/**
* Generate the starting container html for the start of a list of sections
* @param structure $structure the structure of the quiz being edited.
* @return string HTML to output.
*/
protected function start_section_list(structure $structure)
{
$class = 'slots';
if ($structure->get_section_count() == 1) {
$class .= ' only-one-section';
}
return html_writer::start_tag('ul', array('class' => $class));
}
