1
|
/**
|
2
|
*
|
3
|
*/
|
4
|
package eu.etaxonomy.taxeditor.ui.combo;
|
5
|
|
6
|
import java.util.ArrayList;
|
7
|
import java.util.Collections;
|
8
|
import java.util.Comparator;
|
9
|
import java.util.List;
|
10
|
|
11
|
import org.eclipse.jface.util.PropertyChangeEvent;
|
12
|
import org.eclipse.swt.SWT;
|
13
|
import org.eclipse.swt.events.DisposeEvent;
|
14
|
import org.eclipse.swt.events.DisposeListener;
|
15
|
import org.eclipse.swt.events.SelectionEvent;
|
16
|
import org.eclipse.swt.events.SelectionListener;
|
17
|
import org.eclipse.swt.graphics.Color;
|
18
|
import org.eclipse.swt.widgets.Combo;
|
19
|
import org.eclipse.swt.widgets.Label;
|
20
|
import org.eclipse.swt.widgets.Listener;
|
21
|
|
22
|
import eu.etaxonomy.cdm.api.service.IVocabularyService;
|
23
|
import eu.etaxonomy.cdm.model.common.DefinedTermBase;
|
24
|
import eu.etaxonomy.cdm.model.common.TermType;
|
25
|
import eu.etaxonomy.cdm.model.common.TermVocabulary;
|
26
|
import eu.etaxonomy.taxeditor.model.MessagingUtils;
|
27
|
import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
|
28
|
import eu.etaxonomy.taxeditor.preference.Resources;
|
29
|
import eu.etaxonomy.taxeditor.store.CdmStore;
|
30
|
import eu.etaxonomy.taxeditor.store.StoreUtil;
|
31
|
import eu.etaxonomy.taxeditor.store.TermManager;
|
32
|
import eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement;
|
33
|
import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
|
34
|
import eu.etaxonomy.taxeditor.ui.element.CdmPropertyChangeEvent;
|
35
|
import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
|
36
|
import eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement;
|
37
|
import eu.etaxonomy.taxeditor.ui.element.ISelectable;
|
38
|
import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
|
39
|
|
40
|
/**
|
41
|
* <p>
|
42
|
* Abstract AbstractTermComboElement class.
|
43
|
* </p>
|
44
|
*
|
45
|
* @author n.hoffmann
|
46
|
* @created Nov 5, 2009
|
47
|
* @version 1.0
|
48
|
* @param <VOC>
|
49
|
*/
|
50
|
public class VocabularyComboElement<TERM extends DefinedTermBase<TERM>, VOC extends TermVocabulary<TERM>>
|
51
|
extends AbstractCdmFormElement implements SelectionListener,
|
52
|
DisposeListener, IEnableableFormElement, ISelectable {
|
53
|
|
54
|
private static final int DEFAULT_VISIBLE_ITEMS = 10;
|
55
|
|
56
|
private VOC selection;
|
57
|
|
58
|
private VOC emptyElement;
|
59
|
private static String EMPTY_ELEMENT_LABEL = "";
|
60
|
|
61
|
protected Label label;
|
62
|
private final Combo combo;
|
63
|
|
64
|
private ArrayList<VOC> terms;
|
65
|
|
66
|
private Comparator<VOC> vocComparator;
|
67
|
|
68
|
private final TermType termType;
|
69
|
|
70
|
public VocabularyComboElement(CdmFormFactory formFactory,
|
71
|
ICdmFormElement parentElement, TermType termType, String labelString, VOC selection,
|
72
|
int style) {
|
73
|
super(formFactory, parentElement);
|
74
|
|
75
|
this.termType = termType;
|
76
|
|
77
|
if (labelString != null) {
|
78
|
label = formFactory.createLabel(getLayoutComposite(), labelString);
|
79
|
addControl(label);
|
80
|
}
|
81
|
|
82
|
// create combo
|
83
|
combo = new Combo(getLayoutComposite(), SWT.BORDER | SWT.READ_ONLY );//FIXME: removed this parameter seems break windows version: | style
|
84
|
addControl(combo);
|
85
|
combo.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
|
86
|
combo.setVisibleItemCount(DEFAULT_VISIBLE_ITEMS);
|
87
|
|
88
|
populateTerms(getVocabularies());
|
89
|
|
90
|
combo.addSelectionListener(this);
|
91
|
combo.addDisposeListener(this);
|
92
|
PreferencesUtil.getPreferenceStore().addPropertyChangeListener(this);
|
93
|
|
94
|
if (selection != null) {
|
95
|
setSelection(selection);
|
96
|
}
|
97
|
}
|
98
|
|
99
|
/**
|
100
|
* <p>
|
101
|
* Getter for the field <code>selection</code>.
|
102
|
* </p>
|
103
|
*
|
104
|
* @return a T object.
