JAVA PROGRAM USING AWT TO CREATE MENU BAR WITH ACTION LISTENER

 

package awtmenudemo;

import java.awt.*;

import java.awt.event.*;

public class AWTMenuDemo {

   private Frame mainFrame;

   private Label headerLabel;

   private Label statusLabel;

   private Panel controlPanel;

   public AWTMenuDemo(){

      prepareGUI();

   }

 

   public static void main(String[] args){

      AWTMenuDemo  awtMenuDemo = new AWTMenuDemo();    

      awtMenuDemo.showMenuDemo();

   }

 

   private void prepareGUI(){

      mainFrame = new Frame("Java AWT-Menu & Menu Bar Examples");

      mainFrame.setSize(400,400);

      mainFrame.setLayout(new GridLayout(3, 1));

      mainFrame.addWindowListener(new WindowAdapter() {

         public void windowClosing(WindowEvent windowEvent){

            System.exit(0);

         }       

      });   

      headerLabel = new Label();

      headerLabel.setAlignment(Label.CENTER);

      statusLabel = new Label();       

      statusLabel.setAlignment(Label.CENTER);

      statusLabel.setSize(350,100);

 

      controlPanel = new Panel();

      controlPanel.setLayout(new FlowLayout());

 

      mainFrame.add(headerLabel);

      mainFrame.add(controlPanel);

      mainFrame.add(statusLabel);

      mainFrame.setVisible(true); 

   }

 

   private void showMenuDemo(){

      //create a menu bar

      final MenuBar menuBar = new MenuBar();

 

      //create menus

      Menu fileMenu = new Menu("File");

      Menu editMenu = new Menu("Edit");

      Menu sub=new Menu("PageLayout");

      final Menu ViewMenu = new Menu("View");

 

      //create menu items

      MenuItem newMenuItem = new MenuItem("New");

      newMenuItem.setActionCommand("New");

 

      MenuItem openMenuItem = new MenuItem("Open");

      openMenuItem.setActionCommand("Open");

 

      MenuItem saveMenuItem = new MenuItem("Save");

      saveMenuItem.setActionCommand("Save");

 

      MenuItem exitMenuItem = new MenuItem("Exit");

      exitMenuItem.setActionCommand("Exit");

 

      MenuItem cutMenuItem = new MenuItem("Cut");

      cutMenuItem.setActionCommand("Cut");

 

      MenuItem copyMenuItem = new MenuItem("Copy");

      copyMenuItem.setActionCommand("Copy");

 

      MenuItem pasteMenuItem = new MenuItem("Paste");

      pasteMenuItem.setActionCommand("Paste");

  

      MenuItem PageLayoutMenuItem = new MenuItem("PageLayout");

      PageLayoutMenuItem.setActionCommand("PageLayout");

     

      MenuItem RulerMenuItem = new MenuItem("Ruler");

      RulerMenuItem .setActionCommand("Ruler");

     

     

      MenuItem ZoomMenuItem = new MenuItem("Zoom");

      ZoomMenuItem.setActionCommand("Zoom");

     

      MenuItem GridlinesMenuItem = new MenuItem("Gridlines");

      GridlinesMenuItem.setActionCommand("Gridlines");

     

      MenuItem PrintLayoutMenuItem = new MenuItem("PrintLayout");

      PrintLayoutMenuItem.setActionCommand("PrintLayout");

     

      MenuItem WebLayoutMenuItem = new MenuItem("WebLayout");

      WebLayoutMenuItem.setActionCommand("WebLayout");

     

      sub.add(PrintLayoutMenuItem=new MenuItem("PrintLayout"));

      sub.add(WebLayoutMenuItem=new MenuItem("WebLayout"));

     

  

      MenuItemListener menuItemListener = new MenuItemListener();

 

      newMenuItem.addActionListener(menuItemListener);

      openMenuItem.addActionListener(menuItemListener);

      saveMenuItem.addActionListener(menuItemListener);

      exitMenuItem.addActionListener(menuItemListener);

      cutMenuItem.addActionListener(menuItemListener);

      copyMenuItem.addActionListener(menuItemListener);

      pasteMenuItem.addActionListener(menuItemListener);

      PageLayoutMenuItem.addActionListener(menuItemListener);

      RulerMenuItem.addActionListener(menuItemListener);

      ZoomMenuItem.addActionListener(menuItemListener);

      GridlinesMenuItem.addActionListener(menuItemListener);

      PrintLayoutMenuItem.addActionListener(menuItemListener);

      WebLayoutMenuItem.addActionListener(menuItemListener);

     

     

      final CheckboxMenuItem showWindowMenu =

         new CheckboxMenuItem("Show About", true);

      showWindowMenu.addItemListener(new ItemListener() {

         public void itemStateChanged(ItemEvent e) {

            if(showWindowMenu.getState()){

               menuBar.add(ViewMenu);

            }else{

               menuBar.remove(ViewMenu);

            }

         }

      });

 

      //add menu items to menus

      fileMenu.add(newMenuItem);

      fileMenu.add(openMenuItem);

      fileMenu.add(saveMenuItem);

      fileMenu.addSeparator();

      fileMenu.add(showWindowMenu);

      fileMenu.addSeparator();

      fileMenu.add(exitMenuItem);

 

      editMenu.add(cutMenuItem);

      editMenu.add(copyMenuItem);

      editMenu.add(pasteMenuItem);

 

      ViewMenu.add(RulerMenuItem);

      ViewMenu.add(ZoomMenuItem);

      ViewMenu.add(ZoomMenuItem);

      ViewMenu.add(GridlinesMenuItem);

      ViewMenu.add(sub);

     

     

      //add menu to menubar

      menuBar.add(fileMenu);

      menuBar.add(editMenu);

      menuBar.add(ViewMenu);

 

      //add menubar to the frame

      mainFrame.setMenuBar(menuBar);

      mainFrame.setVisible(true); 

}

 

   class MenuItemListener implements ActionListener {

      public void actionPerformed(ActionEvent e) {           

         statusLabel.setText(e.getActionCommand()

            + " MenuItem clicked.");

      }   

   }

}

OUTPUT :