Method showTopLevelOnly

src/frontend/widgets/TreeViewComboBox.cpp:226–234

! Hides the non-toplevel items of the model used in the tree view. */

	Hides the non-toplevel items of the model used in the tree view.
*/
void TreeViewComboBox::showTopLevelOnly(const QModelIndex& index) {
	int rows = index.model()->rowCount(index);
	for (int i = 0; i < rows; i++) {
		QModelIndex child = index.model()->index(i, 0, index);
		showTopLevelOnly(child);
		const auto* aspect = static_cast<const AbstractAspect*>(child.internalPointer());
		m_treeView->setRowHidden(i, index, !(isTopLevel(aspect) && !isHidden(aspect)));
	}
}

/*!
	catches the MouseButtonPress-event and hides the tree view on mouse clicking.