Mercurial > projects > dwt-addons
annotate dwtx/jface/text/source/AnnotationPainter.d @ 158:25f1f92fa3df
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| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Tue, 26 Aug 2008 02:46:34 +0200 |
| parents | 7f75eaa8103a |
| children | 7926b636c282 |
| 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.AnnotationPainter; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.source.ISharedTextColors; // packageimport |
| 16 import dwtx.jface.text.source.ILineRange; // packageimport | |
| 17 import dwtx.jface.text.source.IAnnotationPresentation; // packageimport | |
| 18 import dwtx.jface.text.source.IVerticalRulerInfoExtension; // packageimport | |
| 19 import dwtx.jface.text.source.ICharacterPairMatcher; // packageimport | |
| 20 import dwtx.jface.text.source.TextInvocationContext; // packageimport | |
| 21 import dwtx.jface.text.source.LineChangeHover; // packageimport | |
| 22 import dwtx.jface.text.source.IChangeRulerColumn; // packageimport | |
| 23 import dwtx.jface.text.source.IAnnotationMap; // packageimport | |
| 24 import dwtx.jface.text.source.IAnnotationModelListenerExtension; // packageimport | |
| 25 import dwtx.jface.text.source.ISourceViewerExtension2; // packageimport | |
| 26 import dwtx.jface.text.source.IAnnotationHover; // packageimport | |
| 27 import dwtx.jface.text.source.ContentAssistantFacade; // packageimport | |
| 28 import dwtx.jface.text.source.IAnnotationAccess; // packageimport | |
| 29 import dwtx.jface.text.source.IVerticalRulerExtension; // packageimport | |
| 30 import dwtx.jface.text.source.IVerticalRulerColumn; // packageimport | |
| 31 import dwtx.jface.text.source.LineNumberRulerColumn; // packageimport | |
| 32 import dwtx.jface.text.source.MatchingCharacterPainter; // packageimport | |
| 33 import dwtx.jface.text.source.IAnnotationModelExtension; // packageimport | |
| 34 import dwtx.jface.text.source.ILineDifferExtension; // packageimport | |
| 35 import dwtx.jface.text.source.DefaultCharacterPairMatcher; // packageimport | |
| 36 import dwtx.jface.text.source.LineNumberChangeRulerColumn; // packageimport | |
| 37 import dwtx.jface.text.source.IAnnotationAccessExtension; // packageimport | |
| 38 import dwtx.jface.text.source.ISourceViewer; // packageimport | |
| 39 import dwtx.jface.text.source.AnnotationModel; // packageimport | |
| 40 import dwtx.jface.text.source.ILineDifferExtension2; // packageimport | |
| 41 import dwtx.jface.text.source.IAnnotationModelListener; // packageimport | |
| 42 import dwtx.jface.text.source.IVerticalRuler; // packageimport | |
| 43 import dwtx.jface.text.source.DefaultAnnotationHover; // packageimport | |
| 44 import dwtx.jface.text.source.SourceViewer; // packageimport | |
| 45 import dwtx.jface.text.source.SourceViewerConfiguration; // packageimport | |
| 46 import dwtx.jface.text.source.AnnotationBarHoverManager; // packageimport | |
| 47 import dwtx.jface.text.source.CompositeRuler; // packageimport | |
| 48 import dwtx.jface.text.source.ImageUtilities; // packageimport | |
| 49 import dwtx.jface.text.source.VisualAnnotationModel; // packageimport | |
| 50 import dwtx.jface.text.source.IAnnotationModel; // packageimport | |
| 51 import dwtx.jface.text.source.ISourceViewerExtension3; // packageimport | |
| 52 import dwtx.jface.text.source.ILineDiffInfo; // packageimport | |
| 53 import dwtx.jface.text.source.VerticalRulerEvent; // packageimport | |
| 54 import dwtx.jface.text.source.ChangeRulerColumn; // packageimport | |
| 55 import dwtx.jface.text.source.ILineDiffer; // packageimport | |
| 56 import dwtx.jface.text.source.AnnotationModelEvent; // packageimport | |
| 57 import dwtx.jface.text.source.AnnotationColumn; // packageimport | |
| 58 import dwtx.jface.text.source.AnnotationRulerColumn; // packageimport | |
| 59 import dwtx.jface.text.source.IAnnotationHoverExtension; // packageimport | |
| 60 import dwtx.jface.text.source.AbstractRulerColumn; // packageimport | |
| 61 import dwtx.jface.text.source.ISourceViewerExtension; // packageimport | |
| 62 import dwtx.jface.text.source.AnnotationMap; // packageimport | |
| 63 import dwtx.jface.text.source.IVerticalRulerInfo; // packageimport | |
| 64 import dwtx.jface.text.source.IAnnotationModelExtension2; // packageimport | |
| 65 import dwtx.jface.text.source.LineRange; // packageimport | |
| 66 import dwtx.jface.text.source.IAnnotationAccessExtension2; // packageimport | |
| 67 import dwtx.jface.text.source.VerticalRuler; // packageimport | |
| 68 import dwtx.jface.text.source.JFaceTextMessages; // packageimport | |
| 69 import dwtx.jface.text.source.IOverviewRuler; // packageimport | |
| 70 import dwtx.jface.text.source.Annotation; // packageimport | |
| 71 import dwtx.jface.text.source.IVerticalRulerListener; // packageimport | |
| 72 import dwtx.jface.text.source.ISourceViewerExtension4; // packageimport | |
| 73 import dwtx.jface.text.source.IAnnotationHoverExtension2; // packageimport | |
| 74 import dwtx.jface.text.source.OverviewRuler; // packageimport | |
| 75 import dwtx.jface.text.source.OverviewRulerHoverManager; // packageimport | |
| 76 | |
| 77 | |
| 129 | 78 import dwt.dwthelper.utils; |
| 79 | |
| 80 | |
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81 import dwtx.dwtxhelper.Collection; |
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90 |
| 129 | 91 |
| 92 import dwt.DWT; | |
| 93 import dwt.DWTException; | |
| 94 import dwt.custom.StyleRange; | |
| 95 import dwt.custom.StyledText; | |
| 96 import dwt.events.PaintEvent; | |
| 97 import dwt.events.PaintListener; | |
| 98 import dwt.graphics.Color; | |
| 99 import dwt.graphics.GC; | |
| 100 import dwt.graphics.Point; | |
| 101 import dwt.graphics.Rectangle; | |
| 102 import dwt.graphics.TextStyle; | |
| 103 import dwt.widgets.Display; | |
| 104 import dwtx.core.runtime.Assert; | |
| 105 import dwtx.core.runtime.Platform; | |
| 106 import dwtx.jface.text.BadLocationException; | |
| 107 import dwtx.jface.text.IDocument; | |
| 108 import dwtx.jface.text.IPaintPositionManager; | |
| 109 import dwtx.jface.text.IPainter; | |
| 110 import dwtx.jface.text.IRegion; | |
| 111 import dwtx.jface.text.ITextInputListener; | |
| 112 import dwtx.jface.text.ITextPresentationListener; | |
| 113 import dwtx.jface.text.ITextViewerExtension2; | |
| 114 import dwtx.jface.text.ITextViewerExtension5; | |
| 115 import dwtx.jface.text.JFaceTextUtil; | |
| 116 import dwtx.jface.text.Position; | |
| 117 import dwtx.jface.text.Region; | |
| 118 import dwtx.jface.text.TextPresentation; | |
| 119 | |
| 120 | |
| 121 /** | |
| 122 * A drawing strategy draws the decoration for an annotation onto the text widget. | |
| 123 * | |
| 124 * @since 3.0 | |
| 125 */ | |
| 126 public interface IDrawingStrategy { | |
| 127 /** | |
| 128 * Draws a decoration for an annotation onto the specified GC at the given text range. There | |
| 129 * are two different invocation modes of the <code>draw</code> method: | |
| 130 * <ul> | |
| 131 * <li><strong>drawing mode:</strong> the passed GC is the graphics context of a paint | |
| 132 * event occurring on the text widget. The strategy should draw the decoration onto the | |
| 133 * graphics context, such that the decoration appears at the given range in the text | |
| 134 * widget.</li> | |
| 135 * <li><strong>clearing mode:</strong> the passed GC is <code>null</code>. In this case | |
| 136 * the strategy must invalidate enough of the text widget's client area to cover any | |
| 137 * decoration drawn in drawing mode. This can usually be accomplished by calling | |
| 138 * {@linkplain StyledText#redrawRange(int, int, bool) textWidget.redrawRange(offset, length, true)}.</li> | |
| 139 * </ul> | |
| 145 | 140 * |
| 129 | 141 * @param annotation the annotation to be drawn |
| 142 * @param gc the graphics context, <code>null</code> when in clearing mode | |
| 143 * @param textWidget the text widget to draw on | |
| 144 * @param offset the offset of the line | |
| 145 * @param length the length of the line | |
| 146 * @param color the color of the line | |
| 147 */ | |
| 148 void draw(Annotation annotation, GC gc, StyledText textWidget, int offset, int length, Color color); | |
| 149 } | |
| 150 | |
| 158 | 151 alias IDrawingStrategy AnnotationPainter_IDrawingStrategy; |
| 152 | |
| 153 /** | |
| 154 * Paints decorations for annotations provided by an annotation model and/or | |
| 155 * highlights them in the associated source viewer. | |
| 156 * <p> | |
| 157 * The annotation painter can be configured with drawing strategies. A drawing | |
| 158 * strategy defines the visual presentation of a particular type of annotation | |
| 159 * decoration.</p> | |
| 160 * <p> | |
| 161 * Clients usually instantiate and configure objects of this class.</p> | |
| 162 * | |
| 163 * @since 2.1 | |
| 164 */ | |
| 165 public class AnnotationPainter : IPainter, PaintListener, IAnnotationModelListener, IAnnotationModelListenerExtension, ITextPresentationListener { | |
| 166 | |
| 129 | 167 /** |
| 168 * Squiggles drawing strategy. | |
| 145 | 169 * |
| 129 | 170 * @since 3.0 |
