/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  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 Sun Microsystems 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. */ package layout;/* * CardLayoutDemo.java * */import java.awt.*;import java.awt.event.*;import javax.swing.*;public class CardLayoutDemo implements ItemListener {    JPanel cards; //a panel that uses CardLayout    final static String BUTTONPANEL = "Card with JButtons";    final static String TEXTPANEL = "Card with JTextField";        public void addComponentToPane(Container pane) {        //Put the JComboBox in a JPanel to get a nicer look.        JPanel comboBoxPane = new JPanel(); //use FlowLayout        String comboBoxItems[] = { BUTTONPANEL, TEXTPANEL };        JComboBox cb = new JComboBox(comboBoxItems);        cb.setEditable(false);        cb.addItemListener(this);        comboBoxPane.add(cb);                //Create the "cards".        JPanel card1 = new JPanel();        card1.add(new JButton("Button 1"));        card1.add(new JButton("Button 2"));        card1.add(new JButton("Button 3"));                JPanel card2 = new JPanel();        card2.add(new JTextField("TextField", 20));                //Create the panel that contains the "cards".        cards = new JPanel(new CardLayout());        cards.add(card1, BUTTONPANEL);        cards.add(card2, TEXTPANEL);                pane.add(comboBoxPane, BorderLayout.PAGE_START);        pane.add(cards, BorderLayout.CENTER);    }        public void itemStateChanged(ItemEvent evt) {        CardLayout cl = (CardLayout)(cards.getLayout());        cl.show(cards, (String)evt.getItem());    }        /**     * Create the GUI and show it.  For thread safety,     * this method should be invoked from the     * event dispatch thread.     */    private static void createAndShowGUI() {        //Create and set up the window.        JFrame frame = new JFrame("CardLayoutDemo");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                //Create and set up the content pane.        CardLayoutDemo demo = new CardLayoutDemo();        demo.addComponentToPane(frame.getContentPane());                //Display the window.        frame.pack();        frame.setVisible(true);    }        public static void main(String[] args) {        /* Use an appropriate Look and Feel */        try {            //UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");            UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");        } catch (UnsupportedLookAndFeelException ex) {            ex.printStackTrace();        } catch (IllegalAccessException ex) {            ex.printStackTrace();        } catch (InstantiationException ex) {            ex.printStackTrace();        } catch (ClassNotFoundException ex) {            ex.printStackTrace();        }        /* Turn off metal's use of bold fonts */        UIManager.put("swing.boldMetal", Boolean.FALSE);                //Schedule a job for the event dispatch thread:        //creating and showing this application's GUI.        javax.swing.SwingUtilities.invokeLater(new Runnable() {            public void run() {                createAndShowGUI();            }        });    }}