/* * 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 lookandfeel;/* * LookAndFeelDemo.java is a Java SE 6 example that requires * one other file (TestTheme.java). */import javax.swing.*;          import java.awt.*;import java.awt.event.*;import javax.swing.plaf.metal.*;public class LookAndFeelDemo implements ActionListener {    private static String labelPrefix = "Number of button clicks: ";    private int numClicks = 0;    final JLabel label = new JLabel(labelPrefix + "0    ");    // Specify the look and feel to use by defining the LOOKANDFEEL constant    // Valid values are: null (use the default), "Metal", "System", "Motif",    // and "GTK"    final static String LOOKANDFEEL = "Metal";        // If you choose the Metal L&F, you can also choose a theme.    // Specify the theme to use by defining the THEME constant    // Valid values are: "DefaultMetal", "Ocean",  and "Test"    final static String THEME = "Test";        public Component createComponents() {        JButton button = new JButton("I'm a Swing button!");        button.setMnemonic(KeyEvent.VK_I);        button.addActionListener(this);        label.setLabelFor(button);        /*         * An easy way to put space between a top-level container         * and its contents is to put the contents in a JPanel         * that has an "empty" border.         */        JPanel pane = new JPanel(new GridLayout(0, 1));        pane.add(button);        pane.add(label);        pane.setBorder(BorderFactory.createEmptyBorder(                                        30, //top                                        30, //left                                        10, //bottom                                        30) //right                                        );        return pane;    }    public void actionPerformed(ActionEvent e) {        numClicks++;        label.setText(labelPrefix + numClicks);    }    private static void initLookAndFeel() {        String lookAndFeel = null;               if (LOOKANDFEEL != null) {            if (LOOKANDFEEL.equals("Metal")) {                lookAndFeel = UIManager.getCrossPlatformLookAndFeelClassName();              //  an alternative way to set the Metal L&F is to replace the               // previous line with:              // lookAndFeel = "javax.swing.plaf.metal.MetalLookAndFeel";                            }                        else if (LOOKANDFEEL.equals("System")) {                lookAndFeel = UIManager.getSystemLookAndFeelClassName();            }                         else if (LOOKANDFEEL.equals("Motif")) {                lookAndFeel = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";            }                         else if (LOOKANDFEEL.equals("GTK")) {                 lookAndFeel = "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";            }                         else {                System.err.println("Unexpected value of LOOKANDFEEL specified: "                                   + LOOKANDFEEL);                lookAndFeel = UIManager.getCrossPlatformLookAndFeelClassName();            }            try {            	            	                UIManager.setLookAndFeel(lookAndFeel);                                // If L&F = "Metal", set the theme                                if (LOOKANDFEEL.equals("Metal")) {                  if (THEME.equals("DefaultMetal"))                     MetalLookAndFeel.setCurrentTheme(new DefaultMetalTheme());                  else if (THEME.equals("Ocean"))                     MetalLookAndFeel.setCurrentTheme(new OceanTheme());                  else                     MetalLookAndFeel.setCurrentTheme(new TestTheme());                                       UIManager.setLookAndFeel(new MetalLookAndFeel());                 }	                	                	                                              }                         catch (ClassNotFoundException e) {                System.err.println("Couldn't find class for specified look and feel:"                                   + lookAndFeel);                System.err.println("Did you include the L&F library in the class path?");                System.err.println("Using the default look and feel.");            }                         catch (UnsupportedLookAndFeelException e) {                System.err.println("Can't use the specified look and feel ("                                   + lookAndFeel                                   + ") on this platform.");                System.err.println("Using the default look and feel.");            }                         catch (Exception e) {                System.err.println("Couldn't get specified look and feel ("                                   + lookAndFeel                                   + "), for some reason.");                System.err.println("Using the default look and feel.");                e.printStackTrace();            }        }    }    /**     * Create the GUI and show it.  For thread safety,     * this method should be invoked from the     * event dispatch thread.     */    private static void createAndShowGUI() {        //Set the look and feel.        initLookAndFeel();        //Make sure we have nice window decorations.        JFrame.setDefaultLookAndFeelDecorated(true);        //Create and set up the window.        JFrame frame = new JFrame("SwingApplication");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        LookAndFeelDemo app = new LookAndFeelDemo();        Component contents = app.createComponents();        frame.getContentPane().add(contents, 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.        javax.swing.SwingUtilities.invokeLater(new Runnable() {            public void run() {                createAndShowGUI();            }        });    }}