BUG: Fix issue with "No results found" message

Fixes an extraneous tooltip (for the plotMenu) would erroneously show on
screen. We change the context where the tooltip exists and limit it to
be the search bar only.

emperor/support_files/js/view-controller.js

@@ -184,15 +184,17 @@ define([
     // there's a few attributes we can only set on "ready" so list them up here
     $(function() {
       scope.$searchBar.tooltip({
+        content: 'No results found!',
         disabled: true,
         // place the element with a slight offset at the bottom of the input
         // so that it doesn't overlap with the "continuous values" elements
-        position: {my: 'center top+40', at: 'center bottom'},
+        position: {my: 'center top+40', at: 'center bottom',
+                   of: scope.$searchBar},
         // prevent the tooltip from disappearing when there's no matches
-        close: function() {
+        close: function(event, ui) {
           if (scope.bodyGrid.getDataLength() === 0 &&
               scope.$searchBar.val() !== '') {
-            $(this).tooltip('open');
+            scope.$searchBar.tooltip('open');
           }
         }
       });
@@ -390,12 +392,10 @@ define([
       // show a message when no results are found
       if (scope.bodyGrid.getDataLength() === 0 &&
           scope.$searchBar.val() !== '') {
-        scope.$searchBar.attr('title', 'No results found!');
         scope.$searchBar.tooltip('option', 'disabled', false);
         scope.$searchBar.tooltip('open');
       }
       else {
-        scope.$searchBar.attr('title', '');
         scope.$searchBar.tooltip('option', 'disabled', true);
         scope.$searchBar.tooltip('close');
       }