Mercurial > projects > dwt-addons
annotate dwtx/jface/text/TextViewer.d @ 186:0e2944da7cd0
Fix anon class problem
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 26 Oct 2008 13:59:03 +0100 |
| parents | c6d7b1ea700b |
| children | c3583c6ec027 |
| 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.TextViewer; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.IDocumentPartitioningListener; // packageimport |
| 16 import dwtx.jface.text.DefaultTextHover; // packageimport | |
| 17 import dwtx.jface.text.AbstractInformationControl; // packageimport | |
| 18 import dwtx.jface.text.TextUtilities; // packageimport | |
| 19 import dwtx.jface.text.IInformationControlCreatorExtension; // packageimport | |
| 20 import dwtx.jface.text.AbstractInformationControlManager; // packageimport | |
| 21 import dwtx.jface.text.ITextViewerExtension2; // packageimport | |
| 22 import dwtx.jface.text.IDocumentPartitioner; // packageimport | |
| 23 import dwtx.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport | |
| 24 import dwtx.jface.text.ITextSelection; // packageimport | |
| 25 import dwtx.jface.text.Document; // packageimport | |
| 26 import dwtx.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport | |
| 27 import dwtx.jface.text.ITextListener; // packageimport | |
| 28 import dwtx.jface.text.BadPartitioningException; // packageimport | |
| 29 import dwtx.jface.text.ITextViewerExtension5; // packageimport | |
| 30 import dwtx.jface.text.IDocumentPartitionerExtension3; // packageimport | |
| 31 import dwtx.jface.text.IUndoManager; // packageimport | |
| 32 import dwtx.jface.text.ITextHoverExtension2; // packageimport | |
| 33 import dwtx.jface.text.IRepairableDocument; // packageimport | |
| 34 import dwtx.jface.text.IRewriteTarget; // packageimport | |
| 35 import dwtx.jface.text.DefaultPositionUpdater; // packageimport | |
| 36 import dwtx.jface.text.RewriteSessionEditProcessor; // packageimport | |
| 37 import dwtx.jface.text.TextViewerHoverManager; // packageimport | |
| 38 import dwtx.jface.text.DocumentRewriteSession; // packageimport | |
| 39 import dwtx.jface.text.ITextViewerExtension8; // packageimport | |
| 40 import dwtx.jface.text.RegExMessages; // packageimport | |
| 41 import dwtx.jface.text.IDelayedInputChangeProvider; // packageimport | |
| 42 import dwtx.jface.text.ITextOperationTargetExtension; // packageimport | |
| 43 import dwtx.jface.text.IWidgetTokenOwner; // packageimport | |
| 44 import dwtx.jface.text.IViewportListener; // packageimport | |
| 45 import dwtx.jface.text.GapTextStore; // packageimport | |
| 46 import dwtx.jface.text.MarkSelection; // packageimport | |
| 47 import dwtx.jface.text.IDocumentPartitioningListenerExtension; // packageimport | |
| 48 import dwtx.jface.text.IDocumentAdapterExtension; // packageimport | |
| 49 import dwtx.jface.text.IInformationControlExtension; // packageimport | |
| 50 import dwtx.jface.text.IDocumentPartitioningListenerExtension2; // packageimport | |
| 51 import dwtx.jface.text.DefaultDocumentAdapter; // packageimport | |
| 52 import dwtx.jface.text.ITextViewerExtension3; // packageimport | |
| 53 import dwtx.jface.text.IInformationControlCreator; // packageimport | |
| 54 import dwtx.jface.text.TypedRegion; // packageimport | |
| 55 import dwtx.jface.text.ISynchronizable; // packageimport | |
| 56 import dwtx.jface.text.IMarkRegionTarget; // packageimport | |
| 57 import dwtx.jface.text.TextViewerUndoManager; // packageimport | |
| 58 import dwtx.jface.text.IRegion; // packageimport | |
| 59 import dwtx.jface.text.IInformationControlExtension2; // packageimport | |
| 60 import dwtx.jface.text.IDocumentExtension4; // packageimport | |
| 61 import dwtx.jface.text.IDocumentExtension2; // packageimport | |
| 62 import dwtx.jface.text.IDocumentPartitionerExtension2; // packageimport | |
| 63 import dwtx.jface.text.DefaultInformationControl; // packageimport | |
| 64 import dwtx.jface.text.IWidgetTokenOwnerExtension; // packageimport | |
| 65 import dwtx.jface.text.DocumentClone; // packageimport | |
| 66 import dwtx.jface.text.DefaultUndoManager; // packageimport | |
| 67 import dwtx.jface.text.IFindReplaceTarget; // packageimport | |
| 68 import dwtx.jface.text.IAutoEditStrategy; // packageimport | |
| 69 import dwtx.jface.text.ILineTrackerExtension; // packageimport | |
| 70 import dwtx.jface.text.IUndoManagerExtension; // packageimport | |
| 71 import dwtx.jface.text.TextSelection; // packageimport | |
| 72 import dwtx.jface.text.DefaultAutoIndentStrategy; // packageimport | |
| 73 import dwtx.jface.text.IAutoIndentStrategy; // packageimport | |
| 74 import dwtx.jface.text.IPainter; // packageimport | |
| 75 import dwtx.jface.text.IInformationControl; // packageimport | |
| 76 import dwtx.jface.text.IInformationControlExtension3; // packageimport | |
| 77 import dwtx.jface.text.ITextViewerExtension6; // packageimport | |
| 78 import dwtx.jface.text.IInformationControlExtension4; // packageimport | |
| 79 import dwtx.jface.text.DefaultLineTracker; // packageimport | |
| 80 import dwtx.jface.text.IDocumentInformationMappingExtension; // packageimport | |
| 81 import dwtx.jface.text.IRepairableDocumentExtension; // packageimport | |
| 82 import dwtx.jface.text.ITextHover; // packageimport | |
| 83 import dwtx.jface.text.FindReplaceDocumentAdapter; // packageimport | |
| 84 import dwtx.jface.text.ILineTracker; // packageimport | |
| 85 import dwtx.jface.text.Line; // packageimport | |
| 86 import dwtx.jface.text.ITextViewerExtension; // packageimport | |
| 87 import dwtx.jface.text.IDocumentAdapter; // packageimport | |
| 88 import dwtx.jface.text.TextEvent; // packageimport | |
| 89 import dwtx.jface.text.BadLocationException; // packageimport | |
| 90 import dwtx.jface.text.AbstractDocument; // packageimport | |
| 91 import dwtx.jface.text.AbstractLineTracker; // packageimport | |
| 92 import dwtx.jface.text.TreeLineTracker; // packageimport | |
| 93 import dwtx.jface.text.ITextPresentationListener; // packageimport | |
| 94 import dwtx.jface.text.Region; // packageimport | |
| 95 import dwtx.jface.text.ITextViewer; // packageimport | |
| 96 import dwtx.jface.text.IDocumentInformationMapping; // packageimport | |
| 97 import dwtx.jface.text.MarginPainter; // packageimport | |
| 98 import dwtx.jface.text.IPaintPositionManager; // packageimport | |
| 99 import dwtx.jface.text.TextPresentation; // packageimport | |
| 100 import dwtx.jface.text.IFindReplaceTargetExtension; // packageimport | |
| 101 import dwtx.jface.text.ISlaveDocumentManagerExtension; // packageimport | |
| 102 import dwtx.jface.text.ISelectionValidator; // packageimport | |
| 103 import dwtx.jface.text.IDocumentExtension; // packageimport | |
| 104 import dwtx.jface.text.PropagatingFontFieldEditor; // packageimport | |
| 105 import dwtx.jface.text.ConfigurableLineTracker; // packageimport | |
| 106 import dwtx.jface.text.SlaveDocumentEvent; // packageimport | |
| 107 import dwtx.jface.text.IDocumentListener; // packageimport | |
| 108 import dwtx.jface.text.PaintManager; // packageimport | |
| 109 import dwtx.jface.text.IFindReplaceTargetExtension3; // packageimport | |
| 110 import dwtx.jface.text.ITextDoubleClickStrategy; // packageimport | |
| 111 import dwtx.jface.text.IDocumentExtension3; // packageimport | |
| 112 import dwtx.jface.text.Position; // packageimport | |
| 113 import dwtx.jface.text.TextMessages; // packageimport | |
| 114 import dwtx.jface.text.CopyOnWriteTextStore; // packageimport | |
| 115 import dwtx.jface.text.WhitespaceCharacterPainter; // packageimport | |
| 116 import dwtx.jface.text.IPositionUpdater; // packageimport | |
| 117 import dwtx.jface.text.DefaultTextDoubleClickStrategy; // packageimport | |
| 118 import dwtx.jface.text.ListLineTracker; // packageimport | |
| 119 import dwtx.jface.text.ITextInputListener; // packageimport | |
| 120 import dwtx.jface.text.BadPositionCategoryException; // packageimport | |
| 121 import dwtx.jface.text.IWidgetTokenKeeperExtension; // packageimport | |
| 122 import dwtx.jface.text.IInputChangedListener; // packageimport | |
| 123 import dwtx.jface.text.ITextOperationTarget; // packageimport | |
| 124 import dwtx.jface.text.IDocumentInformationMappingExtension2; // packageimport | |
| 125 import dwtx.jface.text.ITextViewerExtension7; // packageimport | |
| 126 import dwtx.jface.text.IInformationControlExtension5; // packageimport | |
| 127 import dwtx.jface.text.IDocumentRewriteSessionListener; // packageimport | |
| 128 import dwtx.jface.text.JFaceTextUtil; // packageimport | |
| 129 import dwtx.jface.text.AbstractReusableInformationControlCreator; // packageimport | |
| 130 import dwtx.jface.text.TabsToSpacesConverter; // packageimport | |
| 131 import dwtx.jface.text.CursorLinePainter; // packageimport | |
| 132 import dwtx.jface.text.ITextHoverExtension; // packageimport | |
| 133 import dwtx.jface.text.IEventConsumer; // packageimport | |
| 134 import dwtx.jface.text.IDocument; // packageimport | |
| 135 import dwtx.jface.text.IWidgetTokenKeeper; // packageimport | |
| 136 import dwtx.jface.text.DocumentCommand; // packageimport | |
| 137 import dwtx.jface.text.TypedPosition; // packageimport | |
| 138 import dwtx.jface.text.IEditingSupportRegistry; // packageimport | |
| 139 import dwtx.jface.text.IDocumentPartitionerExtension; // packageimport | |
| 140 import dwtx.jface.text.AbstractHoverInformationControlManager; // packageimport | |
| 141 import dwtx.jface.text.IEditingSupport; // packageimport | |
| 142 import dwtx.jface.text.IMarkSelection; // packageimport | |
| 143 import dwtx.jface.text.ISlaveDocumentManager; // packageimport | |
| 144 import dwtx.jface.text.DocumentEvent; // packageimport | |
| 145 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport | |
| 146 import dwtx.jface.text.ITextStore; // packageimport | |
| 147 import dwtx.jface.text.JFaceTextMessages; // packageimport | |
| 148 import dwtx.jface.text.DocumentRewriteSessionEvent; // packageimport | |
| 149 import dwtx.jface.text.SequentialRewriteTextStore; // packageimport | |
| 150 import dwtx.jface.text.DocumentRewriteSessionType; // packageimport | |
| 151 import dwtx.jface.text.TextAttribute; // packageimport | |
| 152 import dwtx.jface.text.ITextViewerExtension4; // packageimport | |
| 153 import dwtx.jface.text.ITypedRegion; // packageimport | |
| 154 | |
| 129 | 155 import dwt.dwthelper.utils; |
|
153
f70d9508c95c
Fix java Collection imports
Frank Benoit <benoit@tionex.de>
parents:
147
diff
changeset
|
156 import dwtx.dwtxhelper.Collection; |
| 159 | 157 import dwtx.dwtxhelper.regex; |
| 158 import tango.text.convert.Format; | |
| 167 | 159 import dwtx.dwtxhelper.JThread; |
| 129 | 160 |
| 161 import dwt.DWT; | |
| 162 import dwt.custom.LineBackgroundEvent; | |
| 163 import dwt.custom.LineBackgroundListener; | |
| 164 import dwt.custom.MovementEvent; | |
| 165 import dwt.custom.MovementListener; | |
| 166 import dwt.custom.ST; | |
| 167 import dwt.custom.StyleRange; | |
| 168 import dwt.custom.StyledText; | |
| 169 import dwt.custom.StyledTextPrintOptions; | |
| 170 import dwt.custom.VerifyKeyListener; | |
| 171 import dwt.events.ControlEvent; | |
| 172 import dwt.events.ControlListener; | |
| 173 import dwt.events.DisposeEvent; | |
| 174 import dwt.events.DisposeListener; | |
| 175 import dwt.events.KeyEvent; | |
| 176 import dwt.events.KeyListener; | |
| 177 import dwt.events.MouseAdapter; | |
| 178 import dwt.events.MouseEvent; | |
| 179 import dwt.events.MouseListener; | |
| 180 import dwt.events.SelectionEvent; | |
| 181 import dwt.events.SelectionListener; | |
| 182 import dwt.events.TraverseEvent; | |
| 183 import dwt.events.TraverseListener; | |
| 184 import dwt.events.VerifyEvent; | |
| 185 import dwt.events.VerifyListener; | |
| 186 import dwt.graphics.Color; | |
| 187 import dwt.graphics.GC; | |
| 188 import dwt.graphics.Point; | |
| 189 import dwt.graphics.Rectangle; | |
| 190 import dwt.printing.PrintDialog; | |
| 191 import dwt.printing.Printer; | |
| 192 import dwt.printing.PrinterData; | |
| 193 import dwt.widgets.Composite; | |
| 194 import dwt.widgets.Control; | |
| 195 import dwt.widgets.Display; | |
| 196 import dwt.widgets.Event; | |
| 197 import dwt.widgets.Listener; | |
| 198 import dwt.widgets.ScrollBar; | |
| 199 import dwtx.core.runtime.Assert; | |
| 200 import dwtx.jface.internal.text.NonDeletingPositionUpdater; | |
| 201 import dwtx.jface.internal.text.StickyHoverManager; | |
| 202 import dwtx.jface.text.hyperlink.HyperlinkManager; | |
| 203 import dwtx.jface.text.hyperlink.IHyperlinkDetector; | |
| 204 import dwtx.jface.text.hyperlink.IHyperlinkDetectorExtension; | |
| 205 import dwtx.jface.text.hyperlink.IHyperlinkPresenter; | |
| 159 | 206 import dwtx.jface.text.hyperlink.HyperlinkManager; |
| 129 | 207 import dwtx.jface.text.projection.ChildDocument; |
| 208 import dwtx.jface.text.projection.ChildDocumentManager; | |
| 209 import dwtx.jface.viewers.IPostSelectionProvider; | |
| 210 import dwtx.jface.viewers.ISelection; | |
| 211 import dwtx.jface.viewers.ISelectionChangedListener; | |
| 212 import dwtx.jface.viewers.ISelectionProvider; | |
| 213 import dwtx.jface.viewers.SelectionChangedEvent; | |
| 214 import dwtx.jface.viewers.Viewer; | |
| 215 | |
| 216 | |
| 217 /** | |
| 218 * DWT based implementation of {@link ITextViewer} and its extension interfaces. | |
| 219 * Once the viewer and its DWT control have been created the viewer can only | |
| 220 * indirectly be disposed by disposing its DWT control. | |
| 221 * <p> | |
| 222 * Clients are supposed to instantiate a text viewer and subsequently to | |
| 223 * communicate with it exclusively using the | |
| 224 * {@link dwtx.jface.text.ITextViewer} interface or any of the | |
| 225 * implemented extension interfaces. | |
| 226 * <p> | |
| 227 * A text viewer serves as text operation target. It only partially supports the | |
| 228 * external control of the enable state of its text operations. A text viewer is | |
| 229 * also a widget token owner. Anything that wants to display an overlay window | |
| 230 * on top of a text viewer should implement the | |
| 231 * {@link dwtx.jface.text.IWidgetTokenKeeper} interface and participate | |
| 232 * in the widget token negotiation between the text viewer and all its potential | |
| 233 * widget token keepers. | |
| 234 * <p> | |
| 235 * This class is not intended to be subclassed outside the JFace Text component.</p> | |
| 236 * @noextend This class is not intended to be subclassed by clients. | |
| 237 */ | |
| 238 public class TextViewer : Viewer , | |
| 239 ITextViewer, ITextViewerExtension, ITextViewerExtension2, ITextViewerExtension4, ITextViewerExtension6, ITextViewerExtension7, ITextViewerExtension8, | |
| 240 IEditingSupportRegistry, ITextOperationTarget, ITextOperationTargetExtension, | |
| 241 IWidgetTokenOwner, IWidgetTokenOwnerExtension, IPostSelectionProvider { | |
| 242 | |
| 162 | 243 alias Viewer.fireSelectionChanged fireSelectionChanged; |
| 244 | |
| 129 | 245 /** Internal flag to indicate the debug state. */ |
| 147 | 246 public static const bool TRACE_ERRORS= false; |
| 129 | 247 /** Internal flag to indicate the debug state. */ |
| 147 | 248 private static const bool TRACE_DOUBLE_CLICK= false; |
| 129 | 249 |
| 250 /** | |
| 251 * Width constraint for text hovers (in characters). | |
| 252 * @since 3.4 | |
| 253 */ | |
| 147 | 254 private static const int TEXT_HOVER_WIDTH_CHARS= 100; //used to be 60 (text font) |
| 129 | 255 /** |
| 256 * Height constraint for text hovers (in characters). | |
| 257 * @since 3.4 | |
| 258 */ | |
| 147 | 259 private static const int TEXT_HOVER_HEIGHT_CHARS= 12; //used to be 10 (text font) |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
260 |
| 129 | 261 /** |
| 262 * Represents a replace command that brings the text viewer's text widget | |
| 263 * back in synchronization with text viewer's document after the document | |
| 264 * has been changed. | |
| 265 */ | |
| 266 protected class WidgetCommand { | |
| 267 | |
| 268 /** The document event encapsulated by this command. */ | |
| 269 public DocumentEvent event; | |
| 270 /** The start of the event. */ | |
| 271 public int start; | |
| 272 /** The length of the event. */ | |
| 273 public int length; | |
| 274 /** The inserted and replaced text segments of <code>event</code>. */ | |
| 275 public String text; | |
| 276 /** The replaced text segments of <code>event</code>. */ | |
| 277 public String preservedText; | |
| 278 | |
| 279 /** | |
| 280 * Translates a document event into the presentation coordinates of this text viewer. | |
| 281 * | |
| 282 * @param e the event to be translated | |
| 283 */ | |
| 284 public void setEvent(DocumentEvent e) { | |
| 285 | |
| 286 event= e; | |
| 287 | |
| 288 start= e.getOffset(); | |
| 289 length= e.getLength(); | |
| 290 text= e.getText(); | |
| 291 | |
| 292 if (length !is 0) { | |
| 293 try { | |
| 294 | |
| 138 | 295 if ( cast(SlaveDocumentEvent)e ) { |
| 134 | 296 SlaveDocumentEvent slave= cast(SlaveDocumentEvent) e; |
| 129 | 297 DocumentEvent master= slave.getMasterEvent(); |
| 298 if (master !is null) | |
| 299 preservedText= master.getDocument().get(master.getOffset(), master.getLength()); | |
| 300 } else { | |
| 301 preservedText= e.getDocument().get(e.getOffset(), e.getLength()); | |
| 302 } | |
| 303 | |
| 304 } catch (BadLocationException x) { | |
| 305 preservedText= null; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
306 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
307 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.WidgetCommand.setEvent")); //$NON-NLS-1$ |
| 129 | 308 } |
| 309 } else | |
| 310 preservedText= null; | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 | |
| 315 /** | |
| 316 * Connects a text double click strategy to this viewer's text widget. | |
| 317 * Calls the double click strategies when the mouse has | |
| 318 * been clicked inside the text editor. | |
| 319 */ | |
| 320 class TextDoubleClickStrategyConnector : MouseAdapter , MovementListener { | |
| 321 | |
| 322 /** Internal flag to remember the last double-click selection. */ | |
| 323 private Point fDoubleClickSelection; | |
| 324 | |
| 325 /* | |
| 326 * @see dwt.events.MouseAdapter#mouseUp(dwt.events.MouseEvent) | |
| 327 * @since 3.2 | |
| 328 */ | |
| 329 public void mouseUp(MouseEvent e) { | |
| 330 fDoubleClickSelection= null; | |
| 331 } | |
| 332 | |
| 333 /* | |
| 334 * @see dwt.custom.MovementListener#getNextOffset(dwt.custom.MovementEvent) | |
| 335 * @since 3.3 | |
| 336 */ | |
| 337 public void getNextOffset(MovementEvent event) { | |
| 338 if (event.movement !is DWT.MOVEMENT_WORD_END) | |
| 339 return; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
340 |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
341 if (TRACE_DOUBLE_CLICK) { |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
342 System.out_.println("\n+++"); //$NON-NLS-1$ |
| 129 | 343 print(event); |
| 344 } | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
345 |
| 129 | 346 if (fDoubleClickSelection !is null) { |
| 347 if (fDoubleClickSelection.x <= event.offset && event.offset <= fDoubleClickSelection.y) | |
| 348 event.newOffset= fDoubleClickSelection.y; | |
| 349 } | |
| 350 } | |
| 351 | |
| 352 /* | |
| 353 * @see dwt.custom.MovementListener#getPreviousOffset(dwt.custom.MovementEvent) | |
| 354 * @since 3.3 | |
| 355 */ | |
| 356 public void getPreviousOffset(MovementEvent event) { | |
| 357 if (event.movement !is DWT.MOVEMENT_WORD_START) | |
| 358 return; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
359 |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
360 if (TRACE_DOUBLE_CLICK) { |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
361 System.out_.println("\n---"); //$NON-NLS-1$ |
| 129 | 362 print(event); |
| 363 } | |
| 364 if (fDoubleClickSelection is null) { | |
| 134 | 365 ITextDoubleClickStrategy s= cast(ITextDoubleClickStrategy) selectContentTypePlugin(getSelectedRange().x, fDoubleClickStrategies); |
| 129 | 366 if (s !is null) { |
| 367 StyledText textWidget= getTextWidget(); | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
368 s.doubleClicked(this.outer); |
| 129 | 369 fDoubleClickSelection= textWidget.getSelection(); |
| 370 event.newOffset= fDoubleClickSelection.x; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
371 if (TRACE_DOUBLE_CLICK) |
| 162 | 372 System.out_.println(Format("- setting selection: x= {}, y= {}", fDoubleClickSelection.x, fDoubleClickSelection.y)); //$NON-NLS-1$ //$NON-NLS-2$ |
| 129 | 373 } |
| 374 } else { | |
| 375 if (fDoubleClickSelection.x <= event.offset && event.offset <= fDoubleClickSelection.y) | |
| 376 event.newOffset= fDoubleClickSelection.x; | |
| 377 } | |
| 378 } | |
| 379 } | |
| 380 | |
| 381 /** | |
| 382 * Print trace info about <code>MovementEvent</code>. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
383 * |
| 129 | 384 * @param e the event to print |
| 385 * @since 3.3 | |
| 386 */ | |
| 387 private void print(MovementEvent e) { | |
| 162 | 388 System.out_.println(Format("line offset: {}", e.lineOffset)); //$NON-NLS-1$ |
| 389 System.out_.println(Format("line: {}", e.lineText)); //$NON-NLS-1$ | |
| 390 System.out_.println(Format("type: {}", e.movement)); //$NON-NLS-1$ | |
| 391 System.out_.println(Format("offset: {}", e.offset)); //$NON-NLS-1$ | |
| 392 System.out_.println(Format("newOffset: {}", e.newOffset)); //$NON-NLS-1$ | |
| 129 | 393 } |
| 394 | |
| 395 /** | |
| 396 * Monitors the area of the viewer's document that is visible in the viewer. | |
| 397 * If the area might have changed, it informs the text viewer about this | |
| 398 * potential change and its origin. The origin is internally used for optimization | |
| 399 * purposes. | |
| 400 */ | |
| 401 class ViewportGuard : MouseAdapter | |
| 402 , ControlListener, KeyListener, SelectionListener { | |
| 403 | |
| 404 /* | |
| 405 * @see ControlListener#controlResized(ControlEvent) | |
| 406 */ | |
| 407 public void controlResized(ControlEvent e) { | |
| 408 updateViewportListeners(RESIZE); | |
| 409 } | |
| 410 | |
| 411 /* | |
| 412 * @see ControlListener#controlMoved(ControlEvent) | |
| 413 */ | |
| 414 public void controlMoved(ControlEvent e) { | |
| 415 } | |
| 416 | |
| 417 /* | |
| 418 * @see KeyListener#keyReleased | |
| 419 */ | |
| 420 public void keyReleased(KeyEvent e) { | |
| 421 updateViewportListeners(KEY); | |
| 422 } | |
| 423 | |
| 424 /* | |
| 425 * @see KeyListener#keyPressed | |
| 426 */ | |
| 427 public void keyPressed(KeyEvent e) { | |
| 428 updateViewportListeners(KEY); | |
| 429 } | |
| 430 | |
| 431 /* | |
| 432 * @see MouseListener#mouseUp | |
| 433 */ | |
| 434 public void mouseUp(MouseEvent e) { | |
| 435 if (fTextWidget !is null) | |
| 436 fTextWidget.removeSelectionListener(this); | |
| 437 updateViewportListeners(MOUSE_END); | |
| 438 } | |
| 439 | |
| 440 /* | |
| 441 * @see MouseListener#mouseDown | |
| 442 */ | |
| 443 public void mouseDown(MouseEvent e) { | |
| 444 if (fTextWidget !is null) | |
| 445 fTextWidget.addSelectionListener(this); | |
| 446 } | |
| 447 | |
| 448 /* | |
| 449 * @see SelectionListener#widgetSelected | |
| 450 */ | |
| 451 public void widgetSelected(SelectionEvent e) { | |
| 452 if (e.widget is fScroller) | |
| 453 updateViewportListeners(SCROLLER); | |
| 454 else | |
| 455 updateViewportListeners(MOUSE); | |
| 456 } | |
| 457 | |
| 458 /* | |
| 459 * @see SelectionListener#widgetDefaultSelected | |
| 460 */ | |
| 461 public void widgetDefaultSelected(SelectionEvent e) {} | |
| 462 } | |
| 463 | |
| 464 /** | |
| 465 * This position updater is used to keep the selection during text shift operations. | |
| 466 */ | |
| 467 static class ShiftPositionUpdater : DefaultPositionUpdater { | |
| 468 | |
| 469 /** | |
| 470 * Creates the position updater for the given category. | |
| 471 * | |
| 472 * @param category the category this updater takes care of | |
| 473 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
474 protected this(String category) { |
| 129 | 475 super(category); |
| 476 } | |
| 477 | |
| 478 /** | |
| 479 * If an insertion happens at the selection's start offset, | |
| 480 * the position is extended rather than shifted. | |
| 481 */ | |
| 482 protected void adaptToInsert() { | |
| 483 | |
| 484 int myStart= fPosition.offset; | |
| 485 int myEnd= fPosition.offset + fPosition.length -1; | |
| 486 myEnd= Math.max(myStart, myEnd); | |
| 487 | |
| 488 int yoursStart= fOffset; | |
| 489 int yoursEnd= fOffset + fReplaceLength -1; | |
| 490 yoursEnd= Math.max(yoursStart, yoursEnd); | |
| 491 | |
| 492 if (myEnd < yoursStart) | |
| 493 return; | |
| 494 | |
| 495 if (myStart <= yoursStart) { | |
| 496 fPosition.length += fReplaceLength; | |
| 497 return; | |
| 498 } | |
| 499 | |
| 500 if (myStart > yoursStart) | |
| 501 fPosition.offset += fReplaceLength; | |
| 502 } | |
| 503 } | |
| 504 | |
| 505 /** | |
| 506 * Internal document listener on the visible document. | |
| 507 */ | |
| 508 class VisibleDocumentListener : IDocumentListener { | |
| 509 | |
| 510 /* | |
| 511 * @see IDocumentListener#documentAboutToBeChanged | |
| 512 */ | |
| 513 public void documentAboutToBeChanged(DocumentEvent e) { | |
| 514 if (e.getDocument() is getVisibleDocument()) | |
| 515 fWidgetCommand.setEvent(e); | |
| 516 handleVisibleDocumentAboutToBeChanged(e); | |
| 517 } | |
| 518 | |
| 519 /* | |
| 520 * @see IDocumentListener#documentChanged | |
| 521 */ | |
| 522 public void documentChanged(DocumentEvent e) { | |
| 523 if (fWidgetCommand.event is e) | |
| 524 updateTextListeners(fWidgetCommand); | |
| 525 fLastSentSelectionChange= null; | |
| 526 handleVisibleDocumentChanged(e); | |
| 527 } | |
| 528 } | |
| 529 | |
| 530 /** | |
| 531 * Internal verify listener. | |
| 532 */ | |
| 533 class TextVerifyListener : VerifyListener { | |
| 534 | |
| 535 /** | |
| 536 * Indicates whether verify events are forwarded or ignored. | |
| 537 * @since 2.0 | |
| 538 */ | |
| 539 private bool fForward= true; | |
| 540 | |
| 541 /** | |
| 542 * Tells the listener to forward received events. | |
| 543 * | |
| 544 * @param forward <code>true</code> if forwarding should be enabled. | |
| 545 * @since 2.0 | |
| 546 */ | |
| 547 public void forward(bool forward) { | |
| 548 fForward= forward; | |
| 549 } | |
| 550 | |
| 551 /* | |
| 552 * @see VerifyListener#verifyText(VerifyEvent) | |
| 553 */ | |
| 554 public void verifyText(VerifyEvent e) { | |
| 555 if (fForward) | |
| 556 handleVerifyEvent(e); | |
| 557 } | |
| 558 } | |
| 559 | |
| 560 /** | |
| 561 * The viewer's manager responsible for registered verify key listeners. | |
| 562 * Uses batches rather than robust iterators because of performance issues. | |
| 563 * <p> | |
| 564 * The implementation is reentrant, i.e. installed listeners may trigger | |
| 565 * further <code>VerifyKeyEvent</code>s that may cause other listeners to be | |
| 566 * installed, but not thread safe. | |
| 567 * </p> | |
| 568 * @since 2.0 | |
| 569 */ | |
| 570 class VerifyKeyListenersManager : VerifyKeyListener { | |
| 571 | |
| 572 /** | |
| 573 * Represents a batched addListener/removeListener command. | |
| 574 */ | |
