/**
**
** @RDE_HEADER@
** Implementation of rubberband class to define 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 .........:
**
**   27.03.2015, JT  : First edition for use with Qt5
**
** -----------------------------------------------------------------------------------------------
*/

#include "rubberband_point_cluster.h"
#include "rubberband_point_handle.h"
#include "rubberband_drawable.h"
#include "rubberband_handle_proxy.h"
#include "transient_tactical_symbol.h"

#include "rubberband_internal.h"
#include "rubberband_base_internal.h"

namespace SituationMap { namespace RB
{

   struct RubberbandPointCluster::InternalData
   {
      Q_DISABLE_COPY(InternalData)
      InternalData() = default;
      SituationMap::RefPointer<TransientTacticalSymbol>  _previewSymbol;
   }; /* RubberbandMultiPointFeature::InternalData */


   RubberbandPointCluster::RubberbandPointCluster( SituationMap::Map * map, QObject * parent, bool isActive ) : RubberbandPointCluster( map, INT_MAX, parent, isActive ) {;}


   RubberbandPointCluster::RubberbandPointCluster(  SituationMap::Map * map, unsigned int maxCoordinates, QObject * parent, bool isActive )
      : RubberbandPointFeature(map,parent,isActive), _internal(new InternalData()), _minimalPointCount(1)
   {
      _maximalPointCount = maxCoordinates;
   } /* RubberbandPointCluster::RubberbandPointCluster */


   RubberbandPointCluster::~RubberbandPointCluster()
   {
      delete _internal;
   } /* RubberbandPointCluster::~RubberbandPointCluster */


   void RubberbandPointCluster::activateButtons()
   {
      _baseInternal->_hasUndoButton   = isEnabledConstructionState();
      _baseInternal->_applyIsPossible = (static_cast<unsigned int>(Rubberband::_internal->_handleList.size()) >= _minimalPointCount);
      _baseInternal->_undoIsPossible  = (isEnabledConstructionState() && (static_cast<unsigned int>(Rubberband::_internal->_handleList.size()) > _minimalPointCount));
      Rubberband::activateButtons();  
   } /* RubberbandMultiPointFeature::activateButton */


   void RubberbandPointCluster::setCoordinateVector(const QVector<QPointF> & coordinateVector, CoordinateSystem cs )
   {
      RubberbandPointFeature::setCoordinateVector( coordinateVector, cs );
      enableModificationState();
      activateButtons();
   } /* RubberbandPointCluster::setCoordinateVector */


   bool RubberbandPointCluster::setCoordinateAction( AbstractEventDispatcher * causer, int x, int y )
   {
      bool ok = false;
      
      if (rubberbandIsAlive())
      {
         ok = RubberbandPointFeature::setCoordinateAction(causer,x,y);
         if (ok) activateButtons();
      }
      return ok;
   } /* RubberbandPointCluster::setCoordinateAction */


   void RubberbandPointCluster::update()
   {
      RubberbandPointFeature::update();
      if (!_previewSidc.isEmpty())
      {
         if (!_internal->_previewSymbol)
         {
            _internal->_previewSymbol = new TransientTacticalSymbol( static_cast<MapImpl*>(_baseInternal->_map.data()), _previewSidc );
         }
               
         QVector<RubberbandHandle::RubberbandCoordinate> coordinateList;
         coordinateList.reserve( Rubberband::_internal->_handleList.size() );

         for (auto handlePoint : qAsConst(Rubberband::_internal->_handleList))
         {
            RubberbandPointHandle * handlePointPtr =  dynamic_cast<RubberbandPointHandle*>(handlePoint.get());
            if (handlePointPtr)
            {
               coordinateList.append( handlePointPtr->getCoordinate() );
            }
         }
         _internal->_previewSymbol->update( coordinateList );
      }
      else _internal->_previewSymbol = nullptr;
   } /* RubberbandPointCluster::update */


   bool RubberbandPointCluster::deleteAction(AbstractEventDispatcher * causer, int x, int y)
   {
     if (rubberbandIsAlive())
     {
       if (static_cast<unsigned int>(RubberbandPointFeature::_internal->_handleList.size()) <= _minimalPointCount) return true;
       return RubberbandPointFeature::deleteAction(causer,x,y);
     }
     return false;
   } /* RubberbandPointCluster::deleteAction */

} } /* namespace SituationMap::RB */