001 /* MetalRadioButtonUI.java
002 Copyright (C) 2005, 2006, Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package javax.swing.plaf.metal;
040
041 import java.awt.Color;
042 import java.awt.Dimension;
043 import java.awt.Graphics;
044 import java.awt.Rectangle;
045
046 import javax.swing.AbstractButton;
047 import javax.swing.JComponent;
048 import javax.swing.JRadioButton;
049 import javax.swing.UIManager;
050 import javax.swing.plaf.ComponentUI;
051 import javax.swing.plaf.basic.BasicRadioButtonUI;
052
053
054 /**
055 * A UI delegate for the {@link JRadioButton} component.
056 */
057 public class MetalRadioButtonUI
058 extends BasicRadioButtonUI
059 {
060
061 /** Used to draw the focus rectangle. */
062 protected Color focusColor;
063
064 /** Used to fill the icon when the button is pressed. */
065 protected Color selectColor;
066
067 /** Used to draw disabled text. */
068 protected Color disabledTextColor;
069
070 /**
071 * Constructs a new instance of <code>MetalRadioButtonUI</code>.
072 */
073 public MetalRadioButtonUI()
074 {
075 super();
076 }
077
078 /**
079 * Returns a new instance of <code>MetalRadioButtonUI</code>.
080 *
081 * @param component the component for which we return an UI instance
082 *
083 * @return A new instance of <code>MetalRadioButtonUI</code>.
084 */
085 public static ComponentUI createUI(JComponent component)
086 {
087 return new MetalRadioButtonUI();
088 }
089
090 /**
091 * Sets the default values for the specified button.
092 *
093 * @param b the button.
094 */
095 public void installDefaults(AbstractButton b)
096 {
097 super.installDefaults(b);
098 String prefix = getPropertyPrefix();
099 disabledTextColor = UIManager.getColor(prefix + "disabledText");
100 focusColor = UIManager.getColor(prefix + "focus");
101 selectColor = UIManager.getColor(prefix + "select");
102 }
103
104 /**
105 * Clears any defaults set in the installDefaults() method.
106 *
107 * @param b the {@link JRadioButton}.
108 */
109 protected void uninstallDefaults(AbstractButton b)
110 {
111 super.uninstallDefaults(b);
112 disabledTextColor = null;
113 focusColor = null;
114 selectColor = null;
115 }
116
117 /**
118 * Returns the color used to fill the {@link JRadioButton}'s icon when the
119 * button is pressed. The default color is obtained from the
120 * {@link UIManager} defaults via an entry with the key
121 * <code>RadioButton.select</code>.
122 *
123 * @return The select color.
124 */
125 protected Color getSelectColor()
126 {
127 return selectColor;
128 }
129
130 /**
131 * Returns the color for the {@link JRadioButton}'s text when the button is
132 * disabled. The default color is obtained from the {@link UIManager}
133 * defaults via an entry with the key <code>RadioButton.disabledText</code>.
134 *
135 * @return The disabled text color.
136 */
137 protected Color getDisabledTextColor()
138 {
139 return disabledTextColor;
140 }
141
142 /**
143 * Returns the color used to draw the focus rectangle when the
144 * {@link JRadioButton} has the focus. The default color is obtained from
145 * the {@link UIManager} defaults via an entry with the key
146 * <code>RadioButton.focus</code>.
147 *
148 * @return The color used to draw the focus rectangle.
149 *
150 * @see #paintFocus(Graphics, Rectangle, Dimension)
151 */
152 protected Color getFocusColor()
153 {
154 return focusColor;
155 }
156
157 /**
158 * Paints the {@link JRadioButton}.
159 *
160 * @param g the graphics device.
161 * @param c the component (an instance of {@link JRadioButton}).
162 */
163 public void paint(Graphics g, JComponent c)
164 {
165 super.paint(g, c);
166 // FIXME: disabled text isn't being drawn correctly, it's possible that
167 // it could be done here...
168 }
169
170 /**
171 * Paints the focus rectangle for the {@link JRadioButton}.
172 *
173 * @param g the graphics device.
174 * @param t the bounding rectangle for the text.
175 * @param d ???
176 */
177 protected void paintFocus(Graphics g, Rectangle t, Dimension d)
178 {
179 g.setColor(focusColor);
180 g.drawRect(t.x - 1, t.y - 1, t.width + 1, t.height + 1);
181 }
182
183 }