Mercurial > projects > dwt-addons
annotate dwtx/jface/text/source/projection/ProjectionSummary.d @ 142:893c017bcdc5
instanceof
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 21:29:00 +0200 |
| parents | b6bad70d540a |
| children | 53b889547456 |
| 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; |
| 28 | |
| 29 | |
| 30 import java.util.ArrayList; | |
| 31 import java.util.HashMap; | |
| 32 import java.util.Iterator; | |
| 33 import java.util.List; | |
| 34 import java.util.Map; | |
| 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 | |
| 56 private class Summarizer : Thread { | |
| 57 | |
| 58 private bool fReset= true; | |
| 59 | |
| 60 /** | |
| 61 * Creates a new thread. | |
| 62 */ | |
|
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63 public this() { |
| 129 | 64 fProgressMonitor= new NullProgressMonitor(); // might be given by client in the future |
| 65 setDaemon(true); | |
| 66 start(); | |
| 67 } | |
| 68 | |
| 69 /** | |
| 70 * Resets the thread. | |
| 71 */ | |
| 72 public void reset() { | |
| 73 synchronized (fLock) { | |
| 74 fReset= true; | |
| 75 fProgressMonitor.setCanceled(true); | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 /* | |
| 80 * @see java.lang.Thread#run() | |
| 81 */ | |
| 82 public void run() { | |
| 83 while (true) { | |
| 84 synchronized (fLock) { | |
| 85 if (!fReset) | |
| 86 break; | |
| 87 fReset= false; | |
| 88 fProgressMonitor.setCanceled(false); | |
| 89 } | |
| 90 internalUpdateSummaries(fProgressMonitor); | |
| 91 } | |
| 92 | |
| 93 synchronized (fLock) { | |
| 94 fSummarizer= null; | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 | |
| 100 private ProjectionViewer fProjectionViewer; | |
| 101 private IAnnotationModel fAnnotationModel; | |
| 102 private IAnnotationAccess fAnnotationAccess; | |
| 103 private List fConfiguredAnnotationTypes; | |
| 104 | |
| 105 private Object fLock= new Object(); | |
| 106 private IProgressMonitor fProgressMonitor; | |
| 107 private volatile Summarizer fSummarizer; | |
| 108 | |
| 109 /** | |
| 110 * Creates a new projection summary. | |
| 111 * | |
| 112 * @param projectionViewer the projection viewer | |
| 113 * @param annotationAccess the annotation access | |
| 114 */ | |
|
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parents:
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diff
changeset
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115 public this(ProjectionViewer projectionViewer, IAnnotationAccess annotationAccess) { |
| 129 | 116 super(); |
| 117 fProjectionViewer= projectionViewer; | |
| 118 fAnnotationAccess= annotationAccess; | |
| 119 } | |
| 120 | |
| 121 /** | |
| 122 * Adds the given annotation type. For now on, annotations of that type are | |
| 123 * also reflected in their enclosing collapsed regions. | |
| 124 * | |
| 125 * @param annotationType the annotation type to add | |
| 126 */ | |
| 127 public void addAnnotationType(String annotationType) { | |
| 128 synchronized(fLock) { | |
| 129 if (fConfiguredAnnotationTypes is null) { | |
| 130 fConfiguredAnnotationTypes= new ArrayList(); | |
| 131 fConfiguredAnnotationTypes.add(annotationType); | |
| 132 } else if (!fConfiguredAnnotationTypes.contains(annotationType)) | |
| 133 fConfiguredAnnotationTypes.add(annotationType); | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 /** | |
| 138 * Removes the given annotation. Annotation of that type are no | |
| 139 * longer reflected in their enclosing collapsed region. | |
| 140 * | |
| 141 * @param annotationType the annotation type to remove | |
| 142 */ | |
| 143 public void removeAnnotationType(String annotationType) { | |
| 144 synchronized (fLock) { | |
