def flags(self, index):
# FIXME hardcoded column number
flags = QStandardItemModel.flags(self, index)
if (index.column() == 3 and
index.model().data(index.model().index(index.row(), index.column() - 2, index.parent()), Qt.DisplayRole) == "bool"):
flags = flags | Qt.ItemIsUserCheckable | Qt.ItemIsEditable | Qt.ItemIsEnabled
return flags
