T207 save confirmation implemented

target/classes/static/js/datatransfer.js

@@ -8,6 +8,8 @@ var jsonIndex = 0;
 var htable_row = 0;
 var host = getDomain();
 var dataModified = false;
+var discardChanges = false;
+
 const C_UUID = 'mock-uuid';
 const setModified = function(){
     setDataModified();
@@ -96,16 +98,12 @@ function getCookie(cname) {
     return '';
 }
 
-function displaySaveConfirmation(){
-    alert('message has been saved');
-}
-
 function updateData(){
     var updatedJson = generateJson();
     const dataSaved = function () {
-        displaySaveConfirmation();
         setDataOrigin();
         getData();
+        savedModalDisplay();
     }
     var request = $.ajax({
         url: host + '/mock/json',