|
105
|
*/
|
106
|
public VOC getSelection() {
|
107
|
return selection;
|
108
|
}
|
109
|
|
110
|
/**
|
111
|
* <p>Sets the selection of the combo to the given T object.</p>
|
112
|
* <p>Passing <code>null</code> to this method will set the selection to
|
113
|
* the empty element and effectively clear the selection</p>
|
114
|
*
|
115
|
* @param selection
|
116
|
* a T object or <code>null</code> to clear the selection
|
117
|
*/
|
118
|
public void setSelection(VOC selection) {
|
119
|
this.selection = selection;
|
120
|
|
121
|
this.selection = selection;
|
122
|
|
123
|
Listener[] listeners = combo.getListeners(SWT.Selection);
|
124
|
|
125
|
for (Listener listener : listeners) {
|
126
|
combo.removeListener(SWT.Selection, listener);
|
127
|
}
|
128
|
int selectedIndex;
|
129
|
if(selection == null){
|
130
|
// set selection to the emptyElement
|
131
|
selectedIndex = 0;
|
132
|
}else{
|
133
|
selectedIndex = terms.indexOf(selection);
|
134
|
if (selectedIndex == -1) {
|
135
|
createTermNotInPreferredTerms(selection);
|
136
|
selectedIndex = terms.indexOf(selection);
|
137
|
}
|
138
|
}
|
139
|
combo.select(selectedIndex);
|
140
|
|
141
|
for (Listener listener : listeners) {
|
142
|
combo.addListener(SWT.Selection, listener);
|
143
|
}
|
144
|
}
|
145
|
|
146
|
/**
|
147
|
* Fills the combo with elements and sets up the convenience functions
|
148
|
* for selection index
|
149
|
*
|
150
|
* @param preferredTerms
|
151
|
*/
|
152
|
private void populateTerms(List<VOC> preferredTerms) {
|
153
|
|
154
|
combo.removeAll();
|
155
|
|
156
|
terms = new ArrayList<VOC>();
|
157
|
|
158
|
int i = 1;
|
159
|
int index = 0;
|
160
|
|
161
|
// Add an empty element for when nothing was selected yet
|
162
|
combo.add(EMPTY_ELEMENT_LABEL);
|
163
|
terms.add(emptyElement);
|
164
|
|
165
|
if (vocComparator != null) {
|
166
|
Collections.sort(preferredTerms, vocComparator);
|
167
|
}
|
168
|
for (VOC term : preferredTerms) {
|
169
|
String label = getLabel(term);
|
170
|
if (label == null) {
|
171
|
if (term.getTitleCache() != null) {
|
172
|
label = term.getTitleCache();
|
173
|
MessagingUtils.warn(getClass(),
|
174
|
"Term does not have a default language representation: " + label
|
175
|
+ ", " + term.getUuid());
|
176
|
} else {
|
177
|
label = "Unknown";
|
178
|
MessagingUtils.warn(getClass(),
|
179
|
"Representation Label and TitleCache empty for term: "
|
180
|
+ term + ", " + term.getUuid());
|
181
|
}
|
182
|
|
183
|
}
|
184
|
|
185
|
combo.add(label);
|
186
|
terms.add(term);
|
187
|
|
188
|
i++;
|
189
|
if (selection != null) {
|
190
|
if (selection.equals(term)) {
|
191
|
index = i;
|
192
|
}
|
193
|
}
|
194
|
}
|
195
|
|
196
|
if (selection != null && index == 0) {
|
197
|
createTermNotInPreferredTerms(selection);
|
198
|
}
|
199
|
|
200
|
combo.select(index);
|
201
|
}
|
202
|
|
203
|
/*
|
204
|
* (non-Javadoc)
|
205
|
* @see eu.etaxonomy.taxeditor.forms.IEnableableFormElement#setEnabled(boolean)
|
206
|
*/
|
207
|
/** {@inheritDoc} */
|
208
|
@Override
|
209
|
public void setEnabled(boolean enabled) {
|
210
|
combo.setEnabled(enabled);
|
211
|
}
|
212
|
|
213
|
/* (non-Javadoc)
|
214
|
* @see eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement#isEnabled()
|
215
|
*/
|
216
|
@Override
|
217
|
public boolean isEnabled() {
|
218
|
return combo.isEnabled();
|
219
|
}
|
220
|
|
221
|
/**
|
222
|
* <p>
|
223
|
* preferredTerms
|
224
|
* </p>
|
225
|
*
|
226
|
* @return a {@link java.util.List} object.
|
227
|
*/
|
228
|
protected List<VOC> getVocabularies(){
|
229
|
List<TermVocabulary<TERM>> list = CdmStore.getService(IVocabularyService.class).<TERM>findByTermType(termType);
|
230
|
return (List<VOC>) list;
|
231
|
}
|
232
|
|
233
|
/**
|
234
|
* May be overridden by derived classes if the desired label string does not
|
235
|
* reside in term.getLabel();
|
236
|
*
|
237
|
* @param term
|
238
|
* a T object.
|
239
|
* @return a {@link java.lang.String} object.
