public function render(Varien_Object $row)
 {
     $severity = $row->getSeverity();
     $class = strtolower($severity);
     $value = $severity;
     return '<span class="grid-severity-' . $class . '"><span>' . $value . '</span></span>';
 }
 /**
  * Add a severity css class to the value
  *
  * @param  mixed         $value Logging Value
  * @param  Varien_Object $row   DB Log Entry
  * @return string Decorated HTML
  */
 public function decorateSeverity($value, $row)
 {
     $class = '';
     switch ($row->getSeverity()) {
         case Zend_Log::EMERG:
         case Zend_Log::ALERT:
         case Zend_Log::CRIT:
         case Zend_Log::ERR:
             $class = 'grid-severity-critical';
             break;
         case Zend_Log::WARN:
         case Zend_Log::NOTICE:
         case Zend_Log::INFO:
         case Zend_Log::DEBUG:
             $class = 'grid-severity-minor';
             break;
         default:
             $class = 'grid-severity-critical';
     }
     return '<span class="' . $class . '"><span>' . $value . '</span></span>';
 }