public function containerItemsProcFunc(array &$params)
    {
        $this->init($params['row']['pid']);
        $possibleContainers = [];
        $this->removeItemsFromListOfSelectableContainers($params, $possibleContainers);

        if (!empty($possibleContainers)) {
            $params['items'] = array_merge($params['items'], $possibleContainers);
        }
        $itemUidList = '';
        if (count($params['items']) > 1) {
            foreach ($params['items'] as $container) {
                if ($container[1] > 0) {
                    $itemUidList .= $itemUidList ? ',' . $container[1] : $container[1];
                }
            }
        }

        if ($itemUidList) {
            $this->deleteDisallowedContainers($params, $itemUidList);
        }
    }