Mercurial > projects > dwt-addons
annotate dwtx/jface/internal/text/revisions/RevisionPainter.d @ 158:25f1f92fa3df
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| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Tue, 26 Aug 2008 02:46:34 +0200 |
| parents | f70d9508c95c |
| children | 7926b636c282 |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2006, 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.internal.text.revisions.RevisionPainter; | |
| 14 | |
| 131 | 15 import dwtx.jface.internal.text.revisions.HunkComputer; // packageimport |
| 16 import dwtx.jface.internal.text.revisions.LineIndexOutOfBoundsException; // packageimport | |
| 17 import dwtx.jface.internal.text.revisions.Hunk; // packageimport | |
| 18 import dwtx.jface.internal.text.revisions.Colors; // packageimport | |
| 19 import dwtx.jface.internal.text.revisions.ChangeRegion; // packageimport | |
| 20 import dwtx.jface.internal.text.revisions.Range; // packageimport | |
| 21 import dwtx.jface.internal.text.revisions.RevisionSelectionProvider; // packageimport | |
| 22 | |
| 129 | 23 import dwt.dwthelper.utils; |
|
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24 import dwtx.dwtxhelper.Collection; |
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25 |
| 129 | 26 import dwt.DWT; |
| 27 import dwt.custom.StyledText; | |
| 28 import dwt.events.DisposeEvent; | |
| 29 import dwt.events.DisposeListener; | |
| 30 import dwt.events.MouseEvent; | |
| 31 import dwt.events.MouseMoveListener; | |
| 32 import dwt.events.MouseTrackListener; | |
| 33 import dwt.graphics.Color; | |
| 34 import dwt.graphics.FontMetrics; | |
| 35 import dwt.graphics.GC; | |
| 36 import dwt.graphics.Point; | |
| 37 import dwt.graphics.RGB; | |
| 38 import dwt.graphics.Rectangle; | |
| 39 import dwt.widgets.Canvas; | |
| 40 import dwt.widgets.Control; | |
| 41 import dwt.widgets.Display; | |
| 42 import dwt.widgets.Event; | |
| 43 import dwt.widgets.Listener; | |
| 44 import dwt.widgets.Shell; | |
| 45 import dwtx.core.runtime.Assert; | |
| 46 import dwtx.core.runtime.ListenerList; | |
| 47 import dwtx.core.runtime.Platform; | |
| 48 import dwtx.jface.internal.text.html.BrowserInformationControl; | |
| 49 import dwtx.jface.internal.text.html.HTMLPrinter; | |
| 50 import dwtx.jface.resource.JFaceResources; | |
| 51 import dwtx.jface.text.AbstractReusableInformationControlCreator; | |
| 52 import dwtx.jface.text.BadLocationException; | |
| 53 import dwtx.jface.text.DefaultInformationControl; | |
| 54 import dwtx.jface.text.IDocument; | |
| 55 import dwtx.jface.text.IInformationControl; | |
| 56 import dwtx.jface.text.IInformationControlCreator; | |
| 57 import dwtx.jface.text.IRegion; | |
| 58 import dwtx.jface.text.ITextViewer; | |
| 59 import dwtx.jface.text.ITextViewerExtension5; | |
| 60 import dwtx.jface.text.JFaceTextUtil; | |
| 61 import dwtx.jface.text.Position; | |
| 62 import dwtx.jface.text.Region; | |
| 63 import dwtx.jface.text.information.IInformationProviderExtension2; | |
| 64 import dwtx.jface.text.revisions.IRevisionListener; | |
| 65 import dwtx.jface.text.revisions.IRevisionRulerColumnExtension; | |
| 66 import dwtx.jface.text.revisions.Revision; | |
| 67 import dwtx.jface.text.revisions.RevisionEvent; | |
| 68 import dwtx.jface.text.revisions.RevisionInformation; | |
| 69 import dwtx.jface.text.revisions.RevisionRange; | |
| 158 | 70 import dwtx.jface.text.revisions.IRevisionRulerColumnExtension; |
| 129 | 71 import dwtx.jface.text.source.Annotation; |
| 72 import dwtx.jface.text.source.CompositeRuler; | |
| 73 import dwtx.jface.text.source.IAnnotationHover; | |
| 74 import dwtx.jface.text.source.IAnnotationHoverExtension; | |
| 75 import dwtx.jface.text.source.IAnnotationHoverExtension2; | |
| 76 import dwtx.jface.text.source.IAnnotationModel; | |
| 77 import dwtx.jface.text.source.IAnnotationModelExtension; | |
| 78 import dwtx.jface.text.source.IAnnotationModelListener; | |
| 79 import dwtx.jface.text.source.IChangeRulerColumn; | |
| 80 import dwtx.jface.text.source.ILineDiffer; | |
| 81 import dwtx.jface.text.source.ILineRange; | |
| 82 import dwtx.jface.text.source.ISharedTextColors; | |
| 83 import dwtx.jface.text.source.ISourceViewer; | |
| 84 import dwtx.jface.text.source.IVerticalRulerColumn; | |
| 85 import dwtx.jface.text.source.LineRange; | |
| 86 | |
| 87 | |
| 88 /** | |
| 89 * A strategy for painting the live annotate colors onto the vertical ruler column. It also manages | |
| 90 * the revision hover. | |
| 150 | 91 * |
| 129 | 92 * @since 3.2 |
| 93 */ | |
| 94 public final class RevisionPainter { | |
| 95 /** Tells whether this class is in debug mode. */ | |
| 96 private static bool DEBUG= "true".equalsIgnoreCase(Platform.getDebugOption("dwtx.jface.text.source/debug/RevisionRulerColumn")); //$NON-NLS-1$//$NON-NLS-2$ | |
| 97 | |
| 98 // RGBs provided by UI Designer | |
| 147 | 99 private static const RGB BY_DATE_START_COLOR= new RGB(199, 134, 57); |
| 100 private static const RGB BY_DATE_END_COLOR= new RGB(241, 225, 206); | |
| 129 | 101 |
| 150 | 102 |
| 129 | 103 /** |
| 104 * The annotations created to show a revision in the overview ruler. | |
| 105 */ | |
| 106 private static final class RevisionAnnotation : Annotation { | |
|
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107 public this(String text) { |
| 129 | 108 super("dwtx.ui.workbench.texteditor.revisionAnnotation", false, text); //$NON-NLS-1$ |
| 109 } | |
| 110 } | |
| 111 | |
| 112 /** | |
| 113 * The color tool manages revision colors and computes shaded colors based on the relative age | |
| 114 * and author of a revision. | |
| 115 */ | |
| 116 private final class ColorTool { | |
| 117 /** | |
| 118 * The average perceived intensity of a base color. 0 means black, 1 means white. A base | |
| 119 * revision color perceived as light such as yellow will be darkened, while colors perceived | |
| 120 * as dark such as blue will be lightened up. | |
| 121 */ | |
| 147 | 122 private static const float AVERAGE_INTENSITY= 0.5f; |
| 129 | 123 /** |
| 124 * The maximum shading in [0, 1] - this is the shade that the most recent revision will | |
| 125 * receive. | |
| 126 */ | |
| 147 | 127 private static const float MAX_SHADING= 0.7f; |
| 129 | 128 /** |
| 129 * The minimum shading in [0, 1] - this is the shade that the oldest revision will receive. | |
| 130 */ | |
| 147 | 131 private static const float MIN_SHADING= 0.2f; |
| 129 | 132 /** |
| 133 * The shade for the focus boxes. | |
| 134 */ | |
| 147 | 135 private static const float FOCUS_COLOR_SHADING= 1f; |
| 129 | 136 |
| 137 | |
| 138 /** | |
| 139 * A list of {@link Long}, storing the age of each revision in a sorted list. | |
| 140 */ | |
| 141 private List fRevisions; | |
| 142 /** | |
| 143 * The stored shaded colors. | |
| 144 */ | |
| 146 | 145 private const Map fColors= new HashMap(); |
| 129 | 146 /** |
| 147 * The stored focus colors. | |
| 148 */ | |
| 146 | 149 private const Map fFocusColors= new HashMap(); |
| 129 | 150 |
| 151 /** | |
| 152 * Sets the revision information, which is needed to compute the relative age of a revision. | |
| 150 | 153 * |
| 129 | 154 * @param info the new revision info, <code>null</code> for none. |
| 155 */ | |
| 156 public void setInfo(RevisionInformation info) { | |
| 157 fRevisions= null; | |
| 158 fColors.clear(); | |
| 159 fFocusColors.clear(); | |
| 150 | 160 |
| 129 | 161 if (info is null) |
| 162 return; | |
| 163 List revisions= new ArrayList(); | |
| 164 for (Iterator it= info.getRevisions().iterator(); it.hasNext();) { | |
| 134 | 165 Revision revision= cast(Revision) it.next(); |
| 129 | 166 revisions.add(new Long(computeAge(revision))); |
| 167 } | |
| 168 Collections.sort(revisions); | |
| 169 fRevisions= revisions; | |
| 170 } | |
| 171 | |
| 172 private RGB adaptColor(Revision revision, bool focus) { | |
| 173 RGB rgb; | |
| 174 float scale; | |
| 175 if (fRenderingMode is IRevisionRulerColumnExtension.AGE) { | |