| 171 * @deprecated As of 3.4, replaced by {@link AnnotationPainter.UnderlineStrategy} | |
| 172 */ | |
| 173 public static class SquigglesStrategy : IDrawingStrategy { | |
| 174 | |
| 175 /* | |
| 176 * @see dwtx.jface.text.source.AnnotationPainter.IDrawingStrategy#draw(dwtx.jface.text.source.Annotation, dwt.graphics.GC, dwt.custom.StyledText, int, int, dwt.graphics.Color) | |
| 177 * @since 3.0 | |
| 178 */ | |
| 179 public void draw(Annotation annotation, GC gc, StyledText textWidget, int offset, int length, Color color) { | |
| 180 if (gc !is null) { | |
| 181 | |
| 182 if (length < 1) | |
| 183 return; | |
| 184 | |
| 185 Point left= textWidget.getLocationAtOffset(offset); | |
| 186 Point right= textWidget.getLocationAtOffset(offset + length); | |
| 187 Rectangle rect= textWidget.getTextBounds(offset, offset + length - 1); | |
| 188 left.x= rect.x; | |
| 189 right.x= rect.x + rect.width; | |
| 190 | |
| 191 int[] polyline= computePolyline(left, right, textWidget.getBaseline(offset), textWidget.getLineHeight(offset)); | |
| 145 | 192 |
| 129 | 193 gc.setLineWidth(0); // NOTE: 0 means width is 1 but with optimized performance |
| 194 gc.setLineStyle(DWT.LINE_SOLID); | |
| 195 gc.setForeground(color); | |
| 196 gc.drawPolyline(polyline); | |
| 197 | |
| 198 } else { | |
| 199 textWidget.redrawRange(offset, length, true); | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 /** | |
| 204 * Computes an array of alternating x and y values which are the corners of the squiggly line of the | |
| 205 * given height between the given end points. | |
| 206 * | |
| 207 * @param left the left end point | |
| 208 * @param right the right end point | |
| 209 * @param baseline the font's baseline | |
| 210 * @param lineHeight the height of the line | |
| 211 * @return the array of alternating x and y values which are the corners of the squiggly line | |
| 212 */ | |
| 213 private int[] computePolyline(Point left, Point right, int baseline, int lineHeight) { | |
| 214 | |
| 215 final int WIDTH= 4; // must be even | |
| 216 final int HEIGHT= 2; // can be any number | |
| 217 | |
| 218 int peaks= (right.x - left.x) / WIDTH; | |
| 219 if (peaks is 0 && right.x - left.x > 2) | |
| 220 peaks= 1; | |
| 221 | |
| 222 int leftX= left.x; | |
| 223 | |
| 224 // compute (number of point) * 2 | |
| 225 int length= ((2 * peaks) + 1) * 2; | |
| 226 if (length < 0) | |
| 227 return new int[0]; | |
| 228 | |
| 229 int[] coordinates= new int[length]; | |
| 230 | |
| 231 // cache peeks' y-coordinates | |
| 232 int top= left.y + Math.min(baseline + 1, lineHeight - HEIGHT - 1); | |
| 233 int bottom= top + HEIGHT; | |
| 234 | |
| 235 // populate array with peek coordinates | |
| 236 for (int i= 0; i < peaks; i++) { | |
| 237 int index= 4 * i; | |
| 238 coordinates[index]= leftX + (WIDTH * i); | |
| 239 coordinates[index+1]= bottom; | |
| 240 coordinates[index+2]= coordinates[index] + WIDTH/2; | |
| 241 coordinates[index+3]= top; | |
| 242 } | |
| 243 | |
| 244 // the last down flank is missing | |
| 245 coordinates[length-2]= Math.min(Math.max(0, right.x - 1), left.x + (WIDTH * peaks)); | |
| 246 coordinates[length-1]= bottom; | |
| 247 | |
| 248 return coordinates; | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 /** | |
| 253 * Drawing strategy that does nothing. | |
| 254 * | |
| 255 * @since 3.0 | |
| 256 */ | |
| 257 public static final class NullStrategy : IDrawingStrategy { | |
| 258 | |
| 259 /* | |
| 260 * @see dwtx.jface.text.source.AnnotationPainter.IDrawingStrategy#draw(dwtx.jface.text.source.Annotation, dwt.graphics.GC, dwt.custom.StyledText, int, int, dwt.graphics.Color) | |
| 261 * @since 3.0 | |
| 262 */ | |
| 263 public void draw(Annotation annotation, GC gc, StyledText textWidget, int offset, int length, Color color) { | |
| 264 // do nothing | |
| 265 } | |
| 266 } | |
| 145 | 267 |
| 268 | |
| 129 | 269 /** |
| 270 * A text style painting strategy draws the decoration for an annotation | |
| 271 * onto the text widget by applying a {@link TextStyle} on a given | |
| 272 * {@link StyleRange}. | |
| 145 | 273 * |
| 129 | 274 * @since 3.4 |
| 275 */ | |
| 276 public interface ITextStyleStrategy { | |
| 277 | |
| 278 /** | |
| 279 * Applies a text style on the given <code>StyleRange</code>. | |
| 145 | 280 * |
| 129 | 281 * @param styleRange the style range on which to apply the text style |
| 282 * @param annotationColor the color of the annotation | |
| 283 */ | |
| 284 void applyTextStyle(StyleRange styleRange, Color annotationColor); | |
| 285 } | |
| 145 | 286 |
| 129 | 287 |
| 288 /** | |
| 289 * @since 3.4 | |
| 290 */ | |
| 291 public static final class HighlightingStrategy : ITextStyleStrategy { | |
| 292 public void applyTextStyle(StyleRange styleRange, Color annotationColor) { | |
| 293 styleRange.background= annotationColor; | |
| 294 } | |
| 295 } | |
| 296 | |
| 145 | 297 |
| 129 | 298 /** |
| 299 * Underline text style strategy. | |
| 145 | 300 * |
| 129 | 301 * @since 3.4 |
| 302 */ | |
| 303 public static final class UnderlineStrategy : ITextStyleStrategy { | |
| 145 | 304 |
| 129 | 305 int fUnderlineStyle; |
| 306 | |
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307 public this(int style) { |
| 129 | 308 Assert.isLegal(style is DWT.UNDERLINE_SINGLE || style is DWT.UNDERLINE_DOUBLE || style is DWT.UNDERLINE_ERROR || style is DWT.UNDERLINE_SQUIGGLE); |
| 309 fUnderlineStyle= style; | |
| 310 } | |
| 311 | |
| 312 public void applyTextStyle(StyleRange styleRange, Color annotationColor) { | |
| 313 styleRange.underline= true; | |
| 314 styleRange.underlineStyle= fUnderlineStyle; | |
| 315 styleRange.underlineColor= annotationColor; | |
| 316 } | |
| 317 } | |
| 318 | |
| 145 | 319 |
| 129 | 320 /** |
| 321 * Box text style strategy. | |
| 145 | 322 * |
| 129 | 323 * @since 3.4 |
| 324 */ | |
| 325 public static final class BoxStrategy : ITextStyleStrategy { | |
| 145 | 326 |
| 129 | 327 int fBorderStyle; |
| 328 | |
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329 public this(int style) { |
| 129 | 330 Assert.isLegal(style is DWT.BORDER_DASH || style is DWT.BORDER_DASH || style is DWT.BORDER_SOLID); |
| 331 fBorderStyle= style; | |
| 332 } | |
| 145 | 333 |
| 129 | 334 public void applyTextStyle(StyleRange styleRange, Color annotationColor) { |
| 335 styleRange.borderStyle= fBorderStyle; | |
| 336 styleRange.borderColor= annotationColor; | |
| 337 } | |
| 338 } | |
| 145 | 339 |
| 129 | 340 |
| 341 /** | |
| 342 * Implementation of <code>IRegion</code> that can be reused | |
| 343 * by setting the offset and the length. | |
| 344 */ | |
| 345 private static class ReusableRegion : Position , IRegion {} | |
| 346 | |
| 347 /** | |
| 348 * Tells whether this class is in debug mode. | |
| 349 * @since 3.0 | |
| 350 */ | |
| 351 private static bool DEBUG= "true".equalsIgnoreCase(Platform.getDebugOption("dwtx.jface.text/debug/AnnotationPainter")); //$NON-NLS-1$//$NON-NLS-2$ | |
| 352 /** | |
| 353 * The squiggly painter strategy. | |
| 354 * @since 3.0 | |
| 355 */ | |
| 147 | 356 private static const IDrawingStrategy SQUIGGLES_STRATEGY= new SquigglesStrategy(); |
| 129 | 357 |
| 358 /** | |
| 359 * This strategy is used to mark the <code>null</code> value in the chache | |
| 360 * maps. | |
| 145 | 361 * |
| 129 | 362 * @since 3.4 |
| 363 */ | |
| 147 | 364 private static const IDrawingStrategy NULL_STRATEGY= new NullStrategy(); |
| 129 | 365 /** |
| 366 * The squiggles painter id. | |
| 367 * @since 3.0 | |
| 368 */ | |
| 147 | 369 private static const Object SQUIGGLES= new Object(); |
| 129 | 370 /** |
| 371 * The squiggly painter strategy. | |
| 145 | 372 * |
| 129 | 373 * @since 3.4 |
| 374 */ | |
| 147 | 375 private static const ITextStyleStrategy HIGHLIGHTING_STRATEGY= new HighlightingStrategy(); |
| 129 | 376 |
| 377 /** | |
| 378 * The highlighting text style strategy id. | |
| 145 | 379 * |
| 129 | 380 * @since 3.4 |
| 381 */ | |
| 147 | 382 private static const Object HIGHLIGHTING= new Object(); |
| 129 | 383 |
| 384 /** | |
| 385 * The presentation information (decoration) for an annotation. Each such | |
| 386 * object represents one decoration drawn on the text area, such as squiggly lines | |
| 387 * and underlines. | |
| 388 */ | |
| 389 private static class Decoration { | |
| 390 /** The position of this decoration */ | |
| 391 private Position fPosition; | |
| 392 /** The color of this decoration */ | |
| 393 private Color fColor; | |
| 394 /** | |
| 395 * The annotation's layer | |
| 396 * @since 3.0 | |
| 397 */ | |
| 398 private int fLayer; | |
| 399 /** | |
| 400 * The painting strategy for this decoration. | |
| 401 * @since 3.0 | |
| 402 */ | |
| 403 private Object fPaintingStrategy; | |
| 404 } | |
| 405 | |
| 406 | |
| 407 /** Indicates whether this painter is active */ | |
| 408 private bool fIsActive= false; | |
| 409 /** Indicates whether this painter is managing decorations */ | |
| 410 private bool fIsPainting= false; | |
| 411 /** Indicates whether this painter is setting its annotation model */ | |
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412 private /+volatile+/ bool fIsSettingModel= false; |
