# HG changeset patch
# User Charles Hébert <charles.hebert@logilab.fr>
# Date 1266418689 -3600
# Node ID d69d7ccbe04646efefb6093a176594ac5dc30d7a
# Parent  95ccd84c892ba155f45de100e9c5bd42312eb96b
Fix: RangeFacet is selected (valid rset) but without any values

diff -r 95ccd84c892b -r d69d7ccbe046 web/facet.py
--- a/web/facet.py	Wed Feb 17 15:57:03 2010 +0100
+++ b/web/facet.py	Wed Feb 17 15:58:09 2010 +0100
@@ -512,6 +512,9 @@
     def get_widget(self):
         """return the widget instance to use to display this facet"""
         values = set(value for _, value in self.vocabulary() if value is not None)
+        # Rset with entities (the facet is selected) but without values
+        if len(values) == 0:
+            return None
         return self.wdgclass(self, min(values), max(values))
 
     def infvalue(self):