| 176 int index= computeAgeIndex(revision); | |
| 177 if (index is -1 || fRevisions.size() is 0) { | |
| 178 rgb= getBackground().getRGB(); | |
| 179 } else { | |
| 180 // gradient from intense red for most recent to faint yellow for oldest | |
| 181 RGB[] gradient= Colors.palette(BY_DATE_START_COLOR, BY_DATE_END_COLOR, fRevisions.size()); | |
| 182 rgb= gradient[gradient.length - index - 1]; | |
| 183 } | |
| 184 scale= 0.99f; | |
| 185 } else if (fRenderingMode is IRevisionRulerColumnExtension.AUTHOR) { | |
| 186 rgb= revision.getColor(); | |
| 187 rgb= Colors.adjustBrightness(rgb, AVERAGE_INTENSITY); | |
| 188 scale= 0.6f; | |
| 189 } else if (fRenderingMode is IRevisionRulerColumnExtension.AUTHOR_SHADED_BY_AGE) { | |
| 190 rgb= revision.getColor(); | |
| 191 rgb= Colors.adjustBrightness(rgb, AVERAGE_INTENSITY); | |
| 192 int index= computeAgeIndex(revision); | |
| 193 int size= fRevisions.size(); | |
| 194 // relative age: newest is 0, oldest is 1 | |
| 195 // if there is only one revision, use an intermediate value to avoid extreme coloring | |
| 196 if (index is -1 || size < 2) | |
| 197 scale= 0.5f; | |
| 198 else | |
| 134 | 199 scale= cast(float) index / (size - 1); |
| 129 | 200 } else { |
| 201 Assert.isTrue(false); | |
| 202 return null; // dummy | |
| 203 } | |
| 204 rgb= getShadedColor(rgb, scale, focus); | |
| 205 return rgb; | |
| 206 } | |
| 207 | |
| 208 private int computeAgeIndex(Revision revision) { | |
| 209 long age= computeAge(revision); | |
| 210 int index= fRevisions.indexOf(new Long(age)); | |
| 211 return index; | |
| 212 } | |
| 150 | 213 |
| 129 | 214 private RGB getShadedColor(RGB color, float scale, bool focus) { |
| 215 Assert.isLegal(scale >= 0.0); | |
| 216 Assert.isLegal(scale <= 1.0); | |
| 217 RGB background= getBackground().getRGB(); | |
| 218 | |
| 219 // normalize to lie within [MIN_SHADING, MAX_SHADING] | |
| 220 // use more intense colors if the ruler is narrow (i.e. not showing line numbers) | |
| 221 bool makeIntense= getWidth() <= 15; | |
| 222 float intensityShift= makeIntense ? 0.3f : 0f; | |
| 223 float max= MAX_SHADING + intensityShift; | |
| 224 float min= MIN_SHADING + intensityShift; | |
| 225 scale= (max - min) * scale + min; | |
| 226 | |
| 227 // focus coloring | |
| 228 if (focus) { | |
| 229 scale += FOCUS_COLOR_SHADING; | |
| 230 if (scale > 1) { | |
| 231 background= new RGB(255 - background.red, 255 - background.green, 255 - background.blue); | |
| 232 scale= 2 - scale; | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 return Colors.blend(background, color, scale); | |
| 237 } | |
| 238 | |
| 239 private long computeAge(Revision revision) { | |
| 240 return revision.getDate().getTime(); | |
| 241 } | |
| 242 | |
| 243 /** | |
| 244 * Returns the color for a revision based on relative age and author. | |
| 150 | 245 * |
| 129 | 246 * @param revision the revision |
| 247 * @param focus <code>true</code> to return the focus color | |
| 248 * @return the color for a revision | |
| 249 */ | |
| 250 public RGB getColor(Revision revision, bool focus) { | |
| 251 Map map= focus ? fFocusColors : fColors; | |
| 134 | 252 RGB color= cast(RGB) map.get(revision); |
| 129 | 253 if (color !is null) |
| 254 return color; | |
| 150 | 255 |
| 129 | 256 color= adaptColor(revision, focus); |
| 257 map.put(revision, color); | |
| 258 return color; | |
| 259 } | |
| 260 } | |
| 261 | |
| 262 /** | |
| 263 * Handles all the mouse interaction in this line number ruler column. | |
| 264 */ | |
| 265 private class MouseHandler : MouseMoveListener, MouseTrackListener, Listener { | |
| 266 | |
| 267 private RevisionRange fMouseDownRegion; | |
| 150 | 268 |
| 129 | 269 private void handleMouseUp(Event e) { |
| 270 if (e.button is 1) { | |
| 271 RevisionRange upRegion= fFocusRange; | |
| 272 RevisionRange downRegion= fMouseDownRegion; | |
| 273 fMouseDownRegion= null; | |
| 274 | |
| 275 if (upRegion is downRegion) { | |
| 276 Revision revision= upRegion is null ? null : upRegion.getRevision(); | |
| 277 if (revision is fSelectedRevision) | |
| 278 revision= null; // deselect already selected revision | |
| 279 handleRevisionSelected(revision); | |
| 280 } | |
| 281 } | |
| 282 } | |
| 283 | |
| 284 private void handleMouseDown(Event e) { | |
| 285 if (e.button is 3) | |
| 286 updateFocusRevision(null); // kill any focus as the ctx menu is going to show | |
| 287 if (e.button is 1) { | |
| 288 fMouseDownRegion= fFocusRange; | |
| 289 postRedraw(); | |
| 290 } | |
| 291 } | |
| 292 | |
| 293 /* | |
| 294 * @see dwt.widgets.Listener#handleEvent(dwt.widgets.Event) | |
| 295 */ | |
| 296 public void handleEvent(Event event) { | |
| 297 switch (event.type) { | |
| 298 case DWT.MouseWheel: | |
| 299 handleMouseWheel(event); | |
| 300 break; | |
| 301 case DWT.MouseDown: | |
| 302 handleMouseDown(event); | |
| 303 break; | |
| 304 case DWT.MouseUp: | |
| 305 handleMouseUp(event); | |
| 306 break; | |
| 307 default: | |
| 308 Assert.isLegal(false); | |
| 309 } | |
| 310 } | |
| 311 | |
| 312 /* | |
| 313 * @see dwt.events.MouseTrackListener#mouseEnter(dwt.events.MouseEvent) | |
| 314 */ | |
| 315 public void mouseEnter(MouseEvent e) { | |
| 316 updateFocusLine(toDocumentLineNumber(e.y)); | |
| 317 } | |
| 318 | |
| 319 /* | |
| 320 * @see dwt.events.MouseTrackListener#mouseExit(dwt.events.MouseEvent) | |
| 321 */ | |
| 322 public void mouseExit(MouseEvent e) { | |
| 323 updateFocusLine(-1); | |
| 324 } | |
| 325 | |
| 326 /* | |
| 327 * @see dwt.events.MouseTrackListener#mouseHover(dwt.events.MouseEvent) | |
| 328 */ | |
| 329 public void mouseHover(MouseEvent e) { | |
| 330 } | |
| 331 | |
| 332 /* | |
| 333 * @see dwt.events.MouseMoveListener#mouseMove(dwt.events.MouseEvent) | |
| 334 */ | |
| 335 public void mouseMove(MouseEvent e) { | |
| 336 updateFocusLine(toDocumentLineNumber(e.y)); | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 /** | |
| 341 * Internal listener class that will update the ruler when the underlying model changes. | |
| 342 */ | |
| 343 private class AnnotationListener : IAnnotationModelListener { | |
| 344 /* | |
| 345 * @see dwtx.jface.text.source.IAnnotationModelListener#modelChanged(dwtx.jface.text.source.IAnnotationModel) | |
| 346 */ | |
| 347 public void modelChanged(IAnnotationModel model) { | |
| 348 clearRangeCache(); | |
| 349 postRedraw(); | |
| 350 } | |
| 351 | |
| 352 } | |
| 353 | |
| 354 /** | |
| 355 * The information control creator. | |
| 356 */ | |
| 357 private static final class HoverInformationControlCreator : AbstractReusableInformationControlCreator { | |
| 358 private bool fIsFocusable; | |
| 150 | 359 |
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360 public this(bool isFocusable) { |
| 129 | 361 fIsFocusable= isFocusable; |
| 362 } | |
| 363 | |
| 364 /* | |
| 365 * @see dwtx.jface.internal.text.revisions.AbstractReusableInformationControlCreator#doCreateInformationControl(dwt.widgets.Shell) | |
| 366 */ | |
| 367 protected IInformationControl doCreateInformationControl(Shell parent) { | |
| 368 if (BrowserInformationControl.isAvailable(parent)) { | |
| 135 | 369 return new class(parent, JFaceResources.DIALOG_FONT, fIsFocusable) BrowserInformationControl { |
| 129 | 370 /* |
| 371 * @see dwtx.jface.internal.text.html.BrowserInformationControl#setInformation(java.lang.String) | |
| 372 * @since 3.3 | |
| 373 */ | |
| 374 public void setInformation(String content) { | |
| 375 content= addCSSToHTMLFragment(content); | |
| 376 super.setInformation(content); | |
| 377 } | |
| 150 | 378 |
| 129 | 379 /** |
| 380 * Adds a HTML header and CSS info if <code>html</code> is only an HTML fragment (has no | |
| 381 * <html> section). | |
| 150 | 382 * |
| 129 | 383 * @param html the html / text produced by a revision |
| 384 * @return modified html | |
| 385 */ | |
| 386 private String addCSSToHTMLFragment(String html) { | |
| 387 int max= Math.min(100, html.length()); | |
