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Revision 605d9128

ID605d91286a11ea3db148c1744e6765b60f9b5c90
Parent 276ef31b
Child b74a2730

Added by Katja Luther over 1 year ago

minor - avoid NPE

View differences:

eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/selection/EntitySelectionElement.java
1
/**
2
 *
3
 */
4
package eu.etaxonomy.taxeditor.ui.selection;
5

  
6
import java.util.EnumSet;
7
import java.util.Observable;
8
import java.util.Observer;
9

  
10
import org.eclipse.core.runtime.IStatus;
11
import org.eclipse.jface.wizard.WizardDialog;
12
import org.eclipse.swt.SWT;
13
import org.eclipse.swt.events.SelectionAdapter;
14
import org.eclipse.swt.events.SelectionEvent;
15
import org.eclipse.swt.events.SelectionListener;
16
import org.eclipse.swt.graphics.Color;
17
import org.eclipse.swt.widgets.Button;
18
import org.eclipse.swt.widgets.Composite;
19
import org.eclipse.swt.widgets.Label;
20
import org.eclipse.swt.widgets.Shell;
21
import org.eclipse.swt.widgets.Text;
22
import org.springframework.security.core.GrantedAuthority;
23

  
24
import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
25
import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
26
import eu.etaxonomy.cdm.api.service.IService;
27
import eu.etaxonomy.cdm.common.CdmUtils;
28
import eu.etaxonomy.cdm.model.common.CdmBase;
29
import eu.etaxonomy.cdm.model.common.Group;
30
import eu.etaxonomy.cdm.model.common.IIdentifiableEntity;
31
import eu.etaxonomy.cdm.model.common.User;
32
import eu.etaxonomy.cdm.model.molecular.Amplification;
33
import eu.etaxonomy.cdm.model.molecular.Primer;
34
import eu.etaxonomy.cdm.model.reference.Reference;
35
import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;
36
import eu.etaxonomy.taxeditor.model.ImageResources;
37
import eu.etaxonomy.taxeditor.preference.Resources;
38
import eu.etaxonomy.taxeditor.store.CdmStore;
39
import eu.etaxonomy.taxeditor.store.LoginManager;
40
import eu.etaxonomy.taxeditor.store.StoreUtil;
41
import eu.etaxonomy.taxeditor.ui.dialog.selection.SelectionDialogFactory;
42
import eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement;
43
import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
44
import eu.etaxonomy.taxeditor.ui.element.CdmPropertyChangeEvent;
45
import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
46
import eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement;
47
import eu.etaxonomy.taxeditor.ui.element.IEntityElement;
48
import eu.etaxonomy.taxeditor.ui.element.ILabeledElement;
49
import eu.etaxonomy.taxeditor.ui.element.ISelectableElement;
50
import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
51
import eu.etaxonomy.taxeditor.ui.element.SelectionArbitrator;
52
import eu.etaxonomy.taxeditor.ui.section.grantedAuthority.GrantedAuthorityLabelTextProvider;
53

  
54
/**
55
 * @author n.hoffmann
56
 * @created Nov 17, 2009
57
 * @version 1.0
58
 * @param <T>
59
 */
60
public class EntitySelectionElement<T extends CdmBase> extends
61
		AbstractCdmFormElement implements  SelectionListener, IEnableableFormElement, ISelectableElement, IEntityElement<T>, ILabeledElement, //IConversationEnabled,
62
		Observer {
63

  
64
	private static final EnumSet<CRUD> UPDATE = EnumSet.of(CRUD.UPDATE);
65
	private static final EnumSet<CRUD> DELETE = EnumSet.of(CRUD.DELETE);
66
	private static final EnumSet<CRUD> CREATE = EnumSet.of(CRUD.CREATE);
67

  
68
	/**
69
	 * Bitmask for configuring functionality of selection element
70
	 */
71
	public static final int NOTHING = 0; // 0000
72
	public static final int EDITABLE = 1 << 0; // 0001
73
	public static final int DELETABLE = 1 << 1; // 0010
74
	public static final int SELECTABLE = 1 << 2; // 0100
75
	public static final int EXTERNAL = 1 << 3; // 1000
76
	public static final int ALL = EDITABLE | DELETABLE | SELECTABLE ; // 0111
77
	public static final int ALL_WITH_EXT = EDITABLE | DELETABLE | SELECTABLE | EXTERNAL ; // 1111
78
	protected T entity;
79
	protected T filteredEntity;
80

  
81
	protected Label label;
82
	protected Text text;
83
	protected Button button_selection;
84

  
85
	protected Button button_selectionExt;
86

  
87
	private SelectionArbitrator selectionArbitrator;
88

  
89
	protected Button button_edit;
90

  
91
	private final String labelString;
92

  
93
	private Composite selectableComposite;
94

  
95
	private Button button_remove;
96

  
97
	private final boolean isEditable;
98

  
99
	private final boolean isDeletable;
100
	private final boolean isExternal;
101

