001 /*
002 * Copyright 2002-2006 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 java.beans.*;
030 import javax.swing.*;
031 import javax.swing.border.*;
032 import javax.swing.plaf.*;
033 import javax.swing.plaf.basic.*;
034 import javax.swing.table.*;
035
036 import sun.swing.plaf.synth.*;
037 import sun.swing.table.*;
038
039 /**
040 * SynthTableHeaderUI implementation
041 *
042 * @version 1.24, 05/05/07
043 * @author Alan Chung
044 * @author Philip Milne
045 */
046 class SynthTableHeaderUI extends BasicTableHeaderUI implements
047 PropertyChangeListener, SynthUI {
048
049 //
050 // Instance Variables
051 //
052
053 private TableCellRenderer prevRenderer = null;
054
055 private SynthStyle style;
056
057 public static ComponentUI createUI(JComponent h) {
058 return new SynthTableHeaderUI();
059 }
060
061 protected void installDefaults() {
062 prevRenderer = header.getDefaultRenderer();
063 if (prevRenderer instanceof UIResource) {
064 header.setDefaultRenderer(new HeaderRenderer());
065 }
066 updateStyle(header);
067 }
068
069 private void updateStyle(JTableHeader c) {
070 SynthContext context = getContext(c, ENABLED);
071 SynthStyle oldStyle = style;
072 style = SynthLookAndFeel.updateStyle(context, this );
073 if (style != oldStyle) {
074 if (oldStyle != null) {
075 uninstallKeyboardActions();
076 installKeyboardActions();
077 }
078 }
079 context.dispose();
080 }
081
082 protected void installListeners() {
083 super .installListeners();
084 header.addPropertyChangeListener(this );
085 }
086
087 protected void uninstallDefaults() {
088 if (header.getDefaultRenderer() instanceof HeaderRenderer) {
089 header.setDefaultRenderer(prevRenderer);
090 }
091
092 SynthContext context = getContext(header, ENABLED);
093
094 style.uninstallDefaults(context);
095 context.dispose();
096 style = null;
097 }
098
099 protected void uninstallListeners() {
100 header.removePropertyChangeListener(this );
101 super .uninstallListeners();
102 }
103
104 public void update(Graphics g, JComponent c) {
105 SynthContext context = getContext(c);
106
107 SynthLookAndFeel.update(context, g);
108 context.getPainter().paintTableHeaderBackground(context, g, 0,
109 0, c.getWidth(), c.getHeight());
110 paint(context, g);
111 context.dispose();
112 }
113
114 public void paint(Graphics g, JComponent c) {
115 SynthContext context = getContext(c);
116
117 paint(context, g);
118 context.dispose();
119 }
120
121 protected void paint(SynthContext context, Graphics g) {
122 super .paint(g, context.getComponent());
123 }
124
125 public void paintBorder(SynthContext context, Graphics g, int x,
126 int y, int w, int h) {
127 context.getPainter().paintTableHeaderBorder(context, g, x, y,
128 w, h);
129 }
130
131 //
132 // SynthUI
133 //
134 public SynthContext getContext(JComponent c) {
135 return getContext(c, getComponentState(c));
136 }
137
138 private SynthContext getContext(JComponent c, int state) {
139 return SynthContext.getContext(SynthContext.class, c,
140 SynthLookAndFeel.getRegion(c), style, state);
141 }
142
143 private Region getRegion(JComponent c) {
144 return SynthLookAndFeel.getRegion(c);
145 }
146
147 private int getComponentState(JComponent c) {
148 return SynthLookAndFeel.getComponentState(c);
149 }
150
151 public void propertyChange(PropertyChangeEvent evt) {
152 if (SynthLookAndFeel.shouldUpdateStyle(evt)) {
153 updateStyle((JTableHeader) evt.getSource());
154 }
155 }
156
157 @Override
158 protected void rolloverColumnUpdated(int oldColumn, int newColumn) {
159 header.repaint(header.getHeaderRect(oldColumn));
160 header.repaint(header.getHeaderRect(newColumn));
161 }
162
163 private class HeaderRenderer extends DefaultTableCellHeaderRenderer {
164 HeaderRenderer() {
165 setHorizontalAlignment(JLabel.LEADING);
166 }
167
168 @Override
169 public Component getTableCellRendererComponent(JTable table,
170 Object value, boolean isSelected, boolean hasFocus,
171 int row, int column) {
172
173 boolean hasRollover = (column == getRolloverColumn());
174 if (isSelected || hasRollover || hasFocus) {
175 SynthLookAndFeel.setSelectedUI(
176 (SynthLabelUI) SynthLookAndFeel.getUIOfType(
177 getUI(), SynthLabelUI.class),
178 isSelected, hasFocus, table.isEnabled(),
179 hasRollover);
180 } else {
181 SynthLookAndFeel.resetSelectedUI();
182 }
183
184 super .getTableCellRendererComponent(table, value,
185 isSelected, hasFocus, row, column);
186
187 return this ;
188 }
189
190 public void setBorder(Border border) {
191 if (border instanceof SynthBorder) {
192 super .setBorder(border);
193 }
194 }
195
196 public String getName() {
197 String name = super .getName();
198 if (name == null) {
199 return "TableHeader.renderer";
200 }
201 return name;
202 }
203 }
204 }
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