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