Mercurial > projects > dwt-addons
annotate dwtx/jface/text/source/AnnotationPainter.d @ 145:02cd5f1224d3
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| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 22:31:00 +0200 |
| parents | 16a71f577815 |
| children | 000f9136b8f7 |
| 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 | |
| 81 import java.util.ArrayList; | |
| 82 import java.util.Arrays; | |
| 83 import java.util.Collection; | |
| 84 import java.util.HashMap; | |
| 85 import java.util.HashSet; | |
| 86 import java.util.Iterator; | |
| 87 import java.util.LinkedList; | |
| 88 import java.util.List; | |
| 89 import java.util.Map; | |
| 90 import java.util.Set; | |
| 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 * Paints decorations for annotations provided by an annotation model and/or | |
| 123 * highlights them in the associated source viewer. | |
| 124 * <p> | |
| 125 * The annotation painter can be configured with drawing strategies. A drawing | |
| 126 * strategy defines the visual presentation of a particular type of annotation | |
| 127 * decoration.</p> | |
| 128 * <p> | |
| 129 * Clients usually instantiate and configure objects of this class.</p> | |
| 130 * | |
| 131 * @since 2.1 | |
| 132 */ | |
| 133 public class AnnotationPainter : IPainter, PaintListener, IAnnotationModelListener, IAnnotationModelListenerExtension, ITextPresentationListener { | |
| 134 | |
| 135 | |
| 136 /** | |
| 137 * A drawing strategy draws the decoration for an annotation onto the text widget. | |
| 138 * | |
| 139 * @since 3.0 | |
| 140 */ | |
| 141 public interface IDrawingStrategy { | |
| 142 /** | |
| 143 * Draws a decoration for an annotation onto the specified GC at the given text range. There | |
| 144 * are two different invocation modes of the <code>draw</code> method: | |
| 145 * <ul> | |
| 146 * <li><strong>drawing mode:</strong> the passed GC is the graphics context of a paint | |
| 147 * event occurring on the text widget. The strategy should draw the decoration onto the | |
| 148 * graphics context, such that the decoration appears at the given range in the text | |
| 149 * widget.</li> | |
| 150 * <li><strong>clearing mode:</strong> the passed GC is <code>null</code>. In this case | |
| 151 * the strategy must invalidate enough of the text widget's client area to cover any | |
| 152 * decoration drawn in drawing mode. This can usually be accomplished by calling | |
| 153 * {@linkplain StyledText#redrawRange(int, int, bool) textWidget.redrawRange(offset, length, true)}.</li> | |
| 154 * </ul> | |
| 145 | 155 * |
| 129 | 156 * @param annotation the annotation to be drawn |
| 157 * @param gc the graphics context, <code>null</code> when in clearing mode | |
| 158 * @param textWidget the text widget to draw on | |
| 159 * @param offset the offset of the line | |
| 160 * @param length the length of the line | |
| 161 * @param color the color of the line | |
| 162 */ | |
| 163 void draw(Annotation annotation, GC gc, StyledText textWidget, int offset, int length, Color color); | |
| 164 } | |
| 165 | |
| 166 /** | |
| 167 * Squiggles drawing strategy. | |
| 145 | 168 * |
| 129 | 169 * @since 3.0 |
| 170 * @deprecated As of 3.4, replaced by {@link AnnotationPainter.UnderlineStrategy} | |
| 171 */ | |
| 172 public static class SquigglesStrategy : IDrawingStrategy { | |
| 173 | |
| 174 /* | |
| 175 * @see dwtx.jface.text.source.AnnotationPainter.IDrawingStrategy#draw(dwtx.jface.text.source.Annotation, dwt.graphics.GC, dwt.custom.StyledText, int, int, dwt.graphics.Color) | |
| 176 * @since 3.0 | |
| 177 */ | |
| 178 public void draw(Annotation annotation, GC gc, StyledText textWidget, int offset, int length, Color color) { | |
| 179 if (gc !is null) { | |
| 180 | |
| 181 if (length < 1) | |
| 182 return; | |
| 183 | |
| 184 Point left= textWidget.getLocationAtOffset(offset); | |
| 185 Point right= textWidget.getLocationAtOffset(offset + length); | |
| 186 Rectangle rect= textWidget.getTextBounds(offset, offset + length - 1); | |
| 187 left.x= rect.x; | |
| 188 right.x= rect.x + rect.width; | |
| 189 | |
| 190 int[] polyline= computePolyline(left, right, textWidget.getBaseline(offset), textWidget.getLineHeight(offset)); | |
| 145 | 191 |
| 129 | 192 gc.setLineWidth(0); // NOTE: 0 means width is 1 but with optimized performance |
| 193 gc.setLineStyle(DWT.LINE_SOLID); | |
| 194 gc.setForeground(color); | |
| 195 gc.drawPolyline(polyline); | |
| 196 | |
| 197 } else { | |
| 198 textWidget.redrawRange(offset, length, true); | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 /** | |
| 203 * Computes an array of alternating x and y values which are the corners of the squiggly line of the | |
| 204 * given height between the given end points. | |
| 205 * | |
| 206 * @param left the left end point | |
| 207 * @param right the right end point | |
| 208 * @param baseline the font's baseline | |
| 209 * @param lineHeight the height of the line | |
| 210 * @return the array of alternating x and y values which are the corners of the squiggly line | |
| 211 */ | |
| 212 private int[] computePolyline(Point left, Point right, int baseline, int lineHeight) { | |
| 213 | |
| 214 final int WIDTH= 4; // must be even | |
| 215 final int HEIGHT= 2; // can be any number | |
| 216 | |
| 217 int peaks= (right.x - left.x) / WIDTH; | |
| 218 if (peaks is 0 && right.x - left.x > 2) | |
| 219 peaks= 1; | |
| 220 | |
| 221 int leftX= left.x; | |
| 222 | |
| 223 // compute (number of point) * 2 | |
| 224 int length= ((2 * peaks) + 1) * 2; | |
| 225 if (length < 0) | |
| 226 return new int[0]; | |
| 227 | |
| 228 int[] coordinates= new int[length]; | |
| 229 | |
| 230 // cache peeks' y-coordinates | |
| 231 int top= left.y + Math.min(baseline + 1, lineHeight - HEIGHT - 1); | |
| 232 int bottom= top + HEIGHT; | |
| 233 | |
| 234 // populate array with peek coordinates | |
| 235 for (int i= 0; i < peaks; i++) { | |
| 236 int index= 4 * i; | |
| 237 coordinates[index]= leftX + (WIDTH * i); | |
| 238 coordinates[index+1]= bottom; | |
| 239 coordinates[index+2]= coordinates[index] + WIDTH/2; | |
| 240 coordinates[index+3]= top; | |
| 241 } | |
| 242 | |
| 243 // the last down flank is missing | |
| 244 coordinates[length-2]= Math.min(Math.max(0, right.x - 1), left.x + (WIDTH * peaks)); | |
| 245 coordinates[length-1]= bottom; | |
| 246 | |
| 247 return coordinates; | |
| 248 } | |
| 249 } | |
| 250 | |
| 251 /** | |
| 252 * Drawing strategy that does nothing. | |
| 253 * | |
| 254 * @since 3.0 | |
| 255 */ | |
| 256 public static final class NullStrategy : IDrawingStrategy { | |
| 257 | |
| 258 /* | |
| 259 * @see dwtx.jface.text.source.AnnotationPainter.IDrawingStrategy#draw(dwtx.jface.text.source.Annotation, dwt.graphics.GC, dwt.custom.StyledText, int, int, dwt.graphics.Color) | |
| 260 * @since 3.0 | |
| 261 */ | |
| 262 public void draw(Annotation annotation, GC gc, StyledText textWidget, int offset, int length, Color color) { | |
| 263 // do nothing | |
| 264 } | |
| 265 } | |
| 145 | 266 |
| 267 | |
| 129 | 268 /** |
| 269 * A text style painting strategy draws the decoration for an annotation | |
| 270 * onto the text widget by applying a {@link TextStyle} on a given | |
| 271 * {@link StyleRange}. | |
| 145 | 272 * |
| 129 | 273 * @since 3.4 |
| 274 */ | |
| 275 public interface ITextStyleStrategy { | |
| 276 | |
| 277 /** | |
| 278 * Applies a text style on the given <code>StyleRange</code>. | |
| 145 | 279 * |
| 129 | 280 * @param styleRange the style range on which to apply the text style |
| 281 * @param annotationColor the color of the annotation | |
| 282 */ | |
| 283 void applyTextStyle(StyleRange styleRange, Color annotationColor); | |
| 284 } | |
| 145 | 285 |
| 129 | 286 |
| 287 /** | |
| 288 * @since 3.4 | |
| 289 */ | |
| 290 public static final class HighlightingStrategy : ITextStyleStrategy { | |
| 291 public void applyTextStyle(StyleRange styleRange, Color annotationColor) { | |
| 292 styleRange.background= annotationColor; | |
| 293 } | |
| 294 } | |
| 295 | |
| 145 | 296 |
| 129 | 297 /** |
| 298 * Underline text style strategy. | |
| 145 | 299 * |
| 129 | 300 * @since 3.4 |
| 301 */ | |
| 302 public static final class UnderlineStrategy : ITextStyleStrategy { | |
| 145 | 303 |
| 129 | 304 int fUnderlineStyle; |
| 305 | |
|
