code: def folderitem(self, obj, item, index):
          
          item = super(ReferenceSamplesView, self).folderitem(obj, item, index)
  
          # ensure we have an object and not a brain
          obj = api.get_object(obj)
          url = api.get_url(obj)
          title = api.get_title(obj)
  
          item["Title"] = title
          item["replace"]["Title"] = get_link(url, value=title)
          item["allow_edit"] = self.get_editable_columns()
  
          # Supported Services
          supported_services_choices = self.make_supported_services_choices(obj)
          item["choices"]["SupportedServices"] = supported_services_choices
  
          # Position
          item["Position"] = "new"
          item["choices"]["Position"] = self.make_position_choices()
  
          return item
docs: Service triggered each time an item is iterated in folderitems.
  
          The use of this service prevents the extra-loops in child objects.
  
          :obj: the instance of the class to be foldered
          :item: dict containing the properties of the object to be used by
              the template
          :index: current index of the item