Before Robotlegs

protected function view1_viewActivateHandler(event:ViewNavigatorEvent):void
            {
                // clears the filter box in case its filtering the view
                filterTxt.text = "";

                scontroller = ApplicationStore.services["syscontroller"];
                var tracker:AnalyticsTracker = ApplicationStore.services["tracker"];

                if (! scontroller){
                    scontroller = new SystemsController();
                    ApplicationStore.services["syscontroller"] = scontroller;

                }
                this.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);

                scontroller.addEventListener(CollectionEvent.COLLECTION_CHANGE, onCollectionChange);

                if (scontroller.hosts.length < 1){

                    scontroller.refreshhosts();
                    tracker.trackPageview("/Systems");

                }
                else if (scontroller.hosts.length > 0){
                    onCollectionChange(null);
                    trace("hosts array already exists");
                }
                //tracker.trackEvent("Usage Stats", "Systems", "Number of hosts", scontroller.hosts.length);
                //this is needed to make sure all the hosts appear after setting the search field blank
                scontroller.hosts.refresh();

                // lets go ahead and get this information and cache it
                var classcontroller:ClassController;

                if (ApplicationStore.services["classcontroller"]){
                    classcontroller = ApplicationStore.services["classcontroller"];
                }
                else{
                    classcontroller = new ClassController();
                    ApplicationStore.services["classcontroller"] = classcontroller;
                }
            }