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 package javax.swing.plaf.synth;
026
027 import javax.swing.*;
028 import javax.swing.event.*;
029 import java.awt.Color;
030 import java.awt.Component;
031 import java.awt.Container;
032 import java.awt.Dimension;
033 import java.awt.Graphics;
034 import java.awt.Insets;
035 import java.awt.Point;
036 import java.awt.Rectangle;
037 import java.awt.event.*;
038 import java.beans.PropertyChangeEvent;
039 import java.beans.PropertyChangeListener;
040
041 import javax.swing.border.*;
042 import javax.swing.plaf.*;
043 import javax.swing.plaf.basic.*;
044 import sun.swing.plaf.synth.SynthUI;
045
046 /**
047 * Synth's MenuBarUI.
048 *
049 * @version 1.17, 05/05/07
050 * @author Scott Violet
051 */
052 class SynthMenuBarUI extends BasicMenuBarUI implements
053 PropertyChangeListener, SynthUI {
054 private SynthStyle style;
055
056 public static ComponentUI createUI(JComponent x) {
057 return new SynthMenuBarUI();
058 }
059
060 protected void installDefaults() {
061 if (menuBar.getLayout() == null
062 || menuBar.getLayout() instanceof UIResource) {
063 menuBar.setLayout(new DefaultMenuLayout(menuBar,
064 BoxLayout.LINE_AXIS));
065 }
066 updateStyle(menuBar);
067 }
068
069 protected void installListeners() {
070 super .installListeners();
071 menuBar.addPropertyChangeListener(this );
072 }
073
074 private void updateStyle(JMenuBar c) {
075 SynthContext context = getContext(c, ENABLED);
076 SynthStyle oldStyle = style;
077 style = SynthLookAndFeel.updateStyle(context, this );
078 if (style != oldStyle) {
079 if (oldStyle != null) {
080 uninstallKeyboardActions();
081 installKeyboardActions();
082 }
083 }
084 context.dispose();
085 }
086
087 protected void uninstallDefaults() {
088 SynthContext context = getContext(menuBar, ENABLED);
089
090 style.uninstallDefaults(context);
091 context.dispose();
092 style = null;
093 }
094
095 protected void uninstallListeners() {
096 super .uninstallListeners();
097 menuBar.removePropertyChangeListener(this );
098 }
099
100 public SynthContext getContext(JComponent c) {
101 return getContext(c, getComponentState(c));
102 }
103
104 private SynthContext getContext(JComponent c, int state) {
105 return SynthContext.getContext(SynthContext.class, c,
106 SynthLookAndFeel.getRegion(c), style, state);
107 }
108
109 private Region getRegion(JComponent c) {
110 return SynthLookAndFeel.getRegion(c);
111 }
112
113 private int getComponentState(JComponent c) {
114 return SynthLookAndFeel.getComponentState(c);
115 }
116
117 public void update(Graphics g, JComponent c) {
118 SynthContext context = getContext(c);
119
120 SynthLookAndFeel.update(context, g);
121 context.getPainter().paintMenuBarBackground(context, g, 0, 0,
122 c.getWidth(), c.getHeight());
123 paint(context, g);
124 context.dispose();
125 }
126
127 public void paint(Graphics g, JComponent c) {
128 SynthContext context = getContext(c);
129
130 paint(context, g);
131 context.dispose();
132 }
133
134 protected void paint(SynthContext context, Graphics g) {
135 }
136
137 public void paintBorder(SynthContext context, Graphics g, int x,
138 int y, int w, int h) {
139 context.getPainter().paintMenuBarBorder(context, g, x, y, w, h);
140 }
141
142 public void propertyChange(PropertyChangeEvent e) {
143 if (SynthLookAndFeel.shouldUpdateStyle(e)) {
144 updateStyle((JMenuBar) e.getSource());
145 }
146 }
147 }
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