| 1 | /*! |
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| 2 | * \file tspmodel.h |
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| 3 | * \author Copyright © 2007-2009 Lёppa <contacts[at]oleksii[dot]name> |
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| 4 | * |
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| 5 | * $Id$ |
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| 6 | * $URL$ |
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| 7 | * |
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| 8 | * \brief Defines CTSPModel class. |
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| 9 | * |
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| 10 | * <b>TSPSG: TSP Solver and Generator</b> |
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| 11 | * |
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| 12 | * This file is part of TSPSG. |
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| 13 | * |
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| 14 | * TSPSG is free software: you can redistribute it and/or modify |
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| 15 | * it under the terms of the GNU General Public License as published by |
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| 16 | * the Free Software Foundation, either version 3 of the License, or |
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| 17 | * (at your option) any later version. |
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| 18 | * |
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| 19 | * TSPSG is distributed in the hope that it will be useful, |
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| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 22 | * GNU General Public License for more details. |
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| 23 | * |
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| 24 | * You should have received a copy of the GNU General Public License |
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| 25 | * along with TSPSG. If not, see <http://www.gnu.org/licenses/>. |
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| 26 | */ |
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| 27 | |
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| 28 | #ifndef TSPMODEL_H |
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| 29 | #define TSPMODEL_H |
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| 30 | |
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| 31 | #include "globals.h" |
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| 32 | |
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| 33 | /*! |
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| 34 | * \brief This class implements table model for manipulating a task. |
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| 35 | * \author Copyright © 2007-2009 Lёppa <contacts[at]oleksii[dot]name> |
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| 36 | */ |
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| 37 | class CTSPModel: public QAbstractTableModel |
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| 38 | { |
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| 39 | Q_OBJECT |
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| 40 | |
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| 41 | public: |
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| 42 | CTSPModel(QObject *parent = 0); |
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| 43 | void clear(); |
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| 44 | int columnCount(const QModelIndex &parent = QModelIndex()) const; |
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| 45 | QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const; |
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| 46 | Qt::ItemFlags flags(const QModelIndex &index) const; |
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| 47 | QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const; |
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| 48 | bool loadTask(const QString &fname); |
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| 49 | quint16 numCities() const; |
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| 50 | void randomize(); |
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| 51 | int rowCount(const QModelIndex &parent = QModelIndex()) const; |
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| 52 | bool saveTask(const QString &fname); |
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| 53 | bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole); |
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| 54 | void setNumCities(int n); |
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| 55 | |
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| 56 | signals: |
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| 57 | /*! |
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| 58 | * \brief This signal is emitted whenever the number of cities in the task changes. |
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| 59 | * |
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| 60 | * \sa setNumCities() |
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| 61 | */ |
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| 62 | void numCitiesChanged(int); |
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| 63 | |
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| 64 | private: |
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| 65 | QSettings *settings; |
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| 66 | QVector<QVector<double> > table; |
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| 67 | quint16 nCities; |
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| 68 | bool loadError(QDataStream::Status); |
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| 69 | bool loadTSPT(QDataStream *); |
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| 70 | bool loadZKT(QDataStream *); |
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| 71 | double rand(int, int) const; |
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| 72 | }; |
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| 73 | |
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| 74 | #endif // TSPMODEL_H |
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