001 /*
002 * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation. Sun designates this
008 * particular file as subject to the "Classpath" exception as provided
009 * by Sun in the LICENSE file that accompanied this code.
010 *
011 * This code is distributed in the hope that it will be useful, but WITHOUT
012 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
014 * version 2 for more details (a copy is included in the LICENSE file that
015 * accompanied this code).
016 *
017 * You should have received a copy of the GNU General Public License version
018 * 2 along with this work; if not, write to the Free Software Foundation,
019 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020 *
021 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022 * CA 95054 USA or visit www.sun.com if you need additional information or
023 * have any questions.
024 */
025
026 package javax.swing.plaf.synth;
027
028 import java.awt.*;
029 import javax.swing.*;
030 import javax.swing.border.*;
031 import javax.swing.plaf.*;
032 import javax.swing.plaf.basic.BasicPanelUI;
033 import java.awt.*;
034 import java.awt.event.*;
035 import java.beans.*;
036 import sun.swing.plaf.synth.SynthUI;
037
038 /**
039 * Synth's PanelUI.
040 *
041 * @version 1.19, 05/05/07
042 * @author Steve Wilson
043 */
044 class SynthPanelUI extends BasicPanelUI implements
045 PropertyChangeListener, SynthUI {
046 private SynthStyle style;
047
048 public static ComponentUI createUI(JComponent c) {
049 return new SynthPanelUI();
050 }
051
052 public void installUI(JComponent c) {
053 JPanel p = (JPanel) c;
054
055 super .installUI(c);
056 installListeners(p);
057 }
058
059 public void uninstallUI(JComponent c) {
060 JPanel p = (JPanel) c;
061
062 uninstallListeners(p);
063 super .uninstallUI(c);
064 }
065
066 protected void installListeners(JPanel p) {
067 p.addPropertyChangeListener(this );
068 }
069
070 protected void uninstallListeners(JPanel p) {
071 p.removePropertyChangeListener(this );
072 }
073
074 protected void installDefaults(JPanel p) {
075 updateStyle(p);
076 }
077
078 protected void uninstallDefaults(JPanel p) {
079 SynthContext context = getContext(p, ENABLED);
080
081 style.uninstallDefaults(context);
082 context.dispose();
083 style = null;
084 }
085
086 private void updateStyle(JPanel c) {
087 SynthContext context = getContext(c, ENABLED);
088 style = SynthLookAndFeel.updateStyle(context, this );
089 context.dispose();
090 }
091
092 public SynthContext getContext(JComponent c) {
093 return getContext(c, getComponentState(c));
094 }
095
096 private SynthContext getContext(JComponent c, int state) {
097 return SynthContext.getContext(SynthContext.class, c,
098 SynthLookAndFeel.getRegion(c), style, state);
099 }
100
101 private Region getRegion(JComponent c) {
102 return SynthLookAndFeel.getRegion(c);
103 }
104
105 private int getComponentState(JComponent c) {
106 return SynthLookAndFeel.getComponentState(c);
107 }
108
109 public void update(Graphics g, JComponent c) {
110 SynthContext context = getContext(c);
111
112 SynthLookAndFeel.update(context, g);
113 context.getPainter().paintPanelBackground(context, g, 0, 0,
114 c.getWidth(), c.getHeight());
115 paint(context, g);
116 context.dispose();
117 }
118
119 public void paint(Graphics g, JComponent c) {
120 SynthContext context = getContext(c);
121
122 paint(context, g);
123 context.dispose();
124 }
125
126 protected void paint(SynthContext context, Graphics g) {
127 // do actual painting
128 }
129
130 public void paintBorder(SynthContext context, Graphics g, int x,
131 int y, int w, int h) {
132 context.getPainter().paintPanelBorder(context, g, x, y, w, h);
133 }
134
135 public void propertyChange(PropertyChangeEvent pce) {
136 if (SynthLookAndFeel.shouldUpdateStyle(pce)) {
137 updateStyle((JPanel) pce.getSource());
138 }
139 }
140 }
|