Source Code Cross Referenced for TaxonomyTreeView.java in  » Portal » Open-Portal » components » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » Open Portal » components 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  CONFIDENTIAL AND PROPRIETARY SOURCE CODE OF
003:         *  NETSCAPE COMMUNICATIONS CORPORATION
004:         *
005:         *  Copyright (c) 1996 Netscape Communications Corporation.
006:         *  All Rights Reserved.
007:         *  Use of this Source Code is subject to the terms of the applicable
008:         *  license agreement from Netscape Communications Corporation.
009:         */
010:
011:        package components;
012:
013:        import communications.PostConnection;
014:        import graphical.Header;
015:        import graphical.HyperTextFilter;
016:        import graphical.TreeView;
017:        import soif.CSID;
018:        import soif.SOIF;
019:        import soif.SOIFParser;
020:        import soif.Taxonomy;
021:        import soif.TaxonomyNode;
022:        import soif.TaxonomyGetter;
023:        import util.BinaryTree;
024:        import util.BTreeNode;
025:        import util.ReportError;
026:
027:        import java.awt.Dimension;
028:
029:        import netscape.application.Color;
030:        import netscape.application.ContainerView;
031:        import netscape.application.ListItem;
032:        import netscape.application.Size;
033:        import netscape.application.Target;
034:        import netscape.application.TextField;
035:        import netscape.application.View;
036:
037:        public class TaxonomyTreeView extends TreeView {
038:            public Taxonomy taxonomy;
039:
040:            public TextField descLabel;
041:            public TextField description;
042:            public TextField matchLabel;
043:            public TextField matchingRule;
044:
045:            private String CGILocation;
046:            private String CGITarget;
047:            private String CGIRead;
048:            private String CGIWrite;
049:            private CSID csid;
050:            private boolean pro;
051:
052:            public ContainerView detailView;
053:            public Target notifyOfSelect;
054:            public Target notifyOfChange;
055:
056:            private TaxonomyGetter tg;
057:
058:            // SGP: hack to support correct deletion of entire tree
059:            public applications.TaxonomyEdit te;
060:            public applications.Desktop dt;
061:
062:            private boolean changed;
063:
064:            /**
065:             * Construct instance of TaxonomyTreeView.
066:             * @param CGILocation cgi location
067:             * @param CGITarget cgi target
068:             * @param CGIRead cgi read argument
069:             * @param CGIWrite cgi write argument
070:             * @param csid csid
071:             * @param editable editable or not
072:             * @param x x
073:             * @param y y
074:             * @param w width
075:             * @param h height
076:             * @param dragSourcePolicy drag source policy
077:             * @param dragDestinationPolicy drag destination policy
078:             * @param sizeForWindow size for containment in a window or a view
079:             * @param nameSpace url for space image
080:             * @param nameDocumentSel url for selected document image
081:             * @param nameDocument url for document image
082:             * @param nameFolderSel url for selected folder image
083:             * @param nameFolder url for folder image
084:             * @param nameBranchOpenSel url for selected branch open image
085:             * @param nameBranchOpen url for branch open image
086:             * @param nameBranchClosedSel url for selected branch closed image
087:             * @param nameBranchClosed url for branch closed image
088:             */
089:            public TaxonomyTreeView(String CGILocation, String CGITarget,
090:                    String CGIRead, String CGIWrite, CSID csid, boolean pro,
091:                    boolean editable, int x, int y, int w, int h,
092:                    int dragSourcePolicy, int dragDestinationPolicy,
093:                    boolean sizeForWindow, String nameSpace,
094:                    String nameDocumentSel, String nameDocument,
095:                    String nameFolderSel, String nameFolder,
096:                    String nameBranchOpenSel, String nameBranchOpen,
097:                    String nameBranchClosedSel, String nameBranchClosed) {
098:                super (null, editable, x, y, w, h, dragSourcePolicy,
099:                        dragDestinationPolicy, sizeForWindow, nameSpace,
100:                        nameDocumentSel, nameDocument, nameFolderSel,
101:                        nameFolder, nameBranchOpenSel, nameBranchOpen,
102:                        nameBranchClosedSel, nameBranchClosed);
103:
104:                this .CGILocation = CGILocation;
105:                this .CGITarget = CGITarget;
106:                this .CGIRead = CGIRead;
107:                this .CGIWrite = CGIWrite;
108:                this .csid = csid;
109:                this .pro = pro;
110:
111:                obtainTaxonomy();
112:                commonConstruction();
113:            }
114:
115:            /**
116:             * Construct instance of TaxonomyTreeView.
