OEModule\OphCoCvi\components\OphCoCvi_Manager::getEventElements PHP Method

    public function getEventElements(\Event $event, $for_editing = false)
    {
        if (!$for_editing) {
            return $event->getElements();
        } else {
            $default = $event->eventType->getDefaultElements();
            $current = $event->getElements();
            if (count($current) == $default) {
                // assume a match implies all the elements are already recorded for the event.
                return $current;
            }
            $editable = array();
            foreach ($default as $el) {
                // check there's something in the current list as might be the last default elements that are not defined
                if (isset($current[0]) && get_class($el) == get_class($current[0])) {
                    // the order should be consistent across default and current.
                    $editable[] = array_shift($current);
                } else {
                    $editable[] = $el;
                }
            }
            return $editable;
        }
    }