Project

General

Profile

Download (24.2 KB) Statistics
| Branch: | Tag: | Revision:
1
/**
2
 * Copyright (C) 2007 EDIT
3
 * European Distributed Institute of Taxonomy
4
 * http://www.e-taxonomy.eu
5
 *
6
 * The contents of this file are subject to the Mozilla Public License Version 1.1
7
 * See LICENSE.TXT at the top of this package for the full license terms.
8
 */
9

    
10
package eu.etaxonomy.taxeditor.editor.name.e4.container;
11

    
12
import java.util.Iterator;
13
import java.util.List;
14
import java.util.Set;
15

    
16
import org.apache.commons.lang.StringUtils;
17
import org.eclipse.core.runtime.Assert;
18
import org.eclipse.e4.ui.di.UISynchronize;
19
import org.eclipse.jface.dialogs.Dialog;
20
import org.eclipse.jface.text.IDocument;
21
import org.eclipse.jface.text.Position;
22
import org.eclipse.jface.window.DefaultToolTip;
23
import org.eclipse.swt.custom.StyledText;
24
import org.eclipse.swt.dnd.DND;
25
import org.eclipse.swt.dnd.DragSource;
26
import org.eclipse.swt.dnd.Transfer;
27
import org.eclipse.swt.events.ControlAdapter;
28
import org.eclipse.swt.events.ControlEvent;
29
import org.eclipse.swt.events.ControlListener;
30
import org.eclipse.swt.events.FocusAdapter;
31
import org.eclipse.swt.events.FocusEvent;
32
import org.eclipse.swt.events.FocusListener;
33
import org.eclipse.swt.events.ModifyEvent;
34
import org.eclipse.swt.events.ModifyListener;
35
import org.eclipse.swt.events.MouseAdapter;
36
import org.eclipse.swt.events.MouseEvent;
37
import org.eclipse.swt.graphics.Color;
38
import org.eclipse.swt.graphics.Font;
39
import org.eclipse.swt.graphics.Image;
40
import org.eclipse.swt.widgets.Composite;
41
import org.eclipse.swt.widgets.Control;
42
import org.eclipse.swt.widgets.Display;
43
import org.eclipse.swt.widgets.Label;
44
import org.eclipse.ui.forms.IFormPart;
45
import org.eclipse.ui.forms.IManagedForm;
46
import org.eclipse.ui.forms.widgets.TableWrapData;
47
import org.eclipse.ui.forms.widgets.TableWrapLayout;
48

    
49
import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
50
import eu.etaxonomy.cdm.model.common.CdmBase;
51
import eu.etaxonomy.cdm.model.name.TaxonName;
52
import eu.etaxonomy.cdm.model.taxon.TaxonBase;
53
import eu.etaxonomy.cdm.strategy.parser.ParserProblem;
54
import eu.etaxonomy.taxeditor.editor.CdmDataTransfer;
55
import eu.etaxonomy.taxeditor.editor.l10n.Messages;
56
import eu.etaxonomy.taxeditor.editor.name.container.EditorAnnotation;
57
import eu.etaxonomy.taxeditor.editor.name.container.EditorAnnotation.EditorAnnotationType;
58
import eu.etaxonomy.taxeditor.editor.name.container.IContainerConstants;
59
import eu.etaxonomy.taxeditor.editor.name.container.LineBreakListener;
60
import eu.etaxonomy.taxeditor.editor.name.container.LineWrapSupport;
61
import eu.etaxonomy.taxeditor.editor.name.e4.TaxonNameEditorE4;
62
import eu.etaxonomy.taxeditor.editor.name.e4.dnd.NameEditorDragListenerE4;
63
import eu.etaxonomy.taxeditor.editor.name.e4.dnd.NameEditorDragSourceEffect;
64
import eu.etaxonomy.taxeditor.editor.name.operation.CreateSynonymInNewGroupOperation;
65
import eu.etaxonomy.taxeditor.model.AbstractUtility;
66
import eu.etaxonomy.taxeditor.model.IElementHasDetails;
67
import eu.etaxonomy.taxeditor.model.NameHelper;
68
import eu.etaxonomy.taxeditor.model.TextHelper;
69
import eu.etaxonomy.taxeditor.parser.ParseHandler;
70
import eu.etaxonomy.taxeditor.preference.Resources;
71

