forwarding alpha

lib/freightrain/signals/signal_host.rb

@@ -18,13 +18,22 @@ def signals
 
         def create_signals
           @signals = {}
-          signal_keys = self.class.instance_variable_get(:@signals)
-          signal_keys ||= []
-          signal_keys.each do |signal|
+          signals = self.class.instance_variable_get(:@signals)
+          signals ||= {}
+          signals.keys.each do |signal|
+            create_forward_method(signals[signal], signal) if signals[signal]
             @signals[signal] = FreightSignal.new
           end
         end
 
+        def create_forward_method(target_description, signal)
+          target = target_description[:forwards].split(".")[0]
+          event  = target_description[:forwards].split(".")[1]
+          self.class.send(:define_method, "#{target}_on_#{event}") do
+            fire signal.to_sym
+          end
+        end
+
         def hook_to_signals(host, prefix = nil)
           @signals.each do |signal_key, signal|
             method_name = "on_#{signal_key}"
@@ -37,9 +46,9 @@ def hook_to_signals(host, prefix = nil)
       end
     end
 
-    def signal(signal_name)
-      @signals ||= []
-      @signals << signal_name.to_sym
+    def signal(signal_name, options = nil)
+      @signals ||= {}
+      @signals[signal_name.to_sym] = options
     end
 
   end

lib/freightrain/views/freight_view.rb

@@ -32,6 +32,7 @@ def toplevel
     end
 
     def initialize()
+      create_signals
       @widgets = []
       if(Freightrain.toolkit)
         self.class.instance_eval("include Toolkit::DialogHelper")
@@ -40,7 +41,7 @@ def initialize()
       end
       hook_to_layout_widgets()
       load_bindings_from_file(@widgets)
-      create_signals
+
     end
 
     def hook_to_layout_widgets