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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef _TEXTUNDO_HXX
#define _TEXTUNDO_HXX

#include <svl/undo.hxx>

class TextEngine;

class TextUndoManager : public SfxUndoManager
{
	TextEngine*		mpTextEngine;

protected:

	void			UndoRedoStart();
	void			UndoRedoEnd();

	TextView*		GetView() const { return mpTextEngine->GetActiveView(); }

public:
					TextUndoManager( TextEngine* pTextEngine );
					~TextUndoManager();

    using SfxUndoManager::Undo;
	virtual sal_Bool Undo();
    using SfxUndoManager::Redo;
	virtual sal_Bool Redo();

};

class TextUndo : public SfxUndoAction
{
private:
	TextEngine*			mpTextEngine;

protected:

	TextView*			GetView() const { return mpTextEngine->GetActiveView(); }
	void				SetSelection( const TextSelection& rSel );

	TextDoc*			GetDoc() const { return mpTextEngine->mpDoc; }
	TEParaPortions*		GetTEParaPortions() const { return mpTextEngine->mpTEParaPortions; }

public:
						TYPEINFO();
						TextUndo( TextEngine* pTextEngine );
	virtual 			~TextUndo();

	TextEngine*			GetTextEngine() const	{ return mpTextEngine; }

	virtual void		Undo() 		= 0;
	virtual void		Redo()		= 0;

	virtual XubString	GetComment() const;
};

#endif // _TEXTUNDO_HXX