    
72
/**
73
 * Formats <code>GroupedComposite</code> with cosmetic and layout properties
74
 * specific to the Editor. This should be used to maintain a consistent look and
75
 * feel for all Editor freetext area components, such as
76
 * DescriptionElementComposite.
77
 * <p>
78
 * Requires an <code>IManagedForm</code>, whose <code>input</code> is set to the
79
 * contents of {@link #getData()} when the <code>GroupedComposite</code> gets
80
 * focus, i.e. to populate the property sheet with the data.
81
 * </p>
82
 * <p>
83
 * The <code>IManagedForm</code> is also required to have a <code>Taxon</code>
84
 * in its own <code>getData()</code>.
85
 * </p>
86
 * <p>
87
 * The <code>IManagedForm</code> can also used for drawing borders by calling
88
 * the method <code>createBorderSupport()</code>.
89
 * </p>
90
 * @author pplitzner
91
 * @date Aug 24, 2017
92
 *
93
 * @param <T>
94
 */
95
abstract public class AbstractGroupedContainerE4<T extends TaxonBase> implements
96
		IFormPart, IContainerConstants, IElementHasDetails {
97

    
98
	protected ParseHandler parseHandler;
99

    
100
	private FocusListener nameCompositeFocusListener;
101
	private ModifyListener nameCompositeModifyListener;
102

    
103
	protected NameViewerE4 nameViewer;
104

    
105
	private AbstractGroupE4 group;
106

    
107
	private Label nonEditableInfoLabel;
108
	private DefaultToolTip nonEditableInfoHover;
109

    
110
	private static AbstractGroupedContainerE4<?> selection;
111

    
112
	private FocusListener focusListener;
113
	private LineBreakListener lineBreakListener;
114

    
115
	private int cursorPosition;
116

    
117
	protected Composite control;
118

    
119
	private Color backgroundColor;
120
	private boolean isDirty;
121

    
122
//    private ISelectionChangedListener selectionChangedListener;
123

    
124
	public AbstractGroupedContainerE4(AbstractGroupE4 group, T taxonBase) {
125
		setData(taxonBase);
126
		this.group = group;
127
		parseHandler = ParseHandler.NewInstance(taxonBase.getName());
128
	}
129

    
130
	public void createContent() {
131
		createControl();
132

    
133
		createTextViewer();
134
		createLineWrapSupport();
135
		createLineBreakListener();
136

    
137
		setMenu();
138

    
139
		setDraggableControl(new Control[] { getControl(),
140
				getNameViewer().getRulerControl() });
141

    
142
		createEmptyViewerPrompt(EMPTY_NAME_PROMPT);
143

    
144
		initializeComposite();
145

    
146
		createListener();
147

    
148
		enableFreeText();
149
	}
150

    
151
	protected void createListener() {
152
		nameCompositeModifyListener = (ModifyEvent e)->{
153
				// mark the composite dirty
154
				setDirty(true);
155
				// parse the text
156
				String text = nameViewer.getTextWidget().getText();
157

    
158
				TaxonName name = (TaxonName)parseHandler.parse(text);
159
				getTaxonBase().setName(name);
160
				getTaxonBase().setTitleCache((getTaxonBase().generateTitle()));
161

    
162
				// show errors resulting from parsing
163
				calculateAnnotations();
164
				// store the position of the cursor
165
				storeCursor();
166
				// notify selection listener
167
				setDelayedSelection();
168
		};
169

    
170
		nameCompositeFocusListener = new FocusAdapter() {
171

    
172
			@Override
173
			public void focusLost(FocusEvent e) {
174
				super.focusLost(e);
175

    
176
				persistName();
177
			}
178
		};
179

    
180
		addListener();
181
	}
182

    
183
	protected void addListener() {
184
		getNameViewer().getTextWidget().addModifyListener(
185
				nameCompositeModifyListener);
186
		getNameViewer().getTextWidget().addFocusListener(
187
				nameCompositeFocusListener);
188
	}
189

