/*

 * NumberActionGB.java demos a GridBagLayout with Action listeners for each button.

 */



import java.awt.*;

import javax.swing.*;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;





public class NumberActionGB extends JPanel implements ActionListener{





      public NumberActionGB(){

         this.setLayout(new GridBagLayout());

         GridBagConstraints c = new GridBagConstraints();

         c.fill = GridBagConstraints.HORIZONTAL;

         //c.fill = GridBagConstraints.VERTICAL;



         JButton j1 = new JButton("1");

         j1.setActionCommand("1");

         j1.addActionListener(this);

         c.weightx = 0.5;

         c.gridx = 0;

         c.gridy = 0;

         this.add(j1, c);



         j1 = new JButton("2");

         j1.setActionCommand("2");

         j1.addActionListener(this);

         c.weightx = 0.5;

         c.gridx = 1;

         c.gridy = 0;

         this.add(j1, c);



         j1 = new JButton("3");

         j1.setActionCommand("3");

         j1.addActionListener(this);

         c.weightx = 0.5;

         c.gridx = 2;

         c.gridy = 0;

         this.add(j1, c);



         j1 = new JButton("4");

         j1.setActionCommand("4");

         j1.addActionListener(this);

         c.weightx = 0.1;

         c.gridx = 0;

         c.gridy = 1;

         this.add(j1, c);



         j1 = new JButton("5");

         j1.setActionCommand("5");

         j1.addActionListener(this);

         c.weightx = 0.5;

         c.gridx = 1;

         c.gridy = 1;

         this.add(j1, c);



         j1 = new JButton("6");

         j1.setActionCommand("6");

         j1.addActionListener(this);

         c.weightx = 0.5;

         c.gridx = 2;

         c.gridy = 1;

         this.add(j1, c);



      }



    public void actionPerformed(ActionEvent e){

        if ("1".equals(e.getActionCommand()))

           System.out.println(1);

        else if ("2".equals(e.getActionCommand()))

           System.out.println(2);

        else if ("3".equals(e.getActionCommand()))

           System.out.println(3);

        else if ("4".equals(e.getActionCommand()))

           System.out.println(4);

        else if ("5".equals(e.getActionCommand()))

           System.out.println(5);

        else if ("6".equals(e.getActionCommand()))

           System.out.println(6);

        

    }



    /**

     * Create the GUI and show it.  For thread safety,

     * this method should be invoked from the

     * event-dispatching thread.

     */

    private static void createAndShowGUI() {

        //Make sure we have nice window decorations.

        JFrame.setDefaultLookAndFeelDecorated(true);



        //Create and set up the window.

        JFrame frame = new JFrame("NumberActionGB");

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);



        //Set up the content pane.

        //addComponentsToPane(frame.getContentPane());

        NumberActionGB newContentPane = new NumberActionGB();

        newContentPane.setOpaque(true);

        frame.setContentPane(newContentPane);



        //Display the window.

        frame.pack();

        frame.setVisible(true);

    }



    public static void main(String[] args) {

        //Schedule a job for the event-dispatching thread:

        //creating and showing this application's GUI.

        javax.swing.SwingUtilities.invokeLater(new Runnable() {

            public void run() {

                createAndShowGUI();

            }

        });

    }

}