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comparison org.eclipse.jface.text/src/org/eclipse/jface/text/DefaultInformationControl.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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1 /*******************************************************************************
2 * Copyright (c) 2000, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module org.eclipse.jface.text.DefaultInformationControl;
14
15 import org.eclipse.jface.text.IDocumentPartitioningListener; // packageimport
16 import org.eclipse.jface.text.DefaultTextHover; // packageimport
17 import org.eclipse.jface.text.AbstractInformationControl; // packageimport
18 import org.eclipse.jface.text.TextUtilities; // packageimport
19 import org.eclipse.jface.text.IInformationControlCreatorExtension; // packageimport
20 import org.eclipse.jface.text.AbstractInformationControlManager; // packageimport
21 import org.eclipse.jface.text.ITextViewerExtension2; // packageimport
22 import org.eclipse.jface.text.IDocumentPartitioner; // packageimport
23 import org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport
24 import org.eclipse.jface.text.ITextSelection; // packageimport
25 import org.eclipse.jface.text.Document; // packageimport
26 import org.eclipse.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport
27 import org.eclipse.jface.text.ITextListener; // packageimport
28 import org.eclipse.jface.text.BadPartitioningException; // packageimport
29 import org.eclipse.jface.text.ITextViewerExtension5; // packageimport
30 import org.eclipse.jface.text.IDocumentPartitionerExtension3; // packageimport
31 import org.eclipse.jface.text.IUndoManager; // packageimport
32 import org.eclipse.jface.text.ITextHoverExtension2; // packageimport
33 import org.eclipse.jface.text.IRepairableDocument; // packageimport
34 import org.eclipse.jface.text.IRewriteTarget; // packageimport
35 import org.eclipse.jface.text.DefaultPositionUpdater; // packageimport
36 import org.eclipse.jface.text.RewriteSessionEditProcessor; // packageimport
37 import org.eclipse.jface.text.TextViewerHoverManager; // packageimport
38 import org.eclipse.jface.text.DocumentRewriteSession; // packageimport
39 import org.eclipse.jface.text.TextViewer; // packageimport
40 import org.eclipse.jface.text.ITextViewerExtension8; // packageimport
41 import org.eclipse.jface.text.RegExMessages; // packageimport
42 import org.eclipse.jface.text.IDelayedInputChangeProvider; // packageimport
43 import org.eclipse.jface.text.ITextOperationTargetExtension; // packageimport
44 import org.eclipse.jface.text.IWidgetTokenOwner; // packageimport
45 import org.eclipse.jface.text.IViewportListener; // packageimport
46 import org.eclipse.jface.text.GapTextStore; // packageimport
47 import org.eclipse.jface.text.MarkSelection; // packageimport
48 import org.eclipse.jface.text.IDocumentPartitioningListenerExtension; // packageimport
49 import org.eclipse.jface.text.IDocumentAdapterExtension; // packageimport
50 import org.eclipse.jface.text.IInformationControlExtension; // packageimport
51 import org.eclipse.jface.text.IDocumentPartitioningListenerExtension2; // packageimport
52 import org.eclipse.jface.text.DefaultDocumentAdapter; // packageimport
53 import org.eclipse.jface.text.ITextViewerExtension3; // packageimport
54 import org.eclipse.jface.text.IInformationControlCreator; // packageimport
55 import org.eclipse.jface.text.TypedRegion; // packageimport
56 import org.eclipse.jface.text.ISynchronizable; // packageimport
57 import org.eclipse.jface.text.IMarkRegionTarget; // packageimport
58 import org.eclipse.jface.text.TextViewerUndoManager; // packageimport
59 import org.eclipse.jface.text.IRegion; // packageimport
60 import org.eclipse.jface.text.IInformationControlExtension2; // packageimport
61 import org.eclipse.jface.text.IDocumentExtension4; // packageimport
