def label(self, value):
"""Set the subset's label
Subset labels within a data object must be unique. The input
will be auto-disambiguated if necessary
"""
value = Registry().register(self, value, group=self.data)
self._label = value
def remove(self, data):
""" Remove a data set from the collection
Emits a DataCollectionDeleteMessage
:param data: the object to remove
:type data: :class:`~glue.core.data.Data`
"""
if data not in self._data:
return
self._data.remove(data)
Registry().unregister(data, Data)
if self.hub:
msg = DataCollectionDeleteMessage(self, data)
self.hub.broadcast(msg)
def delete(self):
"""Broadcast a SubsetDeleteMessage to the hub, and stop broadcasting
Also removes subset reference from parent data's subsets list
"""
dobroad = self._broadcasting and self.data is not None and \
self.data.hub is not None
self.do_broadcast(False)
if self.data is not None and self in self.data.subsets:
self.data._subsets.remove(self)
if dobroad:
msg = SubsetDeleteMessage(self)
self.data.hub.broadcast(msg)
Registry().unregister(self, group=self.data)