| 388 if (html.substring(0, max).indexOf("<html>") !is -1) //$NON-NLS-1$ | |
| 389 // there is already a header | |
| 390 return html; | |
| 150 | 391 |
| 129 | 392 StringBuffer info= new StringBuffer(512 + html.length()); |
| 393 HTMLPrinter.insertPageProlog(info, 0, fgStyleSheet); | |
| 394 info.append(html); | |
| 395 HTMLPrinter.addPageEpilog(info); | |
| 396 return info.toString(); | |
| 397 } | |
| 150 | 398 |
| 129 | 399 }; |
| 400 } | |
| 401 return new DefaultInformationControl(parent, fIsFocusable); | |
| 402 } | |
| 403 | |
| 404 /* | |
| 405 * @see dwtx.jface.text.AbstractReusableInformationControlCreator#canReplace(dwtx.jface.text.IInformationControlCreator) | |
| 406 */ | |
| 407 public bool canReplace(IInformationControlCreator creator) { | |
| 408 return creator.getClass() is getClass() | |
| 134 | 409 && (cast(HoverInformationControlCreator) creator).fIsFocusable is fIsFocusable; |
| 129 | 410 } |
| 411 } | |
| 412 | |
| 413 private static final String fgStyleSheet= "/* Font definitions */\n" + //$NON-NLS-1$ | |
| 414 "body, h1, h2, h3, h4, h5, h6, p, table, td, caption, th, ul, ol, dl, li, dd, dt {font-family: sans-serif; font-size: 9pt }\n" + //$NON-NLS-1$ | |
| 415 "pre { font-family: monospace; font-size: 9pt }\n" + //$NON-NLS-1$ | |
| 416 "\n" + //$NON-NLS-1$ | |
| 417 "/* Margins */\n" + //$NON-NLS-1$ | |
| 418 "body { overflow: auto; margin-top: 0; margin-bottom: 4; margin-left: 3; margin-right: 0 }\n" + //$NON-NLS-1$ | |
| 419 "h1 { margin-top: 5; margin-bottom: 1 } \n" + //$NON-NLS-1$ | |
| 420 "h2 { margin-top: 25; margin-bottom: 3 }\n" + //$NON-NLS-1$ | |
| 421 "h3 { margin-top: 20; margin-bottom: 3 }\n" + //$NON-NLS-1$ | |
| 422 "h4 { margin-top: 20; margin-bottom: 3 }\n" + //$NON-NLS-1$ | |
| 423 "h5 { margin-top: 0; margin-bottom: 0 }\n" + //$NON-NLS-1$ | |
| 424 "p { margin-top: 10px; margin-bottom: 10px }\n" + //$NON-NLS-1$ | |
| 425 "pre { margin-left: 6 }\n" + //$NON-NLS-1$ | |
| 426 "ul { margin-top: 0; margin-bottom: 10 }\n" + //$NON-NLS-1$ | |
| 427 "li { margin-top: 0; margin-bottom: 0 } \n" + //$NON-NLS-1$ | |
| 428 "li p { margin-top: 0; margin-bottom: 0 } \n" + //$NON-NLS-1$ | |
| 429 "ol { margin-top: 0; margin-bottom: 10 }\n" + //$NON-NLS-1$ | |
| 430 "dl { margin-top: 0; margin-bottom: 10 }\n" + //$NON-NLS-1$ | |
| 431 "dt { margin-top: 0; margin-bottom: 0; font-weight: bold }\n" + //$NON-NLS-1$ | |
| 432 "dd { margin-top: 0; margin-bottom: 0 }\n" + //$NON-NLS-1$ | |
| 433 "\n" + //$NON-NLS-1$ | |
| 434 "/* Styles and colors */\n" + //$NON-NLS-1$ | |
| 435 "a:link { color: #0000FF }\n" + //$NON-NLS-1$ | |
| 436 "a:hover { color: #000080 }\n" + //$NON-NLS-1$ | |
| 437 "a:visited { text-decoration: underline }\n" + //$NON-NLS-1$ | |
| 438 "h4 { font-style: italic }\n" + //$NON-NLS-1$ | |
| 439 "strong { font-weight: bold }\n" + //$NON-NLS-1$ | |
| 440 "em { font-style: italic }\n" + //$NON-NLS-1$ | |
| 441 "var { font-style: italic }\n" + //$NON-NLS-1$ | |
| 442 "th { font-weight: bold }\n" + //$NON-NLS-1$ | |
| 443 ""; //$NON-NLS-1$ | |
| 150 | 444 |
| 129 | 445 /** |
| 446 * The revision hover displays information about the currently selected revision. | |
| 447 */ | |
| 448 private final class RevisionHover : IAnnotationHover, IAnnotationHoverExtension, IAnnotationHoverExtension2, IInformationProviderExtension2 { | |
| 150 | 449 |
| 129 | 450 /* |
| 451 * @see dwtx.jface.text.source.IAnnotationHover#getHoverInfo(dwtx.jface.text.source.ISourceViewer, | |
| 452 * int) | |
| 453 */ | |
| 454 public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) { | |
| 455 Object info= getHoverInfo(sourceViewer, getHoverLineRange(sourceViewer, lineNumber), 0); | |
| 456 return info is null ? null : info.toString(); | |
| 457 } | |
| 458 | |
| 459 /* | |
| 460 * @see dwtx.jface.text.source.IAnnotationHoverExtension#getHoverControlCreator() | |
| 461 */ | |
| 462 public IInformationControlCreator getHoverControlCreator() { | |
| 463 RevisionInformation revisionInfo= fRevisionInfo; | |
| 464 if (revisionInfo !is null) { | |
| 465 IInformationControlCreator creator= revisionInfo.getHoverControlCreator(); | |
| 466 if (creator !is null) | |
| 467 return creator; | |
| 468 } | |
| 469 return new HoverInformationControlCreator(false); | |
| 470 } | |
| 471 | |
| 472 /* | |
| 473 * @see dwtx.jface.text.source.IAnnotationHoverExtension#canHandleMouseCursor() | |
| 474 */ | |
| 475 public bool canHandleMouseCursor() { | |
| 476 return false; | |
| 477 } | |
| 478 | |
| 479 /* | |
| 480 * @see dwtx.jface.text.source.IAnnotationHoverExtension2#canHandleMouseWheel() | |
| 481 */ | |
| 482 public bool canHandleMouseWheel() { | |
| 483 return true; | |
| 484 } | |
| 485 | |
| 486 /* | |
| 487 * @see dwtx.jface.text.source.IAnnotationHoverExtension#getHoverInfo(dwtx.jface.text.source.ISourceViewer, | |
| 488 * dwtx.jface.text.source.ILineRange, int) | |
| 489 */ | |
| 490 public Object getHoverInfo(ISourceViewer sourceViewer, ILineRange lineRange, int visibleNumberOfLines) { | |
| 491 RevisionRange range= getRange(lineRange.getStartLine()); | |
| 492 Object info= range is null ? null : range.getRevision().getHoverInfo(); | |
| 493 return info; | |
| 494 } | |
| 495 | |
| 496 /* | |
| 497 * @see dwtx.jface.text.source.IAnnotationHoverExtension#getHoverLineRange(dwtx.jface.text.source.ISourceViewer, | |
| 498 * int) | |
| 499 */ | |
| 500 public ILineRange getHoverLineRange(ISourceViewer viewer, int lineNumber) { | |
| 501 RevisionRange range= getRange(lineNumber); | |
| 502 return range is null ? null : new LineRange(lineNumber, 1); | |
| 503 } | |
| 504 | |
| 505 /* | |
| 506 * @see dwtx.jface.text.information.IInformationProviderExtension2#getInformationPresenterControlCreator() | |
| 507 */ | |
| 508 public IInformationControlCreator getInformationPresenterControlCreator() { | |
| 509 RevisionInformation revisionInfo= fRevisionInfo; | |
| 510 if (revisionInfo !is null) { | |
| 511 IInformationControlCreator creator= revisionInfo.getInformationPresenterControlCreator(); | |
| 512 if (creator !is null) | |
| 513 return creator; | |
| 514 } | |
| 515 return new HoverInformationControlCreator(true); | |
| 516 } | |
| 517 } | |
| 518 | |
| 519 /* Listeners and helpers. */ | |
| 520 | |
| 521 /** The shared color provider. */ | |
| 146 | 522 private const ISharedTextColors fSharedColors; |
| 129 | 523 /** The color tool. */ |
| 146 | 524 private const ColorTool fColorTool= new ColorTool(); |
| 129 | 525 /** The mouse handler. */ |
| 146 | 526 private const MouseHandler fMouseHandler= new MouseHandler(); |
| 129 | 527 /** The hover. */ |
| 146 | 528 private const RevisionHover fHover= new RevisionHover(); |
| 129 | 529 /** The annotation listener. */ |
| 146 | 530 private const AnnotationListener fAnnotationListener= new AnnotationListener(); |
| 129 | 531 /** The selection provider. */ |
| 146 | 532 private const RevisionSelectionProvider fRevisionSelectionProvider= new RevisionSelectionProvider(this); |
| 129 | 533 /** |
| 534 * The list of revision listeners. | |
| 535 * @since 3.3. | |
| 536 */ | |
| 146 | 537 private const ListenerList fRevisionListeners= new ListenerList(ListenerList.IDENTITY); |
| 129 | 538 |
| 539 /* The context - column and viewer we are connected to. */ | |
| 540 | |
| 541 /** The vertical ruler column that delegates painting to this painter. */ | |
| 146 | 542 private const IVerticalRulerColumn fColumn; |
| 129 | 543 /** The parent ruler. */ |
| 544 private CompositeRuler fParentRuler; | |
| 545 /** The column's control, typically a {@link Canvas}, possibly <code>null</code>. */ | |
| 546 private Control fControl; | |
| 547 /** The text viewer that the column is attached to. */ | |
| 548 private ITextViewer fViewer; | |
| 549 /** The viewer's text widget. */ | |
| 550 private StyledText fWidget; | |
| 551 | |
| 552 /* The models we operate on. */ | |
| 553 | |
| 554 /** The revision model object. */ | |
| 555 private RevisionInformation fRevisionInfo; | |
