#### Class Mixins Extender
class Module
@moduleKeywords = ['extended', 'included']
@extend: (obj) ->
@[key] = value for key, value of obj when key not in @moduleKeywords
obj.extended?.apply(@)
@
@include: (obj) ->
@::[key] = value for key, value of obj when key not in @moduleKeywords
obj.included?.apply(@)
@
#### Mixins
Arrays =
object2array: (args) ->
item for item in args if args and args.length > 0
Strings =
pad: (string = '', width = 4, fill = ' ') ->
if string.length < width then string + new Array(width - string.length + 1).join(fill) else string
#### End Mixins
#### Simple Logger
class Logger extends Module
@include Arrays
@include Strings
constructor: () ->
@g = global ? global : window
format: (level, _args) ->
args = @object2array _args
args.unshift @pad '[' + level + '] ' + (new Date()).getTime() / 1000, 14
return args
log: ->
args = @format 'debug', arguments
Function::apply.call @g.console.log, @g.console, args
error: ->
args = @format 'error', arguments
Function::apply.call @g.console.error, @g.console, args
#### Simple FIFO Queue Interface
class Queue
constructor: ->
@queue = []
hasNext: ->
@queue.length > 0
enqueue: (item) ->
@queue.unshift item if item?
next: ->
@queue.pop()
#### Main Trigger Class
class Trigger
constructor: () ->
@events = {}
setLogger: (@logger) ->
_bind: (name, callback, once) ->
@events[name] ?= new Queue()
@events[name].enqueue {
callback
once
} if typeof callback is 'function'
bind: (name, callback) ->
@_bind name, callback, false
bindonce: (name, callback) ->
@_bind name, callback, true
unbind: (name) ->
delete @events[name] if name in Object.keys @events
execute: ->
(@logger.error "[trigger] Wrong trigger.execute call"; return false) if not arguments.length
@trigger.apply(@, arguments)
trigger: (name) ->
(@logger.error "[trigger] Name must be defined"; return false) if not name
(@logger.error "[trigger] Has no listeners for event: #{name}"; return false) if name not in Object.keys @events
@logger.log "[trigger] Executing event: #{name}"
args = @object2array arguments
queue = @events[name]
_queue = new Queue()
while queue.hasNext()
task = queue.next()
task.call args
_queue.enqueue task if not task.once
@events[name] = _queue
trigger = new Trigger()
trigger.setLogger(new Logger())
trigger.bind 'some_event', ->
console.log 'Fire Event!!!'
trigger.execute('some_event')
