/**
**
** @RDE_HEADER@
** Implementation of path drawables
** $Id$
** $HeadURL$
** $Author$
**
** -----------------------------------------------------------------------------------------------
**
** 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 .........:
**
**   27.07.2015, JT  : First edition for use with Qt5
**
** -----------------------------------------------------------------------------------------------
*/

#include "drawable_painter_path.h"

#include <QGraphicsPathItem>
#include <QPainterPath>


namespace SituationMap { namespace RB
{

   DrawablePainterPath::DrawablePainterPath(Esri::ArcGISRuntime::MapGraphicsView * map)
      : RubberbandDrawable(map)
      , _painterPathItem(nullptr)
      , _pathCoordinates()
      , _lineStyle()
      , _dottedPath(false)
      , _closedLine(false)
      , _fillSolid(false)
   {
      _painterPathItem  = _scene->addPath( QPainterPath() );
      _painterPathItem -> setFlags( QGraphicsItem::ItemIgnoresTransformations );
      makeLineStyle( _dottedPath, _lineStyle );
      _painterPathItem -> setPen  ( (_drawColor.alpha()) ?  QPen(_drawColor)   : QPen() );
      _fillColor.setAlpha(0);
      _painterPathItem -> setBrush( (_fillColor.alpha()) ?  QBrush(_fillColor) : QBrush() );
   } /* DrawablePainterPath::DrawablePainterPath */


   DrawablePainterPath::DrawablePainterPath(Esri::ArcGISRuntime::MapGraphicsView * map, QGraphicsScene * scene)
      : RubberbandDrawable(map, scene)
      , _painterPathItem(nullptr)
      , _pathCoordinates()
      , _lineStyle()
      , _dottedPath(false)
      , _closedLine(false)
      , _fillSolid(false)
   {
      _painterPathItem  = _scene->addPath( QPainterPath() );
      _painterPathItem -> setFlags( QGraphicsItem::ItemIgnoresTransformations );
      makeLineStyle( _dottedPath, _lineStyle );
      _painterPathItem -> setPen  ( (_drawColor.alpha()) ?  _lineStyle         : QPen()   );
      _fillColor.setAlpha(0);
      _painterPathItem -> setBrush( (_fillColor.alpha()) ?  QBrush(_fillColor) : QBrush() );
   } /* DrawablePainterPath::DrawablePainterPath */


   DrawablePainterPath::~DrawablePainterPath()
   {
     if (_scene)
     {
       if (_painterPathItem)
       {
          _scene->removeItem(_painterPathItem);
          delete _painterPathItem;
       }
       _painterPathItem = nullptr;
     }
   } /* DrawablePainterPath::~DrawablePainterPath */


   void DrawablePainterPath::setPath( const QVector<RubberbandDrawable::RubberbandCoordinate> & path )
   {
      _pathCoordinates  = path;
      updateGraphic();
   } /* DrawablePainterPath::setPath */


   void DrawablePainterPath::setPath( const QVector<QPointF> & scenePath )
   {
      _pathCoordinates.clear();
      _pathCoordinates.reserve( scenePath.size() );

      for ( auto p : scenePath )
      {
         _pathCoordinates.append( RubberbandDrawable::RubberbandCoordinate(_mapView,p) );
      }
      updateGraphic();

   } /* DrawablePainterPath::setPath */


   void DrawablePainterPath::updateGraphic()
   {
      DEBUG_LOG(_logger) << LOGFUNCTION;

      if ((_closedLine) && (_pathCoordinates.size() < 3))
      {
         _painterPathItem -> setVisible( false );
         return;
      }

      QPainterPath painterPath;

      QVector<RubberbandDrawable::RubberbandCoordinate>::iterator it = _pathCoordinates.begin();

      if (it != _pathCoordinates.end())
      {
         painterPath.moveTo( it->mapToScene(_mapView) );
         DEBUG_LOG(_logger) << LOGFUNCTION << " map-x = " << it->_mapCoordinate.x() << " map-y = " << it->_mapCoordinate.y();
         while (true)
         {
            ++it;
            if (it == _pathCoordinates.end()) break;
            painterPath.lineTo( it->mapToScene(_mapView) );
            DEBUG_LOG(_logger) << LOGFUNCTION << " map-x = " << it->_mapCoordinate.x() << " map-y = " << it->_mapCoordinate.y();
         }
         if (_closedLine) painterPath.closeSubpath();
      }

      const QColor &fillColor = transparentFillColor();
      makeLineStyle( _dottedPath, _lineStyle );

      _painterPathItem -> setVisible( _isVisible );
      _painterPathItem -> setPen  ( (_drawColor.alpha() > 0) ?  _lineStyle        : QPen()   );
      _painterPathItem -> setBrush( ( fillColor.alpha() > 0) ?  QBrush(fillColor) : QBrush() );
      _painterPathItem -> setZValue( _zBufferValue );
      _painterPathItem -> setPath( painterPath );

   } /* DrawablePainterPath::updateGraphic */

   void DrawablePainterPath::adjustCoordinates()           { updateGraphic(); }
   void DrawablePainterPath::adjustWindow( const QRectF& ) { updateGraphic(); }

} } /* namespace SituationMap::RB */