| 129 | 413 /** The associated source viewer */ |
| 414 private ISourceViewer fSourceViewer; | |
| 415 /** The cached widget of the source viewer */ | |
| 416 private StyledText fTextWidget; | |
| 417 /** The annotation model providing the annotations to be drawn */ | |
| 418 private IAnnotationModel fModel; | |
| 419 /** The annotation access */ | |
| 420 private IAnnotationAccess fAnnotationAccess; | |
| 421 /** | |
| 422 * The map with decorations | |
| 423 * @since 3.0 | |
| 424 */ | |
| 425 private Map fDecorationsMap= new HashMap(); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=50767 | |
| 426 /** | |
| 427 * The map with of highlighted decorations. | |
| 428 * @since 3.0 | |
| 429 */ | |
| 430 private Map fHighlightedDecorationsMap= new HashMap(); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=50767 | |
| 431 /** | |
| 432 * Mutex for highlighted decorations map. | |
| 433 * @since 3.0 | |
| 434 */ | |
| 435 private Object fDecorationMapLock= new Object(); | |
| 436 /** | |
| 437 * Mutex for for decorations map. | |
| 438 * @since 3.0 | |
| 439 */ | |
| 440 private Object fHighlightedDecorationsMapLock= new Object(); | |
| 441 /** | |
| 442 * Maps an annotation type to its registered color. | |
| 145 | 443 * |
| 129 | 444 * @see #setAnnotationTypeColor(Object, Color) |
| 445 */ | |
| 446 private Map fAnnotationType2Color= new HashMap(); | |
| 447 | |
| 448 /** | |
| 449 * Cache that maps the annotation type to its color. | |
| 450 * @since 3.4 | |
| 451 */ | |
| 452 private Map fCachedAnnotationType2Color= new HashMap(); | |
| 453 /** | |
| 454 * The range in which the current highlight annotations can be found. | |
| 455 * @since 3.0 | |
| 456 */ | |
| 457 private Position fCurrentHighlightAnnotationRange= null; | |
| 458 /** | |
| 459 * The range in which all added, removed and changed highlight | |
| 460 * annotations can be found since the last world change. | |
| 461 * @since 3.0 | |
| 462 */ | |
| 463 private Position fTotalHighlightAnnotationRange= null; | |
| 464 /** | |
| 465 * The range in which the currently drawn annotations can be found. | |
| 466 * @since 3.3 | |
| 467 */ | |
| 468 private Position fCurrentDrawRange= null; | |
| 469 /** | |
| 470 * The range in which all added, removed and changed drawn | |
| 471 * annotations can be found since the last world change. | |
| 472 * @since 3.3 | |
| 473 */ | |
| 474 private Position fTotalDrawRange= null; | |
| 475 /** | |
| 476 * The text input listener. | |
| 477 * @since 3.0 | |
| 478 */ | |
| 479 private ITextInputListener fTextInputListener; | |
| 480 /** | |
| 481 * Flag which tells that a new document input is currently being set. | |
| 482 * @since 3.0 | |
| 483 */ | |
| 484 private bool fInputDocumentAboutToBeChanged; | |
| 485 /** | |
| 486 * Maps annotation types to painting strategy identifiers. | |
| 145 | 487 * |
| 129 | 488 * @see #addAnnotationType(Object, Object) |
| 489 * @since 3.0 | |
| 490 */ | |
| 491 private Map fAnnotationType2PaintingStrategyId= new HashMap(); | |
| 492 /** | |
| 493 * Maps annotation types to painting strategy identifiers. | |
| 494 * @since 3.4 | |
| 495 */ | |
| 496 private Map fCachedAnnotationType2PaintingStrategy= new HashMap(); | |
| 497 | |
| 498 /** | |
| 499 * Maps painting strategy identifiers to painting strategies. | |
| 145 | 500 * |
| 129 | 501 * @since 3.0 |
| 502 */ | |
| 503 private Map fPaintingStrategyId2PaintingStrategy= new HashMap(); | |
| 504 | |
| 505 /** | |
| 506 * Reuse this region for performance reasons. | |
| 507 * @since 3.3 | |
| 508 */ | |
| 509 private ReusableRegion fReusableRegion= new ReusableRegion(); | |
| 145 | 510 |
| 129 | 511 /** |
| 512 * Creates a new annotation painter for the given source viewer and with the | |
| 513 * given annotation access. The painter is not initialized, i.e. no | |
| 514 * annotation types are configured to be painted. | |
| 515 * | |
| 516 * @param sourceViewer the source viewer for this painter | |
| 517 * @param access the annotation access for this painter | |
| 518 */ | |
|
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519 public this(ISourceViewer sourceViewer, IAnnotationAccess access) { |
| 129 | 520 fSourceViewer= sourceViewer; |
| 521 fAnnotationAccess= access; | |
| 522 fTextWidget= sourceViewer.getTextWidget(); | |
| 523 | |
| 524 // default drawing strategies: squiggles were the only decoration style before version 3.0 | |
| 525 fPaintingStrategyId2PaintingStrategy.put(SQUIGGLES, SQUIGGLES_STRATEGY); | |
| 526 fPaintingStrategyId2PaintingStrategy.put(HIGHLIGHTING, HIGHLIGHTING_STRATEGY); | |
| 527 } | |
| 528 | |
| 529 /** | |
| 530 * Returns whether this painter has to draw any squiggles. | |
| 531 * | |
| 532 * @return <code>true</code> if there are squiggles to be drawn, <code>false</code> otherwise | |
| 533 */ | |
| 534 private bool hasDecorations() { | |
| 535 synchronized (fDecorationMapLock) { | |
| 536 return !fDecorationsMap.isEmpty(); | |
| 537 } | |
| 538 } | |
| 539 | |
| 540 /** | |
| 541 * Enables painting. This painter registers a paint listener with the | |
| 542 * source viewer's widget. | |
| 543 */ | |
| 544 private void enablePainting() { | |
| 545 if (!fIsPainting && hasDecorations()) { | |
| 546 fIsPainting= true; | |
| 547 fTextWidget.addPaintListener(this); | |
| 548 handleDrawRequest(null); | |
| 549 } | |
| 550 } | |
| 551 | |
| 552 /** | |
| 553 * Disables painting, if is has previously been enabled. Removes | |
| 554 * any paint listeners registered with the source viewer's widget. | |
| 555 * | |
| 556 * @param redraw <code>true</code> if the widget should be redrawn after disabling | |
| 557 */ | |
| 558 private void disablePainting(bool redraw) { | |
| 559 if (fIsPainting) { | |
| 560 fIsPainting= false; | |
| 561 fTextWidget.removePaintListener(this); | |
| 562 if (redraw && hasDecorations()) | |
| 563 handleDrawRequest(null); | |
| 564 } | |
| 565 } | |
| 566 | |
| 567 /** | |
| 568 * Sets the annotation model for this painter. Registers this painter | |
| 569 * as listener of the give model, if the model is not <code>null</code>. | |
| 570 * | |
| 571 * @param model the annotation model | |
| 572 */ | |
| 573 private void setModel(IAnnotationModel model) { | |
| 574 if (fModel !is model) { | |
| 575 if (fModel !is null) | |
| 576 fModel.removeAnnotationModelListener(this); | |
| 577 fModel= model; | |
| 578 if (fModel !is null) { | |
| 579 try { | |
| 580 fIsSettingModel= true; | |
| 581 fModel.addAnnotationModelListener(this); | |
| 582 } finally { | |
| 583 fIsSettingModel= false; | |
| 584 } | |
| 585 } | |
| 586 } | |
| 587 } | |
| 588 | |
| 589 /** | |
| 590 * Updates the set of decorations based on the current state of | |
| 591 * the painter's annotation model. | |
| 592 * | |
| 593 * @param event the annotation model event | |
| 594 */ | |
| 595 private void catchupWithModel(AnnotationModelEvent event) { | |
| 596 | |
| 597 synchronized (fDecorationMapLock) { | |
| 598 if (fDecorationsMap is null) | |
| 599 return; | |
| 600 } | |
| 601 | |
| 602 IRegion clippingRegion= computeClippingRegion(null, true); | |
| 603 IDocument document= fSourceViewer.getDocument(); | |
| 604 | |
| 605 int highlightAnnotationRangeStart= Integer.MAX_VALUE; | |
| 606 int highlightAnnotationRangeEnd= -1; | |
| 145 | 607 |
| 129 | 608 int drawRangeStart= Integer.MAX_VALUE; |
| 609 int drawRangeEnd= -1; | |
| 610 | |
| 611 if (fModel !is null) { | |
| 612 | |
| 613 Map decorationsMap; | |
| 614 Map highlightedDecorationsMap; | |
| 615 | |
| 616 // Clone decoration maps | |
| 617 synchronized (fDecorationMapLock) { | |
| 618 decorationsMap= new HashMap(fDecorationsMap); | |
| 619 } | |
| 620 synchronized (fHighlightedDecorationsMapLock) { | |
| 621 highlightedDecorationsMap= new HashMap(fHighlightedDecorationsMap); | |
| 622 } | |
| 623 | |
| 624 bool isWorldChange= false; | |
| 625 | |
| 626 Iterator e; | |
| 627 if (event is null || event.isWorldChange()) { | |
| 628 isWorldChange= true; | |
| 629 | |
| 630 if (DEBUG && event is null) | |
|
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631 System.out_.println("AP: INTERNAL CHANGE"); //$NON-NLS-1$ |
| 129 | 632 |
| 633 Iterator iter= decorationsMap.entrySet().iterator(); | |
| 634 while (iter.hasNext()) { | |
|
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635 Map.Entry entry= cast(Map.Entry)iter.next(); |
| 134 | 636 Annotation annotation= cast(Annotation)entry.getKey(); |
| 637 Decoration decoration= cast(Decoration)entry.getValue(); | |
| 129 | 638 drawDecoration(decoration, null, annotation, clippingRegion, document); |
| 639 } | |
| 145 | 640 |
| 129 | 641 decorationsMap.clear(); |
| 145 | 642 |
| 129 | 643 highlightedDecorationsMap.clear(); |
| 644 | |
| 645 e= fModel.getAnnotationIterator(); | |
| 646 | |
| 647 | |
| 648 } else { | |
| 649 | |
| 650 // Remove annotations | |
| 651 Annotation[] removedAnnotations= event.getRemovedAnnotations(); | |
| 652 for (int i=0, length= removedAnnotations.length; i < length; i++) { | |
| 653 Annotation annotation= removedAnnotations[i]; | |
