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 private TextUIDrawing textUIDrawing;
79
80 // ********************************
81 // Create PlAF
82 // ********************************
83
84 /**
85 * Returns an instance of {@code MetalRadioButtonUI}.
86 *
87 * @param c a component
88 * @return an instance of {@code MetalRadioButtonUI}
89 */
90 public static ComponentUI createUI(JComponent c) {
91 AppContext appContext = AppContext.getAppContext();
92 MetalRadioButtonUI metalRadioButtonUI =
93 (MetalRadioButtonUI) appContext.get(METAL_RADIO_BUTTON_UI_KEY);
94 if (metalRadioButtonUI == null) {
95 metalRadioButtonUI = new MetalRadioButtonUI();
96 appContext.put(METAL_RADIO_BUTTON_UI_KEY, metalRadioButtonUI);
97 }
98 return metalRadioButtonUI;
99 }
100
101 // ********************************
102 // Install Defaults
103 // ********************************
104 public void installDefaults(AbstractButton b) {
105 super.installDefaults(b);
106 if(!defaults_initialized) {
107 focusColor = UIManager.getColor(getPropertyPrefix() + "focus");
108 selectColor = UIManager.getColor(getPropertyPrefix() + "select");
109 disabledTextColor = UIManager.getColor(getPropertyPrefix() + "disabledText");
110 defaults_initialized = true;
111 }
112 LookAndFeel.installProperty(b, "opaque", Boolean.TRUE);
113 textUIDrawing = SwingUtilities2.getTextUIDrawing(textUIDrawing);
114 }
115
116 protected void uninstallDefaults(AbstractButton b) {
117 super.uninstallDefaults(b);
118 defaults_initialized = false;
119 if (textUIDrawing != SwingUtilities2.DEFAULT_UI_TEXT_DRAWING
120 && textUIDrawing instanceof UIResource) {
121 textUIDrawing = SwingUtilities2.DEFAULT_UI_TEXT_DRAWING;
122 }
123 }
124
125 // ********************************
126 // Default Accessors
127 // ********************************
128
129 /**
130 * Returns the color of the selected {@code JRadioButton}.
131 *
132 * @return the color of the selected {@code JRadioButton}
133 */
134 protected Color getSelectColor() {
135 return selectColor;
136 }
137
138 /**
139 * Returns the color of the disabled text.
140 *
141 * @return the color of the disabled text
142 */
143 protected Color getDisabledTextColor() {
144 return disabledTextColor;
145 }
146
147 /**
148 * Returns the color of the focused {@code JRadioButton}.
149 *
150 * @return the color of the focused {@code JRadioButton}
151 */
152 protected Color getFocusColor() {
153 return focusColor;
154 }
155
156
157 // ********************************
158 // Paint Methods
159 // ********************************
160 public synchronized void paint(Graphics g, JComponent c) {
161
162 AbstractButton b = (AbstractButton) c;
163 ButtonModel model = b.getModel();
164
165 Dimension size = c.getSize();
166
167 int w = size.width;
168 int h = size.height;
169
170 Font f = c.getFont();
171 g.setFont(f);
172 FontMetrics fm = SwingUtilities2.getFontMetrics(c, g, f);
173
174 Rectangle viewRect = new Rectangle(size);
175 Rectangle iconRect = new Rectangle();
176 Rectangle textRect = new Rectangle();
177
178 Insets i = c.getInsets();
179 viewRect.x += i.left;
180 viewRect.y += i.top;
181 viewRect.width -= (i.right + viewRect.x);
182 viewRect.height -= (i.bottom + viewRect.y);
183
184 Icon altIcon = b.getIcon();
185 Icon selectedIcon = null;
186 Icon disabledIcon = null;
187
188 String text = SwingUtilities.layoutCompoundLabel(
189 c, fm, b.getText(), altIcon != null ? altIcon : getDefaultIcon(),
190 b.getVerticalAlignment(), b.getHorizontalAlignment(),
191 b.getVerticalTextPosition(), b.getHorizontalTextPosition(),
192 viewRect, iconRect, textRect, b.getIconTextGap());
193
194 // fill background
195 if(c.isOpaque()) {
196 g.setColor(b.getBackground());
197 g.fillRect(0,0, size.width, size.height);
198 }
199
200
201 // Paint the radio button
202 if(altIcon != null) {
203
204 if(!model.isEnabled()) {
205 if(model.isSelected()) {
206 altIcon = b.getDisabledSelectedIcon();
207 } else {
208 altIcon = b.getDisabledIcon();
209 }
210 } else if(model.isPressed() && model.isArmed()) {
211 altIcon = b.getPressedIcon();
212 if(altIcon == null) {
213 // Use selected icon
214 altIcon = b.getSelectedIcon();
215 }
216 } else if(model.isSelected()) {
217 if(b.isRolloverEnabled() && model.isRollover()) {
218 altIcon = b.getRolloverSelectedIcon();
219 if (altIcon == null) {
220 altIcon = b.getSelectedIcon();
221 }
222 } else {
223 altIcon = b.getSelectedIcon();
224 }
225 } else if(b.isRolloverEnabled() && model.isRollover()) {
226 altIcon = b.getRolloverIcon();
227 }
228
229 if(altIcon == null) {
230 altIcon = b.getIcon();
231 }
232
233 altIcon.paintIcon(c, g, iconRect.x, iconRect.y);
234
235 } else {
236 getDefaultIcon().paintIcon(c, g, iconRect.x, iconRect.y);
237 }
238
239
240 // Draw the Text
241 if(text != null) {
242 View v = (View) c.getClientProperty(BasicHTML.propertyKey);
243 if (v != null) {
244 v.paint(g, textRect);
245 } else {
246 int mnemIndex = b.getDisplayedMnemonicIndex();
247 if(model.isEnabled()) {
248 // *** paint the text normally
249 g.setColor(b.getForeground());
250 } else {
251 // *** paint the text disabled
252 g.setColor(getDisabledTextColor());
253 }
254 textUIDrawing.drawStringUnderlineCharAt(c,g,text,
255 mnemIndex, textRect.x, textRect.y + fm.getAscent());
256 }
257 if(b.hasFocus() && b.isFocusPainted() &&
258 textRect.width > 0 && textRect.height > 0 ) {
259 paintFocus(g,textRect,size);
260 }
261 }
262 }
263
264 protected void paintFocus(Graphics g, Rectangle t, Dimension d){
265 g.setColor(getFocusColor());
266 g.drawRect(t.x-1, t.y-1, t.width+1, t.height+1);
267 }
268 }