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comparison org.eclipse.jface.text/src/org/eclipse/jface/text/DefaultTextDoubleClickStrategy.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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children dbfb303e8fb0
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11:43904fec5dca 12:bc29606a740c
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
14
15 module org.eclipse.jface.text.DefaultTextDoubleClickStrategy;
16
17 import org.eclipse.jface.text.IDocumentPartitioningListener; // packageimport
18 import org.eclipse.jface.text.DefaultTextHover; // packageimport
19 import org.eclipse.jface.text.AbstractInformationControl; // packageimport
20 import org.eclipse.jface.text.TextUtilities; // packageimport
21 import org.eclipse.jface.text.IInformationControlCreatorExtension; // packageimport
22 import org.eclipse.jface.text.AbstractInformationControlManager; // packageimport
23 import org.eclipse.jface.text.ITextViewerExtension2; // packageimport
24 import org.eclipse.jface.text.IDocumentPartitioner; // packageimport
25 import org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport
26 import org.eclipse.jface.text.ITextSelection; // packageimport
27 import org.eclipse.jface.text.Document; // packageimport
28 import org.eclipse.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport
29 import org.eclipse.jface.text.ITextListener; // packageimport
30 import org.eclipse.jface.text.BadPartitioningException; // packageimport
31 import org.eclipse.jface.text.ITextViewerExtension5; // packageimport
32 import org.eclipse.jface.text.IDocumentPartitionerExtension3; // packageimport
33 import org.eclipse.jface.text.IUndoManager; // packageimport
34 import org.eclipse.jface.text.ITextHoverExtension2; // packageimport
35 import org.eclipse.jface.text.IRepairableDocument; // packageimport
36 import org.eclipse.jface.text.IRewriteTarget; // packageimport
37 import org.eclipse.jface.text.DefaultPositionUpdater; // packageimport
38 import org.eclipse.jface.text.RewriteSessionEditProcessor; // packageimport
39 import org.eclipse.jface.text.TextViewerHoverManager; // packageimport
40 import org.eclipse.jface.text.DocumentRewriteSession; // packageimport
41 import org.eclipse.jface.text.TextViewer; // packageimport
42 import org.eclipse.jface.text.ITextViewerExtension8; // packageimport
43 import org.eclipse.jface.text.RegExMessages; // packageimport
44 import org.eclipse.jface.text.IDelayedInputChangeProvider; // packageimport
45 import org.eclipse.jface.text.ITextOperationTargetExtension; // packageimport
46 import org.eclipse.jface.text.IWidgetTokenOwner; // packageimport
47 import org.eclipse.jface.text.IViewportListener; // packageimport
48 import org.eclipse.jface.text.GapTextStore; // packageimport
49 import org.eclipse.jface.text.MarkSelection; // packageimport
50 import org.eclipse.jface.text.IDocumentPartitioningListenerExtension; // packageimport
51 import org.eclipse.jface.text.IDocumentAdapterExtension; // packageimport
52 import org.eclipse.jface.text.IInformationControlExtension; // packageimport
53 import org.eclipse.jface.text.IDocumentPartitioningListenerExtension2; // packageimport
54 import org.eclipse.jface.text.DefaultDocumentAdapter; // packageimport
55 import org.eclipse.jface.text.ITextViewerExtension3; // packageimport
56 import org.eclipse.jface.text.IInformationControlCreator; // packageimport
57 import org.eclipse.jface.text.TypedRegion; // packageimport
58 import org.eclipse.jface.text.ISynchronizable; // packageimport
59 import org.eclipse.jface.text.IMarkRegionTarget; // packageimport
60 import org.eclipse.jface.text.TextViewerUndoManager; // packageimport
61 import org.eclipse.jface.text.IRegion; // packageimport
62 import org.eclipse.jface.text.IInformationControlExtension2; // packageimport
63 import org.eclipse.jface.text.IDocumentExtension4; // packageimport
64 import org.eclipse.jface.text.IDocumentExtension2; // packageimport
