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+/***************************************************************************
+ *   Copyright (C) 2003, 2004, 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.          *
+ ***************************************************************************/
+#ifndef ELEMENT_H
+#define ELEMENT_H
+
+#define ELEMENTSIZE 40
+
+#include <qcolor.h>
+#include <qvaluelist.h>
+
+class Element;
+class QDomDocument;
+class QPainter;
+class QPoint;
+class QFont;
+class QRect;
+class Spectrum;
+class Isotope;
+
+struct coordinate;
+
+typedef QValueList<Element*> EList;
+typedef QValueList<coordinate> CList;
+typedef QValueList<double> doubleList;
+
+struct coordinate{
+	int x;
+	int y;
+};
+
+/**
+ * In this class all information about an element are stored. This means that
+ * both the chemical date and the data about the position are stored
+ * in this class.
+ * @short This class is the represention of a chemical element
+ * @author Carsten Niehaus
+*/
+class Element{
+	public:
+		Element();
+
+		virtual ~Element();
+
+		/**
+		 * @returns a pointer to the istope with @p numberOfNucleons
+		 * nucleons
+		 */
+		Isotope* isotopeByNucleons( int numberOfNucleons );
+		
+		enum RADIUSTYPE
+		{
+			ATOMIC = 0,
+			IONIC,
+			VDW, //van der Waals radius
+			COVALENT
+		};
+
+		/**
+		 * @return the number of the element
+		 */
+		int number() const {
+			return m_number;
+		}
+
+		/**
+		 * @return if the Element is radioactive
+		 */
+		bool radioactive() const{
+			return m_radioactive;
+		}
+		
+		/**
+		 * @return if the Element is artificial
+		 */
+		bool artificial() const{
+			return m_artificial;
+		}
+
+		/**
+		 * @return the information where the name of the Element comes from
+		 */
+		QString nameOrigin() const{
+			return m_origin;
+		}
+
+		QString orbits() const{
+			return m_orbits;
+		}
+		
+		void setMass( double value ) { m_mass = value; }
+		void setEN( double value ) { m_EN = value; }
+		void setEA( double value ) { m_EA = value; }
+		void setMeltingpoint( double value ) { m_MP = value; }
+		void setBoilingpoint( double value ) { m_BP = value; }
+
+		/**
+		 * sets the density of the Element
+		 * @param value the density of the Element
+		 */
+		void setDensity( double value ) { m_Density = value; }
+
+		/**
+		 * set the radius of the radiustype @p type to the value @p value.
+		 * The ionicradius also has a name @p name. This will store the charge of
+		 * the ion (for example, +2 or -3 )
+		 */
+		void setRadius( RADIUSTYPE type, double value, const QString& name = 0 );
+		
+		void setDate( int date ) { m_date = date; }
+		void setPeriod( int period ){ m_period = period; }
+		void setBiologicalMeaning( int value ) { m_biological = value; }
+		void setNumber( int num ){ m_number = num; }
+
+		/**
+		 * set the abundance in crustal rocks [pm]
+		 * @param abundance the abundace in crustal rocks
+		 */
+		void setAbundance( int abundance ){ m_abundance = abundance; }
+
+		void setScientist( const QString& value ) { m_scientist = value; }
+		void setCrysatalstructure( const QString& value ) { m_crystalstructure = value; }
+		void setName( const QString& value ) { m_name = value; }
+		void setOrigin( const QString& value ) { m_origin = value; }
+		void setBlock( const QString& value ) { m_block = value; }
+		void setGroup( const QString& value ) { m_group = value; }
+		void setFamily( const QString& value ) { m_family = value; }
+		void setOrbits( const QString& value ) { m_orbits = value; }
+		void setSymbol( const QString& value ) { m_symbol = value; }
