public static function compose_list_name($contact)
    {
        static $compose_mode;

        if (!isset($compose_mode))  // cache this
            $compose_mode = rcube::get_instance()->config->get('addressbook_name_listing', 0);

        if ($compose_mode == 3)
            $fn = join(' ', array($contact['surname'] . ',', $contact['firstname'], $contact['middlename']));
        else if ($compose_mode == 2)
            $fn = join(' ', array($contact['surname'], $contact['firstname'], $contact['middlename']));
        else if ($compose_mode == 1)
            $fn = join(' ', array($contact['firstname'], $contact['middlename'], $contact['surname']));
        else if ($compose_mode == 0)
            $fn = $contact['name'] ?: join(' ', array($contact['prefix'], $contact['firstname'], $contact['middlename'], $contact['surname'], $contact['suffix']));
        else {
            $plugin = rcube::get_instance()->plugins->exec_hook('contact_listname', array('contact' => $contact));
            $fn     = $plugin['fn'];
        }

        $fn = trim($fn, ', ');
        $fn = preg_replace('/\s+/u', ' ', $fn);

        // fallbacks...
        if ($fn === '') {
            // ... display name
            if ($name = trim($contact['name'])) {
                $fn = $name;
            }
            // ... organization
            else if ($org = trim($contact['organization'])) {
                $fn = $org;
            }
            // ... email address
            else if (($email = self::get_col_values('email', $contact, true)) && !empty($email)) {
                $fn = $email[0];
            }
        }

        return $fn;
    }