1
|
// $Id$
|
2
|
/**
|
3
|
* Copyright (C) 2007 EDIT
|
4
|
* European Distributed Institute of Taxonomy
|
5
|
* http://www.e-taxonomy.eu
|
6
|
*
|
7
|
* The contents of this file are subject to the Mozilla Public License Version 1.1
|
8
|
* See LICENSE.TXT at the top of this package for the full license terms.
|
9
|
*/
|
10
|
|
11
|
package eu.etaxonomy.taxeditor.navigation.navigator;
|
12
|
|
13
|
import java.util.ArrayList;
|
14
|
import java.util.HashSet;
|
15
|
import java.util.List;
|
16
|
import java.util.Observable;
|
17
|
import java.util.Observer;
|
18
|
import java.util.Set;
|
19
|
import java.util.UUID;
|
20
|
|
21
|
import org.eclipse.core.runtime.IAdaptable;
|
22
|
import org.eclipse.core.runtime.IProgressMonitor;
|
23
|
import org.eclipse.jface.viewers.DoubleClickEvent;
|
24
|
import org.eclipse.jface.viewers.TreePath;
|
25
|
import org.eclipse.ui.IMemento;
|
26
|
import org.eclipse.ui.IViewSite;
|
27
|
import org.eclipse.ui.PartInitException;
|
28
|
import org.eclipse.ui.navigator.CommonNavigator;
|
29
|
|
30
|
import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
|
31
|
import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
|
32
|
import eu.etaxonomy.cdm.api.service.IClassificationService;
|
33
|
import eu.etaxonomy.cdm.model.common.CdmBase;
|
34
|
import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
|
35
|
import eu.etaxonomy.taxeditor.model.DataChangeBridge;
|
36
|
import eu.etaxonomy.taxeditor.model.IDataChangeBehavior;
|
37
|
import eu.etaxonomy.taxeditor.navigation.NavigationUtil;
|
38
|
import eu.etaxonomy.taxeditor.operation.IPostOperationEnabled;
|
39
|
import eu.etaxonomy.taxeditor.store.CdmStore;
|
40
|
import eu.etaxonomy.taxeditor.store.LoginManager;
|
41
|
|
42
|
/**
|
43
|
* Taxonomic tree implementation using Common Navigator Framework.
|
44
|
*
|
45
|
* @author p.ciardelli
|
46
|
* @author n.hoffmann
|
47
|
* @created 02.06.2009
|
48
|
* @version 1.0
|
49
|
*/
|
50
|
public class TaxonNavigator extends CommonNavigator implements
|
51
|
IPostOperationEnabled, IConversationEnabled, Observer {
|
52
|
|
53
|
/**
|
54
|
* Constant
|
55
|
* <code>ID="eu.etaxonomy.taxeditor.navigation.navig"{trunked}</code>
|
56
|
*/
|
57
|
public static final String ID = "eu.etaxonomy.taxeditor.navigation.navigator"; //$NON-NLS-1$
|
58
|
|
59
|
private static final String TREE_PATH = "treepath";
|
60
|
|
61
|
private static final String TREE_PATHS = "treepaths";
|
62
|
|
63
|
private ConversationHolder conversation;
|
64
|
|
65
|
private String partNameCache;
|
66
|
|
67
|
private IDataChangeBehavior dataChangeBehavior;
|
68
|
|
69
|
/*
|
70
|
* (non-Javadoc)
|
71
|
*
|
72
|
* @see org.eclipse.ui.navigator.CommonNavigator#getInitialInput()
|
73
|
*/
|
74
|
/** {@inheritDoc} */
|
75
|
@Override
|
76
|
protected IAdaptable getInitialInput() {
|
77
|
if (CdmStore.isActive()) {
|
78
|
// TODO when closing and reopening the taxon navigator
|
79
|
// we do not preserve state. Closing the view, in contrary to
|
80
|
// closing the whole application
|
81
|
// should be handled by the state manager too
|
82
|
|
83
|
return new Root(conversation);
|
84
|
}
|
85
|
return new EmptyRoot();
|
86
|
}
|
87
|
|
88
|
/** {@inheritDoc} */
|
89
|
@Override
|
90
|
public void init(IViewSite site) throws PartInitException {
|
91
|
super.init(site);
|
92
|
init();
|
93
|
}
|
94
|
|
95
|
/**
|
96
|
* <p>
|
97
|
* init
|
98
|
* </p>
|
99
|
*/
|
100
|
public void init() {
|
101
|
if (CdmStore.isActive() && conversation == null) {
|
102
|
conversation = CdmStore.createConversation();
|
103
|
conversation.registerForDataStoreChanges(TaxonNavigator.this);
|
104
|
}
|
105
|
CdmStore.getLoginManager().addObserver(this);
|
106
|
}
|
107
|
|
108
|
/**
|
109
|
* Refresh this navigators viewer
|
110
|
*/
|
111
|
public void refresh() {
|
112
|
if(getConversationHolder() != null){
|
113
|
getConversationHolder().bind();
|
114
|
//FIXME : Need to make sure this is a stable fix (ticket 3822)
|
115
|
getConversationHolder().commit();
|
116
|
}
|
117
|
getCommonViewer().refresh();
|
118
|
}
|
119
|
|
120
|
/**
|
121
|
* Removes all content
|
122
|
*/
|
123
|
public void clear() {
|
124
|
getCommonViewer().setInput(new EmptyRoot());
|
125
|
}
|
126
|
|
127
|
/**
|
128
|
* <p>
|
129
|
* restore
|
130
|
* </p>
|
131
|
*
|
132
|
* @param memento
|
133
|
* a {@link org.eclipse.ui.IMemento} object.
