зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
2.9 KiB
C++
109 строки
2.9 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 1.1 (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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998-1999 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#ifndef CreateElementTxn_h__
|
|
#define CreateElementTxn_h__
|
|
|
|
#include "EditTxn.h"
|
|
#include "nsIEditor.h"
|
|
#include "nsIDOMNode.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
#define CREATE_ELEMENT_TXN_CID \
|
|
{/* 7a6393c0-ac48-11d2-86d8-000064657374 */ \
|
|
0x7a6393c0, 0xac48, 0x11d2, \
|
|
{0x86, 0xd8, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
|
|
|
|
/**
|
|
* A transaction that creates a new node in the content tree.
|
|
*/
|
|
class CreateElementTxn : public EditTxn
|
|
{
|
|
public:
|
|
|
|
static const nsIID& GetCID() { static nsIID iid = CREATE_ELEMENT_TXN_CID; return iid; }
|
|
|
|
enum { eAppend=-1 };
|
|
|
|
/** Initialize the transaction.
|
|
* @param aEditor the provider of basic editing functionality
|
|
* @param aTag the tag (P, HR, TABLE, etc.) for the new element
|
|
* @param aParent the node into which the new element will be inserted
|
|
* @param aOffsetInParent the location in aParent to insert the new element
|
|
* if eAppend, the new element is appended as the last child
|
|
*/
|
|
NS_IMETHOD Init(nsIEditor *aEditor,
|
|
const nsString& aTag,
|
|
nsIDOMNode *aParent,
|
|
PRUint32 aOffsetInParent);
|
|
|
|
private:
|
|
CreateElementTxn();
|
|
|
|
public:
|
|
|
|
virtual ~CreateElementTxn();
|
|
|
|
NS_IMETHOD Do(void);
|
|
|
|
NS_IMETHOD Undo(void);
|
|
|
|
NS_IMETHOD Redo(void);
|
|
|
|
NS_IMETHOD Merge(PRBool *aDidMerge, nsITransaction *aTransaction);
|
|
|
|
NS_IMETHOD Write(nsIOutputStream *aOutputStream);
|
|
|
|
NS_IMETHOD GetUndoString(nsString *aString);
|
|
|
|
NS_IMETHOD GetRedoString(nsString *aString);
|
|
|
|
NS_IMETHOD GetNewNode(nsIDOMNode **aNewNode);
|
|
|
|
enum { kTransactionID = 11140 };
|
|
|
|
protected:
|
|
|
|
/** the document into which the new node will be inserted */
|
|
nsIEditor* mEditor;
|
|
|
|
/** the tag (mapping to object type) for the new element */
|
|
nsString mTag;
|
|
|
|
/** the node into which the new node will be inserted */
|
|
nsCOMPtr<nsIDOMNode> mParent;
|
|
|
|
/** the index in mParent for the new node */
|
|
PRUint32 mOffsetInParent;
|
|
|
|
/** the new node to insert */
|
|
nsCOMPtr<nsIDOMNode> mNewNode;
|
|
|
|
/** the node we will insert mNewNode before. We compute this ourselves. */
|
|
nsCOMPtr<nsIDOMNode> mRefNode;
|
|
|
|
friend class TransactionFactory;
|
|
|
|
};
|
|
|
|
#endif
|