Merge branch 'master' into 3106-modal-loading-indicator

[arvados.git] / apps / workbench / app / assets / javascripts / infinite_scroll.js

diff --git a/apps/workbench/app/assets/javascripts/infinite_scroll.js b/apps/workbench/app/assets/javascripts/infinite_scroll.js
index 48b8136812558ebc6e12c7641a8217ade8d010a2..a17b446c465280127a476b108587f39bcbc10b87 100644 (file)
--- a/apps/workbench/app/assets/javascripts/infinite_scroll.js
+++ b/apps/workbench/app/assets/javascripts/infinite_scroll.js
@@ -2,9 +2,12 @@ function maybe_load_more_content() {
     var scroller = this;        // element with scroll bars
     var container;              // element that receives new content
     var src;                    // url for retrieving content
+    var scrollHeight;
+    var spinner, colspan;
+    scrollHeight = scroller.scrollHeight || $('body')[0].scrollHeight;
     if ($(scroller).scrollTop() + $(scroller).height()
         >
-        scroller.scrollHeight - 50) {
+        scrollHeight - 50) {
         container = $(this).data('infinite-container');
         src = $(container).attr('data-infinite-content-href');
         if (!src)
@@ -12,11 +15,27 @@ function maybe_load_more_content() {
             return;
         // Don't start another request until this one finishes
         $(container).attr('data-infinite-content-href', null);
+        spinner = '<div class="spinner spinner-32px spinner-h-center"></div>';
+        if ($(container).is('table,tbody,thead,tfoot')) {
+            // Hack to determine how many columns a new tr should have
+            // in order to reach full width.
+            colspan = $(container).closest('table').
+                find('tr').eq(0).find('td,th').length;
+            if (colspan == 0)
+                colspan = '*';
+            spinner = ('<tr class="spinner"><td colspan="' + colspan + '">' +
+                       spinner +
+                       '</td></tr>');
+        }
+        $(container).append(spinner);
         $.ajax(src,
                {dataType: 'json',
                 type: 'GET',
                 data: {},
                 context: {container: container, src: src}}).
+            always(function() {
+                $(this.container).find(".spinner").detach();
+            }).
             fail(function(jqxhr, status, error) {
                 if (jqxhr.readyState == 0 || jqxhr.status == 0) {
                     message = "Cancelled."
@@ -32,14 +51,17 @@ function maybe_load_more_content() {
             done(function(data, status, jqxhr) {
                 $(this.container).append(data.content);
                 $(this.container).attr('data-infinite-content-href', data.next_page_href);
-                $(document).trigger('ajax:complete');
             });
     }
 }
 $(document).
     on('ready ajax:complete', function() {
         $('[data-infinite-scroller]').each(function() {
-            $($(this).attr('data-infinite-scroller')).
+            var $scroller = $($(this).attr('data-infinite-scroller'));
+            if (!$scroller.hasClass('smart-scroll') &&
+                'scroll' != $scroller.css('overflow-y'))
+                $scroller = $(window);
+            $scroller.
                 addClass('infinite-scroller').
                 data('infinite-container', this).
                 on('scroll', maybe_load_more_content);