prevent autorefresh when pending upload

don't clear list if 'upload' button are present to avoid clearing the
list and the upload form

IPython/frontend/html/notebook/static/js/notebooklist.js

@@ -260,6 +260,7 var IPython = (function (IPython) {
         var that = this;
         var new_buttons = $('<span/>').addClass('item_buttons');
         var upload_button = $('<button>Upload</button>').button().
+            addClass('upload-button').
             click(function (e) {
                 var nbname = item.find('.item_name > input').attr('value');
                 var nbformat = item.data('nbformat');

IPython/frontend/html/notebook/static/js/projectdashboardmain.js

@@ -37,12 +37,18 $(document).ready(function () {
 
     var enable_autorefresh = function(){
         //refresh immediately , then start interval
+        if($('upload_button').length == 0)
+        {
         IPython.notebook_list.load_list();
         IPython.cluster_list.load_list();
+        }
         if (!interval_id){
             interval_id = setInterval(function(){
+                    if($('upload_button').length == 0)
+                    {
                     IPython.notebook_list.load_list();
                     IPython.cluster_list.load_list();
+                    }
                 }, time_refresh*1000);
             }
     }
@@ -65,6 +71,9 $(document).ready(function () {
     // finally start it, it will refresh immediately
     enable_autorefresh();
 
+    IPython.enable_autorefresh = enable_autorefresh;
+    IPython.disable_autorefresh = disable_autorefresh;
+
     IPython.page.show();
     
     // bound the upload method to the on change of the file select list