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

package helloworld;

import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.shape.Ellipse;
import javafx.scene.shape.Line;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
import javafx.util.Duration;

import java.util.LinkedList;
import java.util.List;
import java.util.Random;
import javafx.application.Platform;

public class HelloCache extends Application {

    @Override public void start(final Stage stage) {
        stage.setTitle("Hellocache");
        int winWidth = 1024;
        int winHeight = 768;
        final Scene scene = new Scene(new Group(), winWidth, winHeight);
        scene.setFill(Color.LIGHTGREEN);

        final Timeline timeline = new Timeline();
        timeline.setCycleCount(Timeline.INDEFINITE);
        timeline.setAutoReverse(true);

        List<KeyValue> kvs = new LinkedList<KeyValue>();
        final int hCount = 2 * 4;
        final int vCount = hCount * 3 / 4;
        final double tileWidth = winWidth / (2 * hCount);
        final double tileHeight = winHeight / (2 * vCount);
        final Random rand = new Random();
        System.out.println("Total: " + hCount * vCount);
        for (int i = 0; i < vCount; i++) {
            for (int j = 0; j < hCount; j++) {
                Ellipse ellipse = new Ellipse(tileWidth, tileHeight);
                ellipse.setFill(Color.rgb((int)(255.0f / vCount * i),
                        (int)(255.0f * rand.nextFloat()),
                        (int)(255.0f / hCount * j)));
                Line line = new Line(0,0, tileWidth, tileHeight);
                line.setStrokeWidth(1);
                line.setStroke(Color.BLACK);
                Group grp = new Group(ellipse, line);
                grp.setTranslateX(j*2*tileWidth + tileWidth);
                grp.setTranslateY(i*2*tileHeight + tileHeight);
                grp.setCache(true);
                ((Group) scene.getRoot()).getChildren().add(grp);
                final KeyValue kv;
                if (j % 2 == 0) {
                    if (i % 2 == 0) {
                        kv = new KeyValue(grp.translateXProperty(), j*2*tileWidth + tileWidth + 2*tileWidth);
                    } else {
                        kv = new KeyValue(grp.translateYProperty(), i*2*tileHeight + tileHeight - 2*tileHeight);
                    }
                } else {
                    if (i % 2 == 0) {
                        kv = new KeyValue(grp.translateYProperty(), i*2*tileHeight + tileHeight + 2*tileHeight);
                    } else {
                        kv = new KeyValue(grp.translateXProperty(), j*2*tileWidth + tileWidth - 2*tileWidth);
                    }
                }
                kvs.add(kv);
            }
        }

        stage.setScene(scene);
        stage.show();

        final KeyFrame kf = new KeyFrame(Duration.millis(500), kvs.toArray(new KeyValue[0]));
        timeline.getKeyFrames().add(kf);
        timeline.play();
    }

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