Mercurial > projects > dwt-addons
annotate dwtx/jface/text/DefaultTextHover.d @ 161:f8d52b926852
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| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Wed, 27 Aug 2008 14:49:30 +0200 |
| parents | f70d9508c95c |
| children |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2005, 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 dwtx.jface.text.DefaultTextHover; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.IDocumentPartitioningListener; // packageimport |
| 16 import dwtx.jface.text.AbstractInformationControl; // packageimport | |
| 17 import dwtx.jface.text.TextUtilities; // packageimport | |
| 18 import dwtx.jface.text.IInformationControlCreatorExtension; // packageimport | |
| 19 import dwtx.jface.text.AbstractInformationControlManager; // packageimport | |
| 20 import dwtx.jface.text.ITextViewerExtension2; // packageimport | |
| 21 import dwtx.jface.text.IDocumentPartitioner; // packageimport | |
| 22 import dwtx.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport | |
| 23 import dwtx.jface.text.ITextSelection; // packageimport | |
| 24 import dwtx.jface.text.Document; // packageimport | |
| 25 import dwtx.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport | |
| 26 import dwtx.jface.text.ITextListener; // packageimport | |
| 27 import dwtx.jface.text.BadPartitioningException; // packageimport | |
| 28 import dwtx.jface.text.ITextViewerExtension5; // packageimport | |
| 29 import dwtx.jface.text.IDocumentPartitionerExtension3; // packageimport | |
| 30 import dwtx.jface.text.IUndoManager; // packageimport | |
| 31 import dwtx.jface.text.ITextHoverExtension2; // packageimport | |
| 32 import dwtx.jface.text.IRepairableDocument; // packageimport | |
| 33 import dwtx.jface.text.IRewriteTarget; // packageimport | |
| 34 import dwtx.jface.text.DefaultPositionUpdater; // packageimport | |
| 35 import dwtx.jface.text.RewriteSessionEditProcessor; // packageimport | |
| 36 import dwtx.jface.text.TextViewerHoverManager; // packageimport | |
| 37 import dwtx.jface.text.DocumentRewriteSession; // packageimport | |
| 38 import dwtx.jface.text.TextViewer; // packageimport | |
| 39 import dwtx.jface.text.ITextViewerExtension8; // packageimport | |
| 40 import dwtx.jface.text.RegExMessages; // packageimport | |
| 41 import dwtx.jface.text.IDelayedInputChangeProvider; // packageimport | |
| 42 import dwtx.jface.text.ITextOperationTargetExtension; // packageimport | |
| 43 import dwtx.jface.text.IWidgetTokenOwner; // packageimport | |
| 44 import dwtx.jface.text.IViewportListener; // packageimport | |
| 45 import dwtx.jface.text.GapTextStore; // packageimport | |
| 46 import dwtx.jface.text.MarkSelection; // packageimport | |
| 47 import dwtx.jface.text.IDocumentPartitioningListenerExtension; // packageimport | |
| 48 import dwtx.jface.text.IDocumentAdapterExtension; // packageimport | |
| 49 import dwtx.jface.text.IInformationControlExtension; // packageimport | |
| 50 import dwtx.jface.text.IDocumentPartitioningListenerExtension2; // packageimport | |
| 51 import dwtx.jface.text.DefaultDocumentAdapter; // packageimport | |
| 52 import dwtx.jface.text.ITextViewerExtension3; // packageimport | |
| 53 import dwtx.jface.text.IInformationControlCreator; // packageimport | |
| 54 import dwtx.jface.text.TypedRegion; // packageimport | |
| 55 import dwtx.jface.text.ISynchronizable; // packageimport | |
| 56 import dwtx.jface.text.IMarkRegionTarget; // packageimport | |
| 57 import dwtx.jface.text.TextViewerUndoManager; // packageimport | |
| 58 import dwtx.jface.text.IRegion; // packageimport | |
| 59 import dwtx.jface.text.IInformationControlExtension2; // packageimport | |
| 60 import dwtx.jface.text.IDocumentExtension4; // packageimport | |
| 61 import dwtx.jface.text.IDocumentExtension2; // packageimport | |
