1 /*
2 * Copyright (c) 1998, 2014, 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™
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 @SuppressWarnings("serial") // Same-version serialization only
57 public class MetalRadioButtonUI extends BasicRadioButtonUI {
58
59 private static final Object METAL_RADIO_BUTTON_UI_KEY = new Object();
60
61 /**
62 * The color of the focused radio button.
63 */
64 protected Color focusColor;
65
66 /**
67 * The color of the selected radio button.
68 */
69 protected Color selectColor;
70
71 /**
72 * The color of a disabled text.
73 */
74 protected Color disabledTextColor;
75
76 private boolean defaults_initialized = false;
77
78 // ********************************
79 // Create PlAF
80 // ********************************
81
82 /**
83 * Returns an instance of {@code MetalRadioButtonUI}.
84 *
85 * @param c a component
86 * @return an instance of {@code MetalRadioButtonUI}
87 */
88 public static ComponentUI createUI(JComponent c) {
89 AppContext appContext = AppContext.getAppContext();
90 MetalRadioButtonUI metalRadioButtonUI =
91 (MetalRadioButtonUI) appContext.get(METAL_RADIO_BUTTON_UI_KEY);
92 if (metalRadioButtonUI == null) {
93 metalRadioButtonUI = new MetalRadioButtonUI();
94 appContext.put(METAL_RADIO_BUTTON_UI_KEY, metalRadioButtonUI);
95 }
96 return metalRadioButtonUI;
97 }
98
99 // ********************************
100 // Install Defaults
101 // ********************************
102 public void installDefaults(AbstractButton b) {
103 super.installDefaults(b);
104 if(!defaults_initialized) {
105 focusColor = UIManager.getColor(getPropertyPrefix() + "focus");
106 selectColor = UIManager.getColor(getPropertyPrefix() + "select");
107 disabledTextColor = UIManager.getColor(getPropertyPrefix() + "disabledText");
108 defaults_initialized = true;
109 }
110 LookAndFeel.installProperty(b, "opaque", Boolean.TRUE);
111 }
112
113 protected void uninstallDefaults(AbstractButton b) {
114 super.uninstallDefaults(b);
115 defaults_initialized = false;
116 }
117
118 // ********************************
119 // Default Accessors
120 // ********************************
121
122 /**
123 * Returns the color of the selected {@code JRadioButton}.
124 *
125 * @return the color of the selected {@code JRadioButton}
126 */
127 protected Color getSelectColor() {
128 return selectColor;
129 }
130
131 /**
132 * Returns the color of the disabled text.
133 *
134 * @return the color of the disabled text
135 */
136 protected Color getDisabledTextColor() {
137 return disabledTextColor;
138 }
139
140 /**
141 * Returns the color of the focused {@code JRadioButton}.
142 *
143 * @return the color of the focused {@code JRadioButton}
144 */
145 protected Color getFocusColor() {
146 return focusColor;
147 }
148
149
150 // ********************************
151 // Paint Methods
152 // ********************************
153 public synchronized void paint(Graphics g, JComponent c) {
154
155 AbstractButton b = (AbstractButton) c;
156 ButtonModel model = b.getModel();
157
158 Dimension size = c.getSize();
159
160 int w = size.width;
161 int h = size.height;
162
163 Font f = c.getFont();
164 g.setFont(f);
165 FontMetrics fm = SwingUtilities2.getFontMetrics(c, g, f);
166
167 Rectangle viewRect = new Rectangle(size);
168 Rectangle iconRect = new Rectangle();
169 Rectangle textRect = new Rectangle();
170
171 Insets i = c.getInsets();
172 viewRect.x += i.left;
173 viewRect.y += i.top;
174 viewRect.width -= (i.right + viewRect.x);
175 viewRect.height -= (i.bottom + viewRect.y);
176
177 Icon altIcon = b.getIcon();
178 Icon selectedIcon = null;
179 Icon disabledIcon = null;
180
181 String text = SwingUtilities.layoutCompoundLabel(
182 c, fm, b.getText(), altIcon != null ? altIcon : getDefaultIcon(),
183 b.getVerticalAlignment(), b.getHorizontalAlignment(),
184 b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
185 viewRect, iconRect, textRect, b.getIconTextGap());
186
187 // fill background
188 if(c.isOpaque()) {
189 g.setColor(b.getBackground());
190 g.fillRect(0,0, size.width, size.height);
191 }
192
193
194 // Paint the radio button
195 if(altIcon != null) {
196
197 if(!model.isEnabled()) {
198 if(model.isSelected()) {
199 altIcon = b.getDisabledSelectedIcon();
200 } else {
201 altIcon = b.getDisabledIcon();
202 }
203 } else if(model.isPressed() && model.isArmed()) {
204 altIcon = b.getPressedIcon();
205 if(altIcon == null) {
206 // Use selected icon
207 altIcon = b.getSelectedIcon();
208 }
209 } else if(model.isSelected()) {
210 if(b.isRolloverEnabled() && model.isRollover()) {
211 altIcon = b.getRolloverSelectedIcon();
212 if (altIcon == null) {
213 altIcon = b.getSelectedIcon();
214 }
215 } else {
216 altIcon = b.getSelectedIcon();
217 }
218 } else if(b.isRolloverEnabled() && model.isRollover()) {
219 altIcon = b.getRolloverIcon();
220 }
221
222 if(altIcon == null) {
223 altIcon = b.getIcon();
224 }
225
226 altIcon.paintIcon(c, g, iconRect.x, iconRect.y);
227
228 } else {
229 getDefaultIcon().paintIcon(c, g, iconRect.x, iconRect.y);
230 }
231
232
233 // Draw the Text
234 if(text != null) {
235 View v = (View) c.getClientProperty(BasicHTML.propertyKey);
236 if (v != null) {
237 v.paint(g, textRect);
238 } else {
239 int mnemIndex = b.getDisplayedMnemonicIndex();
240 if(model.isEnabled()) {
241 // *** paint the text normally
242 g.setColor(b.getForeground());
243 } else {
244 // *** paint the text disabled
245 g.setColor(getDisabledTextColor());
246 }
247 SwingUtilities2.drawStringUnderlineCharAt(c,g,text,
248 mnemIndex, textRect.x, textRect.y + fm.getAscent());
249 }
250 if(b.hasFocus() && b.isFocusPainted() &&
251 textRect.width > 0 && textRect.height > 0 ) {
252 paintFocus(g,textRect,size);
253 }
254 }
255 }
256
257 protected void paintFocus(Graphics g, Rectangle t, Dimension d){
258 g.setColor(getFocusColor());
259 g.drawRect(t.x-1, t.y-1, t.width+1, t.height+1);
260 }
261 }