/**
**
** @RDE_HEADER@
** Node visitor for GeometryModel.
** $Id$
** $HeadURL$
** $Author$
**
** -----------------------------------------------------------------------------------------------
**
** 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 .........:
**
**   07.07.2016, JT  : First edition for use with Qt5
**
** -----------------------------------------------------------------------------------------------
*/

#include "geometry_node_visitor.h"

namespace SituationMap
{
GeometryNodeVisitor::GeometryNodeVisitor(GeometryModel *geoModel) : m_geometryModel(geoModel)  {;}

bool GeometryNodeVisitor::traverse()
{
  if (!m_geometryModel)
    return true;
  return traverse(m_geometryModel->getRootNode());
} // bool GeometryNodeVisitor::traverse()


bool GeometryNodeVisitor::traverse(GeometryModel::Node node)
{
  if (!m_geometryModel)
    return true;

  if (node.isValid())
  {
    const GeometryModel::PrimitiveType primitiveType = m_geometryModel->getType(node);

    if ((GeometryModel::PrimitiveType::RootNode == primitiveType) || (GeometryModel::PrimitiveType::Node == primitiveType))
    {
      if (node.hasChildNodes())
      {
        node = node.firstChildNode();
        while (node.isValid())
        {
          if (!traverse(node))
            return false;
          node = node.next();
        }
      }
    }

    if (!apply(m_geometryModel, node, primitiveType))
      return false;

  } // if

  return true;
}


} // namespace SituationMap