增加注释
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@ -9,7 +9,6 @@ import javafx.scene.input.KeyEvent;
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import org.fxmisc.richtext.CodeArea;
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import org.fxmisc.richtext.GenericStyledArea;
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import org.fxmisc.richtext.LineNumberFactory;
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import org.fxmisc.richtext.StyleClassedTextArea;
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import org.fxmisc.richtext.model.Paragraph;
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import org.fxmisc.richtext.model.StyleSpans;
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import org.fxmisc.richtext.model.StyleSpansBuilder;
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@ -56,17 +55,25 @@ public class LineNumberTextArea extends CodeArea {
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"transient", "try", "void", "volatile", "while"
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};
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// 定义用于匹配关键字、括号、分号、字符串和注释的正则表达式模式
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/**
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* 定义用于匹配关键字、括号、分号、字符串和注释的正则表达式模式
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*/
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private static final String KEYWORD_PATTERN = "\\b(" + String.join("|", KEYWORDS) + ")\\b";
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private static final String PAREN_PATTERN = "\\(|\\)";
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private static final String BRACE_PATTERN = "\\{|\\}";
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private static final String BRACKET_PATTERN = "\\[|\\]";
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private static final String SEMICOLON_PATTERN = "\\;";
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private static final String STRING_PATTERN = "\"([^\"\\\\]|\\\\.)*\"";
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private static final String COMMENT_PATTERN = "//[^\n]*" + "|" + "/\\*(.|\\R)*?\\*/" // 用于整体文本处理（文本块）
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+ "|" + "/\\*[^\\v]*" + "|" + "^\\h*\\*([^\\v]*|/)"; // 用于可见段落处理（逐行）
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private static final String COMMENT_PATTERN =
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// 用于整体文本处理（文本块）
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"//[^\n]*" + "|" + "/\\*(.|\\R)*?\\*/"
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// 用于可见段落处理（逐行）
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+ "|" + "/\\*[^\\v]*" + "|" + "^\\h*\\*([^\\v]*|/)";
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// 使用正则表达式将关键字、括号、分号、字符串和注释的模式组合成一个复合模式
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/**
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* 使用正则表达式将关键字、括号、分号、字符串和注释的模式组合成一个复合模式
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*/
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private static final Pattern PATTERN = Pattern.compile(
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"(?<KEYWORD>" + KEYWORD_PATTERN + ")"
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+ "|(?<PAREN>" + PAREN_PATTERN + ")"
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@ -95,7 +102,9 @@ public class LineNumberTextArea extends CodeArea {
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this.setParagraphGraphicFactory(LineNumberFactory.get(this));
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this.setContextMenu(new DefaultContextMenu());
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// 重新计算所有文本的语法高亮，用户停止编辑区域后的500毫秒内
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/*
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重新计算所有文本的语法高亮，用户停止编辑区域后的500毫秒内
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*/
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Subscription cleanupWhenNoLongerNeedIt = this
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.multiPlainChanges()
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.successionEnds(Duration.ofMillis(500))
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@ -169,15 +178,13 @@ public class LineNumberTextArea extends CodeArea {
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@Override
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public void accept( ListModification<? extends Paragraph<PS, SEG, S>> lm )
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{
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if ( lm.getAddedSize() > 0 ) Platform.runLater( () ->
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{
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if (lm.getAddedSize() > 0) {
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Platform.runLater(() -> {
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int paragraph = Math.min(area.firstVisibleParToAllParIndex() + lm.getFrom(), area.getParagraphs().size() - 1);
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String text = area.getText(paragraph, 0, paragraph, area.getParagraphLength(paragraph));
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if ( paragraph != prevParagraph || text.length() != prevTextLength )
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{
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if ( paragraph < area.getParagraphs().size()-1 )
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{
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if (paragraph != prevParagraph || text.length() != prevTextLength) {
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if (paragraph < area.getParagraphs().size() - 1) {
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int startPos = area.getAbsolutePosition(paragraph, 0);
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area.setStyleSpans(startPos, computeStyles.apply(text));
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}
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@ -186,26 +193,30 @@ public class LineNumberTextArea extends CodeArea {
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}
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});
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}
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}
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}
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private class DefaultContextMenu extends ContextMenu {
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private MenuItem fold, unfold, print;
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private static class DefaultContextMenu extends ContextMenu {
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private final MenuItem fold;
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private final MenuItem unfold;
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private final MenuItem print;
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public DefaultContextMenu() {
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fold = new MenuItem("折叠所选文本");
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fold.setOnAction(AE -> {
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fold.setOnAction(aE -> {
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hide();
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fold();
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});
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unfold = new MenuItem("从光标处展开");
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unfold.setOnAction(AE -> {
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unfold.setOnAction(aE -> {
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hide();
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unfold();
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});
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print = new MenuItem("打印");
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print.setOnAction(AE -> {
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print.setOnAction(aE -> {
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hide();
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print();
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});
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@ -1,27 +1,40 @@
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/* CSS样式注释 */
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/* 标记关键字 */
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.keyword {
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-fx-fill: purple;
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-fx-font-weight: bold;
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-fx-fill: purple; /* 设置文本颜色为紫色 */
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-fx-font-weight: bold; /* 设置文本加粗 */
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}
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/* 标记分号 */
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.semicolon {
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-fx-font-weight: bold;
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-fx-font-weight: bold; /* 设置文本加粗 */
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}
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/* 标记括号 */
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.paren {
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-fx-fill: firebrick;
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-fx-font-weight: bold;
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-fx-fill: firebrick; /* 设置文本颜色为火砖红 */
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-fx-font-weight: bold; /* 设置文本加粗 */
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}
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/* 标记方括号 */
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.bracket {
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-fx-fill: darkgreen;
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-fx-font-weight: bold;
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-fx-fill: darkgreen; /* 设置文本颜色为深绿色 */
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-fx-font-weight: bold; /* 设置文本加粗 */
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}
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/* 标记大括号 */
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.brace {
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-fx-fill: teal;
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-fx-font-weight: bold;
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-fx-fill: teal; /* 设置文本颜色为青色 */
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-fx-font-weight: bold; /* 设置文本加粗 */
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}
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/* 标记字符串 */
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.string {
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-fx-fill: blue;
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-fx-fill: blue; /* 设置文本颜色为蓝色 */
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}
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/* 标记注释 */
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.comment {
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-fx-fill: cadetblue;
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-fx-fill: cadetblue; /* 设置文本颜色为军校蓝 */
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}
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