/**
* Renders a category list item.
*
* This function gets called recursively to render sub categories.
*
* @param coursecat $category The category to render as listitem.
* @param coursecat[] $subcategories The subcategories belonging to the category being rented.
* @param int $totalsubcategories The total number of sub categories.
* @param int $selectedcategory The currently selected category
* @param int[] $selectedcategories The path to the selected category and its ID.
* @return string
*/
public function category_listitem(coursecat $category, array $subcategories, $totalsubcategories, $selectedcategory = null, $selectedcategories = array())
{
$isexpandable = $totalsubcategories > 0;
$isexpanded = !empty($subcategories);
$activecategory = $selectedcategory === $category->id;
$attributes = array('class' => 'listitem listitem-category', 'data-id' => $category->id, 'data-expandable' => $isexpandable ? '1' : '0', 'data-expanded' => $isexpanded ? '1' : '0', 'data-selected' => $activecategory ? '1' : '0', 'data-visible' => $category->visible ? '1' : '0', 'role' => 'treeitem', 'aria-expanded' => $isexpanded ? 'true' : 'false');
$text = $category->get_formatted_name();
$courseicon = $this->output->pix_icon('i/course', get_string('courses'));
$bcatinput = array('type' => 'checkbox', 'name' => 'bcat[]', 'value' => $category->id, 'class' => 'bulk-action-checkbox');
if (!$category->can_resort_subcategories() && !$category->has_manage_capability()) {
// Very very hardcoded here.
$bcatinput['style'] = 'visibility:hidden';
}
$viewcaturl = new moodle_url('/course/management.php', array('categoryid' => $category->id));
if ($isexpanded) {
$icon = $this->output->pix_icon('t/switch_minus', get_string('collapse'), 'moodle', array('class' => 'tree-icon'));
$icon = html_writer::link($viewcaturl, $icon, array('class' => 'float-left', 'data-action' => 'collapse'));
} else {
if ($isexpandable) {
$icon = $this->output->pix_icon('t/switch_plus', get_string('expand'), 'moodle', array('class' => 'tree-icon'));
$icon = html_writer::link($viewcaturl, $icon, array('class' => 'float-left', 'data-action' => 'expand'));
} else {
$icon = $this->output->pix_icon('i/navigationitem', '', 'moodle', array('class' => 'tree-icon'));
$icon = html_writer::link($viewcaturl, $icon, array('class' => 'float-left'));
}
}
$actions = \core_course\management\helper::get_category_listitem_actions($category);
$hasactions = !empty($actions) || $category->can_create_course();
$html = html_writer::start_tag('li', $attributes);
$html .= html_writer::start_div('clearfix');
$html .= html_writer::start_div('float-left ba-checkbox');
$html .= html_writer::empty_tag('input', $bcatinput) . ' ';
$html .= html_writer::end_div();
$html .= $icon;
if ($hasactions) {
$html .= html_writer::link($viewcaturl, $text, array('class' => 'float-left categoryname'));
} else {
$html .= html_writer::link($viewcaturl, $text, array('class' => 'float-left categoryname without-actions'));
}
$html .= html_writer::start_div('float-right');
if ($category->idnumber) {
$html .= html_writer::tag('span', s($category->idnumber), array('class' => 'dimmed idnumber'));
}
if ($hasactions) {
$html .= $this->category_listitem_actions($category, $actions);
}
$countid = 'course-count-' . $category->id;
$html .= html_writer::span(get_string('courses'), 'accesshide', array('id' => $countid));
$html .= html_writer::span(html_writer::span($category->get_courses_count()) . $courseicon, 'course-count dimmed', array('aria-labelledby' => $countid));
$html .= html_writer::end_div();
$html .= html_writer::end_div();
if ($isexpanded) {
$html .= html_writer::start_tag('ul', array('class' => 'ml', 'role' => 'group'));
$catatlevel = \core_course\management\helper::get_expanded_categories($category->path);
$catatlevel[] = array_shift($selectedcategories);
$catatlevel = array_unique($catatlevel);
foreach ($subcategories as $listitem) {
$childcategories = in_array($listitem->id, $catatlevel) ? $listitem->get_children() : array();
$html .= $this->category_listitem($listitem, $childcategories, $listitem->get_children_count(), $selectedcategory, $selectedcategories);
}
$html .= html_writer::end_tag('ul');
}
$html .= html_writer::end_tag('li');
return $html;
}
