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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2010, 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 javax.swing.*; | |
| 29 | +import javax.swing.colorchooser.*; | |
| 30 | +import javax.swing.event.*; | |
| 31 | +import javax.swing.border.*; | |
| 32 | +import javax.swing.plaf.*; | |
| 33 | +import java.awt.*; | |
| 34 | +import java.awt.event.*; | |
| 35 | +import java.beans.PropertyChangeEvent; | |
| 36 | +import java.beans.PropertyChangeListener; | |
| 37 | + | |
| 38 | +import sun.swing.DefaultLookup; | |
| 39 | + | |
| 40 | +/** | |
| 41 | + * Provides the basic look and feel for a JColorChooser. | |
| 42 | + * <p> | |
| 43 | + * @author Tom Santos | |
| 44 | + * @author Steve Wilson | |
| 45 | + */ | |
| 46 | + | |
| 47 | +public class BasicColorChooserUI extends ColorChooserUI | |
| 48 | +{ | |
| 49 | + /** | |
| 50 | + * JColorChooser this BasicColorChooserUI is installed on. | |
| 51 | + * | |
| 52 | + * @since 1.5 | |
| 53 | + */ | |
| 54 | + protected JColorChooser chooser; | |
| 55 | + | |
| 56 | + JTabbedPane tabbedPane; | |
| 57 | + JPanel singlePanel; | |
| 58 | + | |
| 59 | + JPanel previewPanelHolder; | |
| 60 | + JComponent previewPanel; | |
| 61 | + boolean isMultiPanel = false; | |
| 62 | + private static TransferHandler defaultTransferHandler = new ColorTransferHandler(); | |
| 63 | + | |
| 64 | + protected AbstractColorChooserPanel[] defaultChoosers; | |
| 65 | + | |
| 66 | + protected ChangeListener previewListener; | |
| 67 | + protected PropertyChangeListener propertyChangeListener; | |
| 68 | + private Handler handler; | |
| 69 | + | |
| 70 | + public static ComponentUI createUI(JComponent c) { | |
| 71 | + return new BasicColorChooserUI(); | |
| 72 | + } | |
| 73 | + | |
| 74 | + protected AbstractColorChooserPanel[] createDefaultChoosers() { | |
| 75 | + AbstractColorChooserPanel[] panels = ColorChooserComponentFactory.getDefaultChooserPanels(); | |
| 76 | + return panels; | |
| 77 | + } | |
| 78 | + | |
| 79 | + protected void uninstallDefaultChoosers() { | |
| 80 | + AbstractColorChooserPanel[] choosers = chooser.getChooserPanels(); | |
| 81 | + for( int i = 0 ; i < choosers.length; i++) { | |
| 82 | + chooser.removeChooserPanel( choosers[i] ); | |
| 83 | + } | |
| 84 | + } | |
| 85 | + | |
| 86 | + public void installUI( JComponent c ) { | |
| 87 | + chooser = (JColorChooser)c; | |
| 88 | + | |
| 89 | + super.installUI( c ); | |
| 90 | + | |
| 91 | + installDefaults(); | |
| 92 | + installListeners(); | |
| 93 | + | |
| 94 | + tabbedPane = new JTabbedPane(); | |
| 95 | + tabbedPane.setName("ColorChooser.tabPane"); | |
| 96 | + tabbedPane.setInheritsPopupMenu(true); | |
| 97 | + singlePanel = new JPanel(new CenterLayout()); | |
| 98 | + singlePanel.setName("ColorChooser.panel"); | |
| 99 | + singlePanel.setInheritsPopupMenu(true); | |
| 100 | + | |
| 101 | + chooser.setLayout( new BorderLayout() ); | |
| 102 | + | |
| 103 | + defaultChoosers = createDefaultChoosers(); | |
| 104 | + chooser.setChooserPanels(defaultChoosers); | |
| 105 | + | |
| 106 | + previewPanelHolder = new JPanel(new CenterLayout()); | |
| 107 | + previewPanelHolder.setName("ColorChooser.previewPanelHolder"); | |
| 108 | + | |
| 109 | + if (DefaultLookup.getBoolean(chooser, this, | |
| 110 | + "ColorChooser.showPreviewPanelText", true)) { | |
