001 /*
002 * $Id: WindowsStatusBarUI.java 3249 2009-02-04 19:53:56Z kschaefe $
003 *
004 * Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
005 * Santa Clara, California 95054, U.S.A. All rights reserved.
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * You should have received a copy of the GNU Lesser General Public
018 * License along with this library; if not, write to the Free Software
019 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
020 */
021
022 package org.jdesktop.swingx.plaf.windows;
023
024 import java.awt.Graphics2D;
025 import java.awt.Insets;
026 import java.awt.image.BufferedImage;
027 import java.util.logging.Level;
028 import java.util.logging.Logger;
029
030 import javax.imageio.ImageIO;
031 import javax.swing.JComponent;
032 import javax.swing.plaf.ComponentUI;
033 import org.jdesktop.swingx.JXStatusBar;
034 import org.jdesktop.swingx.plaf.UIManagerExt;
035 import org.jdesktop.swingx.plaf.basic.BasicStatusBarUI;
036
037 /**
038 * @author rbair
039 */
040 public class WindowsStatusBarUI extends BasicStatusBarUI {
041 private static final Logger log = Logger.getLogger(WindowsStatusBarUI.class.getName());
042 private BufferedImage leftImage;
043 private BufferedImage middleImage;
044 private BufferedImage rightImage;
045
046
047 /** Creates a new instance of WindowsStatusBarUI */
048 public WindowsStatusBarUI() {
049 //SwingX #827: must create these here or size is incorrect
050 //TODO need to determine a better way to handle these images
051 try {
052 leftImage = ImageIO.read(WindowsStatusBarUI.class.getResource(UIManagerExt.getString("StatusBar.leftImage")));
053 middleImage = ImageIO.read(WindowsStatusBarUI.class.getResource(UIManagerExt.getString("StatusBar.middleImage")));
054 rightImage = ImageIO.read(WindowsStatusBarUI.class.getResource(UIManagerExt.getString("StatusBar.rightImage")));
055 } catch (Exception e) {
056 // log the message in case of init failure
057 log.log(Level.FINE, e.getLocalizedMessage(), e);
058 }
059 }
060
061 /**
062 * Returns an instance of the UI delegate for the specified component.
063 * Each subclass must provide its own static <code>createUI</code>
064 * method that returns an instance of that UI delegate subclass.
065 * If the UI delegate subclass is stateless, it may return an instance
066 * that is shared by multiple components. If the UI delegate is
067 * stateful, then it should return a new instance per component.
068 * The default implementation of this method throws an error, as it
069 * should never be invoked.
070 */
071 public static ComponentUI createUI(JComponent c) {
072 return new WindowsStatusBarUI();
073 }
074
075 @Override protected void paintBackground(Graphics2D g, JXStatusBar statusBar) {
076 if (leftImage == null || middleImage == null || rightImage == null) {
077 log.severe("Failed to initialize necessary assets. Set logging to FINE to see more details.");
078 return;
079 }
080 //if bidi, reverse the image painting order
081 //TODO need to handle vertical stretching better
082 g.drawImage(leftImage, 0, 0, leftImage.getWidth(), statusBar.getHeight(), null);
083
084 if (statusBar.isResizeHandleEnabled()) {
085 g.drawImage(middleImage, leftImage.getWidth(), 0, statusBar.getWidth() - leftImage.getWidth() - rightImage.getWidth(), statusBar.getHeight(), null);
086 g.drawImage(rightImage, statusBar.getWidth() - rightImage.getWidth(), 0, rightImage.getWidth(), statusBar.getHeight(), null);
087 } else {
088 g.drawImage(middleImage, leftImage.getWidth(), 0, statusBar.getWidth() - leftImage.getWidth(), statusBar.getHeight(), null);
089 }
090 }
091
092 @Override protected Insets getSeparatorInsets(Insets insets) {
093 if (insets == null) {
094 insets = new Insets(0, 0, 0, 0);
095 }
096 insets.top = 1;
097 insets.left = 4;
098 insets.bottom = 0;
099 insets.right = 4;
100 return insets;
101 }
102 }