AWV-1: Preventing looping on display set navigation

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

@@ -9,7 +9,7 @@
                 <i class="fa fa-toggle-down fa-fw"></i>
             {{/if}}
         </div>
-        <div class="buttonLabel">
+        <div class="buttonLabel" disabled="{{#if (disableButton isPrevious)}}disabled{{/if}}">
             {{#if isPrevious}}Previous{{else}}Next{{/if}}
         </div>
     </div>

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

@@ -3,10 +3,16 @@ import { Template } from 'meteor/templating';
 
 Template.displaySetNavigation.events({
     'click .js-next'(event, instance) {
-        OHIF.viewer.moveDisplaySet(true);
+        OHIF.viewer.moveDisplaySets(true);
     },
 
     'click .js-prev'(event, instance) {
-        OHIF.viewer.moveDisplaySet(false);
+        OHIF.viewer.moveDisplaySets(false);
+    }
+});
+
+Template.displaySetNavigation.helpers({
+    disableButton(isPrevious) {
+
     }
 });