/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef SW_UNDO_FIELD_HXX
#define SW_UNDO_FIELD_HXX

#include <undobj.hxx>

#include <com/sun/star/uno/Any.h>


class SwDoc;
class SwField;
class SwMsgPoolItem;

class SwUndoField : public SwUndo
{
    sal_uLong nNodeIndex;
    xub_StrLen nOffset;

protected:
    SwDoc * pDoc;
    SwPosition GetPosition();

public:
    SwUndoField(const SwPosition & rPos, SwUndoId nId = UNDO_FIELD );
    virtual ~SwUndoField();
};

class SwUndoFieldFromDoc : public SwUndoField
{
    SwField * pOldField, * pNewField;
    SwMsgPoolItem * pHnt;
    sal_Bool bUpdate;

    void DoImpl();

public:
    SwUndoFieldFromDoc(const SwPosition & rPos, const SwField & aOldField,
                       const SwField & aNewField,
                       SwMsgPoolItem * pHnt, sal_Bool bUpdate,
                       SwUndoId nId = UNDO_FIELD );

    virtual ~SwUndoFieldFromDoc();

    virtual void UndoImpl( ::sw::UndoRedoContext & );
    virtual void RedoImpl( ::sw::UndoRedoContext & );
    virtual void RepeatImpl( ::sw::RepeatContext & );
};

class SwUndoFieldFromAPI : public SwUndoField
{
    com::sun::star::uno::Any aOldVal, aNewVal;
    sal_uInt16 nWhich;

    void DoImpl();

public:
    SwUndoFieldFromAPI(const SwPosition & rPos,
                       const com::sun::star::uno::Any & rOldVal,
                       const com::sun::star::uno::Any & rNewVal,
                       sal_uInt16 nWhich);
    virtual ~SwUndoFieldFromAPI();

    virtual void UndoImpl( ::sw::UndoRedoContext & );
    virtual void RedoImpl( ::sw::UndoRedoContext & );
    virtual void RepeatImpl( ::sw::RepeatContext & );
};

#endif // SW_UNDO_FIELD_HXX