Dave Jarvis' Repositories

Author	djarvis <email>
Date	2016-12-07 23:57:18 GMT-0800
Commit	6d9e3c96e30f4b026796f21b6636fc7455b8765d
Parent	0d2dceb
Delta	99 lines added, 10 lines removed, 89-line increase

src/main/java/com/scrivenvar/processors/MarkdownCaretReplacementProcessor.java

		+/*
		+ * Copyright 2016 White Magic Software, Ltd.
		+ *
		+ * All rights reserved.
		+ *
		+ * Redistribution and use in source and binary forms, with or without
		+ * modification, are permitted provided that the following conditions are met:
		+ *
		+ * o Redistributions of source code must retain the above copyright
		+ * notice, this list of conditions and the following disclaimer.
		+ *
		+ * o 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.
		+ *
		+ * 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.
		+ */
		+package com.scrivenvar.processors;
		+
		+import static com.scrivenvar.Constants.CARET_POSITION;
		+import static com.scrivenvar.Constants.MD_CARET_POSITION;
		+
		+/**
		+ * Responsible for replacing the caret position marker with an HTML element
		+ * suitable to use as a reference for scrolling a view port.
		+ *
		+ * @author White Magic Software, Ltd.
		+ */
		+public class MarkdownCaretReplacementProcessor extends AbstractProcessor<String> {
		+ private static final int INDEX_NOT_FOUND = -1;
		+
		+ private static final String HTML_ELEMENT
		+ = "<span id='" + CARET_POSITION + "'></span>";
		+
		+ public MarkdownCaretReplacementProcessor( final Processor<String> processor ) {
		+ super( processor );
		+ }
		+
		+ /**
		+ * Replaces each MD_CARET_POSITION with an HTML element that has an id
		+ * attribute of CARET_POSITION. This should only replace one item.
		+ *
		+ * @param t The text that contains
		+ *
		+ * @return
		+ */
		+ @Override
		+ public String processLink( final String t ) {
		+ return replace( t, MD_CARET_POSITION, HTML_ELEMENT );
		+ }
		+
		+ /**
		+ * Replaces the needle with thread in the given haystack. Based on Apache
		+ * Commons 3 StringUtils.replace method. Should be faster than
		+ * String.replace, which performs a little regex under the hood.
		+ *
		+ * @param haystack Search this string for the needle, must not be null.
		+ * @param needle The text to find in the haystack.
		+ * @param thread Replace the needle with this text, if the needle is found.
		+ *
		+ * @return The haystack with the first instance of needle replaced with
		+ * thread.
		+ */
		+ private static String replace(
		+ final String haystack, final String needle, final String thread ) {
		+
		+ final int end = haystack.indexOf( needle, 0 );
		+
		+ if( end == INDEX_NOT_FOUND ) {
		+ return haystack;
		+ }
		+
		+ int start = 0;
		+ final int needleLength = needle.length();
		+
		+ int increase = thread.length() - needleLength;
		+ increase = (increase < 0 ? 0 : increase);
		+ final StringBuilder buffer = new StringBuilder( haystack.length() + increase );
		+
		+ if( end != INDEX_NOT_FOUND ) {
		+ buffer.append( haystack.substring( start, end ) ).append( thread );
		+ start = end + needleLength;
		+ }
		+
		+ return buffer.append( haystack.substring( start ) ).toString();
		+ }
		+}


		import java.util.Map;
		-import org.apache.commons.lang.StringUtils;
		+import static org.apache.commons.lang.StringUtils.replaceEach;

		/**

		@Override
		public String replace( final String text, final Map<String, String> map ) {
		- return StringUtils.replaceEach( text, keys( map ), values( map ) );
		+ return replaceEach( text, keys( map ), values( map ) );
		}
		}

		import static org.fxmisc.wellbehaved.event.InputMap.consume;
		import static org.fxmisc.wellbehaved.event.InputMap.sequence;
		-import static com.scrivenvar.definition.Lists.getFirst;
		-import static com.scrivenvar.definition.Lists.getLast;
		-import static java.lang.Character.isSpaceChar;
		-import static java.lang.Character.isWhitespace;
		-import static java.lang.Math.min;
		-import static org.fxmisc.wellbehaved.event.EventPattern.keyPressed;
		-import static org.fxmisc.wellbehaved.event.EventPattern.keyTyped;
		-import static org.fxmisc.wellbehaved.event.InputMap.consume;

		/**

Removed redundant license information. Added injectable caret position marker to assist scrolling the preview pane. Removed inaccurate scrolling by pixel calculations.