  
102
//	private final ConversationHolder conversation;
103
	private Class<T> clazz;
104

  
105
	public EntitySelectionElement(CdmFormFactory formFactory,
106
//			ConversationHolder conversation,
107
	        ICdmFormElement parentElement, Class<T> clazz,
108
			String labelString, T entity, int mode, int style, boolean filterElement) {
109
		super(formFactory, parentElement);
110

  
111
		this.clazz = clazz;
112
		this.isEditable = (mode & EDITABLE) == EDITABLE;
113
		this.isDeletable = (mode & DELETABLE) == DELETABLE;
114
		this.isExternal= (mode & EXTERNAL) == EXTERNAL;
115
		boolean isSelectable = (mode & SELECTABLE) == SELECTABLE;
116

  
117
		this.labelString = (labelString == null || labelString.equals("")) ? "" : labelString;
118

  
119
//		this.conversation = conversation;
120

  
121
		if (isSelectable && formFactory.getSelectionProvider() != null) {
122
			selectionArbitrator = formFactory.createSelectionArbitrator(this);
123
		}
124

  
125
		createControls(getLayoutComposite(), SWT.NULL);
126
		if (filterElement){
127
		    setFilteredEntity(entity);
128
		}else{
129
		    setEntity(entity);
130
		}
131
	}
132

  
133
    private void setFilteredEntity(T filterEntity) {
134
        this.filteredEntity =filterEntity;
135

  
136
    }
137

  
138
    public EntitySelectionElement(CdmFormFactory formFactory,//ConversationHolder conversation,
139
             ICdmFormElement parentElement, Class<T> clazz,
140
            String labelString, T entity, int mode, int style){
141
        this(formFactory, //conversation,
142
                parentElement, clazz, labelString, entity, mode, style, false);
143
    }
144

  
145
	private void createControls(Composite parent, int style) {
146

  
147
		label = formFactory.createLabel(getLayoutComposite(), labelString,
148
				SWT.NULL);
149

  
150
		addControl(label);
151

  
152
		selectableComposite = formFactory.createComposite(getLayoutComposite());
153

  
154
		int columns = 2;
155
		if (isEditable) {
156
			columns += 1;
157
		}
158
		if (isDeletable) {
159
			columns += 1;
160
		}
161
		if (isExternal) {
162
            columns += 1;
163
        }
164

  
165
		selectableComposite.setLayout(LayoutConstants.LAYOUT(columns, false));
166
		selectableComposite.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
167

  
168
		addControl(selectableComposite);
169

  
170
		text = formFactory.createText(selectableComposite, null, SWT.WRAP);
171
		text.setEditable(false);
172
		addControl(text);
173

  
174
		text.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
175
		text.setBackground(StoreUtil
176
				.getColor(Resources.COLOR_TEXT_DISABLED_BACKGROUND));
177

  
178
		button_selection = formFactory.createButton(selectableComposite, null,
179
				SWT.PUSH);
180
		button_selection.setImage(ImageResources
181
				.getImage(ImageResources.BROWSE_ICON));
182
		button_selection.setToolTipText("Browse existing");
183

  
184
		addControl(button_selection);
185
		button_selection.addSelectionListener(this);
186
		if (isExternal){
187
    		button_selectionExt = formFactory.createButton(selectableComposite, null,
188
                    SWT.PUSH);
189
    		button_selectionExt.setImage(ImageResources
190
                    .getImage(ImageResources.BROWSE_ICON));
191
    		button_selectionExt.setToolTipText("Browse existing from external cdm store");
192
    		button_selectionExt.setText("Ext");
193
            addControl(button_selectionExt);
194
            button_selectionExt.addSelectionListener(this);
195
		}
196
		if (isEditable) {
197
			button_edit = formFactory.createButton(selectableComposite, null,
198
					SWT.PUSH);
199
			button_edit.setImage(ImageResources
200
					.getImage(ImageResources.EDIT_ICON));
201
			button_edit.setToolTipText("Edit");
202
			addControl(button_edit);
203
			button_edit.addSelectionListener(new EditListener(this));
204
		}
205

  
206
		if (isDeletable) {
207
			button_remove = formFactory.createButton(selectableComposite, null,
208
					SWT.PUSH);
209
			button_remove.setImage(ImageResources
210
					.getImage(ImageResources.TRASH_ICON));
211
			button_remove.setToolTipText("Remove");
212
			addControl(button_remove);
213
			button_remove.addSelectionListener(new DeleteListener(this));
214
		}
215
	}
216

