Method clear

src/frontend/datasources/ROOTOptionsWidget.cpp:31–35

}

void ROOTOptionsWidget::clear() {
	qDeleteAll(histItem->takeChildren());
	qDeleteAll(treeItem->takeChildren());
	ui.twPreview->clearContents();
}

void fillTree(QTreeWidgetItem* node, const ROOTFilter::Directory& dir) {
	node->setFlags(Qt::ItemIsEnabled);