Item_Ticket::showMassiveActionsSubForm PHP Method

    static function showMassiveActionsSubForm(MassiveAction $ma)
    {
        switch ($ma->getAction()) {
            case 'add_item':
                static::showFormMassiveAction($ma);
                return true;
            case 'delete_item':
                static::showFormMassiveAction($ma);
                return true;
        }
        return parent::showMassiveActionsSubForm($ma);
    }