| 556 /** The line differ. */ | |
| 557 private ILineDiffer fLineDiffer= null; | |
| 558 /** The annotation model. */ | |
| 559 private IAnnotationModel fAnnotationModel= null; | |
| 560 /** The background color, possibly <code>null</code>. */ | |
| 561 private Color fBackground; | |
| 562 | |
| 563 /* Cache. */ | |
| 564 | |
| 565 /** The cached list of ranges adapted to quick diff. */ | |
| 566 private List fRevisionRanges= null; | |
| 567 /** The annotations created for the overview ruler temporary display. */ | |
| 568 private List fAnnotations= new ArrayList(); | |
| 569 | |
| 570 /* State */ | |
| 571 | |
| 572 /** The current focus line, -1 for none. */ | |
| 573 private int fFocusLine= -1; | |
| 574 /** The current focus region, <code>null</code> if none. */ | |
| 575 private RevisionRange fFocusRange= null; | |
| 576 /** The current focus revision, <code>null</code> if none. */ | |
| 577 private Revision fFocusRevision= null; | |
| 578 /** | |
| 579 * The currently selected revision, <code>null</code> if none. The difference between | |
| 580 * {@link #fFocusRevision} and {@link #fSelectedRevision} may not be obvious: the focus revision | |
| 581 * is the one focused by the mouse (by hovering over a block of the revision), while the | |
| 582 * selected revision is sticky, i.e. is not removed when the mouse leaves the ruler. | |
| 583 * | |
| 584 * @since 3.3 | |
| 585 */ | |
| 586 private Revision fSelectedRevision= null; | |
| 587 /** <code>true</code> if the mouse wheel handler is installed, <code>false</code> otherwise. */ | |
| 588 private bool fWheelHandlerInstalled= false; | |
| 589 /** | |
| 590 * The revision rendering mode. | |
| 591 */ | |
| 158 | 592 private IRevisionRulerColumnExtension.RenderingMode fRenderingMode= IRevisionRulerColumnExtension.AUTHOR_SHADED_BY_AGE; |
| 129 | 593 /** |
| 594 * The required with in characters. | |
| 595 * @since 3.3 | |
| 596 */ | |
| 597 private int fRequiredWidth= -1; | |
| 598 /** | |
| 599 * The width of the revision field in chars to compute {@link #fAuthorInset} from. | |
| 600 * @since 3.3 | |
| 601 */ | |
| 602 private int fRevisionIdChars= 0; | |
| 603 /** | |
| 604 * <code>true</code> to show revision ids, <code>false</code> otherwise. | |
| 605 * @since 3.3 | |
| 606 */ | |
| 607 private bool fShowRevision= false; | |
| 608 /** | |
| 609 * <code>true</code> to show the author, <code>false</code> otherwise. | |
| 610 * @since 3.3 | |
| 611 */ | |
| 612 private bool fShowAuthor= false; | |
| 613 /** | |
| 614 * The author inset in pixels for when author *and* revision id are shown. | |
| 615 * @since 3.3 | |
| 616 */ | |
| 617 private int fAuthorInset; | |
| 618 /** | |
| 619 * The remembered ruler width (as changing the ruler width triggers recomputation of the colors. | |
| 620 * @since 3.3 | |
| 621 */ | |
| 622 private int fLastWidth= -1; | |
| 623 | |
| 624 /** | |
| 625 * Creates a new revision painter for a vertical ruler column. | |
| 150 | 626 * |
| 129 | 627 * @param column the column that will delegate{@link #paint(GC, ILineRange) painting} to the |
| 628 * newly created painter. | |
| 629 * @param sharedColors a shared colors object to store shaded colors in | |
| 630 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
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changeset
|
631 public this(IVerticalRulerColumn column, ISharedTextColors sharedColors) { |
| 129 | 632 Assert.isLegal(column !is null); |
| 633 Assert.isLegal(sharedColors !is null); | |
| 634 fColumn= column; | |
| 635 fSharedColors= sharedColors; | |
| 636 } | |
| 637 | |
| 638 /** | |
| 639 * Sets the revision information to be drawn and triggers a redraw. | |
| 150 | 640 * |
| 129 | 641 * @param info the revision information to show, <code>null</code> to draw none |
| 642 */ | |
| 643 public void setRevisionInformation(RevisionInformation info) { | |
| 644 if (fRevisionInfo !is info) { | |
| 645 fRequiredWidth= -1; | |
| 646 fRevisionIdChars= 0; | |
| 647 fRevisionInfo= info; | |
| 648 clearRangeCache(); | |
| 649 updateFocusRange(null); | |
| 134 | 650 handleRevisionSelected(cast(Revision) null); |
| 129 | 651 fColorTool.setInfo(info); |
| 652 postRedraw(); | |
| 653 informListeners(); | |
| 654 } | |
| 655 } | |
| 656 | |
| 657 /** | |
| 658 * Changes the rendering mode and triggers redrawing if needed. | |
| 150 | 659 * |
| 129 | 660 * @param renderingMode the rendering mode |
| 661 * @since 3.3 | |
| 662 */ | |
| 158 | 663 public void setRenderingMode(IRevisionRulerColumnExtension.RenderingMode renderingMode) { |
| 129 | 664 Assert.isLegal(renderingMode !is null); |
| 665 if (fRenderingMode !is renderingMode) { | |
| 666 fRenderingMode= renderingMode; | |
| 667 fColorTool.setInfo(fRevisionInfo); | |
| 668 postRedraw(); | |
| 669 } | |
| 670 } | |
| 671 | |
| 672 /** | |
| 673 * Sets the background color. | |
| 150 | 674 * |
| 129 | 675 * @param background the background color, <code>null</code> for the platform's list |
| 676 * background | |
| 677 */ | |
| 678 public void setBackground(Color background) { | |
| 679 fBackground= background; | |
| 680 } | |
| 681 | |
| 682 /** | |
| 683 * Sets the parent ruler - the delegating column must call this method as soon as it creates its | |
| 684 * control. | |
| 150 | 685 * |
| 129 | 686 * @param parentRuler the parent ruler |
| 687 */ | |
| 688 public void setParentRuler(CompositeRuler parentRuler) { | |
| 689 fParentRuler= parentRuler; | |
| 690 } | |
| 691 | |
| 692 /** | |
| 693 * Delegates the painting of the quick diff colors to this painter. The painter will draw the | |
| 694 * color boxes onto the passed {@link GC} for all model (document) lines in | |
| 695 * <code>visibleModelLines</code>. | |
| 150 | 696 * |
| 129 | 697 * @param gc the {@link GC} to draw onto |
| 698 * @param visibleLines the lines (in document offsets) that are currently (perhaps only | |
| 699 * partially) visible | |
| 700 */ | |
| 701 public void paint(GC gc, ILineRange visibleLines) { | |
| 702 connectIfNeeded(); | |
| 703 if (!isConnected()) | |
| 704 return; | |
| 705 | |
| 706 // compute the horizontal indent of the author for the case that we show revision | |
| 707 // and author | |
| 708 if (fShowAuthor && fShowRevision) { | |
| 709 char[] string= new char[fRevisionIdChars + 1]; | |
| 710 Arrays.fill(string, '9'); | |
| 711 if (string.length > 1) { | |
| 712 string[0]= '.'; | |
| 713 string[1]= ' '; | |
| 714 } | |
| 715 fAuthorInset= gc.stringExtent(new String(string)).x; | |
| 716 } | |
| 150 | 717 |
| 129 | 718 // recompute colors (show intense colors if ruler is narrow) |
| 719 int width= getWidth(); | |
| 720 if (width !is fLastWidth) { | |
| 721 fColorTool.setInfo(fRevisionInfo); | |
| 722 fLastWidth= width; | |
| 723 } | |
| 150 | 724 |
| 129 | 725 // draw change regions |
| 726 List/* <RevisionRange> */ranges= getRanges(visibleLines); | |
| 727 for (Iterator it= ranges.iterator(); it.hasNext();) { | |
| 134 | 728 RevisionRange region= cast(RevisionRange) it.next(); |
| 129 | 729 paintRange(region, gc); |
| 730 } | |
| 731 } | |
| 732 | |
| 733 /** | |
| 734 * Ensures that the column is fully instantiated, i.e. has a control, and that the viewer is | |
| 735 * visible. | |
| 736 */ | |
| 737 private void connectIfNeeded() { | |
| 738 if (isConnected() || fParentRuler is null) | |
| 739 return; | |
| 740 | |
| 741 fViewer= fParentRuler.getTextViewer(); | |
| 742 if (fViewer is null) | |
| 743 return; | |
| 744 | |
| 745 fWidget= fViewer.getTextWidget(); | |
| 746 if (fWidget is null) | |
| 747 return; | |
| 748 | |
| 749 fControl= fColumn.getControl(); | |
| 750 if (fControl is null) | |
| 751 return; | |
| 752 | |
| 753 fControl.addMouseTrackListener(fMouseHandler); | |
| 754 fControl.addMouseMoveListener(fMouseHandler); | |
| 755 fControl.addListener(DWT.MouseUp, fMouseHandler); | |
| 756 fControl.addListener(DWT.MouseDown, fMouseHandler); | |
