This is a basic event emitter for KDFramework.
After mixing in KDEventEmitter to your class you can use class and instance level listeners.
class KDView
  @include KDEventEmitter
...
KDView.on eventName, callback
KDView.once eventName, callback
KDView.off eventName # kills all listeners
KDView.emit eventName[, arg1[, arg2[, ...]]]view = new KDView
view.on eventName, callback
view.once eventName, callback
view.off eventName # kills all listeners
view.emit eventName[, arg1[, arg2[, ...]]]- @devrim - Devrim Yasar
 - @sinan - Sinan Yasar
 - @humanchimp - Chris Thorn