/**
  * Convert an array of option arrays, to a SelectableOptionArray of SelectableOption objects
  * 
  * @param array $value
  * @return SelectableOptionArray
  * @throws WireException
  * 
  */
 protected function optionsArrayToObjects(array $value)
 {
     $options = new SelectableOptionArray();
     foreach ($value as $o) {
         $option = new SelectableOption();
         foreach ($o as $k => $v) {
             $option->set($k, $v);
         }
         $options->add($option);
     }
     return $options;
 }