+		void setOxydation( const QString& value ) { m_oxstage = value; }
+		void setAcidicbehaviour( const QString& value ) { m_acidbeh = value; }
+		void setIsotopes( const QString& value ) { m_isotopes = value; }
+		
+		void setArtificial(){ m_artificial = true; }
+		void setRadioactive(){ m_radioactive = true; }
+		
+		void setIonisationList( doubleList l ){ m_ionenergies = l; }
+
+		QValueList<Isotope*> isotopes() const{
+			return m_isotopeList;
+        }
+
+		QValueList<double> spectrumList() const{
+			return m_spectrumList;
+		}
+
+		void setIsotopeList( QValueList<Isotope*> list ){
+			m_isotopeList = list;
+		}
+
+		/**
+		 * sets the Spectrum of the Element
+		 * @param spec the Spectrum of the Element
+		 */
+		void setSpectrum( Spectrum *spec ){
+			m_spectrum = spec;
+		}
+
+		/**
+		 * @return if the element has information about spectra
+		 */
+		bool hasSpectrum() const{
+			return m_hasSpectrum;
+		}
+
+		/**
+		 * define if the element has a known Spectrum
+		 * @param value if true, the Element has a Spectrum
+		 */
+		void setHasSepctrum(bool value){
+			m_hasSpectrum = value;
+		}
+
+		/**
+		 * @return the Spectrum of the element
+		 */
+		Spectrum* spectrum() const{
+			return m_spectrum;
+		}
+
+		doubleList ionisationList() const{
+			return m_ionenergies;
+		}
+		
+		/**
+		 * @return the date of discovery of the element
+		 */
+		int date() const {
+			return m_date; 
+		}
+
+		/**
+		 * return the correct color of the element at the
+		 * temperature @p temp
+		 */
+		QColor currentColor( const double temp );
+    
+		/**
+		 * mutator for the element's color
+		 */
+		void setElementColor( const QColor &c ) { m_Color = c; }
+		
+		/**
+		 * @return the importance of the element for biological
+		 * systems.
+		 * @li 0: blah
+		 * @li 1: blub
+		 * @li 2: blub
+		 * @li 3: blub
+		 * @li 4: blub
+		 * @li 5: blub
+		 * @li 6: blub
+		 */
+		int biological() const {
+			return m_biological;
+		}
+
+		/**
+		 * @return the abundance in crustal rocks in parts per million
+		 */
+		int abundance() const {
+			return m_abundance;
+		}
+		
+		/**
+		 * @return the symbol of the element
+		 */
+		QString symbol() const {
+			return m_symbol;
+		}
+
+		/**
+		 * @return the scientist who discovered the element
+		 */
+		QString scientist() const{
+			return m_scientist;
+		}
+
+		/**
+		 * @return the crystal structure of the element
+		 */
+		QString crystalstructure() const{
+			return m_crystalstructure;
+		}
+		
+		/**
+		 * @return the name of the element
+		 */
+		QString elname() const {
+			return m_name;
+		}
+
+		//FIXME I need to add a way to have more than one ionic radius
+		QString ioncharge() const{
+			return m_ionvalue;
+		}
+		
+		/**
+		 * @return the chemical block (s, p, d, f) of the element
+		 */
+		QString block() const {
+			return m_block;
+		}
+		
+		/**
+		 * @return the group of the element
+		 */
+		QString group() const {
+			return m_group;
+		}
+		
+		int period() const {
+			return m_period;
+		}
+
+		QString family() const {
+			return m_family;
+		}
+		
+		/**
+		 * @return the acidic behavior of the element
+		 */
+		QString acidicbeh() const {
+			return m_acidbeh;
+		}
+
+		/**
+		 * @return the oxydationstages of the element
+		 */
+		QString oxstage() const {
+			return m_oxstage;
+		}
+		
+		/**
+		 * @return the orbits of the element. The QString is already
+		 * parsed so that the numbers are superscripts and the first
+		 * block is bold.
+		 * @param canBeEmpty specifies if the string returned can be
+		 * empty instead of a "Unknown structure" one.