    
190
	protected void removeListener() {
191
		getNameViewer().getTextWidget().removeModifyListener(
192
				nameCompositeModifyListener);
193
		getNameViewer().getTextWidget().removeFocusListener(
194
				nameCompositeFocusListener);
195
	}
196

    
197
	/**
198
	 * Initialize the composite specific code
199
	 */
200
	protected abstract void initializeComposite();
201

    
202
	protected String getEmptyTextPrompt() {
203
		return EMPTY_NAME_PROMPT;
204
	}
205

    
206
	protected void initTextViewer() {
207

    
208
		updateIndent();
209

    
210
		updateIcon();
211

    
212
		String text = NameHelper.getDisplayNameWithRef(getData());
213

    
214
		if (text.length() == 0) {
215
			initEmptyText();
216
		} else {
217
			getNameViewer().setText(text);
218
			placeCursor();
219
		}
220
		calculateAnnotations();
221
	}
222

    
223
	synchronized protected void calculateAnnotations() {
224
		getNameViewer().clearAnnotations();
225
		showAnnotations();
226
	}
227

    
228
	public void showAnnotations() {
229

    
230
		if (getName() != null && getName().hasProblem()) {
231
			showParsingProblems();
232
		}
233

    
234
		if (!isNameParsable()) {
235
			getNameViewer()
236
					.addAnnotation(
237
							new EditorAnnotation(EditorAnnotationType.WARNING,
238
									0,
239
									Messages.AbstractGroupedContainer_EDIT_IN_DETAILS_VIEW));
240
		}
241

    
242
		if (isNameUsedMultipleTimes()) {
243
			getNameViewer().addAnnotation(
244
					new EditorAnnotation(EditorAnnotationType.WARNING, 0,
245
							Messages.AbstractGroupedContainer_MULTIPLE_USE));
246
		}
247

    
248
	}
249

    
250
	private void showParsingProblems() {
251
		TaxonName name = getName();
252
		if (name == null){
253
			return;
254
		}
255

    
256
		List<ParserProblem> parsingProblems = name.getParsingProblems();
257

    
258
		for (ParserProblem problem : parsingProblems) {
259
			getNameViewer().addAnnotation(new EditorAnnotation(problem),
260
					getParsingProblemPosition());
261
		}
262
	}
263

    
264
	private Position getParsingProblemPosition() {
265
		String text = getNameViewer().getTextWidget().getText();
266

    
267
		if (getName() != null && getName().hasProblem() && text.length() > 0) {
268
			int start = getName().getProblemStarts();
269
			int length = getName().getProblemEnds() - start;
270

    
271
			if (start == -1 || getName().getProblemEnds() == -1) {
272
				return null;
273
			}
274

    
275
			// Don't let squigglies try to draw beyond the end of the text
276
			if (text.length() < start + length) {
277
				length = text.length() - start;
278
			}
279
			if (length<0){
280
				return null;
281
			}
282
			return new Position(start, length);
283
		}
284
		return null;
285
	}
286

    
287
	protected void handleSplitText(String text) {
288
		// Create a synonym in a new homotypic group using text as name
289
		TaxonName synonymName = TaxonName.castAndDeproxy(
290
				ParseHandler.parseReferencedName(text, null));
291

    
292
		AbstractUtility.executeOperation(new CreateSynonymInNewGroupOperation(
293
				Messages.AbstractGroupedContainer_NEW_HETERO_SYNONYM, getEditor().getUndoContext(),
294
				getEditor().getTaxon(), synonymName, getEditor()), group.getContext().get(UISynchronize.class));
295
	}
296

    
297
	/**
298
	 * Refreshes the display with latest data from the model.
299
	 *
300
	 * Note: Will not parse the text and not calculate errors!
301
	 */
302
	@Override
303
    public void refresh() {
304
		// showNameRelations();
305

