NavigationPolicy

using System.Collections.Generic;
using FubuMVC.Core.Registration;

namespace FieldBook.Interface.Navigation
{
    public class NavigationPolicy : IConfigurationAction 
    {
        public void Configure(BehaviorGraph graph)
        {
            
            var visitor = new NavigationVisitor();
            graph.Behaviors.Each(x => visitor.VisitBehavior(x));
//            graph.VisitBehaviors(visitor);
            visitor.Register(graph.Services.AddService);
        }
    }
}

NavigationVisitor.cs

using System;
using System.Collections.Generic;
using FubuCore.Reflection;
using FubuMVC.Core.Registration.Nodes;
using FubuMVC.Core.Registration.ObjectGraph;
using StructureMap;

namespace FieldBook.Interface.Navigation
{
    public class NavigationVisitor //: IBehaviorVisitor
    {
        private readonly ListDependency _policies = new ListDependency(typeof(IEnumerable<IMenuPolicy>));
        private readonly List<IMenuPolicy> _menuPolicies = new List<IMenuPolicy>();
        public NavigationVisitor()
        {
        }

        public void VisitBehavior(BehaviorChain chain)
        {
            if(chain != null && chain.FirstCall() != null && chain.FirstCall().Method.HasAttribute<NavigationAttribute>() && chain.InputType() != null)
            {
                ActionCall actionCall = chain.FirstCall();
                var attr = actionCall.Method.GetAllAttributes<NavigationAttribute>();
               
                foreach (var navigationAttribute in attr)
                {
//                    _observer.RecordCallStatus(actionCall, "NavigationVisitor: Matched on has navigation attribute filter");

                    Type ruleType = typeof(ContextualMenuRule<>).MakeGenericType(chain.InputType());

                    var depDef = _policies.AddType(typeof(MenuPolicy<>).MakeGenericType(chain.InputType()));

                    var ruleDef = new ObjectDef(ruleType);
                    
                    ruleDef.Dependency(new ValueDependency(typeof(ActionCall), actionCall));
                    ruleDef.Dependency(new ValueDependency(typeof(NavigationAttribute), navigationAttribute));


                    depDef.Dependency(new ConfiguredDependency(typeof(IMenuRule<>).MakeGenericType(chain.InputType()), ruleDef));
                }
                
            }
        }

        public IEnumerable<ObjectDef> AllMenus
        {
            get
            {
                return _policies.Items;
            }
        }

        public void Register(Action<Type, ObjectDef> register)
        {
            var cacheDef = new ObjectDef(typeof (MenuRegistry));

              cacheDef.Dependency(_policies);
            register(typeof (IMenuRegistry), cacheDef);
        }
    }
}