Add automatic lookup for custom ListBox rendering page template.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@11694 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/ListBox.py

@@ -2100,9 +2100,8 @@ class ListBoxHTMLRenderer(ListBoxRenderer):
       except AttributeError:
         return getattr(context.getPortalObject(), method_id).__of__(context)
       return aq_base(getattr(self.getContext(), method_id)).__of__(context)
-
-    # Otherwise, use the default one.
-    return context.asHTML.__of__(context)
+    # Try to get a page template from acquisition and fallback on default page template.
+    return getattr(context.getPortalObject(), 'ListBox_asHTML', context.asHTML).__of__(context)
 
   def render(self, **kw):
     """Render the data in HTML.