ex ) {
56
      clue( ex );
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      throw new RuntimeException( ex );
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    }
59
  }
60
61
  /**
62
   * Converts a YAML document to a {@link TreeItem} based on the document
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   * keys.
64
   *
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   * @param document The YAML document to convert to a hierarchy of
66
   *                 {@link TreeItem} instances.
67
   * @throws StackOverflowError If infinite recursion is encountered.
68
   */
69
  @Override
70
  public TreeItem<String> transform( final String document ) {
71
    final var jsonNode = toJson( document );
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    final var rootItem = createTreeItem( "root" );
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    transform( jsonNode, rootItem );
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76
    return rootItem;
77
  }
78
79
  private JsonNode toJson( final String yaml ) {
80
    try {
81
      return new ObjectMapper( sFactory ).readTree( yaml );
82
    } catch( final Exception ex ) {
83
      // Ensure that a document root node exists.
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      return new ObjectMapper().createObjectNode();
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    }
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  }
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  /**
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   * Recursive method to generate an object hierarchy that represents the
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   * given {@link TreeItem} hierarchy.
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   *
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   * @param item The {@link TreeItem} to reproduce as an object hierarchy.
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   * @param node The {@link ObjectNode} to update to reflect the
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   *             {@link TreeItem} hierarchy.
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   */
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  private void transform( final TreeItem<String> item, ObjectNode node ) {
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    final var children = item.getChildren();
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    // If the current item has more than one non-leaf child, it's an
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    // object node and must become a new nested object.
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    if( !(children.size() == 1 && children.get( 0 ).isLeaf()) ) {
102
      node = node.putObject( item.getValue() );
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    }
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    for( final var child : children ) {
106
      if( child.isLeaf() ) {
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        node.put( item.getValue(), child.getValue() );
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      }
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      else {
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        transform( child, node );
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      }
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    }
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  }
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  /**
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   * Iterate over a given root node (at any level of the tree) and adapt each
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   * leaf node.
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   *
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   * @param node A JSON node (YAML node) to adapt.
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   * @param item The tree item to use as the root when processing the node.
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   * @throws StackOverflowError If infinite recursion is encountered.
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   */
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  private void transform( final JsonNode node, final TreeItem<String> item ) {
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    node.fields().forEachRemaining( leaf -> transform( leaf, item ) );
125
  }
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  /**
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   * Recursively adapt each rootNode to a corresponding rootItem.
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   *
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   * @param node The node to adapt.
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   * @param item The item to adapt using the node's key.
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   * @throws StackOverflowError If infinite recursion is encountered.
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   */
134
  private void transform(
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    final Entry<String, JsonNode> node, final TreeItem<String> item ) {
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    final var leafNode = node.getValue();
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    final var key = node.getKey();
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    final var leaf = createTreeItem( key );
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    if( leafNode.isValueNode() ) {
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      leaf.getChildren().add( createTreeItem( node.getValue().asText() ) );
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    }
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    item.getChildren().add( leaf );
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    if( leafNode.isObject() ) {
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      transform( leafNode, leaf );
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    }
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  }
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  /**
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   * Creates a new {@link TreeItem} that can be added to the {@link TreeView}.
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   *
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   * @param value The node's value.
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   * @return A new {@link TreeItem}, never {@code null}.
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   */
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  private TreeItem<String> createTreeItem( final String value ) {
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    return new DefinitionTreeItem<>( value );
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  }
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}
1161
A src/main/java/com/keenwrite/editors/definition/yaml/package-info.java
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/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
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/**
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 * This package contains classes that can parse YAML documents into a GUI
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 * representation.
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 */
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package com.keenwrite.editors.definition.yaml;
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A src/main/java/com/keenwrite/editors/markdown/HyperlinkModel.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
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package com.keenwrite.editors.markdown;
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import com.vladsch.flexmark.ast.Link;
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/**
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 * Represents the model for a hyperlink: text, url, and title.
8
 */
9
public final class HyperlinkModel {
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  private String text;
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  private String url;
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  private String title;
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  /**
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   * Constructs a new hyperlink model in Markdown format by default with no
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   * title (i.e., tooltip).
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   *
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   * @param text The hyperlink text displayed (e.g., displayed to the user).
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   * @param url  The destination URL (e.g., when clicked).
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   */
22
  public HyperlinkModel( final String text, final String url ) {
23
    this( text, url, null );
24
  }
25
26
  /**
27
   * Constructs a new hyperlink model for the given AST link.
28
   *
29
   * @param link A Markdown link.
30
   */
31
  public HyperlinkModel( final Link link ) {
32
    this(
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      link.getText().toString(),
34
      link.getUrl().toString(),
35
      link.getTitle().toString()
36
    );
37
  }
38
39
  /**
40
   * Constructs a new hyperlink model in Markdown format by default.
41
   *
42
   * @param text  The hyperlink text displayed (e.g., displayed to the user).
43
   * @param url   The destination URL (e.g., when clicked).
44
   * @param title The hyperlink title (e.g., shown as a tooltip).
45
   */
46
  public HyperlinkModel(
47
    final String text, final String url, final String title ) {
48
    setText( text );
49
    setUrl( url );
50
    setTitle( title );
51
  }
52
53
  /**
54
   * Returns the string in Markdown format by default.
55
   *
56
   * @return A Markdown version of the hyperlink.
57
   */
58
  @Override
59
  public String toString() {
60
    String format = "%s%s%s";
61
62
    if( hasText() ) {
63
      format = "[%s]" + (hasTitle() ? "(%s \"%s\")" : "(%s%s)");
64
    }
65
66
    // Becomes ""+URL+"" if no text is set.
67
    // Becomes [TITLE]+(URL)+"" if no title is set.
68
    // Becomes [TITLE]+(URL+ \"TITLE\") if title is set.
69
    return String.format( format, getText(), getUrl(), getTitle() );
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  }
71
72
  public final void setText( final String text ) {
73
    this.text = sanitize( text );
74
  }
75
76
  public final void setUrl( final String url ) {
77
    this.url = sanitize( url );
78
  }
79
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  public final void setTitle( final String title ) {
81
    this.title = sanitize( title );
82
  }
83
84
  /**
85
   * Answers whether text has been set for the hyperlink.
86
   *
87
   * @return true This is a text link.
88
   */
89
  public boolean hasText() {
90
    return !getText().isEmpty();
91
  }
92
93
  /**
94
   * Answers whether a title (tooltip) has been set for the hyperlink.
95
   *
96
   * @return true There is a title.
97
   */
98
  public boolean hasTitle() {
99
    return !getTitle().isEmpty();
100
  }
101
102
  public String getText() {
103
    return this.text;
104
  }
105
106
  public String getUrl() {
107
    return this.url;
108
  }
109
110
  public String getTitle() {
111
    return this.title;
112
  }
113
114
  private String sanitize( final String s ) {
115
    return s == null ? "" : s;
116
  }
117
}
1118
A src/main/java/com/keenwrite/editors/markdown/LinkVisitor.java
1
/*
2
 * Copyright 2020-2021 White Magic Software, Ltd.
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 *
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 *  o Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 *
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 *  o Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
15
 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
package com.keenwrite.editors.markdown;
29
30
import com.vladsch.flexmark.ast.Link;
31
import com.vladsch.flexmark.util.ast.Node;
32
import com.vladsch.flexmark.util.ast.NodeVisitor;
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import com.vladsch.flexmark.util.ast.VisitHandler;
34
35
/**
36
 * Responsible for extracting a hyperlink from the document so that the user
37
 * can edit the link within a dialog.
38
 */
39
public final class LinkVisitor {
40
41
  private NodeVisitor mVisitor;
42
  private Link mLink;
43
  private final int mOffset;
44
45
  /**
46
   * Creates a hyperlink given an offset into a paragraph and the Markdown AST
47
   * link node.
48
   *
49
   * @param index Index into the paragraph that indicates the hyperlink to
50
   *              change.
51
   */
52
  public LinkVisitor( final int index ) {
53
    mOffset = index;
54
  }
55
56
  public Link process( final Node root ) {
57
    getVisitor().visit( root );
58
    return getLink();
59
  }
60
61
  /**
62
   * @param link Not null.
63
   */
64
  private void visit( final Link link ) {
65
    final int began = link.getStartOffset();
66
    final int ended = link.getEndOffset();
67
    final int index = getOffset();
68
69
    if( index >= began && index <= ended ) {
70
      setLink( link );
71
    }
72
  }
73
74
  private synchronized NodeVisitor getVisitor() {
75
    if( mVisitor == null ) {
76
      mVisitor = createVisitor();
77
    }
78
79
    return mVisitor;
80
  }
81
82
  protected NodeVisitor createVisitor() {
83
    return new NodeVisitor(
84
      new VisitHandler<>( Link.class, LinkVisitor.this::visit ) );
85
  }
86
87
  private Link getLink() {
88
    return mLink;
89
  }
90
91
  private void setLink( final Link link ) {
92
    mLink = link;
93
  }
94
95
  public int getOffset() {
96
    return mOffset;
97
  }
98
}
199
A src/main/java/com/keenwrite/editors/markdown/MarkdownEditor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.editors.markdown;
3
4
import com.keenwrite.Caret;
5
import com.keenwrite.Constants;
6
import com.keenwrite.editors.TextEditor;
7
import com.keenwrite.preferences.LocaleProperty;
8
import com.keenwrite.preferences.Workspace;
9
import com.keenwrite.spelling.impl.TextEditorSpeller;
10
import javafx.beans.binding.Bindings;
11
import javafx.beans.property.*;
12
import javafx.beans.value.ChangeListener;
13
import javafx.event.Event;
14
import javafx.scene.Node;
15
import javafx.scene.control.IndexRange;
16
import javafx.scene.input.KeyEvent;
17
import javafx.scene.layout.BorderPane;
18
import org.fxmisc.flowless.VirtualizedScrollPane;
19
import org.fxmisc.richtext.StyleClassedTextArea;
20
import org.fxmisc.richtext.model.StyleSpans;
21
import org.fxmisc.undo.UndoManager;
22
import org.fxmisc.wellbehaved.event.EventPattern;
23
import org.fxmisc.wellbehaved.event.Nodes;
24
25
import java.io.File;
26
import java.nio.charset.Charset;
27
import java.text.BreakIterator;
28
import java.util.*;
29
import java.util.function.Consumer;
30
import java.util.function.Supplier;
31
import java.util.regex.Pattern;
32
33
import static com.keenwrite.Constants.*;
34
import static com.keenwrite.MainApp.keyDown;
35
import static com.keenwrite.Messages.get;
36
import static com.keenwrite.events.StatusEvent.clue;
37
import static com.keenwrite.events.TextEditorFocusEvent.fireTextEditorFocus;
38
import static com.keenwrite.preferences.WorkspaceKeys.*;
39
import static java.lang.Character.isWhitespace;
40
import static java.lang.String.format;
41
import static java.util.Collections.singletonList;
42
import static javafx.application.Platform.runLater;
43
import static javafx.scene.control.ScrollPane.ScrollBarPolicy.ALWAYS;
44
import static javafx.scene.input.KeyCode.*;
45
import static javafx.scene.input.KeyCombination.CONTROL_DOWN;
46
import static javafx.scene.input.KeyCombination.SHIFT_DOWN;
47
import static org.apache.commons.lang3.StringUtils.stripEnd;
48
import static org.apache.commons.lang3.StringUtils.stripStart;
49
import static org.fxmisc.richtext.model.StyleSpans.singleton;
50
import static org.fxmisc.wellbehaved.event.EventPattern.keyPressed;
51
import static org.fxmisc.wellbehaved.event.InputMap.consume;
52
53
/**
54
 * Responsible for editing Markdown documents.
55
 */
56
public final class MarkdownEditor extends BorderPane implements TextEditor {
57
  /**
58
   * Regular expression that matches the type of markup block. This is used
59
   * when Enter is pressed to continue the block environment.
60
   */
61
  private static final Pattern PATTERN_AUTO_INDENT = Pattern.compile(
62
    "(\\s*[*+-]\\s+|\\s*[0-9]+\\.\\s+|\\s+)(.*)" );
63
64
  /**
65
   * The text editor.
66
   */
67
  private final StyleClassedTextArea mTextArea =
68
    new StyleClassedTextArea( false );
69
70
  /**
71
   * Wraps the text editor in scrollbars.
72
   */
73
  private final VirtualizedScrollPane<StyleClassedTextArea> mScrollPane =
74
    new VirtualizedScrollPane<>( mTextArea );
75
76
  private final Workspace mWorkspace;
77
78
  /**
79
   * Tracks where the caret is located in this document. This offers observable
80
   * properties for caret position changes.
81
   */
82
  private final Caret mCaret = createCaret( mTextArea );
83
84
  /**
85
   * File being edited by this editor instance.
86
   */
87
  private File mFile;
88
89
  /**
90
   * Set to {@code true} upon text or caret position changes. Value is {@code
91
   * false} by default.
92
   */
93
  private final BooleanProperty mDirty = new SimpleBooleanProperty();
94
95
  /**
96
   * Opened file's character encoding, or {@link Constants#DEFAULT_CHARSET} if
97
   * either no encoding could be determined or this is a new (empty) file.
98
   */
99
  private final Charset mEncoding;
100
101
  /**
102
   * Tracks whether the in-memory definitions have changed with respect to the
103
   * persisted definitions.
104
   */
105
  private final BooleanProperty mModified = new SimpleBooleanProperty();
106
107
  public MarkdownEditor( final Workspace workspace ) {
108
    this( DOCUMENT_DEFAULT, workspace );
109
  }
110
111
  public MarkdownEditor( final File file, final Workspace workspace ) {
112
    mEncoding = open( mFile = file );
113
    mWorkspace = workspace;
114
115
    initTextArea( mTextArea );
116
    initStyle( mTextArea );
117
    initScrollPane( mScrollPane );
118
    initSpellchecker( mTextArea );
119
    initHotKeys();
120
    initUndoManager();
121
  }
122
123
  private void initTextArea( final StyleClassedTextArea textArea ) {
124
    textArea.setWrapText( true );
125
    textArea.requestFollowCaret();
126
    textArea.moveTo( 0 );
127
128
    textArea.textProperty().addListener( ( c, o, n ) -> {
129
      // Fire, regardless of whether the caret position has changed.
130
      mDirty.set( false );
131
132
      // Prevent a caret position change from raising the dirty bits.
133
      mDirty.set( true );
134
    } );
135
136
    textArea.caretPositionProperty().addListener( ( c, o, n ) -> {
137
      // Fire when the caret position has changed and the text has not.
138
      mDirty.set( true );
139
      mDirty.set( false );
140
    } );
141
142
    textArea.focusedProperty().addListener( ( c, o, n ) -> {
143
      if( n != null && n ) {
144
        fireTextEditorFocus( this );
145
      }
146
    } );
147
  }
148
149
  private void initStyle( final StyleClassedTextArea textArea ) {
150
    textArea.getStyleClass().add( "markdown" );
151
152
    final var stylesheets = textArea.getStylesheets();
153
    stylesheets.add( getStylesheetPath( getLocale() ) );
154
155
    localeProperty().addListener( ( c, o, n ) -> {
156
      if( n != null ) {
157
        stylesheets.clear();
158
        stylesheets.add( getStylesheetPath( getLocale() ) );
159
      }
160
    } );
161
162
    fontNameProperty().addListener(
163
      ( c, o, n ) ->
164
        setFont( mTextArea, getFontName(), getFontSize() )
165
    );
166
167
    fontSizeProperty().addListener(
168
      ( c, o, n ) ->
169
        setFont( mTextArea, getFontName(), getFontSize() )
170
    );
171
172
    setFont( mTextArea, getFontName(), getFontSize() );
173
  }
174
175
  private void initScrollPane(
176
    final VirtualizedScrollPane<StyleClassedTextArea> scrollpane ) {
177
    scrollpane.setVbarPolicy( ALWAYS );
178
    setCenter( scrollpane );
179
  }
180
181
  private void initSpellchecker( final StyleClassedTextArea textarea ) {
182
    final var speller = new TextEditorSpeller();
183
    speller.checkDocument( textarea );
184
    speller.checkParagraphs( textarea );
185
  }
186
187
  private void initHotKeys() {
188
    addEventListener( keyPressed( ENTER ), this::onEnterPressed );
189
    addEventListener( keyPressed( X, CONTROL_DOWN ), this::cut );
190
    addEventListener( keyPressed( TAB ), this::tab );
191
    addEventListener( keyPressed( TAB, SHIFT_DOWN ), this::untab );
192
    addEventListener( keyPressed( INSERT ), this::onInsertPressed );
193
  }
194
195
  private void initUndoManager() {
196
    final var undoManager = getUndoManager();
197
    final var markedPosition = undoManager.atMarkedPositionProperty();
198
199
    undoManager.forgetHistory();
200
    undoManager.mark();
201
    mModified.bind( Bindings.not( markedPosition ) );
202
  }
203
204
  @Override
205
  public void moveTo( final int offset ) {
206
    assert 0 <= offset && offset <= mTextArea.getLength();
207
    mTextArea.moveTo( offset );
208
    mTextArea.requestFollowCaret();
209
  }
210
211
  /**
212
   * Delegate the focus request to the text area itself.
213
   */
214
  @Override
215
  public void requestFocus() {
216
    mTextArea.requestFocus();
217
  }
218
219
  @Override
220
  public void setText( final String text ) {
221
    mTextArea.clear();
222
    mTextArea.appendText( text );
223
    mTextArea.getUndoManager().mark();
224
  }
225
226
  @Override
227
  public String getText() {
228
    return mTextArea.getText();
229
  }
230
231
  @Override
232
  public Charset getEncoding() {
233
    return mEncoding;
234
  }
235
236
  @Override
237
  public File getFile() {
238
    return mFile;
239
  }
240
241
  @Override
242
  public void rename( final File file ) {
243
    mFile = file;
244
  }
245
246
  @Override
247
  public void undo() {
248
    final var manager = getUndoManager();
249
    xxdo( manager::isUndoAvailable, manager::undo, "Main.status.error.undo" );
250
  }
251
252
  @Override
253
  public void redo() {
254
    final var manager = getUndoManager();
255
    xxdo( manager::isRedoAvailable, manager::redo, "Main.status.error.redo" );
256
  }
257
258
  /**
259
   * Performs an undo or redo action, if possible, otherwise displays an error
260
   * message to the user.
261
   *
262
   * @param ready  Answers whether the action can be executed.
263
   * @param action The action to execute.
264
   * @param key    The informational message key having a value to display if
265
   *               the {@link Supplier} is not ready.
266
   */
267
  private void xxdo(
268
    final Supplier<Boolean> ready, final Runnable action, final String key ) {
269
    if( ready.get() ) {
270
      action.run();
271
    }
272
    else {
273
      clue( key );
274
    }
275
  }
276
277
  @Override
278
  public void cut() {
279
    final var selected = mTextArea.getSelectedText();
280
281
    // Emulate selecting the current line by firing Home then Shift+Down Arrow.
282
    if( selected == null || selected.isEmpty() ) {
283
      // Note: mTextArea.selectLine() does not select empty lines.
284
      mTextArea.fireEvent( keyDown( HOME, false ) );
285
      mTextArea.fireEvent( keyDown( DOWN, true ) );
286
    }
287
288
    mTextArea.cut();
289
  }
290
291
  @Override
292
  public void copy() {
293
    mTextArea.copy();
294
  }
295
296
  @Override
297
  public void paste() {
298
    mTextArea.paste();
299
  }
300
301
  @Override
302
  public void selectAll() {
303
    mTextArea.selectAll();
304
  }
305
306
  @Override
307
  public void bold() {
308
    enwrap( "**" );
309
  }
310
311
  @Override
312
  public void italic() {
313
    enwrap( "*" );
314
  }
315
316
  @Override
317
  public void superscript() {
318
    enwrap( "^" );
319
  }
320
321
  @Override
322
  public void subscript() {
323
    enwrap( "~" );
324
  }
325
326
  @Override
327
  public void strikethrough() {
328
    enwrap( "~~" );
329
  }
330
331
  @Override
332
  public void blockquote() {
333
    block( "> " );
334
  }
335
336
  @Override
337
  public void code() {
338
    enwrap( "`" );
339
  }
340
341
  @Override
342
  public void fencedCodeBlock() {
343
    enwrap( "\n\n```\n", "\n```\n\n" );
344
  }
345
346
  @Override
347
  public void heading( final int level ) {
348
    final var hashes = new String( new char[ level ] ).replace( "\0", "#" );
349
    block( format( "%s ", hashes ) );
350
  }
351
352
  @Override
353
  public void unorderedList() {
354
    block( "* " );
355
  }
356
357
  @Override
358
  public void orderedList() {
359
    block( "1. " );
360
  }
361
362
  @Override
363
  public void horizontalRule() {
364
    block( format( "---%n%n" ) );
365
  }
366
367
  @Override
368
  public Node getNode() {
369
    return this;
370
  }
371
372
  @Override
373
  public ReadOnlyBooleanProperty modifiedProperty() {
374
    return mModified;
375
  }
376
377
  @Override
378
  public void clearModifiedProperty() {
379
    getUndoManager().mark();
380
  }
381
382
  @Override
383
  public VirtualizedScrollPane<StyleClassedTextArea> getScrollPane() {
384
    return mScrollPane;
385
  }
386
387
  @Override
388
  public StyleClassedTextArea getTextArea() {
389
    return mTextArea;
390
  }
391
392
  private final Map<String, IndexRange> mStyles = new HashMap<>();
393
394
  @Override
395
  public void stylize( final IndexRange range, final String style ) {
396
    final var began = range.getStart();
397
    final var ended = range.getEnd() + 1;
398
399
    assert 0 <= began && began <= ended;
400
    assert style != null;
401
402
    // TODO: Ensure spell check and find highlights can coexist.
403
//    final var spans = mTextArea.getStyleSpans( range );
404
//    System.out.println( "SPANS: " + spans );
405
406
//    final var spans = mTextArea.getStyleSpans( range );
407
//    mTextArea.setStyleSpans( began, merge( spans, range.getLength(), style
408
//    ) );
409
410
//    final var builder = new StyleSpansBuilder<Collection<String>>();
411
//    builder.add( singleton( style ), range.getLength() + 1 );
412
//    mTextArea.setStyleSpans( began, builder.create() );
413
414
//    final var s = mTextArea.getStyleSpans( began, ended );
415
//    System.out.println( "STYLES: " +s );
416
417
    mStyles.put( style, range );
418
    mTextArea.setStyleClass( began, ended, style );
419
420
    // Ensure that whenever the user interacts with the text that the found
421
    // word will have its highlighting removed. The handler removes itself.
422
    // This won't remove the highlighting if the caret position moves by mouse.
423
    final var handler = mTextArea.getOnKeyPressed();
424
    mTextArea.setOnKeyPressed( ( event ) -> {
425
      mTextArea.setOnKeyPressed( handler );
426
      unstylize( style );
427
    } );
428
429
    //mTextArea.setStyleSpans(began, ended, s);
430
  }
431
432
  private static StyleSpans<Collection<String>> merge(
433
    StyleSpans<Collection<String>> spans, int len, String style ) {
434
    spans = spans.overlay(
435
      singleton( singletonList( style ), len ),
436
      ( bottomSpan, list ) -> {
437
        final List<String> l =
438
          new ArrayList<>( bottomSpan.size() + list.size() );
439
        l.addAll( bottomSpan );
440
        l.addAll( list );
441
        return l;
442
      } );
443
444
    return spans;
445
  }
446
447
  @Override
448
  public void unstylize( final String style ) {
449
    final var indexes = mStyles.remove( style );
450
    if( indexes != null ) {
451
      mTextArea.clearStyle( indexes.getStart(), indexes.getEnd() + 1 );
452
    }
453
  }
454
455
  @Override
456
  public Caret getCaret() {
457
    return mCaret;
458
  }
459
460
  private Caret createCaret( final StyleClassedTextArea editor ) {
461
    return Caret
462
      .builder()
463
      .with( Caret.Mutator::setEditor, editor )
464
      .build();
465
  }
466
467
  /**
468
   * This method adds listeners to editor events.
469
   *
470
   * @param <T>      The event type.
471
   * @param <U>      The consumer type for the given event type.
472
   * @param event    The event of interest.
473
   * @param consumer The method to call when the event happens.
474
   */
475
  public <T extends Event, U extends T> void addEventListener(
476
    final EventPattern<? super T, ? extends U> event,
477
    final Consumer<? super U> consumer ) {
478
    Nodes.addInputMap( mTextArea, consume( event, consumer ) );
479
  }
480
481
  private void onEnterPressed( final KeyEvent ignored ) {
482
    final var currentLine = getCaretParagraph();
483
    final var matcher = PATTERN_AUTO_INDENT.matcher( currentLine );
484
485
    // By default, insert a new line by itself.
486
    String newText = NEWLINE;
487
488
    // If the pattern was matched then determine what block type to continue.
489
    if( matcher.matches() ) {
490
      if( matcher.group( 2 ).isEmpty() ) {
491
        final var pos = mTextArea.getCaretPosition();
492
        mTextArea.selectRange( pos - currentLine.length(), pos );
493
      }
494
      else {
495
        // Indent the new line with the same whitespace characters and
496
        // list markers as current line. This ensures that the indentation
497
        // is propagated.
498
        newText = newText.concat( matcher.group( 1 ) );
499
      }
500
    }
501
502
    mTextArea.replaceSelection( newText );
503
  }
504
505
  /**
506
   * TODO: 105 - Insert key toggle overwrite (typeover) mode
507
   *
508
   * @param ignored Unused.
509
   */
510
  private void onInsertPressed( final KeyEvent ignored ) {
511
  }
512
513
  private void cut( final KeyEvent event ) {
514
    cut();
515
  }
516
517
  private void tab( final KeyEvent event ) {
518
    final var range = mTextArea.selectionProperty().getValue();
519
    final var sb = new StringBuilder( 1024 );
520
521
    if( range.getLength() > 0 ) {
522
      final var selection = mTextArea.getSelectedText();
523
524
      selection.lines().forEach(
525
        ( l ) -> sb.append( "\t" ).append( l ).append( NEWLINE )
526
      );
527
    }
528
    else {
529
      sb.append( "\t" );
530
    }
531
532
    mTextArea.replaceSelection( sb.toString() );
533
  }
534
535
  private void untab( final KeyEvent event ) {
536
    final var range = mTextArea.selectionProperty().getValue();
537
538
    if( range.getLength() > 0 ) {
539
      final var selection = mTextArea.getSelectedText();
540
      final var sb = new StringBuilder( selection.length() );
541
542
      selection.lines().forEach(
543
        ( l ) -> sb.append( l.startsWith( "\t" ) ? l.substring( 1 ) : l )
544
                   .append( NEWLINE )
545
      );
546
547
      mTextArea.replaceSelection( sb.toString() );
548
    }
549
    else {
550
      final var p = getCaretParagraph();
551
552
      if( p.startsWith( "\t" ) ) {
553
        mTextArea.selectParagraph();
554
        mTextArea.replaceSelection( p.substring( 1 ) );
555
      }
556
    }
557
  }
558
559
  /**
560
   * Observers may listen for changes to the property returned from this method
561
   * to receive notifications when either the text or caret have changed. This
562
   * should not be used to track whether the text has been modified.
563
   */
564
  public void addDirtyListener( ChangeListener<Boolean> listener ) {
565
    mDirty.addListener( listener );
566
  }
567
568
  /**
569
   * Surrounds the selected text or word under the caret in Markdown markup.
570
   *
571
   * @param token The beginning and ending token for enclosing the text.
572
   */
573
  private void enwrap( final String token ) {
574
    enwrap( token, token );
575
  }
576
577
  /**
578
   * Surrounds the selected text or word under the caret in Markdown markup.
579
   *
580
   * @param began The beginning token for enclosing the text.
581
   * @param ended The ending token for enclosing the text.
582
   */
583
  private void enwrap( final String began, String ended ) {
584
    // Ensure selected text takes precedence over the word at caret position.
585
    final var selected = mTextArea.selectionProperty().getValue();
586
    final var range = selected.getLength() == 0
587
      ? getCaretWord()
588
      : selected;
589
    String text = mTextArea.getText( range );
590
591
    int length = range.getLength();
592
    text = stripStart( text, null );
593
    final int beganIndex = range.getStart() + (length - text.length());
594
595
    length = text.length();
596
    text = stripEnd( text, null );
597
    final int endedIndex = range.getEnd() - (length - text.length());
598
599
    mTextArea.replaceText( beganIndex, endedIndex, began + text + ended );
600
  }
601
602
  /**
603
   * Inserts the given block-level markup at the current caret position
604
   * within the document. This will prepend two blank lines to ensure that
605
   * the block element begins at the start of a new line.
606
   *
607
   * @param markup The text to insert at the caret.
608
   */
609
  private void block( final String markup ) {
610
    final int pos = mTextArea.getCaretPosition();
611
    mTextArea.insertText( pos, format( "%n%n%s", markup ) );
612
  }
613
614
  /**
615
   * Returns the caret position within the current paragraph.
616
   *
617
   * @return A value from 0 to the length of the current paragraph.
618
   */
619
  private int getCaretColumn() {
620
    return mTextArea.getCaretColumn();
621
  }
622
623
  @Override
624
  public IndexRange getCaretWord() {
625
    final var paragraph = getCaretParagraph();
626
    final var length = paragraph.length();
627
    final var column = getCaretColumn();
628
629
    var began = column;
630
    var ended = column;
631
632
    while( began > 0 && !isWhitespace( paragraph.charAt( began - 1 ) ) ) {
633
      began--;
634
    }
635
636
    while( ended < length && !isWhitespace( paragraph.charAt( ended ) ) ) {
637
      ended++;
638
    }
639
640
    final var iterator = BreakIterator.getWordInstance();
641
    iterator.setText( paragraph );
642
643
    while( began < length && iterator.isBoundary( began + 1 ) ) {
644
      began++;
645
    }
646
647
    while( ended > 0 && iterator.isBoundary( ended - 1 ) ) {
648
      ended--;
649
    }
650
651
    final var offset = getCaretDocumentOffset( column );
652
653
    return IndexRange.normalize( began + offset, ended + offset );
654
  }
655
656
  private int getCaretDocumentOffset( final int column ) {
657
    return mTextArea.getCaretPosition() - column;
658
  }
659
660
  /**
661
   * Returns the index of the paragraph where the caret resides.
662
   *
663
   * @return A number greater than or equal to 0.
664
   */
665
  private int getCurrentParagraph() {
666
    return mTextArea.getCurrentParagraph();
667
  }
668
669
  /**
670
   * Returns the text for the paragraph that contains the caret.
671
   *
672
   * @return A non-null string, possibly empty.
673
   */
674
  private String getCaretParagraph() {
675
    return getText( getCurrentParagraph() );
676
  }
677
678
  @Override
679
  public String getText( final int paragraph ) {
680
    return mTextArea.getText( paragraph );
681
  }
682
683
  @Override
684
  public String getText( final IndexRange indexes )
685
    throws IndexOutOfBoundsException {
686
    return mTextArea.getText( indexes.getStart(), indexes.getEnd() );
687
  }
688
689
  @Override
690
  public void replaceText( final IndexRange indexes, final String s ) {
691
    mTextArea.replaceText( indexes, s );
692
  }
693
694
  private UndoManager<?> getUndoManager() {
695
    return mTextArea.getUndoManager();
696
  }
697
698
  /**
699
   * Returns the path to a {@link Locale}-specific stylesheet.
700
   *
701
   * @return A non-null string to inject into the HTML document head.
702
   */
703
  private static String getStylesheetPath( final Locale locale ) {
704
    return get(
705
      sSettings.getSetting( STYLESHEET_MARKDOWN_LOCALE, "" ),
706
      locale.getLanguage(),
707
      locale.getScript(),
708
      locale.getCountry()
709
    );
710
  }
711
712
  private Locale getLocale() {
713
    return localeProperty().toLocale();
714
  }
715
716
  private LocaleProperty localeProperty() {
717
    return mWorkspace.localeProperty( KEY_LANGUAGE_LOCALE );
718
  }
719
720
  /**
721
   * Sets the font family name and font size at the same time. When the
722
   * workspace is loaded, the default font values are changed, which results
723
   * in this method being called.
724
   *
725
   * @param area Change the font settings for this text area.
726
   * @param name New font family name to apply.
727
   * @param points New font size to apply (in points, not pixels).
728
   */
729
  private void setFont(
730
    final StyleClassedTextArea area, final String name, final double points ) {
731
    runLater( () -> area.setStyle(
732
      format(
733
        "-fx-font-family:'%s';-fx-font-size:%spx;", name, toPixels( points )
734
      )
735
    ) );
736
  }
737
738
  private String getFontName() {
739
    return fontNameProperty().get();
740
  }
741
742
  private StringProperty fontNameProperty() {
743
    return mWorkspace.stringProperty( KEY_UI_FONT_EDITOR_NAME );
744
  }
745
746
  private double getFontSize() {
747
    return fontSizeProperty().get();
748
  }
749
750
  private DoubleProperty fontSizeProperty() {
751
    return mWorkspace.doubleProperty( KEY_UI_FONT_EDITOR_SIZE );
752
  }
753
}
1754
A src/main/java/com/keenwrite/events/AppEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import static com.keenwrite.events.Bus.post;
5
6
/**
7
 * Marker interface for all application events.
8
 */
9
public interface AppEvent {
10
11
  /**
12
   * Submits this event to the {@link Bus}.
13
   */
14
  default void fire() {
15
    post( this );
16
  }
17
}
118
A src/main/java/com/keenwrite/events/Bus.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import org.greenrobot.eventbus.EventBus;
5
6
/**
7
 * Responsible for delegating interactions to the event bus library. This
8
 * class decouples the rest of the application from a particular event bus
9
 * implementation.
10
 */
11
public class Bus {
12
  private static final EventBus sEventBus = EventBus
13
    .builder().logNoSubscriberMessages( false ).installDefaultEventBus();
14
15
  public static <Subscriber> void register( final Subscriber subscriber ) {
16
    sEventBus.register( subscriber );
17
  }
18
19
  public static <Subscriber> void unregister( final Subscriber subscriber ) {
20
    sEventBus.unregister( subscriber );
21
  }
22
23
  public static <Event> void post( final Event event ) {
24
    sEventBus.post( event );
25
  }
26
}
127
A src/main/java/com/keenwrite/events/CaretNavigationEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import com.keenwrite.ui.outline.DocumentOutline;
5
6
/**
7
 * Collates information about a caret event, which is typically triggered when
8
 * the user double-clicks in the {@link DocumentOutline}.
9
 */
10
public class CaretNavigationEvent implements AppEvent {
11
  /**
12
   * Absolute document offset.
13
   */
14
  private final int mOffset;
15
16
  private CaretNavigationEvent( final int offset ) {
17
    mOffset = offset;
18
  }
19
20
  /**
21
   * Publishes an event that requests moving the caret to the given offset.
22
   *
23
   * @param offset Move the caret to this document offset.
24
   */
25
  public static void fireCaretNavigationEvent( final int offset ) {
26
    new CaretNavigationEvent( offset ).fire();
27
  }
28
29
  public int getOffset() {
30
    return mOffset;
31
  }
32
}
133
A src/main/java/com/keenwrite/events/DocumentChangedEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import org.jsoup.nodes.Document;
5
6
import static com.keenwrite.util.MurmurHash.hash32;
7
import static java.lang.System.currentTimeMillis;
8
9
/**
10
 * Collates information about an HTML document that has changed.
11
 */
12
public class DocumentChangedEvent implements AppEvent {
13
  private static final int SEED = (int) currentTimeMillis();
14
15
  private final String mText;
16
17
  /**
18
   * Hash the document so subscribers are only informed upon changes.
19
   */
20
  private static int sHash;
21
22
  /**
23
   * Creates an event with the new plain text document, having all variables
24
   * substituted and all markup removed.
25
   *
26
   * @param text The document text that has changed since the last time this
27
   *             type of event was fired.
28
   */
29
  private DocumentChangedEvent( final String text ) {
30
    mText = text;
31
  }
32
33
  /**
34
   * When the given document may have changed. This will only fire a change
35
   * event if the given document has changed from the last time this
36
   * event was fired. The document is first converted to plain text before
37
   * the comparison is made.
38
   *
39
   * @param html The document that may have changed.
40
   */
41
  public static void fireDocumentChangedEvent( final Document html ) {
42
    final var text = html.wholeText();
43
    final var hash = hash32( text, 0, text.length(), SEED );
44
45
    if( hash != sHash ) {
46
      sHash = hash;
47
      new DocumentChangedEvent( text ).fire();
48
    }
49
  }
50
51
  /**
52
   * Returns the text that has changed.
53
   *
54
   * @return The new document text.
55
   */
56
  public String getDocument() {
57
    return mText;
58
  }
59
60
  /**
61
   * Returns the document.
62
   *
63
   * @return The value from {@link #getDocument()}.
64
   */
65
  @Override
66
  public String toString() {
67
    return getDocument();
68
  }
69
}
170
A src/main/java/com/keenwrite/events/FileOpenEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import com.keenwrite.preview.HtmlPanel;
5
6
import java.net.URI;
7
8
/**
9
 * Collates information about a file requested to be opened. This can be called
10
 * when the user clicks a hyperlink in the {@link HtmlPanel}.
11
 */
12
public class FileOpenEvent implements AppEvent {
13
  private final URI mUri;
14
15
  private FileOpenEvent( final URI uri ) {
16
    assert uri != null;
17
    mUri = uri;
18
  }
19
20
  /**
21
   * Fires a new file open event using the given {@link URI} instance.
22
   *
23
   * @param uri The instance of {@link URI} to open as a file in a text editor.
24
   */
25
  public static void fireFileOpenEvent( final URI uri ) {
26
    new FileOpenEvent( uri ).fire();
27
  }
28
29
  /**
30
   * Returns the requested file name to be opened.
31
   *
32
   * @return A file reference that can be opened in a text editor.
33
   */
34
  public URI getUri() {
35
    return mUri;
36
  }
37
}
138
A src/main/java/com/keenwrite/events/FocusEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
/**
5
 * Collates information about an object that has gained focus. This is typically
6
 * used by text resource editors (such as text editors and definition editors).
7
 */
8
public class FocusEvent<T> implements AppEvent {
9
  private final T mNode;
10
11
  protected FocusEvent( final T node ) {
12
    mNode = node;
13
  }
14
15
  /**
16
   * This method is used to help update the UI whenever a component has gained
17
   * input focus.
18
   *
19
   * @return The object that has gained focus.
20
   */
21
  public T get() {
22
    return mNode;
23
  }
24
}
125
A src/main/java/com/keenwrite/events/ParseHeadingEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import com.keenwrite.processors.Processor;
5
6
/**
7
 * Collates information about a document heading that has been parsed, after
8
 * all pertinent {@link Processor}s applied.
9
 */
10
public class ParseHeadingEvent implements AppEvent {
11
  private static final int NEW_OUTLINE_LEVEL = 0;
12
13
  /**
14
   * The heading text, which may be {@code null} upon creating a new outline.
15
   */
16
  private final String mText;
17
18
  /**
19
   * The heading level, which will be set to {@link #NEW_OUTLINE_LEVEL} if this
20
   * event indicates that the existing outline should be cleared anew.
21
   */
22
  private final int mLevel;
23
24
  /**
25
   * Offset into the text where the heading is found.
26
   */
27
  private final int mOffset;
28
29
  private ParseHeadingEvent(
30
    final int level, final String text, final int offset ) {
31
    mText = text;
32
    mLevel = level;
33
    mOffset = offset;
34
  }
35
36
  /**
37
   * Call to indicate a new outline is to be created.
38
   */
39
  public static void fireNewOutlineEvent() {
40
    new ParseHeadingEvent( NEW_OUTLINE_LEVEL, "Document", 0 ).fire();
41
  }
42
43
  /**
44
   * Call to indicate that a new heading must be added to the document outline.
45
   *
46
   * @param text   The heading text (parsed and processed).
47
   * @param level  A value between 1 and 6.
48
   * @param offset Absolute offset into document where heading is found.
49
   */
50
  public static void fireNewHeadingEvent(
51
    final int level, final String text, final int offset ) {
52
    assert text != null;
53
    assert 1 <= level && level <= 6;
54
    assert 0 <= offset;
55
    new ParseHeadingEvent( level, text, offset ).fire();
56
  }
57
58
  public boolean isNewOutline() {
59
    return getLevel() == NEW_OUTLINE_LEVEL;
60
  }
61
62
  public int getLevel() {
63
    return mLevel;
64
  }
65
66
  /**
67
   * Returns the text description for the heading.
68
   *
69
   * @return The post-parsed and processed heading text from the document.
70
   */
71
  public String getText() {
72
    return mText;
73
  }
74
75
  /**
76
   * Returns an offset into the document where the heading is found.
77
   *
78
   * @return A zero-based document offset.
79
   */
80
  public int getOffset() {
81
    return mOffset;
82
  }
83
84
  @Override
85
  public String toString() {
86
    return getText();
87
  }
88
}
189
A src/main/java/com/keenwrite/events/StatusEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import com.keenwrite.MainApp;
5
6
import java.util.stream.Collectors;
7
8
import static com.keenwrite.Constants.NEWLINE;
9
import static com.keenwrite.Constants.STATUS_BAR_OK;
10
import static com.keenwrite.Messages.get;
11
import static java.util.Arrays.stream;
12
13
/**
14
 * Collates information about an application issue. The issues can be
15
 * exceptions, state problems, parsing errors, and so forth.
16
 */
17
public class StatusEvent implements AppEvent {
18
  private static final String PACKAGE_NAME = MainApp.class.getPackageName();
19
20
  /**
21
   * Indicates that there are no issues to bring to the user's attention.
22
   */
23
  private static final StatusEvent OK =
24
    new StatusEvent( get( STATUS_BAR_OK, "OK" ) );
25
26
  /**
27
   * Detailed information about a problem.
28
   */
29
  private final String mMessage;
30
31
  /**
32
   * Provides stack trace information that isolates the cause.
33
   */
34
  private final Throwable mProblem;
35
36
  /**
37
   * Constructs a new event that contains a problem description to help the
38
   * user resolve an issue encountered while using the application.
39
   *
40
   * @param message The human-readable message, typically displayed on-screen.
41
   */
42
  public StatusEvent( final String message ) {
43
    this( message, null );
44
  }
45
46
  /**
47
   * Constructs a new event that contains a problem description to help the
48
   * user resolve an issue encountered while using the application.
49
   *
50
   * @param message The human-readable message, typically displayed on-screen.
51
   * @param problem Stack trace to pin-point the problem, may be {@code null}.
52
   */
53
  public StatusEvent( final String message, final Throwable problem ) {
54
    assert message != null;
55
    mMessage = message;
56
    mProblem = problem;
57
  }
58
59
  /**
60
   * Returns the stack trace information for the issue encountered. This is
61
   * optional because usually a status message isn't an application error.
62
   *
63
   * @return Optional stack trace to pin-point the problem area in the code.
64
   */
65
  public String getProblem() {
66
    // 256 is arbitrary; stack traces shouldn't be much larger.
67
    final var sb = new StringBuilder( 256 );
68
    final var trace = mProblem;
69
70
    if( trace != null ) {
71
      stream( trace.getStackTrace() )
72
        .takeWhile( StatusEvent::filter )
73
        .limit( 10 )
74
        .collect( Collectors.toList() )
75
        .forEach( e -> sb.append( e.toString() ).append( NEWLINE ) );
76
    }
77
78
    return sb.toString();
79
  }
80
81
  private static boolean filter( final StackTraceElement e ) {
82
    final var clazz = e.getClassName();
83
    return clazz.contains( PACKAGE_NAME ) ||
84
      clazz.contains( "org.renjin." ) ||
85
      clazz.contains( "sun." ) ||
86
      clazz.contains( "flexmark." ) ||
87
      clazz.contains( "java." );
88
  }
89
90
  /**
91
   * Returns the message used to construct the event.
92
   *
93
   * @return The message for this event.
94
   */
95
  public String getMessage() {
96
    return mMessage;
97
  }
98
99
  /**
100
   * Resets the status bar to a default message.
101
   */
102
  public static void clue() {
103
    OK.fire();
104
  }
105
106
  /**
107
   * Updates the status bar with a custom message.
108
   *
109
   * @param key  The property key having a value to populate with arguments.
110
   * @param args The placeholder values to substitute into the key's value.
111
   */
112
  public static void clue( final String key, final Object... args ) {
113
    fireStatusEvent( get( key, args ) );
114
  }
115
116
  /**
117
   * Update the status bar with a pre-parsed message and exception.
118
   *
119
   * @param message The custom message to log.
120
   * @param problem The exception that triggered the status update.
121
   */
122
  public static void clue( final String message, final Throwable problem ) {
123
    fireStatusEvent( message, problem );
124
  }
125
126
  /**
127
   * Called when an exception occurs that warrants the user's attention.
128
   *
129
   * @param problem The exception with a message to display to the user.
130
   */
131
  public static void clue( final Throwable problem ) {
132
    fireStatusEvent( problem.getMessage(), problem );
133
  }
134
135
  private static void fireStatusEvent( final String message ) {
136
    new StatusEvent( message ).fire();
137
  }
138
139
  private static void fireStatusEvent(
140
    final String message, final Throwable problem ) {
141
    new StatusEvent( message, problem ).fire();
142
  }
143
}
1144
A src/main/java/com/keenwrite/events/TextDefinitionFocusEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import com.keenwrite.editors.TextDefinition;
5
6
public class TextDefinitionFocusEvent extends FocusEvent<TextDefinition> {
7
  protected TextDefinitionFocusEvent( final TextDefinition editor ) {
8
    super( editor );
9
  }
10
11
  /**
12
   * When the {@link TextDefinition} editor has focus, fire an event so that
13
   * subscribers may perform an action.
14
   *
15
   * @param editor The instance of editor that has gained input focus.
16
   */
17
  public static void fireTextDefinitionFocus( final TextDefinition editor ) {
18
    new TextDefinitionFocusEvent( editor ).fire();
19
  }
20
}
121
A src/main/java/com/keenwrite/events/TextEditorFocusEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
import com.keenwrite.editors.TextEditor;
5
6
public class TextEditorFocusEvent extends FocusEvent<TextEditor> {
7
  protected TextEditorFocusEvent( final TextEditor editor ) {
8
    super( editor );
9
  }
10
11
  /**
12
   * When the {@link TextEditor} has focus, fire an event so that subscribers
13
   * may perform an action---such as parsing and rendering the contents.
14
   *
15
   * @param editor The instance of editor that has gained input focus.
16
   */
17
  public static void fireTextEditorFocus( final TextEditor editor ) {
18
    new TextEditorFocusEvent( editor ).fire();
19
  }
20
}
121
A src/main/java/com/keenwrite/events/WordCountEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.events;
3
4
/**
5
 * Collates information about the word count changing.
6
 */
7
public class WordCountEvent implements AppEvent {
8
  /**
9
   * Number of words in the document.
10
   */
11
  private final int mCount;
12
13
  private WordCountEvent( final int count ) {
14
    mCount = count;
15
  }
16
17
  /**
18
   * Publishes an event that indicates the number of words in the document.
19
   *
20
   * @param count The approximate number of words in the document.
21
   */
22
  public static void fireWordCountEvent( final int count ) {
23
    new WordCountEvent( count ).fire();
24
  }
25
26
  public int getCount() {
27
    return mCount;
28
  }
29
}
130
A src/main/java/com/keenwrite/exceptions/MissingFileException.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.exceptions;
3
4
import java.io.FileNotFoundException;
5
6
import static com.keenwrite.Messages.get;
7
8
/**
9
 * Responsible for informing the user when a file cannot be found.
10
 * This avoids duplicating the error message prefix.
11
 */
12
public final class MissingFileException extends FileNotFoundException {
13
  /**
14
   * Constructs a new {@link MissingFileException} using the given path.
15
   *
16
   * @param uri The path to the file resource that could not be found.
17
   */
18
  public MissingFileException( final String uri ) {
19
    super( get( "Main.status.error.file.missing", uri ) );
20
  }
21
}
122
A src/main/java/com/keenwrite/heuristics/package-info.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
3
/**
4
 * This package contains classes to help with word count. In logographic,
5
 * or other non-alphabetic languages, word tokenization cannot rely on
6
 * spaces. Instead, we need to employ a more sophisticated approach using
7
 * natural language parsing (NLP).
8
 */
9
package com.keenwrite.heuristics;
110
A src/main/java/com/keenwrite/io/FileEvent.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import java.io.File;
5
import java.util.EventObject;
6
7
/**
8
 * Responsible for indicating that a file has been modified by the file system.
9
 */
10
public class FileEvent extends EventObject {
11
12
  /**
13
   * Constructs a new event that indicates the source of a file system event.
14
   *
15
   * @param file The {@link File} that has succumb to a file system event.
16
   */
17
  public FileEvent( final File file ) {
18
    super( file );
19
  }
20
21
  /**
22
   * Returns the source as an instance of {@link File}.
23
   *
24
   * @return The {@link File} being watched.
25
   */
26
  public File getFile() {
27
    return (File) getSource();
28
  }
29
}
130
A src/main/java/com/keenwrite/io/FileModifiedListener.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import java.util.EventListener;
5
import java.util.function.Consumer;
6
7
/**
8
 * Responsible for informing listeners when a file has been modified.
9
 */
10
public interface FileModifiedListener
11
  extends EventListener, Consumer<FileEvent> {
12
}
113
A src/main/java/com/keenwrite/io/FileType.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
/**
5
 * Represents different file type classifications. These are high-level mappings
6
 * that correspond to the list of glob patterns found within {@code
7
 * settings.properties}.
8
 */
9
public enum FileType {
10
11
  ALL( "all" ),
12
  RMARKDOWN( "rmarkdown" ),
13
  RXML( "rxml" ),
14
  SOURCE( "source" ),
15
  DEFINITION( "definition" ),
16
  XML( "xml" ),
17
  CSV( "csv" ),
18
  JSON( "json" ),
19
  TOML( "toml" ),
20
  YAML( "yaml" ),
21
  PROPERTIES( "properties" ),
22
  UNKNOWN( "unknown" );
23
24
  private final String mType;
25
26
  /**
27
   * Default constructor for enumerated file type.
28
   *
29
   * @param type Human-readable name for the file type.
30
   */
31
  FileType( final String type ) {
32
    mType = type;
33
  }
34
35
  /**
36
   * Returns the file type that corresponds to the given string.
37
   *
38
   * @param type The string to compare against this enumeration of file types.
39
   * @return The corresponding File Type for the given string.
40
   * @throws IllegalArgumentException Type not found.
41
   */
42
  public static FileType from( final String type ) {
43
    for( final FileType fileType : FileType.values() ) {
44
      if( fileType.isType( type ) ) {
45
        return fileType;
46
      }
47
    }
48
49
    throw new IllegalArgumentException( type );
50
  }
51
52
  /**
53
   * Answers whether this file type matches the given string, case insensitive
54
   * comparison.
55
   *
56
   * @param type Presumably a file name extension to check against.
57
   * @return true The given extension corresponds to this enumerated type.
58
   */
59
  public boolean isType( final String type ) {
60
    return getType().equalsIgnoreCase( type );
61
  }
62
63
  /**
64
   * Returns the human-readable name for the file type.
65
   *
66
   * @return A non-null instance.
67
   */
68
  private String getType() {
69
    return mType;
70
  }
71
72
  /**
73
   * Returns the lowercase version of the file name extension.
74
   *
75
   * @return The file name, in lower case.
76
   */
77
  @Override
78
  public String toString() {
79
    return getType();
80
  }
81
}
182
A src/main/java/com/keenwrite/io/FileWatchService.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import org.renjin.repackaged.guava.collect.BiMap;
5
import org.renjin.repackaged.guava.collect.HashBiMap;
6
7
import java.io.File;
8
import java.io.IOException;
9
import java.nio.file.Path;
10
import java.nio.file.WatchKey;
11
import java.nio.file.WatchService;
12
import java.util.Set;
13
import java.util.concurrent.ConcurrentHashMap;
14
15
import static java.nio.file.FileSystems.getDefault;
16
import static java.nio.file.StandardWatchEventKinds.ENTRY_MODIFY;
17
import static java.util.Collections.newSetFromMap;
18
19
/**
20
 * Responsible for watching when a file has been changed.
21
 */
22
public class FileWatchService implements Runnable {
23
  /**
24
   * Set to {@code false} when {@link #stop()} is called.
25
   */
26
  private volatile boolean mRunning;
27
28
  /**
29
   * Contains the listeners to notify when a given file has changed.
30
   */
31
  private final Set<FileModifiedListener> mListeners =
32
    newSetFromMap( new ConcurrentHashMap<>() );
33
  private final WatchService mWatchService;
34
  private final BiMap<File, WatchKey> mWatched = HashBiMap.create();
35
36
  /**
37
   * Creates a new file system watch service with the given files to watch.
38
   *
39
   * @param files The files to watch for file system events.
40
   */
41
  public FileWatchService( final File... files ) {
42
    mWatchService = createWatchService();
43
44
    try {
45
      for( final var file : files ) {
46
        register( file );
47
      }
48
    } catch( final Exception ex ) {
49
      throw new RuntimeException( ex );
50
    }
51
  }
52
53
  /**
54
   * Runs the event handler until {@link #stop()} is called.
55
   *
56
   * @throws RuntimeException There was an error watching for file events.
57
   */
58
  @Override
59
  public void run() {
60
    mRunning = true;
61
62
    while( mRunning ) {
63
      handleEvents();
64
    }
65
  }
66
67
  private void handleEvents() {
68
    try {
69
      final var watchKey = mWatchService.take();
70
71
      for( final var pollEvent : watchKey.pollEvents() ) {
72
        final var watchable = (Path) watchKey.watchable();
73
        final var context = (Path) pollEvent.context();
74
        final var file = watchable.resolve( context ).toFile();
75
76
        if( mWatched.containsKey( file ) ) {
77
          final var fileEvent = new FileEvent( file );
78
79
          for( final var listener : mListeners ) {
80
            listener.accept( fileEvent );
81
          }
82
        }
83
      }
84
85
      if( !watchKey.reset() ) {
86
        unregister( watchKey );
87
      }
88
    } catch( final Exception ex ) {
89
      throw new RuntimeException( ex );
90
    }
91
  }
92
93
  /**
94
   * Adds the given {@link File}'s containing directory to the watch list. When
95
   * the given {@link File} is modified, this service will receive a
96
   * notification that the containing directory has been modified, which will
97
   * then be filtered by file name.
98
   * <p>
99
   * This method is idempotent.
100
   * </p>
101
   *
102
   * @param file The {@link File} to watch for modification events.
103
   * @return The {@link File}'s directory watch state.
104
   * @throws IOException              Could not register the directory.
105
   * @throws IllegalArgumentException The {@link File} has no parent directory.
106
   */
107
  public WatchKey register( final File file ) throws IOException {
108
    if( mWatched.containsKey( file ) ) {
109
      return mWatched.get( file );
110
    }
111
112
    final var path = getParentDirectory( file );
113
    final var watchKey = path.register( mWatchService, ENTRY_MODIFY );
114
115
    return mWatched.put( file, watchKey );
116
  }
117
118
  /**
119
   * Removes the given {@link File}'s containing directory from the watch list.
120
   * <p>
121
   * This method is idempotent.
122
   * </p>
123
   *
124
   * @param file The {@link File} to no longer watch.
125
   * @throws IllegalArgumentException The {@link File} has no parent directory.
126
   */
127
  public void unregister( final File file ) {
128
    mWatched.remove( cancel( file ) );
129
  }
130
131
  /**
132
   * Cancels watching the given file for file system changes.
133
   *
134
   * @param file The {@link File} to watch for file events.
135
   * @return The given file, always.
136
   */
137
  private File cancel( final File file ) {
138
    final var watchKey = mWatched.get( file );
139
140
    if( watchKey != null ) {
141
      watchKey.cancel();
142
    }
143
144
    return file;
145
  }
146
147
  /**
148
   * Removes the given {@link WatchKey} from the registration map.
149
   *
150
   * @param watchKey The {@link WatchKey} to remove from the map.
151
   */
152
  private void unregister( final WatchKey watchKey ) {
153
    unregister( mWatched.inverse().get( watchKey ) );
154
  }
155
156
  /**
157
   * Adds a listener to be notified when a file under watch has been modified.
158
   * Listeners are backed by a set.
159
   *
160
   * @param listener The {@link FileModifiedListener} to add to the list.
161
   * @return {@code true} if this set did not already contain listener.
162
   */
163
  public boolean addListener( final FileModifiedListener listener ) {
164
    return mListeners.add( listener );
165
  }
166
167
  /**
168
   * Removes a listener from the notify list.
169
   *
170
   * @param listener The {@link FileModifiedListener} to remove.
171
   * @return {@code true} if this contained the given listener.
172
   */
173
  public boolean removeListener( final FileModifiedListener listener ) {
174
    return mListeners.remove( listener );
175
  }
176
177
  /**
178
   * Shuts down the file watch service and clears both watchers and listeners.
179
   *
180
   * @throws IOException Could not close the watch service.
181
   */
182
  public void stop() throws IOException {
183
    mRunning = false;
184
185
    for( final var file : mWatched.keySet() ) {
186
      cancel( file );
187
    }
188
189
    mWatched.clear();
190
    mListeners.clear();
191
    mWatchService.close();
192
  }
193
194
  /**
195
   * Returns the directory containing the given {@link File} instance.
196
   *
197
   * @param file The {@link File}'s containing directory to watch.
198
   * @return The {@link Path} to the {@link File}'s directory.
199
   * @throws IllegalArgumentException The {@link File} has no parent directory.
200
   */
201
  private Path getParentDirectory( final File file ) {
202
    assert file != null;
203
    assert !file.isDirectory();
204
205
    final var directory = file.getParentFile();
206
207
    if( directory == null ) {
208
      throw new IllegalArgumentException( file.getAbsolutePath() );
209
    }
210
211
    return directory.toPath();
212
  }
213
214
  private WatchService createWatchService() {
215
    try {
216
      return getDefault().newWatchService();
217
    } catch( final Exception ex ) {
218
      // Create a fallback that allows the class to be instantiated and used
219
      // without without preventing the application from launching.
220
      return new PollingWatchService();
221
    }
222
  }
223
}
1224
A src/main/java/com/keenwrite/io/HttpMediaType.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import java.net.MalformedURLException;
5
import java.net.URI;
6
import java.net.URL;
7
import java.net.http.HttpClient;
8
import java.net.http.HttpRequest;
9
10
import static com.keenwrite.events.StatusEvent.clue;
11
import static com.keenwrite.io.MediaType.UNDEFINED;
12
import static java.net.http.HttpClient.Redirect.NORMAL;
13
import static java.net.http.HttpRequest.BodyPublishers.noBody;
14
import static java.net.http.HttpResponse.BodyHandlers.ofString;
15
import static java.time.Duration.ofSeconds;
16
17
/**
18
 * Responsible for determining {@link MediaType} based on the content-type from
19
 * an HTTP request.
20
 */
21
public final class HttpMediaType {
22
23
  private static final HttpClient HTTP_CLIENT = HttpClient
24
    .newBuilder()
25
    .connectTimeout( ofSeconds( 10 ) )
26
    .followRedirects( NORMAL )
27
    .build();
28
29
  /**
30
   * Performs an HTTP HEAD request to determine the media type based on the
31
   * Content-Type header returned from the server.
32
   *
33
   * @param uri Determine the media type for this resource.
34
   * @return The data type for the resource or {@link MediaType#UNDEFINED} if
35
   * unmapped.
36
   * @throws MalformedURLException The {@link URI} could not be converted to
37
   *                               an instance of {@link URL}.
38
   */
39
  public static MediaType valueFrom( final URI uri )
40
    throws MalformedURLException {
41
    final var mediaType = new MediaType[]{UNDEFINED};
42
43
    try {
44
      clue( "Main.status.image.request.init" );
45
      final var request = HttpRequest
46
        .newBuilder()
47
        .method( "HEAD", noBody() )
48
        .uri( uri )
49
        .build();
50
      clue( "Main.status.image.request.fetch", uri.getHost() );
51
      final var response = HTTP_CLIENT.send( request, ofString() );
52
      final var headers = response.headers();
53
      final var map = headers.map();
54
55
      map.forEach( ( key, values ) -> {
56
        if( "content-type".equalsIgnoreCase( key ) ) {
57
          var header = values.get( 0 );
58
          // Trim off the character encoding.
59
          var i = header.indexOf( ';' );
60
          header = header.substring( 0, i == -1 ? header.length() : i );
61
62
          // Split the type and subtype.
63
          i = header.indexOf( '/' );
64
          i = i == -1 ? header.length() : i;
65
          final var type = header.substring( 0, i );
66
          final var subtype = header.substring( i + 1 );
67
68
          mediaType[ 0 ] = MediaType.valueFrom( type, subtype );
69
          clue( "Main.status.image.request.success", mediaType[ 0 ] );
70
        }
71
      } );
72
73
      clue();
74
    } catch( final Exception ex ) {
75
      clue( ex );
76
    }
77
78
    return mediaType[ 0 ];
79
  }
80
}
181
A src/main/java/com/keenwrite/io/MediaType.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import java.io.File;
5
import java.nio.file.Path;
6
7
import static com.keenwrite.io.MediaType.TypeName.*;
8
import static com.keenwrite.io.MediaTypeExtensions.getMediaType;
9
import static org.apache.commons.io.FilenameUtils.getExtension;
10
11
/**
12
 * Defines various file formats and format contents.
13
 *
14
 * @see
15
 * <a href="https://www.iana.org/assignments/media-types/media-types.xhtml">IANA
16
 * Media Types</a>
17
 */
18
public enum MediaType {
19
  /*
20
   * Internal values applied to non-editor tabs.
21
   */
22
  APP_DOCUMENT_OUTLINE(
23
    APPLICATION, "x-document-outline"
24
  ),
25
  APP_DOCUMENT_STATISTICS(
26
    APPLICATION, "x-document-statistics"
27
  ),
28
29
  /*
30
   * Internal values used to distinguish document outline tabs from editors.
31
   */
32
  APP_JAVA_OBJECT(
33
    APPLICATION, "x-java-serialized-object"
34
  ),
35
36
  /*
37
   * Standard font types.
38
   */
39
  FONT_OTF( "otf" ),
40
  FONT_TTF( "ttf" ),
41
42
  /*
43
   * Standard image types.
44
   */
45
  IMAGE_APNG( "apng" ),
46
  IMAGE_ACES( "aces" ),
47
  IMAGE_AVCI( "avci" ),
48
  IMAGE_AVCS( "avcs" ),
49
  IMAGE_BMP( "bmp" ),
50
  IMAGE_CGM( "cgm" ),
51
  IMAGE_DICOM_RLE( "dicom_rle" ),
52
  IMAGE_EMF( "emf" ),
53
  IMAGE_EXAMPLE( "example" ),
54
  IMAGE_FITS( "fits" ),
55
  IMAGE_G3FAX( "g3fax" ),
56
  IMAGE_GIF( "gif" ),
57
  IMAGE_HEIC( "heic" ),
58
  IMAGE_HEIF( "heif" ),
59
  IMAGE_HEJ2K( "hej2k" ),
60
  IMAGE_HSJ2( "hsj2" ),
61
  IMAGE_X_ICON( "x-icon" ),
62
  IMAGE_JLS( "jls" ),
63
  IMAGE_JP2( "jp2" ),
64
  IMAGE_JPEG( "jpeg" ),
65
  IMAGE_JPH( "jph" ),
66
  IMAGE_JPHC( "jphc" ),
67
  IMAGE_JPM( "jpm" ),
68
  IMAGE_JPX( "jpx" ),
69
  IMAGE_JXR( "jxr" ),
70
  IMAGE_JXRA( "jxrA" ),
71
  IMAGE_JXRS( "jxrS" ),
72
  IMAGE_JXS( "jxs" ),
73
  IMAGE_JXSC( "jxsc" ),
74
  IMAGE_JXSI( "jxsi" ),
75
  IMAGE_JXSS( "jxss" ),
76
  IMAGE_KTX( "ktx" ),
77
  IMAGE_KTX2( "ktx2" ),
78
  IMAGE_NAPLPS( "naplps" ),
79
  IMAGE_PNG( "png" ),
80
  IMAGE_SVG_XML( "svg+xml" ),
81
  IMAGE_T38( "t38" ),
82
  IMAGE_TIFF( "tiff" ),
83
  IMAGE_WEBP( "webp" ),
84
  IMAGE_WMF( "wmf" ),
85
86
  /*
87
   * Document types for editing or displaying documents, mix of standard and
88
   * application-specific.
89
   */
90
  TEXT_HTML( TEXT, "html" ),
91
  TEXT_MARKDOWN( TEXT, "markdown" ),
92
  TEXT_PLAIN( TEXT, "plain" ),
93
  TEXT_R_MARKDOWN( TEXT, "R+markdown" ),
94
  TEXT_R_XML( TEXT, "R+xml" ),
95
  TEXT_YAML( TEXT, "yaml" ),
96
97
  /*
98
   * When all other lights go out.
99
   */
100
  UNDEFINED( TypeName.UNDEFINED, "undefined" );
101
102
  /**
103
   * The IANA-defined types.
104
   */
105
  public enum TypeName {
106
    APPLICATION,
107
    IMAGE,
108
    TEXT,
109
    UNDEFINED
110
  }
111
112
  /**
113
   * The fully qualified IANA-defined media type.
114
   */
115
  private final String mMediaType;
116
117
  /**
118
   * The IANA-defined type name.
119
   */
120
  private final TypeName mTypeName;
121
122
  /**
123
   * The IANA-defined subtype name.
124
   */
125
  private final String mSubtype;
126
127
  /**
128
   * Constructs an instance using the default type name of "image".
129
   *
130
   * @param subtype The image subtype name.
131
   */
132
  MediaType( final String subtype ) {
133
    this( IMAGE, subtype );
134
  }
135
136
  /**
137
   * Constructs an instance using an IANA-defined type and subtype pair.
138
   *
139
   * @param typeName The media type's type name.
140
   * @param subtype  The media type's subtype name.
141
   */
142
  MediaType( final TypeName typeName, final String subtype ) {
143
    mTypeName = typeName;
144
    mSubtype = subtype;
145
    mMediaType = typeName.toString().toLowerCase() + '/' + subtype;
146
  }
147
148
  /**
149
   * Returns the {@link MediaType} associated with the given file.
150
   *
151
   * @param file Has a file name that may contain an extension associated with
152
   *             a known {@link MediaType}.
153
   * @return {@link MediaType#UNDEFINED} if the extension has not been
154
   * assigned, otherwise the {@link MediaType} associated with this
155
   * {@link File}'s file name extension.
156
   */
157
  public static MediaType valueFrom( final File file ) {
158
    return valueFrom( file.getName() );
159
  }
160
161
  /**
162
   * Returns the {@link MediaType} associated with the path to a file.
163
   *
164
   * @param path Has a file name that may contain an extension associated with
165
   *             a known {@link MediaType}.
166
   * @return {@link MediaType#UNDEFINED} if the extension has not been
167
   * assigned, otherwise the {@link MediaType} associated with this
168
   * {@link File}'s file name extension.
169
   */
170
  public static MediaType valueFrom( final Path path ) {
171
    return valueFrom( path.toFile() );
172
  }
173
174
  /**
175
   * Returns the {@link MediaType} associated with the given file name.
176
   *
177
   * @param filename The file name that may contain an extension associated
178
   *                 with a known {@link MediaType}.
179
   * @return {@link MediaType#UNDEFINED} if the extension has not been
180
   * assigned, otherwise the {@link MediaType} associated with this
181
   * URL's file name extension.
182
   */
183
  public static MediaType valueFrom( final String filename ) {
184
    return getMediaType( getExtension( filename ) );
185
  }
186
187
  /**
188
   * Returns the {@link MediaType} for the given type and subtype names.
189
   *
190
   * @param type    The IANA-defined type name.
191
   * @param subtype The IANA-defined subtype name.
192
   * @return {@link MediaType#UNDEFINED} if there is no {@link MediaType} that
193
   * matches the given type and subtype names.
194
   */
195
  public static MediaType valueFrom(
196
    final String type, final String subtype ) {
197
    for( final var mediaType : MediaType.values() ) {
198
      if( mediaType.equals( type, subtype ) ) {
199
        return mediaType;
200
      }
201
    }
202
203
    return UNDEFINED;
204
  }
205
206
  /**
207
   * Answers whether the given type and subtype names equal this enumerated
208
   * value. This performs a case-insensitive comparison.
209
   *
210
   * @param type    The type name to compare against this {@link MediaType}.
211
   * @param subtype The subtype name to compare against this {@link MediaType}.
212
   * @return {@code true} when the type and subtype name match.
213
   */
214
  public boolean equals( final String type, final String subtype ) {
215
    return mTypeName.name().equalsIgnoreCase( type ) &&
216
      mSubtype.equalsIgnoreCase( subtype );
217
  }
218
219
  /**
220
   * Answers whether the given {@link TypeName} matches this type name.
221
   *
222
   * @param typeName The {@link TypeName} to compare against the internal value.
223
   * @return {@code true} if the given value is the same IANA-defined type name.
224
   */
225
  public boolean isType( final TypeName typeName ) {
226
    return mTypeName == typeName;
227
  }
228
229
  /**
230
   * Returns the IANA-defined type and sub-type.
231
   *
232
   * @return The unique media type identifier.
233
   */
234
  public String toString() {
235
    return mMediaType;
236
  }
237
238
  /**
239
   * Used by {@link MediaTypeExtensions} to initialize associations where the
240
   * subtype name and the file name extension have a 1:1 mapping.
241
   *
242
   * @return The IANA subtype value.
243
   */
244
  String getSubtype() {
245
    return mSubtype;
246
  }
247
}
1248
A src/main/java/com/keenwrite/io/MediaTypeExtensions.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import java.util.Set;
5
6
import static com.keenwrite.io.MediaType.*;
7
import static java.util.Set.of;
8
9
/**
10
 * Responsible for associating file extensions with {@link MediaType} instances.
11
 */
12
enum MediaTypeExtensions {
13
  MEDIA_FONT_OTF( FONT_OTF ),
14
  MEDIA_FONT_TTF( FONT_TTF ),
15
16
  MEDIA_IMAGE_APNG( IMAGE_APNG ),
17
  MEDIA_IMAGE_BMP( IMAGE_BMP ),
18
  MEDIA_IMAGE_GIF( IMAGE_GIF ),
19
  MEDIA_IMAGE_ICO( IMAGE_X_ICON, of( "ico", "cur" ) ),
20
  MEDIA_IMAGE_JPEG( IMAGE_JPEG, of( "jpg", "jpeg", "jfif", "pjpeg", "pjp" ) ),
21
  MEDIA_IMAGE_PNG( IMAGE_PNG ),
22
  MEDIA_IMAGE_SVG( IMAGE_SVG_XML, of( "svg" ) ),
23
  MEDIA_IMAGE_TIFF( IMAGE_TIFF, of( "tif", "tiff" ) ),
24
  MEDIA_IMAGE_WEBP( IMAGE_WEBP ),
25
26
  MEDIA_TEXT_MARKDOWN( TEXT_MARKDOWN, of(
27
    "md", "markdown", "mdown", "mdtxt", "mdtext", "mdwn", "mkd", "mkdown",
28
    "mkdn" ) ),
29
  MEDIA_TEXT_PLAIN( TEXT_PLAIN, of( "asc", "ascii", "txt", "text", "utxt" ) ),
30
  MEDIA_TEXT_R_MARKDOWN( TEXT_R_MARKDOWN, of( "Rmd" ) ),
31
  MEDIA_TEXT_R_XML( TEXT_R_XML, of( "Rxml" ) ),
32
  MEDIA_TEXT_YAML( TEXT_YAML, of( "yaml", "yml" ) );
33
34
  private final MediaType mMediaType;
35
  private final Set<String> mExtensions;
36
37
  /**
38
   * Several media types have only one corresponding standard file name
39
   * extension; this constructor calls {@link MediaType#getSubtype()} to obtain
40
   * said extension. Some {@link MediaType}s have a single extension but their
41
   * assigned IANA name differs (e.g., {@code svg} maps to {@code svg+xml})
42
   * and thus must not use this constructor.
43
   *
44
   * @param mediaType The {@link MediaType} containing only one extension.
45
   */
46
  MediaTypeExtensions( final MediaType mediaType ) {
47
    this( mediaType, of( mediaType.getSubtype() ) );
48
  }
49
50
  /**
51
   * Constructs an association of file name extensions to a single {@link
52
   * MediaType}.
53
   *
54
   * @param mediaType  The {@link MediaType} to associate with the given
55
   *                   file name extensions.
56
   * @param extensions The file name extensions used to lookup a corresponding
57
   *                   {@link MediaType}.
58
   */
59
  MediaTypeExtensions(
60
    final MediaType mediaType, final Set<String> extensions ) {
61
    assert mediaType != null;
62
    assert extensions != null;
63
    assert !extensions.isEmpty();
64
65
    mMediaType = mediaType;
66
    mExtensions = extensions;
67
  }
68
69
  /**
70
   * Returns the {@link MediaType} associated with the given file name
71
   * extension. The extension must not contain a period.
72
   *
73
   * @param extension File name extension, case insensitive, {@code null}-safe.
74
   * @return The associated {@link MediaType} as defined by IANA.
75
   */
76
  static MediaType getMediaType( final String extension ) {
77
    final var sanitized = sanitize( extension );
78
79
    for( final var mediaType : MediaTypeExtensions.values() ) {
80
      if( mediaType.isType( sanitized ) ) {
81
        return mediaType.getMediaType();
82
      }
83
    }
84
85
    return UNDEFINED;
86
  }
87
88
  private boolean isType( final String sanitized ) {
89
    for( final var extension : mExtensions ) {
90
      if( extension.equalsIgnoreCase( sanitized ) ) {
91
        return true;
92
      }
93
    }
94
95
    return false;
96
  }
97
98
  private static String sanitize( final String extension ) {
99
    return extension == null ? "" : extension.toLowerCase();
100
  }
101
102
  private MediaType getMediaType() {
103
    return mMediaType;
104
  }
105
}
1106
A src/main/java/com/keenwrite/io/PollingWatchService.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import java.nio.file.WatchEvent;
5
import java.nio.file.WatchKey;
6
import java.nio.file.WatchService;
7
import java.nio.file.Watchable;
8
import java.util.List;
9
import java.util.concurrent.TimeUnit;
10
11
/**
12
 * Responsible for polling the file system to see whether a file has been
13
 * updated. This is instantiated when an instance of {@link WatchService}
14
 * cannot be created using the Java API.
15
 * <p>
16
 * This is a skeleton class to avoid {@code null} references. In theory,
17
 * it should never get instantiated. If the application is run on a system
18
 * that does not support file system events, this should eliminate NPEs.
19
 * </p>
20
 */
21
public class PollingWatchService implements WatchService {
22
  private final WatchKey EMPTY_KEY = new WatchKey() {
23
    private final Watchable WATCHABLE = new Watchable() {
24
      @Override
25
      public WatchKey register(
26
        final WatchService watcher,
27
        final WatchEvent.Kind<?>[] events,
28
        final WatchEvent.Modifier... modifiers ) {
29
        return EMPTY_KEY;
30
      }
31
32
      @Override
33
      public WatchKey register(
34
        final WatchService watcher, final WatchEvent.Kind<?>... events ) {
35
        return EMPTY_KEY;
36
      }
37
    };
38
39
    @Override
40
    public boolean isValid() {
41
      return false;
42
    }
43
44
    @Override
45
    public List<WatchEvent<?>> pollEvents() {
46
      return List.of();
47
    }
48
49
    @Override
50
    public boolean reset() {
51
      return false;
52
    }
53
54
    @Override
55
    public void cancel() {
56
    }
57
58
    @Override
59
    public Watchable watchable() {
60
      return WATCHABLE;
61
    }
62
  };
63
64
  @Override
65
  public void close() {
66
  }
67
68
  @Override
69
  public WatchKey poll() {
70
    return EMPTY_KEY;
71
  }
72
73
  @Override
74
  public WatchKey poll( final long timeout, final TimeUnit unit ) {
75
    return EMPTY_KEY;
76
  }
77
78
  @Override
79
  public WatchKey take() {
80
    return EMPTY_KEY;
81
  }
82
}
183
A src/main/java/com/keenwrite/predicates/PredicateFactory.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.predicates;
3
4
import java.io.File;
5
import java.util.Collection;
6
import java.util.function.Predicate;
7
8
import static java.lang.String.join;
9
import static java.nio.file.FileSystems.getDefault;
10
11
/**
12
 * Provides a number of simple {@link Predicate} instances for various types
13
 * of string comparisons, including basic strings and file name strings.