65 import org.eclipse.jface.text.IDocumentPartitionerExtension2; // packageimport
66 import org.eclipse.jface.text.Assert; // packageimport
67 import org.eclipse.jface.text.DefaultInformationControl; // packageimport
68 import org.eclipse.jface.text.IWidgetTokenOwnerExtension; // packageimport
69 import org.eclipse.jface.text.DocumentClone; // packageimport
70 import org.eclipse.jface.text.DefaultUndoManager; // packageimport
71 import org.eclipse.jface.text.IFindReplaceTarget; // packageimport
72 import org.eclipse.jface.text.IAutoEditStrategy; // packageimport
73 import org.eclipse.jface.text.ILineTrackerExtension; // packageimport
74 import org.eclipse.jface.text.IUndoManagerExtension; // packageimport
75 import org.eclipse.jface.text.TextSelection; // packageimport
76 import org.eclipse.jface.text.DefaultAutoIndentStrategy; // packageimport
77 import org.eclipse.jface.text.IAutoIndentStrategy; // packageimport
78 import org.eclipse.jface.text.IPainter; // packageimport
79 import org.eclipse.jface.text.IInformationControl; // packageimport
80 import org.eclipse.jface.text.IInformationControlExtension3; // packageimport
81 import org.eclipse.jface.text.ITextViewerExtension6; // packageimport
82 import org.eclipse.jface.text.IInformationControlExtension4; // packageimport
83 import org.eclipse.jface.text.DefaultLineTracker; // packageimport
84 import org.eclipse.jface.text.IDocumentInformationMappingExtension; // packageimport
85 import org.eclipse.jface.text.IRepairableDocumentExtension; // packageimport
86 import org.eclipse.jface.text.ITextHover; // packageimport
87 import org.eclipse.jface.text.FindReplaceDocumentAdapter; // packageimport
88 import org.eclipse.jface.text.ILineTracker; // packageimport
89 import org.eclipse.jface.text.Line; // packageimport
90 import org.eclipse.jface.text.ITextViewerExtension; // packageimport
91 import org.eclipse.jface.text.IDocumentAdapter; // packageimport
92 import org.eclipse.jface.text.TextEvent; // packageimport
93 import org.eclipse.jface.text.BadLocationException; // packageimport
94 import org.eclipse.jface.text.AbstractDocument; // packageimport
95 import org.eclipse.jface.text.AbstractLineTracker; // packageimport
96 import org.eclipse.jface.text.TreeLineTracker; // packageimport
97 import org.eclipse.jface.text.ITextPresentationListener; // packageimport
98 import org.eclipse.jface.text.Region; // packageimport
99 import org.eclipse.jface.text.ITextViewer; // packageimport
100 import org.eclipse.jface.text.IDocumentInformationMapping; // packageimport
101 import org.eclipse.jface.text.MarginPainter; // packageimport
102 import org.eclipse.jface.text.IPaintPositionManager; // packageimport
103 import org.eclipse.jface.text.TextPresentation; // packageimport
104 import org.eclipse.jface.text.IFindReplaceTargetExtension; // packageimport
105 import org.eclipse.jface.text.ISlaveDocumentManagerExtension; // packageimport
106 import org.eclipse.jface.text.ISelectionValidator; // packageimport
107 import org.eclipse.jface.text.IDocumentExtension; // packageimport
108 import org.eclipse.jface.text.PropagatingFontFieldEditor; // packageimport
109 import org.eclipse.jface.text.ConfigurableLineTracker; // packageimport
110 import org.eclipse.jface.text.SlaveDocumentEvent; // packageimport
111 import org.eclipse.jface.text.IDocumentListener; // packageimport
112 import org.eclipse.jface.text.PaintManager; // packageimport
113 import org.eclipse.jface.text.IFindReplaceTargetExtension3; // packageimport
114 import org.eclipse.jface.text.ITextDoubleClickStrategy; // packageimport
115 import org.eclipse.jface.text.IDocumentExtension3; // packageimport
116 import org.eclipse.jface.text.Position; // packageimport
117 import org.eclipse.jface.text.TextMessages; // packageimport
118 import org.eclipse.jface.text.CopyOnWriteTextStore; // packageimport
119 import org.eclipse.jface.text.WhitespaceCharacterPainter; // packageimport
120 import org.eclipse.jface.text.IPositionUpdater; // packageimport
121 import org.eclipse.jface.text.ListLineTracker; // packageimport
