Method GetPointForModelIndex

Modules/QtWidgetsExt/src/QmitkPointListModel.cpp:204–236

}

bool QmitkPointListModel::GetPointForModelIndex(const QModelIndex &index,
                                                mitk::PointSet::PointType &p,
                                                mitk::PointSet::PointIdentifier &id) const
{
  mitk::PointSet::Pointer pointSet = this->CheckForPointSetInNode(m_PointSetNode);
  if (pointSet.IsNull())
    return false;

  if ((index.row() < 0) || (index.row() >= (int)pointSet->GetPointSet(m_TimeStep)->GetPoints()->Size()))
    return false;

  // get the nth. element, if it exists.
  // we can not use the index directly, because PointSet uses a map container,
  // where the index is not necessarily the same as the key.
  // Therefore we have to count the elements
  mitk::PointSet::PointsContainer::Iterator it = pointSet->GetPointSet(m_TimeStep)->GetPoints()->Begin();
  for (int i = 0; i < index.row(); ++i)
  {
    ++it;

    if (it == pointSet->GetPointSet(m_TimeStep)->GetPoints()->End())
      return false;
  }

  if (it != pointSet->GetPointSet(m_TimeStep)->GetPoints()->End()) // not at the end,
  {
    p = it->Value();
    id = it->Index();
    return true;
  }

  return false;
}

bool QmitkPointListModel::GetModelIndexForPointID(mitk::PointSet::PointIdentifier id, QModelIndex &index) const
{