| 575 class Batch { | |
| 576 /** The index at which to insert the listener. */ | |
| 577 int index; | |
| 578 /** The listener to be inserted. */ | |
| 579 VerifyKeyListener listener; | |
| 580 | |
| 581 /** | |
| 582 * Creates a new batch containing the given listener for the given index. | |
| 583 * | |
| 584 * @param l the listener to be added | |
| 585 * @param i the index at which to insert the listener | |
| 586 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
587 public this(VerifyKeyListener l, int i) { |
| 129 | 588 listener= l; |
| 589 index= i; | |
| 590 } | |
| 591 } | |
| 592 | |
| 593 /** List of registered verify key listeners. */ | |
| 162 | 594 private List fListeners; |
| 129 | 595 /** List of pending batches. */ |
| 162 | 596 private List fBatched; |
| 129 | 597 /** The reentrance count. */ |
| 598 private int fReentranceCount= 0; | |
| 599 | |
| 162 | 600 this(){ |
| 601 fListeners= new ArrayList(); | |
| 602 fBatched= new ArrayList(); | |
| 603 } | |
| 604 | |
| 129 | 605 /* |
| 606 * @see VerifyKeyListener#verifyKey(VerifyEvent) | |
| 607 */ | |
| 608 public void verifyKey(VerifyEvent event) { | |
| 609 if (fListeners.isEmpty()) | |
| 610 return; | |
| 611 | |
| 612 try { | |
| 613 fReentranceCount++; | |
| 614 Iterator iterator= fListeners.iterator(); | |
| 615 while (iterator.hasNext() && event.doit) { | |
| 134 | 616 VerifyKeyListener listener= cast(VerifyKeyListener) iterator.next(); |
| 129 | 617 listener.verifyKey(event); // we might trigger reentrant calls on GTK |
| 618 } | |
| 619 } finally { | |
| 620 fReentranceCount--; | |
| 621 } | |
| 622 if (fReentranceCount is 0) | |
| 623 processBatchedRequests(); | |
| 624 } | |
| 625 | |
| 626 /** | |
| 627 * Processes the pending batched requests. | |
| 628 */ | |
| 629 private void processBatchedRequests() { | |
| 630 if (!fBatched.isEmpty()) { | |
| 631 Iterator e= fBatched.iterator(); | |
| 632 while (e.hasNext()) { | |
| 134 | 633 Batch batch= cast(Batch) e.next(); |
| 129 | 634 insertListener(batch.listener, batch.index); |
| 635 } | |
| 636 fBatched.clear(); | |
| 637 } | |
| 638 } | |
| 639 | |
| 640 /** | |
| 641 * Returns the number of registered verify key listeners. | |
| 642 * | |
| 643 * @return the number of registered verify key listeners | |
| 644 */ | |
| 645 public int numberOfListeners() { | |
| 646 return fListeners.size(); | |
| 647 } | |
| 648 | |
| 649 /** | |
| 650 * Inserts the given listener at the given index or moves it | |
| 651 * to that index. | |
| 652 * | |
| 653 * @param listener the listener to be inserted | |
| 654 * @param index the index of the listener or -1 for remove | |
| 655 */ | |
| 656 public void insertListener(VerifyKeyListener listener, int index) { | |
| 657 | |
| 658 if (index is -1) { | |
| 659 removeListener(listener); | |
| 660 } else if (listener !is null) { | |
| 661 | |
| 662 if (fReentranceCount > 0) { | |
| 663 | |
| 664 fBatched.add(new Batch(listener, index)); | |
| 665 | |
| 666 } else { | |
| 667 | |
| 668 int idx= -1; | |
| 669 | |
| 670 // find index based on identity | |
| 671 int size= fListeners.size(); | |
| 672 for (int i= 0; i < size; i++) { | |
| 162 | 673 if (cast(Object)listener is fListeners.get(i)) { |
| 129 | 674 idx= i; |
| 675 break; | |
| 676 } | |
| 677 } | |
| 678 | |
| 679 // move or add it | |
| 680 if (idx !is index) { | |
| 681 | |
| 682 if (idx !is -1) | |
| 683 fListeners.remove(idx); | |
| 684 | |
| 685 if (index > fListeners.size()) | |
| 162 | 686 fListeners.add(cast(Object)listener); |
| 129 | 687 else |
| 162 | 688 fListeners.add(index, cast(Object)listener); |
| 129 | 689 } |
| 690 | |
| 691 if (size is 0) // checking old size, i.e. current size is size + 1 | |
| 692 install(); | |
| 693 } | |
| 694 } | |
| 695 } | |
| 696 | |
| 697 /** | |
| 698 * Removes the given listener. | |
| 699 * | |
| 700 * @param listener the listener to be removed | |
| 701 */ | |
| 702 public void removeListener(VerifyKeyListener listener) { | |
| 703 if (listener is null) | |
| 704 return; | |
| 705 | |
| 706 if (fReentranceCount > 0) { | |
| 707 | |
| 708 fBatched.add(new Batch(listener, -1)); | |
| 709 | |
| 710 } else { | |
| 711 | |
| 712 int size= fListeners.size(); | |
| 713 for (int i= 0; i < size; i++) { | |
| 162 | 714 if (cast(Object)listener is fListeners.get(i)) { |
| 129 | 715 fListeners.remove(i); |
| 716 if (size is 1) // checking old size, i.e. current size is size - 1 | |
| 717 uninstall(); | |
| 718 return; | |
| 719 } | |
| 720 } | |
| 721 } | |
| 722 } | |
| 723 | |
| 724 /** | |
| 725 * Installs this manager. | |
| 726 */ | |
| 727 private void install() { | |
| 728 StyledText textWidget= getTextWidget(); | |
| 729 if (textWidget !is null && !textWidget.isDisposed()) | |
| 730 textWidget.addVerifyKeyListener(this); | |
| 731 } | |
| 732 | |
| 733 /** | |
| 734 * Uninstalls this manager. | |
| 735 */ | |
| 736 private void uninstall() { | |
| 737 StyledText textWidget= getTextWidget(); | |
| 738 if (textWidget !is null && !textWidget.isDisposed()) | |
| 739 textWidget.removeVerifyKeyListener(this); | |
| 740 } | |
| 741 } | |
| 742 | |
| 743 | |
| 744 /** | |
| 745 * Reification of a range in which a find replace operation is performed. This range is visually | |
| 746 * highlighted in the viewer as long as the replace operation is in progress. | |
| 747 * | |
| 748 * @since 2.0 | |
| 749 */ | |
| 750 class FindReplaceRange : LineBackgroundListener, ITextListener, IPositionUpdater { | |
| 751 | |
| 752 /** Internal name for the position category used to update the range. */ | |
| 146 | 753 private const static String RANGE_CATEGORY= "dwtx.jface.text.TextViewer.find.range"; //$NON-NLS-1$ |
| 129 | 754 |
| 755 /** The highlight color of this range. */ | |
| 756 private Color fHighlightColor; | |
| 757 /** The position used to lively update this range's extent. */ | |
| 758 private Position fPosition; | |
| 759 | |
| 760 /** Creates a new find/replace range with the given extent. | |
| 761 * | |
| 762 * @param range the extent of this range | |
| 763 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
764 public this(IRegion range) { |
| 129 | 765 setRange(range); |
| 766 } | |
| 767 | |
| 768 /** | |
| 769 * Sets the extent of this range. | |
| 770 * | |
| 771 * @param range the extent of this range | |
| 772 */ | |
| 773 public void setRange(IRegion range) { | |
| 774 fPosition= new Position(range.getOffset(), range.getLength()); | |
| 775 } | |
| 776 | |
| 777 /** | |
| 778 * Returns the extent of this range. | |
| 779 * | |
| 780 * @return the extent of this range | |
| 781 */ | |
| 782 public IRegion getRange() { | |
| 783 return new Region(fPosition.getOffset(), fPosition.getLength()); | |
| 784 } | |
| 785 | |
| 786 /** | |
| 787 * Sets the highlight color of this range. Causes the range to be redrawn. | |
| 788 * | |
| 789 * @param color the highlight color | |
| 790 */ | |
| 791 public void setHighlightColor(Color color) { | |
| 792 fHighlightColor= color; | |
| 793 paint(); | |
| 794 } | |
| 795 | |
| 796 /* | |
| 797 * @see LineBackgroundListener#lineGetBackground(LineBackgroundEvent) | |
| 798 * @since 2.0 | |
| 799 */ | |
| 800 public void lineGetBackground(LineBackgroundEvent event) { | |
| 801 /* Don't use cached line information because of patched redrawing events. */ | |
| 802 | |
| 803 if (fTextWidget !is null) { | |
| 804 int offset= widgetOffset2ModelOffset(event.lineOffset); | |
| 805 if (fPosition.includes(offset)) | |
| 806 event.lineBackground= fHighlightColor; | |
| 807 } | |
| 808 } | |
| 809 | |
| 810 /** | |
| 811 * Installs this range. The range registers itself as background | |
| 812 * line painter and text listener. Also, it creates a category with the | |
| 813 * viewer's document to maintain its own extent. | |
| 814 */ | |
| 815 public void install() { | |
| 137 | 816 this.outer.addTextListener(this); |
| 129 | 817 fTextWidget.addLineBackgroundListener(this); |
| 818 | |
| 137 | 819 IDocument document= this.outer.getDocument(); |
| 129 | 820 try { |
| 821 document.addPositionCategory(RANGE_CATEGORY); | |
| 822 document.addPosition(RANGE_CATEGORY, fPosition); | |
| 823 document.addPositionUpdater(this); | |
| 824 } catch (BadPositionCategoryException e) { | |
| 825 // should not happen | |
| 826 } catch (BadLocationException e) { | |
| 827 // should not happen | |
| 828 } | |
| 829 | |
| 830 paint(); | |
| 831 } | |
| 832 | |
| 833 /** | |
| 834 * Uninstalls this range. | |
| 835 * @see #install() | |
| 836 */ | |
| 837 public void uninstall() { | |
| 838 | |
| 839 // http://bugs.eclipse.org/bugs/show_bug.cgi?id=19612 | |
| 840 | |
| 137 | 841 IDocument document= this.outer.getDocument(); |
| 129 | 842 if (document !is null) { |
| 843 document.removePositionUpdater(this); | |
| 844 document.removePosition(fPosition); | |
| 845 } | |
| 846 | |
| 847 if (fTextWidget !is null && !fTextWidget.isDisposed()) | |
| 848 fTextWidget.removeLineBackgroundListener(this); | |
| 849 | |
| 137 | 850 this.outer.removeTextListener(this); |
| 129 | 851 |
| 852 clear(); | |
| 853 } | |
| 854 | |
| 855 /** | |
| 856 * Clears the highlighting of this range. | |
| 857 */ | |
| 858 private void clear() { | |
| 859 if (fTextWidget !is null && !fTextWidget.isDisposed()) | |
| 860 fTextWidget.redraw(); | |
| 861 } | |
| 862 | |
| 863 /** | |
| 864 * Paints the highlighting of this range. | |
| 865 */ | |
| 866 private void paint() { | |
| 867 | |
| 868 IRegion widgetRegion= modelRange2WidgetRange(fPosition); | |
| 869 int offset= widgetRegion.getOffset(); | |
| 870 int length= widgetRegion.getLength(); | |
| 871 | |
| 872 int count= fTextWidget.getCharCount(); | |
| 873 if (offset + length >= count) { | |
| 874 length= count - offset; // clip | |
| 875 | |
| 876 Point upperLeft= fTextWidget.getLocationAtOffset(offset); | |
| 877 Point lowerRight= fTextWidget.getLocationAtOffset(offset + length); | |
| 878 int width= fTextWidget.getClientArea().width; | |
| 879 int height= fTextWidget.getLineHeight(offset + length) + lowerRight.y - upperLeft.y; | |
| 880 fTextWidget.redraw(upperLeft.x, upperLeft.y, width, height, false); | |
| 881 } | |
| 882 | |
| 883 fTextWidget.redrawRange(offset, length, true); | |
| 884 } | |
| 885 | |
| 886 /* | |
| 887 * @see ITextListener#textChanged(TextEvent) | |
| 888 * @since 2.0 | |
| 889 */ | |
| 890 public void textChanged(TextEvent event) { | |
| 891 if (event.getViewerRedrawState()) | |
| 892 paint(); | |
| 893 } | |
| 894 | |
| 895 /* | |
| 896 * @see IPositionUpdater#update(DocumentEvent) | |
| 897 * @since 2.0 | |
| 898 */ | |
| 899 public void update(DocumentEvent event) { | |
| 900 int offset= event.getOffset(); | |
| 901 int length= event.getLength(); | |
| 162 | 902 int delta= event.getText().length - length; |
| 129 | 903 |
| 904 if (offset < fPosition.getOffset()) | |
| 905 fPosition.setOffset(fPosition.getOffset() + delta); | |
| 906 else if (offset < fPosition.getOffset() + fPosition.getLength()) | |
| 907 fPosition.setLength(fPosition.getLength() + delta); | |
| 908 } | |
| 909 } | |
| 910 | |
| 911 /** | |
| 912 * This viewer's find/replace target. | |
| 913 */ | |
| 914 class FindReplaceTarget : IFindReplaceTarget, IFindReplaceTargetExtension, IFindReplaceTargetExtension3 { | |
| 915 | |
| 916 /** The range for this target. */ | |
| 917 private FindReplaceRange fRange; | |
| 918 /** The highlight color of the range of this target. */ | |
| 919 private Color fScopeHighlightColor; | |
| 920 /** The document partitioner remembered in case of a "Replace All". */ | |
| 921 private Map fRememberedPartitioners; | |
| 922 /** | |
| 923 * The active rewrite session. | |
| 924 * @since 3.1 | |
| 925 */ | |
| 926 private DocumentRewriteSession fRewriteSession; | |
| 927 | |
| 928 /* | |
| 929 * @see IFindReplaceTarget#getSelectionText() | |
| 930 */ | |
| 931 public String getSelectionText() { | |
| 137 | 932 Point s= this.outer.getSelectedRange(); |
| 129 | 933 if (s.x > -1 && s.y > -1) { |
| 934 try { | |
| 137 | 935 IDocument document= this.outer.getDocument(); |
| 129 | 936 return document.get(s.x, s.y); |
| 937 } catch (BadLocationException x) { | |
| 938 } | |
| 939 } | |
| 940 return ""; //$NON-NLS-1$ | |
| 941 } | |
| 942 | |
| 943 /* | |
| 944 * @see IFindReplaceTarget#replaceSelection(String) | |
| 945 */ | |
| 946 public void replaceSelection(String text) { | |
| 947 replaceSelection(text, false); | |
| 948 } | |
| 949 | |
| 950 /* | |
| 951 * @see IFindReplaceTarget#replaceSelection(String) | |
| 952 */ | |
| 953 public void replaceSelection(String text, bool regExReplace) { | |
| 137 | 954 Point s= this.outer.getSelectedRange(); |
| 129 | 955 if (s.x > -1 && s.y > -1) { |
| 956 try { | |
| 137 | 957 IRegion matchRegion= this.outer.getFindReplaceDocumentAdapter().replace(text, regExReplace); |
| 129 | 958 int length= -1; |
| 959 if (matchRegion !is null) | |
| 960 length= matchRegion.getLength(); | |
| 961 | |
| 962 if (text !is null && length > 0) | |
| 137 | 963 this.outer.setSelectedRange(s.x, length); |
| 129 | 964 } catch (BadLocationException x) { |
| 965 } | |
| 966 } | |
| 967 } | |
| 968 | |
| 969 /* | |
| 970 * @see IFindReplaceTarget#isEditable() | |
| 971 */ | |
| 972 public bool isEditable() { | |
| 137 | 973 return this.outer.isEditable(); |
| 129 | 974 } |
| 975 | |
| 976 /* | |
| 977 * @see IFindReplaceTarget#getSelection() | |
| 978 */ | |
| 979 public Point getSelection() { | |
| 137 | 980 Point modelSelection= this.outer.getSelectedRange(); |
| 129 | 981 Point widgetSelection= modelSelection2WidgetSelection(modelSelection); |
| 982 return widgetSelection !is null ? widgetSelection : new Point(-1, -1); | |
| 983 } | |
| 984 | |
| 985 /* | |
| 986 * @see IFindReplaceTarget#findAndSelect(int, String, bool, bool, bool) | |
| 987 */ | |
| 988 public int findAndSelect(int widgetOffset, String findString, bool searchForward, bool caseSensitive, bool wholeWord) { | |
| 989 try { | |
| 990 return findAndSelect(widgetOffset, findString, searchForward, caseSensitive, wholeWord, false); | |
| 991 } catch (PatternSyntaxException x) { | |
| 992 return -1; | |
| 993 } | |
| 994 } | |
| 995 | |
| 996 /* | |
| 997 * @see IFindReplaceTarget#findAndSelect(int, String, bool, bool, bool) | |
| 998 */ | |
| 999 public int findAndSelect(int widgetOffset, String findString, bool searchForward, bool caseSensitive, bool wholeWord, bool regExSearch) { | |
| 1000 | |
| 1001 int modelOffset= widgetOffset is -1 ? -1 : widgetOffset2ModelOffset(widgetOffset); | |
| 1002 | |
| 1003 if (fRange !is null) { | |
| 1004 IRegion range= fRange.getRange(); | |
| 137 | 1005 modelOffset= this.outer.findAndSelectInRange(modelOffset, findString, searchForward, caseSensitive, wholeWord, range.getOffset(), range.getLength(), regExSearch); |
| 129 | 1006 } else { |
| 137 | 1007 modelOffset= this.outer.findAndSelect(modelOffset, findString, searchForward, caseSensitive, wholeWord, regExSearch); |
| 129 | 1008 } |
| 1009 | |
| 1010 widgetOffset= modelOffset is -1 ? -1 : modelOffset2WidgetOffset(modelOffset); | |
| 1011 return widgetOffset; | |
| 1012 } | |
| 1013 | |
| 1014 /* | |
| 1015 * @see IFindReplaceTarget#canPerformFind() | |
| 1016 */ | |
| 1017 public bool canPerformFind() { | |
| 137 | 1018 return this.outer.canPerformFind(); |
| 129 | 1019 } |
| 1020 | |
| 1021 /* | |
| 1022 * @see IFindReplaceTargetExtension#beginSession() | |
| 1023 * @since 2.0 | |
| 1024 */ | |
| 1025 public void beginSession() { | |
| 1026 fRange= null; | |
| 1027 } | |
| 1028 | |
| 1029 /* | |
| 1030 * @see IFindReplaceTargetExtension#endSession() | |
| 1031 * @since 2.0 | |
| 1032 */ | |
| 1033 public void endSession() { | |
| 1034 if (fRange !is null) { | |
| 1035 fRange.uninstall(); | |
| 1036 fRange= null; | |
| 1037 } | |
| 1038 } | |
| 1039 | |
| 1040 /* | |
| 1041 * @see IFindReplaceTargetExtension#getScope() | |
| 1042 * @since 2.0 | |
| 1043 */ | |
| 1044 public IRegion getScope() { | |
| 1045 return fRange is null ? null : fRange.getRange(); | |
| 1046 } | |
| 1047 | |
| 1048 /* | |
| 1049 * @see IFindReplaceTargetExtension#getLineSelection() | |
| 1050 * @since 2.0 | |
| 1051 */ | |
| 1052 public Point getLineSelection() { | |
| 137 | 1053 Point point= this.outer.getSelectedRange(); |
| 129 | 1054 |
| 1055 try { | |
| 137 | 1056 IDocument document= this.outer.getDocument(); |
| 129 | 1057 |
| 1058 // beginning of line | |
| 1059 int line= document.getLineOfOffset(point.x); | |
| 1060 int offset= document.getLineOffset(line); | |
| 1061 | |
| 1062 // end of line | |
| 1063 IRegion lastLineInfo= document.getLineInformationOfOffset(point.x + point.y); | |
| 1064 int lastLine= document.getLineOfOffset(point.x + point.y); | |
| 1065 int length; | |
| 1066 if (lastLineInfo.getOffset() is point.x + point.y && lastLine > 0) | |
| 1067 length= document.getLineOffset(lastLine - 1) + document.getLineLength(lastLine - 1) - offset; | |
| 1068 else | |
| 1069 length= lastLineInfo.getOffset() + lastLineInfo.getLength() - offset; | |
| 1070 | |
| 1071 return new Point(offset, length); | |
| 1072 | |
| 1073 } catch (BadLocationException e) { | |
| 1074 // should not happen | |
| 1075 return new Point(point.x, 0); | |
| 1076 } | |
| 1077 } | |
| 1078 | |
| 1079 /* | |
| 1080 * @see IFindReplaceTargetExtension#setSelection(int, int) | |
| 1081 * @since 2.0 | |
| 1082 */ | |
| 1083 public void setSelection(int modelOffset, int modelLength) { | |
| 137 | 1084 this.outer.setSelectedRange(modelOffset, modelLength); |
| 129 | 1085 } |
| 1086 | |
| 1087 /* | |
| 1088 * @see IFindReplaceTargetExtension#setScope(IRegion) | |
| 1089 * @since 2.0 | |
| 1090 */ | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1091 public void setScope(IRegion scope_) { |
| 129 | 1092 if (fRange !is null) |
| 1093 fRange.uninstall(); | |
| 1094 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1095 if (scope_ is null) { |
| 129 | 1096 fRange= null; |
| 1097 return; | |
| 1098 } | |
| 1099 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1100 fRange= new FindReplaceRange(scope_); |
| 129 | 1101 fRange.setHighlightColor(fScopeHighlightColor); |
| 1102 fRange.install(); | |
| 1103 } | |
| 1104 | |
| 1105 /* | |
| 1106 * @see IFindReplaceTargetExtension#setScopeHighlightColor(Color) | |
| 1107 * @since 2.0 | |
| 1108 */ | |
| 1109 public void setScopeHighlightColor(Color color) { | |
| 1110 if (fRange !is null) | |
| 1111 fRange.setHighlightColor(color); | |
| 1112 fScopeHighlightColor= color; | |
| 1113 } | |
| 1114 | |
| 1115 /* | |
| 1116 * @see IFindReplaceTargetExtension#setReplaceAllMode(bool) | |
| 1117 * @since 2.0 | |
| 1118 */ | |
| 1119 public void setReplaceAllMode(bool replaceAll) { | |
| 1120 | |
| 1121 // http://bugs.eclipse.org/bugs/show_bug.cgi?id=18232 | |
| 1122 | |
| 137 | 1123 IDocument document= this.outer.getDocument(); |
| 129 | 1124 |
| 1125 if (replaceAll) { | |
| 1126 | |
| 138 | 1127 if ( cast(IDocumentExtension4)document ) { |
| 134 | 1128 IDocumentExtension4 extension= cast(IDocumentExtension4) document; |
| 129 | 1129 fRewriteSession= extension.startRewriteSession(DocumentRewriteSessionType.SEQUENTIAL); |
| 1130 } else { | |
| 137 | 1131 this.outer.setRedraw(false); |
| 1132 this.outer.startSequentialRewriteMode(false); | |
| 129 | 1133 |
| 1134 if (fUndoManager !is null) | |
| 1135 fUndoManager.beginCompoundChange(); | |
| 1136 | |
| 1137 fRememberedPartitioners= TextUtilities.removeDocumentPartitioners(document); | |
| 1138 } | |
| 1139 | |
| 1140 } else { | |
| 1141 | |
| 138 | 1142 if ( cast(IDocumentExtension4)document ) { |
| 134 | 1143 IDocumentExtension4 extension= cast(IDocumentExtension4) document; |
| 129 | 1144 extension.stopRewriteSession(fRewriteSession); |
| 1145 } else { | |
| 137 | 1146 this.outer.setRedraw(true); |
| 1147 this.outer.stopSequentialRewriteMode(); | |
| 129 | 1148 |
| 1149 if (fUndoManager !is null) | |
| 1150 fUndoManager.endCompoundChange(); | |
| 1151 | |
| 1152 if (fRememberedPartitioners !is null) | |
| 1153 TextUtilities.addDocumentPartitioners(document, fRememberedPartitioners); | |
| 1154 } | |
| 1155 } | |
| 1156 } | |
| 1157 } | |
| 1158 | |
| 1159 | |
| 1160 /** | |
| 1161 * The viewer's rewrite target. | |
| 1162 * @since 2.0 | |
| 1163 */ | |
| 1164 class RewriteTarget : IRewriteTarget { | |
| 1165 | |
| 1166 /* | |
| 1167 * @see dwtx.jface.text.IRewriteTarget#beginCompoundChange() | |
| 1168 */ | |
| 1169 public void beginCompoundChange() { | |
| 1170 if (fUndoManager !is null) | |
| 1171 fUndoManager.beginCompoundChange(); | |
| 1172 } | |
| 1173 | |
| 1174 /* | |
| 1175 * @see dwtx.jface.text.IRewriteTarget#endCompoundChange() | |
| 1176 */ | |
| 1177 public void endCompoundChange() { | |
| 1178 if (fUndoManager !is null) | |
| 1179 fUndoManager.endCompoundChange(); | |
| 1180 } | |
| 1181 | |
| 1182 /* | |
| 1183 * @see dwtx.jface.text.IRewriteTarget#getDocument() | |
| 1184 */ | |
| 1185 public IDocument getDocument() { | |
| 137 | 1186 return this.outer.getDocument(); |
| 129 | 1187 } |
| 1188 | |
| 1189 /* | |
| 1190 * @see dwtx.jface.text.IRewriteTarget#setRedraw(bool) | |
| 1191 */ | |
| 1192 public void setRedraw(bool redraw) { | |
| 137 | 1193 this.outer.setRedraw(redraw); |
| 129 | 1194 } |
| 1195 } | |
| 1196 | |
| 1197 /** | |
| 1198 * Value object used as key in the text hover configuration table. It is | |
| 1199 * modifiable only inside this compilation unit to allow the reuse of created | |
| 1200 * objects for efficiency reasons | |
| 1201 * | |
| 1202 * @since 2.1 | |
| 1203 */ | |
| 1204 protected class TextHoverKey { | |
| 1205 | |
| 1206 /** The content type this key belongs to */ | |
| 1207 private String fContentType; | |
| 1208 /** The state mask */ | |
| 1209 private int fStateMask; | |
| 1210 | |
| 1211 /** | |
| 1212 * Creates a new text hover key for the given content type and state mask. | |
| 1213 * | |
| 1214 * @param contentType the content type | |
| 1215 * @param stateMask the state mask | |
| 1216 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
1217 protected this(String contentType, int stateMask) { |
| 162 | 1218 //Assert.isNotNull(contentType); |
| 129 | 1219 fContentType= contentType; |
| 1220 fStateMask= stateMask; | |
| 1221 } | |
| 1222 | |
| 1223 /* | |
| 1224 * @see java.lang.Object#equals(java.lang.Object) | |
| 1225 */ | |
| 162 | 1226 public override int opEquals(Object obj) { |
| 1227 if (obj is null || obj.classinfo !is this.classinfo ) | |
| 129 | 1228 return false; |
| 134 | 1229 TextHoverKey textHoverKey= cast(TextHoverKey)obj; |
| 129 | 1230 return textHoverKey.fContentType.equals(fContentType) && textHoverKey.fStateMask is fStateMask; |
| 1231 } | |
| 1232 | |
| 1233 /* | |
| 1234 * @see java.lang.Object#hashCode() | |
| 1235 */ | |
| 160 | 1236 public override hash_t toHash() { |
| 162 | 1237 return fStateMask << 16 | .toHash(fContentType); |
| 129 | 1238 } |
| 1239 | |
| 1240 /** | |
| 1241 * Sets the state mask of this text hover key. | |
| 1242 * | |
| 1243 * @param stateMask the state mask | |
| 1244 */ | |
| 1245 private void setStateMask(int stateMask) { | |
| 1246 fStateMask= stateMask; | |
| 1247 } | |
| 1248 } | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1249 |
| 129 | 1250 /** |
| 1251 * Captures and remembers the viewer state (selection and visual position). {@link TextViewer.ViewerState} | |
| 1252 * instances are normally used once and then discarded, similar to the following snippet: | |
| 1253 * <pre> | |
| 1254 * ViewerState state= new ViewerState(); // remember the state | |
| 1255 * doStuff(); // operation that may call setRedraw() and perform complex document modifications | |
| 1256 * state.restore(true); // restore the remembered state | |
| 1257 * </pre> | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1258 * |
| 129 | 1259 * @since 3.3 |
| 1260 */ | |
| 1261 private final class ViewerState { | |
| 1262 /** The position tracking the selection. */ | |
| 1263 private Position fSelection; | |
| 1264 /** <code>true</code> if {@link #fSelection} was originally backwards. */ | |
| 1265 private bool fReverseSelection; | |
| 1266 /** <code>true</code> if the selection has been updated while in redraw(off) mode. */ | |
| 1267 private bool fSelectionSet; | |
| 1268 /** The position tracking the visually stable line. */ | |
| 1269 private Position fStableLine; | |
| 1270 /** The pixel offset of the stable line measured from the client area. */ | |
| 1271 private int fStablePixel; | |
| 1272 | |
| 1273 /** The position updater for {@link #fSelection} and {@link #fStableLine}. */ | |
| 1274 private IPositionUpdater fUpdater; | |
| 1275 /** The document that the position updater and the positions are registered with. */ | |
| 1276 private IDocument fUpdaterDocument; | |
| 1277 /** The position category used by {@link #fUpdater}. */ | |
| 1278 private String fUpdaterCategory; | |
| 1279 | |
| 1280 /** | |
| 1281 * Creates a new viewer state instance and connects it to the current document. | |
| 1282 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
1283 public this() { |
| 129 | 1284 IDocument document= getDocument(); |
| 1285 if (document !is null) | |
| 1286 connect(document); | |
| 1287 } | |
| 1288 | |
| 1289 /** | |
| 1290 * Returns the normalized selection, i.e. the the selection length is always non-negative. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1291 * |
| 129 | 1292 * @return the normalized selection |
| 1293 */ | |
| 1294 public Point getSelection() { | |
| 1295 if (fSelection is null) | |
| 1296 return new Point(-1, -1); | |
| 1297 return new Point(fSelection.getOffset(), fSelection.getLength()); | |
| 1298 } | |
| 1299 | |
| 1300 /** | |
| 1301 * Updates the selection. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1302 * |
| 129 | 1303 * @param offset the new selection offset |
| 1304 * @param length the new selection length | |
| 1305 */ | |
| 1306 public void updateSelection(int offset, int length) { | |
| 1307 fSelectionSet= true; | |
| 1308 if (fSelection is null) | |
| 1309 fSelection= new Position(offset, length); | |
| 1310 else | |
| 1311 updatePosition(fSelection, offset, length); | |
| 1312 } | |
| 1313 | |
| 1314 /** | |
| 1315 * Restores the state and disconnects it from the document. The selection is no longer | |
| 1316 * tracked after this call. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1317 * |
| 129 | 1318 * @param restoreViewport <code>true</code> to restore both selection and viewport, |
| 1319 * <code>false</code> to only restore the selection | |
| 1320 */ | |
| 1321 public void restore(bool restoreViewport) { | |
| 1322 if (isConnected()) | |
| 1323 disconnect(); | |
| 1324 if (fSelection !is null) { | |
| 1325 int offset= fSelection.getOffset(); | |
| 1326 int length= fSelection.getLength(); | |
| 1327 if (fReverseSelection) { | |
| 1328 offset-= length; | |
| 1329 length= -length; | |
| 1330 } | |
| 1331 setSelectedRange(offset, length); | |
| 1332 if (restoreViewport) | |
| 1333 updateViewport(); | |
| 1334 } | |
| 1335 } | |
| 1336 | |
| 1337 /** | |
| 1338 * Updates the viewport, trying to keep the | |
| 1339 * {@linkplain StyledText#getLinePixel(int) line pixel} of the caret line stable. If the | |