117:             * @param CGILocation cgi location
118:             * @param CGITarget cgi target
119:             * @param CGIRead cgi read argument
120:             * @param CGIWrite cgi write argument
121:             * @param csid csid
122:             * @param editable editable or not
123:             * @param x x
124:             * @param y y
125:             * @param w width
126:             * @param h height
127:             * @param dragSourcePolicy drag source policy
128:             * @param dragDestinationPolicy drag destination policy
129:             * @param sizeForWindow size for containment in a window or a view
130:             * @param arraySpace pixel array for space
131:             * @param arrayDocumentSel pixel array for selected document
132:             * @param arrayDocument pixel array for document
133:             * @param arrayFolderSel pixel array for selected folder
134:             * @param arrayFolder pixel array for folder
135:             * @param arrayBranchOpenSel pixel array for selected branch open
136:             * @param arrayBranchOpen pixel array for branch open
137:             * @param arrayBranchClosedSel pixel array for selected branch closed
138:             * @param arrayBranchClosed pixel array for branch closed
139:             */
140:            public TaxonomyTreeView(String CGILocation, String CGITarget,
141:                    String CGIRead, String CGIWrite, CSID csid, boolean pro,
142:                    boolean editable, int x, int y, int w, int h,
143:                    int dragSourcePolicy, int dragDestinationPolicy,
144:                    boolean sizeForWindow, int arraySpace[],
145:                    int arrayDocumentSel[], int arrayDocument[],
146:                    int arrayFolderSel[], int arrayFolder[],
147:                    int arrayBranchOpenSel[], int arrayBranchOpen[],
148:                    int arrayBranchClosedSel[], int arrayBranchClosed[],
149:                    Dimension imageSize, int pixelCount) {
150:                super (null, editable, x, y, w, h, dragSourcePolicy,
151:                        dragDestinationPolicy, sizeForWindow, arraySpace,
152:                        arrayDocumentSel, arrayDocument, arrayFolderSel,
153:                        arrayFolder, arrayBranchOpenSel, arrayBranchOpen,
154:                        arrayBranchClosedSel, arrayBranchClosed, imageSize,
155:                        pixelCount);
156:
157:                this .CGILocation = CGILocation;
158:                this .CGITarget = CGITarget;
159:                this .CGIRead = CGIRead;
160:                this .CGIWrite = CGIWrite;
161:                this .csid = csid;
162:                this .pro = pro;
163:
164:                obtainTaxonomy();
165:                commonConstruction();
166:            }
167:
168:            /**
169:             * Construct instance of TaxonomyTreeView.