  
217
	@Override
218
    public void widgetSelected(SelectionEvent e) {
219
	    if (e.getSource().equals(button_selection) ){
220
	        T selection = SelectionDialogFactory.getSelectionFromDialog(clazz, getShell(), //getConversationHolder(),
221
	                getEntity(), getParentElement());
222
            setSelectionInternal(selection);
223
            if(!getLayoutComposite().isDisposed()){
224
                StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
225
            }
226
	    }else{
227
	        Reference selection = SelectionDialogFactory.getSelectionFromExtDialog(Reference.class, getShell(),//null,
228
	                getParentElement());
229
            setSelectionInternal((T)selection);
230
	    }
231

  
232
	}
233

  
234
	/**
235
     * @return
236
     */
237
    public T getFilteredEntity() {
238

  
239
        return this.filteredEntity;
240
    }
241

  
242
    /**
243
	 * Return the selected object
244
	 *
245
	 * @return a T object.
246
	 */
247
	public T getSelection() {
248
		return entity;
249
	}
250

  
251
	/*
252
	 * (non-Javadoc)
253
	 *
254
	 * @see
255
	 * eu.etaxonomy.taxeditor.forms.IEnableableFormElement#setEnabled(boolean)
256
	 */
257
	/** {@inheritDoc} */
258
	@Override
259
	public void setEnabled(boolean enabled) {
260

  
261
		button_selection.setEnabled(enabled);
262
		if (isDeletable){
263
		    button_remove.setEnabled(enabled);
264
		}
265
		if (isEditable) {
266
			updateButtonStates();
267
		}
268

  
269
	}
270

  
271
	/* (non-Javadoc)
272
	 * @see eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement#isEnabled()
273
	 */
274
	@Override
275
	public boolean isEnabled() {
276
	    return button_selection.isEnabled();
277
	}
278

  
279
	/**
280
	 * <p>
281
	 * setSelectionInternal
282
	 * </p>
283
	 *
284
	 * @param selection
285
	 *            a T object.
286
	 */
287
	protected void setSelectionInternal(T selection) {
288
		if (selection != null && !selection.equals(this.entity)) {
289
			setEntity(selection);
290
			firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
291
		}
292
	}
293

  
294
	/**
295
	 * <p>
296
	 * Setter for the field <code>entity</code>.
297
	 * </p>
298
	 *
299
	 * @param selection
300
	 *            a T object.
301
	 */
302
	public void setEntity(T selection) {
303
		this.entity = selection;
304
		updateElement();
305
	}
306

  
307
	/**
308
	 * Updates this elements view
309
	 */
310
	protected void updateElement() {
311
		String title = CdmUtils.Nz(getTitle());
312
		text.setText(title); // title can be null
313
		if (isEditable) {
314
			updateButtonStates();
315
		}
316
	}
317

  
318
    public void updateFromWizard() {
319
		updateElement();
320
		firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
321
	}
322

  
323
	/**
324
	 * <p>
325
	 * getTitle
326
	 * </p>
327
	 *
328
	 * @return a {@link java.lang.String} object.
329
	 */
330
	protected String getTitle() {
331
		if (entity != null){
332
			if(entity instanceof Group){
333
				return ((Group) entity).getName();
334
			} else if(entity instanceof GrantedAuthority){
335
				return GrantedAuthorityLabelTextProvider.getText(((GrantedAuthority) entity));
336
			} else if(entity instanceof User){
337
                return ((User) entity).getUsername();
338
            } else if (entity instanceof Primer){
339
                return ((Primer) entity).getLabel();
340
            } else if (entity instanceof Amplification){
341
                return ((Amplification) entity).getLabelCache();
342
            }
343
            else if(entity instanceof IIdentifiableEntity) {
344
                return ((IIdentifiableEntity) entity).getTitleCache();
345
            }
346

  
347
		}
348
		return "";
349
	}
350

  
351
	/** {@inheritDoc} */
352
	@Override
353
	public void setSelected(boolean selected) {
354
		setBackground(selected ? SELECTED : getPersistentBackground());
355
	}
356

  
357
	/*
358
	 * (non-Javadoc)
359
	 *
360
	 * @see eu.etaxonomy.taxeditor.forms.IEntityElement#getEntity()
361
	 */
362
	/**
363
	 * <p>
364
	 * Getter for the field <code>entity</code>.
365
	 * </p>
366
	 *
367
	 * @return a T object.
368
	 */
369
	@Override
370
	public T getEntity() {
371
		return entity;
372
	}
373

  
374
	/*
375
	 * (non-Javadoc)
376
	 *
377
	 * @see eu.etaxonomy.taxeditor.forms.section.cdmdetail.ISelectableElement#
378
	 * getSelectionArbitrator()
379
	 */
380
	/**
381
	 * <p>
382
	 * Getter for the field <code>selectionArbitrator</code>.
383
	 * </p>
384
	 *
385
	 * @return a {@link eu.etaxonomy.taxeditor.ui.element.SelectionArbitrator}
386
	 *         object.
387
	 */
388
	@Override
389
	public SelectionArbitrator getSelectionArbitrator() {
390
		return selectionArbitrator;
391
	}
392

