001/* MetalRadioButtonUI.java 002 Copyright (C) 2005, 2006, Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.swing.plaf.metal; 040 041import java.awt.Color; 042import java.awt.Dimension; 043import java.awt.Graphics; 044import java.awt.Rectangle; 045 046import javax.swing.AbstractButton; 047import javax.swing.JComponent; 048import javax.swing.JRadioButton; 049import javax.swing.UIManager; 050import javax.swing.plaf.ComponentUI; 051import javax.swing.plaf.basic.BasicRadioButtonUI; 052 053 054/** 055 * A UI delegate for the {@link JRadioButton} component. 056 */ 057public 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}