// DiceRoller.java
// Modified from Dietel&Deitel's Fig. 12.10: DiceRoller.java
// Creating JButtons.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class DiceRoller extends JFrame implements ActionListener {
   private JButton button1;
   private Icon images[];

   public DiceRoller()
   {
      super( "Testing Buttons" );

	/* set up images array */
        images = new Icon [7];
        images[0] = new ImageIcon ("blank.gif");
        images[1] = new ImageIcon ("1.gif");
        images[2] = new ImageIcon ("2.gif");
        images[3] = new ImageIcon ("3.gif");
        images[4] = new ImageIcon ("4.gif");
        images[5] = new ImageIcon ("5.gif");
        images[6] = new ImageIcon ("6.gif");


      Container c = getContentPane();
      c.setLayout( new FlowLayout() );

      // create buttons
      button1 = new JButton( "Click Here", images[0] );
      c.add( button1 );

      // create an instance of inner class ButtonHandler
      // to use for button event handling 
      button1.addActionListener( this );

      setSize( 275, 100 );
      show();
   }

   public static void main( String args[] )
   { 
      DiceRoller app = new DiceRoller();

      app.addWindowListener(
         new WindowAdapter() {
            public void windowClosing( WindowEvent e )
            {
               System.exit( 0 );
            }
         }
      );
   }

   // inner class for button event handling
   public void actionPerformed( ActionEvent e )
      {
         int i;
         JButton b;

         JOptionPane.showMessageDialog( null,
            "You pressed: " + e.getActionCommand() );

         i = ((int)Math.floor (Math.random()*6)) + 1;
         b = (JButton)e.getSource();
         
         setImage (b, i);
      }


   public void setImage( JButton b, int i )
      {
         b.setIcon(images[i]);
      }


}