DataObject::DataObject(const QString & name, vtkDataSet * dataSet)
: d_ptr{ std::make_unique<DataObjectPrivate>(*this, name, dataSet) }
{
setObjectName(name);
if (dataSet)
{
connectObserver("dataChanged", *dataSet, vtkCommand::ModifiedEvent,
*this, &DataObject::signal_dataChanged);
connectObserver("attributeArraysChanged", *dataSet->GetPointData(),
vtkCommand::ModifiedEvent, *this, &DataObject::signal_attributeArraysChanged);
connectObserver("attributeArraysChanged", *dataSet->GetCellData(),
vtkCommand::ModifiedEvent, *this, &DataObject::signal_attributeArraysChanged);
connectObserver("attributeArraysChanged", *dataSet->GetFieldData(),
vtkCommand::ModifiedEvent, *this, &DataObject::signal_attributeArraysChanged);
bool resetName = true;
auto fieldData = dataSet->GetFieldData();
if (auto nameArray = fieldData->GetAbstractArray(nameAttributeName()))
{
const auto storedName = vtkArrayToQString(*nameArray);
resetName = name != storedName;
}
if (resetName)
{
fieldData->RemoveArray(nameAttributeName());
vtkSmartPointer<vtkCharArray> newArray = qstringToVtkArray(name);
newArray->SetName(nameAttributeName());
fieldData->AddArray(newArray);
}
}
}
vtkSmartPointer<vtkCharArray> qstringToVtkArray(const QString & string)
{
auto array = vtkSmartPointer<vtkCharArray>::New();
qstringToVtkArray(string, *array);
return array;
}