Method setTreeData

src/backend/worksheet/TreeModel.cpp:261–264

}

bool TreeModel::setTreeData(const QVariant& data, const int row, const int column, const QModelIndex& parent, int role) {
	QModelIndex curveIndex = index(row, column, parent);
	return setData(curveIndex, data, role);
}

bool TreeModel::setData(const QModelIndex& index, const QVariant& value, int role) {
	if (role == Qt::EditRole || role == Qt::DisplayRole) {