Method treeData

src/backend/worksheet/TreeModel.cpp:143–146

}

QVariant TreeModel::treeData(const int row, const int column, const QModelIndex& parent, const int role) {
	QModelIndex currentIndex = index(row, column, parent);
	return data(currentIndex, role);
}

QVariant TreeModel::data(const QModelIndex& index, int role) const {
	if (!index.isValid())