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#ifndef _SW_UNDO_FIELD_HXX
#define _SW_UNDO_FIELD_HXX

#include <undobj.hxx>

class SwDoc;
class SwField;
class SwMsgPoolItem;

class SwUndoField : public SwUndo
{
    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;
    BOOL bUpdate;

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

    virtual void Undo(SwUndoIter & rIt);
    virtual void Redo(SwUndoIter & rIt);
    virtual void Repeat(SwUndoIter & rIt);
};

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

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

    virtual void Undo(SwUndoIter & rIt);
    virtual void Redo(SwUndoIter & rIt);
    virtual void Repeat(SwUndoIter & rIt);
};

#endif // _SW_UNDO_FIELD_HXX

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