J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2002-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.swing.plaf.synth; |
| 27 | |
| 28 | import java.awt.*; |
| 29 | import java.awt.event.*; |
| 30 | import java.lang.reflect.*; |
| 31 | import javax.swing.*; |
| 32 | import javax.accessibility.*; |
| 33 | import javax.swing.FocusManager; |
| 34 | import javax.swing.plaf.*; |
| 35 | import javax.swing.border.*; |
| 36 | import javax.swing.text.*; |
| 37 | import javax.swing.event.*; |
| 38 | import javax.swing.plaf.basic.*; |
| 39 | import java.beans.PropertyChangeListener; |
| 40 | import java.beans.PropertyChangeEvent; |
| 41 | import sun.awt.AppContext; |
| 42 | import sun.swing.plaf.synth.SynthUI; |
| 43 | |
| 44 | /** |
| 45 | * Synth's ComboBoxUI. |
| 46 | * |
| 47 | * @author Scott Violet |
| 48 | */ |
| 49 | class SynthComboBoxUI extends BasicComboBoxUI implements |
| 50 | PropertyChangeListener, SynthUI { |
| 51 | private SynthStyle style; |
| 52 | private boolean useListColors; |
| 53 | |
| 54 | public static ComponentUI createUI(JComponent c) { |
| 55 | return new SynthComboBoxUI(); |
| 56 | } |
| 57 | |
| 58 | protected void installDefaults() { |
| 59 | updateStyle(comboBox); |
| 60 | } |
| 61 | |
| 62 | private void updateStyle(JComboBox comboBox) { |
| 63 | SynthStyle oldStyle = style; |
| 64 | SynthContext context = getContext(comboBox, ENABLED); |
| 65 | |
| 66 | style = SynthLookAndFeel.updateStyle(context, this); |
| 67 | if (style != oldStyle) { |
| 68 | useListColors = style.getBoolean(context, |
| 69 | "ComboBox.rendererUseListColors", true); |
| 70 | if (oldStyle != null) { |
| 71 | uninstallKeyboardActions(); |
| 72 | installKeyboardActions(); |
| 73 | } |
| 74 | } |
| 75 | context.dispose(); |
| 76 | |
| 77 | if(listBox != null) { |
| 78 | SynthLookAndFeel.updateStyles(listBox); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | protected void installListeners() { |
| 83 | comboBox.addPropertyChangeListener(this); |
| 84 | super.installListeners(); |
| 85 | } |
| 86 | |
| 87 | protected void uninstallDefaults() { |
| 88 | SynthContext context = getContext(comboBox, ENABLED); |
| 89 | |
| 90 | style.uninstallDefaults(context); |
| 91 | context.dispose(); |
| 92 | style = null; |
| 93 | } |
| 94 | |
| 95 | protected void uninstallListeners() { |
| 96 | comboBox.removePropertyChangeListener(this); |
| 97 | super.uninstallListeners(); |
| 98 | } |
| 99 | |
| 100 | public SynthContext getContext(JComponent c) { |
| 101 | return getContext(c, getComponentState(c)); |
| 102 | } |
| 103 | |
| 104 | private SynthContext getContext(JComponent c, int state) { |
| 105 | return SynthContext.getContext(SynthContext.class, c, |
| 106 | SynthLookAndFeel.getRegion(c), style, state); |
| 107 | } |
| 108 | |
| 109 | private Region getRegion(JComponent c) { |
| 110 | return SynthLookAndFeel.getRegion(c); |
| 111 | } |
| 112 | |
| 113 | private int getComponentState(JComponent c) { |
| 114 | return SynthLookAndFeel.getComponentState(c); |
| 115 | } |
| 116 | |
| 117 | protected ComboPopup createPopup() { |
| 118 | SynthComboPopup popup = new SynthComboPopup( comboBox ); |
| 119 | return popup; |
| 120 | } |
| 121 | |
| 122 | protected ListCellRenderer createRenderer() { |
| 123 | return new SynthComboBoxRenderer(); |
| 124 | } |
| 125 | |
| 126 | protected ComboBoxEditor createEditor() { |
| 127 | return new SynthComboBoxEditor(); |
| 128 | } |
| 129 | |
| 130 | // |
| 131 | // end UI Initialization |
| 132 | //====================== |
| 133 | |
| 134 | |
| 135 | public void propertyChange(PropertyChangeEvent e) { |
| 136 | if (SynthLookAndFeel.shouldUpdateStyle(e)) { |
| 137 | updateStyle(comboBox); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | protected JButton createArrowButton() { |
