Made Container less independant of Element, events are now fired.

lib/cyberarm_engine/ui/event.rb

@@ -1,13 +1,29 @@
 module CyberarmEngine
-  module Event
+  module Event # Gets included into Element
     def subscribe(event, method = nil, &block)
+      handler = method || block
+      @event_handler[event] << handler
+
+      Subscription.new(self, event, handler)
     end
 
-    def unsubscribe(event)
+    def unsubscribe(subscription)
     end
 
     def publish(event, *args)
-      # block.call(*args)
+      raise ArgumentError, "#{self.class} does not handle #{event.inspect}" unless @event_handler.include?(event)
+
+      return unless enabled?
+
+      if respond_to?(event)
+        return :handled if send(event, self, *args) == :handled
+      end
+
+      @event_handler[event].reverse_each do |handler|
+        return :handled if handler.call(self, *args) == :handled
+      end
+
+      return nil
     end
 
     def event(event)
@@ -17,5 +33,14 @@ module CyberarmEngine
   end
 
   class Subscription
+    attr_reader :publisher, :event, :handler
+
+    def initialize(publisher, event, handler)
+      @publisher, @event, @handler = publisher, event, handler
+    end
+
+    def unsubscribe
+      @publisher.unsubscribe(self)
+    end
   end
 end