| 134 | 654 Decoration decoration= cast(Decoration)highlightedDecorationsMap.remove(annotation); |
| 129 | 655 if (decoration !is null) { |
| 656 Position position= decoration.fPosition; | |
| 657 if (position !is null) { | |
| 658 highlightAnnotationRangeStart= Math.min(highlightAnnotationRangeStart, position.offset); | |
| 659 highlightAnnotationRangeEnd= Math.max(highlightAnnotationRangeEnd, position.offset + position.length); | |
| 660 } | |
| 661 } | |
| 134 | 662 decoration= cast(Decoration)decorationsMap.remove(annotation); |
| 129 | 663 if (decoration !is null) { |
| 664 drawDecoration(decoration, null, annotation, clippingRegion, document); | |
| 665 Position position= decoration.fPosition; | |
| 666 if (position !is null) { | |
| 667 drawRangeStart= Math.min(drawRangeStart, position.offset); | |
| 668 drawRangeEnd= Math.max(drawRangeEnd, position.offset + position.length); | |
| 669 } | |
| 670 } | |
| 145 | 671 |
| 129 | 672 } |
| 673 | |
| 674 // Update existing annotations | |
| 675 Annotation[] changedAnnotations= event.getChangedAnnotations(); | |
| 676 for (int i=0, length= changedAnnotations.length; i < length; i++) { | |
| 677 Annotation annotation= changedAnnotations[i]; | |
| 678 | |
| 679 bool isHighlighting= false; | |
| 145 | 680 |
| 134 | 681 Decoration decoration= cast(Decoration)highlightedDecorationsMap.get(annotation); |
| 129 | 682 |
| 683 if (decoration !is null) { | |
| 684 isHighlighting= true; | |
| 685 // The call below updates the decoration - no need to create new decoration | |
| 686 decoration= getDecoration(annotation, decoration); | |
| 687 if (decoration is null) | |
| 688 highlightedDecorationsMap.remove(annotation); | |
| 689 } else { | |
| 690 decoration= getDecoration(annotation, decoration); | |
| 145 | 691 if (decoration !is null && cast(ITextStyleStrategy)decoration.fPaintingStrategy ) { |
| 129 | 692 highlightedDecorationsMap.put(annotation, decoration); |
| 693 isHighlighting= true; | |
| 694 } | |
| 695 } | |
| 696 | |
| 697 bool usesDrawingStrategy= !isHighlighting && decoration !is null; | |
| 698 | |
| 699 Position position= null; | |
| 700 if (decoration is null) | |
| 701 position= fModel.getPosition(annotation); | |
| 702 else | |
| 703 position= decoration.fPosition; | |
| 704 | |
| 705 if (position !is null && !position.isDeleted()) { | |
| 706 if (isHighlighting) { | |
| 707 highlightAnnotationRangeStart= Math.min(highlightAnnotationRangeStart, position.offset); | |
| 708 highlightAnnotationRangeEnd= Math.max(highlightAnnotationRangeEnd, position.offset + position.length); | |
| 709 } | |
| 710 if (usesDrawingStrategy) { | |
| 711 drawRangeStart= Math.min(drawRangeStart, position.offset); | |
| 712 drawRangeEnd= Math.max(drawRangeEnd, position.offset + position.length); | |
| 713 } | |
| 714 } else { | |
| 715 highlightedDecorationsMap.remove(annotation); | |
| 716 } | |
| 717 | |
| 718 if (usesDrawingStrategy) { | |
| 134 | 719 Decoration oldDecoration= cast(Decoration)decorationsMap.get(annotation); |
| 129 | 720 if (oldDecoration !is null) { |
| 721 drawDecoration(oldDecoration, null, annotation, clippingRegion, document); | |
| 145 | 722 |
| 129 | 723 if (decoration !is null) |
| 724 decorationsMap.put(annotation, decoration); | |
| 725 else if (oldDecoration !is null) | |
| 726 decorationsMap.remove(annotation); | |
| 727 } | |
| 728 } | |
| 729 } | |
| 730 | |
| 731 e= Arrays.asList(event.getAddedAnnotations()).iterator(); | |
| 732 } | |
| 733 | |
| 734 // Add new annotations | |
| 735 while (e.hasNext()) { | |
| 134 | 736 Annotation annotation= cast(Annotation) e.next(); |
| 129 | 737 Decoration pp= getDecoration(annotation, null); |
| 738 if (pp !is null) { | |
| 145 | 739 if (cast(IDrawingStrategy)pp.fPaintingStrategy ) { |
| 129 | 740 decorationsMap.put(annotation, pp); |
| 741 drawRangeStart= Math.min(drawRangeStart, pp.fPosition.offset); | |
| 742 drawRangeEnd= Math.max(drawRangeEnd, pp.fPosition.offset + pp.fPosition.length); | |
| 145 | 743 } else if (cast(ITextStyleStrategy)pp.fPaintingStrategy ) { |
| 129 | 744 highlightedDecorationsMap.put(annotation, pp); |
| 745 highlightAnnotationRangeStart= Math.min(highlightAnnotationRangeStart, pp.fPosition.offset); | |
| 746 highlightAnnotationRangeEnd= Math.max(highlightAnnotationRangeEnd, pp.fPosition.offset + pp.fPosition.length); | |
| 747 } | |
| 145 | 748 |
| 129 | 749 } |
| 750 } | |
| 751 | |
| 752 synchronized (fDecorationMapLock) { | |
| 753 fDecorationsMap= decorationsMap; | |
| 754 updateDrawRanges(drawRangeStart, drawRangeEnd, isWorldChange); | |
| 755 } | |
| 756 | |
| 757 synchronized (fHighlightedDecorationsMapLock) { | |
| 758 fHighlightedDecorationsMap= highlightedDecorationsMap; | |
| 759 updateHighlightRanges(highlightAnnotationRangeStart, highlightAnnotationRangeEnd, isWorldChange); | |
| 760 } | |
| 761 } else { | |
| 762 // annotation model is null -> clear all | |
| 763 synchronized (fDecorationMapLock) { | |
| 764 fDecorationsMap.clear(); | |
| 765 } | |
| 766 synchronized (fHighlightedDecorationsMapLock) { | |
| 767 fHighlightedDecorationsMap.clear(); | |
| 768 } | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 /** | |
| 773 * Updates the remembered highlight ranges. | |
| 774 * | |
| 775 * @param highlightAnnotationRangeStart the start of the range | |
| 776 * @param highlightAnnotationRangeEnd the end of the range | |
| 777 * @param isWorldChange tells whether the range belongs to a annotation model event reporting a world change | |
| 778 * @since 3.0 | |
| 779 */ | |
| 780 private void updateHighlightRanges(int highlightAnnotationRangeStart, int highlightAnnotationRangeEnd, bool isWorldChange) { | |
| 781 if (highlightAnnotationRangeStart !is Integer.MAX_VALUE) { | |
| 782 | |
| 783 int maxRangeStart= highlightAnnotationRangeStart; | |
| 784 int maxRangeEnd= highlightAnnotationRangeEnd; | |
| 785 | |
| 786 if (fTotalHighlightAnnotationRange !is null) { | |
| 787 maxRangeStart= Math.min(maxRangeStart, fTotalHighlightAnnotationRange.offset); | |
| 788 maxRangeEnd= Math.max(maxRangeEnd, fTotalHighlightAnnotationRange.offset + fTotalHighlightAnnotationRange.length); | |
| 789 } | |
| 790 | |
| 791 if (fTotalHighlightAnnotationRange is null) | |
| 792 fTotalHighlightAnnotationRange= new Position(0); | |
| 793 if (fCurrentHighlightAnnotationRange is null) | |
| 794 fCurrentHighlightAnnotationRange= new Position(0); | |
| 795 | |
| 796 if (isWorldChange) { | |
| 797 fTotalHighlightAnnotationRange.offset= highlightAnnotationRangeStart; | |
| 798 fTotalHighlightAnnotationRange.length= highlightAnnotationRangeEnd - highlightAnnotationRangeStart; | |
| 799 fCurrentHighlightAnnotationRange.offset= maxRangeStart; | |
| 800 fCurrentHighlightAnnotationRange.length= maxRangeEnd - maxRangeStart; | |
| 801 } else { | |
| 802 fTotalHighlightAnnotationRange.offset= maxRangeStart; | |
| 803 fTotalHighlightAnnotationRange.length= maxRangeEnd - maxRangeStart; | |
| 804 fCurrentHighlightAnnotationRange.offset=highlightAnnotationRangeStart; | |
| 805 fCurrentHighlightAnnotationRange.length= highlightAnnotationRangeEnd - highlightAnnotationRangeStart; | |
| 806 } | |
| 807 } else { | |
| 808 if (isWorldChange) { | |
| 809 fCurrentHighlightAnnotationRange= fTotalHighlightAnnotationRange; | |
| 810 fTotalHighlightAnnotationRange= null; | |
| 811 } else { | |
| 812 fCurrentHighlightAnnotationRange= null; | |
| 813 } | |
| 814 } | |
| 815 | |
| 816 adaptToDocumentLength(fCurrentHighlightAnnotationRange); | |
| 817 adaptToDocumentLength(fTotalHighlightAnnotationRange); | |
| 818 } | |
| 145 | 819 |
| 129 | 820 /** |
| 821 * Updates the remembered decoration ranges. | |
| 822 * | |
| 823 * @param drawRangeStart the start of the range | |
| 824 * @param drawRangeEnd the end of the range | |
| 825 * @param isWorldChange tells whether the range belongs to a annotation model event reporting a world change | |
| 826 * @since 3.3 | |
| 827 */ | |
| 828 private void updateDrawRanges(int drawRangeStart, int drawRangeEnd, bool isWorldChange) { | |
| 829 if (drawRangeStart !is Integer.MAX_VALUE) { | |
| 145 | 830 |
| 129 | 831 int maxRangeStart= drawRangeStart; |
| 832 int maxRangeEnd= drawRangeEnd; | |
| 145 | 833 |
| 129 | 834 if (fTotalDrawRange !is null) { |
| 835 maxRangeStart= Math.min(maxRangeStart, fTotalDrawRange.offset); | |
| 836 maxRangeEnd= Math.max(maxRangeEnd, fTotalDrawRange.offset + fTotalDrawRange.length); | |
| 837 } | |
| 145 | 838 |
| 129 | 839 if (fTotalDrawRange is null) |
| 840 fTotalDrawRange= new Position(0); | |
| 841 if (fCurrentDrawRange is null) | |
| 842 fCurrentDrawRange= new Position(0); | |
| 145 | 843 |
| 129 | 844 if (isWorldChange) { |
| 845 fTotalDrawRange.offset= drawRangeStart; | |
| 846 fTotalDrawRange.length= drawRangeEnd - drawRangeStart; | |
| 847 fCurrentDrawRange.offset= maxRangeStart; | |
| 848 fCurrentDrawRange.length= maxRangeEnd - maxRangeStart; | |
| 849 } else { | |
| 850 fTotalDrawRange.offset= maxRangeStart; | |
| 851 fTotalDrawRange.length= maxRangeEnd - maxRangeStart; | |
| 852 fCurrentDrawRange.offset=drawRangeStart; | |
| 853 fCurrentDrawRange.length= drawRangeEnd - drawRangeStart; | |
| 854 } | |
