def toFieldValue(self, value):
"""field value is an Object type, that provides schema"""
if value is NO_VALUE:
return self.field.missing_value
if self.widget.subform is None:
#creepy situation when the widget is hanging in nowhere
obj = self.createObject(value)
else:
if self.widget.subform.ignoreContext:
obj = self.createObject(value)
else:
dm = zope.component.getMultiAdapter(
(self.widget.context, self.field), IDataManager)
try:
obj = dm.get()
except KeyError:
obj = {} # self.createObject(value)
except AttributeError:
obj = {} # self.createObject(value)
if obj is None or obj == self.field.missing_value:
#if still None create one, otherwise following will burp
obj = {}
# don't need to adapt our schema since the dictionary converter
# will deal with that (never mind how dict do not get adapted).
# obj = self.schema(obj)
names = []
for name in zope.schema.getFieldNames(self.schema):
try:
dm = zope.component.getMultiAdapter(
(obj, self.schema[name]), IDataManager)
oldval = dm.query()
if (oldval != value[name]
or zope.schema.interfaces.IObject.providedBy(
self.schema[name])
):
dm.set(value[name])
names.append(name)
except KeyError:
pass
# XXX workaround for JSON import
try:
obj = scrub_json_unicode_to_string(obj)
except:
# Not really our problem... although it will be nice if
# we can reset this and then notify end user.
pass
if names:
zope.event.notify(
zope.lifecycleevent.ObjectModifiedEvent(obj,
zope.lifecycleevent.Attributes(self.schema, *names)))
return obj
def _annotate(self, data):
# XXX wholesale reimplementation of core method. Once a proper
# filter is implemented by parent class we can avoid doing this.
note = self.note
try:
for a, v in data:
# XXX figure out how to gracefully handle schema errors
# (such as missing values).
if a == 'flags':
v = scrub_json_unicode_to_string(v)
setattr(note, a, v)
except TypeError:
raise TypeError('%s.generate failed to return a list of ' \
'tuple(key, value)' % self.__class__)
except ValueError:
raise ValueError('%s.generate returned invalid values (not ' \
'list of tuple(key, value)' % self.__class__)