  
393
	/**
394
	 * Convenient access to current shell
395
	 *
396
	 * @return a {@link org.eclipse.swt.widgets.Shell} object.
397
	 */
398
    public Shell getShell() {
399
		return getLayoutComposite().getShell();
400
	}
401

  
402
	/** {@inheritDoc} */
403
	@Override
404
	public void setIrrelevant(boolean irrelevant) {
405
		String colorId = irrelevant ? Resources.COLOR_COMPOSITE_IRRELEVANT
406
				: Resources.COLOR_TEXT_DISABLED_BACKGROUND;
407

  
408
		Color color = StoreUtil.getColor(colorId);
409
		text.setBackground(color);
410
	}
411

  
412
	private class DeleteListener extends SelectionAdapter {
413

  
414
		private final EntitySelectionElement<T> selectionElement;
415

  
416
		public DeleteListener(EntitySelectionElement<T> selectionElement) {
417
			this.selectionElement = selectionElement;
418
		}
419

  
420
		@Override
421
		public void widgetSelected(SelectionEvent e) {
422
			setEntity(null);
423
			firePropertyChangeEvent(new CdmPropertyChangeEvent(
424
					selectionElement, null));
425
		}
426
	}
427

  
428
	private class EditListener extends SelectionAdapter {
429

  
430
        private final EntitySelectionElement<T> selectionElement;
431

  
432
		public EditListener(EntitySelectionElement<T> selectionElement) {
433
			this.selectionElement = selectionElement;
434
		}
435

  
436
		/** {@inheritDoc} */
437
		@Override
438
		public void widgetSelected(SelectionEvent e) {
439
			WizardDialog dialog = new WizardDialog(selectionElement.getShell(),
440
					new EditFromSelectionWizard(selectionElement));
441
			if (dialog.open() == IStatus.OK) {
442
				selectionElement.updateFromWizard();
443
				//if the edited entity has already been persisted
444
				//but the transient entity is still set in this
445
				//EntitySelectionElement, re-load it and set it
446
				IService<T> service = CdmStore.getService(entity);
447
				if(entity.getId()==0){
448
					T loadedEntity = service.load(entity.getUuid());
449
					if(loadedEntity!=null){
450
						setEntity(loadedEntity);
451
					}
452
				}
453
			}
454
		}
455
	}
456

  
457
	// not used
458
	/** {@inheritDoc} */
459
	@Override
460
	public void widgetDefaultSelected(SelectionEvent e) {
461
	}
462

  
463
	/**
464
	 * <p>
465
	 * getConversationHolder
466
	 * </p>
467
	 *
468
	 * @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
469
	 *         object.
470
	 */
471
//	@Override
472
	public ConversationHolder getConversationHolder() {
473
	    if(getParentElement() instanceof IConversationEnabled) {
474
            return ((IConversationEnabled)getParentElement()).getConversationHolder();
475
        }
476
	    return null;
477
	}
478

  
479
	/** {@inheritDoc} */
480
	@Override
481
	public void setBackground(Color color) {
482
	    if(!label.isDisposed()){
483
	        label.setBackground(color);
484
	    }
485
	}
486

  
487
	/** {@inheritDoc} */
488
	@Override
489
	public void setLabel(String labelString) {
490
		if (label != null) {
491
			label.setText(labelString);
492
		}
493
	}
494

  
495
	/**
496
	 * <p>
497
	 * Getter for the field <code>label</code>.
498
	 * </p>
499
	 *
500
	 * @return a {@link java.lang.String} object.
501
	 */
502
	@Override
503
	public String getLabel() {
504
		if (label != null) {
505
			return label.getText() + " : ";
506
		}
507
		return null;
508
	}
509

  
510
	/** {@inheritDoc} */
511
//	@Override
512
//	public void update(CdmDataChangeMap changeEvents) {
513
//	}
514

  
515
	/* (non-Javadoc)
516
	 * @see eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement#removeElements()
517
	 */
518
	@Override
519
    public void removeElements(){
520
		super.removeElements();
521
		LoginManager loginManager = CdmStore.getLoginManager();
522
		loginManager.addObserver(this);
523
	}
524

  
525
	@Override
526
	public void update(Observable o, Object arg) {
527
		if(o instanceof LoginManager){
528
			updateButtonStates();
529
		}
530
	}
531

  
532
	private void updateButtonStates() {
533
	    if(button_edit != null && !button_selection.isDisposed()){
534
	        button_edit.setEnabled(isEditable && button_selection.isEnabled() && getEntity() != null  && CdmStore.currentAuthentiationHasPermission(getEntity(), UPDATE));
535
	    }
536
	}
537
}
1
/**
2
 *
3
 */
4
package eu.etaxonomy.taxeditor.ui.selection;
5