    
306
		String text = NameHelper.getDisplayNameWithRef(getTaxonBase());
307

    
308
		if (getNameViewer().getTextWidget() == null) {
309
			// we might get here via dnd. Look slike it can be ignored
310
			return;
311
		}
312

    
313
		if (text.length() == 0) {
314
			initEmptyText();
315
		} else if (!getNameViewer().getTextWidget().getText().equals(text)) {
316
			removeListener();
317
			getNameViewer().getTextWidget().setText(text);
318
			addListener();
319
		}
320

    
321
		updateNonEditableInfo();
322

    
323
		updateIcon();
324
		// placeCursor();
325
		updateIndent();
326

    
327
		enableFreeText();
328
	}
329

    
330
	protected abstract void updateIcon();
331

    
332
	protected abstract void updateIndent();
333

    
334
	protected abstract void updateNonEditableInfo();
335

    
336
	protected void enableFreeText() {
337
		setEnabled(isFreetextEditingAllowed());
338
	}
339

    
340
	/**
341
	 * Checks whether the freetext should be editable based on specific empty
342
	 * fields.
343
	 *
344
	 * @return
345
	 */
346
	private boolean isFreetextEditingAllowed() {
347
		boolean enableFreetext = true;
348

    
349
		enableFreetext |= isNameUsedMultipleTimes();
350
		enableFreetext &= isNameParsable();
351

    
352
		return enableFreetext;
353
	}
354

    
355
	/**
356
	 * Checks whether there are more than one, non-orphaned taxon bases
357
	 * attached to the taxon name
358
	 *
359
	 * @return
360
	 */
361
	private boolean isNameUsedMultipleTimes() {
362

    
363
		TaxonName name = getName();
364
		if (name != null){
365
			Set<TaxonBase> taxonBases = name.getTaxonBases();
366
			Iterator<TaxonBase> tbItr = taxonBases.iterator();
367
			int nonOrphanedTaxonBaseCount = taxonBases.size();
368

    
369
			while(tbItr.hasNext()) {
370
				TaxonBase<?> tb = tbItr.next();
371
				if(tb.isOrphaned()) {
372
					nonOrphanedTaxonBaseCount--;
373
				}
374
			}
375
			if(nonOrphanedTaxonBaseCount > 1) {
376
				return true;
377
			}
378
		}
379
		return false;
380
	}
381

    
382
	private boolean isNameParsable() {
383
		TaxonName name = getName();
384
		if (name == null){
385
			return false;
386
		}
387

    
388
		boolean isParsable = true;
389
		isParsable &= StringUtils.isBlank(name.getAppendedPhrase()); // taxonFieldsEmpty();
390
        if (name.isProtectedAuthorshipCache()){
391
            isParsable &= nameAuthorsSet(name);
392
        }
393
        if (name.isProtectedNameCache()){
394
            isParsable &= nameEpithetsNotSet(name) && nameAuthorsSet(name);
395
        }
396

    
397
		return isParsable;
398
	}
399

    
400
	/**
401
     * @param name
402
     * @return
403
     */
404
    private boolean nameAuthorsSet(TaxonName name) {
405
       boolean result = true;
406
       result &= name.getBasionymAuthorship() == null && name.getCombinationAuthorship() == null && name.getExBasionymAuthorship() == null && name.getExCombinationAuthorship() == null;
407
       return result;
408
    }
409

    
410
    /**
411
     * @param name
412
     * @return
413
     */
414
    private boolean nameEpithetsNotSet(TaxonName name) {
415
        boolean result = true;
416
        result &= name.getGenusOrUninomial() == null && name.getInfraGenericEpithet() == null && name.getSpecificEpithet() == null && name.getInfraSpecificEpithet() == null;
417

    
418
        return result;
419
    }
420

    
421
    /**
422
	 * Parse the text and calculate errors
423
	 */
424
	public void parseAndCalculateAnnotations() {
425
		removeListener();
426
		String unparsedNameString = getNameViewer().getTextWidget().getText();
427
		parseHandler.parse(unparsedNameString);
428
		addListener();
429
		calculateAnnotations();
430
	}
431