62 import org.eclipse.jface.text.IDocumentExtension2; // packageimport
63 import org.eclipse.jface.text.IDocumentPartitionerExtension2; // packageimport
64 import org.eclipse.jface.text.Assert; // packageimport
65 import org.eclipse.jface.text.IWidgetTokenOwnerExtension; // packageimport
66 import org.eclipse.jface.text.DocumentClone; // packageimport
67 import org.eclipse.jface.text.DefaultUndoManager; // packageimport
68 import org.eclipse.jface.text.IFindReplaceTarget; // packageimport
69 import org.eclipse.jface.text.IAutoEditStrategy; // packageimport
70 import org.eclipse.jface.text.ILineTrackerExtension; // packageimport
71 import org.eclipse.jface.text.IUndoManagerExtension; // packageimport
72 import org.eclipse.jface.text.TextSelection; // packageimport
73 import org.eclipse.jface.text.DefaultAutoIndentStrategy; // packageimport
74 import org.eclipse.jface.text.IAutoIndentStrategy; // packageimport
75 import org.eclipse.jface.text.IPainter; // packageimport
76 import org.eclipse.jface.text.IInformationControl; // packageimport
77 import org.eclipse.jface.text.IInformationControlExtension3; // packageimport
78 import org.eclipse.jface.text.ITextViewerExtension6; // packageimport
79 import org.eclipse.jface.text.IInformationControlExtension4; // packageimport
80 import org.eclipse.jface.text.DefaultLineTracker; // packageimport
81 import org.eclipse.jface.text.IDocumentInformationMappingExtension; // packageimport
82 import org.eclipse.jface.text.IRepairableDocumentExtension; // packageimport
83 import org.eclipse.jface.text.ITextHover; // packageimport
84 import org.eclipse.jface.text.FindReplaceDocumentAdapter; // packageimport
85 import org.eclipse.jface.text.ILineTracker; // packageimport
86 import org.eclipse.jface.text.Line; // packageimport
87 import org.eclipse.jface.text.ITextViewerExtension; // packageimport
88 import org.eclipse.jface.text.IDocumentAdapter; // packageimport
89 import org.eclipse.jface.text.TextEvent; // packageimport
90 import org.eclipse.jface.text.BadLocationException; // packageimport
91 import org.eclipse.jface.text.AbstractDocument; // packageimport
92 import org.eclipse.jface.text.AbstractLineTracker; // packageimport
93 import org.eclipse.jface.text.TreeLineTracker; // packageimport
94 import org.eclipse.jface.text.ITextPresentationListener; // packageimport
95 import org.eclipse.jface.text.Region; // packageimport
96 import org.eclipse.jface.text.ITextViewer; // packageimport
97 import org.eclipse.jface.text.IDocumentInformationMapping; // packageimport
98 import org.eclipse.jface.text.MarginPainter; // packageimport
99 import org.eclipse.jface.text.IPaintPositionManager; // packageimport
100 import org.eclipse.jface.text.TextPresentation; // packageimport
101 import org.eclipse.jface.text.IFindReplaceTargetExtension; // packageimport
102 import org.eclipse.jface.text.ISlaveDocumentManagerExtension; // packageimport
103 import org.eclipse.jface.text.ISelectionValidator; // packageimport
104 import org.eclipse.jface.text.IDocumentExtension; // packageimport
105 import org.eclipse.jface.text.PropagatingFontFieldEditor; // packageimport
106 import org.eclipse.jface.text.ConfigurableLineTracker; // packageimport
107 import org.eclipse.jface.text.SlaveDocumentEvent; // packageimport
108 import org.eclipse.jface.text.IDocumentListener; // packageimport
109 import org.eclipse.jface.text.PaintManager; // packageimport
110 import org.eclipse.jface.text.IFindReplaceTargetExtension3; // packageimport
111 import org.eclipse.jface.text.ITextDoubleClickStrategy; // packageimport
112 import org.eclipse.jface.text.IDocumentExtension3; // packageimport
113 import org.eclipse.jface.text.Position; // packageimport
114 import org.eclipse.jface.text.TextMessages; // packageimport
115 import org.eclipse.jface.text.CopyOnWriteTextStore; // packageimport
