/**
**
** @RDE_HEADER@
** Definition of rubberband class for free hand drawing
** $Id$
** $HeadURL$
** $Author$
**
** -----------------------------------------------------------------------------------------------
**
** 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 .........:
**
**   06.10.2015, JT  : First edition for use with Qt5
**
** -----------------------------------------------------------------------------------------------
*/

#pragma once

#include "rubberband.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 RubberbandFreeHand : public Rubberband
   {
       Q_OBJECT
         /**
            @name Construction & Destruction
            @{
         */

         friend class RubberbandFactory;
         explicit RubberbandFreeHand(  SituationMap::Map * map, QObject * parent = nullptr );

      public:

         ~RubberbandFreeHand();
         /** @} */

         bool selectAction        ( AbstractEventDispatcher * causer, int x, int y ) override;
         bool movePickedAction    ( AbstractEventDispatcher * causer, int x, int y ) override;
         bool moveAction          ( AbstractEventDispatcher * causer, int x, int y ) override;
         bool setCoordinateAction ( AbstractEventDispatcher * causer, int x, int y ) override;
         bool completeStateAction ( AbstractEventDispatcher * causer, int x, int y ) override;
         bool undoAction          ( AbstractEventDispatcher * causer, int x, int y ) override;

         unsigned int coordinateCount() const override;

         virtual QVector<QPointF> coordinateVector( CoordinateSystem cs = CoordinateSystem::Geo ) const override;

         virtual QPointF singleCoordinate( unsigned int idx = 0, CoordinateSystem cs = CoordinateSystem::Geo ) const override;

          /**
           If set to true a polygon the rubberband draws a polygon otherwise a polyline.
         */
         inline void enableClosed( bool flag )   { _isClosed = flag; }

         /**
           Gets the value of the close flag
         */
         inline bool isClosedEnabled() const    { return _isClosed; }


      private:

         virtual void setCoordinateVector( const QVector<QPointF> & /*pntList*/, CoordinateSystem /*cs*/ = CoordinateSystem::Geo ) override {}

      protected:

          /*
            Forward declaration of internal container class for member variables. The derived classes of Rubberband
            often have also a declaration of InternalData for there own internal members.
          */
          struct InternalData;

          InternalData     * _internal;
          bool               _isClosed;

          void activateButtons() override;
          void update() override;

   }; /* RubberbandFreeHand */

} } /* namespace SituationMap::RB */