| 135 | 757 fControl.addDisposeListener(new class() DisposeListener { |
| 129 | 758 /* |
| 759 * @see dwt.events.DisposeListener#widgetDisposed(dwt.events.DisposeEvent) | |
| 760 */ | |
| 761 public void widgetDisposed(DisposeEvent e) { | |
| 762 handleDispose(); | |
| 763 } | |
| 764 }); | |
| 150 | 765 |
| 129 | 766 fRevisionSelectionProvider.install(fViewer); |
| 767 } | |
| 768 | |
| 769 /** | |
| 770 * Returns <code>true</code> if the column is fully connected. | |
| 150 | 771 * |
| 129 | 772 * @return <code>true</code> if the column is fully connected, false otherwise |
| 773 */ | |
| 774 private bool isConnected() { | |
| 775 return fControl !is null; | |
| 776 } | |
| 777 | |
| 778 /** | |
| 779 * Sets the annotation model. | |
| 150 | 780 * |
| 129 | 781 * @param model the annotation model, possibly <code>null</code> |
| 782 * @see IVerticalRulerColumn#setModel(IAnnotationModel) | |
| 783 */ | |
| 784 public void setModel(IAnnotationModel model) { | |
| 785 IAnnotationModel diffModel; | |
| 138 | 786 if ( cast(IAnnotationModelExtension)model ) |
| 134 | 787 diffModel= (cast(IAnnotationModelExtension) model).getAnnotationModel(IChangeRulerColumn.QUICK_DIFF_MODEL_ID); |
| 129 | 788 else |
| 789 diffModel= model; | |
| 790 | |
| 791 setDiffer(diffModel); | |
| 792 setAnnotationModel(model); | |
| 793 } | |
| 794 | |
| 795 /** | |
| 796 * Sets the annotation model. | |
| 150 | 797 * |
| 129 | 798 * @param model the annotation model. |
| 799 */ | |
| 800 private void setAnnotationModel(IAnnotationModel model) { | |
| 801 if (fAnnotationModel !is model) | |
| 802 fAnnotationModel= model; | |
| 803 } | |
| 804 | |
| 805 /** | |
| 806 * Sets the line differ. | |
| 150 | 807 * |
| 129 | 808 * @param differ the line differ or <code>null</code> if none |
| 809 */ | |
| 810 private void setDiffer(IAnnotationModel differ) { | |
| 142 | 811 if ( cast(ILineDiffer)differ || differ is null) { |
| 129 | 812 if (fLineDiffer !is differ) { |
| 813 if (fLineDiffer !is null) | |
| 134 | 814 (cast(IAnnotationModel) fLineDiffer).removeAnnotationModelListener(fAnnotationListener); |
| 815 fLineDiffer= cast(ILineDiffer) differ; | |
| 129 | 816 if (fLineDiffer !is null) |
| 134 | 817 (cast(IAnnotationModel) fLineDiffer).addAnnotationModelListener(fAnnotationListener); |
| 129 | 818 } |
| 819 } | |
| 820 } | |
| 821 | |
| 822 /** | |
| 823 * Disposes of the painter's resources. | |
| 824 */ | |
| 825 private void handleDispose() { | |
| 826 updateFocusLine(-1); | |
| 827 | |
| 828 if (fLineDiffer !is null) { | |
| 134 | 829 (cast(IAnnotationModel) fLineDiffer).removeAnnotationModelListener(fAnnotationListener); |
| 129 | 830 fLineDiffer= null; |
| 831 } | |
| 150 | 832 |
| 129 | 833 fRevisionSelectionProvider.uninstall(); |
| 834 } | |
| 835 | |
| 836 /** | |
| 837 * Paints a single change region onto <code>gc</code>. | |
| 150 | 838 * |
| 129 | 839 * @param range the range to paint |
| 840 * @param gc the {@link GC} to paint on | |
| 841 */ | |
| 842 private void paintRange(RevisionRange range, GC gc) { | |
| 843 ILineRange widgetRange= modelLinesToWidgetLines(range); | |
| 844 if (widgetRange is null) | |
| 845 return; | |
| 846 | |
| 847 Revision revision= range.getRevision(); | |
| 848 bool drawArmedFocus= range is fMouseHandler.fMouseDownRegion; | |
| 849 bool drawSelection= !drawArmedFocus && revision is fSelectedRevision; | |
| 850 bool drawFocus= !drawSelection && !drawArmedFocus && revision is fFocusRevision; | |
| 851 Rectangle box= computeBoxBounds(widgetRange); | |
| 852 | |
| 853 gc.setBackground(lookupColor(revision, false)); | |
| 854 if (drawArmedFocus) { | |
| 855 Color foreground= gc.getForeground(); | |
| 856 Color focusColor= lookupColor(revision, true); | |
| 857 gc.setForeground(focusColor); | |
| 858 gc.fillRectangle(box); | |
| 859 gc.drawRectangle(box.x, box.y, box.width - 1, box.height - 1); // highlight box | |
| 860 gc.drawRectangle(box.x + 1, box.y + 1, box.width - 3, box.height - 3); // inner highlight box | |
| 861 gc.setForeground(foreground); | |
| 862 } else if (drawFocus || drawSelection) { | |
| 863 Color foreground= gc.getForeground(); | |
| 864 Color focusColor= lookupColor(revision, true); | |
| 865 gc.setForeground(focusColor); | |
| 866 gc.fillRectangle(box); | |
| 867 gc.drawRectangle(box.x, box.y, box.width - 1, box.height - 1); // highlight box | |
| 868 gc.setForeground(foreground); | |
| 869 } else { | |
| 870 gc.fillRectangle(box); | |
| 871 } | |
| 872 | |
| 873 if ((fShowAuthor || fShowRevision)) { | |
| 874 int indentation= 1; | |
| 875 int baselineBias= getBaselineBias(gc, widgetRange.getStartLine()); | |
| 876 if (fShowAuthor && fShowRevision) { | |
| 877 gc.drawString(revision.getId(), indentation, box.y + baselineBias, true); | |
| 878 gc.drawString(revision.getAuthor(), fAuthorInset, box.y + baselineBias, true); | |
| 879 } else if (fShowAuthor) { | |
| 880 gc.drawString(revision.getAuthor(), indentation, box.y + baselineBias, true); | |
| 881 } else if (fShowRevision) { | |
| 882 gc.drawString(revision.getId(), indentation, box.y + baselineBias, true); | |
| 883 } | |
| 884 } | |
| 885 } | |
| 886 | |
| 887 /** | |
| 888 * Returns the difference between the baseline of the widget and the | |
| 889 * baseline as specified by the font for <code>gc</code>. When drawing | |
| 890 * line numbers, the returned bias should be added to obtain text lined up | |
| 891 * on the correct base line of the text widget. | |
| 892 * | |
| 893 * @param gc the <code>GC</code> to get the font metrics from | |
| 894 * @param widgetLine the widget line | |
| 895 * @return the baseline bias to use when drawing text that is lined up with | |
| 896 * <code>fCachedTextWidget</code> | |
| 897 * @since 3.3 | |
| 898 */ | |
| 899 private int getBaselineBias(GC gc, int widgetLine) { | |
| 900 /* | |
| 901 * https://bugs.eclipse.org/bugs/show_bug.cgi?id=62951 | |
| 902 * widget line height may be more than the font height used for the | |
| 903 * line numbers, since font styles (bold, italics...) can have larger | |
| 904 * font metrics than the simple font used for the numbers. | |
| 905 */ | |
| 906 int offset= fWidget.getOffsetAtLine(widgetLine); | |
| 907 int widgetBaseline= fWidget.getBaseline(offset); | |
| 150 | 908 |
| 129 | 909 FontMetrics fm = gc.getFontMetrics(); |
| 910 int fontBaseline = fm.getAscent() + fm.getLeading(); | |
| 911 int baselineBias= widgetBaseline - fontBaseline; | |
| 912 return Math.max(0, baselineBias); | |
| 913 } | |
| 150 | 914 |
| 129 | 915 /** |
| 916 * Looks up the color for a certain revision. | |
| 150 | 917 * |
| 129 | 918 * @param revision the revision to get the color for |
| 919 * @param focus <code>true</code> if it is the focus revision | |
| 920 * @return the color for the revision | |
| 921 */ | |
| 922 private Color lookupColor(Revision revision, bool focus) { | |
| 923 return fSharedColors.getColor(fColorTool.getColor(revision, focus)); | |
| 924 } | |
| 925 | |
| 926 /** | |
| 927 * Returns the revision range that contains the given line, or | |
| 928 * <code>null</code> if there is none. | |
| 150 | 929 * |
| 129 | 930 * @param line the line of interest |
| 931 * @return the corresponding <code>RevisionRange</code> or <code>null</code> | |
| 932 */ | |
| 933 private RevisionRange getRange(int line) { | |
| 934 List ranges= getRangeCache(); | |
| 935 | |
| 936 if (ranges.isEmpty() || line is -1) | |
| 937 return null; | |
| 938 | |
| 939 for (Iterator it= ranges.iterator(); it.hasNext();) { | |
| 134 | 940 RevisionRange range= cast(RevisionRange) it.next(); |
| 129 | 941 if (contains(range, line)) |
| 942 return range; | |
| 943 } | |
| 944 | |
| 945 // line may be right after the last region | |
| 134 | 946 RevisionRange lastRegion= cast(RevisionRange) ranges.get(ranges.size() - 1); |
| 129 | 947 if (line is end(lastRegion)) |
| 948 return lastRegion; | |
| 949 return null; | |
| 950 } | |
| 951 | |
| 952 /** | |