| 62 import dwtx.jface.text.IDocumentPartitionerExtension2; // packageimport | |
| 63 import dwtx.jface.text.Assert; // packageimport | |
| 64 import dwtx.jface.text.DefaultInformationControl; // packageimport | |
| 65 import dwtx.jface.text.IWidgetTokenOwnerExtension; // packageimport | |
| 66 import dwtx.jface.text.DocumentClone; // packageimport | |
| 67 import dwtx.jface.text.DefaultUndoManager; // packageimport | |
| 68 import dwtx.jface.text.IFindReplaceTarget; // packageimport | |
| 69 import dwtx.jface.text.IAutoEditStrategy; // packageimport | |
| 70 import dwtx.jface.text.ILineTrackerExtension; // packageimport | |
| 71 import dwtx.jface.text.IUndoManagerExtension; // packageimport | |
| 72 import dwtx.jface.text.TextSelection; // packageimport | |
| 73 import dwtx.jface.text.DefaultAutoIndentStrategy; // packageimport | |
| 74 import dwtx.jface.text.IAutoIndentStrategy; // packageimport | |
| 75 import dwtx.jface.text.IPainter; // packageimport | |
| 76 import dwtx.jface.text.IInformationControl; // packageimport | |
| 77 import dwtx.jface.text.IInformationControlExtension3; // packageimport | |
| 78 import dwtx.jface.text.ITextViewerExtension6; // packageimport | |
| 79 import dwtx.jface.text.IInformationControlExtension4; // packageimport | |
| 80 import dwtx.jface.text.DefaultLineTracker; // packageimport | |
| 81 import dwtx.jface.text.IDocumentInformationMappingExtension; // packageimport | |
| 82 import dwtx.jface.text.IRepairableDocumentExtension; // packageimport | |
| 83 import dwtx.jface.text.ITextHover; // packageimport | |
| 84 import dwtx.jface.text.FindReplaceDocumentAdapter; // packageimport | |
| 85 import dwtx.jface.text.ILineTracker; // packageimport | |
| 86 import dwtx.jface.text.Line; // packageimport | |
| 87 import dwtx.jface.text.ITextViewerExtension; // packageimport | |
| 88 import dwtx.jface.text.IDocumentAdapter; // packageimport | |
| 89 import dwtx.jface.text.TextEvent; // packageimport | |
| 90 import dwtx.jface.text.BadLocationException; // packageimport | |
| 91 import dwtx.jface.text.AbstractDocument; // packageimport | |
| 92 import dwtx.jface.text.AbstractLineTracker; // packageimport | |
| 93 import dwtx.jface.text.TreeLineTracker; // packageimport | |
| 94 import dwtx.jface.text.ITextPresentationListener; // packageimport | |
| 95 import dwtx.jface.text.Region; // packageimport | |
| 96 import dwtx.jface.text.ITextViewer; // packageimport | |
| 97 import dwtx.jface.text.IDocumentInformationMapping; // packageimport | |
| 98 import dwtx.jface.text.MarginPainter; // packageimport | |
| 99 import dwtx.jface.text.IPaintPositionManager; // packageimport | |
| 100 import dwtx.jface.text.TextPresentation; // packageimport | |
| 101 import dwtx.jface.text.IFindReplaceTargetExtension; // packageimport | |
| 102 import dwtx.jface.text.ISlaveDocumentManagerExtension; // packageimport | |
| 103 import dwtx.jface.text.ISelectionValidator; // packageimport | |
| 104 import dwtx.jface.text.IDocumentExtension; // packageimport | |
| 105 import dwtx.jface.text.PropagatingFontFieldEditor; // packageimport | |
| 106 import dwtx.jface.text.ConfigurableLineTracker; // packageimport | |
| 107 import dwtx.jface.text.SlaveDocumentEvent; // packageimport | |
| 108 import dwtx.jface.text.IDocumentListener; // packageimport | |
| 109 import dwtx.jface.text.PaintManager; // packageimport | |
| 110 import dwtx.jface.text.IFindReplaceTargetExtension3; // packageimport | |
| 111 import dwtx.jface.text.ITextDoubleClickStrategy; // packageimport | |
| 112 import dwtx.jface.text.IDocumentExtension3; // packageimport | |
| 113 import dwtx.jface.text.Position; // packageimport | |
| 114 import dwtx.jface.text.TextMessages; // packageimport | |
| 115 import dwtx.jface.text.CopyOnWriteTextStore; // packageimport | |
