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/**
 *
 * @author STUDENT
 */

// Fig. 13.25: BorderLayoutDemo.java
// Demonstrating BorderLayout.

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



public class BorderLayoutDemo extends JFrame implements ActionListener{
    private JButton buttons[];
    private final String names[] = {"Hide North", "Hide Sounth", "Hide East", "Hide West", "Hide Center"};
    private BorderLayout layout;
    
    //set up GUI and event handling
    public BorderLayoutDemo()
    {
        super("BorderLayout Demo");
        layout= new BorderLayout(5,5);// 5 pixel gaps
        
        //get content pane and set its layout
        Container container=getContentPane();
        container.setLayout(layout);
        
        //instantiate button objects
        buttons=new JButton[names.length];
        
        for (int count=0; count<names.length; count++){
            buttons[count] = new JButton(names[count]);
            buttons[count].addActionListener(this);
        }
    
        //place buttons in BorderLayout; order not important
        container.add(buttons[0], BorderLayout.NORTH);
        container.add(buttons[1], BorderLayout.SOUTH);
        container.add(buttons[2], BorderLayout.EAST);
        container.add(buttons[3], BorderLayout.WEST);
        container.add(buttons[4], BorderLayout.CENTER);
        
        setSize(300,200);
        setVisible(true);
    }// end constructor BorderLayoutDemo
     
     // handle button events
    public void actionPerformed(ActionEvent event)
    {
        for (int count=0; count<buttons.length; count++)
            if(event.getSource()==buttons[count])
                buttons[count].setVisible(false);
            else
                buttons[count].setVisible(true);
        
        //re-layout the content pane
        layout.layoutContainer(getContentPane());
    }
    

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        BorderLayoutDemo application=new BorderLayoutDemo();
        application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

   

}// end class BorderLayoutDemo