116 import org.eclipse.jface.text.WhitespaceCharacterPainter; // packageimport
117 import org.eclipse.jface.text.IPositionUpdater; // packageimport
118 import org.eclipse.jface.text.DefaultTextDoubleClickStrategy; // packageimport
119 import org.eclipse.jface.text.ListLineTracker; // packageimport
120 import org.eclipse.jface.text.ITextInputListener; // packageimport
121 import org.eclipse.jface.text.BadPositionCategoryException; // packageimport
122 import org.eclipse.jface.text.IWidgetTokenKeeperExtension; // packageimport
123 import org.eclipse.jface.text.IInputChangedListener; // packageimport
124 import org.eclipse.jface.text.ITextOperationTarget; // packageimport
125 import org.eclipse.jface.text.IDocumentInformationMappingExtension2; // packageimport
126 import org.eclipse.jface.text.ITextViewerExtension7; // packageimport
127 import org.eclipse.jface.text.IInformationControlExtension5; // packageimport
128 import org.eclipse.jface.text.IDocumentRewriteSessionListener; // packageimport
129 import org.eclipse.jface.text.JFaceTextUtil; // packageimport
130 import org.eclipse.jface.text.AbstractReusableInformationControlCreator; // packageimport
131 import org.eclipse.jface.text.TabsToSpacesConverter; // packageimport
132 import org.eclipse.jface.text.CursorLinePainter; // packageimport
133 import org.eclipse.jface.text.ITextHoverExtension; // packageimport
134 import org.eclipse.jface.text.IEventConsumer; // packageimport
135 import org.eclipse.jface.text.IDocument; // packageimport
136 import org.eclipse.jface.text.IWidgetTokenKeeper; // packageimport
137 import org.eclipse.jface.text.DocumentCommand; // packageimport
138 import org.eclipse.jface.text.TypedPosition; // packageimport
139 import org.eclipse.jface.text.IEditingSupportRegistry; // packageimport
140 import org.eclipse.jface.text.IDocumentPartitionerExtension; // packageimport
141 import org.eclipse.jface.text.AbstractHoverInformationControlManager; // packageimport
142 import org.eclipse.jface.text.IEditingSupport; // packageimport
143 import org.eclipse.jface.text.IMarkSelection; // packageimport
144 import org.eclipse.jface.text.ISlaveDocumentManager; // packageimport
145 import org.eclipse.jface.text.DocumentEvent; // packageimport
146 import org.eclipse.jface.text.DocumentPartitioningChangedEvent; // packageimport
147 import org.eclipse.jface.text.ITextStore; // packageimport
148 import org.eclipse.jface.text.JFaceTextMessages; // packageimport
149 import org.eclipse.jface.text.DocumentRewriteSessionEvent; // packageimport
150 import org.eclipse.jface.text.SequentialRewriteTextStore; // packageimport
151 import org.eclipse.jface.text.DocumentRewriteSessionType; // packageimport
152 import org.eclipse.jface.text.TextAttribute; // packageimport
153 import org.eclipse.jface.text.ITextViewerExtension4; // packageimport
154 import org.eclipse.jface.text.ITypedRegion; // packageimport
155
156
157 import java.lang.all;
158 import java.util.Set;
159
160
161
162 import org.eclipse.swt.SWT;
163 import org.eclipse.swt.custom.StyledText;
164 import org.eclipse.swt.events.DisposeEvent;
165 import org.eclipse.swt.events.DisposeListener;
166 import org.eclipse.swt.graphics.Color;
167 import org.eclipse.swt.graphics.Drawable;
168 import org.eclipse.swt.graphics.Point;
169 import org.eclipse.swt.graphics.Rectangle;
170 import org.eclipse.swt.layout.FillLayout;
171 import org.eclipse.swt.widgets.Composite;
172 import org.eclipse.swt.widgets.Display;
173 import org.eclipse.swt.widgets.Shell;
174 import org.eclipse.jface.action.ToolBarManager;
175 import org.eclipse.jface.internal.text.html.HTMLTextPresenter;
176 import org.eclipse.jface.resource.JFaceResources;
177 import org.eclipse.jface.util.Geometry;
178
179 /**
180 * An information presenter determines the style presentation
181 * of information displayed in the default information control.
