tl_content::setMultiSrcFlags PHP Method

    public function setMultiSrcFlags($varValue, DataContainer $dc)
    {
        if ($dc->activeRecord) {
            switch ($dc->activeRecord->type) {
                case 'gallery':
                    $GLOBALS['TL_DCA'][$dc->table]['fields'][$dc->field]['eval']['isGallery'] = true;
                    $GLOBALS['TL_DCA'][$dc->table]['fields'][$dc->field]['eval']['extensions'] = Config::get('validImageTypes');
                    break;
                case 'downloads':
                    $GLOBALS['TL_DCA'][$dc->table]['fields'][$dc->field]['eval']['isDownloads'] = true;
                    $GLOBALS['TL_DCA'][$dc->table]['fields'][$dc->field]['eval']['extensions'] = Config::get('allowedDownload');
                    break;
            }
        }
        return $varValue;
    }