bool QVtkTableModelRawVector::setData(const QModelIndex & index, const QVariant & value, int role)
{
if (role != Qt::EditRole || index.column() == 0 || !m_data)
{
return false;
}
bool ok;
const double f_value = value.toDouble(&ok);
if (!ok)
{
return false;
}
const vtkIdType tupleId = index.row(), component = index.column() - 1;
int components = m_data->GetNumberOfComponents();
assert(component < components && tupleId < m_data->GetNumberOfTuples());
std::vector<double> tupleData(components);
m_data->GetTuple(tupleId, tupleData.data());
tupleData[component] = f_value;
m_data->SetTuple(tupleId, tupleData.data());
m_data->Modified();
return true;
}
// apply to each row in buffer from START to END, but stop after CT rows
void ExecStreamBufTupleFunctor::foreachRow(
ExecStreamBufAccessor &bufAccessor,
PConstBuffer start, PConstBuffer end, int ct)
{
TupleDescriptor const &tupleDesc = bufAccessor.getTupleDesc();
TupleData tupleData(tupleDesc);
TupleAccessor &tupleAccessor = bufAccessor.getScratchTupleAccessor();
for (PConstBuffer pTuple = start;
ct > 0 && pTuple != end;
ct--, pTuple += tupleAccessor.getCurrentByteCount())
{
tupleAccessor.setCurrentTupleBuf(pTuple);
// while we're here, we might as well sanity-check the content
assert(pTuple + tupleAccessor.getCurrentByteCount()
<= bufAccessor.getConsumptionEnd());
tupleAccessor.unmarshal(tupleData);
// TODO: sanity-check individual data values?
(*this)(tupleDesc, tupleData);
}
}
