| /* |
| * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * - Neither the name of Oracle nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /* |
| * This source code is provided to illustrate the usage of a given feature |
| * or technique and has been deliberately simplified. Additional steps |
| * required for a production-quality application, such as security checks, |
| * input validation and proper error handling, might not be present in |
| * this sample code. |
| */ |
| |
| |
| |
| import java.applet.Applet; |
| import java.awt.BorderLayout; |
| import java.awt.Button; |
| import java.awt.CardLayout; |
| import java.awt.Choice; |
| import java.awt.Dimension; |
| import java.awt.FlowLayout; |
| import java.awt.Frame; |
| import java.awt.GridLayout; |
| import java.awt.LayoutManager; |
| import java.awt.Panel; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.ItemEvent; |
| import java.awt.event.ItemListener; |
| |
| |
| @SuppressWarnings("serial") |
| final class CardPanel extends Panel { |
| |
| ActionListener listener; |
| |
| Panel create(LayoutManager layout) { |
| Button b = null; |
| Panel p = new Panel(); |
| |
| p.setLayout(layout); |
| |
| b = new Button("one"); |
| b.addActionListener(listener); |
| p.add("North", b); |
| |
| b = new Button("two"); |
| b.addActionListener(listener); |
| p.add("West", b); |
| |
| b = new Button("three"); |
| b.addActionListener(listener); |
| p.add("South", b); |
| |
| b = new Button("four"); |
| b.addActionListener(listener); |
| p.add("East", b); |
| |
| b = new Button("five"); |
| b.addActionListener(listener); |
| p.add("Center", b); |
| |
| b = new Button("six"); |
| b.addActionListener(listener); |
| p.add("Center", b); |
| |
| return p; |
| } |
| |
| CardPanel(ActionListener actionListener) { |
| listener = actionListener; |
| setLayout(new CardLayout()); |
| add("one", create(new FlowLayout())); |
| add("two", create(new BorderLayout())); |
| add("three", create(new GridLayout(2, 2))); |
| add("four", create(new BorderLayout(10, 10))); |
| add("five", create(new FlowLayout(FlowLayout.LEFT, 10, 10))); |
| add("six", create(new GridLayout(2, 2, 10, 10))); |
| } |
| |
| @Override |
| public Dimension getPreferredSize() { |
| return new Dimension(200, 100); |
| } |
| } |
| |
| |
| @SuppressWarnings("serial") |
| public class CardTest extends Applet |
| implements ActionListener, |
| ItemListener { |
| |
| CardPanel cards; |
| |
| @SuppressWarnings("LeakingThisInConstructor") |
| public CardTest() { |
| setLayout(new BorderLayout()); |
| add("Center", cards = new CardPanel(this)); |
| Panel p = new Panel(); |
| p.setLayout(new FlowLayout()); |
| add("South", p); |
| |
| Button b = new Button("first"); |
| b.addActionListener(this); |
| p.add(b); |
| |
| b = new Button("next"); |
| b.addActionListener(this); |
| p.add(b); |
| |
| b = new Button("previous"); |
| b.addActionListener(this); |
| p.add(b); |
| |
| b = new Button("last"); |
| b.addActionListener(this); |
| p.add(b); |
| |
| Choice c = new Choice(); |
| c.addItem("one"); |
| c.addItem("two"); |
| c.addItem("three"); |
| c.addItem("four"); |
| c.addItem("five"); |
| c.addItem("six"); |
| c.addItemListener(this); |
| p.add(c); |
| } |
| |
| @Override |
| public void itemStateChanged(ItemEvent e) { |
| ((CardLayout) cards.getLayout()).show(cards, |
| (String) (e.getItem())); |
| } |
| |
| @Override |
| public void actionPerformed(ActionEvent e) { |
| String arg = e.getActionCommand(); |
| |
| if ("first".equals(arg)) { |
| ((CardLayout) cards.getLayout()).first(cards); |
| } else if ("next".equals(arg)) { |
| ((CardLayout) cards.getLayout()).next(cards); |
| } else if ("previous".equals(arg)) { |
| ((CardLayout) cards.getLayout()).previous(cards); |
| } else if ("last".equals(arg)) { |
| ((CardLayout) cards.getLayout()).last(cards); |
| } else { |
| ((CardLayout) cards.getLayout()).show(cards, arg); |
| } |
| } |
| |
| public static void main(String args[]) { |
| Frame f = new Frame("CardTest"); |
| CardTest cardTest = new CardTest(); |
| cardTest.init(); |
| cardTest.start(); |
| |
| f.add("Center", cardTest); |
| f.setSize(300, 300); |
| f.setVisible(true); |
| } |
| |
| @Override |
| public String getAppletInfo() { |
| return "Demonstrates the different types of layout managers."; |
| } |
| } |