14
 */
15
public final class PredicateFactory {
16
  /**
17
   * Creates an instance of {@link Predicate} that matches a globbed file
18
   * name pattern.
19
   *
20
   * @param pattern The file name pattern to match.
21
   * @return A {@link Predicate} that can answer whether a given file name
22
   * matches the given glob pattern.
23
   */
24
  public static Predicate<File> createFileTypePredicate(
25
      final String pattern ) {
26
    final var matcher = getDefault().getPathMatcher(
27
        "glob:**{" + pattern + "}"
28
    );
29
30
    return file -> matcher.matches( file.toPath() );
31
  }
32
33
  /**
34
   * Creates an instance of {@link Predicate} that matches any file name from
35
   * a {@link Collection} of file name patterns. The given patterns are joined
36
   * with commas into a single comma-separated list.
37
   *
38
   * @param patterns The file name patterns to be matched.
39
   * @return A {@link Predicate} that can answer whether a given file name
40
   * matches the given glob patterns.
41
   */
42
  public static Predicate<File> createFileTypePredicate(
43
      final Collection<String> patterns ) {
44
    return createFileTypePredicate( join( ",", patterns ) );
45
  }
46
47
  /**
48
   * Creates an instance of {@link Predicate} that compares whether the given
49
   * {@code reference} string is contained by the comparator. Comparison is
50
   * case-insensitive. The test will also pass if the comparate is empty.
51
   *
52
   * @param comparator The string to check as being contained.
53
   * @return A {@link Predicate} that can answer whether the given string
54
   * is contained within the comparator, or the comparate is empty.
55
   */
56
  public static Predicate<String> createStringContainsPredicate(
57
      final String comparator ) {
58
    return comparate -> comparate.isEmpty() ||
59
        comparate.toLowerCase().contains( comparator.toLowerCase() );
60
  }
161
62
  /**
63
   * Creates an instance of {@link Predicate} that compares whether the given
64
   * {@code reference} string is starts with the comparator. Comparison is
65
   * case-insensitive.
66
   *
67
   * @param comparator The string to check as being contained.
68
   * @return A {@link Predicate} that can answer whether the given string
69
   * is contained within the comparator.
70
   */
71
  public static Predicate<String> createStringStartsPredicate(
72
      final String comparator ) {
73
    return comparate ->
74
        comparate.toLowerCase().startsWith( comparator.toLowerCase() );
75
  }
76
}
A src/main/java/com/keenwrite/preferences/FileProperty.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import javafx.beans.property.SimpleObjectProperty;
5
6
import java.io.File;
7
8
public final class FileProperty extends SimpleObjectProperty<File> {
9
  public FileProperty( final File file ) {
10
    super( file );
11
  }
12
13
  public void setValue( final String filename ) {
14
    setValue( new File( filename ) );
15
  }
16
}
117
A src/main/java/com/keenwrite/preferences/Key.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
/**
5
 * Responsible for creating a type hierarchy of preference storage keys.
6
 */
7
public class Key {
8
  private final Key mParent;
9
  private final String mName;
10
11
  private Key( final Key parent, final String name ) {
12
    mParent = parent;
13
    mName = name;
14
  }
15
16
  /**
17
   * Returns a new key with no parent.
18
   *
19
   * @param name The key name, never {@code null}.
20
   * @return The new {@link Key} instance with a name but no parent.
21
   */
22
  public static Key key( final String name ) {
23
    assert name != null && !name.isEmpty();
24
    return key( null, name );
25
  }
26
27
  /**
28
   * Returns a new key with a given parent.
29
   *
30
   * @param parent The parent of this {@link Key}, or {@code null} if this is
31
   *               the topmost key in the chain.
32
   * @param name   The key name, never {@code null}.
33
   * @return The new {@link Key} instance with a name and parent.
34
   */
35
  public static Key key( final Key parent, final String name ) {
36
    assert name != null && !name.isEmpty();
37
    return new Key( parent, name );
38
  }
39
40
  private Key parent() {
41
    return mParent;
42
  }
43
44
  private String name() {
45
    return mName;
46
  }
47
48
  /**
49
   * Returns a dot-separated path representing the key's name.
50
   *
51
   * @return The recursively derived dot-separated key name.
52
   */
53
  @Override
54
  public String toString() {
55
    return parent() == null ? name() : parent().toString() + '.' + name();
56
  }
57
}
158
A src/main/java/com/keenwrite/preferences/LocaleProperty.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import javafx.beans.property.SimpleObjectProperty;
5
import javafx.collections.ObservableList;
6
7
import java.util.LinkedHashMap;
8
import java.util.Locale;
9
import java.util.Map;
10
import java.util.Objects;
11
12
import static com.keenwrite.Constants.LOCALE_DEFAULT;
13
import static com.keenwrite.preferences.Workspace.listProperty;
14
import static java.util.Locale.forLanguageTag;
15
16
/**
17
 * Responsible for providing a list of locales from which the user may pick.
18
 */
19
public final class LocaleProperty extends SimpleObjectProperty<String> {
20
21
  /**
22
   * Lists the locales having fonts that are supported by the application.
23
   * When the Markdown and preview CSS files are loaded, a general file is
24
   * first loaded, then a specific file is loaded according to the locale.
25
   * The specific file overrides font families so that different languages
26
   * may be presented.
27
   * <p>
28
   * Using an instance of {@link LinkedHashMap} preserves display order.
29
   * </p>
30
   * <p>
31
   * See
32
   * <a href="https://www.oracle.com/java/technologies/javase/jdk12locales.html">JDK 12 Locales</a>
33
   * for details.
34
   * </p>
35
   */
36
  private static final Map<String, Locale> sLocales = new LinkedHashMap<>();
37
38
  static {
39
    final String[] tags = {
40
      "en-Latn-AU",
41
      "en-Latn-CA",
42
      "en-Latn-GB",
43
      "en-Latn-NZ",
44
      "en-Latn-US",
45
      "en-Latn-ZA",
46
      "ja-Jpan-JP",
47
      "ko-Kore-KR",
48
      "zh-Hans-CN",
49
      "zh-Hans-SG",
50
      "zh-Hant-HK",
51
      "zh-Hant-TW",
52
    };
53
54
    for( final var tag : tags ) {
55
      final var locale = forLanguageTag( tag );
56
      sLocales.put( locale.getDisplayName(), locale );
57
    }
58
  }
59
60
  public LocaleProperty( final Locale locale ) {
61
    super( sanitize( locale ).getDisplayName() );
62
  }
63
64
  public static String parseLocale( final String languageTag ) {
65
    final var locale = forLanguageTag( languageTag );
66
    final var key = getKey( sLocales, locale );
67
    return key == null ? LOCALE_DEFAULT.getDisplayName() : key;
68
  }
69
70
  public static String toLanguageTag( final String displayName ) {
71
    return sLocales.getOrDefault( displayName, LOCALE_DEFAULT ).toLanguageTag();
72
  }
73
74
  public Locale toLocale() {
75
    return sLocales.getOrDefault( getValue(), LOCALE_DEFAULT );
76
  }
77
78
  private static Locale sanitize( final Locale locale ) {
79
    // If the language is "und"efined then use the default locale.
80
    return locale == null || "und".equalsIgnoreCase( locale.toLanguageTag() )
81
      ? LOCALE_DEFAULT
82
      : locale;
83
  }
84
85
  public static ObservableList<String> localeListProperty() {
86
    return listProperty( sLocales.keySet() );
87
  }
88
89
  /**
90
   * Performs an O(n) search through the given map to find the key that is
91
   * mapped to the given value. A bi-directional map would be faster, but
92
   * also introduces additional dependencies. This doesn't need to be fast
93
   * because it happens once, at start up, and there aren't a lot of values.
94
   *
95
   * @param map   The map containing a key to find based on a value.
96
   * @param value The value to find within the map.
97
   * @param <K>   The type of key associated with a value.
98
   * @param <V>   The type of value associated with a key.
99
   * @return The key that corresponds to the given value, or {@code null} if
100
   * the key is not found.
101
   */
102
  @SuppressWarnings( "SameParameterValue" )
103
  private static <K, V> K getKey( final Map<K, V> map, final V value ) {
104
    for( final var entry : map.entrySet() ) {
105
      if( Objects.equals( value, entry.getValue() ) ) {
106
        return entry.getKey();
107
      }
108
    }
109
110
    return null;
111
  }
112
}
1113
A src/main/java/com/keenwrite/preferences/LocaleScripts.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import java.util.Collections;
5
import java.util.HashMap;
6
import java.util.Locale;
7
import java.util.Map;
8
9
import static java.util.Arrays.asList;
10
11
/**
12
 * Responsible for adding an ISO 15924 alpha-4 script code to {@link Locale}
13
 * instances. This allows all {@link Locale} objects to produce language tags
14
 * using the same format.
15
 */
16
public final class LocaleScripts {
17
  /**
18
   * ISO 15924 alpha-4 script code to represent Latin scripts.
19
   */
20
  private static final String SCRIPT_LATIN = "Latn";
21
22
  /**
23
   * This value is returned when a script hasn't been mapped for an instance of
24
   * {@link Locale}.
25
   */
26
  private static final Map<String, String> SCRIPT_DEFAULT = m( SCRIPT_LATIN );
27
28
  private static final Map<String, Map<String, String>> SCRIPTS =
29
    new HashMap<>();
30
31
  static {
32
    put( "en", m( "Latn" ) );
33
    put( "jp", m( "Jpan" ) );
34
    put( "ko", m( "Kore" ) );
35
    put( "zh", m( "Hant" ), m( "Hans", "CN", "MN", "MY", "SG" ) );
36
  }
37
38
  /**
39
   * Adds a script to a given {@link Locale} object. If the given {@link Locale}
40
   * already has a script, then it is returned unchanged.
41
   *
42
   * @param locale The {@link Locale} to update with its associated script.
43
   * @return The given {@link Locale} with a script included.
44
   */
45
  public static Locale withScript( Locale locale ) {
46
    assert locale != null;
47
48
    final var script = locale.getScript();
49
50
    if( script == null || script.isBlank() ) {
51
      final var builder = new Locale.Builder();
52
      builder.setLocale( locale );
53
      builder.setScript( getScript( locale ) );
54
      locale = builder.build();
55
    }
56
57
    return locale;
58
  }
59
60
  @SafeVarargs
61
  private static void put(
62
    final String language, final Map<String, String>... scripts ) {
63
    final var merged = new HashMap<String, String>();
64
    asList( scripts ).forEach( merged::putAll );
65
    SCRIPTS.put( language, merged );
66
  }
67
68
  /**
69
   * Returns the ISO 15924 alpha-4 script code for the given {@link Locale}.
70
   *
71
   * @param locale Language and country are used to find the script code.
72
   * @return The ISO code for the given locale, or {@link #SCRIPT_LATIN} if
73
   * no code has been mapped yet.
74
   */
75
  private static String getScript( final Locale locale ) {
76
    return SCRIPTS.getOrDefault( locale.getLanguage(), SCRIPT_DEFAULT )
77
                  .getOrDefault( locale.getCountry(), SCRIPT_LATIN );
78
  }
79
80
  /**
81
   * Helper method to instantiate a new {@link Map} having all keys referencing
82
   * the same value.
83
   *
84
   * @param v The value to associate with each key.
85
   * @param k The keys to associate with the given value.
86
   * @return A new {@link Map} with all keys referencing the same value.
87
   */
88
  private static Map<String, String> m( final String v, final String... k ) {
89
    final var map = new HashMap<String, String>();
90
    asList( k ).forEach( ( key ) -> map.put( key, v ) );
91
    return Collections.unmodifiableMap( map );
92
  }
93
94
  /**
95
   * Helper method to instantiate a new {@link Map} having an empty key
96
   * referencing the given value. This provides a default value so that
97
   * an unmapped country code can return a valid script code.
98
   *
99
   * @param v The value to associate with an empty key.
100
   * @return A new {@link Map} with the empty key referencing the given value.
101
   */
102
  private static Map<String, String> m( final String v ) {
103
    return m( v, "" );
104
  }
105
}
1106
A src/main/java/com/keenwrite/preferences/PreferencesController.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import com.dlsc.formsfx.model.structure.StringField;
5
import com.dlsc.preferencesfx.PreferencesFx;
6
import com.dlsc.preferencesfx.PreferencesFxEvent;
7
import com.dlsc.preferencesfx.model.Category;
8
import com.dlsc.preferencesfx.model.Group;
9
import com.dlsc.preferencesfx.model.Setting;
10
import com.dlsc.preferencesfx.view.NavigationView;
11
import javafx.beans.property.DoubleProperty;
12
import javafx.beans.property.ObjectProperty;
13
import javafx.beans.property.StringProperty;
14
import javafx.event.EventHandler;
15
import javafx.scene.Node;
16
import javafx.scene.control.Button;
17
import javafx.scene.control.DialogPane;
18
import javafx.scene.control.Label;
19
import org.controlsfx.control.MasterDetailPane;
20
21
import java.io.File;
22
23
import static com.dlsc.formsfx.model.structure.Field.ofStringType;
24
import static com.dlsc.preferencesfx.PreferencesFxEvent.EVENT_PREFERENCES_SAVED;
25
import static com.keenwrite.Constants.ICON_DIALOG;
26
import static com.keenwrite.Messages.get;
27
import static com.keenwrite.preferences.LocaleProperty.localeListProperty;
28
import static com.keenwrite.preferences.ThemeProperty.themeListProperty;
29
import static com.keenwrite.preferences.WorkspaceKeys.*;
30
import static javafx.scene.control.ButtonType.CANCEL;
31
import static javafx.scene.control.ButtonType.OK;
32
33
/**
34
 * Provides the ability for users to configure their preferences. This links
35
 * the {@link Workspace} model with the {@link PreferencesFx} view, in MVC.
36
 */
37
@SuppressWarnings( "SameParameterValue" )
38
public final class PreferencesController {
39
40
  private final Workspace mWorkspace;
41
  private final PreferencesFx mPreferencesFx;
42
43
  public PreferencesController( final Workspace workspace ) {
44
    mWorkspace = workspace;
45
46
    // All properties must be initialized before creating the dialog.
47
    mPreferencesFx = createPreferencesFx();
48
49
    initKeyEventHandler( mPreferencesFx );
50
  }
51
52
  /**
53
   * Display the user preferences settings dialog (non-modal).
54
   */
55
  public void show() {
56
    getPreferencesFx().show( false );
57
  }
58
59
  /**
60
   * Call to persist the settings. Strictly speaking, this could watch on
61
   * all values for external changes then save automatically.
62
   */
63
  public void save() {
64
    getPreferencesFx().saveSettings();
65
  }
66
67
  /**
68
   * Delegates to the {@link PreferencesFx} event handler for monitoring
69
   * save events.
70
   *
71
   * @param eventHandler The handler to call when the preferences are saved.
72
   */
73
  public void addSaveEventHandler(
74
    final EventHandler<? super PreferencesFxEvent> eventHandler ) {
75
    getPreferencesFx().addEventHandler( EVENT_PREFERENCES_SAVED, eventHandler );
76
  }
77
78
  private StringField createFontNameField(
79
    final StringProperty fontName, final DoubleProperty fontSize ) {
80
    final var control = new SimpleFontControl( "Change" );
81
    control.fontSizeProperty().addListener( ( c, o, n ) -> {
82
      if( n != null ) {
83
        fontSize.set( n.doubleValue() );
84
      }
85
    } );
86
    return ofStringType( fontName ).render( control );
87
  }
88
89
  /**
90
   * Creates the preferences dialog.
91
   * <p>
92
   * TODO: Make this dynamic by iterating over all "Preferences.*" values
93
   * that follow a particular naming pattern.
94
   * </p>
95
   *
96
   * @return A new instance of preferences for users to edit.
97
   */
98
  private PreferencesFx createPreferencesFx() {
99
    return PreferencesFx.of(
100
      new XmlStorageHandler(),
101
      Category.of(
102
        get( KEY_R ),
103
        Group.of(
104
          get( KEY_R_DIR ),
105
          Setting.of( label( KEY_R_DIR,
106
                             stringProperty( KEY_DEF_DELIM_BEGAN ).get(),
107
                             stringProperty( KEY_DEF_DELIM_ENDED ).get() ) ),
108
          Setting.of( title( KEY_R_DIR ),
109
                      fileProperty( KEY_R_DIR ), true )
110
        ),
111
        Group.of(
112
          get( KEY_R_SCRIPT ),
113
          Setting.of( label( KEY_R_SCRIPT ) ),
114
          createScriptSetting()
115
        ),
116
        Group.of(
117
          get( KEY_R_DELIM_BEGAN ),
118
          Setting.of( label( KEY_R_DELIM_BEGAN ) ),
119
          Setting.of( title( KEY_R_DELIM_BEGAN ),
120
                      stringProperty( KEY_R_DELIM_BEGAN ) )
121
        ),
122
        Group.of(
123
          get( KEY_R_DELIM_ENDED ),
124
          Setting.of( label( KEY_R_DELIM_ENDED ) ),
125
          Setting.of( title( KEY_R_DELIM_ENDED ),
126
                      stringProperty( KEY_R_DELIM_ENDED ) )
127
        )
128
      ),
129
      Category.of(
130
        get( KEY_IMAGES ),
131
        Group.of(
132
          get( KEY_IMAGES_DIR ),
133
          Setting.of( label( KEY_IMAGES_DIR ) ),
134
          Setting.of( title( KEY_IMAGES_DIR ),
135
                      fileProperty( KEY_IMAGES_DIR ), true )
136
        ),
137
        Group.of(
138
          get( KEY_IMAGES_ORDER ),
139
          Setting.of( label( KEY_IMAGES_ORDER ) ),
140
          Setting.of( title( KEY_IMAGES_ORDER ),
141
                      stringProperty( KEY_IMAGES_ORDER ) )
142
        )
143
      ),
144
      Category.of(
145
        get( KEY_DEF ),
146
        Group.of(
147
          get( KEY_DEF_PATH ),
148
          Setting.of( label( KEY_DEF_PATH ) ),
149
          Setting.of( title( KEY_DEF_PATH ),
150
                      fileProperty( KEY_DEF_PATH ), false )
151
        ),
152
        Group.of(
153
          get( KEY_DEF_DELIM_BEGAN ),
154
          Setting.of( label( KEY_DEF_DELIM_BEGAN ) ),
155
          Setting.of( title( KEY_DEF_DELIM_BEGAN ),
156
                      stringProperty( KEY_DEF_DELIM_BEGAN ) )
157
        ),
158
        Group.of(
159
          get( KEY_DEF_DELIM_ENDED ),
160
          Setting.of( label( KEY_DEF_DELIM_ENDED ) ),
161
          Setting.of( title( KEY_DEF_DELIM_ENDED ),
162
                      stringProperty( KEY_DEF_DELIM_ENDED ) )
163
        )
164
      ),
165
      Category.of(
166
        get( KEY_UI_FONT ),
167
        Group.of(
168
          get( KEY_UI_FONT_EDITOR ),
169
          Setting.of( label( KEY_UI_FONT_EDITOR_NAME ) ),
170
          Setting.of( title( KEY_UI_FONT_EDITOR_NAME ),
171
                      createFontNameField(
172
                        stringProperty( KEY_UI_FONT_EDITOR_NAME ),
173
                        doubleProperty( KEY_UI_FONT_EDITOR_SIZE ) ),
174
                      stringProperty( KEY_UI_FONT_EDITOR_NAME ) ),
175
          Setting.of( label( KEY_UI_FONT_EDITOR_SIZE ) ),
176
          Setting.of( title( KEY_UI_FONT_EDITOR_SIZE ),
177
                      doubleProperty( KEY_UI_FONT_EDITOR_SIZE ) )
178
        ),
179
        Group.of(
180
          get( KEY_UI_FONT_PREVIEW ),
181
          Setting.of( label( KEY_UI_FONT_PREVIEW_NAME ) ),
182
          Setting.of( title( KEY_UI_FONT_PREVIEW_NAME ),
183
                      createFontNameField(
184
                        stringProperty( KEY_UI_FONT_PREVIEW_NAME ),
185
                        doubleProperty( KEY_UI_FONT_PREVIEW_SIZE ) ),
186
                      stringProperty( KEY_UI_FONT_PREVIEW_NAME ) ),
187
          Setting.of( label( KEY_UI_FONT_PREVIEW_SIZE ) ),
188
          Setting.of( title( KEY_UI_FONT_PREVIEW_SIZE ),
189
                      doubleProperty( KEY_UI_FONT_PREVIEW_SIZE ) ),
190
          Setting.of( label( KEY_UI_FONT_PREVIEW_MONO_NAME ) ),
191
          Setting.of( title( KEY_UI_FONT_PREVIEW_MONO_NAME ),
192
                      createFontNameField(
193
                        stringProperty( KEY_UI_FONT_PREVIEW_MONO_NAME ),
194
                        doubleProperty( KEY_UI_FONT_PREVIEW_MONO_SIZE ) ),
195
                      stringProperty( KEY_UI_FONT_PREVIEW_MONO_NAME ) ),
196
          Setting.of( label( KEY_UI_FONT_PREVIEW_MONO_SIZE ) ),
197
          Setting.of( title( KEY_UI_FONT_PREVIEW_MONO_SIZE ),
198
                      doubleProperty( KEY_UI_FONT_PREVIEW_MONO_SIZE ) )
199
        )
200
      ),
201
      Category.of(
202
        get( KEY_UI_THEME ),
203
        Group.of(
204
          get( KEY_UI_THEME_SELECTION ),
205
          Setting.of( label( KEY_UI_THEME_SELECTION ) ),
206
          Setting.of( title( KEY_UI_THEME_SELECTION ),
207
                      themeListProperty(),
208
                      themeProperty( KEY_UI_THEME_SELECTION ) )
209
        ),
210
        Group.of(
211
          get( KEY_UI_THEME_CUSTOM ),
212
          Setting.of( label( KEY_UI_THEME_CUSTOM ) ),
213
          Setting.of( title( KEY_UI_THEME_CUSTOM ),
214
                      fileProperty( KEY_UI_THEME_CUSTOM ), false )
215
        )
216
      ),
217
      Category.of(
218
        get( KEY_LANGUAGE ),
219
        Group.of(
220
          get( KEY_LANGUAGE_LOCALE ),
221
          Setting.of( label( KEY_LANGUAGE_LOCALE ) ),
222
          Setting.of( title( KEY_LANGUAGE_LOCALE ),
223
                      localeListProperty(),
224
                      localeProperty( KEY_LANGUAGE_LOCALE ) )
225
        )
226
      )
227
    ).instantPersistent( false ).dialogIcon( ICON_DIALOG );
228
  }
229
230
  @SuppressWarnings( "unchecked" )
231
  private Setting<StringField, StringProperty> createScriptSetting() {
232
    final Setting<StringField, StringProperty> scriptSetting =
233
      Setting.of( "Script", stringProperty( KEY_R_SCRIPT ) );
234
    final var field = scriptSetting.getElement();
235
    field.multiline( true );
236
237
    return scriptSetting;
238
  }
239
240
  private void initKeyEventHandler( final PreferencesFx preferences ) {
241
    final var view = preferences.getView();
242
    final var nodes = view.getChildrenUnmodifiable();
243
    final var master = (MasterDetailPane) nodes.get( 0 );
244
    final var detail = (NavigationView) master.getDetailNode();
245
    final var pane = (DialogPane) view.getParent();
246
247
    detail.setOnKeyReleased( ( key ) -> {
248
      switch( key.getCode() ) {
249
        case ENTER -> ((Button) pane.lookupButton( OK )).fire();
250
        case ESCAPE -> ((Button) pane.lookupButton( CANCEL )).fire();
251
      }
252
    } );
253
  }
254
255
  /**
256
   * Creates a label for the given key after interpolating its value.
257
   *
258
   * @param key The key to find in the resource bundle.
259
   * @return The value of the key as a label.
260
   */
261
  private Node label( final Key key ) {
262
    return label( key, (String[]) null );
263
  }
264
265
  private Node label( final Key key, final String... values ) {
266
    return new Label( get( key.toString() + ".desc", (Object[]) values ) );
267
  }
268
269
  private String title( final Key key ) {
270
    return get( key.toString() + ".title" );
271
  }
272
273
  private ObjectProperty<File> fileProperty( final Key key ) {
274
    return mWorkspace.fileProperty( key );
275
  }
276
277
  private StringProperty stringProperty( final Key key ) {
278
    return mWorkspace.stringProperty( key );
279
  }
280
281
  @SuppressWarnings( "SameParameterValue" )
282
  private DoubleProperty doubleProperty( final Key key ) {
283
    return mWorkspace.doubleProperty( key );
284
  }
285
286
  private ObjectProperty<String> themeProperty( final Key key ) {
287
    return mWorkspace.themeProperty( key );
288
  }
289
290
  private ObjectProperty<String> localeProperty( final Key key ) {
291
    return mWorkspace.localeProperty( key );
292
  }
293
294
  private PreferencesFx getPreferencesFx() {
295
    return mPreferencesFx;
296
  }
297
}
1298
A src/main/java/com/keenwrite/preferences/SimpleFontControl.java
1
/* Copyright 2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import com.dlsc.formsfx.model.structure.StringField;
5
import com.dlsc.preferencesfx.formsfx.view.controls.SimpleControl;
6
import javafx.beans.property.DoubleProperty;
7
import javafx.beans.property.SimpleDoubleProperty;
8
import javafx.scene.control.Button;
9
import javafx.scene.control.ListView;
10
import javafx.scene.control.TextField;
11
import javafx.scene.input.KeyEvent;
12
import javafx.scene.layout.HBox;
13
import javafx.scene.layout.Region;
14
import javafx.scene.layout.StackPane;
15
import javafx.scene.text.Font;
16
import javafx.stage.Stage;
17
import org.controlsfx.dialog.FontSelectorDialog;
18
19
import static com.keenwrite.Constants.ICON_DIALOG;
20
import static com.keenwrite.events.StatusEvent.clue;
21
import static java.lang.System.currentTimeMillis;
22
import static javafx.geometry.Pos.CENTER_LEFT;
23
import static javafx.scene.control.ButtonType.CANCEL;
24
import static javafx.scene.control.ButtonType.OK;
25
import static javafx.scene.input.KeyCode.ENTER;
26
import static javafx.scene.input.KeyCode.ESCAPE;
27
import static javafx.scene.layout.Priority.ALWAYS;
28
import static javafx.scene.text.Font.font;
29
import static javafx.scene.text.Font.getDefault;
30
31
/**
32
 * Responsible for provide users the ability to select a font using a friendly
33
 * font dialog.
34
 */
35
public class SimpleFontControl extends SimpleControl<StringField, StackPane> {
36
  private final Button mButton = new Button();
37
  private final String mButtonText;
38
  private final DoubleProperty mFontSize = new SimpleDoubleProperty();
39
  private final TextField mFontName = new TextField();
40
41
  public SimpleFontControl( final String buttonText ) {
42
    mButtonText = buttonText;
43
  }
44
45
  @Override
46
  public void initializeParts() {
47
    super.initializeParts();
48
49
    mFontName.setText( field.getValue() );
50
    mFontName.setPromptText( field.placeholderProperty().getValue() );
51
52
    final var fieldProperty = field.valueProperty();
53
    if( fieldProperty.get().equals( "null" ) ) {
54
      fieldProperty.set( "" );
55
    }
56
57
    mButton.setText( mButtonText );
58
    mButton.setOnAction( event -> {
59
      final var selected = !fieldProperty.get().trim().isEmpty();
60
      var initialFont = getDefault();
61
      if( selected ) {
62
        final var previousValue = fieldProperty.get();
63
        initialFont = font( previousValue );
64
      }
65
66
      createFontSelectorDialog( initialFont )
67
        .showAndWait()
68
        .ifPresent( ( font ) -> {
69
          mFontName.setText( font.getFamily() );
70
          mFontSize.set( font.getSize() );
71
        } );
72
    } );
73
74
    node = new StackPane();
75
  }
76
77
  @Override
78
  public void layoutParts() {
79
    node.getStyleClass().add( "simple-text-control" );
80
    fieldLabel.getStyleClass().addAll( field.getStyleClass() );
81
    fieldLabel.getStyleClass().add( "read-only-label" );
82
83
    final var box = new HBox();
84
    HBox.setHgrow( mFontName, ALWAYS );
85
    box.setAlignment( CENTER_LEFT );
86
    box.getChildren().addAll( fieldLabel, mFontName, mButton );
87
88
    node.getChildren().add( box );
89
  }
90
91
  @Override
92
  public void setupBindings() {
93
    super.setupBindings();
94
    mFontName.textProperty().bindBidirectional( field.userInputProperty() );
95
  }
96
97
  public DoubleProperty fontSizeProperty() {
98
    return mFontSize;
99
  }
100
101
  /**
102
   * Creates a dialog that displays a list of available font families,
103
   * sizes, and a button for font selection.
104
   *
105
   * @param font The default font to select initially.
106
   * @return A dialog to help the user select a different {@link Font}.
107
   */
108
  private FontSelectorDialog createFontSelectorDialog( final Font font ) {
109
    final var dialog = new FontSelectorDialog( font );
110
    final var pane = dialog.getDialogPane();
111
    final var buttonOk = ((Button) pane.lookupButton( OK ));
112
    final var buttonCancel = ((Button) pane.lookupButton( CANCEL ));
113
114
    buttonOk.setDefaultButton( true );
115
    buttonCancel.setCancelButton( true );
116
    pane.setOnKeyReleased( ( keyEvent ) -> {
117
      switch( keyEvent.getCode() ) {
118
        case ENTER -> buttonOk.fire();
119
        case ESCAPE -> buttonCancel.fire();
120
      }
121
    } );
122
123
    final var stage = (Stage) pane.getScene().getWindow();
124
    stage.getIcons().add( ICON_DIALOG );
125
126
    final var frontPanel = (Region) pane.getContent();
127
    for( final var node : frontPanel.getChildrenUnmodifiable() ) {
128
      if( node instanceof ListView ) {
129
        final var listView = (ListView<?>) node;
130
        final var handler = new ListViewHandler<>( listView );
131
        listView.setOnKeyPressed( handler::handle );
132
      }
133
    }
134
135
    return dialog;
136
  }
137
138
  /**
139
   * Responsible for handling key presses when selecting a font. Based on
140
   * <a href="https://stackoverflow.com/a/43604223/59087">Martin Široký</a>'s
141
   * answer.
142
   *
143
   * @param <T> The type of {@link ListView} to search.
144
   */
145
  private static final class ListViewHandler<T> {
146
    /**
147
     * Amount of time to wait between key presses that typing a subsequent
148
     * key is considered part of the same search, in milliseconds.
149
     */
150
    private static final int RESET_DELAY_MS = 1250;
151
152
    private String mNeedle = "";
153
    private int mSearchSkip = 0;
154
    private long mLastTyped = currentTimeMillis();
155
    private final ListView<T> mHaystack;
156
157
    private ListViewHandler( final ListView<T> listView ) {
158
      mHaystack = listView;
159
    }
160
161
    private void handle( final KeyEvent key ) {
162
      var ch = key.getText();
163
      final var code = key.getCode();
164
165
      if( ch == null || ch.isEmpty() || code == ESCAPE || code == ENTER ) {
166
        return;
167
      }
168
169
      ch = ch.toUpperCase();
170
171
      if( mNeedle.equals( ch ) ) {
172
        mSearchSkip++;
173
      }
174
      else {
175
        mNeedle = currentTimeMillis() - mLastTyped > RESET_DELAY_MS
176
          ? ch : mNeedle + ch;
177
      }
178
179
      mLastTyped = currentTimeMillis();
180
181
      boolean found = false;
182
      int skipped = 0;
183
184
      for( final T item : mHaystack.getItems() ) {
185
        final var straw = item.toString().toUpperCase();
186
187
        if( straw.startsWith( mNeedle ) ) {
188
          if( mSearchSkip > skipped ) {
189
            skipped++;
190
            continue;
191
          }
192
193
          mHaystack.getSelectionModel().select( item );
194
          final int index = mHaystack.getSelectionModel().getSelectedIndex();
195
          mHaystack.getFocusModel().focus( index );
196
          mHaystack.scrollTo( index );
197
          found = true;
198
          break;
199
        }
200
      }
201
202
      if( !found ) {
203
        clue( "Main.status.font.search.missing", mNeedle );
204
        mSearchSkip = 0;
205
      }
206
    }
207
  }
208
}
1209
A src/main/java/com/keenwrite/preferences/ThemeProperty.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import com.keenwrite.Constants;
5
import javafx.beans.property.SimpleObjectProperty;
6
import javafx.collections.ObservableList;
7
8
import java.util.LinkedHashSet;
9
import java.util.Set;
10
11
import static com.keenwrite.Constants.THEME_DEFAULT;
12
import static com.keenwrite.preferences.Workspace.listProperty;
13
14
/**
15
 * Responsible for providing a list of themes from which the user may pick.
16
 */
17
public final class ThemeProperty extends SimpleObjectProperty<String> {
18
  /**
19
   * Ordered set of available themes.
20
   */
21
  private static final Set<String> sThemes = new LinkedHashSet<>();
22
23
  static {
24
    sThemes.add( "Count Darcula" );
25
    sThemes.add( "Haunted Grey" );
26
    sThemes.add( "Modena Dark" );
27
    sThemes.add( THEME_DEFAULT );
28
    sThemes.add( "Silver Cavern" );
29
    sThemes.add( "Solarized Dark" );
30
    sThemes.add( "Vampire Byte" );
31
  }
32
33
  public ThemeProperty( final String themeName ) {
34
    super( themeName );
35
  }
36
37
  public static ObservableList<String> themeListProperty() {
38
    return listProperty( sThemes );
39
  }
40
41
  /**
42
   * Returns the given theme name as a sanitized file name, which must map
43
   * to a stylesheet file bundled with the application. This does not include
44
   * the path to the stylesheet. If the given theme name cannot be found in
45
   * the known theme list, the file name for {@link Constants#THEME_DEFAULT}
46
   * is returned. The extension must be added separately.
47
   *
48
   * @param theme The name to convert to a file name.
49
   * @return The given theme name converted lower case, spaces replaced with
50
   * underscores, without the ".css" extension appended.
51
   */
52
  public static String toFilename( final String theme ) {
53
    return sanitize( theme ).toLowerCase().replace( ' ', '_' );
54
  }
55
56
  /**
57
   * Ensures that the given theme name is in the list of known themes.
58
   *
59
   * @param theme Validate this theme name's existence.
60
   * @return The given theme name, if valid, otherwise the default theme name.
61
   */
62
  private static String sanitize( final String theme ) {
63
    return sThemes.contains( theme ) ? theme : THEME_DEFAULT;
64
  }
65
}
166
A src/main/java/com/keenwrite/preferences/Workspace.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import com.keenwrite.Constants;
5
import com.keenwrite.sigils.Tokens;
6
import javafx.application.Platform;
7
import javafx.beans.property.*;
8
import javafx.collections.ObservableList;
9
import org.apache.commons.configuration2.XMLConfiguration;
10
import org.apache.commons.configuration2.builder.fluent.Configurations;
11
import org.apache.commons.configuration2.io.FileHandler;
12
13
import java.io.File;
14
import java.util.*;
15
import java.util.function.BiConsumer;
16
import java.util.function.BooleanSupplier;
17
import java.util.function.Consumer;
18
import java.util.function.Function;
19
20
import static com.keenwrite.Bootstrap.APP_TITLE_LOWERCASE;
21
import static com.keenwrite.Constants.*;
22
import static com.keenwrite.Launcher.getVersion;
23
import static com.keenwrite.events.StatusEvent.clue;
24
import static com.keenwrite.preferences.WorkspaceKeys.*;
25
import static java.util.Map.entry;
26
import static javafx.application.Platform.runLater;
27
import static javafx.collections.FXCollections.observableArrayList;
28
import static javafx.collections.FXCollections.observableSet;
29
30
/**
31
 * Responsible for defining behaviours for separate projects. A workspace has
32
 * the ability to save and restore a session, including the window dimensions,
33
 * tab setup, files, and user preferences.
34
 * <p>
35
 * The configuration must support hierarchical (nested) configuration nodes
36
 * to persist the user interface state. Although possible with a flat
37
 * configuration file, it's not nearly as simple or elegant.
38
 * </p>
39
 * <p>
40
 * Neither JSON nor HOCON support schema validation and versioning, which makes
41
 * XML the more suitable configuration file format. Schema validation and
42
 * versioning provide future-proofing and ease of reading and upgrading previous
43
 * versions of the configuration file.
44
 * </p>
45
 * <p>
46
 * Persistent preferences may be set directly by the user or indirectly by
47
 * the act of using the application.
48
 * </p>
49
 * <p>
50
 * Note the following definitions:
51
 * </p>
52
 * <dl>
53
 *   <dt>File</dt>
54
 *   <dd>References a file name (no path), path, or directory.</dd>
55
 *   <dt>Path</dt>
56
 *   <dd>Fully qualified file name, which includes all parent directories.</dd>
57
 *   <dt>Dir</dt>
58
 *   <dd>Directory without a file name ({@link File#isDirectory()} is true)
59
 *   .</dd>
60
 * </dl>
61
 */
62
public final class Workspace {
63
  //@formatter:off
64
  private final Map<Key, Property<?>> VALUES = Map.ofEntries(
65
    entry( KEY_META_VERSION, asStringProperty( getVersion() ) ),
66
    entry( KEY_META_NAME, asStringProperty( "default" ) ),
67
    
68
    entry( KEY_R_SCRIPT, asStringProperty( "" ) ),
69
    entry( KEY_R_DIR, asFileProperty( USER_DIRECTORY ) ),
70
    entry( KEY_R_DELIM_BEGAN, asStringProperty( R_DELIM_BEGAN_DEFAULT ) ),
71
    entry( KEY_R_DELIM_ENDED, asStringProperty( R_DELIM_ENDED_DEFAULT ) ),
72
    
73
    entry( KEY_IMAGES_DIR, asFileProperty( USER_DIRECTORY ) ),
74
    entry( KEY_IMAGES_ORDER, asStringProperty( PERSIST_IMAGES_DEFAULT ) ),
75
    
76
    entry( KEY_DEF_PATH, asFileProperty( DEFINITION_DEFAULT ) ),
77
    entry( KEY_DEF_DELIM_BEGAN, asStringProperty( DEF_DELIM_BEGAN_DEFAULT ) ),
78
    entry( KEY_DEF_DELIM_ENDED, asStringProperty( DEF_DELIM_ENDED_DEFAULT ) ),
79
80
    entry( KEY_UI_RECENT_DIR, asFileProperty( USER_DIRECTORY ) ),
81
    entry( KEY_UI_RECENT_DOCUMENT, asFileProperty( DOCUMENT_DEFAULT ) ),
82
    entry( KEY_UI_RECENT_DEFINITION, asFileProperty( DEFINITION_DEFAULT ) ),
83
    
84
    entry( KEY_UI_FONT_EDITOR_NAME, asStringProperty( FONT_NAME_EDITOR_DEFAULT ) ),
85
    entry( KEY_UI_FONT_EDITOR_SIZE, asDoubleProperty( FONT_SIZE_EDITOR_DEFAULT ) ),
86
    entry( KEY_UI_FONT_PREVIEW_NAME, asStringProperty( FONT_NAME_PREVIEW_DEFAULT ) ),
87
    entry( KEY_UI_FONT_PREVIEW_SIZE, asDoubleProperty( FONT_SIZE_PREVIEW_DEFAULT ) ),
88
    entry( KEY_UI_FONT_PREVIEW_MONO_NAME, asStringProperty( FONT_NAME_PREVIEW_MONO_NAME_DEFAULT ) ),
89
    entry( KEY_UI_FONT_PREVIEW_MONO_SIZE, asDoubleProperty( FONT_SIZE_PREVIEW_MONO_SIZE_DEFAULT ) ),
90
91
    entry( KEY_UI_WINDOW_X, asDoubleProperty( WINDOW_X_DEFAULT ) ),
92
    entry( KEY_UI_WINDOW_Y, asDoubleProperty( WINDOW_Y_DEFAULT ) ),
93
    entry( KEY_UI_WINDOW_W, asDoubleProperty( WINDOW_W_DEFAULT ) ),
94
    entry( KEY_UI_WINDOW_H, asDoubleProperty( WINDOW_H_DEFAULT ) ),
95
    entry( KEY_UI_WINDOW_MAX, asBooleanProperty() ),
96
    entry( KEY_UI_WINDOW_FULL, asBooleanProperty() ),
97
98
    entry( KEY_UI_THEME_SELECTION, asThemeProperty( THEME_DEFAULT ) ),
99
    entry( KEY_UI_THEME_CUSTOM, asFileProperty( THEME_CUSTOM_DEFAULT ) ),
100
101
    entry( KEY_LANGUAGE_LOCALE, asLocaleProperty( LOCALE_DEFAULT ) )
102
    );
103
  //@formatter:on
104
105
  private StringProperty asStringProperty( final String defaultValue ) {
106
    return new SimpleStringProperty( defaultValue );
107
  }
108
109
  private DoubleProperty asDoubleProperty( final double defaultValue ) {
110
    return new SimpleDoubleProperty( defaultValue );
111
  }
112
113
  private BooleanProperty asBooleanProperty() {
114
    return new SimpleBooleanProperty();
115
  }
116
117
  private FileProperty asFileProperty( final File defaultValue ) {
118
    return new FileProperty( defaultValue );
119
  }
120
121
  @SuppressWarnings( "SameParameterValue" )
122
  private ThemeProperty asThemeProperty( final String defaultValue ) {
123
    return new ThemeProperty( defaultValue );
124
  }
125
126
  @SuppressWarnings( "SameParameterValue" )
127
  private LocaleProperty asLocaleProperty( final Locale defaultValue ) {
128
    return new LocaleProperty( defaultValue );
129
  }
130
131
  /**
132
   * Helps instantiate {@link Property} instances for XML configuration items.
133
   */
134
  private static final Map<Class<?>, Function<String, Object>> UNMARSHALL =
135
    Map.of(
136
      LocaleProperty.class, LocaleProperty::parseLocale,
137
      SimpleBooleanProperty.class, Boolean::parseBoolean,
138
      SimpleDoubleProperty.class, Double::parseDouble,
139
      SimpleFloatProperty.class, Float::parseFloat,
140
      FileProperty.class, File::new
141
    );
142
143
  private static final Map<Class<?>, Function<String, Object>> MARSHALL =
144
    Map.of(
145
      LocaleProperty.class, LocaleProperty::toLanguageTag
146
    );
147
148
  private final Map<Key, SetProperty<?>> SETS = Map.ofEntries(
149
    entry(
150
      KEY_UI_FILES_PATH,
151
      new SimpleSetProperty<>( observableSet( new HashSet<>() ) )
152
    )
153
  );
154
155
  /**
156
   * Creates a new {@link Workspace} that will attempt to load a configuration
157
   * file. If the configuration file cannot be loaded, the workspace settings
158
   * will return default values. This allows unit tests to provide an instance
159
   * of {@link Workspace} when necessary without encountering failures.
160
   */
161
  public Workspace() {
162
    load( FILE_PREFERENCES );
163
  }
164
165
  /**
166
   * Creates a new {@link Workspace} that will attempt to load the given
167
   * configuration file.
168
   *
169
   * @param filename The file to load.
170
   */
171
  public Workspace( final String filename ) {
172
    load( filename );
173
  }
174
175
  /**
176
   * Creates an instance of {@link ObservableList} that is based on a
177
   * modifiable observable array list for the given items.
178
   *
179
   * @param items The items to wrap in an observable list.
180
   * @param <E>   The type of items to add to the list.
181
   * @return An observable property that can have its contents modified.
182
   */
183
  public static <E> ObservableList<E> listProperty( final Set<E> items ) {
184
    return new SimpleListProperty<>( observableArrayList( items ) );
185
  }
186
187
  /**
188
   * Returns a value that represents a setting in the application that the user
189
   * may configure, either directly or indirectly.
190
   *
191
   * @param key The reference to the users' preference stored in deference
192
   *            of app reëntrance.
193
   * @return An observable property to be persisted.
194
   */
195
  @SuppressWarnings( "unchecked" )
196
  public <T, U extends Property<T>> U valuesProperty( final Key key ) {
197
    // The type that goes into the map must come out.
198
    return (U) VALUES.get( key );
199
  }
200
201
  /**
202
   * Returns a list of values that represent a setting in the application that
203
   * the user may configure, either directly or indirectly. The property
204
   * returned is backed by a mutable {@link Set}.
205
   *
206
   * @param key The {@link Key} associated with a preference value.
207
   * @return An observable property to be persisted.
208
   */
209
  @SuppressWarnings( "unchecked" )
210
  public <T> SetProperty<T> setsProperty( final Key key ) {
211
    // The type that goes into the map must come out.
212
    return (SetProperty<T>) SETS.get( key );
213
  }
214
215
  /**
216
   * Returns the {@link Boolean} preference value associated with the given
217
   * {@link Key}. The caller must be sure that the given {@link Key} is
218
   * associated with a value that matches the return type.
219
   *
220
   * @param key The {@link Key} associated with a preference value.
221
   * @return The value associated with the given {@link Key}.
222
   */
223
  public boolean toBoolean( final Key key ) {
224
    return (Boolean) valuesProperty( key ).getValue();
225
  }
226
227
  /**
228
   * Returns the {@link Double} preference value associated with the given
229
   * {@link Key}. The caller must be sure that the given {@link Key} is
230
   * associated with a value that matches the return type.
231
   *
232
   * @param key The {@link Key} associated with a preference value.
233
   * @return The value associated with the given {@link Key}.
234
   */
235
  public double toDouble( final Key key ) {
236
    return (Double) valuesProperty( key ).getValue();
237
  }
238
239
  public File toFile( final Key key ) {
240
    return fileProperty( key ).get();
241
  }
242
243
  public String toString( final Key key ) {
244
    return stringProperty( key ).get();
245
  }
246
247
  public Tokens toTokens( final Key began, final Key ended ) {
248
    return new Tokens( stringProperty( began ), stringProperty( ended ) );
249
  }
250
251
  @SuppressWarnings( "SameParameterValue" )
252
  public DoubleProperty doubleProperty( final Key key ) {
253
    return valuesProperty( key );
254
  }
255
256
  /**
257
   * Returns the {@link File} {@link Property} associated with the given
258
   * {@link Key} from the internal list of preference values. The caller
259
   * must be sure that the given {@link Key} is associated with a {@link File}
260
   * {@link Property}.
261
   *
262
   * @param key The {@link Key} associated with a preference value.
263
   * @return The value associated with the given {@link Key}.
264
   */
265
  public ObjectProperty<File> fileProperty( final Key key ) {
266
    return valuesProperty( key );
267
  }
268
269
  public ObjectProperty<String> themeProperty( final Key key ) {
270
    return valuesProperty( key );
271
  }
272
273
  public LocaleProperty localeProperty( final Key key ) {
274
    return valuesProperty( key );
275
  }
276
277
  /**
278
   * Returns the language locale setting for the
279
   * {@link WorkspaceKeys#KEY_LANGUAGE_LOCALE} key.
280
   *
281
   * @return The user's current locale setting.
282
   */
283
  public Locale getLocale() {
284
    return localeProperty( KEY_LANGUAGE_LOCALE ).toLocale();
285
  }
286
287
  public StringProperty stringProperty( final Key key ) {
288
    return valuesProperty( key );
289
  }
290
291
  public void loadValueKeys( final Consumer<Key> consumer ) {
292
    VALUES.keySet().forEach( consumer );
293
  }
294
295
  public void loadSetKeys( final Consumer<Key> consumer ) {
296
    SETS.keySet().forEach( consumer );
297
  }
298
299
  /**
300
   * Calls the given consumer for all single-value keys. For lists, see
301
   * {@link #saveSets(BiConsumer)}.
302
   *
303
   * @param consumer Called to accept each preference key value.
304
   */
305
  public void saveValues( final BiConsumer<Key, Property<?>> consumer ) {
306
    VALUES.forEach( consumer );
307
  }
308
309
  /**
310
   * Calls the given consumer for all multi-value keys. For single items, see
311
   * {@link #saveValues(BiConsumer)}. Callers are responsible for iterating
312
   * over the list of items retrieved through this method.
313
   *
314
   * @param consumer Called to accept each preference key list.
315
   */
316
  public void saveSets( final BiConsumer<Key, SetProperty<?>> consumer ) {
317
    SETS.forEach( consumer );
318
  }
319
320
  /**
321
   * Delegates to {@link #listen(Key, ReadOnlyProperty, BooleanSupplier)},
322
   * providing a value of {@code true} for the {@link BooleanSupplier} to
323
   * indicate the property changes always take effect.
324
   *
325
   * @param key      The value to bind to the internal key property.
326
   * @param property The external property value that sets the internal value.
327
   */
328
  public <T> void listen( final Key key, final ReadOnlyProperty<T> property ) {
329
    listen( key, property, () -> true );
330
  }
331
332
  /**
333
   * Binds a read-only property to a value in the preferences. This allows
334
   * user interface properties to change and the preferences will be
335
   * synchronized automatically.
336
   * <p>
337
   * This calls {@link Platform#runLater(Runnable)} to ensure that all pending
338
   * application window states are finished before assessing whether property
339
   * changes should be applied. Without this, exiting the application while the
340
   * window is maximized would persist the window's maximum dimensions,
341
   * preventing restoration to its prior, non-maximum size.
342
   * </p>
343
   *
344
   * @param key      The value to bind to the internal key property.
345
   * @param property The external property value that sets the internal value.
346
   * @param enabled  Indicates whether property changes should be applied.
347
   */
348
  public <T> void listen(
349
    final Key key,
350
    final ReadOnlyProperty<T> property,
351
    final BooleanSupplier enabled ) {
352
    property.addListener(
353
      ( c, o, n ) -> runLater( () -> {
354
        if( enabled.getAsBoolean() ) {
355
          valuesProperty( key ).setValue( n );
356
        }
357
      } )
358
    );
359
  }
360
361
  /**
362
   * Saves the current workspace.
363
   */
364
  public void save() {
365
    try {
366
      final var config = new XMLConfiguration();
367
368
      // The root config key can only be set for an empty configuration file.
369
      config.setRootElementName( APP_TITLE_LOWERCASE );
370
      valuesProperty( KEY_META_VERSION ).setValue( getVersion() );
371
372
      saveValues( ( key, property ) ->
373
                    config.setProperty( key.toString(), marshall( property ) )
374
      );
375
376
      saveSets( ( key, set ) -> {
377
        final var keyName = key.toString();
378
        set.forEach( ( value ) -> config.addProperty( keyName, value ) );
379
      } );
380
      new FileHandler( config ).save( FILE_PREFERENCES );
381
    } catch( final Exception ex ) {
382
      clue( ex );
383
    }
384
  }
385
386
  /**
387
   * Attempts to load the {@link Constants#FILE_PREFERENCES} configuration file.
388
   * If not found, this will fall back to an empty configuration file, leaving
389
   * the application to fill in default values.
390
   *
391
   * @param filename The file containing user preferences to load.
392
   */
393
  private void load( final String filename ) {
394
    try {
395
      final var config = new Configurations().xml( filename );
396
397
      loadValueKeys( ( key ) -> {
398
        final var configValue = config.getProperty( key.toString() );
399
400
        // Allow other properties to load, even if any are missing.
401
        if( configValue != null ) {
402
          final var propertyValue = valuesProperty( key );
403
          propertyValue.setValue( unmarshall( propertyValue, configValue ) );
404
        }
405
      } );
406
407
      loadSetKeys( ( key ) -> {
408
        final var configSet =
409
          new LinkedHashSet<>( config.getList( key.toString() ) );
410
        final var propertySet = setsProperty( key );
411
        propertySet.setValue( observableSet( configSet ) );
412
      } );
413
    } catch( final Exception ex ) {
414
      clue( ex );
415
    }
416
  }
417
418
  private Object unmarshall(
419
    final Property<?> property, final Object configValue ) {
420
    String setting = configValue.toString();
421
422
    // TODO: #118 - Font upgrade, which can be removed in a few releases.
423
    if( setting.equalsIgnoreCase( "Source Serif Pro" ) ) {
424
      setting = "Source Serif 4";
425
    }
426
427
    return UNMARSHALL
428
      .getOrDefault( property.getClass(), ( value ) -> value )
429
      .apply( setting );
430
  }
431
432
  private Object marshall( final Property<?> property ) {
433
    return property.getValue() == null
434
      ? null
435
      : MARSHALL
436
      .getOrDefault( property.getClass(), ( __ ) -> property.getValue() )
437
      .apply( property.getValue().toString() );
438
  }
439
}
1440
A src/main/java/com/keenwrite/preferences/WorkspaceKeys.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import static com.keenwrite.preferences.Key.key;
5
6
/**
7
 * Responsible for defining constants used throughout the application that
8
 * represent persisted preferences.
9
 */
10
public final class WorkspaceKeys {
11
  //@formatter:off
12
  private static final Key KEY_ROOT = key( "workspace" );
13
14
  public static final Key KEY_META = key( KEY_ROOT, "meta" );
15
  public static final Key KEY_META_NAME = key( KEY_META, "name" );
16
  public static final Key KEY_META_VERSION = key( KEY_META, "version" );
17
18
  public static final Key KEY_R = key( KEY_ROOT, "r" );
19
  public static final Key KEY_R_SCRIPT = key( KEY_R, "script" );
20
  public static final Key KEY_R_DIR = key( KEY_R, "dir" );
21
  public static final Key KEY_R_DELIM = key( KEY_R, "delimiter" );
22
  public static final Key KEY_R_DELIM_BEGAN = key( KEY_R_DELIM, "began" );
23
  public static final Key KEY_R_DELIM_ENDED = key( KEY_R_DELIM, "ended" );
24
25
  public static final Key KEY_IMAGES = key( KEY_ROOT, "images" );
26
  public static final Key KEY_IMAGES_DIR = key( KEY_IMAGES, "dir" );
27
  public static final Key KEY_IMAGES_ORDER = key( KEY_IMAGES, "order" );
28
29
  public static final Key KEY_DEF = key( KEY_ROOT, "definition" );
30
  public static final Key KEY_DEF_PATH = key( KEY_DEF, "path" );
31
  public static final Key KEY_DEF_DELIM = key( KEY_DEF, "delimiter" );
32
  public static final Key KEY_DEF_DELIM_BEGAN = key( KEY_DEF_DELIM, "began" );
33
  public static final Key KEY_DEF_DELIM_ENDED = key( KEY_DEF_DELIM, "ended" );
34
35
  public static final Key KEY_UI = key( KEY_ROOT, "ui" );
36
37
  public static final Key KEY_UI_RECENT = key( KEY_UI, "recent" );
38
  public static final Key KEY_UI_RECENT_DIR = key( KEY_UI_RECENT, "dir" );
39
  public static final Key KEY_UI_RECENT_DOCUMENT = key( KEY_UI_RECENT, "document" );
40
  public static final Key KEY_UI_RECENT_DEFINITION = key( KEY_UI_RECENT, "definition" );
41
42
  public static final Key KEY_UI_FILES = key( KEY_UI, "files" );
43
  public static final Key KEY_UI_FILES_PATH = key( KEY_UI_FILES, "path" );
44
45
  public static final Key KEY_UI_FONT = key( KEY_UI, "font" );
46
  public static final Key KEY_UI_FONT_EDITOR = key( KEY_UI_FONT, "editor" );
47
  public static final Key KEY_UI_FONT_EDITOR_NAME = key( KEY_UI_FONT_EDITOR, "name" );
48
  public static final Key KEY_UI_FONT_EDITOR_SIZE = key( KEY_UI_FONT_EDITOR, "size" );
49
  public static final Key KEY_UI_FONT_PREVIEW = key( KEY_UI_FONT, "preview" );
50
  public static final Key KEY_UI_FONT_PREVIEW_NAME = key( KEY_UI_FONT_PREVIEW, "name" );
51
  public static final Key KEY_UI_FONT_PREVIEW_SIZE = key( KEY_UI_FONT_PREVIEW, "size" );
52
  public static final Key KEY_UI_FONT_PREVIEW_MONO = key( KEY_UI_FONT_PREVIEW, "mono" );
53
  public static final Key KEY_UI_FONT_PREVIEW_MONO_NAME = key( KEY_UI_FONT_PREVIEW_MONO, "name" );
54
  public static final Key KEY_UI_FONT_PREVIEW_MONO_SIZE = key( KEY_UI_FONT_PREVIEW_MONO, "size" );
55
56
  public static final Key KEY_UI_WINDOW = key( KEY_UI, "window" );
57
  public static final Key KEY_UI_WINDOW_X = key( KEY_UI_WINDOW, "x" );
58
  public static final Key KEY_UI_WINDOW_Y = key( KEY_UI_WINDOW, "y" );
59
  public static final Key KEY_UI_WINDOW_W = key( KEY_UI_WINDOW, "width" );
60
  public static final Key KEY_UI_WINDOW_H = key( KEY_UI_WINDOW, "height" );
61
  public static final Key KEY_UI_WINDOW_MAX = key( KEY_UI_WINDOW, "maximized" );
62
  public static final Key KEY_UI_WINDOW_FULL = key( KEY_UI_WINDOW, "full" );
63
64
  public static final Key KEY_UI_THEME = key( KEY_UI, "theme" );
65
  public static final Key KEY_UI_THEME_SELECTION = key( KEY_UI_THEME, "selection" );
66
67
  public static final Key KEY_UI_THEME_CUSTOM = key( KEY_UI_THEME, "custom" );
68
69
//  public static final Key KEY_UI_THEME_CUSTOM = key( KEY_UI_THEME, "custom" );
70
//  public static final Key KEY_UI_THEME_CUSTOM_FONT = key( KEY_UI_THEME_CUSTOM, "font" );
71
//  public static final Key KEY_UI_THEME_CUSTOM_FONT_SIZE = key( KEY_UI_THEME_CUSTOM_FONT, "size" );
72
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS = key( KEY_UI_THEME_CUSTOM, "colours" );
73
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_BASE = key( KEY_UI_THEME_CUSTOM_COLOURS, "base" );
74
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_BG = key( KEY_UI_THEME_CUSTOM_COLOURS, "background" );
75
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_CONTROLS = key( KEY_UI_THEME_CUSTOM_COLOURS, "controls" );
76
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_ROW1 = key( KEY_UI_THEME_CUSTOM_COLOURS, "row" );
77
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_ROW2 = key( KEY_UI_THEME_CUSTOM_COLOURS, "row" );
78
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_FG = key( KEY_UI_THEME_CUSTOM_COLOURS, "foreground" );
79
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_FG_LIGHT = key( KEY_UI_THEME_CUSTOM_COLOURS_FG, "light" );
80
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_FG_MEDIUM = key( KEY_UI_THEME_CUSTOM_COLOURS_FG, "medium" );
81
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_FG_DARK = key( KEY_UI_THEME_CUSTOM_COLOURS_FG, "dark" );
82
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_ACCENT = key( KEY_UI_THEME_CUSTOM_COLOURS, "accent" );
83
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_UNFOCUSED = key( KEY_UI_THEME_CUSTOM_COLOURS, "unfocused" );
84
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR = key( KEY_UI_THEME_CUSTOM_COLOURS, "scrollbar" );
85
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR_BUTTON = key( KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR, "button" );
86
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR_BUTTON_RELEASED = key( KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR_BUTTON, "released" );
87
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR_BUTTON_PRESSED = key( KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR_BUTTON, "pressed" );
88
//  public static final Key KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR_BUTTON_HOVER = key( KEY_UI_THEME_CUSTOM_COLOURS_SCROLLBAR_BUTTON, "hover" );
89
90
  public static final Key KEY_LANGUAGE = key( KEY_ROOT, "language" );
91
  public static final Key KEY_LANGUAGE_LOCALE = key( KEY_LANGUAGE, "locale" );
92
  //@formatter:on
93
94
  /**
95
   *
96
   */
97
  private WorkspaceKeys() { }
98
}
199
A src/main/java/com/keenwrite/preferences/XmlStorageHandler.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preferences;
3
4
import com.dlsc.preferencesfx.PreferencesFx;
5
import com.dlsc.preferencesfx.util.StorageHandler;
6
import javafx.collections.ObservableList;
7
8
import java.util.prefs.Preferences;
9
10
/**
11
 * Prevents {@link PreferencesFx} from saving. Saving and loading preferences
12
 * and application window state is accomplished by the {@link Workspace}.
13
 * <p>
14
 * This implies that undo/redo functionality must be disabled because the
15
 * {@link Workspace} does not preserve previous states.
16
 * </p>
17
 */
18
public final class XmlStorageHandler implements StorageHandler {
19
  @Override
20
  public void saveSelectedCategory( final String breadcrumb ) { }
21
22
  @Override
23
  public String loadSelectedCategory() {
24
    return "";
25
  }
26
27
  @Override
28
  public void saveDividerPosition( final double dividerPosition ) {
29
  }
30
31
  @Override
32
  public double loadDividerPosition() {
33
    return 0;
34
  }
35
36
  @Override
37
  public void saveWindowWidth( final double windowWidth ) { }
38
39
  @Override
40
  public double loadWindowWidth() {
41
    return 0;
42
  }
43
44
  @Override
45
  public void saveWindowHeight( final double windowHeight ) { }
46
47
  @Override
48
  public double loadWindowHeight() {
49
    return 0;
50
  }
51
52
  @Override
53
  public void saveWindowPosX( final double windowPosX ) { }
54
55
  @Override
56
  public double loadWindowPosX() {
57
    return 0;
58
  }
59
60
  @Override
61
  public void saveWindowPosY( final double windowPosY ) { }
62
63
  @Override
64
  public double loadWindowPosY() {
65
    return 0;
66
  }
67
68
  @Override
69
  public void saveObject( final String breadcrumb, final Object object ) { }
70
71
  @Override
72
  public Object loadObject(
73
    final String breadcrumb, final Object defaultObject ) {
74
    return defaultObject;
75
  }
76
77
  @Override
78
  public <T> T loadObject(
79
    final String breadcrumb, final Class<T> type, final T defaultObject ) {
80
    return defaultObject;
81
  }
82
83
  @Override
84
  @SuppressWarnings("rawtypes")
85
  public ObservableList loadObservableList(
86
    final String breadcrumb, final ObservableList defaultObservableList ) {
87
    return defaultObservableList;
88
  }
89
90
  @Override
91
  public <T> ObservableList<T> loadObservableList(
92
    final String breadcrumb,
93
    final Class<T> type,
94
    final ObservableList<T> defaultObservableList ) {
95
    return defaultObservableList;
96
  }
97
98
  @Override
99
  public boolean clearPreferences() {
100
    return false;
101
  }
102
103
  @Override
104
  public Preferences getPreferences() {
105
    return null;
106
  }
107
}
1108
A src/main/java/com/keenwrite/preview/ChainedReplacedElementFactory.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import com.keenwrite.ui.adapters.ReplacedElementAdapter;
5
import com.keenwrite.util.BoundedCache;
6
import org.w3c.dom.Element;
7
import org.xhtmlrenderer.extend.ReplacedElement;
8
import org.xhtmlrenderer.extend.ReplacedElementFactory;
9
import org.xhtmlrenderer.extend.UserAgentCallback;
10
import org.xhtmlrenderer.layout.LayoutContext;
11
import org.xhtmlrenderer.render.BlockBox;
12
13
import java.util.LinkedHashSet;
14
import java.util.Map;
15
import java.util.Set;
16
17
import static com.keenwrite.preview.SvgReplacedElementFactory.HTML_IMAGE;
18
import static com.keenwrite.preview.SvgReplacedElementFactory.HTML_IMAGE_SRC;
19
import static com.keenwrite.processors.markdown.extensions.tex.TexNode.HTML_TEX;
20
import static java.util.Arrays.asList;
21
22
/**
23
 * Responsible for running one or more factories to perform post-processing on
24
 * the HTML document prior to displaying it.
25
 */
26
public final class ChainedReplacedElementFactory extends ReplacedElementAdapter {
27
  /**
28
   * Retain insertion order so that client classes can control the order that
29
   * factories are used to resolve images.
30
   */
31
  private final Set<ReplacedElementFactory> mFactories = new LinkedHashSet<>();
32
33
  /**
34
   * A bounded cache that removes the oldest image if the maximum number of
35
   * cached images has been reached. This constrains the number of images
36
   * loaded into memory.
37
   */
38
  private final Map<String, ReplacedElement> mCache = new BoundedCache<>( 150 );
39
40
  public ChainedReplacedElementFactory(
41
    final ReplacedElementFactory... factories ) {
42
    mFactories.addAll( asList( factories ) );
43
  }
44
45
  @Override
46
  public ReplacedElement createReplacedElement(
47
    final LayoutContext c,
48
    final BlockBox box,
49
    final UserAgentCallback uac,
50
    final int width,
51
    final int height ) {
52
    for( final var f : mFactories ) {
53
      final var e = box.getElement();
54
55
      // Exit early for super-speed.
56
      if( e == null ) {
57
        break;
58
      }
59
60
      // If the source image is cached, don't bother fetching. This optimization
61
      // avoids making multiple HTTP requests for the same URI.
62
      final var node = e.getNodeName();
63
      final var source = switch( node ) {
64
        case HTML_IMAGE -> e.getAttribute( HTML_IMAGE_SRC );
65
        case HTML_TEX -> e.getTextContent();
66
        default -> "";
67
      };
68
69
      // HTML <img> or <tex> elements without source data shall not pass.
70
      if( source.isBlank() ) {
71
        break;
72
      }
73
74
      final var replaced = mCache.computeIfAbsent(
75
        source, k -> f.createReplacedElement( c, box, uac, width, height )
76
      );
77
78
      if( replaced != null ) {
79
        return replaced;
80
      }
81
    }
82
83
    return null;
84
  }
85
86
  @Override
87
  public void reset() {
88
    for( final var factory : mFactories ) {
89
      factory.reset();
90
    }
91
  }
92
93
  @Override
94
  public void remove( final Element element ) {
95
    for( final var factory : mFactories ) {
96
      factory.remove( element );
97
    }
98
  }
99
100
  public void addFactory( final ReplacedElementFactory factory ) {
101
    mFactories.add( factory );
102
  }
103
104
  public void clearCache() {
105
    mCache.clear();
106
  }
107
}
1108
A src/main/java/com/keenwrite/preview/DomConverter.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import org.jsoup.helper.W3CDom;
5
import org.jsoup.nodes.Node;
6
import org.jsoup.nodes.TextNode;
7
import org.jsoup.select.NodeVisitor;
8
import org.w3c.dom.DOMImplementation;
9
import org.w3c.dom.Document;
10
11
import javax.xml.parsers.DocumentBuilder;
12
import javax.xml.parsers.DocumentBuilderFactory;
13
import java.util.LinkedHashMap;
14
import java.util.Map;
15
16
import static com.keenwrite.events.StatusEvent.clue;
17
import static com.keenwrite.processors.text.TextReplacementFactory.replace;
18
19
/**
20
 * Responsible for converting JSoup document object model (DOM) to a W3C DOM.
21
 * Provides a lighter implementation than the superclass by overriding the
22
 * {@link #fromJsoup(org.jsoup.nodes.Document)} method to reuse factories,
23
 * builders, and implementations.
24
 */
25
final class DomConverter extends W3CDom {
26
  /**
27
   * Retain insertion order using an instance of {@link LinkedHashMap} so
28
   * that ligature substitution uses longer ligatures ahead of shorter
29
   * ligatures. The word "ruffian" should use the "ffi" ligature, not the "ff"
30
   * ligature.
31
   */
32
  private static final Map<String, String> LIGATURES = new LinkedHashMap<>();
33
34
  static {
35
    LIGATURES.put( "ffi", "\uFB03" );
36
    LIGATURES.put( "ffl", "\uFB04" );
37
    LIGATURES.put( "ff", "\uFB00" );
38
    LIGATURES.put( "fi", "\uFB01" );
39
    LIGATURES.put( "fl", "\uFB02" );
40
  }
41
42
  private static final NodeVisitor LIGATURE_VISITOR = new NodeVisitor() {
43
    @Override
44
    public void head( final Node node, final int depth ) {
45
      if( node instanceof TextNode ) {
46
        final var parent = node.parentNode();
47
        final var name = parent == null ? "root" : parent.nodeName();
48
49
        if( !("pre".equalsIgnoreCase( name ) ||
50
          "code".equalsIgnoreCase( name ) ||
51
          "tt".equalsIgnoreCase( name )) ) {
52
          // Calling getWholeText() will return newlines, which must be kept
53
          // to ensure that preformatted text maintains its formatting.
54
          final var textNode = (TextNode) node;
55
          textNode.text( replace( textNode.getWholeText(), LIGATURES ) );
56
        }
57
      }
58
    }
59
60
    @Override
61
    public void tail( final Node node, final int depth ) {
62
    }
63
  };
64
65
  private static final DocumentBuilderFactory DOCUMENT_FACTORY;
66
  private static DocumentBuilder DOCUMENT_BUILDER;
67
  private static DOMImplementation DOM_IMPL;
68
69
  static {
70
    DOCUMENT_FACTORY = DocumentBuilderFactory.newInstance();
71
    DOCUMENT_FACTORY.setNamespaceAware( true );
72
73
    try {
74
      DOCUMENT_BUILDER = DOCUMENT_FACTORY.newDocumentBuilder();
75
      DOM_IMPL = DOCUMENT_BUILDER.getDOMImplementation();
76
    } catch( final Exception ex ) {
77
      clue( ex );
78
    }
79
  }
80
81
  @Override
82
  public Document fromJsoup( final org.jsoup.nodes.Document in ) {
83
    assert in != null;
84
    assert DOCUMENT_BUILDER != null;
85
    assert DOM_IMPL != null;
86
87
    final var out = DOCUMENT_BUILDER.newDocument();
88
    final org.jsoup.nodes.DocumentType doctype = in.documentType();
89
90
    if( doctype != null ) {
91
      out.appendChild(
92
        DOM_IMPL.createDocumentType(
93
          doctype.name(),
94
          doctype.publicId(),
95
          doctype.systemId()
96
        )
97
      );
98
    }
99
100
    out.setXmlStandalone( true );
101
    in.traverse( LIGATURE_VISITOR );
102
    convert( in, out );
103
104
    return out;
105
  }
106
}
1107
A src/main/java/com/keenwrite/preview/HtmlPanel.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import com.keenwrite.ui.adapters.DocumentAdapter;
5
import javafx.beans.property.BooleanProperty;
6
import javafx.beans.property.SimpleBooleanProperty;
7
import org.xhtmlrenderer.layout.SharedContext;
8
import org.xhtmlrenderer.render.Box;
9
import org.xhtmlrenderer.simple.XHTMLPanel;
10
import org.xhtmlrenderer.simple.extend.XhtmlNamespaceHandler;
11
import org.xhtmlrenderer.swing.BasicPanel;
12
import org.xhtmlrenderer.swing.FSMouseListener;
13
import org.xhtmlrenderer.swing.HoverListener;
14
import org.xhtmlrenderer.swing.LinkListener;
15
16
import java.awt.event.ComponentAdapter;
17
import java.awt.event.ComponentEvent;
18
import java.net.URI;
19
20
import static com.keenwrite.events.FileOpenEvent.fireFileOpenEvent;
21
import static com.keenwrite.events.DocumentChangedEvent.fireDocumentChangedEvent;
22
import static com.keenwrite.events.StatusEvent.clue;
23
import static com.keenwrite.util.ProtocolScheme.getProtocol;
24
import static java.awt.Desktop.Action.BROWSE;
25
import static java.awt.Desktop.getDesktop;
26
import static java.lang.Boolean.FALSE;
27
import static java.lang.Boolean.TRUE;
28
import static javax.swing.SwingUtilities.invokeLater;
29
import static javax.swing.SwingUtilities.isEventDispatchThread;
30
import static org.jsoup.Jsoup.parse;
31
32
/**
33
 * Responsible for configuring FlyingSaucer's {@link XHTMLPanel}.
34
 */
35
public final class HtmlPanel extends XHTMLPanel {
36
37
  /**
38
   * Suppresses scroll attempts until after the document has loaded.
39
   */
40
  private static final class DocumentEventHandler extends DocumentAdapter {
41
    private final BooleanProperty mReadyProperty = new SimpleBooleanProperty();
42
43
    @Override
44
    public void documentStarted() {
45
      mReadyProperty.setValue( FALSE );
46
    }
47
48
    @Override
49
    public void documentLoaded() {
50
      mReadyProperty.setValue( TRUE );
51
    }
52
  }
53
54
  /**
55
   * Ensures that the preview panel fills its container's area completely.
56
   */
57
  private final class ComponentEventHandler extends ComponentAdapter {
58
    /**
59
     * Invoked when the component's size changes.
60
     */
61
    public void componentResized( final ComponentEvent e ) {
62
      setPreferredSize( e.getComponent().getPreferredSize() );
63
    }
64
  }
65
66
  /**
67
   * Responsible for opening hyperlinks. External hyperlinks are opened in
68
   * the system's default browser; local file system links are opened in the
69
   * editor.
70
   */
71
  private static final class HyperlinkListener extends LinkListener {
72
    @Override
73
    public void linkClicked( final BasicPanel panel, final String uri ) {
74
      try {
75
        switch( getProtocol( uri ) ) {
76
          case HTTP -> {
77
            final var desktop = getDesktop();
78
79
            if( desktop.isSupported( BROWSE ) ) {
80
              desktop.browse( new URI( uri ) );
81
            }
82
          }
83
          case FILE -> fireFileOpenEvent( new URI( uri ) );
84
        }
85
      } catch( final Exception ex ) {
86
        clue( ex );
87
      }
88
    }
89
  }
90
91
  private static final DomConverter CONVERTER = new DomConverter();
92
  private static final XhtmlNamespaceHandler XNH = new XhtmlNamespaceHandler();
93
94
  public HtmlPanel() {
95
    addDocumentListener( new DocumentEventHandler() );
96
    removeMouseTrackingListeners();
97
    addMouseTrackingListener( new HyperlinkListener() );
98
    addComponentListener( new ComponentEventHandler() );
99
  }
100
101
  /**
102
   * Updates the document model displayed by the renderer. Effectively, this
103
   * updates the HTML document to provide new content.
104
   *
105
   * @param html    A complete HTML5 document, including doctype.
106
   * @param baseUri URI to use for finding relative files, such as images.
107
   */
108
  public void render( final String html, final String baseUri ) {
109
    final var soup = parse( html );
110
    final var doc = CONVERTER.fromJsoup( soup );
111
    final Runnable renderDocument = () -> setDocument( doc, baseUri, XNH );
112
113
    // Access to a Swing component must occur from the Event Dispatch
114
    // Thread (EDT) according to Swing threading restrictions. Setting a new
115
    // document invokes a Swing repaint operation.
116
    if( isEventDispatchThread() ) {
117
      renderDocument.run();
118
    }
119
    else {
120
      invokeLater( renderDocument );
121
    }
122
123
    // When the text changes, let subscribers know. This allows for text
124
    // analysis to occur on a separate thread.
125
    fireDocumentChangedEvent( soup );
126
  }
127
128
  /**
129
   * Delegates to the {@link SharedContext}.
130
   *
131
   * @param id The HTML element identifier to retrieve in {@link Box} form.
132
   * @return The {@link Box} that corresponds to the given element ID, or
133
   * {@code null} if none found.
134
   */
135
  public Box getBoxById( final String id ) {
136
    return getSharedContext().getBoxById( id );
137
  }
138
139
  /**
140
   * Suppress scrolling to the top on updates.
141
   */
142
  @Override
143
  public void resetScrollPosition() {
144
  }
145
146
  /**
147
   * The default mouse click listener attempts navigation within the preview
148
   * panel. We want to usurp that behaviour to open the link in a
149
   * platform-specific browser.