| 111 | + String previewString = UIManager.getString( | |
| 112 | + "ColorChooser.previewText", chooser.getLocale()); | |
| 113 | + previewPanelHolder.setBorder(new TitledBorder(previewString)); | |
| 114 | + } | |
| 115 | + previewPanelHolder.setInheritsPopupMenu(true); | |
| 116 | + | |
| 117 | + installPreviewPanel(); | |
| 118 | + chooser.applyComponentOrientation(c.getComponentOrientation()); | |
| 119 | + } | |
| 120 | + | |
| 121 | + public void uninstallUI( JComponent c ) { | |
| 122 | + chooser.remove(tabbedPane); | |
| 123 | + chooser.remove(singlePanel); | |
| 124 | + chooser.remove(previewPanelHolder); | |
| 125 | + | |
| 126 | + uninstallDefaultChoosers(); | |
| 127 | + uninstallListeners(); | |
| 128 | + uninstallPreviewPanel(); | |
| 129 | + uninstallDefaults(); | |
| 130 | + | |
| 131 | + previewPanelHolder = null; | |
| 132 | + previewPanel = null; | |
| 133 | + defaultChoosers = null; | |
| 134 | + chooser = null; | |
| 135 | + tabbedPane = null; | |
| 136 | + | |
| 137 | + handler = null; | |
| 138 | + } | |
| 139 | + | |
| 140 | + protected void installPreviewPanel() { | |
| 141 | + JComponent previewPanel = this.chooser.getPreviewPanel(); | |
| 142 | + if (previewPanel == null) { | |
| 143 | + previewPanel = ColorChooserComponentFactory.getPreviewPanel(); | |
| 144 | + } | |
| 145 | + else if (JPanel.class.equals(previewPanel.getClass()) && (0 == previewPanel.getComponentCount())) { | |
| 146 | + previewPanel = null; | |
| 147 | + } | |
| 148 | + this.previewPanel = previewPanel; | |
| 149 | + if (previewPanel != null) { | |
| 150 | + chooser.add(previewPanelHolder, BorderLayout.SOUTH); | |
| 151 | + previewPanel.setForeground(chooser.getColor()); | |
| 152 | + previewPanelHolder.add(previewPanel); | |
| 153 | + previewPanel.addMouseListener(getHandler()); | |
| 154 | + previewPanel.setInheritsPopupMenu(true); | |
| 155 | + } | |
| 156 | + } | |
| 157 | + | |
| 158 | + /** | |
| 159 | + * Removes installed preview panel from the UI delegate. | |
| 160 | + * | |
| 161 | + * @since 1.7 | |
| 162 | + */ | |
| 163 | + protected void uninstallPreviewPanel() { | |
| 164 | + if (this.previewPanel != null) { | |
| 165 | + this.previewPanel.removeMouseListener(getHandler()); | |
| 166 | + this.previewPanelHolder.remove(this.previewPanel); | |
| 167 | + } | |
| 168 | + this.chooser.remove(this.previewPanelHolder); | |
| 169 | + } | |
| 170 | + | |
| 171 | + protected void installDefaults() { | |
| 172 | + LookAndFeel.installColorsAndFont(chooser, "ColorChooser.background", | |
| 173 | + "ColorChooser.foreground", | |
| 174 | + "ColorChooser.font"); | |
| 175 | + LookAndFeel.installProperty(chooser, "opaque", Boolean.TRUE); | |
| 176 | + TransferHandler th = chooser.getTransferHandler(); | |
| 177 | + if (th == null || th instanceof UIResource) { | |
| 178 | + chooser.setTransferHandler(defaultTransferHandler); | |
| 179 | + } | |
| 180 | + } | |
| 181 | + | |
| 182 | + protected void uninstallDefaults() { | |
| 183 | + if (chooser.getTransferHandler() instanceof UIResource) { | |
| 184 | + chooser.setTransferHandler(null); | |
| 185 | + } | |
| 186 | + } | |
| 187 | + | |
| 188 | + | |
| 189 | + protected void installListeners() { | |
| 190 | + propertyChangeListener = createPropertyChangeListener(); | |
| 191 | + chooser.addPropertyChangeListener( propertyChangeListener ); | |
| 192 | + | |