|
134
|
* @param monitor
|
135
|
* a {@link org.eclipse.core.runtime.IProgressMonitor} object.
|
136
|
*/
|
137
|
public void restore(IMemento memento, IProgressMonitor monitor) {
|
138
|
if (memento == null) {
|
139
|
getCommonViewer().setInput(new Root(conversation));
|
140
|
return;
|
141
|
}
|
142
|
int mementoWork = 0;
|
143
|
Set<TreePath> treePaths = new HashSet<TreePath>();
|
144
|
IMemento[] treePathMementos = null;
|
145
|
|
146
|
IMemento treePathsMemento = memento.getChild(TREE_PATHS);
|
147
|
|
148
|
if (treePathsMemento != null) {
|
149
|
treePathMementos = treePathsMemento.getChildren(TREE_PATH);
|
150
|
mementoWork = treePathMementos.length;
|
151
|
}
|
152
|
// begin the monitor with steps for all tree paths and steps for
|
153
|
// creating
|
154
|
// conversation s.o., refreshing the tree and setting the paths
|
155
|
IProgressMonitor subProgressMonitor = NavigationUtil
|
156
|
.getSubProgressMonitor(monitor, 1);
|
157
|
|
158
|
subProgressMonitor.beginTask("Restoring Taxon Navigator",
|
159
|
1 + mementoWork + 5);
|
160
|
subProgressMonitor.subTask("Restoring Taxon Navigator");
|
161
|
subProgressMonitor.worked(1);
|
162
|
|
163
|
conversation = CdmStore.createConversation();
|
164
|
subProgressMonitor.worked(1);
|
165
|
conversation.registerForDataStoreChanges(TaxonNavigator.this);
|
166
|
subProgressMonitor.worked(1);
|
167
|
getCommonViewer().setInput(new Root(conversation));
|
168
|
subProgressMonitor.worked(1);
|
169
|
getCommonViewer().refresh();
|
170
|
subProgressMonitor.worked(1);
|
171
|
|
172
|
if (treePathMementos != null && treePathMementos.length > 0) {
|
173
|
for (IMemento treePathMemento : treePathMementos) {
|
174
|
TreePath treePath = createTreePathFromString(treePathMemento
|
175
|
.getID());
|
176
|
if (!subProgressMonitor.isCanceled() && treePath != null) {
|
177
|
treePaths.add(treePath);
|
178
|
subProgressMonitor.worked(1);
|
179
|
}
|
180
|
}
|
181
|
}
|
182
|
if (treePaths.size() > 0) {
|
183
|
TaxonNavigator.this.getCommonViewer().setExpandedTreePaths(
|
184
|
treePaths.toArray(new TreePath[0]));
|
185
|
subProgressMonitor.worked(1);
|
186
|
}
|
187
|
subProgressMonitor.done();
|
188
|
}
|
189
|
|
190
|
/**
|
191
|
* @param string
|
192
|
* @return
|
193
|
*/
|
194
|
private TreePath createTreePathFromString(String string) {
|
195
|
|
196
|
List<CdmBase> pathList = new ArrayList<CdmBase>();
|
197
|
|
198
|
if (string.length() == 0) {
|
199
|
return null;
|
200
|
}
|
201
|
|
202
|
for (String uuid : string.split(" ")) {
|
203
|
CdmBase cdmBaseObject = CdmStore.getService(
|
204
|
IClassificationService.class).getTaxonNodeByUuid(
|
205
|
UUID.fromString(uuid));
|
206
|
if (cdmBaseObject == null) {
|
207
|
// is this a tree uuid?
