StelSkyLayerMgr.hpp

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/*
 * 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 _STELSKYLAYERMGR_HPP_
#define _STELSKYLAYERMGR_HPP_

#include "StelModule.hpp"
#include "StelSkyLayer.hpp"

#include <QString>
#include <QStringList>
#include <QMap>

class StelCore;
class StelSkyImageTile;


class StelSkyLayerMgr : public StelModule
{
    Q_OBJECT
    Q_PROPERTY(bool flagShow READ getFlagShow WRITE setFlagShow NOTIFY flagShowChanged)

public:
    StelSkyLayerMgr();
    ~StelSkyLayerMgr();

    // Methods defined in the StelModule class
    virtual void init();

    virtual void draw(StelCore* core);

    virtual void update(double) {;}

    virtual double getCallOrder(StelModuleActionName actionName) const;

    // Other specific methods
    QString insertSkyLayer(StelSkyLayerP l, const QString& keyHint=QString(), bool show=true);

    void removeSkyLayer(StelSkyLayerP l);

    QMap<QString, StelSkyLayerP> getAllSkyLayers() const;

    StelSkyLayerP getSkyLayer(const QString& key) const;

    bool getFlagShow() const {return flagShow;}

public slots:
    // Properties setters and getters
    void setFlagShow(bool b) {if (flagShow !=b) { flagShow = b; emit flagShowChanged(b);}}
    bool loadSkyImage(const QString& id, const QString& filename,
                      double long0, double lat0,
                      double long1, double lat1,
                      double long2, double lat2,
                      double long3, double lat3,
                      double minRes, double maxBright, bool visible, StelCore::FrameType frameType=StelCore::FrameJ2000);

    bool loadSkyImageAltAz(const QString& id, const QString& filename,
                      double alt0, double azi0,
                      double alt1, double azi1,
                      double alt2, double azi2,
                      double alt3, double azi3,
                      double minRes, double maxBright, bool visible);

    void showLayer(const QString& id, bool b);
    bool getShowLayer(const QString& id) const;

    // Other slots
    QString insertSkyImage(const QString& uri, const QString& keyHint=QString(), bool show=true);

    void removeSkyLayer(const QString& key);

    QStringList getAllKeys() const {return allSkyLayers.keys();}

signals:
    void flagShowChanged(bool b);

private slots:
    void loadingStateChanged(bool b);

    void percentLoadedChanged(int percentage);

private:

    class SkyLayerElem
    {
    public:
        SkyLayerElem(StelSkyLayerP t, bool show=true);
        ~SkyLayerElem();
        StelSkyLayerP layer;
        class StelProgressController* progressBar;
        bool show;
    };

    SkyLayerElem* skyLayerElemForLayer(const StelSkyLayer*);

    QString keyForLayer(const StelSkyLayer*);

    QMap<QString, SkyLayerElem*> allSkyLayers;

    // Whether to draw at all
    bool flagShow;
};

#endif // _STELSKYLAYERMGR_HPP_