/* 
 *  ====================================================================
 *  Simple GUI with three buttons connected to button listeners.
 * 
 *  Written By : Mark Austin                               November 1997 
 *  ====================================================================
 */ 

import java.awt.*;
import java.awt.event.*;

public class TestButton extends Frame {

    // Main method calls constructor to create instance of TestButton.

    public static void main( String args[] ) {
       TestButton t = new TestButton();
    }

    // Constructor for row of buttons.

    public TestButton() {

      // Create array of button reference variables.

      Button buttons[] = new Button [3]; 

      // Define flow layout manager.

      setLayout(new FlowLayout());   

      // Create buttons and action and mouse listeners.

      buttons[0] = new Button ("Button" + 1);
      buttons[0].addMouseListener( new ButtonListener( buttons[0] ));

      buttons[1] = new Button ("Button" + 2);
      buttons[1].addActionListener( new ButtonAction( buttons[1] ));

      buttons[2] = new Button ("Button" + 3);
      buttons[2].addActionListener( new ActionListener() {
                 public void actionPerformed( ActionEvent e ) {
                        System.out.println("Button3");
                 }}
                 );

      for(int ii = 1; ii <= 3; ii++ )
          add( buttons[ii-1] );

      setSize(400,120);    // Set the frame size.
      show();              // Display the frame.
    }
}

/*
 *  =================================================================
 *  This class listens for action events associated with the buttons.
 *  =================================================================
 */

class ButtonAction implements ActionListener {
      private Button b;

      public ButtonAction ( Button b ) {
         this.b = b;
      }

      public void actionPerformed ( ActionEvent e ) {
         String s = new String(e.getActionCommand());
         System.out.println(s);
      }
}

/*
 *  ================================================================
 *  This class listens for mouse events associated with the buttons.
 *  ================================================================
 */

class ButtonListener implements MouseListener {
      private Button b;

      public ButtonListener( Button b ) {
         this.b = b;
      }

      public void mouseReleased ( MouseEvent e ) {
         String s = new String(b.getLabel());
         System.out.println(s);
      }

      public void mouseClicked ( MouseEvent e ) {};
      public void mouseEntered ( MouseEvent e ) {};
      public void mouseExited ( MouseEvent e ) {};
      public void mousePressed ( MouseEvent e ) {};
}