/* -*- 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 InsertElementTxn_h__ #define InsertElementTxn_h__ #include "EditTxn.h" #include "nsIEditor.h" #include "nsIDOMNode.h" #include "nsCOMPtr.h" #define INSERT_ELEMENT_TXN_IID \ {/* b5762440-cbb0-11d2-86db-000064657374 */ \ 0xb5762440, 0xcbb0, 0x11d2, \ {0x86, 0xdb, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} } /** * A transaction that inserts a single element */ class InsertElementTxn : public EditTxn { public: /** initialize the transaction. * @param aNode the node to insert * @param aParent the node to insert into * @param aOffset the offset in aParent to insert aNode */ NS_IMETHOD Init(nsIDOMNode *aNode, nsIDOMNode *aParent, PRInt32 aOffset, nsIEditor *aEditor); private: InsertElementTxn(); public: virtual ~InsertElementTxn(); NS_IMETHOD Do(void); NS_IMETHOD Undo(void); NS_IMETHOD Merge(PRBool *aDidMerge, nsITransaction *aTransaction); NS_IMETHOD Write(nsIOutputStream *aOutputStream); NS_IMETHOD GetUndoString(nsString **aString); NS_IMETHOD GetRedoString(nsString **aString); protected: /** the element to delete */ nsCOMPtr mNode; /** the node into which the new node will be inserted */ nsCOMPtr mParent; /** the editor for this transaction */ nsCOMPtr mEditor; /** the index in mParent for the new node */ PRInt32 mOffset; friend class TransactionFactory; }; #endif