| 1340 * selection has been updated while in redraw(false) mode, the new selection is revealed. | |
| 1341 */ | |
| 1342 private void updateViewport() { | |
| 1343 if (fSelectionSet) { | |
| 1344 revealRange(fSelection.getOffset(), fSelection.getLength()); | |
| 1345 } else if (fStableLine !is null) { | |
| 1346 int stableLine; | |
| 1347 try { | |
| 1348 stableLine= fUpdaterDocument.getLineOfOffset(fStableLine.getOffset()); | |
| 1349 } catch (BadLocationException x) { | |
| 1350 // ignore and return silently | |
| 1351 return; | |
| 1352 } | |
| 1353 int stableWidgetLine= getClosestWidgetLineForModelLine(stableLine); | |
| 1354 if (stableWidgetLine is -1) | |
| 1355 return; | |
| 1356 int linePixel= getTextWidget().getLinePixel(stableWidgetLine); | |
| 1357 int delta= fStablePixel - linePixel; | |
| 1358 int topPixel= getTextWidget().getTopPixel(); | |
| 1359 getTextWidget().setTopPixel(topPixel - delta); | |
| 1360 } | |
| 1361 } | |
| 1362 | |
| 1363 /** | |
| 1364 * Remembers the viewer state. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1365 * |
| 129 | 1366 * @param document the document to remember the state of |
| 1367 */ | |
| 1368 private void connect(IDocument document) { | |
| 1369 Assert.isLegal(document !is null); | |
| 1370 Assert.isLegal(!isConnected()); | |
| 1371 fUpdaterDocument= document; | |
| 1372 try { | |
| 162 | 1373 fUpdaterCategory= SELECTION_POSITION_CATEGORY ~ Integer.toString(toHash()); |
| 129 | 1374 fUpdater= new NonDeletingPositionUpdater(fUpdaterCategory); |
| 1375 fUpdaterDocument.addPositionCategory(fUpdaterCategory); | |
| 1376 fUpdaterDocument.addPositionUpdater(fUpdater); | |
| 1377 | |
| 1378 Point selectionRange= getSelectedRange(); | |
| 1379 fReverseSelection= selectionRange.y < 0; | |
| 1380 int offset, length; | |
| 1381 if (fReverseSelection) { | |
| 1382 offset= selectionRange.x + selectionRange.y; | |
| 1383 length= -selectionRange.y; | |
| 1384 } else { | |
| 1385 offset= selectionRange.x; | |
| 1386 length= selectionRange.y; | |
| 1387 } | |
| 1388 | |
| 1389 fSelection= new Position(offset, length); | |
| 1390 fSelectionSet= false; | |
| 1391 fUpdaterDocument.addPosition(fUpdaterCategory, fSelection); | |
| 1392 | |
| 1393 int stableLine= getStableLine(); | |
| 1394 int stableWidgetLine= modelLine2WidgetLine(stableLine); | |
| 1395 fStablePixel= getTextWidget().getLinePixel(stableWidgetLine); | |
| 1396 IRegion stableLineInfo= fUpdaterDocument.getLineInformation(stableLine); | |
| 1397 fStableLine= new Position(stableLineInfo.getOffset(), stableLineInfo.getLength()); | |
| 1398 fUpdaterDocument.addPosition(fUpdaterCategory, fStableLine); | |
| 1399 } catch (BadPositionCategoryException e) { | |
| 1400 // cannot happen | |
| 1401 Assert.isTrue(false); | |
| 1402 } catch (BadLocationException e) { | |
| 1403 // should not happen except on concurrent modification | |
| 1404 // ignore and disconnect | |
| 1405 disconnect(); | |
| 1406 } | |
| 1407 } | |
| 1408 | |
| 1409 /** | |
| 1410 * Updates a position with the given information and clears its deletion state. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1411 * |
| 129 | 1412 * @param position the position to update |
| 1413 * @param offset the new selection offset | |
| 1414 * @param length the new selection length | |
| 1415 */ | |
| 1416 private void updatePosition(Position position, int offset, int length) { | |
| 1417 position.setOffset(offset); | |
| 1418 position.setLength(length); | |
| 1419 // http://bugs.eclipse.org/bugs/show_bug.cgi?id=32795 | |
| 162 | 1420 position.isDeleted_= false; |
| 129 | 1421 } |
| 1422 | |
| 1423 /** | |
| 1424 * Returns the document line to keep visually stable. If the caret line is (partially) | |
| 1425 * visible, it is returned, otherwise the topmost (partially) visible line is returned. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1426 * |
| 129 | 1427 * @return the visually stable line of this viewer state |
| 1428 */ | |
| 1429 private int getStableLine() { | |
| 1430 int stableLine; // the model line that we try to keep stable | |
| 1431 int caretLine= getTextWidget().getLineAtOffset(getTextWidget().getCaretOffset()); | |
| 1432 if (caretLine < JFaceTextUtil.getPartialTopIndex(getTextWidget()) || caretLine > JFaceTextUtil.getPartialBottomIndex(getTextWidget())) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1433 stableLine= JFaceTextUtil.getPartialTopIndex(this.outer); |
| 129 | 1434 } else { |
| 1435 stableLine= widgetLine2ModelLine(caretLine); | |
| 1436 } | |
| 1437 return stableLine; | |
| 1438 } | |
| 1439 | |
| 1440 /** | |
| 1441 * Returns <code>true</code> if the viewer state is being tracked, <code>false</code> | |
| 1442 * otherwise. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1443 * |
| 129 | 1444 * @return the tracking state |
| 1445 */ | |
| 1446 private bool isConnected() { | |
| 1447 return fUpdater !is null; | |
| 1448 } | |
| 1449 | |
| 1450 /** | |
| 1451 * Disconnects from the document. | |
| 1452 */ | |
| 1453 private void disconnect() { | |
| 1454 Assert.isTrue(isConnected()); | |
| 1455 try { | |
| 1456 fUpdaterDocument.removePosition(fUpdaterCategory, fSelection); | |
| 1457 fUpdaterDocument.removePosition(fUpdaterCategory, fStableLine); | |
| 1458 fUpdaterDocument.removePositionUpdater(fUpdater); | |
| 1459 fUpdater= null; | |
| 1460 fUpdaterDocument.removePositionCategory(fUpdaterCategory); | |
| 1461 fUpdaterCategory= null; | |
| 1462 } catch (BadPositionCategoryException x) { | |
| 1463 // cannot happen | |
| 1464 Assert.isTrue(false); | |
| 1465 } | |
| 1466 } | |
| 1467 } | |
| 1468 | |
| 1469 /** | |
| 1470 * Internal cursor listener i.e. aggregation of mouse and key listener. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1471 * |
| 129 | 1472 * @since 3.0 |
| 1473 */ | |
| 1474 private class CursorListener : KeyListener, MouseListener { | |
| 1475 | |
| 1476 /** | |
| 1477 * Installs this cursor listener. | |
| 1478 */ | |
| 1479 private void install() { | |
| 1480 if (fTextWidget !is null && !fTextWidget.isDisposed()) { | |
| 1481 fTextWidget.addKeyListener(this); | |
| 1482 fTextWidget.addMouseListener(this); | |
| 1483 } | |
| 1484 } | |
| 1485 | |
| 1486 /** | |
| 1487 * Uninstalls this cursor listener. | |
| 1488 */ | |
| 1489 private void uninstall() { | |
| 1490 if (fTextWidget !is null && !fTextWidget.isDisposed()) { | |
| 1491 fTextWidget.removeKeyListener(this); | |
| 1492 fTextWidget.removeMouseListener(this); | |
| 1493 } | |
| 1494 } | |
| 1495 | |
| 1496 /* | |
| 1497 * @see KeyListener#keyPressed(dwt.events.KeyEvent) | |
| 1498 */ | |
| 1499 public void keyPressed(KeyEvent event) { | |
| 1500 } | |
| 1501 | |
| 1502 /* | |
| 1503 * @see KeyListener#keyPressed(dwt.events.KeyEvent) | |
| 1504 */ | |
| 1505 public void keyReleased(KeyEvent e) { | |
| 1506 if (fTextWidget.getSelectionCount() is 0) { | |
| 1507 fLastSentSelectionChange= null; | |
| 1508 queuePostSelectionChanged(e.character is DWT.DEL); | |
| 1509 } | |
| 1510 } | |
| 1511 | |
| 1512 /* | |
| 1513 * @see MouseListener#mouseDoubleClick(dwt.events.MouseEvent) | |
| 1514 */ | |
| 1515 public void mouseDoubleClick(MouseEvent e) { | |
| 1516 } | |
| 1517 | |
| 1518 /* | |
| 1519 * @see MouseListener#mouseDown(dwt.events.MouseEvent) | |
| 1520 */ | |
| 1521 public void mouseDown(MouseEvent e) { | |
| 1522 } | |
| 1523 | |
| 1524 /* | |
| 1525 * @see MouseListener#mouseUp(dwt.events.MouseEvent) | |
| 1526 */ | |
| 1527 public void mouseUp(MouseEvent event) { | |
| 1528 if (fTextWidget.getSelectionCount() is 0) | |
| 1529 queuePostSelectionChanged(false); | |
| 1530 } | |
| 1531 } | |
| 1532 | |
| 1533 /** | |
| 1534 * Internal listener to document rewrite session state changes. | |
| 1535 * @since 3.1 | |
| 1536 */ | |
| 1537 private class DocumentRewriteSessionListener : IDocumentRewriteSessionListener { | |
| 1538 | |
| 1539 /* | |
| 1540 * @see dwtx.jface.text.IDocumentRewriteSessionListener#documentRewriteSessionChanged(dwtx.jface.text.DocumentRewriteSessionEvent) | |
| 1541 */ | |
| 1542 public void documentRewriteSessionChanged(DocumentRewriteSessionEvent event) { | |
| 137 | 1543 IRewriteTarget target= this.outer.getRewriteTarget(); |
| 129 | 1544 // FIXME always use setRedraw to avoid flickering due to scrolling |
| 1545 // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=158746 | |
| 1546 bool toggleRedraw= true || event.getSession().getSessionType() !is DocumentRewriteSessionType.UNRESTRICTED_SMALL; | |
| 1547 final bool viewportStabilize= !toggleRedraw; | |
| 1548 if (DocumentRewriteSessionEvent.SESSION_START is event.getChangeType()) { | |
| 1549 if (toggleRedraw) | |
| 1550 target.setRedraw(false); | |
| 1551 target.beginCompoundChange(); | |
| 1552 if (viewportStabilize && fViewerState is null) | |
| 1553 fViewerState= new ViewerState(); | |
| 1554 } else if (DocumentRewriteSessionEvent.SESSION_STOP is event.getChangeType()) { | |
| 1555 if (viewportStabilize && fViewerState !is null) { | |
| 1556 fViewerState.restore(true); | |
| 1557 fViewerState= null; | |
| 1558 } | |
| 1559 target.endCompoundChange(); | |
| 1560 if (toggleRedraw) | |
| 1561 target.setRedraw(true); | |
| 1562 } | |
| 1563 } | |
| 1564 } | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1565 |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1566 |
| 129 | 1567 /** |
| 1568 * Identifies the scrollbars as originators of a view port change. | |
| 1569 */ | |
| 1570 protected static final int SCROLLER= 1; | |
| 1571 /** | |
| 1572 * Identifies mouse moves as originators of a view port change. | |
| 1573 */ | |
| 1574 protected static final int MOUSE= 2; | |
| 1575 /** | |
| 1576 * Identifies mouse button up as originator of a view port change. | |
| 1577 */ | |
| 1578 protected static final int MOUSE_END= 3; | |
| 1579 /** | |
| 1580 * Identifies key strokes as originators of a view port change. | |
| 1581 */ | |
| 1582 protected static final int KEY= 4; | |
| 1583 /** | |
| 1584 * Identifies window resizing as originator of a view port change. | |
| 1585 */ | |
| 1586 protected static final int RESIZE= 5; | |
| 1587 /** | |
| 1588 * Identifies internal reasons as originators of a view port change. | |
| 1589 */ | |
| 1590 protected static final int INTERNAL= 6; | |
| 1591 | |
| 1592 /** Internal name of the position category used selection preservation during shift. */ | |
| 1593 protected static final String SHIFTING= "__TextViewer_shifting"; //$NON-NLS-1$ | |
| 1594 | |
| 1595 /** | |
| 1596 * Base position category name used by the selection updater | |
| 1597 * @since 3.1 | |
| 1598 */ | |
| 147 | 1599 private static const String SELECTION_POSITION_CATEGORY= "_textviewer_selection_category"; //$NON-NLS-1$ |
| 129 | 1600 /** The viewer's text widget */ |
| 1601 private StyledText fTextWidget; | |
| 1602 /** The viewer's input document */ | |
| 1603 private IDocument fDocument; | |
| 1604 /** The viewer's visible document */ | |
| 1605 private IDocument fVisibleDocument; | |
| 1606 /** The viewer's document adapter */ | |
| 1607 private IDocumentAdapter fDocumentAdapter; | |
| 1608 /** The slave document manager */ | |
| 1609 private ISlaveDocumentManager fSlaveDocumentManager; | |
| 1610 /** The text viewer's double click strategies connector */ | |
| 1611 private TextDoubleClickStrategyConnector fDoubleClickStrategyConnector; | |
| 1612 /** The text viewer's view port guard */ | |
| 1613 private ViewportGuard fViewportGuard; | |
| 1614 /** Caches the graphical coordinate of the first visible line */ | |
| 1615 private int fTopInset= 0; | |
| 1616 /** The most recent document modification as widget command */ | |
| 159 | 1617 private WidgetCommand fWidgetCommand; |
| 129 | 1618 /** The DWT control's scrollbars */ |
| 1619 private ScrollBar fScroller; | |
| 1620 /** Listener on the visible document */ | |
| 159 | 1621 private VisibleDocumentListener fVisibleDocumentListener; |
| 129 | 1622 /** Verify listener */ |
| 159 | 1623 private TextVerifyListener fVerifyListener; |
| 129 | 1624 /** The most recent widget modification as document command */ |
| 159 | 1625 private DocumentCommand fDocumentCommand; |
| 129 | 1626 /** The viewer's find/replace target */ |
| 1627 private IFindReplaceTarget fFindReplaceTarget; | |
| 1628 /** | |
| 1629 * The text viewer's hovering controller | |
| 1630 * @since 2.0 | |
| 1631 */ | |
| 1632 private TextViewerHoverManager fTextHoverManager; | |
| 1633 /** | |
| 1634 * The viewer widget token keeper | |
| 1635 * @since 2.0 | |
| 1636 */ | |
| 1637 private IWidgetTokenKeeper fWidgetTokenKeeper; | |
| 1638 /** | |
| 1639 * The viewer's manager of verify key listeners | |
| 1640 * @since 2.0 | |
| 1641 */ | |
| 159 | 1642 private VerifyKeyListenersManager fVerifyKeyListenersManager; |
| 129 | 1643 /** |
| 1644 * The mark position. | |
| 1645 * @since 2.0 | |
| 1646 */ | |
| 1647 protected Position fMarkPosition; | |
| 1648 /** | |
| 1649 * The mark position category. | |
| 1650 * @since 2.0 | |
| 1651 */ | |
| 162 | 1652 private /+const+/ String MARK_POSITION_CATEGORY; |
| 129 | 1653 /** |
| 1654 * The mark position updater | |
| 1655 * @since 2.0 | |
| 1656 */ | |
| 162 | 1657 private /+const+/ IPositionUpdater fMarkPositionUpdater; |
| 129 | 1658 /** |
| 1659 * The flag indicating the redraw behavior | |
| 1660 * @since 2.0 | |
| 1661 */ | |
| 1662 private int fRedrawCounter= 0; | |
| 1663 /** | |
| 1664 * The viewer's rewrite target | |
| 1665 * @since 2.0 | |
| 1666 */ | |
| 1667 private IRewriteTarget fRewriteTarget; | |
| 1668 /** | |
| 1669 * The viewer's cursor listener. | |
| 1670 * @since 3.0 | |
| 1671 */ | |
| 1672 private CursorListener fCursorListener; | |
| 1673 /** | |
| 1674 * Last selection range sent to selection change listeners. | |
| 1675 * @since 3.0 | |
| 1676 */ | |
| 1677 private IRegion fLastSentSelectionChange; | |
| 1678 /** | |
| 1679 * The registered post selection changed listeners. | |
| 1680 * @since 3.0 | |
| 1681 */ | |
| 1682 private List fPostSelectionChangedListeners; | |
| 1683 /** | |
| 1684 * Queued post selection changed events count. | |
| 1685 * @since 3.0 | |
| 1686 */ | |
| 174 | 1687 private /+const+/ int[1] fNumberOfPostSelectionChangedEvents; |
| 129 | 1688 /** |
| 1689 * Last selection range sent to post selection change listeners. | |
| 1690 * @since 3.0 | |
| 1691 */ | |
| 1692 private IRegion fLastSentPostSelectionChange; | |
| 1693 /** | |
| 1694 * The set of registered editor helpers. | |
| 1695 * @since 3.1 | |
| 1696 */ | |
| 162 | 1697 private Set fEditorHelpers; |
| 129 | 1698 /** |
| 1699 * The internal rewrite session listener. | |
| 1700 * @since 3.1 | |
| 1701 */ | |
| 159 | 1702 private DocumentRewriteSessionListener fDocumentRewriteSessionListener; |
| 129 | 1703 |
| 1704 /** Should the auto indent strategies ignore the next edit operation */ | |
| 1705 protected bool fIgnoreAutoIndent= false; | |
| 1706 /** The strings a line is prefixed with on SHIFT_RIGHT and removed from each line on SHIFT_LEFT */ | |
| 1707 protected Map fIndentChars; | |
| 1708 /** The string a line is prefixed with on PREFIX and removed from each line on STRIP_PREFIX */ | |
| 1709 protected Map fDefaultPrefixChars; | |
| 1710 /** The text viewer's text double click strategies */ | |
| 1711 protected Map fDoubleClickStrategies; | |
| 1712 /** The text viewer's undo manager */ | |
| 1713 protected IUndoManager fUndoManager; | |
| 1714 /** The text viewer's auto indent strategies */ | |
| 1715 protected Map fAutoIndentStrategies; | |
| 1716 /** The text viewer's text hovers */ | |
| 1717 protected Map fTextHovers; | |
| 1718 /** All registered view port listeners> */ | |
| 1719 protected List fViewportListeners; | |
| 1720 /** The last visible vertical position of the top line */ | |
| 1721 protected int fLastTopPixel; | |
| 1722 /** All registered text listeners */ | |
| 1723 protected List fTextListeners; | |
| 1724 /** All registered text input listeners */ | |
| 1725 protected List fTextInputListeners; | |
| 1726 /** The text viewer's event consumer */ | |
| 1727 protected IEventConsumer fEventConsumer; | |
| 1728 /** Indicates whether the viewer's text presentation should be replaced are modified. */ | |
| 1729 protected bool fReplaceTextPresentation= false; | |
| 1730 /** | |
| 1731 * The creator of the text hover control | |
| 1732 * @since 2.0 | |
| 1733 */ | |
| 1734 protected IInformationControlCreator fHoverControlCreator; | |
| 1735 /** | |
| 1736 * The mapping between model and visible document. | |
| 1737 * @since 2.1 | |
| 1738 */ | |
| 1739 protected IDocumentInformationMapping fInformationMapping; | |
| 1740 /** | |
| 1741 * The viewer's paint manager. | |
| 1742 * @since 2.1 | |
| 1743 */ | |
| 1744 protected PaintManager fPaintManager; | |
| 1745 /** | |
| 1746 * The viewers partitioning. I.e. the partitioning name the viewer uses to access partitioning information of its input document. | |
| 1747 * @since 3.0 | |
| 1748 */ | |
| 1749 protected String fPartitioning; | |
| 1750 /** | |
| 1751 * All registered text presentation listeners. | |
| 1752 * since 3.0 | |
| 1753 */ | |
| 1754 protected List fTextPresentationListeners; | |
| 1755 /** | |
| 1756 * The find/replace document adapter. | |
| 1757 * @since 3.0 | |
| 1758 */ | |
| 1759 protected FindReplaceDocumentAdapter fFindReplaceDocumentAdapter; | |
| 1760 | |
| 1761 /** | |
| 1762 * The text viewer's hyperlink detectors. | |
| 1763 * @since 3.1 | |
| 1764 */ | |
| 1765 protected IHyperlinkDetector[] fHyperlinkDetectors; | |
| 1766 /** | |
| 1767 * The text viewer's hyperlink presenter. | |
| 1768 * @since 3.1 | |
| 1769 */ | |
| 1770 protected IHyperlinkPresenter fHyperlinkPresenter; | |
| 1771 /** | |
| 1772 * The text viewer's hyperlink manager. | |
| 1773 * @since 3.1 | |
| 1774 */ | |
| 1775 protected HyperlinkManager fHyperlinkManager; | |
| 1776 /** | |
| 1777 * The DWT key modifier mask which in combination | |
| 1778 * with the left mouse button triggers the hyperlink mode. | |
| 1779 * @since 3.1 | |
| 1780 */ | |
| 1781 protected int fHyperlinkStateMask; | |
| 1782 /** | |
| 1783 * The viewer state when in non-redraw state, <code>null</code> otherwise. | |
| 1784 * @since 3.3 | |
| 1785 */ | |
| 1786 private ViewerState fViewerState; | |
| 1787 /** | |
| 1788 * The editor's tab converter. | |
| 1789 * @since 3.3 | |
| 1790 */ | |
| 1791 private IAutoEditStrategy fTabsToSpacesConverter; | |
| 1792 | |
| 1793 | |
| 1794 //---- Construction and disposal ------------------ | |
| 1795 | |
| 159 | 1796 private void instanceInit(){ |
| 1797 fWidgetCommand= new WidgetCommand(); | |
| 1798 fVisibleDocumentListener= new VisibleDocumentListener(); | |
| 1799 fVerifyListener= new TextVerifyListener(); | |
| 1800 fDocumentCommand= new DocumentCommand(); | |
| 1801 fVerifyKeyListenersManager= new VerifyKeyListenersManager(); | |
| 160 | 1802 MARK_POSITION_CATEGORY=Format("__mark_category_{}", toHash()); //$NON-NLS-1$ |
| 159 | 1803 fMarkPositionUpdater= new DefaultPositionUpdater(MARK_POSITION_CATEGORY); |
| 1804 fDocumentRewriteSessionListener= new DocumentRewriteSessionListener(); | |
| 162 | 1805 fEditorHelpers= new HashSet(); |
| 159 | 1806 } |
| 129 | 1807 /** |
| 1808 * Internal use only | |
| 1809 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
1810 protected this() { |
| 159 | 1811 instanceInit(); |
| 129 | 1812 } |
| 1813 | |
| 1814 /** | |
| 1815 * Create a new text viewer with the given DWT style bits. | |
| 1816 * The viewer is ready to use but does not have any plug-in installed. | |
| 1817 * | |
| 1818 * @param parent the parent of the viewer's control | |
| 1819 * @param styles the DWT style bits for the viewer's control, | |
| 1820 * <em>if <code>DWT.WRAP</code> is set then a custom document adapter needs to be provided, see {@link #createDocumentAdapter()} | |
| 1821 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
1822 public this(Composite parent, int styles) { |
| 159 | 1823 instanceInit(); |
| 129 | 1824 createControl(parent, styles); |
| 1825 } | |
| 1826 | |
| 1827 /** | |
| 1828 * Factory method to create the text widget to be used as the viewer's text widget. | |
| 1829 * | |
| 1830 * @param parent the parent of the styled text | |
| 1831 * @param styles the styles for the styled text | |
| 1832 * @return the text widget to be used | |
| 1833 */ | |
| 1834 protected StyledText createTextWidget(Composite parent, int styles) { | |
| 1835 return new StyledText(parent, styles); | |
| 1836 } | |
| 1837 | |
| 1838 /** | |
| 1839 * Factory method to create the document adapter to be used by this viewer. | |
| 1840 * | |
| 1841 * @return the document adapter to be used | |
| 1842 */ | |
| 1843 protected IDocumentAdapter createDocumentAdapter() { | |
| 1844 return new DefaultDocumentAdapter(); | |
| 1845 } | |
| 1846 | |
| 1847 /** | |
| 1848 * Creates the viewer's DWT control. The viewer's text widget either is | |
| 1849 * the control or is a child of the control. | |
| 1850 * | |
| 1851 * @param parent the parent of the viewer's control | |
| 1852 * @param styles the DWT style bits for the viewer's control | |
| 1853 */ | |
| 1854 protected void createControl(Composite parent, int styles) { | |
| 1855 | |
| 1856 fTextWidget= createTextWidget(parent, styles); | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1857 |
| 129 | 1858 // Support scroll page upon MOD1+MouseWheel |
| 135 | 1859 fTextWidget.addListener(DWT.MouseWheel, new class() Listener { |
| 129 | 1860 |
| 1861 public void handleEvent(Event event) { | |
| 1862 if (((event.stateMask & DWT.MOD1) is 0)) | |
| 1863 return; | |
| 1864 | |
| 1865 int topIndex= fTextWidget.getTopIndex(); | |
| 1866 int bottomIndex= JFaceTextUtil.getBottomIndex(fTextWidget); | |
| 1867 | |
| 1868 if (event.count > 0) | |
| 1869 fTextWidget.setTopIndex(2 * topIndex - bottomIndex); | |
| 1870 else | |
| 1871 fTextWidget.setTopIndex(bottomIndex); | |
| 1872 | |
| 1873 updateViewportListeners(INTERNAL); | |
| 1874 } | |
| 1875 }); | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1876 |
| 129 | 1877 fTextWidget.addDisposeListener( |
| 135 | 1878 new class() DisposeListener { |
| 129 | 1879 public void widgetDisposed(DisposeEvent e) { |
| 1880 handleDispose(); | |
| 1881 } | |
| 1882 } | |
| 1883 ); | |
| 1884 | |
| 1885 fTextWidget.setFont(parent.getFont()); | |
| 1886 fTextWidget.setDoubleClickEnabled(true); | |
| 1887 | |
| 1888 /* | |
| 1889 * Disable DWT Shift+TAB traversal in this viewer | |
| 1890 * 1GIYQ9K: ITPUI:WINNT - StyledText swallows Shift+TAB | |
| 1891 */ | |
| 135 | 1892 fTextWidget.addTraverseListener(new class() TraverseListener { |
| 129 | 1893 public void keyTraversed(TraverseEvent e) { |
| 1894 if ((DWT.SHIFT is e.stateMask) && ('\t' is e.character)) | |
| 1895 e.doit= false; | |
| 1896 } | |
| 1897 }); | |
| 1898 | |
| 1899 // where does the first line start | |
| 1900 fTopInset= -fTextWidget.computeTrim(0, 0, 0, 0).y; | |
| 1901 | |
| 1902 fVerifyListener.forward(true); | |
| 1903 fTextWidget.addVerifyListener(fVerifyListener); | |
| 1904 | |
| 135 | 1905 fTextWidget.addSelectionListener(new class() SelectionListener { |
| 129 | 1906 public void widgetDefaultSelected(SelectionEvent event) { |
| 1907 selectionChanged(event.x, event.y - event.x); | |
| 1908 } | |
| 1909 public void widgetSelected(SelectionEvent event) { | |
| 1910 selectionChanged(event.x, event.y - event.x); | |
| 1911 } | |
| 1912 }); | |
| 1913 | |
| 1914 fCursorListener= new CursorListener(); | |
| 1915 fCursorListener.install(); | |
| 1916 | |
| 1917 initializeViewportUpdate(); | |
| 1918 } | |
| 1919 | |
| 1920 /* | |
| 1921 * @see Viewer#getControl() | |
| 1922 */ | |
| 1923 public Control getControl() { | |
| 1924 return fTextWidget; | |
| 1925 } | |
| 1926 | |
| 1927 /* | |
| 1928 * @see ITextViewer#activatePlugins() | |
| 1929 */ | |
| 1930 public void activatePlugins() { | |
| 1931 | |
| 1932 if (fDoubleClickStrategies !is null && !fDoubleClickStrategies.isEmpty() && fDoubleClickStrategyConnector is null) { | |
| 1933 fDoubleClickStrategyConnector= new TextDoubleClickStrategyConnector(); | |
| 1934 fTextWidget.addWordMovementListener(fDoubleClickStrategyConnector); | |
| 1935 fTextWidget.addMouseListener(fDoubleClickStrategyConnector); | |
| 1936 } | |
| 1937 | |
| 1938 ensureHoverControlManagerInstalled(); | |
| 1939 ensureHyperlinkManagerInstalled(); | |
| 1940 | |
| 1941 if (fUndoManager !is null) { | |
| 1942 fUndoManager.connect(this); | |
| 1943 fUndoManager.reset(); | |
| 1944 } | |
| 1945 } | |
| 1946 | |
| 1947 /** | |
| 1948 * After this method has been executed the caller knows that any installed text hover has been installed. | |
| 1949 */ | |
| 1950 private void ensureHoverControlManagerInstalled() { | |
| 1951 if (fTextHovers !is null && !fTextHovers.isEmpty() && fHoverControlCreator !is null && fTextHoverManager is null) { | |
| 1952 fTextHoverManager= new TextViewerHoverManager(this, fHoverControlCreator); | |
| 1953 fTextHoverManager.install(this.getTextWidget()); | |
| 1954 fTextHoverManager.setSizeConstraints(TEXT_HOVER_WIDTH_CHARS, TEXT_HOVER_HEIGHT_CHARS, false, true); | |
| 1955 fTextHoverManager.setInformationControlReplacer(new StickyHoverManager(this)); | |
| 1956 } | |
| 1957 } | |
| 1958 | |
| 1959 /* | |
| 1960 * @see ITextViewer#resetPlugins() | |
| 1961 */ | |
| 1962 public void resetPlugins() { | |
| 1963 if (fUndoManager !is null) | |
| 1964 fUndoManager.reset(); | |
| 1965 } | |
| 1966 | |
| 1967 /** | |
| 1968 * Frees all resources allocated by this viewer. Internally called when the viewer's | |
| 1969 * control has been disposed. | |
| 1970 */ | |
| 1971 protected void handleDispose() { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1972 |
| 129 | 1973 setDocument(null); |
| 1974 | |
| 1975 if (fPaintManager !is null) { | |
| 1976 fPaintManager.dispose(); | |
| 1977 fPaintManager= null; | |
| 1978 } | |
| 1979 | |
| 1980 removeViewPortUpdate(); | |
| 1981 fViewportGuard= null; | |
| 1982 | |
| 1983 if (fViewportListeners !is null) { | |
| 1984 fViewportListeners.clear(); | |
| 1985 fViewportListeners= null; | |
| 1986 } | |
| 1987 | |
| 1988 if (fTextListeners !is null) { | |
| 1989 fTextListeners.clear(); | |
| 1990 fTextListeners= null; | |
| 1991 } | |
| 1992 | |
| 1993 if (fTextInputListeners !is null) { | |
| 1994 fTextInputListeners.clear(); | |
| 1995 fTextInputListeners= null; | |
| 1996 } | |
| 1997 | |
| 1998 if (fPostSelectionChangedListeners !is null) { | |
| 1999 fPostSelectionChangedListeners.clear(); | |
| 2000 fPostSelectionChangedListeners= null; | |
| 2001 } | |
| 2002 | |
| 2003 if (fAutoIndentStrategies !is null) { | |
| 2004 fAutoIndentStrategies.clear(); | |
| 2005 fAutoIndentStrategies= null; | |
| 2006 } | |
| 2007 | |
| 2008 if (fUndoManager !is null) { | |
| 2009 fUndoManager.disconnect(); | |
| 2010 fUndoManager= null; | |
| 2011 } | |
| 2012 | |
| 2013 if (fDoubleClickStrategies !is null) { | |
| 2014 fDoubleClickStrategies.clear(); | |
| 2015 fDoubleClickStrategies= null; | |
| 2016 } | |
| 2017 | |
| 2018 if (fTextHovers !is null) { | |
| 2019 fTextHovers.clear(); | |
| 2020 fTextHovers= null; | |
| 2021 } | |
| 2022 | |
| 2023 fDoubleClickStrategyConnector= null; | |
| 2024 | |
