[Checkins] SVN: z3c.form/trunk/src/z3c/form/datamanager.py added comment about broken IDataManager adaption for inherited schema fields

[Roger Ineichen]

Log message for revision 127928:
  added comment about broken IDataManager adaption for inherited schema fields

Changed:
  U   z3c.form/trunk/src/z3c/form/datamanager.py

-=-
Modified: z3c.form/trunk/src/z3c/form/datamanager.py
===================================================================
--- z3c.form/trunk/src/z3c/form/datamanager.py	2012-10-06 18:28:58 UTC (rev 127927)
+++ z3c.form/trunk/src/z3c/form/datamanager.py	2012-10-07 16:20:37 UTC (rev 127928)
@@ -55,6 +55,13 @@
     def adapted_context(self):
         # get the right adapter or context
         context = self.context
+        # NOTE: zope.schema fields defined in inherited interfaces will point
+        # to the inherited interface. This could end in adapting the wrong item.
+        # This is very bad because the widget field offers an explicit interface
+        # argument which doesn't get used in Widget setup during IDataManager
+        # lookup. We should find a concept which allows to adapt the
+        # IDataManager use the widget field interface instead of the zope.schema
+        # field.interface, ri
         if self.field.interface is not None:
             context = self.field.interface(context)
         return context