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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2008, 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.basic; | |
| 27 | + | |
| 28 | +import java.awt.*; | |
| 29 | +import java.awt.event.*; | |
| 30 | +import javax.swing.*; | |
| 31 | +import javax.swing.border.*; | |
| 32 | +import javax.swing.plaf.*; | |
| 33 | +import javax.swing.text.View; | |
| 34 | +import sun.swing.SwingUtilities2; | |
| 35 | +import sun.awt.AppContext; | |
| 36 | + | |
| 37 | + | |
| 38 | +/** | |
| 39 | + * RadioButtonUI implementation for BasicRadioButtonUI | |
| 40 | + * | |
| 41 | + * @author Jeff Dinkins | |
| 42 | + */ | |
| 43 | +public class BasicRadioButtonUI extends BasicToggleButtonUI | |
| 44 | +{ | |
| 45 | + private static final Object BASIC_RADIO_BUTTON_UI_KEY = new Object(); | |
| 46 | + | |
| 47 | + protected Icon icon; | |
| 48 | + | |
| 49 | + private boolean defaults_initialized = false; | |
| 50 | + | |
| 51 | + private final static String propertyPrefix = "RadioButton" + "."; | |
| 52 | + | |
| 53 | + // ******************************** | |
| 54 | + // Create PLAF | |
| 55 | + // ******************************** | |
| 56 | + public static ComponentUI createUI(JComponent b) { | |
| 57 | + AppContext appContext = AppContext.getAppContext(); | |
| 58 | + BasicRadioButtonUI radioButtonUI = | |
| 59 | + (BasicRadioButtonUI) appContext.get(BASIC_RADIO_BUTTON_UI_KEY); | |
| 60 | + if (radioButtonUI == null) { | |
| 61 | + radioButtonUI = new BasicRadioButtonUI(); | |
| 62 | + appContext.put(BASIC_RADIO_BUTTON_UI_KEY, radioButtonUI); | |
| 63 | + } | |
| 64 | + return radioButtonUI; | |
| 65 | + } | |
| 66 | + | |
| 67 | + protected String getPropertyPrefix() { | |
| 68 | + return propertyPrefix; | |
| 69 | + } | |
| 70 | + | |
| 71 | + // ******************************** | |
| 72 | + // Install PLAF | |
| 73 | + // ******************************** | |
| 74 | + protected void installDefaults(AbstractButton b){ | |
| 75 | + super.installDefaults(b); | |
| 76 | + if(!defaults_initialized) { | |
| 77 | + icon = UIManager.getIcon(getPropertyPrefix() + "icon"); | |
| 78 | + defaults_initialized = true; | |
| 79 | + } | |
| 80 | + } | |
| 81 | + | |
| 82 | + // ******************************** | |
| 83 | + // Uninstall PLAF | |
| 84 | + // ******************************** | |
| 85 | + protected void uninstallDefaults(AbstractButton b){ | |
| 86 | + super.uninstallDefaults(b); | |
| 87 | + defaults_initialized = false; | |
| 88 | + } | |
| 89 | + | |
| 90 | + public Icon getDefaultIcon() { | |
| 91 | + return icon; | |
| 92 | + } | |
| 93 | + | |
| 94 | + | |
| 95 | + /* These Dimensions/Rectangles are allocated once for all | |
| 96 | + * RadioButtonUI.paint() calls. Re-using rectangles | |
| 97 | + * rather than allocating them in each paint call substantially | |
| 98 | + * reduced the time it took paint to run. Obviously, this | |
| 99 | + * method can't be re-entered. | |
| 100 | + */ | |
| 101 | + private static Dimension size = new Dimension(); | |
| 102 | + private static Rectangle viewRect = new Rectangle(); | |
| 103 | + private static Rectangle iconRect = new Rectangle(); | |
| 104 | + private static Rectangle textRect = new Rectangle(); | |
