/**
  * Initializes a fieldset from a content object data map
  * @param array $dataMap
  * @return SQLIContentFieldset
  */
 public static function fromDataMap(array $dataMap)
 {
     $set = new SQLIContentFieldset();
     foreach ($dataMap as $key => $attribute) {
         $set->setContentObjectAttribute($attribute);
     }
     $set->initIterator();
     return $set;
 }