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 * Copyright 2008 by Sun Microsystems, Inc.
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 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: textundo.hxx,v $
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#ifndef _TEXTUNDO_HXX
#define _TEXTUNDO_HXX

#include <svtools/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 BOOL	Undo( USHORT nCount=1 );
    using SfxUndoManager::Redo;
	virtual BOOL	Redo( USHORT nCount=1 );

};

class TextUndo : public SfxUndoAction
{
private:
	USHORT 				mnId;
	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( USHORT nId, TextEngine* pTextEngine );
	virtual 			~TextUndo();

	TextEngine*			GetTextEngine() const	{ return mpTextEngine; }

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

	virtual XubString	GetComment() const;
	virtual USHORT		GetId() const;
};

#endif // _TEXTUNDO_HXX