| 105 | + | |
| 106 | + /** | |
| 107 | + * paint the radio button | |
| 108 | + */ | |
| 109 | + public synchronized void paint(Graphics g, JComponent c) { | |
| 110 | + AbstractButton b = (AbstractButton) c; | |
| 111 | + ButtonModel model = b.getModel(); | |
| 112 | + | |
| 113 | + Font f = c.getFont(); | |
| 114 | + g.setFont(f); | |
| 115 | + FontMetrics fm = SwingUtilities2.getFontMetrics(c, g, f); | |
| 116 | + | |
| 117 | + Insets i = c.getInsets(); | |
| 118 | + size = b.getSize(size); | |
| 119 | + viewRect.x = i.left; | |
| 120 | + viewRect.y = i.top; | |
| 121 | + viewRect.width = size.width - (i.right + viewRect.x); | |
| 122 | + viewRect.height = size.height - (i.bottom + viewRect.y); | |
| 123 | + iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0; | |
| 124 | + textRect.x = textRect.y = textRect.width = textRect.height = 0; | |
| 125 | + | |
| 126 | + Icon altIcon = b.getIcon(); | |
| 127 | + Icon selectedIcon = null; | |
| 128 | + Icon disabledIcon = null; | |
| 129 | + | |
| 130 | + String text = SwingUtilities.layoutCompoundLabel( | |
| 131 | + c, fm, b.getText(), altIcon != null ? altIcon : getDefaultIcon(), | |
| 132 | + b.getVerticalAlignment(), b.getHorizontalAlignment(), | |
| 133 | + b.getVerticalTextPosition(), b.getHorizontalTextPosition(), | |
| 134 | + viewRect, iconRect, textRect, | |
| 135 | + b.getText() == null ? 0 : b.getIconTextGap()); | |
| 136 | + | |
| 137 | + // fill background | |
| 138 | + if(c.isOpaque()) { | |
| 139 | + g.setColor(b.getBackground()); | |
| 140 | + g.fillRect(0,0, size.width, size.height); | |
| 141 | + } | |
| 142 | + | |
| 143 | + | |
| 144 | + // Paint the radio button | |
| 145 | + if(altIcon != null) { | |
| 146 | + | |
| 147 | + if(!model.isEnabled()) { | |
| 148 | + if(model.isSelected()) { | |
| 149 | + altIcon = b.getDisabledSelectedIcon(); | |
| 150 | + } else { | |
| 151 | + altIcon = b.getDisabledIcon(); | |
| 152 | + } | |
| 153 | + } else if(model.isPressed() && model.isArmed()) { | |
| 154 | + altIcon = b.getPressedIcon(); | |
| 155 | + if(altIcon == null) { | |
| 156 | + // Use selected icon | |
| 157 | + altIcon = b.getSelectedIcon(); | |
| 158 | + } | |
| 159 | + } else if(model.isSelected()) { | |
| 160 | + if(b.isRolloverEnabled() && model.isRollover()) { | |
| 161 | + altIcon = b.getRolloverSelectedIcon(); | |
| 162 | + if (altIcon == null) { | |
| 163 | + altIcon = b.getSelectedIcon(); | |
| 164 | + } | |
| 165 | + } else { | |
| 166 | + altIcon = b.getSelectedIcon(); | |
| 167 | + } | |
| 168 | + } else if(b.isRolloverEnabled() && model.isRollover()) { | |
| 169 | + altIcon = b.getRolloverIcon(); | |
| 170 | + } | |
| 171 | + | |
| 172 | + if(altIcon == null) { | |
| 173 | + altIcon = b.getIcon(); | |
| 174 | + } | |
| 175 | + | |
| 176 | + altIcon.paintIcon(c, g, iconRect.x, iconRect.y); | |
| 177 | + | |
| 178 | + } else { | |
| 179 | + getDefaultIcon().paintIcon(c, g, iconRect.x, iconRect.y); | |
| 180 | + } | |
| 181 | + | |
| 182 | + | |
| 183 | + // Draw the Text | |
| 184 | + if(text != null) { | |
| 185 | + View v = (View) c.getClientProperty(BasicHTML.propertyKey); | |
| 186 | + if (v != null) { | |
| 187 | + v.paint(g, textRect); | |
| 188 | + } else { | |
