introduce disabled-rate class to disable rating

app/assets/javascripts/application.js

@@ -49,6 +49,7 @@
 //= require selectize
 //= require jquery.raty
 //= require ratyrate
+//= require osem-rating
 
 $(document).ready(function() {
     $('a[disabled=disabled]').click(function(event){

app/assets/javascripts/osem-rating.js

@@ -0,0 +1,5 @@
+$( document ).ready(function() {
+      $(".disabled-rate .star").each(function(){
+          $(this).raty('readOnly', true);
+      });
+});

app/views/admin/events/_voting.html.haml

@@ -11,7 +11,8 @@
               %td.col-md-2
                 = field.title
               %td
-                = rating_for @event, field.title, disable: true, star: field.stars
+                %div.disabled-rate
+                  = rating_for @event, field.title, disable: true, star: field.stars
           %tr
             %td
               Voters