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306 public this(int style) { |
| 129 | 307 Assert.isLegal(style is DWT.UNDERLINE_SINGLE || style is DWT.UNDERLINE_DOUBLE || style is DWT.UNDERLINE_ERROR || style is DWT.UNDERLINE_SQUIGGLE); |
| 308 fUnderlineStyle= style; | |
| 309 } | |
| 310 | |
| 311 public void applyTextStyle(StyleRange styleRange, Color annotationColor) { | |
| 312 styleRange.underline= true; | |
| 313 styleRange.underlineStyle= fUnderlineStyle; | |
| 314 styleRange.underlineColor= annotationColor; | |
| 315 } | |
| 316 } | |
| 317 | |
| 145 | 318 |
| 129 | 319 /** |
| 320 * Box text style strategy. | |
| 145 | 321 * |
| 129 | 322 * @since 3.4 |
| 323 */ | |
| 324 public static final class BoxStrategy : ITextStyleStrategy { | |
| 145 | 325 |
| 129 | 326 int fBorderStyle; |
| 327 | |
|
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328 public this(int style) { |
| 129 | 329 Assert.isLegal(style is DWT.BORDER_DASH || style is DWT.BORDER_DASH || style is DWT.BORDER_SOLID); |
| 330 fBorderStyle= style; | |
| 331 } | |
| 145 | 332 |
| 129 | 333 public void applyTextStyle(StyleRange styleRange, Color annotationColor) { |
| 334 styleRange.borderStyle= fBorderStyle; | |
| 335 styleRange.borderColor= annotationColor; | |
| 336 } | |
| 337 } | |
| 145 | 338 |
| 129 | 339 |
| 340 /** | |
| 341 * Implementation of <code>IRegion</code> that can be reused | |
| 342 * by setting the offset and the length. | |
| 343 */ | |
| 344 private static class ReusableRegion : Position , IRegion {} | |
| 345 | |
| 346 /** | |
| 347 * Tells whether this class is in debug mode. | |
| 348 * @since 3.0 | |
| 349 */ | |
| 350 private static bool DEBUG= "true".equalsIgnoreCase(Platform.getDebugOption("dwtx.jface.text/debug/AnnotationPainter")); //$NON-NLS-1$//$NON-NLS-2$ | |
| 351 /** | |
| 352 * The squiggly painter strategy. | |
| 353 * @since 3.0 | |
| 354 */ | |
| 355 private static final IDrawingStrategy SQUIGGLES_STRATEGY= new SquigglesStrategy(); | |
| 356 | |
| 357 /** | |
| 358 * This strategy is used to mark the <code>null</code> value in the chache | |
| 359 * maps. | |
| 145 | 360 * |
| 129 | 361 * @since 3.4 |
| 362 */ | |
| 363 private static final IDrawingStrategy NULL_STRATEGY= new NullStrategy(); | |
| 364 /** | |
| 365 * The squiggles painter id. | |
| 366 * @since 3.0 | |
| 367 */ | |
| 368 private static final Object SQUIGGLES= new Object(); | |
| 369 /** | |
| 370 * The squiggly painter strategy. | |
| 145 | 371 * |
| 129 | 372 * @since 3.4 |
| 373 */ | |
| 374 private static final ITextStyleStrategy HIGHLIGHTING_STRATEGY= new HighlightingStrategy(); | |
| 375 | |
| 376 /** | |
| 377 * The highlighting text style strategy id. | |
| 145 | 378 * |
| 129 | 379 * @since 3.4 |
| 380 */ | |
| 381 private static final Object HIGHLIGHTING= new Object(); | |
| 382 | |
| 383 /** | |
| 384 * The presentation information (decoration) for an annotation. Each such | |
| 385 * object represents one decoration drawn on the text area, such as squiggly lines | |
| 386 * and underlines. | |
| 387 */ | |
| 388 private static class Decoration { | |
| 389 /** The position of this decoration */ | |
| 390 private Position fPosition; | |
| 391 /** The color of this decoration */ | |
| 392 private Color fColor; | |
| 393 /** | |
| 394 * The annotation's layer | |
| 395 * @since 3.0 | |
| 396 */ | |
| 397 private int fLayer; | |
| 398 /** | |
| 399 * The painting strategy for this decoration. | |
| 400 * @since 3.0 | |
| 401 */ | |
| 402 private Object fPaintingStrategy; | |
| 403 } | |
| 404 | |
| 405 | |
| 406 /** Indicates whether this painter is active */ | |
| 407 private bool fIsActive= false; | |
| 408 /** Indicates whether this painter is managing decorations */ | |
| 409 private bool fIsPainting= false; | |
| 410 /** Indicates whether this painter is setting its annotation model */ | |
| 411 private volatile bool fIsSettingModel= false; | |
| 412 /** The associated source viewer */ | |
| 413 private ISourceViewer fSourceViewer; | |
| 414 /** The cached widget of the source viewer */ | |
| 415 private StyledText fTextWidget; | |
| 416 /** The annotation model providing the annotations to be drawn */ | |
| 417 private IAnnotationModel fModel; | |
| 418 /** The annotation access */ | |
| 419 private IAnnotationAccess fAnnotationAccess; | |
| 420 /** | |
| 421 * The map with decorations | |
| 422 * @since 3.0 | |
| 423 */ | |
| 424 private Map fDecorationsMap= new HashMap(); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=50767 | |
| 425 /** | |
| 426 * The map with of highlighted decorations. | |
| 427 * @since 3.0 | |
| 428 */ | |
| 429 private Map fHighlightedDecorationsMap= new HashMap(); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=50767 | |
| 430 /** | |
| 431 * Mutex for highlighted decorations map. | |
| 432 * @since 3.0 | |
| 433 */ | |
| 434 private Object fDecorationMapLock= new Object(); | |
| 435 /** | |
| 436 * Mutex for for decorations map. | |
| 437 * @since 3.0 | |
| 438 */ | |
| 439 private Object fHighlightedDecorationsMapLock= new Object(); | |
| 440 /** | |
| 441 * Maps an annotation type to its registered color. | |
| 145 | 442 * |
| 129 | 443 * @see #setAnnotationTypeColor(Object, Color) |
| 444 */ | |
| 445 private Map fAnnotationType2Color= new HashMap(); | |
| 446 | |
| 447 /** | |
| 448 * Cache that maps the annotation type to its color. | |
| 449 * @since 3.4 | |
| 450 */ | |
| 451 private Map fCachedAnnotationType2Color= new HashMap(); | |
| 452 /** | |
| 453 * The range in which the current highlight annotations can be found. | |
| 454 * @since 3.0 | |
| 455 */ | |
| 456 private Position fCurrentHighlightAnnotationRange= null; | |
| 457 /** | |
| 458 * The range in which all added, removed and changed highlight | |
| 459 * annotations can be found since the last world change. | |
| 460 * @since 3.0 | |
| 461 */ | |
| 462 private Position fTotalHighlightAnnotationRange= null; | |
| 463 /** | |
| 464 * The range in which the currently drawn annotations can be found. | |
| 465 * @since 3.3 | |
| 466 */ | |
| 467 private Position fCurrentDrawRange= null; | |
| 468 /** | |
| 469 * The range in which all added, removed and changed drawn | |
| 470 * annotations can be found since the last world change. | |
| 471 * @since 3.3 | |
| 472 */ | |
| 473 private Position fTotalDrawRange= null; | |
| 474 /** | |
| 475 * The text input listener. | |
| 476 * @since 3.0 | |
| 477 */ | |
| 478 private ITextInputListener fTextInputListener; | |
| 479 /** | |
| 480 * Flag which tells that a new document input is currently being set. | |
| 481 * @since 3.0 | |
| 482 */ | |
| 483 private bool fInputDocumentAboutToBeChanged; | |
| 484 /** | |
| 485 * Maps annotation types to painting strategy identifiers. | |
| 145 | 486 * |
| 129 | 487 * @see #addAnnotationType(Object, Object) |
| 488 * @since 3.0 | |
| 489 */ | |
| 490 private Map fAnnotationType2PaintingStrategyId= new HashMap(); | |
| 491 /** | |
| 492 * Maps annotation types to painting strategy identifiers. | |
| 493 * @since 3.4 | |
| 494 */ | |
| 495 private Map fCachedAnnotationType2PaintingStrategy= new HashMap(); | |
| 496 | |
| 497 /** | |
| 498 * Maps painting strategy identifiers to painting strategies. | |
| 145 | 499 * |
| 129 | 500 * @since 3.0 |
| 501 */ | |
| 502 private Map fPaintingStrategyId2PaintingStrategy= new HashMap(); | |
| 503 | |
| 504 /** | |
| 505 * Reuse this region for performance reasons. | |
| 506 * @since 3.3 | |
| 507 */ | |
| 508 private ReusableRegion fReusableRegion= new ReusableRegion(); | |
| 145 | 509 |
| 129 | 510 /** |
| 511 * Creates a new annotation painter for the given source viewer and with the | |
| 512 * given annotation access. The painter is not initialized, i.e. no | |
| 513 * annotation types are configured to be painted. | |
| 514 * | |
| 515 * @param sourceViewer the source viewer for this painter | |
| 516 * @param access the annotation access for this painter | |
| 517 */ | |
|
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518 public this(ISourceViewer sourceViewer, IAnnotationAccess access) { |
| 129 | 519 fSourceViewer= sourceViewer; |
| 520 fAnnotationAccess= access; | |
| 521 fTextWidget= sourceViewer.getTextWidget(); | |
| 522 | |
| 523 // default drawing strategies: squiggles were the only decoration style before version 3.0 | |
| 524 fPaintingStrategyId2PaintingStrategy.put(SQUIGGLES, SQUIGGLES_STRATEGY); | |