150
   */
151
  private void removeMouseTrackingListeners() {
152
    for( final var listener : getMouseTrackingListeners() ) {
153
      if( !(listener instanceof HoverListener) ) {
154
        removeMouseTrackingListener( (FSMouseListener) listener );
155
      }
156
    }
157
  }
158
}
1159
A src/main/java/com/keenwrite/preview/HtmlPreview.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import com.keenwrite.preferences.LocaleProperty;
5
import com.keenwrite.preferences.Workspace;
6
import javafx.application.Platform;
7
import javafx.beans.property.DoubleProperty;
8
import javafx.beans.property.StringProperty;
9
import javafx.embed.swing.SwingNode;
10
import org.xhtmlrenderer.render.Box;
11
import org.xhtmlrenderer.swing.SwingReplacedElementFactory;
12
13
import javax.swing.*;
14
import java.awt.*;
15
import java.net.URL;
16
import java.nio.file.Path;
17
import java.util.Locale;
18
19
import static com.keenwrite.Constants.*;
20
import static com.keenwrite.Messages.get;
21
import static com.keenwrite.events.StatusEvent.clue;
22
import static com.keenwrite.preferences.WorkspaceKeys.*;
23
import static java.lang.Math.max;
24
import static java.lang.String.format;
25
import static java.lang.Thread.sleep;
26
import static javafx.application.Platform.runLater;
27
import static javafx.scene.CacheHint.SPEED;
28
import static javax.swing.SwingUtilities.invokeLater;
29
30
/**
31
 * Responsible for parsing an HTML document.
32
 */
33
public final class HtmlPreview extends SwingNode {
34
35
  /**
36
   * The order is important: Swing factory will replace SVG images with
37
   * a blank image, which will cause the chained factory to cache the image
38
   * and exit. Instead, the SVG must execute first to rasterize the content.
39
   * Consequently, the chained factory must maintain insertion order.
40
   */
41
  private static final ChainedReplacedElementFactory FACTORY
42
    = new ChainedReplacedElementFactory(
43
    new SvgReplacedElementFactory(),
44
    new SwingReplacedElementFactory()
45
  );
46
47
  /**
48
   * Used to populate the {@link #HTML_HEAD} with stylesheet file references.
49
   */
50
  private static final String HTML_STYLESHEET =
51
    "<link rel='stylesheet' href='%s'>";
52
53
  private static final String HTML_BASE =
54
    "<base href='%s'>";
55
56
  /**
57
   * Render CSS using points (pt) not pixels (px) to reduce the chance of
58
   * poor rendering. The {@link #generateHead()} method fills placeholders.
59
   * When the user has not set a locale, only one stylesheet is added to
60
   * the document. In order, the placeholders are as follows:
61
   * <ol>
62
   * <li>%s --- language</li>
63
   * <li>%s --- default stylesheet</li>
64
   * <li>%s --- language-specific stylesheet</li>
65
   * <li>%s --- font family</li>
66
   * <li>%d --- font size (must be pixels, not points due to bug)</li>
67
   * <li>%s --- base href</li>
68
   * </p>
69
   */
70
  private static final String HTML_HEAD =
71
    """
72
      <!doctype html>
73
      <html lang='%s'><head><title> </title><meta charset='utf-8'>
74
      %s%s<style>body{font-family:'%s';font-size: %dpx;}</style>%s</head><body>
75
      """;
76
77
  private static final String HTML_TAIL = "</body></html>";
78
79
  private static final URL HTML_STYLE_PREVIEW = toUrl( STYLESHEET_PREVIEW );
80
81
  /**
82
   * Reusing this buffer prevents repetitious memory re-allocations.
83
   */
84
  private final StringBuilder mDocument = new StringBuilder( 65536 );
85
86
  private HtmlPanel mView;
87
  private JScrollPane mScrollPane;
88
  private String mBaseUriPath = "";
89
  private String mHead = "";
90
91
  private final Workspace mWorkspace;
92
93
  /**
94
   * Creates a new preview pane that can scroll to the caret position within the
95
   * document.
96
   *
97
   * @param workspace Contains locale and font size information.
98
   */
99
  public HtmlPreview( final Workspace workspace ) {
100
    mWorkspace = workspace;
101
102
    // Attempts to prevent a flash of black un-styled content upon load.
103
    setStyle( "-fx-background-color: white;" );
104
105
    invokeLater( () -> {
106
      mHead = generateHead();
107
      mView = new HtmlPanel();
108
      mScrollPane = new JScrollPane( mView );
109
110
      // Enabling the cache attempts to prevent black flashes when resizing.
111
      setCache( true );
112
      setCacheHint( SPEED );
113
      setContent( mScrollPane );
114
115
      final var context = mView.getSharedContext();
116
      final var textRenderer = context.getTextRenderer();
117
      context.setReplacedElementFactory( FACTORY );
118
      textRenderer.setSmoothingThreshold( 0 );
119
120
      localeProperty().addListener( ( c, o, n ) -> rerender() );
121
      fontFamilyProperty().addListener( ( c, o, n ) -> rerender() );
122
      fontSizeProperty().addListener( ( c, o, n ) -> rerender() );
123
    } );
124
  }
125
126
  /**
127
   * Updates the internal HTML source shown in the preview pane.
128
   *
129
   * @param html The new HTML document to display.
130
   */
131
  public void render( final String html ) {
132
    mView.render( decorate( html ), getBaseUri() );
133
  }
134
135
  /**
136
   * Clears the caches then re-renders the content.
137
   */
138
  public void refresh() {
139
    FACTORY.clearCache();
140
    rerender();
141
  }
142
143
  /**
144
   * Recomputes the HTML head then renders the document.
145
   */
146
  private void rerender() {
147
    mHead = generateHead();
148
    render( mDocument.toString() );
149
  }
150
151
  /**
152
   * Attaches the HTML head prefix and HTML tail suffix to the given HTML
153
   * string.
154
   *
155
   * @param html The HTML to adorn with opening and closing tags.
156
   * @return A complete HTML document, ready for rendering.
157
   */
158
  private String decorate( final String html ) {
159
    mDocument.setLength( 0 );
160
    mDocument.append( html );
161
162
    // Head and tail must be separate from document due to re-rendering.
163
    return mHead + mDocument.toString() + HTML_TAIL;
164
  }
165
166
  /**
167
   * Called when settings are changed that affect the HTML document preamble.
168
   * This is a minor performance optimization to avoid generating the head
169
   * each time that the document itself changes.
170
   *
171
   * @return A new doctype and HTML {@code head} element.
172
   */
173
  private String generateHead() {
174
    final var locale = getLocale();
175
    final var url = toUrl( locale );
176
    final var base = getBaseUri();
177
178
    // Point sizes are converted to pixels because of a rendering bug.
179
    return format(
180
      HTML_HEAD,
181
      locale.getLanguage(),
182
      format( HTML_STYLESHEET, HTML_STYLE_PREVIEW ),
183
      url == null ? "" : format( HTML_STYLESHEET, url ),
184
      getFontFamily(),
185
      toPixels( getFontSize() ),
186
      base.isBlank() ? "" : format( HTML_BASE, base )
187
    );
188
  }
189
190
  /**
191
   * Clears the preview pane by rendering an empty string.
192
   */
193
  public void clear() {
194
    render( "" );
195
  }
196
197
  /**
198
   * Sets the base URI to the containing directory the file being edited.
199
   *
200
   * @param path The path to the file being edited.
201
   */
202
  public void setBaseUri( final Path path ) {
203
    final var parent = path.getParent();
204
    mBaseUriPath = parent == null ? "" : parent.toUri().toString();
205
  }
206
207
  /**
208
   * Scrolls to the closest element matching the given identifier without
209
   * waiting for the document to be ready.
210
   *
211
   * @param id Scroll the preview pane to this unique paragraph identifier.
212
   */
213
  public void scrollTo( final String id ) {
214
    final Runnable scrollToBox = () -> {
215
      int iter = 0;
216
      Box box = null;
217
218
      while( iter++ < 3 && ((box = mView.getBoxById( id )) == null) ) {
219
        try {
220
          sleep( 10 );
221
        } catch( final Exception ex ) {
222
          clue( ex );
223
        }
224
      }
225
226
      scrollTo( box );
227
    };
228
229
    if( Platform.isFxApplicationThread() ) {
230
      scrollToBox.run();
231
    }
232
    else {
233
      runLater( scrollToBox );
234
    }
235
  }
236
237
  /**
238
   * Scrolls to the location specified by the {@link Box} that corresponds
239
   * to a point somewhere in the preview pane. If there is no caret, then
240
   * this will not change the scroll position. Changing the scroll position
241
   * to the top if the {@link Box} instance is {@code null} will result in
242
   * jumping around a lot and inconsistent synchronization issues.
243
   *
244
   * @param box The rectangular region containing the caret, or {@code null}
245
   *            if the HTML does not have a caret.
246
   */
247
  private void scrollTo( final Box box ) {
248
    if( box != null ) {
249
      scrollTo( createPoint( box ) );
250
    }
251
  }
252
253
  private void scrollTo( final Point point ) {
254
    invokeLater( () -> {
255
      mView.scrollTo( point );
256
      getScrollPane().repaint();
257
    } );
258
  }
259
260
  /**
261
   * Creates a {@link Point} to use as a reference for scrolling to the area
262
   * described by the given {@link Box}. The {@link Box} coordinates are used
263
   * to populate the {@link Point}'s location, with minor adjustments for
264
   * vertical centering.
265
   *
266
   * @param box The {@link Box} that represents a scrolling anchor reference.
267
   * @return A coordinate suitable for scrolling to.
268
   */
269
  private Point createPoint( final Box box ) {
270
    assert box != null;
271
272
    // Scroll back up by half the height of the scroll bar to keep the typing
273
    // area within the view port. Otherwise the view port will have jumped too
274
    // high up and the most recently typed letters won't be visible.
275
    int y = max( box.getAbsY() - getVerticalScrollBarHeight() / 2, 0 );
276
    int x = box.getAbsX();
277
278
    if( !box.getStyle().isInline() ) {
279
      final var margin = box.getMargin( mView.getLayoutContext() );
280
      y += margin.top();
281
      x += margin.left();
282
    }
283
284
    return new Point( x, y );
285
  }
286
287
  private String getBaseUri() {
288
    return mBaseUriPath;
289
  }
290
291
  private JScrollPane getScrollPane() {
292
    return mScrollPane;
293
  }
294
295
  public JScrollBar getVerticalScrollBar() {
296
    return getScrollPane().getVerticalScrollBar();
297
  }
298
299
  private int getVerticalScrollBarHeight() {
300
    return getVerticalScrollBar().getHeight();
301
  }
302
303
  /**
304
   * Returns the ISO 639 alpha-2 or alpha-3 language code followed by a hyphen
305
   * followed by the ISO 15924 alpha-4 script code, followed by an ISO 3166
306
   * alpha-2 country code or UN M.49 numeric-3 area code. For example, this
307
   * could return "en-Latn-CA" for Canadian English written in the Latin
308
   * character set.
309
   *
310
   * @return Unique identifier for language and country.
311
   */
312
  private static URL toUrl( final Locale locale ) {
313
    return toUrl(
314
      get(
315
        sSettings.getSetting( STYLESHEET_PREVIEW_LOCALE, "" ),
316
        locale.getLanguage(),
317
        locale.getScript(),
318
        locale.getCountry()
319
      )
320
    );
321
  }
322
323
  private static URL toUrl( final String path ) {
324
    return HtmlPreview.class.getResource( path );
325
  }
326
327
  private Locale getLocale() {
328
    return localeProperty().toLocale();
329
  }
330
331
  private LocaleProperty localeProperty() {
332
    return mWorkspace.localeProperty( KEY_LANGUAGE_LOCALE );
333
  }
334
335
  private String getFontFamily() {
336
    return fontFamilyProperty().get();
337
  }
338
339
  private StringProperty fontFamilyProperty() {
340
    return mWorkspace.stringProperty( KEY_UI_FONT_PREVIEW_NAME );
341
  }
342
343
  private double getFontSize() {
344
    return fontSizeProperty().get();
345
  }
346
347
  /**
348
   * Returns the font size in points.
349
   *
350
   * @return The user-defined font size (in pt).
351
   */
352
  private DoubleProperty fontSizeProperty() {
353
    return mWorkspace.doubleProperty( KEY_UI_FONT_PREVIEW_SIZE );
354
  }
355
}
1356
A src/main/java/com/keenwrite/preview/MathRenderer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import com.whitemagicsoftware.tex.*;
5
import com.whitemagicsoftware.tex.graphics.SvgDomGraphics2D;
6
import org.w3c.dom.Document;
7
8
import java.util.function.Supplier;
9
10
import static com.keenwrite.events.StatusEvent.clue;
11
12
/**
13
 * Responsible for rendering formulas as scalable vector graphics (SVG).
14
 */
15
public final class MathRenderer {
16
17
  /**
18
   * Singleton instance for rendering math symbols.
19
   */
20
  public static final MathRenderer MATH_RENDERER = new MathRenderer();
21
22
  /**
23
   * Default font size in points.
24
   */
25
  private static final float FONT_SIZE = 20f;
26
27
  private final TeXFont mTeXFont = createDefaultTeXFont( FONT_SIZE );
28
  private final TeXEnvironment mEnvironment = createTeXEnvironment( mTeXFont );
29
  private final SvgDomGraphics2D mGraphics = createSvgDomGraphics2D();
30
31
  private MathRenderer() {
32
    mGraphics.scale( FONT_SIZE, FONT_SIZE );
33
  }
34
35
  /**
36
   * This method only takes a few seconds to generate
37
   *
38
   * @param equation A mathematical expression to render.
39
   * @return The given string with all formulas transformed into SVG format.
40
   */
41
  public Document render( final String equation ) {
42
    final var formula = new TeXFormula( equation );
43
    final var box = formula.createBox( mEnvironment );
44
    final var l = new TeXLayout( box, FONT_SIZE );
45
46
    mGraphics.initialize( l.getWidth(), l.getHeight() );
47
    box.draw( mGraphics, l.getX(), l.getY() );
48
    return mGraphics.toDom();
49
  }
50
51
  @SuppressWarnings("SameParameterValue")
52
  private TeXFont createDefaultTeXFont( final float fontSize ) {
53
    return create( () -> new DefaultTeXFont( fontSize ) );
54
  }
55
56
  private TeXEnvironment createTeXEnvironment( final TeXFont texFont ) {
57
    return create( () -> new TeXEnvironment( texFont ) );
58
  }
59
60
  private SvgDomGraphics2D createSvgDomGraphics2D() {
61
    return create( SvgDomGraphics2D::new );
62
  }
63
64
  /**
65
   * Tries to instantiate a given object, returning {@code null} on failure.
66
   * The failure message is bubbled up to to the user interface.
67
   *
68
   * @param supplier Creates an instance.
69
   * @param <T>      The type of instance being created.
70
   * @return An instance of the parameterized type or {@code null} upon error.
71
   */
72
  private <T> T create( final Supplier<T> supplier ) {
73
    try {
74
      return supplier.get();
75
    } catch( final Exception ex ) {
76
      clue( ex );
77
      return null;
78
    }
79
  }
80
}
181
A src/main/java/com/keenwrite/preview/RenderingSettings.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import java.util.HashMap;
5
import java.util.Map;
6
7
import static java.awt.RenderingHints.*;
8
import static java.awt.Toolkit.getDefaultToolkit;
9
10
/**
11
 * Responsible for supplying consistent rendering hints throughout the
12
 * application, such as image rendering for {@link SvgRasterizer}.
13
 */
14
@SuppressWarnings("rawtypes")
15
public final class RenderingSettings {
16
17
  /**
18
   * Default hints for high-quality rendering that may be changed by
19
   * the system's rendering hints.
20
   */
21
  private static final Map<Object, Object> DEFAULT_HINTS = Map.of(
22
      KEY_ANTIALIASING,
23
      VALUE_ANTIALIAS_ON,
24
      KEY_ALPHA_INTERPOLATION,
25
      VALUE_ALPHA_INTERPOLATION_QUALITY,
26
      KEY_COLOR_RENDERING,
27
      VALUE_COLOR_RENDER_QUALITY,
28
      KEY_DITHERING,
29
      VALUE_DITHER_DISABLE,
30
      KEY_FRACTIONALMETRICS,
31
      VALUE_FRACTIONALMETRICS_ON,
32
      KEY_INTERPOLATION,
33
      VALUE_INTERPOLATION_BICUBIC,
34
      KEY_RENDERING,
35
      VALUE_RENDER_QUALITY,
36
      KEY_STROKE_CONTROL,
37
      VALUE_STROKE_PURE,
38
      KEY_TEXT_ANTIALIASING,
39
      VALUE_TEXT_ANTIALIAS_ON
40
  );
41
42
  /**
43
   * Shared hints for high-quality rendering.
44
   */
45
  public static final Map<Object, Object> RENDERING_HINTS = new HashMap<>(
46
      DEFAULT_HINTS
47
  );
48
49
  static {
50
    final var toolkit = getDefaultToolkit();
51
    final var hints = toolkit.getDesktopProperty( "awt.font.desktophints" );
52
53
    if( hints instanceof Map ) {
54
      final var map = (Map) hints;
55
      for( final var key : map.keySet() ) {
56
        final var hint = map.get( key );
57
        RENDERING_HINTS.put( key, hint );
58
      }
59
    }
60
  }
61
62
  /**
63
   * Prevent instantiation as per Joshua Bloch's recommendation.
64
   */
65
  private RenderingSettings() {
66
  }
67
}
168
A src/main/java/com/keenwrite/preview/SvgRasterizer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import org.apache.batik.anim.dom.SAXSVGDocumentFactory;
5
import org.apache.batik.gvt.renderer.ImageRenderer;
6
import org.apache.batik.transcoder.TranscoderInput;
7
import org.apache.batik.transcoder.TranscoderOutput;
8
import org.apache.batik.transcoder.image.ImageTranscoder;
9
import org.w3c.dom.Document;
10
import org.w3c.dom.Element;
11
12
import javax.xml.transform.Transformer;
13
import javax.xml.transform.TransformerFactory;
14
import javax.xml.transform.dom.DOMSource;
15
import javax.xml.transform.stream.StreamResult;
16
import java.awt.*;
17
import java.awt.image.BufferedImage;
18
import java.io.File;
19
import java.io.StringReader;
20
import java.io.StringWriter;
21
import java.net.URI;
22
import java.nio.file.Path;
23
import java.text.NumberFormat;
24
25
import static com.keenwrite.events.StatusEvent.clue;
26
import static com.keenwrite.preview.RenderingSettings.RENDERING_HINTS;
27
import static java.awt.image.BufferedImage.TYPE_INT_RGB;
28
import static java.nio.charset.StandardCharsets.UTF_8;
29
import static java.text.NumberFormat.getIntegerInstance;
30
import static javax.xml.transform.OutputKeys.*;
31
import static org.apache.batik.transcoder.SVGAbstractTranscoder.KEY_WIDTH;
32
import static org.apache.batik.util.XMLResourceDescriptor.getXMLParserClassName;
33
34
/**
35
 * Responsible for converting SVG images into rasterized PNG images.
36
 */
37
public final class SvgRasterizer {
38
  private static final SAXSVGDocumentFactory FACTORY_DOM =
39
      new SAXSVGDocumentFactory( getXMLParserClassName() );
40
41
  private static final TransformerFactory FACTORY_TRANSFORM =
42
      TransformerFactory.newInstance();
43
44
  private static final Transformer sTransformer;
45
46
  static {
47
    Transformer t;
48
49
    try {
50
      t = FACTORY_TRANSFORM.newTransformer();
51
      t.setOutputProperty( OMIT_XML_DECLARATION, "yes" );
52
      t.setOutputProperty( METHOD, "xml" );
53
      t.setOutputProperty( INDENT, "no" );
54
      t.setOutputProperty( ENCODING, UTF_8.name() );
55
    } catch( final Exception ignored ) {
56
      t = null;
57
    }
58
59
    sTransformer = t;
60
  }
61
62
  private static final NumberFormat INT_FORMAT = getIntegerInstance();
63
64
  public static final BufferedImage BROKEN_IMAGE_PLACEHOLDER;
65
66
  /**
67
   * A FontAwesome camera icon, cleft asunder.
68
   */
69
  public static final String BROKEN_IMAGE_SVG =
70
      "<svg height='19pt' viewBox='0 0 25 19' width='25pt' xmlns='http://www" +
71
          ".w3.org/2000/svg'><g fill='#454545'><path d='m8.042969 11.085938c" +
72
          ".332031 1.445312 1.660156 2.503906 3.214843 2.558593zm0 0'/><path " +
73
          "d='m6.792969 9.621094-.300781.226562.242187.195313c.015625-.144531" +
74
          ".03125-.28125.058594-.421875zm0 0'/><path d='m10.597656.949219-2" +
75
          ".511718.207031c-.777344.066406-1.429688.582031-1.636719 1.292969l-" +
76
          ".367188 1.253906-3.414062.28125c-1.027344.085937-1.792969.949219-1" +
77
          ".699219 1.925781l.976562 10.621094c.089844.976562.996094 1.699219 " +
78
          "2.023438 1.613281l11.710938-.972656-3.117188-2.484375c-.246094" +
79
          ".0625-.5.109375-.765625.132812-2.566406.210938-4.835937-1.597656-5" +
80
          ".0625-4.039062-.023437-.25-.019531-.496094 0-.738281l-.242187-" +
81
          ".195313.300781-.226562c.359375-1.929688 2.039062-3.472656 4" +
82
          ".191406-3.652344.207031-.015625.414063-.015625.617187-.007812l" +
83
          ".933594-.707032zm0 0'/><path d='m10.234375 11.070312 2.964844 2" +
84
          ".820313c.144531.015625.285156.027344.433593.027344 1.890626 0 3" +
85
          ".429688-1.460938 3.429688-3.257813 0-1.792968-1.539062-3.257812-3" +
86
          ".429688-3.257812-1.890624 0-3.429687 1.464844-3.429687 3.257812 0 " +
87
          ".140625.011719.277344.03125.410156zm0 0'/><path d='m14.488281" +
88
          ".808594 1.117188 4.554687-1.042969.546875c2.25.476563 3.84375 2" +
89
          ".472656 3.636719 4.714844-.199219 2.191406-2.050781 3.871094-4" +
90
          ".285157 4.039062l2.609376 2.957032 4.4375.371094c1.03125.085937 1" +
91
          ".9375-.640626 2.027343-1.617188l.976563-10.617188c.089844-.980468-" +
92
          ".667969-1.839843-1.699219-1.925781l-3.414063-.285156-.371093-1" +
93
          ".253906c-.207031-.710938-.859375-1.226563-1.636719-1.289063zm0 " +
94
          "0'/></g></svg>";
95
96
  static {
97
    // The width and height cannot be embedded in the SVG above because the
98
    // path element values are relative to the viewBox dimensions.
99
    final int w = 75;
100
    final int h = 75;
101
    BufferedImage image;
102
103
    try {
104
      image = rasterizeString( BROKEN_IMAGE_SVG, w );
105
    } catch( final Exception ex ) {
106
      image = new BufferedImage( w, h, TYPE_INT_RGB );
107
      final var graphics = (Graphics2D) image.getGraphics();
108
      graphics.setRenderingHints( RENDERING_HINTS );
109
110
      // Fall back to a (\) symbol.
111
      graphics.setColor( new Color( 204, 204, 204 ) );
112
      graphics.fillRect( 0, 0, w, h );
113
      graphics.setColor( new Color( 255, 204, 204 ) );
114
      graphics.setStroke( new BasicStroke( 4 ) );
115
      graphics.drawOval( w / 4, h / 4, w / 2, h / 2 );
116
      graphics.drawLine( w / 4 + (int) (w / 4 / Math.PI),
117
                         h / 4 + (int) (w / 4 / Math.PI),
118
                         w / 2 + w / 4 - (int) (w / 4 / Math.PI),
119
                         h / 2 + h / 4 - (int) (w / 4 / Math.PI) );
120
    }
121
122
    BROKEN_IMAGE_PLACEHOLDER = image;
123
  }
124
125
  /**
126
   * Responsible for creating a new {@link ImageRenderer} implementation that
127
   * can render a DOM as an SVG image.
128
   */
129
  private static class BufferedImageTranscoder extends ImageTranscoder {
130
    private BufferedImage mImage;
131
132
    @Override
133
    public BufferedImage createImage( final int w, final int h ) {
134
      return new BufferedImage( w, h, BufferedImage.TYPE_INT_ARGB );
135
    }
136
137
    @Override
138
    public void writeImage(
139
        final BufferedImage image, final TranscoderOutput output ) {
140
      mImage = image;
141
    }
142
143
    public BufferedImage getImage() {
144
      return mImage;
145
    }
146
147
    @Override
148
    protected ImageRenderer createRenderer() {
149
      final ImageRenderer renderer = super.createRenderer();
150
      final RenderingHints hints = renderer.getRenderingHints();
151
      hints.putAll( RENDERING_HINTS );
152
      renderer.setRenderingHints( hints );
153
154
      return renderer;
155
    }
156
  }
157
158
  /**
159
   * Rasterizes the given document into an image.
160
   *
161
   * @param svg   The SVG {@link Document} to rasterize.
162
   * @param width The rasterized image's width (in pixels).
163
   * @return The rasterized image.
164
   */
165
  public static BufferedImage rasterize( final Document svg, final int width ) {
166
    try {
167
      final var transcoder = new BufferedImageTranscoder();
168
      final var input = new TranscoderInput( svg );
169
170
      transcoder.addTranscodingHint( KEY_WIDTH, (float) width );
171
      transcoder.transcode( input, null );
172
      return transcoder.getImage();
173
    } catch( final Exception ex ) {
174
      clue( ex );
175
    }
176
177
    return BROKEN_IMAGE_PLACEHOLDER;
178
  }
179
180
  public static BufferedImage rasterize( final Document document ) {
181
    try {
182
      final var root = document.getDocumentElement();
183
      final var width = root.getAttribute( "width" );
184
      return rasterize( document, INT_FORMAT.parse( width ).intValue() );
185
    } catch( final Exception ex ) {
186
      clue( ex );
187
    }
188
189
    return BROKEN_IMAGE_PLACEHOLDER;
190
  }
191
192
  /**
193
   * Rasterizes the vector graphic file at the given URI. If any exception
194
   * happens, a broken image icon is returned instead.
195
   *
196
   * @param path  The {@link Path} to a vector graphic file.
197
   * @param width Scale the image to the given width (px); aspect ratio is
198
   *              maintained.
199
   * @return A rasterized image as an instance of {@link BufferedImage}.
200
   */
201
  public static BufferedImage rasterize( final Path path, final int width ) {
202
    return rasterize( path.toUri(), width );
203
  }
204
205
  /**
206
   * Rasterizes the vector graphic file at the given URI. If any exception
207
   * happens, a broken image icon is returned instead.
208
   *
209
   * @param uri   The URI to a vector graphic file, which must include the
210
   *              protocol scheme (such as file:// or https://).
211
   * @param width Scale the image to the given width (px); aspect ratio is
212
   *              maintained.
213
   * @return A rasterized image as an instance of {@link BufferedImage}.
214
   */
215
  public static BufferedImage rasterize( final String uri, final int width ) {
216
    return rasterize( new File( uri ).toURI(), width );
217
  }
218
219
  /**
220
   * Converts an SVG drawing into a rasterized image that can be drawn on
221
   * a graphics context.
222
   *
223
   * @param uri   The path to the image (can be web address).
224
   * @param width Scale the image to the given width (px); aspect ratio is
225
   *              maintained.
226
   * @return The vector graphic transcoded into a raster image format.
227
   */
228
  public static BufferedImage rasterize( final URI uri, final int width ) {
229
    try {
230
      return rasterize( FACTORY_DOM.createDocument( uri.toString() ), width );
231
    } catch( final Exception ex ) {
232
      clue( ex );
233
    }
234
235
    return BROKEN_IMAGE_PLACEHOLDER;
236
  }
237
238
  /**
239
   * Converts an SVG string into a rasterized image that can be drawn on
240
   * a graphics context. The dimensions are determined from the document.
241
   *
242
   * @param xml The SVG xml document.
243
   * @return The vector graphic transcoded into a raster image format.
244
   */
245
  public static BufferedImage rasterizeString( final String xml ) {
246
    try {
247
      final var document = toDocument( xml );
248
      final var root = document.getDocumentElement();
249
      final var width = root.getAttribute( "width" );
250
      return rasterizeString( xml, INT_FORMAT.parse( width ).intValue() );
251
    } catch( final Exception ex ) {
252
      clue( ex );
253
    }
254
255
    return BROKEN_IMAGE_PLACEHOLDER;
256
  }
257
258
  /**
259
   * Converts an SVG string into a rasterized image that can be drawn on
260
   * a graphics context.
261
   *
262
   * @param svg The SVG xml document.
263
   * @param w   Scale the image width to this size (aspect ratio is
264
   *            maintained).
265
   * @return The vector graphic transcoded into a raster image format.
266
   */
267
  public static BufferedImage rasterizeString( final String svg, final int w ) {
268
    return rasterize( toDocument( svg ), w );
269
  }
270
271
  /**
272
   * Given a document object model (DOM) {@link Element}, this will convert that
273
   * element to a string.
274
   *
275
   * @param e The DOM node to convert to a string.
276
   * @return The DOM node as an escaped, plain text string.
277
   */
278
  public static String toSvg( final Element e ) {
279
    try( final var writer = new StringWriter() ) {
280
      sTransformer.transform( new DOMSource( e ), new StreamResult( writer ) );
281
      return writer.toString().replaceAll( "xmlns=\"\" ", "" );
282
    } catch( final Exception ex ) {
283
      clue( ex );
284
    }
285
286
    return BROKEN_IMAGE_SVG;
287
  }
288
289
  /**
290
   * Converts an SVG XML string into a new {@link Document} instance.
291
   *
292
   * @param xml The XML containing SVG elements.
293
   * @return The SVG contents parsed into a {@link Document} object model.
294
   */
295
  private static Document toDocument( final String xml ) {
296
    try( final var reader = new StringReader( xml ) ) {
297
      return FACTORY_DOM.createSVGDocument(
298
          "http://www.w3.org/2000/svg", reader );
299
    } catch( final Exception ex ) {
300
      throw new IllegalArgumentException( ex );
301
    }
302
  }
303
}
1304
A src/main/java/com/keenwrite/preview/SvgReplacedElementFactory.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.preview;
3
4
import com.keenwrite.io.HttpMediaType;
5
import com.keenwrite.io.MediaType;
6
import com.keenwrite.ui.adapters.ReplacedElementAdapter;
7
import org.w3c.dom.Element;
8
import org.xhtmlrenderer.extend.ReplacedElement;
9
import org.xhtmlrenderer.extend.UserAgentCallback;
10
import org.xhtmlrenderer.layout.LayoutContext;
11
import org.xhtmlrenderer.render.BlockBox;
12
import org.xhtmlrenderer.swing.ImageReplacedElement;
13
14
import java.awt.image.BufferedImage;
15
import java.net.URI;
16
import java.nio.file.Path;
17
18
import static com.keenwrite.events.StatusEvent.clue;
19
import static com.keenwrite.io.MediaType.*;
20
import static com.keenwrite.preview.MathRenderer.MATH_RENDERER;
21
import static com.keenwrite.preview.SvgRasterizer.BROKEN_IMAGE_PLACEHOLDER;
22
import static com.keenwrite.preview.SvgRasterizer.rasterize;
23
import static com.keenwrite.processors.markdown.extensions.tex.TexNode.HTML_TEX;
24
import static com.keenwrite.util.ProtocolScheme.getProtocol;
25
26
/**
27
 * Responsible for running {@link SvgRasterizer} on SVG images detected within
28
 * a document to transform them into rasterized versions.
29
 */
30
public final class SvgReplacedElementFactory extends ReplacedElementAdapter {
31
32
  public static final String HTML_IMAGE = "img";
33
  public static final String HTML_IMAGE_SRC = "src";
34
35
  private static final ImageReplacedElement BROKEN_IMAGE =
36
    createImageReplacedElement( BROKEN_IMAGE_PLACEHOLDER );
37
38
  @Override
39
  public ReplacedElement createReplacedElement(
40
    final LayoutContext c,
41
    final BlockBox box,
42
    final UserAgentCallback uac,
43
    final int cssWidth,
44
    final int cssHeight ) {
45
    final var e = box.getElement();
46
47
    ImageReplacedElement image = null;
48
49
    try {
50
      BufferedImage raster = null;
51
52
      switch( e.getNodeName() ) {
53
        case HTML_IMAGE -> {
54
          final var source = e.getAttribute( HTML_IMAGE_SRC );
55
          URI uri = null;
56
57
          if( getProtocol( source ).isHttp() ) {
58
            var mediaType = MediaType.valueFrom( source );
59
60
            if( isSvg( mediaType ) || mediaType == UNDEFINED ) {
61
              uri = new URI( source );
62
63
              // Attempt to rasterize SVG depending on URL resource content.
64
              if( !isSvg( HttpMediaType.valueFrom( uri ) ) ) {
65
                uri = null;
66
              }
67
            }
68
          }
69
          else if( isSvg( MediaType.valueFrom( source ) ) ) {
70
            // Attempt to rasterize based on file name.
71
            final var path = Path.of( new URI( source ).getPath() );
72
73
            if( path.isAbsolute() ) {
74
              uri = path.toUri();
75
            }
76
            else {
77
              final var base = new URI( getBaseUri( e ) ).getPath();
78
              uri = Path.of( base, source ).toUri();
79
            }
80
          }
81
82
          if( uri != null ) {
83
            raster = rasterize( uri, box.getContentWidth() );
84
          }
85
        }
86
        case HTML_TEX ->
87
          // Convert the TeX element to a raster graphic.
88
          raster = rasterize( MATH_RENDERER.render( e.getTextContent() ) );
89
      }
90
91
      if( raster != null ) {
92
        image = createImageReplacedElement( raster );
93
      }
94
    } catch( final Exception ex ) {
95
      image = BROKEN_IMAGE;
96
      clue( ex );
97
    }
98
99
    return image;
100
  }
101
102
  private String getBaseUri( final Element e ) {
103
    try {
104
      final var doc = e.getOwnerDocument();
105
      final var html = doc.getDocumentElement();
106
      final var head = html.getFirstChild();
107
      final var children = head.getChildNodes();
108
109
      for( int i = children.getLength() - 1; i >= 0; i-- ) {
110
        final var child = children.item( i );
111
        final var name = child.getLocalName();
112
113
        if( "base".equalsIgnoreCase( name ) ) {
114
          final var attrs = child.getAttributes();
115
          final var item = attrs.getNamedItem( "href" );
116
117
          return item.getNodeValue();
118
        }
119
      }
120
    } catch( final Exception ex ) {
121
      clue( ex );
122
    }
123
124
    return "";
125
  }
126
127
  private static ImageReplacedElement createImageReplacedElement(
128
    final BufferedImage bi ) {
129
    return new ImageReplacedElement( bi, bi.getWidth(), bi.getHeight() );
130
  }
131
132
  private static boolean isSvg( final MediaType mediaType ) {
133
    return mediaType == TEXT_PLAIN || mediaType == IMAGE_SVG_XML;
134
  }
135
}
1136
A src/main/java/com/keenwrite/processors/DefinitionProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
import java.util.Map;
5
6
import static com.keenwrite.processors.text.TextReplacementFactory.replace;
7
8
/**
9
 * Processes interpolated string definitions in the document and inserts
10
 * their values into the post-processed text. The default variable syntax is
11
 * {@code $variable$}.
12
 */
13
public class DefinitionProcessor extends ExecutorProcessor<String> {
14
15
  private final Map<String, String> mDefinitions;
16
17
  /**
18
   * Constructs a processor capable of interpolating string definitions.
19
   *
20
   * @param successor Subsequent link in the processing chain.
21
   * @param context   Contains resolved definitions map.
22
   */
23
  public DefinitionProcessor(
24
      final Processor<String> successor,
25
      final ProcessorContext context ) {
26
    super( successor );
27
    mDefinitions = context.getResolvedMap();
28
  }
29
30
  /**
31
   * Processes the given text document by replacing variables with their values.
32
   *
33
   * @param text The document text that includes variables that should be
34
   *             replaced with values when rendered as HTML.
35
   * @return The text with all variables replaced.
36
   */
37
  @Override
38
  public String apply( final String text ) {
39
    return replace( text, getDefinitions() );
40
  }
41
42
  /**
43
   * Returns the map to use for variable substitution.
44
   *
45
   * @return A map of variable names to values.
46
   */
47
  protected Map<String, String> getDefinitions() {
48
    return mDefinitions;
49
  }
50
}
151
A src/main/java/com/keenwrite/processors/ExecutorProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
import java.util.Optional;
5
import java.util.concurrent.atomic.AtomicReference;
6
7
import static com.keenwrite.events.StatusEvent.clue;
8
9
/**
10
 * Responsible for transforming data through a variety of chained handlers.
11
 *
12
 * @param <T> The data type to process.
13
 */
14
public class ExecutorProcessor<T> implements Processor<T> {
15
16
  /**
17
   * The next link in the processing chain.
18
   */
19
  private final Processor<T> mNext;
20
21
  protected ExecutorProcessor() {
22
    this( null );
23
  }
24
25
  /**
26
   * Constructs a new processor having a given successor.
27
   *
28
   * @param successor The next processor in the chain.
29
   */
30
  public ExecutorProcessor( final Processor<T> successor ) {
31
    mNext = successor;
32
  }
33
34
  /**
35
   * Calls every link in the chain to process the given data.
36
   *
37
   * @param data The data to transform.
38
   * @return The data after processing by every link in the chain.
39
   */
40
  @Override
41
  public T apply( final T data ) {
42
    // Start processing using the first processor after the executor.
43
    Optional<Processor<T>> handler = next();
44
    final var result = new MutableReference( data );
45
46
    while( handler.isPresent() ) {
47
      handler = handler.flatMap( p -> {
48
        try {
49
          result.set( p.apply( result.get() ) );
50
        } catch( final Exception ex ) {
51
          clue( ex );
52
        }
53
54
        return p.next();
55
      } );
56
    }
57
58
    return result.get();
59
  }
60
61
  @Override
62
  public Optional<Processor<T>> next() {
63
    return Optional.ofNullable( mNext );
64
  }
65
66
  /**
67
   * A minor micro-optimization, since the processors cannot be run in parallel,
68
   * avoid using an {@link AtomicReference} during processor execution. This
69
   * is about twice as fast for the first four processor links in the chain.
70
   */
71
  private final class MutableReference {
72
    private T mObject;
73
74
    MutableReference( final T object ) {
75
      set( object );
76
    }
77
78
    void set( final T object ) {
79
      mObject = object;
80
    }
81
82
    T get() {
83
      return mObject;
84
    }
85
  }
86
}
187
A src/main/java/com/keenwrite/processors/HtmlPreviewProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
import com.keenwrite.preview.HtmlPreview;
5
6
/**
7
 * Responsible for notifying the HTMLPreviewPane when the succession chain has
8
 * updated. This decouples knowledge of changes to the editor panel from the
9
 * HTML preview panel as well as any processing that takes place before the
10
 * final HTML preview is rendered. This is the last link in the processor
11
 * chain.
12
 */
13
public final class HtmlPreviewProcessor extends ExecutorProcessor<String> {
14
15
  /**
16
   * There is only one preview panel.
17
   */
18
  private static HtmlPreview sHtmlPreviewPane;
19
20
  /**
21
   * Constructs the end of a processing chain.
22
   *
23
   * @param htmlPreviewPane The pane to update with the post-processed document.
24
   */
25
  public HtmlPreviewProcessor( final HtmlPreview htmlPreviewPane ) {
26
    sHtmlPreviewPane = htmlPreviewPane;
27
  }
28
29
  /**
30
   * Update the preview panel using HTML from the succession chain.
31
   *
32
   * @param html The document content to render in the preview pane. The HTML
33
   *             should not contain a doctype, head, or body tag.
34
   * @return The given {@code html} string.
35
   */
36
  @Override
37
  public String apply( final String html ) {
38
    assert html != null;
39
40
    getHtmlPreviewPane().render( html );
41
    return html;
42
  }
43
44
  private HtmlPreview getHtmlPreviewPane() {
45
    return sHtmlPreviewPane;
46
  }
47
}
148
A src/main/java/com/keenwrite/processors/IdentityProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
/**
5
 * Responsible for transforming a string into itself. This is used at the
6
 * end of a processing chain when no more processing is required.
7
 */
8
public final class IdentityProcessor extends ExecutorProcessor<String> {
9
  public static final IdentityProcessor IDENTITY = new IdentityProcessor();
10
11
  /**
12
   * Constructs a new instance having no successor (the default successor is
13
   * {@code null}).
14
   */
15
  private IdentityProcessor() {
16
  }
17
18
  /**
19
   * Returns the given string without modification.
20
   *
21
   * @param s The string to return.
22
   * @return The value of s.
23
   */
24
  @Override
25
  public String apply( final String s ) {
26
    return s;
27
  }
28
}
129
A src/main/java/com/keenwrite/processors/PreformattedProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
/**
5
 * This is the default processor used when an unknown file name extension is
6
 * encountered. It processes the text by enclosing it in an HTML {@code <pre>}
7
 * element.
8
 */
9
public final class PreformattedProcessor extends ExecutorProcessor<String> {
10
11
  /**
12
   * Passes the link to the super constructor.
13
   *
14
   * @param successor The next processor in the chain to use for text
15
   *                  processing.
16
   */
17
  public PreformattedProcessor( final Processor<String> successor ) {
18
    super( successor );
19
  }
20
21
  /**
22
   * Returns the given string, modified with "pre" tags.
23
   *
24
   * @param t The string to return, enclosed in "pre" tags.
25
   * @return The value of t wrapped in "pre" tags.
26
   */
27
  @Override
28
  public String apply( final String t ) {
29
    return "<pre>" + t + "</pre>";
30
  }
31
}
132
A src/main/java/com/keenwrite/processors/Processor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
import java.util.Optional;
5
import java.util.function.UnaryOperator;
6
7
/**
8
 * Responsible for processing documents from one known format to another.
9
 * Processes the given content providing a transformation from one document
10
 * format into another. For example, this could convert Markdown to HTML.
11
 *
12
 * @param <T> The data type to process.
13
 */
14
public interface Processor<T> extends UnaryOperator<T> {
15
16
  /**
17
   * Returns the next link in the processor chain.
18
   *
19
   * @return The processor intended to transform the data after this instance
20
   * has finished processing, or {@link Optional#empty} if this is the last
21
   * link in the chain.
22
   */
23
  default Optional<Processor<T>> next() {
24
    return Optional.empty();
25
  }
26
}
127
A src/main/java/com/keenwrite/processors/ProcessorContext.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
import com.keenwrite.Constants;
5
import com.keenwrite.ExportFormat;
6
import com.keenwrite.io.FileType;
7
import com.keenwrite.preferences.Workspace;
8
import com.keenwrite.preview.HtmlPreview;
9
import com.keenwrite.Caret;
10
11
import java.nio.file.Path;
12
import java.util.Map;
13
14
import static com.keenwrite.AbstractFileFactory.lookup;
15
import static com.keenwrite.Constants.DEFAULT_DIRECTORY;
16
17
/**
18
 * Provides a context for configuring a chain of {@link Processor} instances.
19
 */
20
public final class ProcessorContext {
21
  private final HtmlPreview mHtmlPreview;
22
  private final Map<String, String> mResolvedMap;
23
  private final Path mDocumentPath;
24
  private final Caret mCaret;
25
  private final ExportFormat mExportFormat;
26
  private final Workspace mWorkspace;
27
28
  /**
29
   * Creates a new context for use by the {@link ProcessorFactory} when
30
   * instantiating new {@link Processor} instances. Although all the
31
   * parameters are required, not all {@link Processor} instances will use
32
   * all parameters.
33
   *
34
   * @param htmlPreview  Where to display the final (HTML) output.
35
   * @param resolvedMap  Fully expanded interpolated strings.
36
   * @param documentPath         Path to the document to process.
37
   * @param caret        Location of the caret in the edited document, which is
38
   *                     used to synchronize the scrollbars.
39
   * @param exportFormat Indicate configuration options for export format.
40
   */
41
  public ProcessorContext(
42
    final HtmlPreview htmlPreview,
43
    final Map<String, String> resolvedMap,
44
    final Path documentPath,
45
    final Caret caret,
46
    final ExportFormat exportFormat,
47
    final Workspace workspace ) {
48
    assert htmlPreview != null;
49
    assert resolvedMap != null;
50
    assert documentPath != null;
51
    assert caret != null;
52
    assert exportFormat != null;
53
    assert workspace != null;
54
55
    mHtmlPreview = htmlPreview;
56
    mResolvedMap = resolvedMap;
57
    mDocumentPath = documentPath;
58
    mCaret = caret;
59
    mExportFormat = exportFormat;
60
    mWorkspace = workspace;
61
  }
62
63
  @SuppressWarnings( "SameParameterValue" )
64
  boolean isExportFormat( final ExportFormat format ) {
65
    return mExportFormat == format;
66
  }
67
68
  HtmlPreview getPreview() {
69
    return mHtmlPreview;
70
  }
71
72
  /**
73
   * Returns the variable map of interpolated definitions.
74
   *
75
   * @return A map to help dereference variables.
76
   */
77
  Map<String, String> getResolvedMap() {
78
    return mResolvedMap;
79
  }
80
81
  public ExportFormat getExportFormat() {
82
    return mExportFormat;
83
  }
84
85
  /**
86
   * Returns the current caret position in the document being edited and is
87
   * always up-to-date.
88
   *
89
   * @return Caret position in the document.
90
   */
91
  public Caret getCaret() {
92
    return mCaret;
93
  }
94
95
  /**
96
   * Returns the directory that contains the file being edited.
97
   * When {@link Constants#DOCUMENT_DEFAULT} is created, the parent path is
98
   * {@code null}. This will get absolute path to the file before trying to
99
   * get te parent path, which should always be a valid path. In the unlikely
100
   * event that the base path cannot be determined by the path alone, the
101
   * default user directory is returned. This is necessary for the creation
102
   * of new files.
103
   *
104
   * @return Path to the directory containing a file being edited, or the
105
   * default user directory if the base path cannot be determined.
106
   */
107
  public Path getBaseDir() {
108
    final var path = getDocumentPath().toAbsolutePath().getParent();
109
    return path == null ? DEFAULT_DIRECTORY : path;
110
  }
111
112
  public Path getDocumentPath() {
113
    return mDocumentPath;
114
  }
115
116
  FileType getFileType() {
117
    return lookup( getDocumentPath() );
118
  }
119
120
  public Workspace getWorkspace() {
121
    return mWorkspace;
122
  }
123
}
1124
A src/main/java/com/keenwrite/processors/ProcessorFactory.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
import com.keenwrite.AbstractFileFactory;
5
import com.keenwrite.preview.HtmlPreview;
6
import com.keenwrite.processors.markdown.MarkdownProcessor;
7
8
import static com.keenwrite.ExportFormat.NONE;
9
10
/**
11
 * Responsible for creating processors capable of parsing, transforming,
12
 * interpolating, and rendering known file types.
13
 */
14
public final class ProcessorFactory extends AbstractFileFactory {
15
16
  private final ProcessorContext mContext;
17
18
  /**
19
   * Constructs a factory with the ability to create processors that can perform
20
   * text and caret processing to generate a final preview.
21
   *
22
   * @param context Parameters needed to construct various processors.
23
   */
24
  private ProcessorFactory( final ProcessorContext context ) {
25
    mContext = context;
26
  }
27
28
  private Processor<String> createProcessor() {
29
    final var context = getProcessorContext();
30
31
    // If the content is not to be exported, then the successor processor
32
    // is one that parses Markdown into HTML and passes the string to the
33
    // HTML preview pane.
34
    //
35
    // Otherwise, bolt on a processor that--after the interpolation and
36
    // substitution phase, which includes text strings or R code---will
37
    // generate HTML or plain Markdown. HTML has a few output formats:
38
    // with embedded SVG representing formulas, or without any conversion
39
    // to SVG. Without conversion would require client-side rendering of
40
    // math (such as using the JavaScript-based KaTeX engine).
41
    final var successor = context.isExportFormat( NONE )
42
      ? createHtmlPreviewProcessor()
43
      : createIdentityProcessor();
44
45
    final var processor = switch( context.getFileType() ) {
46
      case SOURCE, RMARKDOWN -> createMarkdownProcessor( successor );
47
      case RXML -> createRXmlProcessor( successor );
48
      case XML -> createXmlProcessor( successor );
49
      default -> createPreformattedProcessor( successor );
50
    };
51
52
    return new ExecutorProcessor<>( processor );
53
  }
54
55
  /**
56
   * Creates a processor chain suitable for parsing and rendering the file
57
   * opened at the given tab.
58
   *
59
   * @param context The tab containing a text editor, path, and caret position.
60
   * @return A processor that can render the given tab's text.
61
   */
62
  public static Processor<String> createProcessors(
63
    final ProcessorContext context ) {
64
    return new ProcessorFactory( context ).createProcessor();
65
  }
66
67
  /**
68
   * Instantiates a new {@link Processor} that has no successor and returns
69
   * the string it was given without modification.
70
   *
71
   * @return An instance of {@link Processor} that performs no processing.
72
   */
73
  private Processor<String> createIdentityProcessor() {
74
    return IdentityProcessor.IDENTITY;
75
  }
76
77
  /**
78
   * Instantiates a new {@link Processor} that passes an incoming HTML
79
   * string to a user interface widget that can render HTML as a web page.
80
   *
81
   * @return An instance of {@link Processor} that forwards HTML for display.
82
   */
83
  private Processor<String> createHtmlPreviewProcessor() {
84
    return new HtmlPreviewProcessor( getPreviewPane() );
85
  }
86
87
  /**
88
   * Instantiates a {@link Processor} responsible for parsing Markdown and
89
   * definitions.
90
   *
91
   * @return A chain of {@link Processor}s for processing Markdown and
92
   * definitions.
93
   */
94
  private Processor<String> createMarkdownProcessor(
95
    final Processor<String> successor ) {
96
    final var dp = createDefinitionProcessor( successor );
97
    return MarkdownProcessor.create( dp, getProcessorContext() );
98
  }
99
100
  private Processor<String> createDefinitionProcessor(
101
    final Processor<String> successor ) {
102
    return new DefinitionProcessor( successor, getProcessorContext() );
103
  }
104
105
  protected Processor<String> createRXmlProcessor(
106
    final Processor<String> successor ) {
107
    final var context = getProcessorContext();
108
    final var rp = MarkdownProcessor.create( successor, context );
109
    return new XmlProcessor( rp, context );
110
  }
111
112
  private Processor<String> createXmlProcessor(
113
    final Processor<String> successor ) {
114
    final var xmlp = new XmlProcessor( successor, getProcessorContext() );
115
    return createDefinitionProcessor( xmlp );
116
  }
117
118
  private Processor<String> createPreformattedProcessor(
119
    final Processor<String> successor ) {
120
    return new PreformattedProcessor( successor );
121
  }
122
123
  private ProcessorContext getProcessorContext() {
124
    return mContext;
125
  }
126
127
  private HtmlPreview getPreviewPane() {
128
    return getProcessorContext().getPreview();
129
  }
130
}
1131
A src/main/java/com/keenwrite/processors/XmlProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors;
3
4
import net.sf.saxon.Configuration;
5
import net.sf.saxon.TransformerFactoryImpl;
6
import net.sf.saxon.om.IgnorableSpaceStrippingRule;
7
import net.sf.saxon.trans.XPathException;
8
9
import javax.xml.stream.XMLEventReader;
10
import javax.xml.stream.XMLInputFactory;
11
import javax.xml.stream.XMLStreamException;
12
import javax.xml.stream.events.ProcessingInstruction;
13
import javax.xml.transform.*;
14
import javax.xml.transform.stream.StreamResult;
15
import javax.xml.transform.stream.StreamSource;
16
import java.io.Reader;
17
import java.io.StringReader;
18
import java.io.StringWriter;
19
import java.nio.file.Path;
20
import java.nio.file.Paths;
21
22
import static com.keenwrite.events.StatusEvent.clue;
23
import static javax.xml.stream.XMLInputFactory.newInstance;
24
import static net.sf.saxon.tree.util.ProcInstParser.getPseudoAttribute;
25
26
/**
27
 * Transforms an XML document. The XML document must have a stylesheet specified
28
 * as part of its processing instructions, such as:
29
 * <p>
30
 * {@code xml-stylesheet type="text/xsl" href="markdown.xsl"}
31
 * </p>
32
 * <p>
33
 * The XSL must transform the XML document into Markdown, or another format
34
 * recognized by the next link on the chain.
35
 * </p>
36
 */
37
public final class XmlProcessor extends ExecutorProcessor<String>
38
  implements ErrorListener {
39
40
  private final XMLInputFactory mXmlInputFactory = newInstance();
41
  private final Configuration mConfiguration = new Configuration();
42
  private final TransformerFactory mTransformerFactory =
43
    new TransformerFactoryImpl(mConfiguration);
44
  private Transformer mTransformer;
45
46
  private final Path mPath;
47
48
  /**
49
   * Constructs an XML processor that can transform an XML document into another
50
   * format based on the XSL file specified as a processing instruction. The
51
   * path must point to the directory where the XSL file is found, which implies
52
   * that they must be in the same directory.
53
   *
54
   * @param successor Next link in the processing chain.
55
   * @param context   Contains path to the XML file content to be processed.
56
   */
57
  public XmlProcessor(
58
    final Processor<String> successor,
59
    final ProcessorContext context ) {
60
    super( successor );
61
    mPath = context.getDocumentPath();
62
63
    // Bubble problems up to the user interface, rather than standard error.
64
    mTransformerFactory.setErrorListener( this );
65
    final var options = mConfiguration.getParseOptions();
66
    options.setSpaceStrippingRule( IgnorableSpaceStrippingRule.getInstance() );
67
  }
68
69
  /**
70
   * Transforms the given XML text into another form (typically Markdown).
71
   *
72
   * @param text The text to transform, can be empty, cannot be null.
73
   * @return The transformed text, or empty if text is empty.
74
   */
75
  @Override
76
  public String apply( final String text ) {
77
    try {
78
      return text.isEmpty() ? text : transform( text );
79
    } catch( final Exception ex ) {
80
      clue( ex );
81
      throw new RuntimeException( ex );
82
    }
83
  }
84
85
  /**
86
   * Performs an XSL transformation on the given XML text. The XML text must
87
   * have a processing instruction that points to the XSL template file to use
88
   * for the transformation.
89
   *
90
   * @param text The text to transform.
91
   * @return The transformed text.
92
   */
93
  private String transform( final String text ) throws Exception {
94
    try(
95
      final var output = new StringWriter( text.length() );
96
      final var input = new StringReader( text ) ) {
97
      // Extract the XML stylesheet processing instruction.
98
      final var template = getXsltFilename( text );
99
      final var xsl = getXslPath( template );
100
101
      // TODO: Use FileWatchService
102
      // Listen for external file modification events.
103
      // mSnitch.listen( xsl );
104
105
      getTransformer( xsl ).transform(
106
        new StreamSource( input ),
107
        new StreamResult( output )
108
      );
109
110
      return output.toString();
111
    }
112
  }
113
114
  /**
115
   * Returns an XSL transformer ready to transform an XML document using the
116
   * XSLT file specified by the given path. If the path is already known then
117
   * this will return the associated transformer.
118
   *
119
   * @param xsl The path to an XSLT file.
120
   * @return Transformer that transforms XML documents using said XSLT file.
121
   * @throws TransformerConfigurationException Instantiate transformer failed.
122
   */
123
  private synchronized Transformer getTransformer( final Path xsl )
124
    throws TransformerConfigurationException {
125
    if( mTransformer == null ) {
126
      mTransformer = createTransformer( xsl );
127
    }
128
129
    return mTransformer;
130
  }
131
132
  /**
133
   * Creates a configured transformer ready to run.
134
   *
135
   * @param xsl The stylesheet to use for transforming XML documents.
136
   * @return XML document transformed into another format (usually Markdown).
137
   * @throws TransformerConfigurationException Could not create the transformer.
138
   */
139
  protected Transformer createTransformer( final Path xsl )
140
    throws TransformerConfigurationException {
141
    final var xslt = new StreamSource( xsl.toFile() );
142
143
    return getTransformerFactory().newTransformer( xslt );
144
  }
145
146
  private Path getXslPath( final String filename ) {
147
    final var xmlDirectory = mPath.toFile().getParentFile();
148
149
    return Paths.get( xmlDirectory.getPath(), filename );
150
  }
151
152
  /**
153
   * Given XML text, this will use a StAX pull reader to obtain the XML
154
   * stylesheet processing instruction. This will throw a parse exception if the
155
   * href pseudo-attribute file name value cannot be found.
156
   *
157
   * @param xml The XML containing an xml-stylesheet processing instruction.
158
   * @return The href pseudo-attribute value.
159
   * @throws XMLStreamException Could not parse the XML file.
160
   */
161
  private String getXsltFilename( final String xml )
162
    throws XMLStreamException, XPathException {
163
    var result = "";
164
165
    try( final var sr = new StringReader( xml ) ) {
166
      final var reader = createXmlEventReader( sr );
167
      var found = false;
168
      var count = 0;
169
170
      // If the processing instruction wasn't found in the first 10 lines,
171
      // fail fast. This should iterate twice through the loop.
172
      while( !found && reader.hasNext() && count++ < 10 ) {
173
        final var event = reader.nextEvent();
174
175
        if( event.isProcessingInstruction() ) {
176
          final var pi = (ProcessingInstruction) event;
177
          final var target = pi.getTarget();
178
179
          if( "xml-stylesheet".equalsIgnoreCase( target ) ) {
180
            result = getPseudoAttribute( pi.getData(), "href" );
181
            found = true;
182
          }
183
        }
184
      }
185
    }
186
187
    return result;
188
  }
189
190
  private XMLEventReader createXmlEventReader( final Reader reader )
191
    throws XMLStreamException {
192
    return mXmlInputFactory.createXMLEventReader( reader );
193
  }
194
195
  private synchronized TransformerFactory getTransformerFactory() {
196
    return mTransformerFactory;
197
  }
198
199
  /**
200
   * Called when the XSL transformer issues a warning.
201
   *
202
   * @param ex The problem the transformer encountered.
203
   */
204
  @Override
205
  public void warning( final TransformerException ex ) {
206
    clue( ex );
207
  }
208
209
  /**
210
   * Called when the XSL transformer issues an error.
211
   *
212
   * @param ex The problem the transformer encountered.
213
   */
214
  @Override
215
  public void error( final TransformerException ex ) {
216
    clue( ex );
217
  }
218
219
  /**
220
   * Called when the XSL transformer issues a fatal error, which is probably
221
   * a bit over-dramatic for a method name.
222
   *
223
   * @param ex The problem the transformer encountered.
224
   */
225
  @Override
226
  public void fatalError( final TransformerException ex ) {
227
    clue( ex );
228
  }
229
}
1230
A src/main/java/com/keenwrite/processors/markdown/BaseMarkdownProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown;
3
4
import com.keenwrite.processors.ExecutorProcessor;
5
import com.keenwrite.processors.Processor;
6
import com.keenwrite.processors.ProcessorContext;
7
import com.keenwrite.processors.markdown.extensions.r.RExtension;
8
import com.vladsch.flexmark.ext.definition.DefinitionExtension;
9
import com.vladsch.flexmark.ext.gfm.strikethrough.StrikethroughSubscriptExtension;
10
import com.vladsch.flexmark.ext.superscript.SuperscriptExtension;
11
import com.vladsch.flexmark.ext.tables.TablesExtension;
12
import com.vladsch.flexmark.ext.typographic.TypographicExtension;
13
import com.vladsch.flexmark.html.HtmlRenderer;
14
import com.vladsch.flexmark.parser.Parser;
15
import com.vladsch.flexmark.util.ast.IParse;
16
import com.vladsch.flexmark.util.ast.IRender;
17
import com.vladsch.flexmark.util.ast.Node;
18
import com.vladsch.flexmark.util.misc.Extension;
19
20
import java.util.ArrayList;
21
import java.util.List;
22
23
/**
24
 * Responsible for parsing and rendering Markdown into HTML. This is required
25
 * to break a circular dependency between the {@link MarkdownProcessor} and
26
 * {@link RExtension}.
27
 */
28
public class BaseMarkdownProcessor extends ExecutorProcessor<String> {
29
30
  private final IParse mParser;
31
  private final IRender mRenderer;
32
33
  public BaseMarkdownProcessor(
34
    final Processor<String> successor, final ProcessorContext context ) {
35
    super( successor );
36
37
    final var extensions = createExtensions( context );
38
39
    mParser = Parser.builder().extensions( extensions ).build();
40
    mRenderer = HtmlRenderer.builder().extensions( extensions ).build();
41
  }
42
43
  /**
44
   * Instantiates a number of extensions to be applied when parsing. These
45
   * are typically typographic extensions that convert characters into
46
   * HTML entities.
47
   *
48
   * @param context The context that subclasses use to configure custom
49
   *                extension behaviour.
50
   * @return A {@link List} of {@link Extension} instances that change the
51
   * {@link Parser}'s behaviour.
52
   */
53
  List<Extension> createExtensions( final ProcessorContext context ) {
54
    final var extensions = new ArrayList<Extension>();
55
56
    extensions.add( DefinitionExtension.create() );
57
    extensions.add( StrikethroughSubscriptExtension.create() );
58
    extensions.add( SuperscriptExtension.create() );
59
    extensions.add( TablesExtension.create() );
60
    extensions.add( TypographicExtension.create() );
61
62
    return extensions;
63
  }
64
65
  /**
66
   * Converts the given Markdown string into HTML, without the doctype, html,
67
   * head, and body tags.
68
   *
69
   * @param markdown The string to convert from Markdown to HTML.
70
   * @return The HTML representation of the Markdown document.
71
   */
72
  @Override
73
  public String apply( final String markdown ) {
74
    return toHtml( parse( markdown ) );
75
  }
76
77
  /**
78
   * Returns the AST in the form of a node for the given Markdown document. This
79
   * can be used, for example, to determine if a hyperlink exists inside of a
80
   * paragraph.
81
   *
82
   * @param markdown The Markdown to convert into an AST.
83
   * @return The Markdown AST for the given text (usually a paragraph).
84
   */
85
  public Node toNode( final String markdown ) {
86
    return parse( markdown );
87
  }
88
89
  /**
90
   * Returns the result of converting the given AST into an HTML string.
91
   *
92
   * @param node The AST {@link Node} to convert to an HTML string.
93
   * @return The given {@link Node} as an HTML string.
94
   */
95
  public String toHtml( final Node node ) {
96
    return getRenderer().render( node );
97
  }
98
99
  /**
100
   * Helper method to create an AST given some Markdown.
101
   *
102
   * @param markdown The Markdown to parse.
103
   * @return The root node of the Markdown tree.
104
   */
105
  private Node parse( final String markdown ) {
106
    return getParser().parse( markdown );
107
  }
108
109
  /**
110
   * Creates the Markdown document processor.
111
   *
112
   * @return An instance of {@link IParse} for building abstract syntax trees.
113
   */
114
  private IParse getParser() {
115
    return mParser;
116
  }
117
118
  private IRender getRenderer() {
119
    return mRenderer;
120
  }
121
}
1122
A src/main/java/com/keenwrite/processors/markdown/MarkdownProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown;
3
4
import com.keenwrite.io.MediaType;
5
import com.keenwrite.processors.DefinitionProcessor;
6
import com.keenwrite.processors.Processor;
7
import com.keenwrite.processors.ProcessorContext;
8
import com.keenwrite.processors.markdown.extensions.*;
9
import com.keenwrite.processors.markdown.extensions.r.RExtension;
10
import com.keenwrite.processors.markdown.extensions.tex.TeXExtension;
11
import com.keenwrite.processors.r.RProcessor;
12
import com.vladsch.flexmark.util.misc.Extension;
13
14
import java.util.ArrayList;
15
import java.util.List;
16
17
import static com.keenwrite.io.MediaType.TEXT_R_MARKDOWN;
18
import static com.keenwrite.io.MediaType.TEXT_R_XML;
19
import static com.keenwrite.processors.IdentityProcessor.IDENTITY;
20
21
/**
22
 * Responsible for parsing a Markdown document and rendering it as HTML.
23
 */
24
public final class MarkdownProcessor extends BaseMarkdownProcessor {
25
26
  private MarkdownProcessor(
27
    final Processor<String> successor, final ProcessorContext context ) {
28
    super( successor, context );
29
  }
30
31
  public static MarkdownProcessor create( final ProcessorContext context ) {
32
    return create( IDENTITY, context );
33
  }
34
35
  public static MarkdownProcessor create(
36
    final Processor<String> successor, final ProcessorContext context ) {
37
    return new MarkdownProcessor( successor, context );
38
  }
39
40
  /**
41
   * Creating extensions based using an instance of {@link ProcessorContext}
42
   * indicates that the {@link CaretExtension} should be used to inject the
43
   * caret position into the final HTML document. This enables the HTML
44
   * preview pane to scroll to the same position, relatively speaking, within
45
   * the main document. Scrolling is developed this way to decouple the
46
   * document being edited from the preview pane so that multiple document
47
   * formats can be edited.
48
   *
49
   * @param context Contains necessary information needed to create
50
   *                extensions used by the Markdown parser.
51
   * @return {@link List} of extensions invoked when parsing Markdown.
52
   */
53
  @Override
54
  List<Extension> createExtensions( final ProcessorContext context ) {
55
    final var editorFile = context.getDocumentPath();
56
    final var mediaType = MediaType.valueFrom( editorFile );
57
    final Processor<String> processor;
58
    final List<Extension> extensions = new ArrayList<>();
59
60
    if( mediaType == TEXT_R_MARKDOWN || mediaType == TEXT_R_XML ) {
61
      final var rProcessor = new RProcessor( context );
62
      extensions.add( RExtension.create( rProcessor, context ) );
63
      processor = rProcessor;
64
    }
65
    else {
66
      processor = new DefinitionProcessor( IDENTITY, context );
67
    }
68
69
    // Add typographic, table, strikethrough, and similar extensions.
70
    extensions.addAll( super.createExtensions( context ) );
71
72
    extensions.add( ImageLinkExtension.create( context ) );
73
    extensions.add( TeXExtension.create( processor, context ) );
74
    extensions.add( FencedBlockExtension.create( processor ) );
75
    extensions.add( CaretExtension.create( context ) );
76
    extensions.add( DocumentOutlineExtension.create( processor ) );
77
    return extensions;
78
  }
79
}
180
A src/main/java/com/keenwrite/processors/markdown/extensions/CaretExtension.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions;
3
4
import com.keenwrite.Caret;
5
import com.keenwrite.Constants;
6
import com.keenwrite.processors.ProcessorContext;
7
import com.vladsch.flexmark.ext.tables.TableBlock;
8
import com.vladsch.flexmark.html.AttributeProvider;
9
import com.vladsch.flexmark.html.AttributeProviderFactory;
10
import com.vladsch.flexmark.html.IndependentAttributeProviderFactory;
11
import com.vladsch.flexmark.html.renderer.AttributablePart;
12
import com.vladsch.flexmark.html.renderer.LinkResolverContext;
13
import com.vladsch.flexmark.util.ast.Node;
14
import com.vladsch.flexmark.util.html.AttributeImpl;
15
import com.vladsch.flexmark.util.html.MutableAttributes;
16
import org.jetbrains.annotations.NotNull;
17
18
import static com.keenwrite.Constants.CARET_ID;
19
import static com.keenwrite.processors.markdown.extensions.EmptyNode.EMPTY_NODE;
20
import static com.vladsch.flexmark.html.HtmlRenderer.Builder;
21
22
/**
23
 * Responsible for giving most block-level elements a unique identifier
24
 * attribute. The identifier is used to coordinate scrolling.
25
 */
26
public class CaretExtension extends HtmlRendererAdapter {
27
28
  private final Caret mCaret;
29
30
  private CaretExtension( final ProcessorContext context ) {
31
    mCaret = context.getCaret();
32
  }
33
34
  public static CaretExtension create( final ProcessorContext context ) {
35
    return new CaretExtension( context );
36
  }
37
38
  @Override
39
  public void extend(
40
    final Builder builder, @NotNull final String rendererType ) {
41
    builder.attributeProviderFactory(
42
      IdAttributeProvider.createFactory( mCaret ) );
43
  }
44
45
  /**
46
   * Responsible for creating the id attribute. This class is instantiated
47
   * once: for the HTML element containing the {@link Constants#CARET_ID}.
48
   */
49
  public static class IdAttributeProvider implements AttributeProvider {
50
    private final Caret mCaret;
51
    private boolean mAdded;
52
53
    public IdAttributeProvider( final Caret caret ) {
54
      mCaret = caret;
55
    }
56
57
    private static AttributeProviderFactory createFactory( final Caret caret ) {
58
      return new IndependentAttributeProviderFactory() {
59
        @Override
60
        public @NotNull AttributeProvider apply(
61
          @NotNull final LinkResolverContext context ) {
62
          return new IdAttributeProvider( caret );
63
        }
64
      };
65
    }
66
67
    @Override
68
    public void setAttributes( @NotNull Node curr,
69
                               @NotNull AttributablePart part,
70
                               @NotNull MutableAttributes attributes ) {
71
      // Optimization: if a caret is inserted, don't try to find another.
72
      if( mAdded ) {
73
        return;
74
      }
75
76
      // If a table block has been earmarked with an empty node, it means
77
      // another extension has generated code from an external source. The
78
      // Markdown processor won't be able to determine the caret position
79
      // with any semblance of accuracy, so skip the element. This usually
80
      // happens with tables, but in theory any Markdown generated from an
81
      // external source (e.g., an R script) could produce text that has no
82
      // caret position that can be calculated.
83
      var table = curr;
84
85
      if( !(curr instanceof TableBlock) ) {
86
        table = curr.getAncestorOfType( TableBlock.class );
87
      }
88
89
      // The table was generated outside the document
90
      if( table != null && table.getLastChild() == EMPTY_NODE ) {
91
        return;
92
      }
93
94
      final var outside = mCaret.isAfterText() ? 1 : 0;
95
      final var began = curr.getStartOffset();
96
      final var ended = curr.getEndOffset() + outside;
97
      final var prev = curr.getPrevious();
98
99
      // If the caret is within the bounds of the current node or the
100
      // caret is within the bounds of the end of the previous node and
101
      // the start of the current node, then mark the current node with
102
      // a caret indicator.
103
      if( mCaret.isBetweenText( began, ended ) ||
104
        prev != null && mCaret.isBetweenText( prev.getEndOffset(), began ) ) {
105
        // This line empowers synchronizing the text editor with the preview.
106
        attributes.addValue( AttributeImpl.of( "id", CARET_ID ) );
107
108
        // We're done until the user moves the caret (micro-optimization)
109
        mAdded = true;
110
      }
111
    }
112
  }
113
}
1114
A src/main/java/com/keenwrite/processors/markdown/extensions/DocumentOutlineExtension.java
1
package com.keenwrite.processors.markdown.extensions;
2
3
import com.keenwrite.processors.Processor;
4
import com.vladsch.flexmark.ast.Heading;
5
import com.vladsch.flexmark.parser.Parser.Builder;
6
import com.vladsch.flexmark.parser.Parser.ParserExtension;
7
import com.vladsch.flexmark.parser.block.NodePostProcessor;
8
import com.vladsch.flexmark.parser.block.NodePostProcessorFactory;
9
import com.vladsch.flexmark.util.ast.Document;
10
import com.vladsch.flexmark.util.ast.Node;
11
import com.vladsch.flexmark.util.ast.NodeTracker;
12
import com.vladsch.flexmark.util.data.MutableDataHolder;
13
import org.jetbrains.annotations.NotNull;
14
15
import java.util.regex.Pattern;
16
17
import static com.keenwrite.events.ParseHeadingEvent.fireNewHeadingEvent;
18
import static com.keenwrite.events.ParseHeadingEvent.fireNewOutlineEvent;
19
20
public final class DocumentOutlineExtension implements ParserExtension {
21
  private static final Pattern sRegex = Pattern.compile( "^(#+)" );
22
23
  private final Processor<String> mProcessor;
24
25
  private DocumentOutlineExtension( final Processor<String> processor ) {
26
    mProcessor = processor;
27
  }
28
29
  @Override
30
  public void parserOptions( final MutableDataHolder options ) {}
31
32
  @Override
33
  public void extend( final Builder builder ) {
34
    builder.postProcessorFactory( new Factory() );
35
  }
36
37
  public static DocumentOutlineExtension create(
38
    final Processor<String> processor ) {
39
    return new DocumentOutlineExtension( processor );
40
  }
41
42
  private class HeadingNodePostProcessor extends NodePostProcessor {
43
    @Override
44
    public void process(
45
      @NotNull final NodeTracker state, @NotNull final Node node ) {
46
      final var heading = mProcessor.apply( node.getChars().toString() );
47
      final var matcher = sRegex.matcher( heading );
48
49
      if( matcher.find() ) {
50
        final var level = matcher.group().length();
51
        final var text = heading.substring( level );
52
        final var offset = node.getStartOffset();
53
        fireNewHeadingEvent( level, text, offset );
54
      }
55
    }
56
  }
57
58
  public class Factory extends NodePostProcessorFactory {
59
    public Factory() {
60
      super( false );
61
      addNodes( Heading.class );
62
    }
63
64
    @NotNull
65
    @Override
66
    public NodePostProcessor apply( @NotNull final Document document ) {
67
      fireNewOutlineEvent();
68
      return new HeadingNodePostProcessor();
69
    }
70
  }
71
}
172
A src/main/java/com/keenwrite/processors/markdown/extensions/EmptyNode.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions;
3
4
import com.vladsch.flexmark.util.ast.Node;
5
import com.vladsch.flexmark.util.sequence.BasedSequence;
6
import org.jetbrains.annotations.NotNull;
7
8
/**
9
 * The singleton is injected into the abstract syntax tree to mark an instance
10
 * of {@link Node} such that it must not be processed normally. Using a wrapper
11
 * for a given {@link Node} cannot work because the class type is used by
12
 * the parsing library for processing.
13
 */
14
public final class EmptyNode extends Node {
15
  public static final Node EMPTY_NODE = new EmptyNode();
16
17
  private static final BasedSequence[] BASE_SEQ = new BasedSequence[ 0 ];
18
19
  private EmptyNode() {
20
  }
21
22
  @Override
23
  public @NotNull BasedSequence[] getSegments() {
24
    return BASE_SEQ;
25
  }
26
}
127
A src/main/java/com/keenwrite/processors/markdown/extensions/FencedBlockExtension.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions;
3
4
import com.keenwrite.processors.DefinitionProcessor;
5
import com.keenwrite.processors.Processor;
6
import com.keenwrite.processors.markdown.MarkdownProcessor;
7
import com.vladsch.flexmark.ast.FencedCodeBlock;
8
import com.vladsch.flexmark.html.renderer.DelegatingNodeRendererFactory;
9
import com.vladsch.flexmark.html.renderer.NodeRenderer;
10
import com.vladsch.flexmark.html.renderer.NodeRenderingHandler;
11
import com.vladsch.flexmark.util.data.DataHolder;
12
import com.vladsch.flexmark.util.sequence.BasedSequence;
13
import org.jetbrains.annotations.NotNull;
14
15
import java.io.ByteArrayOutputStream;
16
import java.util.HashSet;
17
import java.util.Set;
18
import java.util.zip.Deflater;
19
20
import static com.keenwrite.Constants.DIAGRAM_SERVER_NAME;
21
import static com.keenwrite.events.StatusEvent.clue;
22
import static com.vladsch.flexmark.html.HtmlRenderer.Builder;
23
import static com.vladsch.flexmark.html.renderer.LinkType.LINK;
24
import static java.lang.String.format;
25
import static java.util.Base64.getUrlEncoder;
26
import static java.util.zip.Deflater.BEST_COMPRESSION;
27
import static java.util.zip.Deflater.FULL_FLUSH;
28
29
/**
30
 * Responsible for converting textual diagram descriptions into HTML image
31
 * elements.
32
 */
33
public class FencedBlockExtension extends HtmlRendererAdapter {
34
  private final static String DIAGRAM_STYLE = "diagram-";
35
  private final static int DIAGRAM_STYLE_LEN = DIAGRAM_STYLE.length();
36
37
  private final Processor<String> mProcessor;
38
39
  public FencedBlockExtension( final Processor<String> processor ) {
40
    assert processor != null;
41
    mProcessor = processor;
42
  }
43
44
  /**
45
   * Creates a new parser for fenced blocks. This calls out to a web service
46
   * to generate SVG files of text diagrams.
