Mercurial > projects > dwt-addons
view dwtx/text/edits/UndoEdit.d @ 133:7d818bd32d63
Fix ctors to this with gvim regexp
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 24 Aug 2008 01:29:22 +0200 |
parents | c4fb132a086c |
children | 6dcb0baaa031 |
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/******************************************************************************* * Copyright (c) 2000, 2008 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.text.edits.UndoEdit; import dwtx.text.edits.MultiTextEdit; // packageimport import dwtx.text.edits.CopySourceEdit; // packageimport import dwtx.text.edits.MoveSourceEdit; // packageimport import dwtx.text.edits.CopyingRangeMarker; // packageimport import dwtx.text.edits.ReplaceEdit; // packageimport import dwtx.text.edits.EditDocument; // packageimport import dwtx.text.edits.UndoCollector; // packageimport import dwtx.text.edits.DeleteEdit; // packageimport import dwtx.text.edits.MoveTargetEdit; // packageimport import dwtx.text.edits.CopyTargetEdit; // packageimport import dwtx.text.edits.TextEditCopier; // packageimport import dwtx.text.edits.ISourceModifier; // packageimport import dwtx.text.edits.TextEditMessages; // packageimport import dwtx.text.edits.TextEditProcessor; // packageimport import dwtx.text.edits.MalformedTreeException; // packageimport import dwtx.text.edits.TreeIterationInfo; // packageimport import dwtx.text.edits.TextEditVisitor; // packageimport import dwtx.text.edits.TextEditGroup; // packageimport import dwtx.text.edits.TextEdit; // packageimport import dwtx.text.edits.RangeMarker; // packageimport import dwtx.text.edits.InsertEdit; // packageimport import dwt.dwthelper.utils; import java.util.ArrayList; import java.util.List; import dwtx.jface.text.BadLocationException; import dwtx.jface.text.IDocument; /** * This class encapsulates the reverse changes of an executed text * edit tree. To apply an undo memento to a document use method * <code>apply(IDocument)</code>. * <p> * Clients can't add additional children to an undo edit nor can they * add an undo edit as a child to another edit. Doing so results in * both cases in a <code>MalformedTreeException<code>. * * @since 3.0 * @noinstantiate This class is not intended to be instantiated by clients. */ public final class UndoEdit : TextEdit { this() { super(0, Integer.MAX_VALUE); } private this(UndoEdit other) { super(other); } /* * @see dwtx.text.edits.TextEdit#internalAdd(dwtx.text.edits.TextEdit) */ void internalAdd(TextEdit child) throws MalformedTreeException { throw new MalformedTreeException(null, this, TextEditMessages.getString("UndoEdit.no_children")); //$NON-NLS-1$ } /* * @see dwtx.text.edits.MultiTextEdit#aboutToBeAdded(dwtx.text.edits.TextEdit) */ void aboutToBeAdded(TextEdit parent) { throw new MalformedTreeException(parent, this, TextEditMessages.getString("UndoEdit.can_not_be_added")); //$NON-NLS-1$ } UndoEdit dispatchPerformEdits(TextEditProcessor processor) throws BadLocationException { return processor.executeUndo(); } void dispatchCheckIntegrity(TextEditProcessor processor) throws MalformedTreeException { processor.checkIntegrityUndo(); } /* * @see dwtx.text.edits.TextEdit#doCopy() */ protected TextEdit doCopy() { return new UndoEdit(this); } /* * @see TextEdit#accept0 */ protected void accept0(TextEditVisitor visitor) { bool visitChildren= visitor.visit(this); if (visitChildren) { acceptChildren(visitor); } } /* * @see TextEdit#performDocumentUpdating */ int performDocumentUpdating(IDocument document) throws BadLocationException { fDelta= 0; return fDelta; } void add(ReplaceEdit edit) { List children= internalGetChildren(); if (children is null) { children= new ArrayList(2); internalSetChildren(children); } children.add(edit); } void defineRegion(int offset, int length) { internalSetOffset(offset); internalSetLength(length); } bool deleteChildren() { return false; } }