| 953 * Returns the sublist of all <code>RevisionRange</code>s that intersect with the given lines. | |
| 150 | 954 * |
| 129 | 955 * @param lines the model based lines of interest |
| 956 * @return elementType: RevisionRange | |
| 957 */ | |
| 958 private List getRanges(ILineRange lines) { | |
| 959 List ranges= getRangeCache(); | |
| 960 | |
| 961 // return the interesting subset | |
| 962 int end= end(lines); | |
| 963 int first= -1, last= -1; | |
| 964 for (int i= 0; i < ranges.size(); i++) { | |
| 134 | 965 RevisionRange range= cast(RevisionRange) ranges.get(i); |
| 129 | 966 int rangeEnd= end(range); |
| 967 if (first is -1 && rangeEnd > lines.getStartLine()) | |
| 968 first= i; | |
| 969 if (first !is -1 && rangeEnd > end) { | |
| 970 last= i; | |
| 971 break; | |
| 972 } | |
| 973 } | |
| 974 if (first is -1) | |
| 975 return Collections.EMPTY_LIST; | |
| 976 if (last is -1) | |
| 977 last= ranges.size() - 1; // bottom index may be one too much | |
| 978 | |
| 979 return ranges.subList(first, last + 1); | |
| 980 } | |
| 981 | |
| 982 /** | |
| 983 * Gets all change ranges of the revisions in the revision model and adapts them to the current | |
| 984 * quick diff information. The list is cached. | |
| 150 | 985 * |
| 129 | 986 * @return the list of all change regions, with diff information applied |
| 987 */ | |
| 988 private List getRangeCache() { | |
| 989 if (fRevisionRanges is null) { | |
| 990 if (fRevisionInfo is null) { | |
| 991 fRevisionRanges= Collections.EMPTY_LIST; | |
| 992 } else { | |
| 993 Hunk[] hunks= HunkComputer.computeHunks(fLineDiffer, fViewer.getDocument().getNumberOfLines()); | |
| 994 fRevisionInfo.applyDiff(hunks); | |
| 995 fRevisionRanges= fRevisionInfo.getRanges(); | |
| 996 updateOverviewAnnotations(); | |
| 997 informListeners(); | |
| 998 } | |
| 999 } | |
| 1000 | |
| 1001 return fRevisionRanges; | |
| 1002 } | |
| 1003 | |
| 1004 /** | |
| 1005 * Clears the range cache. | |
| 1006 * | |
| 1007 * @since 3.3 | |
| 1008 */ | |
| 1009 private void clearRangeCache() { | |
| 1010 fRevisionRanges= null; | |
| 1011 } | |
| 150 | 1012 |
| 129 | 1013 /** |
| 1014 * Returns <code>true</code> if <code>range</code> contains <code>line</code>. A line is | |
| 1015 * not contained in a range if it is the range's exclusive end line. | |
| 150 | 1016 * |
| 129 | 1017 * @param range the range to check whether it contains <code>line</code> |
| 1018 * @param line the line the line | |
| 1019 * @return <code>true</code> if <code>range</code> contains <code>line</code>, | |
| 1020 * <code>false</code> if not | |
| 1021 */ | |
| 1022 private static bool contains(ILineRange range, int line) { | |
| 1023 return range.getStartLine() <= line && end(range) > line; | |
| 1024 } | |
| 1025 | |
| 1026 /** | |
| 1027 * Computes the end index of a line range. | |
| 150 | 1028 * |
| 129 | 1029 * @param range a line range |
| 1030 * @return the last line (exclusive) of <code>range</code> | |
| 1031 */ | |
| 1032 private static int end(ILineRange range) { | |
| 1033 return range.getStartLine() + range.getNumberOfLines(); | |
| 1034 } | |
| 1035 | |
| 1036 /** | |
| 1037 * Returns the visible extent of a document line range in widget lines. | |
| 150 | 1038 * |
| 129 | 1039 * @param range the document line range |
| 1040 * @return the visible extent of <code>range</code> in widget lines | |
| 1041 */ | |
| 1042 private ILineRange modelLinesToWidgetLines(ILineRange range) { | |
| 1043 int widgetStartLine= -1; | |
| 1044 int widgetEndLine= -1; | |
| 138 | 1045 if ( cast(ITextViewerExtension5)fViewer ) { |
| 134 | 1046 ITextViewerExtension5 extension= cast(ITextViewerExtension5) fViewer; |
| 129 | 1047 int modelEndLine= end(range); |
| 1048 for (int modelLine= range.getStartLine(); modelLine < modelEndLine; modelLine++) { | |
| 1049 int widgetLine= extension.modelLine2WidgetLine(modelLine); | |
| 1050 if (widgetLine !is -1) { | |
| 1051 if (widgetStartLine is -1) | |
| 1052 widgetStartLine= widgetLine; | |
| 1053 widgetEndLine= widgetLine; | |
| 1054 } | |
| 1055 } | |
| 1056 } else { | |
| 1057 IRegion region= fViewer.getVisibleRegion(); | |
| 1058 IDocument document= fViewer.getDocument(); | |
| 1059 try { | |
| 1060 int visibleStartLine= document.getLineOfOffset(region.getOffset()); | |
| 1061 int visibleEndLine= document.getLineOfOffset(region.getOffset() + region.getLength()); | |
| 1062 widgetStartLine= Math.max(0, range.getStartLine() - visibleStartLine); | |
| 1063 widgetEndLine= Math.min(visibleEndLine, end(range) - 1); | |
| 1064 } catch (BadLocationException x) { | |
| 1065 x.printStackTrace(); | |
| 1066 // ignore and return null | |
| 1067 } | |
| 1068 } | |
| 1069 if (widgetStartLine is -1 || widgetEndLine is -1) | |
| 1070 return null; | |
| 1071 return new LineRange(widgetStartLine, widgetEndLine - widgetStartLine + 1); | |
| 1072 } | |
| 1073 | |
| 1074 /** | |
| 1075 * Returns the revision hover. | |
| 150 | 1076 * |
| 129 | 1077 * @return the revision hover |
| 1078 */ | |
| 1079 public IAnnotationHover getHover() { | |
| 1080 return fHover; | |
| 1081 } | |
| 1082 | |
| 1083 /** | |
| 1084 * Computes and returns the bounds of the rectangle corresponding to a widget line range. The | |
| 1085 * rectangle is in pixel coordinates relative to the text widget's | |
| 1086 * {@link StyledText#getClientArea() client area} and has the width of the ruler. | |
| 150 | 1087 * |
| 129 | 1088 * @param range the widget line range |
| 1089 * @return the box bounds corresponding to <code>range</code> | |
| 1090 */ | |
| 1091 private Rectangle computeBoxBounds(ILineRange range) { | |
| 1092 int y1= fWidget.getLinePixel(range.getStartLine()); | |
| 1093 int y2= fWidget.getLinePixel(range.getStartLine() + range.getNumberOfLines()); | |
| 1094 | |
| 1095 return new Rectangle(0, y1, getWidth(), y2 - y1 - 1); | |
| 1096 } | |
| 1097 | |
| 1098 /** | |
| 1099 * Shows (or hides) the overview annotations. | |
| 1100 */ | |
| 1101 private void updateOverviewAnnotations() { | |
| 1102 if (fAnnotationModel is null) | |
| 1103 return; | |
| 150 | 1104 |
| 129 | 1105 Revision revision= fFocusRevision !is null ? fFocusRevision : fSelectedRevision; |
| 1106 | |
| 1107 Map added= null; | |
| 1108 if (revision !is null) { | |
| 1109 added= new HashMap(); | |
| 1110 for (Iterator it= revision.getRegions().iterator(); it.hasNext();) { | |
| 134 | 1111 RevisionRange range= cast(RevisionRange) it.next(); |
| 129 | 1112 try { |
| 1113 IRegion charRegion= toCharRegion(range); | |
| 1114 Position position= new Position(charRegion.getOffset(), charRegion.getLength()); | |
| 1115 Annotation annotation= new RevisionAnnotation(revision.getId()); | |
| 1116 added.put(annotation, position); | |
| 1117 } catch (BadLocationException x) { | |
| 1118 // ignore - document was changed, show no annotations | |
| 1119 } | |
| 1120 } | |
| 1121 } | |
| 1122 | |
| 138 | 1123 if ( cast(IAnnotationModelExtension)fAnnotationModel ) { |
| 134 | 1124 IAnnotationModelExtension ext= cast(IAnnotationModelExtension) fAnnotationModel; |
| 158 | 1125 ext.replaceAnnotations(arraycast!(Annotation)( fAnnotations.toArray()), added); |
| 129 | 1126 } else { |
| 1127 for (Iterator it= fAnnotations.iterator(); it.hasNext();) { | |
| 134 | 1128 Annotation annotation= cast(Annotation) it.next(); |
| 129 | 1129 fAnnotationModel.removeAnnotation(annotation); |
| 1130 } | |
| 1131 if (added !is null) { | |
| 1132 for (Iterator it= added.entrySet().iterator(); it.hasNext();) { | |
| 134 | 1133 Entry entry= cast(Entry) it.next(); |
| 1134 fAnnotationModel.addAnnotation(cast(Annotation) entry.getKey(), cast(Position) entry.getValue()); | |
| 129 | 1135 } |
| 1136 } | |
| 1137 } | |
| 1138 fAnnotations.clear(); | |
| 1139 if (added !is null) | |
| 1140 fAnnotations.addAll(added.keySet()); | |
| 1141 | |
| 1142 } | |
| 1143 | |
| 1144 /** | |
| 1145 * Returns the character offset based region of a line range. | |
| 150 | 1146 * |
| 129 | 1147 * @param lines the line range to convert |
