/* * 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 components;/* * TabbedPaneDemo.java requires one additional file: *   images/middle.gif. */import javax.swing.JTabbedPane;import javax.swing.ImageIcon;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JFrame;import javax.swing.JComponent;import javax.swing.SwingUtilities;import javax.swing.UIManager;import java.awt.BorderLayout;import java.awt.Dimension;import java.awt.GridLayout;import java.awt.event.KeyEvent;public class TabbedPaneDemo extends JPanel {    public TabbedPaneDemo() {        super(new GridLayout(1, 1));                JTabbedPane tabbedPane = new JTabbedPane();        ImageIcon icon = createImageIcon("images/middle.gif");                JComponent panel1 = makeTextPanel("Panel #1");        tabbedPane.addTab("Tab 1", icon, panel1,                "Does nothing");        tabbedPane.setMnemonicAt(0, KeyEvent.VK_1);                JComponent panel2 = makeTextPanel("Panel #2");        tabbedPane.addTab("Tab 2", icon, panel2,                "Does twice as much nothing");        tabbedPane.setMnemonicAt(1, KeyEvent.VK_2);                JComponent panel3 = makeTextPanel("Panel #3");        tabbedPane.addTab("Tab 3", icon, panel3,                "Still does nothing");        tabbedPane.setMnemonicAt(2, KeyEvent.VK_3);                JComponent panel4 = makeTextPanel(                "Panel #4 (has a preferred size of 410 x 50).");        panel4.setPreferredSize(new Dimension(410, 50));        tabbedPane.addTab("Tab 4", icon, panel4,                "Does nothing at all");        tabbedPane.setMnemonicAt(3, KeyEvent.VK_4);                //Add the tabbed pane to this panel.        add(tabbedPane);                //The following line enables to use scrolling tabs.        tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);    }        protected JComponent makeTextPanel(String text) {        JPanel panel = new JPanel(false);        JLabel filler = new JLabel(text);        filler.setHorizontalAlignment(JLabel.CENTER);        panel.setLayout(new GridLayout(1, 1));        panel.add(filler);        return panel;    }        /** Returns an ImageIcon, or null if the path was invalid. */    protected static ImageIcon createImageIcon(String path) {        java.net.URL imgURL = TabbedPaneDemo.class.getResource(path);        if (imgURL != null) {            return new ImageIcon(imgURL);        } else {            System.err.println("Couldn't find file: " + path);            return null;        }    }        /**     * 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("TabbedPaneDemo");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                //Add content to the window.        frame.add(new TabbedPaneDemo(), BorderLayout.CENTER);                //Display the window.        frame.pack();        frame.setVisible(true);    }        public static void main(String[] args) {        //Schedule a job for the event dispatch thread:        //creating and showing this application's GUI.        SwingUtilities.invokeLater(new Runnable() {            public void run() {                //Turn off metal's use of bold fonts		UIManager.put("swing.boldMetal", Boolean.FALSE);		createAndShowGUI();            }        });    }}