| 189 | + paintText(g, b, textRect, text); | |
| 190 | + } | |
| 191 | + if(b.hasFocus() && b.isFocusPainted() && | |
| 192 | + textRect.width > 0 && textRect.height > 0 ) { | |
| 193 | + paintFocus(g, textRect, size); | |
| 194 | + } | |
| 195 | + } | |
| 196 | + } | |
| 197 | + | |
| 198 | + protected void paintFocus(Graphics g, Rectangle textRect, Dimension size){ | |
| 199 | + } | |
| 200 | + | |
| 201 | + | |
| 202 | + /* These Insets/Rectangles are allocated once for all | |
| 203 | + * RadioButtonUI.getPreferredSize() calls. Re-using rectangles | |
| 204 | + * rather than allocating them in each call substantially | |
| 205 | + * reduced the time it took getPreferredSize() to run. Obviously, | |
| 206 | + * this method can't be re-entered. | |
| 207 | + */ | |
| 208 | + private static Rectangle prefViewRect = new Rectangle(); | |
| 209 | + private static Rectangle prefIconRect = new Rectangle(); | |
| 210 | + private static Rectangle prefTextRect = new Rectangle(); | |
| 211 | + private static Insets prefInsets = new Insets(0, 0, 0, 0); | |
| 212 | + | |
| 213 | + /** | |
| 214 | + * The preferred size of the radio button | |
| 215 | + */ | |
| 216 | + public Dimension getPreferredSize(JComponent c) { | |
| 217 | + if(c.getComponentCount() > 0) { | |
| 218 | + return null; | |
| 219 | + } | |
| 220 | + | |
| 221 | + AbstractButton b = (AbstractButton) c; | |
| 222 | + | |
| 223 | + String text = b.getText(); | |
| 224 | + | |
| 225 | + Icon buttonIcon = b.getIcon(); | |
| 226 | + if(buttonIcon == null) { | |
| 227 | + buttonIcon = getDefaultIcon(); | |
| 228 | + } | |
| 229 | + | |
| 230 | + Font font = b.getFont(); | |
| 231 | + FontMetrics fm = b.getFontMetrics(font); | |
| 232 | + | |
| 233 | + prefViewRect.x = prefViewRect.y = 0; | |
| 234 | + prefViewRect.width = Short.MAX_VALUE; | |
| 235 | + prefViewRect.height = Short.MAX_VALUE; | |
| 236 | + prefIconRect.x = prefIconRect.y = prefIconRect.width = prefIconRect.height = 0; | |
| 237 | + prefTextRect.x = prefTextRect.y = prefTextRect.width = prefTextRect.height = 0; | |
| 238 | + | |
| 239 | + SwingUtilities.layoutCompoundLabel( | |
| 240 | + c, fm, text, buttonIcon, | |
| 241 | + b.getVerticalAlignment(), b.getHorizontalAlignment(), | |
| 242 | + b.getVerticalTextPosition(), b.getHorizontalTextPosition(), | |
| 243 | + prefViewRect, prefIconRect, prefTextRect, | |
| 244 | + text == null ? 0 : b.getIconTextGap()); | |
| 245 | + | |
| 246 | + // find the union of the icon and text rects (from Rectangle.java) | |
| 247 | + int x1 = Math.min(prefIconRect.x, prefTextRect.x); | |
| 248 | + int x2 = Math.max(prefIconRect.x + prefIconRect.width, | |
| 249 | + prefTextRect.x + prefTextRect.width); | |
| 250 | + int y1 = Math.min(prefIconRect.y, prefTextRect.y); | |
| 251 | + int y2 = Math.max(prefIconRect.y + prefIconRect.height, | |
| 252 | + prefTextRect.y + prefTextRect.height); | |
| 253 | + int width = x2 - x1; | |
| 254 | + int height = y2 - y1; | |
| 255 | + | |
| 256 | + prefInsets = b.getInsets(prefInsets); | |
| 257 | + width += prefInsets.left + prefInsets.right; | |
| 258 | + height += prefInsets.top + prefInsets.bottom; | |
| 259 | + return new Dimension(width, height); | |
| 260 | + } | |
| 261 | +} | |