| 1148 * @return the character offset range corresponding to <code>range</code> | |
| 1149 * @throws BadLocationException if the line range is not within the document bounds | |
| 1150 */ | |
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1151 private IRegion toCharRegion(ILineRange lines) { |
| 129 | 1152 IDocument document= fViewer.getDocument(); |
| 1153 int offset= document.getLineOffset(lines.getStartLine()); | |
| 1154 int nextLine= end(lines); | |
| 1155 int endOffset; | |
| 1156 if (nextLine >= document.getNumberOfLines()) | |
| 1157 endOffset= document.getLength(); | |
| 1158 else | |
| 1159 endOffset= document.getLineOffset(nextLine); | |
| 1160 return new Region(offset, endOffset - offset); | |
| 1161 } | |
| 1162 | |
| 1163 /** | |
| 1164 * Handles the selection of a revision and informs listeners. | |
| 150 | 1165 * |
| 129 | 1166 * @param revision the selected revision, <code>null</code> for none |
| 1167 */ | |
| 1168 void handleRevisionSelected(Revision revision) { | |
| 1169 fSelectedRevision= revision; | |
| 1170 fRevisionSelectionProvider.revisionSelected(revision); | |
| 1171 updateOverviewAnnotations(); | |
| 1172 postRedraw(); | |
| 1173 } | |
| 1174 | |
| 1175 /** | |
| 1176 * Handles the selection of a revision id and informs listeners | |
| 150 | 1177 * |
| 129 | 1178 * @param id the selected revision id |
| 1179 */ | |
| 1180 void handleRevisionSelected(String id) { | |
| 1181 Assert.isLegal(id !is null); | |
| 1182 if (fRevisionInfo is null) | |
| 1183 return; | |
| 1184 | |
| 1185 for (Iterator it= fRevisionInfo.getRevisions().iterator(); it.hasNext();) { | |
| 134 | 1186 Revision revision= cast(Revision) it.next(); |
| 129 | 1187 if (id.equals(revision.getId())) { |
| 1188 handleRevisionSelected(revision); | |
| 1189 return; | |
| 1190 } | |
| 1191 } | |
| 1192 | |
| 1193 // clear selection if it does not exist | |
| 134 | 1194 handleRevisionSelected(cast(Revision) null); |
| 129 | 1195 } |
| 1196 | |
| 1197 /** | |
| 1198 * Returns the selection provider. | |
| 150 | 1199 * |
| 129 | 1200 * @return the selection provider |
| 1201 */ | |
| 1202 public RevisionSelectionProvider getRevisionSelectionProvider() { | |
| 1203 return fRevisionSelectionProvider; | |
| 1204 } | |
| 1205 | |
| 1206 /** | |
| 1207 * Updates the focus line with a new line. | |
| 150 | 1208 * |
| 129 | 1209 * @param line the new focus line, -1 for no focus |
| 1210 */ | |
| 1211 private void updateFocusLine(int line) { | |
| 1212 if (fFocusLine !is line) | |
| 1213 onFocusLineChanged(fFocusLine, line); | |
| 1214 } | |
| 1215 | |
| 1216 /** | |
| 1217 * Handles a changing focus line. | |
| 150 | 1218 * |
| 129 | 1219 * @param previousLine the old focus line (-1 for no focus) |
| 1220 * @param nextLine the new focus line (-1 for no focus) | |
| 1221 */ | |
| 1222 private void onFocusLineChanged(int previousLine, int nextLine) { | |
| 150 | 1223 if (DEBUG) |
| 1224 System.out_.println("line: " ~ previousLine ~ " > " ~ nextLine); //$NON-NLS-1$ //$NON-NLS-2$ | |
| 129 | 1225 fFocusLine= nextLine; |
| 1226 RevisionRange region= getRange(nextLine); | |
| 1227 updateFocusRange(region); | |
| 1228 } | |
| 1229 | |
| 1230 /** | |
| 1231 * Updates the focus range. | |
| 150 | 1232 * |
| 129 | 1233 * @param range the new focus range, <code>null</code> for no focus |
| 1234 */ | |
| 1235 private void updateFocusRange(RevisionRange range) { | |
| 1236 if (range !is fFocusRange) | |
| 1237 onFocusRangeChanged(fFocusRange, range); | |
| 1238 } | |
| 1239 | |
| 1240 /** | |
| 1241 * Handles a changing focus range. | |
| 150 | 1242 * |
| 129 | 1243 * @param previousRange the old focus range (<code>null</code> for no focus) |
| 1244 * @param nextRange the new focus range (<code>null</code> for no focus) | |
| 1245 */ | |
| 1246 private void onFocusRangeChanged(RevisionRange previousRange, RevisionRange nextRange) { | |
| 150 | 1247 if (DEBUG) |
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1248 System.out_.println("range: " + previousRange + " > " + nextRange); //$NON-NLS-1$ //$NON-NLS-2$ |
| 129 | 1249 fFocusRange= nextRange; |
| 1250 Revision revision= nextRange is null ? null : nextRange.getRevision(); | |
| 1251 updateFocusRevision(revision); | |
| 1252 } | |
| 1253 | |
| 1254 private void updateFocusRevision(Revision revision) { | |
| 1255 if (fFocusRevision !is revision) | |
| 1256 onFocusRevisionChanged(fFocusRevision, revision); | |
| 1257 } | |
| 1258 | |
| 1259 /** | |
| 1260 * Handles a changing focus revision. | |
| 150 | 1261 * |
| 129 | 1262 * @param previousRevision the old focus revision (<code>null</code> for no focus) |
| 1263 * @param nextRevision the new focus revision (<code>null</code> for no focus) | |
| 1264 */ | |
| 1265 private void onFocusRevisionChanged(Revision previousRevision, Revision nextRevision) { | |
| 150 | 1266 if (DEBUG) |
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1267 System.out_.println("revision: " + previousRevision + " > " + nextRevision); //$NON-NLS-1$ //$NON-NLS-2$ |
| 129 | 1268 fFocusRevision= nextRevision; |
| 1269 uninstallWheelHandler(); | |
| 1270 installWheelHandler(); | |
| 1271 updateOverviewAnnotations(); | |
| 1272 redraw(); // pick up new highlights | |
| 1273 } | |
| 1274 | |
| 1275 /** | |
| 1276 * Uninstalls the mouse wheel handler. | |
| 1277 */ | |
| 1278 private void uninstallWheelHandler() { | |
| 1279 fControl.removeListener(DWT.MouseWheel, fMouseHandler); | |
| 1280 fWheelHandlerInstalled= false; | |
| 1281 } | |
| 1282 | |
| 1283 /** | |
| 1284 * Installs the mouse wheel handler. | |
| 1285 */ | |
| 1286 private void installWheelHandler() { | |
| 1287 if (fFocusRevision !is null && !fWheelHandlerInstalled) { | |
| 1288 //FIXME: does not work on Windows, because Canvas cannot get focus and therefore does not send out mouse wheel events: | |
| 1289 //https://bugs.eclipse.org/bugs/show_bug.cgi?id=81189 | |
| 1290 //see also https://bugs.eclipse.org/bugs/show_bug.cgi?id=75766 | |
| 1291 fControl.addListener(DWT.MouseWheel, fMouseHandler); | |
| 1292 fWheelHandlerInstalled= true; | |
| 1293 } | |
| 1294 } | |
| 1295 | |
| 1296 /** | |
| 1297 * Handles a mouse wheel event. | |
| 150 | 1298 * |
| 129 | 1299 * @param event the mouse wheel event |
| 1300 */ | |
| 1301 private void handleMouseWheel(Event event) { | |
| 1302 bool up= event.count > 0; | |
| 1303 int documentHoverLine= fFocusLine; | |
| 1304 | |
| 1305 ILineRange nextWidgetRange= null; | |
| 1306 ILineRange last= null; | |
| 1307 List ranges= fFocusRevision.getRegions(); | |
| 1308 if (up) { | |
| 1309 for (Iterator it= ranges.iterator(); it.hasNext();) { | |
| 134 | 1310 RevisionRange range= cast(RevisionRange) it.next(); |
| 129 | 1311 ILineRange widgetRange= modelLinesToWidgetLines(range); |
| 1312 if (contains(range, documentHoverLine)) { | |
| 1313 nextWidgetRange= last; | |
| 1314 break; | |
| 1315 } | |
| 1316 if (widgetRange !is null) | |
| 1317 last= widgetRange; | |
| 1318 } | |
| 1319 } else { | |
| 1320 for (ListIterator it= ranges.listIterator(ranges.size()); it.hasPrevious();) { | |
| 134 | 1321 RevisionRange range= cast(RevisionRange) it.previous(); |
| 129 | 1322 ILineRange widgetRange= modelLinesToWidgetLines(range); |
| 1323 if (contains(range, documentHoverLine)) { | |
| 1324 nextWidgetRange= last; | |
| 1325 break; | |
| 1326 } | |
| 1327 if (widgetRange !is null) | |
| 1328 last= widgetRange; | |
| 1329 } | |
| 1330 } | |
| 1331 | |
| 1332 if (nextWidgetRange is null) | |
| 1333 return; | |
| 1334 | |
| 1335 int widgetCurrentFocusLine= modelLinesToWidgetLines(new LineRange(documentHoverLine, 1)).getStartLine(); | |
| 1336 int widgetNextFocusLine= nextWidgetRange.getStartLine(); | |
| 1337 int newTopPixel= fWidget.getTopPixel() + JFaceTextUtil.computeLineHeight(fWidget, widgetCurrentFocusLine, widgetNextFocusLine, widgetNextFocusLine - widgetCurrentFocusLine); | |
| 1338 fWidget.setTopPixel(newTopPixel); | |
| 1339 if (newTopPixel < 0) { | |
