510         return FacetRangeWidget

   510         return FacetRangeWidget

   511 

   511 

   512     def get_widget(self):

   512     def get_widget(self):

   513         """return the widget instance to use to display this facet"""

   513         """return the widget instance to use to display this facet"""

   514         values = set(value for _, value in self.vocabulary() if value is not None)

   514         values = set(value for _, value in self.vocabulary() if value is not None)

   515         return self.wdgclass(self, min(values), max(values))

   518         return self.wdgclass(self, min(values), max(values))

   516 

   519 

   517     def infvalue(self):

   520     def infvalue(self):

   518         return self._cw.form.get('%s_inf' % self.__regid__)

   521         return self._cw.form.get('%s_inf' % self.__regid__)

   519 

   522