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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 | } | ||