|
240
|
*/
|
241
|
protected String getLabel(VOC term) {
|
242
|
if (term == null){
|
243
|
return "";
|
244
|
}else{
|
245
|
return term.getLabel(CdmStore.getDefaultLanguage());
|
246
|
}
|
247
|
}
|
248
|
|
249
|
/**
|
250
|
*
|
251
|
*
|
252
|
* @param term
|
253
|
*/
|
254
|
private void createTermNotInPreferredTerms(VOC term) {
|
255
|
List<VOC> preferredTerms = getVocabularies();
|
256
|
|
257
|
preferredTerms.add(term);
|
258
|
|
259
|
populateTerms(preferredTerms);
|
260
|
}
|
261
|
|
262
|
/**
|
263
|
* <p>
|
264
|
* addSelectionListener
|
265
|
* </p>
|
266
|
*
|
267
|
* @param listener
|
268
|
* a {@link org.eclipse.swt.events.SelectionListener} object.
|
269
|
*/
|
270
|
public void addSelectionListener(SelectionListener listener) {
|
271
|
combo.addSelectionListener(listener);
|
272
|
}
|
273
|
|
274
|
/**
|
275
|
* <p>
|
276
|
* removeSelectionListener
|
277
|
* </p>
|
278
|
*
|
279
|
* @param listener
|
280
|
* a {@link org.eclipse.swt.events.SelectionListener} object.
|
281
|
*/
|
282
|
public void removeSelectionListener(SelectionListener listener) {
|
283
|
combo.removeSelectionListener(listener);
|
284
|
}
|
285
|
|
286
|
/*
|
287
|
* (non-Javadoc)
|
288
|
*
|
289
|
* @see
|
290
|
* org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt
|
291
|
* .events.SelectionEvent)
|
292
|
*/
|
293
|
/** {@inheritDoc} */
|
294
|
@Override
|
295
|
public void widgetSelected(SelectionEvent e) {
|
296
|
selection = terms.get(combo.getSelectionIndex());
|
297
|
firePropertyChangeEvent(new CdmPropertyChangeEvent(this, e));
|
298
|
}
|
299
|
|
300
|
/*
|
301
|
* (non-Javadoc)
|
302
|
*
|
303
|
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.
|
304
|
* PropertyChangeEvent)
|
305
|
*/
|
306
|
/** {@inheritDoc} */
|
307
|
@Override
|
308
|
public void propertyChange(PropertyChangeEvent event) {
|
309
|
super.propertyChange(event);
|
310
|
if (event != null
|
311
|
&& PreferencesUtil.PREFERRED_TERMS_CHANGE.equals(event
|
312
|
.getProperty())) {
|
313
|
populateTerms(getVocabularies());
|
314
|
}
|
315
|
}
|
316
|
|
317
|
/** {@inheritDoc} */
|
318
|
@Override
|
319
|
public void setSelected(boolean selected) {
|
320
|
setBackground(selected ? SELECTED : getPersistentBackground());
|
321
|
}
|
322
|
|
323
|
/** {@inheritDoc} */
|
324
|
@Override
|
325
|
public void widgetDisposed(DisposeEvent e) {
|
326
|
PreferencesUtil.getPreferenceStore().removePropertyChangeListener(this);
|
327
|
}
|
328
|
|
329
|
// not used
|
330
|
/** {@inheritDoc} */
|
331
|
@Override
|
332
|
public void widgetDefaultSelected(SelectionEvent e) {
|
333
|
}
|
334
|
|
335
|
/** {@inheritDoc} */
|
336
|
@Override
|
337
|
public void setIrrelevant(boolean irrelevant) {
|
338
|
String colorId = irrelevant ? Resources.COLOR_COMPOSITE_IRRELEVANT
|
339
|
: Resources.COLOR_COMPOSITE_BACKGROUND;
|
340
|
|
341
|
Color color = StoreUtil.getColor(colorId);
|
342
|
combo.setBackground(color);
|
343
|
}
|
344
|
|
345
|
/** {@inheritDoc} */
|
346
|
@Override
|
347
|
public void setBackground(Color color) {
|
348
|
if (label != null) {
|
349
|
label.setBackground(color);
|
350
|
}
|
351
|
}
|
352
|
|
353
|
/**
|
354
|
*
|
355
|
*/
|
356
|
protected TermManager getTermManager() {
|
357
|
return CdmStore.getTermManager();
|
358
|
}
|
359
|
|
360
|
/**
|
361
|
*
|
362
|
* @return
|
363
|
*/
|
364
|
public int getVisibleItemCount(){
|
365
|
return combo.getVisibleItemCount();
|
366
|
}
|
367
|
|
368
|
/**
|
369
|
*
|
370
|
* @param count
|
371
|
*/
|
372
|
public void setVisibleItemCount(int count){
|
373
|
combo.setVisibleItemCount(count);
|
374
|
}
|
375
|
|
376
|
public void removeEmptyElement(){
|
377
|
terms.remove(emptyElement);
|
378
|
combo.remove(EMPTY_ELEMENT_LABEL);
|
379
|
}
|
380
|
|
381
|
}
|