/*
 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 */

package helloworld;

import javafx.animation.Transition;
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.*;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
import javafx.util.Duration;

/**
 * @author kcr
 */
public class HelloRectangle extends Application {

    @Override public void start(Stage stage) {
        stage.setTitle("Hello Rectangle");

        Group root = new Group();
        Scene scene = new Scene(root, 600, 450);
        scene.setFill(Color.LIGHTGREEN);

        final Rectangle rect = new Rectangle();
        rect.setX(25);
        rect.setY(40);
        rect.setWidth(500);
        rect.setHeight(200);
        rect.setOnMousePressed(new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent e) {
                System.out.println("Mouse Pressed:" + e);
            }
        });
        
        Transition t = new Transition() {
            {
                setCycleDuration(Duration.seconds(10));
            }

            @Override
            protected void interpolate(double d) {
                LinearGradient lg = LinearGradientBuilder.create().
                        startX(0).startY(0).
                        endX(1).endY(1).proportional(true).
                        stops(
                        StopBuilder.create().offset(0).color(new Color(0.5 + 0.5*d, 0, 0, 1)).build(),
                        StopBuilder.create().offset(0.2 + 0.3*d).color(new Color(0, 0.5 + 0.5*d, 0, 1)).build(),
                        StopBuilder.create().offset(1).color(new Color(0, 0, 0.5 + 0.5*d, 1)).build()
                        )
                        .build();
                rect.setFill(lg);
//                rect.setFill(Color.RED);
                
            }
        };
        t.setAutoReverse(true);
        t.setCycleCount(-1);
        t.play();

        root.getChildren().add(rect);
        stage.setScene(scene);
        stage.show();
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Application.launch(args);
    }
}