display the first active reporting widget

dream/platform/static/src/dream.js

@@ -875,25 +875,37 @@
     };
 
     that.displayResult = function (idx, result) {
-      var active_tab = $("#reports").data("ui-tabs") ?
-        $("#reports").tabs("option", "active") : 0; // XXX should not be 0, but the first enabled one
-
-      $('li.result').removeClass('active');
-      $($('li.result')[idx]).addClass('active');
-      if ($("#reports").data("ui-tabs")) {
-        $("#reports").tabs("destroy"); 
-      }
-
+      // the list of available widgets, in the same order that in html
       var available_widget_list = [
-        'debug_json',
         'station_utilisation_graph',
         'capacity_utilisation_graph',
-        'job_schedule_spreadsheet',
-        'job_gantt',
         'exit_stat',
         'queue_stat',
+        'job_schedule_spreadsheet',
+        'job_gantt',
+        'debug_json',
       ];
 
+      // The active tab is the one that is selected or the first one that is
+      // enabled
+      var active_tab;
+      if ($("#reports").data("ui-tabs")) {
+        active_tab = $("#reports").tabs("option", "active");
+      } else {
+        for (var i in available_widget_list) {
+          if (configuration['Dream-Configuration'].gui[available_widget_list[i]]) {
+            active_tab = i;
+            break;
+          }
+        }
+      }
+
+      $('li.result').removeClass('active');
+      $($('li.result')[idx]).addClass('active');
+      if ($("#reports").data("ui-tabs")) {
+        $("#reports").tabs("destroy"); 
+      }
+
       for (var i in available_widget_list) {
         var widget_name = available_widget_list[i];
         if (configuration['Dream-Configuration'].gui[widget_name]) {