| 116 import dwtx.jface.text.WhitespaceCharacterPainter; // packageimport | |
| 117 import dwtx.jface.text.IPositionUpdater; // packageimport | |
| 118 import dwtx.jface.text.DefaultTextDoubleClickStrategy; // packageimport | |
| 119 import dwtx.jface.text.ListLineTracker; // packageimport | |
| 120 import dwtx.jface.text.ITextInputListener; // packageimport | |
| 121 import dwtx.jface.text.BadPositionCategoryException; // packageimport | |
| 122 import dwtx.jface.text.IWidgetTokenKeeperExtension; // packageimport | |
| 123 import dwtx.jface.text.IInputChangedListener; // packageimport | |
| 124 import dwtx.jface.text.ITextOperationTarget; // packageimport | |
| 125 import dwtx.jface.text.IDocumentInformationMappingExtension2; // packageimport | |
| 126 import dwtx.jface.text.ITextViewerExtension7; // packageimport | |
| 127 import dwtx.jface.text.IInformationControlExtension5; // packageimport | |
| 128 import dwtx.jface.text.IDocumentRewriteSessionListener; // packageimport | |
| 129 import dwtx.jface.text.JFaceTextUtil; // packageimport | |
| 130 import dwtx.jface.text.AbstractReusableInformationControlCreator; // packageimport | |
| 131 import dwtx.jface.text.TabsToSpacesConverter; // packageimport | |
| 132 import dwtx.jface.text.CursorLinePainter; // packageimport | |
| 133 import dwtx.jface.text.ITextHoverExtension; // packageimport | |
| 134 import dwtx.jface.text.IEventConsumer; // packageimport | |
| 135 import dwtx.jface.text.IDocument; // packageimport | |
| 136 import dwtx.jface.text.IWidgetTokenKeeper; // packageimport | |
| 137 import dwtx.jface.text.DocumentCommand; // packageimport | |
| 138 import dwtx.jface.text.TypedPosition; // packageimport | |
| 139 import dwtx.jface.text.IEditingSupportRegistry; // packageimport | |
| 140 import dwtx.jface.text.IDocumentPartitionerExtension; // packageimport | |
| 141 import dwtx.jface.text.AbstractHoverInformationControlManager; // packageimport | |
| 142 import dwtx.jface.text.IEditingSupport; // packageimport | |
| 143 import dwtx.jface.text.IMarkSelection; // packageimport | |
| 144 import dwtx.jface.text.ISlaveDocumentManager; // packageimport | |
| 145 import dwtx.jface.text.DocumentEvent; // packageimport | |
| 146 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport | |
| 147 import dwtx.jface.text.ITextStore; // packageimport | |
| 148 import dwtx.jface.text.JFaceTextMessages; // packageimport | |
| 149 import dwtx.jface.text.DocumentRewriteSessionEvent; // packageimport | |
| 150 import dwtx.jface.text.SequentialRewriteTextStore; // packageimport | |
| 151 import dwtx.jface.text.DocumentRewriteSessionType; // packageimport | |
| 152 import dwtx.jface.text.TextAttribute; // packageimport | |
| 153 import dwtx.jface.text.ITextViewerExtension4; // packageimport | |
| 154 import dwtx.jface.text.ITypedRegion; // packageimport | |
| 155 | |
| 156 | |
| 129 | 157 import dwt.dwthelper.utils; |
| 158 | |
|
153
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159 import dwtx.dwtxhelper.Collection; |
| 129 | 160 |
| 161 import dwtx.core.runtime.Assert; | |
| 162 import dwtx.jface.text.source.Annotation; | |
| 163 import dwtx.jface.text.source.IAnnotationModel; | |
| 164 import dwtx.jface.text.source.ISourceViewer; | |
| 165 import dwtx.jface.text.source.ISourceViewerExtension2; | |
| 166 | |
| 167 /** | |
| 168 * Standard implementation of {@link dwtx.jface.text.ITextHover}. | |
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169 * |
| 129 | 170 * @since 3.2 |
| 171 */ | |
| 172 public class DefaultTextHover : ITextHover { | |
| 173 | |
| 174 /** This hover's source viewer */ | |
| 175 private ISourceViewer fSourceViewer; | |
| 176 | |
| 177 /** | |
| 178 * Creates a new annotation hover. | |
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179 * |