| 525 fPaintingStrategyId2PaintingStrategy.put(HIGHLIGHTING, HIGHLIGHTING_STRATEGY); | |
| 526 } | |
| 527 | |
| 528 /** | |
| 529 * Returns whether this painter has to draw any squiggles. | |
| 530 * | |
| 531 * @return <code>true</code> if there are squiggles to be drawn, <code>false</code> otherwise | |
| 532 */ | |
| 533 private bool hasDecorations() { | |
| 534 synchronized (fDecorationMapLock) { | |
| 535 return !fDecorationsMap.isEmpty(); | |
| 536 } | |
| 537 } | |
| 538 | |
| 539 /** | |
| 540 * Enables painting. This painter registers a paint listener with the | |
| 541 * source viewer's widget. | |
| 542 */ | |
| 543 private void enablePainting() { | |
| 544 if (!fIsPainting && hasDecorations()) { | |
| 545 fIsPainting= true; | |
| 546 fTextWidget.addPaintListener(this); | |
| 547 handleDrawRequest(null); | |
| 548 } | |
| 549 } | |
| 550 | |
| 551 /** | |
| 552 * Disables painting, if is has previously been enabled. Removes | |
| 553 * any paint listeners registered with the source viewer's widget. | |
| 554 * | |
| 555 * @param redraw <code>true</code> if the widget should be redrawn after disabling | |
| 556 */ | |
| 557 private void disablePainting(bool redraw) { | |
| 558 if (fIsPainting) { | |
| 559 fIsPainting= false; | |
| 560 fTextWidget.removePaintListener(this); | |
| 561 if (redraw && hasDecorations()) | |
| 562 handleDrawRequest(null); | |
| 563 } | |
| 564 } | |
| 565 | |
| 566 /** | |
| 567 * Sets the annotation model for this painter. Registers this painter | |
| 568 * as listener of the give model, if the model is not <code>null</code>. | |
| 569 * | |
| 570 * @param model the annotation model | |
| 571 */ | |
| 572 private void setModel(IAnnotationModel model) { | |
| 573 if (fModel !is model) { | |
| 574 if (fModel !is null) | |
| 575 fModel.removeAnnotationModelListener(this); | |
| 576 fModel= model; | |
| 577 if (fModel !is null) { | |
| 578 try { | |
| 579 fIsSettingModel= true; | |
| 580 fModel.addAnnotationModelListener(this); | |
| 581 } finally { | |
| 582 fIsSettingModel= false; | |
| 583 } | |
| 584 } | |
| 585 } | |
| 586 } | |
| 587 | |
| 588 /** | |
| 589 * Updates the set of decorations based on the current state of | |
| 590 * the painter's annotation model. | |
| 591 * | |
| 592 * @param event the annotation model event | |
| 593 */ | |
| 594 private void catchupWithModel(AnnotationModelEvent event) { | |
| 595 | |
| 596 synchronized (fDecorationMapLock) { | |
| 597 if (fDecorationsMap is null) | |
| 598 return; | |
| 599 } | |
| 600 | |
| 601 IRegion clippingRegion= computeClippingRegion(null, true); | |
| 602 IDocument document= fSourceViewer.getDocument(); | |
| 603 | |
| 604 int highlightAnnotationRangeStart= Integer.MAX_VALUE; | |
| 605 int highlightAnnotationRangeEnd= -1; | |
| 145 | 606 |
| 129 | 607 int drawRangeStart= Integer.MAX_VALUE; |
| 608 int drawRangeEnd= -1; | |
| 609 | |
| 610 if (fModel !is null) { | |
| 611 | |
| 612 Map decorationsMap; | |
| 613 Map highlightedDecorationsMap; | |
| 614 | |
| 615 // Clone decoration maps | |
| 616 synchronized (fDecorationMapLock) { | |
| 617 decorationsMap= new HashMap(fDecorationsMap); | |
| 618 } | |
| 619 synchronized (fHighlightedDecorationsMapLock) { | |
| 620 highlightedDecorationsMap= new HashMap(fHighlightedDecorationsMap); | |
| 621 } | |
| 622 | |
| 623 bool isWorldChange= false; | |
| 624 | |
| 625 Iterator e; | |
| 626 if (event is null || event.isWorldChange()) { | |
| 627 isWorldChange= true; | |
| 628 | |
| 629 if (DEBUG && event is null) | |
|
140
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Following dsss compile errors
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parents:
138
diff
changeset
|
630 System.out_.println("AP: INTERNAL CHANGE"); //$NON-NLS-1$ |
| 129 | 631 |
| 632 Iterator iter= decorationsMap.entrySet().iterator(); | |
| 633 while (iter.hasNext()) { | |
| 634 Map.Entry entry= (Map.Entry)iter.next(); | |
| 134 | 635 Annotation annotation= cast(Annotation)entry.getKey(); |
| 636 Decoration decoration= cast(Decoration)entry.getValue(); | |
| 129 | 637 drawDecoration(decoration, null, annotation, clippingRegion, document); |
| 638 } | |
| 145 | 639 |
| 129 | 640 decorationsMap.clear(); |
| 145 | 641 |
| 129 | 642 highlightedDecorationsMap.clear(); |
| 643 | |
| 644 e= fModel.getAnnotationIterator(); | |
| 645 | |
| 646 | |
| 647 } else { | |
| 648 | |
| 649 // Remove annotations | |
| 650 Annotation[] removedAnnotations= event.getRemovedAnnotations(); | |
| 651 for (int i=0, length= removedAnnotations.length; i < length; i++) { | |
| 652 Annotation annotation= removedAnnotations[i]; | |
| 134 | 653 Decoration decoration= cast(Decoration)highlightedDecorationsMap.remove(annotation); |
| 129 | 654 if (decoration !is null) { |
| 655 Position position= decoration.fPosition; | |
| 656 if (position !is null) { | |
| 657 highlightAnnotationRangeStart= Math.min(highlightAnnotationRangeStart, position.offset); | |
| 658 highlightAnnotationRangeEnd= Math.max(highlightAnnotationRangeEnd, position.offset + position.length); | |
| 659 } | |
| 660 } | |
| 134 | 661 decoration= cast(Decoration)decorationsMap.remove(annotation); |
| 129 | 662 if (decoration !is null) { |
| 663 drawDecoration(decoration, null, annotation, clippingRegion, document); | |
| 664 Position position= decoration.fPosition; | |
| 665 if (position !is null) { | |
| 666 drawRangeStart= Math.min(drawRangeStart, position.offset); | |
| 667 drawRangeEnd= Math.max(drawRangeEnd, position.offset + position.length); | |
| 668 } | |
| 669 } | |
| 145 | 670 |
| 129 | 671 } |
| 672 | |
| 673 // Update existing annotations | |
| 674 Annotation[] changedAnnotations= event.getChangedAnnotations(); | |
| 675 for (int i=0, length= changedAnnotations.length; i < length; i++) { | |
| 676 Annotation annotation= changedAnnotations[i]; | |
| 677 | |
| 678 bool isHighlighting= false; | |
| 145 | 679 |
| 134 | 680 Decoration decoration= cast(Decoration)highlightedDecorationsMap.get(annotation); |
| 129 | 681 |
| 682 if (decoration !is null) { | |
| 683 isHighlighting= true; | |
| 684 // The call below updates the decoration - no need to create new decoration | |
| 685 decoration= getDecoration(annotation, decoration); | |
| 686 if (decoration is null) | |
| 687 highlightedDecorationsMap.remove(annotation); | |
| 688 } else { | |
| 689 decoration= getDecoration(annotation, decoration); | |
| 145 | 690 if (decoration !is null && cast(ITextStyleStrategy)decoration.fPaintingStrategy ) { |
| 129 | 691 highlightedDecorationsMap.put(annotation, decoration); |
| 692 isHighlighting= true; | |
| 693 } | |
| 694 } | |
| 695 | |
| 696 bool usesDrawingStrategy= !isHighlighting && decoration !is null; | |
| 697 | |
| 698 Position position= null; | |
| 699 if (decoration is null) | |
| 700 position= fModel.getPosition(annotation); | |
| 701 else | |
| 702 position= decoration.fPosition; | |
| 703 | |
| 704 if (position !is null && !position.isDeleted()) { | |
| 705 if (isHighlighting) { | |
| 706 highlightAnnotationRangeStart= Math.min(highlightAnnotationRangeStart, position.offset); | |
| 707 highlightAnnotationRangeEnd= Math.max(highlightAnnotationRangeEnd, position.offset + position.length); | |
| 708 } | |
| 709 if (usesDrawingStrategy) { | |
| 710 drawRangeStart= Math.min(drawRangeStart, position.offset); | |
| 711 drawRangeEnd= Math.max(drawRangeEnd, position.offset + position.length); | |
| 712 } | |
| 713 } else { | |
| 714 highlightedDecorationsMap.remove(annotation); | |
| 715 } | |
| 716 | |
| 717 if (usesDrawingStrategy) { | |
| 134 | 718 Decoration oldDecoration= cast(Decoration)decorationsMap.get(annotation); |
| 129 | 719 if (oldDecoration !is null) { |
| 720 drawDecoration(oldDecoration, null, annotation, clippingRegion, document); | |
| 145 | 721 |
| 129 | 722 if (decoration !is null) |
| 723 decorationsMap.put(annotation, decoration); | |
| 724 else if (oldDecoration !is null) | |
| 725 decorationsMap.remove(annotation); | |
| 726 } | |
| 727 } | |
| 728 } | |
| 729 | |
| 730 e= Arrays.asList(event.getAddedAnnotations()).iterator(); | |
| 731 } | |
| 732 | |
| 733 // Add new annotations | |
| 734 while (e.hasNext()) { | |
| 134 | 735 Annotation annotation= cast(Annotation) e.next(); |
| 129 | 736 Decoration pp= getDecoration(annotation, null); |