47
   * <p>
48
   * Internally, this creates a {@link DefinitionProcessor} to substitute
49
   * variable definitions. This is necessary because the order of processors
50
   * matters. If the {@link DefinitionProcessor} comes before an instance of
51
   * {@link MarkdownProcessor}, for example, then the caret position in the
52
   * preview pane will not align with the caret position in the editor
53
   * pane. The {@link MarkdownProcessor} must come before all else. However,
54
   * when parsing fenced blocks, the variables within the block must be
55
   * interpolated before being sent to the diagram web service.
56
   * </p>
57
   *
58
   * @param processor Used to pre-process the text.
59
   * @return A new {@link FencedBlockExtension} capable of shunting ASCII
60
   * diagrams to a service for conversion to SVG.
61
   */
62
  public static FencedBlockExtension create(
63
    final Processor<String> processor ) {
64
    return new FencedBlockExtension( processor );
65
  }
66
67
  @Override
68
  public void extend(
69
    @NotNull final Builder builder, @NotNull final String rendererType ) {
70
    builder.nodeRendererFactory( new Factory() );
71
  }
72
73
  /**
74
   * Converts the given {@link BasedSequence} to a lowercase value.
75
   *
76
   * @param text The character string to convert to lowercase.
77
   * @return The lowercase text value, or the empty string for no text.
78
   */
79
  private static String sanitize( final BasedSequence text ) {
80
    assert text != null;
81
    return text.toString().toLowerCase();
82
  }
83
84
  private class CustomRenderer implements NodeRenderer {
85
86
    @Override
87
    public Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
88
      final var set = new HashSet<NodeRenderingHandler<?>>();
89
90
      set.add( new NodeRenderingHandler<>(
91
        FencedCodeBlock.class, ( node, context, html ) -> {
92
        final var style = sanitize( node.getInfo() );
93
94
        if( style.startsWith( DIAGRAM_STYLE ) ) {
95
          final var type = style.substring( DIAGRAM_STYLE_LEN );
96
          final var content = node.getContentChars().normalizeEOL();
97
          final var text = mProcessor.apply( content );
98
          final var encoded = encode( text );
99
          final var source = format(
100
            "https://%s/%s/svg/%s", DIAGRAM_SERVER_NAME, type, encoded );
101
102
          final var link = context.resolveLink( LINK, source, false );
103
104
          html.attr( "src", source );
105
          html.withAttr( link );
106
          html.tagVoid( "img" );
107
        }
108
        else {
109
          context.delegateRender();
110
        }
111
      } ) );
112
113
      return set;
114
    }
115
116
    private byte[] compress( byte[] source ) {
117
      final var inLen = source.length;
118
      final var result = new byte[ inLen ];
119
      final var compressor = new Deflater( BEST_COMPRESSION );
120
121
      compressor.setInput( source, 0, inLen );
122
      compressor.finish();
123
      final var outLen = compressor.deflate( result, 0, inLen, FULL_FLUSH );
124
      compressor.end();
125
126
      try( final var out = new ByteArrayOutputStream() ) {
127
        out.write( result, 0, outLen );
128
        return out.toByteArray();
129
      } catch( final Exception ex ) {
130
        clue( ex );
131
        throw new RuntimeException( ex );
132
      }
133
    }
134
135
    private String encode( final String decoded ) {
136
      return getUrlEncoder().encodeToString( compress( decoded.getBytes() ) );
137
    }
138
  }
139
140
  private class Factory implements DelegatingNodeRendererFactory {
141
    public Factory() {}
142
143
    @NotNull
144
    @Override
145
    public NodeRenderer apply( @NotNull final DataHolder options ) {
146
      return new CustomRenderer();
147
    }
148
149
    /**
150
     * Return {@code null} to indicate this may delegate to the core renderer.
151
     */
152
    @Override
153
    public Set<Class<?>> getDelegates() {
154
      return null;
155
    }
156
  }
157
}
1158
A src/main/java/com/keenwrite/processors/markdown/extensions/HtmlRendererAdapter.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions;
3
4
import com.vladsch.flexmark.util.data.MutableDataHolder;
5
import org.jetbrains.annotations.NotNull;
6
7
import static com.vladsch.flexmark.html.HtmlRenderer.HtmlRendererExtension;
8
9
/**
10
 * Hides the {@link #rendererOptions(MutableDataHolder)} from subclasses
11
 * that would otherwise implement the {@link HtmlRendererExtension} interface.
12
 */
13
public abstract class HtmlRendererAdapter implements HtmlRendererExtension {
14
  /**
15
   * Empty, unused.
16
   *
17
   * @param options Ignored.
18
   */
19
  @Override
20
  public void rendererOptions( @NotNull final MutableDataHolder options ) {
21
  }
22
}
123
A src/main/java/com/keenwrite/processors/markdown/extensions/ImageLinkExtension.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions;
3
4
import com.keenwrite.ExportFormat;
5
import com.keenwrite.exceptions.MissingFileException;
6
import com.keenwrite.preferences.Workspace;
7
import com.keenwrite.processors.ProcessorContext;
8
import com.vladsch.flexmark.ast.Image;
9
import com.vladsch.flexmark.html.IndependentLinkResolverFactory;
10
import com.vladsch.flexmark.html.LinkResolver;
11
import com.vladsch.flexmark.html.renderer.LinkResolverBasicContext;
12
import com.vladsch.flexmark.html.renderer.ResolvedLink;
13
import com.vladsch.flexmark.util.ast.Node;
14
import org.jetbrains.annotations.NotNull;
15
16
import java.io.File;
17
import java.nio.file.Path;
18
19
import static com.keenwrite.ExportFormat.NONE;
20
import static com.keenwrite.events.StatusEvent.clue;
21
import static com.keenwrite.preferences.WorkspaceKeys.KEY_IMAGES_DIR;
22
import static com.keenwrite.preferences.WorkspaceKeys.KEY_IMAGES_ORDER;
23
import static com.keenwrite.util.ProtocolScheme.getProtocol;
24
import static com.vladsch.flexmark.html.HtmlRenderer.Builder;
25
import static com.vladsch.flexmark.html.renderer.LinkStatus.VALID;
26
import static org.renjin.repackaged.guava.base.Splitter.on;
27
28
/**
29
 * Responsible for ensuring that images can be rendered relative to a path.
30
 * This allows images to be located virtually anywhere.
31
 */
32
public class ImageLinkExtension extends HtmlRendererAdapter {
33
34
  private final Path mBaseDir;
35
  private final Workspace mWorkspace;
36
  private final ExportFormat mExportFormat;
37
38
  private ImageLinkExtension(
39
    @NotNull final ProcessorContext context ) {
40
    mBaseDir = context.getBaseDir();
41
    mWorkspace = context.getWorkspace();
42
    mExportFormat = context.getExportFormat();
43
  }
44
45
  /**
46
   * Creates an extension capable of using a relative path to embed images.
47
   *
48
   * @param context Contains the base directory to search in for images.
49
   * @return The new {@link ImageLinkExtension}, not {@code null}.
50
   */
51
  public static ImageLinkExtension create(
52
    @NotNull final ProcessorContext context ) {
53
    return new ImageLinkExtension( context );
54
  }
55
56
  @Override
57
  public void extend(
58
    @NotNull final Builder builder, @NotNull final String rendererType ) {
59
    builder.linkResolverFactory( new ResolverFactory() );
60
  }
61
62
  private final class ResolverFactory extends IndependentLinkResolverFactory {
63
    @Override
64
    public @NotNull LinkResolver apply(
65
      @NotNull final LinkResolverBasicContext context ) {
66
      return new ImageLinkResolver();
67
    }
68
  }
69
70
  private class ImageLinkResolver implements LinkResolver {
71
    public ImageLinkResolver() {
72
    }
73
74
    @NotNull
75
    @Override
76
    public ResolvedLink resolveLink(
77
      @NotNull final Node node,
78
      @NotNull final LinkResolverBasicContext context,
79
      @NotNull final ResolvedLink link ) {
80
      return node instanceof Image ? forImage( link ) : link;
81
    }
82
83
    /**
84
     * Algorithm:
85
     * <ol>
86
     *   <li>Accept remote URLs as valid links.</li>
87
     *   <li>Accept existing readable files as valid links.</li>
88
     *   <li>Accept non-{@link ExportFormat#NONE} exports as valid links.</li>
89
     *   <li>Append the images dir to the edited file's dir (baseDir).</li>
90
     *   <li>Search for images by extension.</li>
91
     * </ol>
92
     *
93
     * @param link The link URL to resolve.
94
     * @return The {@link ResolvedLink} instance used to render the link.
95
     */
96
    private ResolvedLink forImage( final ResolvedLink link ) {
97
      var uri = link.getUrl();
98
      final var protocol = getProtocol( uri );
99
100
      if( protocol.isRemote() ) {
101
        return valid( link, uri );
102
      }
103
104
      final var baseDir = getBaseDir();
105
106
      // Determine the fully-qualified file name (fqfn).
107
      final var fqfn = Path.of( baseDir.toString(), uri ).toFile();
108
109
      if( fqfn.isFile() && fqfn.canRead() ) {
110
        return valid( link, uri );
111
      }
112
113
      if( mExportFormat != NONE ) {
114
        return valid( link, uri );
115
      }
116
117
      try {
118
        // Compute the path to the image file. The base directory should
119
        // be an absolute path to the file being edited, without an extension.
120
        final var imagesDir = getUserImagesDir();
121
        final var relativeDir = imagesDir.toString().isEmpty()
122
          ? imagesDir : baseDir.relativize( imagesDir );
123
        final var imageFile = Path.of(
124
          baseDir.toString(), relativeDir.toString(), uri );
125
126
        for( final var ext : getImageExtensions() ) {
127
          var file = new File( imageFile.toString() + '.' + ext );
128
129
          if( file.exists() && file.canRead() ) {
130
            uri = file.toURI().toString();
131
            return valid( link, uri );
132
          }
133
        }
134
135
        throw new MissingFileException( imageFile + ".*" );
136
      } catch( final Exception ex ) {
137
        clue( ex );
138
      }
139
140
      return link;
141
    }
142
143
    private ResolvedLink valid( final ResolvedLink link, final String url ) {
144
      return link.withStatus( VALID ).withUrl( url );
145
    }
146
147
    private Path getUserImagesDir() {
148
      return mWorkspace.toFile( KEY_IMAGES_DIR ).toPath();
149
    }
150
151
    private Iterable<String> getImageExtensions() {
152
      return on( ' ' ).split( mWorkspace.toString( KEY_IMAGES_ORDER ) );
153
    }
154
155
    private Path getBaseDir() {
156
      return mBaseDir;
157
    }
158
  }
159
}
1160
A src/main/java/com/keenwrite/processors/markdown/extensions/r/RExtension.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions.r;
3
4
import com.keenwrite.processors.Processor;
5
import com.keenwrite.processors.ProcessorContext;
6
import com.keenwrite.processors.markdown.BaseMarkdownProcessor;
7
import com.keenwrite.processors.r.InlineRProcessor;
8
import com.keenwrite.processors.r.RProcessor;
9
import com.keenwrite.sigils.RSigilOperator;
10
import com.vladsch.flexmark.ast.Paragraph;
11
import com.vladsch.flexmark.ast.Text;
12
import com.vladsch.flexmark.parser.InlineParserExtensionFactory;
13
import com.vladsch.flexmark.parser.InlineParserFactory;
14
import com.vladsch.flexmark.parser.delimiter.DelimiterProcessor;
15
import com.vladsch.flexmark.parser.internal.InlineParserImpl;
16
import com.vladsch.flexmark.parser.internal.LinkRefProcessorData;
17
import com.vladsch.flexmark.util.data.DataHolder;
18
import com.vladsch.flexmark.util.data.MutableDataHolder;
19
20
import java.util.BitSet;
21
import java.util.List;
22
import java.util.Map;
23
24
import static com.keenwrite.processors.IdentityProcessor.IDENTITY;
25
import static com.keenwrite.processors.markdown.extensions.EmptyNode.EMPTY_NODE;
26
import static com.vladsch.flexmark.parser.Parser.Builder;
27
import static com.vladsch.flexmark.parser.Parser.ParserExtension;
28
29
/**
30
 * Responsible for processing inline R statements (denoted using the
31
 * {@link RSigilOperator#PREFIX}) to prevent them from being converted to
32
 * HTML {@code <code>} elements and stop them from interfering with TeX
33
 * statements. Note that TeX statements are processed using a Markdown
34
 * extension, rather than an implementation of {@link Processor}. For this
35
 * reason, some pre-conversion is necessary.
36
 */
37
public final class RExtension implements ParserExtension {
38
  private final InlineParserFactory INLINE_FACTORY = InlineParser::new;
39
  private final RProcessor mProcessor;
40
  private final BaseMarkdownProcessor mMarkdownProcessor;
41
42
  private RExtension(
43
    final RProcessor processor, final ProcessorContext context ) {
44
    mProcessor = processor;
45
    mMarkdownProcessor = new BaseMarkdownProcessor( IDENTITY, context );
46
  }
47
48
  /**
49
   * Creates an extension capable of intercepting R code blocks and preventing
50
   * them from being converted into HTML {@code <code>} elements.
51
   */
52
  public static RExtension create(
53
    final RProcessor processor, final ProcessorContext context ) {
54
    return new RExtension( processor, context );
55
  }
56
57
  @Override
58
  public void extend( final Builder builder ) {
59
    builder.customInlineParserFactory( INLINE_FACTORY );
60
  }
61
62
  @Override
63
  public void parserOptions( final MutableDataHolder options ) {
64
  }
65
66
  /**
67
   * Prevents rendering {@code `r} statements as inline HTML {@code <code>}
68
   * blocks, which allows the {@link InlineRProcessor} to post-process the
69
   * text prior to display in the preview pane. This intervention assists
70
   * with decoupling the caret from the Markdown content so that the two
71
   * can vary independently in the architecture while permitting synchronization
72
   * of the editor and preview pane.
73
   * <p>
74
   * The text is therefore processed twice: once by flexmark-java and once by
75
   * {@link InlineRProcessor}.
76
   * </p>
77
   */
78
  private class InlineParser extends InlineParserImpl {
79
    private InlineParser(
80
      final DataHolder options,
81
      final BitSet specialCharacters,
82
      final BitSet delimiterCharacters,
83
      final Map<Character, DelimiterProcessor> delimiterProcessors,
84
      final LinkRefProcessorData referenceLinkProcessors,
85
      final List<InlineParserExtensionFactory> inlineParserExtensions ) {
86
      super( options,
87
             specialCharacters,
88
             delimiterCharacters,
89
             delimiterProcessors,
90
             referenceLinkProcessors,
91
             inlineParserExtensions );
92
      mProcessor.init();
93
    }
94
95
    /**
96
     * The superclass handles a number backtick parsing edge cases; this method
97
     * changes the behaviour to retain R code snippets, identified by
98
     * {@link RSigilOperator#PREFIX}, so that subsequent processing can
99
     * invoke R. If other languages are added, the {@link InlineParser} will
100
     * have to be rewritten to identify more than merely R.
101
     *
102
     * @return The return value from {@link super#parseBackticks()}.
103
     * @inheritDoc
104
     */
105
    @Override
106
    protected final boolean parseBackticks() {
107
      final var foundTicks = super.parseBackticks();
108
109
      if( foundTicks && mProcessor.isReady() ) {
110
        final var blockNode = getBlock();
111
        final var codeNode = blockNode.getLastChild();
112
113
        if( codeNode != null ) {
114
          final var code = codeNode.getChars().toString();
115
116
          if( code.startsWith( RSigilOperator.PREFIX ) ) {
117
            codeNode.unlink();
118
            final var rText = mProcessor.apply( code );
119
            var node = mMarkdownProcessor.toNode( rText );
120
121
            if( node.getFirstChild() instanceof Paragraph ) {
122
              node = new Text( rText );
123
            }
124
            else {
125
              node = node.getFirstChild();
126
127
              if( node != null ) {
128
                // Mark the node as being generated code, such as text returned
129
                // from an R function.
130
                node.appendChild( EMPTY_NODE );
131
              }
132
            }
133
134
            blockNode.appendChild( node );
135
          }
136
        }
137
      }
138
139
      return foundTicks;
140
    }
141
  }
142
}
1143
A src/main/java/com/keenwrite/processors/markdown/extensions/r/ROutputProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions.r;
3
4
import com.keenwrite.processors.ExecutorProcessor;
5
import com.keenwrite.processors.r.InlineRProcessor;
6
import com.keenwrite.processors.markdown.MarkdownProcessor;
7
import com.keenwrite.processors.markdown.extensions.tex.TeXExtension;
8
import com.vladsch.flexmark.ast.Paragraph;
9
import com.vladsch.flexmark.ast.Text;
10
import com.vladsch.flexmark.html.HtmlRenderer;
11
import com.vladsch.flexmark.parser.Parser;
12
import com.vladsch.flexmark.util.ast.IParse;
13
import com.vladsch.flexmark.util.ast.IRender;
14
15
/**
16
 * Responsible for parsing the output from an R eval statement. This class
17
 * is used to avoid an circular dependency whereby the {@link InlineRProcessor}
18
 * must treat the output from an R function call as Markdown, which would
19
 * otherwise require a {@link MarkdownProcessor} instance; however, the
20
 * {@link MarkdownProcessor} class gives precedence to its extensions, which
21
 * means the {@link TeXExtension} will be executed <em>before</em> the
22
 * {@link InlineRProcessor}, thereby being exposed to backticks in a TeX
23
 * macro---a syntax error. To break the cycle, the {@link InlineRProcessor}
24
 * uses this class instead of {@link MarkdownProcessor}.
25
 */
26
public class ROutputProcessor extends ExecutorProcessor<String> {
27
  private final IParse mParser = Parser.builder().build();
28
  private final IRender mRenderer = HtmlRenderer.builder().build();
29
30
  @Override
31
  public String apply( final String markdown ) {
32
    var node = mParser.parse( markdown ).getFirstChild();
33
34
    if( node == null ) {
35
      node = new Text();
36
    }
37
    else if( node.isOrDescendantOfType( Paragraph.class ) ) {
38
      node = new Text( node.getChars() );
39
    }
40
41
    // Trimming prevents displaced commas and unwanted newlines.
42
    return mRenderer.render( node ).trim();
43
  }
44
}
145
A src/main/java/com/keenwrite/processors/markdown/extensions/tex/TeXExtension.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions.tex;
3
4
import com.keenwrite.ExportFormat;
5
import com.keenwrite.processors.Processor;
6
import com.keenwrite.processors.ProcessorContext;
7
import com.keenwrite.processors.markdown.extensions.HtmlRendererAdapter;
8
import com.keenwrite.processors.markdown.extensions.tex.TexNodeRenderer.Factory;
9
import com.vladsch.flexmark.html.HtmlRenderer;
10
import com.vladsch.flexmark.parser.Parser;
11
import com.vladsch.flexmark.util.data.MutableDataHolder;
12
import org.jetbrains.annotations.NotNull;
13
14
import static com.vladsch.flexmark.parser.Parser.ParserExtension;
15
16
/**
17
 * Responsible for wrapping delimited TeX code in Markdown into an XML element
18
 * that the HTML renderer can handle. For example, {@code $E=mc^2$} becomes
19
 * {@code <tex>E=mc^2</tex>} when passed to HTML renderer. The HTML renderer
20
 * is responsible for converting the TeX code for display. This avoids inserting
21
 * SVG code into the Markdown document, which the parser would then have to
22
 * iterate---a <em>very</em> wasteful operation that impacts front-end
23
 * performance.
24
 */
25
public class TeXExtension extends HtmlRendererAdapter
26
  implements ParserExtension {
27
28
  /**
29
   * Responsible for pre-parsing the input.
30
   */
31
  private final Processor<String> mProcessor;
32
33
  /**
34
   * Controls how the node renderer produces TeX code within HTML output.
35
   */
36
  private final ExportFormat mExportFormat;
37
38
  private TeXExtension(
39
    final Processor<String> processor, final ProcessorContext context  ) {
40
    mProcessor = processor;
41
    mExportFormat = context.getExportFormat();
42
  }
43
44
  /**
45
   * Creates an extension capable of handling delimited TeX code in Markdown.
46
   *
47
   * @return The new {@link TeXExtension}, never {@code null}.
48
   */
49
  public static TeXExtension create(
50
    final Processor<String> processor, final ProcessorContext context  ) {
51
    return new TeXExtension( processor, context );
52
  }
53
54
  /**
55
   * Adds the TeX extension for HTML document export types.
56
   *
57
   * @param builder      The document builder.
58
   * @param rendererType Indicates the document type to be built.
59
   */
60
  @Override
61
  public void extend( @NotNull final HtmlRenderer.Builder builder,
62
                      @NotNull final String rendererType ) {
63
    if( "HTML".equalsIgnoreCase( rendererType ) ) {
64
      builder.nodeRendererFactory( new Factory( mExportFormat, mProcessor ) );
65
    }
66
  }
67
68
  @Override
69
  public void extend( final Parser.Builder builder ) {
70
    builder.customDelimiterProcessor( new TeXInlineDelimiterProcessor() );
71
  }
72
73
  @Override
74
  public void parserOptions( final MutableDataHolder options ) {
75
  }
76
}
177
A src/main/java/com/keenwrite/processors/markdown/extensions/tex/TeXInlineDelimiterProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions.tex;
3
4
import com.vladsch.flexmark.parser.InlineParser;
5
import com.vladsch.flexmark.parser.core.delimiter.Delimiter;
6
import com.vladsch.flexmark.parser.delimiter.DelimiterProcessor;
7
import com.vladsch.flexmark.parser.delimiter.DelimiterRun;
8
import com.vladsch.flexmark.util.ast.Node;
9
10
public class TeXInlineDelimiterProcessor implements DelimiterProcessor {
11
12
  @Override
13
  public void process( final Delimiter opener,
14
                       final Delimiter closer,
15
                       final int delimitersUsed ) {
16
    final var node = new TexNode();
17
    opener.moveNodesBetweenDelimitersTo( node, closer );
18
  }
19
20
  @Override
21
  public char getOpeningCharacter() {
22
    return '$';
23
  }
24
25
  @Override
26
  public char getClosingCharacter() {
27
    return '$';
28
  }
29
30
  @Override
31
  public int getMinLength() {
32
    return 1;
33
  }
34
35
  /**
36
   * Allow for $ or $$.
37
   *
38
   * @param opener One or more opening delimiter characters.
39
   * @param closer One or more closing delimiter characters.
40
   * @return The number of delimiters to use to determine whether a valid
41
   * opening delimiter expression is found.
42
   */
43
  @Override
44
  public int getDelimiterUse(
45
      final DelimiterRun opener, final DelimiterRun closer ) {
46
    return 1;
47
  }
48
49
  @Override
50
  public boolean canBeOpener( final String before,
51
                              final String after,
52
                              final boolean leftFlanking,
53
                              final boolean rightFlanking,
54
                              final boolean beforeIsPunctuation,
55
                              final boolean afterIsPunctuation,
56
                              final boolean beforeIsWhitespace,
57
                              final boolean afterIsWhiteSpace ) {
58
    return leftFlanking;
59
  }
60
61
  @Override
62
  public boolean canBeCloser( final String before,
63
                              final String after,
64
                              final boolean leftFlanking,
65
                              final boolean rightFlanking,
66
                              final boolean beforeIsPunctuation,
67
                              final boolean afterIsPunctuation,
68
                              final boolean beforeIsWhitespace,
69
                              final boolean afterIsWhiteSpace ) {
70
    return rightFlanking;
71
  }
72
73
  @Override
74
  public Node unmatchedDelimiterNode(
75
      final InlineParser inlineParser, final DelimiterRun delimiter ) {
76
    return null;
77
  }
78
79
  @Override
80
  public boolean skipNonOpenerCloser() {
81
    return false;
82
  }
83
}
184
A src/main/java/com/keenwrite/processors/markdown/extensions/tex/TexNode.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions.tex;
3
4
import com.vladsch.flexmark.ast.DelimitedNodeImpl;
5
6
public class TexNode extends DelimitedNodeImpl {
7
  /**
8
   * TeX expression wrapped in a {@code <tex>} element.
9
   */
10
  public static final String HTML_TEX = "tex";
11
12
  public static final String TOKEN_OPEN = "$";
13
  public static final String TOKEN_CLOSE = "$";
14
15
  public TexNode() {
16
  }
17
}
118
A src/main/java/com/keenwrite/processors/markdown/extensions/tex/TexNodeRenderer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown.extensions.tex;
3
4
import com.keenwrite.ExportFormat;
5
import com.keenwrite.preview.SvgRasterizer;
6
import com.keenwrite.processors.Processor;
7
import com.vladsch.flexmark.html.HtmlWriter;
8
import com.vladsch.flexmark.html.renderer.NodeRenderer;
9
import com.vladsch.flexmark.html.renderer.NodeRendererContext;
10
import com.vladsch.flexmark.html.renderer.NodeRendererFactory;
11
import com.vladsch.flexmark.html.renderer.NodeRenderingHandler;
12
import com.vladsch.flexmark.util.ast.Node;
13
import com.vladsch.flexmark.util.data.DataHolder;
14
import org.jetbrains.annotations.NotNull;
15
import org.jetbrains.annotations.Nullable;
16
17
import java.util.Map;
18
import java.util.Set;
19
20
import static com.keenwrite.ExportFormat.*;
21
import static com.keenwrite.preview.MathRenderer.MATH_RENDERER;
22
import static com.keenwrite.processors.markdown.extensions.tex.TexNode.*;
23
24
public class TexNodeRenderer {
25
  private static final Map<ExportFormat, RendererFacade> EXPORT_RENDERERS =
26
    Map.of(
27
      HTML_TEX_SVG, new TexSvgNodeRenderer(),
28
      HTML_TEX_DELIMITED, new TexDelimNodeRenderer(),
29
      MARKDOWN_PLAIN, new TexDelimNodeRenderer(),
30
      NONE, new TexElementNodeRenderer()
31
    );
32
33
  public static class Factory implements NodeRendererFactory {
34
    private final RendererFacade mNodeRenderer;
35
36
    public Factory(
37
      final ExportFormat exportFormat, final Processor<String> processor ) {
38
      mNodeRenderer = EXPORT_RENDERERS.get( exportFormat );
39
      mNodeRenderer.setProcessor( processor );
40
    }
41
42
    @NotNull
43
    @Override
44
    public NodeRenderer apply( @NotNull DataHolder options ) {
45
      return mNodeRenderer;
46
    }
47
  }
48
49
  private static abstract class RendererFacade
50
    implements NodeRenderer {
51
    private Processor<String> mProcessor;
52
53
    @Override
54
    public @Nullable Set<NodeRenderingHandler<?>> getNodeRenderingHandlers() {
55
      final var h = new NodeRenderingHandler<>( TexNode.class, this::render );
56
      return Set.of( h );
57
    }
58
59
    /**
60
     * Subclasses implement this method to render the content of {@link TexNode}
61
     * instances as per their associated {@link ExportFormat}.
62
     *
63
     * @param node    {@link Node} containing text content of a math formula.
64
     * @param context Configuration information (unused).
65
     * @param html    Where to write the rendered output.
66
     */
67
    abstract void render( final TexNode node,
68
                          final NodeRendererContext context,
69
                          final HtmlWriter html );
70
71
    private void setProcessor( final Processor<String> processor ) {
72
      mProcessor = processor;
73
    }
74
75
    Processor<String> getProcessor() {
76
      return mProcessor;
77
    }
78
  }
79
80
  /**
81
   * Responsible for rendering a TeX node as an HTML {@code <tex>}
82
   * element. This is the default behaviour.
83
   */
84
  private static class TexElementNodeRenderer extends RendererFacade {
85
    void render( final TexNode node,
86
                 final NodeRendererContext context,
87
                 final HtmlWriter html ) {
88
      html.tag( HTML_TEX );
89
      html.raw( getProcessor().apply( node.getText().toString() ) );
90
      html.closeTag( HTML_TEX );
91
    }
92
  }
93
94
  /**
95
   * Responsible for rendering a TeX node as an HTML {@code <svg>}
96
   * element.
97
   */
98
  private static class TexSvgNodeRenderer extends RendererFacade {
99
    void render( final TexNode node,
100
                 final NodeRendererContext context,
101
                 final HtmlWriter html ) {
102
      final var tex = node.getText().toStringOrNull();
103
      final var doc = MATH_RENDERER.render(
104
        tex == null ? "" : getProcessor().apply( tex ) );
105
      final var svg = SvgRasterizer.toSvg( doc.getDocumentElement() );
106
      html.raw( svg );
107
    }
108
  }
109
110
  /**
111
   * Responsible for rendering a TeX node as text bracketed by $ tokens.
112
   */
113
  private static class TexDelimNodeRenderer extends RendererFacade {
114
    void render( final TexNode node,
115
                 final NodeRendererContext context,
116
                 final HtmlWriter html ) {
117
      html.raw( TOKEN_OPEN );
118
      html.raw( getProcessor().apply( node.getText().toString() ) );
119
      html.raw( TOKEN_CLOSE );
120
    }
121
  }
122
}
1123
A src/main/java/com/keenwrite/processors/r/InlineRProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.r;
3
4
import com.keenwrite.preferences.Workspace;
5
import com.keenwrite.processors.DefinitionProcessor;
6
import com.keenwrite.processors.Processor;
7
import com.keenwrite.processors.ProcessorContext;
8
import com.keenwrite.processors.markdown.extensions.r.ROutputProcessor;
9
import com.keenwrite.util.BoundedCache;
10
import javafx.beans.property.Property;
11
12
import javax.script.ScriptEngine;
13
import javax.script.ScriptEngineManager;
14
import java.io.File;
15
import java.nio.file.Path;
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import java.util.Map;
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import java.util.concurrent.atomic.AtomicBoolean;
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19
import static com.keenwrite.Constants.STATUS_PARSE_ERROR;
20
import static com.keenwrite.Messages.get;
21
import static com.keenwrite.events.StatusEvent.clue;
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import static com.keenwrite.preferences.WorkspaceKeys.*;
23
import static com.keenwrite.processors.text.TextReplacementFactory.replace;
24
import static com.keenwrite.sigils.RSigilOperator.PREFIX;
25
import static com.keenwrite.sigils.RSigilOperator.SUFFIX;
26
import static java.lang.Math.max;
27
import static java.lang.Math.min;
28
import static java.lang.String.format;
29
30
/**
31
 * Transforms a document containing R statements into Markdown.
32
 */
33
public final class InlineRProcessor extends DefinitionProcessor {
34
  private final Processor<String> mPostProcessor = new ROutputProcessor();
35
36
  /**
37
   * Where to put document inline evaluated R expressions, constrained to
38
   * avoid running out of memory.
39
   */
40
  private final Map<String, String> mEvalCache =
41
    new BoundedCache<>( 512 );
42
43
  private static final ScriptEngine ENGINE =
44
    (new ScriptEngineManager()).getEngineByName( "Renjin" );
45
46
  private static final int PREFIX_LENGTH = PREFIX.length();
47
48
  private final AtomicBoolean mDirty = new AtomicBoolean( false );
49
50
  private final Workspace mWorkspace;
51
52
  /**
53
   * Constructs a processor capable of evaluating R statements.
54
   *
55
   * @param successor Subsequent link in the processing chain.
56
   * @param context   Contains resolved definitions map.
57
   */
58
  public InlineRProcessor(
59
    final Processor<String> successor,
60
    final ProcessorContext context ) {
61
    super( successor, context );
62
63
    mWorkspace = context.getWorkspace();
64
65
    bootstrapScriptProperty().addListener(
66
      ( __, oldScript, newScript ) -> setDirty( true ) );
67
    workingDirectoryProperty().addListener(
68
      ( __, oldScript, newScript ) -> setDirty( true ) );
69
70
    // TODO: Watch the "R" property keys in the workspace, directly.
71
72
    // If the user saves the preferences, make sure that any R-related settings
73
    // changes are applied.
74
//    getWorkspace().addSaveEventHandler( ( handler ) -> {
75
//      if( isDirty() ) {
76
//        init();
77
//        setDirty( false );
78
//      }
79
//    } );
80
81
    init();
82
  }
83
84
  /**
85
   * Initialises the R code so that R can find imported libraries. Note that
86
   * any existing R functionality will not be overwritten if this method is
87
   * called multiple times.
88
   *
89
   * @return {@code true} if initialization completed and all variables were
90
   * replaced; {@code false} if any variables remain.
91
   */
92
  public boolean init() {
93
    final var bootstrap = getBootstrapScript();
94
95
    if( !bootstrap.isBlank() ) {
96
      final var wd = getWorkingDirectory();
97
      final var dir = wd.toString().replace( '\\', '/' );
98
      final var map = getDefinitions();
99
      final var defBegan = mWorkspace.toString( KEY_DEF_DELIM_BEGAN );
100
      final var defEnded = mWorkspace.toString( KEY_DEF_DELIM_ENDED );
101
102
      map.put( defBegan + "application.r.working.directory" + defEnded, dir );
103
104
      final var replaced = replace( bootstrap, map );
105
      final var bIndex = replaced.indexOf( defBegan );
106
107
      // If there's a delimiter in the replaced text it means not all variables
108
      // are bound, which is an error.
109
      if( bIndex >= 0 ) {
110
        var eIndex = replaced.indexOf( defEnded );
111
        eIndex = (eIndex == -1) ? replaced.length() - 1 : max( bIndex, eIndex );
112
113
        final var def = replaced.substring(
114
          bIndex + defBegan.length(), eIndex );
115
        clue( "Main.status.error.bootstrap.eval",
116
              format( "%s%s%s", defBegan, def, defEnded ) );
117
118
        return false;
119
      }
120
      else {
121
        eval( replaced );
122
      }
123
    }
124
125
    return true;
126
  }
127
128
  /**
129
   * Empties the cache.
130
   */
131
  public void clear() {
132
    mEvalCache.clear();
133
  }
134
135
  /**
136
   * Sets the dirty flag to indicate that the bootstrap script or working
137
   * directory has been modified. Upon saving the preferences, if this flag
138
   * is true, then {@link #init()} will be called to reload the R environment.
139
   *
140
   * @param dirty Set to true to reload changes upon closing preferences.
141
   */
142
  private void setDirty( final boolean dirty ) {
143
    mDirty.set( dirty );
144
  }
145
146
  /**
147
   * Answers whether R-related settings have been modified.
148
   *
149
   * @return {@code true} when the settings have changed.
150
   */
151
  private boolean isDirty() {
152
    return mDirty.get();
153
  }
154
155
  /**
156
   * Evaluates all R statements in the source document and inserts the
157
   * calculated value into the generated document.
158
   *
159
   * @param text The document text that includes variables that should be
160
   *             replaced with values when rendered as HTML.
161
   * @return The generated document with output from all R statements
162
   * substituted with value returned from their execution.
163
   */
164
  @Override
165
  public String apply( final String text ) {
166
    final int length = text.length();
167
168
    // The * 2 is a wild guess at the ratio of R statements to the length
169
    // of text produced by those statements.
170
    final StringBuilder sb = new StringBuilder( length * 2 );
171
172
    int prevIndex = 0;
173
    int currIndex = text.indexOf( PREFIX );
174
175
    while( currIndex >= 0 ) {
176
      // Copy everything up to, but not including, the opening token.
177
      sb.append( text, prevIndex, currIndex );
178
179
      // Jump to the start of the R statement.
180
      prevIndex = currIndex + PREFIX_LENGTH;
181
182
      // Find the closing token, without indexing past the text boundary.
183
      currIndex = text.indexOf( SUFFIX, min( currIndex + 1, length ) );
184
185
      // Only evaluate inline R statements that have end delimiters.
186
      if( currIndex > 1 ) {
187
        // Extract the inline R statement to be evaluated.
188
        final var r = text.substring( prevIndex, currIndex );
189
190
        // Pass the R statement into the R engine for evaluation.
191
        try {
192
          // Append the string representation of the result into the text.
193
          sb.append( evalCached( r ) );
194
        } catch( final Exception ex ) {
195
          // Inform the user that there was a problem.
196
          clue( STATUS_PARSE_ERROR, ex.getMessage(), currIndex );
197
198
          // If the string couldn't be parsed using R, append the statement
199
          // that failed to parse, instead of its evaluated value.
200
          sb.append( PREFIX ).append( r ).append( SUFFIX );
201
        }
202
203
        // Retain the R statement's ending position in the text.
204
        prevIndex = currIndex + 1;
205
      }
206
207
      // Find the start of the next inline R statement.
208
      currIndex = text.indexOf( PREFIX, min( currIndex + 1, length ) );
209
    }
210
211
    // Copy from the previous index to the end of the string.
212
    return sb.append( text.substring( min( prevIndex, length ) ) ).toString();
213
  }
214
215
  /**
216
   * Look up an R expression from the cache then return the resulting object.
217
   * If the R expression hasn't been cached, it'll first be evaluated.
218
   *
219
   * @param r The expression to evaluate.
220
   * @return The object resulting from the evaluation.
221
   */
222
  private String evalCached( final String r ) {
223
    return mEvalCache.computeIfAbsent( r, __ -> evalHtml( r ) );
224
  }
225
226
  /**
227
   * Converts the given string to HTML, trimming new lines, and inlining
228
   * the text if it is a paragraph. Otherwise, the resulting HTML is most likely
229
   * complex (e.g., a Markdown table) and should be rendered as its HTML
230
   * equivalent.
231
   *
232
   * @param r The R expression to evaluate then convert to HTML.
233
   * @return The result from the R expression as an HTML element.
234
   */
235
  private String evalHtml( final String r ) {
236
    return mPostProcessor.apply( eval( r ) );
237
  }
238
239
  /**
240
   * Evaluate an R expression and return the resulting object.
241
   *
242
   * @param r The expression to evaluate.
243
   * @return The object resulting from the evaluation.
244
   */
245
  private String eval( final String r ) {
246
    try {
247
      return ENGINE.eval( r ).toString();
248
    } catch( final Exception ex ) {
249
      final var expr = r.substring( 0, min( r.length(), 50 ) );
250
      clue( get( "Main.status.error.r", expr, ex.getMessage() ), ex );
251
      return "";
252
    }
253
  }
254
255
  /**
256
   * Return the given path if not {@code null}, otherwise return the path to
257
   * the user's directory.
258
   *
259
   * @return A non-null path.
260
   */
261
  private Path getWorkingDirectory() {
262
    return workingDirectoryProperty().getValue().toPath();
263
  }
264
265
  private Property<File> workingDirectoryProperty() {
266
    return getWorkspace().fileProperty( KEY_R_DIR );
267
  }
268
269
  /**
270
   * Loads the R init script from the application's persisted preferences.
271
   *
272
   * @return A non-null string, possibly empty.
273
   */
274
  private String getBootstrapScript() {
275
    return bootstrapScriptProperty().getValue();
276
  }
277
278
  private Property<String> bootstrapScriptProperty() {
279
    return getWorkspace().valuesProperty( KEY_R_SCRIPT );
280
  }
281
282
  private Workspace getWorkspace() {
283
    return mWorkspace;
284
  }
285
}
1286
A src/main/java/com/keenwrite/processors/r/RProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.r;
3
4
import com.keenwrite.processors.ExecutorProcessor;
5
import com.keenwrite.processors.Processor;
6
import com.keenwrite.processors.ProcessorContext;
7
8
import static com.keenwrite.processors.IdentityProcessor.IDENTITY;
9
10
/**
11
 * Responsible for processing R statements within a text block.
12
 */
13
public final class RProcessor extends ExecutorProcessor<String> {
14
  private final Processor<String> mProcessor;
15
  private final InlineRProcessor mInlineRProcessor;
16
17
  private boolean mReady;
18
19
  public RProcessor( final ProcessorContext context ) {
20
    final var irp = new InlineRProcessor( IDENTITY, context );
21
    final var rvp = new RVariableProcessor( irp, context );
22
    mProcessor = new ExecutorProcessor<>( rvp );
23
    mInlineRProcessor = irp;
24
  }
25
26
  public void init() {
27
    mReady = mInlineRProcessor.init();
28
  }
29
30
  public String apply( final String text ) {
31
    return mProcessor.apply( text );
32
  }
33
34
  public boolean isReady() {
35
    return mReady;
36
  }
37
}
138
A src/main/java/com/keenwrite/processors/r/RVariableProcessor.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.r;
3
4
import com.keenwrite.preferences.Workspace;
5
import com.keenwrite.processors.DefinitionProcessor;
6
import com.keenwrite.processors.ProcessorContext;
7
import com.keenwrite.sigils.RSigilOperator;
8
import com.keenwrite.sigils.SigilOperator;
9
import com.keenwrite.sigils.YamlSigilOperator;
10
11
import java.util.HashMap;
12
import java.util.Map;
13
14
import static com.keenwrite.preferences.WorkspaceKeys.*;
15
16
/**
17
 * Converts the keys of the resolved map from default form to R form, then
18
 * performs a substitution on the text. The default R variable syntax is
19
 * {@code v$tree$leaf}.
20
 */
21
public final class RVariableProcessor extends DefinitionProcessor {
22
23
  private final SigilOperator mSigilOperator;
24
25
  public RVariableProcessor(
26
    final InlineRProcessor irp, final ProcessorContext context ) {
27
    super( irp, context );
28
    mSigilOperator = createSigilOperator( context.getWorkspace() );
29
  }
30
31
  /**
32
   * Returns the R-based version of the interpolated variable definitions.
33
   *
34
   * @return Variable names transmogrified from the default syntax to R syntax.
35
   */
36
  @Override
37
  protected Map<String, String> getDefinitions() {
38
    return entoken( super.getDefinitions() );
39
  }
40
41
  /**
42
   * Converts the given map from regular variables to R variables.
43
   *
44
   * @param map Map of variable names to values.
45
   * @return Map of R variables.
46
   */
47
  private Map<String, String> entoken( final Map<String, String> map ) {
48
    final var rMap = new HashMap<String, String>( map.size() );
49
50
    for( final var entry : map.entrySet() ) {
51
      final var key = entry.getKey();
52
      rMap.put( mSigilOperator.entoken( key ), escape( map.get( key ) ) );
53
    }
54
55
    return rMap;
56
  }
57
58
  private String escape( final String value ) {
59
    return '\'' + escape( value, '\'', "\\'" ) + '\'';
60
  }
61
62
  /**
63
   * TODO: Make generic method for replacing text.
64
   *
65
   * @param haystack Search this string for the needle, must not be null.
66
   * @param needle   The character to find in the haystack.
67
   * @param thread   Replace the needle with this text, if the needle is found.
68
   * @return The haystack with the all instances of needle replaced with thread.
69
   */
70
  @SuppressWarnings( "SameParameterValue" )
71
  private String escape(
72
    final String haystack, final char needle, final String thread ) {
73
    int end = haystack.indexOf( needle );
74
75
    if( end < 0 ) {
76
      return haystack;
77
    }
78
79
    final int length = haystack.length();
80
    int start = 0;
81
82
    // Replace up to 32 occurrences before the string reallocates its buffer.
83
    final var sb = new StringBuilder( length + 32 );
84
85
    while( end >= 0 ) {
86
      sb.append( haystack, start, end ).append( thread );
87
      start = end + 1;
88
      end = haystack.indexOf( needle, start );
89
    }
90
91
    return sb.append( haystack.substring( start ) ).toString();
92
  }
93
94
  private SigilOperator createSigilOperator( final Workspace workspace ) {
95
    final var tokens = workspace.toTokens(
96
      KEY_R_DELIM_BEGAN, KEY_R_DELIM_ENDED );
97
    final var antecedent = createDefinitionOperator( workspace );
98
    return new RSigilOperator( tokens, antecedent );
99
  }
100
101
  private SigilOperator createDefinitionOperator( final Workspace workspace ) {
102
    final var tokens = workspace.toTokens(
103
      KEY_DEF_DELIM_BEGAN, KEY_DEF_DELIM_ENDED );
104
    return new YamlSigilOperator( tokens );
105
  }
106
}
1107
A src/main/java/com/keenwrite/processors/text/AbstractTextReplacer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.text;
3
4
import java.util.Map;
5
6
/**
7
 * Responsible for common behaviour across all text replacer implementations.
8
 */
9
public abstract class AbstractTextReplacer implements TextReplacer {
10
11
  /**
12
   * Default (empty) constructor.
13
   */
14
  protected AbstractTextReplacer() {
15
  }
16
17
  protected String[] keys( final Map<String, String> map ) {
18
    return map.keySet().toArray( new String[ 0 ] );
19
  }
20
21
  protected String[] values( final Map<String, String> map ) {
22
    return map.values().toArray( new String[ 0 ] );
23
  }
24
}
125
A src/main/java/com/keenwrite/processors/text/AhoCorasickReplacer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.text;
3
4
import java.util.Map;
5
6
import static org.ahocorasick.trie.Trie.builder;
7
8
/**
9
 * Replaces text using an Aho-Corasick algorithm.
10
 */
11
public class AhoCorasickReplacer extends AbstractTextReplacer {
12
13
  /**
14
   * Default (empty) constructor.
15
   */
16
  protected AhoCorasickReplacer() {
17
  }
18
19
  @Override
20
  public String replace( final String text, final Map<String, String> map ) {
21
    // Create a buffer sufficiently large that re-allocations are minimized.
22
    final var sb = new StringBuilder( (int)(text.length() * 1.25) );
23
24
    // Definition names cannot overlap.
25
    final var builder = builder().ignoreOverlaps();
26
    builder.addKeywords( keys( map ) );
27
28
    int index = 0;
29
30
    // Replace all instances with dereferenced variables.
31
    for( final var emit : builder.build().parseText( text ) ) {
32
      sb.append( text, index, emit.getStart() );
33
      sb.append( map.get( emit.getKeyword() ) );
34
      index = emit.getEnd() + 1;
35
    }
36
37
    // Add the remainder of the string (contains no more matches).
38
    sb.append( text.substring( index ) );
39
40
    return sb.toString();
41
  }
42
}
143
A src/main/java/com/keenwrite/processors/text/StringUtilsReplacer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.text;
3
4
import java.util.Map;
5
6
import static org.apache.commons.lang3.StringUtils.replaceEach;
7
8
/**
9
 * Replaces text using Apache's StringUtils.replaceEach method.
10
 */
11
public class StringUtilsReplacer extends AbstractTextReplacer {
12
13
  /**
14
   * Default (empty) constructor.
15
   */
16
  protected StringUtilsReplacer() {
17
  }
18
19
  @Override
20
  public String replace( final String text, final Map<String, String> map ) {
21
    return replaceEach( text, keys( map ), values( map ) );
22
  }
23
}
124
A src/main/java/com/keenwrite/processors/text/TextReplacementFactory.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.text;
3
4
import java.util.Map;
5
6
/**
7
 * Used to generate a class capable of efficiently replacing variable
8
 * definitions with their values.
9
 */
10
public final class TextReplacementFactory {
11
12
  private static final TextReplacer APACHE = new StringUtilsReplacer();
13
  private static final TextReplacer AHO_CORASICK = new AhoCorasickReplacer();
14
15
  /**
16
   * Returns a text search/replacement instance that is reasonably optimal for
17
   * the given length of text.
18
   *
19
   * @param length The length of text that requires some search and replacing.
20
   * @return A class that can search and replace text with utmost expediency.
21
   */
22
  public static TextReplacer getTextReplacer( final int length ) {
23
    // After about 1,500 characters, the StringUtils implementation is slower
24
    // than the Aho-Corsick algorithm implementation.
25
    return length < 1500 ? APACHE : AHO_CORASICK;
26
  }
27
28
  /**
29
   * Convenience method to instantiate a suitable text replacer algorithm and
30
   * perform a replacement using the given map. At this point, the values should
31
   * be already dereferenced and ready to be substituted verbatim; any
32
   * recursively defined values must have been interpolated previously.
33
   *
34
   * @param text The text containing zero or more variables to replace.
35
   * @param map  The map of variables to their dereferenced values.
36
   * @return The text with all variables replaced.
37
   */
38
  public static String replace(
39
      final String text, final Map<String, String> map ) {
40
    return getTextReplacer( text.length() ).replace( text, map );
41
  }
42
}
143
A src/main/java/com/keenwrite/processors/text/TextReplacer.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.text;
3
4
import java.util.Map;
5
6
/**
7
 * Defines the ability to replace text given a set of keys and values.
8
 */
9
public interface TextReplacer {
10
11
  /**
12
   * Searches through the given text for any of the keys given in the map and
13
   * replaces the keys that appear in the text with the key's corresponding
14
   * value.
15
   *
16
   * @param text The text that contains zero or more keys.
17
   * @param map  The set of keys mapped to replacement values.
18
   * @return The given text with all keys replaced with corresponding values.
19
   */
20
  String replace( String text, Map<String, String> map );
21
}
122
A src/main/java/com/keenwrite/search/SearchModel.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.search;
3
4
import com.keenwrite.util.CyclicIterator;
5
import javafx.beans.property.ObjectProperty;
6
import javafx.beans.property.SimpleObjectProperty;
7
import javafx.beans.value.ObservableValue;
8
import javafx.scene.control.IndexRange;
9
import org.ahocorasick.trie.Emit;
10
import org.ahocorasick.trie.Trie;
11
12
import java.util.ArrayList;
13
import java.util.List;
14
15
import static org.ahocorasick.trie.Trie.builder;
16
17
/**
18
 * Responsible for finding words in a text document. This implementation uses
19
 * a {@link Trie} for efficiency.
20
 */
21
public final class SearchModel {
22
  private final ObjectProperty<IndexRange> mMatchOffset =
23
      new SimpleObjectProperty<>();
24
  private final ObjectProperty<Integer> mMatchCount =
25
      new SimpleObjectProperty<>();
26
  private final ObjectProperty<Integer> mMatchIndex =
27
      new SimpleObjectProperty<>();
28
29
  private CyclicIterator<Emit> mMatches = new CyclicIterator<>( List.of() );
30
31
  private String mNeedle = "";
32
33
  /**
34
   * Creates a new {@link SearchModel} that finds all text string in a
35
   * document simultaneously.
36
   */
37
  public SearchModel() {
38
  }
39
40
  public ObjectProperty<Integer> matchCountProperty() {
41
    return mMatchCount;
42
  }
43
44
  public ObjectProperty<Integer> matchIndexProperty() {
45
    return mMatchIndex;
46
  }
47
48
  /**
49
   * Observers watch this property to be notified when a needle has been
50
   * found in the haystack. Use {@link IndexRange#getStart()} to get the
51
   * absolute offset into the text (zero-based).
52
   *
53
   * @return The {@link IndexRange} property to observe, representing the
54
   * most recently matched text offset into the document.
55
   */
56
  public ObservableValue<IndexRange> matchOffsetProperty() {
57
    return mMatchOffset;
58
  }
59
60
  /**
61
   * Searches the document for text matching the given parameter value. This
62
   * is the main entry point for kicking off text searches.
63
   *
64
   * @param needle   The text string to find in the document, no regex allowed.
65
   * @param haystack The document to search within for a text string.
66
   */
67
  public void search( final String needle, final String haystack ) {
68
    assert needle != null;
69
    assert haystack != null;
70
71
    final var trie = builder()
72
        .ignoreCase()
73
        .ignoreOverlaps()
74
        .addKeyword( needle )
75
        .build();
76
    final var emits = trie.parseText( haystack );
77
78
    mMatches = new CyclicIterator<>( new ArrayList<>( emits ) );
79
    mMatchCount.set( emits.size() );
80
    mNeedle = needle;
81
    advance();
82
  }
83
84
  /**
85
   * Searches the document for the last known needle.
86
   *
87
   * @param haystack The new text to search.
88
   */
89
  public void search( final String haystack ) {
90
    search( mNeedle, haystack );
91
  }
92
93
  /**
94
   * Moves the search iterator to the next match, wrapping as needed.
95
   */
96
  public void advance() {
97
    if( mMatches.hasNext() ) {
98
      setCurrent( mMatches.next() );
99
    }
100
  }
101
102
  /**
103
   * Moves the search iterator to the previous match, wrapping as needed.
104
   */
105
  public void retreat() {
106
    if( mMatches.hasPrevious() ) {
107
      setCurrent( mMatches.previous() );
108
    }
109
  }
110
111
  private void setCurrent( final Emit emit ) {
112
    mMatchOffset.set( new IndexRange( emit.getStart(), emit.getEnd() ) );
113
    mMatchIndex.set( mMatches.getIndex() + 1 );
114
  }
115
}
1116
A src/main/java/com/keenwrite/service/Service.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service;
3
4
/**
5
 * All services inherit from this one.
6
 */
7
public interface Service {
8
}
19
A src/main/java/com/keenwrite/service/Settings.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service;
3
4
import java.util.Iterator;
5
import java.util.List;
6
7
/**
8
 * Defines how settings and options can be retrieved.
9
 */
10
public interface Settings extends Service {
11
12
  /**
13
   * Returns a setting property or its default value.
14
   *
15
   * @param property     The property key name to obtain its value.
16
   * @param defaultValue The default value to return iff the property cannot be
17
   *                     found.
18
   * @return The property value for the given property key.
19
   */
20
  String getSetting( String property, String defaultValue );
21
22
  /**
23
   * Returns a setting property or its default value.
24
   *
25
   * @param property     The property key name to obtain its value.
26
   * @param defaultValue The default value to return iff the property cannot be
27
   *                     found.
28
   * @return The property value for the given property key.
29
   */
30
  int getSetting( String property, int defaultValue );
31
32
  /**
33
   * Returns a list of property names that begin with the given prefix. The
34
   * prefix is included in any matching results. This will return keys that
35
   * either match the prefix or start with the prefix followed by a dot ('.').
36
   * For example, a prefix value of <code>the.property.name</code> will likely
37
   * return the expected results, but <code>the.property.name.</code> (note the
38
   * extraneous period) will probably not.
39
   *
40
   * @param prefix The prefix to compare against each property name.
41
   * @return The list of property names that have the given prefix.
42
   */
43
  Iterator<String> getKeys( final String prefix );
44
45
  /**
46
   * Convert the generic list of property objects into strings.
47
   *
48
   * @param property The property value to coerce.
49
   * @param defaults The defaults values to use should the property be unset.
50
   * @return The list of properties coerced from objects to strings.
51
   */
52
  List<String> getStringSettingList( String property, List<String> defaults );
53
54
  /**
55
   * Converts the generic list of property objects into strings.
56
   *
57
   * @param property The property value to coerce.
58
   * @return The list of properties coerced from objects to strings.
59
   */
60
  List<String> getStringSettingList( String property );
61
}
162
A src/main/java/com/keenwrite/service/events/Notification.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service.events;
3
4
/**
5
 * Represents a message that contains a title and content.
6
 */
7
public interface Notification {
8
9
  /**
10
   * Alert title.
11
   *
12
   * @return A non-null string to use as alert message title.
13
   */
14
  String getTitle();
15
16
  /**
17
   * Alert message content.
18
   *
19
   * @return A non-null string that contains information for the user.
20
   */
21
  String getContent();
22
}
123
A src/main/java/com/keenwrite/service/events/Notifier.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service.events;
3
4
import javafx.scene.control.Alert;
5
import javafx.stage.Window;
6
7
import java.nio.file.Path;
8
9
/**
10
 * Provides the application with a uniform way to notify the user of events.
11
 */
12
public interface Notifier {
13
14
  /**
15
   * Constructs an alert message text for a modal alert dialog.
16
   *
17
   * @param parent     The window responsible for the child dialog.
18
   * @param path       The path to a file that was not actionable.
19
   * @param titleKey   The dialog box message title.
20
   * @param messageKey The dialog box message content (needs formatting).
21
   * @param ex         The problem that requires user attention.
22
   */
23
  void alert(
24
    Window parent,
25
    Path path,
26
    String titleKey,
27
    String messageKey,
28
    Exception ex );
29
30
  /**
31
   * Constructs an alert message text for a modal alert dialog.
32
   *
33
   * @param parent The window responsible for the child dialog.
34
   * @param path   The path to a file that was not actionable.
35
   * @param key    Prefix for both title and message key.
36
   * @param ex     The problem that requires user attention.
37
   */
38
  default void alert(
39
    Window parent,
40
    Path path,
41
    String key,
42
    Exception ex ) {
43
    alert( parent, path, key + ".title", key + ".message", ex );
44
  }
45
46
  /**
47
   * Contains all the information that the user needs to know about a problem.
48
   *
49
   * @param title   The dialog box message title (i.e., the error context).
50
   * @param message The message content (formatted with the given args).
51
   * @param args    The arguments to the message content that must be formatted.
52
   * @return The message suitable for building a modal alert dialog.
53
   */
54
  Notification createNotification(
55
    String title,
56
    String message,
57
    Object... args );
58
59
  /**
60
   * Creates an alert of alert type error with a message showing the cause of
61
   * the error.
62
   *
63
   * @param parent  Dialog box owner (for modal purposes).
64
   * @param message The error message, title, and possibly more details.
65
   * @return A modal alert dialog box ready to display using showAndWait.
66
   */
67
  Alert createError( Window parent, Notification message );
68
69
  /**
70
   * Creates an alert of alert type confirmation with Yes/No/Cancel buttons.
71
   *
72
   * @param parent  Dialog box owner (for modal purposes).
73
   * @param message The message, title, and possibly more details.
74
   * @return A modal alert dialog box ready to display using showAndWait.
75
   */
76
  Alert createConfirmation( Window parent, Notification message );
77
}
178
A src/main/java/com/keenwrite/service/events/impl/ButtonOrderPane.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service.events.impl;
3
4
import javafx.scene.Node;
5
import javafx.scene.control.ButtonBar;
6
import javafx.scene.control.DialogPane;
7
8
import static com.keenwrite.Constants.sSettings;
9
import static javafx.scene.control.ButtonBar.BUTTON_ORDER_WINDOWS;
10
11
/**
12
 * Ensures a consistent button order for alert dialogs across platforms (because
13
 * the default button order on Linux defies all logic).
14
 */
15
public class ButtonOrderPane extends DialogPane {
16
  public ButtonOrderPane() {
17
  }
18
19
  @Override
20
  protected Node createButtonBar() {
21
    final var node = (ButtonBar) super.createButtonBar();
22
    node.setButtonOrder( getButtonOrder() );
23
    return node;
24
  }
25
26
  private String getButtonOrder() {
27
    return sSettings.getSetting(
28
      "dialog.alert.button.order.windows", BUTTON_ORDER_WINDOWS );
29
  }
30
}
131
A src/main/java/com/keenwrite/service/events/impl/DefaultNotification.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service.events.impl;
3
4
import com.keenwrite.service.events.Notification;
5
6
import java.text.MessageFormat;
7
8
/**
9
 * Responsible for alerting the user to prominent information.
10
 */
11
public class DefaultNotification implements Notification {
12
13
  private final String title;
14
  private final String content;
15
16
  /**
17
   * Constructs default message text for a notification.
18
   *
19
   * @param title   The message title.
20
   * @param message The message content (needs formatting).
21
   * @param args    The arguments to the message content that must be formatted.
22
   */
23
  public DefaultNotification(
24
      final String title,
25
      final String message,
26
      final Object... args ) {
27
    this.title = title;
28
    this.content = MessageFormat.format( message, args );
29
  }
30
31
  @Override
32
  public String getTitle() {
33
    return this.title;
34
  }
35
36
  @Override
37
  public String getContent() {
38
    return this.content;
39
  }
40
41
}
142
A src/main/java/com/keenwrite/service/events/impl/DefaultNotifier.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service.events.impl;
3
4
import com.keenwrite.service.events.Notification;
5
import com.keenwrite.service.events.Notifier;
6
import javafx.scene.control.Alert;
7
import javafx.scene.control.Alert.AlertType;
8
import javafx.stage.Window;
9
10
import java.nio.file.Path;
11
12
import static com.keenwrite.Constants.ICON_DIALOG_NODE;
13
import static com.keenwrite.Messages.get;
14
import static javafx.scene.control.Alert.AlertType.CONFIRMATION;
15
import static javafx.scene.control.Alert.AlertType.ERROR;
16
import static javafx.scene.control.ButtonType.*;
17
18
/**
19
 * Provides the ability to notify the user of events that need attention,
20
 * such as prompting the user to confirm closing when there are unsaved changes.
21
 */
22
public final class DefaultNotifier implements Notifier {
23
24
  @Override
25
  public Notification createNotification(
26
      final String title,
27
      final String message,
28
      final Object... args ) {
29
    return new DefaultNotification( title, message, args );
30
  }
31
32
  @Override
33
  public void alert(
34
      final Window parent,
35
      final Path path,
36
      final String titleKey,
37
      final String messageKey,
38
      final Exception ex ) {
39
    final var message = createNotification(
40
        get( titleKey ), get( messageKey ), path, ex.getMessage()
41
    );
42
43
    createError( parent, message ).showAndWait();
44
  }
45
46
  @Override
47
  public Alert createConfirmation(
48
      final Window parent, final Notification message ) {
49
    final var alert = createAlertDialog( parent, CONFIRMATION, message );
50
51
    alert.getButtonTypes().setAll( YES, NO, CANCEL );
52
53
    return alert;
54
  }
55
56
  @Override
57
  public Alert createError( final Window parent, final Notification message ) {
58
    return createAlertDialog( parent, ERROR, message );
59
  }
60
61
  private Alert createAlertDialog(
62
      final Window parent,
63
      final AlertType alertType,
64
      final Notification message ) {
65
    final var alert = new Alert( alertType );
66
67
    alert.setDialogPane( new ButtonOrderPane() );
68
    alert.setTitle( message.getTitle() );
69
    alert.setHeaderText( null );
70
    alert.setContentText( message.getContent() );
71
    alert.initOwner( parent );
72
    alert.setGraphic( ICON_DIALOG_NODE );
73
74
    return alert;
75
  }
76
}
177
A src/main/java/com/keenwrite/service/impl/DefaultSettings.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.service.impl;
3
4
import com.keenwrite.service.Settings;
5
import org.apache.commons.configuration2.PropertiesConfiguration;
6
import org.apache.commons.configuration2.convert.DefaultListDelimiterHandler;
7
import org.apache.commons.configuration2.convert.ListDelimiterHandler;
8
9
import java.io.InputStreamReader;
10
import java.net.URL;
11
import java.nio.charset.Charset;
12
import java.util.Iterator;
13
import java.util.List;
14
15
import static com.keenwrite.Constants.PATH_PROPERTIES_SETTINGS;
16
17
/**
18
 * Responsible for loading settings that help avoid hard-coded assumptions.
19
 */
20
public final class DefaultSettings implements Settings {
21
22
  private static final char VALUE_SEPARATOR = ',';
23
24
  private final PropertiesConfiguration mProperties = createProperties();
25
26
  public DefaultSettings() {
27
  }
28
29
  /**
30
   * Returns the value of a string property.
31
   *
32
   * @param property     The property key.
33
   * @param defaultValue The value to return if no property key has been set.
34
   * @return The property key value, or defaultValue when no key found.
35
   */
36
  @Override
37
  public String getSetting( final String property, final String defaultValue ) {
38
    return getSettings().getString( property, defaultValue );
39
  }
40
41
  /**
42
   * Returns the value of a string property.
43
   *
44
   * @param property     The property key.
45
   * @param defaultValue The value to return if no property key has been set.
46
   * @return The property key value, or defaultValue when no key found.
47
   */
48
  @Override
49
  public int getSetting( final String property, final int defaultValue ) {
50
    return getSettings().getInt( property, defaultValue );
51
  }
52
53
  /**
54
   * Convert the generic list of property objects into strings.
55
   *
56
   * @param property The property value to coerce.
57
   * @param defaults The defaults values to use should the property be unset.
58
   * @return The list of properties coerced from objects to strings.
59
   */
60
  @Override
61
  public List<String> getStringSettingList(
62
      final String property, final List<String> defaults ) {
63
    return getSettings().getList( String.class, property, defaults );
64
  }
65
66
  /**
67
   * Convert a list of property objects into strings, with no default value.
68
   *
69
   * @param property The property value to coerce.
70
   * @return The list of properties coerced from objects to strings.
71
   */
72
  @Override
73
  public List<String> getStringSettingList( final String property ) {
74
    return getStringSettingList( property, null );
75
  }
76
77
  /**
78
   * Returns a list of property names that begin with the given prefix.
79
   *
80
   * @param prefix The prefix to compare against each property name.
81
   * @return The list of property names that have the given prefix.
82
   */
83
  @Override
84
  public Iterator<String> getKeys( final String prefix ) {
85
    return getSettings().getKeys( prefix );
86
  }
87
88
  private PropertiesConfiguration createProperties() {
89
    final var url = getPropertySource();
90
    final var configuration = new PropertiesConfiguration();
91
92
    if( url != null ) {
93
      try( final var reader = new InputStreamReader(
94
          url.openStream(), getDefaultEncoding() ) ) {
95
        configuration.setListDelimiterHandler( createListDelimiterHandler() );
96
        configuration.read( reader );
97
      } catch( final Exception ex ) {
98
        throw new RuntimeException( ex );
99
      }
100
    }
101
102
    return configuration;
103
  }
104
105
  protected Charset getDefaultEncoding() {
106
    return Charset.defaultCharset();
107
  }
108
109
  protected ListDelimiterHandler createListDelimiterHandler() {
110
    return new DefaultListDelimiterHandler( VALUE_SEPARATOR );
111
  }
112
113
  private URL getPropertySource() {
114
    return DefaultSettings.class.getResource( PATH_PROPERTIES_SETTINGS );
115
  }
116
117
  private PropertiesConfiguration getSettings() {
118
    return mProperties;
119
  }
120
}
1121
A src/main/java/com/keenwrite/sigils/RSigilOperator.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.sigils;
3
4
import static com.keenwrite.sigils.YamlSigilOperator.KEY_SEPARATOR_DEF;
5
6
/**
7
 * Brackets variable names between {@link #PREFIX} and {@link #SUFFIX} sigils.
8
 */
9
public final class RSigilOperator extends SigilOperator {
10
  private static final char KEY_SEPARATOR_R = '$';
11
12
  public static final String PREFIX = "`r#";
13
  public static final char SUFFIX = '`';
14
15
  /**
16
   * Definition variables are inserted into the document before R variables,
17
   * so this is required to reformat the definition variable suitable for R.
18
   */
19
  private final SigilOperator mAntecedent;
20
21
  /**
22
   * Constructs a new {@link RSigilOperator} capable of wrapping tokens around
23
   * variable names (keys).
24
   *
25
   * @param tokens     The starting and ending tokens.
26
   * @param antecedent The operator to use to undo any previous entokenizing.
27
   */
28
  public RSigilOperator( final Tokens tokens, final SigilOperator antecedent ) {
29
    super( tokens );
30
31
    mAntecedent = antecedent;
32
  }
33
34
  /**
35
   * Returns the given string with backticks prepended and appended. The
36
   *
37
   * @param key The string to adorn with R token delimiters.
38
   * @return PREFIX + delimiterBegan + variableName + delimiterEnded + SUFFIX.
39
   */
40
  @Override
41
  public String apply( final String key ) {
42
    assert key != null;
43
    return PREFIX + getBegan() + key + getEnded() + SUFFIX;
44
  }
45
46
  /**
47
   * Transforms a definition key (bracketed by token delimiters) into the
48
   * expected format for an R variable key name.
49
   * <p>
50
   * The algorithm to entoken a definition name is faster than
51
   * {@link String#replace(char, char)}. Faster still would be to cache the
52
   * values, but that would mean managing the cache when the user changes
53
   * the beginning and ending of the R delimiters. This code gives about a
54
   * 2% performance boost when scrolling using cursor keys. After the JIT
55
   * warms up, this super-minor bottleneck vanishes.
56
   * </p>
57
   *
58
   * @param key The variable name to transform, can be empty but not null.
59
   * @return The transformed variable name.
60
   */
61
  public String entoken( final String key ) {
62
    final var detokened = new StringBuilder( key.length() );
63
    detokened.append( "v$" );
64
    detokened.append( mAntecedent.detoken( key ) );
65
66
    // The 3 is for "v$X" where X cannot be a period.
67
    for( int i = detokened.length() - 1; i >= 3; i-- ) {
68
      if( detokened.charAt( i ) == KEY_SEPARATOR_DEF ) {
69
        detokened.setCharAt( i, KEY_SEPARATOR_R );
70
      }
71
    }
72
73
    return detokened.toString();
74
  }
75
}
176
A src/main/java/com/keenwrite/sigils/SigilOperator.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.sigils;
3
4
import java.util.function.UnaryOperator;
5
6
/**
7
 * Responsible for updating definition keys to use a machine-readable format
8
 * corresponding to the type of file being edited. This changes a definition
9
 * key name based on some criteria determined by the factory that creates
10
 * implementations of this interface.
11
 */
12
public abstract class SigilOperator implements UnaryOperator<String> {
13
  private final Tokens mTokens;
14
15
  SigilOperator( final Tokens tokens ) {
16
    mTokens = tokens;
17
  }
18
19
  /**
20
   * Removes start and stop definition key delimiters from the given key. This
21
   * method does not check for delimiters, only that there are sufficient
22
   * characters to remove from either end of the given key.
23
   *
24
   * @param key The key adorned with start and stop tokens.
25
   * @return The given key with the delimiters removed.
26
   */
27
  String detoken( final String key ) {
28
    return key;
29
  }
30
31
  String getBegan() {
32
    return mTokens.getBegan();
33
  }
34
35
  String getEnded() {
36
    return mTokens.getEnded();
37
  }
38
39
  /**
40
   * Wraps the given key in the began and ended tokens. This may perform any
41
   * preprocessing necessary to ensure the transformation happens.
42
   *
43
   * @param key The variable name to transform.
44
   * @return The given key with tokens to delimit it (from the edited text).
45
   */
46
  public abstract String entoken( final String key );
47
}
148
A src/main/java/com/keenwrite/sigils/Tokens.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.sigils;
3
4
import javafx.beans.property.StringProperty;
5
6
import java.util.AbstractMap.SimpleImmutableEntry;
7
8
/**
9
 * Convenience class for pairing a start and an end sigil together.
10
 */
11
public final class Tokens
12
  extends SimpleImmutableEntry<StringProperty, StringProperty> {
13
14
  /**
15
   * Associates a new key-value pair.
16
   *
17
   * @param began The starting sigil.
18
   * @param ended The ending sigil.
19
   */
20
  public Tokens( final StringProperty began, final StringProperty ended ) {
21
    super( began, ended );
22
  }
23
24
  /**
25
   * @return The opening sigil token.
26
   */
27
  public String getBegan() {
28
    return getKey().get();
29
  }
30
31
  /**
32
   * @return The closing sigil token, or the empty string if none set.
33
   */
34
  public String getEnded() {
35
    return getValue().get();
36
  }
37
}
138
A src/main/java/com/keenwrite/sigils/YamlSigilOperator.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.sigils;
3
4
/**
5
 * Brackets definition keys with token delimiters.
6
 */
7
public final class YamlSigilOperator extends SigilOperator {
8
  public static final char KEY_SEPARATOR_DEF = '.';
9
10
  public YamlSigilOperator( final Tokens tokens ) {
11
    super( tokens );
12
  }
13
14
  /**
15
   * Returns the given {@link String} verbatim because variables in YAML
16
   * documents and plain Markdown documents already have the appropriate
17
   * tokenizable syntax wrapped around the text.
18
   *
19
   * @param key Returned verbatim.
20
   */
21
  @Override
22
  public String apply( final String key ) {
23
    return key;
24
  }
25
26
  /**
27
   * Adds delimiters to the given key.
28
   *
29
   * @param key The key to adorn with start and stop definition tokens.
30
   * @return The given key bracketed by definition token symbols.
31
   */
32
  public String entoken( final String key ) {
33
    assert key != null;
34
    return getBegan() + key + getEnded();
35
  }
36
37
  /**
38
   * Removes start and stop definition key delimiters from the given key.
39
   *
40
   * @param key The key that may have start and stop tokens.
41
   * @return The given key with the delimiters removed.
42
   */
43
  public String detoken( final String key ) {
44
    final var began = getBegan();
45
    final var ended = getEnded();
46
    final int bLength = began.length();
47
    final int eLength = ended.length();
48
    final var bIndex = key.indexOf( began );
49
    final var eIndex = key.indexOf( ended, bIndex );
50
    final var kLength = key.length();
51
52
    return key.substring(
53
      bIndex == -1 ? 0 : bLength, eIndex == -1 ? kLength : kLength - eLength );
54
  }
55
}
156
A src/main/java/com/keenwrite/spelling/api/SpellCheckListener.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.spelling.api;
3
4
import java.util.function.BiConsumer;
5
6
/**
7
 * Represents an operation that accepts two input arguments and returns no
8
 * result. Unlike most other functional interfaces, this class is expected to
9
 * operate via side-effects.
10
 * <p>
11
 * This is used instead of a {@link BiConsumer} to avoid autoboxing.
12
 * </p>
13
 */
14
@FunctionalInterface
15
public interface SpellCheckListener {
16
17
  /**
18
   * Performs an operation on the given arguments.
19
   *
20
   * @param text        The text associated with a beginning and ending offset.
21
   * @param beganOffset A starting offset, used as an index into a string.
22
   * @param endedOffset An ending offset, which should equal text.length() +
23
   *                    beganOffset.
24
   */
25
  void accept( String text, int beganOffset, int endedOffset );
26
}
127
A src/main/java/com/keenwrite/spelling/api/SpellChecker.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.spelling.api;
3
4
import java.util.List;
5
6
/**
7
 * Defines the responsibilities for a spell checking API. The intention is
8
 * to allow different spell checking implementations to be used by the
9
 * application, such as SymSpell and LinSpell.
10
 */
11
public interface SpellChecker {
12
13
  /**
14
   * Answers whether the given lexeme, in whole, is found in the lexicon. The
15
   * lexicon lookup is performed case-insensitively. This method should be
16
   * used instead of {@link #suggestions(String, int)} for performance reasons.
17
   *
18
   * @param lexeme The word to check for correctness.
19
   * @return {@code true} if the lexeme is in the lexicon.
20
   */
21
  boolean inLexicon( String lexeme );
22
23
  /**
24
   * Gets a list of spelling corrections for the given lexeme.
25
   *
26
   * @param lexeme A word to check for correctness that's not in the lexicon.
27
   * @param count  The maximum number of alternatives to return.
28
   * @return A list of words in the lexicon that are similar to the given
29
   * lexeme.
30
   */
31
  List<String> suggestions( String lexeme, int count );
32
33
  /**
34
   * Iterates over the given text, emitting starting and ending offsets into
35
   * the text for every word that is missing from the lexicon.
36
   *
37
   * @param text     The text to check for words missing from the lexicon.
38
   * @param consumer Every missing word emits a message with the starting
39
   *                 and ending offset into the text where said word is found.
40
   */
41
  void proofread( String text, SpellCheckListener consumer );
42
}
143
A src/main/java/com/keenwrite/spelling/api/package-info.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
3
/**
4
 * This package contains interfaces for spell checking implementations.
5
 */
6
package com.keenwrite.spelling.api;
17
A src/main/java/com/keenwrite/spelling/impl/PermissiveSpeller.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.spelling.impl;
3
4
import com.keenwrite.spelling.api.SpellCheckListener;
5
import com.keenwrite.spelling.api.SpellChecker;
6
7
import java.util.List;
8
9
/**
10
 * Responsible for spell checking in the event that a real spell checking
11
 * implementation cannot be created (for any reason). Does not perform any
12
 * spell checking and indicates that any given lexeme is in the lexicon.
13
 */
14
public final class PermissiveSpeller implements SpellChecker {
15
  /**
16
   * Returns {@code true}, ignoring the given word.
17
   *
18
   * @param ignored Unused.
19
   * @return {@code true}
20
   */
21
  @Override
22
  public boolean inLexicon( final String ignored ) {
23
    return true;
24
  }
25
26
  /**
27
   * Returns an array with the given lexeme.
28
   *
29
   * @param lexeme  The word to return.
30
   * @param ignored Unused.
31
   * @return A suggestion list containing the given lexeme.
32
   */
33
  @Override
34
  public List<String> suggestions( final String lexeme, final int ignored ) {
35
    return List.of( lexeme );
36
  }
37
38
  /**
39
   * Performs no action.