182 * The interface can be implemented by clients.
183 */
184 public interface IInformationPresenter {
185
186 /**
187 * Updates the given presentation of the given information and
188 * thereby may manipulate the information to be displayed. The manipulation
189 * could be the extraction of textual encoded style information etc. Returns the
190 * manipulated information.
191 * <p>
192 * <strong>Note:</strong> The given display must only be used for measuring.</p>
193 *
194 * @param display the display of the information control
195 * @param hoverInfo the information to be presented
196 * @param presentation the presentation to be updated
197 * @param maxWidth the maximal width in pixels
198 * @param maxHeight the maximal height in pixels
199 *
200 * @return the manipulated information
201 * @deprecated As of 3.2, replaced by {@link DefaultInformationControl.IInformationPresenterExtension#updatePresentation(Drawable, String, TextPresentation, int, int)}
202 */
203 String updatePresentation(Display display, String hoverInfo, TextPresentation presentation, int maxWidth, int maxHeight);
204 }
205 alias IInformationPresenter DefaultInformationControl_IInformationPresenter;
206
207 /**
208 * An information presenter determines the style presentation
209 * of information displayed in the default information control.
210 * The interface can be implemented by clients.
211 *
212 * @since 3.2
213 */
214 public interface IInformationPresenterExtension {
215
216 /**
217 * Updates the given presentation of the given information and
218 * thereby may manipulate the information to be displayed. The manipulation
219 * could be the extraction of textual encoded style information etc. Returns the
220 * manipulated information.
221 * <p>
222 * Replaces {@link DefaultInformationControl.IInformationPresenter#updatePresentation(Display, String, TextPresentation, int, int)}
223 * Implementations should use the font of the given <code>drawable</code> to calculate
224 * the size of the text to be presented.
225 * </p>
226 *
227 * @param drawable the drawable of the information control
228 * @param hoverInfo the information to be presented
229 * @param presentation the presentation to be updated
230 * @param maxWidth the maximal width in pixels
231 * @param maxHeight the maximal height in pixels
232 *
233 * @return the manipulated information
234 */
235 String updatePresentation(Drawable drawable, String hoverInfo, TextPresentation presentation, int maxWidth, int maxHeight);
236 }
237 alias IInformationPresenterExtension DefaultInformationControl_IInformationPresenterExtension;
238
239
240 /**
241 * Default implementation of {@link org.eclipse.jface.text.IInformationControl}.
242 * <p>
243 * Displays textual information in a {@link org.eclipse.swt.custom.StyledText}
244 * widget. Before displaying, the information set to this information control is
245 * processed by an <code>IInformationPresenter</code>.
246 *
247 * @since 2.0
248 */
249 public class DefaultInformationControl : AbstractInformationControl , DisposeListener {
250
251 /**
252 * Inner border thickness in pixels.
253 * @since 3.1
254 */
255 private static const int INNER_BORDER= 1;
256
257 /** The control's text widget */
258 private StyledText fText;
259 /** The information presenter, or <code>null</code> if none. */
260 private const IInformationPresenter fPresenter;
261 /** A cached text presentation */
262 private const TextPresentation fPresentation;
263
264 /**
265 * Additional styles to use for the text control.
266 * @since 3.4, previously called <code>fTextStyle</code>
267 */
268 private const int fAdditionalTextStyles;
269
270 /**
271 * Creates a default information control with the given shell as parent. An information
272 * presenter that can handle simple HTML is used to process the information to be displayed.