| 737 if (pp !is null) { | |
| 145 | 738 if (cast(IDrawingStrategy)pp.fPaintingStrategy ) { |
| 129 | 739 decorationsMap.put(annotation, pp); |
| 740 drawRangeStart= Math.min(drawRangeStart, pp.fPosition.offset); | |
| 741 drawRangeEnd= Math.max(drawRangeEnd, pp.fPosition.offset + pp.fPosition.length); | |
| 145 | 742 } else if (cast(ITextStyleStrategy)pp.fPaintingStrategy ) { |
| 129 | 743 highlightedDecorationsMap.put(annotation, pp); |
| 744 highlightAnnotationRangeStart= Math.min(highlightAnnotationRangeStart, pp.fPosition.offset); | |
| 745 highlightAnnotationRangeEnd= Math.max(highlightAnnotationRangeEnd, pp.fPosition.offset + pp.fPosition.length); | |
| 746 } | |
| 145 | 747 |
| 129 | 748 } |
| 749 } | |
| 750 | |
| 751 synchronized (fDecorationMapLock) { | |
| 752 fDecorationsMap= decorationsMap; | |
| 753 updateDrawRanges(drawRangeStart, drawRangeEnd, isWorldChange); | |
| 754 } | |
| 755 | |
| 756 synchronized (fHighlightedDecorationsMapLock) { | |
| 757 fHighlightedDecorationsMap= highlightedDecorationsMap; | |
| 758 updateHighlightRanges(highlightAnnotationRangeStart, highlightAnnotationRangeEnd, isWorldChange); | |
| 759 } | |
| 760 } else { | |
| 761 // annotation model is null -> clear all | |
| 762 synchronized (fDecorationMapLock) { | |
| 763 fDecorationsMap.clear(); | |
| 764 } | |
| 765 synchronized (fHighlightedDecorationsMapLock) { | |
| 766 fHighlightedDecorationsMap.clear(); | |
| 767 } | |
| 768 } | |
| 769 } | |
| 770 | |
| 771 /** | |
| 772 * Updates the remembered highlight ranges. | |
| 773 * | |
| 774 * @param highlightAnnotationRangeStart the start of the range | |
| 775 * @param highlightAnnotationRangeEnd the end of the range | |
| 776 * @param isWorldChange tells whether the range belongs to a annotation model event reporting a world change | |
| 777 * @since 3.0 | |
| 778 */ | |
| 779 private void updateHighlightRanges(int highlightAnnotationRangeStart, int highlightAnnotationRangeEnd, bool isWorldChange) { | |
| 780 if (highlightAnnotationRangeStart !is Integer.MAX_VALUE) { | |
| 781 | |
| 782 int maxRangeStart= highlightAnnotationRangeStart; | |
| 783 int maxRangeEnd= highlightAnnotationRangeEnd; | |
| 784 | |
| 785 if (fTotalHighlightAnnotationRange !is null) { | |
| 786 maxRangeStart= Math.min(maxRangeStart, fTotalHighlightAnnotationRange.offset); | |
| 787 maxRangeEnd= Math.max(maxRangeEnd, fTotalHighlightAnnotationRange.offset + fTotalHighlightAnnotationRange.length); | |
| 788 } | |
| 789 | |
| 790 if (fTotalHighlightAnnotationRange is null) | |
| 791 fTotalHighlightAnnotationRange= new Position(0); | |
| 792 if (fCurrentHighlightAnnotationRange is null) | |
| 793 fCurrentHighlightAnnotationRange= new Position(0); | |
| 794 | |
| 795 if (isWorldChange) { | |
| 796 fTotalHighlightAnnotationRange.offset= highlightAnnotationRangeStart; | |
| 797 fTotalHighlightAnnotationRange.length= highlightAnnotationRangeEnd - highlightAnnotationRangeStart; | |
| 798 fCurrentHighlightAnnotationRange.offset= maxRangeStart; | |
| 799 fCurrentHighlightAnnotationRange.length= maxRangeEnd - maxRangeStart; | |
| 800 } else { | |
| 801 fTotalHighlightAnnotationRange.offset= maxRangeStart; | |
| 802 fTotalHighlightAnnotationRange.length= maxRangeEnd - maxRangeStart; | |
| 803 fCurrentHighlightAnnotationRange.offset=highlightAnnotationRangeStart; | |
| 804 fCurrentHighlightAnnotationRange.length= highlightAnnotationRangeEnd - highlightAnnotationRangeStart; | |
| 805 } | |
| 806 } else { | |
| 807 if (isWorldChange) { | |
| 808 fCurrentHighlightAnnotationRange= fTotalHighlightAnnotationRange; | |
| 809 fTotalHighlightAnnotationRange= null; | |
| 810 } else { | |
| 811 fCurrentHighlightAnnotationRange= null; | |
| 812 } | |
| 813 } | |
| 814 | |
| 815 adaptToDocumentLength(fCurrentHighlightAnnotationRange); | |
| 816 adaptToDocumentLength(fTotalHighlightAnnotationRange); | |
| 817 } | |
| 145 | 818 |
| 129 | 819 /** |
| 820 * Updates the remembered decoration ranges. | |
| 821 * | |
| 822 * @param drawRangeStart the start of the range | |
| 823 * @param drawRangeEnd the end of the range | |
| 824 * @param isWorldChange tells whether the range belongs to a annotation model event reporting a world change | |
| 825 * @since 3.3 | |
| 826 */ | |
| 827 private void updateDrawRanges(int drawRangeStart, int drawRangeEnd, bool isWorldChange) { | |
| 828 if (drawRangeStart !is Integer.MAX_VALUE) { | |
| 145 | 829 |
| 129 | 830 int maxRangeStart= drawRangeStart; |
| 831 int maxRangeEnd= drawRangeEnd; | |
| 145 | 832 |
| 129 | 833 if (fTotalDrawRange !is null) { |
| 834 maxRangeStart= Math.min(maxRangeStart, fTotalDrawRange.offset); | |
| 835 maxRangeEnd= Math.max(maxRangeEnd, fTotalDrawRange.offset + fTotalDrawRange.length); | |
| 836 } | |
| 145 | 837 |
| 129 | 838 if (fTotalDrawRange is null) |
| 839 fTotalDrawRange= new Position(0); | |
| 840 if (fCurrentDrawRange is null) | |
| 841 fCurrentDrawRange= new Position(0); | |
| 145 | 842 |
| 129 | 843 if (isWorldChange) { |
| 844 fTotalDrawRange.offset= drawRangeStart; | |
| 845 fTotalDrawRange.length= drawRangeEnd - drawRangeStart; | |
| 846 fCurrentDrawRange.offset= maxRangeStart; | |
| 847 fCurrentDrawRange.length= maxRangeEnd - maxRangeStart; | |
| 848 } else { | |
| 849 fTotalDrawRange.offset= maxRangeStart; | |
| 850 fTotalDrawRange.length= maxRangeEnd - maxRangeStart; | |
| 851 fCurrentDrawRange.offset=drawRangeStart; | |
| 852 fCurrentDrawRange.length= drawRangeEnd - drawRangeStart; | |
| 853 } | |
| 854 } else { | |
| 855 if (isWorldChange) { | |
| 856 fCurrentDrawRange= fTotalDrawRange; | |
| 857 fTotalDrawRange= null; | |
| 858 } else { | |
| 859 fCurrentDrawRange= null; | |
| 860 } | |
| 861 } | |
| 145 | 862 |
| 129 | 863 adaptToDocumentLength(fCurrentDrawRange); |
| 864 adaptToDocumentLength(fTotalDrawRange); | |
| 865 } | |
| 866 | |
| 867 /** | |
| 868 * Adapts the given position to the document length. | |
| 869 * | |
| 870 * @param position the position to adapt | |
| 871 * @since 3.0 | |
| 872 */ | |
| 873 private void adaptToDocumentLength(Position position) { | |
| 874 if (position is null) | |
| 875 return; | |
| 876 | |
| 877 int length= fSourceViewer.getDocument().getLength(); | |
| 878 position.offset= Math.min(position.offset, length); | |
| 879 position.length= Math.min(position.length, length - position.offset); | |
| 880 } | |
| 881 | |
| 882 /** | |
| 883 * Returns a decoration for the given annotation if this | |
| 884 * annotation is valid and shown by this painter. | |
| 885 * | |
| 886 * @param annotation the annotation | |
| 887 * @param decoration the decoration to be adapted and returned or <code>null</code> if a new one must be created | |
| 888 * @return the decoration or <code>null</code> if there's no valid one | |
| 889 * @since 3.0 | |
| 890 */ | |
| 891 private Decoration getDecoration(Annotation annotation, Decoration decoration) { | |
| 892 | |
| 893 if (annotation.isMarkedDeleted()) | |
| 894 return null; | |
| 895 | |
| 896 String type= annotation.getType(); | |
| 897 | |
| 898 Object paintingStrategy= getPaintingStrategy(type); | |
| 144 | 899 if (paintingStrategy is null || cast(NullStrategy)paintingStrategy ) |
| 129 | 900 return null; |
| 901 | |
| 902 Color color= getColor(type); | |
| 903 if (color is null) | |
| 904 return null; | |
| 905 | |
| 906 Position position= fModel.getPosition(annotation); | |
| 907 if (position is null || position.isDeleted()) | |
| 908 return null; | |
| 145 | 909 |
| 129 | 910 if (decoration is null) |
| 911 decoration= new Decoration(); | |
| 912 | |
| 913 decoration.fPosition= position; | |
| 914 decoration.fColor= color; | |
| 138 | 915 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) { |
| 134 | 916 IAnnotationAccessExtension extension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 917 decoration.fLayer= extension.getLayer(annotation); |
| 918 } else { | |
| 919 decoration.fLayer= IAnnotationAccessExtension.DEFAULT_LAYER; | |
| 920 } | |
| 145 | 921 |
| 129 | 922 decoration.fPaintingStrategy= paintingStrategy; |
| 145 | 923 |
| 129 | 924 return decoration; |
| 925 } | |
| 926 | |
| 927 /** | |
| 928 * Returns the painting strategy for the given annotation. | |
| 145 | 929 * |
| 129 | 930 * @param type the annotation type |
| 931 * @return the annotation painter | |
| 932 * @since 3.0 | |
| 933 */ | |
