def __data__(self):
if not IBound.providedBy(self):
raise UnboundPreferenceGroup(self.__id__)
# set principal data
self.principal.applySchema(self.__schema__)
data = self.__schema__(self.principal)
self.__dict__["__data__"] = data
return data
def __bind__(self, principal=None, parent=None):
clone = self.__class__.__new__(self.__class__)
clone.__dict__.update(self.__dict__)
# set parent
clone.__parent__ = parent
# set principal
if principal is None:
if IBound.providedBy(parent):
clone.__principal__ = parent.__principal__
else:
clone.__principal__ = getInteraction().participations[0].principal
else:
clone.__principal__ = principal
interface.alsoProvides(clone, IBound)
return clone
def isAvailable(self):
if not IBound.providedBy(self) or IUnauthenticatedPrincipal.providedBy(self.__principal__):
return False
return True
def data(self):
if not IBound.providedBy(self):
raise UnboundPreferenceGroup()
return getMultiAdapter((self.__principal__, self), IDataStorage)
