function isVisible($a_ref_id, $a_type)
{
global $ilAccess, $tree, $ilSetting;
if (!$ilAccess->checkAccess('visible', '', $a_ref_id)) {
return false;
}
$is_course = false;
$container_parent_id = $tree->checkForParentType($a_ref_id, 'grp');
if (!$container_parent_id) {
$is_course = true;
$container_parent_id = $tree->checkForParentType($a_ref_id, 'crs');
}
if ($container_parent_id) {
// do not display session materials for container course/group
if ($ilSetting->get("repository_tree_pres") == "all_types" && $container_parent_id != $a_ref_id) {
// get container event items only once
if (!isset($this->session_materials[$container_parent_id])) {
include_once './Modules/Session/classes/class.ilEventItems.php';
$this->session_materials[$container_parent_id] = ilEventItems::_getItemsOfContainer($container_parent_id);
}
// get item group items only once
if (!isset($this->item_group_items[$container_parent_id])) {
include_once './Modules/ItemGroup/classes/class.ilItemGroupItems.php';
$this->item_group_items[$container_parent_id] = ilItemGroupItems::_getItemsOfContainer($container_parent_id);
}
if (in_array($a_ref_id, $this->session_materials[$container_parent_id])) {
return false;
}
if (in_array($a_ref_id, $this->item_group_items[$container_parent_id])) {
return false;
}
}
}
return true;
}
