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diff --git a/kalzium/src/kalziumdataobject.h b/kalzium/src/kalziumdataobject.h
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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