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#ifndef KALZIUMDATAOBJECT_H
#define KALZIUMDATAOBJECT_H
/***************************************************************************
 *   Copyright (C) 2005 by Carsten Niehaus                                 *
 *   cniehaus@kde.org                                                      *
 *                                                                         *
 *   This program 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.                                   *
 *                                                                         *
 *   This program 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.          *
 ***************************************************************************/

#include "element.h"

/**
 * @short This class contains all Element objects
 *
 * This singleton class collects all the information about the elements of the
 * Periodic Table as list of Element (QValueList<Element*>).
 * Use:
 * @code
 * KalziumDataObject::instance()->ElementList;
 * @endcode
 * to get the whole list of Element, while a
 * @code
 * KalziumDataObject::instance()->element( num );
 * @endcode
 * will return you the pointer to the num'th element of the Periodic Table.
 *
 * @author Carsten Niehaus
 */
class KalziumDataObject
{
	public:
		/**
		 * @return the instance of this class
		 */
		static KalziumDataObject* instance();

		/**
		 * The list of elements in a QValueList<Element*>
		 */
		EList ElementList;
		
		CList CoordinateList;

		/**
		 * @return the Element with the number @p number
		 * @param number the number of the Element which will be returned
		 */
		Element* element( int number );

		/**
		 * @return the number of elements we have
		 */
		int numberOfElements() const { return m_numOfElements; }

	private:
		KalziumDataObject();
		~KalziumDataObject();

		EList readData( QDomDocument &dataDocument );

		/**
		 * Caching the number of elements
		 */
		int m_numOfElements;
};
#endif // KALZIUMDATAOBJECT_H