// File:  BorderLayout4.java

import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;


public class BorderLayout4 extends Applet implements ActionListener{
  private Button EastButton, 
                 NorthButton, 
                 CenterButton;

  public void init() {
    // instantiating the button objects
    EastButton = new Button("East");
    NorthButton = new Button("North");
    CenterButton = new Button("Center");

    // add action lisners for all buttons
    EastButton.addActionListener(this);
    NorthButton.addActionListener(this); 
    CenterButton.addActionListener(this);


    /* setting layout to BorderLayout 
       with horizontal and vertical spacing of 10 pixels */
    setLayout(new BorderLayout(50,100));
    
    // order is not important here as we are specifying the positions
    
    add(EastButton,BorderLayout.EAST);
    add( NorthButton,BorderLayout.NORTH);
    add( CenterButton,BorderLayout.CENTER);
  }
  public void actionPerformed( ActionEvent e) 
  {
    Color c=new Color((float)Math.random(),(float)Math.random(),(float)Math.random());
    
    if (e.getSource()==EastButton)
      EastButton.setBackground( c);
    else if (e.getSource()==NorthButton)
      NorthButton.setBackground( c);
    else if (e.getSource()==CenterButton)
      CenterButton.setBackground( c);
  }
  
}