|
208
|
cdmBaseObject = CdmStore.getService(
|
209
|
IClassificationService.class).load(
|
210
|
UUID.fromString(uuid));
|
211
|
|
212
|
if (cdmBaseObject == null) {
|
213
|
return null;
|
214
|
}
|
215
|
}
|
216
|
pathList.add(cdmBaseObject);
|
217
|
}
|
218
|
return new TreePath(pathList.toArray());
|
219
|
}
|
220
|
|
221
|
/** {@inheritDoc} */
|
222
|
@Override
|
223
|
public void saveState(IMemento aMemento) {
|
224
|
//
|
225
|
}
|
226
|
|
227
|
/**
|
228
|
* <p>
|
229
|
* saveTreeState
|
230
|
* </p>
|
231
|
*
|
232
|
* @param memento
|
233
|
* a {@link org.eclipse.ui.IMemento} object.
|
234
|
* @param progressMonitor
|
235
|
* a {@link org.eclipse.core.runtime.IProgressMonitor} object.
|
236
|
*/
|
237
|
public void saveTreeState(IMemento memento, IProgressMonitor progressMonitor) {
|
238
|
if (memento == null) {
|
239
|
return;
|
240
|
}
|
241
|
IProgressMonitor monitor = NavigationUtil.getSubProgressMonitor(
|
242
|
progressMonitor, 1);
|
243
|
|
244
|
super.saveState(memento);
|
245
|
|
246
|
memento = memento.createChild(TREE_PATHS);
|
247
|
TreePath[] treePaths = this.getCommonViewer().getExpandedTreePaths();
|
248
|
|
249
|
monitor.beginTask("Saving Taxon Navigator State", treePaths.length);
|
250
|
|
251
|
for (TreePath treePath : treePaths) {
|
252
|
int pathLength = treePath.getSegmentCount();
|
253
|
String path = "";
|
254
|
for (int i = 0; i < pathLength; i++) {
|
255
|
Object segment = treePath.getSegment(i);
|
256
|
if (segment instanceof CdmBase) {
|
257
|
path += ((CdmBase) segment).getUuid().toString() + " ";
|
258
|
monitor.worked(1);
|
259
|
} else {
|
260
|
NavigationUtil.warn(getClass(),
|
261
|
"Non-taxon tree path segment " + segment);
|
262
|
}
|
263
|
}
|
264
|
memento.createChild(TREE_PATH, path.trim());
|
265
|
}
|
266
|
monitor.done();
|
267
|
}
|
268
|
|
269
|
/*
|
270
|
* (non-Javadoc)
|
271
|
*
|
272
|
* @see
|
273
|
* eu.etaxonomy.cdm.api.conversation.IConversationEnabled#getConversationHolder
|
274
|
* ()
|
275
|
*/
|
276
|
/**
|
277
|
* <p>
|
278
|
* getConversationHolder
|
279
|
* </p>
|
280
|
*
|
281
|
* @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
|
282
|
* object.
