skycomponent.h

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/***************************************************************************
                          skycomponent.h  -  K Desktop Planetarium
                             -------------------
    begin                : 2005/07/08
    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 SKYCOMPONENT_H
#define SKYCOMPONENT_H


#include <kdebug.h>
#include "typedef.h"

class QString;

class KSNumbers;
class SkyObject;
class SkyPoint;
class SkyComposite;
class SkyPainter;

class SkyComponent
{
public:
    explicit SkyComponent( SkyComposite *parent );

    virtual ~SkyComponent();

    virtual void draw( SkyPainter *skyp ) = 0;

    virtual void drawTrails( SkyPainter *skyp );

    virtual void update( KSNumbers* ) {}
    virtual void updatePlanets( KSNumbers * ) {}
    virtual void updateMoons( KSNumbers * ) {}

    virtual bool selected() { return true; }

    SkyComposite* parent() { return m_parent; }

    virtual SkyObject* findByName( const QString &name );

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

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

    virtual void emitProgressText( const QString &message );

    inline QHash<int, QStringList>& objectNames() { return getObjectNames(); }

    inline QStringList& objectNames(int type) { return getObjectNames()[type]; }

protected:
    void removeFromNames(const SkyObject* obj);

private:
    virtual QHash<int, QStringList>& getObjectNames();

    // Disallow copying and assignement
    SkyComponent(const SkyComponent&);
    SkyComponent& operator= (const SkyComponent&);

    SkyComposite *m_parent;
};

#endif