//------------------------------------------------------------------------------
//
// This file is part of Toolkit for Conceptual Modeling (TCM).
// (c) copyright 1996, Vrije Universiteit Amsterdam.
// Author: Frank Dehne (frank@cs.vu.nl).
//
// TCM is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// TCM is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with TCM; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//-----------------------------------------------------------------------------
#ifndef _DELETECELLSCMD_H
#define _DELETECELLSCMD_H

#include "command.h"
class TableViewer;
class Table;
class CellRow;
class CellColumn;

/// abstract delete cells from table command.
class DeleteCellsCmd: public Command {
/*@Doc: {\large {\bf scope:} table} */
public:
	///
	DeleteCellsCmd(Table *t, TableViewer *v);
	///
	virtual ~DeleteCellsCmd();
	///
	void Execute();
	///
	void UnExecute();
	///
	const char *GetName() const {return "delete cells";}
protected:
	///
	List<CellRow *> *GetRows() const {return rows;}
	///
	List<CellColumn *> *GetColumns() const {return columns;}
	///
	TableViewer *GetTableViewer() const {return tviewer;}
private:
	///
	List<CellRow *> *rows;
	///
	List<CellColumn *> *columns;
	///
	TableViewer *tviewer;
	///
	virtual void DetermineRows() {}
	///
	virtual void DetermineColumns() {}
};
#endif