// This example is from the book _Java AWT Reference_ by John Zukowski.
// Written by John Zukowski. Copyright (c) 1997 O'Reilly & Associates.
// You may study, use, modify, and distribute this example for any purpose.
// This example is provided WITHOUT WARRANTY either expressed or
import java.util.Vector;
import java.awt.*;
public class MenuTest extends Frame {
MenuTest () {
super ("MenuTest");
MenuItem mi;
Menu file = new Menu ("File", true);
file.add ("Open");
file.add (mi = new MenuItem ("Close"));
mi.disable();
Menu extras = new Menu ("Extras", false);
extras.add (new CheckboxMenuItem ("What"));
mi = extras.add (new MenuItem ("Yo"));
mi = extras.add (new MenuItem ("Yo"));
file.add (extras);
file.addSeparator();
file.add ("Quit");
Menu help = new Menu("Help");
help.add ("About");
MenuBar mb = new MenuBar();
mb.add (help);
mb.add (file);
mb.setHelpMenu (help);
setMenuBar (mb);
resize (200, 200);
}
public boolean handleEvent (Event e) {
if (e.id == Event.WINDOW_DESTROY) {
System.exit(0);
}
return super.handleEvent (e);
}
public boolean action (Event e, Object o) {
if (e.target instanceof MenuItem) {
if ("Quit".equals (o)) {
dispose();
System.exit(1);
} else {
System.out.println ("User selected " + o);
if (e.target instanceof CheckboxMenuItem) {
CheckboxMenuItem cb = (CheckboxMenuItem)e.target;
System.out.println ("The value is: " + cb.getState());
}
}
return true;
}
return false;
}
public static void main (String []args) {
MenuTest f = new MenuTest ();
f.show();
}
}