122 import org.eclipse.jface.text.ITextInputListener; // packageimport
123 import org.eclipse.jface.text.BadPositionCategoryException; // packageimport
124 import org.eclipse.jface.text.IWidgetTokenKeeperExtension; // packageimport
125 import org.eclipse.jface.text.IInputChangedListener; // packageimport
126 import org.eclipse.jface.text.ITextOperationTarget; // packageimport
127 import org.eclipse.jface.text.IDocumentInformationMappingExtension2; // packageimport
128 import org.eclipse.jface.text.ITextViewerExtension7; // packageimport
129 import org.eclipse.jface.text.IInformationControlExtension5; // packageimport
130 import org.eclipse.jface.text.IDocumentRewriteSessionListener; // packageimport
131 import org.eclipse.jface.text.JFaceTextUtil; // packageimport
132 import org.eclipse.jface.text.AbstractReusableInformationControlCreator; // packageimport
133 import org.eclipse.jface.text.TabsToSpacesConverter; // packageimport
134 import org.eclipse.jface.text.CursorLinePainter; // packageimport
135 import org.eclipse.jface.text.ITextHoverExtension; // packageimport
136 import org.eclipse.jface.text.IEventConsumer; // packageimport
137 import org.eclipse.jface.text.IDocument; // packageimport
138 import org.eclipse.jface.text.IWidgetTokenKeeper; // packageimport
139 import org.eclipse.jface.text.DocumentCommand; // packageimport
140 import org.eclipse.jface.text.TypedPosition; // packageimport
141 import org.eclipse.jface.text.IEditingSupportRegistry; // packageimport
142 import org.eclipse.jface.text.IDocumentPartitionerExtension; // packageimport
143 import org.eclipse.jface.text.AbstractHoverInformationControlManager; // packageimport
144 import org.eclipse.jface.text.IEditingSupport; // packageimport
145 import org.eclipse.jface.text.IMarkSelection; // packageimport
146 import org.eclipse.jface.text.ISlaveDocumentManager; // packageimport
147 import org.eclipse.jface.text.DocumentEvent; // packageimport
148 import org.eclipse.jface.text.DocumentPartitioningChangedEvent; // packageimport
149 import org.eclipse.jface.text.ITextStore; // packageimport
150 import org.eclipse.jface.text.JFaceTextMessages; // packageimport
151 import org.eclipse.jface.text.DocumentRewriteSessionEvent; // packageimport
152 import org.eclipse.jface.text.SequentialRewriteTextStore; // packageimport
153 import org.eclipse.jface.text.DocumentRewriteSessionType; // packageimport
154 import org.eclipse.jface.text.TextAttribute; // packageimport
155 import org.eclipse.jface.text.ITextViewerExtension4; // packageimport
156 import org.eclipse.jface.text.ITypedRegion; // packageimport
157
158 import java.lang.all;
159 import java.util.Set;
160
161 import org.eclipse.dwtxhelper.CharacterIterator;
162
163 import org.eclipse.dwtxhelper.mangoicu.UBreakIterator;
164
165 /**
166 * Standard implementation of
167 * {@link org.eclipse.jface.text.ITextDoubleClickStrategy}.
168 * <p>
169 * Selects words using <code>java.text.UBreakIterator</code> for the default
170 * locale.</p>
171 * <p>
172 * This class is not intended to be subclassed.
173 * </p>
174 *
175 * @see java.text.UBreakIterator
176 * @noextend This class is not intended to be subclassed by clients.
177 */
178 public class DefaultTextDoubleClickStrategy : ITextDoubleClickStrategy {
179
180 /++
181 /**
182 * Implements a character iterator that works directly on
183 * instances of <code>IDocument</code>. Used to collaborate with
184 * the break iterator.
185 *
186 * @see IDocument
187 * @since 2.0
188 */
189 static class DocumentCharacterIterator : CharacterIterator {
190
191 /** Document to iterate over. */
192 private IDocument fDocument;
193 /** Start offset of iteration. */
194 private int fOffset= -1;
195 /** End offset of iteration. */
196 private int fEndOffset= -1;
197 /** Current offset of iteration. */
198 private int fIndex= -1;
199
200 /** Creates a new document iterator. */
201 public this() {
202 }
203
204 /**
205 * Configures this document iterator with the document section to be visited.
