def prepare_template_vars(self, name_prefix, data):
'''Prepare data for the template.
The markup for the object will be generated here, i.e before the
actual template is called to render().
'''
tpl_vars = FieldWidget.prepare_template_vars(self, name_prefix, data)
field, value = self.field, self.value
qname = tpl_vars.get('qname')
# If value is None, pass an empty (but structured) object created
# from the default factory
if value is None:
factory = Object.Factory(self.field.schema)
value = factory()
# Build the template context for the object's widget: some variables
# must be moved from current field context to the object's context
data1 = {}
for k in ['title', 'description', 'required', 'readonly']:
v = tpl_vars.pop(k, None)
if v:
data1[k] = v
# Generate markup for the object, feed to the current template context
qa = self.context.requested_action
markup = markup_for_object(qa,
value,
errors=self.errors,
name_prefix=qname,
data=data1)
tpl_vars['content'] = {'markup': markup}
return tpl_vars
def _from_xml(self, e):
f = self.field
obj = None
if f.context and isinstance(f.context.value, Object):
obj = f.context.value
else:
obj = Object.Factory(f.schema)()
ys = serializer_for_object(obj)
ys.target_namespace = self.target_namespace
p = e[0]
o = ys.from_xml(p)
return o
def _to_xsd_type(self, type_prefix):
xsd_uri = self.nsmap['xs']
f = self.field
obj = None
if f.context and isinstance(f.context.value, Object):
obj = f.context.value
else:
obj = Object.Factory(f.schema)()
# Create an xs:complexType element
e = Element(QName(xsd_uri, 'complexType'))
e1 = SubElement(e, QName(xsd_uri, 'sequence'))
# Append the XSD definition for obj-typed objects
ys = serializer_for_object(obj)
ys.target_namespace = self.target_namespace
ye, ye_tdefs = ys.to_xsd(type_prefix=type_prefix)
e1.append(ye)
return (e, ye_tdefs)