$group_id = CValue::get("group_id");
$concept_search = CValue::get("concept_search");
CValue::setSession('reference_class', $reference_class);
CValue::setSession('reference_id', $reference_id);
if ($reference_class) {
    /** @var CMbObject $reference */
    $reference = new $reference_class();
    if ($reference_id) {
        $reference->load($reference_id);
    }
} else {
    $reference = null;
}
CExClassField::$_load_lite = true;
CExObject::$_multiple_load = true;
CExObject::$_load_lite = $detail < 2;
$group_id = $group_id ? $group_id : CGroups::loadCurrent()->_id;
$where = array("group_id = '{$group_id}' OR group_id IS NULL");
if ($ex_class_id) {
    $where['ex_class_id'] = "= '{$ex_class_id}'";
}
if (empty(CExClass::$_list_cache)) {
    $ex_class = new CExClass();
    /** @var CExClass[] $ex_classes */
    $ex_classes = $ex_class->loadList($where, "name");
    $categories = CStoredObject::massLoadFwdRef($ex_classes, "category_id");
    $categories = CStoredObject::naturalSort($categories, array("title"));
    $categories = array(new CExClassCategory()) + $categories;
    foreach ($ex_classes as $_ex_class) {
        $_category_id = $_ex_class->category_id ?: 0;
        $categories[$_category_id]->_ref_ex_classes[$_ex_class->_id] = $_ex_class;
 *
 * @package    Mediboard
 * @subpackage forms
 * @author     SARL OpenXtrem <*****@*****.**>
 * @license    GNU General Public License, see http://www.gnu.org/licenses/gpl.html
 * @version    $Revision: 25935 $
 */
CCanDo::checkRead();
$date_min = CValue::getOrSession("date_min");
$date_max = CValue::getOrSession("date_max");
$group_id = CValue::getOrSession("group_id");
$concept_search = CValue::get("concept_search");
// concept values
CExClassField::$_load_lite = true;
CExObject::$_multiple_load = true;
CExObject::$_load_lite = true;
$ex_class = new CExClass();
$where = array("ex_link.group_id" => " = '{$group_id}'");
$ljoin = array();
$search = null;
if ($concept_search) {
    $concept_search = stripslashes($concept_search);
    $search = CExConcept::parseSearch($concept_search);
}
$ex_link = new CExLink();
$use_user_logs = $date_min < CExObject::DATE_LIMIT;
if ($use_user_logs) {
    $where["user_log.date"] = "BETWEEN '{$date_min} 00:00:00' AND '{$date_max} 23:59:59'";
    $where["user_log.type"] = "= 'create'";
    $where["user_log.object_class"] = "LIKE 'CExObject%'";
    $ljoin["user_log"] = "user_log.object_id = ex_link.ex_object_id AND user_log.object_class = CONCAT('CExObject_',ex_link.ex_class_id)";