//: c13:ButtonApp.java
// From Thinking in Java, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
// Creating an application
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

public class ButtonAppEvents extends JFrame {
    JButton  b1, b2;
    JTextField t;
    MyActionListener al;
    public ButtonAppEvents(String name) {
	super(name);
	t = new JTextField(15);
	b1 = new JButton("Hello");
	b2 = new JButton("Howdy");
	al = new MyActionListener(t);
	b1.addActionListener(al);
	b2.addActionListener(al);
	Container cp = getContentPane();
	cp.setLayout(new FlowLayout());
	cp.add(b1);
	cp.add(b2);
	cp.add(t);
    }
    public static void main(String[] args) {
	JFrame frame = new ButtonAppEvents("ButtonApp");
	frame.addWindowListener(
				new WindowAdapter() {
					public void windowClosing(WindowEvent e){
					     System.exit(0);
					}
				    });
	frame.setSize(400,100);
	frame.setVisible(true);
    }  
}

class MyActionListener implements ActionListener 
{ 
    JTextField _t; 
    public MyActionListener (JTextField t) 
    {
	_t = t;
    }
    
    public void actionPerformed(ActionEvent e){
	String name = 
	    ((JButton)e.getSource()).getText();
	_t.setText(name);
    }
}