/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author STUDENT
 */
//Fig. 13.24: FlowLayoutDemo.java
// Demonstrating FlowLayout alignments.

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

public class FlowLayoutDemo extends JFrame {
    private JButton leftButton, centerButton, rightButton;
    private Container container;
    private FlowLayout layout;

    //set up GUI and register button listeners
    public FlowLayoutDemo()
    {
        super("FlowLayout Demo" );
        layout=new FlowLayout();
        
        //get content pane and set its layout
        container = getContentPane();
        container.setLayout(layout);
        
        //set up leftButton and register linstener
        leftButton = new JButton("Left");
        container.add(leftButton);
        
        leftButton.addActionListener(
                new ActionListener(){//anonymous inner class
            
            //process leftButton event
            public void actionPerformed(ActionEvent event)
            {
                layout.setAlignment(FlowLayout.LEFT);
                
                //realign attached components
                layout.layoutContainer(container);
            }
        }//end anonymous inner class
                
                );//end cakk to addActionListener
                
           //set up centerButton and register listener
           centerButton = new JButton("Center");
           container.add(centerButton);
           centerButton.addActionListener(
                   new ActionListener(){//anonymous inner class
               //process centerButton event
               public void actionPerformed(ActionEvent event)
               {
                   layout.setAlignment(FlowLayout.CENTER);
                   
                   //realign attached components
                   layout.layoutContainer(container);
               }
               
           }
                   );
            //set up rightButton and register listener
           rightButton = new JButton("Right");
           container.add(rightButton);
           rightButton.addActionListener(
                   new ActionListener(){//anonymous inner class
               //process centerButton event
               public void actionPerformed(ActionEvent event)
               {
                   layout.setAlignment(FlowLayout.RIGHT);
                   
                   //realign attached components
                   layout.layoutContainer(container);
               }
               
           }
                   );     
    }
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        FlowLayoutDemo application= new FlowLayoutDemo();
        application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

}//end class FlowLayoutDemo