Method Update

Modules/QtWidgets/src/QmitkDataStorageTreeModel.cpp:862–884

}

void QmitkDataStorageTreeModel::Update()
{
  auto datastorage = m_DataStorage.Lock();
  if (datastorage.IsNotNull())
  {
    mitk::DataStorage::SetOfObjects::ConstPointer _NodeSet = datastorage->GetAll();

    /// Regardless the value of this preference, the new nodes must not be inserted
    /// at the top now, but at the position according to their layer.
    bool newNodesWereToBePlacedOnTop = m_PlaceNewNodesOnTop;
    m_PlaceNewNodesOnTop = false;

    for (const auto& node : *_NodeSet)
    {
      this->AddNodeInternal(node);
    }

    m_PlaceNewNodesOnTop = newNodesWereToBePlacedOnTop;

    /// Adjust the layers to ensure that derived nodes are above their sources.
    this->AdjustLayerProperty();
  }
}

void QmitkDataStorageTreeModel::SetAllowHierarchyChange(bool allowHierarchyChange)
{