def installSchema(self):
sch = queryUtility(ISchemaType, self.__context__.oid)
if sch is None:
storage.registerSchema(
self.__context__.oid, self.schema,
type=ISchemaType, title=self.title, description=self.description)
def registerPreference(name, schema, klass=None,
title='', description='', configContext=None):
if '.' in name:
category, name = name.split('.', 1)
else:
category = ''
PreferenceClass = preferencetype.PreferenceType(
str(name), category, schema, klass, title, description)
# register storage schema
if getFields(schema):
storage.registerSchema(
'memphis.preferences-%s.%s'%(category, name), schema)
# instance
inst = PreferenceClass()
# register preference in preferences
def _register(preference):
root.Preferences.addPreference(preference)
config.addAction(
configContext,
discriminator = ('memphis.preferences:preference', category, name),
callable = _register, args = (inst,))
return inst
