Initial commit

Lts/Viewer/SituationMap/GeometryModel/geometry_node_visitor.cpp

@@ -0,0 +1,75 @@
+/**
+**
+** @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