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#ifndef SW_UNDO_PAGE_DESC_HXX
#define SW_UNDO_PAGE_DESC_HXX

#include <undobj.hxx>
#include <pagedesc.hxx>

class SwDoc;
class SwPageDesc;


class SwUndoPageDesc : public SwUndo
{
    SwPageDescExt aOld, aNew;
    SwDoc * pDoc;
    bool bExchange;

    // To avoid duplication of (header/footer)content nodes for simple page desc changes 
    void ExchangeContentNodes( SwPageDesc& rSource, SwPageDesc &rDest ); 

public:
    SwUndoPageDesc(const SwPageDesc & aOld, const SwPageDesc & aNew,
                   SwDoc * pDoc);
    virtual ~SwUndoPageDesc();

    virtual void UndoImpl( ::sw::UndoRedoContext & );
    virtual void RedoImpl( ::sw::UndoRedoContext & );

    virtual SwRewriter GetRewriter() const;
};

class SwUndoPageDescCreate : public SwUndo
{
    const SwPageDesc * pDesc;
    SwPageDescExt aNew;
    SwDoc * pDoc;

    void DoImpl();

public:
    SwUndoPageDescCreate(const SwPageDesc * pNew, SwDoc * pDoc);
    virtual ~SwUndoPageDescCreate();

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

    virtual SwRewriter GetRewriter() const;
};

class SwUndoPageDescDelete : public SwUndo
{
    SwPageDescExt aOld;
    SwDoc * pDoc;

    void DoImpl();

public:
    SwUndoPageDescDelete(const SwPageDesc & aOld, SwDoc * pDoc);
    virtual ~SwUndoPageDescDelete();

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

    virtual SwRewriter GetRewriter() const;
};
#endif // _SW_UNDO_PAGE_DESC_CHANGE_HXX

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