| 855 } else { | |
| 856 if (isWorldChange) { | |
| 857 fCurrentDrawRange= fTotalDrawRange; | |
| 858 fTotalDrawRange= null; | |
| 859 } else { | |
| 860 fCurrentDrawRange= null; | |
| 861 } | |
| 862 } | |
| 145 | 863 |
| 129 | 864 adaptToDocumentLength(fCurrentDrawRange); |
| 865 adaptToDocumentLength(fTotalDrawRange); | |
| 866 } | |
| 867 | |
| 868 /** | |
| 869 * Adapts the given position to the document length. | |
| 870 * | |
| 871 * @param position the position to adapt | |
| 872 * @since 3.0 | |
| 873 */ | |
| 874 private void adaptToDocumentLength(Position position) { | |
| 875 if (position is null) | |
| 876 return; | |
| 877 | |
| 878 int length= fSourceViewer.getDocument().getLength(); | |
| 879 position.offset= Math.min(position.offset, length); | |
| 880 position.length= Math.min(position.length, length - position.offset); | |
| 881 } | |
| 882 | |
| 883 /** | |
| 884 * Returns a decoration for the given annotation if this | |
| 885 * annotation is valid and shown by this painter. | |
| 886 * | |
| 887 * @param annotation the annotation | |
| 888 * @param decoration the decoration to be adapted and returned or <code>null</code> if a new one must be created | |
| 889 * @return the decoration or <code>null</code> if there's no valid one | |
| 890 * @since 3.0 | |
| 891 */ | |
| 892 private Decoration getDecoration(Annotation annotation, Decoration decoration) { | |
| 893 | |
| 894 if (annotation.isMarkedDeleted()) | |
| 895 return null; | |
| 896 | |
| 897 String type= annotation.getType(); | |
| 898 | |
| 899 Object paintingStrategy= getPaintingStrategy(type); | |
| 144 | 900 if (paintingStrategy is null || cast(NullStrategy)paintingStrategy ) |
| 129 | 901 return null; |
| 902 | |
| 903 Color color= getColor(type); | |
| 904 if (color is null) | |
| 905 return null; | |
| 906 | |
| 907 Position position= fModel.getPosition(annotation); | |
| 908 if (position is null || position.isDeleted()) | |
| 909 return null; | |
| 145 | 910 |
| 129 | 911 if (decoration is null) |
| 912 decoration= new Decoration(); | |
| 913 | |
| 914 decoration.fPosition= position; | |
| 915 decoration.fColor= color; | |
| 138 | 916 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) { |
| 134 | 917 IAnnotationAccessExtension extension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 918 decoration.fLayer= extension.getLayer(annotation); |
| 919 } else { | |
| 920 decoration.fLayer= IAnnotationAccessExtension.DEFAULT_LAYER; | |
| 921 } | |
| 145 | 922 |
| 129 | 923 decoration.fPaintingStrategy= paintingStrategy; |
| 145 | 924 |
| 129 | 925 return decoration; |
| 926 } | |
| 927 | |
| 928 /** | |
| 929 * Returns the painting strategy for the given annotation. | |
| 145 | 930 * |
| 129 | 931 * @param type the annotation type |
| 932 * @return the annotation painter | |
| 933 * @since 3.0 | |
| 934 */ | |
| 158 | 935 private Object getPaintingStrategy(String type) { |
| 129 | 936 Object strategy= fCachedAnnotationType2PaintingStrategy.get(type); |
| 937 if (strategy !is null) | |
| 938 return strategy; | |
| 939 | |
| 940 strategy= fPaintingStrategyId2PaintingStrategy.get(fAnnotationType2PaintingStrategyId.get(type)); | |
| 941 if (strategy !is null) { | |
| 942 fCachedAnnotationType2PaintingStrategy.put(type, strategy); | |
| 943 return strategy; | |
| 944 } | |
| 945 | |
| 138 | 946 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) { |
| 134 | 947 IAnnotationAccessExtension ext = cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 948 Object[] sts = ext.getSupertypes(type); |
| 949 for (int i= 0; i < sts.length; i++) { | |
| 950 strategy= fPaintingStrategyId2PaintingStrategy.get(fAnnotationType2PaintingStrategyId.get(sts[i])); | |
| 951 if (strategy !is null) { | |
| 952 fCachedAnnotationType2PaintingStrategy.put(type, strategy); | |
| 953 return strategy; | |
| 954 } | |
| 955 } | |
| 956 } | |
| 957 | |
| 958 fCachedAnnotationType2PaintingStrategy.put(type, NULL_STRATEGY); | |
| 959 return null; | |
| 960 | |
| 961 } | |
| 962 | |
| 963 /** | |
| 964 * Returns the color for the given annotation type | |
| 965 * | |
| 966 * @param annotationType the annotation type | |
| 967 * @return the color | |
| 968 * @since 3.0 | |
| 969 */ | |
| 158 | 970 private Color getColor(Object annotationType) { |
| 134 | 971 Color color= cast(Color)fCachedAnnotationType2Color.get(annotationType); |
| 129 | 972 if (color !is null) |
| 973 return color; | |
| 974 | |
| 134 | 975 color= cast(Color)fAnnotationType2Color.get(annotationType); |
| 129 | 976 if (color !is null) { |
| 977 fCachedAnnotationType2Color.put(annotationType, color); | |
| 978 return color; | |
| 979 } | |
| 980 | |
| 138 | 981 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) { |
| 134 | 982 IAnnotationAccessExtension extension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 983 Object[] superTypes= extension.getSupertypes(annotationType); |
| 984 if (superTypes !is null) { | |
| 985 for (int i= 0; i < superTypes.length; i++) { | |
| 134 | 986 color= cast(Color)fAnnotationType2Color.get(superTypes[i]); |
| 129 | 987 if (color !is null) { |
| 988 fCachedAnnotationType2Color.put(annotationType, color); | |
| 989 return color; | |
| 990 } | |
| 991 } | |
| 992 } | |
| 993 } | |
| 994 | |
| 995 return null; | |
| 996 } | |
| 997 | |
| 998 /** | |
| 999 * Recomputes the squiggles to be drawn and redraws them. | |
| 1000 * | |
| 1001 * @param event the annotation model event | |
| 1002 * @since 3.0 | |
| 1003 */ | |
| 1004 private void updatePainting(AnnotationModelEvent event) { | |
| 1005 disablePainting(event is null); | |
| 1006 | |
| 1007 catchupWithModel(event); | |
| 1008 | |
| 1009 if (!fInputDocumentAboutToBeChanged) | |
| 1010 invalidateTextPresentation(); | |
| 1011 | |
| 1012 enablePainting(); | |
| 1013 } | |
| 1014 | |
| 1015 private void invalidateTextPresentation() { | |
| 1016 IRegion r= null; | |
| 1017 synchronized (fHighlightedDecorationsMapLock) { | |
| 1018 if (fCurrentHighlightAnnotationRange !is null) | |
| 1019 r= new Region(fCurrentHighlightAnnotationRange.getOffset(), fCurrentHighlightAnnotationRange.getLength()); | |
| 1020 } | |
| 1021 if (r is null) | |
| 1022 return; | |
| 1023 | |
| 138 | 1024 if ( cast(ITextViewerExtension2)fSourceViewer ) { |
| 145 | 1025 if (DEBUG) |
|
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1026 System.out_.println("AP: invalidating offset: " + r.getOffset() + ", length= " + r.getLength()); //$NON-NLS-1$ //$NON-NLS-2$ |
| 129 | 1027 |
| 134 | 1028 (cast(ITextViewerExtension2)fSourceViewer).invalidateTextPresentation(r.getOffset(), r.getLength()); |
| 129 | 1029 |
| 1030 } else { | |
| 1031 fSourceViewer.invalidateTextPresentation(); | |
| 1032 } | |
| 1033 } | |
| 1034 | |
| 1035 /* | |
| 1036 * @see dwtx.jface.text.ITextPresentationListener#applyTextPresentation(dwtx.jface.text.TextPresentation) | |
| 1037 * @since 3.0 | |
| 1038 */ | |
| 1039 public void applyTextPresentation(TextPresentation tp) { | |
| 1040 Set decorations; | |
| 1041 | |
| 1042 synchronized (fHighlightedDecorationsMapLock) { | |
| 1043 if (fHighlightedDecorationsMap is null || fHighlightedDecorationsMap.isEmpty()) | |
| 1044 return; | |
| 1045 | |
| 1046 decorations= new HashSet(fHighlightedDecorationsMap.entrySet()); | |
| 1047 } | |
| 1048 | |
| 1049 IRegion region= tp.getExtent(); | |
| 1050 | |
| 145 | 1051 if (DEBUG) |
|
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changeset
|
1052 System.out_.println("AP: applying text presentation offset: " + region.getOffset() + ", length= " + region.getLength()); //$NON-NLS-1$ //$NON-NLS-2$ |
| 129 | 1053 |
| 1054 for (int layer= 0, maxLayer= 1; layer < maxLayer; layer++) { | |
| 1055 | |
| 1056 for (Iterator iter= decorations.iterator(); iter.hasNext();) { | |
|
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1057 Map.Entry entry= cast(Map.Entry)iter.next(); |
| 129 | 1058 |
| 134 | 1059 Annotation a= cast(Annotation)entry.getKey(); |
| 129 | 1060 if (a.isMarkedDeleted()) |
| 1061 continue; | |
| 1062 | |
| 134 | 1063 Decoration pp = cast(Decoration)entry.getValue(); |
| 129 | 1064 |
| 1065 maxLayer= Math.max(maxLayer, pp.fLayer + 1); // dynamically update layer maximum | |
| 1066 if (pp.fLayer !is layer) // wrong layer: skip annotation | |
| 1067 continue; | |
| 1068 | |
| 1069 Position p= pp.fPosition; | |
| 138 | 1070 if ( cast(ITextViewerExtension5)fSourceViewer ) { |
| 134 | 1071 ITextViewerExtension5 extension3= cast(ITextViewerExtension5) fSourceViewer; |
| 129 | 1072 if (null is extension3.modelRange2WidgetRange(new Region(p.getOffset(), p.getLength()))) |
| 1073 continue; | |
| 1074 } else if (!fSourceViewer.overlapsWithVisibleRegion(p.offset, p.length)) { | |
| 1075 continue; | |
| 1076 } | |
| 1077 | |
| 1078 int regionEnd= region.getOffset() + region.getLength(); | |
| 1079 int pEnd= p.getOffset() + p.getLength(); | |
| 1080 if (pEnd >= region.getOffset() && regionEnd > p.getOffset()) { | |
| 1081 int start= Math.max(p.getOffset(), region.getOffset()); | |
| 1082 int end= Math.min(regionEnd, pEnd); | |
| 1083 int length= Math.max(end - start, 0); | |
