Documentacion agregada - previo a la presentacion

[VSoRC/.git] / js / topology / topology.js

diff --git a/js/topology/topology.js b/js/topology/topology.js
index 45040e107c1709d4bfd6353d5f94950520fc3a07..7808f33e749c1669a366302c2c42f9b66bfb6e13 100644 (file)
--- a/js/topology/topology.js
+++ b/js/topology/topology.js
@@ -43,6 +43,14 @@ $(function () {
     //          "port": {"source": "00000003", "target": "00000002"}, "value": 4},
     //       ...
     //     ]}
+function displayMessage(msg) {
+    var $x = $("#snackbar");
+    $x.text(msg)
+    $x.toggleClass("show");
+    setTimeout(function () { $x.toggleClass("show"); }, 3000);
+}
+
+
     function toGraph(top) {
         var nodes = [];
         var links = [];
@@ -294,22 +302,21 @@ $(function () {
 // La funcion jsonget fue creada para sustituir el metodo json de D3
 
         function jsonget() {
-
           let xhr = new XMLHttpRequest();
           xhr.open('GET', "/gettopo" , true);
           //console.log(xhr); //para ver en la consola
           xhr.onload = function() {
             if (xhr.status == 200) { //can use this.status instead
               //console.log(xhr.responseText);// para ver en la consola
-
-              listTopology(JSON.parse(xhr.responseText));
+               if(xhr.response === null || xhr.response === ""){
+               displayMessage("No response from controller")
+               }
               plotGraph(toGraph(JSON.parse(xhr.responseText)));
             }
           }
           xhr.send();
         }
-
-        jsonget();
+      jsonget();