170:             * @param taxonomy taxonomy
171:             * @param editable editable or not
172:             * @param x x
173:             * @param y y
174:             * @param w width
175:             * @param h height
176:             * @param dragSourcePolicy drag source policy
177:             * @param dragDestinationPolicy drag destination policy
178:             * @param sizeForWindow size for containment in a window or a view
179:             * @param nameSpace url for space image
180:             * @param nameDocumentSel url for selected document image
181:             * @param nameDocument url for document image
182:             * @param nameFolderSel url for selected folder image
183:             * @param nameFolder url for folder image
184:             * @param nameBranchOpenSel url for selected branch open image
185:             * @param nameBranchOpen url for branch open image
186:             * @param nameBranchClosedSel url for selected branch closed image
187:             * @param nameBranchClosed url for branch closed image
188:             */
189:            public TaxonomyTreeView(Taxonomy taxonomy, boolean editable, int x,
190:                    int y, int w, int h, int dragSourcePolicy,
191:                    int dragDestinationPolicy, boolean sizeForWindow,
192:                    String nameSpace, String nameDocumentSel,
193:                    String nameDocument, String nameFolderSel,
194:                    String nameFolder, String nameBranchOpenSel,
195:                    String nameBranchOpen, String nameBranchClosedSel,
196:                    String nameBranchClosed) {
197:                super (null, editable, x, y, w, h, dragSourcePolicy,
198:                        dragDestinationPolicy, sizeForWindow, nameSpace,
199:                        nameDocumentSel, nameDocument, nameFolderSel,
200:                        nameFolder, nameBranchOpenSel, nameBranchOpen,
201:                        nameBranchClosedSel, nameBranchClosed);
202:
203:                this .taxonomy = taxonomy;
204:
205:                this .CGILocation = null;
206:                this .CGITarget = null;
207:                this .CGIRead = null;
208:                this .CGIWrite = null;
209:                this .csid = null;
210:
211:                tg = null;
212:
213:                commonConstruction();
214:            }
215:
216:            /**
217:             * Construct instance of TaxonomyTreeView.
218:             * @param taxonomy taxonomy
219:             * @param editable editable or not
220:             * @param x x
221:             * @param y y
222:             * @param w width
223:             * @param h height
224:             * @param dragSourcePolicy drag source policy
225:             * @param dragDestinationPolicy drag destination policy
226:             * @param sizeForWindow size for containment in a window or a view
227:             * @param arraySpace pixel array for space
228:             * @param arrayDocumentSel pixel array for selected document
229:             * @param arrayDocument pixel array for document
230:             * @param arrayFolderSel pixel array for selected folder
231:             * @param arrayFolder pixel array for folder
232:             * @param arrayBranchOpenSel pixel array for selected branch open
233:             * @param arrayBranchOpen pixel array for branch open
234:             * @param arrayBranchClosedSel pixel array for selected branch closed
235:             * @param arrayBranchClosed pixel array for branch closed
236:             */
237:            public TaxonomyTreeView(Taxonomy taxonomy, boolean editable, int x,
238:                    int y, int w, int h, int dragSourcePolicy,
239:                    int dragDestinationPolicy, boolean sizeForWindow,
240:                    int arraySpace[], int arrayDocumentSel[],
241:                    int arrayDocument[], int arrayFolderSel[],
242:                    int arrayFolder[], int arrayBranchOpenSel[],
243:                    int arrayBranchOpen[], int arrayBranchClosedSel[],
244:                    int arrayBranchClosed[], Dimension imageSize, int pixelCount) {
245:                super (null, editable, x, y, w, h, dragSourcePolicy,
246:                        dragDestinationPolicy, sizeForWindow, arraySpace,
247:                        arrayDocumentSel, arrayDocument, arrayFolderSel,
248:                        arrayFolder, arrayBranchOpenSel, arrayBranchOpen,
249:                        arrayBranchClosedSel, arrayBranchClosed, imageSize,
250:                        pixelCount);
251:
252:                this .taxonomy = taxonomy;
253:
254:                this .CGILocation = null;
255:                this .CGITarget = null;
256:                this .CGIRead = null;
257:                this .CGIWrite = null;
258:                this .csid = null;
259:
260:                tg = null;
261:
262:                commonConstruction();
263:            }
264:
265:            private void commonConstruction() {
266:                // setLook( NSLOOK );
267:                // setFeel( NSFEEL );
268:
269:                changed = false;
270:                te = null;
271:                dt = null;
272:                notifyOfSelect = null;
273:                description = new TextField();
274:                descLabel = TextField.createLabel(Messages.LBL_DESCRIPTION
275:                        + ":");
276:                if (pro) {
277:                    matchingRule = new TextField();
278:                    matchLabel = TextField
279:                            .createLabel(Messages.LBL_AUTOCLASSIFYRULE + ":");
280:                }
281:
282:                detailView = new ContainerView();
283:
