source/Application/Model/OrderFile.php
protected function _getFieldLongName($sFieldName)
    {
        $aFieldNames = [
            'oxorderfiles__oxarticletitle',
            'oxorderfiles__oxarticleartnum',
            'oxorderfiles__oxordernr',
            'oxorderfiles__oxorderdate',
            'oxorderfiles__oxispaid',
            'oxorderfiles__oxpurchasedonly'
        ];

        if (in_array($sFieldName, $aFieldNames)) {
            return $sFieldName;
        }

        return parent::_getFieldLongName($sFieldName);
    }
protected function _getFieldLongName($sFieldName)
    {
        $aFieldNames = [
            'oxorderfiles__oxarticletitle',
            'oxorderfiles__oxarticleartnum',
            'oxorderfiles__oxordernr',
            'oxorderfiles__oxorderdate',
            'oxorderfiles__oxispaid',
            'oxorderfiles__oxpurchasedonly'
        ];

        if (in_array($sFieldName, $aFieldNames)) {
            return $sFieldName;
        }

        return parent::_getFieldLongName($sFieldName);
    }
protected function _getFieldLongName ( $ sFieldName ) { $ aFieldNames = [ 'oxorderfiles__oxarticletitle' , 'oxorderfiles__oxarticleartnum' , 'oxorderfiles__oxordernr' , 'oxorderfiles__oxorderdate' , 'oxorderfiles__oxispaid' , 'oxorderfiles__oxpurchasedonly' ] ; if ( in_array ( $ sFieldName , $ aFieldNames ) ) { return $ sFieldName ; } return parent :: _getFieldLongName ( $ sFieldName ) ; }
returns long name

@param string $sFieldName - field name

@return string
returns long name