/*
	Simple demo which creates two buttons and prints messages when they are clicked
	Change:  1/11/98 Kim Bruce  converted to Java 1.1 event model
*/

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ButtonDemo extends JFrame
{
	protected JButton startButton, stopButton;
	
	// Constructor sets features of the frame, creates buttons, adds them to the frame, and
	// assigns an object to listen to them
	public ButtonDemo()
	{
		super("Button demo");	// set title bar
		
		setSize(400,200);			// sets the size of the window
		
		startButton = new JButton("Start"); // create two new buttons w/labels start and stop
		stopButton = new JButton("Stop");
		
		startButton.setBackground(Color.green);   // set backgrounds of buttons
		stopButton.setBackground(Color.red);
		
		Container contentPane = getContentPane();
		contentPane.setLayout(new FlowLayout());  // sets layout so objects added go from left to right
											// until fill up row and then go to next row
		contentPane.add(startButton);	
		contentPane.add(stopButton);
		
		// create objects to listen to each button (separately):	
		startButton.addActionListener(new StartButtonListener());
		stopButton.addActionListener(new StopButtonListener());
	}
		
	
	// Trivial main program associated with new window
	public static void main(String[] main){
		ButtonDemo app = new ButtonDemo();	// Create an instance of Buttons
		app.show();						// Show it on the Mac screen 
	}									// -- leave this out and you won't see it!

	// Listener for start button
	protected class StartButtonListener implements ActionListener{

		// print "start button" when button pushed
		public void actionPerformed(ActionEvent evt) 
		{
			System.out.println("Start button");
		}
	}

	// Listener for stop button
	protected class StopButtonListener implements ActionListener{

		// print "stop button" when button pushed
		public void actionPerformed(ActionEvent evt) 
		{
			System.out.println("Stop button");
		}
	}
	
}