284:                setDupePeerNamesAllowed(false);
285:
286:                if (editable()) {
287:                    HyperTextFilter htf = HyperTextFilter
288:                            .createI18NAlphaNumericFilter(
289:                                    util.Key.I18NALPHANUMERIC_COUNT + 19, true);
290:                    htf.put(new Integer(10), new Character(' ')); // return, enter
291:                    htf.put(new Integer(32), new Character(' '));
292:                    htf.put(new Integer(33), new Character('!'));
293:                    htf.put(new Integer(38), new Character('&'));
294:                    htf.put(new Integer(39), new Character('\''));
295:                    htf.put(new Integer(44), new Character(','));
296:                    htf.put(new Integer(45), new Character('-'));
297:                    htf.put(new Integer(46), new Character('.'));
298:                    htf.put(new Integer(47), new Character('/'));
299:                    htf.put(new Integer(63), new Character('?'));
300:                    htf.put(new Integer(95), new Character('_'));
301:
302:                    // SGP: push nav stuff into HyperTextFilter
303:                    htf.put(new Integer(8), new Character('\010')); // bs
304:                    htf.put(new Integer(127), new Character('\177')); // del
305:                    htf.put(new Integer(1000), new Character(' ')); // home
306:                    htf.put(new Integer(1001), new Character(' ')); // end
307:                    htf.put(new Integer(1006), new Character(' ')); // left arrow
308:                    htf.put(new Integer(1007), new Character(' ')); // right arrow
309:                    textField.setFilter(htf);
310:                    // htf.debug = true;
311:
312:                    // note that the following is organized
313:                    // to be easy to understand and maintain,
314:                    // not to try to achieve the most efficient
315:                    // solution.
316:
317:                    // set the label size and add it
318:                    descLabel.setBounds(graphical.Header.WIDGETHGAP
319:                            + graphical.Header.ALIGNTREEHGAP,
320:                            graphical.Header.WIDGETVGAP,
321:                            descLabel.minSize().width,
322:                            descLabel.minSize().height);
323:                    detailView.addSubview(descLabel);
324:
325:                    // first, move the detailView (makes size
326:                    // calc a little less dazzling).
327:                    detailView.moveTo(graphical.Header.WIDGETHGAP, scrollGroup
328:                            .height()
329:                            + scrollGroup.y() + graphical.Header.WIDGETVGAP);
330:
331:                    // now, size based on cancelBtn position
332:                    detailView.sizeTo(cancelBtn.x() - detailView.x()
333:                            - graphical.Header.WIDGETHGAP, description
334:                            .minSize().height
335:                            + graphical.Header.WIDGETVGAP
336:                            * 2
337:                            + (pro ? matchingRule.minSize().height
338:                                    + graphical.Header.WIDGETVGAP : 0));
339:                    addSubview(detailView);
340:
341:                    detailView.setHorizResizeInstruction(View.WIDTH_CAN_CHANGE);
342:                    detailView
343:                            .setVertResizeInstruction(View.TOP_MARGIN_CAN_CHANGE);
344:
345:                    // now, position the description
346:                    description.moveTo(descLabel.x() + descLabel.width()
347:                            + graphical.Header.WIDGETHGAP, descLabel.y());
348:
349:                    // size description to fit w/in detail
350:                    description.sizeTo(detailView.width() - description.x() - 2
351:                            * graphical.Header.WIDGETHGAP, description
352:                            .minSize().height);
353:                    description
354:                            .setHorizResizeInstruction(View.WIDTH_CAN_CHANGE);
355:                    detailView.addSubview(description);
356:
357:                    if (pro) {
358:
359:                        // set the matchLabel geometry
360:                        matchLabel.moveTo(descLabel.x(), descLabel.x()
361:                                + descLabel.height()
362:                                + graphical.Header.WIDGETVGAP);
363:                        matchLabel.sizeTo(matchLabel.minSize().width,
364:                                matchLabel.minSize().height);
365:                        detailView.addSubview(matchLabel);
366:
367:                        // set the matchingRule geometry
368:                        matchingRule.moveTo(matchLabel.x() + matchLabel.width()
369:                                + graphical.Header.WIDGETHGAP, matchLabel.y());
370:                        matchingRule.sizeTo(detailView.width()
371:                                - matchingRule.x() - 2
372:                                * graphical.Header.WIDGETHGAP, matchingRule
373:                                .minSize().height);
374:                        detailView.addSubview(matchingRule);
375:
376:                        matchingRule
377:                                .setHorizResizeInstruction(View.WIDTH_CAN_CHANGE);
378:                    }
379:
380:                    // hide the buttons
381:                    saveBtn.moveTo(Integer.MIN_VALUE, saveBtn.y());
382:                    cancelBtn.moveTo(Integer.MIN_VALUE, cancelBtn.y());
383:
384:                    // adjust to take into account the new detail
385:                    // size needs.