| 2025 if (fTextHoverManager !is null) { | |
| 2026 fTextHoverManager.dispose(); | |
| 2027 fTextHoverManager= null; | |
| 2028 } | |
| 2029 | |
| 2030 if (fVisibleDocumentListener !is null) { | |
| 2031 if (fVisibleDocument !is null) | |
| 2032 fVisibleDocument.removeDocumentListener(fVisibleDocumentListener); | |
| 2033 fVisibleDocumentListener= null; | |
| 2034 } | |
| 2035 | |
| 2036 if (fDocumentAdapter !is null) { | |
| 2037 fDocumentAdapter.setDocument(null); | |
| 2038 fDocumentAdapter= null; | |
| 2039 } | |
| 2040 | |
| 2041 if (fSlaveDocumentManager !is null) { | |
| 2042 if (fVisibleDocument !is null) | |
| 2043 fSlaveDocumentManager.freeSlaveDocument(fVisibleDocument); | |
| 2044 fSlaveDocumentManager= null; | |
| 2045 } | |
| 2046 | |
| 2047 if (fCursorListener !is null) { | |
| 2048 fCursorListener.uninstall(); | |
| 2049 fCursorListener= null; | |
| 2050 } | |
| 2051 | |
| 2052 if (fHyperlinkManager !is null) { | |
| 2053 fHyperlinkManager.uninstall(); | |
| 2054 fHyperlinkManager= null; | |
| 2055 } | |
| 2056 | |
| 2057 fHyperlinkDetectors= null; | |
| 2058 fVisibleDocument= null; | |
| 2059 fDocument= null; | |
| 2060 fScroller= null; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
2061 |
| 129 | 2062 fTextWidget= null; |
| 2063 } | |
| 2064 | |
| 2065 | |
| 2066 //---- simple getters and setters | |
| 2067 | |
| 2068 /* | |
| 2069 * @see dwtx.jface.text.ITextViewer#getTextWidget() | |
| 2070 */ | |
| 2071 public StyledText getTextWidget() { | |
| 2072 return fTextWidget; | |
| 2073 } | |
| 2074 | |
| 2075 /** | |
| 2076 * The delay in milliseconds before an empty selection | |
| 2077 * changed event is sent by the cursor listener. | |
| 2078 * <p> | |
| 2079 * Note: The return value is used to initialize the cursor | |
| 2080 * listener. To return a non-constant value has no effect.</p> | |
| 2081 * <p> | |
| 2082 * The same value (<code>500</code>) is used in <code>OpenStrategy.TIME</code>.</p> | |
| 2083 * | |
| 2084 * @return delay in milliseconds | |
| 2085 * @see dwtx.jface.util.OpenStrategy | |
| 2086 * @since 3.0 | |
| 2087 */ | |
| 2088 protected int getEmptySelectionChangedEventDelay() { | |
| 2089 return 500; | |
| 2090 } | |
| 2091 | |
| 2092 /** | |
| 2093 * {@inheritDoc} | |
| 2094 * @deprecated since 3.1, use | |
| 2095 * {@link ITextViewerExtension2#prependAutoEditStrategy(IAutoEditStrategy, String)} and | |
| 2096 * {@link ITextViewerExtension2#removeAutoEditStrategy(IAutoEditStrategy, String)} instead | |
| 2097 */ | |
| 2098 public void setAutoIndentStrategy(IAutoIndentStrategy strategy, String contentType) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
2099 setAutoEditStrategies([ strategy ], contentType); |
| 129 | 2100 } |
| 2101 | |
| 2102 /** | |
| 2103 * Sets the given edit strategy as the only strategy for the given content type. | |
| 2104 * | |
| 2105 * @param strategies the auto edit strategies | |
| 2106 * @param contentType the content type | |
| 2107 * @since 3.1 | |
| 2108 */ | |
| 2109 protected final void setAutoEditStrategies(IAutoEditStrategy[] strategies, String contentType) { | |
| 2110 if (fAutoIndentStrategies is null) | |
| 2111 fAutoIndentStrategies= new HashMap(); | |
| 2112 | |
| 134 | 2113 List autoEditStrategies= cast(List) fAutoIndentStrategies.get(contentType); |
| 129 | 2114 |
| 2115 if (strategies is null) { | |
| 2116 if (autoEditStrategies is null) | |
| 2117 return; | |
| 2118 | |
| 162 | 2119 fAutoIndentStrategies.put(contentType, cast(Object)null); |
| 129 | 2120 |
| 2121 } else { | |
| 2122 if (autoEditStrategies is null) { | |
| 2123 autoEditStrategies= new ArrayList(); | |
| 162 | 2124 fAutoIndentStrategies.put(contentType, cast(Object)autoEditStrategies); |
| 129 | 2125 } |
| 2126 | |
| 2127 autoEditStrategies.clear(); | |
| 162 | 2128 autoEditStrategies.addAll(Arrays.asList(arraycast!(Object)(strategies))); |
| 129 | 2129 } |
| 2130 } | |
| 2131 | |
| 2132 /* | |
| 2133 * @see dwtx.jface.text.ITextViewerExtension2#prependAutoEditStrategy(dwtx.jface.text.IAutoEditStrategy, java.lang.String) | |
| 2134 * @since 2.1 | |
| 2135 */ | |
| 2136 public void prependAutoEditStrategy(IAutoEditStrategy strategy, String contentType) { | |
| 2137 | |
| 2138 if (strategy is null || contentType is null) | |
| 162 | 2139 throw new IllegalArgumentException(""); |
| 129 | 2140 |
| 2141 if (fAutoIndentStrategies is null) | |
| 2142 fAutoIndentStrategies= new HashMap(); | |
| 2143 | |
| 134 | 2144 List autoEditStrategies= cast(List) fAutoIndentStrategies.get(contentType); |
| 129 | 2145 if (autoEditStrategies is null) { |
| 2146 autoEditStrategies= new ArrayList(); | |
| 162 | 2147 fAutoIndentStrategies.put(contentType,cast(Object) autoEditStrategies); |
| 2148 } | |
| 2149 | |
| 2150 autoEditStrategies.add(0, cast(Object)strategy); | |
| 129 | 2151 } |
| 2152 | |
| 2153 /* | |
| 2154 * @see dwtx.jface.text.ITextViewerExtension2#removeAutoEditStrategy(dwtx.jface.text.IAutoEditStrategy, java.lang.String) | |
| 2155 * @since 2.1 | |
| 2156 */ | |
| 2157 public void removeAutoEditStrategy(IAutoEditStrategy strategy, String contentType) { | |
| 2158 if (fAutoIndentStrategies is null) | |
| 2159 return; | |
| 2160 | |
| 134 | 2161 List autoEditStrategies= cast(List) fAutoIndentStrategies.get(contentType); |
| 129 | 2162 if (autoEditStrategies is null) |
| 2163 return; | |
| 2164 | |
| 2165 for (final Iterator iterator= autoEditStrategies.iterator(); iterator.hasNext(); ) { | |
| 162 | 2166 if (iterator.next().opEquals(cast(Object)strategy)) { |
| 129 | 2167 iterator.remove(); |
| 2168 break; | |
| 2169 } | |
| 2170 } | |
| 2171 | |
| 2172 if (autoEditStrategies.isEmpty()) | |
| 162 | 2173 fAutoIndentStrategies.put(contentType, cast(Object)null); |
| 129 | 2174 } |
| 2175 | |
| 2176 /* | |
| 2177 * @see ITextViewer#setEventConsumer(IEventConsumer) | |
| 2178 */ | |
| 2179 public void setEventConsumer(IEventConsumer consumer) { | |
| 2180 fEventConsumer= consumer; | |
| 2181 } | |
| 2182 | |
| 2183 /* | |
| 2184 * @see ITextViewer#setIndentPrefixes(String[], String) | |
| 2185 */ | |
| 2186 public void setIndentPrefixes(String[] indentPrefixes, String contentType) { | |
| 2187 | |
| 2188 int i= -1; | |
| 2189 bool ok= (indentPrefixes !is null); | |
| 2190 while (ok && ++i < indentPrefixes.length) | |
| 2191 ok= (indentPrefixes[i] !is null); | |
| 2192 | |
| 2193 if (ok) { | |
| 2194 | |
| 2195 if (fIndentChars is null) | |
| 2196 fIndentChars= new HashMap(); | |
| 2197 | |
| 162 | 2198 fIndentChars.put(contentType, new ArrayWrapperObject( stringcast(indentPrefixes))); |
| 129 | 2199 |
| 2200 } else if (fIndentChars !is null) | |
| 2201 fIndentChars.remove(contentType); | |
| 2202 } | |
| 2203 | |
| 2204 /* | |
| 2205 * @see ITextViewer#getTopInset() | |
| 2206 */ | |
| 2207 public int getTopInset() { | |
| 2208 return fTopInset; | |
| 2209 } | |
| 2210 | |
| 2211 /* | |
| 2212 * @see ITextViewer#isEditable() | |
| 2213 */ | |
| 2214 public bool isEditable() { | |
| 2215 if (fTextWidget is null) | |
| 2216 return false; | |
| 2217 return fTextWidget.getEditable(); | |
| 2218 } | |
| 2219 | |
| 2220 /* | |
| 2221 * @see ITextViewer#setEditable(bool) | |
| 2222 */ | |
| 2223 public void setEditable(bool editable) { | |
| 2224 if (fTextWidget !is null) | |
| 2225 fTextWidget.setEditable(editable); | |
| 2226 } | |
| 2227 | |
| 2228 /* | |
| 2229 * @see ITextViewer#setDefaultPrefixes | |
| 2230 * @since 2.0 | |
| 2231 */ | |
| 2232 public void setDefaultPrefixes(String[] defaultPrefixes, String contentType) { | |
| 2233 | |
| 2234 if (defaultPrefixes !is null && defaultPrefixes.length > 0) { | |
| 2235 if (fDefaultPrefixChars is null) | |
| 2236 fDefaultPrefixChars= new HashMap(); | |
| 162 | 2237 fDefaultPrefixChars.put(contentType, new ArrayWrapperObject( stringcast(defaultPrefixes))); |
| 129 | 2238 } else if (fDefaultPrefixChars !is null) |
| 2239 fDefaultPrefixChars.remove(contentType); | |
| 2240 } | |
| 2241 | |
| 2242 /* | |
| 2243 * @see ITextViewer#setUndoManager(IUndoManager) | |
| 2244 */ | |
| 2245 public void setUndoManager(IUndoManager undoManager) { | |
| 2246 fUndoManager= undoManager; | |
| 2247 } | |
| 2248 | |
| 2249 /* | |
| 2250 * @see ITextViewerExtension6#getUndoManager() | |
| 2251 * @since 3.1 | |
| 2252 */ | |
| 2253 public IUndoManager getUndoManager() { | |
| 2254 return fUndoManager; | |
| 2255 } | |
| 2256 | |
| 2257 /* | |
| 2258 * @see ITextViewer#setTextHover(ITextHover, String) | |
| 2259 */ | |
| 2260 public void setTextHover(ITextHover hover, String contentType) { | |
| 2261 setTextHover(hover, contentType, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK); | |
| 2262 } | |
| 2263 | |
| 2264 /* | |
| 2265 * @see ITextViewerExtension2#setTextHover(ITextHover, String, int) | |
| 2266 * @since 2.1 | |
| 2267 */ | |
| 2268 public void setTextHover(ITextHover hover, String contentType, int stateMask) { | |
| 2269 TextHoverKey key= new TextHoverKey(contentType, stateMask); | |
| 2270 if (hover !is null) { | |
| 2271 if (fTextHovers is null) { | |
| 2272 fTextHovers= new HashMap(); | |
| 2273 } | |
| 162 | 2274 fTextHovers.put(key, cast(Object)hover); |
| 129 | 2275 } else if (fTextHovers !is null) |
| 2276 fTextHovers.remove(key); | |
| 2277 | |
| 2278 ensureHoverControlManagerInstalled(); | |
| 2279 } | |
| 2280 | |
| 2281 /* | |
| 2282 * @see ITextViewerExtension2#removeTextHovers(String) | |
| 2283 * @since 2.1 | |
| 2284 */ | |
| 2285 public void removeTextHovers(String contentType) { | |
| 2286 if (fTextHovers is null) | |
| 2287 return; | |
| 2288 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
2289 Iterator iter= (new HashSet(fTextHovers.keySet())).iterator(); |
| 129 | 2290 while (iter.hasNext()) { |
| 134 | 2291 TextHoverKey key= cast(TextHoverKey)iter.next(); |
| 129 | 2292 if (key.fContentType.equals(contentType)) |
| 2293 fTextHovers.remove(key); | |
| 2294 } | |
| 2295 } | |
| 2296 | |
| 2297 /** | |
| 2298 * Returns the text hover for a given offset. | |
| 2299 * | |
| 2300 * @param offset the offset for which to return the text hover | |
| 2301 * @return the text hover for the given offset | |
| 2302 */ | |
| 2303 protected ITextHover getTextHover(int offset) { | |
| 2304 return getTextHover(offset, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK); | |
| 2305 } | |
| 161 | 2306 package ITextHover getTextHover_package(int offset) { |
| 2307 return getTextHover(offset); | |
| 2308 } | |
| 129 | 2309 |
| 2310 /** | |
| 2311 * Returns the text hover for a given offset and a given state mask. | |
| 2312 * | |
| 2313 * @param offset the offset for which to return the text hover | |
| 2314 * @param stateMask the DWT event state mask | |
| 2315 * @return the text hover for the given offset and state mask | |
| 2316 * @since 2.1 | |
| 2317 */ | |
| 161 | 2318 package ITextHover getTextHover_package(int offset, int stateMask) { |
| 2319 return getTextHover(offset,stateMask); | |
| 2320 } | |
| 129 | 2321 protected ITextHover getTextHover(int offset, int stateMask) { |
| 2322 if (fTextHovers is null) | |
| 2323 return null; | |
| 2324 | |
| 2325 IDocument document= getDocument(); | |
| 2326 if (document is null) | |
| 2327 return null; | |
| 2328 | |
| 2329 try { | |
| 2330 TextHoverKey key= new TextHoverKey(TextUtilities.getContentType(document, getDocumentPartitioning(), offset, true), stateMask); | |
| 2331 Object textHover= fTextHovers.get(key); | |
| 2332 if (textHover is null) { | |
| 2333 // Use default text hover | |
| 2334 key.setStateMask(ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK); | |
| 2335 textHover= fTextHovers.get(key); | |
| 2336 } | |
| 134 | 2337 return cast(ITextHover) textHover; |
| 129 | 2338 } catch (BadLocationException x) { |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
2339 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
2340 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.selectContentTypePlugin")); //$NON-NLS-1$ |
| 129 | 2341 } |
| 2342 return null; | |
| 2343 } | |
| 2344 | |
| 2345 /** | |
| 2346 * Returns the text hovering controller of this viewer. | |
| 2347 * | |
| 2348 * @return the text hovering controller of this viewer | |
| 2349 * @since 2.0 | |
| 2350 */ | |
| 2351 protected AbstractInformationControlManager getTextHoveringController() { | |
| 2352 return fTextHoverManager; | |
| 2353 } | |
| 2354 | |
| 2355 /** | |
| 2356 * Sets the creator for the hover controls. | |
| 2357 * | |
| 2358 * @param creator the hover control creator | |
| 2359 * @since 2.0 | |
| 2360 */ | |
| 2361 public void setHoverControlCreator(IInformationControlCreator creator) { | |
| 2362 fHoverControlCreator= creator; | |
| 2363 } | |
| 2364 | |
| 2365 /** | |
| 2366 * {@inheritDoc} | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
2367 * |
| 129 | 2368 * @since 3.4 |
| 2369 */ | |
| 159 | 2370 public void setHoverEnrichMode(ITextViewerExtension8_EnrichMode mode) { |
| 129 | 2371 if (fTextHoverManager is null) |
| 2372 return; | |
| 2373 fTextHoverManager.setHoverEnrichMode(mode); | |
| 2374 } | |
| 2375 | |
| 2376 /* | |
| 2377 * @see IWidgetTokenOwner#requestWidgetToken(IWidgetTokenKeeper) | |
| 2378 * @since 2.0 | |
| 2379 */ | |
| 2380 public bool requestWidgetToken(IWidgetTokenKeeper requester) { | |
| 2381 if (fTextWidget !is null) { | |
| 2382 if (fWidgetTokenKeeper !is null) { | |
| 2383 if (fWidgetTokenKeeper is requester) | |
| 2384 return true; | |
| 2385 if (fWidgetTokenKeeper.requestWidgetToken(this)) { | |
| 2386 fWidgetTokenKeeper= requester; | |
| 2387 return true; | |
| 2388 } | |
| 2389 } else { | |
| 2390 fWidgetTokenKeeper= requester; | |
| 2391 return true; | |
| 2392 } | |
| 2393 } | |
| 2394 return false; | |
| 2395 } | |
| 2396 | |
| 2397 /* | |
| 2398 * @see dwtx.jface.text.IWidgetTokenOwnerExtension#requestWidgetToken(dwtx.jface.text.IWidgetTokenKeeper, int) | |
| 2399 * @since 3.0 | |
| 2400 */ | |
| 2401 public bool requestWidgetToken(IWidgetTokenKeeper requester, int priority) { | |
| 2402 if (fTextWidget !is null) { | |
| 2403 if (fWidgetTokenKeeper !is null) { | |
| 2404 | |
| 2405 if (fWidgetTokenKeeper is requester) | |
| 2406 return true; | |
| 2407 | |
| 2408 bool accepted= false; | |
| 138 | 2409 if ( cast(IWidgetTokenKeeperExtension)fWidgetTokenKeeper ) { |
| 134 | 2410 IWidgetTokenKeeperExtension extension= cast(IWidgetTokenKeeperExtension) fWidgetTokenKeeper; |
| 129 | 2411 accepted= extension.requestWidgetToken(this, priority); |
| 2412 } else { | |
| 2413 accepted= fWidgetTokenKeeper.requestWidgetToken(this); | |
| 2414 } | |
| 2415 | |
| 2416 if (accepted) { | |
| 2417 fWidgetTokenKeeper= requester; | |
| 2418 return true; | |
| 2419 } | |
| 2420 | |
| 2421 } else { | |
| 2422 fWidgetTokenKeeper= requester; | |
| 2423 return true; | |
| 2424 } | |
| 2425 } | |
| 2426 return false; | |
| 2427 } | |
| 2428 | |
| 2429 /* | |
| 2430 * @see IWidgetTokenOwner#releaseWidgetToken(IWidgetTokenKeeper) | |
| 2431 * @since 2.0 | |
| 2432 */ | |
| 2433 public void releaseWidgetToken(IWidgetTokenKeeper tokenKeeper) { | |
| 2434 if (fWidgetTokenKeeper is tokenKeeper) | |
| 2435 fWidgetTokenKeeper= null; | |
| 2436 } | |
| 2437 | |
| 2438 | |
| 2439 //---- Selection | |
| 2440 | |
| 2441 /* | |
| 2442 * @see ITextViewer#getSelectedRange() | |
| 2443 */ | |
| 2444 public Point getSelectedRange() { | |
| 2445 | |
| 2446 if (!redraws() && fViewerState !is null) | |
| 2447 return fViewerState.getSelection(); | |
| 2448 | |
| 2449 if (fTextWidget !is null) { | |
| 2450 Point p= fTextWidget.getSelectionRange(); | |
| 2451 p= widgetSelection2ModelSelection(p); | |
| 2452 if (p !is null) | |
| 2453 return p; | |
| 2454 } | |
| 2455 | |
| 2456 return new Point(-1, -1); | |
| 2457 } | |
| 2458 | |
| 2459 /* | |
| 2460 * @see ITextViewer#setSelectedRange(int, int) | |
| 2461 */ | |
| 2462 public void setSelectedRange(int selectionOffset, int selectionLength) { | |
| 2463 | |
| 2464 if (!redraws()) { | |
| 2465 if (fViewerState !is null) | |
| 2466 fViewerState.updateSelection(selectionOffset, selectionLength); | |
| 2467 return; | |
| 2468 } | |
| 2469 | |
| 2470 if (fTextWidget is null) | |
| 2471 return; | |
| 2472 | |
| 2473 IRegion widgetSelection= modelRange2ClosestWidgetRange(new Region(selectionOffset, selectionLength)); | |
| 2474 if (widgetSelection !is null) { | |
| 2475 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
2476 int[] selectionRange= [ widgetSelection.getOffset(), widgetSelection.getLength() ]; |
| 129 | 2477 validateSelectionRange(selectionRange); |
| 2478 if (selectionRange[0] >= 0) { | |
| 2479 fTextWidget.setSelectionRange(selectionRange[0], selectionRange[1]); | |
| 2480 selectionChanged(selectionRange[0], selectionRange[1]); | |
| 2481 } | |
| 2482 } | |
| 2483 } | |
| 2484 | |
| 2485 /** | |
| 2486 * Validates and adapts the given selection range if it is not a valid | |
| 2487 * widget selection. The widget selection is invalid if it starts or ends | |
| 2488 * inside a multi-character line delimiter. If so, the selection is adapted to | |
| 2489 * start <b>after</b> the divided line delimiter and to end <b>before</b> | |
| 2490 * the divided line delimiter. The parameter passed in is changed in-place | |
| 2491 * when being adapted. An adaptation to <code>[-1, -1]</code> indicates | |
| 2492 * that the selection range could not be validated. | |
| 2493 * Subclasses may reimplement this method. | |
| 2494 * | |
| 2495 * @param selectionRange selectionRange[0] is the offset, selectionRange[1] | |
| 2496 * the length of the selection to validate. | |
| 2497 * @since 2.0 | |
| 2498 */ | |
| 2499 protected void validateSelectionRange(int[] selectionRange) { | |
| 2500 | |
| 2501 IDocument document= getVisibleDocument(); | |
| 2502 if (document is null) { | |
| 2503 selectionRange[0]= -1; | |
| 2504 selectionRange[1]= -1; | |
| 2505 return; | |
| 2506 } | |
| 2507 | |
| 2508 int documentLength= document.getLength(); | |
| 2509 int offset= selectionRange[0]; | |
| 2510 int length= selectionRange[1]; | |
| 2511 | |
| 2512 if (length < 0) { | |
| 2513 length= - length; | |
| 2514 offset -= length; | |
| 2515 } | |
| 2516 | |
| 2517 if (offset <0) | |
| 2518 offset= 0; | |
| 2519 | |
| 2520 if (offset > documentLength) | |
| 2521 offset= documentLength; | |
| 2522 | |
| 2523 int delta= (offset + length) - documentLength; | |
| 2524 if (delta > 0) | |
| 2525 length -= delta; | |
| 2526 | |
| 2527 try { | |
| 2528 | |
| 2529 int lineNumber= document.getLineOfOffset(offset); | |
| 2530 IRegion lineInformation= document.getLineInformation(lineNumber); | |
| 2531 | |
| 2532 int lineEnd= lineInformation.getOffset() + lineInformation.getLength(); | |
| 2533 delta= offset - lineEnd; | |
| 2534 if (delta > 0) { | |
| 2535 // in the middle of a multi-character line delimiter | |
| 2536 offset= lineEnd; | |
| 2537 String delimiter= document.getLineDelimiter(lineNumber); | |
| 2538 if (delimiter !is null) | |
| 162 | 2539 offset += delimiter.length; |
| 129 | 2540 } |
| 2541 | |
| 2542 int end= offset + length; | |
| 2543 lineInformation= document.getLineInformationOfOffset(end); | |
| 2544 lineEnd= lineInformation.getOffset() + lineInformation.getLength(); | |
| 2545 delta= end - lineEnd; | |
| 2546 if (delta > 0) { | |
| 2547 // in the middle of a multi-character line delimiter | |
| 2548 length -= delta; | |
| 2549 } | |
| 2550 | |
| 2551 } catch (BadLocationException x) { | |
| 2552 selectionRange[0]= -1; | |
| 2553 selectionRange[1]= -1; | |
| 2554 return; | |
| 2555 } | |
| 2556 | |
| 2557 if (selectionRange[1] < 0) { | |
| 2558 selectionRange[0]= offset + length; | |
| 2559 selectionRange[1]= -length; | |
| 2560 } else { | |
| 2561 selectionRange[0]= offset; | |
| 2562 selectionRange[1]= length; | |
| 2563 } | |
| 2564 } | |
| 2565 | |
| 2566 /* | |
| 2567 * @see Viewer#setSelection(ISelection) | |
| 2568 */ | |
| 2569 public void setSelection(ISelection selection, bool reveal) { | |
| 138 | 2570 if ( cast(ITextSelection)selection ) { |
| 134 | 2571 ITextSelection s= cast(ITextSelection) selection; |
| 129 | 2572 setSelectedRange(s.getOffset(), s.getLength()); |
| 2573 if (reveal) | |
| 2574 revealRange(s.getOffset(), s.getLength()); | |
| 2575 } | |
| 2576 } | |
| 2577 | |
| 2578 /* | |
| 2579 * @see Viewer#getSelection() | |
| 2580 */ | |
| 2581 public ISelection getSelection() { | |
| 2582 Point p= getSelectedRange(); | |
| 2583 if (p.x is -1 || p.y is -1) | |
| 2584 return TextSelection.emptySelection(); | |
| 2585 | |
| 2586 return new TextSelection(getDocument(), p.x, p.y); | |
| 2587 } | |
| 2588 | |
| 2589 /* | |
| 2590 * @see ITextViewer#getSelectionProvider() | |
| 2591 */ | |
| 2592 public ISelectionProvider getSelectionProvider() { | |
| 2593 return this; | |
| 2594 } | |
| 2595 | |
| 2596 /* | |
| 2597 * @see dwtx.jface.text.IPostSelectionProvider#addPostSelectionChangedListener(dwtx.jface.viewers.ISelectionChangedListener) | |
| 2598 * @since 3.0 | |
| 2599 */ | |
| 2600 public void addPostSelectionChangedListener(ISelectionChangedListener listener) { | |
| 2601 | |
| 162 | 2602 Assert.isNotNull(cast(Object)listener); |
| 129 | 2603 |
| 2604 if (fPostSelectionChangedListeners is null) | |
| 2605 fPostSelectionChangedListeners= new ArrayList(); | |
| 2606 | |
| 162 | 2607 if (!fPostSelectionChangedListeners.contains(cast(Object)listener)) |
| 2608 fPostSelectionChangedListeners.add(cast(Object)listener); | |
| 129 | 2609 } |
| 2610 | |
| 2611 /* | |
| 2612 * @see dwtx.jface.text.IPostSelectionProvider#removePostSelectionChangedListener(dwtx.jface.viewers.ISelectionChangedListener) | |
| 2613 * @since 3.0 | |
| 2614 */ | |
| 2615 public void removePostSelectionChangedListener(ISelectionChangedListener listener) { | |
| 2616 | |
| 162 | 2617 Assert.isNotNull(cast(Object)listener); |
| 129 | 2618 |
| 2619 if (fPostSelectionChangedListeners !is null) { | |
| 162 | 2620 fPostSelectionChangedListeners.remove(cast(Object)listener); |
| 129 | 2621 if (fPostSelectionChangedListeners.size() is 0) |
| 2622 fPostSelectionChangedListeners= null; | |
| 2623 } | |
| 2624 } | |
| 2625 | |
| 2626 /** | |
| 2627 * Get the text widget's display. | |
| 2628 * | |
| 2629 * @return the display or <code>null</code> if the display cannot be retrieved or if the display is disposed | |
| 2630 * @since 3.0 | |
| 2631 */ | |
| 2632 private Display getDisplay() { | |
| 2633 if (fTextWidget is null || fTextWidget.isDisposed()) | |
| 2634 return null; | |
| 2635 | |
| 2636 Display display= fTextWidget.getDisplay(); | |
| 2637 if (display !is null && display.isDisposed()) | |
| 2638 return null; | |
| 2639 | |
| 2640 return display; | |
| 2641 } | |
| 2642 | |
| 2643 /** | |
| 2644 * Starts a timer to send out a post selection changed event. | |
| 2645 * | |
| 2646 * @param fireEqualSelection <code>true</code> iff the event must be fired if the selection does not change | |
| 2647 * @since 3.0 | |
| 2648 */ | |
| 156 | 2649 private void queuePostSelectionChanged(bool fireEqualSelection) { |
| 129 | 2650 Display display= getDisplay(); |
| 2651 if (display is null) | |
| 2652 return; | |
| 2653 | |
| 2654 fNumberOfPostSelectionChangedEvents[0]++; | |
| 186 | 2655 display.timerExec(getEmptySelectionChangedEventDelay(), dgRunnable( &queuePostSelectionChangedRunner, fNumberOfPostSelectionChangedEvents[0], fireEqualSelection)); |
| 2656 } | |
| 2657 private void queuePostSelectionChangedRunner(int id, bool fireEqualSelection_) { | |
| 2658 if (id is fNumberOfPostSelectionChangedEvents[0]) { | |
| 2659 // Check again because this is executed after the delay | |
| 2660 if (getDisplay() !is null) { | |
| 2661 Point selection= fTextWidget.getSelectionRange(); | |
| 2662 if (selection !is null) { | |
| 2663 IRegion r= widgetRange2ModelRange(new Region(selection.x, selection.y)); | |
| 2664 if (fireEqualSelection_ || (r !is null && !(cast(Object)r).opEquals(cast(Object)fLastSentPostSelectionChange)) || r is null) { | |
| 2665 fLastSentPostSelectionChange= r; | |
| 2666 firePostSelectionChanged(selection.x, selection.y); | |
| 129 | 2667 } |
| 2668 } | |
| 2669 } | |
| 186 | 2670 } |
| 2671 } | |
| 129 | 2672 /** |
| 2673 * Sends out a text selection changed event to all registered post selection changed listeners. | |
| 2674 * | |
| 2675 * @param offset the offset of the newly selected range in the visible document | |
| 2676 * @param length the length of the newly selected range in the visible document | |
| 2677 * @since 3.0 | |
| 2678 */ | |
| 2679 protected void firePostSelectionChanged(int offset, int length) { | |
| 2680 if (redraws()) { | |
| 2681 IRegion r= widgetRange2ModelRange(new Region(offset, length)); | |
| 2682 ISelection selection= r !is null ? new TextSelection(getDocument(), r.getOffset(), r.getLength()) : TextSelection.emptySelection(); | |
| 2683 SelectionChangedEvent event= new SelectionChangedEvent(this, selection); | |
| 2684 firePostSelectionChanged(event); | |
| 2685 } | |
| 2686 } | |
| 2687 | |
| 2688 /** | |
| 2689 * Sends out a text selection changed event to all registered listeners and | |
| 2690 * registers the selection changed event to be sent out to all post selection | |
| 2691 * listeners. | |
| 2692 * | |
| 2693 * @param offset the offset of the newly selected range in the visible document | |
| 2694 * @param length the length of the newly selected range in the visible document | |
| 2695 */ | |
| 2696 protected void selectionChanged(int offset, int length) { | |
| 2697 queuePostSelectionChanged(true); | |
| 2698 fireSelectionChanged(offset, length); | |
| 2699 } | |
| 2700 | |
| 2701 /** | |
| 2702 * Sends out a text selection changed event to all registered listeners. | |
| 2703 * | |
| 2704 * @param offset the offset of the newly selected range in the visible document | |
| 2705 * @param length the length of the newly selected range in the visible document | |
| 2706 * @since 3.0 | |
| 2707 */ | |
| 2708 protected void fireSelectionChanged(int offset, int length) { | |
| 2709 if (redraws()) { | |
| 2710 IRegion r= widgetRange2ModelRange(new Region(offset, length)); | |
| 162 | 2711 if ((r !is null && !(cast(Object)r).opEquals(cast(Object)fLastSentSelectionChange)) || r is null) { |
| 129 | 2712 fLastSentSelectionChange= r; |
| 2713 ISelection selection= r !is null ? new TextSelection(getDocument(), r.getOffset(), r.getLength()) : TextSelection.emptySelection(); | |
| 2714 SelectionChangedEvent event= new SelectionChangedEvent(this, selection); | |
| 2715 fireSelectionChanged(event); | |
| 2716 } | |
| 2717 } | |
| 2718 } | |
| 2719 | |
| 2720 /** | |
| 2721 * Sends the given event to all registered post selection changed listeners. | |
| 2722 * | |
| 2723 * @param event the selection event | |
| 2724 * @since 3.0 | |
| 2725 */ | |
| 2726 private void firePostSelectionChanged(SelectionChangedEvent event) { | |
| 2727 List listeners= fPostSelectionChangedListeners; | |
| 2728 if (listeners !is null) { | |
| 2729 listeners= new ArrayList(listeners); | |
| 2730 for (int i= 0; i < listeners.size(); i++) { | |
| 134 | 2731 ISelectionChangedListener l= cast(ISelectionChangedListener) listeners.get(i); |
| 129 | 2732 l.selectionChanged(event); |
| 2733 } | |
| 2734 } | |
| 2735 } | |
| 2736 | |
| 2737 /** | |
