Mercurial > projects > dwt-addons
annotate dwtx/jface/text/RewriteSessionEditProcessor.d @ 140:26688fec6d23
Following dsss compile errors
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 24 Aug 2008 03:23:46 +0200 |
parents | b6bad70d540a |
children | 000f9136b8f7 |
rev | line source |
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129 | 1 /******************************************************************************* |
2 * Copyright (c) 2006 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.RewriteSessionEditProcessor; | |
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.TextViewerHoverManager; // packageimport | |
37 import dwtx.jface.text.DocumentRewriteSession; // packageimport | |
38 import dwtx.jface.text.TextViewer; // 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.Assert; // packageimport | |
64 import dwtx.jface.text.DefaultInformationControl; // packageimport | |
65 import dwtx.jface.text.IWidgetTokenOwnerExtension; // packageimport | |
66 import dwtx.jface.text.DocumentClone; // packageimport | |
67 import dwtx.jface.text.DefaultUndoManager; // packageimport | |
68 import dwtx.jface.text.IFindReplaceTarget; // packageimport | |
69 import dwtx.jface.text.IAutoEditStrategy; // packageimport | |
70 import dwtx.jface.text.ILineTrackerExtension; // packageimport | |
71 import dwtx.jface.text.IUndoManagerExtension; // packageimport | |
72 import dwtx.jface.text.TextSelection; // packageimport | |
73 import dwtx.jface.text.DefaultAutoIndentStrategy; // packageimport | |
74 import dwtx.jface.text.IAutoIndentStrategy; // packageimport | |
75 import dwtx.jface.text.IPainter; // packageimport | |
76 import dwtx.jface.text.IInformationControl; // packageimport | |
77 import dwtx.jface.text.IInformationControlExtension3; // packageimport | |
78 import dwtx.jface.text.ITextViewerExtension6; // packageimport | |
79 import dwtx.jface.text.IInformationControlExtension4; // packageimport | |
80 import dwtx.jface.text.DefaultLineTracker; // packageimport | |
81 import dwtx.jface.text.IDocumentInformationMappingExtension; // packageimport | |
82 import dwtx.jface.text.IRepairableDocumentExtension; // packageimport | |
83 import dwtx.jface.text.ITextHover; // packageimport | |
84 import dwtx.jface.text.FindReplaceDocumentAdapter; // packageimport | |
85 import dwtx.jface.text.ILineTracker; // packageimport | |
86 import dwtx.jface.text.Line; // packageimport | |
87 import dwtx.jface.text.ITextViewerExtension; // packageimport | |
88 import dwtx.jface.text.IDocumentAdapter; // packageimport | |
89 import dwtx.jface.text.TextEvent; // packageimport | |
90 import dwtx.jface.text.BadLocationException; // packageimport | |
91 import dwtx.jface.text.AbstractDocument; // packageimport | |
92 import dwtx.jface.text.AbstractLineTracker; // packageimport | |
93 import dwtx.jface.text.TreeLineTracker; // packageimport | |
94 import dwtx.jface.text.ITextPresentationListener; // packageimport | |
95 import dwtx.jface.text.Region; // packageimport | |
96 import dwtx.jface.text.ITextViewer; // packageimport | |
97 import dwtx.jface.text.IDocumentInformationMapping; // packageimport | |
98 import dwtx.jface.text.MarginPainter; // packageimport | |
99 import dwtx.jface.text.IPaintPositionManager; // packageimport | |
100 import dwtx.jface.text.TextPresentation; // packageimport | |
101 import dwtx.jface.text.IFindReplaceTargetExtension; // packageimport | |
102 import dwtx.jface.text.ISlaveDocumentManagerExtension; // packageimport | |
103 import dwtx.jface.text.ISelectionValidator; // packageimport | |
104 import dwtx.jface.text.IDocumentExtension; // packageimport | |
105 import dwtx.jface.text.PropagatingFontFieldEditor; // packageimport | |
106 import dwtx.jface.text.ConfigurableLineTracker; // packageimport | |
107 import dwtx.jface.text.SlaveDocumentEvent; // packageimport | |