386:                    int hdiff = detailView.height() - saveBtn.height();
387:                    scrollGroup.sizeTo(scrollGroup.width(), scrollGroup
388:                            .height()
389:                            - hdiff);
390:                    detailView.moveTo(detailView.x(), detailView.y() - hdiff);
391:
392:                    // up to this point, detailView is sized to
393:                    // be a snug fit around it's components but
394:                    // sized to leave WIDGETHGAP between it and
395:                    // cancelBtn.  now it will adjust out to
396:                    // scrollGroup.width().  don't know what's
397:                    // up w/ the HGAP subtraction.
398:                    detailView.sizeTo(scrollGroup.width()
399:                            - graphical.Header.WIDGETHGAP, detailView.height());
400:                }
401:
402:                if (tg != null) {
403:                    tg.waitFor();
404:                    taxonomy = tg.getTaxonomy();
405:                }
406:
407:                if (taxonomy != null) {
408:                    setBinaryTree(taxonomy.binaryTree);
409:                }
410:
411:                if (editable()) {
412:                    setEditListItem();
413:                    setDragDroppedNotificationCommand(Messages.CMD_DROPPED);
414:                    setDragDroppedNotificationTarget(this );
415:                }
416:            }
417:
418:            public void hideEditButtons() {
419:                int hdiff = (scrollGroup.y() - newPeerBtn.y())
420:                        - graphical.Header.WIDGETVGAP;
421:                detailView.moveTo(detailView.x(), detailView.y() - hdiff);
422:                scrollGroup.sizeTo(scrollGroup.width(), scrollGroup.height()
423:                        - hdiff);
424:                super .hideEditButtons();
425:            }
426:
427:            private void obtainTaxonomy() {
428:                taxonomy = null;
429:
430:                if ((CGILocation != null) && (CGITarget != null)
431:                        && (csid != null)) {
432:                    tg = new TaxonomyGetter(CGILocation, CGITarget + CGIRead,
433:                            csid);
434:                    tg.start();
435:                } else {
436:                    ReportError.reportError(ReportError.ADMIN,
437:                            "TaxonomyTreeView", "obtainTaxonomy",
438:                            Messages.INSUFFICIENTTAXONOMYOBTAINPARAMS);
439:                }
440:            }
441:
442:            /**
443:             * Write the taxonomy to the server.
444:             */
445:            public String writeTaxonomy() {
446:                return PostConnection.doWrite(CGILocation + CGITarget
447:                        + CGIWrite, taxonomy.toSOIF());
448:            }
449:
450:            // SGP: the whole synchronization problem is not solved
451:            // well in here.