| 2738 * Sends out a mark selection changed event to all registered listeners. | |
| 2739 * | |
| 2740 * @param offset the offset of the mark selection in the visible document, the offset is <code>-1</code> if the mark was cleared | |
| 2741 * @param length the length of the mark selection, may be negative if the caret is before the mark. | |
| 2742 * @since 2.0 | |
| 2743 */ | |
| 2744 protected void markChanged(int offset, int length) { | |
| 2745 if (redraws()) { | |
| 2746 | |
| 2747 if (offset !is -1) { | |
| 2748 IRegion r= widgetRange2ModelRange(new Region(offset, length)); | |
| 2749 offset= r.getOffset(); | |
| 2750 length= r.getLength(); | |
| 2751 } | |
| 2752 | |
| 2753 ISelection selection= new MarkSelection(getDocument(), offset, length); | |
| 2754 SelectionChangedEvent event= new SelectionChangedEvent(this, selection); | |
| 2755 fireSelectionChanged(event); | |
| 2756 } | |
| 2757 } | |
| 2758 | |
| 2759 | |
| 2760 //---- Text listeners | |
| 2761 | |
| 2762 /* | |
| 2763 * @see ITextViewer#addTextListener(ITextListener) | |
| 2764 */ | |
| 2765 public void addTextListener(ITextListener listener) { | |
| 2766 | |
| 162 | 2767 Assert.isNotNull(cast(Object)listener); |
| 129 | 2768 |
| 2769 if (fTextListeners is null) | |
| 2770 fTextListeners= new ArrayList(); | |
| 2771 | |
| 162 | 2772 if (!fTextListeners.contains(cast(Object)listener)) |
| 2773 fTextListeners.add(cast(Object)listener); | |
| 129 | 2774 } |
| 2775 | |
| 2776 /* | |
| 2777 * @see ITextViewer#removeTextListener(ITextListener) | |
| 2778 */ | |
| 2779 public void removeTextListener(ITextListener listener) { | |
| 2780 | |
| 162 | 2781 Assert.isNotNull(cast(Object)listener); |
| 129 | 2782 |
| 2783 if (fTextListeners !is null) { | |
| 162 | 2784 fTextListeners.remove(cast(Object)listener); |
| 129 | 2785 if (fTextListeners.size() is 0) |
| 2786 fTextListeners= null; | |
| 2787 } | |
| 2788 } | |
| 2789 | |
| 2790 /** | |
| 2791 * Informs all registered text listeners about the change specified by the | |
| 2792 * widget command. This method does not use a robust iterator. | |
| 2793 * | |
| 2794 * @param cmd the widget command translated into a text event sent to all text listeners | |
| 2795 */ | |
| 2796 protected void updateTextListeners(WidgetCommand cmd) { | |
| 2797 List textListeners= fTextListeners; | |
| 2798 if (textListeners !is null) { | |
| 2799 textListeners= new ArrayList(textListeners); | |
| 2800 DocumentEvent event= cmd.event; | |
| 138 | 2801 if ( cast(SlaveDocumentEvent)event ) |
| 134 | 2802 event= (cast(SlaveDocumentEvent) event).getMasterEvent(); |
| 129 | 2803 |
| 2804 TextEvent e= new TextEvent(cmd.start, cmd.length, cmd.text, cmd.preservedText, event, redraws()); | |
| 2805 for (int i= 0; i < textListeners.size(); i++) { | |
| 134 | 2806 ITextListener l= cast(ITextListener) textListeners.get(i); |
| 129 | 2807 l.textChanged(e); |
| 2808 } | |
| 2809 } | |
| 2810 } | |
| 2811 | |
| 2812 //---- Text input listeners | |
| 2813 | |
| 2814 /* | |
| 2815 * @see ITextViewer#addTextInputListener(ITextInputListener) | |
| 2816 */ | |
| 2817 public void addTextInputListener(ITextInputListener listener) { | |
| 2818 | |
| 162 | 2819 Assert.isNotNull(cast(Object)listener); |
| 129 | 2820 |
| 2821 if (fTextInputListeners is null) | |
| 2822 fTextInputListeners= new ArrayList(); | |
| 2823 | |
| 162 | 2824 if (!fTextInputListeners.contains(cast(Object)listener)) |
| 2825 fTextInputListeners.add(cast(Object)listener); | |
| 129 | 2826 } |
| 2827 | |
| 2828 /* | |
| 2829 * @see ITextViewer#removeTextInputListener(ITextInputListener) | |
| 2830 */ | |
| 2831 public void removeTextInputListener(ITextInputListener listener) { | |
| 2832 | |
| 162 | 2833 Assert.isNotNull(cast(Object)listener); |
| 129 | 2834 |
| 2835 if (fTextInputListeners !is null) { | |
| 162 | 2836 fTextInputListeners.remove(cast(Object)listener); |
| 129 | 2837 if (fTextInputListeners.size() is 0) |
| 2838 fTextInputListeners= null; | |
| 2839 } | |
| 2840 } | |
| 2841 | |
| 2842 /** | |
| 2843 * Informs all registered text input listeners about the forthcoming input change, | |
| 2844 * This method does not use a robust iterator. | |
| 2845 * | |
| 2846 * @param oldInput the old input document | |
| 2847 * @param newInput the new input document | |
| 2848 */ | |
| 2849 protected void fireInputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) { | |
| 2850 List listener= fTextInputListeners; | |
| 2851 if (listener !is null) { | |
| 2852 for (int i= 0; i < listener.size(); i++) { | |
| 134 | 2853 ITextInputListener l= cast(ITextInputListener) listener.get(i); |
| 129 | 2854 l.inputDocumentAboutToBeChanged(oldInput, newInput); |
| 2855 } | |
| 2856 } | |
| 2857 } | |
| 2858 | |
| 2859 /** | |
| 2860 * Informs all registered text input listeners about the successful input change, | |
| 2861 * This method does not use a robust iterator. | |
| 2862 * | |
| 2863 * @param oldInput the old input document | |
| 2864 * @param newInput the new input document | |
| 2865 */ | |
| 2866 protected void fireInputDocumentChanged(IDocument oldInput, IDocument newInput) { | |
| 2867 List listener= fTextInputListeners; | |
| 2868 if (listener !is null) { | |
| 2869 for (int i= 0; i < listener.size(); i++) { | |
| 134 | 2870 ITextInputListener l= cast(ITextInputListener) listener.get(i); |
| 129 | 2871 l.inputDocumentChanged(oldInput, newInput); |
| 2872 } | |
| 2873 } | |
| 2874 } | |
| 2875 | |
| 2876 //---- Document | |
| 2877 | |
| 2878 /* | |
| 2879 * @see Viewer#getInput() | |
| 2880 */ | |
| 2881 public Object getInput() { | |
| 162 | 2882 return cast(Object)getDocument(); |
| 129 | 2883 } |
| 2884 | |
| 2885 /* | |
| 2886 * @see ITextViewer#getDocument() | |
| 2887 */ | |
| 2888 public IDocument getDocument() { | |
| 2889 return fDocument; | |
| 2890 } | |
| 2891 | |
| 2892 /* | |
| 2893 * @see Viewer#setInput(Object) | |
| 2894 */ | |
| 2895 public void setInput(Object input) { | |
| 2896 | |
| 2897 IDocument document= null; | |
| 138 | 2898 if ( cast(IDocument)input ) |
| 134 | 2899 document= cast(IDocument) input; |
| 129 | 2900 |
| 2901 setDocument(document); | |
| 2902 } | |
| 2903 | |
| 2904 /* | |
| 2905 * @see ITextViewer#setDocument(IDocument) | |
| 2906 */ | |
| 2907 public void setDocument(IDocument document) { | |
| 2908 | |
| 2909 fReplaceTextPresentation= true; | |
| 2910 fireInputDocumentAboutToBeChanged(fDocument, document); | |
| 2911 | |
| 2912 IDocument oldDocument= fDocument; | |
| 2913 fDocument= document; | |
| 2914 | |
| 2915 setVisibleDocument(fDocument); | |
| 2916 | |
| 2917 resetPlugins(); | |
| 162 | 2918 inputChanged(cast(Object)fDocument, cast(Object)oldDocument); |
| 129 | 2919 |
| 2920 fireInputDocumentChanged(oldDocument, fDocument); | |
| 2921 fLastSentSelectionChange= null; | |
| 2922 fReplaceTextPresentation= false; | |
| 2923 } | |
| 2924 | |
| 2925 /* | |
| 2926 * @see ITextViewer#setDocument(IDocument, int, int) | |
| 2927 */ | |
| 2928 public void setDocument(IDocument document, int modelRangeOffset, int modelRangeLength) { | |
| 2929 | |
| 2930 fReplaceTextPresentation= true; | |
| 2931 fireInputDocumentAboutToBeChanged(fDocument, document); | |
| 2932 | |
| 2933 IDocument oldDocument= fDocument; | |
| 2934 fDocument= document; | |
| 2935 | |
| 2936 try { | |
| 2937 | |
| 2938 IDocument slaveDocument= createSlaveDocument(document); | |
| 2939 updateSlaveDocument(slaveDocument, modelRangeOffset, modelRangeLength); | |
| 2940 setVisibleDocument(slaveDocument); | |
| 2941 | |
| 2942 } catch (BadLocationException x) { | |
| 2943 throw new IllegalArgumentException(JFaceTextMessages.getString("TextViewer.error.invalid_visible_region_1")); //$NON-NLS-1$ | |
| 2944 } | |
| 2945 | |
| 2946 resetPlugins(); | |
| 162 | 2947 inputChanged(cast(Object)fDocument, cast(Object)oldDocument); |
| 129 | 2948 |
| 2949 fireInputDocumentChanged(oldDocument, fDocument); | |
| 2950 fLastSentSelectionChange= null; | |
| 2951 fReplaceTextPresentation= false; | |
| 2952 } | |
| 2953 | |
| 2954 /** | |
| 2955 * Creates a slave document for the given document if there is a slave document manager | |
| 2956 * associated with this viewer. | |
| 2957 * | |
| 2958 * @param document the master document | |
| 2959 * @return the newly created slave document | |
| 2960 * @since 2.1 | |
| 2961 */ | |
| 2962 protected IDocument createSlaveDocument(IDocument document) { | |
| 2963 ISlaveDocumentManager manager= getSlaveDocumentManager(); | |
| 2964 if (manager !is null) { | |
| 2965 if (manager.isSlaveDocument(document)) | |
| 2966 return document; | |
| 2967 return manager.createSlaveDocument(document); | |
| 2968 } | |
| 2969 return document; | |
| 2970 } | |
| 2971 | |
| 2972 /** | |
| 2973 * Sets the given slave document to the specified range of its master document. | |
| 2974 * | |
| 2975 * @param visibleDocument the slave document | |
| 2976 * @param visibleRegionOffset the offset of the master document range | |
| 2977 * @param visibleRegionLength the length of the master document range | |
| 2978 * @return <code>true</code> if the slave has been adapted successfully | |
| 2979 * @throws BadLocationException in case the specified range is not valid in the master document | |
| 2980 * @since 2.1 | |
| 2981 * @deprecated use <code>updateSlaveDocument</code> instead | |
| 2982 */ | |
|
136
6dcb0baaa031
Regex removal of throws decls, some instanceof
Frank Benoit <benoit@tionex.de>
parents:
135
diff
changeset
|
2983 protected bool updateVisibleDocument(IDocument visibleDocument, int visibleRegionOffset, int visibleRegionLength) { |
| 138 | 2984 if ( cast(ChildDocument)visibleDocument ) { |
| 134 | 2985 ChildDocument childDocument= cast(ChildDocument) visibleDocument; |
| 129 | 2986 |
| 2987 IDocument document= childDocument.getParentDocument(); | |
| 2988 int line= document.getLineOfOffset(visibleRegionOffset); | |
| 2989 int offset= document.getLineOffset(line); | |
| 2990 int length= (visibleRegionOffset - offset) + visibleRegionLength; | |
| 2991 | |
| 2992 Position parentRange= childDocument.getParentDocumentRange(); | |
| 2993 if (offset !is parentRange.getOffset() || length !is parentRange.getLength()) { | |
| 2994 childDocument.setParentDocumentRange(offset, length); | |
| 2995 return true; | |
| 2996 } | |
| 2997 } | |
| 2998 return false; | |
| 2999 } | |
| 3000 | |
| 3001 /** | |
| 3002 * Updates the given slave document to show the specified range of its master document. | |
| 3003 * | |
| 3004 * @param slaveDocument the slave document | |
| 3005 * @param modelRangeOffset the offset of the master document range | |
| 3006 * @param modelRangeLength the length of the master document range | |
| 3007 * @return <code>true</code> if the slave has been adapted successfully | |
| 3008 * @throws BadLocationException in case the specified range is not valid in the master document | |
| 3009 * @since 3.0 | |
| 3010 */ | |
|
136
6dcb0baaa031
Regex removal of throws decls, some instanceof
Frank Benoit <benoit@tionex.de>
parents:
135
diff
changeset
|
3011 protected bool updateSlaveDocument(IDocument slaveDocument, int modelRangeOffset, int modelRangeLength) { |
| 129 | 3012 return updateVisibleDocument(slaveDocument, modelRangeOffset, modelRangeLength); |
| 3013 } | |
| 3014 | |
| 3015 | |
| 3016 | |
| 3017 //---- View ports | |
| 3018 | |
| 3019 /** | |
| 3020 * Initializes all listeners and structures required to set up view port listeners. | |
| 3021 */ | |
| 3022 private void initializeViewportUpdate() { | |
| 3023 | |
| 3024 if (fViewportGuard !is null) | |
| 3025 return; | |
| 3026 | |
| 3027 if (fTextWidget !is null) { | |
| 3028 | |
| 3029 fViewportGuard= new ViewportGuard(); | |
| 3030 fLastTopPixel= -1; | |
| 3031 | |
| 3032 fTextWidget.addKeyListener(fViewportGuard); | |
| 3033 fTextWidget.addMouseListener(fViewportGuard); | |
| 3034 | |
| 3035 fScroller= fTextWidget.getVerticalBar(); | |
| 3036 if (fScroller !is null) | |
| 3037 fScroller.addSelectionListener(fViewportGuard); | |
| 3038 } | |
| 3039 } | |
| 3040 | |
| 3041 /** | |
| 3042 * Removes all listeners and structures required to set up view port listeners. | |
| 3043 */ | |
| 3044 private void removeViewPortUpdate() { | |
| 3045 | |
| 3046 if (fTextWidget !is null) { | |
| 3047 | |
| 3048 fTextWidget.removeKeyListener(fViewportGuard); | |
| 3049 fTextWidget.removeMouseListener(fViewportGuard); | |
| 3050 | |
| 3051 if (fScroller !is null && !fScroller.isDisposed()) { | |
| 3052 fScroller.removeSelectionListener(fViewportGuard); | |
| 3053 fScroller= null; | |
| 3054 } | |
| 3055 | |
| 3056 fViewportGuard= null; | |
| 3057 } | |
| 3058 } | |
| 3059 | |
| 3060 /* | |
| 3061 * @see ITextViewer#addViewportListener(IViewportListener) | |
| 3062 */ | |
| 3063 public void addViewportListener(IViewportListener listener) { | |
| 3064 | |
| 3065 if (fViewportListeners is null) { | |
| 3066 fViewportListeners= new ArrayList(); | |
| 3067 initializeViewportUpdate(); | |
| 3068 } | |
| 3069 | |
| 162 | 3070 if (!fViewportListeners.contains(cast(Object)listener)) |
| 3071 fViewportListeners.add(cast(Object)listener); | |
| 129 | 3072 } |
| 3073 | |
| 3074 /* | |
| 3075 * @see ITextViewer#removeViewportListener(IVewportListener) | |
| 3076 */ | |
| 3077 public void removeViewportListener(IViewportListener listener) { | |
| 3078 if (fViewportListeners !is null) | |
| 162 | 3079 fViewportListeners.remove(cast(Object)listener); |
| 129 | 3080 } |
| 3081 | |
| 3082 /** | |
| 3083 * Checks whether the view port changed and if so informs all registered | |
| 3084 * listeners about the change. | |
| 3085 * | |
| 3086 * @param origin describes under which circumstances this method has been called. | |
| 3087 * | |
| 3088 * @see IViewportListener | |
| 3089 */ | |
| 3090 protected void updateViewportListeners(int origin) { | |
| 3091 | |
| 3092 if (redraws()) { | |
| 3093 int topPixel= fTextWidget.getTopPixel(); | |
| 3094 if (topPixel >= 0 && topPixel !is fLastTopPixel) { | |
| 3095 if (fViewportListeners !is null) { | |
| 3096 for (int i= 0; i < fViewportListeners.size(); i++) { | |
| 134 | 3097 IViewportListener l= cast(IViewportListener) fViewportListeners.get(i); |
| 129 | 3098 l.viewportChanged(topPixel); |
| 3099 } | |
| 3100 } | |
| 3101 fLastTopPixel= topPixel; | |
| 3102 } | |
| 3103 } | |
| 3104 } | |
| 3105 | |
| 3106 //---- scrolling and revealing | |
| 3107 | |
| 3108 /* | |
| 3109 * @see ITextViewer#getTopIndex() | |
| 3110 */ | |
| 3111 public int getTopIndex() { | |
| 3112 | |
| 3113 if (fTextWidget !is null) { | |
| 3114 int top= fTextWidget.getTopIndex(); | |
| 3115 return widgetLine2ModelLine(top); | |
| 3116 } | |
| 3117 | |
| 3118 return -1; | |
| 3119 } | |
| 3120 | |
| 3121 /* | |
| 3122 * @see ITextViewer#setTopIndex(int) | |
| 3123 */ | |
| 3124 public void setTopIndex(int index) { | |
| 3125 | |
| 3126 if (fTextWidget !is null) { | |
| 3127 | |
| 3128 int widgetLine= modelLine2WidgetLine(index); | |
| 3129 if (widgetLine is -1) | |
| 3130 widgetLine= getClosestWidgetLineForModelLine(index); | |
| 3131 | |
| 3132 if (widgetLine > -1) { | |
| 3133 fTextWidget.setTopIndex(widgetLine); | |
| 3134 updateViewportListeners(INTERNAL); | |
| 3135 } | |
| 3136 } | |
| 3137 } | |
| 3138 | |
| 3139 /** | |
| 3140 * Returns the number of lines that can fully fit into the viewport. This is computed by | |
| 3141 * dividing the widget's client area height by the widget's line height. The result is only | |
| 3142 * accurate if the widget does not use variable line heights - for that reason, clients should | |
| 3143 * not use this method any longer and use the client area height of the text widget to find out | |
| 3144 * how much content fits into it. | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3145 * |
| 129 | 3146 * @return the view port height in lines |
| 3147 * @deprecated as of 3.2 | |
| 3148 */ | |
| 3149 protected int getVisibleLinesInViewport() { | |
| 3150 if (fTextWidget !is null) { | |
| 3151 Rectangle clArea= fTextWidget.getClientArea(); | |
| 3152 if (!clArea.isEmpty()) | |
| 3153 return clArea.height / fTextWidget.getLineHeight(); | |
| 3154 } | |
| 3155 return -1; | |
| 3156 } | |
| 3157 | |
| 3158 /* | |
| 3159 * @see ITextViewer#getBottomIndex() | |
| 3160 */ | |
| 3161 public int getBottomIndex() { | |
| 3162 | |
| 3163 if (fTextWidget is null) | |
| 3164 return -1; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3165 |
| 129 | 3166 int widgetBottom= JFaceTextUtil.getBottomIndex(fTextWidget); |
| 3167 return widgetLine2ModelLine(widgetBottom); | |
| 3168 } | |
| 3169 | |
| 3170 /* | |
| 3171 * @see ITextViewer#getTopIndexStartOffset() | |
| 3172 */ | |
| 3173 public int getTopIndexStartOffset() { | |
| 3174 | |
| 3175 if (fTextWidget !is null) { | |
| 3176 int top= fTextWidget.getTopIndex(); | |
| 3177 try { | |
| 3178 top= getVisibleDocument().getLineOffset(top); | |
| 3179 return widgetOffset2ModelOffset(top); | |
| 3180 } catch (BadLocationException ex) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3181 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3182 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.getTopIndexStartOffset")); //$NON-NLS-1$ |
| 129 | 3183 } |
| 3184 } | |
| 3185 | |
| 3186 return -1; | |
| 3187 } | |
| 3188 | |
| 3189 /* | |
| 3190 * @see ITextViewer#getBottomIndexEndOffset() | |
| 3191 */ | |
| 3192 public int getBottomIndexEndOffset() { | |
| 3193 try { | |
| 3194 | |
| 3195 IRegion line= getDocument().getLineInformation(getBottomIndex()); | |
| 3196 int bottomEndOffset= line.getOffset() + line.getLength() - 1; | |
| 3197 | |
| 3198 IRegion coverage= getModelCoverage(); | |
| 3199 if (coverage is null) | |
| 3200 return -1; | |
| 3201 | |
| 3202 int coverageEndOffset= coverage.getOffset() + coverage.getLength() - 1; | |
| 3203 return Math.min(coverageEndOffset, bottomEndOffset); | |
| 3204 | |
| 3205 } catch (BadLocationException ex) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3206 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3207 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.getBottomIndexEndOffset")); //$NON-NLS-1$ |
| 129 | 3208 return getDocument().getLength() - 1; |
| 3209 } | |
| 3210 } | |
| 3211 | |
| 3212 /* | |
| 3213 * @see ITextViewer#revealRange(int, int) | |
| 3214 */ | |
| 3215 public void revealRange(int start, int length) { | |
| 3216 | |
| 3217 if (fTextWidget is null || !redraws()) | |
| 3218 return; | |
| 3219 | |
| 3220 IRegion modelRange= new Region(start, length); | |
| 3221 IRegion widgetRange= modelRange2ClosestWidgetRange(modelRange); | |
| 3222 if (widgetRange !is null) { | |
| 3223 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3224 int[] range= [ widgetRange.getOffset(), widgetRange.getLength() ]; |
| 129 | 3225 validateSelectionRange(range); |
| 3226 if (range[0] >= 0) | |
| 3227 internalRevealRange(range[0], range[0] + range[1]); | |
| 3228 | |
| 3229 } else { | |
| 3230 | |
| 3231 IRegion coverage= getModelCoverage(); | |
| 3232 int cursor= (coverage is null || start < coverage.getOffset()) ? 0 : getVisibleDocument().getLength(); | |
| 3233 internalRevealRange(cursor, cursor); | |
| 3234 } | |
| 3235 } | |
| 3236 | |
| 3237 /** | |
| 3238 * Reveals the given range of the visible document. | |
| 3239 * | |
| 3240 * @param start the start offset of the range | |
| 3241 * @param end the end offset of the range | |
| 3242 */ | |
| 3243 protected void internalRevealRange(int start, int end) { | |
| 3244 | |
| 3245 try { | |
| 3246 | |
| 3247 IDocument doc= getVisibleDocument(); | |
| 3248 | |
| 3249 int startLine= doc.getLineOfOffset(start); | |
| 3250 int endLine= doc.getLineOfOffset(end); | |
| 3251 | |
| 3252 int top= fTextWidget.getTopIndex(); | |
| 3253 if (top > -1) { | |
| 3254 | |
| 3255 // scroll vertically | |
| 3256 int bottom= JFaceTextUtil.getBottomIndex(fTextWidget); | |
| 3257 int lines= bottom - top; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3258 |
| 129 | 3259 // if the widget is not scrollable as it is displaying the entire content |
| 3260 // setTopIndex won't have any effect. | |
| 3261 | |
| 3262 if (startLine >= top && startLine <= bottom && endLine >= top && endLine <= bottom ) { | |
| 3263 | |
| 3264 // do not scroll at all as it is already visible | |
| 3265 | |
| 3266 } else { | |
| 3267 | |
| 3268 int delta= Math.max(0, lines - (endLine - startLine)); | |
| 3269 fTextWidget.setTopIndex(startLine - delta/3); | |
| 3270 updateViewportListeners(INTERNAL); | |
| 3271 } | |
| 3272 | |
| 3273 // scroll horizontally | |
| 3274 | |
| 3275 if (endLine < startLine) { | |
| 3276 endLine += startLine; | |
| 3277 startLine= endLine - startLine; | |
| 3278 endLine -= startLine; | |
| 3279 } | |
| 3280 | |
| 3281 int startPixel= -1; | |
| 3282 int endPixel= -1; | |
| 3283 | |
| 3284 if (endLine > startLine) { | |
| 3285 // reveal the beginning of the range in the start line | |
| 3286 IRegion extent= getExtent(start, start); | |
| 3287 startPixel= extent.getOffset() + fTextWidget.getHorizontalPixel(); | |
| 3288 endPixel= startPixel; | |
| 3289 | |
| 3290 } else { | |
| 3291 IRegion extent= getExtent(start, end); | |
| 3292 startPixel= extent.getOffset() + fTextWidget.getHorizontalPixel(); | |
| 3293 endPixel= startPixel + extent.getLength(); | |
| 3294 } | |
| 3295 | |
| 3296 int visibleStart= fTextWidget.getHorizontalPixel(); | |
| 3297 int visibleEnd= visibleStart + fTextWidget.getClientArea().width; | |
| 3298 | |
| 3299 // scroll only if not yet visible | |
| 3300 if (startPixel < visibleStart || visibleEnd < endPixel) { | |
| 3301 | |
| 3302 // set buffer zone to 10 pixels | |
| 3303 int bufferZone= 10; | |
| 3304 | |
| 3305 int newOffset= visibleStart; | |
| 3306 | |
| 3307 int visibleWidth= visibleEnd - visibleStart; | |
| 3308 int selectionPixelWidth= endPixel - startPixel; | |
| 3309 | |
| 3310 if (startPixel < visibleStart) | |
| 3311 newOffset= startPixel; | |
| 3312 else if (selectionPixelWidth + bufferZone < visibleWidth) | |
| 3313 newOffset= endPixel + bufferZone - visibleWidth; | |
| 3314 else | |
| 3315 newOffset= startPixel; | |
| 3316 | |
| 134 | 3317 float index= (cast(float)newOffset) / (cast(float)getAverageCharWidth()); |
| 129 | 3318 |
| 162 | 3319 fTextWidget.setHorizontalIndex(cast(int)Math.round(index)); |
| 129 | 3320 } |
| 3321 | |
| 3322 } | |
| 3323 } catch (BadLocationException e) { | |
| 3324 throw new IllegalArgumentException(JFaceTextMessages.getString("TextViewer.error.invalid_range")); //$NON-NLS-1$ | |
| 3325 } | |
| 3326 } | |
| 3327 | |
| 3328 /** | |
| 3329 * Returns the width of the text when being drawn into this viewer's widget. | |
| 3330 * | |
| 3331 * @param text the string to measure | |
| 3332 * @return the width of the presentation of the given string | |
| 3333 * @deprecated use <code>getWidthInPixels(int, int)</code> instead | |
| 3334 */ | |
| 3335 final protected int getWidthInPixels(String text) { | |
| 3336 GC gc= new GC(fTextWidget); | |
| 3337 gc.setFont(fTextWidget.getFont()); | |
| 3338 Point extent= gc.textExtent(text); | |
| 3339 gc.dispose(); | |
| 3340 return extent.x; | |
| 3341 } | |
| 3342 | |
| 3343 /** | |
| 3344 * Returns the region covered by the given start and end offset. | |
| 3345 * The result is relative to the upper left corner of the widget | |
| 3346 * client area. | |
| 3347 * | |
| 3348 * @param start offset relative to the start of this viewer's view port | |
| 3349 * 0 <= offset <= getCharCount() | |
| 3350 * @param end offset relative to the start of this viewer's view port | |
| 3351 * 0 <= offset <= getCharCount() | |
| 3352 * @return the region covered by start and end offset | |
| 3353 */ | |
| 3354 final protected IRegion getExtent(int start, int end) { | |
| 3355 if (end > 0 && start < end) { | |
| 3356 Rectangle bounds= fTextWidget.getTextBounds(start, end - 1); | |
| 3357 return new Region(bounds.x, bounds.width); | |
| 3358 } | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3359 |
| 129 | 3360 return new Region(fTextWidget.getLocationAtOffset(start).x, 0); |
| 3361 } | |
| 3362 | |
| 3363 /** | |
| 3364 * Returns the width of the representation of a text range in the | |
| 3365 * visible region of the viewer's document as drawn in this viewer's | |
| 3366 * widget. | |
| 3367 * | |
| 3368 * @param offset the offset of the text range in the visible region | |
| 3369 * @param length the length of the text range in the visible region | |
| 3370 * @return the width of the presentation of the specified text range | |
| 3371 * @since 2.0 | |
| 3372 */ | |
| 3373 final protected int getWidthInPixels(int offset, int length) { | |
| 3374 return getExtent(offset, offset + length).getLength(); | |
| 3375 } | |
| 3376 | |
| 3377 /** | |
| 3378 * Returns the average character width of this viewer's widget. | |
| 3379 * | |
| 3380 * @return the average character width of this viewer's widget | |
| 3381 */ | |
| 3382 final protected int getAverageCharWidth() { | |
| 3383 return JFaceTextUtil.getAverageCharWidth(getTextWidget()); | |
| 3384 } | |
| 3385 | |
| 3386 /* | |
| 3387 * @see Viewer#refresh() | |
| 3388 */ | |
| 3389 public void refresh() { | |
| 3390 setDocument(getDocument()); | |
| 3391 } | |
| 3392 | |
| 3393 //---- visible range support | |
| 3394 | |
| 3395 /** | |
| 3396 * Returns the slave document manager | |
| 3397 * | |
| 3398 * @return the slave document manager | |
| 3399 * @since 2.1 | |
| 3400 */ | |
| 3401 protected ISlaveDocumentManager getSlaveDocumentManager() { | |
| 3402 if (fSlaveDocumentManager is null) | |
| 3403 fSlaveDocumentManager= createSlaveDocumentManager(); | |
| 3404 return fSlaveDocumentManager; | |
| 3405 } | |
| 3406 | |
| 3407 /** | |
| 3408 * Creates a new slave document manager. This implementation always | |
| 3409 * returns a <code>ChildDocumentManager</code>. | |
| 3410 * | |
| 3411 * @return ISlaveDocumentManager | |
| 3412 * @since 2.1 | |
| 3413 */ | |
| 3414 protected ISlaveDocumentManager createSlaveDocumentManager() { | |
| 3415 return new ChildDocumentManager(); | |
| 3416 } | |
| 3417 | |
| 3418 /* | |
| 3419 * @see dwtx.jface.text.ITextViewer#invalidateTextPresentation() | |
| 3420 */ | |
| 3421 public final void invalidateTextPresentation() { | |
| 3422 if (fVisibleDocument !is null) { | |
| 3423 fWidgetCommand.event= null; | |
| 3424 fWidgetCommand.start= 0; | |
| 3425 fWidgetCommand.length= fVisibleDocument.getLength(); | |
| 3426 fWidgetCommand.text= fVisibleDocument.get(); | |
| 3427 updateTextListeners(fWidgetCommand); | |
| 3428 } | |
| 3429 } | |
| 3430 | |
| 3431 /** | |
| 3432 * Invalidates the given range of the text presentation. | |
| 3433 * | |
| 3434 * @param offset the offset of the range to be invalidated | |
| 3435 * @param length the length of the range to be invalidated | |
| 3436 * @since 2.1 | |
| 3437 */ | |
| 3438 public final void invalidateTextPresentation(int offset, int length) { | |
| 3439 if (fVisibleDocument !is null) { | |
| 3440 | |
| 3441 IRegion widgetRange= modelRange2WidgetRange(new Region(offset, length)); | |
| 3442 if (widgetRange !is null) { | |
| 3443 | |
| 3444 fWidgetCommand.event= null; | |
| 3445 fWidgetCommand.start= widgetRange.getOffset(); | |
