AWV-1: Refactoring layout manager

Packages/viewerbase/client/components/viewer/displaySetNavigation/displaySetNavigation.js

@@ -3,16 +3,25 @@ import { Template } from 'meteor/templating';
 
 Template.displaySetNavigation.events({
     'click .js-next'(event, instance) {
+        if ($(event.currentTarget).hasClass('disabled')) {
+            return;
+        }
+
         OHIF.viewer.moveDisplaySets(true);
     },
 
     'click .js-prev'(event, instance) {
+        if ($(event.currentTarget).hasClass('disabled')) {
+            return;
+        }
+
         OHIF.viewer.moveDisplaySets(false);
     }
 });
 
 Template.displaySetNavigation.helpers({
-    disableButton(isPrevious) {
-
+    disableButton(isNext) {
+        Session.get('LayoutManagerUpdated');
+        return !OHIF.viewer.canMoveDisplaySets(isNext);
     }
 });