452:
453:            public void newPeerBtnPress() {
454:                setData();
455:                ListItem li = getCurrentListItem();
456:                if (li == null) {
457:                    return;
458:                }
459:
460:                String key = (String) ((BTreeNode) li.data()).getKey();
461:                TaxonomyNode tn = (TaxonomyNode) ((BTreeNode) li.data())
462:                        .getValue();
463:                boolean pRoot = (tn.getParentId() == null);
464:                TaxonomyNode ntn = new TaxonomyNode((String) ((pRoot) ? key
465:                        : tn.getParentId() + ":" + key), tn.getParentId(),
466:                        taxonomy.getTaxonomyId(), "");
467:
468:                newPeer(new BTreeNode(graphical.Messages.NEW, ntn));
469:                getData();
470:            }
471:
472:            public void newChildBtnPress() {
473:                setData();
474:                ListItem li = getCurrentListItem();
475:                if (li == null) {
476:                    return;
477:                }
478:                BTreeNode btn = (BTreeNode) li.data();
479:
480:                String key = (String) btn.getKey();
481:                TaxonomyNode tn = (TaxonomyNode) btn.getValue();
482:                boolean pRoot = (tn.getParentId() == null);
483:                TaxonomyNode ntn = new TaxonomyNode((String) ((pRoot) ? key
484:                        : tn.getId() + ":" + key), (String) ((pRoot) ? "ROOT"
485:                        : tn.getId()), taxonomy.getTaxonomyId(), "");
486:
487:                newChild(new BTreeNode(graphical.Messages.NEW, ntn));
488:                getData();
489:            }
490:
491:            public void delBtnPress() {
492:                ListItem li = getCurrentListItem();
493:                if (li == null) {
494:                    return;
495:                }
496:                BTreeNode btn = (BTreeNode) li.data();
497:                BTreeNode pbtn = btn.getParent();
498:
499:                if (pbtn == null) {
500:                    // whacking the top of the tree
501:                    setCurrentListItem(null);
502:                    taxonomy = new Taxonomy();
503:                    taxonomy.binaryTree.resetEnumeration();
504:                    if (taxonomy.binaryTree.hasMoreElements(true)) {
505:                        taxonomy.binaryTree.nextElement(true);
506:                    }
507:                    setBinaryTree(taxonomy.binaryTree);
508:                    listView.selectItemAt(0);
509:                    buttonEnablement();
510:                    setEditListItem();
511:                    if (te != null) {
512:                        te.taxonomy = taxonomy;
513:                    } // SGP
514:                    if (dt != null) {
515:                        dt.taxonomy = taxonomy;
516:                    } // SGP
517:                    if (getTreeViewGroup() != null) {
518:                        getTreeViewGroup().sendAction((TreeView) this ,
519:                                graphical.TreeViewGroup.CLEAR, null);
520:                    }
521:                } else {
522:                    super .delBtnPress();
523:                }
524:
525:                getData();
526:            }
527:
528:            public void setDetailDisabled() {
529:                description.setEditable(false);
530:                description.setStringValue("");
531:                description.setBackgroundColor(graphical.Header.INACTIVECOLOR);
532:                if (pro) {
533:                    matchingRule.setEditable(false);
534:                    matchingRule.setStringValue("");
535:                    matchingRule
536:                            .setBackgroundColor(graphical.Header.INACTIVECOLOR);
537:                }
538:            }
539:
540:            public void setDetailDirty() {
541:                description.setDirty(true);
542:                if (pro)
543:                    matchingRule.setDirty(true);
544:
545:            }
546:
547:            public void setData() {
548:                ListItem li = getCurrentListItem();
549:
550:                if (li != null) {
551:                    BTreeNode btn = (BTreeNode) li.data();
552:                    TaxonomyNode tn = (TaxonomyNode) btn.getValue();
553:                    taxonomy.synchId(btn, textField.stringValue());
554:                    tn.update("description", description.stringValue());
555:                    if (pro) {
556:                        tn.update("matching-rule", matchingRule.stringValue());
557:                    }
558:
559:                }
560:            }
561:
562:            /**
563:             * Set the detail data description TextField based on the description
564:             * in the TaxonomyNode, if any.