40
   *
41
   * @param text    Unused.
42
   * @param ignored Uncalled.
43
   */
44
  @Override
45
  public void proofread(
46
      final String text, final SpellCheckListener ignored ) {
47
  }
48
}
149
A src/main/java/com/keenwrite/spelling/impl/SymSpellSpeller.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.spelling.impl;
3
4
import com.keenwrite.exceptions.MissingFileException;
5
import com.keenwrite.spelling.api.SpellCheckListener;
6
import com.keenwrite.spelling.api.SpellChecker;
7
import io.gitlab.rxp90.jsymspell.SuggestItem;
8
import io.gitlab.rxp90.jsymspell.SymSpell;
9
import io.gitlab.rxp90.jsymspell.SymSpellBuilder;
10
11
import java.io.BufferedReader;
12
import java.io.InputStreamReader;
13
import java.text.BreakIterator;
14
import java.util.ArrayList;
15
import java.util.Collection;
16
import java.util.List;
17
import java.util.stream.Collectors;
18
19
import static com.keenwrite.Constants.LEXICONS_DIRECTORY;
20
import static com.keenwrite.events.StatusEvent.clue;
21
import static io.gitlab.rxp90.jsymspell.SymSpell.Verbosity;
22
import static io.gitlab.rxp90.jsymspell.SymSpell.Verbosity.ALL;
23
import static io.gitlab.rxp90.jsymspell.SymSpell.Verbosity.CLOSEST;
24
import static java.lang.Character.isLetter;
25
import static java.nio.charset.StandardCharsets.UTF_8;
26
27
/**
28
 * Responsible for spell checking using {@link SymSpell}.
29
 */
30
public class SymSpellSpeller implements SpellChecker {
31
  private final BreakIterator mBreakIterator = BreakIterator.getWordInstance();
32
  private final SymSpell mSymSpell;
33
34
  /**
35
   * Creates a new spellchecker for a lexicon of words found in the specified
36
   * file.
37
   *
38
   * @param filename Lexicon language file (e.g., "en.txt").
39
   * @return An instance of {@link SpellChecker} that can check if a word
40
   * is correct and suggest alternatives, or {@link PermissiveSpeller} if the
41
   * lexicon cannot be loaded.
42
   */
43
  public static SpellChecker forLexicon( final String filename ) {
44
    try {
45
      final var lexicon = readLexicon( filename );
46
      return SymSpellSpeller.forLexicon( lexicon );
47
    } catch( final Exception ex ) {
48
      clue( ex );
49
      return new PermissiveSpeller();
50
    }
51
  }
52
53
  private static SpellChecker forLexicon(
54
    final Collection<String> lexiconWords ) {
55
    assert lexiconWords != null && !lexiconWords.isEmpty();
56
57
    final var builder = new SymSpellBuilder()
58
      .setLexiconWords( lexiconWords );
59
60
    return new SymSpellSpeller( builder.build() );
61
  }
62
63
  /**
64
   * Prevent direct instantiation so that only the {@link SpellChecker}
65
   * interface
66
   * is available.
67
   *
68
   * @param symSpell The implementation-specific spell checker.
69
   */
70
  private SymSpellSpeller( final SymSpell symSpell ) {
71
    mSymSpell = symSpell;
72
  }
73
74
  @Override
75
  public boolean inLexicon( final String lexeme ) {
76
    return lookup( lexeme, CLOSEST ).size() == 1;
77
  }
78
79
  @Override
80
  public List<String> suggestions( final String lexeme, int count ) {
81
    final List<String> result = new ArrayList<>( count );
82
83
    for( final var item : lookup( lexeme, ALL ) ) {
84
      if( count-- > 0 ) {
85
        result.add( item.getSuggestion() );
86
      }
87
      else {
88
        break;
89
      }
90
    }
91
92
    return result;
93
  }
94
95
  @Override
96
  public void proofread(
97
    final String text, final SpellCheckListener consumer ) {
98
    assert text != null;
99
    assert consumer != null;
100
101
    mBreakIterator.setText( text );
102
103
    int boundaryIndex = mBreakIterator.first();
104
    int previousIndex = 0;
105
106
    while( boundaryIndex != BreakIterator.DONE ) {
107
      final var lex =
108
        text.substring( previousIndex, boundaryIndex ).toLowerCase();
109
110
      // Get the lexeme for the possessive.
111
      final var pos = lex.endsWith( "'s" ) || lex.endsWith( "’s" );
112
      final var lexeme = pos ? lex.substring( 0, lex.length() - 2 ) : lex;
113
114
      if( isWord( lexeme ) && !inLexicon( lexeme ) ) {
115
        consumer.accept( lex, previousIndex, boundaryIndex );
116
      }
117
118
      previousIndex = boundaryIndex;
119
      boundaryIndex = mBreakIterator.next();
120
    }
121
  }
122
123
  @SuppressWarnings( "SameParameterValue" )
124
  private static Collection<String> readLexicon( final String filename )
125
    throws Exception {
126
    final var path = '/' + LEXICONS_DIRECTORY + '/' + filename;
127
128
    try( final var resource =
129
           SymSpellSpeller.class.getResourceAsStream( path ) ) {
130
      if( resource == null ) {
131
        throw new MissingFileException( path );
132
      }
133
134
      try( final var isr = new InputStreamReader( resource, UTF_8 );
135
           final var reader = new BufferedReader( isr ) ) {
136
        return reader.lines().collect( Collectors.toList() );
137
      }
138
    }
139
  }
140
141
  /**
142
   * Answers whether the given string is likely a word by checking the first
143
   * character.
144
   *
145
   * @param word The word to check.
146
   * @return {@code true} if the word begins with a letter.
147
   */
148
  private boolean isWord( final String word ) {
149
    return !word.isEmpty() && isLetter( word.charAt( 0 ) );
150
  }
151
152
  /**
153
   * Returns a list of {@link SuggestItem} instances that provide alternative
154
   * spellings for the given lexeme.
155
   *
156
   * @param lexeme A word to look up in the lexicon.
157
   * @param v      Influences the number of results returned.
158
   * @return Alternative lexemes.
159
   */
160
  private List<SuggestItem> lookup( final String lexeme, final Verbosity v ) {
161
    return mSymSpell.lookup( lexeme, v );
162
  }
163
}
1164
A src/main/java/com/keenwrite/spelling/impl/TextEditorSpeller.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.spelling.impl;
3
4
import com.keenwrite.spelling.api.SpellCheckListener;
5
import com.keenwrite.spelling.api.SpellChecker;
6
import com.vladsch.flexmark.parser.Parser;
7
import com.vladsch.flexmark.util.ast.NodeVisitor;
8
import com.vladsch.flexmark.util.ast.VisitHandler;
9
import org.fxmisc.richtext.StyleClassedTextArea;
10
import org.fxmisc.richtext.model.StyleSpansBuilder;
11
12
import java.util.Collection;
13
import java.util.concurrent.atomic.AtomicInteger;
14
15
import static com.keenwrite.spelling.impl.SymSpellSpeller.forLexicon;
16
import static java.util.Collections.emptyList;
17
import static java.util.Collections.singleton;
18
import static org.fxmisc.richtext.model.TwoDimensional.Bias.Forward;
19
20
/**
21
 * Responsible for checking the spelling of a document being edited.
22
 */
23
public final class TextEditorSpeller {
24
  /**
25
   * Only load the dictionary into memory once, because it's huge.
26
   */
27
  private static final SpellChecker sSpellChecker = forLexicon( "en.txt" );
28
29
  public TextEditorSpeller() {
30
  }
31
32
  /**
33
   * Delegates to {@link #spellcheck(StyleClassedTextArea, String, int)}.
34
   * call to spell check the entire document.
35
   */
36
  public void checkDocument( final StyleClassedTextArea editor ) {
37
    spellcheck( editor, editor.getText(), -1 );
38
  }
39
40
  /**
41
   * Listen for changes to the any particular paragraph and perform a quick
42
   * spell check upon it. The style classes in the editor will be changed to
43
   * mark any spelling mistakes in the paragraph. The user may then interact
44
   * with any misspelled word (i.e., any piece of text that is marked) to
45
   * revise the spelling.
46
   *
47
   * @param editor The text area containing paragraphs to spellcheck.
48
   */
49
  public void checkParagraphs( final StyleClassedTextArea editor ) {
50
    // Use the plain text changes so that notifications of style changes
51
    // are suppressed. Checking against the identity ensures that only
52
    // new text additions or deletions trigger proofreading.
53
    editor.plainTextChanges()
54
          .filter( p -> !p.isIdentity() ).subscribe( change -> {
55
56
      // Check current paragraph; the whole document was checked upon opening.
57
      final var offset = change.getPosition();
58
      final var position = editor.offsetToPosition( offset, Forward );
59
      final var paraId = position.getMajor();
60
      final var paragraph = editor.getParagraph( paraId );
61
      final var text = paragraph.getText();
62
63
      // Prevent doubling-up styles.
64
      editor.clearStyle( paraId );
65
66
      spellcheck( editor, text, paraId );
67
    } );
68
  }
69
70
  /**
71
   * Spellchecks a subset of the entire document.
72
   *
73
   * @param text   Look up words for this text in the lexicon.
74
   * @param paraId Set to -1 to apply resulting style spans to the entire
75
   *               text.
76
   */
77
  private void spellcheck(
78
    final StyleClassedTextArea editor, final String text, final int paraId ) {
79
    final var builder = new StyleSpansBuilder<Collection<String>>();
80
    final var runningIndex = new AtomicInteger( 0 );
81
82
    // The text nodes must be relayed through a contextual "visitor" that
83
    // can return text in chunks with correlative offsets into the string.
84
    // This allows Markdown, R Markdown, XML, and R XML documents to return
85
    // sets of words to check.
86
87
    final var node = mParser.parse( text );
88
    final var visitor = new TextVisitor( ( visited, bIndex, eIndex ) -> {
89
      // Treat hyphenated compound words as individual words.
90
      final var check = visited.replace( '-', ' ' );
91
92
      sSpellChecker.proofread( check, ( misspelled, prevIndex, currIndex ) -> {
93
        prevIndex += bIndex;
94
        currIndex += bIndex;
95
96
        // Clear styling between lexiconically absent words.
97
        builder.add( emptyList(), prevIndex - runningIndex.get() );
98
        builder.add( singleton( "spelling" ), currIndex - prevIndex );
99
        runningIndex.set( currIndex );
100
      } );
101
    } );
102
103
    visitor.visit( node );
104
105
    // If the running index was set, at least one word triggered the listener.
106
    if( runningIndex.get() > 0 ) {
107
      // Clear styling after the last lexiconically absent word.
108
      builder.add( emptyList(), text.length() - runningIndex.get() );
109
110
      final var spans = builder.create();
111
112
      if( paraId >= 0 ) {
113
        editor.setStyleSpans( paraId, 0, spans );
114
      }
115
      else {
116
        editor.setStyleSpans( 0, spans );
117
      }
118
    }
119
  }
120
121
  /**
122
   * TODO: #59 -- Replace using Markdown processor instantiated for Markdown
123
   * files.
124
   */
125
  private final Parser mParser = Parser.builder().build();
126
127
  /**
128
   * TODO: #59 -- Replace with generic interface; provide Markdown/XML
129
   * implementations.
130
   */
131
  private static final class TextVisitor {
132
    private final NodeVisitor mVisitor = new NodeVisitor( new VisitHandler<>(
133
      com.vladsch.flexmark.ast.Text.class, this::visit )
134
    );
135
136
    private final SpellCheckListener mConsumer;
137
138
    public TextVisitor( final SpellCheckListener consumer ) {
139
      mConsumer = consumer;
140
    }
141
142
    private void visit( final com.vladsch.flexmark.util.ast.Node node ) {
143
      if( node instanceof com.vladsch.flexmark.ast.Text ) {
144
        mConsumer.accept( node.getChars().toString(),
145
                          node.getStartOffset(),
146
                          node.getEndOffset() );
147
      }
148
149
      mVisitor.visitChildren( node );
150
    }
151
  }
152
}
1153
A src/main/java/com/keenwrite/spelling/impl/package-info.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
3
/**
4
 * This package contains classes for spell checking implementations.
5
 */
6
package com.keenwrite.spelling.impl;
17
A src/main/java/com/keenwrite/ui/actions/Action.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.actions;
3
4
import com.keenwrite.Constants;
5
import com.keenwrite.Messages;
6
import com.keenwrite.util.GenericBuilder;
7
import de.jensd.fx.glyphs.GlyphIcons;
8
import de.jensd.fx.glyphs.fontawesome.FontAwesomeIcon;
9
import javafx.event.ActionEvent;
10
import javafx.event.EventHandler;
11
import javafx.scene.control.Button;
12
import javafx.scene.control.Menu;
13
import javafx.scene.control.MenuItem;
14
import javafx.scene.control.Tooltip;
15
import javafx.scene.input.KeyCombination;
16
17
import java.util.ArrayList;
18
import java.util.List;
19
20
import static com.keenwrite.Constants.ACTION_PREFIX;
21
import static de.jensd.fx.glyphs.fontawesome.utils.FontAwesomeIconFactory.get;
22
import static javafx.scene.input.KeyCombination.valueOf;
23
24
/**
25
 * Defines actions the user can take through GUI interactions
26
 */
27
public final class Action implements MenuAction {
28
  private final String mText;
29
  private final KeyCombination mAccelerator;
30
  private final GlyphIcons mIcon;
31
  private final EventHandler<ActionEvent> mHandler;
32
  private final List<MenuAction> mSubActions = new ArrayList<>();
33
34
  public Action(
35
    final String text,
36
    final String accelerator,
37
    final GlyphIcons icon,
38
    final EventHandler<ActionEvent> handler ) {
39
    assert text != null;
40
    assert handler != null;
41
42
    mText = text;
43
    mAccelerator = accelerator == null ? null : valueOf( accelerator );
44
    mIcon = icon;
45
    mHandler = handler;
46
  }
47
48
  /**
49
   * Runs this action. Most actions are mapped to menu items, but some actions
50
   * (such as the Insert key to toggle overwrite mode) are not.
51
   */
52
  public void execute() {
53
    mHandler.handle( new ActionEvent() );
54
  }
55
56
  @Override
57
  public MenuItem createMenuItem() {
58
    // This will either become a menu or a menu item, depending on whether
59
    // sub-actions are defined.
60
    final MenuItem menuItem;
61
62
    if( mSubActions.isEmpty() ) {
63
      // Regular menu item has no sub-menus.
64
      menuItem = new MenuItem( mText );
65
    }
66
    else {
67
      // Sub-actions are translated into sub-menu items beneath this action.
68
      final var submenu = new Menu( mText );
69
70
      for( final var action : mSubActions ) {
71
        // Recursive call that creates a sub-menu hierarchy.
72
        submenu.getItems().add( action.createMenuItem() );
73
      }
74
75
      menuItem = submenu;
76
    }
77
78
    if( mAccelerator != null ) {
79
      menuItem.setAccelerator( mAccelerator );
80
    }
81
82
    if( mIcon != null ) {
83
      menuItem.setGraphic( get().createIcon( mIcon ) );
84
    }
85
86
    menuItem.setOnAction( mHandler );
87
88
    return menuItem;
89
  }
90
91
  @Override
92
  public Button createToolBarNode() {
93
    final var button = createIconButton();
94
    var tooltip = mText;
95
96
    if( tooltip.endsWith( "..." ) ) {
97
      tooltip = tooltip.substring( 0, tooltip.length() - 3 );
98
    }
99
100
    if( mAccelerator != null ) {
101
      tooltip += " (" + mAccelerator.getDisplayText() + ')';
102
    }
103
104
    button.setTooltip( new Tooltip( tooltip ) );
105
    button.setFocusTraversable( false );
106
    button.setOnAction( mHandler );
107
108
    return button;
109
  }
110
111
  private Button createIconButton() {
112
    final var button = new Button();
113
    button.setGraphic( get().createIcon( mIcon, Constants.ICON_SIZE_DEFAULT ) );
114
    return button;
115
  }
116
117
  /**
118
   * Adds subordinate actions to the menu. This is used to establish sub-menu
119
   * relationships. The default behaviour does not wire up any registration;
120
   * subclasses are responsible for handling how actions relate to one another.
121
   *
122
   * @param action Actions that only exist with respect to this action.
123
   */
124
  public MenuAction addSubActions( final MenuAction... action ) {
125
    mSubActions.addAll( List.of( action ) );
126
    return this;
127
  }
128
129
  /**
130
   * TODO: Reuse the {@link GenericBuilder}.
131
   *
132
   * @return The {@link Builder} for an instance of {@link Action}.
133
   */
134
  public static Builder builder() {
135
    return new Builder();
136
  }
137
138
  /**
139
   * Provides a fluent interface around constructing actions so that duplication
140
   * can be avoided.
141
   */
142
  public static class Builder {
143
    private String mText;
144
    private String mAccelerator;
145
    private GlyphIcons mIcon;
146
    private EventHandler<ActionEvent> mHandler;
147
148
    /**
149
     * Sets the text, icon, and accelerator for a given action identifier.
150
     * See the messages properties file for details.
151
     *
152
     * @param id The identifier to look up in the properties file.
153
     * @return An instance of {@link Builder} that can be built into an
154
     * instance of {@link Action}.
155
     */
156
    public Builder setId( final String id ) {
157
      final var prefix = ACTION_PREFIX + id + ".";
158
      final var text = prefix + "text";
159
      final var icon = prefix + "icon";
160
      final var accelerator = prefix + "accelerator";
161
      final var builder = setText( text ).setIcon( icon );
162
163
      return Messages.containsKey( accelerator )
164
        ? builder.setAccelerator( Messages.get( accelerator ) )
165
        : builder;
166
    }
167
168
    /**
169
     * Sets the action text based on a resource bundle key.
170
     *
171
     * @param key The key to look up in the {@link Messages}.
172
     * @return The corresponding value, or the key name if none found.
173
     */
174
    private Builder setText( final String key ) {
175
      mText = Messages.get( key, key );
176
      return this;
177
    }
178
179
    private Builder setAccelerator( final String accelerator ) {
180
      mAccelerator = accelerator;
181
      return this;
182
    }
183
184
    private Builder setIcon( final GlyphIcons icon ) {
185
      mIcon = icon;
186
      return this;
187
    }
188
189
    private Builder setIcon( final String iconKey ) {
190
      assert iconKey != null;
191
192
      final var iconValue = Messages.get( iconKey );
193
194
      return iconKey.equals( iconValue )
195
        ? this
196
        : setIcon( getIcon( iconValue ) );
197
    }
198
199
    public Builder setHandler( final EventHandler<ActionEvent> handler ) {
200
      mHandler = handler;
201
      return this;
202
    }
203
204
    public Action build() {
205
      return new Action( mText, mAccelerator, mIcon, mHandler );
206
    }
207
208
    private GlyphIcons getIcon( final String name ) {
209
      return FontAwesomeIcon.valueOf( name.toUpperCase() );
210
    }
211
  }
212
}
1213
A src/main/java/com/keenwrite/ui/actions/ApplicationActions.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.actions;
3
4
import com.keenwrite.ExportFormat;
5
import com.keenwrite.MainPane;
6
import com.keenwrite.MainScene;
7
import com.keenwrite.editors.TextDefinition;
8
import com.keenwrite.editors.TextEditor;
9
import com.keenwrite.editors.markdown.HyperlinkModel;
10
import com.keenwrite.editors.markdown.LinkVisitor;
11
import com.keenwrite.preferences.PreferencesController;
12
import com.keenwrite.preferences.Workspace;
13
import com.keenwrite.processors.markdown.MarkdownProcessor;
14
import com.keenwrite.search.SearchModel;
15
import com.keenwrite.ui.controls.SearchBar;
16
import com.keenwrite.ui.dialogs.ImageDialog;
17
import com.keenwrite.ui.dialogs.LinkDialog;
18
import com.keenwrite.ui.logging.LogView;
19
import com.vladsch.flexmark.ast.Link;
20
import javafx.scene.control.Alert;
21
import javafx.scene.control.Dialog;
22
import javafx.stage.Window;
23
import javafx.stage.WindowEvent;
24
25
import static com.keenwrite.Bootstrap.*;
26
import static com.keenwrite.Constants.ICON_DIALOG_NODE;
27
import static com.keenwrite.ExportFormat.*;
28
import static com.keenwrite.Messages.get;
29
import static com.keenwrite.events.StatusEvent.clue;
30
import static com.keenwrite.preferences.WorkspaceKeys.KEY_UI_RECENT_DIR;
31
import static com.keenwrite.processors.ProcessorFactory.createProcessors;
32
import static java.nio.file.Files.writeString;
33
import static javafx.event.Event.fireEvent;
34
import static javafx.scene.control.Alert.AlertType.INFORMATION;
35
import static javafx.stage.WindowEvent.WINDOW_CLOSE_REQUEST;
36
37
/**
38
 * Responsible for abstracting how functionality is mapped to the application.
39
 * This allows users to customize accelerator keys and will provide pluggable
40
 * functionality so that different text markup languages can change documents
41
 * using their respective syntax.
42
 */
43
@SuppressWarnings( "NonAsciiCharacters" )
44
public final class ApplicationActions {
45
  private static final String STYLE_SEARCH = "search";
46
47
  /**
48
   * When an action is executed, this is one of the recipients.
49
   */
50
  private final MainPane mMainPane;
51
52
  private final MainScene mMainScene;
53
54
  private final LogView mLogView;
55
56
  /**
57
   * Tracks finding text in the active document.
58
   */
59
  private final SearchModel mSearchModel;
60
61
  public ApplicationActions( final MainScene scene, final MainPane pane ) {
62
    mMainScene = scene;
63
    mMainPane = pane;
64
    mLogView = new LogView();
65
    mSearchModel = new SearchModel();
66
    mSearchModel.matchOffsetProperty().addListener( ( c, o, n ) -> {
67
      final var editor = getActiveTextEditor();
68
69
      // Clear highlighted areas before highlighting a new region.
70
      if( o != null ) {
71
        editor.unstylize( STYLE_SEARCH );
72
      }
73
74
      if( n != null ) {
75
        editor.moveTo( n.getStart() );
76
        editor.stylize( n, STYLE_SEARCH );
77
      }
78
    } );
79
80
    // When the active text editor changes, update the haystack.
81
    mMainPane.activeTextEditorProperty().addListener(
82
      ( c, o, n ) -> mSearchModel.search( getActiveTextEditor().getText() )
83
    );
84
  }
85
86
  public void file‿new() {
87
    getMainPane().newTextEditor();
88
  }
89
90
  public void file‿open() {
91
    getMainPane().open( createFileChooser().openFiles() );
92
  }
93
94
  public void file‿close() {
95
    getMainPane().close();
96
  }
97
98
  public void file‿close_all() {
99
    getMainPane().closeAll();
100
  }
101
102
  public void file‿save() {
103
    getMainPane().save();
104
  }
105
106
  public void file‿save_as() {
107
    final var file = createFileChooser().saveAs();
108
    file.ifPresent( ( f ) -> getMainPane().saveAs( f ) );
109
  }
110
111
  public void file‿save_all() {
112
    getMainPane().saveAll();
113
  }
114
115
  public void file‿export‿html_svg() {
116
    file‿export( HTML_TEX_SVG );
117
  }
118
119
  public void file‿export‿html_tex() {
120
    file‿export( HTML_TEX_DELIMITED );
121
  }
122
123
  public void file‿export‿markdown() {
124
    file‿export( MARKDOWN_PLAIN );
125
  }
126
127
  private void file‿export( final ExportFormat format ) {
128
    final var main = getMainPane();
129
    final var context = main.createProcessorContext( format );
130
    final var chain = createProcessors( context );
131
    final var editor = main.getActiveTextEditor();
132
    final var doc = editor.getText();
133
    final var export = chain.apply( doc );
134
    final var filename = format.toExportFilename( editor.getPath() );
135
    final var chooser = createFileChooser();
136
    final var file = chooser.exportAs( filename );
137
138
    file.ifPresent( ( f ) -> {
139
      try {
140
        writeString( f.toPath(), export );
141
        clue( get( "Main.status.export.success", f.toString() ) );
142
      } catch( final Exception ex ) {
143
        clue( ex );
144
      }
145
    } );
146
  }
147
148
  public void file‿exit() {
149
    final var window = getWindow();
150
    fireEvent( window, new WindowEvent( window, WINDOW_CLOSE_REQUEST ) );
151
  }
152
153
  public void edit‿undo() {
154
    getActiveTextEditor().undo();
155
  }
156
157
  public void edit‿redo() {
158
    getActiveTextEditor().redo();
159
  }
160
161
  public void edit‿cut() {
162
    getActiveTextEditor().cut();
163
  }
164
165
  public void edit‿copy() {
166
    getActiveTextEditor().copy();
167
  }
168
169
  public void edit‿paste() {
170
    getActiveTextEditor().paste();
171
  }
172
173
  public void edit‿select_all() {
174
    getActiveTextEditor().selectAll();
175
  }
176
177
  public void edit‿find() {
178
    final var nodes = getMainScene().getStatusBar().getLeftItems();
179
180
    if( nodes.isEmpty() ) {
181
      final var searchBar = new SearchBar();
182
183
      searchBar.matchIndexProperty().bind( mSearchModel.matchIndexProperty() );
184
      searchBar.matchCountProperty().bind( mSearchModel.matchCountProperty() );
185
186
      searchBar.setOnCancelAction( ( event ) -> {
187
        final var editor = getActiveTextEditor();
188
        nodes.remove( searchBar );
189
        editor.unstylize( STYLE_SEARCH );
190
        editor.getNode().requestFocus();
191
      } );
192
193
      searchBar.addInputListener( ( c, o, n ) -> {
194
        if( n != null && !n.isEmpty() ) {
195
          mSearchModel.search( n, getActiveTextEditor().getText() );
196
        }
197
      } );
198
199
      searchBar.setOnNextAction( ( event ) -> edit‿find_next() );
200
      searchBar.setOnPrevAction( ( event ) -> edit‿find_prev() );
201
202
      nodes.add( searchBar );
203
      searchBar.requestFocus();
204
    }
205
    else {
206
      nodes.clear();
207
    }
208
  }
209
210
  public void edit‿find_next() {
211
    mSearchModel.advance();
212
  }
213
214
  public void edit‿find_prev() {
215
    mSearchModel.retreat();
216
  }
217
218
  public void edit‿preferences() {
219
    new PreferencesController( getWorkspace() ).show();
220
  }
221
222
  public void format‿bold() {
223
    getActiveTextEditor().bold();
224
  }
225
226
  public void format‿italic() {
227
    getActiveTextEditor().italic();
228
  }
229
230
  public void format‿superscript() {
231
    getActiveTextEditor().superscript();
232
  }
233
234
  public void format‿subscript() {
235
    getActiveTextEditor().subscript();
236
  }
237
238
  public void format‿strikethrough() {
239
    getActiveTextEditor().strikethrough();
240
  }
241
242
  public void insert‿blockquote() {
243
    getActiveTextEditor().blockquote();
244
  }
245
246
  public void insert‿code() {
247
    getActiveTextEditor().code();
248
  }
249
250
  public void insert‿fenced_code_block() {
251
    getActiveTextEditor().fencedCodeBlock();
252
  }
253
254
  public void insert‿link() {
255
    insertObject( createLinkDialog() );
256
  }
257
258
  public void insert‿image() {
259
    insertObject( createImageDialog() );
260
  }
261
262
  private void insertObject( final Dialog<String> dialog ) {
263
    final var textArea = getActiveTextEditor().getTextArea();
264
    dialog.showAndWait().ifPresent( textArea::replaceSelection );
265
  }
266
267
  private Dialog<String> createLinkDialog() {
268
    return new LinkDialog( getWindow(), createHyperlinkModel() );
269
  }
270
271
  private Dialog<String> createImageDialog() {
272
    final var path = getActiveTextEditor().getPath();
273
    final var parentDir = path.getParent();
274
    return new ImageDialog( getWindow(), parentDir );
275
  }
276
277
  /**
278
   * Returns one of: selected text, word under cursor, or parsed hyperlink from
279
   * the Markdown AST.
280
   *
281
   * @return An instance containing the link URL and display text.
282
   */
283
  private HyperlinkModel createHyperlinkModel() {
284
    final var context = getMainPane().createProcessorContext();
285
    final var editor = getActiveTextEditor();
286
    final var textArea = editor.getTextArea();
287
    final var selectedText = textArea.getSelectedText();
288
289
    // Convert current paragraph to Markdown nodes.
290
    final var mp = MarkdownProcessor.create( context );
291
    final var p = textArea.getCurrentParagraph();
292
    final var paragraph = textArea.getText( p );
293
    final var node = mp.toNode( paragraph );
294
    final var visitor = new LinkVisitor( textArea.getCaretColumn() );
295
    final var link = visitor.process( node );
296
297
    if( link != null ) {
298
      textArea.selectRange( p, link.getStartOffset(), p, link.getEndOffset() );
299
    }
300
301
    return createHyperlinkModel( link, selectedText );
302
  }
303
304
  private HyperlinkModel createHyperlinkModel(
305
    final Link link, final String selection ) {
306
307
    return link == null
308
      ? new HyperlinkModel( selection, "https://localhost" )
309
      : new HyperlinkModel( link );
310
  }
311
312
  public void insert‿heading_1() {
313
    insert‿heading( 1 );
314
  }
315
316
  public void insert‿heading_2() {
317
    insert‿heading( 2 );
318
  }
319
320
  public void insert‿heading_3() {
321
    insert‿heading( 3 );
322
  }
323
324
  private void insert‿heading( final int level ) {
325
    getActiveTextEditor().heading( level );
326
  }
327
328
  public void insert‿unordered_list() {
329
    getActiveTextEditor().unorderedList();
330
  }
331
332
  public void insert‿ordered_list() {
333
    getActiveTextEditor().orderedList();
334
  }
335
336
  public void insert‿horizontal_rule() {
337
    getActiveTextEditor().horizontalRule();
338
  }
339
340
  public void definition‿create() {
341
    getActiveTextDefinition().createDefinition();
342
  }
343
344
  public void definition‿rename() {
345
    getActiveTextDefinition().renameDefinition();
346
  }
347
348
  public void definition‿delete() {
349
    getActiveTextDefinition().deleteDefinitions();
350
  }
351
352
  public void definition‿autoinsert() {
353
    getMainPane().autoinsert();
354
  }
355
356
  public void view‿refresh() {
357
    getMainPane().viewRefresh();
358
  }
359
360
  public void view‿preview() {
361
    getMainPane().viewPreview();
362
  }
363
364
  public void view‿outline() {
365
    getMainPane().viewOutline();
366
  }
367
368
  public void view‿statistics() {
369
    getMainPane().viewStatistics();
370
  }
371
372
  public void view‿menubar() {
373
    getMainScene().toggleMenuBar();
374
  }
375
376
  public void view‿toolbar() {
377
    getMainScene().toggleToolBar();
378
  }
379
380
  public void view‿statusbar() {
381
    getMainScene().toggleStatusBar();
382
  }
383
384
  public void view‿issues() {
385
    mLogView.view();
386
  }
387
388
  public void help‿about() {
389
    final var alert = new Alert( INFORMATION );
390
    final var prefix = "Dialog.about.";
391
    alert.setTitle( get( prefix + "title", APP_TITLE ) );
392
    alert.setHeaderText( get( prefix + "header", APP_TITLE ) );
393
    alert.setContentText( get( prefix + "content", APP_YEAR, APP_VERSION ) );
394
    alert.setGraphic( ICON_DIALOG_NODE );
395
    alert.initOwner( getWindow() );
396
    alert.showAndWait();
397
  }
398
399
  private FileChooserCommand createFileChooser() {
400
    final var dir = getWorkspace().fileProperty( KEY_UI_RECENT_DIR );
401
    return new FileChooserCommand( getWindow(), dir );
402
  }
403
404
  private TextEditor getActiveTextEditor() {
405
    return getMainPane().getActiveTextEditor();
406
  }
407
408
  private TextDefinition getActiveTextDefinition() {
409
    return getMainPane().getActiveTextDefinition();
410
  }
411
412
  private MainScene getMainScene() {
413
    return mMainScene;
414
  }
415
416
  private MainPane getMainPane() {
417
    return mMainPane;
418
  }
419
420
  private Workspace getWorkspace() {
421
    return mMainPane.getWorkspace();
422
  }
423
424
  private Window getWindow() {
425
    return getMainPane().getWindow();
426
  }
427
}
1428
A src/main/java/com/keenwrite/ui/actions/ApplicationBars.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.actions;
3
4
import com.keenwrite.ui.controls.EventedStatusBar;
5
import javafx.event.ActionEvent;
6
import javafx.event.EventHandler;
7
import javafx.scene.Node;
8
import javafx.scene.control.Menu;
9
import javafx.scene.control.MenuBar;
10
import javafx.scene.control.MenuItem;
11
import javafx.scene.control.ToolBar;
12
import org.controlsfx.control.StatusBar;
13
14
import java.util.HashMap;
15
import java.util.Map;
16
17
import static com.keenwrite.Messages.get;
18
19
/**
20
 * Responsible for wiring all application actions to menus, toolbar buttons,
21
 * and keyboard shortcuts.
22
 */
23
public final class ApplicationBars {
24
25
  private static final Map<String, Action> sMap = new HashMap<>( 64 );
26
27
  /**
28
   * Empty constructor.
29
   */
30
  public ApplicationBars() {
31
  }
32
33
  /**
34
   * Creates the main application affordances.
35
   *
36
   * @param actions The {@link ApplicationActions} that map user interface
37
   *                selections to executable code.
38
   * @return An instance of {@link MenuBar} that contains the menu.
39
   */
40
  public static MenuBar createMenuBar( final ApplicationActions actions ) {
41
    final var SEPARATOR_ACTION = new SeparatorAction();
42
43
    //@formatter:off
44
    return new MenuBar(
45
    createMenu(
46
      get( "Main.menu.file" ),
47
      addAction( "file.new", e -> actions.file‿new() ),
48
      addAction( "file.open", e -> actions.file‿open() ),
49
      SEPARATOR_ACTION,
50
      addAction( "file.close", e -> actions.file‿close() ),
51
      addAction( "file.close_all", e -> actions.file‿close_all() ),
52
      SEPARATOR_ACTION,
53
      addAction( "file.save", e -> actions.file‿save() ),
54
      addAction( "file.save_as", e -> actions.file‿save_as() ),
55
      addAction( "file.save_all", e -> actions.file‿save_all() ),
56
      SEPARATOR_ACTION,
57
      addAction( "file.export", e -> {} )
58
        .addSubActions(
59
          addAction( "file.export.html_svg", e -> actions.file‿export‿html_svg() ),
60
          addAction( "file.export.html_tex", e -> actions.file‿export‿html_tex() ),
61
          addAction( "file.export.markdown", e -> actions.file‿export‿markdown() )
62
        ),
63
      SEPARATOR_ACTION,
64
      addAction( "file.exit", e -> actions.file‿exit() )
65
    ),
66
    createMenu(
67
      get( "Main.menu.edit" ),
68
      SEPARATOR_ACTION,
69
      addAction( "edit.undo", e -> actions.edit‿undo() ),
70
      addAction( "edit.redo", e -> actions.edit‿redo() ),
71
      SEPARATOR_ACTION,
72
      addAction( "edit.cut", e -> actions.edit‿cut() ),
73
      addAction( "edit.copy", e -> actions.edit‿copy() ),
74
      addAction( "edit.paste", e -> actions.edit‿paste() ),
75
      addAction( "edit.select_all", e -> actions.edit‿select_all() ),
76
      SEPARATOR_ACTION,
77
      addAction( "edit.find", e -> actions.edit‿find() ),
78
      addAction( "edit.find_next", e -> actions.edit‿find_next() ),
79
      addAction( "edit.find_prev", e -> actions.edit‿find_prev() ),
80
      SEPARATOR_ACTION,
81
      addAction( "edit.preferences", e -> actions.edit‿preferences() )
82
    ),
83
    createMenu(
84
      get( "Main.menu.format" ),
85
      addAction( "format.bold", e -> actions.format‿bold() ),
86
      addAction( "format.italic", e -> actions.format‿italic() ),
87
      addAction( "format.superscript", e -> actions.format‿superscript() ),
88
      addAction( "format.subscript", e -> actions.format‿subscript() ),
89
      addAction( "format.strikethrough", e -> actions.format‿strikethrough() )
90
    ),
91
    createMenu(
92
      get( "Main.menu.insert" ),
93
      addAction( "insert.blockquote", e -> actions.insert‿blockquote() ),
94
      addAction( "insert.code", e -> actions.insert‿code() ),
95
      addAction( "insert.fenced_code_block", e -> actions.insert‿fenced_code_block() ),
96
      SEPARATOR_ACTION,
97
      addAction( "insert.link", e -> actions.insert‿link() ),
98
      addAction( "insert.image", e -> actions.insert‿image() ),
99
      SEPARATOR_ACTION,
100
      addAction( "insert.heading_1", e -> actions.insert‿heading_1() ),
101
      addAction( "insert.heading_2", e -> actions.insert‿heading_2() ),
102
      addAction( "insert.heading_3", e -> actions.insert‿heading_3() ),
103
      SEPARATOR_ACTION,
104
      addAction( "insert.unordered_list", e -> actions.insert‿unordered_list() ),
105
      addAction( "insert.ordered_list", e -> actions.insert‿ordered_list() ),
106
      addAction( "insert.horizontal_rule", e -> actions.insert‿horizontal_rule() )
107
    ),
108
    createMenu(
109
      get( "Main.menu.definition" ),
110
      addAction( "definition.insert", e -> actions.definition‿autoinsert() ),
111
      SEPARATOR_ACTION,
112
      addAction( "definition.create", e -> actions.definition‿create() ),
113
      addAction( "definition.rename", e -> actions.definition‿rename() ),
114
      addAction( "definition.delete", e -> actions.definition‿delete() )
115
    ),
116
    createMenu(
117
      get( "Main.menu.view" ),
118
      addAction( "view.refresh", e -> actions.view‿refresh() ),
119
      SEPARATOR_ACTION,
120
      addAction( "view.preview", e -> actions.view‿preview() ),
121
      addAction( "view.outline", e -> actions.view‿outline() ),
122
      addAction( "view.statistics", e-> actions.view‿statistics() ),
123
      SEPARATOR_ACTION,
124
      addAction( "view.menubar", e -> actions.view‿menubar() ),
125
      addAction( "view.toolbar", e -> actions.view‿toolbar() ),
126
      addAction( "view.statusbar", e -> actions.view‿statusbar() ),
127
      SEPARATOR_ACTION,
128
      addAction( "view.issues", e -> actions.view‿issues() )
129
    ),
130
    createMenu(
131
      get( "Main.menu.help" ),
132
      addAction( "help.about", e -> actions.help‿about() )
133
    ) );
134
    //@formatter:on
135
  }
136
137
  public static Node createToolBar() {
138
    final var SEPARATOR_ACTION = new SeparatorAction();
139
140
    return createToolBar(
141
      getAction( "file.new" ),
142
      getAction( "file.open" ),
143
      getAction( "file.save" ),
144
      SEPARATOR_ACTION,
145
      getAction( "edit.undo" ),
146
      getAction( "edit.redo" ),
147
      getAction( "edit.cut" ),
148
      getAction( "edit.copy" ),
149
      getAction( "edit.paste" ),
150
      SEPARATOR_ACTION,
151
      getAction( "format.bold" ),
152
      getAction( "format.italic" ),
153
      getAction( "format.superscript" ),
154
      getAction( "format.subscript" ),
155
      getAction( "insert.blockquote" ),
156
      getAction( "insert.code" ),
157
      getAction( "insert.fenced_code_block" ),
158
      SEPARATOR_ACTION,
159
      getAction( "insert.link" ),
160
      getAction( "insert.image" ),
161
      SEPARATOR_ACTION,
162
      getAction( "insert.heading_1" ),
163
      SEPARATOR_ACTION,
164
      getAction( "insert.unordered_list" ),
165
      getAction( "insert.ordered_list" )
166
    );
167
  }
168
169
  public static StatusBar createStatusBar() {
170
    return new EventedStatusBar();
171
  }
172
173
  /**
174
   * Adds a new action to the list of actions.
175
   *
176
   * @param key     The name of the action to register in {@link #sMap}.
177
   * @param handler Performs the action upon request.
178
   * @return The newly registered action.
179
   */
180
  private static Action addAction(
181
    final String key, final EventHandler<ActionEvent> handler ) {
182
    assert key != null;
183
    assert handler != null;
184
185
    final var action = Action
186
      .builder()
187
      .setId( key )
188
      .setHandler( handler )
189
      .build();
190
191
    sMap.put( key, action );
192
193
    return action;
194
  }
195
196
  private static Action getAction( final String key ) {
197
    return sMap.get( key );
198
  }
199
200
  public static Menu createMenu(
201
    final String text, final MenuAction... actions ) {
202
    return new Menu( text, null, createMenuItems( actions ) );
203
  }
204
205
  public static MenuItem[] createMenuItems( final MenuAction... actions ) {
206
    final var menuItems = new MenuItem[ actions.length ];
207
208
    for( var i = 0; i < actions.length; i++ ) {
209
      menuItems[ i ] = actions[ i ].createMenuItem();
210
    }
211
212
    return menuItems;
213
  }
214
215
  private static ToolBar createToolBar( final MenuAction... actions ) {
216
    return new ToolBar( createToolBarButtons( actions ) );
217
  }
218
219
  private static Node[] createToolBarButtons( final MenuAction... actions ) {
220
    final var len = actions.length;
221
    final var nodes = new Node[ len ];
222
223
    for( var i = 0; i < len; i++ ) {
224
      nodes[ i ] = actions[ i ].createToolBarNode();
225
    }
226
227
    return nodes;
228
  }
229
}
1230
A src/main/java/com/keenwrite/ui/actions/FileChooserCommand.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.actions;
3
4
import com.keenwrite.Messages;
5
import com.keenwrite.io.FileType;
6
import com.keenwrite.service.Settings;
7
import javafx.beans.property.Property;
8
import javafx.stage.FileChooser;
9
import javafx.stage.FileChooser.ExtensionFilter;
10
import javafx.stage.Window;
11
12
import java.io.File;
13
import java.util.ArrayList;
14
import java.util.List;
15
import java.util.Optional;
16
17
import static com.keenwrite.Constants.*;
18
import static com.keenwrite.Messages.get;
19
import static com.keenwrite.io.FileType.*;
20
import static java.lang.String.format;
21
22
/**
23
 * Responsible for opening a dialog that provides users with the ability to
24
 * select files.
25
 */
26
public final class FileChooserCommand {
27
  private static final String FILTER_EXTENSION_TITLES =
28
    "Dialog.file.choose.filter";
29
30
  /**
31
   * Dialog owner.
32
   */
33
  private final Window mParent;
34
35
  /**
36
   * Set to the directory of most recently selected file.
37
   */
38
  private final Property<File> mDirectory;
39
40
  /**
41
   * Constructs a new {@link FileChooserCommand} that will attach to a given
42
   * parent window and update the given property upon a successful selection.
43
   *
44
   * @param parent    The parent window that will own the dialog.
45
   * @param directory The most recently opened file's directory property.
46
   */
47
  public FileChooserCommand(
48
    final Window parent, final Property<File> directory ) {
49
    mParent = parent;
50
    mDirectory = directory;
51
  }
52
53
  /**
54
   * Returns a list of files to be opened.
55
   *
56
   * @return A non-null, possibly empty list of files to open.
57
   */
58
  public List<File> openFiles() {
59
    final var dialog = createFileChooser(
60
      "Dialog.file.choose.open.title" );
61
    final var list = dialog.showOpenMultipleDialog( mParent );
62
    final List<File> selected = list == null ? List.of() : list;
63
    final var files = new ArrayList<File>( selected.size() );
64
65
    files.addAll( selected );
66
67
    if( !files.isEmpty() ) {
68
      setRecentDirectory( files.get( 0 ) );
69
    }
70
71
    return files;
72
  }
73
74
  /**
75
   * Allows saving the document under a new file name.
76
   *
77
   * @return The new file name.
78
   */
79
  public Optional<File> saveAs() {
80
    final var dialog = createFileChooser( "Dialog.file.choose.save.title" );
81
    return saveOrExportAs( dialog );
82
  }
83
84
  /**
85
   * Allows exporting the document to a new file format.
86
   *
87
   * @return The file name for exporting into.
88
   */
89
  public Optional<File> exportAs( final File filename ) {
90
    final var dialog = createFileChooser( "Dialog.file.choose.export.title" );
91
    dialog.setInitialFileName( filename.getName() );
92
    return saveOrExportAs( dialog );
93
  }
94
95
  /**
96
   * Helper method called when saving or exporting.
97
   *
98
   * @param dialog The {@link FileChooser} to display.
99
   * @return The file selected by the user.
100
   */
101
  private Optional<File> saveOrExportAs( final FileChooser dialog ) {
102
    final var file = dialog.showSaveDialog( mParent );
103
104
    setRecentDirectory( file );
105
106
    return Optional.ofNullable( file );
107
  }
108
109
  /**
110
   * Opens a new {@link FileChooser} at the previously selected directory.
111
   * If the initial directory is missing, this will attempt to default to
112
   * the user's home directory. If the home directory is missing, this will
113
   * use whatever JavaFX chooses for the initial directory. Without such an
114
   * intervention, an {@link IllegalArgumentException} would be thrown.
115
   *
116
   * @param key Message key from resource bundle.
117
   * @return {@link FileChooser} GUI allowing the user to pick a file.
118
   */
119
  private FileChooser createFileChooser( final String key ) {
120
    final var prefDir = mDirectory.getValue();
121
    final var openDir = prefDir.isDirectory() ? prefDir : USER_DIRECTORY;
122
    final var chooser = new FileChooser();
123
124
    chooser.setTitle( get( key ) );
125
    chooser.getExtensionFilters().addAll( createExtensionFilters() );
126
    chooser.setInitialDirectory( openDir.isDirectory() ? openDir : null );
127
128
    return chooser;
129
  }
130
131
  private List<ExtensionFilter> createExtensionFilters() {
132
    final List<ExtensionFilter> list = new ArrayList<>();
133
134
    // TODO: Return a list of all properties that match the filter prefix.
135
    // This will allow dynamic filters to be added and removed just by
136
    // updating the properties file.
137
    list.add( createExtensionFilter( ALL ) );
138
    list.add( createExtensionFilter( SOURCE ) );
139
    list.add( createExtensionFilter( DEFINITION ) );
140
    list.add( createExtensionFilter( XML ) );
141
142
    return list;
143
  }
144
145
  /**
146
   * Returns a filter for file name extensions recognized by the application
147
   * that can be opened by the user.
148
   *
149
   * @param filetype Used to find the globbing pattern for extensions.
150
   * @return A file name filter suitable for use by a FileDialog instance.
151
   */
152
  private ExtensionFilter createExtensionFilter(
153
    final FileType filetype ) {
154
    final var tKey = format( "%s.title.%s", FILTER_EXTENSION_TITLES, filetype );
155
    final var eKey = format( "%s.%s", GLOB_PREFIX_FILE, filetype );
156
157
    return new ExtensionFilter( Messages.get( tKey ), getExtensions( eKey ) );
158
  }
159
160
  /**
161
   * Sets the value for the most recent directly selected. This will get the
162
   * parent location from the given file. If the parent is a readable directory
163
   * then this will update the most recent directory property.
164
   *
165
   * @param file A file contained in a directory.
166
   */
167
  private void setRecentDirectory( final File file ) {
168
    if( file != null ) {
169
      final var parent = file.getParentFile();
170
      final var dir = parent == null ? USER_DIRECTORY : parent;
171
172
      if( dir.isDirectory() && dir.canRead() ) {
173
        mDirectory.setValue( dir );
174
      }
175
    }
176
  }
177
178
  private List<String> getExtensions( final String key ) {
179
    return getSettings().getStringSettingList( key );
180
  }
181
182
  private static Settings getSettings() {
183
    return sSettings;
184
  }
185
}
1186
A src/main/java/com/keenwrite/ui/actions/MenuAction.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.actions;
3
4
import javafx.scene.Node;
5
import javafx.scene.control.Button;
6
import javafx.scene.control.MenuItem;
7
import javafx.scene.control.Separator;
8
9
/**
10
 * Implementations are responsible for creating menu items and toolbar buttons.
11
 */
12
public interface MenuAction {
13
  /**
14
   * Creates a menu item based on the {@link Action} parameters.
15
   *
16
   * @return A new {@link MenuItem} instance.
17
   */
18
  MenuItem createMenuItem();
19
20
  /**
21
   * Creates an instance of {@link Button} or {@link Separator} based on the
22
   * {@link Action} parameters.
23
   *
24
   * @return A new {@link Button} or {@link Separator} instance.
25
   */
26
  Node createToolBarNode();
27
}
128
A src/main/java/com/keenwrite/ui/actions/SeparatorAction.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.actions;
3
4
import javafx.scene.Node;
5
import javafx.scene.control.*;
6
7
/**
8
 * Represents a {@link MenuBar} or {@link ToolBar} action that has no
9
 * operation, acting as a placeholder for line separators.
10
 */
11
public final class SeparatorAction implements MenuAction {
12
  @Override
13
  public MenuItem createMenuItem() {
14
    return new SeparatorMenuItem();
15
  }
16
17
  @Override
18
  public Node createToolBarNode() {
19
    return new Separator();
20
  }
21
}
122
A src/main/java/com/keenwrite/ui/actions/package-info.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
3
/**
4
 * This package contains classes that define commands as executable actions.
5
 */
6
package com.keenwrite.ui.actions;
17
A src/main/java/com/keenwrite/ui/adapters/DocumentAdapter.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.adapters;
3
4
import org.xhtmlrenderer.event.DocumentListener;
5
6
import static com.keenwrite.events.StatusEvent.clue;
7
8
/**
9
 * Allows subclasses to implement only specific events of interest.
10
 */
11
public class DocumentAdapter implements DocumentListener {
12
  @Override
13
  public void documentStarted() {
14
  }
15
16
  @Override
17
  public void documentLoaded() {
18
  }
19
20
  @Override
21
  public void onLayoutException( final Throwable t ) {
22
    clue( t );
23
  }
24
25
  @Override
26
  public void onRenderException( final Throwable t ) {
27
    clue( t );
28
  }
29
}
130
A src/main/java/com/keenwrite/ui/adapters/ReplacedElementAdapter.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.adapters;
3
4
import org.w3c.dom.Element;
5
import org.xhtmlrenderer.extend.ReplacedElementFactory;
6
import org.xhtmlrenderer.simple.extend.FormSubmissionListener;
7
8
/**
9
 * Allows subclasses to implement only specific events of interest.
10
 */
11
public abstract class ReplacedElementAdapter implements ReplacedElementFactory {
12
  @Override
13
  public void reset() {
14
  }
15
16
  @Override
17
  public void remove( final Element e ) {
18
  }
19
20
  @Override
21
  public void setFormSubmissionListener(
22
      final FormSubmissionListener listener ) {
23
  }
24
}
125
A src/main/java/com/keenwrite/ui/controls/BrowseFileButton.java
1
/*
2
 * Copyright 2015 Karl Tauber <karl at jformdesigner dot com>
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions are met:
7
 *
8
 *  o Redistributions of source code must retain the above copyright
9
 *    notice, this list of conditions and the following disclaimer.
10
 *
11
 *  o Redistributions in binary form must reproduce the above copyright
12
 *    notice, this list of conditions and the following disclaimer in the
13
 *    documentation and/or other materials provided with the distribution.
14
 *
15
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 */
27
28
package com.keenwrite.ui.controls;
29
30
import com.keenwrite.Messages;
31
import de.jensd.fx.glyphs.fontawesome.FontAwesomeIcon;
32
import de.jensd.fx.glyphs.fontawesome.utils.FontAwesomeIconFactory;
33
import javafx.beans.property.ObjectProperty;
34
import javafx.beans.property.SimpleObjectProperty;
35
import javafx.event.ActionEvent;
36
import javafx.scene.control.Button;
37
import javafx.scene.control.Tooltip;
38
import javafx.scene.input.KeyCode;
39
import javafx.scene.input.KeyEvent;
40
import javafx.stage.FileChooser;
41
import javafx.stage.FileChooser.ExtensionFilter;
42
43
import java.io.File;
44
import java.nio.file.Path;
45
import java.util.ArrayList;
46
import java.util.List;
47
48
/**
49
 * Button that opens a file chooser to select a local file for a URL.
50
 */
51
public class BrowseFileButton extends Button {
52
53
  private final List<ExtensionFilter> mExtensionFilters = new ArrayList<>();
54
  private final ObjectProperty<Path> mBasePath = new SimpleObjectProperty<>();
55
  private final ObjectProperty<String> mUrl = new SimpleObjectProperty<>();
56
57
  public BrowseFileButton() {
58
    setGraphic(
59
        FontAwesomeIconFactory.get().createIcon( FontAwesomeIcon.FILE_ALT )
60
    );
61
    setTooltip( new Tooltip( Messages.get( "BrowseFileButton.tooltip" ) ) );
62
    setOnAction( this::browse );
63
64
    disableProperty().bind( mBasePath.isNull() );
65
66
    // workaround for a JavaFX bug:
67
    //   avoid closing the dialog that contains this control when the user
68
    //   closes the FileChooser or DirectoryChooser using the ESC key
69
    addEventHandler( KeyEvent.KEY_RELEASED, e -> {
70
      if( e.getCode() == KeyCode.ESCAPE ) {
71
        e.consume();
72
      }
73
    } );
74
  }
75
76
  public void addExtensionFilter( ExtensionFilter extensionFilter ) {
77
    mExtensionFilters.add( extensionFilter );
78
  }
79
80
  public ObjectProperty<String> urlProperty() {
81
    return mUrl;
82
  }
83
84
  private void browse( ActionEvent e ) {
85
    var fileChooser = new FileChooser();
86
    fileChooser.setTitle( Messages.get( "BrowseFileButton.chooser.title" ) );
87
    fileChooser.getExtensionFilters().addAll( mExtensionFilters );
88
    fileChooser.getExtensionFilters()
89
               .add( new ExtensionFilter( Messages.get(
90
                   "BrowseFileButton.chooser.allFilesFilter" ), "*.*" ) );
91
    fileChooser.setInitialDirectory( getInitialDirectory() );
92
    var result = fileChooser.showOpenDialog( getScene().getWindow() );
93
    if( result != null ) {
94
      updateUrl( result );
95
    }
96
  }
97
98
  private File getInitialDirectory() {
99
    //TODO build initial directory based on current value of 'url' property
100
    return getBasePath().toFile();
101
  }
102
103
  private void updateUrl( File file ) {
104
    String newUrl;
105
    try {
106
      newUrl = getBasePath().relativize( file.toPath() ).toString();
107
    } catch( final Exception ex ) {
108
      newUrl = file.toString();
109
    }
110
    mUrl.set( newUrl.replace( '\\', '/' ) );
111
  }
112
113
  public void setBasePath( Path basePath ) {
114
    this.mBasePath.set( basePath );
115
  }
116
117
  private Path getBasePath() {
118
    return mBasePath.get();
119
  }
120
}
1121
A src/main/java/com/keenwrite/ui/controls/EscapeTextField.java
1
/*
2
 * Copyright 2020 Karl Tauber and White Magic Software, Ltd.
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions are met:
7
 *
8
 *  o Redistributions of source code must retain the above copyright
9
 *    notice, this list of conditions and the following disclaimer.
10
 *
11
 *  o Redistributions in binary form must reproduce the above copyright
12
 *    notice, this list of conditions and the following disclaimer in the
13
 *    documentation and/or other materials provided with the distribution.
14
 *
15
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 */
27
28
package com.keenwrite.ui.controls;
29
30
import javafx.beans.property.SimpleStringProperty;
31
import javafx.beans.property.StringProperty;
32
import javafx.scene.control.TextField;
33
import javafx.util.StringConverter;
34
35
/**
36
 * Responsible for escaping/unescaping characters for Markdown.
37
 */
38
public class EscapeTextField extends TextField {
39
40
  public EscapeTextField() {
41
    escapedText.bindBidirectional(
42
        textProperty(),
43
        new StringConverter<>() {
44
          @Override
45
          public String toString( String object ) {
46
            return escape( object );
47
          }
48
49
          @Override
50
          public String fromString( String string ) {
51
            return unescape( string );
52
          }
53
        }
54
    );
55
    escapeCharacters.addListener(
56
        e -> escapedText.set( escape( textProperty().get() ) )
57
    );
58
  }
59
60
  // 'escapedText' property
61
  private final StringProperty escapedText = new SimpleStringProperty();
62
63
  public StringProperty escapedTextProperty() {
64
    return escapedText;
65
  }
66
67
  // 'escapeCharacters' property
68
  private final StringProperty escapeCharacters = new SimpleStringProperty();
69
70
  public String getEscapeCharacters() {
71
    return escapeCharacters.get();
72
  }
73
74
  public void setEscapeCharacters( String escapeCharacters ) {
75
    this.escapeCharacters.set( escapeCharacters );
76
  }
77
78
  private String escape( final String s ) {
79
    final String escapeChars = getEscapeCharacters();
80
81
    return isEmpty( escapeChars ) ? s :
82
        s.replaceAll( "([" + escapeChars.replaceAll(
83
            "(.)",
84
            "\\\\$1" ) + "])", "\\\\$1" );
85
  }
86
87
  private String unescape( final String s ) {
88
    final String escapeChars = getEscapeCharacters();
89
90
    return isEmpty( escapeChars ) ? s :
91
        s.replaceAll( "\\\\([" + escapeChars
92
            .replaceAll( "(.)", "\\\\$1" ) + "])", "$1" );
93
  }
94
95
  private static boolean isEmpty( final String s ) {
96
    return s == null || s.isEmpty();
97
  }
98
}
199
A src/main/java/com/keenwrite/ui/controls/EventedStatusBar.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.controls;
3
4
import com.keenwrite.events.StatusEvent;
5
import org.controlsfx.control.StatusBar;
6
import org.greenrobot.eventbus.Subscribe;
7
8
import static com.keenwrite.events.Bus.register;
9
import static javafx.application.Platform.runLater;
10
11
/**
12
 * Responsible for handling application status events.
13
 */
14
public class EventedStatusBar extends StatusBar {
15
  public EventedStatusBar() {
16
    register( this );
17
  }
18
19
  /**
20
   * Called when an application problem is encountered. Updates the status
21
   * bar to show the first line of the given message. This method is
22
   * idempotent (if the message text is already set to the text from the
23
   * given message, no update is performed).
24
   *
25
   * @param event The event containing information about the problem.
26
   */
27
  @Subscribe
28
  public void handle( final StatusEvent event ) {
29
    final var message = event.getMessage();
30
31
    // Don't burden the repaint thread if there's no status bar change.
32
    if( !getText().equals( message ) ) {
33
      runLater(
34
        () -> {
35
          final var s = message == null ? "" : message;
36
          final var i = s.indexOf( '\n' );
37
          setText( s.substring( 0, i > 0 ? i : s.length() ) );
38
        }
39
      );
40
    }
41
  }
42
}
143
A src/main/java/com/keenwrite/ui/controls/SearchBar.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.controls;
3
4
import de.jensd.fx.glyphs.fontawesome.FontAwesomeIcon;
5
import de.jensd.fx.glyphs.fontawesome.utils.FontAwesomeIconFactory;
6
import javafx.beans.property.IntegerProperty;
7
import javafx.beans.property.SimpleIntegerProperty;
8
import javafx.beans.value.ChangeListener;
9
import javafx.event.ActionEvent;
10
import javafx.event.EventHandler;
11
import javafx.geometry.Orientation;
12
import javafx.geometry.Pos;
13
import javafx.scene.Node;
14
import javafx.scene.control.*;
15
import javafx.scene.layout.HBox;
16
import javafx.scene.layout.Priority;
17
import javafx.scene.layout.Region;
18
import javafx.scene.layout.VBox;
19
import org.controlsfx.control.textfield.CustomTextField;
20
21
import static com.keenwrite.Messages.get;
22
import static java.lang.StrictMath.max;
23
import static java.lang.String.format;
24
25
/**
26
 * Responsible for presenting user interface options for searching through
27
 * the document.
28
 */
29
public final class SearchBar extends HBox {
30
31
  private static final String MESSAGE_KEY = "Main.search.%s.%s";
32
33
  private final Button mButtonStop = createButtonStop();
34
  private final Button mButtonNext = createButton( "next" );
35
  private final Button mButtonPrev = createButton( "prev" );
36
  private final TextField mFind = createTextField();
37
  private final Label mMatches = new Label();
38
  private final IntegerProperty mMatchIndex = new SimpleIntegerProperty();
39
  private final IntegerProperty mMatchCount = new SimpleIntegerProperty();
40
41
  public SearchBar() {
42
    setAlignment( Pos.CENTER );
43
    addAll(
44
        mButtonStop,
45
        createSpacer( 10 ),
46
        mFind,
47
        createSpacer( 10 ),
48
        mButtonNext,
49
        createSpacer( 10 ),
50
        mButtonPrev,
51
        createSpacer( 10 ),
52
        mMatches,
53
        createSpacer( 10 ),
54
        createSeparatorVertical(),
55
        createSpacer( 5 )
56
    );
57
58
    mMatchIndex.addListener( ( c, o, n ) -> updateMatchText() );
59
    mMatchCount.addListener( ( c, o, n ) -> updateMatchText() );
60
    updateMatchText();
61
  }
62
63
  /**
64
   * Gives focus to the text field.
65
   */
66
  @Override
67
  public void requestFocus() {
68
    mFind.requestFocus();
69
  }
70
71
  /**
72
   * Adds a listener that triggers when the input text field changes.
73
   *
74
   * @param listener The listener to notify of change events.
75
   */
76
  public void addInputListener( final ChangeListener<String> listener ) {
77
    mFind.textProperty().addListener( listener );
78
  }
79
80
  /**
81
   * Sets the {@link EventHandler} to call when the user interface triggers
82
   * finding the next matching search string. This will wrap from the end
83
   * to the beginning.
84
   *
85
   * @param handler The handler requested to perform the find next action.
86
   */
87
  public void setOnNextAction( final EventHandler<ActionEvent> handler ) {
88
    mButtonNext.setOnAction( handler );
89
    mFind.setOnAction( handler );
90
  }
91
92
  /**
93
   * Sets the {@link EventHandler} to call when the user interface triggers
94
   * finding the previous matching search string. This will wrap from the
95
   * beginning to the end.
96
   *
97
   * @param handler The handler requested to perform the find next action.
98
   */
99
  public void setOnPrevAction( final EventHandler<ActionEvent> handler ) {
100
    mButtonPrev.setOnAction( handler );
101
  }
102
103
  /**
104
   * Sets the {@link EventHandler} to call when searching has been terminated.
105
   *
106
   * @param handler The {@link EventHandler} that will perform an action
107
   *                when the searching has stopped (e.g., remove from this
108
   *                widget from status bar).
109
   */
110
  public void setOnCancelAction( final EventHandler<ActionEvent> handler ) {
111
    mButtonStop.setOnAction( handler );
112
  }
113
114
  /**
115
   * When this property value changes, the match text is updated accordingly.
116
   * If the value is less than zero, the text will show zero.
117
   *
118
   * @return The index of the latest search string match.
119
   */
120
  public IntegerProperty matchIndexProperty() {
121
    return mMatchIndex;
122
  }
123
124
  /**
125
   * When this property value changes, the match text is updated accordingly.
126
   * If the value is less than zero, the text will show zero.
127
   *
128
   * @return The total number of items that match the search string.
129
   */
130
  public IntegerProperty matchCountProperty() {
131
    return mMatchCount;
132
  }
133
134
  /**
135
   * Updates the match count.
136
   */
137
  private void updateMatchText() {
138
    final var index = max( 0, mMatchIndex.get() );
139
    final var count = max( 0, mMatchCount.get() );
140
    final var suffix = count == 0 ? "none" : "some";
141
    final var key = getMessageValue( "match", suffix );
142
143
    mMatches.setText( get( key, index, count ) );
144
  }
145
146
  private Button createButton( final String id ) {
147
    final var button = new Button();
148
    final var tooltipText = getMessageValue( id, "tooltip" );
149
150
    button.setMnemonicParsing( false );
151
    button.setGraphic( getIcon( id ) );
152
    button.setTooltip( new Tooltip( tooltipText ) );
153
154
    return button;
155
  }
156
157
  private Button createButtonStop() {
158
    final var button = createButton( "stop" );
159
    button.setCancelButton( true );
160
    return button;
161
  }
162
163
  private TextField createTextField() {
164
    final var textField = new CustomTextField();
165
    textField.setLeft( getIcon( "find" ) );
166
    return textField;
167
  }
168
169
  /**
170
   * Creates a vertical bar, used to divide the search results from the
171
   * application status message.
172
   *
173
   * @return A vertical separator.
174
   */
175
  private Node createSeparatorVertical() {
176
    return new Separator( Orientation.VERTICAL );
177
  }
178
179
  /**
180
   * Breathing room between the search box and the application status message.
181
   * This could also be accomplished by using CSS.
182
   *
183
   * @param width The spacer's width.
184
   * @return A new {@link Node} having about 10px of space.
185
   */
186
  private Node createSpacer( final int width ) {
187
    final var spacer = new Region();
188
    spacer.setPrefWidth( width );
189
    VBox.setVgrow( spacer, Priority.ALWAYS );
190
    return spacer;
191
  }
192
193
  private Node getIcon( final String id ) {
194
    final var name = getMessageValue( id, "icon" );
195
    final var glyph = FontAwesomeIcon.valueOf( name.toUpperCase() );
196
    return FontAwesomeIconFactory.get().createIcon( glyph );
197
  }
198
199
  private String getMessageValue( final String id, final String suffix ) {
200
    return get( format( MESSAGE_KEY, id, suffix ) );
201
  }
202
203
  private void addAll( final Node... nodes ) {
204
    getChildren().addAll( nodes );
205
  }
206
}
1207
A src/main/java/com/keenwrite/ui/dialogs/AbstractDialog.java
1
/* Copyright 2017-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.dialogs;
3
4
import com.keenwrite.service.events.impl.ButtonOrderPane;
5
import javafx.scene.control.Dialog;
6
import javafx.stage.Stage;
7
import javafx.stage.Window;
8
9
import static com.keenwrite.Constants.ICON_DIALOG;
10
import static com.keenwrite.Messages.get;
11
import static javafx.scene.control.ButtonType.CANCEL;
12
import static javafx.scene.control.ButtonType.OK;
13
14
/**
15
 * Superclass that abstracts common behaviours for all dialogs.
16
 *
17
 * @param <T> The type of dialog to create (usually String).
18
 */
19
public abstract class AbstractDialog<T> extends Dialog<T> {
20
21
  /**
22
   * Ensures that all dialogs can be closed.
23
   *
24
   * @param owner The parent window of this dialog.
25
   * @param title The messages title to display in the title bar.
26
   */
27
  @SuppressWarnings( "OverridableMethodCallInConstructor" )
28
  public AbstractDialog( final Window owner, final String title ) {
29
    setTitle( get( title ) );
30
    setResizable( true );
31
32
    initOwner( owner );
33
    initCloseAction();
34
    initDialogPane();
35
    initDialogButtons();
36
    initComponents();
37
    initIcon( (Stage) owner );
38
  }
39
40
  /**
41
   * Initialize the component layout.
42
   */
43
  protected abstract void initComponents();
44
45
  /**
46
   * Set the dialog to use a button order pane with an OK and a CANCEL button.
47
   */
48
  protected void initDialogPane() {
49
    setDialogPane( new ButtonOrderPane() );
50
  }
51
52
  /**
53
   * Set an OK and CANCEL button on the dialog.
54
   */
55
  protected void initDialogButtons() {
56
    getDialogPane().getButtonTypes().addAll( OK, CANCEL );
57
  }
58
59
  /**
60
   * Attaches a close request to the dialog's [X] button so that the user
61
   * can always close the window, even if there's an error.
62
   */
63
  protected final void initCloseAction() {
64
    final var window = getDialogPane().getScene().getWindow();
65
    window.setOnCloseRequest( event -> window.hide() );
66
  }
67
68
  private void initIcon( final Stage owner ) {
69
    owner.getIcons().add( ICON_DIALOG );
70
  }
71
}
172
A src/main/java/com/keenwrite/ui/dialogs/ImageDialog.java
1
/*
2
 * Copyright 2015 Karl Tauber <karl at jformdesigner dot com>
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions are met:
7
 *
8
 *  o Redistributions of source code must retain the above copyright
9
 *    notice, this list of conditions and the following disclaimer.
10
 *
11
 *  o Redistributions in binary form must reproduce the above copyright
12
 *    notice, this list of conditions and the following disclaimer in the
13
 *    documentation and/or other materials provided with the distribution.
14
 *
15
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 */
27
package com.keenwrite.ui.dialogs;
28
29
import static com.keenwrite.Messages.get;
30
import com.keenwrite.ui.controls.BrowseFileButton;
31
import com.keenwrite.ui.controls.EscapeTextField;
32
import java.nio.file.Path;
33
import javafx.application.Platform;
34
import javafx.beans.binding.Bindings;
35
import javafx.beans.property.SimpleStringProperty;
36
import javafx.beans.property.StringProperty;
37
import javafx.scene.control.ButtonBar.ButtonData;
38
import static javafx.scene.control.ButtonType.OK;
39
import javafx.scene.control.DialogPane;
40
import javafx.scene.control.Label;
41
import javafx.stage.FileChooser.ExtensionFilter;
42
import javafx.stage.Window;
43
import org.tbee.javafx.scene.layout.fxml.MigPane;
44
45
/**
46
 * Dialog to enter a Markdown image.
47
 */
48
public class ImageDialog extends AbstractDialog<String> {
49
50
  private final StringProperty image = new SimpleStringProperty();
51
52
  public ImageDialog( final Window owner, final Path basePath ) {
53
    super(owner, "Dialog.image.title" );
54
    
55
    final DialogPane dialogPane = getDialogPane();
56
    dialogPane.setContent( pane );
57
58
    linkBrowseFileButton.setBasePath( basePath );
59
    linkBrowseFileButton.addExtensionFilter( new ExtensionFilter( get( "Dialog.image.chooser.imagesFilter" ), "*.png", "*.gif", "*.jpg" ) );
60
    linkBrowseFileButton.urlProperty().bindBidirectional( urlField.escapedTextProperty() );
61
62
    dialogPane.lookupButton( OK ).disableProperty().bind(
63
      urlField.escapedTextProperty().isEmpty()
64
      .or( textField.escapedTextProperty().isEmpty() ) );
65
66
    image.bind( Bindings.when( titleField.escapedTextProperty().isNotEmpty() )
67
      .then( Bindings.format( "![%s](%s \"%s\")", textField.escapedTextProperty(), urlField.escapedTextProperty(), titleField.escapedTextProperty() ) )
68
      .otherwise( Bindings.format( "![%s](%s)", textField.escapedTextProperty(), urlField.escapedTextProperty() ) ) );
69
    previewField.textProperty().bind( image );
70
71
    setResultConverter( dialogButton -> {
72
      ButtonData data = (dialogButton != null) ? dialogButton.getButtonData() : null;
73
      return (data == ButtonData.OK_DONE) ? image.get() : null;
74
    } );
75
76
    Platform.runLater( () -> {
77
      urlField.requestFocus();
78
79
      if( urlField.getText().startsWith( "http://" ) ) {
80
        urlField.selectRange( "http://".length(), urlField.getLength() );
81
      }
82
    } );
83
  }
84
85
  @Override
86
  protected void initComponents() {
87
    // JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
88
    pane = new MigPane();
89
    Label urlLabel = new Label();
90
    urlField = new EscapeTextField();
91
    linkBrowseFileButton = new BrowseFileButton();
92
    Label textLabel = new Label();
93
    textField = new EscapeTextField();
94
    Label titleLabel = new Label();
95
    titleField = new EscapeTextField();
96
    Label previewLabel = new Label();
97
    previewField = new Label();
98
99
    //======== pane ========
100
    {
101
      pane.setCols( "[shrink 0,fill][300,grow,fill][fill]" );
102
      pane.setRows( "[][][][]" );
103
104
      //---- urlLabel ----
105
      urlLabel.setText( get( "Dialog.image.urlLabel.text" ) );
106
      pane.add( urlLabel, "cell 0 0" );
107
108
      //---- urlField ----
109
      urlField.setEscapeCharacters( "()" );
110
      urlField.setText( "http://yourlink.com" );
111
      urlField.setPromptText( "http://yourlink.com" );
112
      pane.add( urlField, "cell 1 0" );
113
      pane.add( linkBrowseFileButton, "cell 2 0" );
114
115
      //---- textLabel ----
116
      textLabel.setText( get( "Dialog.image.textLabel.text" ) );
117
      pane.add( textLabel, "cell 0 1" );
118
119
      //---- textField ----
120
      textField.setEscapeCharacters( "[]" );
121
      pane.add( textField, "cell 1 1 2 1" );
122
123
      //---- titleLabel ----
124
      titleLabel.setText( get( "Dialog.image.titleLabel.text" ) );
125
      pane.add( titleLabel, "cell 0 2" );
126
      pane.add( titleField, "cell 1 2 2 1" );
127
128
      //---- previewLabel ----
129
      previewLabel.setText( get( "Dialog.image.previewLabel.text" ) );
130
      pane.add( previewLabel, "cell 0 3" );
131
      pane.add( previewField, "cell 1 3 2 1" );
132
    }
133
    // JFormDesigner - End of component initialization  //GEN-END:initComponents
134
  }
135
136
  // JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
137
  private MigPane pane;
138
  private EscapeTextField urlField;
139
  private BrowseFileButton linkBrowseFileButton;
140
  private EscapeTextField textField;
141
  private EscapeTextField titleField;
142
  private Label previewField;
143
	// JFormDesigner - End of variables declaration  //GEN-END:variables
144
}
1145
A src/main/java/com/keenwrite/ui/dialogs/ImageDialog.jfd
1
JFDML JFormDesigner: "9.9.9.9.9999" Java: "1.8.0_66" encoding: "UTF-8"
2
3
new FormModel {
4
	"i18n.bundlePackage": "com.scrivendor"
5
	"i18n.bundleName": "messages"
6
	"i18n.autoExternalize": true
7
	"i18n.keyPrefix": "ImageDialog"
8
	contentType: "form/javafx"
9
	root: new FormRoot {
10
		add( new FormContainer( "org.tbee.javafx.scene.layout.fxml.MigPane", new FormLayoutManager( class org.tbee.javafx.scene.layout.fxml.MigPane ) {
11
			"$layoutConstraints": ""
12
			"$columnConstraints": "[shrink 0,fill][300,grow,fill][fill]"
13
			"$rowConstraints": "[][][][]"
14
		} ) {
15
			name: "pane"
16
			add( new FormComponent( "javafx.scene.control.Label" ) {
17
				name: "urlLabel"
18
				"text": new FormMessage( null, "ImageDialog.urlLabel.text" )
19
				auxiliary() {
20
					"JavaCodeGenerator.variableLocal": true
21
				}
22
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
23
				"value": "cell 0 0"
24
			} )
25
			add( new FormComponent( "com.scrivendor.controls.EscapeTextField" ) {
26
				name: "urlField"
27
				"escapeCharacters": "()"
28
				"text": "http://yourlink.com"
29
				"promptText": "http://yourlink.com"
30
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
31
				"value": "cell 1 0"
32
			} )
33
			add( new FormComponent( "com.scrivendor.controls.BrowseFileButton" ) {
34
				name: "linkBrowseFileButton"
35
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
36
				"value": "cell 2 0"
37
			} )
38
			add( new FormComponent( "javafx.scene.control.Label" ) {
39
				name: "textLabel"
40
				"text": new FormMessage( null, "ImageDialog.textLabel.text" )
41
				auxiliary() {
42
					"JavaCodeGenerator.variableLocal": true
43
				}
44
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
45
				"value": "cell 0 1"
46
			} )
47
			add( new FormComponent( "com.scrivendor.controls.EscapeTextField" ) {
48
				name: "textField"
49
				"escapeCharacters": "[]"
50
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
51
				"value": "cell 1 1 2 1"
52
			} )
53
			add( new FormComponent( "javafx.scene.control.Label" ) {
54
				name: "titleLabel"
55
				"text": new FormMessage( null, "ImageDialog.titleLabel.text" )
56
				auxiliary() {
57
					"JavaCodeGenerator.variableLocal": true
58
				}
59
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
60
				"value": "cell 0 2"
61
			} )
62
			add( new FormComponent( "com.scrivendor.controls.EscapeTextField" ) {
63
				name: "titleField"
64
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
65
				"value": "cell 1 2 2 1"
66
			} )
67
			add( new FormComponent( "javafx.scene.control.Label" ) {
68
				name: "previewLabel"
69
				"text": new FormMessage( null, "ImageDialog.previewLabel.text" )
70
				auxiliary() {
71
					"JavaCodeGenerator.variableLocal": true
72
				}
73
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
74
				"value": "cell 0 3"
75
			} )
76
			add( new FormComponent( "javafx.scene.control.Label" ) {
77
				name: "previewField"
78
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
79
				"value": "cell 1 3 2 1"
80
			} )
81
		}, new FormLayoutConstraints( null ) {
82
			"location": new javafx.geometry.Point2D( 0.0, 0.0 )
83
			"size": new javafx.geometry.Dimension2D( 500.0, 300.0 )
84
		} )
85
	}
86
}
187
A src/main/java/com/keenwrite/ui/dialogs/LinkDialog.java
1
/*
2
 * Copyright 2016 Karl Tauber and White Magic Software, Ltd.
