1 /*
2 * Copyright (c) 1998, 2005, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package javax.swing.plaf.metal;
27
28 import sun.swing.SwingUtilities2;
29 import sun.awt.AppContext;
30
31 import java.awt.*;
32 import java.awt.event.*;
33 import javax.swing.*;
34 import javax.swing.plaf.basic.*;
35 import javax.swing.border.*;
36 import javax.swing.plaf.*;
37 import java.io.Serializable;
38 import javax.swing.text.View;
39
40
41 /**
42 * RadioButtonUI implementation for MetalRadioButtonUI
43 * <p>
44 * <strong>Warning:</strong>
45 * Serialized objects of this class will not be compatible with
46 * future Swing releases. The current serialization support is
47 * appropriate for short term storage or RMI between applications running
48 * the same version of Swing. As of 1.4, support for long term storage
49 * of all JavaBeans<sup><font size="-2">TM</font></sup>
50 * has been added to the <code>java.beans</code> package.
51 * Please see {@link java.beans.XMLEncoder}.
52 *
53 * @author Michael C. Albers (Metal modifications)
54 * @author Jeff Dinkins (original BasicRadioButtonCode)
55 */
56 public class MetalRadioButtonUI extends BasicRadioButtonUI {
57
58 private static final Object METAL_RADIO_BUTTON_UI_KEY = new Object();
59
60 protected Color focusColor;
61 protected Color selectColor;
62 protected Color disabledTextColor;
63
64 private boolean defaults_initialized = false;
65
66 // ********************************
67 // Create PlAF
68 // ********************************
69 public static ComponentUI createUI(JComponent c) {
70 AppContext appContext = AppContext.getAppContext();
71 MetalRadioButtonUI metalRadioButtonUI =
72 (MetalRadioButtonUI) appContext.get(METAL_RADIO_BUTTON_UI_KEY);
73 if (metalRadioButtonUI == null) {
74 metalRadioButtonUI = new MetalRadioButtonUI();
75 appContext.put(METAL_RADIO_BUTTON_UI_KEY, metalRadioButtonUI);
76 }
77 return metalRadioButtonUI;
78 }
79
80 // ********************************
81 // Install Defaults
82 // ********************************
83 public void installDefaults(AbstractButton b) {
84 super.installDefaults(b);
85 if(!defaults_initialized) {
86 focusColor = UIManager.getColor(getPropertyPrefix() + "focus");
87 selectColor = UIManager.getColor(getPropertyPrefix() + "select");
88 disabledTextColor = UIManager.getColor(getPropertyPrefix() + "disabledText");
89 defaults_initialized = true;
90 }
91 LookAndFeel.installProperty(b, "opaque", Boolean.TRUE);
92 }
93
94 protected void uninstallDefaults(AbstractButton b) {
95 super.uninstallDefaults(b);
96 defaults_initialized = false;
97 }
98
99 // ********************************
100 // Default Accessors
101 // ********************************
102 protected Color getSelectColor() {
103 return selectColor;
104 }
105
106 protected Color getDisabledTextColor() {
107 return disabledTextColor;
108 }
109
110 protected Color getFocusColor() {
111 return focusColor;
112 }
113
114
115 // ********************************
116 // Paint Methods
117 // ********************************
118 public synchronized void paint(Graphics g, JComponent c) {
119
120 AbstractButton b = (AbstractButton) c;
121 ButtonModel model = b.getModel();
122
123 Dimension size = c.getSize();
124
125 int w = size.width;
126 int h = size.height;
127
128 Font f = c.getFont();
129 g.setFont(f);
130 FontMetrics fm = SwingUtilities2.getFontMetrics(c, g, f);
131
132 Rectangle viewRect = new Rectangle(size);
133 Rectangle iconRect = new Rectangle();
134 Rectangle textRect = new Rectangle();
135
136 Insets i = c.getInsets();
137 viewRect.x += i.left;
138 viewRect.y += i.top;
139 viewRect.width -= (i.right + viewRect.x);
140 viewRect.height -= (i.bottom + viewRect.y);
141
142 Icon altIcon = b.getIcon();
143 Icon selectedIcon = null;
144 Icon disabledIcon = null;
145
146 String text = SwingUtilities.layoutCompoundLabel(
147 c, fm, b.getText(), altIcon != null ? altIcon : getDefaultIcon(),
148 b.getVerticalAlignment(), b.getHorizontalAlignment(),
149 b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
150 viewRect, iconRect, textRect, b.getIconTextGap());
151
152 // fill background
153 if(c.isOpaque()) {
154 g.setColor(b.getBackground());
155 g.fillRect(0,0, size.width, size.height);
156 }
157
158
159 // Paint the radio button
160 if(altIcon != null) {
161
162 if(!model.isEnabled()) {
163 if(model.isSelected()) {
164 altIcon = b.getDisabledSelectedIcon();
165 } else {
166 altIcon = b.getDisabledIcon();
167 }
168 } else if(model.isPressed() && model.isArmed()) {
169 altIcon = b.getPressedIcon();
170 if(altIcon == null) {
171 // Use selected icon
172 altIcon = b.getSelectedIcon();
173 }
174 } else if(model.isSelected()) {
175 if(b.isRolloverEnabled() && model.isRollover()) {
176 altIcon = b.getRolloverSelectedIcon();
177 if (altIcon == null) {
178 altIcon = b.getSelectedIcon();
179 }
180 } else {
181 altIcon = b.getSelectedIcon();
182 }
183 } else if(b.isRolloverEnabled() && model.isRollover()) {
184 altIcon = b.getRolloverIcon();
185 }
186
187 if(altIcon == null) {
188 altIcon = b.getIcon();
189 }
190
191 altIcon.paintIcon(c, g, iconRect.x, iconRect.y);
192
193 } else {
194 getDefaultIcon().paintIcon(c, g, iconRect.x, iconRect.y);
195 }
196
197
198 // Draw the Text
199 if(text != null) {
200 View v = (View) c.getClientProperty(BasicHTML.propertyKey);
201 if (v != null) {
202 v.paint(g, textRect);
203 } else {
204 int mnemIndex = b.getDisplayedMnemonicIndex();
205 if(model.isEnabled()) {
206 // *** paint the text normally
207 g.setColor(b.getForeground());
208 } else {
209 // *** paint the text disabled
210 g.setColor(getDisabledTextColor());
211 }
212 SwingUtilities2.drawStringUnderlineCharAt(c,g,text,
213 mnemIndex, textRect.x, textRect.y + fm.getAscent());
214 }
215 if(b.hasFocus() && b.isFocusPainted() &&
216 textRect.width > 0 && textRect.height > 0 ) {
217 paintFocus(g,textRect,size);
218 }
219 }
220 }
221
222 protected void paintFocus(Graphics g, Rectangle t, Dimension d){
223 g.setColor(getFocusColor());
224 g.drawRect(t.x-1, t.y-1, t.width+1, t.height+1);
225 }
226 }