| 145 if (fConfiguredAnnotationTypes !is null) { | |
| 146 fConfiguredAnnotationTypes.remove(annotationType); | |
| 147 if (fConfiguredAnnotationTypes.size() is 0) | |
| 148 fConfiguredAnnotationTypes= null; | |
| 149 } | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 /** | |
| 154 * Forces an updated of the annotation summary. | |
| 155 */ | |
| 156 public void updateSummaries() { | |
| 157 synchronized (fLock) { | |
| 158 if (fConfiguredAnnotationTypes !is null) { | |
| 159 if (fSummarizer is null) | |
| 160 fSummarizer= new Summarizer(); | |
| 161 fSummarizer.reset(); | |
| 162 } | |
| 163 } | |
| 164 } | |
| 165 | |
| 166 private void internalUpdateSummaries(IProgressMonitor monitor) { | |
| 167 | |
| 168 Object previousLockObject= null; | |
| 169 fAnnotationModel= fProjectionViewer.getVisualAnnotationModel(); | |
| 170 if (fAnnotationModel is null) | |
| 171 return; | |
| 172 | |
| 173 try { | |
| 174 | |
| 175 | |
| 176 IDocument document= fProjectionViewer.getDocument(); | |
| 142 | 177 if ( cast(ISynchronizable)document && fAnnotationModel instanceof ISynchronizable) { |
| 134 | 178 ISynchronizable sync= cast(ISynchronizable) fAnnotationModel; |
| 129 | 179 previousLockObject= sync.getLockObject(); |
| 134 | 180 sync.setLockObject((cast(ISynchronizable) document).getLockObject()); |
| 129 | 181 } |
| 182 | |
| 183 | |
| 184 removeSummaries(monitor); | |
| 185 | |
| 186 if (isCanceled(monitor)) | |
| 187 return; | |
| 188 | |
| 189 createSummaries(monitor); | |
| 190 | |
| 191 } finally { | |
| 192 | |
| 138 | 193 if ( cast(ISynchronizable)fAnnotationModel ) { |
| 134 | 194 ISynchronizable sync= cast(ISynchronizable) fAnnotationModel; |
| 129 | 195 sync.setLockObject(previousLockObject); |
| 196 } | |
| 197 fAnnotationModel= null; | |
| 198 | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 private bool isCanceled(IProgressMonitor monitor) { | |
| 203 return monitor !is null && monitor.isCanceled(); | |
| 204 } | |
| 205 | |
| 206 private void removeSummaries(IProgressMonitor monitor) { | |
| 207 IAnnotationModelExtension extension= null; | |
| 208 List bags= null; | |
| 209 | |
| 138 | 210 if ( cast(IAnnotationModelExtension)fAnnotationModel ) { |
| 134 | 211 extension= cast(IAnnotationModelExtension) fAnnotationModel; |
| 129 | 212 bags= new ArrayList(); |
| 213 } | |
| 214 | |
| 215 Iterator e= fAnnotationModel.getAnnotationIterator(); | |
| 216 while (e.hasNext()) { | |
| 134 | 217 Annotation annotation= cast(Annotation) e.next(); |
| 138 | 218 if ( cast(AnnotationBag)annotation ) { |
| 129 | 219 if (bags is null) |
| 220 fAnnotationModel.removeAnnotation(annotation); | |
| 221 else | |
| 222 bags.add(annotation); | |
| 223 } | |
| 224 | |
| 225 if (isCanceled(monitor)) | |
| 226 return; | |
| 227 } | |
| 228 | |
| 229 if (bags !is null && bags.size() > 0) { | |
| 230 Annotation[] deletions= new Annotation[bags.size()]; | |
| 231 bags.toArray(deletions); | |
| 232 if (!isCanceled(monitor)) | |
| 233 extension.replaceAnnotations(deletions, null); | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 private void createSummaries(IProgressMonitor monitor) { | |
| 238 ProjectionAnnotationModel model= fProjectionViewer.getProjectionAnnotationModel(); | |
| 239 if (model is null) | |
| 240 return; | |
| 241 | |
| 242 Map additions= new HashMap(); | |
| 243 | |
| 244 Iterator e= model.getAnnotationIterator(); | |
| 245 while (e.hasNext()) { | |
| 134 | 246 ProjectionAnnotation projection= cast(ProjectionAnnotation) e.next(); |
| 129 | 247 if (projection.isCollapsed()) { |
| 248 Position position= model.getPosition(projection); | |
| 249 if (position !is null) { | |
