Inherits from
- ListenerBase: enthought.traits.traits_listener.ListenerBase
Attributes
- deferred
Should registering listeners for items reachable from this listener item be deferred until the associated trait is first read or set?
deferred = ListProperty
- dispatch
The dispatch mechanism to use when invoking the handler:
dispatch = Property
- handler
The handler to be called when any listened-to trait is changed
handler = Property
- items
The list of ListenerBase objects in the group
items = List(ListenerBase)
- next
The next level (if any) of ListenerBase object to be called when any of this object's listened-to traits is changed
next = ListProperty
- notify
Should changes to this item generate a notification to the handler?
notify = ListProperty
- priority
Does the handler go at the beginning (True) or end (False) of the notification handlers list?
priority = ListProperty
- type
The type of handler being used:
type = ListProperty
- wrapped_handler
A 'wrapped' version of 'handler':
wrapped_handler = Property
Inherited from base classes
Method summary
- __repr__(self, seen = None)
- register(self, new)
- unregister(self, old)
Inherited from base classes
- __deepcopy__(self, memo)
- __getstate__(self)
- __prefix_trait__(self, name, is_set)
- __reduce_ex__(self, protocol)
- __setstate__(self, state, trait_change_notify = True)
- add_class_trait(cls, name, *trait)
- add_trait(self, name, *trait)
- add_trait_category(cls, category)
- add_trait_listener(self, object, prefix = '')
- all_trait_names(self)
- base_trait(self, name)
- class_default_traits_view(cls)
- class_editable_traits(cls)
- class_trait_names(cls, **metadata)
- class_trait_view(cls, name = None, view_element = None)
- class_trait_view_elements(cls)
- class_traits(cls, **metadata)
- clone_traits(self, traits = None, memo = None, copy = None, **metadata)
- configure_traits(self, filename = None, view = None, kind = None, edit = True, context = None, handler = None, id = '', scrollable = None, **args)
- copy_traits(self, other, traits = None, memo = None, copy = None, **metadata)
- copyable_trait_names(self, **metadata)
- default_traits_view(self)
- edit_traits(self, view = None, parent = None, kind = None, context = None, handler = None, id = '', scrollable = None, **args)
- editable_traits(self)
- has_traits_interface(self, *interfaces)
- on_trait_change(self, handler, name = None, remove = False, dispatch = 'same', priority = False, deferred = False)
- print_traits(self, show_help = False, **metadata)
- remove_trait(self, name)
- remove_trait_listener(self, object, prefix = '')
- reset_traits(self, traits = None, **metadata)
- set_trait_dispatch_handler(cls, name, klass, override = False)
- sync_trait(self, trait_name, object, alias = None, mutual = True, remove = False)
- trait(self, name, force = False, copy = False)
- trait_context(self)
- trait_get(self, *names, **metadata)
- trait_monitor(cls, handler, remove = False)
- trait_names(self, **metadata)
- trait_set(self, trait_change_notify = True, **traits)
- trait_setq(self, **traits)
- trait_subclasses(cls, all = False)
- trait_view(self, name = None, view_element = None)
- trait_view_elements(self)
- trait_views(self, klass = None)
- traits(self, **metadata)
- validate_trait(self, name, value)
Methods
- __repr__(self, seen = None)
Returns a string representation of the object.
Since the object graph may have cycles, we extend the basic __repr__ API to include a set of objects we've already seen while constructing a string representation. When this method tries to get the repr of a ListenerItem or ListenerGroup, we will use the extended API and build up the set of seen objects. The repr of a seen object will just be '<cycle>'.
- register(self, new)
Registers new listeners.
- unregister(self, old)
Unregisters any existing listeners.