eventline.h

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 Please read COPYING and README files in root folder
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*/
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#ifndef __EVENTLINE_INC__
#define __EVENTLINE_INC__
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/*  INCLUDES    ------------------------------------------------------------ */

#include    <april/april.h>
#include    <april/logic/component.h>
#include    <april/logic/uniqueid.h>
#include    <april/logic/eventdata.h>
#include    <libbbb/1/list2d.h>

/*  INCLUDES    ============================================================ */
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/*  DEFINITIONS    --------------------------------------------------------- */

namespace   april    {
class   World;
class   EventData;

/*  DEFINITIONS    ========================================================= */
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/*  CLASS    --------------------------------------------------------------- */

class
    APRILSHARED_EXPORT
    EventLine       : public Component      {
    BBM_TRACK( EventLine );

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    /*  DEFINITIONS    ----------------------------------------------------- */

    friend class    World;

    /*  DEFINITIONS    ===================================================== */
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    /*  DATA    ------------------------------------------------------------ */

private:

    World *             world_;

    ID                  id_;
    
    List2Dh             event_data_;
    
    EventData *         last_;
    
    unsigned int        max_count_;
    
    /*  DATA    ============================================================ */
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public:


    EventLine           ( World * w, ID id, unsigned int max_count = 100 );

    static EventLine *  fromStg         ( World * w, QSettings & s );

protected:

    EventLine           ( World * w );


    virtual             ~EventLine      ( void );

public:

    inline World *      world           ( void ) const
    { return world_; }

    inline ID           identificator   ( void ) const
    { return id_; }

    inline unsigned int dataCount       ( void ) const
    { return (unsigned int) event_data_.count(); }


    bool                postActivity    ( EventData * ed );
    

    void                discardOldEntries   ( void );

    inline EventData *  firstEventData  ( void ) const
    { return firstEventData_(this); }
    
    EventData *         lastEventData   ( void );
    
    unsigned int        maxEntries      ( void ) const
    { return max_count_; }

    virtual bool        save            ( QSettings & s ) const;
    
    virtual bool        load            ( QSettings & s );

    /*  FUNCTIONS    ======================================================= */
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};  /*  class EventLine */

/*  CLASS    =============================================================== */
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}   //  namespace   april

#endif // __EVENTLINE_INC__
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