| 1340 Point cursorLocation= fWidget.getDisplay().getCursorLocation(); | |
| 1341 cursorLocation.y+= newTopPixel; | |
| 1342 fWidget.getDisplay().setCursorLocation(cursorLocation); | |
| 1343 } else { | |
| 1344 int topPixel= fWidget.getTopPixel(); | |
| 1345 if (topPixel < newTopPixel) { | |
| 1346 Point cursorLocation= fWidget.getDisplay().getCursorLocation(); | |
| 1347 cursorLocation.y+= newTopPixel - topPixel; | |
| 1348 fWidget.getDisplay().setCursorLocation(cursorLocation); | |
| 1349 } | |
| 1350 } | |
| 1351 updateFocusLine(toDocumentLineNumber(fWidget.toControl(fWidget.getDisplay().getCursorLocation()).y)); | |
| 1352 immediateUpdate(); | |
| 1353 } | |
| 1354 | |
| 1355 /** | |
| 1356 * Triggers a redraw in the display thread. | |
| 1357 */ | |
| 1358 private final void postRedraw() { | |
| 1359 if (isConnected() && !fControl.isDisposed()) { | |
| 1360 Display d= fControl.getDisplay(); | |
| 1361 if (d !is null) { | |
| 135 | 1362 d.asyncExec(new class() Runnable { |
| 129 | 1363 public void run() { |
| 1364 redraw(); | |
| 1365 } | |
| 1366 }); | |
| 1367 } | |
| 1368 } | |
| 1369 } | |
| 1370 | |
| 1371 /** | |
| 1372 * Translates a y coordinate in the pixel coordinates of the column's control to a document line | |
| 1373 * number. | |
| 150 | 1374 * |
| 129 | 1375 * @param y the y coordinate |
| 1376 * @return the corresponding document line, -1 for no line | |
| 1377 * @see CompositeRuler#toDocumentLineNumber(int) | |
| 1378 */ | |
| 1379 private int toDocumentLineNumber(int y) { | |
| 1380 return fParentRuler.toDocumentLineNumber(y); | |
| 1381 } | |
| 1382 | |
| 1383 /** | |
| 1384 * Triggers redrawing of the column. | |
| 1385 */ | |
| 1386 private void redraw() { | |
| 1387 fColumn.redraw(); | |
| 1388 } | |
| 1389 | |
| 1390 /** | |
| 1391 * Triggers immediate redrawing of the entire column - use with care. | |
| 1392 */ | |
| 1393 private void immediateUpdate() { | |
| 1394 fParentRuler.immediateUpdate(); | |
| 1395 } | |
| 1396 | |
| 1397 /** | |
| 1398 * Returns the width of the column. | |
| 150 | 1399 * |
| 129 | 1400 * @return the width of the column |
| 1401 */ | |
| 1402 private int getWidth() { | |
| 1403 return fColumn.getWidth(); | |
| 1404 } | |
| 1405 | |
| 1406 /** | |
| 1407 * Returns the System background color for list widgets. | |
| 150 | 1408 * |
| 129 | 1409 * @return the System background color for list widgets |
| 1410 */ | |
| 1411 private Color getBackground() { | |
| 1412 if (fBackground is null) | |
| 1413 return fWidget.getDisplay().getSystemColor(DWT.COLOR_LIST_BACKGROUND); | |
| 1414 return fBackground; | |
| 1415 } | |
| 1416 | |
| 1417 /** | |
| 1418 * Sets the hover later returned by {@link #getHover()}. | |
| 150 | 1419 * |
| 129 | 1420 * @param hover the hover |
| 1421 */ | |
| 1422 public void setHover(IAnnotationHover hover) { | |
| 1423 // TODO ignore for now - must make revision hover settable from outside | |
| 1424 } | |
| 1425 | |
| 1426 /** | |
| 1427 * Returns <code>true</code> if the receiver can provide a hover for a certain document line. | |
| 150 | 1428 * |
| 129 | 1429 * @param activeLine the document line of interest |
| 1430 * @return <code>true</code> if the receiver can provide a hover | |
| 1431 */ | |
| 1432 public bool hasHover(int activeLine) { | |
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1433 return cast(ISourceViewer)fViewer && fHover.getHoverLineRange(cast(ISourceViewer) fViewer, activeLine) !is null; |
| 129 | 1434 } |
| 1435 | |
| 1436 /** | |
| 1437 * Returns the revision at a certain document offset, or <code>null</code> for none. | |
| 150 | 1438 * |
| 129 | 1439 * @param offset the document offset |
| 1440 * @return the revision at offset, or <code>null</code> for none | |
| 1441 */ | |
| 1442 Revision getRevision(int offset) { | |
| 1443 IDocument document= fViewer.getDocument(); | |
| 1444 int line; | |
| 1445 try { | |
| 1446 line= document.getLineOfOffset(offset); | |
| 1447 } catch (BadLocationException x) { | |
| 1448 return null; | |
| 1449 } | |
| 1450 if (line !is -1) { | |
| 1451 RevisionRange range= getRange(line); | |
| 1452 if (range !is null) | |
| 1453 return range.getRevision(); | |
| 1454 } | |
| 1455 return null; | |
| 1456 } | |
| 1457 | |
| 1458 /** | |
| 1459 * Returns <code>true</code> if a revision model has been set, <code>false</code> otherwise. | |
| 150 | 1460 * |
| 129 | 1461 * @return <code>true</code> if a revision model has been set, <code>false</code> otherwise |
| 1462 */ | |
| 1463 public bool hasInformation() { | |
| 1464 return fRevisionInfo !is null; | |
| 1465 } | |
| 1466 | |
| 1467 /** | |
| 1468 * Returns the width in chars required to display information. | |
| 150 | 1469 * |
| 129 | 1470 * @return the width in chars required to display information |
| 1471 * @since 3.3 | |
| 1472 */ | |
| 1473 public int getRequiredWidth() { | |
| 1474 if (fRequiredWidth is -1) { | |
| 1475 if (hasInformation() && (fShowRevision || fShowAuthor)) { | |
| 1476 int revisionWidth= 0; | |
| 1477 int authorWidth= 0; | |
| 1478 for (Iterator it= fRevisionInfo.getRevisions().iterator(); it.hasNext();) { | |
| 134 | 1479 Revision revision= cast(Revision) it.next(); |
| 129 | 1480 revisionWidth= Math.max(revisionWidth, revision.getId().length()); |
| 1481 authorWidth= Math.max(authorWidth, revision.getAuthor().length()); | |
| 1482 } | |
| 1483 fRevisionIdChars= revisionWidth + 1; | |
| 1484 if (fShowAuthor && fShowRevision) | |
| 1485 fRequiredWidth= revisionWidth + authorWidth + 2; | |
| 1486 else if (fShowAuthor) | |
| 1487 fRequiredWidth= authorWidth + 1; | |
| 1488 else | |
| 1489 fRequiredWidth= revisionWidth + 1; | |
| 1490 } else { | |
| 1491 fRequiredWidth= 0; | |
| 1492 } | |
| 1493 } | |
| 1494 return fRequiredWidth; | |
| 1495 } | |
| 1496 | |
| 1497 /** | |
| 1498 * Enables showing the revision id. | |
| 150 | 1499 * |
| 129 | 1500 * @param show <code>true</code> to show the revision, <code>false</code> to hide it |
| 1501 */ | |
| 1502 public void showRevisionId(bool show) { | |
| 1503 if (fShowRevision !is show) { | |
| 1504 fRequiredWidth= -1; | |
| 1505 fRevisionIdChars= 0; | |
| 1506 fShowRevision= show; | |
| 1507 postRedraw(); | |
| 1508 } | |
| 1509 } | |
| 150 | 1510 |
| 129 | 1511 /** |
| 1512 * Enables showing the revision author. | |
| 150 | 1513 * |
| 129 | 1514 * @param show <code>true</code> to show the author, <code>false</code> to hide it |
| 1515 */ | |
| 1516 public void showRevisionAuthor(bool show) { | |
| 1517 if (fShowAuthor !is show) { | |
| 1518 fRequiredWidth= -1; | |
| 1519 fRevisionIdChars= 0; | |
| 1520 fShowAuthor= show; | |
| 1521 postRedraw(); | |
| 1522 } | |
| 1523 } | |
| 1524 | |
| 1525 /** | |
| 1526 * Adds a revision listener. | |
| 150 | 1527 * |
| 129 | 1528 * @param listener the listener |
| 1529 * @since 3.3 | |
| 1530 */ | |
| 1531 public void addRevisionListener(IRevisionListener listener) { | |
| 1532 fRevisionListeners.add(listener); | |
| 1533 } | |
| 1534 | |
| 1535 /** | |
| 1536 * Removes a revision listener. | |
| 150 | 1537 * |
| 129 | 1538 * @param listener the listener |
| 1539 * @since 3.3 | |
| 1540 */ | |
| 1541 public void removeRevisionListener(IRevisionListener listener) { | |
| 1542 fRevisionListeners.remove(listener); | |
| 1543 } | |
| 1544 | |
| 1545 /** | |
| 1546 * Informs the revision listeners about a change. | |
| 150 | 1547 * |
| 129 | 1548 * @since 3.3 |
| 1549 */ | |
| 1550 private void informListeners() { | |
| 1551 if (fRevisionInfo is null || fRevisionListeners.isEmpty()) | |
| 1552 return; | |
| 1553 | |
| 1554 RevisionEvent event= new RevisionEvent(fRevisionInfo); | |
| 1555 Object[] listeners= fRevisionListeners.getListeners(); | |
| 1556 for (int i= 0; i < listeners.length; i++) { | |
| 134 | 1557 IRevisionListener listener= cast(IRevisionListener) listeners[i]; |
| 129 | 1558 listener.revisionInformationChanged(event); |
| 1559 } | |
| 1560 } | |
| 1561 } |