| 193 | + previewListener = getHandler(); | |
| 194 | + chooser.getSelectionModel().addChangeListener(previewListener); | |
| 195 | + } | |
| 196 | + | |
| 197 | + private Handler getHandler() { | |
| 198 | + if (handler == null) { | |
| 199 | + handler = new Handler(); | |
| 200 | + } | |
| 201 | + return handler; | |
| 202 | + } | |
| 203 | + | |
| 204 | + protected PropertyChangeListener createPropertyChangeListener() { | |
| 205 | + return getHandler(); | |
| 206 | + } | |
| 207 | + | |
| 208 | + protected void uninstallListeners() { | |
| 209 | + chooser.removePropertyChangeListener( propertyChangeListener ); | |
| 210 | + chooser.getSelectionModel().removeChangeListener(previewListener); | |
| 211 | + previewListener = null; | |
| 212 | + } | |
| 213 | + | |
| 214 | + private void selectionChanged(ColorSelectionModel model) { | |
| 215 | + JComponent previewPanel = this.chooser.getPreviewPanel(); | |
| 216 | + if (previewPanel != null) { | |
| 217 | + previewPanel.setForeground(model.getSelectedColor()); | |
| 218 | + previewPanel.repaint(); | |
| 219 | + } | |
| 220 | + AbstractColorChooserPanel[] panels = this.chooser.getChooserPanels(); | |
| 221 | + if (panels != null) { | |
| 222 | + for (AbstractColorChooserPanel panel : panels) { | |
| 223 | + if (panel != null) { | |
| 224 | + panel.updateChooser(); | |
| 225 | + } | |
| 226 | + } | |
| 227 | + } | |
| 228 | + } | |
| 229 | + | |
| 230 | + private class Handler implements ChangeListener, MouseListener, | |
| 231 | + PropertyChangeListener { | |
| 232 | + // | |
| 233 | + // ChangeListener | |
| 234 | + // | |
| 235 | + public void stateChanged(ChangeEvent evt) { | |
| 236 | + selectionChanged((ColorSelectionModel) evt.getSource()); | |
| 237 | + } | |
| 238 | + | |
| 239 | + // | |
| 240 | + // MouseListener | |
| 241 | + public void mousePressed(MouseEvent evt) { | |
| 242 | + if (chooser.getDragEnabled()) { | |
| 243 | + TransferHandler th = chooser.getTransferHandler(); | |
| 244 | + th.exportAsDrag(chooser, evt, TransferHandler.COPY); | |
| 245 | + } | |
| 246 | + } | |
| 247 | + public void mouseReleased(MouseEvent evt) {} | |
| 248 | + public void mouseClicked(MouseEvent evt) {} | |
| 249 | + public void mouseEntered(MouseEvent evt) {} | |
| 250 | + public void mouseExited(MouseEvent evt) {} | |
| 251 | + | |
| 252 | + // | |
| 253 | + // PropertyChangeListener | |
| 254 | + // | |
| 255 | + public void propertyChange(PropertyChangeEvent evt) { | |
| 256 | + String prop = evt.getPropertyName(); | |
| 257 | + | |
| 258 | + if (prop == JColorChooser.CHOOSER_PANELS_PROPERTY) { | |
| 259 | + AbstractColorChooserPanel[] oldPanels = | |
| 260 | + (AbstractColorChooserPanel[])evt.getOldValue(); | |
| 261 | + AbstractColorChooserPanel[] newPanels = | |
| 262 | + (AbstractColorChooserPanel[])evt.getNewValue(); | |
| 263 | + | |
| 264 | + for (int i = 0; i < oldPanels.length; i++) { // remove old panels | |
| 265 | + Container wrapper = oldPanels[i].getParent(); | |
| 266 | + if (wrapper != null) { | |
| 267 | + Container parent = wrapper.getParent(); | |
| 268 | + if (parent != null) | |
| 269 | + parent.remove(wrapper); // remove from hierarchy | |
| 270 | + oldPanels[i].uninstallChooserPanel(chooser); // uninstall | |
| 271 | + } | |
| 272 | + } | |
| 273 | + | |
| 274 | + int numNewPanels = newPanels.length; | |
| 275 | + if (numNewPanels == 0) { // removed all panels and added none | |
