Java JFXTextArea类代码示例

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
public void show() {
	textArea = new JFXTextArea(bodyText);
	
	JFXDialogLayout content = new JFXDialogLayout();
	content.setHeading(new Text(headingText));
	content.setBody(textArea);
	content.setPrefSize(dialogWidth, dialogHeight);
	StackPane stackPane = new StackPane();
	stackPane.autosize();
	JFXDialog dialog = new JFXDialog(stackPane, content, JFXDialog.DialogTransition.LEFT, true);
	JFXButton button = new JFXButton("Okay");
	button.setOnAction(new EventHandler<ActionEvent>() {
		@Override
		public void handle(ActionEvent event) {
			dialog.close();
		}
	});
	button.setButtonType(com.jfoenix.controls.JFXButton.ButtonType.RAISED);
	button.setPrefHeight(32);
	button.setStyle(dialogBtnStyle);
	content.setActions(button);
	pane.getChildren().add(stackPane);
	AnchorPane.setTopAnchor(stackPane, (pane.getHeight() - content.getPrefHeight()) / 2);
	AnchorPane.setLeftAnchor(stackPane, (pane.getWidth() - content.getPrefWidth()) / 2);
	dialog.show();
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
/**
 * Add a large String to a wizard step. A TextArea will be used to represent
 * it.
 *
 * @param fieldName
 * @param defaultValue
 *            the default String the textfield will contains.
 * @param prompt
 *            the text to show on the textfield prompt String.
 * @return
 */
@SuppressWarnings("unchecked")
public WizardStepBuilder addBigString(final String fieldName, final String defaultValue, final String prompt)
{
    final JFXTextArea text = new JFXTextArea();
    text.setPromptText(prompt);
    text.setText(defaultValue);
    this.current.getData().put(fieldName, new SimpleStringProperty());
    this.current.getData().get(fieldName).bind(text.textProperty());
    text.setMaxWidth(400);

    final Label label = new Label(fieldName);
    GridPane.setHalignment(label, HPos.RIGHT);
    GridPane.setHalignment(text, HPos.LEFT);
    this.current.add(label, 0, this.current.getData().size() - 1);
    this.current.add(text, 1, this.current.getData().size() - 1);
    return this;
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
@Override
protected void handleControlPropertyChanged(String propertyReference) {
    if("LABEL_FLOAT".equals(propertyReference)){
        boolean isLabelFloat = ((JFXTextArea) getSkinnable()).isLabelFloat();
        if (isLabelFloat) {
            JFXUtilities.runInFX(this::createFloatingLabel);
        } else {
            if(promptText!=null){
                // remove parent focus listener to prevent editor class cast exception
                promptText.visibleProperty().bind(usePromptText);
            }
        }
        // update prompt text position
        if(isLabelFloat && getSkinnable().getText() != null)
            animateFloatingLabel(!getSkinnable().getText().isEmpty());
    } else if ("DISABLE_ANIMATION".equals(propertyReference)) {
        // remove error clip if animation is disabled
        errorContainer.setClip(((JFXTextArea) getSkinnable()).isDisableAnimation() ?
            null : errorContainerClip);
    } else {
        super.handleControlPropertyChanged(propertyReference);
    }
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
private void unFocus() {
    focusTimer.stop();
    scale.setX(initScale);
    focusedLine.setOpacity(0);
    if (oldPromptTextFill != null && ((JFXTextArea) getSkinnable()).isLabelFloat()) {
        animatedPromptTextFill.set(oldPromptTextFill);
        if (usePromptText()) {
            unfocusTimer.start();
        }
    }
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
public JFXTextArea getTextArea() {
	return textArea;
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
public void setTextArea(JFXTextArea textArea) {
	this.textArea = textArea;
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
public custom(JFXTextArea area) {
    this.textArea = area;
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
@Override
public void start(Stage stage) {

    VBox main = new VBox();
    main.setSpacing(50);

    TextArea javafxTextArea = new TextArea();
    javafxTextArea.setPromptText("JavaFX Text Area");
    main.getChildren().add(javafxTextArea);
    JFXTextArea jfxTextArea = new JFXTextArea();
    jfxTextArea.setPromptText("JFoenix Text Area :D");
    jfxTextArea.setLabelFloat(true);

    RequiredFieldValidator validator = new RequiredFieldValidator();
    // NOTE adding error class to text area is causing the cursor to disapper
    validator.setMessage("Please type something!");
    validator.setIcon(GlyphsBuilder.create(FontAwesomeIconView.class)
        .glyph(FontAwesomeIcon.WARNING)
        .size("1em")
        .styleClass("error")
        .build());
    jfxTextArea.getValidators().add(validator);
    jfxTextArea.focusedProperty().addListener((o, oldVal, newVal) -> {
        if (!newVal) {
            jfxTextArea.validate();
        }
    });


    main.getChildren().add(jfxTextArea);

    StackPane pane = new StackPane();
    pane.getChildren().add(main);
    StackPane.setMargin(main, new Insets(100));
    pane.setStyle("-fx-background-color:WHITE");

    final Scene scene = new Scene(pane, 800, 600);
    scene.getStylesheets()
        .add(ButtonDemo.class.getResource("/css/jfoenix-components.css").toExternalForm());
    stage.setTitle("JFX Button Demo");
    stage.setScene(scene);
    stage.show();

