зеркало из https://github.com/mozilla/pjs.git
76 строки
2.0 KiB
C
76 строки
2.0 KiB
C
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
||
|
|
*
|
||
|
|
* The contents of this file are subject to the Netscape Public License
|
||
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
||
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
||
|
|
* http://www.mozilla.org/NPL/
|
||
|
|
*
|
||
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||
|
|
* for the specific language governing rights and limitations under the
|
||
|
|
* NPL.
|
||
|
|
*
|
||
|
|
* The Initial Developer of this code under the NPL is Netscape
|
||
|
|
* Communications Corporation. Portions created by Netscape are
|
||
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||
|
|
* Reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SplitElementTxn_h__
|
||
|
|
#define SplitElementTxn_h__
|
||
|
|
|
||
|
|
#include "EditTxn.h"
|
||
|
|
|
||
|
|
class nsIDOMNode;
|
||
|
|
class nsIDOMElement;
|
||
|
|
class nsIDOMDocument;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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:
|
||
|
|
|
||
|
|
SplitElementTxn(nsEditor *aEditor,
|
||
|
|
nsIDOMNode *aNode,
|
||
|
|
PRInt32 aOffset);
|
||
|
|
|
||
|
|
virtual ~SplitElementTxn();
|
||
|
|
|
||
|
|
virtual nsresult Do(void);
|
||
|
|
|
||
|
|
virtual nsresult Undo(void);
|
||
|
|
|
||
|
|
virtual nsresult Redo(void);
|
||
|
|
|
||
|
|
virtual nsresult GetIsTransient(PRBool *aIsTransient);
|
||
|
|
|
||
|
|
virtual nsresult Merge(PRBool *aDidMerge, nsITransaction *aTransaction);
|
||
|
|
|
||
|
|
virtual nsresult Write(nsIOutputStream *aOutputStream);
|
||
|
|
|
||
|
|
virtual nsresult GetUndoString(nsString **aString);
|
||
|
|
|
||
|
|
virtual nsresult GetRedoString(nsString **aString);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
/** the element to operate upon */
|
||
|
|
nsIDOMNode *mNode;
|
||
|
|
|
||
|
|
/** the offset into mElement where the children of mElement are split.<BR>
|
||
|
|
* mOffset is the index of the last child in the left node.
|
||
|
|
* -1 means the new node gets no children.
|
||
|
|
*/
|
||
|
|
PRInt32 mOffset;
|
||
|
|
|
||
|
|
/** the element we create when splitting mElement */
|
||
|
|
nsIDOMNode *mNewNode;
|
||
|
|
nsIDOMNode *mParent;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|