| 1084 StyleRange styleRange= new StyleRange(start, length, null, null); | |
| 134 | 1085 (cast(ITextStyleStrategy)pp.fPaintingStrategy).applyTextStyle(styleRange, pp.fColor); |
| 129 | 1086 tp.mergeStyleRange(styleRange); |
| 1087 } | |
| 1088 } | |
| 1089 } | |
| 1090 } | |
| 1091 | |
| 1092 /* | |
| 1093 * @see dwtx.jface.text.source.IAnnotationModelListener#modelChanged(dwtx.jface.text.source.IAnnotationModel) | |
| 1094 */ | |
| 158 | 1095 public synchronized void modelChanged(IAnnotationModel model) { |
| 145 | 1096 if (DEBUG) |
| 129 | 1097 System.err.println("AP: OLD API of AnnotationModelListener called"); //$NON-NLS-1$ |
| 1098 | |
| 1099 modelChanged(new AnnotationModelEvent(model)); | |
| 1100 } | |
| 1101 | |
| 1102 /* | |
| 1103 * @see dwtx.jface.text.source.IAnnotationModelListenerExtension#modelChanged(dwtx.jface.text.source.AnnotationModelEvent) | |
| 1104 */ | |
| 158 | 1105 public void modelChanged(AnnotationModelEvent event) { |
| 129 | 1106 Display textWidgetDisplay; |
| 1107 try { | |
| 1108 StyledText textWidget= fTextWidget; | |
| 1109 if (textWidget is null || textWidget.isDisposed()) | |
| 1110 return; | |
| 1111 textWidgetDisplay= textWidget.getDisplay(); | |
| 1112 } catch (DWTException ex) { | |
| 1113 if (ex.code is DWT.ERROR_WIDGET_DISPOSED) | |
| 1114 return; | |
| 1115 throw ex; | |
| 1116 } | |
| 1117 | |
| 1118 if (fIsSettingModel) { | |
| 1119 // inside the UI thread -> no need for posting | |
| 1120 if (textWidgetDisplay is Display.getCurrent()) | |
| 1121 updatePainting(event); | |
| 1122 else { | |
| 1123 /* | |
| 1124 * we can throw away the changes since | |
| 1125 * further update painting will happen | |
| 1126 */ | |
| 1127 return; | |
| 1128 } | |
| 1129 } else { | |
| 1130 if (DEBUG && event !is null && event.isWorldChange()) { | |
|
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diff
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|
1131 System.out_.println("AP: WORLD CHANGED, stack trace follows:"); //$NON-NLS-1$ |
| 145 | 1132 ExceptionPrintStackTrace( new Exception(""), Stdout ); |
| 129 | 1133 } |
| 1134 | |
| 1135 // XXX: posting here is a problem for annotations that are being | |
| 1136 // removed and the positions of which are not updated to document | |
| 1137 // changes any more. If the document gets modified between | |
| 1138 // now and running the posted runnable, the position information | |
| 1139 // is not accurate any longer. | |
| 158 | 1140 textWidgetDisplay.asyncExec( dgRunnable( (Event event_){ |
| 1141 if (fTextWidget !is null && !fTextWidget.isDisposed()) | |
| 1142 updatePainting(event_); | |
| 1143 }, event )); | |
| 129 | 1144 } |
| 1145 } | |
| 1146 | |
| 1147 /** | |
| 1148 * Sets the color in which the squiggly for the given annotation type should be drawn. | |
| 1149 * | |
| 1150 * @param annotationType the annotation type | |
| 1151 * @param color the color | |
| 1152 */ | |
| 1153 public void setAnnotationTypeColor(Object annotationType, Color color) { | |
| 1154 if (color !is null) | |
| 1155 fAnnotationType2Color.put(annotationType, color); | |
| 1156 else | |
| 1157 fAnnotationType2Color.remove(annotationType); | |
| 1158 fCachedAnnotationType2Color.clear(); | |
| 1159 } | |
| 1160 | |
| 1161 /** | |
| 1162 * Adds the given annotation type to the list of annotation types whose | |
| 1163 * annotations should be painted by this painter using squiggly drawing. If the annotation type | |
| 1164 * is already in this list, this method is without effect. | |
| 1165 * | |
| 1166 * @param annotationType the annotation type | |
| 1167 */ | |
| 1168 public void addAnnotationType(Object annotationType) { | |
| 1169 addAnnotationType(annotationType, SQUIGGLES); | |
| 1170 } | |
| 1171 | |
| 1172 /** | |
| 1173 * Adds the given annotation type to the list of annotation types whose | |
| 1174 * annotations should be painted by this painter using the given drawing strategy. | |
| 1175 * If the annotation type is already in this list, the old drawing strategy gets replaced. | |
| 1176 * | |
| 1177 * @param annotationType the annotation type | |
| 1178 * @param drawingStrategyID the id of the drawing strategy that should be used for this annotation type | |
| 1179 * @since 3.0 | |
| 1180 */ | |
| 1181 public void addAnnotationType(Object annotationType, Object drawingStrategyID) { | |
| 1182 fAnnotationType2PaintingStrategyId.put(annotationType, drawingStrategyID); | |
| 1183 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1184 | |
| 1185 if (fTextInputListener is null) { | |
| 135 | 1186 fTextInputListener= new class() ITextInputListener { |
| 129 | 1187 |
| 1188 /* | |
| 1189 * @see dwtx.jface.text.ITextInputListener#inputDocumentAboutToBeChanged(dwtx.jface.text.IDocument, dwtx.jface.text.IDocument) | |
| 1190 */ | |
| 1191 public void inputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) { | |
| 1192 fInputDocumentAboutToBeChanged= true; | |
| 1193 } | |
| 1194 | |
| 1195 /* | |
| 1196 * @see dwtx.jface.text.ITextInputListener#inputDocumentChanged(dwtx.jface.text.IDocument, dwtx.jface.text.IDocument) | |
| 1197 */ | |
| 1198 public void inputDocumentChanged(IDocument oldInput, IDocument newInput) { | |
| 1199 fInputDocumentAboutToBeChanged= false; | |
| 1200 } | |
| 1201 }; | |
| 1202 fSourceViewer.addTextInputListener(fTextInputListener); | |
| 1203 } | |
| 145 | 1204 |
| 129 | 1205 } |
| 1206 | |
| 1207 /** | |
| 1208 * Registers a new drawing strategy under the given ID. If there is already a | |
| 1209 * strategy registered under <code>id</code>, the old strategy gets replaced. | |
| 1210 * <p>The given id can be referenced when adding annotation types, see | |
| 1211 * {@link #addAnnotationType(Object, Object)}.</p> | |
| 1212 * | |
| 1213 * @param id the identifier under which the strategy can be referenced, not <code>null</code> | |
| 1214 * @param strategy the new strategy | |
| 1215 * @since 3.0 | |
| 1216 */ | |
| 1217 public void addDrawingStrategy(Object id, IDrawingStrategy strategy) { | |
| 1218 // don't permit null as null is used to signal that an annotation type is not | |
| 1219 // registered with a specific strategy, and that its annotation hierarchy should be searched | |
| 1220 if (id is null) | |
| 1221 throw new IllegalArgumentException(); | |
| 1222 fPaintingStrategyId2PaintingStrategy.put(id, strategy); | |
| 1223 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1224 } | |
| 1225 | |
| 1226 /** | |
| 1227 * Registers a new drawing strategy under the given ID. If there is already | |
| 1228 * a strategy registered under <code>id</code>, the old strategy gets | |
| 1229 * replaced. | |
| 1230 * <p> | |
| 1231 * The given id can be referenced when adding annotation types, see | |
| 1232 * {@link #addAnnotationType(Object, Object)}. | |
| 1233 * </p> | |
| 145 | 1234 * |
| 129 | 1235 * @param id the identifier under which the strategy can be referenced, not <code>null</code> |
| 1236 * @param strategy the new strategy | |
| 1237 * @since 3.4 | |
| 1238 */ | |
| 1239 public void addTextStyleStrategy(Object id, ITextStyleStrategy strategy) { | |
| 1240 // don't permit null as null is used to signal that an annotation type is not | |
| 1241 // registered with a specific strategy, and that its annotation hierarchy should be searched | |
| 1242 if (id is null) | |
| 1243 throw new IllegalArgumentException(); | |
| 1244 fPaintingStrategyId2PaintingStrategy.put(id, strategy); | |
| 1245 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1246 } | |
| 1247 | |
| 1248 /** | |
| 1249 * Adds the given annotation type to the list of annotation types whose | |
| 1250 * annotations should be highlighted this painter. If the annotation type | |
| 1251 * is already in this list, this method is without effect. | |
| 1252 * | |
| 1253 * @param annotationType the annotation type | |
| 1254 * @since 3.0 | |
| 1255 */ | |
| 1256 public void addHighlightAnnotationType(Object annotationType) { | |
| 1257 addAnnotationType(annotationType, HIGHLIGHTING); | |
| 1258 } | |
| 1259 | |
| 1260 /** | |
| 1261 * Removes the given annotation type from the list of annotation types whose | |
| 1262 * annotations are painted by this painter. If the annotation type is not | |
| 1263 * in this list, this method is without effect. | |
| 1264 * | |
| 1265 * @param annotationType the annotation type | |
| 1266 */ | |
| 1267 public void removeAnnotationType(Object annotationType) { | |
| 1268 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1269 fAnnotationType2PaintingStrategyId.remove(annotationType); | |
| 1270 if (fAnnotationType2PaintingStrategyId.isEmpty() && fTextInputListener !is null) { | |
| 1271 fSourceViewer.removeTextInputListener(fTextInputListener); | |
| 1272 fTextInputListener= null; | |
| 1273 fInputDocumentAboutToBeChanged= false; | |
| 1274 } | |
| 1275 } | |
| 1276 | |
| 1277 /** | |
| 1278 * Removes the given annotation type from the list of annotation types whose | |
| 1279 * annotations are highlighted by this painter. If the annotation type is not | |
| 1280 * in this list, this method is without effect. | |
| 1281 * | |
| 1282 * @param annotationType the annotation type | |