3
 *
4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions are met:
8
 *
9
 *  o Redistributions of source code must retain the above copyright
10
 *    notice, this list of conditions and the following disclaimer.
11
 *
12
 *  o Redistributions in binary form must reproduce the above copyright
13
 *    notice, this list of conditions and the following disclaimer in the
14
 *    documentation and/or other materials provided with the distribution.
15
 *
16
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
package com.keenwrite.ui.dialogs;
29
30
import com.keenwrite.ui.controls.EscapeTextField;
31
import com.keenwrite.editors.markdown.HyperlinkModel;
32
import javafx.application.Platform;
33
import javafx.beans.binding.Bindings;
34
import javafx.beans.property.SimpleStringProperty;
35
import javafx.beans.property.StringProperty;
36
import javafx.scene.control.ButtonBar.ButtonData;
37
import javafx.scene.control.DialogPane;
38
import javafx.scene.control.Label;
39
import javafx.stage.Window;
40
import org.tbee.javafx.scene.layout.fxml.MigPane;
41
42
import static com.keenwrite.Messages.get;
43
import static javafx.scene.control.ButtonType.OK;
44
45
/**
46
 * Dialog to enter a Markdown link.
47
 */
48
public class LinkDialog extends AbstractDialog<String> {
49
50
  private final StringProperty link = new SimpleStringProperty();
51
52
  public LinkDialog(
53
    final Window owner, final HyperlinkModel hyperlink ) {
54
    super( owner, "Dialog.link.title" );
55
56
    final DialogPane dialogPane = getDialogPane();
57
    dialogPane.setContent( pane );
58
59
    dialogPane.lookupButton( OK ).disableProperty().bind(
60
      urlField.escapedTextProperty().isEmpty() );
61
62
    textField.setText( hyperlink.getText() );
63
    urlField.setText( hyperlink.getUrl() );
64
    titleField.setText( hyperlink.getTitle() );
65
66
    link.bind( Bindings.when( titleField.escapedTextProperty().isNotEmpty() )
67
      .then( Bindings.format( "[%s](%s \"%s\")", textField.escapedTextProperty(), urlField.escapedTextProperty(), titleField.escapedTextProperty() ) )
68
      .otherwise( Bindings.when( textField.escapedTextProperty().isNotEmpty() )
69
        .then( Bindings.format( "[%s](%s)", textField.escapedTextProperty(), urlField.escapedTextProperty() ) )
70
        .otherwise( urlField.escapedTextProperty() ) ) );
71
72
    setResultConverter( dialogButton -> {
73
      ButtonData data = (dialogButton != null) ? dialogButton.getButtonData() : null;
74
      return (data == ButtonData.OK_DONE) ? link.get() : null;
75
    } );
76
77
    Platform.runLater( () -> {
78
      urlField.requestFocus();
79
      urlField.selectRange( 0, urlField.getLength() );
80
    } );
81
  }
82
83
  @Override
84
  protected void initComponents() {
85
    // JFormDesigner - Component initialization - DO NOT MODIFY  //GEN-BEGIN:initComponents
86
    pane = new MigPane();
87
    Label urlLabel = new Label();
88
    urlField = new EscapeTextField();
89
    Label textLabel = new Label();
90
    textField = new EscapeTextField();
91
    Label titleLabel = new Label();
92
    titleField = new EscapeTextField();
93
94
    //======== pane ========
95
    {
96
      pane.setCols( "[shrink 0,fill][300,grow,fill][fill][fill]" );
97
      pane.setRows( "[][][][]" );
98
99
      //---- urlLabel ----
100
      urlLabel.setText( get( "Dialog.link.urlLabel.text" ) );
101
      pane.add( urlLabel, "cell 0 0" );
102
103
      //---- urlField ----
104
      urlField.setEscapeCharacters( "()" );
105
      pane.add( urlField, "cell 1 0" );
106
107
      //---- textLabel ----
108
      textLabel.setText( get( "Dialog.link.textLabel.text" ) );
109
      pane.add( textLabel, "cell 0 1" );
110
111
      //---- textField ----
112
      textField.setEscapeCharacters( "[]" );
113
      pane.add( textField, "cell 1 1 3 1" );
114
115
      //---- titleLabel ----
116
      titleLabel.setText( get( "Dialog.link.titleLabel.text" ) );
117
      pane.add( titleLabel, "cell 0 2" );
118
      pane.add( titleField, "cell 1 2 3 1" );
119
    }
120
    // JFormDesigner - End of component initialization  //GEN-END:initComponents
121
  }
122
123
  // JFormDesigner - Variables declaration - DO NOT MODIFY  //GEN-BEGIN:variables
124
  private MigPane pane;
125
  private EscapeTextField urlField;
126
  private EscapeTextField textField;
127
  private EscapeTextField titleField;
128
  // JFormDesigner - End of variables declaration  //GEN-END:variables
129
}
1130
A src/main/java/com/keenwrite/ui/dialogs/LinkDialog.jfd
1
JFDML JFormDesigner: "9.9.9.9.9999" Java: "1.8.0_66" encoding: "UTF-8"
2
3
new FormModel {
4
	"i18n.bundlePackage": "com.scrivendor"
5
	"i18n.bundleName": "messages"
6
	"i18n.autoExternalize": true
7
	"i18n.keyPrefix": "LinkDialog"
8
	contentType: "form/javafx"
9
	root: new FormRoot {
10
		add( new FormContainer( "org.tbee.javafx.scene.layout.fxml.MigPane", new FormLayoutManager( class org.tbee.javafx.scene.layout.fxml.MigPane ) {
11
			"$layoutConstraints": ""
12
			"$columnConstraints": "[shrink 0,fill][300,grow,fill][fill][fill]"
13
			"$rowConstraints": "[][][][]"
14
		} ) {
15
			name: "pane"
16
			add( new FormComponent( "javafx.scene.control.Label" ) {
17
				name: "urlLabel"
18
				"text": new FormMessage( null, "LinkDialog.urlLabel.text" )
19
				auxiliary() {
20
					"JavaCodeGenerator.variableLocal": true
21
				}
22
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
23
				"value": "cell 0 0"
24
			} )
25
			add( new FormComponent( "com.scrivendor.controls.EscapeTextField" ) {
26
				name: "urlField"
27
				"escapeCharacters": "()"
28
				"text": "http://yourlink.com"
29
				"promptText": "http://yourlink.com"
30
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
31
				"value": "cell 1 0"
32
			} )
33
			add( new FormComponent( "com.scrivendor.controls.BrowseDirectoryButton" ) {
34
				name: "linkBrowseDirectoyButton"
35
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
36
				"value": "cell 2 0"
37
			} )
38
			add( new FormComponent( "com.scrivendor.controls.BrowseFileButton" ) {
39
				name: "linkBrowseFileButton"
40
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
41
				"value": "cell 3 0"
42
			} )
43
			add( new FormComponent( "javafx.scene.control.Label" ) {
44
				name: "textLabel"
45
				"text": new FormMessage( null, "LinkDialog.textLabel.text" )
46
				auxiliary() {
47
					"JavaCodeGenerator.variableLocal": true
48
				}
49
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
50
				"value": "cell 0 1"
51
			} )
52
			add( new FormComponent( "com.scrivendor.controls.EscapeTextField" ) {
53
				name: "textField"
54
				"escapeCharacters": "[]"
55
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
56
				"value": "cell 1 1 3 1"
57
			} )
58
			add( new FormComponent( "javafx.scene.control.Label" ) {
59
				name: "titleLabel"
60
				"text": new FormMessage( null, "LinkDialog.titleLabel.text" )
61
				auxiliary() {
62
					"JavaCodeGenerator.variableLocal": true
63
				}
64
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
65
				"value": "cell 0 2"
66
			} )
67
			add( new FormComponent( "com.scrivendor.controls.EscapeTextField" ) {
68
				name: "titleField"
69
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
70
				"value": "cell 1 2 3 1"
71
			} )
72
			add( new FormComponent( "javafx.scene.control.Label" ) {
73
				name: "previewLabel"
74
				"text": new FormMessage( null, "LinkDialog.previewLabel.text" )
75
				auxiliary() {
76
					"JavaCodeGenerator.variableLocal": true
77
				}
78
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
79
				"value": "cell 0 3"
80
			} )
81
			add( new FormComponent( "javafx.scene.control.Label" ) {
82
				name: "previewField"
83
			}, new FormLayoutConstraints( class net.miginfocom.layout.CC ) {
84
				"value": "cell 1 3 3 1"
85
			} )
86
		}, new FormLayoutConstraints( null ) {
87
			"location": new javafx.geometry.Point2D( 0.0, 0.0 )
88
			"size": new javafx.geometry.Dimension2D( 500.0, 300.0 )
89
		} )
90
	}
91
}
192
A src/main/java/com/keenwrite/ui/heuristics/DocumentStatistics.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.heuristics;
3
4
import com.keenwrite.events.DocumentChangedEvent;
5
import com.keenwrite.preferences.Workspace;
6
import com.keenwrite.preview.HtmlPanel;
7
import com.keenwrite.util.MurmurHash;
8
import com.whitemagicsoftware.wordcount.Tokenizer;
9
import com.whitemagicsoftware.wordcount.TokenizerException;
10
import com.whitemagicsoftware.wordcount.TokenizerFactory;
11
import javafx.beans.property.IntegerProperty;
12
import javafx.beans.property.SimpleIntegerProperty;
13
import javafx.beans.property.SimpleStringProperty;
14
import javafx.beans.property.StringProperty;
15
import javafx.collections.ObservableList;
16
import javafx.collections.transformation.SortedList;
17
import javafx.scene.control.TableColumn;
18
import javafx.scene.control.TableView;
19
import org.greenrobot.eventbus.Subscribe;
20
import org.jsoup.Jsoup;
21
22
import java.util.Locale;
23
24
import static com.keenwrite.events.Bus.register;
25
import static com.keenwrite.events.StatusEvent.clue;
26
import static com.keenwrite.events.WordCountEvent.fireWordCountEvent;
27
import static com.keenwrite.preferences.WorkspaceKeys.KEY_LANGUAGE_LOCALE;
28
import static com.keenwrite.preferences.WorkspaceKeys.KEY_UI_FONT_EDITOR_NAME;
29
import static java.lang.String.format;
30
import static java.util.Locale.ENGLISH;
31
import static javafx.application.Platform.runLater;
32
import static javafx.collections.FXCollections.observableArrayList;
33
34
/**
35
 * Responsible for displaying document statistics, such as word count and
36
 * word frequency.
37
 */
38
public final class DocumentStatistics
39
  extends TableView<DocumentStatistics.StatEntry> {
40
  /**
41
   * Parses documents into word counts.
42
   */
43
  private static Tokenizer sTokenizer = createTokenizer( ENGLISH );
44
45
  private final ObservableList<StatEntry> mItems = observableArrayList();
46
47
  /**
48
   * Creates a new observer of document change events that will gather and
49
   * display document statistics (e.g., word counts).
50
   *
51
   * @param workspace Settings used to configure the statistics engine.
52
   */
53
  public DocumentStatistics( final Workspace workspace ) {
54
    final var sortedItems = new SortedList<>( mItems );
55
    sortedItems.comparatorProperty().bind( comparatorProperty() );
56
    setItems( sortedItems );
57
58
    initView();
59
    initListeners( workspace );
60
    register( this );
61
62
    final var fontName = workspace.stringProperty( KEY_UI_FONT_EDITOR_NAME );
63
64
    fontName.addListener(
65
      ( c, o, n ) -> {
66
        if( n != null ) {
67
          setFontFamily( n );
68
        }
69
      }
70
    );
71
72
    setFontFamily( fontName.getValue() );
73
  }
74
75
  /**
76
   * Called when the hashcode for the current document changes. This happens
77
   * when non-collapsable-whitespace is added to the document. When the
78
   * document is sent to {@link HtmlPanel} for rendering, the parsed
79
   * {@link Jsoup} document is converted to text. If that text differs
80
   * (using {@link MurmurHash}), then this method is called. The implication
81
   * is that all variables and executable statements have been replaced.
82
   * An event bus subscriber is used so that text processing occurs outside
83
   * of the UI processing threads.
84
   *
85
   * @param event Container for the document text that has changed.
86
   */
87
  @Subscribe
88
  public void handle( final DocumentChangedEvent event ) {
89
    try {
90
      final var tokens = sTokenizer.tokenize( event.getDocument() );
91
      final var sum = new int[]{0};
92
93
      runLater( () -> {
94
        mItems.clear();
95
        tokens.forEach( ( k, v ) -> {
96
          final var count = v[ 0 ];
97
          if( count > 2 ) {
98
            mItems.add( new StatEntry( k, count ) );
99
          }
100
          sum[ 0 ] += count;
101
        } );
102
103
        fireWordCountEvent( sum[ 0 ] );
104
      } );
105
106
    } catch( final TokenizerException ex ) {
107
      clue( ex );
108
    }
109
  }
110
111
  @SuppressWarnings( "unchecked" )
112
  private void initView() {
113
    final TableColumn<StatEntry, String> colWord = createColumn( "Word" );
114
    final TableColumn<StatEntry, Number> colCount = createColumn( "Count" );
115
116
    colWord.setCellValueFactory( stat -> stat.getValue().wordProperty() );
117
    colCount.setCellValueFactory( stat -> stat.getValue().tallyProperty() );
118
    colCount.setComparator( colCount.getComparator().reversed() );
119
120
    final var columns = getColumns();
121
    columns.add( colWord );
122
    columns.add( colCount );
123
124
    setMaxWidth( Double.MAX_VALUE );
125
    setPrefWidth( 128 );
126
    setColumnResizePolicy( CONSTRAINED_RESIZE_POLICY );
127
    getSortOrder().setAll( colCount, colWord );
128
129
    getStyleClass().add( "" );
130
  }
131
132
  private void initListeners( final Workspace workspace ) {
133
    final var property = workspace.localeProperty( KEY_LANGUAGE_LOCALE );
134
    property.addListener(
135
      ( c, o, n ) -> sTokenizer = createTokenizer( property.toLocale() )
136
    );
137
  }
138
139
  /**
140
   * Creates a tokenizer for English text (can handle most Latin languages).
141
   *
142
   * @return An English-based tokenizer for counting words.
143
   */
144
  private static Tokenizer createTokenizer( final Locale language ) {
145
    return TokenizerFactory.create( language );
146
  }
147
148
  private <E, T> TableColumn<E, T> createColumn( final String key ) {
149
    return new TableColumn<>( key );
150
  }
151
152
  private void setFontFamily( final String value ) {
153
    runLater( () -> setStyle( format( "-fx-font-family:'%s';", value ) ) );
154
  }
155
156
  /**
157
   * Represents the number of times a word appears in a document.
158
   */
159
  protected static final class StatEntry {
160
    private final StringProperty mWord;
161
    private final IntegerProperty mTally;
162
163
    public StatEntry( final String word, final int tally ) {
164
      mWord = new SimpleStringProperty( word );
165
      mTally = new SimpleIntegerProperty( tally );
166
    }
167
168
    private StringProperty wordProperty() {
169
      return mWord;
170
    }
171
172
    private IntegerProperty tallyProperty() {
173
      return mTally;
174
    }
175
  }
176
}
1177
A src/main/java/com/keenwrite/ui/listeners/CaretListener.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.listeners;
3
4
import com.keenwrite.Caret;
5
import com.keenwrite.editors.TextEditor;
6
import com.keenwrite.events.WordCountEvent;
7
import javafx.beans.property.ReadOnlyObjectProperty;
8
import javafx.beans.value.ChangeListener;
9
import javafx.beans.value.ObservableValue;
10
import javafx.scene.control.Label;
11
import javafx.scene.layout.VBox;
12
import org.greenrobot.eventbus.Subscribe;
13
14
import static com.keenwrite.events.Bus.register;
15
import static javafx.application.Platform.runLater;
16
import static javafx.geometry.Pos.BASELINE_CENTER;
17
18
/**
19
 * Responsible for updating the UI whenever the caret changes position.
20
 * Only one instance of {@link CaretListener} is allowed, which prevents
21
 * duplicate adds to the observable property.
22
 */
23
public class CaretListener extends VBox implements ChangeListener<Integer> {
24
25
  /**
26
   * Use an instance of {@link Label} for its built-in CSS style class.
27
   */
28
  private final Label mLineNumberText = new Label();
29
  private volatile Caret mCaret;
30
31
  /**
32
   * Approximate number of words in the document.
33
   */
34
  private volatile int mCount;
35
36
  public CaretListener( final ReadOnlyObjectProperty<TextEditor> editor ) {
37
    assert editor != null;
38
39
    setAlignment( BASELINE_CENTER );
40
    getChildren().add( mLineNumberText );
41
42
    editor.addListener( ( c, o, n ) -> {
43
      if( n != null ) {
44
        updateListener( n.getCaret() );
45
      }
46
    } );
47
48
    updateListener( editor.get().getCaret() );
49
    register( this );
50
  }
51
52
  /**
53
   * Called whenever the caret position changes.
54
   *
55
   * @param c The caret position property.
56
   * @param o The old caret position offset.
57
   * @param n The new caret position offset.
58
   */
59
  @Override
60
  public void changed(
61
    final ObservableValue<? extends Integer> c,
62
    final Integer o, final Integer n ) {
63
    updateLineNumber();
64
  }
65
66
  @Subscribe
67
  public void handle( final WordCountEvent event ) {
68
    mCount = event.getCount();
69
    updateLineNumber();
70
  }
71
72
  private void updateListener( final Caret caret ) {
73
    assert caret != null;
74
75
    final var property = caret.textOffsetProperty();
76
77
    property.removeListener( this );
78
    mCaret = caret;
79
    property.addListener( this );
80
    updateLineNumber();
81
  }
82
83
  private void updateLineNumber() {
84
    runLater(
85
      () -> mLineNumberText.setText( mCaret.toString() + " | " + mCount )
86
    );
87
  }
88
}
189
A src/main/java/com/keenwrite/ui/logging/LogView.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.logging;
3
4
import com.keenwrite.events.StatusEvent;
5
import javafx.beans.property.SimpleStringProperty;
6
import javafx.beans.property.StringProperty;
7
import javafx.collections.ObservableList;
8
import javafx.scene.control.*;
9
import javafx.scene.input.ClipboardContent;
10
import javafx.scene.input.KeyCodeCombination;
11
import javafx.stage.Stage;
12
import org.greenrobot.eventbus.Subscribe;
13
14
import java.time.LocalDateTime;
15
import java.util.Objects;
16
import java.util.TreeSet;
17
18
import static com.keenwrite.Bootstrap.APP_TITLE_LOWERCASE;
19
import static com.keenwrite.Constants.ACTION_PREFIX;
20
import static com.keenwrite.Constants.ICON_DIALOG;
21
import static com.keenwrite.Messages.get;
22
import static com.keenwrite.events.Bus.register;
23
import static com.keenwrite.events.StatusEvent.clue;
24
import static java.nio.file.Files.createTempFile;
25
import static java.nio.file.Files.write;
26
import static java.nio.file.StandardOpenOption.APPEND;
27
import static java.nio.file.StandardOpenOption.CREATE;
28
import static java.time.LocalDateTime.now;
29
import static java.time.format.DateTimeFormatter.ofPattern;
30
import static javafx.application.Platform.runLater;
31
import static javafx.collections.FXCollections.observableArrayList;
32
import static javafx.event.ActionEvent.ACTION;
33
import static javafx.scene.control.Alert.AlertType.INFORMATION;
34
import static javafx.scene.control.ButtonType.OK;
35
import static javafx.scene.control.SelectionMode.MULTIPLE;
36
import static javafx.scene.input.Clipboard.getSystemClipboard;
37
import static javafx.scene.input.KeyCode.C;
38
import static javafx.scene.input.KeyCode.INSERT;
39
import static javafx.scene.input.KeyCombination.CONTROL_ANY;
40
import static javafx.stage.Modality.NONE;
41
42
/**
43
 * Responsible for logging application issues to {@link TableView} entries.
44
 */
45
public final class LogView extends Alert {
46
  /**
47
   * Number of error messages to retain in the {@link TableView}; must be
48
   * greater than zero.
49
   */
50
  private static final int CACHE_SIZE = 150;
51
52
  private final ObservableList<LogEntry> mItems = observableArrayList();
53
  private final TableView<LogEntry> mTable = new TableView<>( mItems );
54
55
  public LogView() {
56
    super( INFORMATION );
57
    setTitle( get( ACTION_PREFIX + "view.issues.text" ) );
58
    initModality( NONE );
59
    initTableView();
60
    setResizable( true );
61
    initButtons();
62
    initIcon();
63
    initActions();
64
    register( this );
65
  }
66
67
  @Subscribe
68
  public void log( final StatusEvent event ) {
69
    runLater( () -> {
70
      final var logEntry = new LogEntry( event );
71
72
      if( !mItems.contains( logEntry ) ) {
73
        mItems.add( logEntry );
74
75
        while( mItems.size() > CACHE_SIZE ) {
76
          mItems.remove( 0 );
77
        }
78
79
        mTable.scrollTo( logEntry );
80
      }
81
    } );
82
  }
83
84
  /**
85
   * Brings the dialog to the foreground, showing it if needed.
86
   */
87
  public void view() {
88
    super.show();
89
    getStage().toFront();
90
  }
91
92
  /**
93
   * Removes all the entries from the list.
94
   */
95
  public void clear() {
96
    mItems.clear();
97
    clue();
98
  }
99
100
  private void initTableView() {
101
    final var ctrlC = new KeyCodeCombination( C, CONTROL_ANY );
102
    final var ctrlInsert = new KeyCodeCombination( INSERT, CONTROL_ANY );
103
104
    final var colDate = new TableColumn<LogEntry, String>( "Date" );
105
    final var colMessage = new TableColumn<LogEntry, String>( "Message" );
106
    final var colTrace = new TableColumn<LogEntry, String>( "Trace" );
107
108
    colDate.setCellValueFactory( log -> log.getValue().dateProperty() );
109
    colMessage.setCellValueFactory( log -> log.getValue().messageProperty() );
110
    colTrace.setCellValueFactory( log -> log.getValue().traceProperty() );
111
112
    final var columns = mTable.getColumns();
113
    columns.add( colDate );
114
    columns.add( colMessage );
115
    columns.add( colTrace );
116
117
    mTable.setMaxWidth( Double.MAX_VALUE );
118
    mTable.setPrefWidth( 1024 );
119
    mTable.getSelectionModel().setSelectionMode( MULTIPLE );
120
    mTable.setOnKeyPressed( event -> {
121
      if( ctrlC.match( event ) || ctrlInsert.match( event ) ) {
122
        copyToClipboard( mTable );
123
      }
124
    } );
125
126
    final var pane = getDialogPane();
127
    pane.setContent( mTable );
128
  }
129
130
  private void initButtons() {
131
    final var pane = getDialogPane();
132
    final var CLEAR = new ButtonType( "CLEAR" );
133
    pane.getButtonTypes().add( CLEAR );
134
135
    final var buttonOk = (Button) pane.lookupButton( OK );
136
    final var buttonClear = (Button) pane.lookupButton( CLEAR );
137
138
    buttonOk.setDefaultButton( true );
139
    buttonClear.addEventFilter( ACTION, event -> {
140
      clear();
141
      event.consume();
142
    } );
143
144
    pane.setOnKeyReleased( t -> {
145
      switch( t.getCode() ) {
146
        case ENTER, ESCAPE -> buttonOk.fire();
147
      }
148
    } );
149
  }
150
151
  private void initIcon() {
152
    final var stage = getStage();
153
    stage.getIcons().add( ICON_DIALOG );
154
  }
155
156
  private void initActions() {
157
    final var stage = getStage();
158
    stage.setOnCloseRequest( event -> stage.hide() );
159
  }
160
161
  private Stage getStage() {
162
    return (Stage) getDialogPane().getScene().getWindow();
163
  }
164
165
  private static final class LogEntry {
166
    private final StringProperty mDate;
167
    private final StringProperty mMessage;
168
    private final StringProperty mTrace;
169
170
    /**
171
     * Constructs a new {@link LogEntry} for the current time.
172
     */
173
    public LogEntry( final StatusEvent event ) {
174
      mDate = new SimpleStringProperty( toString( now() ) );
175
      mMessage = new SimpleStringProperty( event.getMessage() );
176
      mTrace = new SimpleStringProperty( event.getProblem() );
177
    }
178
179
    private StringProperty messageProperty() {
180
      return mMessage;
181
    }
182
183
    private StringProperty dateProperty() {
184
      return mDate;
185
    }
186
187
    private StringProperty traceProperty() {
188
      return mTrace;
189
    }
190
191
    /**
192
     * Call from constructor to save log message for debugging purposes.
193
     */
194
    @SuppressWarnings( "unused" )
195
    private void persist() {
196
      try {
197
        final var file = createTempFile( APP_TITLE_LOWERCASE, ".log" );
198
        write( file, toString().getBytes(), CREATE, APPEND );
199
      } catch( final Exception ignored ) {
200
        System.out.println( toString() );
201
      }
202
    }
203
204
    @Override
205
    public boolean equals( final Object o ) {
206
      if( this == o ) { return true; }
207
      if( o == null || getClass() != o.getClass() ) { return false; }
208
209
      return Objects.equals( mMessage.get(), ((LogEntry) o).mMessage.get() );
210
    }
211
212
    @Override
213
    public int hashCode() {
214
      return mMessage != null ? mMessage.hashCode() : 0;
215
    }
216
217
    @Override
218
    public String toString() {
219
      final var date = mDate == null ? "" : mDate.get();
220
      final var message = mMessage == null ? "" : mMessage.get();
221
      final var trace = mTrace == null ? "" : mTrace.get();
222
223
      return "LogEntry{" +
224
        "mDate=" + (date == null ? "''" : date) +
225
        ", mMessage=" + (message == null ? "''" : message) +
226
        ", mTrace=" + (trace == null ? "''" : trace) +
227
        '}';
228
    }
229
230
    private String toString( final LocalDateTime date ) {
231
      return date.format( ofPattern( "d MMM u HH:mm:ss" ) );
232
    }
233
  }
234
235
  /**
236
   * Copies the contents of the selected rows into the clipboard; code is from
237
   * <a href="https://stackoverflow.com/a/48126059/59087">StackOverflow</a>.
238
   *
239
   * @param table The {@link TableView} having selected rows to copy.
240
   */
241
  public void copyToClipboard( final TableView<?> table ) {
242
    final var sb = new StringBuilder();
243
    final var rows = new TreeSet<Integer>();
244
    boolean firstRow = true;
245
246
    for( final var position : table.getSelectionModel().getSelectedCells() ) {
247
      rows.add( position.getRow() );
248
    }
249
250
    for( final var row : rows ) {
251
      if( !firstRow ) {
252
        sb.append( '\n' );
253
      }
254
255
      firstRow = false;
256
      boolean firstCol = true;
257
258
      for( final var column : table.getColumns() ) {
259
        if( !firstCol ) {
260
          sb.append( '\t' );
261
        }
262
263
        firstCol = false;
264
        final var data = column.getCellData( row );
265
        sb.append( data == null ? "" : data.toString() );
266
      }
267
    }
268
269
    final var contents = new ClipboardContent();
270
    contents.putString( sb.toString() );
271
    getSystemClipboard().setContent( contents );
272
  }
273
}
1274
A src/main/java/com/keenwrite/ui/outline/DocumentOutline.java
1
package com.keenwrite.ui.outline;
2
3
import com.keenwrite.events.Bus;
4
import com.keenwrite.events.ParseHeadingEvent;
5
import javafx.scene.control.TreeCell;
6
import javafx.scene.control.TreeItem;
7
import javafx.scene.control.TreeView;
8
import javafx.scene.text.Text;
9
import javafx.util.Callback;
10
import org.greenrobot.eventbus.Subscribe;
11
12
import static com.keenwrite.Constants.ICON_SIZE_DEFAULT;
13
import static com.keenwrite.events.Bus.register;
14
import static com.keenwrite.events.CaretNavigationEvent.fireCaretNavigationEvent;
15
import static de.jensd.fx.glyphs.fontawesome.FontAwesomeIcon.valueOf;
16
import static de.jensd.fx.glyphs.fontawesome.utils.FontAwesomeIconFactory.get;
17
import static javafx.application.Platform.runLater;
18
import static javafx.scene.input.MouseButton.PRIMARY;
19
import static javafx.scene.input.MouseEvent.MOUSE_PRESSED;
20
21
public class DocumentOutline extends TreeView<ParseHeadingEvent> {
22
  private TreeItem<ParseHeadingEvent> mCurrent;
23
24
  /**
25
   * Registers with the {@link Bus}.
26
   */
27
  public DocumentOutline() {
28
    register( this );
29
30
    // Override double-click to issue a caret navigation event.
31
    setCellFactory( new Callback<>() {
32
      @Override
33
      public TreeCell<ParseHeadingEvent> call(
34
        TreeView<ParseHeadingEvent> treeView ) {
35
        TreeCell<ParseHeadingEvent> cell = new TreeCell<>() {
36
          @Override
37
          protected void updateItem( ParseHeadingEvent item, boolean empty ) {
38
            super.updateItem( item, empty );
39
            if( empty || item == null ) {
40
              setText( null );
41
              setGraphic( null );
42
            }
43
            else {
44
              setText( item.toString() );
45
              setGraphic( createIcon() );
46
            }
47
          }
48
        };
49
50
        cell.addEventFilter( MOUSE_PRESSED, event -> {
51
          if( event.getButton() == PRIMARY && event.getClickCount() % 2 == 0 ) {
52
            fireCaretNavigationEvent( cell.getItem().getOffset() );
53
            event.consume();
54
          }
55
        } );
56
57
        return cell;
58
      }
59
    } );
60
  }
61
62
  /**
63
   * Updates the {@link TreeView} with the given event data. This method will
64
   * track the most recently added {@link TreeItem} so that the nesting
65
   * hierarchy reflects the document hierarchy.
66
   *
67
   * @param event Represents a document heading to add to the tree.
68
   */
69
  @Subscribe
70
  public void handle( final ParseHeadingEvent event ) {
71
    runLater(
72
      () -> mCurrent = event.isNewOutline() ? clear( event ) : addItem( event )
73
    );
74
  }
75
76
  private TreeItem<ParseHeadingEvent> clear( final ParseHeadingEvent event ) {
77
    final var root = createTreeItem( event );
78
    setRoot( root );
79
    setShowRoot( false );
80
    return root;
81
  }
82
83
  /**
84
   * This method is called once for every heading in the document. The event
85
   * data directly corresponds to the sequence of headings in the document.
86
   * The given event data contains a level that is relative to the last
87
   * item in the tree.
88
   *
89
   * @param next Contains a level value to indicate heading depth.
90
   */
91
  private TreeItem<ParseHeadingEvent> addItem( final ParseHeadingEvent next ) {
92
    var parent = mCurrent;
93
    final var item = createTreeItem( next );
94
    final var curr = parent.getValue();
95
    final var currLevel = curr.getLevel();
96
    final var nextLevel = next.getLevel();
97
    var deltaLevel = currLevel - nextLevel + 1;
98
99
    while( deltaLevel > 0 && parent != null ) {
100
      parent = parent.getParent();
101
      deltaLevel--;
102
    }
103
104
    if( parent == null ) {
105
      parent = getRoot();
106
    }
107
108
    parent.getChildren().add( item );
109
110
    return item;
111
  }
112
113
  private TreeItem<ParseHeadingEvent> createTreeItem(
114
    final ParseHeadingEvent event ) {
115
    final var item = new TreeItem<>( event, createIcon() );
116
    item.setExpanded( true );
117
    return item;
118
  }
119
120
  private Text createIcon() {
121
    return get().createIcon( valueOf( "BOOKMARK" ), ICON_SIZE_DEFAULT );
122
  }
123
}
1124
A src/main/java/com/keenwrite/ui/tree/AltTreeCell.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.tree;
3
4
import javafx.beans.property.Property;
5
import javafx.beans.property.SimpleStringProperty;
6
import javafx.beans.value.ChangeListener;
7
import javafx.beans.value.ObservableValue;
8
import javafx.event.EventHandler;
9
import javafx.scene.control.TextField;
10
import javafx.scene.control.cell.TextFieldTreeCell;
11
import javafx.scene.input.KeyEvent;
12
import javafx.util.StringConverter;
13
14
import static javafx.application.Platform.runLater;
15
import static javafx.scene.input.KeyCode.ENTER;
16
import static javafx.scene.input.KeyCode.TAB;
17
import static javafx.scene.input.KeyEvent.KEY_RELEASED;
18
19
/**
20
 * Responsible for enhancing the existing cell behaviour with fairly common
21
 * functionality, including commit on focus loss and Enter to commit.
22
 *
23
 * @param <T> The type of data stored by the tree.
24
 */
25
public class AltTreeCell<T> extends TextFieldTreeCell<T> {
26
  private final KeyHandler mKeyHandler = new KeyHandler();
27
  private final Property<String> mInputText = new SimpleStringProperty();
28
  private FocusListener mFocusListener;
29
30
  public AltTreeCell( final StringConverter<T> converter ) {
31
    super( converter );
32
    assert converter != null;
33
34
    // When the text field is added as the graphics context, we hook into
35
    // the changed value to get a handle on the text field. From there it is
36
    // possible to add change the keyboard and focus behaviours.
37
    graphicProperty().addListener( ( c, o, n ) -> {
38
      if( o instanceof TextField ) {
39
        o.removeEventHandler( KEY_RELEASED, mKeyHandler );
40
        o.focusedProperty().removeListener( mFocusListener );
41
      }
42
43
      if( n instanceof TextField ) {
44
        n.addEventFilter( KEY_RELEASED, mKeyHandler );
45
        final var input = (TextField) n;
46
        mInputText.bind( input.textProperty() );
47
        mFocusListener = new FocusListener( input );
48
        n.focusedProperty().addListener( mFocusListener );
49
      }
50
    } );
51
  }
52
53
  private void commitEdit() {
54
    commitEdit( getConverter().fromString( mInputText.getValue() ) );
55
  }
56
57
  /**
58
   * Responsible for accepting the text when users press the Enter or Tab key.
59
   */
60
  private class KeyHandler implements EventHandler<KeyEvent> {
61
    @Override
62
    public void handle( final KeyEvent event ) {
63
      if( event.getCode() == ENTER || event.getCode() == TAB ) {
64
        commitEdit();
65
        event.consume();
66
      }
67
    }
68
  }
69
70
  /**
71
   * Responsible for committing edits when focus is lost. This will also
72
   * deselect the input field when focus is gained so that typing text won't
73
   * overwrite the entire existing text.
74
   */
75
  private class FocusListener implements ChangeListener<Boolean> {
76
    private final TextField mInput;
77
78
    private FocusListener( final TextField input ) {
79
      mInput = input;
80
    }
81
82
    @Override
83
    public void changed(
84
      final ObservableValue<? extends Boolean> c,
85
      final Boolean endedFocus, final Boolean beganFocus ) {
86
87
      if( beganFocus ) {
88
        runLater( mInput::deselect );
89
      }
90
      else if( endedFocus ) {
91
        commitEdit();
92
      }
93
    }
94
  }
95
}
196
A src/main/java/com/keenwrite/ui/tree/AltTreeCellFactory.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.tree;
3
4
import javafx.scene.control.TreeCell;
5
import javafx.scene.control.TreeView;
6
import javafx.util.Callback;
7
import javafx.util.StringConverter;
8
9
/**
10
 * Responsible for creating new {@link TreeCell} instances.
11
 * <p>
12
 * TODO: #22 -- Upon refactoring variable functionality, re-instate drag & drop.
13
 * </p>
14
 *
15
 * @param <T> The data type stored in the tree.
16
 */
17
public class AltTreeCellFactory<T>
18
  implements Callback<TreeView<T>, TreeCell<T>> {
19
  private final StringConverter<T> mConverter;
20
21
  public AltTreeCellFactory( final StringConverter<T> converter ) {
22
    mConverter = converter;
23
  }
24
25
  @Override
26
  public TreeCell<T> call( final TreeView<T> treeView ) {
27
    return new AltTreeCell<>( mConverter );
28
  }
29
}
130
A src/main/java/com/keenwrite/ui/tree/AltTreeView.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.tree;
3
4
import javafx.scene.control.TreeItem;
5
import javafx.scene.control.TreeView;
6
import javafx.util.StringConverter;
7
8
/**
9
 * Responsible for allowing users to edit items in the tree as well as
10
 * drag and drop. The goal is to be a drop-in replacement for the regular
11
 * JavaFX {@link TreeView}, which does not offer editing and moving {@link
12
 * TreeItem} instances.
13
 *
14
 * @param <T> The type of data to edit.
15
 */
16
public class AltTreeView<T> extends TreeView<T> {
17
  public AltTreeView(
18
    final TreeItem<T> root, final StringConverter<T> converter ) {
19
    super( root );
20
21
    setEditable( true );
22
    setCellFactory( new AltTreeCellFactory<>( converter ) );
23
    setShowRoot( false );
24
25
    // When focus is lost, clear the selected item only when not editing.
26
    focusedProperty().addListener( ( c, o, n ) -> {
27
      if( o && getEditingItem() == null ) {
28
        getSelectionModel().clearSelection();
29
      }
30
    } );
31
  }
32
}
133
A src/main/java/com/keenwrite/ui/tree/TreeItemConverter.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.ui.tree;
3
4
import javafx.util.StringConverter;
5
6
/**
7
 * Responsible for converting objects to and from string instances. The
8
 * tree items contain only strings, so this effectively is a string-to-string
9
 * converter, which allows the implementation to retain its generics.
10
 */
11
public class TreeItemConverter extends StringConverter<String> {
12
13
  @Override
14
  public String toString( final String object ) {
15
    return sanitize( object );
16
  }
17
18
  @Override
19
  public String fromString( final String string ) {
20
    return sanitize( string );
21
  }
22
23
  private String sanitize( final String string ) {
24
    return string == null ? "" : string;
25
  }
26
}
127
A src/main/java/com/keenwrite/util/BoundedCache.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.util;
3
4
import java.util.LinkedHashMap;
5
import java.util.Map;
6
7
/**
8
 * A map that removes the oldest entry once its capacity (cache size) has
9
 * been reached.
10
 *
11
 * @param <K> The type of key mapped to a value.
12
 * @param <V> The type of value mapped to a key.
13
 */
14
public final class BoundedCache<K, V> extends LinkedHashMap<K, V> {
15
  private final int mCacheSize;
16
17
  /**
18
   * Constructs a new instance having a finite size.
19
   *
20
   * @param cacheSize The maximum number of entries.
21
   */
22
  public BoundedCache( final int cacheSize ) {
23
    mCacheSize = cacheSize;
24
  }
25
26
  @Override
27
  protected boolean removeEldestEntry(
28
      final Map.Entry<K, V> eldest ) {
29
    return size() > mCacheSize;
30
  }
31
}
132
A src/main/java/com/keenwrite/util/CyclicIterator.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.util;
3
4
import java.util.List;
5
import java.util.ListIterator;
6
import java.util.NoSuchElementException;
7
8
/**
9
 * Responsible for iterating over a list either forwards or backwards. When
10
 * the iterator reaches the last element in the list, the next element will
11
 * be the first. When the iterator reaches the first element in the list,
12
 * the previous element will be the last.
13
 * <p>
14
 * Due to the ability to move forwards and backwards through the list, rather
15
 * than force client classes to track the list index independently, this
16
 * iterator provides an accessor to the index. The index is zero-based.
17
 * </p>
18
 *
19
 * @param <T> The type of list to be cycled.
20
 */
21
public final class CyclicIterator<T> implements ListIterator<T> {
22
  private final List<T> mList;
23
24
  /**
25
   * Initialize to an invalid index so that the first calls to either
26
   * {@link #previous()} or {@link #next()} will return the starting or ending
27
   * element.
28
   */
29
  private int mIndex = -1;
30
31
  /**
32
   * Creates an iterator that cycles indefinitely through the given list.
33
   *
34
   * @param list The list to cycle through indefinitely.
35
   */
36
  public CyclicIterator( final List<T> list ) {
37
    mList = list;
38
  }
39
40
  /**
41
   * @return {@code true} if there is at least one element.
42
   */
43
  @Override
44
  public boolean hasNext() {
45
    return !mList.isEmpty();
46
  }
47
48
  /**
49
   * @return {@code true} if there is at least one element.
50
   */
51
  @Override
52
  public boolean hasPrevious() {
53
    return !mList.isEmpty();
54
  }
55
56
  @Override
57
  public int nextIndex() {
58
    return computeIndex( +1 );
59
  }
60
61
  @Override
62
  public int previousIndex() {
63
    return computeIndex( -1 );
64
  }
65
66
  @Override
67
  public void remove() {
68
    mList.remove( mIndex );
69
  }
70
71
  @Override
72
  public void set( final T t ) {
73
    mList.set( mIndex, t );
74
  }
75
76
  @Override
77
  public void add( final T t ) {
78
    mList.add( mIndex, t );
79
  }
80
81
  /**
82
   * Returns the next item in the list, which will cycle to the first
83
   * item as necessary.
84
   *
85
   * @return The next item in the list, cycling to the start if needed.
86
   */
87
  @Override
88
  public T next() {
89
    return cycle( +1 );
90
  }
91
92
  /**
93
   * Returns the previous item in the list, which will cycle to the last
94
   * item as necessary.
95
   *
96
   * @return The previous item in the list, cycling to the end if needed.
97
   */
98
  @Override
99
  public T previous() {
100
    return cycle( -1 );
101
  }
102
103
  /**
104
   * Cycles to the next or previous element, depending on the direction value.
105
   *
106
   * @param direction Use -1 for previous, +1 for next.
107
   * @return The next or previous item in the list.
108
   */
109
  private T cycle( final int direction ) {
110
    try {
111
      return mList.get( mIndex = computeIndex( direction ) );
112
    } catch( final Exception ex ) {
113
      throw new NoSuchElementException( ex );
114
    }
115
  }
116
117
  /**
118
   * Returns the index of the value retrieved from the most recent call to
119
   * either {@link #previous()} or {@link #next()}.
120
   *
121
   * @return The list item index or -1 if no calls have been made to retrieve
122
   * an item from the list.
123
   */
124
  public int getIndex() {
125
    return mIndex;
126
  }
127
128
  private int computeIndex( final int direction ) {
129
    final var i = mIndex + direction;
130
    final var size = mList.size();
131
    final var result = i < 0
132
        ? size - 1
133
        : size == 0 ? 0 : i % size;
134
135
    // Ensure the invariant holds.
136
    assert 0 <= result && result < size || size == 0 && result <= 0;
137
138
    return result;
139
  }
140
}
1141
A src/main/java/com/keenwrite/util/FontLoader.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.util;
3
4
import com.keenwrite.preview.HtmlPreview;
5
6
import java.awt.*;
7
import java.awt.font.TextAttribute;
8
import java.io.FileInputStream;
9
import java.io.IOException;
10
import java.io.InputStream;
11
import java.net.URI;
12
import java.util.Map;
13
14
import static com.keenwrite.Constants.FONT_DIRECTORY;
15
import static com.keenwrite.events.StatusEvent.clue;
16
import static com.keenwrite.util.ProtocolScheme.valueFrom;
17
import static com.keenwrite.util.ResourceWalker.GLOB_FONTS;
18
import static com.keenwrite.util.ResourceWalker.walk;
19
import static java.awt.Font.TRUETYPE_FONT;
20
import static java.awt.Font.createFont;
21
import static java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment;
22
import static java.awt.font.TextAttribute.*;
23
24
/**
25
 * Responsible for loading fonts into the application's
26
 * {@link GraphicsEnvironment} so that the {@link HtmlPreview} can display
27
 * the text using a non-system font.
28
 */
29
public final class FontLoader {
30
31
  /**
32
   * Walks the resources associated with the application to load all TrueType
33
   * font resources found. This method must run before the windowing system
34
   * kicks in, otherwise the fonts will not be found.
35
   * <p>
36
   * All fonts must be TrueType fonts. No PostScript Type 1 fonts are
37
   * supported.
38
   * </p>
39
   */
40
  @SuppressWarnings( "unchecked" )
41
  public static void initFonts() {
42
    try {
43
      final var ge = getLocalGraphicsEnvironment();
44
      walk(
45
        FONT_DIRECTORY, GLOB_FONTS, path -> {
46
          final var uri = path.toUri();
47
          final var filename = path.toString();
48
49
          try( final var is = openFont( uri, filename ) ) {
50
            final var font = createFont( TRUETYPE_FONT, is );
51
            final var attributes =
52
              (Map<TextAttribute, Integer>) font.getAttributes();
53
54
            attributes.put( LIGATURES, LIGATURES_ON );
55
            attributes.put( KERNING, KERNING_ON );
56
            ge.registerFont( font.deriveFont( attributes ) );
57
          } catch( final Exception ex ) {
58
            clue( ex );
59
          }
60
        }
61
      );
62
    } catch( final Exception ex ) {
63
      clue( ex );
64
    }
65
  }
66
67
  /**
68
   * Attempts to open a font, regardless of whether the font is a resource in
69
   * a JAR file or somewhere on the file system.
70
   *
71
   * @param uri      Directory or archive containing a font.
72
   * @param filename Name of the font file.
73
   * @return An open file handled to the font.
74
   * @throws IOException Could not open the resource as a stream.
75
   */
76
  private static InputStream openFont( final URI uri, final String filename )
77
    throws IOException {
78
    return valueFrom( uri ).isJar()
79
      ? FontLoader.class.getResourceAsStream( filename )
80
      : new FileInputStream( filename );
81
  }
82
}
183
A src/main/java/com/keenwrite/util/GenericBuilder.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.util;
3
4
import java.util.ArrayList;
5
import java.util.List;
6
import java.util.function.BiConsumer;
7
import java.util.function.Consumer;
8
import java.util.function.Function;
9
import java.util.function.Supplier;
10
11
/**
12
 * Responsible for constructing objects that would otherwise require
13
 * a long list of constructor parameters.
14
 * <p>
15
 * See <a href="https://stackoverflow.com/a/31754787/59087">source</a> for
16
 * details.
17
 * </p>
18
 *
19
 * @param <MT> The mutable definition for the type of object to build.
20
 * @param <IT> The immutable definition for the type of object to build.
21
 */
22
public class GenericBuilder<MT, IT> {
23
  /**
24
   * Provides the methods to use for setting object properties.
25
   */
26
  private final Supplier<MT> mMutable;
27
28
  /**
29
   * Calling {@link #build()} will instantiate the immutable instance using
30
   * the mutator.
31
   */
32
  private final Function<MT, IT> mImmutable;
33
34
  /**
35
   * Adds a modifier to call when building an instance.
36
   */
37
  private final List<Consumer<MT>> mModifiers = new ArrayList<>();
38
39
  /**
40
   * Constructs a new builder instance that is capable of populating values for
41
   * any type of object.
42
   *
43
   * @param mutator Provides methods to use for setting object properties.
44
   */
45
  protected GenericBuilder(
46
      final Supplier<MT> mutator, final Function<MT, IT> immutable ) {
47
    assert mutator != null;
48
    assert immutable != null;
49
50
    mMutable = mutator;
51
    mImmutable = immutable;
52
  }
53
54
  /**
55
   * Starting point for building an instance of a particular class.
56
   *
57
   * @param supplier Returns the instance to build.
58
   * @param <MT>     The type of class to build.
59
   * @return A new {@link GenericBuilder} capable of populating data for an
60
   * instance of the class provided by the {@link Supplier}.
61
   */
62
  public static <MT, IT> GenericBuilder<MT, IT> of(
63
      final Supplier<MT> supplier, final Function<MT, IT> immutable ) {
64
    return new GenericBuilder<>( supplier, immutable );
65
  }
66
67
  /**
68
   * Registers a new value with the builder.
69
   *
70
   * @param consumer Accepts a value to be set upon the built object.
71
   * @param value    The value to use when building.
72
   * @param <V>      The type of value used when building.
73
   * @return This {@link GenericBuilder} instance.
74
   */
75
  public <V> GenericBuilder<MT, IT> with(
76
      final BiConsumer<MT, V> consumer, final V value ) {
77
    mModifiers.add( instance -> consumer.accept( instance, value ) );
78
    return this;
79
  }
80
81
  /**
82
   * Instantiates then populates the immutable object to build.
83
   *
84
   * @return The newly built object.
85
   */
86
  public IT build() {
87
    final var value = mMutable.get();
88
    mModifiers.forEach( modifier -> modifier.accept( value ) );
89
    mModifiers.clear();
90
    return mImmutable.apply( value );
91
  }
92
}
193
A src/main/java/com/keenwrite/util/MurmurHash.java
1
package com.keenwrite.util;
2
3
/**
4
 * The MurmurHash3 algorithm was created by Austin Appleby and placed in the
5
 * public domain. This Java port was authored by Yonik Seeley and also placed
6
 * into the public domain. The author hereby disclaims copyright to this
7
 * source code.
8
 * <p>
9
 * This produces exactly the same hash values as the final C++ version and is
10
 * thus suitable for producing the same hash values across platforms.
11
 * <p>
12
 * The 32-bit x86 version of this hash should be the fastest variant for
13
 * relatively short keys like ids. Using {@link #hash32} is a
14
 * good choice for longer strings or returning more than 32 hashed bits.
15
 * <p>
16
 * The x86 and x64 versions do not produce the same results because
17
 * algorithms are optimized for their respective platforms.
18
 * <p>
19
 * Code clean-up by White Magic Software, Ltd.
20
 * </p>
21
 */
22
public final class MurmurHash {
23
  /**
24
   * Returns the 32-bit x86-optimized hash of the UTF-8 bytes of the String
25
   * without actually encoding the string to a temporary buffer. This is over
26
   * twice as fast as hashing the result of {@link String#getBytes()}.
27
   */
28
  @SuppressWarnings( "unused" )
29
  public static int hash32( CharSequence data, int offset, int len, int seed ) {
30
    final int c1 = 0xcc9e2d51;
31
    final int c2 = 0x1b873593;
32
33
    int h1 = seed;
34
35
    int pos = offset;
36
    int end = offset + len;
37
    int k1 = 0;
38
    int k2;
39
    int shift = 0;
40
    int bits;
41
    int nBytes = 0;   // length in UTF8 bytes
42
43
    while( pos < end ) {
44
      int code = data.charAt( pos++ );
45
      if( code < 0x80 ) {
46
        k2 = code;
47
        bits = 8;
48
      }
49
      else if( code < 0x800 ) {
50
        k2 = (0xC0 | (code >> 6))
51
          | ((0x80 | (code & 0x3F)) << 8);
52
        bits = 16;
53
      }
54
      else if( code < 0xD800 || code > 0xDFFF || pos >= end ) {
55
        // we check for pos>=end to encode an unpaired surrogate as 3 bytes.
56
        k2 = (0xE0 | (code >> 12))
57
          | ((0x80 | ((code >> 6) & 0x3F)) << 8)
58
          | ((0x80 | (code & 0x3F)) << 16);
59
        bits = 24;
60
      }
61
      else {
62
        // surrogate pair
63
        // int utf32 = pos < end ? (int) data.charAt(pos++) : 0;
64
        int utf32 = data.charAt( pos++ );
65
        utf32 = ((code - 0xD7C0) << 10) + (utf32 & 0x3FF);
66
        k2 = (0xff & (0xF0 | (utf32 >> 18)))
67
          | ((0x80 | ((utf32 >> 12) & 0x3F))) << 8
68
          | ((0x80 | ((utf32 >> 6) & 0x3F))) << 16
69
          | (0x80 | (utf32 & 0x3F)) << 24;
70
        bits = 32;
71
      }
72
73
      k1 |= k2 << shift;
74
75
      // int used_bits = 32 - shift;  // how many bits of k2 were used in k1.
76
      // int unused_bits = bits - used_bits; //  (bits-(32-shift)) ==
77
      // bits+shift-32  == bits-newshift
78
79
      shift += bits;
80
      if( shift >= 32 ) {
81
        // mix after we have a complete word
82
83
        k1 *= c1;
84
        k1 = (k1 << 15) | (k1 >>> 17);  // ROTL32(k1,15);
85
        k1 *= c2;
86
87
        h1 ^= k1;
88
        h1 = (h1 << 13) | (h1 >>> 19);  // ROTL32(h1,13);
89
        h1 = h1 * 5 + 0xe6546b64;
90
91
        shift -= 32;
92
        // unfortunately, java won't let you shift 32 bits off, so we need to
93
        // check for 0
94
        if( shift != 0 ) {
95
          k1 = k2 >>> (bits - shift);   // bits used == bits - newshift
96
        }
97
        else {
98
          k1 = 0;
99
        }
100
        nBytes += 4;
101
      }
102
103
    } // inner
104
105
    // handle tail
106
    if( shift > 0 ) {
107
      nBytes += shift >> 3;
108
      k1 *= c1;
109
      k1 = (k1 << 15) | (k1 >>> 17);  // ROTL32(k1,15);
110
      k1 *= c2;
111
      h1 ^= k1;
112
    }
113
114
    // finalization
115
    h1 ^= nBytes;
116
117
    // fmix(h1);
118
    h1 ^= h1 >>> 16;
119
    h1 *= 0x85ebca6b;
120
    h1 ^= h1 >>> 13;
121
    h1 *= 0xc2b2ae35;
122
    h1 ^= h1 >>> 16;
123
124
    return h1;
125
  }
126
}
1127
A src/main/java/com/keenwrite/util/ProtocolScheme.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.util;
3
4
import java.io.File;
5
import java.net.URI;
6
import java.net.URL;
7
8
import static com.keenwrite.events.StatusEvent.clue;
9
10
/**
11
 * Represents the type of data encoding scheme used for a universal resource
12
 * indicator. Prefer to use the {@code is*} methods to check equality because
13
 * there are cases where the protocol represents more than one possible type
14
 * (e.g., a Java Archive is a file, so comparing {@link #FILE} directly could
15
 * lead to incorrect results).
16
 */
17
public enum ProtocolScheme {
18
  /**
19
   * Denotes a local file.
20
   */
21
  FILE,
22
  /**
23
   * Denotes either HTTP or HTTPS.
24
   */
25
  HTTP,
26
  /**
27
   * Denotes the File Transfer Protocol.
28
   */
29
  FTP,
30
  /**
31
   * Denotes Java archive file.
32
   */
33
  JAR,
34
  /**
35
   * Could not determine schema (or is not supported by the application).
36
   */
37
  UNKNOWN;
38
39
  /**
40
   * Returns the protocol for a given URI or file name.
41
   *
42
   * @param resource Determine the protocol for this URI or file name.
43
   * @return The protocol for the given resource.
44
   */
45
  public static ProtocolScheme getProtocol( final String resource ) {
46
    try {
47
      final var uri = new URI( resource );
48
      return uri.isAbsolute()
49
        ? valueFrom( uri )
50
        : valueFrom( new URL( resource ) );
51
    } catch( final Exception ex ) {
52
      // Using double-slashes is a short-hand to instruct the browser to
53
      // reference a resource using the parent URL's security model. This
54
      // is known as a protocol-relative URL.
55
      return resource.startsWith( "//" )
56
        ? HTTP
57
        : valueFrom( new File( resource ) );
58
    }
59
  }
60
61
  /**
62
   * Determines the protocol scheme for a given string.
63
   *
64
   * @param protocol A string representing data encoding protocol scheme.
65
   * @return {@link #UNKNOWN} if the protocol is unrecognized, otherwise a
66
   * valid value from this enumeration.
67
   */
68
  public static ProtocolScheme valueFrom( final String protocol ) {
69
    final var sanitized = protocol == null ? "" : protocol.toUpperCase();
70
71
    for( final var scheme : values() ) {
72
      // This will match HTTP/HTTPS as well as FILE*, which may be inaccurate.
73
      if( sanitized.startsWith( scheme.name() ) ) {
74
        return scheme;
75
      }
76
    }
77
78
    return UNKNOWN;
79
  }
80
81
  /**
82
   * Determines the protocol scheme for a given {@link File}.
83
   *
84
   * @param file A file having a URI that contains a protocol scheme.
85
   * @return {@link #UNKNOWN} if the protocol is unrecognized, otherwise a
86
   * valid value from this enumeration.
87
   */
88
  public static ProtocolScheme valueFrom( final File file ) {
89
    return valueFrom( file.toURI() );
90
  }
91
92
  /**
93
   * Determines the protocol scheme for a given {@link URI}.
94
   *
95
   * @param uri A URI that contains a protocol scheme.
96
   * @return {@link #UNKNOWN} if the protocol is unrecognized, otherwise a
97
   * valid value from this enumeration.
98
   */
99
  public static ProtocolScheme valueFrom( final URI uri ) {
100
    try {
101
      return valueFrom( uri.toURL() );
102
    } catch( final Exception ex ) {
103
      clue( ex );
104
      return UNKNOWN;
105
    }
106
  }
107
108
  /**
109
   * Determines the protocol scheme for a given {@link URL}.
110
   *
111
   * @param url A {@link URL} that contains a protocol scheme.
112
   * @return {@link #UNKNOWN} if the protocol is unrecognized, otherwise a
113
   * valid value from this enumeration.
114
   */
115
  public static ProtocolScheme valueFrom( final URL url ) {
116
    return valueFrom( url.getProtocol() );
117
  }
118
119
  /**
120
   * Answers {@code true} if the given protocol is for a local file, which
121
   * includes a JAR file.
122
   *
123
   * @return {@code false} the protocol is not a local file reference.
124
   */
125
  public boolean isFile() {
126
    return this == FILE || this == JAR;
127
  }
128
129
  /**
130
   * Answers whether the given protocol is HTTP or HTTPS.
131
   *
132
   * @return {@code true} the protocol is either HTTP or HTTPS.
133
   */
134
  public boolean isHttp() {
135
    return this == HTTP;
136
  }
137
138
  /**
139
   * Answers whether the given protocol is FTP.
140
   *
141
   * @return {@code true} the protocol is FTP.
142
   */
143
  public boolean isFtp() {
144
    return this == HTTP;
145
  }
146
147
  /**
148
   * Answers whether the given protocol represents a remote resource.
149
   *
150
   * @return {@code true} the protocol is HTTP(S) or FTP.
151
   */
152
  public boolean isRemote() {
153
    return isHttp() || isFtp();
154
  }
155
156
  /**
157
   * Answers {@code true} if the given protocol is for a Java archive file.
158
   *
159
   * @return {@code false} the protocol is not a Java archive file.
160
   */
161
  public boolean isJar() {
162
    return this == JAR;
163
  }
164
}
1165
A src/main/java/com/keenwrite/util/ResourceWalker.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.util;
3
4
import java.io.IOException;
5
import java.net.URISyntaxException;
6
import java.nio.file.FileSystem;
7
import java.nio.file.Files;
8
import java.nio.file.Path;
9
import java.nio.file.Paths;
10
import java.util.function.Consumer;
11
12
import static com.keenwrite.util.ProtocolScheme.JAR;
13
import static com.keenwrite.util.ProtocolScheme.valueFrom;
14
import static java.nio.file.FileSystems.getDefault;
15
import static java.nio.file.FileSystems.newFileSystem;
16
import static java.util.Collections.emptyMap;
17
18
/**
19
 * Responsible for finding file resources.
20
 */
21
public final class ResourceWalker {
22
  /**
23
   * Globbing pattern to match font names.
24
   */
25
  public static final String GLOB_FONTS = "**.{ttf,otf}";
26
27
  /**
28
   * @param directory The root directory to scan for files matching the glob.
29
   * @param c         The consumer function to call for each matching path
30
   *                  found.
31
   * @throws URISyntaxException Could not convert the resource to a URI.
32
   * @throws IOException        Could not walk the tree.
33
   */
34
  public static void walk(
35
    final String directory, final String glob, final Consumer<Path> c )
36
    throws URISyntaxException, IOException {
37
    final var resource = ResourceWalker.class.getResource( directory );
38
    final var matcher = getDefault().getPathMatcher( "glob:" + glob );
39
40
    if( resource != null ) {
41
      final var uri = resource.toURI();
42
      final Path path;
43
      FileSystem fs = null;
44
45
      if( valueFrom( uri ) == JAR ) {
46
        fs = newFileSystem( uri, emptyMap() );
47
        path = fs.getPath( directory );
48
      }
49
      else {
50
        path = Paths.get( uri );
51
      }
52
53
      try( final var walk = Files.walk( path, 10 ) ) {
54
        for( final var it = walk.iterator(); it.hasNext(); ) {
55
          final Path p = it.next();
56
          if( matcher.matches( p ) ) {
57
            c.accept( p );
58
          }
59
        }
60
      } finally {
61
        if( fs != null ) { fs.close(); }
62
      }
63
    }
64
  }
65
}
166
A src/main/r/README.md
1
# R Scripts
2
3
These R scripts illustrate how R can be used within an application to perform calculations using variables. Authors are free to write their own scripts, of course. These scripts serve as an example of how to automate certain tasks while writing.
4
5
## Configuration
6
7
Configure the editor to use the R scripts as follows:
8
9
1. Copy the R scripts into same directory as your Markdown files.
10
1. Start the editor.
11
1. Click **Tools → R Script**.
12
1. Copy and paste the following:
13
14
        assign( 'anchor', as.Date( '$date.anchor$', format='%Y-%m-%d' ), envir = .GlobalEnv );
15
        setwd( '$application.r.working.directory$' );
16
        source( 'pluralize.R' );
17
        source( 'csv.R' );
18
        source( 'conversion.R' );
19
20
1. Click **File → New** to create a new file.
21
1. Click **File → Save As** to set a filename.
22
1. Set **Name** to: `variables.yaml`
23
1. Click **OK**.
24
1. Paste the following definitions:
25
26
        date:
27
          anchor: 2017-01-01
28
        editor:
29
          examples:
30
            season: 2017-09-02
31
            math:
32
              x: 1
33
              y: $editor.examples.math.x$ + 1
34
              z: $editor.examples.math.y$ + 1
35
            name:
36
              given: Josephene
37
38
1. Save and close the file.
39
1. Click **File → Open**
40
1. Change **Markdown Files** to **Definition Files**.
41
1. Select `variables.yaml`.
42
1. Click **Open**.
43
44
R functionality is configured.
45
46
## Definitions
47
48
The variables definitions within `variables.yaml` are available to R using the R syntax. An additional variable, `application.r.working.directory` is added to the list of variables. The value is set to the working directory of the file being edited. Hover the mouse cursor over the file tab in the editor to see the full path to the file.
49
50
## Examples
51
52
This section demonstrates how to use the R functions when editing. Complete the following steps to begin:
53
54
1. Click **File → New** to create a new file.
55
1. Click **File → Save As** to set a filename.
56
1. Set **Name** to: `example.Rmd`
57
1. Click **OK**.
58
59
The examples are ready for use within the editor.
60
61
### Arithmetic
62
63
Type the following to perform a simple calculation:
64
65
    `r# 1+1`
66
67
The preview pane shows `2.0`.
68
69
### Functions
70
71
Call the [format](https://stat.ethz.ch/R-manual/R-devel/library/base/html/format.html) function to truncate unwanted decimal places as follows:
72
73
    `r# format(1+1,digits=1)`
74
75
The preview pane shows `2`.
76
77
### Pluralize
78
79
Many English words can be pluralized as follows:
80
81
    `r# pl('wolf',2)`
82
83
The preview pane shows `wolves`. The `pluralize.R` file contains a partial implementation of Damian Conway's algorithmic approach to English pluralization.
84
85
### Chicago Manual of Style
86
87
Apply the Chicago Manual of Style for words less than one-hundred as follows:
88
89
       `r# cms(1)` `r# cms(99)` `r# cms(101)`
90
91
The preview pane shows numbers written out as `one` and `ninety-nine`, followed by the digits 101.
92
93
### Data Import
94
95
Import and display information from a CSV file as follows:
96
97
1. Click **File → New** to create a new file.
98
1. Click **File → Save As** to rename the file.
99
1. Set the filename to: `data.csv`
100
1. Paste the following into `data.csv`:
101
102
        Animal,Quantity,Country
103
        Aardwolf,1,Africa
104
        Keel-billed toucan,1,Belize
105
        Beaver,2,Canada
106
        Mute swan,3,Denmark
107
        Lion,5,Ethiopia
108
        Brown bear,8,Finland
109
        Dolphin,13,Greece
110
        Turul,21,Hungary
111
        Gyrfalcon,34,Iceland
112
        Red-billed streamertail,55,Jamaica
113
114
1. Click the `example.Rmd` tab.
115
1. Type the following:
116
117
       `r# csv2md('data.csv',total=F)`
118
119
1. Type the following to calculate a total for all numeric columns:
120
121
       `r# csv2md('data.csv')`
122
123
This imports the data from an external file and formats the information into a table, automatically. Update the data as follows:
124
125
1. Click the `data.csv` tab to edit the data.
126
1. Change the data by adding a new row.
127
1. Save the file.
128
1. Click the `example.Rmd` tab.
129
130
The preview pane shows the revised contents.
131
132
### Elapsed Time
133
134
The duration of a timeline, given in numbers of days, can be computed into English as follows:
135
136
    `r# elapsed(1,1)`
137
138
The preview pane shows `same day`. Change the expression to:
139
140
    `r# elapsed(1,2)`
141
142
The preview pane shows `one day`. Change the expression to:
143
144
    `r# elapsed(1,112358)`
145
146
The preview pane shows `307 years, seven months, and sixteen days`, combined using the Chicago Manual of Style, the pluralization function, and a [serial comma](https://www.behance.net/gallery/19417363/The-Oxford-Comma).
147
148
### Variable Syntax
149
150
The syntax for a variable changes when using an R Markdown file (denoted by the `.Rmd` filename extension), as opposed to a regular Markdown file (`.md`). Return to the example file and type the following:
151
152
    `r# v$date$anchor`
153
154
The preview pane shows the date.
155
156
### Autocomplete
157
158
Automatically insert a variable reference into the text as follows:
159
160
1. Type: `Jos`
161
    * Note the capital letter, matches are case sensitive.
162
1. Hold down the `Control` key.
163
1. Tap the `Spacebar`
164
165
The editor shows:
166
167
    `r#x( v$editor$examples$name$given )`
168
169
The preview pane shows:
170
171
    Josephine
172
173
Here, the `x` function evaluates its parameter as an expression. This allows variables to include expressions in their definition.
174
175
### Variable Definition Expressions
176
177
Definition file variables are have the ability to reference other definitions. Try the following:
178
179
    x = `r#x( v$editor$examples$math$x )`;
180
    y = `r#x( v$editor$examples$math$y )`;
181
    z = `r#x( v$editor$examples$math$z )`
182
183
The preview pane shows:
184
185
    x = 1.0; y = 2.0; z = 3.0
186
187
### Case
188
189
Ensure words begin with a lowercase letter as follows:
190
191
    `r#lc( v$editor$examples$name$given )`
192
193
The preview pane shows:
194
195
    josephine
196
197
Similarly, ensure an uppercase letter as follows:
198
199
    `r#uc( 'hello, world!' )`
200
201
The preview pane shows:
202
203
    Hello, world!
204
205
### Month
206
207
Display the month name given a month number as follows:
208
209
    `r# month( 1 )`
210
211
The preview pane shows:
212
213
    January
214
215
## Summary
216
217
Authors can inline R statements into documents, directly, so long as those statements generate text. Plots, graphs, and images must be referenced as external image files or URLs.
