source: tspsg-svn/trunk/src/tspmodel.h @ 162

/*!

 * \file tspmodel.h

 * \author Copyright &copy; 2007-2011 Lёppa <contacts[at]oleksii[dot]name>

 *

 *  $Id: tspmodel.h 151 2011-01-19 22:27:49Z laleppa $

 *  $URL: https://tspsg.svn.sourceforge.net/svnroot/tspsg/trunk/src/tspmodel.h $

 *

 * \brief Defines CTSPModel class.

 *

 *  <b>TSPSG: TSP Solver and Generator</b>

 *

 *  This file is part of TSPSG.

 *

 *  TSPSG 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 3 of the License, or

 *  (at your option) any later version.

 *

 *  TSPSG 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 TSPSG.  If not, see <http://www.gnu.org/licenses/>.

 */



#ifndef TSPMODEL_H

#define TSPMODEL_H



#include "globals.h"



/*!

 * \brief This class implements table model for manipulating a task.

 * \author Copyright &copy; 2007-2011 Lёppa <contacts[at]oleksii[dot]name>

 */

class CTSPModel: public QAbstractTableModel

{

    Q_OBJECT



public:

    CTSPModel(QObject *parent = 0);

    void clear();

    int columnCount(const QModelIndex &parent = QModelIndex()) const;

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;

    Qt::ItemFlags flags(const QModelIndex &index) const;

    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;

    bool loadTask(const QString &fname);

    quint16 numCities() const;

    void randomize();

    int rowCount(const QModelIndex &parent = QModelIndex()) const;

    bool saveTask(const QString &fname);

    bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);

    void setNumCities(int n);



signals:

    /*!

     * \brief This signal is emitted whenever the number of cities in the task changes.

     *

     * \sa setNumCities()

     */

    void numCitiesChanged(int);



private:

    QSettings *settings;

    QVector<QVector<double> > table;

    quint16 nCities;

    bool loadError(QDataStream::Status);

    bool loadTSPT(QDataStream *);

    bool loadZKT(QDataStream *);

    double rand(int, int) const;

};



#endif // TSPMODEL_H