Java Code Examples for org.fxmisc.richtext.CodeArea#setOnKeyPressed()

The following examples show how to use org.fxmisc.richtext.CodeArea#setOnKeyPressed() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GroovyEditorComponent.java    From jmonkeybuilder with Apache License 2.0 6 votes vote down vote up 
/**
 * Instantiates a new Groovy editor component.
 *
 * @param editable the editable
 */
public GroovyEditorComponent(final boolean editable) {

    codeArea = new CodeArea();
    codeArea.richChanges()
            .filter(ch -> !ch.getInserted().equals(ch.getRemoved()))
            .subscribe(change -> codeArea.setStyleSpans(0, getStyleSpans(codeArea.getText())));
    codeArea.prefHeightProperty().bind(heightProperty());
    codeArea.prefWidthProperty().bind(widthProperty());
    codeArea.setEditable(editable);
    codeArea.setOnKeyReleased(UiUtils::consumeIfIsNotHotKey);
    codeArea.setOnKeyPressed(UiUtils::consumeIfIsNotHotKey);


    FXUtils.addToPane(codeArea, this);
    FXUtils.addClassesTo(this, CssClasses.TEXT_EDITOR_TEXT_AREA, CssClasses.GROOVY_EDITOR_COMPONENT);
}
Example 2
Source File: ContentEditor.java    From milkman with MIT License 4 votes vote down vote up 
private void setupCodeArea() {
		codeArea = new CodeArea();
//		codeArea.setWrapText(true);
		setupParagraphGraphics();
		EventStream<Object> highLightTrigger = EventStreams.merge(codeArea.multiPlainChanges(),
				EventStreams.changesOf(highlighters.getSelectionModel().selectedItemProperty()),
				EventStreams.eventsOf(format, MouseEvent.MOUSE_CLICKED));


		//behavior of TAB: 2 spaces, allow outdention via SHIFT-TAB, if cursor is at beginning
		Nodes.addInputMap(codeArea, InputMap.consume(
				EventPattern.keyPressed(KeyCode.TAB),
				e -> codeArea.replaceSelection("  ")
		));

		Nodes.addInputMap(codeArea, InputMap.consume(
				EventPattern.keyPressed(KeyCode.TAB, SHIFT_DOWN),
				e -> {
					var paragraph = codeArea.getParagraph(codeArea.getCurrentParagraph());
					var indentation = StringUtils.countStartSpaces(paragraph.getText());

					//is the cursor in the white spaces
					if (codeArea.getCaretColumn() <= indentation){
						var charsToRemove = Math.min(indentation, 2);

						codeArea.replaceText(new IndexRange(codeArea.getAbsolutePosition(codeArea.getCurrentParagraph(), 0),
								codeArea.getAbsolutePosition(codeArea.getCurrentParagraph(), (int) charsToRemove)),
								"");
					}
				}
		));

		// sync highlighting:
//		Subscription cleanupWhenNoLongerNeedIt = highLightTrigger
//				 .successionEnds(Duration.ofMillis(500))
//				 .subscribe(ignore -> {
//					System.out.println("Triggered highlight via end-of-succession");
//					 highlightCode();
//				 });

		// async highlighting:
		Subscription cleanupWhenNoLongerNeedIt = highLightTrigger.successionEnds(Duration.ofMillis(500))
				.supplyTask(this::highlightCodeAsync).awaitLatest(codeArea.multiPlainChanges()).filterMap(t -> {
					if (t.isSuccess()) {
						return Optional.of(t.get());
					} else {
						t.getFailure().printStackTrace();
						return Optional.empty();
					}
				}).subscribe(this::applyHighlighting);

		KeyCombination.Modifier controlKey = KeyCombination.CONTROL_DOWN;
		if (SystemUtils.IS_OS_MAC){
			controlKey = KeyCombination.META_DOWN;
		}
		val keyCombination = PlatformUtil.getControlKeyCombination(KeyCode.F);
		codeArea.setOnKeyPressed(e -> {
			if (keyCombination.match(e)) {
				focusSearch();
			}
		});
	}