206 *
207 * @param document the document to be iterated
208 * @param iteratorRange the range in the document to be iterated
209 */
210 public void setDocument(IDocument document, IRegion iteratorRange) {
211 fDocument= document;
212 fOffset= iteratorRange.getOffset();
213 fEndOffset= fOffset + iteratorRange.getLength();
214 }
215
216 /*
217 * @see CharacterIterator#first()
218 */
219 public char first() {
220 fIndex= fOffset;
221 return current();
222 }
223
224 /*
225 * @see CharacterIterator#last()
226 */
227 public char last() {
228 fIndex= fOffset < fEndOffset ? fEndOffset -1 : fEndOffset;
229 return current();
230 }
231
232 /*
233 * @see CharacterIterator#current()
234 */
235 public char current() {
236 if (fOffset <= fIndex && fIndex < fEndOffset) {
237 try {
238 return fDocument.getChar(fIndex);
239 } catch (BadLocationException x) {
240 }
241 }
242 return DONE;
243 }
244
245 /*
246 * @see CharacterIterator#next()
247 */
248 public char next() {
249 ++fIndex;
250 int end= getEndIndex();
251 if (fIndex >= end) {
252 fIndex= end;
253 return DONE;
254 }
255 return current();
256 }
257
258 /*
259 * @see CharacterIterator#previous()
260 */
261 public char previous() {
262 if (fIndex is fOffset)
263 return DONE;
264
265 if (fIndex > fOffset)
266 -- fIndex;
267
268 return current();
269 }
270
271 /*
272 * @see CharacterIterator#setIndex(int)
273 */
274 public char setIndex(int index) {
275 fIndex= index;
276 return current();
277 }
278
279 /*
280 * @see CharacterIterator#getBeginIndex()
281 */
282 public int getBeginIndex() {
283 return fOffset;
284 }
285
286 /*
287 * @see CharacterIterator#getEndIndex()
288 */
289 public int getEndIndex() {
290 return fEndOffset;
291 }
292
293 /*
294 * @see CharacterIterator#getIndex()
295 */
296 public int getIndex() {
297 return fIndex;
298 }
299
300 /*
301 * @see CharacterIterator#clone()
302 */
303 public Object clone() {
304 DocumentCharacterIterator i= new DocumentCharacterIterator();
305 i.fDocument= fDocument;
306 i.fIndex= fIndex;
307 i.fOffset= fOffset;
308 i.fEndOffset= fEndOffset;
309 return i;
310 }
311 }
312 ++/
313
314 /**
315 * The document character iterator used by this strategy.
316 * @since 2.0
317 */
318 // private DocumentCharacterIterator fDocIter= new DocumentCharacterIterator();
319
320
321 /**
322 * Creates a new default text double click strategy.
323 */
324 public this() {
325 // super();
326 }
327
328 /*
329 * @see org.eclipse.jface.text.ITextDoubleClickStrategy#doubleClicked(org.eclipse.jface.text.ITextViewer)
330 */
331 public void doubleClicked(ITextViewer text) {
332
333 int position= text.getSelectedRange().x;
334
335 if (position < 0)
336 return;
337
338 try {
339
340 IDocument document= text.getDocument();
341 IRegion line= document.getLineInformationOfOffset(position);
342 if (position is line.getOffset() + line.getLength())
343 return;
344
345 //mangoicu
346 // fDocIter.setDocument(document, line);
347 String strLine = document.get( line.getOffset(), line.getLength() );
348 UBreakIterator breakIter= UBreakIterator.openWordIterator( ULocale.Default, strLine/+fDocIter+/ );
349
350
351 //int start= breakIter.preceding(position);
352 int start= breakIter.previous(position); // mangoicu
353 if (start is UBreakIterator.DONE)
354 start= line.getOffset();
355
356 int end= breakIter.following(position);
357 if (end is UBreakIterator.DONE)
358 end= line.getOffset() + line.getLength();
359
360 if (breakIter.isBoundary(position)) {
361 if (end - position > position- start)
362 start= position;
363 else
364 end= position;
365 }
366
367 if (start !is end)
368 text.setSelectedRange(start, end - start);
369
370 } catch (BadLocationException x) {
371 }
372 }
373 }