| 3446 fWidgetCommand.length= widgetRange.getLength(); | |
| 3447 | |
| 3448 try { | |
| 3449 fWidgetCommand.text= fVisibleDocument.get(widgetRange.getOffset(), widgetRange.getLength()); | |
| 3450 updateTextListeners(fWidgetCommand); | |
| 3451 } catch (BadLocationException x) { | |
| 3452 // can not happen because of previous checking | |
| 3453 } | |
| 3454 } | |
| 3455 } | |
| 3456 } | |
| 3457 | |
| 3458 /** | |
| 3459 * Initializes the text widget with the visual document and | |
| 3460 * invalidates the overall presentation. | |
| 3461 */ | |
| 3462 private void initializeWidgetContents() { | |
| 3463 | |
| 3464 if (fTextWidget !is null && fVisibleDocument !is null) { | |
| 3465 | |
| 3466 // set widget content | |
| 3467 if (fDocumentAdapter is null) | |
| 3468 fDocumentAdapter= createDocumentAdapter(); | |
| 3469 | |
| 3470 fDocumentAdapter.setDocument(fVisibleDocument); | |
| 3471 fTextWidget.setContent(fDocumentAdapter); | |
| 3472 | |
| 3473 // invalidate presentation | |
| 3474 invalidateTextPresentation(); | |
| 3475 } | |
| 3476 } | |
| 3477 | |
| 3478 /** | |
| 3479 * Frees the given document if it is a slave document. | |
| 3480 * | |
| 3481 * @param slave the potential slave document | |
| 3482 * @since 3.0 | |
| 3483 */ | |
| 3484 protected void freeSlaveDocument(IDocument slave) { | |
| 3485 ISlaveDocumentManager manager= getSlaveDocumentManager(); | |
| 3486 if (manager !is null && manager.isSlaveDocument(slave)) | |
| 3487 manager.freeSlaveDocument(slave); | |
| 3488 } | |
| 3489 | |
| 3490 /** | |
| 3491 * Sets this viewer's visible document. The visible document represents the | |
| 3492 * visible region of the viewer's input document. | |
| 3493 * | |
| 3494 * @param document the visible document | |
| 3495 */ | |
| 3496 protected void setVisibleDocument(IDocument document) { | |
| 3497 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3498 if (fVisibleDocument is document && cast(ChildDocument)fVisibleDocument ) { |
| 129 | 3499 // optimization for new child documents |
| 3500 return; | |
| 3501 } | |
| 3502 | |
| 3503 if (fVisibleDocument !is null) { | |
| 3504 if (fVisibleDocumentListener !is null) | |
| 3505 fVisibleDocument.removeDocumentListener(fVisibleDocumentListener); | |
| 3506 if (fVisibleDocument !is document) | |
| 3507 freeSlaveDocument(fVisibleDocument); | |
| 3508 } | |
| 3509 | |
| 3510 fVisibleDocument= document; | |
| 3511 initializeDocumentInformationMapping(fVisibleDocument); | |
| 3512 | |
| 3513 initializeWidgetContents(); | |
| 3514 | |
| 3515 fFindReplaceDocumentAdapter= null; | |
| 3516 if (fVisibleDocument !is null && fVisibleDocumentListener !is null) | |
| 3517 fVisibleDocument.addDocumentListener(fVisibleDocumentListener); | |
| 3518 } | |
| 3519 | |
| 3520 /** | |
| 3521 * Hook method called when the visible document is about to be changed. | |
| 3522 * <p> | |
| 3523 * Subclasses may override. | |
| 3524 * | |
| 3525 * @param event the document event | |
| 3526 * @since 3.0 | |
| 3527 */ | |
| 3528 protected void handleVisibleDocumentAboutToBeChanged(DocumentEvent event) { | |
| 3529 } | |
| 3530 | |
| 3531 /** | |
| 3532 * Hook method called when the visible document has been changed. | |
| 3533 * <p> | |
| 3534 * Subclasses may override. | |
| 3535 * | |
| 3536 * @param event the document event | |
| 3537 * @since 3.0 | |
| 3538 */ | |
| 3539 protected void handleVisibleDocumentChanged(DocumentEvent event) { | |
| 3540 } | |
| 3541 | |
| 3542 /** | |
| 3543 * Initializes the document information mapping between the given slave document and | |
| 3544 * its master document. | |
| 3545 * | |
| 3546 * @param visibleDocument the slave document | |
| 3547 * @since 2.1 | |
| 3548 */ | |
| 3549 protected void initializeDocumentInformationMapping(IDocument visibleDocument) { | |
| 3550 ISlaveDocumentManager manager= getSlaveDocumentManager(); | |
| 3551 fInformationMapping= manager is null ? null : manager.createMasterSlaveMapping(visibleDocument); | |
| 3552 } | |
| 3553 | |
| 3554 /** | |
| 3555 * Returns the viewer's visible document. | |
| 3556 * | |
| 3557 * @return the viewer's visible document | |
| 3558 */ | |
| 3559 protected IDocument getVisibleDocument() { | |
| 3560 return fVisibleDocument; | |
| 3561 } | |
| 3562 | |
| 3563 /** | |
| 3564 * Returns the offset of the visible region. | |
| 3565 * | |
| 3566 * @return the offset of the visible region | |
| 3567 */ | |
| 3568 protected int _getVisibleRegionOffset() { | |
| 3569 | |
| 3570 IDocument document= getVisibleDocument(); | |
| 138 | 3571 if ( cast(ChildDocument)document ) { |
| 134 | 3572 ChildDocument cdoc= cast(ChildDocument) document; |
| 129 | 3573 return cdoc.getParentDocumentRange().getOffset(); |
| 3574 } | |
| 3575 | |
| 3576 return 0; | |
| 3577 } | |
| 162 | 3578 package int _getVisibleRegionOffset_package() { |
| 3579 return _getVisibleRegionOffset(); | |
| 3580 } | |
| 129 | 3581 |
| 3582 /* | |
| 3583 * @see ITextViewer#getVisibleRegion() | |
| 3584 */ | |
| 3585 public IRegion getVisibleRegion() { | |
| 3586 | |
| 3587 IDocument document= getVisibleDocument(); | |
| 138 | 3588 if ( cast(ChildDocument)document ) { |
| 134 | 3589 Position p= (cast(ChildDocument) document).getParentDocumentRange(); |
| 129 | 3590 return new Region(p.getOffset(), p.getLength()); |
| 3591 } | |
| 3592 | |
| 3593 return new Region(0, document is null ? 0 : document.getLength()); | |
| 3594 } | |
| 3595 | |
| 3596 /* | |
| 3597 * @see ITextViewer#overlapsWithVisibleRegion(int, int) | |
| 3598 */ | |
| 3599 public bool overlapsWithVisibleRegion(int start, int length) { | |
| 3600 IDocument document= getVisibleDocument(); | |
| 138 | 3601 if ( cast(ChildDocument)document ) { |
| 134 | 3602 ChildDocument cdoc= cast(ChildDocument) document; |
| 129 | 3603 return cdoc.getParentDocumentRange().overlapsWith(start, length); |
| 3604 } else if (document !is null) { | |
| 3605 int size= document.getLength(); | |
| 3606 return (start >= 0 && length >= 0 && start + length <= size); | |
| 3607 } | |
| 3608 return false; | |
| 3609 } | |
| 3610 | |
| 3611 /* | |
| 3612 * @see ITextViewer#setVisibleRegion(int, int) | |
| 3613 */ | |
| 3614 public void setVisibleRegion(int start, int length) { | |
| 3615 | |
| 3616 IRegion region= getVisibleRegion(); | |
| 3617 if (start is region.getOffset() && length is region.getLength()) { | |
| 3618 // nothing to change | |
| 3619 return; | |
| 3620 } | |
| 3621 | |
| 3622 setRedraw(false); | |
| 3623 try { | |
| 3624 | |
| 3625 IDocument slaveDocument= createSlaveDocument(getVisibleDocument()); | |
| 3626 if (updateSlaveDocument(slaveDocument, start, length)) | |
| 3627 setVisibleDocument(slaveDocument); | |
| 3628 | |
| 3629 } catch (BadLocationException x) { | |
| 3630 throw new IllegalArgumentException(JFaceTextMessages.getString("TextViewer.error.invalid_visible_region_2")); //$NON-NLS-1$ | |
| 3631 } finally { | |
| 3632 setRedraw(true); | |
| 3633 } | |
| 3634 } | |
| 3635 | |
| 3636 /* | |
| 3637 * @see ITextViewer#resetVisibleRegion() | |
| 3638 */ | |
| 3639 public void resetVisibleRegion() { | |
| 3640 ISlaveDocumentManager manager= getSlaveDocumentManager(); | |
| 3641 if (manager !is null) { | |
| 3642 IDocument slave= getVisibleDocument(); | |
| 3643 IDocument master= manager.getMasterDocument(slave); | |
| 3644 if (master !is null) { | |
| 3645 setVisibleDocument(master); | |
| 3646 manager.freeSlaveDocument(slave); | |
| 3647 } | |
| 3648 } | |
| 3649 } | |
| 3650 | |
| 3651 | |
| 3652 //-------------------------------------- | |
| 3653 | |
| 3654 /* | |
| 3655 * @see ITextViewer#setTextDoubleClickStrategy(ITextDoubleClickStrategy, String) | |
| 3656 */ | |
| 3657 public void setTextDoubleClickStrategy(ITextDoubleClickStrategy strategy, String contentType) { | |
| 3658 | |
| 3659 if (strategy !is null) { | |
| 3660 if (fDoubleClickStrategies is null) | |
| 3661 fDoubleClickStrategies= new HashMap(); | |
| 162 | 3662 fDoubleClickStrategies.put(stringcast(contentType), cast(Object)strategy); |
| 129 | 3663 } else if (fDoubleClickStrategies !is null) |
| 3664 fDoubleClickStrategies.remove(contentType); | |
| 3665 } | |
| 3666 | |
| 3667 /** | |
| 3668 * Selects from the given map the one which is registered under | |
| 3669 * the content type of the partition in which the given offset is located. | |
| 3670 * | |
| 3671 * @param plugins the map from which to choose | |
| 3672 * @param offset the offset for which to find the plug-in | |
| 3673 * @return the plug-in registered under the offset's content type | |
| 3674 */ | |
| 3675 protected Object selectContentTypePlugin(int offset, Map plugins) { | |
| 3676 try { | |
| 3677 return selectContentTypePlugin(TextUtilities.getContentType(getDocument(), getDocumentPartitioning(), offset, true), plugins); | |
| 3678 } catch (BadLocationException x) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3679 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3680 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.selectContentTypePlugin")); //$NON-NLS-1$ |
| 129 | 3681 } |
| 3682 return null; | |
| 3683 } | |
| 3684 | |
| 3685 /** | |
| 3686 * Selects from the given <code>plug-ins</code> this one which is | |
| 3687 * registered for the given content <code>type</code>. | |
| 3688 * | |
| 3689 * @param type the type to be used as lookup key | |
| 3690 * @param plugins the table to be searched | |
| 3691 * @return the plug-in in the map for the given content type | |
| 3692 */ | |
| 3693 private Object selectContentTypePlugin(String type, Map plugins) { | |
| 3694 | |
| 3695 if (plugins is null) | |
| 3696 return null; | |
| 3697 | |
| 3698 return plugins.get(type); | |
| 3699 } | |
| 3700 | |
| 3701 /** | |
| 3702 * Hook called on receipt of a <code>VerifyEvent</code>. The event has | |
| 3703 * been translated into a <code>DocumentCommand</code> which can now be | |
| 3704 * manipulated by interested parties. By default, the hook forwards the command | |
| 3705 * to the installed instances of <code>IAutoEditStrategy</code>. | |
| 3706 * | |
| 3707 * @param command the document command representing the verify event | |
| 3708 */ | |
| 3709 protected void customizeDocumentCommand(DocumentCommand command) { | |
| 3710 if (isIgnoringAutoEditStrategies()) | |
| 3711 return; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3712 |
| 129 | 3713 IDocument document= getDocument(); |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3714 |
| 129 | 3715 if (fTabsToSpacesConverter !is null) |
| 3716 fTabsToSpacesConverter.customizeDocumentCommand(document, command); | |
| 3717 | |
| 134 | 3718 List strategies= cast(List) selectContentTypePlugin(command.offset, fAutoIndentStrategies); |
| 129 | 3719 if (strategies is null) |
| 3720 return; | |
| 3721 | |
| 3722 switch (strategies.size()) { | |
| 3723 // optimization | |
| 3724 case 0: | |
| 3725 break; | |
| 3726 | |
| 3727 case 1: | |
| 134 | 3728 (cast(IAutoEditStrategy) strategies.iterator().next()).customizeDocumentCommand(document, command); |
| 129 | 3729 break; |
| 3730 | |
| 3731 // make iterator robust against adding/removing strategies from within strategies | |
| 3732 default: | |
| 3733 strategies= new ArrayList(strategies); | |
| 3734 for (final Iterator iterator= strategies.iterator(); iterator.hasNext(); ) | |
| 134 | 3735 (cast(IAutoEditStrategy) iterator.next()).customizeDocumentCommand(document, command); |
| 129 | 3736 |
| 3737 break; | |
| 3738 } | |
| 3739 } | |
| 3740 | |
| 3741 /** | |
| 3742 * Handles the verify event issued by the viewer's text widget. | |
| 3743 * | |
| 3744 * @see VerifyListener#verifyText(VerifyEvent) | |
| 3745 * @param e the verify event | |
| 3746 */ | |
| 3747 protected void handleVerifyEvent(VerifyEvent e) { | |
| 3748 | |
| 3749 if (fEventConsumer !is null) { | |
| 3750 fEventConsumer.processEvent(e); | |
| 3751 if (!e.doit) | |
| 3752 return; | |
| 3753 } | |
| 3754 | |
| 3755 IRegion modelRange= event2ModelRange(e); | |
| 3756 fDocumentCommand.setEvent(e, modelRange); | |
| 3757 customizeDocumentCommand(fDocumentCommand); | |
| 3758 if (!fDocumentCommand.fillEvent(e, modelRange)) { | |
| 3759 | |
| 3760 bool compoundChange= fDocumentCommand.getCommandCount() > 1; | |
| 3761 try { | |
| 3762 | |
| 3763 fVerifyListener.forward(false); | |
| 3764 | |
| 3765 if (compoundChange && fUndoManager !is null) | |
| 3766 fUndoManager.beginCompoundChange(); | |
| 3767 | |
| 3768 fDocumentCommand.execute(getDocument()); | |
| 3769 | |
| 3770 if (fTextWidget !is null) { | |
| 3771 int documentCaret= fDocumentCommand.caretOffset; | |
| 3772 if (documentCaret is -1) { | |
| 3773 // old behavior of document command | |
| 3774 documentCaret= fDocumentCommand.offset + (fDocumentCommand.text is null ? 0 : fDocumentCommand.text.length()); | |
| 3775 } | |
| 3776 | |
| 3777 int widgetCaret= modelOffset2WidgetOffset(documentCaret); | |
| 3778 if (widgetCaret is -1) { | |
| 3779 // try to move it to the closest spot | |
| 3780 IRegion region= getModelCoverage(); | |
| 3781 if (region !is null) { | |
| 3782 if (documentCaret <= region.getOffset()) | |
| 3783 widgetCaret= 0; | |
| 3784 else if (documentCaret >= region.getOffset() + region.getLength()) | |
| 3785 widgetCaret= getVisibleRegion().getLength(); | |
| 3786 } | |
| 3787 } | |
| 3788 | |
| 3789 if (widgetCaret !is -1) { | |
| 3790 // there is a valid widget caret | |
| 3791 fTextWidget.setCaretOffset(widgetCaret); | |
| 3792 } | |
| 3793 | |
| 3794 fTextWidget.showSelection(); | |
| 3795 } | |
| 3796 } catch (BadLocationException x) { | |
| 3797 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3798 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3799 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.verifyText")); //$NON-NLS-1$ |
| 129 | 3800 |
| 3801 } finally { | |
| 3802 | |
| 3803 if (compoundChange && fUndoManager !is null) | |
| 3804 fUndoManager.endCompoundChange(); | |
| 3805 | |
| 3806 fVerifyListener.forward(true); | |
| 3807 | |
| 3808 } | |
| 3809 } | |
| 3810 } | |
| 3811 | |
| 3812 //---- text manipulation | |
| 3813 | |
| 3814 /** | |
| 3815 * Returns whether the marked region of this viewer is empty. | |
| 3816 * | |
| 3817 * @return <code>true</code> if the marked region of this viewer is empty, otherwise <code>false</code> | |
| 3818 * @since 2.0 | |
| 3819 */ | |
| 3820 private bool isMarkedRegionEmpty() { | |
| 3821 return | |
| 3822 fTextWidget is null || | |
| 3823 fMarkPosition is null || | |
| 3824 fMarkPosition.isDeleted() || | |
| 3825 modelRange2WidgetRange(fMarkPosition) is null; | |
| 3826 } | |
| 3827 | |
| 3828 /* | |
| 3829 * @see ITextViewer#canDoOperation(int) | |
| 3830 */ | |
| 3831 public bool canDoOperation(int operation) { | |
| 3832 | |
| 3833 if (fTextWidget is null || !redraws()) | |
| 3834 return false; | |
| 3835 | |
| 3836 switch (operation) { | |
| 3837 case CUT: | |
| 3838 return isEditable() &&(fTextWidget.getSelectionCount() > 0 || !isMarkedRegionEmpty()); | |
| 3839 case COPY: | |
| 3840 return fTextWidget.getSelectionCount() > 0 || !isMarkedRegionEmpty(); | |
| 3841 case DELETE: | |
| 3842 case PASTE: | |
| 3843 return isEditable(); | |
| 3844 case SELECT_ALL: | |
| 3845 return true; | |
| 3846 case SHIFT_LEFT: | |
| 3847 case SHIFT_RIGHT: | |
| 3848 return isEditable() && fIndentChars !is null && areMultipleLinesSelected(); | |
| 3849 case PREFIX: | |
| 3850 case STRIP_PREFIX: | |
| 3851 return isEditable() && fDefaultPrefixChars !is null; | |
| 3852 case UNDO: | |
| 3853 return fUndoManager !is null && fUndoManager.undoable(); | |
| 3854 case REDO: | |
| 3855 return fUndoManager !is null && fUndoManager.redoable(); | |
| 3856 case PRINT: | |
| 3857 return isPrintable(); | |
| 3858 } | |
| 3859 | |
| 3860 return false; | |
| 3861 } | |
| 3862 | |
| 3863 /* | |
| 3864 * @see ITextViewer#doOperation(int) | |
| 3865 */ | |
| 3866 public void doOperation(int operation) { | |
| 3867 | |
| 3868 if (fTextWidget is null || !redraws()) | |
| 3869 return; | |
| 3870 | |
| 3871 Point selection= null; | |
| 3872 | |
| 3873 switch (operation) { | |
| 3874 | |
| 3875 case UNDO: | |
| 3876 if (fUndoManager !is null) { | |
| 3877 ignoreAutoEditStrategies(true); | |
| 3878 fUndoManager.undo(); | |
| 3879 ignoreAutoEditStrategies(false); | |
| 3880 } | |
| 3881 break; | |
| 3882 case REDO: | |
| 3883 if (fUndoManager !is null) { | |
| 3884 ignoreAutoEditStrategies(true); | |
| 3885 fUndoManager.redo(); | |
| 3886 ignoreAutoEditStrategies(false); | |
| 3887 } | |
| 3888 break; | |
| 3889 case CUT: | |
| 3890 if (fTextWidget.getSelectionCount() is 0) | |
| 3891 copyMarkedRegion(true); | |
| 3892 else | |
| 3893 fTextWidget.cut(); | |
| 3894 | |
| 3895 selection= fTextWidget.getSelectionRange(); | |
| 3896 fireSelectionChanged(selection.x, selection.y); | |
| 3897 | |
| 3898 break; | |
| 3899 case COPY: | |
| 3900 if (fTextWidget.getSelectionCount() is 0) | |
| 3901 copyMarkedRegion(false); | |
| 3902 else | |
| 3903 fTextWidget.copy(); | |
| 3904 break; | |
| 3905 case PASTE: | |
| 3906 // ignoreAutoEditStrategies(true); | |
| 3907 fTextWidget.paste(); | |
| 3908 selection= fTextWidget.getSelectionRange(); | |
| 3909 fireSelectionChanged(selection.x, selection.y); | |
| 3910 // ignoreAutoEditStrategies(false); | |
| 3911 break; | |
| 3912 case DELETE: | |
| 3913 fTextWidget.invokeAction(ST.DELETE_NEXT); | |
| 3914 selection= fTextWidget.getSelectionRange(); | |
| 3915 fireSelectionChanged(selection.x, selection.y); | |
| 3916 break; | |
| 3917 case SELECT_ALL: { | |
| 3918 if (getDocument() !is null) | |
| 3919 setSelectedRange(0, getDocument().getLength()); | |
| 3920 break; | |
| 3921 } | |
| 3922 case SHIFT_RIGHT: | |
| 3923 shift(false, true, false); | |
| 3924 break; | |
| 3925 case SHIFT_LEFT: | |
| 3926 shift(false, false, false); | |
| 3927 break; | |
| 3928 case PREFIX: | |
| 3929 shift(true, true, true); | |
| 3930 break; | |
| 3931 case STRIP_PREFIX: | |
| 3932 shift(true, false, true); | |
| 3933 break; | |
| 3934 case PRINT: | |
| 3935 print(); | |
| 3936 break; | |
| 3937 } | |
| 3938 } | |
| 3939 | |
| 3940 /** | |
| 3941 * Tells this viewer whether the registered auto edit strategies should be ignored. | |
| 3942 * | |
| 3943 * @param ignore <code>true</code> if the strategies should be ignored. | |
| 3944 * @since 2.1 | |
| 3945 */ | |
| 3946 protected void ignoreAutoEditStrategies(bool ignore) { | |
| 3947 if (fIgnoreAutoIndent is ignore) | |
| 3948 return; | |
| 3949 | |
| 3950 fIgnoreAutoIndent= ignore; | |
| 3951 | |
| 3952 IDocument document= getDocument(); | |
| 138 | 3953 if ( cast(IDocumentExtension2)document ) { |
| 134 | 3954 IDocumentExtension2 extension= cast(IDocumentExtension2) document; |
| 129 | 3955 if (ignore) |
| 3956 extension.ignorePostNotificationReplaces(); | |
| 3957 else | |
| 3958 extension.acceptPostNotificationReplaces(); | |
| 3959 } | |
| 3960 } | |
| 162 | 3961 package void ignoreAutoEditStrategies_package(bool ignore) { |
| 3962 return ignoreAutoEditStrategies(ignore); | |
| 3963 } | |
| 129 | 3964 |
| 3965 /** | |
| 3966 * Returns whether this viewer ignores the registered auto edit strategies. | |
| 3967 * | |
| 3968 * @return <code>true</code> if the strategies are ignored | |
| 3969 * @since 2.1 | |
| 3970 */ | |
| 3971 protected bool isIgnoringAutoEditStrategies() { | |
| 3972 return fIgnoreAutoIndent; | |
| 3973 } | |
| 3974 | |
| 3975 /* | |
| 3976 * @see ITextOperationTargetExtension#enableOperation(int, bool) | |
| 3977 * @since 2.0 | |
| 3978 */ | |
| 3979 public void enableOperation(int operation, bool enable) { | |
| 3980 /* | |
| 3981 * NO-OP by default. | |
| 3982 * Will be changed to regularly disable the known operations. | |
| 3983 */ | |
| 3984 } | |
| 3985 | |
| 3986 /** | |
| 3987 * Copies/cuts the marked region. | |
| 3988 * | |
| 3989 * @param delete <code>true</code> if the region should be deleted rather than copied. | |
| 3990 * @since 2.0 | |
| 3991 */ | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
3992 protected void copyMarkedRegion(bool delete_) { |
| 129 | 3993 |
| 3994 if (fTextWidget is null) | |
| 3995 return; | |
| 3996 | |
| 3997 if (fMarkPosition is null || fMarkPosition.isDeleted() || modelRange2WidgetRange(fMarkPosition) is null) | |
| 3998 return; | |
| 3999 | |
| 4000 int widgetMarkOffset= modelOffset2WidgetOffset(fMarkPosition.offset); | |
| 4001 Point selection= fTextWidget.getSelection(); | |
| 4002 if (selection.x <= widgetMarkOffset) | |
| 4003 fTextWidget.setSelection(selection.x, widgetMarkOffset); | |
| 4004 else | |
| 4005 fTextWidget.setSelection(widgetMarkOffset, selection.x); | |
| 4006 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4007 if (delete_) { |
| 129 | 4008 fTextWidget.cut(); |
| 4009 } else { | |
| 4010 fTextWidget.copy(); | |
| 4011 fTextWidget.setSelection(selection.x); // restore old cursor position | |
| 4012 } | |
| 4013 } | |
| 4014 | |
| 4015 /** | |
| 4016 * Deletes the current selection. If the selection has the length 0 | |
| 4017 * the selection is automatically extended to the right - either by 1 | |
| 4018 * or by the length of line delimiter if at the end of a line. | |
| 4019 * | |
| 4020 * @deprecated use <code>StyledText.invokeAction</code> instead | |
| 4021 */ | |
| 4022 protected void deleteText() { | |
| 4023 fTextWidget.invokeAction(ST.DELETE_NEXT); | |
| 4024 } | |
| 4025 | |
| 4026 /** | |
| 4027 * A block is selected if the character preceding the start of the | |
| 4028 * selection is a new line character. | |
| 4029 * | |
| 4030 * @return <code>true</code> if a block is selected | |
| 4031 */ | |
| 4032 protected bool isBlockSelected() { | |
| 4033 | |
| 4034 Point s= getSelectedRange(); | |
| 4035 if (s.y is 0) | |
| 4036 return false; | |
| 4037 | |
| 4038 try { | |
| 4039 | |
| 4040 IDocument document= getDocument(); | |
| 4041 int line= document.getLineOfOffset(s.x); | |
| 4042 int start= document.getLineOffset(line); | |
| 4043 return (s.x is start); | |
| 4044 | |
| 4045 } catch (BadLocationException x) { | |
| 4046 } | |
| 4047 | |
| 4048 return false; | |
| 4049 } | |
| 4050 | |
| 4051 /** | |
| 4052 * Returns <code>true</code> if one line is completely selected or if multiple lines are selected. | |
| 4053 * Being completely selected means that all characters except the new line characters are | |
| 4054 * selected. | |
| 4055 * | |
| 4056 * @return <code>true</code> if one or multiple lines are selected | |
| 4057 * @since 2.0 | |
| 4058 */ | |
| 4059 protected bool areMultipleLinesSelected() { | |
| 4060 Point s= getSelectedRange(); | |
| 4061 if (s.y is 0) | |
| 4062 return false; | |
| 4063 | |
| 4064 try { | |
| 4065 | |
| 4066 IDocument document= getDocument(); | |
| 4067 int startLine= document.getLineOfOffset(s.x); | |
| 4068 int endLine= document.getLineOfOffset(s.x + s.y); | |
| 4069 IRegion line= document.getLineInformation(startLine); | |
| 4070 return startLine !is endLine || (s.x is line.getOffset() && s.y is line.getLength()); | |
| 4071 | |
| 4072 } catch (BadLocationException x) { | |
| 4073 } | |
| 4074 | |
| 4075 return false; | |
| 4076 } | |
| 4077 | |
| 4078 /** | |
| 4079 * Returns the index of the first line whose start offset is in the given text range. | |
| 4080 * | |
| 4081 * @param region the text range in characters where to find the line | |
| 4082 * @return the first line whose start index is in the given range, -1 if there is no such line | |
| 4083 */ | |
| 4084 private int getFirstCompleteLineOfRegion(IRegion region) { | |
| 4085 | |
| 4086 try { | |
| 4087 | |
| 4088 IDocument d= getDocument(); | |
| 4089 | |
| 4090 int startLine= d.getLineOfOffset(region.getOffset()); | |
| 4091 | |
| 4092 int offset= d.getLineOffset(startLine); | |
| 4093 if (offset >= region.getOffset()) | |
| 4094 return startLine; | |
| 4095 | |
| 4096 offset= d.getLineOffset(startLine + 1); | |
| 4097 return (offset > region.getOffset() + region.getLength() ? -1 : startLine + 1); | |
| 4098 | |
| 4099 } catch (BadLocationException x) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4100 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4101 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.getFirstCompleteLineOfRegion")); //$NON-NLS-1$ |
| 129 | 4102 } |
| 4103 | |
| 4104 return -1; | |
| 4105 } | |
| 4106 | |
| 4107 | |
| 4108 /** | |
| 4109 * Creates a region describing the text block (something that starts at | |
| 4110 * the beginning of a line) completely containing the current selection. | |
| 4111 * | |
| 4112 * @param selection the selection to use | |
| 4113 * @return the region describing the text block comprising the given selection | |
| 4114 * @since 2.0 | |
| 4115 */ | |
| 4116 private IRegion getTextBlockFromSelection(Point selection) { | |
| 4117 | |
| 4118 try { | |
| 4119 IDocument document= getDocument(); | |
| 4120 IRegion line= document.getLineInformationOfOffset(selection.x); | |
| 4121 int length= selection.y is 0 ? line.getLength() : selection.y + (selection.x - line.getOffset()); | |
| 4122 return new Region(line.getOffset(), length); | |
| 4123 | |
| 4124 } catch (BadLocationException x) { | |
| 4125 } | |
| 4126 | |
| 4127 return null; | |
| 4128 } | |
| 4129 | |
| 4130 /** | |
| 4131 * Shifts a text block to the right or left using the specified set of prefix characters. | |
| 4132 * The prefixes must start at the beginning of the line. | |
| 4133 * | |
| 4134 * @param useDefaultPrefixes says whether the configured default or indent prefixes should be used | |
| 4135 * @param right says whether to shift to the right or the left | |
| 4136 * | |
| 4137 * @deprecated use shift(bool, bool, bool) instead | |
| 4138 */ | |
| 4139 protected void shift(bool useDefaultPrefixes, bool right) { | |
| 4140 shift(useDefaultPrefixes, right, false); | |
| 4141 } | |
| 4142 | |
| 4143 /** | |
| 4144 * Shifts a text block to the right or left using the specified set of prefix characters. | |
| 4145 * If white space should be ignored the prefix characters must not be at the beginning of | |
| 4146 * the line when shifting to the left. There may be whitespace in front of the prefixes. | |
| 4147 * | |
| 4148 * @param useDefaultPrefixes says whether the configured default or indent prefixes should be used | |
| 4149 * @param right says whether to shift to the right or the left | |
| 4150 * @param ignoreWhitespace says whether whitespace in front of prefixes is allowed | |
| 4151 * @since 2.0 | |
| 4152 */ | |
| 4153 protected void shift(bool useDefaultPrefixes, bool right, bool ignoreWhitespace) { | |
| 4154 if (fUndoManager !is null) | |
| 4155 fUndoManager.beginCompoundChange(); | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4156 |
| 129 | 4157 IDocument d= getDocument(); |
| 4158 Map partitioners= null; | |
| 4159 DocumentRewriteSession rewriteSession= null; | |
| 4160 try { | |
| 4161 Point selection= getSelectedRange(); | |
| 4162 IRegion block= getTextBlockFromSelection(selection); | |
| 4163 ITypedRegion[] regions= TextUtilities.computePartitioning(d, getDocumentPartitioning(), block.getOffset(), block.getLength(), false); | |
| 4164 | |
| 4165 int lineCount= 0; | |
| 4166 int[] lines= new int[regions.length * 2]; // [start line, end line, start line, end line, ...] | |
