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Lts/Viewer/SituationMap/Rubberbands/rubberband_point_cluster.cpp

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+
+/**
+**
+** @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 */