Source Code Cross Referenced for EnhancedTreeCellRenderer.java in  » IDE-Netbeans » cvsclient » org » netbeans » lib » profiler » ui » components » tree » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » cvsclient » org.netbeans.lib.profiler.ui.components.tree 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         * The Original Software is NetBeans. The Initial Developer of the Original
026:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027:         * Microsystems, Inc. All Rights Reserved.
028:         *
029:         * If you wish your version of this file to be governed by only the CDDL
030:         * or only the GPL Version 2, indicate your decision by adding
031:         * "[Contributor] elects to include this software in this distribution
032:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
033:         * single choice of license, a recipient has the option to distribute
034:         * your version of this file under either the CDDL, the GPL Version 2 or
035:         * to extend the choice of license to its licensees as provided above.
036:         * However, if you add GPL Version 2 code and therefore, elected the GPL
037:         * Version 2 license, then the option applies only if the new code is
038:         * made subject to such option by the copyright holder.
039:         */
040:
041:        package org.netbeans.lib.profiler.ui.components.tree;
042:
043:        import org.netbeans.lib.profiler.ui.UIConstants;
044:        import org.netbeans.lib.profiler.ui.components.tree.TreeCellRendererPersistent;
045:        import java.awt.*;
046:        import javax.swing.*;
047:        import javax.swing.plaf.ColorUIResource;
048:        import javax.swing.plaf.FontUIResource;
049:
050:        public class EnhancedTreeCellRenderer extends JPanel implements 
051:                TreeCellRendererPersistent {
052:            //~ Instance fields ----------------------------------------------------------------------------------------------------------
053:
054:            protected Color backgroundNonSelectionColor;
055:            protected Color backgroundSelectionColor = UIConstants.TABLE_SELECTION_BACKGROUND_COLOR;
056:            protected Color borderSelectionColor;
057:            protected Color textNonSelectionColor;
058:
059:            // Colors
060:            protected Color textSelectionColor = UIConstants.TABLE_SELECTION_FOREGROUND_COLOR;
061:            protected boolean hasFocus;
062:            protected boolean selected;
063:
064:            // Icons
065:            private transient Icon closedIcon = UIManager
066:                    .getIcon("Tree.closedIcon"); // NOI18N
067:            private transient Icon leafIcon = UIManager
068:                    .getIcon("Tree.leafIcon"); // NOI18N
069:            private transient Icon openIcon = UIManager
070:                    .getIcon("Tree.openIcon"); // NOI18N
071:            private BorderLayout borderLayout;
072:
073:            // subcomponents
074:            private JLabel label1;
075:            private JLabel label2;
076:            private JLabel label3;
077:            private JTree tree;
078:
079:            //~ Constructors -------------------------------------------------------------------------------------------------------------
080:
081:            /**
082:             * Returns a new instance of DefaultTreeCellRenderer.  Alignment is
083:             * set to left aligned. Icons and text color are determined from the
084:             * UIManager.
085:             */
086:            public EnhancedTreeCellRenderer() {
087:                setOpaque(false);
088:
089:                label1 = new JLabel();
090:                label2 = new JLabel();
091:                label3 = new JLabel();
092:
093:                label2.setFont(label1.getFont().deriveFont(Font.BOLD));
094:
095:                setLayout(borderLayout = new BorderLayout());
096:
097:                JPanel innerPanel = new JPanel();
098:                innerPanel.setOpaque(false);
099:                innerPanel.setLayout(new BorderLayout());
100:
101:                add(label1, BorderLayout.WEST);
102:                add(innerPanel, BorderLayout.CENTER);
103:                innerPanel.add(label2, BorderLayout.WEST);
104:                innerPanel.add(label3, BorderLayout.CENTER);
105:
106:                label1.setHorizontalAlignment(JLabel.LEFT);
107:
108:                setLeafIcon(UIManager.getIcon("Tree.leafIcon")); // NOI18N
109:                setClosedIcon(UIManager.getIcon("Tree.closedIcon")); // NOI18N
110:                setOpenIcon(UIManager.getIcon("Tree.openIcon")); // NOI18N
111:
112:                setTextSelectionColor(UIManager
113:                        .getColor("Tree.selectionForeground")); // NOI18N
114:                setTextNonSelectionColor(UIManager
115:                        .getColor("Tree.textForeground")); // NOI18N
116:                setBackgroundSelectionColor(UIManager
117:                        .getColor("Tree.selectionBackground")); // NOI18N
118:                setBackgroundNonSelectionColor(UIManager
119:                        .getColor("Tree.textBackground")); // NOI18N
120:                setBorderSelectionColor(UIManager
121:                        .getColor("Tree.selectionBorderColor")); // NOI18N
122:            }
123:
124:            //~ Methods ------------------------------------------------------------------------------------------------------------------
125:
126:            /**
127:             * Subclassed to map <code>ColorUIResource</code>s to null. If
128:             * <code>color</code> is null, or a <code>ColorUIResource</code>, this
129:             * has the effect of letting the background color of the JTree show
130:             * through. On the other hand, if <code>color</code> is non-null, and not
131:             * a <code>ColorUIResource</code>, the background becomes
132:             * <code>color</code>.
