def nameAllowed(self):
"""Return whether names can be input by the user."""
context = self.context
if IContentType.providedBy(context):
context = context.context
if IAdding.providedBy(context):
context = context.context
if IWriteContainer.providedBy(context):
return not IContainerNamesContainer.providedBy(context)
else:
return False
def add(self, object):
name = self.getName(object)
if IContentType.providedBy(self.context):
ob = self.context.add(object, name)
elif IAdding.providedBy(self.context):
self.context.contentName = name
ob = self.context.add(object)
else:
raise ValueError("Can't add content.")
self._addedObject = ob
return ob
def __call__(self, context, default=None):
contenttype = queryUtility(IContentType, name=self.name, default=default)
if IContentType.providedBy(contenttype):
return contenttype.__bind__(context)
