deepskycomponent.h

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/***************************************************************************
                          deepskycomponent.h  -  K Desktop Planetarium
                             -------------------
    begin                : 2005/15/08
    copyright            : (C) 2005 by Thomas Kabelmann
    email                : thomas.kabelmann@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef DEEPSKYCOMPONENT_H
#define DEEPSKYCOMPONENT_H

#include "typedef.h"

#include <QObject>
#include "skycomponent.h"
#include "skylabel.h"
#include "datahandlers/ksparser.h"

#define NNGCFILES 14

class QColor;
class SkyMap;
class KSNumbers;
class DeepSkyObject;
class SkyPoint;
class SkyMesh;
class SkyLabeler;

// NOTE: Although the following symbol has nothing to do with line
// number in any file, we use this name to keep consistency in naming
// conventions with StarComponent
#define MAX_LINENUMBER_MAG 90

typedef QVector< DeepSkyObject*>    DeepSkyList;
typedef QHash< int, DeepSkyList*>   DeepSkyIndex;

class DeepSkyComponent: public SkyComponent
{
public:

    explicit DeepSkyComponent( SkyComposite* );

    ~DeepSkyComponent();

    virtual void draw( SkyPainter *skyp );

    /* @short draw all the labels in the prioritized LabelLists and then
     * clear the LabelLists.
     */
    void drawLabels();

    virtual void update( KSNumbers *num=0 );

    virtual SkyObject* findByName( const QString &name );

    virtual void objectsInArea( QList<SkyObject*>& list, const SkyRegion& region );

    virtual SkyObject* objectNearest( SkyPoint *p, double &maxrad );

    const QList<DeepSkyObject*>& objectList() const { return m_DeepSkyList; }

    void clear();

    bool selected();

private:
    void loadData();

    void clearList(QList<DeepSkyObject*>& list);

    void mergeSplitFiles();

    void drawDeepSkyCatalog( SkyPainter *skyp, bool drawObject, DeepSkyIndex* dsIndex,
                             const QString& colorString, bool drawImage = false);

    QList<DeepSkyObject*> m_DeepSkyList;
    QList<DeepSkyObject*> m_MessierList;
    QList<DeepSkyObject*> m_NGCList;
    QList<DeepSkyObject*> m_ICList;
    QList<DeepSkyObject*> m_OtherList;

    LabelList*     m_labelList[  MAX_LINENUMBER_MAG + 1 ];
    bool           m_hideLabels;
    double         m_zoomMagLimit;


    SkyMesh* m_skyMesh;
    DeepSkyIndex m_DeepSkyIndex;
    DeepSkyIndex m_MessierIndex;
    DeepSkyIndex m_NGCIndex;
    DeepSkyIndex m_ICIndex;
    DeepSkyIndex m_OtherIndex;

    void appendIndex( DeepSkyObject *o, DeepSkyIndex* dsIndex, Trixel trixel );

    QHash<QString, DeepSkyObject*> nameHash;

    void addLabel( const QPointF& p, DeepSkyObject *obj );

};

#endif