133:             */
134:            public void setBackground(Color color) {
135:                if (color instanceof  ColorUIResource) {
136:                    color = null;
137:                }
138:
139:                super .setBackground(color);
140:            }
141:
142:            /**
143:             * Sets the background color to be used for non selected nodes.
144:             */
145:            public void setBackgroundNonSelectionColor(Color newColor) {
146:                backgroundNonSelectionColor = newColor;
147:            }
148:
149:            /**
150:             * Returns the background color to be used for non selected nodes.
151:             */
152:            public Color getBackgroundNonSelectionColor() {
153:                return backgroundNonSelectionColor;
154:            }
155:
156:            /**
157:             * Sets the color to use for the background if node is selected.
158:             */
159:            public void setBackgroundSelectionColor(Color newColor) {
160:                backgroundSelectionColor = newColor;
161:            }
162:
163:            /**
164:             * Returns the color to use for the background if node is selected.
165:             */
166:            public Color getBackgroundSelectionColor() {
167:                return backgroundSelectionColor;
168:            }
169:
170:            /**
171:             * Sets the color to use for the border.
172:             */
173:            public void setBorderSelectionColor(Color newColor) {
174:                borderSelectionColor = newColor;
175:            }
176:
177:            /**
178:             * Returns the color the border is drawn.
179:             */
180:            public Color getBorderSelectionColor() {
181:                return borderSelectionColor;
182:            }
183:
184:            /**
185:             * Sets the icon used to represent non-leaf nodes that are not expanded.
186:             */
187:            public void setClosedIcon(Icon newIcon) {
188:                closedIcon = newIcon;
189:            }
190:
191:            /**
192:             * Returns the icon used to represent non-leaf nodes that are not
193:             * expanded.
194:             */
195:            public Icon getClosedIcon() {
196:                return closedIcon;
197:            }
198:
199:            /**
200:             * Subclassed to map <code>FontUIResource</code>s to null. If
201:             * <code>font</code> is null, or a <code>FontUIResource</code>, this
202:             * has the effect of letting the font of the JTree show
203:             * through. On the other hand, if <code>font</code> is non-null, and not
204:             * a <code>FontUIResource</code>, the font becomes <code>font</code>.
205:             */
206:            public void setFont(Font font) {
207:                if (font instanceof  FontUIResource) {
208:                    font = null;
209:                }
210:
211:                super .setFont(font);
212:            }
213:
214:            /**
215:             * Gets the font of this component.
216:             *
217:             * @return this component's font; if a font has not been set
218:             *         for this component, the font of its parent is returned
219:             */
220:            public Font getFont() {
221:                Font font = super .getFont();
222:
223:                if ((font == null) && (tree != null)) {
224:                    // Strive to return a non-null value, otherwise the html support
225:                    // will typically pick up the wrong font in certain situations.
226:                    font = tree.getFont();
227:                }
228:
229:                return font;
230:            }
231:
232:            /**
233:             * Sets the icon used to represent leaf nodes.
234:             */
235:            public void setLeafIcon(Icon newIcon) {
236:                leafIcon = newIcon;
237:            }
238:
239:            /**
240:             * Returns the icon used to represent leaf nodes.
241:             */
242:            public Icon getLeafIcon() {
243:                return leafIcon;
244:            }
245:
246:            /**
247:             * Sets the icon used to represent non-leaf nodes that are expanded.
248:             */
249:            public void setOpenIcon(Icon newIcon) {
250:                openIcon = newIcon;
251:            }
252:
253:            /**
254:             * Returns the icon used to represent non-leaf nodes that are expanded.
255:             */
256:            public Icon getOpenIcon() {
257:                return openIcon;
258:            }
259:
260:            /**
261:             * Overrides <code>JComponent.getPreferredSize</code> to
262:             * return slightly wider preferred size value.
