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psetables.h

/*********************************************************************************
 *   Copyright (C) 2005, 2006  by Pino Toscano, toscano.pino@tiscali.it          *
 *   Copyright (C) 2007        by Carste Niehaus, cniehaus@kde.org               *
 *   copyright (C) 2010        by Etienne Rebetez, etienne.rebetez@oberwallis.ch *
 *                                                                               *
 *   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 PSETABLES_H
#define PSETABLES_H

#include "libkdeedu_science_export.h"

#include <QPoint>
#include <QList>
#include <QStringList>

/**
 * @class pseTables
 * Provides functions to easyli create pse tables with qGridLayouts or qGraphicsView.
 *
 * creating a table for the gridlayout
@code
  foreach (int elementIndex, pseTables::instance()->getTabletype( m_psTableType )->elements()) {
       int group = pseTables::instance()->getTabletype( m_psTableType )->elementCoords( elementIndex ).x();
       int period = pseTables::instance()->getTabletype( m_psTableType )->elementCoords( elementIndex ).y();

       ElementLabel *element = new ElementLabel( elementIndex );

       gridLayoutOfPeriodSystem->addItem (element, period, group );
  }

@endcode

 * position elements in a qGraphicsScene
@code


@endcode

 * getting the position of the Numerations for the periodic system of elements (j)
 @code
    for (int i = 0; i < pseTables::instance()->getTabletype( j )->tableSize().x() || i < numerationItems.count(); i++) {
        int itemAtPos = pseTables::instance()->getTabletype( j )->numerationAtPos( i );
    }
 @endcode
 * @short Provides shape and elements of diferent peridic tables of elements
 * @author Etienne Rebetez
 */
class pseTable;

/**
 * Holds all periodic system tables and make them accesible.
 */
00068 class SCIENCE_EXPORT pseTables
{
public:
    static pseTables *instance();

    ~pseTables();

    /**
    * Returns the KalziumTableType with the @p id specified.
    * It will gives 0 if none found.
    */
    pseTable* getTabletype(const int tableType);

    /**
    * Returns the KalziumTableType whose name is the @p id
    * specified.
    * It will gives 0 if none found.
    */
    pseTable* getTabletype(const QString tableType);

    /**
     * Returns a list with the names of the table types we support.
     */
    QStringList tables() const;

private:
    pseTables();
    QList<pseTable*> m_tables;
    int m_currentTable;
};


/**
 * defines a Periodic Table.
 * Holds the position (x,y) and all the displaed elements
 */
00104 class pseTable

{
public:
    static pseTable *init();

    virtual ~pseTable();

    /**
     * Returns the ID of this table type.
     */
    virtual QString name() const;

    /**
     * Returns a short description of the periodic table in use
     */
    virtual QString description() const;

    /**
     * Returns the coordinates of an element  @p element in
     * the periodic system.
     * If the element is not in the periodic system QPoint(-1,-1) is returned.
     */
    virtual QPoint elementCoords(int element) const;

    /**
     * Returns a list with all elements in the actual periodic table
     */
    virtual QList<int> elements() const;

    /**

     * Returns the element that comes right before the specified @p element.
     * -1 means that @p element is the first in this table type.
     *
     * The default implementation returns <tt>element - 1</tt> if @p element
     * is not 1, else -1.
     */
    virtual int previousOf ( int element ) const;

    /**
     * Returns the element that comes right after the specified @p element.
     * -1 means that @p element is the last in this table type.
     *
     * The default implementation returns <tt>element + 1</tt> if @p element
     * is not the latest element, else -1.
     */
    virtual int nextOf ( int element ) const;

    /**
     * Returns the first element of the table.
     */
    virtual int firstElement() const;

    /**
     * Returns the last element of the table.
     */
    virtual int lastElement() const;

    /**
     * Returns the maximal size of the periodic table.
     */
    virtual QPoint tableSize() const;

     /**
     * Returns the Numeration for the current Table according to the position in the Table.
     * Coordinatates beginning wiht 0. Returns -1 if none is found.
     */
     virtual int numerationAtPos( int xPos ) const;

protected:
    pseTable();

    QString m_name;
    QString m_description;

    QList<int> m_posX;
    QList<int> m_posY;
    QList<int> m_xCoordsNumeration;
    QList<int> m_elementList;
};



00188 class pseRegularTable : public pseTable
{
public:
    static pseRegularTable *init();

private:
    pseRegularTable();
};

00197 class pseLongTable : public pseTable
{
public:
    static pseLongTable *init();

private:
    pseLongTable();
};

00206 class pseShortTable : public pseTable
{
public:
    static pseShortTable *init();

private:
    pseShortTable();
};

00215 class pseDTable : public pseTable
{
public:
    static pseDTable *init();

private:
    pseDTable();
};

00224 class pseDZTable : public pseTable
{
public:
    static pseDZTable *init();

private:
    pseDZTable();
};
#endif // PSTABLES_H

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