1218
A src/main/r/conversion.R
1
# ########################################################################
2
#
3
# Substitute R expressions in a document with their evaluated value. The
4
# anchor variable must be set for functions that use relative dates.
5
#
6
# ########################################################################
7
8
# Evaluates an expression; writes s if there is no expression.
9
x <- function( s ) {
10
  return(
11
    tryCatch({
12
      r = eval( parse( text=s ) )
13
14
      # If the result isn't primitive, then it was probably parsed into
15
      # an unprintable object (e.g., "gray" becomes a colour). In those
16
      # cases, return the original text string. Otherwise, an atomic
17
      # value means a primitive type (string, integer, etc.) that can be
18
      # written directly into the document.
19
      #
20
      # See: http://stackoverflow.com/a/19501276/59087
21
      if( is.atomic( r ) ) {
22
        r
23
      }
24
      else {
25
        s
26
      }
27
    },
28
    warning = function( w ) {
29
      s
30
    },
31
    error = function( e ) {
32
      s
33
    })
34
  )
35
}
36
37
# Returns a date offset by a given number of days, relative to the given
38
# date (d). This does not use the anchor, but is used to get the anchor's
39
# value as a date.
40
when <- function( d, n = 0, format = "%Y-%m-%d" ) {
41
  as.Date( d, format = format ) + x( n )
42
}
43
44
# Full date (s) offset by an optional number of days before or after.
45
# This will remove leading zeros (applying leading spaces instead, which
46
# are ignored by any worthwhile typesetting engine).
47
annal <- function( days = 0, format = "%Y-%m-%d", oformat = "%B %d, %Y" ) {
48
  format( when( anchor, days ), format = oformat )
49
}
50
51
# Extracts the year from a date string.
52
year <- function( days = 0, format = "%Y-%m-%d" ) {
53
  annal( days, format, "%Y" )
54
}
55
56
# Day of the week (in days since the anchor date).
57
weekday <- function( n ) {
58
  weekdays( when( anchor, n ) )
59
}
60
61
# String concatenate function alias because paste0 is a terrible name.
62
concat <- paste0
63
64
# Translates a number from digits to words using Chicago Manual of Style.
65
# This does not translate numbers greater than one hundred. If ordinal
66
# is TRUE, this will return the ordinal name. This will not produce ordinals
67
# for numbers greater than 100
68
cms <- function( n, ordinal = FALSE ) {
69
  n <- x( n )
70
71
  # We're done here.
72
  if( n == 0 ) {
73
    if( ordinal ) {
74
      return( "zeroth" )
75
    }
76
77
    return( "zero" )
78
  }
79
80
  # Concatenate this a little later.
81
  if( n < 0 ) {
82
    result = "negative "
83
    n = abs( n )
84
  }
85
86
  # Do not spell out numbers greater than one hundred.
87
  if( n > 100 ) {
88
    # Comma-separated numbers.
89
    return( format( n, big.mark=",", trim=TRUE, scientific=FALSE ) )
90
  }
91
92
  # Don't go beyond 100.
93
  if( n == 100 ) {
94
    if( ordinal ) {
95
      return( "one hundredth" )
96
    }
97
98
    return( "one hundred" )
99
  }
100
101
  # Samuel Langhorne Clemens noted English has too many exceptions.
102
  small = c(
103
    "one", "two", "three", "four", "five",
104
    "six", "seven", "eight", "nine", "ten",
105
    "eleven", "twelve", "thirteen", "fourteen", "fifteen",
106
    "sixteen", "seventeen", "eighteen", "nineteen"
107
  )
108
109
  ord_small = c(
110
    "first", "second", "third", "fourth", "fifth",
111
    "sixth", "seventh", "eighth", "ninth", "tenth",
112
    "eleventh", "twelfth", "thirteenth", "fourteenth", "fifteenth",
113
    "sixteenth", "seventeenth", "eighteenth", "nineteenth", "twentieth"
114
  )
115
116
  # After this, the number (n) is between 20 and 99.
117
  if( n < 20 ) {
118
    if( ordinal ) {
119
      return( .subset( ord_small, n %% 100 ) )
120
    }
121
122
    return( .subset( small, n %% 100 ) )
123
  }
124
125
  tens = c( "",
126
    "twenty", "thirty", "forty", "fifty",
127
    "sixty", "seventy", "eighty", "ninety"
128
  )
129
130
  ord_tens = c( "",
131
    "twentieth", "thirtieth", "fortieth", "fiftieth",
132
    "sixtieth", "seventieth", "eightieth", "ninetieth"
133
  )
134
135
  ones_index = n %% 10
136
  n = n %/% 10
137
138
  # No number in the ones column, so the number must be a multiple of ten.
139
  if( ones_index == 0 ) {
140
    if( ordinal ) {
141
      return( .subset( ord_tens, n ) )
142
    }
143
144
    return( .subset( tens, n ) )
145
  }
146
147
  # Find the value from the ones column.
148
  if( ordinal ) {
149
    unit_1 = .subset( ord_small, ones_index )
150
  }
151
  else {
152
    unit_1 = .subset( small, ones_index )
153
  }
154
155
  # Find the tens column.
156
  unit_10 = .subset( tens, n )
157
158
  # Hyphenate the tens and the ones together.
159
  concat( unit_10, concat( "-", unit_1 ) )
160
}
161
162
# Returns a human-readable string that provides the elapsed time between
163
# two numbers in terms of years, months, and days. If any unit value is zero,
164
# the unit is not included. The words (year, month, day) are pluralized
165
# according to English grammar. The numbers are written out according to
166
# Chicago Manual of Style. This applies the serial comma.
167
#
168
# Both numbers are offsets relative to the anchor date.
169
#
170
# If all unit values are zero, this returns s ("same day" by default).
171
#
172
# If the start date (began) is greater than end date (ended), the dates are
173
# swapped before calculations are performed. This allows any two dates
174
# to be compared and positive unit values are always returned.
175
#
176
elapsed <- function( began, ended, s = "same day" ) {
177
  began = when( anchor, began )
178
  ended = when( anchor, ended )
179
180
  # Swap the dates if the end date comes before the start date.
181
  if( as.integer( ended - began ) < 0 ) {
182
    tempd = began
183
    began = ended
184
    ended = tempd
185
  }
186
187
  # Calculate number of elapsed years.
188
  years = length( seq( from = began, to = ended, by = 'year' ) ) - 1
189
190
  # Move the start date up by the number of elapsed years.
191
  if( years > 0 ) {
192
    began = seq( began, length = 2, by = concat( years, " years" ) )[2]
193
    years = pl.numeric( "year", years )
194
  }
195
  else {
196
    # Zero years.
197
    years = ""
198
  }
199
200
  # Calculate number of elapsed months, excluding years.
201
  months = length( seq( from = began, to = ended, by = 'month' ) ) - 1
202
203
  # Move the start date up by the number of elapsed months
204
  if( months > 0 ) {
205
    began = seq( began, length = 2, by = concat( months, " months" ) )[2]
206
    months = pl.numeric( "month", months )
207
  }
208
  else {
209
    # Zero months
210
    months = ""
211
  }
212
213
  # Calculate number of elapsed days, excluding months and years.
214
  days = length( seq( from = began, to = ended, by = 'day' ) ) - 1
215
216
  if( days > 0 ) {
217
    days = pl.numeric( "day", days )
218
  }
219
  else {
220
    # Zero days
221
    days = ""
222
  }
223
224
  if( years <= 0 && months <= 0 && days <= 0 ) {
225
    return( s )
226
  }
227
228
  # Put them all in a vector, then remove the empty values.
229
  s <- c( years, months, days )
230
  s <- s[ s != "" ]
231
232
  r <- paste( s, collapse = ", " )
233
234
  # If all three items are present, replace the last comma with ", and".
235
  if( length( s ) > 2 ) {
236
    return( gsub( "(.*),", "\\1, and", r ) )
237
  }
238
239
  # Does nothing if no commas are present.
240
  gsub( "(.*),", "\\1 and", r )
241
}
242
243
# Returns the number (n) in English followed by the plural or singular
244
# form of the given string (s; resumably a noun), if applicable, according
245
# to English grammar. That is, pl.numeric( "wolf", 5 ) will return
246
# "five wolves".
247
pl.numeric <- function( s, n ) {
248
  concat( cms( n ), concat( " ", pluralize( s, n ) ) )
249
}
250
251
# Name of the season, starting with an capital letter.
252
season <- function( n, format = "%Y-%m-%d" ) {
253
  WS <- as.Date("2016-12-15", "%Y-%m-%d") # Winter Solstice
254
  SE <- as.Date("2016-03-15", "%Y-%m-%d") # Spring Equinox
255
  SS <- as.Date("2016-06-15", "%Y-%m-%d") # Summer Solstice
256
  AE <- as.Date("2016-09-15", "%Y-%m-%d") # Autumn Equinox
257
258
  d <- when( anchor, n )
259
  d <- as.Date( strftime( d, format="2016-%m-%d" ) )
260
261
  ifelse( d >= WS | d < SE, "Winter",
262
    ifelse( d >= SE & d < SS, "Spring",
263
      ifelse( d >= SS & d < AE, "Summer", "Autumn" )
264
    )
265
  )
266
}
267
268
# Converts the first letter in a string to lowercase
269
lc <- function( s ) {
270
  concat( tolower( substr( s, 1, 1 ) ), substr( s, 2, nchar( s ) ) )
271
}
272
273
# Converts the first letter in a string to uppercase
274
uc <- function( s ) {
275
  concat( toupper( substr( s, 1, 1 ) ), substr( s, 2, nchar( s ) ) )
276
}
277
278
# Returns the number of days between the given dates.
279
days <- function( d1, d2, format = "%Y-%m-%d" ) {
280
  dates = c( d1, d2 )
281
  dt = strptime( dates, format = format )
282
  as.integer( difftime( dates[2], dates[1], units = "days" ) )
283
}
284
285
# Returns the number of years elapsed.
286
years <- function( began, ended ) {
287
  began = when( anchor, began )
288
  ended = when( anchor, ended )
289
290
  # Swap the dates if the end date comes before the start date.
291
  if( as.integer( ended - began ) < 0 ) {
292
    tempd = began
293
    began = ended
294
    ended = tempd
295
  }
296
297
  # Calculate number of elapsed years.
298
  length( seq( from = began, to = ended, by = 'year' ) ) - 1
299
}
300
301
# Full name of the month, starting with a capital letter.
302
month <- function( n ) {
303
  # Faster than month.name[ x( n ) ]
304
  .subset( month.name, x( n ) )
305
}
306
307
money <- function( n ) {
308
  formatC( x( n ), format="d" )
309
}
1310
A src/main/r/csv.R
1
# ######################################################################
2
#
3
# Copyright 2016, White Magic Software, Ltd.
4
# 
5
# Permission is hereby granted, free of charge, to any person obtaining
6
# a copy of this software and associated documentation files (the
7
# "Software"), to deal in the Software without restriction, including
8
# without limitation the rights to use, copy, modify, merge, publish,
9
# distribute, sublicense, and/or sell copies of the Software, and to
10
# permit persons to whom the Software is furnished to do so, subject to
11
# the following conditions:
12
# 
13
# The above copyright notice and this permission notice shall be
14
# included in all copies or substantial portions of the Software.
15
# 
16
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23
#
24
# ######################################################################
25
26
# ######################################################################
27
#
28
# Converts CSV to Markdown.
29
#
30
# ######################################################################
31
32
# Reads a CSV file and converts the contents to a Markdown table. The
33
# file must be in the working directory as specified by setwd.
34
#
35
# @param f The filename to convert.
36
# @param decimals Rounded decimal places (default 1).
37
# @param totals Include total sums (default TRUE).
38
# @param align Right-align numbers (default TRUE).
39
csv2md <- function( f, decimals = 1, totals = T, align = T ) {
40
  # Read the CVS data from the file; ensure strings become characters.
41
  df <- read.table( f, sep=',', header=T, stringsAsFactors=F )
42
43
  if( totals ) {
44
    # Determine what columns can be summed.
45
    number <- which( unlist( lapply( df, is.numeric ) ) )
46
47
    # Use colSums when more than one summable column exists.
48
    if( length( number ) > 1 ) {
49
      f.sum <- colSums
50
    }
51
    else {
52
      f.sum <- sum
53
    }
54
55
    # Calculate the sum of all the summable columns and insert the
56
    # results back into the data frame.
57
    df[ (nrow( df ) + 1), number ] <- f.sum( df[, number], na.rm=TRUE )
58
59
    # pluralize would be heavyweight here.
60
    if( length( number ) > 1 ) {
61
      t <- "**Totals**"
62
    }
63
    else {
64
      t <- "**Total**"
65
    }
66
67
    # Change the first column of the last line to "Total(s)".
68
    df[ nrow( df ), 1 ] <- t
69
70
    # Don't clutter the output with "NA" text.
71
    df[ is.na( df ) ] <- ""
72
  }
73
74
  if( align ) {
75
    is.char <- vapply( df, is.character, logical( 1 ) )
76
    dashes <- paste( ifelse( is.char, ':---', '---:' ), collapse='|' )
77
  }
78
  else {
79
    dashes <- paste( rep( '---', length( df ) ), collapse = '|')
80
  }
81
82
  # Create a Markdown version of the data frame.
83
  paste(
84
    paste( names( df ), collapse = '|'), '\n',
85
    dashes, '\n', 
86
    paste(
87
      Reduce( function( x, y ) {
88
          paste( x, format( y, digits = decimals ), sep = '|' )
89
        }, df
90
      ),
91
      collapse = '|\n', sep=''
92
    )
93
  )
94
}
95
196
A src/main/r/pluralize.R
1
# ######################################################################
2
#
3
# Copyright 2016, White Magic Software, Ltd.
4
# 
5
# Permission is hereby granted, free of charge, to any person obtaining
6
# a copy of this software and associated documentation files (the
7
# "Software"), to deal in the Software without restriction, including
8
# without limitation the rights to use, copy, modify, merge, publish,
9
# distribute, sublicense, and/or sell copies of the Software, and to
10
# permit persons to whom the Software is furnished to do so, subject to
11
# the following conditions:
12
# 
13
# The above copyright notice and this permission notice shall be
14
# included in all copies or substantial portions of the Software.
15
# 
16
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23
#
24
# ######################################################################
25
26
# ######################################################################
27
#
28
# See Damian Conway's "An Algorithmic Approach to English Pluralization":
29
#   http://goo.gl/oRL4MP
30
# See Oliver Glerke's Evo Inflector: https://github.com/atteo/evo-inflector/
31
# See Shevek's Pluralizer: https://github.com/shevek/linguistics/
32
# See also: http://www.freevectors.net/assets/files/plural.txt
33
#
34
# ######################################################################
35
36
pluralize <- function( s, n ) {
37
  result <- s
38
39
  # Partial implementation of Conway's algorithm for nouns.
40
  if( n != 1 ) {
41
    if( pl.noninflective( s ) ||
42
        pl.suffix( "fish", s ) ||
43
        pl.suffix( "ois", s ) ||
44
        pl.suffix( "sheep", s ) ||
45
        pl.suffix( "deer", s ) ||
46
        pl.suffix( "pox", s ) ||
47
        pl.suffix( "[A-Z].*ese", s ) ||
48
        pl.suffix( "itis", s ) ) {
49
      # 1. Retain non-inflective user-mapped noun as is.
50
      # 2. Retain non-inflective plural as is.
51
      result <- s
52
    }
53
    else if( pl.is.irregular.pl( s ) ) {
54
      # 4. Change irregular plurals based on mapping.
55
      result <- pl.irregular.pl( s )
56
    }
57
    else if( pl.is.irregular.es( s ) ) {
58
      # x. From Shevek's Pluralizer
59
      result <- pl.inflect( s, "", "es" )
60
    }
61
    else if( pl.suffix( "man", s ) ) {
62
      # 5. For -man, change -an to -en
63
      result <- pl.inflect( s, "an", "en" )
64
    }
65
    else if( pl.suffix( "[lm]ouse", s ) ) {
66
      # 5. For [lm]ouse, change -ouse to -ice
67
      result <- pl.inflect( s, "ouse", "ice" )
68
    }
69
    else if( pl.suffix( "tooth", s ) ) {
70
      # 5. For -tooth, change -ooth to -eeth
71
      result <- pl.inflect( s, "ooth", "eeth" )
72
    }
73
    else if( pl.suffix( "goose", s ) ) {
74
      # 5. For -goose, change -oose to -eese
75
      result <- pl.inflect( s, "oose", "eese" )
76
    }
77
    else if( pl.suffix( "foot", s ) ) {
78
      # 5. For -foot, change -oot to -eet
79
      result <- pl.inflect( s, "oot", "eet" )
80
    }
81
    else if( pl.suffix( "zoon", s ) ) {
82
      # 5. For -zoon, change -on to -a
83
      result <- pl.inflect( s, "on", "a" )
84
    }
85
    else if( pl.suffix( "[csx]is", s ) ) {
86
      # 5. Change -cis, -sis, -xis to -es
87
      result <- pl.inflect( s, "is", "es" )
88
    }
89
    else if( pl.suffix( "([cs]h|ss)", s ) ) {
90
      # 8. Change -ch, -sh, -ss to -es
91
      result <- pl.inflect( s, "", "es" )
92
    }
93
    else if( pl.suffix( "([aeo]lf|[^d]eaf|arf)", s ) ) {
94
      # 9. Change -f to -ves
95
      result <- pl.inflect( s, "f", "ves" )
96
    }
97
    else if( pl.suffix( "[nlw]ife", s ) ) {
98
      # 9. Change -fe to -ves
99
      result <- pl.inflect( s, "fe", "ves" )
100
    }
101
    else if( pl.suffix( "([aeiou]y|[A-Z].*y)", s ) ) {
102
      # 10. Change -y to -ys.
103
      result <- pl.inflect( s, "", "s" )
104
    }
105
    else if( pl.suffix( "y", s ) ) {
106
      # 10. Change -y to -ies.
107
      result <- pl.inflect( s, "y", "ies" )
108
    }
109
    else {
110
      # 13. Default plural: add -s.
111
      result <- pl.inflect( s, "", "s" )
112
    }
113
  }
114
115
  result
116
}
117
118
# Pluralize s if n is not equal to 1.
119
pl <- function( s, n ) {
120
  pluralize( s, x( n ) )
121
}
122
123
# Returns the given string (s) with its suffix replaced by r.
124
pl.inflect <- function( s, suffix, r ) {
125
  gsub( paste( suffix, "$", sep="" ), r, s )
126
}
127
128
# Answers whether the given string (s) has the given ending.
129
pl.suffix <- function( ending, s ) {
130
  grepl( paste( ending, "$", sep="" ), s )
131
}
132
133
# Answers whether the given string (s) is a noninflective noun.
134
pl.noninflective <- function( s ) {
135
  v <- c(
136
    "aircraft", "Bhutanese", "bison", "bream", "breeches", "britches",
137
    "Burmese", "carp", "chassis", "Chinese", "clippers", "cod", "contretemps",
138
    "corps", "debris", "diabetes", "djinn", "eland", "elk", "flounder",
139
    "fracas", "gallows", "graffiti", "headquarters", "herpes", "high-jinks",
140
    "homework", "hovercraft", "innings", "jackanapes", "Japanese",
141
    "Lebanese", "mackerel", "means", "measles", "mews", "mumps", "news",
142
    "pincers", "pliers", "Portuguese", "proceedings", "rabies", "salmon",
143
    "scissors", "sea-bass", "Senegalese", "series", "shears", "Siamese",
144
    "Sinhalese", "spacecraft", "species", "swine", "trout", "tuna",
145
    "Vietnamese", "watercraft", "whiting", "wildebeest"
146
  )
147
148
  is.element( s, v )
149
}
150
151
# Answers whether the given string (s) is an irregular plural.
152
pl.is.irregular.pl <- function( s ) {
153
  # Could be refactored with pl.irregular.pl...
154
  v <- c(
155
    "beef", "brother", "child", "cow", "ephemeris", "genie", "money",
156
    "mongoose", "mythos", "octopus", "ox", "soliloquy", "trilby"
157
  )
158
159
  is.element( s, v )
160
}
161
162
# Call to pluralize an irregular noun. Only call after confirming
163
# the noun is irregular via pl.is.irregular.pl.
164
pl.irregular.pl <- function( s ) {
165
  v <- list(
166
    "beef" = "beefs",
167
    "brother" = "brothers",
168
    "child" = "children",
169
    "cow" = "cows",
170
    "ephemeris" = "ephemerides",
171
    "genie" = "genies",
172
    "money" = "moneys",
173
    "mongoose" = "mongooses",
174
    "mythos" = "mythoi",
175
    "octopus" = "octopuses",
176
    "ox" = "oxen",
177
    "soliloquy" = "soliloquies",
178
    "trilby" = "trilbys"
179
  )
180
181
  # Faster version of v[[ s ]]
182
  .subset2( v, s )
183
}
184
185
# Answers whether the given string (s) pluralizes with -es.
186
pl.is.irregular.es <- function( s ) {
187
  v <- c(
188
    "acropolis", "aegis", "alias", "asbestos", "bathos", "bias", "bronchitis",
189
    "bursitis", "caddis", "cannabis", "canvas", "chaos", "cosmos", "dais",
190
    "digitalis", "epidermis", "ethos", "eyas", "gas", "glottis", "hubris",
191
    "ibis", "lens", "mantis", "marquis", "metropolis", "pathos", "pelvis",
192
    "polis", "rhinoceros", "sassafrass", "trellis"
193
  )
194
195
  is.element( s, v )
196
}
197
1198
A src/main/resources/META-INF/services/com.keenwrite.service.Settings
1
1
com.keenwrite.service.impl.DefaultSettings
A src/main/resources/META-INF/services/com.keenwrite.service.events.Notifier
1
1
com.keenwrite.service.events.impl.DefaultNotifier
A src/main/resources/bootstrap.properties
1
# Used by the Gradle build script and the application.
2
application.title=KeenWrite
3
14
A src/main/resources/com/keenwrite/.gitignore
1
app.properties
12
A src/main/resources/com/keenwrite/app-title.svg
1
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
2
<svg
3
   xmlns:dc="http://purl.org/dc/elements/1.1/"
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   xmlns:cc="http://creativecommons.org/ns#"
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   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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   xmlns:svg="http://www.w3.org/2000/svg"
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   xmlns="http://www.w3.org/2000/svg"
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   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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   height="498.39355"
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   viewBox="0 0 971.53119 498.39354"
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   xml:space="preserve"
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   id="svg52"
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   sodipodi:docname="app-title.svg"
17
   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
18
   inkscape:export-filename="/home/jarvisd/dev/java/scrivenvar/docs/images/app-title.png"
19
   inkscape:export-xdpi="24.66"
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   inkscape:export-ydpi="24.66"><metadata
21
   id="metadata56"><rdf:RDF><cc:Work
22
       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
23
         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><sodipodi:namedview
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   inkscape:document-rotation="0"
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   pagecolor="#ffffff"
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   bordercolor="#666666"
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   borderopacity="1"
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   objecttolerance="10"
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   gridtolerance="10"
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   guidetolerance="10"
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   inkscape:pageopacity="0"
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   inkscape:pageshadow="2"
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   inkscape:window-width="640"
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   inkscape:window-height="480"
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   id="namedview54"
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   showgrid="false"
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   inkscape:zoom="0.78417969"
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   inkscape:cx="455.5775"
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   inkscape:cy="347.59625"
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   inkscape:current-layer="svg52"
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   fit-margin-top="0"
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   fit-margin-left="0"
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   fit-margin-right="0"
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   fit-margin-bottom="0" />
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<desc
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   id="desc2">Created with Fabric.js 3.6.3</desc>
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</linearGradient>
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     paint-order="stroke"
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     id="path34" /><path
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     paint-order="stroke"
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     paint-order="stroke"
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     stroke-linecap="round"
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<text
140
   xml:space="preserve"
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   id="text931"
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   style="font-style:normal;font-weight:normal;font-size:40px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;white-space:pre;shape-inside:url(#rect933);fill:#000000;fill-opacity:1;stroke:none;"
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   transform="translate(-394.35834,-171.20491)" /><text
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   xml:space="preserve"
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   style="font-style:italic;font-variant:normal;font-weight:800;font-stretch:normal;font-size:133.333px;line-height:1.25;font-family:'Merriweather Sans';-inkscape-font-specification:'Merriweather Sans, Ultra-Bold Italic';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;letter-spacing:0px;word-spacing:0px;fill:#51a9cf;fill-opacity:1;stroke:none"
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   x="311.66693"
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   y="402.20627"
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   id="text939"><tspan
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     sodipodi:role="line"
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1153
A src/main/resources/com/keenwrite/build.sh
1
#!/bin/bash
2
3
INKSCAPE="/usr/bin/inkscape"
4
PNG_COMPRESS="optipng"
5
PNG_COMPRESS_OPTS="-o9 *png"
6
ICO_TOOL="icotool"
7
ICO_TOOL_OPTS="-c -o ../../../../../icons/logo.ico logo64.png"
8
9
declare -a SIZES=("16" "32" "64" "128" "256" "512")
10
11
for i in "${SIZES[@]}"; do
12
  # -y: export background opacity 0
13
  $INKSCAPE -y 0 -w "${i}" --export-overwrite --export-type=png -o "logo${i}.png" "logo.svg" 
14
done
15
16
# Compess the PNG images.
17
which $PNG_COMPRESS && $PNG_COMPRESS $PNG_COMPRESS_OPTS
18
19
# Generate an ICO file.
20
which $ICO_TOOL && $ICO_TOOL $ICO_TOOL_OPTS
21
122
A src/main/resources/com/keenwrite/editor/markdown.css
1
/* Copyright 2020 White Magic Software, Ltd. -- All rights reserved. */
2
3
.markdown {
4
  -fx-font-family: 'Noto Sans';
5
  -fx-font-size: 11pt;
6
  -fx-padding: .25em;
7
}
8
9
/* Editor background color */
10
.styled-text-area {
11
  -fx-background-color: -fx-control-inner-background;
12
}
13
14
/* Text foreground colour */
15
.styled-text-area .text {
16
  -fx-fill: -fx-text-foreground;
17
}
18
19
/* Subtly highlight the current paragraph. */
20
.markdown .paragraph-box:has-caret {
21
  -fx-background-color: -fx-text-background;
22
}
23
24
/* Light colour for selection highlight. */
25
.markdown .selection {
26
  -fx-fill: -fx-text-selection;
27
}
28
29
/* Decoration for words not found in the lexicon. */
30
.markdown .spelling {
31
  -rtfx-underline-color: rgba( 255, 131, 67, .7 );
32
  -rtfx-underline-dash-array: 4, 2;
33
  -rtfx-underline-width: 2;
34
  -rtfx-underline-cap: round;
35
}
36
37
.markdown .search {
38
  -rtfx-background-color: #ffe959;
39
}
140
A src/main/resources/com/keenwrite/editor/markdown_en-Latn-AU.css
11
A src/main/resources/com/keenwrite/editor/markdown_en-Latn-CA.css
11
A src/main/resources/com/keenwrite/editor/markdown_en-Latn-GB.css
11
A src/main/resources/com/keenwrite/editor/markdown_en-Latn-NZ.css
11
A src/main/resources/com/keenwrite/editor/markdown_en-Latn-US.css
11
A src/main/resources/com/keenwrite/editor/markdown_en-Latn-ZA.css
11
A src/main/resources/com/keenwrite/editor/markdown_ja-Jpan-JP.css
1
.markdown {
2
  -fx-font-family: 'Noto Sans CJK JP';
3
}
14
A src/main/resources/com/keenwrite/editor/markdown_ko-Kore-KR.css
1
.markdown {
2
  -fx-font-family: 'Noto Sans CJK KR';
3
}
14
A src/main/resources/com/keenwrite/editor/markdown_zh-Hans-CN.css
1
.markdown {
2
  -fx-font-family: 'Noto Sans CJK SC';
3
}
14
A src/main/resources/com/keenwrite/editor/markdown_zh-Hans-SG.css
1
.markdown {
2
  -fx-font-family: 'Noto Sans CJK SC';
3
}
14
A src/main/resources/com/keenwrite/editor/markdown_zh-Hant-HK.css
1
.markdown {
2
  -fx-font-family: 'Noto Sans CJK HK';
3
}
14
A src/main/resources/com/keenwrite/editor/markdown_zh-Hant-TW.css
1
.markdown {
2
  -fx-font-family: 'Noto Sans CJK TC';
3
}
14
A src/main/resources/com/keenwrite/logo.svg
1
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
2
<svg
3
   xmlns:dc="http://purl.org/dc/elements/1.1/"
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   xmlns:svg="http://www.w3.org/2000/svg"
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   xmlns="http://www.w3.org/2000/svg"
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   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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   height="512"
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   width="512"
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   id="metadata56"><rdf:RDF><cc:Work
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       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
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     style="fill:#51a9cf;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:4.99606;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0" /><path
116
     id="path34"
117
     stroke-linecap="round"
118
     d="m 607.67733,447.39871 -10.3968,10.33684 -30.64582,-30.87064 10.36183,-10.31186 z"
119
     paint-order="stroke"
120
     style="fill:#51a9cf;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:4.99606;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0" /><path
121
     id="path38"
122
     stroke-linecap="round"
123
     d="m 590.73628,464.25235 -19.95925,19.85434 -84.29849,-4.79622 73.70185,-45.84383 z"
124
     paint-order="stroke"
125
     style="fill:#51a9cf;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:4.99606;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0" /><path
126
     id="path42"
127
     stroke-linecap="round"
128
     d="m 798.0649,265.0575 87.61088,-87.14624 c -18.72523,29.76151 -50.29032,89.4844 -62.52567,168.64194 0,0 -77.5688,34.88248 -178.68403,125.55095 L 613.81527,441.28846 772.09539,283.91262 c 6.35998,6.39496 16.63687,6.38996 23.00185,0.06 5.14095,-5.10597 6.11018,-12.8049 2.96766,-18.91508"
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     paint-order="stroke"
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     style="fill:#126d95;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:4.99606;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0" /></g>
131
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<text
133
   style="font-style:normal;font-weight:normal;font-size:40px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;white-space:pre;shape-inside:url(#rect933);fill:#000000;fill-opacity:1;stroke:none;"
134
   id="text931"
135
   xml:space="preserve" /></svg>
1136
A src/main/resources/com/keenwrite/logo128.png
Binary file
A src/main/resources/com/keenwrite/logo16.png
Binary file
A src/main/resources/com/keenwrite/logo256.png
Binary file
A src/main/resources/com/keenwrite/logo32.png
Binary file
A src/main/resources/com/keenwrite/logo512.png
Binary file
A src/main/resources/com/keenwrite/logo64.png
Binary file
A src/main/resources/com/keenwrite/messages.properties
1
# ########################################################################
2
# Main Application Window
3
# ########################################################################
4
5
# suppress inspection "UnusedProperty" for whole file
6
7
# ########################################################################
8
# Menu Bar
9
# ########################################################################
10
11
Main.menu.file=_File
12
Main.menu.edit=_Edit
13
Main.menu.insert=_Insert
14
Main.menu.format=Forma_t
15
Main.menu.definition=_Variable
16
Main.menu.view=Vie_w
17
Main.menu.help=_Help
18
19
# ########################################################################
20
# Detachable Tabs
21
# ########################################################################
22
23
# {0} is the application title; {1} is a unique window ID.
24
Detach.tab.title={0} - {1}
25
26
# ########################################################################
27
# Status Bar
28
# ########################################################################
29
30
Main.status.text.offset=offset
31
Main.status.line=Line {0} of {1}, ${Main.status.text.offset} {2}
32
Main.status.state.default=OK
33
Main.status.export.success=Saved as {0}
34
35
Main.status.error.bootstrap.eval=Note: Bootstrap variable of ''{0}'' not found
36
37
Main.status.error.parse={0} (near ${Main.status.text.offset} {1})
38
Main.status.error.def.blank=Move the caret to a word before inserting a variable
39
Main.status.error.def.empty=Create a variable before inserting one
40
Main.status.error.def.missing=No variable value found for ''{0}''
41
Main.status.error.r=Error with [{0}...]: {1}
42
Main.status.error.file.missing=Not found: {0}
43
44
Main.status.error.messages.recursion=Lookup depth exceeded, check for loops in ''{0}''
45
Main.status.error.messages.syntax=Missing ''}'' in ''{0}''
46
47
Main.status.error.undo=Cannot undo; beginning of undo history reached
48
Main.status.error.redo=Cannot redo; end of redo history reached
49
50
Main.status.image.request.init=Initializing HTTP request
51
Main.status.image.request.fetch=Requesting content type from {0}
52
Main.status.image.request.success=Determined content type ''{0}''
53
Main.status.image.request.error.media=No media type for ''{0}''
54
Main.status.image.request.error.cert=Could not accept certificate for ''{0}''
55
56
Main.status.font.search.missing=No font name starting with ''{0}'' was found
57
58
# ########################################################################
59
# Search Bar
60
# ########################################################################
61
62
Main.search.stop.tooltip=Close search bar
63
Main.search.stop.icon=CLOSE
64
Main.search.next.tooltip=Find next match
65
Main.search.next.icon=CHEVRON_DOWN
66
Main.search.prev.tooltip=Find previous match
67
Main.search.prev.icon=CHEVRON_UP
68
Main.search.find.tooltip=Search document for text
69
Main.search.find.icon=SEARCH
70
Main.search.match.none=No matches
71
Main.search.match.some={0} of {1} matches
72
73
# ########################################################################
74
# Workspace preferences
75
# ########################################################################
76
77
workspace.r=R
78
workspace.r.script=Startup Script
79
workspace.r.script.desc=Script runs prior to executing R statements within the document.
80
workspace.r.dir=Working Directory
81
workspace.r.dir.desc=Value assigned to {0}application.r.working.directory{1} and usable in the startup script.
82
workspace.r.dir.title=Directory
83
workspace.r.delimiter.began=Delimiter Prefix
84
workspace.r.delimiter.began.desc=Prefix of expression that wraps inserted variables.
85
workspace.r.delimiter.began.title=Opening
86
workspace.r.delimiter.ended=Delimiter Suffix
87
workspace.r.delimiter.ended.desc=Suffix of expression that wraps inserted variables.
88
workspace.r.delimiter.ended.title=Closing
89
90
workspace.images=Images
91
workspace.images.dir=Absolute Directory
92
workspace.images.dir.desc=Path to search for local file system images.
93
workspace.images.dir.title=Directory
94
workspace.images.order=Extensions
95
workspace.images.order.desc=Preferred order of image file types to embed, separated by spaces.
96
workspace.images.order.title=Extensions
97
98
workspace.definition=Variable
99
workspace.definition.path=File name
100
workspace.definition.path.desc=Absolute path to interpolated string variables.
101
workspace.definition.path.title=Path
102
workspace.definition.delimiter.began=Delimiter Prefix
103
workspace.definition.delimiter.began.desc=Indicates when a variable name is starting.
104
workspace.definition.delimiter.began.title=Opening
105
workspace.definition.delimiter.ended=Delimiter Suffix
106
workspace.definition.delimiter.ended.desc=Indicates when a variable name is ending.
107
workspace.definition.delimiter.ended.title=Closing
108
109
workspace.ui.theme=Themes
110
workspace.ui.theme.selection=Bundled
111
workspace.ui.theme.selection.desc=Pre-packaged application style (default: Modena Light)
112
workspace.ui.theme.selection.title=Name
113
workspace.ui.theme.custom=Custom
114
workspace.ui.theme.custom.desc=User-defined JavaFX cascading stylesheet file
115
workspace.ui.theme.custom.title=Path
116
117
workspace.ui.font=Fonts
118
workspace.ui.font.editor=Editor Font
119
workspace.ui.font.editor.name=Name
120
workspace.ui.font.editor.name.desc=Text editor font name (sans-serif font recommended).
121
workspace.ui.font.editor.name.title=Family
122
workspace.ui.font.editor.size=Size
123
workspace.ui.font.editor.size.desc=Font size.
124
workspace.ui.font.editor.size.title=Points
125
workspace.ui.font.preview=Preview Font
126
workspace.ui.font.preview.name=Name
127
workspace.ui.font.preview.name.desc=Preview pane font name (must support ligatures, serif font recommended).
128
workspace.ui.font.preview.name.title=Family
129
workspace.ui.font.preview.size=Size
130
workspace.ui.font.preview.size.desc=Font size.
131
workspace.ui.font.preview.size.title=Points
132
workspace.ui.font.preview.mono.name=Name
133
workspace.ui.font.preview.mono.name.desc=Monospace font name.
134
workspace.ui.font.preview.mono.name.title=Family
135
workspace.ui.font.preview.mono.size=Size
136
workspace.ui.font.preview.mono.size.desc=Monospace font size.
137
workspace.ui.font.preview.mono.size.title=Points
138
139
workspace.language=Language
140
workspace.language.locale=Internationalization
141
workspace.language.locale.desc=Language for application and HTML export.
142
workspace.language.locale.title=Locale
143
144
# ########################################################################
145
# Definition Pane and its Tree View
146
# ########################################################################
147
148
Definition.menu.add.default=Undefined
149
150
# ########################################################################
151
# Variable Definitions Pane
152
# ########################################################################
153
154
Pane.definition.node.root.title=Variables
155
156
# ########################################################################
157
# HTML Preview Pane
158
# ########################################################################
159
160
Pane.preview.title=Preview
161
162
# ########################################################################
163
# Document Outline Pane
164
# ########################################################################
165
166
Pane.outline.title=Outline
167
168
# ########################################################################
169
# Document Outline Pane
170
# ########################################################################
171
172
Pane.statistics.title=Statistics
173
174
# ########################################################################
175
# Failure messages with respect to YAML files.
176
# ########################################################################
177
178
yaml.error.open=Could not open YAML file (ensure non-empty file).
179
yaml.error.unresolvable=Too much indirection for: ''{0}'' = ''{1}''.
180
yaml.error.missing=Empty variable value for key ''{0}''.
181
yaml.error.tree.form=Unassigned variable near ''{0}''.
182
183
# ########################################################################
184
# Text Resource
185
# ########################################################################
186
187
TextResource.load.error.unsaved=The file ''{0}'' is unsaved or does not exist.
188
TextResource.load.error.permissions=The file ''{0}'' must be readable and writable.
189
190
# ########################################################################
191
# Text Resources
192
# ########################################################################
193
194
TextResource.saveFailed.message=Failed to save ''{0}''.\n\nReason: {1}
195
TextResource.saveFailed.title=Save
196
197
# ########################################################################
198
# File Open
199
# ########################################################################
200
201
Dialog.file.choose.open.title=Open File
202
Dialog.file.choose.save.title=Save File
203
Dialog.file.choose.export.title=Export File
204
205
Dialog.file.choose.filter.title.source=Source Files
206
Dialog.file.choose.filter.title.definition=Variable Files
207
Dialog.file.choose.filter.title.xml=XML Files
208
Dialog.file.choose.filter.title.all=All Files
209
210
# ########################################################################
211
# Browse File
212
# ########################################################################
213
214
BrowseFileButton.chooser.title=Browse for local file
215
BrowseFileButton.chooser.allFilesFilter=All Files
216
BrowseFileButton.tooltip=${BrowseFileButton.chooser.title}
217
218
# ########################################################################
219
# Alert Dialog
220
# ########################################################################
221
222
Alert.file.close.title=Close
223
Alert.file.close.text=Save changes to {0}?
224
225
# ########################################################################
226
# Image Dialog
227
# ########################################################################
228
229
Dialog.image.title=Image
230
Dialog.image.chooser.imagesFilter=Images
231
Dialog.image.previewLabel.text=Markdown Preview\:
232
Dialog.image.textLabel.text=Alternate Text\:
233
Dialog.image.titleLabel.text=Title (tooltip)\:
234
Dialog.image.urlLabel.text=Image URL\:
235
236
# ########################################################################
237
# Hyperlink Dialog
238
# ########################################################################
239
240
Dialog.link.title=Link
241
Dialog.link.previewLabel.text=Markdown Preview\:
242
Dialog.link.textLabel.text=Link Text\:
243
Dialog.link.titleLabel.text=Title (tooltip)\:
244
Dialog.link.urlLabel.text=Link URL\:
245
246
# ########################################################################
247
# About Dialog
248
# ########################################################################
249
250
Dialog.about.title=About {0}
251
Dialog.about.header={0}
252
Dialog.about.content=Copyright 2016-{0} White Magic Software, Ltd.\n\nVersion: {1}
253
254
# ########################################################################
255
# Application Actions
256
# ########################################################################
257
258
Action.file.new.description=Create a new file
259
Action.file.new.accelerator=Shortcut+N
260
Action.file.new.icon=FILE_ALT
261
Action.file.new.text=_New
262
263
Action.file.open.description=Open a new file
264
Action.file.open.accelerator=Shortcut+O
265
Action.file.open.text=_Open...
266
Action.file.open.icon=FOLDER_OPEN_ALT
267
268
Action.file.close.description=Close the current document
269
Action.file.close.accelerator=Shortcut+W
270
Action.file.close.text=_Close
271
272
Action.file.close_all.description=Close all open documents
273
Action.file.close_all.accelerator=Ctrl+F4
274
Action.file.close_all.text=Close All
275
276
Action.file.save.description=Save the document
277
Action.file.save.accelerator=Shortcut+S
278
Action.file.save.text=_Save
279
Action.file.save.icon=FLOPPY_ALT
280
281
Action.file.save_as.description=Rename the current document
282
Action.file.save_as.text=Save _As
283
284
Action.file.save_all.description=Save all open documents
285
Action.file.save_all.accelerator=Shortcut+Shift+S
286
Action.file.save_all.text=Save A_ll
287
288
Action.file.export.html_svg.description=Export the current document as HTML + SVG
289
Action.file.export.text=_Export As
290
Action.file.export.html_svg.text=HTML and S_VG
291
292
Action.file.export.html_tex.description=Export the current document as HTML + TeX
293
Action.file.export.html_tex.text=HTML and _TeX
294
295
Action.file.export.markdown.description=Export the current document as Markdown
296
Action.file.export.markdown.text=Markdown
297
298
Action.file.exit.description=Quit the application
299
Action.file.exit.text=E_xit
300
301
302
Action.edit.undo.description=Undo the previous edit
303
Action.edit.undo.accelerator=Shortcut+Z
304
Action.edit.undo.text=_Undo
305
Action.edit.undo.icon=UNDO
306
307
Action.edit.redo.description=Redo the previous edit
308
Action.edit.redo.accelerator=Shortcut+Y
309
Action.edit.redo.text=_Redo
310
Action.edit.redo.icon=REPEAT
311
312
Action.edit.cut.description=Delete the selected text or line
313
Action.edit.cut.accelerator=Shortcut+X
314
Action.edit.cut.text=Cu_t
315
Action.edit.cut.icon=CUT
316
317
Action.edit.copy.description=Copy the selected text
318
Action.edit.copy.accelerator=Shortcut+C
319
Action.edit.copy.text=_Copy
320
Action.edit.copy.icon=COPY
321
322
Action.edit.paste.description=Paste from the clipboard
323
Action.edit.paste.accelerator=Shortcut+V
324
Action.edit.paste.text=_Paste
325
Action.edit.paste.icon=PASTE
326
327
Action.edit.select_all.description=Highlight the current document text
328
Action.edit.select_all.accelerator=Shortcut+A
329
Action.edit.select_all.text=Select _All
330
331
Action.edit.find.description=Search for text in the document
332
Action.edit.find.accelerator=Shortcut+F
333
Action.edit.find.text=_Find
334
Action.edit.find.icon=SEARCH
335
336
Action.edit.find_next.description=Find next occurrence
337
Action.edit.find_next.accelerator=F3
338
Action.edit.find_next.text=Find _Next
339
340
Action.edit.find_prev.description=Find previous occurrence
341
Action.edit.find_prev.accelerator=Shift+F3
342
Action.edit.find_prev.text=Find _Prev
343
344
Action.edit.preferences.description=Edit user preferences
345
Action.edit.preferences.accelerator=Ctrl+Alt+S
346
Action.edit.preferences.text=_Preferences
347
348
349
Action.format.bold.description=Insert strong text
350
Action.format.bold.accelerator=Shortcut+B
351
Action.format.bold.text=_Bold
352
Action.format.bold.icon=BOLD
353
354
Action.format.italic.description=Insert text emphasis
355
Action.format.italic.accelerator=Shortcut+I
356
Action.format.italic.text=_Italic
357
Action.format.italic.icon=ITALIC
358
359
Action.format.superscript.description=Insert superscript text
360
Action.format.superscript.accelerator=Shortcut+[
361
Action.format.superscript.text=Su_perscript
362
Action.format.superscript.icon=SUPERSCRIPT
363
364
Action.format.subscript.description=Insert subscript text
365
Action.format.subscript.accelerator=Shortcut+]
366
Action.format.subscript.text=Su_bscript
367
Action.format.subscript.icon=SUBSCRIPT
368
369
Action.format.strikethrough.description=Insert struck text
370
Action.format.strikethrough.accelerator=Shortcut+T
371
Action.format.strikethrough.text=Stri_kethrough
372
Action.format.strikethrough.icon=STRIKETHROUGH
373
374
375
Action.insert.blockquote.description=Insert blockquote
376
Action.insert.blockquote.accelerator=Ctrl+Q
377
Action.insert.blockquote.text=_Blockquote
378
Action.insert.blockquote.icon=QUOTE_LEFT
379
380
Action.insert.code.description=Insert inline code
381
Action.insert.code.accelerator=Shortcut+K
382
Action.insert.code.text=Inline _Code
383
Action.insert.code.icon=CODE
384
385
Action.insert.fenced_code_block.description=Insert code block
386
Action.insert.fenced_code_block.accelerator=Shortcut+Shift+K
387
Action.insert.fenced_code_block.text=_Fenced Code Block
388
Action.insert.fenced_code_block.prompt.text=Enter code here
389
Action.insert.fenced_code_block.icon=FILE_CODE_ALT
390
391
Action.insert.link.description=Insert hyperlink
392
Action.insert.link.accelerator=Shortcut+L
393
Action.insert.link.text=_Link...
394
Action.insert.link.icon=LINK
395
396
Action.insert.image.description=Insert image
397
Action.insert.image.accelerator=Shortcut+G
398
Action.insert.image.text=_Image...
399
Action.insert.image.icon=PICTURE_ALT
400
401
Action.insert.heading.description=Insert heading level
402
Action.insert.heading.accelerator=Shortcut+
403
Action.insert.heading.icon=HEADER
404
405
Action.insert.heading_1.description=${Action.insert.heading.description} 1
406
Action.insert.heading_1.accelerator=${Action.insert.heading.accelerator}1
407
Action.insert.heading_1.text=Heading _1
408
Action.insert.heading_1.icon=${Action.insert.heading.icon}
409
410
Action.insert.heading_2.description=${Action.insert.heading.description} 2
411
Action.insert.heading_2.accelerator=${Action.insert.heading.accelerator}2
412
Action.insert.heading_2.text=Heading _2
413
Action.insert.heading_2.icon=${Action.insert.heading.icon}
414
415
Action.insert.heading_3.description=${Action.insert.heading.description} 3
416
Action.insert.heading_3.accelerator=${Action.insert.heading.accelerator}3
417
Action.insert.heading_3.text=Heading _3
418
Action.insert.heading_3.icon=${Action.insert.heading.icon}
419
420
Action.insert.unordered_list.description=Insert bulleted list
421
Action.insert.unordered_list.accelerator=Shortcut+U
422
Action.insert.unordered_list.text=_Unordered List
423
Action.insert.unordered_list.icon=LIST_UL
424
425
Action.insert.ordered_list.description=Insert enumerated list
426
Action.insert.ordered_list.accelerator=Shortcut+Shift+O
427
Action.insert.ordered_list.text=_Ordered List
428
Action.insert.ordered_list.icon=LIST_OL
429
430
Action.insert.horizontal_rule.description=Insert horizontal rule
431
Action.insert.horizontal_rule.accelerator=Shortcut+H
432
Action.insert.horizontal_rule.text=_Horizontal Rule
433
Action.insert.horizontal_rule.icon=LIST_OL
434
435
436
Action.definition.create.description=Create a new variable
437
Action.definition.create.text=_Create
438
Action.definition.create.icon=TREE
439
Action.definition.create.tooltip=Add new item (Insert)
440
441
Action.definition.rename.description=Rename the selected variable
442
Action.definition.rename.text=_Rename
443
Action.definition.rename.icon=EDIT
444
Action.definition.rename.tooltip=Rename selected item (F2)
445
446
Action.definition.delete.description=Delete the selected variables
447
Action.definition.delete.text=De_lete
448
Action.definition.delete.icon=TRASH
449
Action.definition.delete.tooltip=Delete selected items (Delete)
450
451
Action.definition.insert.description=Insert a variable
452
Action.definition.insert.accelerator=Ctrl+Space
453
Action.definition.insert.text=_Insert
454
Action.definition.insert.icon=STAR
455
456
457
Action.view.refresh.description=Clear all caches
458
Action.view.refresh.accelerator=F5
459
Action.view.refresh.text=Refresh
460
461
Action.view.preview.description=Open document preview
462
Action.view.preview.accelerator=F6
463
Action.view.preview.text=Preview
464
465
Action.view.outline.description=Open document outline
466
Action.view.outline.accelerator=F7
467
Action.view.outline.text=Outline
468
469
Action.view.statistics.description=Open document word counts
470
Action.view.statistics.accelerator=F8
471
Action.view.statistics.text=Statistics
472
473
474
Action.view.files.description=Open file system browser
475
Action.view.files.accelerator=F8
476
Action.view.files.text=File system
477
478
Action.view.menubar.description=Toggle menu bar
479
Action.view.menubar.accelerator=Ctrl+F9
480
Action.view.menubar.text=Menu bar
481
482
Action.view.toolbar.description=Toggle tool bar
483
Action.view.toolbar.accelerator=Ctrl+Shift+F9
484
Action.view.toolbar.text=Tool bar
485
486
Action.view.statusbar.description=Toggle status bar
487
Action.view.statusbar.accelerator=Ctrl+Shift+Alt+F9
488
Action.view.statusbar.text=Status bar
489
490
Action.view.issues.description=Open document issues
491
Action.view.issues.accelerator=F12
492
Action.view.issues.text=Issues
493
494
495
Action.help.about.description=Show help dialog
496
Action.help.about.accelerator=F1
497
Action.help.about.text=About
498
Action.help.about.icon=INFO
1499
A src/main/resources/com/keenwrite/preview/webview.css
1
body,h1,h2,h3,h4,h5,h6,ol,p,ul{margin:0;padding:0}img{max-width:100%;height:auto}table{table-collapse:collapse;table-spacing:0;border-spacing:0}
2
3
/* Do not use points (pt): FlyingSaucer on Debian fails to render. */
4
body {
5
  background-color: #fff;
6
  margin: 0 auto;
7
  line-height: 1.6;
8
  color: #454545;
9
  padding: .5em;
10
  font-feature-settings: 'liga' 1;
11
  font-variant-ligatures: normal;
12
}
13
14
body>*:first-child {
15
  margin-top: 0 !important;
16
}
17
18
body>*:last-child {
19
  margin-bottom: 0 !important;
20
}
21
22
#caret {
23
  background: #fcfeff;
24
}
25
26
p, blockquote, ul, ol, dl, table, pre {
27
  margin: 1em 0;
28
}
29
30
h1, h2, h3, h4, h5, h6 {
31
  font-weight: bold;
32
  margin: 1em 0 .5em;
33
}
34
35
h1 tt, h1 code, h2 tt, h2 code, h3 tt, h3 code,
36
h4 tt, h4 code, h5 tt, h5 code, h6 tt, h6 code {
37
  font-size: inherit;
38
}
39
40
h1 {
41
  font-size: 28px;
42
}
43
44
h2 {
45
  font-size: 24px;
46
  border-bottom: 1px solid #ccc;
47
}
48
49
h3 {
50
  font-size: 20px;
51
}
52
53
h4 {
54
  font-size: 18px;
55
}
56
57
h5 {
58
  font-size: 16px;
59
}
60
61
h6 {
62
  font-size: 14px;
63
}
64
65
h1+p, h2+p, h3+p, h4+p, h5+p, h6+p {
66
  margin-top: .5em;
67
}
68
69
/* LINKS ***/
70
a {
71
  color: #0077aa;
72
  text-decoration: none;
73
}
74
75
a:hover {
76
  text-decoration: underline;
77
}
78
79
/* BULLET LISTS ***/
80
ul, ol {
81
  display: block;
82
  list-style: disc outside none;
83
  margin: 1em 0;
84
  padding: 0 0 0 2em;
85
}
86
87
ol {
88
  list-style-type: decimal;
89
}
90
91
ul ul, ol ul,
92
ol ol, ul ol {
93
  list-style-position: inside;
94
  margin-left: 1em;
95
}
96
97
ul ul, ol ul {
98
  list-style-type: circle;
99
}
100
101
ol ol, ul ol {
102
  list-style-type: lower-latin;
103
}
104
105
/* DEFINITION LISTS ***/
106
dl {
107
  /** Horizontal scroll bar will appear if set to 100%. */
108
  width: 99%;
109
  overflow: hidden;
110
  padding-left: 1em;
111
}
112
113
dl dt {
114
  font-weight: bold;
115
  float: left;
116
  width: 20%;
117
  clear: both;
118
  position: relative;
119
}
120
121
dl dd {
122
  float: right;
123
  width: 79%;
124
  padding-bottom: .5em;
125
  margin-left: 0;
126
}
127
128
pre, code, tt {
129
  /* Must be bundled in JAR file. */
130
  font-family: 'Source Code Pro';
131
  font-size: 10pt;
132
  background-color: #f8f8f8;
133
  text-decoration: none;
134
  white-space: pre-wrap;
135
  word-wrap: break-word;
136
  overflow-wrap: anywhere;
137
  border-radius: .125em;
138
}
139
140
code, tt {
141
  padding: .25em;
142
}
143
144
pre > code {
145
  padding: 0;
146
  border: none;
147
  background: transparent;
148
}
149
150
pre {
151
  border: .125em solid #ccc;
152
  overflow: auto;
153
  padding: .25em .5em;
154
}
155
156
pre code, pre tt {
157
  background-color: transparent;
158
  border: none;
159
}
160
161
blockquote {
162
  border-left: .25em solid #ccc;
163
  padding: 0 1em;
164
  color: #777;
165
}
166
167
blockquote>:first-child {
168
  margin-top: 0;
169
}
170
171
blockquote>:last-child {
172
  margin-bottom: 0;
173
}
174
175
hr {
176
  clear: both;
177
  margin: 1.5em 0 1.5em;
178
  height: 0;
179
  overflow: hidden;
180
  border: none;
181
  background: transparent;
182
  border-bottom: .125em solid #ccc;
183
}
184
185
table {
186
  width: 100%;
187
}
188
189
tr:nth-child(odd) {
190
  background-color: #eee;
191
}
192
193
th {
194
  background-color: #454545;
195
  color: #fff;
196
}
197
198
th, td {
199
  text-align: left;
200
  padding: 0 1em;
201
}
202
203
img {
204
  max-width: 100%;
205
206
  /* Tell FlyingSaucer to treat images as block elements.
207
   * See SvgReplacedElementFactory.
208
   */
209
  display: inline-block;
210
}
211
212
/* Tell FlyingSaucer to treat tex elements as nodes.
213
 * See SvgReplacedElementFactory.
214
 */
215
tex {
216
  /* Ensure the formulas can be inlined with text. */
217
  display: inline-block;
218
}
219
220
/* Without a robust typesetting engine, there's no
221
 * nice-looking way to automatically typeset equations.
222
 * Sometimes baseline is appropriate, sometimes the
223
 * descender must be considered, and sometimes vertical
224
 * alignment to the middle looks best.
225
 */
226
p tex {
227
  vertical-align: baseline;
228
}
1229
A src/main/resources/com/keenwrite/preview/webview_ja-Jpan-JP.css
1
body {
2
  font-family: 'Noto Serif CJK JP';
3
}
4
5
pre, code, tt {
6
  font-family: 'Noto Sans Mono CJK JP';
7
}
18
A src/main/resources/com/keenwrite/preview/webview_ko-Kore-KR.css
1
body {
2
  font-family: 'Noto Serif CJK KR';
3
}
4
5
pre, code, tt {
6
  font-family: 'Noto Sans Mono CJK KR';
7
}
18
A src/main/resources/com/keenwrite/preview/webview_zh-Hans-CN.css
1
body {
2
  font-family: 'Noto Serif CJK SC';
3
}
4
5
pre, code, tt {
6
  font-family: 'Noto Sans Mono CJK SC';
7
}
18
A src/main/resources/com/keenwrite/preview/webview_zh-Hans-SG.css
1
body {
2
  font-family: 'Noto Serif CJK SC';
3
}
4
5
pre, code, tt {
6
  font-family: 'Noto Sans Mono CJK SC';
7
}
18
A src/main/resources/com/keenwrite/preview/webview_zh-Hant-HK.css
1
body {
2
  font-family: 'Noto Serif CJK SC';
3
}
4
5
pre, code, tt {
6
  font-family: 'Noto Sans Mono CJK HK';
7
}
18
A src/main/resources/com/keenwrite/preview/webview_zh-Hant-TW.css
1
body {
2
  font-family: 'Noto Serif CJK TC';
3
}
4
5
pre, code, tt {
6
  font-family: 'Noto Sans Mono CJK TC';
7
}
18
A src/main/resources/com/keenwrite/settings.properties
1
# ########################################################################
2
# Application
3
# ########################################################################
4
5
application.title=keenwrite
6
application.package=com/${application.title}
7
application.messages= com.${application.title}.messages
8
9
# Suppress multiple file modified notifications for one logical modification.
10
# Given in milliseconds.
11
application.watchdog.timeout=50
12
13
# ########################################################################
14
# Preferences
15
# ########################################################################
16
17
preferences.root=com.${application.title}
18
preferences.root.state=state
19
preferences.root.options=options
20
preferences.root.definition.source=definition.source
21
22
# ########################################################################
23
# File and Path References
24
# ########################################################################
25
26
file.stylesheet.application.dir=${application.package}/themes
27
file.stylesheet.application.base=${file.stylesheet.application.dir}/scene.css
28
file.stylesheet.application.theme=${file.stylesheet.application.dir}/{0}.css
29
file.stylesheet.markdown=${application.package}/editor/markdown.css
30
# {0} language code, {1} script code, {2} country code
31
file.stylesheet.markdown.locale=${application.package}/editor/markdown_{0}-{1}-{2}.css
32
file.stylesheet.xml=${application.package}/xml.css
33
34
# Preview styles are loaded statically through a class's classloader.
35
file.stylesheet.preview=webview.css
36
# {0} language code, {1} script code, {2} country code
37
file.stylesheet.preview.locale=webview_{0}-{1}-{2}.css
38
39
file.logo.16=${application.package}/logo16.png
40
file.logo.32=${application.package}/logo32.png
41
file.logo.128=${application.package}/logo128.png
42
file.logo.256=${application.package}/logo256.png
43
file.logo.512=${application.package}/logo512.png
44
45
# Default file name when a new file is created.
46
# This ensures that the file type can always be
47
# discerned so that the correct type of variable
48
# reference can be inserted.
49
file.default.document=untitled.md
50
file.default.definition=variables.yaml
51
52
# ########################################################################
53
# File name Extensions
54
# ########################################################################
55
56
# Comma-separated list of definition file name extensions.
57
definition.file.ext.json=*.json
58
definition.file.ext.toml=*.toml
59
definition.file.ext.yaml=*.yml,*.yaml
60
definition.file.ext.properties=*.properties,*.props
61
62
# Comma-separated list of file name extensions.
63
file.ext.rmarkdown=*.Rmd
64
file.ext.rxml=*.Rxml
65
file.ext.source=*.md,*.markdown,*.mkdown,*.mdown,*.mkdn,*.mkd,*.mdwn,*.mdtxt,*.mdtext,*.text,*.txt,${file.ext.rmarkdown},${file.ext.rxml}
66
file.ext.definition=${definition.file.ext.yaml}
67
file.ext.xml=*.xml,${file.ext.rxml}
68
file.ext.all=*.*
69
70
# File name extension search order for images.
71
file.ext.image.order=svg pdf png jpg tiff
72
73
# ########################################################################
74
# Variable Name Editor
75
# ########################################################################
76
77
# Maximum number of characters for a variable name. A variable is defined
78
# as one or more non-whitespace characters up to this maximum length.
79
editor.variable.maxLength=256
80
81
# ########################################################################
82
# Dialog Preferences
83
# ########################################################################
84
85
dialog.alert.button.order.mac=L_HE+U+FBIX_NCYOA_R
86
dialog.alert.button.order.linux=L_HE+UNYACBXIO_R
87
dialog.alert.button.order.windows=L_E+U+FBXI_YNOCAH_R
88
89
# Ensures a consistent button order for alert dialogs across platforms (because
90
# the default button order on Linux defies all logic).
91
dialog.alert.button.order=${dialog.alert.button.order.windows}
192
A src/main/resources/com/keenwrite/themes/count_darcula.css
1
.root {
2
  -fx-base: rgb( 43, 43, 43 );
3
  -fx-background: -fx-base;
4
  -fx-control-inner-background: -fx-base;
5
6
  -fx-light-text-color: rgb( 187, 187, 187 );
7
  -fx-mid-text-color: derive( -fx-base, 100% );
8
  -fx-dark-text-color: derive( -fx-base, 25% );
9
  -fx-text-foreground: -fx-light-text-color;
10
  -fx-text-background: derive( -fx-control-inner-background, 7.5% );
11
  -fx-text-selection: derive( -fx-control-inner-background, 45% );
12
13
  /* Make controls ( buttons, thumb, etc. ) slightly lighter */
14
  -fx-color: derive( -fx-base, 20% );
15
}
16
17
.caret {
18
  -fx-stroke: -fx-accent;
19
}
20
21
.glyph-icon {
22
  -fx-text-fill: -fx-light-text-color;
23
  -fx-fill: -fx-light-text-color;
24
}
25
26
.glyph-icon:hover {
27
  -fx-effect: dropshadow( three-pass-box, rgba( 0, 0, 0, 0.2 ), 4, 0, 0, 0 );
28
}
29
30
/* Fix derived prompt color for text fields */
31
.text-input {
32
  -fx-prompt-text-fill: derive( -fx-control-inner-background, +50% );
33
}
34
35
/* Keep prompt invisible when focused ( above color fix overrides it ) */
36
.text-input:focused {
37
  -fx-prompt-text-fill: transparent;
38
}
39
40
/* Fix scroll bar buttons arrows colors */
41
.scroll-bar > .increment-button > .increment-arrow,
42
.scroll-bar > .decrement-button > .decrement-arrow {
43
  -fx-background-color: -fx-mark-highlight-color,  -fx-light-text-color;
44
}
45
46
.scroll-bar > .increment-button:hover > .increment-arrow,
47
.scroll-bar > .decrement-button:hover > .decrement-arrow {
48
  -fx-background-color: -fx-mark-highlight-color, rgb( 240, 240, 240 );
49
}
50
51
.scroll-bar > .increment-button:pressed > .increment-arrow,
52
.scroll-bar > .decrement-button:pressed > .decrement-arrow {
53
  -fx-background-color: -fx-mark-highlight-color, rgb( 255, 255, 255 );
54
}
155
A src/main/resources/com/keenwrite/themes/haunted_grey.css
1
/* https://stackoverflow.com/a/58441758/59087
2
 */
3
.root { 
4
  -fx-accent: #1e74c6;
5
  -fx-focus-color: -fx-accent;
6
  -fx-base: #373e43;
7
  -fx-control-inner-background: derive( -fx-base, 35% );
8
  -fx-control-inner-background-alt: -fx-control-inner-background;
9
10
  -fx-light-text-color: derive( -fx-base, 150% );
11
  -fx-mid-text-color: derive( -fx-base, 100% );
12
  -fx-dark-text-color: derive( -fx-base, 25% );
13
  -fx-text-foreground: -fx-light-text-color;
14
  -fx-text-background: derive( -fx-control-inner-background, 7.5% );
15
  -fx-text-selection: derive( -fx-control-inner-background, 45% );
16
}
17
18
.glyph-icon {
19
  -fx-text-fill: -fx-light-text-color;
20
  -fx-fill: -fx-light-text-color;
21
}
22
23
.glyph-icon:hover {
24
  -fx-effect: dropshadow( three-pass-box, rgba( 0, 0, 0, 0.2 ), 4, 0, 0, 0 );
25
}
26
27
.label {
28
  -fx-text-fill: -fx-light-text-color;
29
}
30
31
.text-field {
32
  -fx-prompt-text-fill: gray;
33
}
34
35
.button {
36
  -fx-focus-traversable: false;
37
}
38
39
.button:hover {
40
  -fx-text-fill: white;
41
}
42
43
.separator *.line { 
44
  -fx-background-color: #3C3C3C;
45
  -fx-border-style: solid;
46
  -fx-border-width: 1px;
47
}
48
49
.scroll-bar {
50
  -fx-background-color: derive( -fx-base, 45% );
51
}
52
53
.button:default {
54
  -fx-base: -fx-accent;
55
} 
56
57
.table-view {
58
  -fx-selection-bar-non-focused: derive( -fx-base, 50% );
59
}
60
61
.table-view .column-header .label {
62
  -fx-alignment: CENTER_LEFT;
63
  -fx-font-weight: none;
64
}
65
66
.list-cell:even,
67
.list-cell:odd,
68
.table-row-cell:even,
69
.table-row-cell:odd {  
70
  -fx-control-inner-background: derive( -fx-base, 15% );
71
}
72
73
.list-cell:empty,
74
.table-row-cell:empty {
75
  -fx-background-color: transparent;
76
}
77
78
.list-cell,
79
.table-row-cell {
80
  -fx-border-color: transparent;
81
  -fx-table-cell-border-color: transparent;
82
}
83
84
/* Avoid clipping text descenders in statistics table row. */
85
.table-row-cell {
86
  -fx-cell-size: 30px;
87
}
188
A src/main/resources/com/keenwrite/themes/modena_dark.css
1
/* https://github.com/joffrey-bion/javafx-themes/blob/master/css/modena_dark.css
2
 */
3
.root {
4
  -fx-base: rgb( 50, 50, 50 );
5
  -fx-background: -fx-base;
6
7
  /* Make controls ( buttons, thumb, etc. ) slightly lighter */
8
  -fx-color: derive( -fx-base, 10% );
9
10
  /* Text fields and table rows background */
11
  -fx-control-inner-background: rgb( 20, 20, 20 );
12
  /* Version of -fx-control-inner-background for alternative rows */
13
  -fx-control-inner-background-alt: derive( -fx-control-inner-background, 2.5% );
14
15
  /* Text colors depending on background's brightness */
16
  -fx-light-text-color: rgb( 220, 220, 220 );
17
  -fx-mid-text-color: rgb( 100, 100, 100 );
18
  -fx-dark-text-color: rgb( 20, 20, 20 );
19
  -fx-text-foreground: -fx-light-text-color;
20
  -fx-text-background: derive( -fx-control-inner-background, 7.5% );
21
  -fx-text-selection: derive( -fx-control-inner-background, 45% );
22
23
  /* A bright blue for highlighting/accenting objects.  For example: selected
24
   * text; selected items in menus, lists, trees, and tables; progress bars */
25
  -fx-accent: rgb( 0, 80, 100 );
26
27
  /* Color of non-focused yet selected elements */
28
  -fx-selection-bar-non-focused: rgb( 50, 50, 50 );
29
}
30
31
.glyph-icon {
32
  -fx-text-fill: -fx-light-text-color;
33
  -fx-fill: -fx-light-text-color;
34
}
35
36
.glyph-icon:hover {
37
  -fx-effect: dropshadow( three-pass-box, rgba( 0, 0, 0, 0.2 ), 4, 0, 0, 0 );
38
}
39
40
/* Fix derived prompt color for text fields */
41
.text-input {
42
  -fx-prompt-text-fill: derive( -fx-control-inner-background, +50% );
43
}
44
45
/* Keep prompt invisible when focused ( above color fix overrides it ) */
46
.text-input:focused {
47
  -fx-prompt-text-fill: transparent;
48
}
49
50
/* Fix scroll bar buttons arrows colors */
51
.scroll-bar > .increment-button > .increment-arrow,
52
.scroll-bar > .decrement-button > .decrement-arrow {
53
  -fx-background-color: -fx-mark-highlight-color, rgb( 220, 220, 220 );
54
}
55
56
.scroll-bar > .increment-button:hover > .increment-arrow,
57
.scroll-bar > .decrement-button:hover > .decrement-arrow {
58
  -fx-background-color: -fx-mark-highlight-color, rgb( 240, 240, 240 );
59
}
60
61
.scroll-bar > .increment-button:pressed > .increment-arrow,
62
.scroll-bar > .decrement-button:pressed > .decrement-arrow {
63
  -fx-background-color: -fx-mark-highlight-color, rgb( 255, 255, 255 );
64
}
165
A src/main/resources/com/keenwrite/themes/modena_light.css
1
.root {
2
  -fx-text-foreground: -fx-dark-text-color;
3
  -fx-text-background: derive( -fx-accent, 124% );
4
  -fx-text-selection: #a6d2ff;
5
}
16
A src/main/resources/com/keenwrite/themes/scene.css
1
/*
2
 * Copyright (c) 2015 Karl Tauber <karl at jformdesigner dot com>
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions are met:
7
 *
8
 *  o Redistributions of source code must retain the above copyright
9
 *    notice, this list of conditions and the following disclaimer.
10
 *
11
 *  o Redistributions in binary form must reproduce the above copyright
12
 *    notice, this list of conditions and the following disclaimer in the
13
 *    documentation and/or other materials provided with the distribution.
14
 *
15
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 */
27
28
.tool-bar {
29
  -fx-spacing: 0;
30
}
31
32
.tool-bar .button {
33
  -fx-background-color: transparent;
34
}
35
36
.tool-bar .button:hover {
37
  -fx-background-color: -fx-shadow-highlight-color, -fx-outer-border, -fx-inner-border, -fx-body-color;
38
  -fx-color: -fx-hover-base;
39
}
40
41
.tool-bar .button:armed {
42
  -fx-color: -fx-pressed-base;
43
}
44
45
/* Definition editor drag and drop target.
46
 */
47
.drop-target {
48
  -fx-border-color: #eea82f;
49
  -fx-border-width: 0 0 2 0;
50
  -fx-padding: 3 3 1 3
51
}
152
A src/main/resources/com/keenwrite/themes/silver_cavern.css
1
/* https://toedter.com/2011/10/26/java-fx-2-0-css-styling/
2
 */
3
.root {
4
  -fx-base: rgb( 50, 50, 50 );
5
  -fx-background: -fx-base;
6
  -fx-control-inner-background: -fx-base;
7
8
  -fx-light-text-color: derive( -fx-base, 150% );
9
  -fx-mid-text-color: derive( -fx-base, 100% );
10
  -fx-dark-text-color: derive( -fx-base, 25% );
11
  -fx-text-foreground: -fx-light-text-color;
12
  -fx-text-background: derive( -fx-control-inner-background, 7.5% );
13
  -fx-text-selection: derive( -fx-control-inner-background, 45% );
14
}
15
16
.glyph-icon {
17
  -fx-text-fill: -fx-light-text-color;
18
  -fx-fill: -fx-light-text-color;
19
}
20
21
.glyph-icon:hover {
22
  -fx-effect: dropshadow( three-pass-box, rgba( 0, 0, 0, 0.2 ), 4, 0, 0, 0 );
23
}
24
 
25
.tab {
26
  -fx-background-color: linear-gradient( to top, -fx-base, derive( -fx-base, 30% ) );
27
}
28
29
.menu-bar {
30
  -fx-background-color: linear-gradient( to bottom, -fx-base, derive( -fx-base, 30% ) );
31
}
32
 
33
.tool-bar:horizontal {
34
  -fx-background-color: linear-gradient( to bottom, derive( -fx-base, +50% ), derive( -fx-base, -40% ), derive( -fx-base, -20% ) );
35
}
36
 
37
.button {
38
  -fx-background-color: transparent;
39
}
40
 
41
.button:hover {
42
  -fx-background-color: -fx-shadow-highlight-color, -fx-outer-border, -fx-inner-border, -fx-body-color;
43
  -fx-color: -fx-hover-base;
44
}
45
 
46
.table-view {
47
  -fx-table-cell-border-color:derive( -fx-base, +10% );
48
  -fx-table-header-border-color:derive( -fx-base, +20% );
49
}
50
 
51
.split-pane:horizontal > * > .split-pane-divider {
52
  -fx-border-color: transparent -fx-base transparent -fx-base;
53
  -fx-background-color: transparent, derive( -fx-base, 20% );
54
  -fx-background-insets: 0, 0 1 0 1;
55
}
56
57
.separator-label {
58
  -fx-text-fill: orange;
59
}
160
A src/main/resources/com/keenwrite/themes/solarized_dark.css
1
/* https://ethanschoonover.com/solarized
2
 */
3
.root {
4
  /* Solarized: base03 */
5
  -fx-base: rgb( 0, 43, 54 );
6
  -fx-background: -fx-base;
7
8
  /* Brighten controls */
9
  -fx-color: derive( -fx-base, -40% );
10
11
  -fx-control-inner-background: -fx-base;
12
  -fx-control-inner-background-alt: derive( -fx-control-inner-background, 2.5% );
13
14
  /* Text colors */
15
  /* Solarized: base0 */
16
  -fx-light-text-color: rgb( 131, 148, 150 );
17
  -fx-mid-text-color: derive( -fx-light-text-color, 50% );
18
  -fx-dark-text-color: derive( -fx-light-text-color, 25% );
19
  -fx-text-foreground: -fx-light-text-color;
20
  -fx-text-background: derive( -fx-control-inner-background, 7.5% );
21
  -fx-text-selection: derive( -fx-control-inner-background, 45% );
22
23
  -fx-mid-text-color: derive( -fx-base, 100% );
24
  -fx-dark-text-color: derive( -fx-base, 25% );
25
  -fx-text-foreground: -fx-light-text-color;
26
  -fx-text-background: derive( -fx-control-inner-background, 7.5% );
27
  -fx-text-selection: derive( -fx-control-inner-background, 45% );
28
29
  /* Accent colors */
30
  -fx-accent: rgb( 38, 139, 210 );
31
  -fx-focus-color: rgb( 253, 246, 227 );
32
33
  /* Non-focused-selected elements */
34
  -fx-selection-bar-non-focused: rgb( 0, 43, 54 );
35
}
36
37
.glyph-icon {
38
  -fx-text-fill: -fx-light-text-color;
39
  -fx-fill: -fx-light-text-color;
40
}
41
42
.glyph-icon:hover {
43
  -fx-effect: dropshadow( three-pass-box, rgba( 0, 0, 0, 0.2 ), 4, 0, 0, 0 );
44
}
45
46
.scroll-bar {
47
  -fx-background-color: derive( -fx-base, 45% );
48
}
49
50
.caret {
51
  -fx-stroke: -fx-accent;
52
}
53
154
A src/main/resources/com/keenwrite/themes/vampire_byte.css
1
/* https://github.com/Col-E/Recaf/blob/master/src/main/resources/style/ui-dark.css
2
 */
3
.root {
4
  -fx-base: rgb( 45, 45, 46 );
5
  -fx-background: -fx-base;
6
7
  /* Brighten controls */
8
  -fx-color: derive( -fx-base, -40% );
9
10
  /* Control background */
11
  -fx-control-inner-background: rgb( 46, 46, 47 );
12
13
  /* Alternative control background ( rows ) */
14
  -fx-control-inner-background-alt: derive( -fx-control-inner-background, 2.5% );
15
16
  /* Text colors */
17
  -fx-light-text-color: rgb( 220, 220, 220 );
18
  -fx-mid-text-color: rgb( 100, 100, 100 );
19
  -fx-dark-text-color: rgb( 20, 20, 20 );
20
  -fx-text-foreground: -fx-light-text-color;
21
  -fx-text-background: derive( -fx-control-inner-background, 7.5% );
22
  -fx-text-selection: derive( -fx-control-inner-background, 45% );
23
24
  /* Accent colors */
25
  -fx-accent: rgb( 51, 51, 52 );
26
  -fx-focus-color: rgb( 51, 51, 52 );
27
28
  /* Non-focused-selected elements */
29
  -fx-selection-bar-non-focused: rgb( 45, 45, 46 );
30
}
31
32
.glyph-icon {
33
  -fx-text-fill: -fx-light-text-color;
34
  -fx-fill: -fx-light-text-color;
35
}
36
37
.glyph-icon:hover {
38
  -fx-effect: dropshadow( three-pass-box, rgba( 0, 0, 0, 0.2 ), 4, 0, 0, 0 );
39
}
40
41
* {
42
  -fx-highlight-fill: rgba( 0, 180, 255, 0.4 );
43
}
44
45
/* Scroll */
46
.scroll-bar {
47
  -fx-background-color: rgb( 61,61,62 );
48
}
49
.scroll-bar .thumb {
50
  -fx-background-color: rgb( 91,91,92 );
51
  -fx-background-radius: 0;
52
}
53
.scroll-bar .thumb:hover,
54
.scroll-bar .thumb:pressed {
55
  -fx-background-color: rgb( 141,141,142 );
56
}
57
.scroll-bar .increment-button .increment-arrow,
58
.scroll-bar .decrement-button .decrement-arrow {
59
  -fx-background-color: rgb( 200,200,200 );
60
}
61
.corner {
62
  -fx-background-color: rgb( 61,61,62 );
63
}
64
65
/* Menu */
66
.menu-bar {
67
  -fx-background-color: rgb( 45, 45, 48 );
68
}
69
.menu {
70
  -fx-padding: 6 14 6 14;
71
  -fx-background-insets: -1;
72
}
73
.menu-item {
74
  -fx-padding: 5 11 5 11;
75
  -fx-background-insets: -1;
76
}
77
.menu:hover {
78
  -fx-background-color: rgb( 61, 61, 62 );
79
}
80
.context-menu,
81
.menu:showing {
82
  -fx-background-color: rgb( 27, 27, 28 );
83
  -fx-border-insets: -1;
84
  -fx-border-width: 1;
85
  -fx-border-color: black;
86
}
87
.context-menu {
88
  -fx-min-width: 80px;
89
  -fx-background-insets: -1;
90
  -fx-border-insets: -1;
91
  -fx-border-width: 1;
92
  -fx-border-color: black;
93
}
94
.context-menu .menu-item:focused {
95
  -fx-background-color: rgb( 61, 61, 62 );
96
}
97
.context-menu-header {
98
  /* TODO: Find a way to disable hover coloring on the menu header */
99
  -fx-opacity: 1.0;
100
  -fx-background-color: rgb( 24, 50, 95 );
101
}
102
.context-menu-header .label {
103
  -fx-opacity: 1.0;
104
}
105
106
/* Tabs */
107
.tab-pane {
108
  -fx-tab-min-width: 100px;
109
}
110
.tab-pane *.tab-header-background {
111
  -fx-background-color: rgb( 29, 29, 31 );
112
  -fx-border-width: 0 0 1 0;
113
  -fx-border-color: black;
114
}
115
.headers-region {
116
  -fx-background-color: rgb( 75, 75, 76 );
117
}
118
.tab {
119
  -fx-background-color: rgb( 36,36,37 );
120
  -fx-background-insets: 2 -1 -1 -1;
121
  -fx-background-radius: 0;
122
  -fx-padding: 2 2 1 2;
123
  -fx-border-insets: 0;
124
  -fx-border-width: 1 1 1 1;
125
  -fx-border-color: black;
126
}
127
.tab:selected {
128
  -fx-background-color: rgb( 45, 45, 46 );
129
  -fx-background-insets: 2 -1 -1 -1;
130
  -fx-padding: 2;
131
  -fx-border-insets: 0;
132
  -fx-border-width: 1 1 0 1;
133
  -fx-border-color: black;
134
}
135
.tab:selected .focus-indicator {
136
  -fx-border-color: transparent;
137
}
138
139
/* Table */
140
.table-view {
141
  -fx-selection-bar: rgb( 50, 71, 77 );
142
  -fx-selection-bar-non-focused: rgb( 46, 56, 59 );
143
  -fx-background-color: rgb( 36,36,37 );
144
  -fx-background-insets: 2 -1 -1 -1;
145
  -fx-background-radius: 0;
146
  -fx-padding: -1;
147
  -fx-border-width: 0 1 1 1;
148
  -fx-border-color: rgb( 22, 22, 23 );
149
}
150
.table-view .filler,
151
.table-view .show-hide-columns-button,
152
.column-overlay {
153
  -fx-background-color: transparent;
154
}
155
.column-header-background {
156
  -fx-background-color: rgb( 36,36,37 );
157
  -fx-background-insets: 2 -1 -1 -1;
158
  -fx-padding: -1;
159
  -fx-border-insets: 0;
160
  -fx-border-width: 0 1 0 1;
161
  -fx-border-color: rgb( 22, 22, 23 );
162
}
163
.column-header {
164
  -fx-background-color: rgb( 45, 45, 46 );
165
  -fx-background-insets: -1 -0 -1 0;
166
  -fx-padding: 2;
167
  -fx-border-insets: 1 -1 1 0;
168
  -fx-border-width: 1;
169
  -fx-border-color: rgb( 22, 22, 23 );
170
}
171
172
/* Splitpane */
173
.split-pane-divider {
174
  -fx-background-color: black;
175
  -fx-padding: 0;
176
  -fx-background-insets: -5;
177
}
178
179
/* Tree */
180
.tree-table-view,
181
.tree-view {
182
  -fx-background-color: rgb( 29, 29, 31 );
183
  -fx-background-insets: 0;
184
  -fx-border-width: 0 1 0 0;
185
  -fx-border-color: black;
186
}
187
.tree-table-cell,
188
.tree-cell {
189
  -fx-background-color: rgb( 29, 29, 31 );
190
}
191
.tree-cell:selected {
192
  -fx-background-color: rgb( 44, 48, 55 );
193
}
194
195
/* Buttons */
196
.box,
197
.button,
198
.combo-box,
199
.slider .thumb {
200
  -fx-background-radius: 0;
201
  -fx-background-color: rgb( 63, 63, 70 );
202
  -fx-background-insets: 0;
203
  -fx-border-width: 1;
204
  -fx-border-color: rgb( 85, 85, 85 );
205
}
206
.check-box:hover .box,
207
.button:hover,
208
.combo-box:hover,
209
.slider .thumb:hover {
210
  -fx-background-color: rgb( 80, 80, 85 );
211
  -fx-border-color: rgb( 0, 122, 205 );
212
}
213
.check-box:pressed .box,
214
.button:pressed,
215
.combo-box:pressed,
216
.slider .thumb:pressed {
217
  -fx-background-color: rgb( 0, 122, 205 );
218
  -fx-border-color: rgb( 0, 162, 245 );
219
}
220
.combo-box:showing {
221
  -fx-background-color: rgb( 27, 27, 28 );
222
  -fx-border-width: 1 1 0 1;
223
  -fx-border-color: black;
224
}
225
.combo-box .combo-box-popup .list-cell {
226
  -fx-background-color: rgb( 27, 27, 28 );
227
}
228
.combo-box .combo-box-popup .list-cell:hover {
229
  -fx-background-color: rgb( 61, 61, 62 );
230
}
231
.combo-box .combo-box-popup .list-view {
232
  -fx-background-color: rgb( 27, 27, 28 );
233
  -fx-border-width: 0 1 1 1;
234
  -fx-border-color: black;
235
}
236
.hyperlink {
237
  -fx-text-fill: rgb( 30, 132, 250 );
238
}
239
hyperlink:visited {
240
  -fx-text-fill: rgb( 98, 59, 217 );
241
}
242
243
/* slider */
244
.slider .track {
245
  -fx-background-radius: 0;
246
  -fx-background-color: rgb( 29, 29, 31 );
247
  -fx-background-insets: 0;
248
  -fx-border-width: 1;
249
  -fx-border-color: rgb( 65, 65, 65 );
250
}
251
.slider .thumb {
252
  -fx-padding: 5;
253
}
254
.axis-tick-mark {
255
  -fx-stroke: rgb( 100, 100, 100 );
256
}
257
258
/* Text */
259
.text-area .content,
260
.text-field {
261
  -fx-background-radius: 0;
262
  -fx-background-color: rgb( 63, 63, 70 );
263
  -fx-background-insets: 0;
264
  -fx-border-width: 1;
265
  -fx-border-color: rgb( 85, 85, 85 );
266
}
267
.text-area {
268
  -fx-background-radius: 0;
269
  -fx-background-color: rgb( 63, 63, 70 );
270
  -fx-background-insets: 0;
271
  -fx-border-width: 1;
272
  -fx-border-color: rgb( 85, 85, 85 );
273
}
274
.text-area .content {
275
  -fx-border-width: 0;
276
}
277
278
/* Popup */
279
.tooltip {
280
  -fx-background-radius: 0;
281
  -fx-background-color: rgb( 40, 40, 42 );
282
  -fx-background-insets: 0;
283
  -fx-border-width: 1;
284
  -fx-border-color: rgb( 70, 70, 72 );
285
}
1286
A src/main/resources/com/keenwrite/xml.css
1
.tagmark {
2
    -fx-fill: gray;
3
}
4
.anytag {
5
    -fx-fill: crimson;
6
}
7
.paren {
8
    -fx-fill: firebrick;
9
    -fx-font-weight: bold;
10
}
11
.attribute {
12
    -fx-fill: darkviolet;
13
}
14
.avalue {
15
    -fx-fill: black;
16
}
117
18
.comment {
19
	-fx-fill: teal;
20
}
A src/main/resources/fonts/noto-sans/NotoSans-Bold.ttf
Binary file
A src/main/resources/fonts/noto-sans/NotoSans-BoldItalic.ttf
Binary file
A src/main/resources/fonts/noto-sans/NotoSans-Italic.ttf
Binary file
A src/main/resources/fonts/noto-sans/NotoSans-Regular.ttf
Binary file
A src/main/resources/fonts/source-code-pro/SourceCodePro-Bold.ttf
Binary file
A src/main/resources/fonts/source-code-pro/SourceCodePro-BoldItalic.ttf
Binary file
A src/main/resources/fonts/source-code-pro/SourceCodePro-Italic.ttf
Binary file
A src/main/resources/fonts/source-code-pro/SourceCodePro-Regular.ttf
Binary file
A src/main/resources/fonts/source-serif-4/SourceSerif4-Bold.otf
Binary file
A src/main/resources/fonts/source-serif-4/SourceSerif4-BoldItalic.otf
Binary file
A src/main/resources/fonts/source-serif-4/SourceSerif4-Italic.otf
Binary file
A src/main/resources/fonts/source-serif-4/SourceSerif4-Regular.otf
Binary file
A src/main/resources/lexicons/README.md
1
# Building
2
3
The lexicon files are retrieved from SymSpell in the parent directory:
4
5
svn export \
6
  https://github.com/wolfgarbe/SymSpell/trunk/SymSpell.FrequencyDictionary/ lexicons
7
8
The lexicons and bigrams are both space-separated, but parsing a
9
tab-delimited file is easier, so change them to tab-separated files.