  
6
import java.util.EnumSet;
7
import java.util.Observable;
8
import java.util.Observer;
9

  
10
import org.eclipse.core.runtime.IStatus;
11
import org.eclipse.jface.wizard.WizardDialog;
12
import org.eclipse.swt.SWT;
13
import org.eclipse.swt.events.SelectionAdapter;
14
import org.eclipse.swt.events.SelectionEvent;
15
import org.eclipse.swt.events.SelectionListener;
16
import org.eclipse.swt.graphics.Color;
17
import org.eclipse.swt.widgets.Button;
18
import org.eclipse.swt.widgets.Composite;
19
import org.eclipse.swt.widgets.Label;
20
import org.eclipse.swt.widgets.Shell;
21
import org.eclipse.swt.widgets.Text;
22
import org.springframework.security.core.GrantedAuthority;
23

  
24
import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
25
import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
26
import eu.etaxonomy.cdm.api.service.IService;
27
import eu.etaxonomy.cdm.common.CdmUtils;
28
import eu.etaxonomy.cdm.model.common.CdmBase;
29
import eu.etaxonomy.cdm.model.common.Group;
30
import eu.etaxonomy.cdm.model.common.IIdentifiableEntity;
31
import eu.etaxonomy.cdm.model.common.User;
32
import eu.etaxonomy.cdm.model.molecular.Amplification;
33
import eu.etaxonomy.cdm.model.molecular.Primer;
34
import eu.etaxonomy.cdm.model.reference.Reference;
35
import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;
36
import eu.etaxonomy.taxeditor.model.ImageResources;
37
import eu.etaxonomy.taxeditor.preference.Resources;
38
import eu.etaxonomy.taxeditor.store.CdmStore;
39
import eu.etaxonomy.taxeditor.store.LoginManager;
40
import eu.etaxonomy.taxeditor.store.StoreUtil;
41
import eu.etaxonomy.taxeditor.ui.dialog.selection.SelectionDialogFactory;
42
import eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement;
43
import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
44
import eu.etaxonomy.taxeditor.ui.element.CdmPropertyChangeEvent;
45
import eu.etaxonomy.taxeditor.ui.element.ICdmFormElement;
46
import eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement;
47
import eu.etaxonomy.taxeditor.ui.element.IEntityElement;
48
import eu.etaxonomy.taxeditor.ui.element.ILabeledElement;
49
import eu.etaxonomy.taxeditor.ui.element.ISelectableElement;
50
import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
51
import eu.etaxonomy.taxeditor.ui.element.SelectionArbitrator;
52
import eu.etaxonomy.taxeditor.ui.section.grantedAuthority.GrantedAuthorityLabelTextProvider;
53

  
54
/**
55
 * @author n.hoffmann
56
 * @created Nov 17, 2009
57
 * @version 1.0
58
 * @param <T>
59
 */
60
public class EntitySelectionElement<T extends CdmBase> extends
61
		AbstractCdmFormElement implements  SelectionListener, IEnableableFormElement, ISelectableElement, IEntityElement<T>, ILabeledElement, //IConversationEnabled,
62
		Observer {
63

  
64
	private static final EnumSet<CRUD> UPDATE = EnumSet.of(CRUD.UPDATE);
65
	private static final EnumSet<CRUD> DELETE = EnumSet.of(CRUD.DELETE);
66
	private static final EnumSet<CRUD> CREATE = EnumSet.of(CRUD.CREATE);
67

  
68
	/**
69
	 * Bitmask for configuring functionality of selection element
70
	 */
71
	public static final int NOTHING = 0; // 0000
72
	public static final int EDITABLE = 1 << 0; // 0001
73
	public static final int DELETABLE = 1 << 1; // 0010
74
	public static final int SELECTABLE = 1 << 2; // 0100
75
	public static final int EXTERNAL = 1 << 3; // 1000
76
	public static final int ALL = EDITABLE | DELETABLE | SELECTABLE ; // 0111
77
	public static final int ALL_WITH_EXT = EDITABLE | DELETABLE | SELECTABLE | EXTERNAL ; // 1111
78
	protected T entity;
79
	protected T filteredEntity;
80

  
81
	protected Label label;
82
	protected Text text;
83
	protected Button button_selection;
84

  
85
	protected Button button_selectionExt;
86

  
87
	private SelectionArbitrator selectionArbitrator;
88

  
89
	protected Button button_edit;
90

  
91
	private final String labelString;
92

  
93
	private Composite selectableComposite;
94

  
95
	private Button button_remove;
96

  
97
	private final boolean isEditable;
98

  
99
	private final boolean isDeletable;
100
	private final boolean isExternal;
101