| 1283 * @since 3.0 | |
| 1284 */ | |
| 1285 public void removeHighlightAnnotationType(Object annotationType) { | |
| 1286 removeAnnotationType(annotationType); | |
| 1287 } | |
| 1288 | |
| 1289 /** | |
| 1290 * Clears the list of annotation types whose annotations are | |
| 1291 * painted by this painter. | |
| 1292 */ | |
| 1293 public void removeAllAnnotationTypes() { | |
| 1294 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1295 fAnnotationType2PaintingStrategyId.clear(); | |
| 1296 if (fTextInputListener !is null) { | |
| 1297 fSourceViewer.removeTextInputListener(fTextInputListener); | |
| 1298 fTextInputListener= null; | |
| 1299 } | |
| 1300 } | |
| 1301 | |
| 1302 /** | |
| 1303 * Returns whether the list of annotation types whose annotations are painted | |
| 1304 * by this painter contains at least on element. | |
| 1305 * | |
| 1306 * @return <code>true</code> if there is an annotation type whose annotations are painted | |
| 1307 */ | |
| 1308 public bool isPaintingAnnotations() { | |
| 1309 return !fAnnotationType2PaintingStrategyId.isEmpty(); | |
| 1310 } | |
| 1311 | |
| 1312 /* | |
| 1313 * @see dwtx.jface.text.IPainter#dispose() | |
| 1314 */ | |
| 1315 public void dispose() { | |
| 1316 | |
| 1317 if (fAnnotationType2Color !is null) { | |
| 1318 fAnnotationType2Color.clear(); | |
| 1319 fAnnotationType2Color= null; | |
| 1320 } | |
| 1321 | |
| 1322 if (fCachedAnnotationType2Color !is null) { | |
| 1323 fCachedAnnotationType2Color.clear(); | |
| 1324 fCachedAnnotationType2Color= null; | |
| 1325 } | |
| 1326 | |
| 1327 if (fCachedAnnotationType2PaintingStrategy !is null) { | |
| 1328 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1329 fCachedAnnotationType2PaintingStrategy= null; | |
| 1330 } | |
| 145 | 1331 |
| 129 | 1332 if (fAnnotationType2PaintingStrategyId !is null) { |
| 1333 fAnnotationType2PaintingStrategyId.clear(); | |
| 1334 fAnnotationType2PaintingStrategyId= null; | |
| 1335 } | |
| 145 | 1336 |
| 129 | 1337 fTextWidget= null; |
| 1338 fSourceViewer= null; | |
| 1339 fAnnotationAccess= null; | |
| 1340 fModel= null; | |
| 1341 synchronized (fDecorationMapLock) { | |
| 1342 fDecorationsMap= null; | |
| 1343 } | |
| 1344 synchronized (fHighlightedDecorationsMapLock) { | |
| 1345 fHighlightedDecorationsMap= null; | |
| 1346 } | |
| 1347 } | |
| 1348 | |
| 1349 /** | |
| 1350 * Returns the document offset of the upper left corner of the source viewer's view port, | |
| 1351 * possibly including partially visible lines. | |
| 1352 * | |
| 1353 * @return the document offset if the upper left corner of the view port | |
| 1354 */ | |
| 1355 private int getInclusiveTopIndexStartOffset() { | |
| 1356 | |
| 1357 if (fTextWidget !is null && !fTextWidget.isDisposed()) { | |
| 1358 int top= JFaceTextUtil.getPartialTopIndex(fSourceViewer); | |
| 1359 try { | |
| 1360 IDocument document= fSourceViewer.getDocument(); | |
| 1361 return document.getLineOffset(top); | |
| 1362 } catch (BadLocationException x) { | |
| 1363 } | |
| 1364 } | |
| 1365 | |
| 1366 return -1; | |
| 1367 } | |
| 1368 | |
| 1369 /** | |
| 1370 * Returns the first invisible document offset of the lower right corner of the source viewer's view port, | |
| 1371 * possibly including partially visible lines. | |
| 1372 * | |
| 1373 * @return the first invisible document offset of the lower right corner of the view port | |
| 1374 */ | |
| 1375 private int getExclusiveBottomIndexEndOffset() { | |
| 1376 | |
| 1377 if (fTextWidget !is null && !fTextWidget.isDisposed()) { | |
| 1378 int bottom= JFaceTextUtil.getPartialBottomIndex(fSourceViewer); | |
| 1379 try { | |
| 1380 IDocument document= fSourceViewer.getDocument(); | |
| 1381 | |
| 1382 if (bottom >= document.getNumberOfLines()) | |
| 1383 bottom= document.getNumberOfLines() - 1; | |
| 1384 | |
| 1385 return document.getLineOffset(bottom) + document.getLineLength(bottom); | |
| 1386 } catch (BadLocationException x) { | |
| 1387 } | |
| 1388 } | |
| 1389 | |
| 1390 return -1; | |
| 1391 } | |
| 1392 | |
| 1393 /* | |
| 1394 * @see dwt.events.PaintListener#paintControl(dwt.events.PaintEvent) | |
| 1395 */ | |
| 1396 public void paintControl(PaintEvent event) { | |
| 1397 if (fTextWidget !is null) | |
| 1398 handleDrawRequest(event); | |
| 1399 } | |
| 1400 | |
| 1401 /** | |
| 1402 * Handles the request to draw the annotations using the given graphical context. | |
| 1403 * | |
| 1404 * @param event the paint event or <code>null</code> | |
| 1405 */ | |
| 1406 private void handleDrawRequest(PaintEvent event) { | |
| 1407 | |
| 1408 if (fTextWidget is null) { | |
| 1409 // is already disposed | |
| 1410 return; | |
| 1411 } | |
| 1412 | |
| 1413 IRegion clippingRegion= computeClippingRegion(event, false); | |
| 1414 if (clippingRegion is null) | |
| 1415 return; | |
| 145 | 1416 |
| 129 | 1417 int vOffset= clippingRegion.getOffset(); |
| 1418 int vLength= clippingRegion.getLength(); | |
| 145 | 1419 |
| 129 | 1420 final GC gc= event !is null ? event.gc : null; |
| 1421 | |
| 1422 // Clone decorations | |
| 1423 Collection decorations; | |
| 1424 synchronized (fDecorationMapLock) { | |
| 1425 decorations= new ArrayList(fDecorationsMap.size()); | |
| 1426 decorations.addAll(fDecorationsMap.entrySet()); | |
| 1427 } | |
| 1428 | |
| 1429 /* | |
| 1430 * Create a new list of annotations to be drawn, since removing from decorations is more | |
| 1431 * expensive. One bucket per drawing layer. Use linked lists as addition is cheap here. | |
| 1432 */ | |
| 1433 ArrayList toBeDrawn= new ArrayList(10); | |
| 1434 for (Iterator e = decorations.iterator(); e.hasNext();) { | |
|
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1435 Map.Entry entry= cast(Map.Entry)e.next(); |
| 145 | 1436 |
| 134 | 1437 Annotation a= cast(Annotation)entry.getKey(); |
| 1438 Decoration pp = cast(Decoration)entry.getValue(); | |
| 129 | 1439 // prune any annotation that is not drawable or does not need drawing |
| 1440 if (!(a.isMarkedDeleted() || skip(a) || !pp.fPosition.overlapsWith(vOffset, vLength))) { | |
| 1441 // ensure sized appropriately | |
| 1442 for (int i= toBeDrawn.size(); i <= pp.fLayer; i++) | |
| 1443 toBeDrawn.add(new LinkedList()); | |
| 134 | 1444 (cast(List) toBeDrawn.get(pp.fLayer)).add(entry); |
| 129 | 1445 } |
| 1446 } | |
| 1447 IDocument document= fSourceViewer.getDocument(); | |
| 1448 for (Iterator it= toBeDrawn.iterator(); it.hasNext();) { | |
| 134 | 1449 List layer= cast(List) it.next(); |
| 129 | 1450 for (Iterator e = layer.iterator(); e.hasNext();) { |
|
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1451 Map.Entry entry= cast(Map.Entry)e.next(); |
| 134 | 1452 Annotation a= cast(Annotation)entry.getKey(); |
| 1453 Decoration pp = cast(Decoration)entry.getValue(); | |
| 129 | 1454 drawDecoration(pp, gc, a, clippingRegion, document); |
| 1455 } | |
| 1456 } | |
| 1457 } | |
| 145 | 1458 |
| 129 | 1459 private void drawDecoration(Decoration pp, GC gc, Annotation annotation, IRegion clippingRegion, IDocument document) { |
| 1460 if (clippingRegion is null) | |
| 1461 return; | |
| 1462 | |
| 145 | 1463 if (!(cast(IDrawingStrategy)pp.fPaintingStrategy )) |
| 129 | 1464 return; |
| 1465 | |
| 134 | 1466 IDrawingStrategy drawingStrategy= cast(IDrawingStrategy)pp.fPaintingStrategy; |
| 129 | 1467 |
| 1468 int clippingOffset= clippingRegion.getOffset(); | |
| 1469 int clippingLength= clippingRegion.getLength(); | |
| 1470 | |
| 1471 Position p= pp.fPosition; | |
| 1472 try { | |
| 1473 | |
| 1474 int startLine= document.getLineOfOffset(p.getOffset()); | |
| 1475 int lastInclusive= Math.max(p.getOffset(), p.getOffset() + p.getLength() - 1); | |
| 1476 int endLine= document.getLineOfOffset(lastInclusive); | |
| 1477 | |
| 1478 for (int i= startLine; i <= endLine; i++) { | |
| 1479 int lineOffset= document.getLineOffset(i); | |
| 1480 int paintStart= Math.max(lineOffset, p.getOffset()); | |
| 1481 String lineDelimiter= document.getLineDelimiter(i); | |
| 1482 int delimiterLength= lineDelimiter !is null ? lineDelimiter.length() : 0; | |
| 1483 int paintLength= Math.min(lineOffset + document.getLineLength(i) - delimiterLength, p.getOffset() + p.getLength()) - paintStart; | |
| 1484 if (paintLength >= 0 && overlapsWith(paintStart, paintLength, clippingOffset, clippingLength)) { | |
| 1485 // otherwise inside a line delimiter | |
| 1486 IRegion widgetRange= getWidgetRange(paintStart, paintLength); | |
| 1487 if (widgetRange !is null) { | |
| 1488 drawingStrategy.draw(annotation, gc, fTextWidget, widgetRange.getOffset(), widgetRange.getLength(), pp.fColor); | |
| 1489 } | |
| 1490 } | |
| 1491 } | |
| 1492 | |
| 1493 } catch (BadLocationException x) { | |
| 1494 } | |
| 1495 } | |
| 145 | 1496 |
| 129 | 1497 /** |
| 1498 * Computes the model (document) region that is covered by the paint event's clipping region. If | |
| 1499 * <code>event</code> is <code>null</code>, the model range covered by the visible editor | |
| 1500 * area (viewport) is returned. | |
| 145 | 1501 * |
| 129 | 1502 * @param event the paint event or <code>null</code> to use the entire viewport |