| 934 private Object getPaintingStrategy(final String type) { | |
| 935 Object strategy= fCachedAnnotationType2PaintingStrategy.get(type); | |
| 936 if (strategy !is null) | |
| 937 return strategy; | |
| 938 | |
| 939 strategy= fPaintingStrategyId2PaintingStrategy.get(fAnnotationType2PaintingStrategyId.get(type)); | |
| 940 if (strategy !is null) { | |
| 941 fCachedAnnotationType2PaintingStrategy.put(type, strategy); | |
| 942 return strategy; | |
| 943 } | |
| 944 | |
| 138 | 945 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) { |
| 134 | 946 IAnnotationAccessExtension ext = cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 947 Object[] sts = ext.getSupertypes(type); |
| 948 for (int i= 0; i < sts.length; i++) { | |
| 949 strategy= fPaintingStrategyId2PaintingStrategy.get(fAnnotationType2PaintingStrategyId.get(sts[i])); | |
| 950 if (strategy !is null) { | |
| 951 fCachedAnnotationType2PaintingStrategy.put(type, strategy); | |
| 952 return strategy; | |
| 953 } | |
| 954 } | |
| 955 } | |
| 956 | |
| 957 fCachedAnnotationType2PaintingStrategy.put(type, NULL_STRATEGY); | |
| 958 return null; | |
| 959 | |
| 960 } | |
| 961 | |
| 962 /** | |
| 963 * Returns the color for the given annotation type | |
| 964 * | |
| 965 * @param annotationType the annotation type | |
| 966 * @return the color | |
| 967 * @since 3.0 | |
| 968 */ | |
| 969 private Color getColor(final Object annotationType) { | |
| 134 | 970 Color color= cast(Color)fCachedAnnotationType2Color.get(annotationType); |
| 129 | 971 if (color !is null) |
| 972 return color; | |
| 973 | |
| 134 | 974 color= cast(Color)fAnnotationType2Color.get(annotationType); |
| 129 | 975 if (color !is null) { |
| 976 fCachedAnnotationType2Color.put(annotationType, color); | |
| 977 return color; | |
| 978 } | |
| 979 | |
| 138 | 980 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) { |
| 134 | 981 IAnnotationAccessExtension extension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 982 Object[] superTypes= extension.getSupertypes(annotationType); |
| 983 if (superTypes !is null) { | |
| 984 for (int i= 0; i < superTypes.length; i++) { | |
| 134 | 985 color= cast(Color)fAnnotationType2Color.get(superTypes[i]); |
| 129 | 986 if (color !is null) { |
| 987 fCachedAnnotationType2Color.put(annotationType, color); | |
| 988 return color; | |
| 989 } | |
| 990 } | |
| 991 } | |
| 992 } | |
| 993 | |
| 994 return null; | |
| 995 } | |
| 996 | |
| 997 /** | |
| 998 * Recomputes the squiggles to be drawn and redraws them. | |
| 999 * | |
| 1000 * @param event the annotation model event | |
| 1001 * @since 3.0 | |
| 1002 */ | |
| 1003 private void updatePainting(AnnotationModelEvent event) { | |
| 1004 disablePainting(event is null); | |
| 1005 | |
| 1006 catchupWithModel(event); | |
| 1007 | |
| 1008 if (!fInputDocumentAboutToBeChanged) | |
| 1009 invalidateTextPresentation(); | |
| 1010 | |
| 1011 enablePainting(); | |
| 1012 } | |
| 1013 | |
| 1014 private void invalidateTextPresentation() { | |
| 1015 IRegion r= null; | |
| 1016 synchronized (fHighlightedDecorationsMapLock) { | |
| 1017 if (fCurrentHighlightAnnotationRange !is null) | |
| 1018 r= new Region(fCurrentHighlightAnnotationRange.getOffset(), fCurrentHighlightAnnotationRange.getLength()); | |
| 1019 } | |
| 1020 if (r is null) | |
| 1021 return; | |
| 1022 | |
| 138 | 1023 if ( cast(ITextViewerExtension2)fSourceViewer ) { |
| 145 | 1024 if (DEBUG) |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1025 System.out_.println("AP: invalidating offset: " + r.getOffset() + ", length= " + r.getLength()); //$NON-NLS-1$ //$NON-NLS-2$ |
| 129 | 1026 |
| 134 | 1027 (cast(ITextViewerExtension2)fSourceViewer).invalidateTextPresentation(r.getOffset(), r.getLength()); |
| 129 | 1028 |
| 1029 } else { | |
| 1030 fSourceViewer.invalidateTextPresentation(); | |
| 1031 } | |
| 1032 } | |
| 1033 | |
| 1034 /* | |
| 1035 * @see dwtx.jface.text.ITextPresentationListener#applyTextPresentation(dwtx.jface.text.TextPresentation) | |
| 1036 * @since 3.0 | |
| 1037 */ | |
| 1038 public void applyTextPresentation(TextPresentation tp) { | |
| 1039 Set decorations; | |
| 1040 | |
| 1041 synchronized (fHighlightedDecorationsMapLock) { | |
| 1042 if (fHighlightedDecorationsMap is null || fHighlightedDecorationsMap.isEmpty()) | |
| 1043 return; | |
| 1044 | |
| 1045 decorations= new HashSet(fHighlightedDecorationsMap.entrySet()); | |
| 1046 } | |
| 1047 | |
| 1048 IRegion region= tp.getExtent(); | |
| 1049 | |
| 145 | 1050 if (DEBUG) |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1051 System.out_.println("AP: applying text presentation offset: " + region.getOffset() + ", length= " + region.getLength()); //$NON-NLS-1$ //$NON-NLS-2$ |
| 129 | 1052 |
| 1053 for (int layer= 0, maxLayer= 1; layer < maxLayer; layer++) { | |
| 1054 | |
| 1055 for (Iterator iter= decorations.iterator(); iter.hasNext();) { | |
| 1056 Map.Entry entry= (Map.Entry)iter.next(); | |
| 1057 | |
| 134 | 1058 Annotation a= cast(Annotation)entry.getKey(); |
| 129 | 1059 if (a.isMarkedDeleted()) |
| 1060 continue; | |
| 1061 | |
| 134 | 1062 Decoration pp = cast(Decoration)entry.getValue(); |
| 129 | 1063 |
| 1064 maxLayer= Math.max(maxLayer, pp.fLayer + 1); // dynamically update layer maximum | |
| 1065 if (pp.fLayer !is layer) // wrong layer: skip annotation | |
| 1066 continue; | |
| 1067 | |
| 1068 Position p= pp.fPosition; | |
| 138 | 1069 if ( cast(ITextViewerExtension5)fSourceViewer ) { |
| 134 | 1070 ITextViewerExtension5 extension3= cast(ITextViewerExtension5) fSourceViewer; |
| 129 | 1071 if (null is extension3.modelRange2WidgetRange(new Region(p.getOffset(), p.getLength()))) |
| 1072 continue; | |
| 1073 } else if (!fSourceViewer.overlapsWithVisibleRegion(p.offset, p.length)) { | |
| 1074 continue; | |
| 1075 } | |
| 1076 | |
| 1077 int regionEnd= region.getOffset() + region.getLength(); | |
| 1078 int pEnd= p.getOffset() + p.getLength(); | |
| 1079 if (pEnd >= region.getOffset() && regionEnd > p.getOffset()) { | |
| 1080 int start= Math.max(p.getOffset(), region.getOffset()); | |
| 1081 int end= Math.min(regionEnd, pEnd); | |
| 1082 int length= Math.max(end - start, 0); | |
| 1083 StyleRange styleRange= new StyleRange(start, length, null, null); | |
| 134 | 1084 (cast(ITextStyleStrategy)pp.fPaintingStrategy).applyTextStyle(styleRange, pp.fColor); |
| 129 | 1085 tp.mergeStyleRange(styleRange); |
| 1086 } | |
| 1087 } | |
| 1088 } | |
| 1089 } | |
| 1090 | |
| 1091 /* | |
| 1092 * @see dwtx.jface.text.source.IAnnotationModelListener#modelChanged(dwtx.jface.text.source.IAnnotationModel) | |
| 1093 */ | |
| 1094 public synchronized void modelChanged(final IAnnotationModel model) { | |
| 145 | 1095 if (DEBUG) |
| 129 | 1096 System.err.println("AP: OLD API of AnnotationModelListener called"); //$NON-NLS-1$ |
| 1097 | |
| 1098 modelChanged(new AnnotationModelEvent(model)); | |
| 1099 } | |
| 1100 | |
| 1101 /* | |
| 1102 * @see dwtx.jface.text.source.IAnnotationModelListenerExtension#modelChanged(dwtx.jface.text.source.AnnotationModelEvent) | |
| 1103 */ | |
| 1104 public void modelChanged(final AnnotationModelEvent event) { | |
| 1105 Display textWidgetDisplay; | |
| 1106 try { | |
| 1107 StyledText textWidget= fTextWidget; | |
| 1108 if (textWidget is null || textWidget.isDisposed()) | |
| 1109 return; | |
| 1110 textWidgetDisplay= textWidget.getDisplay(); | |
| 1111 } catch (DWTException ex) { | |
| 1112 if (ex.code is DWT.ERROR_WIDGET_DISPOSED) | |
| 1113 return; | |
| 1114 throw ex; | |
| 1115 } | |
| 1116 | |
| 1117 if (fIsSettingModel) { | |
| 1118 // inside the UI thread -> no need for posting | |
| 1119 if (textWidgetDisplay is Display.getCurrent()) | |
| 1120 updatePainting(event); | |
| 1121 else { | |
| 1122 /* | |
| 1123 * we can throw away the changes since | |
| 1124 * further update painting will happen | |
| 1125 */ | |
| 1126 return; | |
| 1127 } | |
| 1128 } else { | |
| 1129 if (DEBUG && event !is null && event.isWorldChange()) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1130 System.out_.println("AP: WORLD CHANGED, stack trace follows:"); //$NON-NLS-1$ |
| 145 | 1131 ExceptionPrintStackTrace( new Exception(""), Stdout ); |
| 129 | 1132 } |
| 1133 | |
| 1134 // XXX: posting here is a problem for annotations that are being | |
| 1135 // removed and the positions of which are not updated to document | |
