/*
* 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.";
}
}