зеркало из https://github.com/mozilla/pjs.git
97 строки
3.3 KiB
C++
97 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998-1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef SplitElementTxn_h__
|
|
#define SplitElementTxn_h__
|
|
|
|
#include "EditTxn.h"
|
|
#include "nsIDOMNode.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIEditor.h"
|
|
|
|
class nsEditor;
|
|
|
|
/**
|
|
* A transaction that splits an element E into two identical nodes, E1 and E2
|
|
* with the children of E divided between E1 and E2.
|
|
*/
|
|
class SplitElementTxn : public EditTxn
|
|
{
|
|
public:
|
|
/** initialize the transaction.
|
|
* @param aEditor the provider of core editing operations
|
|
* @param aNode the node to split
|
|
* @param aOffset the location within aNode to do the split.
|
|
* aOffset may refer to children of aNode, or content of aNode.
|
|
* The left node will have child|content 0..aOffset-1.
|
|
*/
|
|
NS_IMETHOD Init (nsEditor *aEditor,
|
|
nsIDOMNode *aNode,
|
|
PRInt32 aOffset);
|
|
|
|
SplitElementTxn();
|
|
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SplitElementTxn, EditTxn)
|
|
|
|
NS_DECL_EDITTXN
|
|
|
|
NS_IMETHOD RedoTransaction(void);
|
|
|
|
NS_IMETHOD GetNewNode(nsIDOMNode **aNewNode);
|
|
|
|
protected:
|
|
|
|
/** the element to operate upon */
|
|
nsCOMPtr<nsIDOMNode> mExistingRightNode;
|
|
|
|
/** the offset into mElement where the children of mElement are split.<BR>
|
|
* mOffset is the index of the first child in the right node.
|
|
* -1 means the new node gets no children.
|
|
*/
|
|
PRInt32 mOffset;
|
|
|
|
/** the element we create when splitting mElement */
|
|
nsCOMPtr<nsIDOMNode> mNewLeftNode;
|
|
|
|
/** the parent shared by mExistingRightNode and mNewLeftNode */
|
|
nsCOMPtr<nsIDOMNode> mParent;
|
|
nsEditor* mEditor;
|
|
};
|
|
|
|
#endif
|