273 *
274 * @param parent the parent shell
275 * @param isResizeable <code>true</code> if the control should be resizable
276 * @since 3.4
277 */
278 public this(Shell parent, bool isResizeable) {
279 fPresentation= new TextPresentation();
280 super(parent, isResizeable);
281 fAdditionalTextStyles= isResizeable ? SWT.V_SCROLL | SWT.H_SCROLL : SWT.NONE;
282 fPresenter= new HTMLTextPresenter(!isResizeable);
283 create();
284 }
285
286 /**
287 * Creates a default information control with the given shell as parent. An information
288 * presenter that can handle simple HTML is used to process the information to be displayed.
289 *
290 * @param parent the parent shell
291 * @param statusFieldText the text to be used in the status field or <code>null</code> to hide the status field
292 * @since 3.4
293 */
294 public this(Shell parent, String statusFieldText) {
295 this(parent, statusFieldText, new HTMLTextPresenter(true));
296 }
297
298 /**
299 * Creates a default information control with the given shell as parent. The
300 * given information presenter is used to process the information to be
301 * displayed.
302 *
303 * @param parent the parent shell
304 * @param statusFieldText the text to be used in the status field or <code>null</code> to hide the status field
305 * @param presenter the presenter to be used, or <code>null</code> if no presenter should be used
306 * @since 3.4
307 */
308 public this(Shell parent, String statusFieldText, IInformationPresenter presenter) {
309 fPresentation= new TextPresentation();
310 super(parent, statusFieldText);
311 fAdditionalTextStyles= SWT.NONE;
312 fPresenter= presenter;
313 create();
314 }
315
316 /**
317 * Creates a resizable default information control with the given shell as parent. An
318 * information presenter that can handle simple HTML is used to process the information to be
319 * displayed.
320 *
321 * @param parent the parent shell
322 * @param toolBarManager the manager or <code>null</code> if toolbar is not desired
323 * @since 3.4
324 */
325 public this(Shell parent, ToolBarManager toolBarManager) {
326 this(parent, toolBarManager, new HTMLTextPresenter(false));
327 }
328
329 /**
330 * Creates a resizable default information control with the given shell as
331 * parent. The given information presenter is used to process the
332 * information to be displayed.
333 *
334 * @param parent the parent shell
335 * @param toolBarManager the manager or <code>null</code> if toolbar is not desired
336 * @param presenter the presenter to be used, or <code>null</code> if no presenter should be used
337 * @since 3.4
338 */
339 public this(Shell parent, ToolBarManager toolBarManager, IInformationPresenter presenter) {
340 fPresentation= new TextPresentation();
341 super(parent, toolBarManager);
342 fAdditionalTextStyles= SWT.V_SCROLL | SWT.H_SCROLL;
343 fPresenter= presenter;
344 create();
345 }
346
347 /**
348 * Creates a default information control with the given shell as parent.
349 * No information presenter is used to process the information
350 * to be displayed.
351 *
352 * @param parent the parent shell
353 */
354 public this(Shell parent) {
355 this(parent, cast(String)null, null);
356 }
357
358 /**
359 * Creates a default information control with the given shell as parent. The given
360 * information presenter is used to process the information to be displayed.
361 *
362 * @param parent the parent shell
363 * @param presenter the presenter to be used
364 */
365 public this(Shell parent, IInformationPresenter presenter) {
366 this(parent, cast(String)null, presenter);
367 }
368
369 /**
370 * Creates a default information control with the given shell as parent. The
371 * given information presenter is used to process the information to be
372 * displayed. The given styles are applied to the created styled text
373 * widget.
