def __call__(self):
context = aq_inner(self.context)
fieldname = self.request.get('fieldname')
portal_type = self.request.get('portal_type')
fti = zope.component.getUtility(IDexterityFTI, name=portal_type)
schema = fti.lookupSchema()
field = schema.get(fieldname)
if field is None:
# The field might be defined in a behavior schema
behavior_assignable = IBehaviorAssignable(context, None)
for behavior_reg in behavior_assignable.enumerateBehaviors():
behavior_schema = IFormFieldProvider(behavior_reg.interface, None)
if behavior_schema is not None:
field = behavior_schema.get(fieldname)
if field is not None:
break
vname = field.vocabularyName
factory = zope.component.getUtility(IVocabularyFactory, vname)
tree = factory(context)
# XXX: "selected" is not set in input.pt, so does it make sense to check
# for it here? Only if this json view is called elsewhere, which
# doesn't seem to be the case...
selected = self.request.get('selected', '').split('|')
return JSONWriter().write(dict2dynatree(tree, selected, True, False))