| 1503 * @param isClearing tells whether the clipping is need for clearing an annotation | |
| 1504 * @return the model region comprised by either the paint event's clipping region or the | |
| 1505 * viewport | |
| 1506 * @since 3.2 | |
| 1507 */ | |
| 1508 private IRegion computeClippingRegion(PaintEvent event, bool isClearing) { | |
| 1509 if (event is null) { | |
| 145 | 1510 |
| 129 | 1511 if (!isClearing && fCurrentDrawRange !is null) |
| 1512 return new Region(fCurrentDrawRange.offset, fCurrentDrawRange.length); | |
| 145 | 1513 |
| 129 | 1514 // trigger a repaint of the entire viewport |
| 1515 int vOffset= getInclusiveTopIndexStartOffset(); | |
| 1516 if (vOffset is -1) | |
| 1517 return null; | |
| 145 | 1518 |
| 129 | 1519 // http://bugs.eclipse.org/bugs/show_bug.cgi?id=17147 |
| 1520 int vLength= getExclusiveBottomIndexEndOffset() - vOffset; | |
| 145 | 1521 |
| 129 | 1522 return new Region(vOffset, vLength); |
| 1523 } | |
| 145 | 1524 |
| 129 | 1525 int widgetOffset; |
| 1526 try { | |
| 1527 int widgetClippingStartOffset= fTextWidget.getOffsetAtLocation(new Point(0, event.y)); | |
| 1528 int firstWidgetLine= fTextWidget.getLineAtOffset(widgetClippingStartOffset); | |
| 1529 widgetOffset= fTextWidget.getOffsetAtLine(firstWidgetLine); | |
| 1530 } catch (IllegalArgumentException ex1) { | |
| 1531 try { | |
| 1532 int firstVisibleLine= JFaceTextUtil.getPartialTopIndex(fTextWidget); | |
| 1533 widgetOffset= fTextWidget.getOffsetAtLine(firstVisibleLine); | |
| 1534 } catch (IllegalArgumentException ex2) { // above try code might fail too | |
| 1535 widgetOffset= 0; | |
| 1536 } | |
| 1537 } | |
| 145 | 1538 |
| 129 | 1539 int widgetEndOffset; |
| 1540 try { | |
| 1541 int widgetClippingEndOffset= fTextWidget.getOffsetAtLocation(new Point(0, event.y + event.height)); | |
| 1542 int lastWidgetLine= fTextWidget.getLineAtOffset(widgetClippingEndOffset); | |
| 1543 widgetEndOffset= fTextWidget.getOffsetAtLine(lastWidgetLine + 1); | |
| 1544 } catch (IllegalArgumentException ex1) { | |
| 1545 // happens if the editor is not "full", e.g. the last line of the document is visible in the editor | |
| 1546 try { | |
| 1547 int lastVisibleLine= JFaceTextUtil.getPartialBottomIndex(fTextWidget); | |
| 1548 if (lastVisibleLine is fTextWidget.getLineCount() - 1) | |
| 1549 // last line | |
| 1550 widgetEndOffset= fTextWidget.getCharCount(); | |
| 1551 else | |
| 1552 widgetEndOffset= fTextWidget.getOffsetAtLine(lastVisibleLine + 1) - 1; | |
| 1553 } catch (IllegalArgumentException ex2) { // above try code might fail too | |
| 1554 widgetEndOffset= fTextWidget.getCharCount(); | |
| 1555 } | |
| 1556 } | |
| 145 | 1557 |
| 129 | 1558 IRegion clippingRegion= getModelRange(widgetOffset, widgetEndOffset - widgetOffset); |
| 145 | 1559 |
| 129 | 1560 return clippingRegion; |
| 1561 } | |
| 1562 | |
| 1563 /** | |
| 1564 * Should the given annotation be skipped when handling draw requests? | |
| 1565 * | |
| 1566 * @param annotation the annotation | |
| 1567 * @return <code>true</code> iff the given annotation should be | |
| 1568 * skipped when handling draw requests | |
| 1569 * @since 3.0 | |
| 1570 */ | |
| 1571 protected bool skip(Annotation annotation) { | |
| 1572 return false; | |
| 1573 } | |
| 1574 | |
| 1575 /** | |
| 1576 * Returns the widget region that corresponds to the | |
| 1577 * given offset and length in the viewer's document. | |
| 145 | 1578 * |
| 129 | 1579 * @param modelOffset the model offset |
| 1580 * @param modelLength the model length | |
| 1581 * @return the corresponding widget region | |
| 1582 */ | |
| 1583 private IRegion getWidgetRange(int modelOffset, int modelLength) { | |
| 1584 fReusableRegion.setOffset(modelOffset); | |
| 1585 fReusableRegion.setLength(modelLength); | |
| 1586 | |
| 1587 if (fReusableRegion is null || fReusableRegion.getOffset() is Integer.MAX_VALUE) | |
| 1588 return null; | |
| 1589 | |
| 138 | 1590 if ( cast(ITextViewerExtension5)fSourceViewer ) { |
| 134 | 1591 ITextViewerExtension5 extension= cast(ITextViewerExtension5) fSourceViewer; |
| 129 | 1592 return extension.modelRange2WidgetRange(fReusableRegion); |
| 1593 } | |
| 1594 | |
| 1595 IRegion region= fSourceViewer.getVisibleRegion(); | |
| 1596 int offset= region.getOffset(); | |
| 1597 int length= region.getLength(); | |
| 1598 | |
| 1599 if (overlapsWith(fReusableRegion, region)) { | |
| 1600 int p1= Math.max(offset, fReusableRegion.getOffset()); | |
| 1601 int p2= Math.min(offset + length, fReusableRegion.getOffset() + fReusableRegion.getLength()); | |
| 1602 return new Region(p1 - offset, p2 - p1); | |
| 1603 } | |
| 1604 return null; | |
| 1605 } | |
| 1606 | |
| 1607 /** | |
| 1608 * Returns the model region that corresponds to the given region in the | |
| 1609 * viewer's text widget. | |
| 1610 * | |
| 1611 * @param offset the offset in the viewer's widget | |
| 1612 * @param length the length in the viewer's widget | |
| 1613 * @return the corresponding document region | |
| 1614 * @since 3.2 | |
| 1615 */ | |
| 1616 private IRegion getModelRange(int offset, int length) { | |
| 1617 if (offset is Integer.MAX_VALUE) | |
| 1618 return null; | |
| 1619 | |
| 138 | 1620 if ( cast(ITextViewerExtension5)fSourceViewer ) { |
| 134 | 1621 ITextViewerExtension5 extension= cast(ITextViewerExtension5) fSourceViewer; |
| 129 | 1622 return extension.widgetRange2ModelRange(new Region(offset, length)); |
| 1623 } | |
| 145 | 1624 |
| 129 | 1625 IRegion region= fSourceViewer.getVisibleRegion(); |
| 1626 return new Region(region.getOffset() + offset, length); | |
| 1627 } | |
| 145 | 1628 |
| 129 | 1629 /** |
| 1630 * Checks whether the intersection of the given text ranges | |
| 1631 * is empty or not. | |
| 1632 * | |
| 1633 * @param range1 the first range to check | |
| 1634 * @param range2 the second range to check | |
| 1635 * @return <code>true</code> if intersection is not empty | |
| 1636 */ | |
| 1637 private bool overlapsWith(IRegion range1, IRegion range2) { | |
| 1638 return overlapsWith(range1.getOffset(), range1.getLength(), range2.getOffset(), range2.getLength()); | |
| 1639 } | |
| 1640 | |
| 1641 /** | |
| 1642 * Checks whether the intersection of the given text ranges | |
| 1643 * is empty or not. | |
| 1644 * | |
| 1645 * @param offset1 offset of the first range | |
| 1646 * @param length1 length of the first range | |
| 1647 * @param offset2 offset of the second range | |
| 1648 * @param length2 length of the second range | |
| 1649 * @return <code>true</code> if intersection is not empty | |
| 1650 */ | |
| 1651 private bool overlapsWith(int offset1, int length1, int offset2, int length2) { | |
| 1652 int end= offset2 + length2; | |
| 1653 int thisEnd= offset1 + length1; | |
| 1654 | |
| 1655 if (length2 > 0) { | |
| 1656 if (length1 > 0) | |
| 1657 return offset1 < end && offset2 < thisEnd; | |
| 1658 return offset2 <= offset1 && offset1 < end; | |
| 1659 } | |
| 1660 | |
| 1661 if (length1 > 0) | |
| 1662 return offset1 <= offset2 && offset2 < thisEnd; | |
| 1663 return offset1 is offset2; | |
| 1664 } | |
| 1665 | |
| 1666 /* | |
| 1667 * @see dwtx.jface.text.IPainter#deactivate(bool) | |
| 1668 */ | |
| 1669 public void deactivate(bool redraw) { | |
| 1670 if (fIsActive) { | |
| 1671 fIsActive= false; | |
| 1672 disablePainting(redraw); | |
| 1673 setModel(null); | |
| 1674 catchupWithModel(null); | |
| 1675 } | |
| 1676 } | |
| 1677 | |
| 1678 /** | |
| 1679 * Returns whether the given reason causes a repaint. | |
| 1680 * | |
| 1681 * @param reason the reason | |
| 1682 * @return <code>true</code> if repaint reason, <code>false</code> otherwise | |
| 1683 * @since 3.0 | |
| 1684 */ | |
| 1685 protected bool isRepaintReason(int reason) { | |
| 1686 return CONFIGURATION is reason || INTERNAL is reason; | |
| 1687 } | |
| 1688 | |
| 1689 /** | |
| 1690 * Retrieves the annotation model from the given source viewer. | |
| 1691 * | |
| 1692 * @param sourceViewer the source viewer | |
| 1693 * @return the source viewer's annotation model or <code>null</code> if none can be found | |
| 1694 * @since 3.0 | |
| 1695 */ | |
| 1696 protected IAnnotationModel findAnnotationModel(ISourceViewer sourceViewer) { | |
| 1697 if(sourceViewer !is null) | |
| 1698 return sourceViewer.getAnnotationModel(); | |
| 1699 return null; | |
| 1700 } | |
| 1701 | |
| 1702 /* | |
| 1703 * @see dwtx.jface.text.IPainter#paint(int) | |
| 1704 */ | |
| 1705 public void paint(int reason) { | |
| 1706 if (fSourceViewer.getDocument() is null) { | |
| 1707 deactivate(false); | |
| 1708 return; | |
| 1709 } | |
| 1710 | |
| 1711 if (!fIsActive) { | |
| 1712 IAnnotationModel model= findAnnotationModel(fSourceViewer); | |
| 1713 if (model !is null) { | |
| 1714 fIsActive= true; | |
| 1715 setModel(model); | |
| 1716 } | |
| 1717 } else if (isRepaintReason(reason)) | |
| 1718 updatePainting(null); | |
| 1719 } | |
| 1720 | |
| 1721 /* | |
| 1722 * @see dwtx.jface.text.IPainter#setPositionManager(dwtx.jface.text.IPaintPositionManager) | |
| 1723 */ | |
| 1724 public void setPositionManager(IPaintPositionManager manager) { | |
| 1725 } | |
| 1726 } |