374 *
375 * @param parent the parent shell
376 * @param shellStyle the additional styles for the shell
377 * @param style the additional styles for the styled text widget
378 * @param presenter the presenter to be used
379 * @deprecated As of 3.4, replaced by simpler constructors
380 */
381 public this(Shell parent, int shellStyle, int style, IInformationPresenter presenter) {
382 this(parent, shellStyle, style, presenter, null);
383 }
384
385 /**
386 * Creates a default information control with the given shell as parent. The
387 * given information presenter is used to process the information to be
388 * displayed. The given styles are applied to the created styled text
389 * widget.
390 *
391 * @param parentShell the parent shell
392 * @param shellStyle the additional styles for the shell
393 * @param style the additional styles for the styled text widget
394 * @param presenter the presenter to be used
395 * @param statusFieldText the text to be used in the status field or <code>null</code> to hide the status field
396 * @since 3.0
397 * @deprecated As of 3.4, replaced by simpler constructors
398 */
399 public this(Shell parentShell, int shellStyle, int style, IInformationPresenter presenter, String statusFieldText) {
400 fPresentation= new TextPresentation();
401 super(parentShell, SWT.NO_FOCUS | SWT.ON_TOP | shellStyle, statusFieldText, null);
402 fAdditionalTextStyles= style;
403 fPresenter= presenter;
404 create();
405 }
406
407 /**
408 * Creates a default information control with the given shell as parent. The
409 * given information presenter is used to process the information to be
410 * displayed.
411 *
412 * @param parent the parent shell
413 * @param textStyles the additional styles for the styled text widget
414 * @param presenter the presenter to be used
415 * @deprecated As of 3.4, replaced by {@link #DefaultInformationControl(Shell, DefaultInformationControl.IInformationPresenter)}
416 */
417 public this(Shell parent, int textStyles, IInformationPresenter presenter) {
418 this(parent, textStyles, presenter, null);
419 }
420
421 /**
422 * Creates a default information control with the given shell as parent. The
423 * given information presenter is used to process the information to be
424 * displayed.
425 *
426 * @param parent the parent shell
427 * @param textStyles the additional styles for the styled text widget
428 * @param presenter the presenter to be used
429 * @param statusFieldText the text to be used in the status field or <code>null</code> to hide the status field
430 * @since 3.0
431 * @deprecated As of 3.4, replaced by {@link #DefaultInformationControl(Shell, String, DefaultInformationControl.IInformationPresenter)}
432 */
433 public this(Shell parent, int textStyles, IInformationPresenter presenter, String statusFieldText) {
434 fPresentation= new TextPresentation();
435 super(parent, statusFieldText);
436 fAdditionalTextStyles= textStyles;
437 fPresenter= presenter;
438 create();
439 }
440
441 /*
442 * @see org.eclipse.jface.text.AbstractInformationControl#createContent(org.eclipse.swt.widgets.Composite)
443 */
444 protected void createContent(Composite parent) {
445 fText= new StyledText(parent, SWT.MULTI | SWT.READ_ONLY | fAdditionalTextStyles);
446 fText.setForeground(parent.getForeground());
447 fText.setBackground(parent.getBackground());
448 fText.setFont(JFaceResources.getDialogFont());
449 FillLayout layout= cast(FillLayout)parent.getLayout();
450 if (fText.getWordWrap()) {
451 // indent does not work for wrapping StyledText, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=56342 and https://bugs.eclipse.org/bugs/show_bug.cgi?id=115432
452 layout.marginHeight= INNER_BORDER;
453 layout.marginWidth= INNER_BORDER;
454 } else {
455 fText.setIndent(INNER_BORDER);
456 }
457 }
458
459 /*
460 * @see IInformationControl#setInformation(String)
461 */
462 public void setInformation(String content) {
463 if (fPresenter is null) {
464 fText.setText(content);
465 } else {
466 fPresentation.clear();
467
468 int maxWidth= -1;
469 int maxHeight= -1;
470 Point constraints= getSizeConstraints();
471 if (constraints !is null) {
472 maxWidth= constraints.x;
473 maxHeight= constraints.y;
474 if (fText.getWordWrap()) {
475 maxWidth-= INNER_BORDER * 2;
476 maxHeight-= INNER_BORDER * 2;
477 } else {
478 maxWidth-= INNER_BORDER; // indent
479 }
480 Rectangle trim= computeTrim();
481 maxWidth-= trim.width;
482 maxHeight-= trim.height;
483 maxWidth-= fText.getCaret().getSize().x; // StyledText adds a border at the end of the line for the caret.
