Mercurial > projects > dwt-addons
annotate dwtx/jface/text/source/projection/ProjectionSummary.d @ 172:d994a8b2cdf7
again compile fixes
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Wed, 10 Sep 2008 23:14:02 +0200 |
| parents | 862b05e0334a |
| children |
| rev | line source |
|---|---|
| 129 | 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 dwtx.jface.text.source.projection.ProjectionSummary; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.source.projection.ProjectionViewer; // packageimport |
| 16 import dwtx.jface.text.source.projection.ProjectionSupport; // packageimport | |
| 17 import dwtx.jface.text.source.projection.IProjectionPosition; // packageimport | |
| 18 import dwtx.jface.text.source.projection.AnnotationBag; // packageimport | |
| 19 import dwtx.jface.text.source.projection.ProjectionAnnotationHover; // packageimport | |
| 20 import dwtx.jface.text.source.projection.ProjectionRulerColumn; // packageimport | |
| 21 import dwtx.jface.text.source.projection.ProjectionAnnotationModel; // packageimport | |
| 22 import dwtx.jface.text.source.projection.SourceViewerInformationControl; // packageimport | |
| 23 import dwtx.jface.text.source.projection.IProjectionListener; // packageimport | |
| 24 import dwtx.jface.text.source.projection.ProjectionAnnotation; // packageimport | |
| 25 | |
| 26 | |
| 129 | 27 import dwt.dwthelper.utils; |
| 167 | 28 import dwtx.dwtxhelper.JThread; |
| 129 | 29 |
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30 import dwtx.dwtxhelper.Collection; |
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34 |
| 129 | 35 |
| 36 import dwtx.core.runtime.IProgressMonitor; | |
| 37 import dwtx.core.runtime.NullProgressMonitor; | |
| 38 import dwtx.jface.text.IDocument; | |
| 39 import dwtx.jface.text.IRegion; | |
| 40 import dwtx.jface.text.ISynchronizable; | |
| 41 import dwtx.jface.text.Position; | |
| 42 import dwtx.jface.text.source.Annotation; | |
| 43 import dwtx.jface.text.source.IAnnotationAccess; | |
| 44 import dwtx.jface.text.source.IAnnotationAccessExtension; | |
| 45 import dwtx.jface.text.source.IAnnotationModel; | |
| 46 import dwtx.jface.text.source.IAnnotationModelExtension; | |
| 47 | |
| 48 | |
| 49 /** | |
| 50 * Strategy for managing annotation summaries for collapsed ranges. | |
| 51 * | |
| 52 * @since 3.0 | |
| 53 */ | |
| 54 class ProjectionSummary { | |
| 55 | |
| 158 | 56 private class Summarizer { |
| 129 | 57 |
| 167 | 58 JThread thread; |
| 129 | 59 private bool fReset= true; |
| 60 | |
| 61 /** | |
| 62 * Creates a new thread. | |
| 63 */ | |
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64 public this() { |
| 172 | 65 thread = new JThread( &run ); |
| 129 | 66 fProgressMonitor= new NullProgressMonitor(); // might be given by client in the future |
| 172 | 67 thread.setDaemon(true); |
| 158 | 68 thread.start(); |
| 129 | 69 } |
| 70 | |
| 71 /** | |
| 72 * Resets the thread. | |
| 73 */ | |
| 74 public void reset() { | |
| 75 synchronized (fLock) { | |
| 76 fReset= true; | |
| 77 fProgressMonitor.setCanceled(true); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 /* | |
| 82 * @see java.lang.Thread#run() | |
| 83 */ | |
| 84 public void run() { | |
| 85 while (true) { | |
| 86 synchronized (fLock) { | |
| 87 if (!fReset) | |
| 88 break; | |
| 89 fReset= false; | |
| 90 fProgressMonitor.setCanceled(false); | |
| 91 } | |
| 92 internalUpdateSummaries(fProgressMonitor); | |
| 93 } | |
| 94 | |
| 95 synchronized (fLock) { | |
| 96 fSummarizer= null; | |
| 97 } | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 | |
| 102 private ProjectionViewer fProjectionViewer; | |
| 103 private IAnnotationModel fAnnotationModel; | |
| 104 private IAnnotationAccess fAnnotationAccess; | |
| 105 private List fConfiguredAnnotationTypes; | |
| 106 | |
| 162 | 107 private Object fLock; |
| 129 | 108 private IProgressMonitor fProgressMonitor; |
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109 private /+volatile+/ Summarizer fSummarizer; |
| 129 | 110 |
| 111 /** | |
| 112 * Creates a new projection summary. | |
| 113 * | |
| 114 * @param projectionViewer the projection viewer | |
| 115 * @param annotationAccess the annotation access | |
| 116 */ | |
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117 public this(ProjectionViewer projectionViewer, IAnnotationAccess annotationAccess) { |