    
432
	public T getTaxonBase() {
433
		return getData();
434
	}
435

    
436
	public TaxonName getName() {
437
		return CdmBase.deproxy(getTaxonBase().getName());
438
	}
439

    
440
	public void persistName() {
441
		if (isDirty()) {
442
			getNameViewer().getTextWidget().setEnabled(false);
443
			final String unparsedNameString = getNameViewer().getTextWidget()
444
					.getText();
445
			final TaxonName name = (TaxonName)parseHandler
446
					.parseAndResolveDuplicates(unparsedNameString);
447
			getTaxonBase().setName(name);
448
			getTaxonBase().setTitleCache((getTaxonBase().generateTitle()));
449
			setDirty(false);
450
			getNameViewer().getTextWidget().setEnabled(true);
451
		}
452
	}
453

    
454
	public AbstractGroupE4 getGroup() {
455
		if (group == null) {
456
			throw new IllegalStateException("Group shall not be null."); //$NON-NLS-1$
457
		}
458
		return group;
459
	}
460

    
461
	public void remove() {
462
		getGroup().remove(this);
463
	}
464

    
465
	protected void createControl() {
466
		control = getEditor().getToolkit().createComposite(
467
				getGroup().getControl());
468

    
469
		control.setLayoutData(new TableWrapData(TableWrapData.FILL_GRAB));
470
		TableWrapLayout layout = new TableWrapLayout();
471
		layout.leftMargin = 0;
472
		layout.rightMargin = 0;
473
		layout.topMargin = 5;
474
		layout.bottomMargin = 5;
475

    
476
		layout.verticalSpacing = 0;
477
		layout.horizontalSpacing = 0;
478

    
479
		control.setLayout(layout);
480

    
481
	}
482

    
483
	protected TaxonNameEditorE4 getEditor() {
484
		return getGroup().getEditor();
485
	}
486

    
487
	public Composite getControl() {
488
		return control;
489
	}
490

    
491
	protected void createLineWrapSupport() {
492
		new LineWrapSupport(getNameViewer(), getEditor().getManagedForm());
493
	}
494

    
495
	protected void createTextViewer() {
496
		nameViewer = new NameViewerE4(control);
497

    
498
		focusListener = new FocusAdapter() {
499
			@Override
500
			public void focusGained(FocusEvent e) {
501
			    if (getEditor()
502
                        .getGroupedContainers().isEmpty()){
503
			        return;
504
			    }
505

    
506
				for (AbstractGroupedContainerE4<?> container : getEditor()
507
						.getGroupedContainers()) {
508
					container.colorSelected(NOT_SELECTED);
509
				}
510
				getEditor().getManagedForm().setInput(
511
						AbstractGroupedContainerE4.this);
512
				placeCursor();
513
				colorSelected(SELECTED_FOCUS);
514
			}
515
		};
516
		nameViewer.getTextWidget().addFocusListener(focusListener);
517

    
518
		MouseAdapter mouseListener = new MouseAdapter() {
519
			@Override
520
			public void mouseDown(MouseEvent e) {
521
				storeCursor();
522
			}
523
		};
524
		control.addMouseListener(mouseListener);
525
		nameViewer.getRulerControl().addMouseListener(mouseListener);
526
		nameViewer.getTextWidget().addMouseListener(mouseListener);
527
	}
528

    
529
	public void setIcon(Image icon) {
530
		getNameViewer().setIcon(icon);
531
	}
532

    
533
	public void setIndent(int indent) {
534
		if (control.getLayout() instanceof TableWrapLayout) {
535
			TableWrapLayout layout = ((TableWrapLayout) control.getLayout());
536
			layout.leftMargin = indent;
537
			layout.rightMargin = ACCEPTED_INDENT;
538
			control.setLayout(layout);
539
			control.layout();
540
		} else {
541
			throw new RuntimeException(
542
					"Couldn't indent - composite's layout must be TableWrapLayout."); //$NON-NLS-1$
543
		}
544
	}
545

    
546
	public void setSelected() {
547
		getNameViewer().getTextWidget().setFocus();
548
	}
549

