discourse/vendor/gems/discourse_plugin/lib/discourse_event.rb
2013-02-05 14:16:51 -05:00

28 lines
541 B
Ruby

# This is meant to be used by plugins to trigger and listen to events
# So we can execute code when things happen.
module DiscourseEvent
class << self
def trigger(event_name, *params)
return unless @events
return unless event_list = @events[event_name]
event_list.each do |ev|
ev.call(*params)
end
end
def on(event_name, &block)
@events ||= {}
@events[event_name] ||= Set.new
@events[event_name] << block
end
def clear
@events = {}
end
end
end