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/************************************************************************/
/* This class is an implementation of the OdDbGripPointsPE class for    */
/* OdDb2dPolyline entities.                                             */
/************************************************************************/
#include "StdAfx.h"
#include "Db2dPolylineGripPoints.h"
#include "Db2dPolyline.h"
#include "Ge/GeMatrix3d.h"
#include "Ge/GeCircArc2d.h"
#include "Gi/GiViewport.h"

OdResult OdDb2dPolylineGripPointsPE::getGripPoints( const OdDbEntity* pEnt, OdGePoint3dArray& gripPoints )const
{
  OdDb2dPolylinePtr pPoly = pEnt;
  OdDbObjectIteratorPtr pIt = pPoly->vertexIterator();
  while (!pIt->done())
  {
    OdDb2dVertexPtr pVertex = OdDb2dVertex::cast(pIt->entity());
    ODA_ASSERT_ONCE(pVertex->vertexType() == OdDb::k2dVertex); //TODO AlexeyTyurin 06.03.2017 
    if (pVertex->vertexType() == OdDb::k2dVertex || 
        pVertex->vertexType() == OdDb::k2dSplineCtlVertex)//added k2dSplineCtlVertex like in the OdDb3dPolylineGripPointsPE
      gripPoints.append(pVertex->position());
    pIt->step();
  }
  return eOk;
}

OdResult OdDb2dPolylineGripPointsPE::moveGripPointsAt( OdDbEntity* pEnt, const OdIntArray& indices, const OdGeVector3d& offset )
{
  unsigned size = indices.size();
  if (size == 0)
    return eOk;

  OdDb2dPolylinePtr pPoly = pEnt;

  OdDb::Poly2dType prevType = pPoly->polyType();

  OdDbObjectIteratorPtr pIt = pPoly->vertexIterator();
  int counter = 0;
  while (!pIt->done())
  {
    OdDb2dVertexPtr pVertex = OdDb2dVertex::cast(pIt->entity());
    if (pVertex->vertexType() == OdDb::k2dVertex || 
        pVertex->vertexType() == OdDb::k2dSplineCtlVertex)//added k2dSplineCtlVertex like in the OdDb3dPolylineGripPointsPE
    {
      for (unsigned i = 0; i < size; i++)
      {
        if (indices[i] == counter)
        {
          pVertex->upgradeOpen();
          pVertex->setPosition(pVertex->position() + offset);
          break;
        }
      }
      counter++;
    }
    pIt->step();
  }

  if (prevType != OdDb::k2dSimplePoly)
    pPoly->convertToPolyType(prevType); // Force recompution of spline curve

  return eOk;
}

OdResult OdDb2dPolylineGripPointsPE::getStretchPoints( const OdDbEntity* ent, OdGePoint3dArray& stretchPoints ) const
{
  OdDb2dPolylinePtr pPoly = ent;
  for (OdDbObjectIteratorPtr i = pPoly->vertexIterator() ; !i->done(); i->step())
  {
    OdDb2dVertexPtr v = OdDb2dVertex::cast(i->entity());
    if (!v.isNull() && v->vertexType() == OdDb::k2dVertex)
      stretchPoints.append(v->position());
  }
  return eOk;
}


OdResult OdDb2dPolylineGripPointsPE::moveStretchPointsAt( OdDbEntity* ent, const OdIntArray& indices, const OdGeVector3d& offset)
{
  OdDb2dPolylinePtr pPoly = ent;
  int index = 0;
  for (OdDbObjectIteratorPtr i = pPoly->vertexIterator() ; !i->done(); i->step(), ++index)
  {
    OdDb2dVertexPtr v = OdDb2dVertex::cast(i->entity());
    if (!v.isNull() && v->vertexType() == OdDb::k2dVertex)
    {
      if (indices.contains(index))
      {
        v->upgradeOpen();
        v->setPosition(v->position() + offset);
      }
    }
  }
  return eOk;
}

OdResult OdDb2dPolylineGripPointsPE::getOsnapPoints(const OdDbEntity* ent,
  OdDb::OsnapMode osnapMode,
  OdGsMarker /*gsSelectionMark*/,
  const OdGePoint3d& /*pickPoint*/,
  const OdGePoint3d& /*lastPoint*/,
  const OdGeMatrix3d& /*xWorldToEye*/,
  OdGePoint3dArray& snapPoints) const
{
  ///return eNotImplementedYet;
  OdDb2dPolylinePtr pPoly = ent;
  switch (osnapMode)
  {
  case OdDb::kOsModeEnd:
  case OdDb::kOsModeCen:
  case OdDb::kOsModeQuad:
  case OdDb::kOsModePerp:
  case OdDb::kOsModeTan:
  {
    OdDbObjectIteratorPtr pIt = pPoly->vertexIterator();
    while (!pIt->done())
    {
      OdDb2dVertexPtr pVertex = OdDb2dVertex::cast(pIt->entity());
      if (pVertex->vertexType() == OdDb::k2dVertex || pVertex->vertexType() == OdDb::k2dCurveFitVertex)
        snapPoints.append(pVertex->position());
      pIt->step();
    }
  }
  break;
  default:
    break;
  }
  return eOk;

}