/**
**
** @RDE_HEADER@
** Definition of rubberband class to define multiple point feature geoemtry
** $Id$
** $HeadURL$
** $Author$
**
** -----------------------------------------------------------------------------------------------
**
** Hardware-Environment: Intel-PC
** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
**
** Language ........: C++ 11
**
** -----------------------------------------------------------------------------------------------
**
** Author ...........: Jörg Turla, SPD G, Tel. 3132
**
** -----------------------------------------------------------------------------------------------
**
** Notes .........:
**
**   18.06.2015, JT  : First edition for use with Qt5
**
** -----------------------------------------------------------------------------------------------
*/

#pragma once

#include <limits>

#include "rubberband_point_feature.h"


namespace SituationMap { namespace RB
{

   /**
     @class RubberbandPointCluster rubberband_point_cluster.h
     @brief Implementation of a rubberband to input single coodinates for building point feature clusters
     @see Rubberband, RubberbandPointFeature
   */
   class SITUATIONMAP_EXPORT RubberbandPointCluster : public RubberbandPointFeature
   {
       Q_OBJECT
        /**
            @name Construction & Destruction
            @{
         */

         friend class RubberbandFactory;

         RubberbandPointCluster( SituationMap::Map * map, QObject * parent, bool isActive = true );

         RubberbandPointCluster( SituationMap::Map * map
                               , unsigned int        maxCoordinates = std::numeric_limits<unsigned int>::max()
                               , QObject           * parent         = nullptr
                               , bool                isActive       = true                                     );

      public:

         virtual ~RubberbandPointCluster();

         RubberbandPointCluster(const RubberbandPointCluster &) = delete;
         RubberbandPointCluster & operator = (const RubberbandPointCluster &) = delete;
         /** @} */

         bool setCoordinateAction( AbstractEventDispatcher * causer, int x, int y ) override;
         bool deleteAction       ( AbstractEventDispatcher * causer, int x, int y ) override;


         /**
         Defines the minimum number of coordinates to input. Default is 1
         */
         inline void minimumPointCount(unsigned int n) { _minimalPointCount = (n > 0) ? n : 1; }

         /**
         Returns the setting for minimum number of coordinates to input.
         */
         inline unsigned int getMinimumPointCount() { return _minimalPointCount; }

         void setCoordinateVector(const QVector<QPointF> & coordinateVector, CoordinateSystem cs = CoordinateSystem::Geo ) override;

      protected:

          /*
            Forward declaration of InternalData to hold private member variables. Becareful the base class Rubberband
            has similary a class for internal data member with name "InternalData". Don't be confused it is not the same.
          */
          struct InternalData;

          InternalData *   _internal;
          unsigned int     _minimalPointCount;

          void activateButtons() override;

          void update() override;

   }; /* RubberbandPointCluster */

} } /* namespace SituationMap::RB */