BouncingIcon.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package dockfx;

import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseEvent;
import javafx.util.Duration;

/**
 * 
 * @author paul
 */
public class BouncingIcon extends ImageView {

	Timeline bouncer = new Timeline();
	boolean mouseIn = false;

	public BouncingIcon(Image image) {
		super(image);
		setOnMouseEntered(new EventHandler<MouseEvent>() {

			@Override
			public void handle(MouseEvent arg0) {
				mouseIn = true;
				bouncer.play();
			}
		});
		setOnMouseExited(new EventHandler<MouseEvent>() {

			@Override
			public void handle(MouseEvent arg0) {
				mouseIn = false;
			}
		});

		// set keyframes for bouncer
		bouncer.getKeyFrames().addAll(makeKeyFrame(0, 0.0, 1.2, 1.0),
				makeKeyFrame(100, 0.0, 1.0, 1.2),
				makeKeyFrame(300, -20.0, 1.0, 1.0),
				makeKeyFrame(500, 0.0, 1.0, 1.2),
				makeKeyFrame(600, 0.0, 1.2, 1.0));
		// start play the animation
		// bouncer.setCycleCount(Animation.INDEFINITE);
		bouncer.setCycleCount(1);
		// bouncer.play();
		bouncer.setOnFinished(new EventHandler<ActionEvent>() {

			@Override
			public void handle(ActionEvent arg0) {
				if (mouseIn) {
					bouncer.play();
				} else {
					setScaleX(1.0);
				}
			}

		});
	}

	private KeyFrame makeKeyFrame(int d, double y, double sx, double sy) {
		return new KeyFrame(new Duration(d), new KeyValue(translateYProperty(),
				y), new KeyValue(scaleXProperty(), sx), new KeyValue(
				scaleYProperty(), sy));
	}
}