108 import dwtx.jface.text.IDocumentListener; // packageimport | |
109 import dwtx.jface.text.PaintManager; // packageimport | |
110 import dwtx.jface.text.IFindReplaceTargetExtension3; // packageimport | |
111 import dwtx.jface.text.ITextDoubleClickStrategy; // packageimport | |
112 import dwtx.jface.text.IDocumentExtension3; // packageimport | |
113 import dwtx.jface.text.Position; // packageimport | |
114 import dwtx.jface.text.TextMessages; // packageimport | |
115 import dwtx.jface.text.CopyOnWriteTextStore; // packageimport | |
116 import dwtx.jface.text.WhitespaceCharacterPainter; // packageimport | |
117 import dwtx.jface.text.IPositionUpdater; // packageimport | |
118 import dwtx.jface.text.DefaultTextDoubleClickStrategy; // packageimport | |
119 import dwtx.jface.text.ListLineTracker; // packageimport | |
120 import dwtx.jface.text.ITextInputListener; // packageimport | |
121 import dwtx.jface.text.BadPositionCategoryException; // packageimport | |
122 import dwtx.jface.text.IWidgetTokenKeeperExtension; // packageimport | |
123 import dwtx.jface.text.IInputChangedListener; // packageimport | |
124 import dwtx.jface.text.ITextOperationTarget; // packageimport | |
125 import dwtx.jface.text.IDocumentInformationMappingExtension2; // packageimport | |
126 import dwtx.jface.text.ITextViewerExtension7; // packageimport | |
127 import dwtx.jface.text.IInformationControlExtension5; // packageimport | |
128 import dwtx.jface.text.IDocumentRewriteSessionListener; // packageimport | |
129 import dwtx.jface.text.JFaceTextUtil; // packageimport | |
130 import dwtx.jface.text.AbstractReusableInformationControlCreator; // packageimport | |
131 import dwtx.jface.text.TabsToSpacesConverter; // packageimport | |
132 import dwtx.jface.text.CursorLinePainter; // packageimport | |
133 import dwtx.jface.text.ITextHoverExtension; // packageimport | |
134 import dwtx.jface.text.IEventConsumer; // packageimport | |
135 import dwtx.jface.text.IDocument; // packageimport | |
136 import dwtx.jface.text.IWidgetTokenKeeper; // packageimport | |
137 import dwtx.jface.text.DocumentCommand; // packageimport | |
138 import dwtx.jface.text.TypedPosition; // packageimport | |
139 import dwtx.jface.text.IEditingSupportRegistry; // packageimport | |
140 import dwtx.jface.text.IDocumentPartitionerExtension; // packageimport | |
141 import dwtx.jface.text.AbstractHoverInformationControlManager; // packageimport | |
142 import dwtx.jface.text.IEditingSupport; // packageimport | |
143 import dwtx.jface.text.IMarkSelection; // packageimport | |
144 import dwtx.jface.text.ISlaveDocumentManager; // packageimport | |
145 import dwtx.jface.text.DocumentEvent; // packageimport | |
146 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport | |
147 import dwtx.jface.text.ITextStore; // packageimport | |
148 import dwtx.jface.text.JFaceTextMessages; // packageimport | |
149 import dwtx.jface.text.DocumentRewriteSessionEvent; // packageimport | |
150 import dwtx.jface.text.SequentialRewriteTextStore; // packageimport | |
151 import dwtx.jface.text.DocumentRewriteSessionType; // packageimport | |
152 import dwtx.jface.text.TextAttribute; // packageimport | |
153 import dwtx.jface.text.ITextViewerExtension4; // packageimport | |
154 import dwtx.jface.text.ITypedRegion; // packageimport | |
155 | |
156 | |
129 | 157 import dwt.dwthelper.utils; |
158 | |
159 import dwtx.text.edits.CopyTargetEdit; | |
160 import dwtx.text.edits.DeleteEdit; | |
161 import dwtx.text.edits.InsertEdit; | |
162 import dwtx.text.edits.MalformedTreeException; | |
163 import dwtx.text.edits.MoveTargetEdit; | |
164 import dwtx.text.edits.ReplaceEdit; | |
165 import dwtx.text.edits.TextEdit; | |
166 import dwtx.text.edits.TextEditProcessor; | |
167 import dwtx.text.edits.TextEditVisitor; | |