| 1136 // changes any more. If the document gets modified between | |
| 1137 // now and running the posted runnable, the position information | |
| 1138 // is not accurate any longer. | |
| 135 | 1139 textWidgetDisplay.asyncExec(new class() Runnable { |
| 129 | 1140 public void run() { |
| 1141 if (fTextWidget !is null && !fTextWidget.isDisposed()) | |
| 1142 updatePainting(event); | |
| 1143 } | |
| 1144 }); | |
| 1145 } | |
| 1146 } | |
| 1147 | |
| 1148 /** | |
| 1149 * Sets the color in which the squiggly for the given annotation type should be drawn. | |
| 1150 * | |
| 1151 * @param annotationType the annotation type | |
| 1152 * @param color the color | |
| 1153 */ | |
| 1154 public void setAnnotationTypeColor(Object annotationType, Color color) { | |
| 1155 if (color !is null) | |
| 1156 fAnnotationType2Color.put(annotationType, color); | |
| 1157 else | |
| 1158 fAnnotationType2Color.remove(annotationType); | |
| 1159 fCachedAnnotationType2Color.clear(); | |
| 1160 } | |
| 1161 | |
| 1162 /** | |
| 1163 * Adds the given annotation type to the list of annotation types whose | |
| 1164 * annotations should be painted by this painter using squiggly drawing. If the annotation type | |
| 1165 * is already in this list, this method is without effect. | |
| 1166 * | |
| 1167 * @param annotationType the annotation type | |
| 1168 */ | |
| 1169 public void addAnnotationType(Object annotationType) { | |
| 1170 addAnnotationType(annotationType, SQUIGGLES); | |
| 1171 } | |
| 1172 | |
| 1173 /** | |
| 1174 * Adds the given annotation type to the list of annotation types whose | |
| 1175 * annotations should be painted by this painter using the given drawing strategy. | |
| 1176 * If the annotation type is already in this list, the old drawing strategy gets replaced. | |
| 1177 * | |
| 1178 * @param annotationType the annotation type | |
| 1179 * @param drawingStrategyID the id of the drawing strategy that should be used for this annotation type | |
| 1180 * @since 3.0 | |
| 1181 */ | |
| 1182 public void addAnnotationType(Object annotationType, Object drawingStrategyID) { | |
| 1183 fAnnotationType2PaintingStrategyId.put(annotationType, drawingStrategyID); | |
| 1184 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1185 | |
| 1186 if (fTextInputListener is null) { | |
| 135 | 1187 fTextInputListener= new class() ITextInputListener { |
| 129 | 1188 |
| 1189 /* | |
| 1190 * @see dwtx.jface.text.ITextInputListener#inputDocumentAboutToBeChanged(dwtx.jface.text.IDocument, dwtx.jface.text.IDocument) | |
| 1191 */ | |
| 1192 public void inputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) { | |
| 1193 fInputDocumentAboutToBeChanged= true; | |
| 1194 } | |
| 1195 | |
| 1196 /* | |
| 1197 * @see dwtx.jface.text.ITextInputListener#inputDocumentChanged(dwtx.jface.text.IDocument, dwtx.jface.text.IDocument) | |
| 1198 */ | |
| 1199 public void inputDocumentChanged(IDocument oldInput, IDocument newInput) { | |
| 1200 fInputDocumentAboutToBeChanged= false; | |
| 1201 } | |
| 1202 }; | |
| 1203 fSourceViewer.addTextInputListener(fTextInputListener); | |
| 1204 } | |
| 145 | 1205 |
| 129 | 1206 } |
| 1207 | |
| 1208 /** | |
| 1209 * Registers a new drawing strategy under the given ID. If there is already a | |
| 1210 * strategy registered under <code>id</code>, the old strategy gets replaced. | |
| 1211 * <p>The given id can be referenced when adding annotation types, see | |
| 1212 * {@link #addAnnotationType(Object, Object)}.</p> | |
| 1213 * | |
| 1214 * @param id the identifier under which the strategy can be referenced, not <code>null</code> | |
| 1215 * @param strategy the new strategy | |
| 1216 * @since 3.0 | |
| 1217 */ | |
| 1218 public void addDrawingStrategy(Object id, IDrawingStrategy strategy) { | |
| 1219 // don't permit null as null is used to signal that an annotation type is not | |
| 1220 // registered with a specific strategy, and that its annotation hierarchy should be searched | |
| 1221 if (id is null) | |
| 1222 throw new IllegalArgumentException(); | |
| 1223 fPaintingStrategyId2PaintingStrategy.put(id, strategy); | |
| 1224 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1225 } | |
| 1226 | |
| 1227 /** | |
| 1228 * Registers a new drawing strategy under the given ID. If there is already | |
| 1229 * a strategy registered under <code>id</code>, the old strategy gets | |
| 1230 * replaced. | |
| 1231 * <p> | |
| 1232 * The given id can be referenced when adding annotation types, see | |
| 1233 * {@link #addAnnotationType(Object, Object)}. | |
| 1234 * </p> | |
| 145 | 1235 * |
| 129 | 1236 * @param id the identifier under which the strategy can be referenced, not <code>null</code> |
| 1237 * @param strategy the new strategy | |
| 1238 * @since 3.4 | |
| 1239 */ | |
| 1240 public void addTextStyleStrategy(Object id, ITextStyleStrategy strategy) { | |
| 1241 // don't permit null as null is used to signal that an annotation type is not | |
| 1242 // registered with a specific strategy, and that its annotation hierarchy should be searched | |
| 1243 if (id is null) | |
| 1244 throw new IllegalArgumentException(); | |
| 1245 fPaintingStrategyId2PaintingStrategy.put(id, strategy); | |
| 1246 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1247 } | |
| 1248 | |
| 1249 /** | |
| 1250 * Adds the given annotation type to the list of annotation types whose | |
| 1251 * annotations should be highlighted this painter. If the annotation type | |
| 1252 * is already in this list, this method is without effect. | |
| 1253 * | |
| 1254 * @param annotationType the annotation type | |
| 1255 * @since 3.0 | |
| 1256 */ | |
| 1257 public void addHighlightAnnotationType(Object annotationType) { | |
| 1258 addAnnotationType(annotationType, HIGHLIGHTING); | |
| 1259 } | |
| 1260 | |
| 1261 /** | |
| 1262 * Removes the given annotation type from the list of annotation types whose | |
| 1263 * annotations are painted by this painter. If the annotation type is not | |
| 1264 * in this list, this method is without effect. | |
| 1265 * | |
| 1266 * @param annotationType the annotation type | |
| 1267 */ | |
| 1268 public void removeAnnotationType(Object annotationType) { | |
| 1269 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1270 fAnnotationType2PaintingStrategyId.remove(annotationType); | |
| 1271 if (fAnnotationType2PaintingStrategyId.isEmpty() && fTextInputListener !is null) { | |
| 1272 fSourceViewer.removeTextInputListener(fTextInputListener); | |
| 1273 fTextInputListener= null; | |
| 1274 fInputDocumentAboutToBeChanged= false; | |
| 1275 } | |
| 1276 } | |
| 1277 | |
| 1278 /** | |
| 1279 * Removes the given annotation type from the list of annotation types whose | |
| 1280 * annotations are highlighted by this painter. If the annotation type is not | |
| 1281 * in this list, this method is without effect. | |
| 1282 * | |
| 1283 * @param annotationType the annotation type | |
| 1284 * @since 3.0 | |
| 1285 */ | |
| 1286 public void removeHighlightAnnotationType(Object annotationType) { | |
| 1287 removeAnnotationType(annotationType); | |
| 1288 } | |
| 1289 | |
| 1290 /** | |
| 1291 * Clears the list of annotation types whose annotations are | |
| 1292 * painted by this painter. | |
| 1293 */ | |
| 1294 public void removeAllAnnotationTypes() { | |
| 1295 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1296 fAnnotationType2PaintingStrategyId.clear(); | |
| 1297 if (fTextInputListener !is null) { | |
| 1298 fSourceViewer.removeTextInputListener(fTextInputListener); | |
| 1299 fTextInputListener= null; | |
| 1300 } | |
| 1301 } | |
| 1302 | |
| 1303 /** | |
| 1304 * Returns whether the list of annotation types whose annotations are painted | |
| 1305 * by this painter contains at least on element. | |
| 1306 * | |
| 1307 * @return <code>true</code> if there is an annotation type whose annotations are painted | |
| 1308 */ | |
| 1309 public bool isPaintingAnnotations() { | |
| 1310 return !fAnnotationType2PaintingStrategyId.isEmpty(); | |
| 1311 } | |
| 1312 | |
| 1313 /* | |
| 1314 * @see dwtx.jface.text.IPainter#dispose() | |
| 1315 */ | |
| 1316 public void dispose() { | |
| 1317 | |
| 1318 if (fAnnotationType2Color !is null) { | |
| 1319 fAnnotationType2Color.clear(); | |
| 1320 fAnnotationType2Color= null; | |
| 1321 } | |
| 1322 | |