484 }
485 if (isResizable())
486 maxHeight= Integer.MAX_VALUE;
487
488 if ( cast(IInformationPresenterExtension)fPresenter )
489 content= (cast(IInformationPresenterExtension)fPresenter).updatePresentation(fText, content, fPresentation, maxWidth, maxHeight);
490 else
491 content= fPresenter.updatePresentation(getShell().getDisplay(), content, fPresentation, maxWidth, maxHeight);
492
493 if (content !is null) {
494 fText.setText(content);
495 TextPresentation.applyTextPresentation(fPresentation, fText);
496 } else {
497 fText.setText(""); //$NON-NLS-1$
498 }
499 }
500 }
501
502 /*
503 * @see IInformationControl#setVisible(bool)
504 */
505 public void setVisible(bool visible) {
506 if (visible) {
507 if (fText.getWordWrap()) {
508 Point currentSize= getShell().getSize();
509 getShell().pack(true);
510 Point newSize= getShell().getSize();
511 if (newSize.x > currentSize.x || newSize.y > currentSize.y)
512 setSize(currentSize.x, currentSize.y); // restore previous size
513 }
514 }
515
516 super.setVisible(visible);
517 }
518
519 /*
520 * @see IInformationControl#computeSizeHint()
521 */
522 public Point computeSizeHint() {
523 // see: https://bugs.eclipse.org/bugs/show_bug.cgi?id=117602
524 int widthHint= SWT.DEFAULT;
525 Point constraints= getSizeConstraints();
526 if (constraints !is null && fText.getWordWrap())
527 widthHint= constraints.x;
528
529 return getShell().computeSize(widthHint, SWT.DEFAULT, true);
530 }
531
532 /*
533 * @see org.eclipse.jface.text.AbstractInformationControl#computeTrim()
534 */
535 public Rectangle computeTrim() {
536 return Geometry.add(super.computeTrim(), fText.computeTrim(0, 0, 0, 0));
537 }
538
539 /*
540 * @see IInformationControl#setForegroundColor(Color)
541 */
542 public void setForegroundColor(Color foreground) {
543 super.setForegroundColor(foreground);
544 fText.setForeground(foreground);
545 }
546
547 /*
548 * @see IInformationControl#setBackgroundColor(Color)
549 */
550 public void setBackgroundColor(Color background) {
551 super.setBackgroundColor(background);
552 fText.setBackground(background);
553 }
554
555 /*
556 * @see IInformationControlExtension#hasContents()
557 */
558 public bool hasContents() {
559 return fText.getCharCount() > 0;
560 }
561
562 /**
563 * @see org.eclipse.swt.events.DisposeListener#widgetDisposed(org.eclipse.swt.events.DisposeEvent)
564 * @since 3.0
565 * @deprecated As of 3.2, no longer used and called
566 */
567 public void widgetDisposed(DisposeEvent event) {
568 }
569
570 /*
571 * @see org.eclipse.jface.text.IInformationControlExtension5#getInformationPresenterControlCreator()
572 * @since 3.4
573 */
574 public IInformationControlCreator getInformationPresenterControlCreator() {
575 return new class() IInformationControlCreator {
576 /*
577 * @see org.eclipse.jface.text.IInformationControlCreator#createInformationControl(org.eclipse.swt.widgets.Shell)
578 */
579 public IInformationControl createInformationControl(Shell parent) {
580 return new DefaultInformationControl(parent, cast(ToolBarManager) null, fPresenter);
581 }
582 };
583 }
584
585 }