Function AddLabelToGroupTree

Modules/SegmentationUI/src/QmitkMultiLabelTreeModel.cpp:795–832

Helper function that adds a labek into the item tree. Passes back the new created instance iten*/

/**Helper function that adds a labek into the item tree. Passes back the new created instance iten*/
QmitkMultiLabelSegTreeItem* AddLabelToGroupTree(mitk::Label* label, QmitkMultiLabelSegTreeItem* groupItem, bool& newLabelItemCreated)
{
  if (nullptr == groupItem) return nullptr;
  if (nullptr == label) return nullptr;

  newLabelItemCreated = false;

  std::set<std::string> labelNames;
  for (auto labelItem : groupItem->m_childItems)
  {
    labelNames.emplace(labelItem->GetLabel()->GetName());
  }

  QmitkMultiLabelSegTreeItem* labelItem = nullptr;
  auto finding = labelNames.find(label->GetName());
  if (finding != labelNames.end())
  { //other label with same name exists
    labelItem = groupItem->m_childItems[std::distance(labelNames.begin(), finding)];
  }
  else
  {
    newLabelItemCreated = true;
    labelItem = new QmitkMultiLabelSegTreeItem(QmitkMultiLabelSegTreeItem::ItemType::Label, groupItem, nullptr, label->GetName());

    auto predicate = [label](const std::string& name) { return name > label->GetName(); };
    auto insertFinding = std::find_if(labelNames.begin(), labelNames.end(), predicate);

    groupItem->m_childItems.insert(groupItem->m_childItems.begin() + std::distance(labelNames.begin(), insertFinding), labelItem);
  }

  auto instanceItem = new QmitkMultiLabelSegTreeItem(QmitkMultiLabelSegTreeItem::ItemType::Instance, labelItem, label);

  auto predicate = [label](const QmitkMultiLabelSegTreeItem* item) { return item->GetLabelValue() > label->GetValue(); };
  auto insertFinding = std::find_if(labelItem->m_childItems.begin(), labelItem->m_childItems.end(), predicate);
  labelItem->m_childItems.insert(labelItem->m_childItems.begin() + std::distance(labelItem->m_childItems.begin(), insertFinding), instanceItem);

  return instanceItem;
}

void QmitkMultiLabelTreeModel::GenerateInternalGroupTree(unsigned int groupID, QmitkMultiLabelSegTreeItem* groupItem)
{