Method GetValue

Common/DataModel/vtkTable.cxx:651–702

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
vtkVariant vtkTable::GetValue(vtkIdType row, vtkIdType col)
{
  vtkAbstractArray* arr = this->GetColumn(col);
  if (!arr)
  {
    return vtkVariant();
  }

  int comps = arr->GetNumberOfComponents();
  if (row >= arr->GetNumberOfTuples())
  {
    return vtkVariant();
  }

  if (comps == 1)
  {
    return arr->GetVariantValue(row);
  }

  if (vtkArrayDownCast<vtkDataArray>(arr))
  {
    // Create a variant holding an array of the appropriate type
    // with one tuple.
    vtkDataArray* da = vtkDataArray::CreateDataArray(arr->GetDataType());
    da->SetNumberOfComponents(comps);
    da->InsertNextTuple(row, arr);
    vtkVariant v(da);
    da->Delete();
    return v;
  }
  else if (vtkArrayDownCast<vtkStringArray>(arr))
  {
    vtkStringArray* data = vtkArrayDownCast<vtkStringArray>(arr);
    // Create a variant holding a vtkStringArray with one tuple.
    vtkNew<vtkStringArray> sa;
    sa->SetNumberOfComponents(comps);
    sa->InsertNextTuple(row, data);
    vtkVariant v(sa);
    return v;
  }
  else if (vtkArrayDownCast<vtkVariantArray>(arr))
  {
    vtkVariantArray* data = vtkArrayDownCast<vtkVariantArray>(arr);
    // Create a variant holding a vtkVariantArray with one tuple.
    vtkNew<vtkVariantArray> va;
    va->SetNumberOfComponents(comps);
    va->InsertNextTuple(row, data);
    vtkVariant v(va);
    return v;
  }
  return vtkVariant();
}

//------------------------------------------------------------------------------
vtkVariant vtkTable::GetValueByName(vtkIdType row, const char* col)