    
550
	public boolean isSelected() {
551
		return getEditor().getSelectedContainer() == this;
552
	}
553

    
554
	public void colorSelected(int mode) {
555
		if (!control.isDisposed()) {
556
			String colorString = null;
557

    
558
			switch (mode) {
559
			case SELECTED_FOCUS:
560
				colorString = Resources.COLOR_CONTROL_SELECTED_FOCUS;
561
				break;
562
			case SELECTED_NO_FOCUS:
563
				colorString = Resources.COLOR_CONTROL_SELECTED;
564
				break;
565
			default:
566
				colorString = Resources.COLOR_COMPOSITE_BACKGROUND;
567
			}
568

    
569
			backgroundColor = AbstractUtility.getColor(colorString);
570

    
571
			setBackground(backgroundColor);
572
		}
573
	}
574

    
575
	private Delay delay = new Delay(Display.getCurrent());
576

    
577
	private class Delay extends Thread{
578

    
579
	    private volatile boolean stop = false;
580
        private Display display;
581

    
582
        public Delay(Display display) {
583
            this.display = display;
584
        }
585
        @Override
586
        public void run() {
587

    
588
            while (!stop) {
589
                try {
590
                    // my code goes here
591
                    Thread.sleep(1000);
592
                    if(!stop){
593
                        display.syncExec(() -> {
594
                                getEditor().getManagedForm().setInput(selection);
595
                        });
596
                        stop = true;
597
                    }
598
                } catch (InterruptedException ex) {
599
                    stop = true;
600
                }
601
            }
602
        }
603
        public void requestStop() {
604
            stop = true;
605
        }
606
	}
607

    
608
	protected void setDelayedSelection() {
609
		selection = this;
610

    
611
		Display display = Display.getCurrent();
612

    
613
		delay.requestStop();
614
		delay = new Delay(display);
615
		delay.start();
616

    
617
	}
618

    
619
	public void setBackground(Color color) {
620
		control.setBackground(color);
621

    
622
		for (Control child : control.getChildren()) {
623
			child.setBackground(color);
624
		}
625

    
626
		getNameViewer().setBackground(color);
627
	}
628

    
629
	public void setFont(Font font) {
630
		getNameViewer().getTextWidget().setFont(font);
631
	}
632

    
633
	public NameViewerE4 getNameViewer() {
634
		if (nameViewer == null) {
635
			throw new RuntimeException(
636
					"The Name Viewer is corrupt for Name Container: " //$NON-NLS-1$
637
							+ getTaxonBase().getName().getTitleCache());
638
		}
639
		return nameViewer;
640
	}
641

    
642
	public void createEmptyViewerPrompt(final String prompt) {
643

    
644
		Assert.isNotNull(getNameViewer());
645

    
646
		final StyledText textControl = getNameViewer().getTextWidget();
647
		final IDocument document = getNameViewer().getDocument();
648

    
649
		setFocusListener(new FocusListener() {
650

    
651
			@Override
652
            public void focusGained(FocusEvent e) {
653
				if (document.get().equals(prompt)) {
654
					textControl.setFont(getViewerFont());
655
					document.set(""); //$NON-NLS-1$
656
				}
657
			}
658

    
659
			@Override
660
            public void focusLost(FocusEvent e) {
661
				if (document.getLength() == 0) {
662
					initEmptyText();
663
				}
664
			}
665

    
666
		});
667
		textControl.addFocusListener(getFocusListener());
668

    
669
		if (document.getLength() == 0) {
670
			textControl.setFont(AbstractUtility
671
					.getFont(Resources.FONT_DEFAULT_PROMPT));
672
			document.set(prompt);
673
		}
674
	}
675

    
676
	abstract protected Font getViewerFont();
677

    
678
	protected void initEmptyText() {
679
		Font defaultFont = AbstractUtility.getFont(Resources.FONT_DEFAULT_PROMPT);
680
		getNameViewer().getTextWidget().setFont(defaultFont);
681

    
682
		getNameViewer().getDocument().set(getEmptyTextPrompt());
683
		placeCursor();
684
	}
685