| 1323 if (fCachedAnnotationType2Color !is null) { | |
| 1324 fCachedAnnotationType2Color.clear(); | |
| 1325 fCachedAnnotationType2Color= null; | |
| 1326 } | |
| 1327 | |
| 1328 if (fCachedAnnotationType2PaintingStrategy !is null) { | |
| 1329 fCachedAnnotationType2PaintingStrategy.clear(); | |
| 1330 fCachedAnnotationType2PaintingStrategy= null; | |
| 1331 } | |
| 145 | 1332 |
| 129 | 1333 if (fAnnotationType2PaintingStrategyId !is null) { |
| 1334 fAnnotationType2PaintingStrategyId.clear(); | |
| 1335 fAnnotationType2PaintingStrategyId= null; | |
| 1336 } | |
| 145 | 1337 |
| 129 | 1338 fTextWidget= null; |
| 1339 fSourceViewer= null; | |
| 1340 fAnnotationAccess= null; | |
| 1341 fModel= null; | |
| 1342 synchronized (fDecorationMapLock) { | |
| 1343 fDecorationsMap= null; | |
| 1344 } | |
| 1345 synchronized (fHighlightedDecorationsMapLock) { | |
| 1346 fHighlightedDecorationsMap= null; | |
| 1347 } | |
| 1348 } | |
| 1349 | |
| 1350 /** | |
| 1351 * Returns the document offset of the upper left corner of the source viewer's view port, | |
| 1352 * possibly including partially visible lines. | |
| 1353 * | |
| 1354 * @return the document offset if the upper left corner of the view port | |
| 1355 */ | |
| 1356 private int getInclusiveTopIndexStartOffset() { | |
| 1357 | |
| 1358 if (fTextWidget !is null && !fTextWidget.isDisposed()) { | |
| 1359 int top= JFaceTextUtil.getPartialTopIndex(fSourceViewer); | |
| 1360 try { | |
| 1361 IDocument document= fSourceViewer.getDocument(); | |
| 1362 return document.getLineOffset(top); | |
| 1363 } catch (BadLocationException x) { | |
| 1364 } | |
| 1365 } | |
| 1366 | |
| 1367 return -1; | |
| 1368 } | |
| 1369 | |
| 1370 /** | |
| 1371 * Returns the first invisible document offset of the lower right corner of the source viewer's view port, | |
| 1372 * possibly including partially visible lines. | |
| 1373 * | |
| 1374 * @return the first invisible document offset of the lower right corner of the view port | |
| 1375 */ | |
| 1376 private int getExclusiveBottomIndexEndOffset() { | |
| 1377 | |
| 1378 if (fTextWidget !is null && !fTextWidget.isDisposed()) { | |
| 1379 int bottom= JFaceTextUtil.getPartialBottomIndex(fSourceViewer); | |
| 1380 try { | |
| 1381 IDocument document= fSourceViewer.getDocument(); | |
| 1382 | |
| 1383 if (bottom >= document.getNumberOfLines()) | |
| 1384 bottom= document.getNumberOfLines() - 1; | |
| 1385 | |
| 1386 return document.getLineOffset(bottom) + document.getLineLength(bottom); | |
| 1387 } catch (BadLocationException x) { | |
| 1388 } | |
| 1389 } | |
| 1390 | |
| 1391 return -1; | |
| 1392 } | |
| 1393 | |
| 1394 /* | |
| 1395 * @see dwt.events.PaintListener#paintControl(dwt.events.PaintEvent) | |
| 1396 */ | |
| 1397 public void paintControl(PaintEvent event) { | |
| 1398 if (fTextWidget !is null) | |
| 1399 handleDrawRequest(event); | |
| 1400 } | |
| 1401 | |
| 1402 /** | |
| 1403 * Handles the request to draw the annotations using the given graphical context. | |
| 1404 * | |
| 1405 * @param event the paint event or <code>null</code> | |
| 1406 */ | |
| 1407 private void handleDrawRequest(PaintEvent event) { | |
| 1408 | |
| 1409 if (fTextWidget is null) { | |
| 1410 // is already disposed | |
| 1411 return; | |
| 1412 } | |
| 1413 | |
| 1414 IRegion clippingRegion= computeClippingRegion(event, false); | |
| 1415 if (clippingRegion is null) | |
| 1416 return; | |
| 145 | 1417 |
| 129 | 1418 int vOffset= clippingRegion.getOffset(); |
| 1419 int vLength= clippingRegion.getLength(); | |
| 145 | 1420 |
| 129 | 1421 final GC gc= event !is null ? event.gc : null; |
| 1422 | |
| 1423 // Clone decorations | |
| 1424 Collection decorations; | |
| 1425 synchronized (fDecorationMapLock) { | |
| 1426 decorations= new ArrayList(fDecorationsMap.size()); | |
| 1427 decorations.addAll(fDecorationsMap.entrySet()); | |
| 1428 } | |
| 1429 | |
| 1430 /* | |
| 1431 * Create a new list of annotations to be drawn, since removing from decorations is more | |
| 1432 * expensive. One bucket per drawing layer. Use linked lists as addition is cheap here. | |
| 1433 */ | |
| 1434 ArrayList toBeDrawn= new ArrayList(10); | |
| 1435 for (Iterator e = decorations.iterator(); e.hasNext();) { | |
| 1436 Map.Entry entry= (Map.Entry)e.next(); | |
| 145 | 1437 |
| 134 | 1438 Annotation a= cast(Annotation)entry.getKey(); |
| 1439 Decoration pp = cast(Decoration)entry.getValue(); | |
| 129 | 1440 // prune any annotation that is not drawable or does not need drawing |
| 1441 if (!(a.isMarkedDeleted() || skip(a) || !pp.fPosition.overlapsWith(vOffset, vLength))) { | |
| 1442 // ensure sized appropriately | |
| 1443 for (int i= toBeDrawn.size(); i <= pp.fLayer; i++) | |
| 1444 toBeDrawn.add(new LinkedList()); | |
| 134 | 1445 (cast(List) toBeDrawn.get(pp.fLayer)).add(entry); |
| 129 | 1446 } |
| 1447 } | |
| 1448 IDocument document= fSourceViewer.getDocument(); | |
| 1449 for (Iterator it= toBeDrawn.iterator(); it.hasNext();) { | |
| 134 | 1450 List layer= cast(List) it.next(); |
| 129 | 1451 for (Iterator e = layer.iterator(); e.hasNext();) { |
| 1452 Map.Entry entry= (Map.Entry)e.next(); | |
| 134 | 1453 Annotation a= cast(Annotation)entry.getKey(); |
| 1454 Decoration pp = cast(Decoration)entry.getValue(); | |
| 129 | 1455 drawDecoration(pp, gc, a, clippingRegion, document); |
| 1456 } | |
| 1457 } | |
| 1458 } | |
| 145 | 1459 |
| 129 | 1460 private void drawDecoration(Decoration pp, GC gc, Annotation annotation, IRegion clippingRegion, IDocument document) { |
| 1461 if (clippingRegion is null) | |
| 1462 return; | |
| 1463 | |
| 145 | 1464 if (!(cast(IDrawingStrategy)pp.fPaintingStrategy )) |
| 129 | 1465 return; |
| 1466 | |
| 134 | 1467 IDrawingStrategy drawingStrategy= cast(IDrawingStrategy)pp.fPaintingStrategy; |
| 129 | 1468 |
| 1469 int clippingOffset= clippingRegion.getOffset(); | |
| 1470 int clippingLength= clippingRegion.getLength(); | |
| 1471 | |
| 1472 Position p= pp.fPosition; | |
| 1473 try { | |
| 1474 | |
| 1475 int startLine= document.getLineOfOffset(p.getOffset()); | |
| 1476 int lastInclusive= Math.max(p.getOffset(), p.getOffset() + p.getLength() - 1); | |
| 1477 int endLine= document.getLineOfOffset(lastInclusive); | |
| 1478 | |
| 1479 for (int i= startLine; i <= endLine; i++) { | |
| 1480 int lineOffset= document.getLineOffset(i); | |
| 1481 int paintStart= Math.max(lineOffset, p.getOffset()); | |
| 1482 String lineDelimiter= document.getLineDelimiter(i); | |
| 1483 int delimiterLength= lineDelimiter !is null ? lineDelimiter.length() : 0; | |
| 1484 int paintLength= Math.min(lineOffset + document.getLineLength(i) - delimiterLength, p.getOffset() + p.getLength()) - paintStart; | |
| 1485 if (paintLength >= 0 && overlapsWith(paintStart, paintLength, clippingOffset, clippingLength)) { | |
| 1486 // otherwise inside a line delimiter | |
| 1487 IRegion widgetRange= getWidgetRange(paintStart, paintLength); | |
| 1488 if (widgetRange !is null) { | |
| 1489 drawingStrategy.draw(annotation, gc, fTextWidget, widgetRange.getOffset(), widgetRange.getLength(), pp.fColor); | |
| 1490 } | |
| 1491 } | |
| 1492 } | |
| 1493 | |
| 1494 } catch (BadLocationException x) { | |
| 1495 } | |
| 1496 } | |
| 145 | 1497 |
| 129 | 1498 /** |
| 1499 * Computes the model (document) region that is covered by the paint event's clipping region. If | |
| 1500 * <code>event</code> is <code>null</code>, the model range covered by the visible editor | |
| 1501 * area (viewport) is returned. | |
| 145 | 1502 * |
| 129 | 1503 * @param event the paint event or <code>null</code> to use the entire viewport |
| 1504 * @param isClearing tells whether the clipping is need for clearing an annotation | |
| 1505 * @return the model region comprised by either the paint event's clipping region or the | |
| 1506 * viewport | |
| 1507 * @since 3.2 | |
| 1508 */ | |
| 1509 private IRegion computeClippingRegion(PaintEvent event, bool isClearing) { | |
| 1510 if (event is null) { | |
| 145 | 1511 |
| 129 | 1512 if (!isClearing && fCurrentDrawRange !is null) |
| 1513 return new Region(fCurrentDrawRange.offset, fCurrentDrawRange.length); | |
| 145 | 1514 |
| 129 | 1515 // trigger a repaint of the entire viewport |
| 1516 int vOffset= getInclusiveTopIndexStartOffset(); | |
| 1517 if (vOffset is -1) | |
| 1518 return null; | |
| 145 | 1519 |
| 129 | 1520 // http://bugs.eclipse.org/bugs/show_bug.cgi?id=17147 |