| 250 IRegion[] summaryRegions= fProjectionViewer.computeCollapsedRegions(position); | |
| 251 if (summaryRegions !is null) { | |
| 252 Position summaryAnchor= fProjectionViewer.computeCollapsedRegionAnchor(position); | |
| 253 if (summaryAnchor !is null) | |
| 254 createSummary(additions, summaryRegions, summaryAnchor); | |
| 255 } | |
| 256 } | |
| 257 } | |
| 258 | |
| 259 if (isCanceled(monitor)) | |
| 260 return; | |
| 261 } | |
| 262 | |
| 263 if (additions.size() > 0) { | |
| 138 | 264 if ( cast(IAnnotationModelExtension)fAnnotationModel ) { |
| 134 | 265 IAnnotationModelExtension extension= cast(IAnnotationModelExtension) fAnnotationModel; |
| 129 | 266 if (!isCanceled(monitor)) |
| 267 extension.replaceAnnotations(null, additions); | |
| 268 } else { | |
| 269 Iterator e1= additions.keySet().iterator(); | |
| 270 while (e1.hasNext()) { | |
| 134 | 271 AnnotationBag bag= cast(AnnotationBag) e1.next(); |
| 272 Position position= cast(Position) additions.get(bag); | |
| 129 | 273 if (isCanceled(monitor)) |
| 274 return; | |
| 275 fAnnotationModel.addAnnotation(bag, position); | |
| 276 } | |
| 277 } | |
| 278 } | |
| 279 } | |
| 280 | |
| 281 private void createSummary(Map additions, IRegion[] summaryRegions, Position summaryAnchor) { | |
| 282 | |
| 283 int size= 0; | |
| 284 Map map= null; | |
| 285 | |
| 286 synchronized (fLock) { | |
| 287 if (fConfiguredAnnotationTypes !is null) { | |
| 288 size= fConfiguredAnnotationTypes.size(); | |
| 289 map= new HashMap(); | |
| 290 for (int i= 0; i < size; i++) { | |
| 134 | 291 String type= cast(String) fConfiguredAnnotationTypes.get(i); |
| 129 | 292 map.put(type, new AnnotationBag(type)); |
| 293 } | |
| 294 } | |
| 295 } | |
| 296 | |
| 297 if (map is null) | |
| 298 return; | |
| 299 | |
| 300 IAnnotationModel model= fProjectionViewer.getAnnotationModel(); | |
| 301 if (model is null) | |
| 302 return; | |
| 303 Iterator e= model.getAnnotationIterator(); | |
| 304 while (e.hasNext()) { | |
| 134 | 305 Annotation annotation= cast(Annotation) e.next(); |
| 129 | 306 AnnotationBag bag= findBagForType(map, annotation.getType()); |
| 307 if (bag !is null) { | |
| 308 Position position= model.getPosition(annotation); | |
| 309 if (includes(summaryRegions, position)) | |
| 310 bag.add(annotation); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 for (int i= 0; i < size; i++) { | |
| 134 | 315 AnnotationBag bag= cast(AnnotationBag) map.get(fConfiguredAnnotationTypes.get(i)); |
| 129 | 316 if (!bag.isEmpty()) |
| 317 additions.put(bag, new Position(summaryAnchor.getOffset(), summaryAnchor.getLength())); | |
| 318 } | |
| 319 } | |
| 320 | |
| 321 private AnnotationBag findBagForType(Map bagMap, String annotationType) { | |
| 134 | 322 AnnotationBag bag= cast(AnnotationBag) bagMap.get(annotationType); |
| 129 | 323 if (bag is null && fAnnotationAccess instanceof IAnnotationAccessExtension) { |
| 134 | 324 IAnnotationAccessExtension extension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 325 Object[] superTypes= extension.getSupertypes(annotationType); |
| 326 for (int i= 0; i < superTypes.length && bag is null; i++) { | |
| 134 | 327 bag= cast(AnnotationBag) bagMap.get(superTypes[i]); |
| 129 | 328 } |
| 329 } | |
| 330 return bag; | |
| 331 } | |
| 332 | |
| 333 private bool includes(IRegion[] regions, Position position) { | |
| 334 for (int i= 0; i < regions.length; i++) { | |
| 335 IRegion region= regions[i]; | |
| 336 if (position !is null && !position.isDeleted() | |
| 337 && region.getOffset() <= position.getOffset() && position.getOffset() + position.getLength() <= region.getOffset() + region.getLength()) | |
| 338 return true; | |
| 339 } | |
| 340 return false; | |
| 341 } | |
| 342 } |