def __call__(self, add=None, remove=None, field=None):
if add or remove:
schema_field = ISchema(self.context)[field]
values = list(schema_field.get(self.context))
setter = schema_field.getMutator(self.context)
controller = None
displayList = None
try:
displayList = schema_field.vocabulary.getDisplayList(\
self.context)
controller = lambda value: value in displayList
except AttributeError:
raise AttributeError("This Widget needs a vocabulary that "
"implements IVocabulary")
if add:
if controller(add) and add not in values:
setter(values + [add])
self.context.reindexObject()
return displayList.getValue(add)
if remove:
if remove in values:
values.remove(remove)
setter(values)
self.context.reindexObject()
return displayList.getValue(remove)
return super(BrowserView, self).__call__()
def Schema(self):
""" Overrides field definitions in fly.
Note that you want to cache the result of this method as it is called
many times when rendering view / edit for the content item.
"""
schema = self.getCachedValue("researcher_schema")
if schema is not None:
return schema
#print "Re-creating schema"
# Create modifiable copy of schema
# See Products.Archetypes.BaseObject1
schema = ISchema(self)
schema = schema.copy()
schema = ImplicitAcquisitionWrapper(schema, self)
settings = self.getResearchSettings()
for row in settings.getFieldCustomizations():
name = row.get("fieldName", None)
vocab = row.get("vocabToUse", None)
field = schema.get(name, None)
if field and vocab and hasattr(field, "vocabulary"):
# Modify field copy ion
displayList = settings.getVocabulary(vocab)
if displayList is not None:
field.vocabulary = displayList
self.setCachedValue("researcher_schema", schema)
return schema
