/**
  * Checks a configuration.
  *
  * @see paAlert
  */
 public function getAlertOutput(paAlert $alert)
 {
     $pluginAssetsPath = $this->config['plugin']['assets_path'];
     switch ($alert->getStatus()) {
         case paAlert::ALERT:
         case paAlert::CRIT:
         case paAlert::ERR:
             $color = '#fd3900';
             $image = $pluginAssetsPath . '/images/alert.png';
             $alt = 'fatal';
             break;
         case paAlert::WARNING:
             $color = '#6a9ee6';
             $image = $pluginAssetsPath . '/images/warning.png';
             $alt = 'warning';
             break;
         case paAlert::NOTICE:
         case paAlert::INFO:
             $color = '#60b111';
             $image = $pluginAssetsPath . '/images/check.png';
             $alt = 'ok';
             break;
         default:
             throw new RuntimeException(sprintf('The "%d" alert status is not handled ! It must be implemented in the sfProjectAnalyseTask::getAlertOutput() function.', $alert->getStatus()), -1);
             break;
     }
     return sprintf('
   <div style="background-color: %s; padding: 4px; margin: 3px; border: 1px #ddd solid; font-size: 18px">
     <div style="float: left"><img alt="%s" style="width: 60%%; vertical-align: middle; margin-right: 10px" src="%s" /></div>
     <div style="float: left; margin-top: 7px; text-align: left;">%s%s</div>
     <div style="clear: both"></div>
   </div>', $color, $alt, $image, $alert->getMessage(), $alert->hasHelp() ? '<div style="background-color: #fff; padding:5px">What to do: ' . $alert->getHelp() . '</div>' : '');
 }