| 129 | 180 * @param sourceViewer this hover's annotation model |
| 181 */ | |
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182 public this(ISourceViewer sourceViewer) { |
| 161 | 183 dwtx.core.runtime.Assert.Assert.isNotNull(cast(Object)sourceViewer); |
| 129 | 184 fSourceViewer= sourceViewer; |
| 185 } | |
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186 |
| 129 | 187 /* |
| 188 * @see dwtx.jface.text.ITextHover#getHoverInfo(dwtx.jface.text.ITextViewer, dwtx.jface.text.IRegion) | |
| 189 */ | |
| 190 public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) { | |
| 191 IAnnotationModel model= getAnnotationModel(fSourceViewer); | |
| 192 if (model is null) | |
| 193 return null; | |
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194 |
| 129 | 195 Iterator e= model.getAnnotationIterator(); |
| 196 while (e.hasNext()) { | |
| 134 | 197 Annotation a= cast(Annotation) e.next(); |
| 129 | 198 if (isIncluded(a)) { |
| 199 Position p= model.getPosition(a); | |
| 200 if (p !is null && p.overlapsWith(hoverRegion.getOffset(), hoverRegion.getLength())) { | |
| 201 String msg= a.getText(); | |
| 202 if (msg !is null && msg.trim().length() > 0) | |
| 203 return msg; | |
| 204 } | |
| 205 } | |
| 206 } | |
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207 |
| 129 | 208 return null; |
| 209 } | |
| 210 | |
| 211 /* | |
| 212 * @see dwtx.jface.text.ITextHover#getHoverRegion(dwtx.jface.text.ITextViewer, int) | |
| 213 */ | |
| 214 public IRegion getHoverRegion(ITextViewer textViewer, int offset) { | |
| 215 return findWord(textViewer.getDocument(), offset); | |
| 216 } | |
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217 |
| 129 | 218 /** |
| 219 * Tells whether the annotation should be included in | |
| 220 * the computation. | |
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221 * |
| 129 | 222 * @param annotation the annotation to test |
| 223 * @return <code>true</code> if the annotation is included in the computation | |
| 224 */ | |
| 225 protected bool isIncluded(Annotation annotation) { | |
| 226 return true; | |
| 227 } | |
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228 |
| 129 | 229 private IAnnotationModel getAnnotationModel(ISourceViewer viewer) { |
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230 if (cast(ISourceViewerExtension2)viewer ) { |
| 134 | 231 ISourceViewerExtension2 extension= cast(ISourceViewerExtension2) viewer; |
| 129 | 232 return extension.getVisualAnnotationModel(); |
| 233 } | |
| 234 return viewer.getAnnotationModel(); | |
| 235 } | |
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236 |
| 129 | 237 private IRegion findWord(IDocument document, int offset) { |
| 238 int start= -2; | |
| 239 int end= -1; | |
| 240 | |
| 161 | 241 implMissing(__FILE__,__LINE__); |
| 242 // DWT FIXME: unicode | |
| 243 /+ | |
| 129 | 244 try { |
| 245 int pos= offset; | |
| 161 | 246 wchar c; |
| 129 | 247 |
| 248 while (pos >= 0) { | |
| 249 c= document.getChar(pos); | |
| 250 if (!Character.isUnicodeIdentifierPart(c)) | |
| 251 break; | |
| 252 --pos; | |
| 253 } | |
| 254 | |
| 255 start= pos; | |
| 256 | |
| 257 pos= offset; | |
| 258 int length= document.getLength(); | |
| 259 | |
| 260 while (pos < length) { | |
| 261 c= document.getChar(pos); | |
| 262 if (!Character.isUnicodeIdentifierPart(c)) | |
| 263 break; | |
| 264 ++pos; | |
| 265 } | |
| 266 | |
| 267 end= pos; | |
| 268 | |
| 269 } catch (BadLocationException x) { | |
| 270 } | |
| 271 | |
| 272 if (start >= -1 && end > -1) { | |
| 273 if (start is offset && end is offset) | |
| 274 return new Region(offset, 0); | |
| 275 else if (start is offset) | |
| 276 return new Region(start, end - start); | |
| 277 else | |
| 278 return new Region(start + 1, end - start - 1); | |
| 279 } | |
| 161 | 280 +/ |
| 129 | 281 return null; |
| 282 } | |
| 283 } |