+		 */
+		QString parsedOrbits( bool canBeEmpty = false );
+		
+		/**
+		 * @return the boiling point of the element in Kelvin
+		 */
+		double boiling() const {
+			return m_BP;
+		}
+		
+		/**
+		 * @return the melting point of the element in Kelvin
+		 */
+		double melting() const {
+			return m_MP;
+		}
+		
+		/**
+		 * @return the electronegativity of the element in the
+		 * Pauling-scale
+		 */
+		double electroneg() const {
+			return m_EN;
+		}
+
+		/**
+		* @return the electroaffinity of the element
+		*/
+		double electroaf() const {
+			return m_EA;
+		}
+
+		/**
+		 * @return the atomic mass of the element in units
+		 */
+		double mass() const {
+			return m_mass;
+		}
+		
+		/**
+		 * @return the density of the element in gramms per mol
+		 */
+		double density() const {
+			return m_Density;
+		}
+		
+		/**
+		 * @return the radius of the element in picometers
+		 */
+		double radius( RADIUSTYPE type );
+		
+		/**
+		 * @return the mean mass of the element
+		 */
+		double meanmass();
+
+		int x, y; //for the RegularPerodicTableView
+
+		/**
+		 * adjusts the units for the data. The user can
+		 * for example define if Fahrenheit, Kelvin or 
+		 * Degrees Celsius should be used for the temperature. 
+		 * This method takes care of that and adjust the 
+		 * values.
+		 * @param type the TYPE of the data
+		 * @return the adjusted datastring
+		 */
+		const QString adjustUnits( const int type );
+
+		const QString adjustRadius( RADIUSTYPE rtype );
+
+		/**
+		 * adjusts the units for the data. The user can
+		 * for example define if Fahrenheit, Kelvin or 
+		 * Degrees Celsius should be used for the temperature. 
+		 * This method takes care of that and adjust the 
+		 * values. Depending on @p type a unit will be
+		 * added to the adjusted value.
+		 * @param type the TYPE of the data
+		 * @param value the value of the data. 
+		 * @return the adjusted datastring
+		 */
+		const QString adjustUnits( const int type, double value );
+
+		/**
+		 * types of datas
+		 */
+		enum TYPE
+		{
+			NOGRADIENT = 0,
+			ATOMICRADIUS,
+			COVALENTRADIUS,
+			VDWRADIUS,
+			MASS,
+			DENSITY,
+			BOILINGPOINT,
+			MELTINGPOINT,
+			EN,
+			EA,
+			DATE,
+			IE,
+			IONICRADIUS
+		};
+
+		QPoint pos() const;
+		QPoint coords() const;
+
+		/**
+		 * accessor for the element's color
+		 */
+		QColor elementColor() const {
+			return m_Color; 
+		}
+
+		void setupXY();
+
+	private:
+		/**
+		 * the integer num represents the number of the element
+		 */
+		int m_ElementNumber;
+
+		Spectrum *m_spectrum;
+
+		bool m_hasSpectrum;
+
+		QValueList<Isotope*> m_isotopeList;
+
+		QValueList<double> m_spectrumList;
+    	
+		QColor m_Color;
+
+		int xPos() const;
+		int yPos() const;
+
+		double  m_mass,
+			m_MP,
+			m_BP,
+			m_EN,
+			m_EA,
+			m_Density,
+			m_RadiusAR,
+			m_RadiusCR,
+			m_RadiusVDW,
+			m_RadiusIon;
+		
+
+		int     m_number,
+			m_date,
+			m_biological,
+			m_period,
+			m_abundance;
+
+		QString m_symbol,
+			m_name,
+			m_origin,
+			m_oxstage,
+			m_block,
+			m_group,
+			m_family,
+			m_acidbeh,
+			m_orbits,
+			m_isotopes,
+			m_scientist,
+			m_crystalstructure,
+			m_ionvalue;
+
+		bool m_artificial,
+			 m_radioactive;
+
+		doubleList m_ionenergies;
+		
+	public:
+		/**
+		 * draw the rectangle with the information
+		 * @param p painter to do the drawing on
+		 * @param value the value to display as text
+		 * @param c the color used to paint the element
+		 */
+		virtual void drawGradient( QPainter* p, const QString& value, const QColor& c);
+		
+		/**
+		 * Draw the Element grayed out. Used in the timeline
+		 * @param p the painter used for the painting
+		 */
+		virtual void drawGrayedOut( QPainter* p );
+		
+		/**
+		 * draw the rectangle with the information
+		 * @param p painter to do the drawing on
+		 * @param simple if True more information will be shown
+		 * @param isCrystal whether the elements should draw its crystal structure
+		 */
+		virtual void drawSelf( QPainter* p, bool simple = false, bool isCrystal = false );
+
+		virtual void drawStateOfMatter( QPainter* p, double temperature );
+};
+
+
+#endif