  
102
//	private final ConversationHolder conversation;
103
	private Class<T> clazz;
104

  
105
	public EntitySelectionElement(CdmFormFactory formFactory,
106
//			ConversationHolder conversation,
107
	        ICdmFormElement parentElement, Class<T> clazz,
108
			String labelString, T entity, int mode, int style, boolean filterElement) {
109
		super(formFactory, parentElement);
110

  
111
		this.clazz = clazz;
112
		this.isEditable = (mode & EDITABLE) == EDITABLE;
113
		this.isDeletable = (mode & DELETABLE) == DELETABLE;
114
		this.isExternal= (mode & EXTERNAL) == EXTERNAL;
115
		boolean isSelectable = (mode & SELECTABLE) == SELECTABLE;
116

  
117
		this.labelString = (labelString == null || labelString.equals("")) ? "" : labelString;
118

  
119
//		this.conversation = conversation;
120

  
121
		if (isSelectable && formFactory.getSelectionProvider() != null) {
122
			selectionArbitrator = formFactory.createSelectionArbitrator(this);
123
		}
124

  
125
		createControls(getLayoutComposite(), SWT.NULL);
126
		if (filterElement){
127
		    setFilteredEntity(entity);
128
		}else{
129
		    setEntity(entity);
130
		}
131
	}
132

  
133
    private void setFilteredEntity(T filterEntity) {
134
        this.filteredEntity =filterEntity;
135

  
136
    }
137

  
138
    public EntitySelectionElement(CdmFormFactory formFactory,//ConversationHolder conversation,
139
             ICdmFormElement parentElement, Class<T> clazz,
140
            String labelString, T entity, int mode, int style){
141
        this(formFactory, //conversation,
142
                parentElement, clazz, labelString, entity, mode, style, false);
143
    }
144

  
145
	private void createControls(Composite parent, int style) {
146

  
147
		label = formFactory.createLabel(getLayoutComposite(), labelString,
148
				SWT.NULL);
149

  
150
		addControl(label);
151

  
152
		selectableComposite = formFactory.createComposite(getLayoutComposite());
153

  
154
		int columns = 2;
155
		if (isEditable) {
156
			columns += 1;
157
		}
158
		if (isDeletable) {
159
			columns += 1;
160
		}
161
		if (isExternal) {
162
            columns += 1;
163
        }
164

  
165
		selectableComposite.setLayout(LayoutConstants.LAYOUT(columns, false));
166
		selectableComposite.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
167

  
168
		addControl(selectableComposite);
169

  
170
		text = formFactory.createText(selectableComposite, null, SWT.WRAP);
171
		text.setEditable(false);
172
		addControl(text);
173

  
174
		text.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
175
		text.setBackground(StoreUtil
176
				.getColor(Resources.COLOR_TEXT_DISABLED_BACKGROUND));
177

  
178
		button_selection = formFactory.createButton(selectableComposite, null,
179
				SWT.PUSH);
180
		button_selection.setImage(ImageResources
181
				.getImage(ImageResources.BROWSE_ICON));
182
		button_selection.setToolTipText("Browse existing");
183

  
184
		addControl(button_selection);
185
		button_selection.addSelectionListener(this);
186
		if (isExternal){
187
    		button_selectionExt = formFactory.createButton(selectableComposite, null,
188
                    SWT.PUSH);
189
    		button_selectionExt.setImage(ImageResources
190
                    .getImage(ImageResources.BROWSE_ICON));
191
    		button_selectionExt.setToolTipText("Browse existing from external cdm store");
192
    		button_selectionExt.setText("Ext");
193
            addControl(button_selectionExt);
194
            button_selectionExt.addSelectionListener(this);
195
		}
196
		if (isEditable) {
197
			button_edit = formFactory.createButton(selectableComposite, null,
198
					SWT.PUSH);
199
			button_edit.setImage(ImageResources
200
					.getImage(ImageResources.EDIT_ICON));
201
			button_edit.setToolTipText("Edit");
202
			addControl(button_edit);
203
			button_edit.addSelectionListener(new EditListener(this));
204
		}
205

  
206
		if (isDeletable) {
207
			button_remove = formFactory.createButton(selectableComposite, null,
208
					SWT.PUSH);
209
			button_remove.setImage(ImageResources
210
					.getImage(ImageResources.TRASH_ICON));
211
			button_remove.setToolTipText("Remove");
212
			addControl(button_remove);
213
			button_remove.addSelectionListener(new DeleteListener(this));
214
		}
215
	}
216