263:             */
264:            public Dimension getPreferredSize() {
265:                Dimension retDimension = super .getPreferredSize();
266:
267:                if (retDimension != null) {
268:                    retDimension = new Dimension(retDimension.width + 3,
269:                            retDimension.height);
270:                }
271:
272:                return retDimension;
273:            }
274:
275:            /**
276:             * Sets the color the text is drawn with when the node isn't selected.
277:             */
278:            public void setTextNonSelectionColor(Color newColor) {
279:                textNonSelectionColor = newColor;
280:            }
281:
282:            /**
283:             * Returns the color the text is drawn with when the node isn't selected.
284:             */
285:            public Color getTextNonSelectionColor() {
286:                return textNonSelectionColor;
287:            }
288:
289:            /**
290:             * Sets the color the text is drawn with when the node is selected.
291:             */
292:            public void setTextSelectionColor(Color newColor) {
293:                textSelectionColor = newColor;
294:            }
295:
296:            /**
297:             * Returns the color the text is drawn with when the node is selected.
298:             */
299:            public Color getTextSelectionColor() {
300:                return textSelectionColor;
301:            }
302:
303:            /**
304:             * Configures the renderer based on the passed in components.
305:             * The value is set from messaging the tree with
306:             * <code>convertValueToText</code>, which ultimately invokes
307:             * <code>toString</code> on <code>value</code>.
308:             * The foreground color is set based on the selection and the icon
309:             * is set based on on leaf and expanded.
310:             */
311:            public Component getTreeCellRendererComponent(JTree tree,
312:                    Object value, boolean sel, boolean expanded, boolean leaf,
313:                    int row, boolean hasFocus) {
314:                String stringValue = tree.convertValueToText(value, sel,
315:                        expanded, leaf, row, hasFocus);
316:
317:                this .tree = tree;
318:                this .hasFocus = hasFocus;
319:
320:                String firstLabel = getLabel1Text(value, stringValue);
321:                label1.setText(firstLabel);
322:
323:                if ("".equals(firstLabel)) {
324:                    borderLayout.setHgap(label1.getIconTextGap()); // NOI18N
325:                } else {
326:                    borderLayout.setHgap(0);
327:                }
328:
329:                label2.setText(getLabel2Text(value, stringValue));
330:                label3.setText(getLabel3Text(value, stringValue));
331:
332:                if (sel) {
333:                    label1.setForeground(getTextSelectionColor());
334:                    label2.setForeground(getTextSelectionColor());
335:
336:                    Color c = getTextSelectionColor();
337:                    label3.setForeground(c.equals(Color.BLACK) ? Color.GRAY : c
338:                            .brighter());
339:                } else {
340:                    label1.setForeground(getTextNonSelectionColor());
341:                    label2.setForeground(getTextNonSelectionColor());
342:
343:                    Color c = getTextNonSelectionColor();
344:                    label3.setForeground(c.equals(Color.BLACK) ? Color.GRAY : c
345:                            .brighter());
346:                }
347:
348:                if (!tree.isEnabled()) {
349:                    label1.setEnabled(false);
350:                    label2.setEnabled(false);
351:                    label3.setEnabled(false);
352:
353:                    if (leaf) {
354:                        label1.setDisabledIcon(getLeafIcon(value));
355:                    } else if (expanded) {
356:                        label1.setDisabledIcon(getOpenIcon(value));
357:                    } else {
358:                        label1.setDisabledIcon(getClosedIcon(value));
359:                    }
360:                } else {
361:                    label1.setEnabled(true);
362:                    label2.setEnabled(true);
363:                    label3.setEnabled(true);
364:
365:                    if (leaf) {
366:                        label1.setIcon(getLeafIcon(value));
367:                    } else if (expanded) {
368:                        label1.setIcon(getOpenIcon(value));
369:                    } else {
370:                        label1.setIcon(getClosedIcon(value));
371:                    }
372:                }
373:
374:                label1.setComponentOrientation(tree.getComponentOrientation()); // TODO [ian]: what does this mean wrt label2, label3
375:
376:                selected = sel;
377:
378:                return this ;
379:            }
380:
381:            public Component getTreeCellRendererComponentPersistent(JTree tree,
382:                    Object value, boolean sel, boolean expanded, boolean leaf,
383:                    int row, boolean hasFocus) {
384:                EnhancedTreeCellRenderer renderer = new EnhancedTreeCellRenderer();
385:                renderer.setLeafIcon(leafIcon);
386:                renderer.setClosedIcon(closedIcon);
387:                renderer.setOpenIcon(openIcon);
388:
389:                return renderer.getTreeCellRendererComponent(tree, value, sel,
390:                        expanded, leaf, row, hasFocus);
391:            }
392:
393:            /**
394:             * Overridden for performance reasons.
