when form data is changed clicking on navigation link require confirmation

Closes #136 (closed)

smash/web/static/js/appointment.js

@@ -146,17 +146,19 @@ function appointment_date_change_behaviour(datetime_picker, worker_select, minut
 
     $(worker_select).addClass(previousClass);
 
-    $(worker_select).on('focus', function () {
-        // Store the current value on focus and on change
-        previousClass = getSelectedClass();
-    }).change(function () {
+    function workerChanged() {
         // Do something with the previous value after the change
 
         $(worker_select).removeClass(previousClass);
         // Make sure the previous value is updated
         previousClass = getSelectedClass();
         $(worker_select).addClass(previousClass);
-    });
+    }
+
+    $(worker_select).on('focus', function () {
+        // Store the current value on focus and on change
+        previousClass = getSelectedClass();
+    }).change(workerChanged);
 
     function timeChange() {
         if ($(datetime_picker).val() != "") {
@@ -190,7 +192,7 @@ function appointment_date_change_behaviour(datetime_picker, worker_select, minut
                         option.className = "worker-option-no-match";
                     }
                 }
-                $(worker_select).trigger("change");
+                workerChanged();
             });
         }
     }