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67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef EditTxn_h__
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#define EditTxn_h__
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#include "nsITransaction.h"
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#include "nsCOMPtr.h"
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#define EDIT_TXN_CID \
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{/* c5ea31b0-ac48-11d2-86d8-000064657374 */ \
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0xc5ea31b0, 0xac48, 0x11d2, \
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{0x86, 0xd8, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
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/**
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* base class for all document editing transactions.
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* provides default concrete behavior for all nsITransaction methods.
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* EditTxns optionally have a name. This name is for internal purposes only,
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* it is never seen by the user or by any external entity.
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*/
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class EditTxn : public nsITransaction
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{
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public:
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static const nsIID& GetCID() { static nsIID iid = EDIT_TXN_CID; return iid; }
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NS_DECL_ISUPPORTS
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EditTxn();
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virtual ~EditTxn();
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NS_IMETHOD Do(void);
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NS_IMETHOD Undo(void);
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NS_IMETHOD Redo(void);
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NS_IMETHOD GetIsTransient(PRBool *aIsTransient);
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NS_IMETHOD Merge(PRBool *aDidMerge, nsITransaction *aTransaction);
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NS_IMETHOD Write(nsIOutputStream *aOutputStream);
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NS_IMETHOD GetUndoString(nsString *aString);
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NS_IMETHOD GetRedoString(nsString *aString);
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};
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#endif
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