function setupNewItem($params)
 {
     $mdFactory = new Docman_MetadataFactory($params['group_id']);
     if (isset($params['force_item'])) {
         $this->newItem = $params['force_item'];
     } else {
         $this->newItem = $this->_getNewItem();
         $this->newItem->setParentId($params['item']->getId());
         $this->newItem->setGroupId($params['group_id']);
         $mdFactory->appendItemMetadataList($this->newItem);
         // Get default values
         $mdFactory->appendDefaultValuesToItem($this->newItem);
     }
     // Append, for list Metadata the list of values associated in the DB
     // (content of select box)
     $mdFactory->appendAllListOfValuesToItem($this->newItem);
 }