168 import dwtx.text.edits.UndoEdit; | |
169 | |
170 /** | |
171 * A text edit processor that brackets the application of edits into a document rewrite session. | |
140
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172 * |
129 | 173 * @since 3.3 |
174 */ | |
175 public final class RewriteSessionEditProcessor : TextEditProcessor { | |
176 /** The threshold for <em>large</em> text edits. */ | |
177 private static final int THRESHOLD= 1000; | |
178 | |
179 /** | |
180 * Text edit visitor that estimates the compound size of an edit tree in characters. | |
181 */ | |
182 private static final class SizeVisitor : TextEditVisitor { | |
183 int fSize= 0; | |
184 | |
185 public bool visit(CopyTargetEdit edit) { | |
186 fSize += edit.getLength(); | |
187 return super.visit(edit); | |
188 } | |
189 | |
190 public bool visit(DeleteEdit edit) { | |
191 fSize += edit.getLength(); | |
192 return super.visit(edit); | |
193 } | |
194 | |
195 public bool visit(InsertEdit edit) { | |
196 fSize += edit.getText().length(); | |
197 return super.visit(edit); | |
198 } | |
199 | |
200 public bool visit(MoveTargetEdit edit) { | |
201 fSize += edit.getLength(); | |
202 return super.visit(edit); | |
203 } | |
204 | |
205 public bool visit(ReplaceEdit edit) { | |
206 fSize += Math.max(edit.getLength(), edit.getText().length()); | |
207 return super.visit(edit); | |
208 } | |
209 } | |
210 | |
211 /** | |
212 * Constructs a new edit processor for the given document. | |
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213 * |
129 | 214 * @param document the document to manipulate |
215 * @param root the root of the text edit tree describing the modifications. By passing a text | |
216 * edit a a text edit processor the ownership of the edit is transfered to the text edit | |
217 * processors. Clients must not modify the edit (e.g adding new children) any longer. | |
218 * @param style {@link TextEdit#NONE}, {@link TextEdit#CREATE_UNDO} or | |
219 * {@link TextEdit#UPDATE_REGIONS}) | |
220 */ | |
133
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221 public this(IDocument document, TextEdit root, int style) { |
129 | 222 super(document, root, style); |
223 } | |
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224 |
129 | 225 /* |
226 * @see dwtx.text.edits.TextEditProcessor#performEdits() | |
227 */ | |
140
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228 public UndoEdit performEdits() { |
129 | 229 IDocument document= getDocument(); |
138 | 230 if (!( cast(IDocumentExtension4)document )) |
129 | 231 return super.performEdits(); |
232 | |
134 | 233 IDocumentExtension4 extension= cast(IDocumentExtension4) document; |
129 | 234 bool isLargeEdit= isLargeEdit(getRoot()); |
235 DocumentRewriteSessionType type= isLargeEdit ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL; | |
236 | |
237 DocumentRewriteSession session= extension.startRewriteSession(type); | |
238 try { | |
239 return super.performEdits(); | |
240 } finally { | |
241 extension.stopRewriteSession(session); | |
242 } | |
243 } | |
244 | |
245 /** | |
246 * Returns <code>true</code> if the passed edit is considered <em>large</em>, | |
247 * <code>false</code> otherwise. | |
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26688fec6d23
Following dsss compile errors
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parents:
138
diff
changeset
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248 * |
129 | 249 * @param edit the edit to check |
250 * @return <code>true</code> if <code>edit</code> is considered <em>large</em>, | |
251 * <code>false</code> otherwise | |
252 * @since 3.3 | |
253 */ | |
254 public static bool isLargeEdit(TextEdit edit) { | |
255 SizeVisitor sizeVisitor= new SizeVisitor(); | |
256 edit.accept(sizeVisitor); | |
257 return sizeVisitor.fSize > THRESHOLD; | |
258 } | |
259 | |
260 } |