110
A src/main/resources/lexicons/de.txt
Binary file
A src/main/resources/lexicons/en.txt
Binary file
A src/main/resources/lexicons/es.txt
Binary file
A src/main/resources/lexicons/ext/README.md
1
# Overview
2
3
Lexicons in this directory are meant to relate to a particular subject
4
(medicine, chemistry, math, sports, and such), extend the main lexicon,
5
or not be in common use.
6
17
A src/main/resources/lexicons/ext/contractions.txt
11
2
'aight
3
ain't
4
amn't
5
aren't
6
can't
7
'cause
8
couldn't
9
couldn't've
10
could've
11
daren't
12
daresn't
13
dasn't
14
didn't
15
doesn't
16
don't
17
dunno
18
d'ye
19
e'er
20
everybody's
21
everyone's
22
g'day
23
gimme
24
giv'n
25
gonna
26
gon't
27
gotta
28
hadn't
29
had've
30
hasn't
31
haven't
32
he'd
33
he'll
34
he's
35
he've
36
how'd
37
howdy
38
how'll
39
how're
40
how's
41
how've
42
i'd
43
i'dn't've
44
i'd've
45
i'll
46
i'm
47
i'm'a
48
imma
49
innit
50
isn't
51
it'd
52
it'll
53
it's
54
i've
55
let's
56
ma'am
57
mayn't
58
may've
59
methinks
60
mightn't
61
might've
62
mustn't
63
mustn't've
64
must've
65
needn't
66
ne'er
67
o'clock
68
o'er
69
ol'
70
oughtn't
71
shalln't
72
shan't
73
she'd
74
she'll
75
she's
76
shouldn't
77
shouldn't've
78
should've
79
somebody's
80
someone's
81
something's
82
so're
83
that'd
84
that'll
85
that're
86
that's
87
there'd
88
there'll
89
there're
90
there's
91
these'd
92
these'll
93
these're
94
these've
95
they'd
96
they'll
97
they're
98
they've
99
this's
100
those're
101
those've
102
'tis
103
to've
104
'twas
105
'twouldn't
106
wanna
107
wasn't
108
we'd
109
we'd've
110
we'll
111
we're
112
weren't
113
we've
114
what'd
115
what'll
116
what're
117
what's
118
what've
119
when'd
120
when'll
121
when's
122
where'd
123
where'll
124
where're
125
where's
126
where've
127
which'd
128
which'll
129
which're
130
which's
131
which've
132
who'd
133
who'd've
134
who'll
135
who're
136
who's
137
who've
138
why'd
139
why'll
140
why're
141
why's
142
willn't
143
won't
144
wouldn't
145
wouldn't've
146
would've
147
y'all
148
y'all'd've
149
y'all're
150
you'd
151
you'dn't've
152
you'll
153
you're
154
you've
155
A src/main/resources/lexicons/ext/tech.txt
1
analytics	130337
2
hotspot	130022
3
instantiation	130000
4
onboarding	129953
5
biometric	129795
6
anamorphic	129777
7
benchmarking	129772
8
cybersecurity	129769
9
barcode	129757
10
splitter	129755
11
keychain	129719
12
crowdfunding	129696
13
polymorphism	129688
14
automata	129666
15
shockwave	129658
16
profiler	129648
17
kerning	129646
18
nanometer	129630
19
meridiem	129624
20
influencer	129618
21
passcode	129617
22
sexting	129607
23
cryptology	129606
24
biometrics	129606
25
bitcoin	129599
26
specular	129598
27
accelerometer	129588
28
googolplex	129583
29
grayscale	129576
30
ascender	129571
31
pixelated	129569
32
rockstar	129565
33
ragdoll	129564
34
cyberattack	129564
35
cryptanalysis	129562
36
ransomware	129553
37
crowdsourcing	129552
38
hackathon	129551
39
audiobook	129544
40
degauss	129543
41
attenuator	129540
42
jetpack	129538
43
packrat	129536
44
backlight	129535
45
bootable	129530
46
octothorpe	129529
47
newsfeed	129525
48
extranet	129523
49
failover	129516
50
cyberbullying	129516
51
neumann	129515
52
capacitive	129514
53
backlit	129511
54
millimicron	129507
55
inductor	129505
56
workgroup	129502
57
journaling	129500
58
middleware	129499
59
spooler	129497
60
clamshell	129495
61
wireframe	129494
62
modularity	129493
63
strikethrough	129489
64
petabyte	129487
65
jughead	129482
66
acyclic	129482
67
gearhead	129478
68
stateful	129473
69
submenu	129467
70
pseudorandom	129463
71
earbuds	129461
72
narrowband	129460
73
recordable	129457
74
unallocated	129455
75
mappable	129455
76
chipset	129454
77
multicast	129447
78
loopback	129444
79
pixelate	129441
80
cryptographic	129441
81
pixelation	129438
82
autocorrect	129438
83
teraflop	129437
84
digitizer	129436
85
tunnelling	129434
86
deduplication	129434
87
subwoofer	129433
88
touchpad	129429
89
namespace	129428
90
microcontroller	129428
91
geolocation	129428
92
telepresence	129427
93
driverless	129426
94
photolithography	129425
95
multiphase	129425
96
verifier	129424
97
robocall	129424
98
autofocus	129424
99
kilobit	129422
100
hacktivist	129419
101
geocache	129415
102
rasterize	129412
103
plaintext	129411
104
pipelining	129411
105
technobabble	129409
106
defragment	129409
107
connectionless	129409
108
homomorphic	129407
109
demodulator	129406
110
datagram	129406
111
activex	129406
112
normalisation	129404
113
blackhole	129402
114
cyberstalker	129401
115
multifunction	129400
116
undirected	129397
117
ciphertext	129397
118
superspeed	129396
119
spacebar	129395
120
cyberwar	129395
121
borderless	129395
122
transcode	129393
123
cyberbully	129393
124
multimeter	129392
125
dropship	129391
126
yottabyte	129390
127
infector	129390
128
superclass	129389
129
tooltip	129388
130
dereference	129387
131
combinator	129386
132
milliwatt	129385
133
cyberstalking	129384
134
subfolder	129383
135
wideband	129382
136
noncontiguous	129382
137
ferroelectric	129382
138
cybersquatting	129378
139
autofill	129378
140
trackpad	129376
141
associatively	129376
142
luggable	129374
143
seamonkey	129373
144
defragmentation	129373
145
starcraft	129371
146
obliquing	129371
147
leadless	129371
148
greeking	129371
149
upgradeable	129370
150
radiosity	129370
151
transcoding	129369
152
quintillionth	129369
153
bitmapped	129369
154
subdirectory	129368
155
degausser	129368
156
curtiss	129368
157
scunthorpe	129367
158
undelete	129365
159
gigaflops	129365
160
darknet	129365
161
zettabyte	129364
162
topologies	129363
163
spidering	129363
164
photorealism	129363
165
multithreading	129363
166
deallocate	129363
167
mersenne	129362
168
machinima	129361
169
satisfiable	129360
170
laserjet	129360
171
multicore	129359
172
microblog	129359
173
megaflops	129359
174
homeomorphic	129359
175
microblogging	129358
176
kilobaud	129358
177
cyberwarfare	129358
178
microarchitecture	129357
179
autosave	129357
180
wirelessly	129356
181
sneakernet	129355
182
textbox	129354
183
obfuscator	129354
184
microkernel	129353
185
substring	129352
186
macroinstruction	129352
187
endianness	129352
188
indexable	129351
189
backtick	129351
190
unshielded	129350
191
cleartext	129350
192
autocomplete	129349
193
abandonware	129349
194
hacktivism	129348
195
antikythera	129348
196
stereolithography	129347
197
photorealistic	129347
198
macrovision	129347
199
greasemonkey	129347
200
geotagging	129347
201
disassembler	129346
202
spacewar	129345
203
pluggable	129345
204
kilobits	129345
205
webcomic	129344
206
unfollow	129344
207
photosensor	129344
208
petaflop	129344
209
garageband	129344
210
truetype	129343
211
subnetwork	129342
212
backpropagation	129342
213
supercomputing	129340
214
smartwatch	129340
215
unbundled	129339
216
smilies	129339
217
milliamp	129339
218
bytecode	129339
219
trackpoint	129337
220
slipstreaming	129337
221
monospace	129337
222
memoization	129337
223
scaleable	129336
224
respawn	129335
225
multicasting	129335
226
geocacher	129335
227
workgroups	129334
228
ferrofluid	129334
229
smartdrive	129333
230
subsampling	129332
231
rasterization	129332
232
guiltware	129332
233
defragger	129332
234
satisfiability	129331
235
activision	129331
236
subdirectories	129330
237
segfault	129330
238
flamebait	129330
239
framebuffer	129329
240
defragging	129329
241
decompiler	129329
242
unshift	129328
243
memristor	129328
244
zebibyte	129327
245
semiprime	129327
246
rotoscoping	129327
247
hypertransport	129327
248
smartmedia	129326
249
grayware	129326
250
defragmenting	129326
251
defragmenter	129326
252
repagination	129325
253
subnetting	129324
254
skeuomorphism	129324
255
screencast	129324
256
stylesheet	129323
257
superintelligence	129322
258
multitenancy	129322
259
datastore	129322
260
autoplay	129322
261
repaginate	129321
262
macbook	129321
263
geotagged	129321
264
baudrate	129321
265
transmeta	129320
266
screwless	129320
267
nameserver	129320
268
interexchange	129320
269
geocoding	129319
270
downloader	129319
271
autodiscovery	129319
272
extortion	65752
273
emoji	65684
274
googol	65618
275
backside	65388
276
fibre	65387
277
metre	65333
278
royale	65173
279
radix	65093
280
hotdog	65091
281
lecher	65062
282
uptime	65009
283
unbound	64979
284
eniac	64975
285
synaptic	64966
286
voxel	64926
287
selfie	64917
288
uplink	64887
289
fanboy	64857
290
defrag	64849
291
nondisclosure	64839
292
qubit	64828
293
yippie	64821
294
gearhead	64819
295
subnet	64818
296
endian	64798
297
bezier	64797
298
reallocation	64796
299
telephonic	64789
300
mosfet	64777
301
mutex	64775
302
inkjet	64772
303
gobbing	64768
304
shader	64766
305
ultralight	64755
306
hackers	64746
307
pacman	64742
308
unlink	64741
309
undock	64740
310
understroke	64738
311
beginners	64736
312
photoscope	64731
313
gantt	64725
314
programmers	64722
315
todays	64720
316
moores	64716
317
fullscreen	64715
318
moveless	64708
319
reformatted	64704
320
deallocate	64704
321
laserdisc	64702
322
macos	64700
323
nonactive	64697
324
nonadjacent	64696
325
hotfix	64695
326
keylogger	64694
327
geotag	64691
328
oreilly	64681
329
exabit	64678
330
jailbroken	64677
331
fuzzer	64676
332
noninteractive	64673
333
multifactor	64672
334
letterspacing	64671
335
preinstall	64669
336
multiboot	64666
337
runescape	64665
338
micropayment	64664
339
numpad	64663
340
preinstalled	64661
341
jailbreaking	64660
342
attend	2158
343
withstand	1809
344
transpire	1116
345
reading	1110
346
texture	1065
347
capitalize	832
348
calling	779
349
unfold	767
350
starboard	679
351
commode	625
352
doing	594
353
textbook	499
354
unease	378
355
unpack	358
356
keycard	231
357
mainspring	207
358
grr	180
359
geocaching	167
360
microbus	160
361
mp3	147
362
svg	139
363
shifted	128
364
texted	127
365
towheaded	118
366
mineshaft	115
367
nonparty	95
368
crossbite	80
369
resignedness	69
370
msrp	61
371
inbreak	53
372
nanocomposite	44
373
md5	44
374
neomorphic	41
375
superstrain	28
376
lifers	27
377
multination	26
378
smartwatch	22
379
antilibration	22
380
zapf	20
381
mp4	20
1382
A src/main/resources/lexicons/fr.txt
Binary file
A src/main/resources/lexicons/he.txt
Binary file
A src/main/resources/lexicons/it.txt
Binary file
A src/main/resources/lexicons/ru.txt
Binary file
A src/main/resources/lexicons/zh.txt
Binary file
A src/test/java/com/keenwrite/AwaitFxExtension.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite;
3
4
import javafx.embed.swing.JFXPanel;
5
import org.junit.jupiter.api.extension.BeforeAllCallback;
6
import org.junit.jupiter.api.extension.ExtensionContext;
7
import org.testfx.osgi.service.TestFx;
8
9
import java.util.concurrent.Semaphore;
10
11
import static javafx.application.Platform.runLater;
12
import static javax.swing.SwingUtilities.invokeLater;
13
14
/**
15
 * Blocks all unit tests until JavaFX is ready.
16
 */
17
public class AwaitFxExtension implements BeforeAllCallback {
18
  /**
19
   * Prevent {@link RuntimeException} for internal graphics not initialized yet.
20
   *
21
   * @param context Provided by the {@link TestFx} framework.
22
   * @throws InterruptedException Could not acquire semaphore.
23
   */
24
  @Override
25
  public void beforeAll( final ExtensionContext context )
26
    throws InterruptedException {
27
    final var semaphore = new Semaphore( 0 );
28
29
    invokeLater( () -> {
30
      // Prepare JavaFX toolkit and environment.
31
      new JFXPanel();
32
      runLater( semaphore::release );
33
    } );
34
35
    semaphore.acquire();
36
  }
37
}
138
A src/test/java/com/keenwrite/definition/TreeViewTest.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.definition;
3
4
import com.keenwrite.editors.definition.DefinitionEditor;
5
import com.keenwrite.editors.definition.yaml.YamlTreeTransformer;
6
import com.keenwrite.editors.markdown.MarkdownEditor;
7
import com.keenwrite.preferences.Workspace;
8
import com.keenwrite.preview.HtmlPreview;
9
import com.panemu.tiwulfx.control.dock.DetachableTabPane;
10
import javafx.application.Application;
11
import javafx.beans.property.SimpleObjectProperty;
12
import javafx.event.Event;
13
import javafx.event.EventHandler;
14
import javafx.scene.Node;
15
import javafx.scene.Scene;
16
import javafx.scene.control.ColorPicker;
17
import javafx.scene.control.SplitPane;
18
import javafx.scene.control.Tooltip;
19
import javafx.scene.control.TreeItem;
20
import javafx.stage.Stage;
21
import org.testfx.framework.junit5.Start;
22
23
import static com.keenwrite.util.FontLoader.initFonts;
24
25
//@ExtendWith(ApplicationExtension.class)
26
public class TreeViewTest extends Application {
27
  private final SimpleObjectProperty<Node> mTextEditor =
28
    new SimpleObjectProperty<>();
29
30
  private final EventHandler<TreeItem.TreeModificationEvent<Event>> mTreeHandler =
31
    event -> refresh( mTextEditor.get() );
32
33
  private void refresh( final Node node ) {
34
    throw new RuntimeException( "Derp: " + node );
35
  }
36
37
  public static void main( final String[] args ) {
38
    initFonts();
39
    launch( args );
40
  }
41
42
  public void start( final Stage stage ) {
43
    onStart( stage );
44
  }
45
46
  @Start
47
  private void onStart( final Stage stage ) {
48
    final var workspace = new Workspace();
49
    final var mainPane = new SplitPane();
50
51
    final var transformer = new YamlTreeTransformer();
52
    final var editor = new DefinitionEditor( transformer );
53
54
    final var tabPane1 = new DetachableTabPane();
55
    tabPane1.addTab( "Editor", editor );
56
57
    final var tabPane2 = new DetachableTabPane();
58
    final var tab21 = tabPane2.addTab( "Picker", new ColorPicker() );
59
    final var tab22 = tabPane2.addTab( "Editor",
60
                                       new MarkdownEditor( workspace ) );
61
    tab21.setTooltip( new Tooltip( "Colour Picker" ) );
62
    tab22.setTooltip( new Tooltip( "Text Editor" ) );
63
64
    final var tabPane3 = new DetachableTabPane();
65
    tabPane3.addTab( "Preview", new HtmlPreview( workspace ) );
66
67
    editor.addTreeChangeHandler( mTreeHandler );
68
69
    mainPane.getItems().addAll( tabPane1, tabPane2, tabPane3 );
70
71
    final var scene = new Scene( mainPane );
72
    stage.setScene( scene );
73
74
    stage.show();
75
  }
76
}
177
A src/test/java/com/keenwrite/editors/markdown/MarkdownEditorTest.java
1
package com.keenwrite.editors.markdown;
2
3
import com.keenwrite.AwaitFxExtension;
4
import com.keenwrite.preferences.Workspace;
5
import org.junit.jupiter.api.Test;
6
import org.junit.jupiter.api.extension.ExtendWith;
7
import org.testfx.framework.junit5.ApplicationExtension;
8
9
import java.util.regex.Pattern;
10
11
import static java.util.regex.Pattern.compile;
12
import static javafx.application.Platform.runLater;
13
import static org.junit.jupiter.api.Assertions.assertEquals;
14
import static org.junit.jupiter.api.Assertions.assertTrue;
15
16
@ExtendWith( {ApplicationExtension.class, AwaitFxExtension.class} )
17
public class MarkdownEditorTest {
18
  private static final String[] WORDS = new String[]{
19
    "Italicize",
20
    "English's",
21
    "foreign",
22
    "words",
23
    "based",
24
    "on",
25
    "popularity,",
26
    "like",
27
    "_bête_",
28
    "_noire_",
29
    "and",
30
    "_Weltanschauung_",
31
    "but",
32
    "not",
33
    "résumé.",
34
    "Don't",
35
    "omit",
36
    "accented",
37
    "characters!",
38
    "Cœlacanthe",
39
    "L'Haÿ-les-Roses",
40
    "Mühlfeldstraße",
41
    "Da̱nx̱a̱laga̱litła̱n",
42
  };
43
44
  private static final String TEXT = String.join( " ", WORDS );
45
46
  private static final Pattern REGEX = compile(
47
    "[^\\p{Mn}\\p{Me}\\p{L}\\p{N}'-]+" );
48
49
  /**
50
   * Test that the {@link MarkdownEditor} can retrieve a word at the caret
51
   * position, regardless of whether the caret is at the beginning, middle, or
52
   * end of the word.
53
   */
54
  @Test
55
  public void test_CaretWord_GetISO88591Word_WordSelected() {
56
    runLater( () -> {
57
      final var editor = createMarkdownEditor();
58
59
      for( int i = 0; i < WORDS.length; i++ ) {
60
        final var word = WORDS[ i ];
61
        final var len = word.length();
62
        final var expected = REGEX.matcher( word ).replaceAll( "" );
63
64
        for( int j = 0; j < len; j++ ) {
65
          editor.moveTo( offset( i ) + j );
66
          final var actual = editor.getCaretWordText();
67
          assertEquals( expected, actual );
68
        }
69
      }
70
    } );
71
  }
72
73
  /**
74
   * Test that the {@link MarkdownEditor} can make a word bold.
75
   */
76
  @Test
77
  public void test_CaretWord_SetWordBold_WordIsBold() {
78
    final var index = 20;
79
    final var editor = createMarkdownEditor();
80
81
    editor.moveTo( offset( index ) );
82
    editor.bold();
83
    assertTrue( editor.getText().contains( "**" + WORDS[ index ] + "**" ) );
84
  }
85
86
  /**
87
   * Returns the document offset for a string at the given index.
88
   */
89
  private static int offset( final int index ) {
90
    assert 0 <= index && index < WORDS.length;
91
    int offset = 0;
92
93
    for( int i = 0; i < index; i++ ) {
94
      offset += WORDS[ i ].length();
95
    }
96
97
    // Add the index to compensate for one space between words.
98
    return offset + index;
99
  }
100
101
  /**
102
   * Returns an instance of {@link MarkdownEditor} pre-populated with
103
   * {@link #TEXT}.
104
   *
105
   * @return A new {@link MarkdownEditor} instance, ready for unit tests.
106
   */
107
  private MarkdownEditor createMarkdownEditor() {
108
    final var workspace = new Workspace();
109
    final var editor = new MarkdownEditor( workspace );
110
    editor.setText( TEXT );
111
    return editor;
112
  }
113
}
1114
A src/test/java/com/keenwrite/io/FileWatchServiceTest.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import org.junit.jupiter.api.Test;
5
import org.junit.jupiter.api.Timeout;
6
7
import java.io.File;
8
import java.io.IOException;
9
import java.util.concurrent.Semaphore;
10
import java.util.function.Consumer;
11
12
import static java.io.File.createTempFile;
13
import static java.nio.file.Files.write;
14
import static java.nio.file.StandardOpenOption.APPEND;
15
import static java.nio.file.StandardOpenOption.CREATE;
16
import static java.util.concurrent.TimeUnit.SECONDS;
17
import static org.junit.jupiter.api.Assertions.assertEquals;
18
19
/**
20
 * Responsible for testing that the {@link FileWatchService} fires the
21
 * expected {@link FileEvent} when the system raises state changes.
22
 */
23
class FileWatchServiceTest {
24
  /**
25
   * Test that modifying a file produces a {@link FileEvent}.
26
   *
27
   * @throws IOException          Could not create watcher service.
28
   * @throws InterruptedException Could not join on watcher service thread.
29
   */
30
  @Test
31
  @Timeout( value = 5, unit = SECONDS )
32
  void test_SingleFile_Write_Notified() throws
33
    IOException, InterruptedException {
34
    final var text = "arbitrary text to write";
35
    final var file = createTemporaryFile();
36
    final var service = new FileWatchService( file );
37
    final var thread = new Thread( service );
38
    final var semaphor = new Semaphore( 0 );
39
    final var listener = createListener( ( f ) -> {
40
      semaphor.release();
41
      assertEquals( file, f );
42
    } );
43
44
    thread.start();
45
    service.addListener( listener );
46
    write( file.toPath(), text.getBytes(), CREATE, APPEND );
47
    semaphor.acquire();
48
    service.stop();
49
    thread.join();
50
  }
51
52
  private FileModifiedListener createListener( final Consumer<File> action ) {
53
    return fileEvent -> action.accept( fileEvent.getFile() );
54
  }
55
56
  private File createTemporaryFile() throws IOException {
57
    final var prefix = getClass().getPackageName();
58
    final var file = createTempFile( prefix, null, null );
59
    file.deleteOnExit();
60
    return file;
61
  }
62
}
163
A src/test/java/com/keenwrite/io/MediaTypeTest.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.io;
3
4
import org.junit.jupiter.api.Test;
5
6
import java.net.URI;
7
import java.util.Map;
8
9
import static com.keenwrite.io.MediaType.*;
10
import static org.junit.jupiter.api.Assertions.*;
11
12
/**
13
 * Test that {@link MediaType} instances can be queried and return reliable
14
 * results.
15
 */
16
public class MediaTypeTest {
17
  /**
18
   * Test that {@link MediaType#equals(String, String)} is case insensitive.
19
   */
20
  @Test
21
  public void test_Equality_IgnoreCase_Success() {
22
    final var mediaType = TEXT_PLAIN;
23
    assertTrue( mediaType.equals( "TeXt", "Plain" ) );
24
    assertEquals( "text/plain", mediaType.toString() );
25
  }
26
27
  /**
28
   * Test that {@link MediaType#valueFrom(String)} can lookup by file name.
29
   */
30
  @Test
31
  public void test_FilenameExtensions_Supported_Success() {
32
    final var map = Map.of(
33
      "jpeg", IMAGE_JPEG,
34
      "png", IMAGE_PNG,
35
      "svg", IMAGE_SVG_XML,
36
      "md", TEXT_MARKDOWN,
37
      "Rmd", TEXT_R_MARKDOWN,
38
      "Rxml", TEXT_R_XML,
39
      "txt", TEXT_PLAIN,
40
      "yml", TEXT_YAML
41
    );
42
43
    map.forEach( ( k, v ) -> assertEquals( v, valueFrom( "f." + k ) ) );
44
  }
45
46
  /**
47
   * Test that {@link HttpMediaType#valueFrom(URI)} will pull and identify the
48
   * type of resource based on the HTTP Content-Type header.
49
   */
50
  @Test
51
  public void test_HttpRequest_Supported_Success() {
52
    //@formatter:off
53
    final var map = Map.of(
54
       "https://stackoverflow.com/robots.txt", TEXT_PLAIN,
55
       "https://placekitten.com/g/400/400", IMAGE_JPEG,
56
       "https://upload.wikimedia.org/wikipedia/commons/9/9f/Vimlogo.svg", IMAGE_SVG_XML,
57
       "https://kroki.io//graphviz/svg/eNpLyUwvSizIUHBXqPZIzcnJ17ULzy_KSanlAgB1EAjQ", TEXT_PLAIN
58
    );
59
    //@formatter:on
60
61
    map.forEach( ( k, v ) -> {
62
      try {
63
        assertEquals( v, HttpMediaType.valueFrom( new URI( k ) ) );
64
      } catch( Exception e ) {
65
        fail();
66
      }
67
    } );
68
  }
69
}
170
A src/test/java/com/keenwrite/processors/markdown/ImageLinkExtensionTest.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.processors.markdown;
3
4
import com.keenwrite.AwaitFxExtension;
5
import com.keenwrite.Caret;
6
import com.keenwrite.preferences.Workspace;
7
import com.keenwrite.preview.HtmlPreview;
8
import com.keenwrite.processors.Processor;
9
import com.keenwrite.processors.ProcessorContext;
10
import com.keenwrite.processors.markdown.extensions.ImageLinkExtension;
11
import com.vladsch.flexmark.html.HtmlRenderer;
12
import com.vladsch.flexmark.parser.Parser;
13
import javafx.stage.Stage;
14
import org.junit.jupiter.api.Test;
15
import org.junit.jupiter.api.extension.ExtendWith;
16
import org.testfx.framework.junit5.ApplicationExtension;
17
import org.testfx.framework.junit5.Start;
18
19
import java.io.File;
20
import java.net.URI;
21
import java.net.URL;
22
import java.nio.file.Path;
23
import java.nio.file.Paths;
24
import java.util.HashMap;
25
import java.util.List;
26
import java.util.Map;
27
28
import static com.keenwrite.Constants.DOCUMENT_DEFAULT;
29
import static com.keenwrite.ExportFormat.NONE;
30
import static java.lang.String.format;
31
import static javafx.application.Platform.runLater;
32
import static org.junit.jupiter.api.Assertions.assertEquals;
33
import static org.junit.jupiter.api.Assertions.assertNotNull;
34
import static org.testfx.util.WaitForAsyncUtils.waitForFxEvents;
35
36
/**
37
 * Responsible for testing that linked images render into HTML according to
38
 * the {@link ImageLinkExtension} rules.
39
 */
40
@ExtendWith( {ApplicationExtension.class, AwaitFxExtension.class} )
41
@SuppressWarnings( "SameParameterValue" )
42
public class ImageLinkExtensionTest {
43
  private static final Workspace sWorkspace = new Workspace(
44
    getResource( "workspace.xml" ) );
45
46
  private static final Map<String, String> IMAGES = new HashMap<>();
47
48
  private static final String URI_WEB = "placekitten.com/200/200";
49
  private static final String URI_DIRNAME = "images";
50
  private static final String URI_FILENAME = "kitten";
51
52
  /**
53
   * Path to use for testing image file name resolution. Note that resources use
54
   * forward slashes, regardless of OS.
55
   */
56
  private static final String URI_PATH = URI_DIRNAME + '/' + URI_FILENAME;
57
58
  /**
59
   * Extension for the first existing image that matches the preferred image
60
   * extension order.
61
   */
62
  private static final String URI_IMAGE_EXT = ".png";
63
64
  /**
65
   * Relative path to an image that exists.
66
   */
67
  private static final String URI_IMAGE = URI_PATH + URI_IMAGE_EXT;
68
69
  static {
70
    addUri( URI_PATH + ".png" );
71
    addUri( URI_PATH + ".jpg" );
72
    addUri( URI_PATH, getResource( URI_PATH + URI_IMAGE_EXT ) );
73
    addUri( "//" + URI_WEB );
74
    addUri( "http://" + URI_WEB );
75
    addUri( "https://" + URI_WEB );
76
  }
77
78
  private HtmlPreview mPreview;
79
80
  @Start
81
  @SuppressWarnings( "unused" )
82
  private void start( final Stage stage ) {
83
    mPreview = new HtmlPreview( sWorkspace );
84
  }
85
86
  private static void addUri( final String actualExpected ) {
87
    addUri( actualExpected, actualExpected );
88
  }
89
90
  private static void addUri( final String actual, final String expected ) {
91
    IMAGES.put( toMd( actual ), toHtml( expected ) );
92
  }
93
94
  private static String toMd( final String resource ) {
95
    return format( "![Tooltip](%s 'Title')", resource );
96
  }
97
98
  private static String toHtml( final String url ) {
99
    return format(
100
      "<p><img src=\"%s\" alt=\"Tooltip\" title=\"Title\" /></p>\n", url );
101
  }
102
103
  /**
104
   * Test that the key URIs present in the {@link #IMAGES} map are rendered
105
   * as the value URIs present in the same map.
106
   */
107
  @Test
108
  void test_ImageLookup_RelativePathWithExtension_ResolvedSuccessfully() {
109
    final var resource = getResourcePath( URI_IMAGE );
110
    final var imagePath = new File( URI_IMAGE ).toPath();
111
    final var subpaths = resource.getNameCount() - imagePath.getNameCount();
112
    final var subpath = resource.subpath( 0, subpaths );
113
114
    // The root component isn't considered part of the path, so add it back.
115
    final var documentPath = Path.of(
116
      resource.getRoot().resolve( subpath ).toString(),
117
      DOCUMENT_DEFAULT.getName() );
118
    final var context = createProcessorContext( documentPath );
119
    final var extension = ImageLinkExtension.create( context );
120
    final var extensions = List.of( extension );
121
    final var pBuilder = Parser.builder();
122
    final var hBuilder = HtmlRenderer.builder();
123
    final var parser = pBuilder.extensions( extensions ).build();
124
    final var renderer = hBuilder.extensions( extensions ).build();
125
126
    assertNotNull( parser );
127
    assertNotNull( renderer );
128
129
    for( final var entry : IMAGES.entrySet() ) {
130
      final var key = entry.getKey();
131
      final var node = parser.parse( key );
132
      final var expectedHtml = entry.getValue();
133
      final var actualHtml = new StringBuilder( 128 );
134
135
      runLater( () -> actualHtml.append( renderer.render( node ) ) );
136
137
      waitForFxEvents();
138
      assertEquals( expectedHtml, actualHtml.toString() );
139
    }
140
  }
141
142
  /**
143
   * Creates a new {@link ProcessorContext} for the given file name path.
144
   *
145
   * @param documentPath Fully qualified path to the file name.
146
   * @return A context used for creating new {@link Processor} instances.
147
   */
148
  private ProcessorContext createProcessorContext( final Path documentPath ) {
149
    return new ProcessorContext(
150
      mPreview,
151
      new HashMap<>(),
152
      documentPath,
153
      Caret.builder().build(),
154
      NONE,
155
      sWorkspace
156
    );
157
  }
158
159
  private static URL toUrl( final String path ) {
160
    final var clazz = ImageLinkExtensionTest.class;
161
    final var packagePath = clazz.getPackageName().replace( '.', '/' );
162
    final var resourcePath = '/' + packagePath + '/' + path;
163
    return clazz.getResource( resourcePath );
164
  }
165
166
  private static URI toUri( final String path ) {
167
    try {
168
      return toUrl( path ).toURI();
169
    } catch( final Exception ex ) {
170
      throw new RuntimeException( ex );
171
    }
172
  }
173
174
  private static Path getResourcePath( final String path ) {
175
    return Paths.get( toUri( path ) );
176
  }
177
178
  private static String getResource( final String path ) {
179
    return toUri( path ).toString();
180
  }
181
}
1182
A src/test/java/com/keenwrite/r/PluralizeTest.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.r;
3
4
import org.junit.jupiter.api.BeforeAll;
5
import org.junit.jupiter.api.Test;
6
7
import javax.script.ScriptEngine;
8
import javax.script.ScriptEngineManager;
9
import javax.script.ScriptException;
10
import java.util.Map;
11
12
import static java.lang.String.format;
13
import static java.util.Map.entry;
14
import static java.util.Map.ofEntries;
15
import static org.junit.jupiter.api.Assertions.assertEquals;
16
17
/**
18
 * Test that English pluralization rules produce expected values.
19
 */
20
public class PluralizeTest {
21
  private static final ScriptEngine ENGINE =
22
      (new ScriptEngineManager()).getEngineByName( "Renjin" );
23
24
  private static final Map<String, String> PLURAL_MAP = ofEntries(
25
      entry( "beef", "beefs" ),
26
      entry( "brother", "brothers" ),
27
      entry( "child", "children" ),
28
      entry( "cow", "cows" ),
29
      entry( "ephemeris", "ephemerides" ),
30
      entry( "genie", "genies" ),
31
      entry( "money", "moneys" ),
32
      entry( "mongoose", "mongooses" ),
33
      entry( "mythos", "mythoi" ),
34
      entry( "octopus", "octopuses" ),
35
      entry( "ox", "oxen" ),
36
      entry( "soliloquy", "soliloquies" ),
37
      entry( "trilby", "trilbys" ),
38
      entry( "wolf", "wolves" )
39
  );
40
41
  @BeforeAll
42
  static void setup() throws ScriptException {
43
    r( "setwd( 'R' );" );
44
    r( "source( 'pluralize.R' );" );
45
  }
46
47
  @Test
48
  @SuppressWarnings("UnnecessaryLocalVariable")
49
  public void test_Pluralize_SingularForms_PluralForms()
50
      throws ScriptException {
51
    for( final var key : PLURAL_MAP.keySet() ) {
52
      final var expectedSingular = key;
53
      final var expectedPlural = PLURAL_MAP.get( key );
54
      final var actualSingular = pluralize( key, 1 );
55
      final var actualPlural = pluralize( key, 2 );
56
57
      assertEquals( expectedSingular, actualSingular );
58
      assertEquals( expectedPlural, actualPlural );
59
    }
60
  }
61
62
  private String pluralize( final String word, final int count )
63
      throws ScriptException {
64
    return r( format( "pluralize( '%s', %d );", word, count ) ).toString();
65
  }
66
67
  private static Object r( final String code ) throws ScriptException {
68
    return ENGINE.eval( code );
69
  }
70
}
171
A src/test/java/com/keenwrite/sigils/RSigilOperatorTest.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.sigils;
3
4
import javafx.beans.property.SimpleStringProperty;
5
import javafx.beans.property.StringProperty;
6
import org.junit.jupiter.api.Test;
7
8
import static org.junit.jupiter.api.Assertions.assertEquals;
9
10
/**
11
 * Responsible for simulating R variable injection.
12
 */
13
class RSigilOperatorTest {
14
15
  private final SigilOperator mOperator = createRSigilOperator();
16
17
  /**
18
   * Test that a key name becomes an R variable.
19
   */
20
  @Test
21
  void test_Entoken_KeyName_Tokenized() {
22
    final var expected = "v$a$b$c$d";
23
    final var actual = mOperator.entoken( "{{a.b.c.d}}" );
24
    assertEquals( expected, actual );
25
  }
26
27
  /**
28
   * Test that a key name becomes a viable R expression.
29
   */
30
  @Test
31
  void test_Apply_KeyName_Expression() {
32
    final var expected = "`r#x(v$a$b$c$d)`";
33
    final var actual = mOperator.apply( "v$a$b$c$d" );
34
    assertEquals( expected, actual );
35
  }
36
37
  private StringProperty createToken( final String token ) {
38
    return new SimpleStringProperty( token );
39
  }
40
41
  private Tokens createRTokens() {
42
    return createTokens( "x(", ")" );
43
  }
44
45
  private Tokens createYamlTokens() {
46
    return createTokens( "{{", "}}" );
47
  }
48
49
  private Tokens createTokens( final String began, final String ended ) {
50
    return new Tokens( createToken( began ), createToken( ended ) );
51
  }
52
53
  private YamlSigilOperator createYamlSigilOperator() {
54
    return new YamlSigilOperator( createYamlTokens() );
55
  }
56
57
  private RSigilOperator createRSigilOperator() {
58
    return new RSigilOperator( createRTokens(), createYamlSigilOperator() );
59
  }
60
}
161
A src/test/java/com/keenwrite/tex/TeXRasterization.java
1
/*
2
 * Copyright 2020-2021 White Magic Software, Ltd.
3
 *
4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions are met:
8
 *
9
 *  o Redistributions of source code must retain the above copyright
10
 *    notice, this list of conditions and the following disclaimer.
11
 *
12
 *  o Redistributions in binary form must reproduce the above copyright
13
 *    notice, this list of conditions and the following disclaimer in the
14
 *    documentation and/or other materials provided with the distribution.
15
 *
16
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
package com.keenwrite.tex;
29
30
import com.whitemagicsoftware.tex.DefaultTeXFont;
31
import com.whitemagicsoftware.tex.TeXEnvironment;
32
import com.whitemagicsoftware.tex.TeXFormula;
33
import com.whitemagicsoftware.tex.TeXLayout;
34
import com.whitemagicsoftware.tex.graphics.AbstractGraphics2D;
35
import com.whitemagicsoftware.tex.graphics.SvgDomGraphics2D;
36
import com.whitemagicsoftware.tex.graphics.SvgGraphics2D;
37
import org.junit.jupiter.api.Test;
38
import org.xml.sax.SAXException;
39
40
import javax.imageio.ImageIO;
41
import javax.xml.parsers.DocumentBuilderFactory;
42
import javax.xml.parsers.ParserConfigurationException;
43
import java.awt.image.BufferedImage;
44
import java.io.ByteArrayInputStream;
45
import java.io.File;
46
import java.io.IOException;
47
import java.nio.file.Path;
48
49
import static com.keenwrite.preview.SvgRasterizer.*;
50
import static java.lang.System.getProperty;
51
import static org.junit.jupiter.api.Assertions.assertEquals;
52
53
/**
54
 * Test that TeX rasterization produces a readable image.
55
 */
56
public class TeXRasterization {
57
  private static final String LOAD_EXTERNAL_DTD =
58
      "http://apache.org/xml/features/nonvalidating/load-external-dtd";
59
60
  private static final String EQUATION =
61
      "G_{\\mu \\nu} = \\frac{8 \\pi G}{c^4} T_{{\\mu \\nu}}";
62
63
  private static final String DIR_TEMP = getProperty( "java.io.tmpdir" );
64
65
  private static final long FILESIZE = 12364;
66
67
  /**
68
   * Test that an equation can be converted to a raster image and the
69
   * final raster image size corresponds to the input equation. This is
70
   * a simple way to verify that the rasterization process is correct,
71
   * albeit if any aspect of the SVG algorithm changes (such as padding
72
   * around the equation), it will cause this test to fail, which is a bit
73
   * misleading.
74
   */
75
  @Test
76
  public void test_Rasterize_SimpleFormula_CorrectImageSize()
77
      throws IOException {
78
    final var g = new SvgGraphics2D();
79
    drawGraphics( g );
80
    verifyImage( rasterizeString( g.toString() ) );
81
  }
82
83
  /**
84
   * Test that an SVG document object model can be parsed and rasterized into
85
   * an image.
86
   */
87
  @Test
88
  public void getTest_SvgDomGraphics2D_InputElement_OutputRasterizedImage()
89
      throws ParserConfigurationException, IOException, SAXException {
90
    final var g = new SvgGraphics2D();
91
    drawGraphics( g );
92
93
    final var expectedSvg = g.toString();
94
    final var bytes = expectedSvg.getBytes();
95
96
    final var dbf = DocumentBuilderFactory.newInstance();
97
    dbf.setFeature( LOAD_EXTERNAL_DTD, false );
98
    dbf.setNamespaceAware( false );
99
    final var builder = dbf.newDocumentBuilder();
100
101
    final var doc = builder.parse( new ByteArrayInputStream( bytes ) );
102
    final var actualSvg = toSvg( doc.getDocumentElement() );
103
104
    verifyImage( rasterizeString( actualSvg ) );
105
  }
106
107
  /**
108
   * Test that an SVG image from a DOM element can be rasterized.
109
   *
110
   * @throws IOException Could not write the image.
111
   */
112
  @Test
113
  public void test_SvgDomGraphics2D_InputDom_OutputRasterizedImage()
114
      throws IOException {
115
    final var g = new SvgDomGraphics2D();
116
    drawGraphics( g );
117
118
    final var dom = g.toDom();
119
120
    verifyImage( rasterize( dom ) );
121
  }
122
123
  /**
124
   * Asserts that the given image matches an expected file size.
125
   *
126
   * @param image The image to check against the file size.
127
   * @throws IOException Could not write the image.
128
   */
129
  private void verifyImage( final BufferedImage image ) throws IOException {
130
    final var file = export( image, "dom.png" );
131
    assertEquals( FILESIZE, file.length() );
132
  }
133
134
  /**
135
   * Creates an SVG string for the default equation and font size.
136
   */
137
  private void drawGraphics( final AbstractGraphics2D g ) {
138
    final var size = 100f;
139
    final var texFont = new DefaultTeXFont( size );
140
    final var env = new TeXEnvironment( texFont );
141
    g.scale( size, size );
142
143
    final var formula = new TeXFormula( EQUATION );
144
    final var box = formula.createBox( env );
145
    final var layout = new TeXLayout( box, size );
146
147
    g.initialize( layout.getWidth(), layout.getHeight() );
148
    box.draw( g, layout.getX(), layout.getY() );
149
  }
150
151
  @SuppressWarnings("SameParameterValue")
152
  private File export( final BufferedImage image, final String filename )
153
      throws IOException {
154
    final var path = Path.of( DIR_TEMP, filename );
155
    final var file = path.toFile();
156
    ImageIO.write( image, "png", file );
157
    file.deleteOnExit();
158
    return file;
159
  }
160
}
1161
A src/test/java/com/keenwrite/util/CyclicIteratorTest.java
1
/* Copyright 2020-2021 White Magic Software, Ltd. -- All rights reserved. */
2
package com.keenwrite.util;
3
4
import org.junit.jupiter.api.Test;
5
6
import java.util.List;
7
import java.util.ListIterator;
8
import java.util.NoSuchElementException;
9
10
import static org.junit.jupiter.api.Assertions.*;
11
12
/**
13
 * Tests the {@link CyclicIterator} class.
14
 */
15
public class CyclicIteratorTest {
16
  /**
17
   * Test that the {@link CyclicIterator} can move forwards and backwards
18
   * through a {@link List}.
19
   */
20
  @Test
21
  public void test_Directions_NextPreviousCycles_Success() {
22
    final var list = List.of( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 );
23
    final var iterator = createCyclicIterator( list );
24
25
    // Test forwards through the iterator.
26
    for( int i = 0; i < list.size(); i++ ) {
27
      assertTrue( iterator.hasNext() );
28
      assertEquals( i, iterator.next() );
29
    }
30
31
    // Loop to the first item.
32
    iterator.next();
33
34
    // Test backwards through the iterator.
35
    for( int i = list.size() - 1; i >= 0; i-- ) {
36
      assertTrue( iterator.hasPrevious() );
37
      assertEquals( i, iterator.previous() );
38
    }
39
  }
40
41
  /**
42
   * Test that the {@link CyclicIterator} returns the last element when
43
   * the very first API call is to {@link ListIterator#previous()}.
44
   */
45
  @Test
46
  public void test_Direction_FirstPrevious_ReturnsLastElement() {
47
    final var list = List.of( 1, 2, 3, 4, 5, 6, 7 );
48
    final var iterator = createCyclicIterator( list );
49
50
    assertEquals( iterator.previous(), list.get( list.size() - 1 ) );
51
  }
52
53
  @Test
54
  public void test_Empty_Next_Exception() {
55
    final var iterator = createCyclicIterator( List.of() );
56
    assertThrows( NoSuchElementException.class, iterator::next );
57
  }
58
59
  @Test
60
  public void test_Empty_Previous_Exception() {
61
    final var iterator = createCyclicIterator( List.of() );
62
    assertThrows( NoSuchElementException.class, iterator::previous );
63
  }
64
65
  private <T> CyclicIterator<T> createCyclicIterator( final List<T> list ) {
66
    return new CyclicIterator<>( list );
67
  }
68
}
169
A src/test/resources/com/keenwrite/processors/markdown/images/kitten.jpg
Binary file
A src/test/resources/com/keenwrite/processors/markdown/images/kitten.png
Binary file
A src/test/resources/com/keenwrite/processors/markdown/workspace.xml
1
<?xml version="1.0" encoding="UTF-8"?>
2
<keenwrite>
3
   <workspace>
4
      <images>
5
         <order>svg pdf png jpg tiff</order>
6
         <dir></dir>
7
      </images>
8
   </workspace>
9
</keenwrite>
110
A testing/.gitignore
1
*.class
12
A testing/demo.sikuli/1594187265140.png
Binary file
A testing/demo.sikuli/1594592396134.png
Binary file
A testing/demo.sikuli/1594593710440.png
Binary file
A testing/demo.sikuli/1594593794335.png
Binary file
A testing/demo.sikuli/1594594984108.png
Binary file
A testing/demo.sikuli/1594689573764.png
Binary file
A testing/demo.sikuli/demo.py
1
# -----------------------------------------------------------------------------
2
# Copyright 2020 White Magic Software, Ltd.
3
#
4
# Permission is hereby granted, free of charge, to any person obtaining a
5
# copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
#
12
# The above copyright notice and this permission notice shall be included
13
# in all copies or substantial portions of the Software.
14
#
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# Runs all scripts
26
# -----------------------------------------------------------------------------
27
28
import s01
29
import s02
30
import s03
31
import s04
132
A testing/demo.sikuli/s01.py
1
# -----------------------------------------------------------------------------
2
# Copyright 2020 White Magic Software, Ltd.
3
#
4
# Permission is hereby granted, free of charge, to any person obtaining a
5
# copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
#
12
# The above copyright notice and this permission notice shall be included
13
# in all copies or substantial portions of the Software.
14
#
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# This script introduces the editor and its purpose.
26
# -----------------------------------------------------------------------------
27
from sikuli import *
28
import sys
29
30
if not "../editor.sikuli" in sys.path:
31
    sys.path.append( "../editor.sikuli" )
32
33
from editor import *
34
35
# ---------------------------------------------------------------
36
# Fresh start
37
# ---------------------------------------------------------------
38
rm( app_home + "/variables.yaml" )
39
rm( app_home + "/untitled.md" )
40
rm( dir_home + "/.scrivenvar" )
41
42
# ---------------------------------------------------------------
43
# Wait for application to launch
44
# ---------------------------------------------------------------
45
openApp( "java -jar " + app_bin )
46
47
wait("1594187265140.png", 30)
48
49
# Breathing room for video recording.
50
wait( 4 )
51
52
# ---------------------------------------------------------------
53
# Introduction
54
# ---------------------------------------------------------------
55
set_typing_speed( 240 )
56
57
heading( "What is this application?" )
58
typer( "Well, this application is a text editor that supports interpolated definitions, ")
59
typer( "a few different text formats, real-time preview, spell check ") 
60
typer( "as you tipe" ) 
61
wait( 0.5 )
62
recur( 3, backspace )
63
typer( "ype, and R statements." )
64
paragraph()
65
wait( 1 )
66
67
# ---------------------------------------------------------------
68
# Definition demo
69
# ---------------------------------------------------------------
70
heading( "What are definitions?" )
71
typer( "Watch. " )
72
wait( .5 )
73
74
# Focus the definition editor.
75
click_create()
76
recur( 4, tab )
77
78
wait( .5 )
79
rename_definition( "application" )
80
81
insert()
82
rename_definition( "title" )
83
84
insert()
85
rename_definition( "Scrivenvar" )
86
87
# Set focus to the text editor.
88
tab()
89
90
typer( "The left-hand pane contains a nested, folder-like structure of names " )
91
typer( "and values that are called *definitions*. " )
92
wait( .5 )
93
typer( "Such definitions can simplify updating documents. " )
94
wait( 1 )
95
96
edit_find( "this application" )
97
typer( "$application.title$" )
98
99
edit_find_next()
100
typer( "$application.title$" )
101
102
type( Key.END, Key.CTRL )
103
104
typer( "The right-hand pane shows the result after having substituted definition " )
105
typer( "values into the document." ) 
106
107
paragraph()
108
typer( "Now nobody wants to type definition names all the time. Instead, type any " )
109
typer( "partial definition value followed by `Ctrl+Space`, such as: scr" )
110
wait( 0.5 )
111
autoinsert()
112
wait( 1 )
113
typer( ". *Much* better!" )
114
paragraph()
115
116
heading( "What is interpolation?" )
117
typer( "Definition values can reference definition names. " )
118
wait( .5 )
119
typer( "The definition names act as placeholders. Substituting placeholders with " )
120
typer( "their definition value is called *interpolation*. Let's see how it works." )
121
wait( 2 )
1122
A testing/demo.sikuli/s02.py
1
# -----------------------------------------------------------------------------
2
# Copyright 2020 White Magic Software, Ltd.
3
#
4
# Permission is hereby granted, free of charge, to any person obtaining a
5
# copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
#
12
# The above copyright notice and this permission notice shall be included
13
# in all copies or substantial portions of the Software.
14
#
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# This script demonstrates how to use interpolated strings.
26
# -----------------------------------------------------------------------------
27
from sikuli import *
28
import sys
29
30
if not "../editor.sikuli" in sys.path:
31
    sys.path.append( "../editor.sikuli" )
32
33
from editor import *
34
35
# -----------------------------------------------------------------------------
36
# Open sample chapter.
37
# -----------------------------------------------------------------------------
38
file_open()
39
type( Key.UP, Key.ALT )
40
wait( 1 )
41
typer( Key.END )
42
wait( 1 )
43
enter()
44
wait( 0.5 )
45
enter()
46
wait( 1 )
47
48
# -----------------------------------------------------------------------------
49
# Open the corresponding definition file.
50
# -----------------------------------------------------------------------------
51
file_open()
52
recur( 2, down )
53
wait( 1 )
54
enter()
55
wait( 1 )
56
57
# -----------------------------------------------------------------------------
58
# Edit the sample document.
59
# -----------------------------------------------------------------------------
60
set_typing_speed( 80 )
61
62
type( Key.HOME, Key.CTRL )
63
recur( 2, down )
64
65
# Grey
66
recur( 3, skip_right )
67
autoinsert()
68
69
# 34
70
recur( 4, skip_right )
71
autoinsert()
72
73
# Central
74
recur( 10, skip_right )
75
autoinsert()
76
77
# London
78
skip_right()
79
autoinsert()
80
81
# Hatchery
82
skip_right()
83
autoinsert()
84
85
# and Conditioning
86
recur( 2, select_word_right )
87
delete()
88
89
# Centre
90
skip_right()
91
autoinsert()
92
93
set_typing_speed( 220 )
94
95
typer( " Let's interpolate those four definitions instead!" )
96
wait( 4 )
97
recur( 13, type, Key.BACKSPACE, Key.CTRL )
98
recur( 9, backspace )
99
100
set_typing_speed( 60 )
101
102
typer( "name$" )
103
wait( 2 )
104
105
# Collapse all definitions
106
tab()
107
recur( 8, typer, Key.LEFT )
108
109
# Expand to city
110
recur( 4, typer, Key.RIGHT )
111
112
# Jump to name
113
recur( 2, down )
114
recur( 2, typer, Key.RIGHT )
115
116
# Open the text field to show the full value
117
typer( Key.F2 )
118
119
# Traverse the text field
120
home()
121
recur( 16, type, Key.RIGHT, Key.CTRL )
122
esc()
123
124
restore_typing_speed()
125
126
tab()
127
type( Key.HOME, Key.CTRL )
128
edit_find( "Director" )
129
autoinsert()
130
131
edit_find_next()
132
autoinsert()
133
134
edit_find_next()
135
typer( Key.RIGHT )
136
recur( 2, delete )
137
autoinsert()
138
typer( "'s" )
139
140
edit_find( "Hatcheries" )
141
autoinsert()
142
143
# and Conditioning
144
recur( 2, select_word_right )
145
delete()
146
147
edit_find( "Central" )
148
autoinsert()
149
150
skip_right()
151
autoinsert()
152
153
typer( " How about a different city?" )
154
wait( 2 )
155
recur( 5, type, Key.BACKSPACE, Key.CTRL )
156
wait( 1 )
157
tab()
158
typer( Key.F2 )
159
typer( "Seattle" )
160
enter()
161
tab()
162
wait( 2 )
163
164
type( Key.END, Key.CTRL )
165
paragraph()
166
typer( "No?" )
167
paragraph()
168
169
tab()
170
typer( Key.F2 )
171
typer( "London" )
172
enter()
173
174
tab()
175
typer( "Organizing definitions is left to your ")
176
typer( "doub" )
177
autoinsert()
178
typer( " Good imagination." )
179
tab()
180
181
# Jump to "char" definition
182
home()
183
184
# Jump to "char.a.primary.name" definition
185
recur( 6, typer, Key.RIGHT )
186
187
# Jump to "char.a.primary.caste" definition
188
down()
189
typer( Key.RIGHT )
190
191
# Jump to root-level "caste" definition
192
recur( 7, down )
193
194
# Reselect "super"
195
recur( 5, typer, Key.RIGHT )
196
wait( 2 )
197
198
# Close the window, no save
199
type( "w", Key.CTRL )
200
wait( 0.5 )
201
tab()
202
wait( 0.5 )
203
typer( Key.SPACE )
204
wait( 1 )
1205
A testing/demo.sikuli/s03.py
1
# -----------------------------------------------------------------------------
2
# Copyright 2020 White Magic Software, Ltd.
3
#
4
# Permission is hereby granted, free of charge, to any person obtaining a
5
# copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
#
12
# The above copyright notice and this permission notice shall be included
13
# in all copies or substantial portions of the Software.
14
#
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# This script introduces images and R.
26
# -----------------------------------------------------------------------------
27
from sikuli import *
28
import sys
29
30
if not "../editor.sikuli" in sys.path:
31
    sys.path.append( "../editor.sikuli" )
32
33
from editor import *
34
35
set_typing_speed( 80 )
36
37
file_open()
38
type( Key.UP, Key.ALT )
39
wait( 0.5 )
40
home()
41
wait( 0.25 )
42
enter()
43
wait( 1 )
44
end()
45
wait( 0.25 )
46
enter()
47
wait( 1 )
48
49
set_typing_speed( 200 )
50
51
paragraph()
52
heading( "What text formats are supported?" )
53
54
typer( "Scr" )
55
autoinsert()
56
typer( " supports Markdown, R Markdown, XML, and R XML; however, the software " )
57
typer( "architecture enables it to easily add new formats. The following figure " )
58
typer( "depicts the overall architecture: " )
59
paragraph()
60
typer( "![](../writing/images/architecture)" )
61
paragraph()
62
typer( "Many text editors can only open one type of plain text markup format that is " )
63
typer( "only output as HTML. With a little more effort, text editors could support " )
64
typer( "multiple input and output formats. Scr" )
65
autoinsert()
66
typer( " does so and goes one step further by introducing interpolated definitions." )
67
paragraph()
68
typer( "Kitten interlude:" )
69
paragraph()
70
typer( "![](https://i.imgur.com/jboueQH.jpg)" )
71
paragraph()
72
73
heading( "What is R?" )
74
typer( "R is a programming language. You might have noticed a few potential grammar " )
75
typer( "problems with direct substitution. Rules for possessive forms, numbers, and " )
76
typer( "other quirks can be tackled using R." )
77
78
# -----------------------------------------------------------------------------
79
# Demo bootstrapping
80
# -----------------------------------------------------------------------------
81
82
# Jump to the end
83
type( Key.END, Key.CTRL )
84
paragraph()
85
86
set_typing_speed( 300 )
87
heading( "How is R used?" )
88
typer( "R must be instructed where to find script files and what ones to load. The " )
89
typer( "*working directory* is the full path to those R files; the *startup script* " )
90
typer( "defines what R files to load. Both preferences must be changed before prose " )
91
typer( "may be processed. Preferences can be opened using either the " )
92
typeln( "**Edit > Preferences** menu or by pressing `Ctrl+Alt+s`. Here goes!" ) 
93
wait( 2 )
94
95
# -----------------------------------------------------------------------------
96
# Select the R script directory
97
# -----------------------------------------------------------------------------
98
99
# Change the working directory by clicking "Browse"
100
type( "s", Key.CTRL + Key.ALT )
101
wait("1594592396134.png", 1)
102
click("1594592396134.png")
103
wait( 0.5 )
104
105
# Navigate to and select the "r" directory
106
type( Key.UP, Key.ALT )
107
wait( 0.5 )
108
end()
109
wait( 0.5 )
110
enter()
111
wait( 0.5 )
112
end()
113
wait( 0.5 )
114
type( Key.UP )
115
wait( 0.5 )
116
recur( 2, tab )
117
wait( 0.5 )
118
enter()
119
wait( 1 )
120
121
# -----------------------------------------------------------------------------
122
# Set the R startup script instructions
123
# -----------------------------------------------------------------------------
124
125
wait("1594593710440.png", 5)
126
click("1594593710440.png")
127
128
set_typing_speed( 440 )
129
130
typeln( "setwd( '$application.r.working.directory$' )" )
131
typeln( "assign( 'anchor', '$date.anchor$', envir = .GlobalEnv )" )
132
typeln( "source( 'pluralize.R' )" )
133
typeln( "source( 'possessive.R' )" )
134
typeln( "source( 'conversion.R' )" )
135
typeln( "source( 'csv.R' )" )
136
137
wait("1594593794335.png", 3)
138
click("1594593794335.png")
139
140
paragraph()
141
set_typing_speed( 220 )
142
143
typer( "R is now configured. The startup script and other R " )
144
typer( "files can be found in the " )
145
typer( "[repository](https://github.com/DaveJarvis/scrivenvar/tree/master/R). " )
146
wait( 1.5 )
147
148
# Wait for the browser to appear.
149
wait("1594594984108.png", 5)
150
click("1594594984108.png")
151
152
wait( 5 )
153
click("1594689573764.png")
154
155
paragraph()
156
typer( "Next, we'll see how definitions and R can work together." )
157
wait( 2 )
1158
A testing/demo.sikuli/s04.py
1
# -----------------------------------------------------------------------------
2
# Copyright 2020 White Magic Software, Ltd.
3
#
4
# Permission is hereby granted, free of charge, to any person obtaining a
5
# copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
#
12
# The above copyright notice and this permission notice shall be included
13
# in all copies or substantial portions of the Software.
14
#
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# This script demonstrates using R.
26
# -----------------------------------------------------------------------------
27
from sikuli import *
28
import sys
29
30
if not "../editor.sikuli" in sys.path:
31
    sys.path.append( "../editor.sikuli" )
32
33
from editor import *
34
35
set_typing_speed( 220 )
36
37
# -----------------------------------------------------------------------------
38
# Open the demo text.
39
# -----------------------------------------------------------------------------
40
file_open()
41
type( Key.UP, Key.ALT )
42
wait( 0.5 )
43
end()
44
wait( 0.5 )
45
enter()
46
wait( 0.5 )
47
down()
48
wait( 0.5 )
49
enter()
50
wait( 2 )
51
52
# -----------------------------------------------------------------------------
53
# Re-open the corresponding definition file.
54
# -----------------------------------------------------------------------------
55
file_open()
56
recur( 2, down )
57
wait( 1 )
58
enter()
59
wait( 2 )
60
61
# -----------------------------------------------------------------------------
62
# Brief introduction to R
63
# -----------------------------------------------------------------------------
64
type( Key.HOME, Key.CTRL )
65
end()
66
paragraph()
67
68
typer( "## Using R" )
69
paragraph()
70
typer( "Insert R code into documents as follows: `r# 1+1`. " )
71
wait( 1.5 )
72
typer( "Notice how the right-hand pane shows the computed result. I'll wait. " )
73
wait( 3 )
74
typer( "The syntax is: open backtick, r#, *computable expression*, close " )
75
typer( "backtick. That expression can be any valid R statement. The status bar " ) 
76
typer( "will provide clues when an R expression cannot be computed by the " )
77
typer( "editor. `r# glitch`" )
78
wait( 4 )
79
recur( 11, backspace )
80
typer( "Let's swap 34 storeys for a definition value and replace the number " )
81
typer( "according to the Chicago Manual of Style (cms) rules." )
82
83
# -----------------------------------------------------------------------------
84
# Demo pluralization
85
# -----------------------------------------------------------------------------
86
set_typing_speed( 80 )
87
88
edit_find( "34" )
89
autoinsert()
90
91
edit_find( "x(" )
92
typer( "cms(" )
93
94
edit_find( "storeys." )
95
typer( "34." )
96
autoinsert()
97
edit_find( "x(" )
98
typer( "pl( 'storey'," )
99
wait( 4 )
100
101
tab()
102
rename_definition( "1" )
103
wait( 4 )
104
rename_definition( "142" )
105
wait( 4 )
106
rename_definition( "34" )
107
wait( 4 )
108
tab()
109
110
# -----------------------------------------------------------------------------
111
# Demo possessives (it, her, his, Director)
112
# -----------------------------------------------------------------------------
113
type( Key.HOME, Key.CTRL )
114
edit_find( "Director" )
115
autoinsert()
116
edit_find_next()
117
autoinsert()
118
edit_find_next()
119
autoinsert()
120
type( Key.RIGHT )
121
recur( 2, delete )
122
autoinsert()
123
home()
124
edit_find( "x(" )
125
typer( "pos(" )
126
wait( 2 )
127
128
tab()
129
rename_definition( "Headmistress" )
130
wait( 4 )
131
rename_definition( "Director" )
132
wait( 2 )
133
tab()
134
135
type( Key.END, Key.CTRL )
136
paragraph()
137
typer( "Other possessives: `r# pos( 'it' )`, `r# pos( 'her' )`, `r# pos( 'his' )`, " )
138
typer( "and `r# pos( 'my' )`." )
139
140
# -----------------------------------------------------------------------------
141
# Demo conversion, including ordinal numbers
142
# -----------------------------------------------------------------------------
143
set_typing_speed( 160 )
144
145
paragraph()
146
heading( "Date Conversions" )
147
typer( "Mixing R code with definitions invites endless possibilities. " )
148
typer( "Imagine someone racing to the " ) 
149
typer( "`r#cms( v$location$breeder$storeys, ordinal=TRUE )` floor, whereby that " )
150
typer( "ordinal stems from the Hatchery's storeys' definition. Or how about " )
151
typer( "a complex timeline where dates are expressed in days relative to one " )
152
typer( "point in time. Let's call this the *anchor date* and define it." )
153
154
tab()
155
home()
156
typer( Key.SPACE )
157
insert()
158
rename_definition( "date" )
159
insert()
160
rename_definition( "anchor" )
161
insert()
162
rename_definition( "1969-10-29" )
163
tab()
164
165
paragraph()
166
typer( "Next, set an R variable named `now` to the current date" )
167
typer( "`r# now = format( Sys.time(), '%Y-%m-%d' ); ''`--- the empty single quotes " )
168
typer( "prevent the date from appearing in the output document. " )
169
170
paragraph()
171
typer( "We set the anchor date to `r# annal()`, which was " )
172
typer( "`r# elapsed( 0, days( v$date$anchor, format( Sys.time(), '%Y-%m-%d' ) ) )` " )
173
typer( "ago from `r# format( as.Date( now ), '%B %d, %Y' )`. " )
174
175
# -----------------------------------------------------------------------------
176
# Demo CSV file import
177
# -----------------------------------------------------------------------------
178
paragraph()
179
heading( "Tabular Data" )
180
typer( "The following table shows average Canadian lifespans by birth " )
181
typer( "year and sex:" )
182
paragraph()
183
typer( "`r# csv2md( '../data.csv', total=FALSE )`" )
184
paragraph()
185
typer( "Calling `csv2md` converts the comma-separated values in the spreadsheet " )
186
typer( "to a table formatted using Markdown. The HTML preview pane changes the " )
187
typer( "appearance of the resulting table. Using `../data.csv` instructs R to " )
188
typer( "open `data.csv` from one directory above the *working directory*." )
189
190
# -----------------------------------------------------------------------------
191
# Demo HTML export
192
# -----------------------------------------------------------------------------
193
paragraph()
194
heading( "Export" )
195
typer( "Retrieve the output HTML by using the **Edit > Copy HTML** menu. Let's " )
196
typer( "peek at the output." )
197
wait( 2 )
198
199
type( "e", Key.ALT )
200
wait( 0.5 )
201
down()
202
wait( 0.25 )
203
enter()
204
wait( 0.25 )
205
206
type( "a", Key.CTRL )
207
wait( 0.25 )
208
type( "v", Key.CTRL )
209
wait( 5 )
210
211
set_typing_speed( 40 )
212
213
# Jump to page bottom (should already be there, but just in case)
214
type( Key.END, Key.CTRL )
215
recur( 3, typer, Key.PAGE_UP )
216
type( Key.HOME, Key.CTRL )
217
wait( 3 )
218
219
set_typing_speed( 220 )
220
type( "z", Key.CTRL )
221
type( Key.END, Key.CTRL )
222
223
paragraph()
224
typer( "That's all for now, thank you!" )
225
wait( 5 )
226
227
# Delete the anchor date.
228
tab()
229
end()
230
recur( 2, type, Key.UP )
231
delete()
232
tab()
1233
A testing/demo.sikuli/test.py
1
from sikuli import *
2
3
import sys
4
import os
5
6
def set_class_path():
7
    path_script = getBundlePath()
8
    dir_script = os.path.dirname( path_script )
9
    path_lib = dir_script + "/keycast/build/libs/keycast.jar"
10
    
11
    sys.path.append( path_lib )
12
13
def launch():
14
    from com.whitemagicsoftware.keycast import KeyCast
15
    kc = KeyCast()
16
    kc.show()
17
18
def main():
19
    set_class_path()
20
    launch()
21
   
22
23
if __name__ == "__main__":
24
    main()
125
A testing/editor.sikuli/1594187923258.png
Binary file
A testing/editor.sikuli/editor.py
1
# -----------------------------------------------------------------------------
2
# Copyright 2020 White Magic Software, Ltd.
3
#
4
# Permission is hereby granted, free of charge, to any person obtaining a
5
# copy of this software and associated documentation files (the
6
# "Software"), to deal in the Software without restriction, including
7
# without limitation the rights to use, copy, modify, merge, publish,
8
# distribute, sublicense, and/or sell copies of the Software, and to
9
# permit persons to whom the Software is furnished to do so, subject to
10
# the following conditions:
11
#
12
# The above copyright notice and this permission notice shall be included
13
# in all copies or substantial portions of the Software.
14
#
15
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
# -----------------------------------------------------------------------------
23
24
# -----------------------------------------------------------------------------
25
# This script contains helper functions used by the other scripts.
26
#
27
# Do not run this script.
28
# -----------------------------------------------------------------------------
29
30
from sikuli import *
31
import sys
32
import os
33
from os.path import expanduser
34
35
dir_home = expanduser( "~" )
36
app_home = dir_home + "/bin"
37
app_bin = app_home + "/scrivenvar.jar"
38
39
wpm_typing_speed = 80
40
41
# -----------------------------------------------------------------------------
42
# Try to delete the file pointed to by the path variable. If there is no such
43
# file, this will silently ignore the exception.
44
# -----------------------------------------------------------------------------
45
def rm( path ):
46
    try:
47
        os.remove( path )
48
    except:
49
        print "Ignored"
50
51
# -----------------------------------------------------------------------------
52
# Changes the current typing speed, where speed is given in words per minute.
53
# -----------------------------------------------------------------------------
54
def set_typing_speed( wpm ):
55
    global wpm_typing_speed
56
    wpm_typing_speed = wpm
57
58
# -----------------------------------------------------------------------------
59
# Creates a delay between keystrokes to emulate typing at a particular speed.
60
# -----------------------------------------------------------------------------
61
def random_wait():
62
    from time import sleep
63
    from random import uniform
64
    cpm = wpm_typing_speed * 5.1
65
    cps = cpm / 60.0
66
    ms_per_char = 1000.0 / cps
67
    ms_per_stroke = ms_per_char / 2.0
68
69
    noise = uniform( 0, ms_per_stroke / 2 )
70
    duration = (ms_per_stroke + noise ) / 1000
71
    
72
    sleep( duration )
73
74
# -----------------------------------------------------------------------------
75
# Repeats a function call, f, n times.
76
# -----------------------------------------------------------------------------
77
def recur( n, f, *args ):
78
    for i in range( n ):
79
        f( *args )
80
        random_wait()
81
82
# -----------------------------------------------------------------------------
83
# Emulate a typist who is typing in the given text.
84
# -----------------------------------------------------------------------------
85
def typer( text ):
86
    for c in text:
87
        type( c )
88
        random_wait()
89
90
# -----------------------------------------------------------------------------
91
# Type a line of text followed by typing the ENTER key.
92
# -----------------------------------------------------------------------------
93
def typeln( text ):
94
    typer( text )
95
    enter()
96
97
# -----------------------------------------------------------------------------
98
# Injects a definition.
99
# -----------------------------------------------------------------------------
100
def autoinsert():
101
    type( Key.SPACE, Key.CTRL )
102
    random_wait()
103
104
# -----------------------------------------------------------------------------
105
# Types the TAB key.
106
# -----------------------------------------------------------------------------
107
def tab():
108
    typer( Key.TAB )
109
110
# -----------------------------------------------------------------------------
111
# Types the ENTER key.
112
# -----------------------------------------------------------------------------
113
def enter():
114
    typer( Key.ENTER )
115
116
# -----------------------------------------------------------------------------
117
# Types the ESC key.
118
# -----------------------------------------------------------------------------
119
def esc():
120
    typer( Key.ESC )
121
122
# -----------------------------------------------------------------------------
123
# Types the DOWN arrow key.
124
# -----------------------------------------------------------------------------
125
def down():
126
    typer( Key.DOWN )
127
128
# -----------------------------------------------------------------------------
129
# Types the HOME key.
130
# -----------------------------------------------------------------------------
131
def home():
132
    typer( Key.HOME )
133
134
# -----------------------------------------------------------------------------
135
# Types the END key.
136
# -----------------------------------------------------------------------------
137
def end():
138
    typer( Key.END )
139
140
# -----------------------------------------------------------------------------
141
# Types the BACKSPACE key.
142
# -----------------------------------------------------------------------------
143
def backspace():
144
    typer( Key.BACKSPACE )
145
146
# -----------------------------------------------------------------------------
147
# Types the INSERT key, often to insert a new definition.
148
# -----------------------------------------------------------------------------
149
def insert():
150
    typer( Key.INSERT )
151
152
# -----------------------------------------------------------------------------
153
# Types the DELETE key, often to remove selected text.
154
# -----------------------------------------------------------------------------
155
def delete():
156
    typer( Key.DELETE )
157
158
# -----------------------------------------------------------------------------
159
# Moves the cursor one word to the right.
160
# -----------------------------------------------------------------------------
161
def skip_right():
162
    type( Key.RIGHT, Key.CTRL )
163
    random_wait()
164
165
def select_word_right():
166
    type( Key.RIGHT, Key.CTRL + Key.SHIFT )
167
    random_wait()
168
169
# -----------------------------------------------------------------------------
170
# Types ENTER twice to begin a new paragraph.
171
# -----------------------------------------------------------------------------
172
def paragraph():
173
    recur( 2, enter )
174
    wait( 1.5 )
175
176
# -----------------------------------------------------------------------------
177
# Writes a heading to the document using the given text value as the content.
178
# -----------------------------------------------------------------------------
179
def heading( text ):
180
    typer( "# " + text )
181
    paragraph()
182
183
# -----------------------------------------------------------------------------
184
# Clicks the "Create" button to add a new definition.
185
# -----------------------------------------------------------------------------
186
def click_create():
187
    click("1594187923258.png")
188
    wait( .5 )
189
190
# -----------------------------------------------------------------------------
191
# Changes the text for the actively selected definition.
192
# -----------------------------------------------------------------------------
193
def rename_definition( text ):
194
    typer( Key.F2 )
195
    typer( text )
196
    enter()
197
    wait( .5 )
198
199
# -----------------------------------------------------------------------------
200
# Searches for the given text within the document.
201
# -----------------------------------------------------------------------------
202
def edit_find( text ):
203
    type( "f", Key.CTRL )
204
    typer( text )
205
    enter()
206
    wait( .25 )
207
    esc()
208
    wait( .5 )
209
210
# -----------------------------------------------------------------------------
211
# Searches for the next occurrence of the previous search term.
212
# -----------------------------------------------------------------------------
213
def edit_find_next():
214
    typer( Key.F3 )
215
    wait( .5 )
216
217
# -----------------------------------------------------------------------------
218
# Opens a dialog for selecting a file.
219
# -----------------------------------------------------------------------------
220
def file_open():
221
    type( "o", Key.CTRL )
222
    wait( 1 )
1223
A video/.gitignore
1
*.avi
2
*.wav
3
*.png
4
*.mp4
5
*.mp3
6
17
A video/title.blend
Binary file
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   inkscape:version="1.0 (4035a4fb49, 2020-05-01)"
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       style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:50.8px;line-height:1.25;font-family:'Alex Brush';-inkscape-font-specification:'Alex Brush, Normal';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-variant-east-asian:normal;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.264583"
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1117