Sha256: 1a3e007f520f99296534e96dbda2c708cb0ae4389fdbad7d46bbef463b61740b
Contents?: true
Size: 1.22 KB
Versions: 6
Compression:
Stored size: 1.22 KB
Contents
# TODO bus as class
# TODO may be, settable maxInstances
# TODO tree presentative logic in eventName syntax provided by ':', '.', ...
# require underscore
class EventBus
events: {}
#constructor: ->
bind: (eventName, callback) ->
if @events[eventName]
@events[eventName].push callback
else
@events[eventName] = [callback]
true
# TODO simplify logic
unbind: (eventName, callback = null) ->
if eventName
if eventsHeap = @events[eventName]
if callback
i = _.indexOf eventsHeap, callback
if i >= 0
eventsHeap.splice i, 1
true
else
false
else
delete @events[eventName]
else
false
else
if callback
# TODO return boolean
@unbind eventName, callback for eventName, eventsHeap of @events
else
false
has: (eventName, callback = null) ->
if eventsHeap = @events[eventName]
if callback
_.include eventsHeap, callback
else
true
else
false
trigger: (eventName, callbackArguments...) ->
for callback in @events[eventName] or []
callback.apply(@, callbackArguments)
# transitional instance
@bus = new EventBus
Version data entries
6 entries across 6 versions & 1 rubygems