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/*
* Copyright (c) 1999, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.Canvas;
import java.awt.CardLayout;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Label;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;
import java.awt.Panel;
public class MenuTest extends Frame {
private MenuItem quitItem;
private final Panel cards;
private final CardLayout layout;
public MenuTest(String s) {
super(s);
MenuBar mbar = new MenuBar();
createMenus(mbar);
setMenuBar(mbar);
cards = new Panel();
layout = new CardLayout();
cards.setLayout(layout);
cards.add(new MyPanelOne("Options"), "Options");
cards.add(new MyRectCanvas(), "MyRectCanvas");
cards.add(new MycircleCanvas(), "MyCircleCanvas");
add(cards, "Center");
}
public void createMenus(MenuBar mbar) {
mbar.add(createFileMenu());
mbar.add(createEditMenu());
mbar.add(createOptionMenu1());
mbar.add(createOptionMenu2());
mbar.add(createOptionMenu3());
mbar.add(createOptionMenu4());
}
private Menu createFileMenu() {
Menu fileMenu = new Menu("File");
fileMenu.add(quitItem = new MenuItem("Quit"));
quitItem.addActionListener(event -> {
MenuItem item = (MenuItem) event.getSource();
if (item == quitItem) {
dispose();
}
});
return fileMenu;
}
private Menu createEditMenu() {
Menu editMenu = new Menu("Edit");
editMenu.add("Cut");
editMenu.add("Copy");
editMenu.add("Paste");
editMenu.addSeparator();
editMenu.add("Select all");
editMenu.addSeparator();
editMenu.add("Find");
editMenu.add("Find again");
return editMenu;
}
private Menu createOptionMenu1() {
Menu optionMenu1 = new Menu("Option1");
MenuItem item1, item2, item3;
optionMenu1.add(item1 = new MenuItem("Item1"));
optionMenu1.add(item2 = new MenuItem("Item2"));
optionMenu1.add(item3 = new MenuItem("Item3"));
item1.addActionListener(event -> {
MenuItem mItem = (MenuItem) event.getSource();
if (mItem == item1) {
layout.show(cards, "Options");
}
});
item2.addActionListener(event -> {
MenuItem mItem = (MenuItem) event.getSource();
if (mItem == item2) {
layout.show(cards, "MyRectCanvas");
}
});
item3.addActionListener(event -> {
MenuItem mItem = (MenuItem) event.getSource();
if (mItem == item3) {
layout.show(cards, "MyCircleCanvas");
}
});
return optionMenu1;
}
private Menu createOptionMenu2() {
Menu optionMenu2 = new Menu("Option2");
optionMenu2.add("Item1");
optionMenu2.add("Item2");
return optionMenu2;
}
private Menu createOptionMenu3() {
Menu optionMenu3 = new Menu("Option3");
optionMenu3.add("Item1");
optionMenu3.add("Item2");
optionMenu3.add("Item3");
optionMenu3.add("Item4");
return optionMenu3;
}
private Menu createOptionMenu4() {
Menu optionMenu4 = new Menu("Option3");
optionMenu4.add("Item1");
optionMenu4.add("Item2");
optionMenu4.add("Item3");
return optionMenu4;
}
}
class MyRectCanvas extends Canvas {
@Override
public void paint(Graphics g) {
g.drawRect(0, 0, 100, 100);
}
}
class MyPanelOne extends Panel {
MyPanelOne(String name) {
add(new Label(name + " panel goes here"));
}
}
class MycircleCanvas extends Canvas {
@Override
public void paint(Graphics g) {
g.drawOval(0, 0, 100, 100);
g.drawOval(2, 2, 100, 100);
g.drawOval(4, 4, 100, 100);
}
}
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