395:             * See the <a href="#override">Implementation Note</a>
396:             * for more information.
397:             */
398:            public void firePropertyChange(String propertyName, byte oldValue,
399:                    byte newValue) {
400:            }
401:
402:            /**
403:             * Overridden for performance reasons.
404:             * See the <a href="#override">Implementation Note</a>
405:             * for more information.
406:             */
407:            public void firePropertyChange(String propertyName, char oldValue,
408:                    char newValue) {
409:            }
410:
411:            /**
412:             * Overridden for performance reasons.
413:             * See the <a href="#override">Implementation Note</a>
414:             * for more information.
415:             */
416:            public void firePropertyChange(String propertyName, short oldValue,
417:                    short newValue) {
418:            }
419:
420:            /**
421:             * Overridden for performance reasons.
422:             * See the <a href="#override">Implementation Note</a>
423:             * for more information.
424:             */
425:            public void firePropertyChange(String propertyName, int oldValue,
426:                    int newValue) {
427:            }
428:
429:            /**
430:             * Overridden for performance reasons.
431:             * See the <a href="#override">Implementation Note</a>
432:             * for more information.
433:             */
434:            public void firePropertyChange(String propertyName, long oldValue,
435:                    long newValue) {
436:            }
437:
438:            /**
439:             * Overridden for performance reasons.
440:             * See the <a href="#override">Implementation Note</a>
441:             * for more information.
442:             */
443:            public void firePropertyChange(String propertyName, float oldValue,
444:                    float newValue) {
445:            }
446:
447:            /**
448:             * Overridden for performance reasons.
449:             * See the <a href="#override">Implementation Note</a>
450:             * for more information.
451:             */
452:            public void firePropertyChange(String propertyName,
453:                    double oldValue, double newValue) {
454:            }
455:
456:            /**
457:             * Overridden for performance reasons.
458:             * See the <a href="#override">Implementation Note</a>
459:             * for more information.
460:             */
461:            public void firePropertyChange(String propertyName,
462:                    boolean oldValue, boolean newValue) {
463:            }
464:
465:            /**
466:             * Paints the value.  The background is filled based on selected.
467:             */
468:            public void paint(Graphics g) {
469:                Color bColor;
470:
471:                if (selected) {
472:                    bColor = getBackgroundSelectionColor();
473:                } else {
474:                    bColor = getBackgroundNonSelectionColor();
475:
476:                    if (bColor == null) {
477:                        bColor = getBackground();
478:                    }
479:                }
480:
481:                if (bColor != null) {
482:                    g.setColor(bColor);
483:                    g.fillRect(0, 0, getWidth(), getHeight());
484:                }
485:
486:                if (hasFocus) {
487:                    Color bsColor = getBorderSelectionColor();
488:
489:                    if (bsColor != null) {
490:                        g.setColor(bsColor);
491:                        g.drawRect(0, 0, getWidth(), getHeight());
492:                    }
493:                }
494:
495:                super .paint(g);
496:            }
497:
498:            protected Icon getClosedIcon(Object value) {
499:                return getClosedIcon();
500:            }
501:
502:            /**
503:             * @param   node  The node value
504:             * @param   value Entire tree node text
505:             * @return  First part to display in plain font
506:             */
507:            protected String getLabel1Text(Object node, String value) {
508:                return value;
509:            }
510:
511:            /**
512:             * @param   node  The node value
513:             * @param   value Entire tree node text
514:             * @return  Middle part to display in bold font
515:             */
516:            protected String getLabel2Text(Object node, String value) {
517:                return ""; // NOI18N
518:            }
519:
520:            /**
521:             * @param   node  The node value
522:             * @param   value Entire tree node text
523:             * @return  Lat part to display in gray font
524:             */
525:            protected String getLabel3Text(Object node, String value) {
526:                return ""; // NOI18N
527:            }
528:
529:            protected Icon getLeafIcon(Object value) {
530:                return getLeafIcon();
531:            }
532:
533:            protected Icon getOpenIcon(Object value) {
534:                return getOpenIcon();
535:            }
536:
537:            /**
538:             * Overridden for performance reasons.
539:             * See the <a href="#override">Implementation Note</a>
540:             * for more information.
541:             */
542:            protected void firePropertyChange(String propertyName,
543:                    Object oldValue, Object newValue) {
544:                // Strings get interned...
545:                if (propertyName == "text") { // NOI18N
546:                    super.firePropertyChange(propertyName, oldValue, newValue);
547:                }
548:            }
549:        }
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