| 162 | 118 // super(); |
| 119 fLock= new Object(); | |
| 120 | |
| 129 | 121 fProjectionViewer= projectionViewer; |
| 122 fAnnotationAccess= annotationAccess; | |
| 123 } | |
| 124 | |
| 125 /** | |
| 126 * Adds the given annotation type. For now on, annotations of that type are | |
| 127 * also reflected in their enclosing collapsed regions. | |
| 128 * | |
| 129 * @param annotationType the annotation type to add | |
| 130 */ | |
| 131 public void addAnnotationType(String annotationType) { | |
| 132 synchronized(fLock) { | |
| 133 if (fConfiguredAnnotationTypes is null) { | |
| 134 fConfiguredAnnotationTypes= new ArrayList(); | |
| 135 fConfiguredAnnotationTypes.add(annotationType); | |
| 136 } else if (!fConfiguredAnnotationTypes.contains(annotationType)) | |
| 137 fConfiguredAnnotationTypes.add(annotationType); | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 /** | |
| 142 * Removes the given annotation. Annotation of that type are no | |
| 143 * longer reflected in their enclosing collapsed region. | |
| 144 * | |
| 145 * @param annotationType the annotation type to remove | |
| 146 */ | |
| 147 public void removeAnnotationType(String annotationType) { | |
| 148 synchronized (fLock) { | |
| 149 if (fConfiguredAnnotationTypes !is null) { | |
| 150 fConfiguredAnnotationTypes.remove(annotationType); | |
| 151 if (fConfiguredAnnotationTypes.size() is 0) | |
| 152 fConfiguredAnnotationTypes= null; | |
| 153 } | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 /** | |
| 158 * Forces an updated of the annotation summary. | |
| 159 */ | |
| 160 public void updateSummaries() { | |
| 161 synchronized (fLock) { | |
| 162 if (fConfiguredAnnotationTypes !is null) { | |
| 163 if (fSummarizer is null) | |
| 164 fSummarizer= new Summarizer(); | |
| 165 fSummarizer.reset(); | |
| 166 } | |
| 167 } | |
| 168 } | |
| 169 | |
| 170 private void internalUpdateSummaries(IProgressMonitor monitor) { | |
| 171 | |
| 172 Object previousLockObject= null; | |
| 173 fAnnotationModel= fProjectionViewer.getVisualAnnotationModel(); | |
| 174 if (fAnnotationModel is null) | |
| 175 return; | |
| 176 | |
| 177 try { | |
| 178 | |
| 179 | |
| 180 IDocument document= fProjectionViewer.getDocument(); | |
| 143 | 181 if ( cast(ISynchronizable)document && cast(ISynchronizable)fAnnotationModel ) { |
| 134 | 182 ISynchronizable sync= cast(ISynchronizable) fAnnotationModel; |
| 129 | 183 previousLockObject= sync.getLockObject(); |
| 134 | 184 sync.setLockObject((cast(ISynchronizable) document).getLockObject()); |
| 129 | 185 } |
| 186 | |
| 187 | |
| 188 removeSummaries(monitor); | |
| 158 | 189 |
| 129 | 190 if (isCanceled(monitor)) |
| 191 return; | |
| 192 | |
| 193 createSummaries(monitor); | |
| 194 | |
| 195 } finally { | |
| 196 | |
| 138 | 197 if ( cast(ISynchronizable)fAnnotationModel ) { |
| 134 | 198 ISynchronizable sync= cast(ISynchronizable) fAnnotationModel; |
| 129 | 199 sync.setLockObject(previousLockObject); |
| 200 } | |
| 201 fAnnotationModel= null; | |
| 202 | |
| 203 } | |
| 204 } | |
| 205 | |
| 206 private bool isCanceled(IProgressMonitor monitor) { | |
| 207 return monitor !is null && monitor.isCanceled(); | |
| 208 } | |
| 209 | |
| 210 private void removeSummaries(IProgressMonitor monitor) { | |
| 211 IAnnotationModelExtension extension= null; | |
| 212 List bags= null; | |
| 213 | |
| 138 | 214 if ( cast(IAnnotationModelExtension)fAnnotationModel ) { |
| 134 | 215 extension= cast(IAnnotationModelExtension) fAnnotationModel; |
| 129 | 216 bags= new ArrayList(); |
| 217 } | |
| 218 | |
| 219 Iterator e= fAnnotationModel.getAnnotationIterator(); | |
| 220 while (e.hasNext()) { | |
| 134 | 221 Annotation annotation= cast(Annotation) e.next(); |
| 138 | 222 if ( cast(AnnotationBag)annotation ) { |
| 129 | 223 if (bags is null) |
| 224 fAnnotationModel.removeAnnotation(annotation); | |
| 225 else | |
| 226 bags.add(annotation); | |
| 227 } | |
| 228 | |
| 229 if (isCanceled(monitor)) | |
| 230 return; | |
| 231 } | |
| 232 | |
| 233 if (bags !is null && bags.size() > 0) { | |
| 234 Annotation[] deletions= new Annotation[bags.size()]; | |
| 235 bags.toArray(deletions); | |
| 236 if (!isCanceled(monitor)) | |
| 237 extension.replaceAnnotations(deletions, null); | |
| 238 } | |
| 239 } | |
| 240 | |
