Merge pull request #571 from Raz0r/patch-4

hide apply button if no filters

flask_admin/static/admin/js/filters.js

@@ -29,8 +29,13 @@ var AdminFilters = function(element, filtersElement, filterGroups) {
 
     function removeFilter() {
         $(this).closest('tr').remove();
-        $('button', $root).show();
-
+        if($('.filters tr').length == 0) {
+            $('button', $root).hide();
+            $('a[class=btn]', $root).hide();
+        } else {
+            $('button', $root).show();
+        }
+        
         return false;
     }