/**
  * Decorate Type column values
  *
  * @param  mixed         $value  Column value
  * @param  Varien_Object $row    Current Row
  * @param  Varien_Object $column Current Column
  * @return string Decorated field
  */
 public function decorateType($value, $row, $column)
 {
     $categoryId = $column->getGrid()->getCategory()->getId();
     if ($categoryId) {
         $productIds = Mage::getResourceSingleton('dynamiccategory/rule')->getDynamicProductIdsByCategory($categoryId);
         if (in_array($row->getId(), $productIds)) {
             $class = 'grid-severity-major';
             $value = $column->getGrid()->__('dynamic');
         } else {
             $class = 'grid-severity-notice';
             $value = $column->getGrid()->__('static');
         }
         return '<span class="' . $class . '"><span>' . $value . '</span></span>';
     }
 }