Mercurial > projects > dwt-addons
annotate dwtx/text/edits/UndoEdit.d @ 153:f70d9508c95c
Fix java Collection imports
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 25 Aug 2008 00:27:31 +0200 |
| parents | 6dcb0baaa031 |
| children |
| 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.text.edits.UndoEdit; | |
| 14 | |
| 131 | 15 import dwtx.text.edits.MultiTextEdit; // packageimport |
| 16 import dwtx.text.edits.CopySourceEdit; // packageimport | |
| 17 import dwtx.text.edits.MoveSourceEdit; // packageimport | |
| 18 import dwtx.text.edits.CopyingRangeMarker; // packageimport | |
| 19 import dwtx.text.edits.ReplaceEdit; // packageimport | |
| 20 import dwtx.text.edits.EditDocument; // packageimport | |
| 21 import dwtx.text.edits.UndoCollector; // packageimport | |
| 22 import dwtx.text.edits.DeleteEdit; // packageimport | |
| 23 import dwtx.text.edits.MoveTargetEdit; // packageimport | |
| 24 import dwtx.text.edits.CopyTargetEdit; // packageimport | |
| 25 import dwtx.text.edits.TextEditCopier; // packageimport | |
| 26 import dwtx.text.edits.ISourceModifier; // packageimport | |
| 27 import dwtx.text.edits.TextEditMessages; // packageimport | |
| 28 import dwtx.text.edits.TextEditProcessor; // packageimport | |
| 29 import dwtx.text.edits.MalformedTreeException; // packageimport | |
| 30 import dwtx.text.edits.TreeIterationInfo; // packageimport | |
| 31 import dwtx.text.edits.TextEditVisitor; // packageimport | |
| 32 import dwtx.text.edits.TextEditGroup; // packageimport | |
| 33 import dwtx.text.edits.TextEdit; // packageimport | |
| 34 import dwtx.text.edits.RangeMarker; // packageimport | |
| 35 import dwtx.text.edits.InsertEdit; // packageimport | |
| 36 | |
| 37 | |
| 129 | 38 import dwt.dwthelper.utils; |
| 39 | |
|
153
f70d9508c95c
Fix java Collection imports
Frank Benoit <benoit@tionex.de>
parents:
136
diff
changeset
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40 import dwtx.dwtxhelper.Collection; |
|
f70d9508c95c
Fix java Collection imports
Frank Benoit <benoit@tionex.de>
parents:
136
diff
changeset
|
41 |
| 129 | 42 |
| 43 import dwtx.jface.text.BadLocationException; | |
| 44 import dwtx.jface.text.IDocument; | |
| 45 | |
| 46 | |
| 47 /** | |
| 48 * This class encapsulates the reverse changes of an executed text | |
| 49 * edit tree. To apply an undo memento to a document use method | |
| 50 * <code>apply(IDocument)</code>. | |
| 51 * <p> | |
| 52 * Clients can't add additional children to an undo edit nor can they | |
| 53 * add an undo edit as a child to another edit. Doing so results in | |
| 54 * both cases in a <code>MalformedTreeException<code>. | |
| 55 * | |
| 56 * @since 3.0 | |
| 57 * @noinstantiate This class is not intended to be instantiated by clients. | |
| 58 */ | |
| 59 public final class UndoEdit : TextEdit { | |
| 60 | |
| 130 | 61 this() { |
| 129 | 62 super(0, Integer.MAX_VALUE); |
| 63 } | |
| 64 | |
| 130 | 65 private this(UndoEdit other) { |
| 129 | 66 super(other); |
| 67 } | |
| 68 | |
| 69 /* | |
| 70 * @see dwtx.text.edits.TextEdit#internalAdd(dwtx.text.edits.TextEdit) | |
| 71 */ | |
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136
6dcb0baaa031
Regex removal of throws decls, some instanceof
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
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72 void internalAdd(TextEdit child) { |
| 129 | 73 throw new MalformedTreeException(null, this, TextEditMessages.getString("UndoEdit.no_children")); //$NON-NLS-1$ |
| 74 } | |
| 75 | |
| 76 /* | |
| 77 * @see dwtx.text.edits.MultiTextEdit#aboutToBeAdded(dwtx.text.edits.TextEdit) | |
| 78 */ | |
| 79 void aboutToBeAdded(TextEdit parent) { | |
| 80 throw new MalformedTreeException(parent, this, TextEditMessages.getString("UndoEdit.can_not_be_added")); //$NON-NLS-1$ | |
| 81 } | |
| 82 | |
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diff
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83 UndoEdit dispatchPerformEdits(TextEditProcessor processor) { |
| 129 | 84 return processor.executeUndo(); |
| 85 } | |
| 86 | |
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parents:
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diff
changeset
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87 void dispatchCheckIntegrity(TextEditProcessor processor) { |
| 129 | 88 processor.checkIntegrityUndo(); |
| 89 } | |
| 90 | |
| 91 /* | |
| 92 * @see dwtx.text.edits.TextEdit#doCopy() | |
| 93 */ | |
| 94 protected TextEdit doCopy() { | |
| 95 return new UndoEdit(this); | |
| 96 } | |
| 97 | |
| 98 /* | |
| 99 * @see TextEdit#accept0 | |
| 100 */ | |
| 101 protected void accept0(TextEditVisitor visitor) { | |
| 102 bool visitChildren= visitor.visit(this); | |
| 103 if (visitChildren) { | |
| 104 acceptChildren(visitor); | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 /* | |
| 109 * @see TextEdit#performDocumentUpdating | |
| 110 */ | |
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6dcb0baaa031
Regex removal of throws decls, some instanceof
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
111 int performDocumentUpdating(IDocument document) { |
| 129 | 112 fDelta= 0; |
| 113 return fDelta; | |
| 114 } | |
| 115 | |
| 116 void add(ReplaceEdit edit) { | |
| 117 List children= internalGetChildren(); | |
| 118 if (children is null) { | |
| 119 children= new ArrayList(2); | |
| 120 internalSetChildren(children); | |
| 121 } | |
| 122 children.add(edit); | |
| 123 } | |
| 124 | |
| 125 void defineRegion(int offset, int length) { | |
| 126 internalSetOffset(offset); | |
| 127 internalSetLength(length); | |
| 128 } | |
| 129 | |
| 130 bool deleteChildren() { | |
| 131 return false; | |
| 132 } | |
| 133 } | |
| 134 |