|
283
|
*/
|
284
|
@Override
|
285
|
public ConversationHolder getConversationHolder() {
|
286
|
return conversation;
|
287
|
}
|
288
|
|
289
|
/*
|
290
|
* (non-Javadoc)
|
291
|
*
|
292
|
* @see
|
293
|
* eu.etaxonomy.cdm.persistence.hibernate.ICdmPostDataChangeObserver#update
|
294
|
* (eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap)
|
295
|
*/
|
296
|
/** {@inheritDoc} */
|
297
|
@Override
|
298
|
public void update(CdmDataChangeMap changeEvents) {
|
299
|
if (dataChangeBehavior == null) {
|
300
|
dataChangeBehavior = new TaxonNavigatorDataChangeBehavior(this);
|
301
|
}
|
302
|
|
303
|
DataChangeBridge.handleDataChange(changeEvents, dataChangeBehavior);
|
304
|
}
|
305
|
|
306
|
/** {@inheritDoc} */
|
307
|
@Override
|
308
|
public String getFrameToolTipText(Object element) {
|
309
|
if (element instanceof Root) {
|
310
|
return "Taxonomic Tree";
|
311
|
}
|
312
|
return super.getFrameToolTipText(element);
|
313
|
}
|
314
|
|
315
|
/*
|
316
|
* (non-Javadoc)
|
317
|
*
|
318
|
* @see org.eclipse.ui.part.WorkbenchPart#dispose()
|
319
|
*/
|
320
|
/** {@inheritDoc} */
|
321
|
@Override
|
322
|
public void dispose() {
|
323
|
super.dispose();
|
324
|
dataChangeBehavior = null;
|
325
|
if (conversation != null) {
|
326
|
conversation.unregisterForDataStoreChanges(this);
|
327
|
}
|
328
|
}
|
329
|
|
330
|
/*
|
331
|
* (non-Javadoc)
|
332
|
*
|
333
|
* @see org.eclipse.ui.navigator.CommonNavigator#setFocus()
|
334
|
*/
|
335
|
/** {@inheritDoc} */
|
336
|
@Override
|
337
|
public void setFocus() {
|
338
|
// logger.warn("Setting focus to navigator");
|
339
|
super.setFocus();
|
340
|
if (getConversationHolder() != null) {
|
341
|
getConversationHolder().bind();
|
342
|
}
|
343
|
}
|
344
|
|
345
|
/*
|
346
|
* (non-Javadoc)
|
347
|
*
|
348
|
* @see
|
349
|
* eu.etaxonomy.taxeditor.operations.IPostOperationEnabled#postOperation
|
350
|
* (eu.etaxonomy.cdm.model.common.CdmBase)
|
351
|
*/
|
352
|
/** {@inheritDoc} */
|
353
|
@Override
|
354
|
public boolean postOperation(CdmBase objectAffectedByOperation) {
|
355
|
// nothing to do here
|
356
|
return true;
|
357
|
}
|
358
|
|
359
|
/**
|
360
|
* <p>
|
361
|
* save
|
362
|
* </p>
|
363
|
*
|
364
|
* @param memento
|
365
|
* a {@link org.eclipse.ui.IMemento} object.
|
366
|
* @param monitor
|
367
|
* a {@link org.eclipse.core.runtime.IProgressMonitor} object.
|
368
|
*/
|
369
|
public void save(IMemento memento, IProgressMonitor monitor) {
|
370
|
saveTreeState(memento, monitor);
|
371
|
if (conversation != null) {
|
372
|
conversation.unregisterForDataStoreChanges(this);
|
373
|
conversation = null;
|
374
|
}
|
375
|
}
|
376
|
|
377
|
/** {@inheritDoc} */
|
378
|
@Override
|
379
|
protected void handleDoubleClick(DoubleClickEvent anEvent) {
|
380
|
NavigationUtil.executeEditHandler();
|
381
|
// If the double click is passed up to the super-class it will
|
382
|
// expand/collapse trees.
|
383
|
// We do not want that
|
384
|
// super.handleDoubleClick(anEvent);
|
385
|
}
|
386
|
|
387
|
/**
|
388
|
* <p>
|
389
|
* onComplete
|
390
|
* </p>
|
391
|
*
|
392
|
* @return a boolean.
|
393
|
*/
|
394
|
@Override
|
395
|
public boolean onComplete() {
|
396
|
return true;
|
397
|
}
|
398
|
|
399
|
/*
|
400
|
* (non-Javadoc)
|
401
|
*
|
402
|
* @see org.eclipse.ui.part.WorkbenchPart#showBusy(boolean)
|
403
|
*/
|
404
|
/** {@inheritDoc} */
|
405
|
@Override
|
406
|
public void showBusy(boolean busy) {
|
407
|
super.showBusy(busy);
|
408
|
getCommonViewer().getControl().setEnabled(!busy);
|
409
|
if (busy) {
|
410
|
partNameCache = getPartName();
|
411
|
setPartName("Loading datasources");
|
412
|
} else {
|
413
|
if (partNameCache != null) {
|
414
|
setPartName(partNameCache);
|
415
|
}
|
416
|
}
|
417
|
}
|
418
|
|
419
|
|
420
|
/* (non-Javadoc)
|
421
|
* @see java.util.Observer#update(java.util.Observable, java.lang.Object)
|
422
|
*/
|
423
|
@Override
|
424
|
public void update(Observable o, Object arg) {
|
425
|
if(o instanceof LoginManager){
|
426
|
refresh();
|
427
|
}
|
428
|
|
429
|
}
|
430
|
}
|