Example usage for javafx.scene Group opacityProperty

Introduction

In this page you can find the example usage for javafx.scene Group opacityProperty.

Prototype

public final DoubleProperty opacityProperty() 

Source Link

Usage

From source file:com.sunkur.springjavafxcontroller.screen.ScreensContoller.java

private boolean swapScreen(final Parent root) {
    final Group rootGroup = getScreenRoot();
    final DoubleProperty opacity = rootGroup.opacityProperty();
    if (!isScreenEmpty()) {

        Timeline fade = new Timeline(new KeyFrame(Duration.ZERO, new KeyValue(opacity, 1.0)),
                new KeyFrame(new Duration(250), new EventHandler<ActionEvent>() {
                    @Override//from  w  ww  .  j ava2s.c o  m
                    public void handle(ActionEvent t) {
                        rootGroup.getChildren().remove(0);

                        rootGroup.getChildren().add(0, root);
                        Timeline fadeIn = new Timeline(new KeyFrame(Duration.ZERO, new KeyValue(opacity, 0.0)),
                                new KeyFrame(new Duration(350), new KeyValue(opacity, 1.0)));
                        fadeIn.play();
                    }
                }, new KeyValue(opacity, 0.0)));
        fade.play();
        return true;
    } else {
        opacity.set(0.0);
        rootGroup.getChildren().add(0, root);
        Timeline fadeIn = new Timeline(new KeyFrame(Duration.ZERO, new KeyValue(opacity, 0.0)),
                new KeyFrame(new Duration(350), new KeyValue(opacity, 1.0)));
        fadeIn.play();
    }

    if (!this.stage.isShowing()) {
        this.stage.show();
    }
    return true;
}

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