package com.ack.gui.awt.simple;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class MenuExample extends Frame implements ActionListener {
public static void main( String[] args ) {
MenuExample myFrame = new MenuExample();
myFrame.setSize( 400, 400 );
MenuBar myMenuBar = new MenuBar();
myFrame.setMenuBar( myMenuBar );
Menu myFileMenu = new Menu( "File" );
Menu myEditMenu = new Menu( "Edit" );
Menu myHelpMenu = new Menu( "Help" );
myMenuBar.add( myFileMenu );
myMenuBar.add( myEditMenu );
myMenuBar.add( myHelpMenu );
MenuItem myFileOpenMenuItem = new MenuItem( "Open..." );
MenuItem myFileExitMenuItem = new MenuItem( "Exit", new MenuShortcut( KeyEvent.VK_X ) );
MenuItem myEditUndoMenuItem = new MenuItem( "Undo", new MenuShortcut( KeyEvent.VK_Z ) );
MenuItem myHelpAboutMenuItem = new MenuItem( "About" );
myFileOpenMenuItem.addActionListener( myFrame );
myFileExitMenuItem.addActionListener( myFrame );
myEditUndoMenuItem.addActionListener( myFrame );
myHelpAboutMenuItem.addActionListener( myFrame );
myFileOpenMenuItem.setActionCommand( "open" );
myFileExitMenuItem.setActionCommand( "exit" );
myEditUndoMenuItem.setActionCommand( "undo" );
myHelpAboutMenuItem.setActionCommand( "about" );
myFileMenu.add( myFileOpenMenuItem );
myFileMenu.addSeparator();
myFileMenu.add( myFileExitMenuItem );
myEditMenu.add( myEditUndoMenuItem );
myHelpMenu.add( myHelpAboutMenuItem );
myFrame.addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent we ) {
System.exit( 0 );
}
} );
myFrame.setVisible( true );
}
public void actionPerformed( ActionEvent e ) {
String cmd = e.getActionCommand();
if( cmd.equals( "open" ) ) {
System.out.println( "open" );
}
else if( cmd.equals( "exit" ) ) {
System.exit( 0 );
}
else if( cmd.equals( "undo" ) ) {
System.out.println( "undo" );
}
else if( cmd.equals( "about" ) ) {
System.out.println( "about" );
}
}
}