| 142 | SynthArrowButton button = new SynthArrowButton(SwingConstants.SOUTH); |
| 143 | button.setName("ComboBox.arrowButton"); |
| 144 | return button; |
| 145 | } |
| 146 | |
| 147 | //================================= |
| 148 | // begin ComponentUI Implementation |
| 149 | |
| 150 | public void update(Graphics g, JComponent c) { |
| 151 | SynthContext context = getContext(c); |
| 152 | |
| 153 | SynthLookAndFeel.update(context, g); |
| 154 | context.getPainter().paintComboBoxBackground(context, g, 0, 0, |
| 155 | c.getWidth(), c.getHeight()); |
| 156 | paint(context, g); |
| 157 | context.dispose(); |
| 158 | } |
| 159 | |
| 160 | public void paint(Graphics g, JComponent c) { |
| 161 | SynthContext context = getContext(c); |
| 162 | |
| 163 | paint(context, g); |
| 164 | context.dispose(); |
| 165 | } |
| 166 | |
| 167 | protected void paint(SynthContext context, Graphics g) { |
| 168 | hasFocus = comboBox.hasFocus(); |
| 169 | if ( !comboBox.isEditable() ) { |
| 170 | Rectangle r = rectangleForCurrentValue(); |
| 171 | paintCurrentValue(g,r,hasFocus); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | public void paintBorder(SynthContext context, Graphics g, int x, |
| 176 | int y, int w, int h) { |
| 177 | context.getPainter().paintComboBoxBorder(context, g, x, y, w, h); |
| 178 | } |
| 179 | |
| 180 | |
| 181 | /** |
| 182 | * Paints the currently selected item. |
| 183 | */ |
| 184 | public void paintCurrentValue(Graphics g,Rectangle bounds,boolean hasFocus) { |
| 185 | ListCellRenderer renderer = comboBox.getRenderer(); |
| 186 | Component c; |
| 187 | |
| 188 | if ( hasFocus && !isPopupVisible(comboBox) ) { |
| 189 | c = renderer.getListCellRendererComponent( listBox, |
| 190 | comboBox.getSelectedItem(), |
| 191 | -1, |
| 192 | false, |
| 193 | false ); |
| 194 | } |
| 195 | else { |
| 196 | c = renderer.getListCellRendererComponent( listBox, |
| 197 | comboBox.getSelectedItem(), |
| 198 | -1, |
| 199 | false, |
| 200 | false ); |
| 201 | } |
| 202 | // Fix for 4238829: should lay out the JPanel. |
| 203 | boolean shouldValidate = false; |
| 204 | if (c instanceof JPanel) { |
| 205 | shouldValidate = true; |
| 206 | } |
| 207 | |
| 208 | if (c instanceof UIResource) { |
| 209 | c.setName("ComboBox.renderer"); |
| 210 | currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y, |
| 211 | bounds.width,bounds.height, shouldValidate); |
| 212 | } |
| 213 | else { |
| 214 | currentValuePane.paintComponent(g,c,comboBox,bounds.x,bounds.y, |
| 215 | bounds.width,bounds.height, shouldValidate); |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * From BasicComboBoxRenderer v 1.18. |
| 221 | */ |
| 222 | private class SynthComboBoxRenderer extends JLabel implements ListCellRenderer, UIResource { |
| 223 | public SynthComboBoxRenderer() { |
| 224 | super(); |
| 225 | setText(" "); |
| 226 | } |
| 227 | |
| 228 | public String getName() { |
| 229 | // As SynthComboBoxRenderer's are asked for a size BEFORE they |
| 230 | // are parented getName is overriden to force the name to be |
| 231 | // ComboBox.renderer if it isn't set. If we didn't do this the |
| 232 | // wrong style could be used for size calculations. |
| 233 | String name = super.getName(); |
| 234 | if (name == null) { |
| 235 | return "ComboBox.renderer"; |
| 236 | } |
| 237 | return name; |
| 238 | } |
| 239 | |
| 240 | public Component getListCellRendererComponent(JList list, Object value, |
| 241 | int index, boolean isSelected, boolean cellHasFocus) { |
| 242 | setName("ComboBox.listRenderer"); |
| 243 | SynthLookAndFeel.resetSelectedUI(); |
| 244 | if (isSelected) { |
| 245 | setBackground(list.getSelectionBackground()); |
