StelLocationMgr.hpp

/*
 * Copyright (C) 2008 Fabien Chereau
 *
 * 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, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef _STELLOCATIONMGR_HPP_
#define _STELLOCATIONMGR_HPP_

#include "StelLocation.hpp"
#include <QString>
#include <QObject>
#include <QMetaType>
#include <QMap>

class QStringListModel;

class StelLocationMgr : public QObject
{
    Q_OBJECT

public:
    StelLocationMgr();
    ~StelLocationMgr();

    QStringListModel* getModelAll() {return modelAllLocation;}

    QList<StelLocation> getAll() const {return locations.values();}

    const StelLocation locationForString(const QString& s, bool* ok=NULL) const;

    const StelLocation locationForSmallString(const QString& s, bool* ok=NULL) const;

    const StelLocation& getLastResortLocation() const {return lastResortLocation;}
    
    bool canSaveUserLocation(const StelLocation& loc) const;

    bool saveUserLocation(const StelLocation& loc);

    bool canDeleteUserLocation(const QString& id) const;

    bool deleteUserLocation(const QString& id);

private:
    void generateBinaryLocationFile(const QString& txtFile, bool isUserLocation, const QString& binFile) const;

    QMap<QString, StelLocation> loadCities(const QString& fileName, bool isUserLocation) const;
    QMap<QString, StelLocation> loadCitiesBin(const QString& fileName) const;

    QStringListModel* modelAllLocation;

    QMap<QString, StelLocation> locations;
    
    StelLocation lastResortLocation;
};

#endif // _STELLOCATIONMGR_HPP_