  
217
	@Override
218
    public void widgetSelected(SelectionEvent e) {
219
	    if (e.getSource().equals(button_selection) ){
220
	        T selection = SelectionDialogFactory.getSelectionFromDialog(clazz, getShell(), //getConversationHolder(),
221
	                getEntity(), getParentElement());
222
            setSelectionInternal(selection);
223
            if(!getLayoutComposite().isDisposed()){
224
                StoreUtil.reflowParentScrolledForm(getLayoutComposite(), true);
225
            }
226
	    }else{
227
	        Reference selection = SelectionDialogFactory.getSelectionFromExtDialog(Reference.class, getShell(),//null,
228
	                getParentElement());
229
            setSelectionInternal((T)selection);
230
	    }
231

  
232
	}
233

  
234
	/**
235
     * @return
236
     */
237
    public T getFilteredEntity() {
238

  
239
        return this.filteredEntity;
240
    }
241

  
242
    /**
243
	 * Return the selected object
244
	 *
245
	 * @return a T object.
246
	 */
247
	public T getSelection() {
248
		return entity;
249
	}
250

  
251
	/*
252
	 * (non-Javadoc)
253
	 *
254
	 * @see
255
	 * eu.etaxonomy.taxeditor.forms.IEnableableFormElement#setEnabled(boolean)
256
	 */
257
	/** {@inheritDoc} */
258
	@Override
259
	public void setEnabled(boolean enabled) {
260

  
261
		button_selection.setEnabled(enabled);
262
		if (isDeletable){
263
		    button_remove.setEnabled(enabled);
264
		}
265
		if (isEditable) {
266
			updateButtonStates();
267
		}
268

  
269
	}
270

  
271
	/* (non-Javadoc)
272
	 * @see eu.etaxonomy.taxeditor.ui.element.IEnableableFormElement#isEnabled()
273
	 */
274
	@Override
275
	public boolean isEnabled() {
276
	    return button_selection.isEnabled();
277
	}
278

  
279
	/**
280
	 * <p>
281
	 * setSelectionInternal
282
	 * </p>
283
	 *
284
	 * @param selection
285
	 *            a T object.
286
	 */
287
	protected void setSelectionInternal(T selection) {
288
		if (selection != null && !selection.equals(this.entity)) {
289
			setEntity(selection);
290
			firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
291
		}
292
	}
293

  
294
	/**
295
	 * <p>
296
	 * Setter for the field <code>entity</code>.
297
	 * </p>
298
	 *
299
	 * @param selection
300
	 *            a T object.
301
	 */
302
	public void setEntity(T selection) {
303
		this.entity = selection;
304
		updateElement();
305
	}
306

  
307
	/**
308
	 * Updates this elements view
309
	 */
310
	protected void updateElement() {
311
		String title = CdmUtils.Nz(getTitle());
312
		text.setText(title); // title can be null
313
		if (isEditable) {
314
			updateButtonStates();
315
		}
316
	}
317

  
318
    public void updateFromWizard() {
319
		updateElement();
320
		firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
321
	}
322

  
323
	/**
324
	 * <p>
325
	 * getTitle
326
	 * </p>
327
	 *
328
	 * @return a {@link java.lang.String} object.
329
	 */
330
	protected String getTitle() {
331
		if (entity != null){
332
			if(entity instanceof Group){
333
				return ((Group) entity).getName();
334
			} else if(entity instanceof GrantedAuthority){
335
				return GrantedAuthorityLabelTextProvider.getText(((GrantedAuthority) entity));
336
			} else if(entity instanceof User){
337
                return ((User) entity).getUsername();
338
            } else if (entity instanceof Primer){
339
                return ((Primer) entity).getLabel();
340
            } else if (entity instanceof Amplification){
341
                return ((Amplification) entity).getLabelCache();
342
            }
343
            else if(entity instanceof IIdentifiableEntity) {
344
                return ((IIdentifiableEntity) entity).getTitleCache();
345
            }
346

  
347
		}
348
		return "";
349
	}
350

  
351
	/** {@inheritDoc} */
352
	@Override
353
	public void setSelected(boolean selected) {
354
		setBackground(selected ? SELECTED : getPersistentBackground());
355
	}
356

  
357
	/*
358
	 * (non-Javadoc)
359
	 *
360
	 * @see eu.etaxonomy.taxeditor.forms.IEntityElement#getEntity()
361
	 */
362
	/**
363
	 * <p>
364
	 * Getter for the field <code>entity</code>.
365
	 * </p>
366
	 *
367
	 * @return a T object.
368
	 */
369
	@Override
370
	public T getEntity() {
371
		return entity;
372
	}
373

  
374
	/*
375
	 * (non-Javadoc)
376
	 *
377
	 * @see eu.etaxonomy.taxeditor.forms.section.cdmdetail.ISelectableElement#
378
	 * getSelectionArbitrator()
379
	 */
380
	/**
381
	 * <p>
382
	 * Getter for the field <code>selectionArbitrator</code>.
383
	 * </p>
384
	 *
385
	 * @return a {@link eu.etaxonomy.taxeditor.ui.element.SelectionArbitrator}
386
	 *         object.
387
	 */
388
	@Override
389
	public SelectionArbitrator getSelectionArbitrator() {
390
		return selectionArbitrator;
391
	}
392

