You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.1 KiB
44 lines
1.1 KiB
_listener = {}
|
|
|
|
|
|
class Event(object):
|
|
"""Base event that can be sent to listeners.
|
|
"""
|
|
|
|
def send(self):
|
|
""" This function sends the instance of the class, i.e. the event
|
|
to be sent, to all function that listen to it.
|
|
"""
|
|
if self.__class__ in _listener:
|
|
for f, args in _listener[self.__class__]:
|
|
f(self, *args)
|
|
|
|
@classmethod
|
|
def listen(cls, *args):
|
|
def wrap(f):
|
|
if cls not in _listener:
|
|
_listener[cls] = []
|
|
_listener[cls].append((f, args))
|
|
|
|
# next step allow us to call the function itself without Event raised
|
|
def wrapped_f(*args):
|
|
f(*args)
|
|
return wrapped_f
|
|
return wrap
|
|
|
|
|
|
class RemoveEvent(Event):
|
|
def __init__(self, citekey):
|
|
self.citekey = citekey
|
|
|
|
|
|
class RenameEvent(Event):
|
|
def __init__(self, paper, old_citekey):
|
|
self.paper = paper
|
|
self.old_citekey = old_citekey
|
|
|
|
|
|
class AddEvent(Event):
|
|
def __init__(self, citekey):
|
|
self.citekey = citekey
|