| 1521 int vLength= getExclusiveBottomIndexEndOffset() - vOffset; | |
| 145 | 1522 |
| 129 | 1523 return new Region(vOffset, vLength); |
| 1524 } | |
| 145 | 1525 |
| 129 | 1526 int widgetOffset; |
| 1527 try { | |
| 1528 int widgetClippingStartOffset= fTextWidget.getOffsetAtLocation(new Point(0, event.y)); | |
| 1529 int firstWidgetLine= fTextWidget.getLineAtOffset(widgetClippingStartOffset); | |
| 1530 widgetOffset= fTextWidget.getOffsetAtLine(firstWidgetLine); | |
| 1531 } catch (IllegalArgumentException ex1) { | |
| 1532 try { | |
| 1533 int firstVisibleLine= JFaceTextUtil.getPartialTopIndex(fTextWidget); | |
| 1534 widgetOffset= fTextWidget.getOffsetAtLine(firstVisibleLine); | |
| 1535 } catch (IllegalArgumentException ex2) { // above try code might fail too | |
| 1536 widgetOffset= 0; | |
| 1537 } | |
| 1538 } | |
| 145 | 1539 |
| 129 | 1540 int widgetEndOffset; |
| 1541 try { | |
| 1542 int widgetClippingEndOffset= fTextWidget.getOffsetAtLocation(new Point(0, event.y + event.height)); | |
| 1543 int lastWidgetLine= fTextWidget.getLineAtOffset(widgetClippingEndOffset); | |
| 1544 widgetEndOffset= fTextWidget.getOffsetAtLine(lastWidgetLine + 1); | |
| 1545 } catch (IllegalArgumentException ex1) { | |
| 1546 // happens if the editor is not "full", e.g. the last line of the document is visible in the editor | |
| 1547 try { | |
| 1548 int lastVisibleLine= JFaceTextUtil.getPartialBottomIndex(fTextWidget); | |
| 1549 if (lastVisibleLine is fTextWidget.getLineCount() - 1) | |
| 1550 // last line | |
| 1551 widgetEndOffset= fTextWidget.getCharCount(); | |
| 1552 else | |
| 1553 widgetEndOffset= fTextWidget.getOffsetAtLine(lastVisibleLine + 1) - 1; | |
| 1554 } catch (IllegalArgumentException ex2) { // above try code might fail too | |
| 1555 widgetEndOffset= fTextWidget.getCharCount(); | |
| 1556 } | |
| 1557 } | |
| 145 | 1558 |
| 129 | 1559 IRegion clippingRegion= getModelRange(widgetOffset, widgetEndOffset - widgetOffset); |
| 145 | 1560 |
| 129 | 1561 return clippingRegion; |
| 1562 } | |
| 1563 | |
| 1564 /** | |
| 1565 * Should the given annotation be skipped when handling draw requests? | |
| 1566 * | |
| 1567 * @param annotation the annotation | |
| 1568 * @return <code>true</code> iff the given annotation should be | |
| 1569 * skipped when handling draw requests | |
| 1570 * @since 3.0 | |
| 1571 */ | |
| 1572 protected bool skip(Annotation annotation) { | |
| 1573 return false; | |
| 1574 } | |
| 1575 | |
| 1576 /** | |
| 1577 * Returns the widget region that corresponds to the | |
| 1578 * given offset and length in the viewer's document. | |
| 145 | 1579 * |
| 129 | 1580 * @param modelOffset the model offset |
| 1581 * @param modelLength the model length | |
| 1582 * @return the corresponding widget region | |
| 1583 */ | |
| 1584 private IRegion getWidgetRange(int modelOffset, int modelLength) { | |
| 1585 fReusableRegion.setOffset(modelOffset); | |
| 1586 fReusableRegion.setLength(modelLength); | |
| 1587 | |
| 1588 if (fReusableRegion is null || fReusableRegion.getOffset() is Integer.MAX_VALUE) | |
| 1589 return null; | |
| 1590 | |
| 138 | 1591 if ( cast(ITextViewerExtension5)fSourceViewer ) { |
| 134 | 1592 ITextViewerExtension5 extension= cast(ITextViewerExtension5) fSourceViewer; |
| 129 | 1593 return extension.modelRange2WidgetRange(fReusableRegion); |
| 1594 } | |
| 1595 | |
| 1596 IRegion region= fSourceViewer.getVisibleRegion(); | |
| 1597 int offset= region.getOffset(); | |
| 1598 int length= region.getLength(); | |
| 1599 | |
| 1600 if (overlapsWith(fReusableRegion, region)) { | |
| 1601 int p1= Math.max(offset, fReusableRegion.getOffset()); | |
| 1602 int p2= Math.min(offset + length, fReusableRegion.getOffset() + fReusableRegion.getLength()); | |
| 1603 return new Region(p1 - offset, p2 - p1); | |
| 1604 } | |
| 1605 return null; | |
| 1606 } | |
| 1607 | |
| 1608 /** | |
| 1609 * Returns the model region that corresponds to the given region in the | |
| 1610 * viewer's text widget. | |
| 1611 * | |
| 1612 * @param offset the offset in the viewer's widget | |
| 1613 * @param length the length in the viewer's widget | |
| 1614 * @return the corresponding document region | |
| 1615 * @since 3.2 | |
| 1616 */ | |
| 1617 private IRegion getModelRange(int offset, int length) { | |
| 1618 if (offset is Integer.MAX_VALUE) | |
| 1619 return null; | |
| 1620 | |
| 138 | 1621 if ( cast(ITextViewerExtension5)fSourceViewer ) { |
| 134 | 1622 ITextViewerExtension5 extension= cast(ITextViewerExtension5) fSourceViewer; |
| 129 | 1623 return extension.widgetRange2ModelRange(new Region(offset, length)); |
| 1624 } | |
| 145 | 1625 |
| 129 | 1626 IRegion region= fSourceViewer.getVisibleRegion(); |
| 1627 return new Region(region.getOffset() + offset, length); | |
| 1628 } | |
| 145 | 1629 |
| 129 | 1630 /** |
| 1631 * Checks whether the intersection of the given text ranges | |
| 1632 * is empty or not. | |
| 1633 * | |
| 1634 * @param range1 the first range to check | |
| 1635 * @param range2 the second range to check | |
| 1636 * @return <code>true</code> if intersection is not empty | |
| 1637 */ | |
| 1638 private bool overlapsWith(IRegion range1, IRegion range2) { | |
| 1639 return overlapsWith(range1.getOffset(), range1.getLength(), range2.getOffset(), range2.getLength()); | |
| 1640 } | |
| 1641 | |
| 1642 /** | |
| 1643 * Checks whether the intersection of the given text ranges | |
| 1644 * is empty or not. | |
| 1645 * | |
| 1646 * @param offset1 offset of the first range | |
| 1647 * @param length1 length of the first range | |
| 1648 * @param offset2 offset of the second range | |
| 1649 * @param length2 length of the second range | |
| 1650 * @return <code>true</code> if intersection is not empty | |
| 1651 */ | |
| 1652 private bool overlapsWith(int offset1, int length1, int offset2, int length2) { | |
| 1653 int end= offset2 + length2; | |
| 1654 int thisEnd= offset1 + length1; | |
| 1655 | |
| 1656 if (length2 > 0) { | |
| 1657 if (length1 > 0) | |
| 1658 return offset1 < end && offset2 < thisEnd; | |
| 1659 return offset2 <= offset1 && offset1 < end; | |
| 1660 } | |
| 1661 | |
| 1662 if (length1 > 0) | |
| 1663 return offset1 <= offset2 && offset2 < thisEnd; | |
| 1664 return offset1 is offset2; | |
| 1665 } | |
| 1666 | |
| 1667 /* | |
| 1668 * @see dwtx.jface.text.IPainter#deactivate(bool) | |
| 1669 */ | |
| 1670 public void deactivate(bool redraw) { | |
| 1671 if (fIsActive) { | |
| 1672 fIsActive= false; | |
| 1673 disablePainting(redraw); | |
| 1674 setModel(null); | |
| 1675 catchupWithModel(null); | |
| 1676 } | |
| 1677 } | |
| 1678 | |
| 1679 /** | |
| 1680 * Returns whether the given reason causes a repaint. | |
| 1681 * | |
| 1682 * @param reason the reason | |
| 1683 * @return <code>true</code> if repaint reason, <code>false</code> otherwise | |
| 1684 * @since 3.0 | |
| 1685 */ | |
| 1686 protected bool isRepaintReason(int reason) { | |
| 1687 return CONFIGURATION is reason || INTERNAL is reason; | |
| 1688 } | |
| 1689 | |
| 1690 /** | |
| 1691 * Retrieves the annotation model from the given source viewer. | |
| 1692 * | |
| 1693 * @param sourceViewer the source viewer | |
| 1694 * @return the source viewer's annotation model or <code>null</code> if none can be found | |
| 1695 * @since 3.0 | |
| 1696 */ | |
| 1697 protected IAnnotationModel findAnnotationModel(ISourceViewer sourceViewer) { | |
| 1698 if(sourceViewer !is null) | |
| 1699 return sourceViewer.getAnnotationModel(); | |
| 1700 return null; | |
| 1701 } | |
| 1702 | |
| 1703 /* | |
| 1704 * @see dwtx.jface.text.IPainter#paint(int) | |
| 1705 */ | |
| 1706 public void paint(int reason) { | |
| 1707 if (fSourceViewer.getDocument() is null) { | |
| 1708 deactivate(false); | |
| 1709 return; | |
| 1710 } | |
| 1711 | |
| 1712 if (!fIsActive) { | |
| 1713 IAnnotationModel model= findAnnotationModel(fSourceViewer); | |
| 1714 if (model !is null) { | |
| 1715 fIsActive= true; | |
| 1716 setModel(model); | |
| 1717 } | |
| 1718 } else if (isRepaintReason(reason)) | |
| 1719 updatePainting(null); | |
| 1720 } | |
| 1721 | |
| 1722 /* | |
| 1723 * @see dwtx.jface.text.IPainter#setPositionManager(dwtx.jface.text.IPaintPositionManager) | |
| 1724 */ | |
| 1725 public void setPositionManager(IPaintPositionManager manager) { | |
| 1726 } | |
| 1727 } |