| 246 | setForeground(list.getSelectionForeground()); |
| 247 | if (!useListColors) { |
| 248 | SynthLookAndFeel.setSelectedUI( |
| 249 | (SynthLabelUI)SynthLookAndFeel.getUIOfType(getUI(), |
| 250 | SynthLabelUI.class), isSelected, cellHasFocus, |
| 251 | list.isEnabled(), false); |
| 252 | } |
| 253 | } |
| 254 | else { |
| 255 | setBackground(list.getBackground()); |
| 256 | setForeground(list.getForeground()); |
| 257 | } |
| 258 | |
| 259 | setFont(list.getFont()); |
| 260 | |
| 261 | if (value instanceof Icon) { |
| 262 | setIcon((Icon)value); |
| 263 | setText(""); |
| 264 | } |
| 265 | else { |
| 266 | String text = (value == null) ? " " : value.toString(); |
| 267 | |
| 268 | if ("".equals(text)) { |
| 269 | text = " "; |
| 270 | } |
| 271 | setText(text); |
| 272 | } |
| 273 | |
| 274 | // The renderer component should inherit the enabled and |
| 275 | // orientation state of its parent combobox. This is |
| 276 | // especially needed for GTK comboboxes, where the |
| 277 | // ListCellRenderer's state determines the visual state |
| 278 | // of the combobox. |
| 279 | setEnabled(comboBox.isEnabled()); |
| 280 | setComponentOrientation(comboBox.getComponentOrientation()); |
| 281 | |
| 282 | return this; |
| 283 | } |
| 284 | |
| 285 | public void paint(Graphics g) { |
| 286 | super.paint(g); |
| 287 | SynthLookAndFeel.resetSelectedUI(); |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | |
| 292 | /** |
| 293 | * From BasicCombBoxEditor v 1.24. |
| 294 | */ |
| 295 | private static class SynthComboBoxEditor implements |
| 296 | ComboBoxEditor, UIResource { |
| 297 | protected JTextField editor; |
| 298 | private Object oldValue; |
| 299 | |
| 300 | public SynthComboBoxEditor() { |
| 301 | editor = new JTextField("",9); |
| 302 | editor.setName("ComboBox.textField"); |
| 303 | } |
| 304 | |
| 305 | public Component getEditorComponent() { |
| 306 | return editor; |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Sets the item that should be edited. |
| 311 | * |
| 312 | * @param anObject the displayed value of the editor |
| 313 | */ |
| 314 | public void setItem(Object anObject) { |
| 315 | String text; |
| 316 | |
| 317 | if ( anObject != null ) { |
| 318 | text = anObject.toString(); |
| 319 | oldValue = anObject; |
| 320 | } else { |
| 321 | text = ""; |
| 322 | } |
| 323 | // workaround for 4530952 |
| 324 | if (!text.equals(editor.getText())) { |
| 325 | editor.setText(text); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | public Object getItem() { |
| 330 | Object newValue = editor.getText(); |
| 331 | |
| 332 | if (oldValue != null && !(oldValue instanceof String)) { |
| 333 | // The original value is not a string. Should return the value in it's |
| 334 | // original type. |
| 335 | if (newValue.equals(oldValue.toString())) { |
| 336 | return oldValue; |
| 337 | } else { |
| 338 | // Must take the value from the editor and get the value and cast it to the new type. |
| 339 | Class cls = oldValue.getClass(); |
| 340 | try { |
| 341 | Method method = cls.getMethod("valueOf", new Class[]{String.class}); |
| 342 | newValue = method.invoke(oldValue, new Object[] { editor.getText()}); |
| 343 | } catch (Exception ex) { |
| 344 | // Fail silently and return the newValue (a String object) |
| 345 | } |
| 346 | } |
| 347 | } |
| 348 | return newValue; |
| 349 | } |
| 350 | |
| 351 | public void selectAll() { |
| 352 | editor.selectAll(); |
| 353 | editor.requestFocus(); |
| 354 | } |
| 355 | |
| 356 | public void addActionListener(ActionListener l) { |
| 357 | editor.addActionListener(l); |
| 358 | } |
| 359 | |
| 360 | public void removeActionListener(ActionListener l) { |
| 361 | editor.removeActionListener(l); |
| 362 | } |
| 363 | } |
| 364 | } |