public function getDetailFieldsClassNames()
    {
        $classes = ['detail-fields'];
        
        $classes[] = $this->owner->DetailFieldsInline ? 'inline' : 'block';
        
        if ($this->owner->DetailFieldsHideIcons) {
            $classes[] = 'hide-icons';
        }
        
        if ($this->owner->DetailFieldsHideNames) {
            $classes[] = 'hide-names';
        }
        
        if ($this->owner->DetailFieldsHideHeader) {
            $classes[] = 'hide-header';
        }
        
        $this->owner->extend('updateDetailFieldsClassNames', $classes);
        
        return $classes;
    }