| 4167 for (int i= 0, j= 0; i < regions.length; i++, j+= 2) { | |
| 4168 // start line of region | |
| 4169 lines[j]= getFirstCompleteLineOfRegion(regions[i]); | |
| 4170 // end line of region | |
| 4171 int length= regions[i].getLength(); | |
| 4172 int offset= regions[i].getOffset() + length; | |
| 4173 if (length > 0) | |
| 4174 offset--; | |
| 4175 lines[j + 1]= (lines[j] is -1 ? -1 : d.getLineOfOffset(offset)); | |
| 4176 lineCount += lines[j + 1] - lines[j] + 1; | |
| 4177 } | |
| 4178 | |
| 138 | 4179 if ( cast(IDocumentExtension4)d ) { |
| 134 | 4180 IDocumentExtension4 extension= cast(IDocumentExtension4) d; |
| 129 | 4181 rewriteSession= extension.startRewriteSession(DocumentRewriteSessionType.SEQUENTIAL); |
| 4182 } else { | |
| 4183 setRedraw(false); | |
| 4184 startSequentialRewriteMode(true); | |
| 4185 } | |
| 4186 if (lineCount >= 20) | |
| 4187 partitioners= TextUtilities.removeDocumentPartitioners(d); | |
| 4188 | |
| 4189 // Perform the shift operation. | |
| 4190 Map map= (useDefaultPrefixes ? fDefaultPrefixChars : fIndentChars); | |
| 4191 for (int i= 0, j= 0; i < regions.length; i++, j += 2) { | |
| 156 | 4192 String[] prefixes= stringArrayFromObject(selectContentTypePlugin(regions[i].getType(), map)); |
| 129 | 4193 if (prefixes !is null && prefixes.length > 0 && lines[j] >= 0 && lines[j + 1] >= 0) { |
| 4194 if (right) | |
| 4195 shiftRight(lines[j], lines[j + 1], prefixes[0]); | |
| 4196 else | |
| 4197 shiftLeft(lines[j], lines[j + 1], prefixes, ignoreWhitespace); | |
| 4198 } | |
| 4199 } | |
| 4200 | |
| 4201 } catch (BadLocationException x) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4202 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4203 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.shift_1")); //$NON-NLS-1$ |
| 129 | 4204 |
| 4205 } finally { | |
| 4206 | |
| 4207 if (partitioners !is null) | |
| 4208 TextUtilities.addDocumentPartitioners(d, partitioners); | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4209 |
| 138 | 4210 if ( cast(IDocumentExtension4)d ) { |
| 134 | 4211 IDocumentExtension4 extension= cast(IDocumentExtension4) d; |
| 129 | 4212 extension.stopRewriteSession(rewriteSession); |
| 4213 } else { | |
| 4214 stopSequentialRewriteMode(); | |
| 4215 setRedraw(true); | |
| 4216 } | |
| 4217 | |
| 4218 if (fUndoManager !is null) | |
| 4219 fUndoManager.endCompoundChange(); | |
| 4220 } | |
| 4221 } | |
| 4222 | |
| 4223 /** | |
| 4224 * Shifts the specified lines to the right inserting the given prefix | |
| 4225 * at the beginning of each line | |
| 4226 * | |
| 4227 * @param prefix the prefix to be inserted | |
| 4228 * @param startLine the first line to shift | |
| 4229 * @param endLine the last line to shift | |
| 4230 * @since 2.0 | |
| 4231 */ | |
| 4232 private void shiftRight(int startLine, int endLine, String prefix) { | |
| 4233 | |
| 4234 try { | |
| 4235 | |
| 4236 IDocument d= getDocument(); | |
| 4237 while (startLine <= endLine) { | |
| 4238 d.replace(d.getLineOffset(startLine++), 0, prefix); | |
| 4239 } | |
| 4240 | |
| 4241 } catch (BadLocationException x) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4242 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4243 System.out_.println("TextViewer.shiftRight: BadLocationException"); //$NON-NLS-1$ |
| 129 | 4244 } |
| 4245 } | |
| 4246 | |
| 4247 /** | |
| 4248 * Shifts the specified lines to the right or to the left. On shifting to the right | |
| 4249 * it insert <code>prefixes[0]</code> at the beginning of each line. On shifting to the | |
| 4250 * left it tests whether each of the specified lines starts with one of the specified | |
| 4251 * prefixes and if so, removes the prefix. | |
| 4252 * | |
| 4253 * @param startLine the first line to shift | |
| 4254 * @param endLine the last line to shift | |
| 4255 * @param prefixes the prefixes to be used for shifting | |
| 4256 * @param ignoreWhitespace <code>true</code> if whitespace should be ignored, <code>false</code> otherwise | |
| 4257 * @since 2.0 | |
| 4258 */ | |
| 4259 private void shiftLeft(int startLine, int endLine, String[] prefixes, bool ignoreWhitespace) { | |
| 4260 | |
| 4261 IDocument d= getDocument(); | |
| 4262 | |
| 4263 try { | |
| 4264 | |
| 4265 IRegion[] occurrences= new IRegion[endLine - startLine + 1]; | |
| 4266 | |
| 4267 // find all the first occurrences of prefix in the given lines | |
| 4268 for (int i= 0; i < occurrences.length; i++) { | |
| 4269 | |
| 4270 IRegion line= d.getLineInformation(startLine + i); | |
| 4271 String text= d.get(line.getOffset(), line.getLength()); | |
| 4272 | |
| 4273 int index= -1; | |
| 4274 int[] found= TextUtilities.indexOf(prefixes, text, 0); | |
| 4275 if (found[0] !is -1) { | |
| 4276 if (ignoreWhitespace) { | |
| 4277 String s= d.get(line.getOffset(), found[0]); | |
| 4278 s= s.trim(); | |
| 4279 if (s.length() is 0) | |
| 4280 index= line.getOffset() + found[0]; | |
| 4281 } else if (found[0] is 0) | |
| 4282 index= line.getOffset(); | |
| 4283 } | |
| 4284 | |
| 4285 if (index > -1) { | |
| 4286 // remember where prefix is in line, so that it can be removed | |
| 4287 int length= prefixes[found[1]].length(); | |
| 4288 if (length is 0 && !ignoreWhitespace && line.getLength() > 0) { | |
| 4289 // found a non-empty line which cannot be shifted | |
| 4290 return; | |
| 4291 } | |
| 4292 occurrences[i]= new Region(index, length); | |
| 4293 } else { | |
| 4294 // found a line which cannot be shifted | |
| 4295 return; | |
| 4296 } | |
| 4297 } | |
| 4298 | |
| 4299 // OK - change the document | |
| 4300 int decrement= 0; | |
| 4301 for (int i= 0; i < occurrences.length; i++) { | |
| 4302 IRegion r= occurrences[i]; | |
| 4303 d.replace(r.getOffset() - decrement, r.getLength(), ""); //$NON-NLS-1$ | |
| 4304 decrement += r.getLength(); | |
| 4305 } | |
| 4306 | |
| 4307 } catch (BadLocationException x) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4308 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4309 System.out_.println("TextViewer.shiftLeft: BadLocationException"); //$NON-NLS-1$ |
| 129 | 4310 } |
| 4311 } | |
| 4312 | |
| 4313 /** | |
| 4314 * Returns whether the shown text can be printed. | |
| 4315 * | |
| 4316 * @return the viewer's printable mode | |
| 4317 */ | |
| 4318 protected bool isPrintable() { | |
| 4319 /* | |
| 4320 * 1GK7Q10: ITPUI:WIN98 - internal error after invoking print at editor view | |
| 4321 * Changed from returning true to testing the length of the printer queue | |
| 4322 */ | |
| 4323 PrinterData[] printerList= Printer.getPrinterList(); | |
| 4324 return (printerList !is null && printerList.length > 0); | |
| 4325 } | |
| 4326 | |
| 4327 /** | |
| 4328 * {@inheritDoc} | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4329 * |
| 129 | 4330 * @since 3.4 |
| 4331 */ | |
| 4332 public void print(StyledTextPrintOptions options) { | |
| 4333 final PrintDialog dialog= new PrintDialog(fTextWidget.getShell(), DWT.PRIMARY_MODAL); | |
| 4334 final PrinterData data= dialog.open(); | |
| 4335 | |
| 4336 if (data !is null) { | |
| 4337 final Printer printer= new Printer(data); | |
| 4338 final Runnable styledTextPrinter= fTextWidget.print(printer, options); | |
| 4339 | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4340 void threadrun() { |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4341 styledTextPrinter.run(); |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4342 printer.dispose(); |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4343 } |
| 172 | 4344 JThread printingThread= new JThread( &threadrun ); |
| 4345 printingThread.setName( "Printing" ); //$NON-NLS-1$ | |
| 129 | 4346 printingThread.start(); |
| 4347 } | |
| 4348 } | |
| 4349 | |
| 4350 /** | |
| 4351 * Brings up a print dialog and calls <code>printContents(Printer)</code> | |
| 4352 * which performs the actual print. | |
| 4353 */ | |
| 4354 protected void print() { | |
| 4355 StyledTextPrintOptions options= new StyledTextPrintOptions(); | |
| 4356 options.printTextFontStyle= true; | |
| 4357 options.printTextForeground= true; | |
| 4358 print(options); | |
| 4359 } | |
| 4360 | |
| 4361 //------ find support | |
| 4362 | |
| 4363 /** | |
| 4364 * Adheres to the contract of {@link IFindReplaceTarget#canPerformFind()}. | |
| 4365 * | |
| 4366 * @return <code>true</code> if find can be performed, <code>false</code> otherwise | |
| 4367 */ | |
| 4368 protected bool canPerformFind() { | |
| 4369 IDocument d= getVisibleDocument(); | |
| 4370 return (fTextWidget !is null && d !is null && d.getLength() > 0); | |
| 4371 } | |
| 4372 | |
| 4373 /** | |
| 4374 * Adheres to the contract of {@link IFindReplaceTarget#findAndSelect(int, String, bool, bool, bool)}. | |
| 4375 * | |
| 4376 * @param startPosition the start position | |
| 4377 * @param findString the find string specification | |
| 4378 * @param forwardSearch the search direction | |
| 4379 * @param caseSensitive <code>true</code> if case sensitive, <code>false</code> otherwise | |
| 4380 * @param wholeWord <code>true</code> if match must be whole words, <code>false</code> otherwise | |
| 4381 * @return the model offset of the first match | |
| 4382 * @deprecated as of 3.0 use {@link #findAndSelect(int, String, bool, bool, bool, bool)} | |
| 4383 */ | |
| 4384 protected int findAndSelect(int startPosition, String findString, bool forwardSearch, bool caseSensitive, bool wholeWord) { | |
| 4385 try { | |
| 4386 return findAndSelect(startPosition, findString, forwardSearch, caseSensitive, wholeWord, false); | |
| 4387 } catch (IllegalStateException ex) { | |
| 4388 return -1; | |
| 4389 } catch (PatternSyntaxException ex) { | |
| 4390 return -1; | |
| 4391 } | |
| 4392 } | |
| 4393 | |
| 4394 /** | |
| 4395 * Adheres to the contract of | |
| 4396 * {@link dwtx.jface.text.IFindReplaceTargetExtension3#findAndSelect(int, String, bool, bool, bool, bool)}. | |
| 4397 * | |
| 4398 * @param startPosition the start position | |
| 4399 * @param findString the find string specification | |
| 4400 * @param forwardSearch the search direction | |
| 4401 * @param caseSensitive <code>true</code> if case sensitive, <code>false</code> otherwise | |
| 4402 * @param wholeWord <code>true</code> if matches must be whole words, <code>false</code> otherwise | |
| 4403 * @param regExSearch <code>true</code> if <code>findString</code> is a regular expression, <code>false</code> otherwise | |
| 4404 * @return the model offset of the first match | |
| 4405 * | |
| 4406 */ | |
| 4407 protected int findAndSelect(int startPosition, String findString, bool forwardSearch, bool caseSensitive, bool wholeWord, bool regExSearch) { | |
| 4408 if (fTextWidget is null) | |
| 4409 return -1; | |
| 4410 | |
| 4411 try { | |
| 4412 | |
| 4413 int widgetOffset= (startPosition is -1 ? startPosition : modelOffset2WidgetOffset(startPosition)); | |
| 4414 FindReplaceDocumentAdapter adapter= getFindReplaceDocumentAdapter(); | |
| 4415 IRegion matchRegion= adapter.find(widgetOffset, findString, forwardSearch, caseSensitive, wholeWord, regExSearch); | |
| 4416 if (matchRegion !is null) { | |
| 4417 int widgetPos= matchRegion.getOffset(); | |
| 4418 int length= matchRegion.getLength(); | |
| 4419 | |
| 4420 // Prevents setting of widget selection with line delimiters at beginning or end | |
| 4421 char startChar= adapter.charAt(widgetPos); | |
| 4422 char endChar= adapter.charAt(widgetPos+length-1); | |
| 4423 bool borderHasLineDelimiter= startChar is '\n' || startChar is '\r' || endChar is '\n' || endChar is '\r'; | |
| 162 | 4424 bool redraws_= redraws(); |
| 4425 if (borderHasLineDelimiter && redraws_) | |
| 129 | 4426 setRedraw(false); |
| 4427 | |
| 4428 if (redraws()) { | |
| 4429 fTextWidget.setSelectionRange(widgetPos, length); | |
| 4430 internalRevealRange(widgetPos, widgetPos + length); | |
| 4431 selectionChanged(widgetPos, length); | |
| 4432 } else { | |
| 4433 setSelectedRange(widgetOffset2ModelOffset(widgetPos), length); | |
| 162 | 4434 if (redraws_) |
| 129 | 4435 setRedraw(true); |
| 4436 } | |
| 4437 | |
| 4438 return widgetOffset2ModelOffset(widgetPos); | |
| 4439 } | |
| 4440 | |
| 4441 } catch (BadLocationException x) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4442 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4443 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.findAndSelect")); //$NON-NLS-1$ |
| 129 | 4444 } |
| 4445 | |
| 4446 return -1; | |
| 4447 } | |
| 4448 | |
| 4449 /** | |
| 4450 * Adheres to the contract of {@link dwtx.jface.text.IFindReplaceTargetExtension3#findAndSelect(int, String, bool, bool, bool, bool)}. | |
| 4451 * | |
| 4452 * @param startPosition the start position | |
| 4453 * @param findString the find string specification | |
| 4454 * @param forwardSearch the search direction | |
| 4455 * @param caseSensitive <code>true</code> if case sensitive, <code>false</code> otherwise | |
| 4456 * @param wholeWord <code>true</code> if matches must be whole words, <code>false</code> otherwise | |
| 4457 * @param rangeOffset the search scope offset | |
| 4458 * @param rangeLength the search scope length | |
| 4459 * @param regExSearch <code>true</code> if <code>findString</code> is a regular expression, <code>false</code> otherwise | |
| 4460 * @return the model offset of the first match | |
| 4461 * @since 3.0 | |
| 4462 */ | |
| 4463 protected int findAndSelectInRange(int startPosition, String findString, bool forwardSearch, bool caseSensitive, bool wholeWord, int rangeOffset, int rangeLength, bool regExSearch) { | |
| 4464 if (fTextWidget is null) | |
| 4465 return -1; | |
| 4466 | |
| 4467 try { | |
| 4468 | |
| 4469 int modelOffset; | |
| 4470 if (forwardSearch && (startPosition is -1 || startPosition < rangeOffset)) { | |
| 4471 modelOffset= rangeOffset; | |
| 4472 } else if (!forwardSearch && (startPosition is -1 || startPosition > rangeOffset + rangeLength)) { | |
| 4473 modelOffset= rangeOffset + rangeLength; | |
| 4474 } else { | |
| 4475 modelOffset= startPosition; | |
| 4476 } | |
| 4477 | |
| 4478 int widgetOffset= modelOffset2WidgetOffset(modelOffset); | |
| 4479 if (widgetOffset is -1) | |
| 4480 return -1; | |
| 4481 | |
| 4482 FindReplaceDocumentAdapter adapter= getFindReplaceDocumentAdapter(); | |
| 4483 IRegion matchRegion= adapter.find(widgetOffset, findString, forwardSearch, caseSensitive, wholeWord, regExSearch); | |
| 4484 int widgetPos= -1; | |
| 4485 int length= 0; | |
| 4486 if (matchRegion !is null) { | |
| 4487 widgetPos= matchRegion.getOffset(); | |
| 4488 length= matchRegion.getLength(); | |
| 4489 } | |
| 4490 int modelPos= widgetPos is -1 ? -1 : widgetOffset2ModelOffset(widgetPos); | |
| 4491 | |
| 4492 if (widgetPos !is -1 && (modelPos < rangeOffset || modelPos + length > rangeOffset + rangeLength)) | |
| 4493 widgetPos= -1; | |
| 4494 | |
| 4495 if (widgetPos > -1) { | |
| 4496 | |
| 4497 // Prevents setting of widget selection with line delimiters at beginning or end | |
| 4498 char startChar= adapter.charAt(widgetPos); | |
| 4499 char endChar= adapter.charAt(widgetPos+length-1); | |
| 4500 bool borderHasLineDelimiter= startChar is '\n' || startChar is '\r' || endChar is '\n' || endChar is '\r'; | |
| 162 | 4501 bool redraws_= redraws(); |
| 4502 if (borderHasLineDelimiter && redraws_) | |
| 129 | 4503 setRedraw(false); |
| 4504 | |
| 4505 if (redraws()) { | |
| 4506 fTextWidget.setSelectionRange(widgetPos, length); | |
| 4507 internalRevealRange(widgetPos, widgetPos + length); | |
| 4508 selectionChanged(widgetPos, length); | |
| 4509 } else { | |
| 4510 setSelectedRange(modelPos, length); | |
| 162 | 4511 if (redraws_) |
| 129 | 4512 setRedraw(true); |
| 4513 } | |
| 4514 | |
| 4515 return modelPos; | |
| 4516 } | |
| 4517 | |
| 4518 | |
| 4519 } catch (BadLocationException x) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4520 if (TRACE_ERRORS) |
|
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4521 System.out_.println(JFaceTextMessages.getString("TextViewer.error.bad_location.findAndSelect")); //$NON-NLS-1$ |
| 129 | 4522 } |
| 4523 | |
| 4524 return -1; | |
| 4525 } | |
| 4526 | |
| 4527 //---------- text presentation support | |
| 4528 | |
| 4529 /* | |
| 4530 * @see ITextViewer#setTextColor(Color) | |
| 4531 */ | |
| 4532 public void setTextColor(Color color) { | |
| 4533 if (color !is null) | |
| 4534 setTextColor(color, 0, getDocument().getLength(), true); | |
| 4535 } | |
| 4536 | |
| 4537 /* | |
| 4538 * @see ITextViewer#setTextColor(Color, start, length, bool) | |
| 4539 */ | |
| 4540 public void setTextColor(Color color, int start, int length, bool controlRedraw) { | |
| 4541 if (fTextWidget !is null) { | |
| 4542 | |
| 4543 StyleRange s= new StyleRange(); | |
| 4544 s.foreground= color; | |
| 4545 s.start= start; | |
| 4546 s.length= length; | |
| 4547 | |
| 4548 s= modelStyleRange2WidgetStyleRange(s); | |
| 4549 if (s !is null) { | |
| 4550 if (controlRedraw) | |
| 4551 fTextWidget.setRedraw(false); | |
| 4552 try { | |
| 4553 fTextWidget.setStyleRange(s); | |
| 4554 } finally { | |
| 4555 if (controlRedraw) | |
| 4556 fTextWidget.setRedraw(true); | |
| 4557 } | |
| 4558 } | |
| 4559 } | |
| 4560 } | |
| 4561 | |
| 4562 /** | |
| 4563 * Adds the given presentation to the viewer's style information. | |
| 4564 * | |
| 4565 * @param presentation the presentation to be added | |
| 4566 */ | |
| 4567 private void addPresentation(TextPresentation presentation) { | |
| 4568 | |
| 4569 StyleRange range= presentation.getDefaultStyleRange(); | |
| 4570 if (range !is null) { | |
| 4571 | |
| 4572 range= modelStyleRange2WidgetStyleRange(range); | |
| 4573 if (range !is null) | |
| 4574 fTextWidget.setStyleRange(range); | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4575 |
| 129 | 4576 ArrayList ranges= new ArrayList(presentation.getDenumerableRanges()); |
| 4577 Iterator e= presentation.getNonDefaultStyleRangeIterator(); | |
| 4578 while (e.hasNext()) { | |
| 134 | 4579 range= cast(StyleRange) e.next(); |
| 129 | 4580 range= modelStyleRange2WidgetStyleRange(range); |
| 4581 if (range !is null) | |
| 4582 ranges.add(range); | |
| 4583 } | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4584 |
| 129 | 4585 if (!ranges.isEmpty()) |
| 156 | 4586 fTextWidget.replaceStyleRanges(0, 0, arraycast!(StyleRange)(ranges.toArray())); |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
4587 |
| 129 | 4588 } else { |
| 4589 IRegion region= modelRange2WidgetRange(presentation.getCoverage()); | |
| 4590 if (region is null) | |
| 4591 return; | |
| 4592 | |
| 4593 List list= new ArrayList(presentation.getDenumerableRanges()); | |
| 4594 Iterator e= presentation.getAllStyleRangeIterator(); | |
| 4595 while (e.hasNext()) { | |
| 134 | 4596 range= cast(StyleRange) e.next(); |
| 129 | 4597 range= modelStyleRange2WidgetStyleRange(range); |
| 4598 if (range !is null) | |
| 4599 list.add(range); | |
| 4600 } | |
| 4601 | |
| 4602 if (!list.isEmpty()) { | |
| 4603 StyleRange[] ranges= new StyleRange[list.size()]; | |
| 4604 list.toArray(ranges); | |
| 4605 fTextWidget.replaceStyleRanges(region.getOffset(), region.getLength(), ranges); | |
| 4606 } | |
| 4607 } | |
| 4608 } | |
| 4609 | |
| 4610 /** | |
| 4611 * Applies the given presentation to the given text widget. Helper method. | |
| 4612 * | |
| 4613 * @param presentation the style information | |
| 4614 * @since 2.1 | |
| 4615 */ | |
| 4616 private void applyTextPresentation(TextPresentation presentation) { | |
| 4617 | |
| 4618 List list= new ArrayList(presentation.getDenumerableRanges()); | |
| 4619 Iterator e= presentation.getAllStyleRangeIterator(); | |
| 4620 while (e.hasNext()) { | |
| 134 | 4621 StyleRange range= cast(StyleRange) e.next(); |
| 129 | 4622 range= modelStyleRange2WidgetStyleRange(range); |
| 4623 if (range !is null) | |
| 4624 list.add(range); | |
| 4625 } | |
| 4626 | |
| 4627 if (!list.isEmpty()) { | |
| 4628 StyleRange[] ranges= new StyleRange[list.size()]; | |
| 4629 list.toArray(ranges); | |
| 4630 fTextWidget.setStyleRanges(ranges); | |
| 4631 } | |
| 4632 } | |
| 4633 | |
| 4634 /** | |
| 4635 * Returns the visible region if it is not equal to the whole document. | |
| 4636 * Otherwise returns <code>null</code>. | |
| 4637 * | |
| 4638 * @return the viewer's visible region if smaller than input document, otherwise <code>null</code> | |
| 4639 */ | |
| 4640 protected IRegion _internalGetVisibleRegion() { | |
| 4641 | |
| 4642 IDocument document= getVisibleDocument(); | |
| 138 | 4643 if ( cast(ChildDocument)document ) { |
| 134 | 4644 Position p= (cast(ChildDocument) document).getParentDocumentRange(); |
| 129 | 4645 return new Region(p.getOffset(), p.getLength()); |
| 4646 } | |
| 4647 | |
| 4648 return null; | |
| 4649 } | |
| 4650 | |
| 4651 /* | |
| 4652 * @see ITextViewer#changeTextPresentation(TextPresentation, bool) | |
| 4653 */ | |
| 4654 public void changeTextPresentation(TextPresentation presentation, bool controlRedraw) { | |
| 4655 | |
| 4656 if (presentation is null || !redraws()) | |
| 4657 return; | |
| 4658 | |
| 4659 if (fTextWidget is null) | |
| 4660 return; | |
| 4661 | |
| 4662 | |
| 4663 /* | |
| 4664 * Call registered text presentation listeners | |
| 4665 * and let them apply their presentation. | |
| 4666 */ | |
| 4667 if (fTextPresentationListeners !is null) { | |
| 4668 ArrayList listeners= new ArrayList(fTextPresentationListeners); | |
| 4669 for (int i= 0, size= listeners.size(); i < size; i++) { | |
| 134 | 4670 ITextPresentationListener listener= cast(ITextPresentationListener)listeners.get(i); |
| 129 | 4671 listener.applyTextPresentation(presentation); |
| 4672 } | |
| 4673 } | |
| 4674 | |
| 4675 if (presentation.isEmpty()) | |
| 4676 return; | |
| 4677 | |
| 4678 if (controlRedraw) | |
| 4679 fTextWidget.setRedraw(false); | |
| 4680 | |
| 4681 if (fReplaceTextPresentation) | |
| 4682 applyTextPresentation(presentation); | |
| 4683 else | |
| 4684 addPresentation(presentation); | |
| 4685 | |
| 4686 if (controlRedraw) | |
| 4687 fTextWidget.setRedraw(true); | |
| 4688 } | |
| 4689 | |
| 4690 /* | |
| 4691 * @see ITextViewer#getFindReplaceTarget() | |
| 4692 */ | |
| 4693 public IFindReplaceTarget getFindReplaceTarget() { | |
| 4694 if (fFindReplaceTarget is null) | |
| 4695 fFindReplaceTarget= new FindReplaceTarget(); | |
| 4696 return fFindReplaceTarget; | |
| 4697 } | |
| 4698 | |
| 4699 /** | |
| 4700 * Returns the find/replace document adapter. | |
| 4701 * | |
| 4702 * @return the find/replace document adapter. | |
| 4703 * @since 3.0 | |
| 4704 */ | |
| 4705 protected FindReplaceDocumentAdapter getFindReplaceDocumentAdapter() { | |
| 4706 if (fFindReplaceDocumentAdapter is null) | |
| 4707 fFindReplaceDocumentAdapter= new FindReplaceDocumentAdapter(getVisibleDocument()); | |
| 4708 return fFindReplaceDocumentAdapter; | |
| 4709 } | |
| 4710 | |
| 4711 /* | |
| 4712 * @see ITextViewer#getTextOperationTarget() | |
| 4713 */ | |
| 4714 public ITextOperationTarget getTextOperationTarget() { | |
| 4715 return this; | |
| 4716 } | |
| 4717 | |
| 4718 /* | |
| 4719 * @see ITextViewerExtension#appendVerifyKeyListener(VerifyKeyListener) | |
| 4720 * @since 2.0 | |
| 4721 */ | |
| 4722 public void appendVerifyKeyListener(VerifyKeyListener listener) { | |
| 4723 int index= fVerifyKeyListenersManager.numberOfListeners(); | |
| 4724 fVerifyKeyListenersManager.insertListener(listener, index); | |
| 4725 } | |
| 4726 | |
| 4727 /* | |
| 4728 * @see ITextViewerExtension#prependVerifyKeyListener(VerifyKeyListener) | |
| 4729 * @since 2.0 | |
| 4730 */ | |
| 4731 public void prependVerifyKeyListener(VerifyKeyListener listener) { | |
| 4732 fVerifyKeyListenersManager.insertListener(listener, 0); | |
| 4733 | |
| 4734 } | |
| 4735 | |
| 4736 /* | |
| 4737 * @see ITextViewerExtension#removeVerifyKeyListener(VerifyKeyListener) | |
| 4738 * @since 2.0 | |
| 4739 */ | |
| 4740 public void removeVerifyKeyListener(VerifyKeyListener listener) { | |
| 4741 fVerifyKeyListenersManager.removeListener(listener); | |
| 4742 } | |
| 4743 | |
| 4744 /* | |
| 4745 * @see ITextViewerExtension#getMark() | |
| 4746 * @since 2.0 | |
| 4747 */ | |
| 4748 public int getMark() { | |
| 4749 return fMarkPosition is null || fMarkPosition.isDeleted() ? -1 : fMarkPosition.getOffset(); | |
| 4750 } | |
| 4751 | |
| 4752 /* | |
| 4753 * @see ITextViewerExtension#setMark(int) | |
| 4754 * @since 2.0 | |
| 4755 */ | |
| 4756 public void setMark(int offset) { | |
| 4757 | |
| 4758 // clear | |
| 4759 if (offset is -1) { | |
| 4760 if (fMarkPosition !is null && !fMarkPosition.isDeleted()) { | |
| 4761 | |
| 4762 IDocument document= getDocument(); | |
| 4763 if (document !is null) | |
| 4764 document.removePosition(fMarkPosition); | |
| 4765 } | |
| 4766 | |
| 4767 fMarkPosition= null; | |
| 4768 | |
| 4769 markChanged(-1, 0); | |
| 4770 | |
| 4771 // set | |
| 4772 } else { | |
| 4773 | |
| 4774 IDocument document= getDocument(); | |
| 4775 if (document is null) { | |
| 4776 fMarkPosition= null; | |
| 4777 return; | |
| 4778 } | |
| 4779 | |
| 4780 if (fMarkPosition !is null) | |
| 4781 document.removePosition(fMarkPosition); | |
| 4782 | |
| 4783 fMarkPosition= null; | |
| 4784 | |
| 4785 try { | |
| 4786 | |
| 4787 Position position= new Position(offset); | |
| 4788 document.addPosition(MARK_POSITION_CATEGORY, position); | |
| 4789 fMarkPosition= position; | |
| 4790 | |
| 4791 } catch (BadLocationException e) { | |
| 4792 return; | |
| 4793 } catch (BadPositionCategoryException e) { | |
| 4794 return; | |
| 4795 } | |
| 4796 | |
| 4797 markChanged(modelOffset2WidgetOffset(fMarkPosition.offset), 0); | |
| 4798 } | |
| 4799 } | |
| 4800 | |
| 4801 /* | |
| 4802 * @see Viewer#inputChanged(Object, Object) | |
| 4803 * @since 2.0 | |
| 4804 */ | |
| 4805 protected void inputChanged(Object newInput, Object oldInput) { | |
| 4806 | |
| 134 | 4807 IDocument oldDocument= cast(IDocument) oldInput; |
| 129 | 4808 if (oldDocument !is null) { |
| 4809 | |
| 4810 if (fMarkPosition !is null && !fMarkPosition.isDeleted()) | |
| 4811 oldDocument.removePosition(fMarkPosition); | |
| 4812 | |
| 4813 try { | |
| 4814 oldDocument.removePositionUpdater(fMarkPositionUpdater); | |
| 4815 oldDocument.removePositionCategory(MARK_POSITION_CATEGORY); | |
| 4816 | |
| 4817 } catch (BadPositionCategoryException e) { | |
| 4818 } | |
| 4819 } | |
| 4820 | |
| 4821 fMarkPosition= null; | |
| 4822 | |
| 138 | 4823 if ( cast(IDocumentExtension4)oldDocument ) { |
| 134 | 4824 IDocumentExtension4 document= cast(IDocumentExtension4) oldDocument; |
| 129 | 4825 document.removeDocumentRewriteSessionListener(fDocumentRewriteSessionListener); |
| 4826 } | |
| 4827 | |
| 4828 super.inputChanged(newInput, oldInput); | |
| 4829 | |
| 138 | 4830 if ( cast(IDocumentExtension4)newInput ) { |
| 134 | 4831 IDocumentExtension4 document= cast(IDocumentExtension4) newInput; |
| 129 | 4832 document.addDocumentRewriteSessionListener(fDocumentRewriteSessionListener); |
| 4833 } | |
| 4834 | |
| 134 | 4835 IDocument newDocument= cast(IDocument) newInput; |
| 129 | 4836 if (newDocument !is null) { |
| 4837 newDocument.addPositionCategory(MARK_POSITION_CATEGORY); | |
| 4838 newDocument.addPositionUpdater(fMarkPositionUpdater); | |
