mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-26 14:22:01 +00:00
119 lines
3.9 KiB
C++
119 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* 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 the Initial Developer are Copyright (C) 1998-1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the NPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef ChangeAttributeTxn_h__
|
|
#define ChangeAttributeTxn_h__
|
|
|
|
#include "EditTxn.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIDOMElement.h"
|
|
#include "nsIEditor.h"
|
|
|
|
#define CHANGE_ATTRIBUTE_TXN_CID \
|
|
{/* 97818860-ac48-11d2-86d8-000064657374 */ \
|
|
0x97818860, 0xac48, 0x11d2, \
|
|
{0x86, 0xd8, 0x0, 0x0, 0x64, 0x65, 0x73, 0x74} }
|
|
|
|
/**
|
|
* A transaction that changes an attribute of a content node.
|
|
* This transaction covers add, remove, and change attribute.
|
|
*/
|
|
class ChangeAttributeTxn : public EditTxn
|
|
{
|
|
public:
|
|
|
|
static const nsIID& GetCID() { static nsIID iid = CHANGE_ATTRIBUTE_TXN_CID; return iid; }
|
|
|
|
virtual ~ChangeAttributeTxn();
|
|
|
|
/** Initialize the transaction.
|
|
* @param aEditor the object providing core editing operations
|
|
* @param aNode the node whose attribute will be changed
|
|
* @param aAttribute the name of the attribute to change
|
|
* @param aValue the new value for aAttribute, if aRemoveAttribute is false
|
|
* @param aRemoveAttribute if PR_TRUE, remove aAttribute from aNode
|
|
*/
|
|
NS_IMETHOD Init(nsIEditor *aEditor,
|
|
nsIDOMElement *aNode,
|
|
const nsAReadableString& aAttribute,
|
|
const nsAReadableString& aValue,
|
|
PRBool aRemoveAttribute);
|
|
|
|
private:
|
|
ChangeAttributeTxn();
|
|
|
|
public:
|
|
|
|
NS_IMETHOD DoTransaction(void);
|
|
|
|
NS_IMETHOD UndoTransaction(void);
|
|
|
|
NS_IMETHOD RedoTransaction(void);
|
|
|
|
NS_IMETHOD Merge(nsITransaction *aTransaction, PRBool *aDidMerge);
|
|
|
|
NS_IMETHOD GetTxnDescription(nsAWritableString& aTxnDescription);
|
|
|
|
protected:
|
|
|
|
/** the editor that created this transaction */
|
|
nsIEditor* mEditor;
|
|
|
|
/** the element to operate upon */
|
|
nsCOMPtr<nsIDOMElement> mElement;
|
|
|
|
/** the attribute to change */
|
|
nsString mAttribute;
|
|
|
|
/** the value to set the attribute to (ignored if mRemoveAttribute==PR_TRUE) */
|
|
nsString mValue;
|
|
|
|
/** the value to set the attribute to for undo */
|
|
nsString mUndoValue;
|
|
|
|
/** PR_TRUE if the mAttribute was set on mElement at the time of execution */
|
|
PRBool mAttributeWasSet;
|
|
|
|
/** PR_TRUE if the operation is to remove mAttribute from mElement */
|
|
PRBool mRemoveAttribute;
|
|
|
|
friend class TransactionFactory;
|
|
};
|
|
|
|
#endif
|