Method LoadScene

Modules/SceneSerialization/src/mitkSceneReaderV1.cpp:78–298

}

bool mitk::SceneReaderV1::LoadScene(tinyxml2::XMLDocument &document, const std::string &workingDirectory, DataStorage *storage)
{
  assert(storage);
  bool error(false);

  // TODO prepare to detect errors (such as cycles) from wrongly written or edited xml files

  // Get number of elements to initialize progress bar
  //   1. if there is a <data type="..." file="..."> element,
  //        - construct a name for the appropriate serializer
  //        - try to instantiate this serializer via itk object factory
  //        - if serializer could be created, use it to read the file into a BaseData object
  //        - if successful, call the new node's SetData(..)

  // create a node for the tag "data" and test if node was created
  typedef std::vector<mitk::DataNode::Pointer> DataNodeVector;
  DataNodeVector DataNodes;
  unsigned int listSize = 0;
  for (auto *element = document.FirstChildElement("node"); element != nullptr;
       element = element->NextSiblingElement("node"))
  {
    ++listSize;
  }

  ProgressBar::GetInstance()->AddStepsToDo(listSize * 2);

  // Deserialize base data properties before reading the actual data to be
  // able to provide them as read-only meta data to the data reader.
  std::map<std::string, PropertyList::Pointer> baseDataPropertyLists;

  for (auto *nodeElement = document.FirstChildElement("node"); nodeElement != nullptr;
       nodeElement = nodeElement->NextSiblingElement("node"))
  {
    const auto *uid = nodeElement->Attribute("UID");

    if (uid == nullptr)
      continue;

    auto *dataElement = nodeElement->FirstChildElement("data");

    if (dataElement != nullptr)
    {
      auto properties = DeserializeProperties(dataElement->FirstChildElement("properties"), workingDirectory);

      if (properties.IsNotNull())
        baseDataPropertyLists[uid] = properties;
    }
  }

  for (auto *element = document.FirstChildElement("node"); element != nullptr;
       element = element->NextSiblingElement("node"))
  {
    mitk::PropertyList* properties = nullptr;
    const auto *uid = element->Attribute("UID");

    if (uid != nullptr)
    {
      auto iter = baseDataPropertyLists.find(uid);