package bounceThread;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import Thread.Ball;

import Thread.BallComponent;

public class BounceThread {

public static void main(String[] args) {

// TODO Auto-generated method stub

EventQueue.invokeLater(new Runnable(){

public void run(){

JFrame frame=new BounceFrame();

frame.setTitle("BounceThread");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);

}

});

}

}

class BallRunnable implements Runnable{

private Ball ball;

private Component component;

public static final int STEPS=1000;

public static final int DELAY=5;

public BallRunnable(Ball aBall,Component aComponent){

ball=aBall;

component=aComponent;

}

public void run(){

try{

for(int i=1;i<STEPS;i++)

{

ball.move(component.getBounds());

component.repaint();

Thread.sleep(DELAY);

}

}

catch(InterruptedException e)

{

}

}

}

class BounceFrame extends JFrame{

private BallComponent comp;

public BounceFrame(){

comp=new BallComponent();

add(comp,BorderLayout.CENTER);

JPanel buttonPanel =new JPanel();

addButton(buttonPanel,"Start",new ActionListener(){

public void actionPerformed(ActionEvent event){

addBall();

}

});

addButton(buttonPanel,"Close",new ActionListener(){

public void actionPerformed(ActionEvent event){

System.exit(0);

}

});

add(buttonPanel,BorderLayout.SOUTH);

pack();

}

public void addButton(Container c,String title,ActionListener listener){

JButton button=new JButton(title);

c.add(button);

button.addActionListener(listener);

}

public void addBall(){

Ball b=new Ball();

comp.add(b);

Runnable r=new BallRunnable(b,comp);

Thread t=new Thread(r);

t.start();

}

}