define class for AdminPanel

src/resources/wwwroot/js/adminpanel.js

@@ -1,5 +1,14 @@
 $(document).ready(function () {
-    console.log("page loaded");
+    new AdminPanel();
+});
+
+class AdminPanel {
+    constructor() {
+        this.checkLoginState();
+        this.addClickListeners();
+    }
+
+    checkLoginState(){
         $.post('/senddata/checkloginstate', 'action=getloginstate', function (data) {
             console.log(data);
             if (data.loggedin == true) {
@@ -11,8 +20,9 @@ $(document).ready(function () {
                 $("#userlabel").html(" not logged in!!");
             }
         }, 'json');
+    }
 
-
+    addClickListeners(){
         $("#btn-shutdown").click(function (event) {
             console.log("shutting down server");
 
@@ -31,4 +41,5 @@ $(document).ready(function () {
 
             }, 'json');
         });
-});
+    }
+}