| 276 | + chooser.remove(tabbedPane); | |
| 277 | + return; | |
| 278 | + } | |
| 279 | + else if (numNewPanels == 1) { // one panel case | |
| 280 | + chooser.remove(tabbedPane); | |
| 281 | + JPanel centerWrapper = new JPanel( new CenterLayout() ); | |
| 282 | + centerWrapper.setInheritsPopupMenu(true); | |
| 283 | + centerWrapper.add(newPanels[0]); | |
| 284 | + singlePanel.add(centerWrapper, BorderLayout.CENTER); | |
| 285 | + chooser.add(singlePanel); | |
| 286 | + } | |
| 287 | + else { // multi-panel case | |
| 288 | + if ( oldPanels.length < 2 ) {// moving from single to multiple | |
| 289 | + chooser.remove(singlePanel); | |
| 290 | + chooser.add(tabbedPane, BorderLayout.CENTER); | |
| 291 | + } | |
| 292 | + | |
| 293 | + for (int i = 0; i < newPanels.length; i++) { | |
| 294 | + JPanel centerWrapper = new JPanel( new CenterLayout() ); | |
| 295 | + centerWrapper.setInheritsPopupMenu(true); | |
| 296 | + String name = newPanels[i].getDisplayName(); | |
| 297 | + int mnemonic = newPanels[i].getMnemonic(); | |
| 298 | + centerWrapper.add(newPanels[i]); | |
| 299 | + tabbedPane.addTab(name, centerWrapper); | |
| 300 | + if (mnemonic > 0) { | |
| 301 | + tabbedPane.setMnemonicAt(i, mnemonic); | |
| 302 | + int index = newPanels[i].getDisplayedMnemonicIndex(); | |
| 303 | + if (index >= 0) { | |
| 304 | + tabbedPane.setDisplayedMnemonicIndexAt(i, index); | |
| 305 | + } | |
| 306 | + } | |
| 307 | + } | |
| 308 | + } | |
| 309 | + chooser.applyComponentOrientation(chooser.getComponentOrientation()); | |
| 310 | + for (int i = 0; i < newPanels.length; i++) { | |
| 311 | + newPanels[i].installChooserPanel(chooser); | |
| 312 | + } | |
| 313 | + } | |
| 314 | + else if (prop == JColorChooser.PREVIEW_PANEL_PROPERTY) { | |
| 315 | + uninstallPreviewPanel(); | |
| 316 | + installPreviewPanel(); | |
| 317 | + } | |
| 318 | + else if (prop == JColorChooser.SELECTION_MODEL_PROPERTY) { | |
| 319 | + ColorSelectionModel oldModel = (ColorSelectionModel) evt.getOldValue(); | |
| 320 | + oldModel.removeChangeListener(previewListener); | |
| 321 | + ColorSelectionModel newModel = (ColorSelectionModel) evt.getNewValue(); | |
| 322 | + newModel.addChangeListener(previewListener); | |
| 323 | + selectionChanged(newModel); | |
| 324 | + } | |
| 325 | + else if (prop == "componentOrientation") { | |
| 326 | + ComponentOrientation o = | |
| 327 | + (ComponentOrientation)evt.getNewValue(); | |
| 328 | + JColorChooser cc = (JColorChooser)evt.getSource(); | |
| 329 | + if (o != (ComponentOrientation)evt.getOldValue()) { | |
| 330 | + cc.applyComponentOrientation(o); | |
| 331 | + cc.updateUI(); | |
| 332 | + } | |
| 333 | + } | |
| 334 | + } | |
| 335 | + } | |
| 336 | + | |
| 337 | + /** | |
| 338 | + * This class should be treated as a "protected" inner class. | |
| 339 | + * Instantiate it only within subclasses of {@code BasicColorChooserUI}. | |
| 340 | + */ | |
| 341 | + public class PropertyHandler implements PropertyChangeListener { | |
| 342 | + public void propertyChange(PropertyChangeEvent e) { | |
| 343 | + getHandler().propertyChange(e); | |
| 344 | + } | |
| 345 | + } | |
| 346 | + | |
| 347 | + static class ColorTransferHandler extends TransferHandler implements UIResource { | |
| 348 | + | |
| 349 | + ColorTransferHandler() { | |
| 350 | + super("color"); | |
| 351 | + } | |
| 352 | + } | |
| 353 | +} | |