    
686
	protected void setFocusListener(FocusListener focusListener) {
687
		this.focusListener = focusListener;
688
	}
689

    
690
	private FocusListener getFocusListener() {
691
		return focusListener;
692
	}
693

    
694
	public void setDirty(boolean isDirty) {
695
		if (isDirty) {
696
			getEditor().getManagedForm().dirtyStateChanged();
697
		}
698
		this.isDirty = isDirty;
699
	}
700

    
701
	@Override
702
    public boolean isDirty() {
703
		return isDirty;
704
	}
705

    
706
	public void setMenu() {
707
        getEditor().getMenuService().registerContextMenu(getNameViewer().getTextWidget(), "eu.etaxonomy.taxeditor.editor.popupmenu.nameeditor");
708
	}
709

    
710
	private Control[] draggableControls;
711

    
712
	protected void setDraggableControl(Control[] controls) {
713
		draggableControls = controls;
714
	}
715

    
716
	public void setIsDraggable(boolean draggable) {
717

    
718
		if (draggable) {
719

    
720
			if (draggableControls == null) {
721
				throw new NullPointerException(
722
						"Draggable controls must be set to add draggability"); //$NON-NLS-1$
723
			}
724

    
725
			Transfer[] types = new Transfer[] { CdmDataTransfer.getInstance() };
726
			int operations = DND.DROP_MOVE;
727

    
728
			for (Control draggableControl : draggableControls) {
729
				DragSource dragSource = new DragSource(draggableControl,
730
						operations);
731
				dragSource.setTransfer(types);
732

    
733
				dragSource.addDragListener(new NameEditorDragListenerE4(this));
734
				dragSource.setDragSourceEffect(new NameEditorDragSourceEffect(
735
						control));
736
			}
737
		}
738
	}
739

    
740
	private String nonEditableText;
741

    
742
	ControlListener nonEditableResizeListener = new ControlAdapter() {
743

    
744
		int width = 0;
745

    
746
		@Override
747
		public void controlResized(ControlEvent e) {
748
			if (nonEditableInfoLabel.getBounds().width == width) {
749
				return;
750
			}
751
			width = nonEditableInfoLabel.getBounds().width;
752
			if (nonEditableInfoLabel.getBounds().width > 0) {
753
				nonEditableInfoLabel.setText(Dialog.shortenText(
754
						nonEditableText.toUpperCase(), nonEditableInfoLabel));
755
			}
756
		}
757
	};
758

    
759
	private String nonEditableHoverText;
760

    
761
	private LabelEllipsisListener nonEditableLabelEllipsisListener;
762

    
763
	private T data;
764

    
765
	/**
766
	 * nonEditableInfo is a label displayed underneath a GroupedComposite's
767
	 * input field. For instance, NameComposites display things like name
768
	 * relations, sec. references, etc. here.
769
	 *
770
	 * @param info
771
	 *            the text to display in the label
772
	 * @param append
773
	 *            whether the string should be appended to text that is already
774
	 *            shown in the label
775
	 */
776
	public void setNonEditableInfo(String info, boolean append) {
777
		// TODO non editable info should only be drawn once, when everything
778
		// else is drawn
779
		info = info.toUpperCase();
780

    
781
		if (append) {
782
			nonEditableText += ", " + info; //$NON-NLS-1$
783
			nonEditableHoverText += "\n" + info; //$NON-NLS-1$
784
		} else {
785
			nonEditableText = info;
786
			nonEditableHoverText = info;
787
		}
788

    
789
		if (nonEditableInfoLabel == null) {
790
			nonEditableInfoLabel = getEditor().getToolkit().createLabel(
791
					control, ""); //$NON-NLS-1$
792
			TableWrapData layoutData = new TableWrapData(
793
					TableWrapData.FILL_GRAB, TableWrapData.TOP);
794
			// Set indent to viewer ruler's width
795
			if (getNameViewer().getRulerControl() != null) {
796
				// TODO right justify
797
				layoutData.indent = NameViewerE4.RULER_WIDTH;
798
			}
799
			nonEditableInfoLabel.setLayoutData(layoutData);
800

