зеркало из https://github.com/mozilla/pjs.git
112 строки
3.2 KiB
C
112 строки
3.2 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 InsertTableCell_h__
|
||
|
#define InsertTableCell_h__
|
||
|
|
||
|
#include "EditTxn.h"
|
||
|
#include "nsIEditor.h"
|
||
|
#include "nsIDOMCharacterData.h"
|
||
|
#include "nsCOMPtr.h"
|
||
|
|
||
|
|
||
|
#define INSERT_CELL_TXN_IID \
|
||
|
{/* 12D65E50-C6CA-11d2-9839-00805F8AA8B8*/ \
|
||
|
0x12d65e50, 0xc6ca, 0x11d2, \
|
||
|
{ 0x98, 0x39, 0x0, 0x80, 0x5f, 0x8a, 0xa8, 0xb8} }
|
||
|
|
||
|
class nsIPresShell;
|
||
|
|
||
|
/**
|
||
|
* A transaction that inserts Table into a content node.
|
||
|
*/
|
||
|
class InsertTableCellTxn : public EditTxn
|
||
|
{
|
||
|
public:
|
||
|
|
||
|
/** used to name aggregate transactions that consist only of a single InsertTableCellTxn,
|
||
|
* or a DeleteSelection followed by an InsertTableCellTxn.
|
||
|
*/
|
||
|
static nsIAtom *gInsertTableCellTxnName;
|
||
|
|
||
|
/** initialize the transaction
|
||
|
* @param aElement the current content node
|
||
|
* @param aOffset the location in aElement to do the insertion
|
||
|
* @param aNode the new Table to insert
|
||
|
* @param aPresShell used to get and set the selection
|
||
|
*/
|
||
|
virtual nsresult Init(nsIDOMCharacterData *aElement,
|
||
|
PRUint32 aOffset,
|
||
|
nsIDOMNode *aNode,
|
||
|
nsIPresShell* aPresShell);
|
||
|
|
||
|
private:
|
||
|
|
||
|
InsertTableCellTxn();
|
||
|
|
||
|
public:
|
||
|
|
||
|
virtual nsresult Do(void);
|
||
|
|
||
|
virtual nsresult Undo(void);
|
||
|
|
||
|
//virtual nsresult Merge(PRBool *aDidMerge, nsITransaction *aTransaction);
|
||
|
|
||
|
virtual nsresult Write(nsIOutputStream *aOutputStream);
|
||
|
|
||
|
virtual nsresult GetUndoString(nsString **aString);
|
||
|
|
||
|
virtual nsresult GetRedoString(nsString **aString);
|
||
|
|
||
|
// nsISupports declarations
|
||
|
|
||
|
// override QueryInterface to handle InsertTableCellTxn request
|
||
|
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
|
||
|
|
||
|
static const nsIID& IID() { static nsIID iid = INSERT_CELL_TXN_IID; return iid; }
|
||
|
|
||
|
|
||
|
/** return the string data associated with this transaction */
|
||
|
// virtual nsresult GetData(nsString& aResult);
|
||
|
|
||
|
/** must be called before any InsertTableCellTxn is instantiated */
|
||
|
static nsresult ClassInit();
|
||
|
|
||
|
protected:
|
||
|
|
||
|
// /* return PR_TRUE if aOtherTxn immediately follows this txn */
|
||
|
// virtual PRBool IsSequentialInsert(InsertTableCellTxn *aOtherTxn);
|
||
|
|
||
|
/** the element to operate upon */
|
||
|
nsCOMPtr<nsIDOMCharacterData> mElement;
|
||
|
|
||
|
/** the offset into mElement where the insertion is to take place */
|
||
|
PRUint32 mOffset;
|
||
|
|
||
|
/** the element to insert into mElement at mOffset */
|
||
|
nsIDOMNode *mNodeToInsert;
|
||
|
|
||
|
/** the presentation shell, which we'll need to get the selection */
|
||
|
nsIPresShell* mPresShell;
|
||
|
|
||
|
friend class TransactionFactory;
|
||
|
|
||
|
};
|
||
|
|
||
|
#endif
|