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();
	}
}