| 4839 } | |
| 4840 } | |
| 4841 | |
| 4842 /** | |
| 4843 * Informs all text listeners about the change of the viewer's redraw state. | |
| 4844 * @since 2.0 | |
| 4845 */ | |
| 4846 private void fireRedrawChanged() { | |
| 4847 fWidgetCommand.start= 0; | |
| 4848 fWidgetCommand.length= 0; | |
| 4849 fWidgetCommand.text= null; | |
| 4850 fWidgetCommand.event= null; | |
| 4851 updateTextListeners(fWidgetCommand); | |
| 4852 } | |
| 4853 | |
| 4854 /** | |
| 4855 * Enables the redrawing of this text viewer. | |
| 4856 * @since 2.0 | |
| 4857 */ | |
| 4858 protected void enabledRedrawing() { | |
| 4859 enabledRedrawing(-1); | |
| 4860 } | |
| 4861 /** | |
| 4862 * Enables the redrawing of this text viewer. | |
| 4863 * | |
| 4864 * @param topIndex the top index to be set or <code>-1</code> | |
| 4865 * @since 3.0 | |
| 4866 */ | |
| 4867 protected void enabledRedrawing(int topIndex) { | |
| 138 | 4868 if ( cast(IDocumentAdapterExtension)fDocumentAdapter ) { |
| 134 | 4869 IDocumentAdapterExtension extension= cast(IDocumentAdapterExtension) fDocumentAdapter; |
| 129 | 4870 StyledText textWidget= getTextWidget(); |
| 4871 if (textWidget !is null && !textWidget.isDisposed()) { | |
| 4872 extension.resumeForwardingDocumentChanges(); | |
| 4873 if (topIndex > -1) { | |
| 4874 try { | |
| 4875 setTopIndex(topIndex); | |
| 4876 } catch (IllegalArgumentException x) { | |
| 4877 // changes don't allow for the previous top pixel | |
| 4878 } | |
| 4879 } | |
| 4880 } | |
| 4881 } | |
| 4882 | |
| 4883 if (fViewerState !is null) { | |
| 4884 fViewerState.restore(topIndex is -1); | |
| 4885 fViewerState= null; | |
| 4886 } | |
| 4887 | |
| 4888 if (fTextWidget !is null && !fTextWidget.isDisposed()) | |
| 4889 fTextWidget.setRedraw(true); | |
| 4890 | |
| 4891 fireRedrawChanged(); | |
| 4892 } | |
| 4893 | |
| 4894 /** | |
| 4895 * Disables the redrawing of this text viewer. Subclasses may extend. | |
| 4896 * @since 2.0 | |
| 4897 */ | |
| 4898 protected void disableRedrawing() { | |
| 4899 if (fViewerState is null) | |
| 4900 fViewerState= new ViewerState(); | |
| 4901 | |
| 138 | 4902 if ( cast(IDocumentAdapterExtension)fDocumentAdapter ) { |
| 134 | 4903 IDocumentAdapterExtension extension= cast(IDocumentAdapterExtension) fDocumentAdapter; |
| 129 | 4904 extension.stopForwardingDocumentChanges(); |
| 4905 } | |
| 4906 | |
| 4907 if (fTextWidget !is null && !fTextWidget.isDisposed()) | |
| 4908 fTextWidget.setRedraw(false); | |
| 4909 | |
| 4910 fireRedrawChanged(); | |
| 4911 } | |
| 4912 | |
| 4913 /* | |
| 4914 * @see ITextViewerExtension#setRedraw(bool) | |
| 4915 * @since 2.0 | |
| 4916 */ | |
| 4917 public final void setRedraw(bool redraw) { | |
| 4918 setRedraw(redraw, -1); | |
| 4919 } | |
| 4920 | |
| 4921 /** | |
| 4922 * Basically same functionality as | |
| 4923 * <code>ITextViewerExtension.setRedraw(bool)</code>. Adds a way for | |
| 4924 * subclasses to pass in a desired top index that should be used when | |
| 4925 * <code>redraw</code> is <code>true</code>. If <code>topIndex</code> | |
| 4926 * is -1, this method is identical to | |
| 4927 * <code>ITextViewerExtension.setRedraw(bool)</code>. | |
| 4928 * | |
| 4929 * @see ITextViewerExtension#setRedraw(bool) | |
| 4930 * | |
| 4931 * @param redraw | |
| 4932 * @param topIndex | |
| 4933 * @since 3.0 | |
| 4934 */ | |
| 4935 protected final void setRedraw(bool redraw, int topIndex) { | |
| 4936 if (!redraw) { | |
| 4937 | |
| 4938 ++ fRedrawCounter; | |
| 4939 if (fRedrawCounter is 1) | |
| 4940 disableRedrawing(); | |
| 4941 | |
| 4942 } else { | |
| 4943 -- fRedrawCounter; | |
| 4944 if (fRedrawCounter is 0) { | |
| 4945 if (topIndex is -1) | |
| 4946 enabledRedrawing(); | |
| 4947 else | |
| 4948 enabledRedrawing(topIndex); | |
| 4949 } | |
| 4950 } | |
| 4951 } | |
| 4952 | |
| 4953 /** | |
| 4954 * Returns whether this viewer redraws itself. | |
| 4955 * | |
| 4956 * @return <code>true</code> if this viewer redraws itself | |
| 4957 * @since 2.0 | |
| 4958 */ | |
| 4959 protected final bool redraws() { | |
| 4960 return fRedrawCounter <= 0; | |
| 4961 } | |
| 4962 | |
| 4963 /** | |
| 4964 * Starts the sequential rewrite mode of the viewer's document. | |
| 4965 * | |
| 4966 * @param normalized <code>true</code> if the rewrite is performed from the start to the end of the document | |
| 4967 * @since 2.0 | |
| 4968 * @deprecated since 3.1 use {@link IDocumentExtension4#startRewriteSession(DocumentRewriteSessionType)} instead | |
| 4969 */ | |
| 4970 protected final void startSequentialRewriteMode(bool normalized) { | |
| 4971 IDocument document= getDocument(); | |
| 138 | 4972 if ( cast(IDocumentExtension)document ) { |
| 134 | 4973 IDocumentExtension extension= cast(IDocumentExtension) document; |
| 129 | 4974 extension.startSequentialRewrite(normalized); |
| 4975 } | |
| 4976 } | |
| 4977 | |
| 4978 /** | |
| 4979 * Sets the sequential rewrite mode of the viewer's document. | |
| 4980 * | |
| 4981 * @since 2.0 | |
| 4982 * @deprecated since 3.1 use {@link IDocumentExtension4#stopRewriteSession(DocumentRewriteSession)} instead | |
| 4983 */ | |
| 4984 protected final void stopSequentialRewriteMode() { | |
| 4985 IDocument document= getDocument(); | |
| 138 | 4986 if ( cast(IDocumentExtension)document ) { |
| 134 | 4987 IDocumentExtension extension= cast(IDocumentExtension) document; |
| 129 | 4988 extension.stopSequentialRewrite(); |
| 4989 } | |
| 4990 } | |
| 4991 | |
| 4992 /* | |
| 4993 * @see dwtx.jface.text.ITextViewerExtension#getRewriteTarget() | |
| 4994 * @since 2.0 | |
| 4995 */ | |
| 4996 public IRewriteTarget getRewriteTarget() { | |
| 4997 if (fRewriteTarget is null) | |
| 4998 fRewriteTarget= new RewriteTarget(); | |
| 4999 return fRewriteTarget; | |
| 5000 } | |
| 5001 | |
| 5002 /* | |
| 5003 * @see dwtx.jface.text.ITextViewerExtension2#getCurrentTextHover() | |
| 5004 */ | |
| 5005 public ITextHover getCurrentTextHover() { | |
| 5006 if (fTextHoverManager is null) | |
| 5007 return null; | |
| 162 | 5008 return fTextHoverManager.getCurrentTextHover_package(); |
| 129 | 5009 } |
| 5010 | |
| 5011 /* | |
| 5012 * @see dwtx.jface.text.ITextViewerExtension2#getHoverEventLocation() | |
| 5013 */ | |
| 5014 public Point getHoverEventLocation() { | |
| 5015 if (fTextHoverManager is null) | |
| 5016 return null; | |
| 162 | 5017 return fTextHoverManager.getHoverEventLocation_package(); |
| 129 | 5018 } |
| 5019 | |
| 5020 /** | |
| 5021 * Returns the paint manager of this viewer. | |
| 5022 * | |
| 5023 * @return the paint manager of this viewer | |
| 5024 * @since 2.1 | |
| 5025 */ | |
| 5026 protected PaintManager getPaintManager() { | |
| 5027 if (fPaintManager is null) | |
| 5028 fPaintManager= new PaintManager(this); | |
| 5029 return fPaintManager; | |
| 5030 } | |
| 5031 | |
| 5032 /** | |
| 5033 * Adds the given painter to this viewer. If the painter is already registered | |
| 5034 * this method is without effect. | |
| 5035 * | |
| 5036 * @param painter the painter to be added | |
| 5037 * @since 2.1 | |
| 5038 */ | |
| 5039 public void addPainter(IPainter painter) { | |
| 5040 getPaintManager().addPainter(painter); | |
| 5041 } | |
| 5042 | |
| 5043 /** | |
| 5044 * Removes the given painter from this viewer. If the painter has previously not been | |
| 5045 * added to this viewer this method is without effect. | |
| 5046 * | |
| 5047 * @param painter the painter to be removed | |
| 5048 * @since 2.1 | |
| 5049 */ | |
| 5050 public void removePainter(IPainter painter) { | |
| 5051 getPaintManager().removePainter(painter); | |
| 5052 } | |
| 5053 | |
| 5054 // ----------------------------------- conversions ------------------------------------------------------- | |
| 5055 | |
| 5056 /** | |
| 5057 * Implements the contract of {@link ITextViewerExtension5#modelLine2WidgetLine(int)}. | |
| 5058 * | |
| 5059 * @param modelLine the model line | |
| 5060 * @return the corresponding widget line or <code>-1</code> | |
| 5061 * @since 2.1 | |
| 5062 */ | |
| 5063 public int modelLine2WidgetLine(int modelLine) { | |
| 5064 if (fInformationMapping is null) | |
| 5065 return modelLine; | |
| 5066 | |
| 5067 try { | |
| 5068 return fInformationMapping.toImageLine(modelLine); | |
| 5069 } catch (BadLocationException x) { | |
| 5070 } | |
| 5071 | |
| 5072 return -1; | |
| 5073 } | |
| 5074 | |
| 5075 /** | |
| 5076 * Implements the contract of {@link ITextViewerExtension5#modelOffset2WidgetOffset(int)}. | |
| 5077 * | |
| 5078 * @param modelOffset the model offset | |
| 5079 * @return the corresponding widget offset or <code>-1</code> | |
| 5080 * @since 2.1 | |
| 5081 */ | |
| 5082 public int modelOffset2WidgetOffset(int modelOffset) { | |
| 5083 if (fInformationMapping is null) | |
| 5084 return modelOffset; | |
| 5085 | |
| 5086 try { | |
| 5087 return fInformationMapping.toImageOffset(modelOffset); | |
| 5088 } catch (BadLocationException x) { | |
| 5089 } | |
| 5090 | |
| 5091 return -1; | |
| 5092 } | |
| 5093 | |
| 5094 /** | |
| 5095 * Implements the contract of {@link ITextViewerExtension5#modelRange2WidgetRange(IRegion)}. | |
| 5096 * | |
| 5097 * @param modelRange the model range | |
| 5098 * @return the corresponding widget range or <code>null</code> | |
| 5099 * @since 2.1 | |
| 5100 */ | |
| 5101 public IRegion modelRange2WidgetRange(IRegion modelRange) { | |
| 5102 if (fInformationMapping is null) | |
| 5103 return modelRange; | |
| 5104 | |
| 5105 try { | |
| 5106 | |
| 5107 if (modelRange.getLength() < 0) { | |
| 5108 Region reversed= new Region(modelRange.getOffset() + modelRange.getLength(), -modelRange.getLength()); | |
| 5109 IRegion result= fInformationMapping.toImageRegion(reversed); | |
| 5110 if (result !is null) | |
| 5111 return new Region(result.getOffset() + result.getLength(), -result.getLength()); | |
| 5112 } | |
| 5113 return fInformationMapping.toImageRegion(modelRange); | |
| 5114 | |
| 5115 } catch (BadLocationException x) { | |
| 5116 } | |
| 5117 | |
| 5118 return null; | |
| 5119 } | |
| 5120 | |
| 5121 /** | |
| 5122 * Similar to {@link #modelRange2WidgetRange(IRegion)}, but more forgiving: | |
| 5123 * if <code>modelRange</code> describes a region entirely hidden in the | |
| 5124 * image, then this method returns the zero-length region at the offset of | |
| 5125 * the folded region. | |
| 5126 * | |
| 5127 * @param modelRange the model range | |
| 5128 * @return the corresponding widget range, or <code>null</code> | |
| 5129 * @since 3.1 | |
| 5130 */ | |
| 5131 protected IRegion modelRange2ClosestWidgetRange(IRegion modelRange) { | |
| 138 | 5132 if (!( cast(IDocumentInformationMappingExtension2)fInformationMapping )) |
| 129 | 5133 return modelRange2WidgetRange(modelRange); |
| 5134 | |
| 5135 try { | |
| 5136 if (modelRange.getLength() < 0) { | |
| 5137 Region reversed= new Region(modelRange.getOffset() + modelRange.getLength(), -modelRange.getLength()); | |
| 134 | 5138 IRegion result= (cast(IDocumentInformationMappingExtension2) fInformationMapping).toClosestImageRegion(reversed); |
| 129 | 5139 if (result !is null) |
| 5140 return new Region(result.getOffset() + result.getLength(), -result.getLength()); | |
| 5141 } | |
| 134 | 5142 return (cast(IDocumentInformationMappingExtension2) fInformationMapping).toClosestImageRegion(modelRange); |
| 129 | 5143 |
| 5144 } catch (BadLocationException x) { | |
| 5145 } | |
| 5146 | |
| 5147 return null; | |
| 5148 } | |
| 5149 | |
| 5150 /** | |
| 5151 * Implements the contract of {@link ITextViewerExtension5#widgetLine2ModelLine(int)}. | |
| 5152 * | |
| 5153 * @param widgetLine the widget line | |
| 5154 * @return the corresponding model line | |
| 5155 * @since 2.1 | |
| 5156 */ | |
| 5157 public int widgetlLine2ModelLine(int widgetLine) { | |
| 5158 return widgetLine2ModelLine(widgetLine); | |
| 5159 } | |
| 5160 | |
| 5161 /** | |
| 5162 * Implements the contract of {@link ITextViewerExtension5#widgetLine2ModelLine(int)}. | |
| 5163 * | |
| 5164 * @param widgetLine the widget line | |
| 5165 * @return the corresponding model line or <code>-1</code> | |
| 5166 * @since 3.0 | |
| 5167 */ | |
| 5168 public int widgetLine2ModelLine(int widgetLine) { | |
| 5169 if (fInformationMapping is null) | |
| 5170 return widgetLine; | |
| 5171 | |
| 5172 try { | |
| 5173 return fInformationMapping.toOriginLine(widgetLine); | |
| 5174 } catch (BadLocationException x) { | |
| 5175 } | |
| 5176 | |
| 5177 return -1; | |
| 5178 } | |
| 5179 | |
| 5180 /** | |
| 5181 * Implements the contract of {@link ITextViewerExtension5#widgetOffset2ModelOffset(int)}. | |
| 5182 * | |
| 5183 * @param widgetOffset the widget offset | |
| 5184 * @return the corresponding model offset or <code>-1</code> | |
| 5185 * @since 2.1 | |
| 5186 */ | |
| 5187 public int widgetOffset2ModelOffset(int widgetOffset) { | |
| 5188 if (fInformationMapping is null) | |
| 5189 return widgetOffset; | |
| 5190 | |
| 5191 try { | |
| 5192 return fInformationMapping.toOriginOffset(widgetOffset); | |
| 5193 } catch (BadLocationException x) { | |
| 5194 if (widgetOffset is getVisibleDocument().getLength()) { | |
| 5195 IRegion coverage= fInformationMapping.getCoverage(); | |
| 5196 return coverage.getOffset() + coverage.getLength(); | |
| 5197 } | |
| 5198 } | |
| 5199 | |
| 5200 return -1; | |
| 5201 } | |
| 5202 | |
| 5203 /** | |
| 5204 * Implements the contract of {@link ITextViewerExtension5#widgetRange2ModelRange(IRegion)}. | |
| 5205 * | |
| 5206 * @param widgetRange the widget range | |
| 5207 * @return the corresponding model range or <code>null</code> | |
| 5208 * @since 2.1 | |
| 5209 */ | |
| 5210 public IRegion widgetRange2ModelRange(IRegion widgetRange) { | |
| 5211 if (fInformationMapping is null) | |
| 5212 return widgetRange; | |
| 5213 | |
| 5214 try { | |
| 5215 | |
| 5216 if (widgetRange.getLength() < 0) { | |
| 5217 Region reveresed= new Region(widgetRange.getOffset() + widgetRange.getLength(), -widgetRange.getLength()); | |
| 5218 IRegion result= fInformationMapping.toOriginRegion(reveresed); | |
| 5219 return new Region(result.getOffset() + result.getLength(), -result.getLength()); | |
| 5220 } | |
| 5221 | |
| 5222 return fInformationMapping.toOriginRegion(widgetRange); | |
| 5223 | |
| 5224 } catch (BadLocationException x) { | |
| 5225 int modelOffset= widgetOffset2ModelOffset(widgetRange.getOffset()); | |
| 5226 if (modelOffset > -1) { | |
| 5227 int modelEndOffset= widgetOffset2ModelOffset(widgetRange.getOffset() + widgetRange.getLength()); | |
| 5228 if (modelEndOffset > -1) | |
| 5229 return new Region(modelOffset, modelEndOffset - modelOffset); | |
| 5230 } | |
| 5231 } | |
| 5232 | |
| 5233 return null; | |
| 5234 } | |
| 5235 | |
| 5236 /** | |
| 5237 * Implements the contract of {@link ITextViewerExtension5#getModelCoverage()}. | |
| 5238 * | |
| 5239 * @return the model coverage | |
| 5240 * @since 2.1 | |
| 5241 */ | |
| 5242 public IRegion getModelCoverage() { | |
| 5243 if (fInformationMapping is null) { | |
| 5244 IDocument document= getDocument(); | |
| 5245 if (document is null) | |
| 5246 return null; | |
| 5247 return new Region(0, document.getLength()); | |
| 5248 } | |
| 5249 | |
| 5250 return fInformationMapping.getCoverage(); | |
| 5251 } | |
| 5252 | |
| 5253 /** | |
| 5254 * Returns the line of the widget whose corresponding line in the viewer's document | |
| 5255 * is closest to the given line in the viewer's document or <code>-1</code>. | |
| 5256 * | |
| 5257 * @param modelLine the line in the viewer's document | |
| 5258 * @return the line in the widget that corresponds best to the given line in the viewer's document or <code>-1</code> | |
| 5259 * @since 2.1 | |
| 5260 */ | |
| 5261 protected int getClosestWidgetLineForModelLine(int modelLine) { | |
| 5262 if (fInformationMapping is null) | |
| 5263 return modelLine; | |
| 5264 | |
| 5265 try { | |
| 5266 return fInformationMapping.toClosestImageLine(modelLine); | |
| 5267 } catch (BadLocationException x) { | |
| 5268 } | |
| 5269 | |
| 5270 return -1; | |
| 5271 } | |
| 5272 | |
| 5273 /** | |
| 5274 * Translates a style range given relative to the viewer's document into style | |
| 5275 * ranges relative to the viewer's widget or <code>null</code>. | |
| 5276 * | |
| 5277 * @param range the style range in the coordinates of the viewer's document | |
| 5278 * @return the style range in the coordinates of the viewer's widget or <code>null</code> | |
| 5279 * @since 2.1 | |
| 5280 */ | |
| 5281 protected StyleRange modelStyleRange2WidgetStyleRange(StyleRange range) { | |
| 5282 IRegion region= modelRange2WidgetRange(new Region(range.start, range.length)); | |
| 5283 if (region !is null) { | |
| 134 | 5284 StyleRange result= cast(StyleRange) range.clone(); |
| 129 | 5285 result.start= region.getOffset(); |
| 5286 result.length= region.getLength(); | |
| 5287 return result; | |
| 5288 } | |
| 5289 return null; | |
| 5290 } | |
| 5291 | |
| 5292 /** | |
| 5293 * Same as {@link #modelRange2WidgetRange(IRegion)} just for a {@link dwtx.jface.text.Position}. | |
| 5294 * | |
| 5295 * @param modelPosition the position describing a range in the viewer's document | |
| 5296 * @return a region describing a range in the viewer's widget | |
| 5297 * @since 2.1 | |
| 5298 */ | |
| 5299 protected IRegion modelRange2WidgetRange(Position modelPosition) { | |
| 5300 return modelRange2WidgetRange(new Region(modelPosition.getOffset(), modelPosition.getLength())); | |
| 5301 } | |
| 5302 | |
| 5303 /** | |
| 5304 * Translates the widget region of the given verify event into | |
| 5305 * the corresponding region of the viewer's document. | |
| 5306 * | |
| 5307 * @param event the verify event | |
| 5308 * @return the region of the viewer's document corresponding to the verify event | |
| 5309 * @since 2.1 | |
| 5310 */ | |
| 5311 protected IRegion event2ModelRange(VerifyEvent event) { | |
| 5312 | |
| 5313 Region region= null; | |
| 5314 if (event.start <= event.end) | |
| 5315 region= new Region(event.start, event.end - event.start); | |
| 5316 else | |
| 5317 region= new Region(event.end, event.start - event.end); | |
| 5318 | |
| 5319 return widgetRange2ModelRange(region); | |
| 5320 } | |
| 5321 | |
| 5322 /** | |
| 5323 * Translates the given widget selection into the corresponding region | |
| 5324 * of the viewer's document or returns <code>null</code> if this fails. | |
| 5325 * | |
| 5326 * @param widgetSelection the widget selection | |
| 5327 * @return the region of the viewer's document corresponding to the widget selection or <code>null</code> | |
| 5328 * @since 2.1 | |
| 5329 */ | |
| 5330 protected Point widgetSelection2ModelSelection(Point widgetSelection) { | |
| 5331 IRegion region= new Region(widgetSelection.x, widgetSelection.y); | |
| 5332 region= widgetRange2ModelRange(region); | |
| 5333 return region is null ? null : new Point(region.getOffset(), region.getLength()); | |
| 5334 } | |
| 5335 | |
| 5336 /** | |
| 5337 * Translates the given selection range of the viewer's document into | |
| 5338 * the corresponding widget range or returns <code>null</code> of this fails. | |
| 5339 * | |
| 5340 * @param modelSelection the selection range of the viewer's document | |
| 5341 * @return the widget range corresponding to the selection range or <code>null</code> | |
| 5342 * @since 2.1 | |
| 5343 */ | |
| 5344 protected Point modelSelection2WidgetSelection(Point modelSelection) { | |
| 5345 if (fInformationMapping is null) | |
| 5346 return modelSelection; | |
| 5347 | |
| 5348 try { | |
| 5349 IRegion region= new Region(modelSelection.x, modelSelection.y); | |
| 5350 region= fInformationMapping.toImageRegion(region); | |
| 5351 if (region !is null) | |
| 5352 return new Point(region.getOffset(), region.getLength()); | |
| 5353 } catch (BadLocationException x) { | |
| 5354 } | |
| 5355 | |
| 5356 return null; | |
| 5357 } | |
| 5358 | |
| 5359 /** | |
| 5360 * Implements the contract of {@link ITextViewerExtension5#widgetLineOfWidgetOffset(int)}. | |
| 5361 * | |
| 5362 * @param widgetOffset the widget offset | |
| 5363 * @return the corresponding widget line or <code>-1</code> | |
| 5364 * @since 2.1 | |
| 5365 */ | |
| 5366 public int widgetLineOfWidgetOffset(int widgetOffset) { | |
| 5367 IDocument document= getVisibleDocument(); | |
| 5368 if (document !is null) { | |
| 5369 try { | |
| 5370 return document.getLineOfOffset(widgetOffset); | |
| 5371 } catch (BadLocationException e) { | |
| 5372 } | |
| 5373 } | |
| 5374 return -1; | |
| 5375 } | |
| 5376 | |
| 5377 /* | |
| 5378 * @see dwtx.jface.text.ITextViewerExtension4#moveFocusToWidgetToken() | |
| 5379 * @since 3.0 | |
| 5380 */ | |
| 5381 public bool moveFocusToWidgetToken() { | |
| 138 | 5382 if ( cast(IWidgetTokenKeeperExtension)fWidgetTokenKeeper ) { |
| 134 | 5383 IWidgetTokenKeeperExtension extension= cast(IWidgetTokenKeeperExtension) fWidgetTokenKeeper; |
| 129 | 5384 return extension.setFocus(this); |
| 5385 } | |
| 5386 return false; | |
| 5387 } | |
| 5388 | |
| 5389 /** | |
| 5390 * Sets the document partitioning of this viewer. The partitioning is used by this viewer to | |
| 5391 * access partitioning information of the viewers input document. | |
| 5392 * | |
| 5393 * @param partitioning the partitioning name | |
| 5394 * @since 3.0 | |
| 5395 */ | |
| 5396 public void setDocumentPartitioning(String partitioning) { | |
| 5397 fPartitioning= partitioning; | |
| 5398 } | |
| 5399 | |
| 5400 /** | |
| 5401 * Returns the document partitioning for this viewer. | |
| 5402 * | |
| 5403 * @return the document partitioning for this viewer | |
| 5404 * @since 3.0 | |
| 5405 */ | |
| 5406 protected String getDocumentPartitioning() { | |
| 5407 return fPartitioning; | |
| 5408 } | |
| 5409 | |
| 5410 //---- Text presentation listeners ---- | |
| 5411 | |
| 5412 /* | |
| 5413 * @see ITextViewerExtension4#addTextPresentationListener(ITextPresentationListener) | |
| 5414 * @since 3.0 | |
| 5415 */ | |
| 5416 public void addTextPresentationListener(ITextPresentationListener listener) { | |
| 5417 | |
| 162 | 5418 Assert.isNotNull(cast(Object)listener); |
| 129 | 5419 |
| 5420 if (fTextPresentationListeners is null) | |
| 5421 fTextPresentationListeners= new ArrayList(); | |
| 5422 | |
| 162 | 5423 if (!fTextPresentationListeners.contains(cast(Object)listener)) |
| 5424 fTextPresentationListeners.add(cast(Object)listener); | |
| 129 | 5425 } |
| 5426 | |
| 5427 /* | |
| 5428 * @see ITextViewerExtension4#removeTextPresentationListener(ITextPresentationListener) | |
| 5429 * @since 3.0 | |
| 5430 */ | |
| 5431 public void removeTextPresentationListener(ITextPresentationListener listener) { | |
| 5432 | |
| 162 | 5433 Assert.isNotNull(cast(Object)listener); |
| 129 | 5434 |
| 5435 if (fTextPresentationListeners !is null) { | |
| 162 | 5436 fTextPresentationListeners.remove(cast(Object)listener); |
| 129 | 5437 if (fTextPresentationListeners.size() is 0) |
| 5438 fTextPresentationListeners= null; | |
| 5439 } | |
| 5440 } | |
| 5441 | |
| 5442 /* | |
| 5443 * @see dwtx.jface.text.IEditingSupportRegistry#registerHelper(dwtx.jface.text.IEditingSupport) | |
| 5444 * @since 3.1 | |
| 5445 */ | |
| 5446 public void register(IEditingSupport helper) { | |
| 5447 Assert.isLegal(helper !is null); | |
| 162 | 5448 fEditorHelpers.add(cast(Object)helper); |
| 129 | 5449 } |
| 5450 | |
| 5451 /* | |
| 5452 * @see dwtx.jface.text.IEditingSupportRegistry#deregisterHelper(dwtx.jface.text.IEditingSupport) | |
| 5453 * @since 3.1 | |
| 5454 */ | |
| 5455 public void unregister(IEditingSupport helper) { | |
| 162 | 5456 fEditorHelpers.remove(cast(Object)helper); |
| 129 | 5457 } |
| 5458 | |
| 5459 /* | |
| 5460 * @see dwtx.jface.text.IEditingSupportRegistry#getCurrentHelpers() | |
| 5461 * @since 3.1 | |
| 5462 */ | |
| 5463 public IEditingSupport[] getRegisteredSupports() { | |
| 156 | 5464 return arraycast!(IEditingSupport)( fEditorHelpers.toArray()); |
| 129 | 5465 } |
| 5466 | |
| 5467 /* | |
| 5468 * @see dwtx.jface.text.ITextViewerExtension6#setHyperlinkDetectors(dwtx.jface.text.hyperlink.IHyperlinkDetector[], int) | |
| 5469 * @since 3.1 | |
| 5470 */ | |
| 5471 public void setHyperlinkDetectors(IHyperlinkDetector[] hyperlinkDetectors, int eventStateMask) { | |
| 5472 if (fHyperlinkDetectors !is null) { | |
| 5473 for (int i= 0; i < fHyperlinkDetectors.length; i++) { | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
5474 if (cast(IHyperlinkDetectorExtension)fHyperlinkDetectors[i] ) |
| 134 | 5475 (cast(IHyperlinkDetectorExtension)fHyperlinkDetectors[i]).dispose(); |
| 129 | 5476 } |
| 5477 } | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
5478 |
| 129 | 5479 bool enable= hyperlinkDetectors !is null && hyperlinkDetectors.length > 0; |
| 5480 fHyperlinkStateMask= eventStateMask; | |
| 5481 fHyperlinkDetectors= hyperlinkDetectors; | |
| 5482 if (enable) { | |
| 5483 if (fHyperlinkManager !is null) { | |
| 5484 fHyperlinkManager.setHyperlinkDetectors(fHyperlinkDetectors); | |
| 5485 fHyperlinkManager.setHyperlinkStateMask(fHyperlinkStateMask); | |
| 5486 } | |
| 5487 ensureHyperlinkManagerInstalled(); | |
| 5488 } else { | |
| 5489 if (fHyperlinkManager !is null) | |
| 5490 fHyperlinkManager.uninstall(); | |
| 5491 fHyperlinkManager= null; | |
| 5492 } | |
| 5493 } | |
| 5494 | |
| 5495 /** | |
| 5496 * Sets the hyperlink presenter. | |
| 5497 * <p> | |
| 5498 * This is only valid as long as the hyperlink manager hasn't | |
| 5499 * been created yet. | |
| 5500 * </p> | |
| 5501 * | |
| 5502 * @param hyperlinkPresenter the hyperlink presenter | |
| 5503 * @throws IllegalStateException if the hyperlink manager has already been created | |
| 5504 * @since 3.1 | |
| 5505 */ | |
|
136
6dcb0baaa031
Regex removal of throws decls, some instanceof
Frank Benoit <benoit@tionex.de>
parents:
135
diff
changeset
|
5506 public void setHyperlinkPresenter(IHyperlinkPresenter hyperlinkPresenter) { |
| 129 | 5507 if (fHyperlinkManager !is null) |
| 5508 throw new IllegalStateException(); | |
| 5509 | |
| 5510 fHyperlinkPresenter= hyperlinkPresenter; | |
| 5511 ensureHyperlinkManagerInstalled(); | |
| 5512 } | |
| 5513 | |
| 5514 /** | |
| 5515 * Ensures that the hyperlink manager has been | |
| 5516 * installed if a hyperlink detector is available. | |
| 5517 * | |
| 5518 * @since 3.1 | |
| 5519 */ | |
| 5520 private void ensureHyperlinkManagerInstalled() { | |
| 5521 if (fHyperlinkDetectors !is null && fHyperlinkDetectors.length > 0 && fHyperlinkPresenter !is null && fHyperlinkManager is null) { | |
| 159 | 5522 HyperlinkManager.DETECTION_STRATEGY strategy= fHyperlinkPresenter.canShowMultipleHyperlinks() ? HyperlinkManager.ALL : HyperlinkManager.FIRST; |
| 129 | 5523 fHyperlinkManager= new HyperlinkManager(strategy); |
| 5524 fHyperlinkManager.install(this, fHyperlinkPresenter, fHyperlinkDetectors, fHyperlinkStateMask); | |
| 5525 } | |
| 5526 } | |
| 5527 | |
| 5528 /* | |
| 5529 * @see dwtx.jface.text.ITextViewerExtension7#setTabsToSpacesConverter(dwtx.jface.text.IAutoEditStrategy) | |
| 5530 * @since 3.3 | |
| 5531 */ | |
| 5532 public void setTabsToSpacesConverter(IAutoEditStrategy converter) { | |
| 5533 fTabsToSpacesConverter= converter; | |
| 5534 } | |
| 5535 | |
| 5536 } |