565:             */
566:            public void getData() {
567:                ListItem li = getCurrentListItem();
568:
569:                if (li != null) {
570:                    Object o = li.data();
571:                    if (o instanceof  BTreeNode) {
572:                        o = ((BTreeNode) o).getValue();
573:                        if (o instanceof  TaxonomyNode) {
574:                            description.setEditable(true);
575:                            description
576:                                    .setBackgroundColor(graphical.Header.ACTIVECOLOR);
577:                            description.setStringValue(((TaxonomyNode) o)
578:                                    .getValue("description"));
579:                            if (pro) {
580:                                matchingRule.setEditable(true);
581:                                matchingRule
582:                                        .setBackgroundColor(graphical.Header.ACTIVECOLOR);
583:                                matchingRule.setStringValue(((TaxonomyNode) o)
584:                                        .getValue("matching-rule"));
585:                            }
586:
587:                            return;
588:                        }
589:                    }
590:                }
591:
592:                description.setStringValue("");
593:                if (pro)
594:                    matchingRule.setStringValue("");
595:            }
596:
597:            public void textEditingDidEnd(TextField textfield,
598:                    int endCondition, boolean contentsChanged) {
599:                super .textEditingDidEnd(textfield, endCondition,
600:                        contentsChanged);
601:                setData();
602:            }
603:
604:            public void textWasModified(TextField textfield) {
605:                super .textWasModified(textfield);
606:            }
607:
608:            // SGP: ooze from bottom of swamp.
609:            /*
610:            private void setChanged()
611:            {
612:                changed = true;
613:                // if ( te != null ) { te.changed = true; } // SGP
614:                // if ( dt != null ) { dt.changed = true; } // SGP
615:            }
616:
617:            public boolean getChanged()
618:            {
619:                return changed;
620:            }
621:
622:            public void clearChanged()
623:            {
624:                changed = false;
625:            }
626:             */
627:
628:            public boolean clickCommand() {
629:                if (editable()) {
630:                    setData();
631:                    super .clickCommand();
632:                    getData();
633:                } else
634:                // support TaxonomyBrowse
635:                if (notifyOfSelect != null) {
636:                    ListItem prevli = getCurrentListItem();
637:                    // If super returns true, tree manipulated, don't reposition
638:                    // browser. If false, then a node was selected, go to it.
639:                    if (super .clickCommand() == true) {
640:                        return true;
641:                    }
642:
643:                    ListItem li = listView.selectedItem();
644:                    BTreeNode btn = (BTreeNode) li.data();
645:                    BTreeNode pbtn = btn.getParent();
646:                    TaxonomyNode tn = (TaxonomyNode) btn.getValue();
647:
648:                    String s1 = "";
649:                    if (prevli != null) {
650:                        s1 = (String) ((TaxonomyNode) ((BTreeNode) prevli
651:                                .data()).getValue()).getId();
652:                    }
653:                    String s2 = tn.getId();
654:                    if (s1.equals(s2)) {
655:                        // same place, don't request navigation
656:                    } else if (pbtn == null) {
657:                        notifyOfSelect
658:                                .performCommand("CLASSIFICATIONTOP", null);
659:                    } else {
660:                        notifyOfSelect.performCommand("CLASSIFICATIONSELECT",
661:                                (Object) tn.getId());
662:                    }
663:                } else {
664:                    super .clickCommand();
665:                }
666:
667:                return false;
668:            }
669:
670:            public void performCommand(String command, Object arg) {
671:                if (Messages.CMD_DROPPED.equals(command)) { // Nodes dropped?
672:                    ListItem li = (ListItem) arg; // Get dropped node
673:
674:                    if (li != null) {
675:                        BTreeNode btn = (BTreeNode) li.data();
676:                        TaxonomyNode tn = (TaxonomyNode) btn.getValue();
677:                        taxonomy.synchTree(btn); // Update taxonomy
678:                    }
679:
680:                    return;
681:                }
682:
683:                super.performCommand(command, arg);
684:            }
685:        }
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