| 241 private void createSummaries(IProgressMonitor monitor) { | |
| 242 ProjectionAnnotationModel model= fProjectionViewer.getProjectionAnnotationModel(); | |
| 243 if (model is null) | |
| 244 return; | |
| 245 | |
| 246 Map additions= new HashMap(); | |
| 247 | |
| 248 Iterator e= model.getAnnotationIterator(); | |
| 249 while (e.hasNext()) { | |
| 134 | 250 ProjectionAnnotation projection= cast(ProjectionAnnotation) e.next(); |
| 129 | 251 if (projection.isCollapsed()) { |
| 252 Position position= model.getPosition(projection); | |
| 253 if (position !is null) { | |
| 254 IRegion[] summaryRegions= fProjectionViewer.computeCollapsedRegions(position); | |
| 255 if (summaryRegions !is null) { | |
| 256 Position summaryAnchor= fProjectionViewer.computeCollapsedRegionAnchor(position); | |
| 257 if (summaryAnchor !is null) | |
| 258 createSummary(additions, summaryRegions, summaryAnchor); | |
| 259 } | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 if (isCanceled(monitor)) | |
| 264 return; | |
| 265 } | |
| 266 | |
| 267 if (additions.size() > 0) { | |
| 138 | 268 if ( cast(IAnnotationModelExtension)fAnnotationModel ) { |
| 134 | 269 IAnnotationModelExtension extension= cast(IAnnotationModelExtension) fAnnotationModel; |
| 129 | 270 if (!isCanceled(monitor)) |
| 271 extension.replaceAnnotations(null, additions); | |
| 272 } else { | |
| 273 Iterator e1= additions.keySet().iterator(); | |
| 274 while (e1.hasNext()) { | |
| 134 | 275 AnnotationBag bag= cast(AnnotationBag) e1.next(); |
| 276 Position position= cast(Position) additions.get(bag); | |
| 129 | 277 if (isCanceled(monitor)) |
| 278 return; | |
| 279 fAnnotationModel.addAnnotation(bag, position); | |
| 280 } | |
| 281 } | |
| 282 } | |
| 283 } | |
| 284 | |
| 285 private void createSummary(Map additions, IRegion[] summaryRegions, Position summaryAnchor) { | |
| 286 | |
| 287 int size= 0; | |
| 288 Map map= null; | |
| 289 | |
| 290 synchronized (fLock) { | |
| 291 if (fConfiguredAnnotationTypes !is null) { | |
| 292 size= fConfiguredAnnotationTypes.size(); | |
| 293 map= new HashMap(); | |
| 294 for (int i= 0; i < size; i++) { | |
| 162 | 295 String type= stringcast( fConfiguredAnnotationTypes.get(i)); |
| 129 | 296 map.put(type, new AnnotationBag(type)); |
| 297 } | |
| 298 } | |
| 299 } | |
| 300 | |
| 301 if (map is null) | |
| 302 return; | |
| 303 | |
| 304 IAnnotationModel model= fProjectionViewer.getAnnotationModel(); | |
| 305 if (model is null) | |
| 306 return; | |
| 307 Iterator e= model.getAnnotationIterator(); | |
| 308 while (e.hasNext()) { | |
| 134 | 309 Annotation annotation= cast(Annotation) e.next(); |
| 129 | 310 AnnotationBag bag= findBagForType(map, annotation.getType()); |
| 311 if (bag !is null) { | |
| 312 Position position= model.getPosition(annotation); | |
| 313 if (includes(summaryRegions, position)) | |
| 314 bag.add(annotation); | |
| 315 } | |
| 316 } | |
| 317 | |
| 318 for (int i= 0; i < size; i++) { | |
| 134 | 319 AnnotationBag bag= cast(AnnotationBag) map.get(fConfiguredAnnotationTypes.get(i)); |
| 129 | 320 if (!bag.isEmpty()) |
| 321 additions.put(bag, new Position(summaryAnchor.getOffset(), summaryAnchor.getLength())); | |
| 322 } | |
| 323 } | |
| 324 | |
| 325 private AnnotationBag findBagForType(Map bagMap, String annotationType) { | |
| 134 | 326 AnnotationBag bag= cast(AnnotationBag) bagMap.get(annotationType); |
| 143 | 327 if (bag is null && cast(IAnnotationAccessExtension)fAnnotationAccess ) { |
| 134 | 328 IAnnotationAccessExtension extension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 162 | 329 Object[] superTypes= extension.getSupertypes(stringcast(annotationType)); |
| 129 | 330 for (int i= 0; i < superTypes.length && bag is null; i++) { |
| 134 | 331 bag= cast(AnnotationBag) bagMap.get(superTypes[i]); |
| 129 | 332 } |
| 333 } | |
| 334 return bag; | |
| 335 } | |
| 336 | |
| 337 private bool includes(IRegion[] regions, Position position) { | |
| 338 for (int i= 0; i < regions.length; i++) { | |
| 339 IRegion region= regions[i]; | |
| 340 if (position !is null && !position.isDeleted() | |
| 341 && region.getOffset() <= position.getOffset() && position.getOffset() + position.getLength() <= region.getOffset() + region.getLength()) | |
| 342 return true; | |
| 343 } | |
| 344 return false; | |
| 345 } | |
| 346 } |