1 /*
2 * Copyright 2002-2006 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.swing.plaf.synth;
27
28 import javax.swing;
29 import javax.swing.border;
30 import javax.swing.event;
31 import javax.swing.plaf;
32 import javax.swing.plaf.basic;
33 import javax.swing.text.Position;
34
35 import java.awt;
36 import java.awt.event;
37 import java.awt.datatransfer.Transferable;
38 import java.awt.dnd;
39
40 import java.util.ArrayList;
41 import java.util.TooManyListenersException;
42
43 import java.beans.PropertyChangeListener;
44 import java.beans.PropertyChangeEvent;
45 import sun.swing.plaf.synth.SynthUI;
46
47 /**
48 * Synth's ListUI.
49 *
50 * @author Scott Violet
51 */
52 class SynthListUI extends BasicListUI implements PropertyChangeListener,
53 SynthUI {
54 private SynthStyle style;
55 private boolean useListColors;
56 private boolean useUIBorder;
57
58 public static ComponentUI createUI(JComponent list) {
59 return new SynthListUI();
60 }
61
62 public void update(Graphics g, JComponent c) {
63 SynthContext context = getContext(c);
64
65 SynthLookAndFeel.update(context, g);
66 context.getPainter().paintListBackground(context,
67 g, 0, 0, c.getWidth(), c.getHeight());
68 context.dispose();
69 paint(g, c);
70 }
71
72 public void paintBorder(SynthContext context, Graphics g, int x,
73 int y, int w, int h) {
74 context.getPainter().paintListBorder(context, g, x, y, w, h);
75 }
76
77 protected void installListeners() {
78 super.installListeners();
79 list.addPropertyChangeListener(this);
80 }
81
82 public void propertyChange(PropertyChangeEvent e) {
83 if (SynthLookAndFeel.shouldUpdateStyle(e)) {
84 updateStyle((JList)e.getSource());
85 }
86 }
87
88 protected void uninstallListeners() {
89 super.uninstallListeners();
90 list.removePropertyChangeListener(this);
91 }
92
93 protected void installDefaults() {
94 if (list.getCellRenderer() == null ||
95 (list.getCellRenderer() instanceof UIResource)) {
96 list.setCellRenderer(new SynthListCellRenderer());
97 }
98 updateStyle(list);
99 }
100
101 private void updateStyle(JComponent c) {
102 SynthContext context = getContext(list, ENABLED);
103 SynthStyle oldStyle = style;
104
105 style = SynthLookAndFeel.updateStyle(context, this);
106
107 if (style != oldStyle) {
108 context.setComponentState(SELECTED);
109 Color sbg = list.getSelectionBackground();
110 if (sbg == null || sbg instanceof UIResource) {
111 list.setSelectionBackground(style.getColor(
112 context, ColorType.TEXT_BACKGROUND));
113 }
114
115 Color sfg = list.getSelectionForeground();
116 if (sfg == null || sfg instanceof UIResource) {
117 list.setSelectionForeground(style.getColor(
118 context, ColorType.TEXT_FOREGROUND));
119 }
120
121 useListColors = style.getBoolean(context,
122 "List.rendererUseListColors", true);
123 useUIBorder = style.getBoolean(context,
124 "List.rendererUseUIBorder", true);
125
126 int height = style.getInt(context, "List.cellHeight", -1);
127 if (height != -1) {
128 list.setFixedCellHeight(height);
129 }
130 if (oldStyle != null) {
131 uninstallKeyboardActions();
132 installKeyboardActions();
133 }
134 }
135 context.dispose();
136 }
137
138 protected void uninstallDefaults() {
139 super.uninstallDefaults();
140
141 SynthContext context = getContext(list, ENABLED);
142
143 style.uninstallDefaults(context);
144 context.dispose();
145 style = null;
146 }
147
148 public SynthContext getContext(JComponent c) {
149 return getContext(c, getComponentState(c));
150 }
151
152 private SynthContext getContext(JComponent c, int state) {
153 return SynthContext.getContext(SynthContext.class, c,
154 SynthLookAndFeel.getRegion(c), style, state);
155 }
156
157 private Region getRegion(JComponent c) {
158 return SynthLookAndFeel.getRegion(c);
159 }
160
161 private int getComponentState(JComponent c) {
162 return SynthLookAndFeel.getComponentState(c);
163 }
164
165
166 private class SynthListCellRenderer extends DefaultListCellRenderer.UIResource {
167 public String getName() {
168 return "List.cellRenderer";
169 }
170
171 public void setBorder(Border b) {
172 if (useUIBorder || b instanceof SynthBorder) {
173 super.setBorder(b);
174 }
175 }
176
177 public Component getListCellRendererComponent(JList list, Object value,
178 int index, boolean isSelected, boolean cellHasFocus) {
179 if (!useListColors && (isSelected || cellHasFocus)) {
180 SynthLookAndFeel.setSelectedUI((SynthLabelUI)SynthLookAndFeel.
181 getUIOfType(getUI(), SynthLabelUI.class),
182 isSelected, cellHasFocus, list.isEnabled(), false);
183 }
184 else {
185 SynthLookAndFeel.resetSelectedUI();
186 }
187
188 super.getListCellRendererComponent(list, value, index,
189 isSelected, cellHasFocus);
190 return this;
191 }
192
193 public void paint(Graphics g) {
194 super.paint(g);
195 SynthLookAndFeel.resetSelectedUI();
196 }
197 }
198 }
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