}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
@Override
protected void layoutChildren(final double x, final double y, final double w, final double h) {
    super.layoutChildren(x, y, w, h);

    // change control properties if and only if animations are stopped
    if (!focusTimer.isRunning() && !unfocusTimer.isRunning()) {
        if (getSkinnable().isFocused() && ((JFXTextArea) getSkinnable()).isLabelFloat()) {
            animatedPromptTextFill.set(((JFXTextArea) getSkinnable()).getFocusColor());
        }
    }

    if (invalid) {
        invalid = false;
        animatedPromptTextFill.set(promptTextFill.get());
        // set the default background of text area viewport to white
        Region viewPort = (Region) scrollPane.getChildrenUnmodifiable().get(0);
        viewPort.setBackground(new Background(new BackgroundFill(Color.TRANSPARENT,
            CornerRadii.EMPTY,
            Insets.EMPTY)));
        // reapply css of scroll pane in case set by the user
        viewPort.applyCss();
        // create floating label
        focusTimer.setCacheNodes(promptContainer);
        unfocusTimer.setCacheNodes(promptContainer);
        createFloatingLabel();
        // to position the prompt node properly
        super.layoutChildren(x, y, w, h);
        // update validation container
        final ValidatorBase activeValidator = ((JFXTextArea) getSkinnable()).getActiveValidator();
        if (activeValidator != null) {
            showError(activeValidator);
            final double errorContainerWidth = w - errorIcon.prefWidth(-1);
            errorContainer.setOpacity(1);
            errorContainer.resize(w, computeErrorHeight(errorContainerWidth));
            errorContainerClip.setWidth(w);
            errorContainerClip.setHeight(errorContainer.getHeight());
            errorClipScale.setY(1);
        }
        // focus
        if (getSkinnable().isFocused()) {
            focus();
        }
    }

    final double height = h - focusedLine.prefHeight(-1);
    focusedLine.resizeRelocate(x, height, w, focusedLine.prefHeight(-1));
    line.resizeRelocate(x, height, w, line.prefHeight(-1));
    errorContainer.relocate(x, y);
    // resize error container if animation is disabled
    if (((JFXTextArea) getSkinnable()).isDisableAnimation()) {
        errorContainer.resize(w, computeErrorHeight(computeErrorWidth(w)));
    }else{
        errorContainer.resize(w, errorContainer.getHeight());
        errorContainerClip.setWidth(w);
    }
    errorContainer.setTranslateY(h + focusedLine.getHeight() + 4);
    scale.setPivotX(w / 2);
}
 

import com.jfoenix.controls.JFXTextArea; //导入依赖的package包/类
@Override
protected void layoutChildren(final double x, final double y, final double w, final double h) {
    super.layoutChildren(x, y, w, h);

    // change control properties if and only if animations are stopped
    if (!focusTimer.isRunning() && !unfocusTimer.isRunning()) {
        if (getSkinnable().isFocused() && ((JFXTextArea) getSkinnable()).isLabelFloat()) {
            animatedPromptTextFill.set(((JFXTextArea) getSkinnable()).getFocusColor());
        }
    }

    if (invalid) {
        invalid = false;
        animatedPromptTextFill.set(promptTextFill.get());
        // set the default background of text area viewport to white
        Region viewPort = (Region) scrollPane.getChildrenUnmodifiable().get(0);
        viewPort.setBackground(new Background(new BackgroundFill(Color.TRANSPARENT,
            CornerRadii.EMPTY,
            Insets.EMPTY)));
        // reapply css of scroll pane in case set by the user
        viewPort.applyCss();
        // create floating label
        focusTimer.setCacheNodes(promptContainer);
        unfocusTimer.setCacheNodes(promptContainer);
        createFloatingLabel();
        // to position the prompt node properly
        super.layoutChildren(x, y, w, h);
        // update validation container
        final ValidatorBase activeValidator = ((JFXTextArea) getSkinnable()).getActiveValidator();
        if (activeValidator != null) {
            showError(activeValidator);
            final double errorContainerWidth = w - errorIcon.prefWidth(-1);
            errorContainer.setOpacity(1);
            errorContainer.resize(w, computeErrorHeight(errorContainerWidth));
            errorContainerClip.setWidth(w);
            errorContainerClip.setHeight(errorContainer.getHeight());
            errorClipScale.setY(1);
        }
        // focus
        if (getSkinnable().isFocused()) {
            focus();
        }
    }

    final double height = h - focusedLine.prefHeight(-1);
    focusedLine.resizeRelocate(x, height, w, focusedLine.prefHeight(-1));
    line.resizeRelocate(x, height, w, line.prefHeight(-1));
    errorContainer.relocate(x, y);
    // resize error container if animation is disabled
    if (((JFXTextArea) getSkinnable()).isDisableAnimation()) {
        errorContainer.resize(w, computeErrorHeight(computeErrorWidth(w)));
    }
    errorContainer.setTranslateY(h + focusedLine.getHeight() + 4);
    scale.setPivotX(w / 2);
}