/*
 * Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for NON-COMMERCIAL purposes and without
 * fee is hereby granted provided that this copyright notice
 * appears in all copies. Please refer to the file "copyright.html"
 * for further important copyright and licensing information.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
 */
import java.awt.*;

public class MenuWindow extends Frame {
    private boolean inAnApplet = true;
    private TextArea output;

    public MenuWindow() {
	MenuBar mb;
	Menu m1, m2, m3, m4;
	MenuItem mi1_1, mi1_2, mi3_1, mi3_2, mi3_3, mi3_4, mi4_1, mi4_2;
	CheckboxMenuItem mi2_1;

	output = new TextArea(5, 30);
	output.setEditable(false);
	setLayout(new BorderLayout()); //give max space to the output
	add("Center", output);

	//Build the menu bar.
	mb = new MenuBar();
	setMenuBar(mb);

	//Build first menu in the menu bar.
	m1 = new Menu("Menu 1", true);
	mb.add(m1);
	mi1_1 = new MenuItem("Menu Item 1_1");
	m1.add(mi1_1);
	mi1_2 = new MenuItem("Menu Item 1_2");
	m1.add(mi1_2);

	//Build help menu.
	m4 = new Menu("Menu 4");
	mb.add(m4); //just setting the help menu doesn't work; must add it
	mb.setHelpMenu(m4);
	mi4_1 = new MenuItem("Menu Item 4_1");
	m4.add(mi4_1);
	mi4_2 = new MenuItem("Menu Item 4_2");
	m4.add(mi4_2);

	//Build second menu in the menu bar.
	m2 = new Menu("Menu 2");
	mb.add(m2);
	mi2_1 = new CheckboxMenuItem("Menu Item 2_1");
	m2.add(mi2_1);

	//Build third menu in the menu bar.
	m3 = new Menu("Menu 3");
	mb.add(m3);
	mi3_1 = new MenuItem("Menu Item 3_1");
	m3.add(mi3_1);
	mi3_2 = new MenuItem("Menu Item 3_2");
	m3.add(mi3_2);
	m3.addSeparator();
	mi3_3 = new MenuItem("Menu Item 3_3");
	m3.add(mi3_3);
	mi3_4 = new MenuItem("Menu Item 3_4");
	mi3_4.disable();
	m3.add(mi3_4);

	//TO DO: Build independent menu.
	//To do so, IMPLEMENT A COMPONENT THAT implements MenuContainer.
    }

    public boolean handleEvent(Event event) {
        if (event.id == Event.WINDOW_DESTROY) {
            if (inAnApplet) {
                dispose();
            } else {
                System.exit(0);
            }
        }   
        return super.handleEvent(event);
    }

    public boolean action(Event event, Object arg) {
	String str = "Action detected";

	if (event.target instanceof MenuItem) {
	    MenuItem mi=(MenuItem)(event.target);
	    str += " on " + arg;
	    if (mi instanceof CheckboxMenuItem) {
		str += " (state is " 
	    	       + ((CheckboxMenuItem)mi).getState()
		       + ")";
	    }
	    MenuContainer parent = mi.getParent();
	    if (parent instanceof Menu) {
	        str += " in " + ((Menu)parent).getLabel();
	    } else {
	        str += " in a container that isn't a Menu";
	    }
	}
	str += ".\n";
	output.appendText(str);
	return false;
    }


    public static void main(String args[]) {
	MenuWindow window = new MenuWindow();
        window.inAnApplet = false;

	window.setTitle("MenuWindow Application");
	window.resize(250, 90);
        window.show();
    }
}