    
801
			nonEditableLabelEllipsisListener = new LabelEllipsisListener(
802
					nonEditableInfoLabel) {
803
				@Override
804
				public String getLabelText() {
805
					return nonEditableText.toUpperCase();
806
				}
807
			};
808
			nonEditableInfoLabel
809
					.addControlListener(nonEditableLabelEllipsisListener);
810

    
811
			nonEditableInfoHover = new DefaultToolTip(nonEditableInfoLabel);
812
			nonEditableInfoHover.setRespectDisplayBounds(true);
813

    
814
		}
815
		nonEditableInfoHover.setText(nonEditableHoverText);
816
		nonEditableInfoLabel.setText(nonEditableText);
817

    
818
		calculateAnnotations();
819
	}
820

    
821
	@Override
822
    public T getData() {
823
		return data;
824
	}
825

    
826
	public void setData(T data) {
827
		this.data = HibernateProxyHelper.deproxy(data);
828
	}
829

    
830
	/**
831
	 * If the user hitting carriage return should cause something to happen -
832
	 * i.e. the creation of a new composite - call this method and override the
833
	 * method handleSplitText().
834
	 */
835
	protected void createLineBreakListener() {
836
		lineBreakListener = new LineBreakListener() {
837
			@Override
838
			public void handleSplitText(String text) {
839
				AbstractGroupedContainerE4.this.handleSplitText(text);
840
			}
841

    
842
		};
843

    
844
		getNameViewer().getTextWidget().addVerifyListener(lineBreakListener);
845

    
846
	}
847

    
848
	abstract class LabelEllipsisListener extends ControlAdapter {
849

    
850
		private final Label label;
851
		int width = 0;
852

    
853
		LabelEllipsisListener(Label label) {
854
			this.label = label;
855
		}
856

    
857
		abstract public String getLabelText();
858

    
859
		@Override
860
		public void controlResized(ControlEvent e) {
861
			if (label.getBounds().width == width) {
862
				return;
863
			}
864
			width = label.getBounds().width;
865
			if (label.getBounds().width > 0) {
866
				label.setText(TextHelper.shortenText(getLabelText(), label));
867
			}
868
		}
869
	}
870

    
871
	public void storeCursor() {
872
		this.cursorPosition = getNameViewer().getCursorPosition();
873
	}
874

    
875
	/**
876
	 * Puts the cursor to the position it was last seen on or to the end of line
877
	 * if no former position is known.
878
	 */
879
	public void placeCursor() {
880
		if (cursorPosition == 0) {
881
			getNameViewer().setCursorToEOL();
882
		} else {
883
			getNameViewer().setCursorPosition(cursorPosition);
884
		}
885
	}
886

    
887
	public void restoreColor() {
888
		setBackground(backgroundColor);
889
	}
890

    
891
	@Override
892
	public void initialize(IManagedForm form) {
893
		// TODO Auto-generated method stub
894

    
895
	}
896

    
897
	@Override
898
	public void dispose() {
899
		if (getControl() != null) {
900
			setMenu();
901
			getControl().dispose();
902
		}
903
	}
904

    
905
	@Override
906
	public void commit(boolean onSave) {
907
		if (isDirty()) {
908
			persistName();
909
		}
910
	}
911

    
912
	@Override
913
	public boolean setFormInput(Object input) {
914
		return false;
915
	}
916

    
917
	@Override
918
	public void setFocus() {
919
		getNameViewer().getControl().setFocus();
920
	}
921

    
922
	@Override
923
	public boolean isStale() {
924
		return false;
925
	}
926

    
927
	public void setDisabled(boolean disabled) {
928
		setEnabled(!disabled);
929
	}
930

    
931
	public void setEnabled(boolean enabled) {
932
		Color color = enabled ? control.getForeground() : AbstractUtility.getColor(Resources.COLOR_DISABLED_EDITOR);
933

    
934
		getNameViewer().getTextWidget().setEditable(enabled);
935
		getNameViewer().getTextWidget().setForeground(color);
936
	}
937

    
938

    
939
}
(2-2/11)