--- a/web/views/facets.py	Wed Jul 08 10:34:31 2009 +0200
+++ b/web/views/facets.py	Wed Jul 08 12:51:04 2009 +0200
@@ -16,7 +16,8 @@
                                 match_context_prop, yes, relation_possible)
 from cubicweb.web.box import BoxTemplate
 from cubicweb.web.facet import (AbstractFacet, FacetStringWidget, RelationFacet,
-                                prepare_facets_rqlst, filter_hiddens)
+                                prepare_facets_rqlst, filter_hiddens, _cleanup_rqlst,
+                                _prepare_vocabulary_rqlst)
 
 @objectify_selector
 def contextview_selector(cls, req, rset=None, row=None, col=None, view=None,
@@ -163,6 +164,18 @@
             return
         self.rqlst.add_type_restriction(self.filtered_variable, value)
 
+    def possible_values(self):
+        """return a list of possible values (as string since it's used to
+        compare to a form value in javascript) for this facet
+        """
+        rqlst = self.rqlst
+        rqlst.save_state()
+        try:
+            _cleanup_rqlst(rqlst, self.filtered_variable)
+            _prepare_vocabulary_rqlst(rqlst, self.filtered_variable, self.rtype, self.role)
+            return [x.name for x in self.rqlexec(rqlst.as_string()).entities()]
+        finally:
+            rqlst.recover()
 
 class HasTextFacet(AbstractFacet):
     __select__ = relation_possible('has_text', 'subject') & match_context_prop()