  
393
	/**
394
	 * Convenient access to current shell
395
	 *
396
	 * @return a {@link org.eclipse.swt.widgets.Shell} object.
397
	 */
398
    public Shell getShell() {
399
		return getLayoutComposite().getShell();
400
	}
401

  
402
	/** {@inheritDoc} */
403
	@Override
404
	public void setIrrelevant(boolean irrelevant) {
405
		String colorId = irrelevant ? Resources.COLOR_COMPOSITE_IRRELEVANT
406
				: Resources.COLOR_TEXT_DISABLED_BACKGROUND;
407

  
408
		Color color = StoreUtil.getColor(colorId);
409
		text.setBackground(color);
410
	}
411

  
412
	private class DeleteListener extends SelectionAdapter {
413

  
414
		private final EntitySelectionElement<T> selectionElement;
415

  
416
		public DeleteListener(EntitySelectionElement<T> selectionElement) {
417
			this.selectionElement = selectionElement;
418
		}
419

  
420
		@Override
421
		public void widgetSelected(SelectionEvent e) {
422
			setEntity(null);
423
			firePropertyChangeEvent(new CdmPropertyChangeEvent(
424
					selectionElement, null));
425
		}
426
	}
427

  
428
	private class EditListener extends SelectionAdapter {
429

  
430
        private final EntitySelectionElement<T> selectionElement;
431

  
432
		public EditListener(EntitySelectionElement<T> selectionElement) {
433
			this.selectionElement = selectionElement;
434
		}
435

  
436
		/** {@inheritDoc} */
437
		@Override
438
		public void widgetSelected(SelectionEvent e) {
439
			WizardDialog dialog = new WizardDialog(selectionElement.getShell(),
440
					new EditFromSelectionWizard(selectionElement));
441
			if (dialog.open() == IStatus.OK) {
442
				selectionElement.updateFromWizard();
443
				//if the edited entity has already been persisted
444
				//but the transient entity is still set in this
445
				//EntitySelectionElement, re-load it and set it
446
				IService<T> service = CdmStore.getService(entity);
447
				if(entity.getId()==0){
448
					T loadedEntity = service.load(entity.getUuid());
449
					if(loadedEntity!=null){
450
						setEntity(loadedEntity);
451
					}
452
				}
453
			}
454
		}
455
	}
456

  
457
	// not used
458
	/** {@inheritDoc} */
459
	@Override
460
	public void widgetDefaultSelected(SelectionEvent e) {
461
	}
462

  
463
	/**
464
	 * <p>
465
	 * getConversationHolder
466
	 * </p>
467
	 *
468
	 * @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
469
	 *         object.
470
	 */
471
//	@Override
472
	public ConversationHolder getConversationHolder() {
473
	    if(getParentElement() instanceof IConversationEnabled) {
474
            return ((IConversationEnabled)getParentElement()).getConversationHolder();
475
        }
476
	    return null;
477
	}
478

  
479
	/** {@inheritDoc} */
480
	@Override
481
	public void setBackground(Color color) {
482

  
483
	    if(label != null && !label.isDisposed()){
484
	        label.setBackground(color);
485
	    }
486
	}
487

  
488
	/** {@inheritDoc} */
489
	@Override
490
	public void setLabel(String labelString) {
491
		if (label != null) {
492
			label.setText(labelString);
493
		}
494
	}
495

  
496
	/**
497
	 * <p>
498
	 * Getter for the field <code>label</code>.
499
	 * </p>
500
	 *
501
	 * @return a {@link java.lang.String} object.
502
	 */
503
	@Override
504
	public String getLabel() {
505
		if (label != null) {
506
			return label.getText() + " : ";
507
		}
508
		return null;
509
	}
510

  
511
	/** {@inheritDoc} */
512
//	@Override
513
//	public void update(CdmDataChangeMap changeEvents) {
514
//	}
515

  
516
	/* (non-Javadoc)
517
	 * @see eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement#removeElements()
518
	 */
519
	@Override
520
    public void removeElements(){
521
		super.removeElements();
522
		LoginManager loginManager = CdmStore.getLoginManager();
523
		loginManager.addObserver(this);
524
	}
525

  
526
	@Override
527
	public void update(Observable o, Object arg) {
528
		if(o instanceof LoginManager){
529
			updateButtonStates();
530
		}
531
	}
532

  
533
	private void updateButtonStates() {
534
	    if(button_edit != null && !button_selection.isDisposed()){
535
	        button_edit.setEnabled(isEditable && button_selection.isEnabled() && getEntity() != null  && CdmStore.currentAuthentiationHasPermission(getEntity(), UPDATE));
536
	    }
537
	}
538
}

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