X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f12986389693d4155847204210d9c84492ac6837..bfd5100c4e0bed1910875099937169f1b0c8ce7b:/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 a17b446c46..7bdf574ed9 100644
--- a/apps/workbench/app/assets/javascripts/infinite_scroll.js
+++ b/apps/workbench/app/assets/javascripts/infinite_scroll.js
@@ -1,25 +1,34 @@
-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
+function maybe_load_more_content(event) {
+    var scroller = this;
+    var $container = $(event.data.container);
+    var src;                     // url for retrieving content
     var scrollHeight;
     var spinner, colspan;
+    var serial = Date.now();
+    var params;
     scrollHeight = scroller.scrollHeight || $('body')[0].scrollHeight;
     if ($(scroller).scrollTop() + $(scroller).height()
         >
-        scrollHeight - 50) {
-        container = $(this).data('infinite-container');
-        src = $(container).attr('data-infinite-content-href');
-        if (!src)
+        scrollHeight - 50)
+    {
+        if (!$container.attr('data-infinite-content-href0')) {
+            // Remember the first page source url, so we can refresh
+            // from page 1 later.
+            $container.attr('data-infinite-content-href0',
+                            $container.attr('data-infinite-content-href'));
+        }
+        src = $container.attr('data-infinite-content-href');
+        if (!src || !$container.is(':visible'))
             // Finished
             return;
+
         // Don't start another request until this one finishes
-        $(container).attr('data-infinite-content-href', null);
+        $container.attr('data-infinite-content-href', null);
         spinner = '<div class="spinner spinner-32px spinner-h-center"></div>';
-        if ($(container).is('table,tbody,thead,tfoot')) {
+        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').
+            colspan = $container.closest('table').
                 find('tr').eq(0).find('td,th').length;
             if (colspan == 0)
                 colspan = '*';
@@ -27,16 +36,43 @@ function maybe_load_more_content() {
                        spinner +
                        '</td></tr>');
         }
-        $(container).append(spinner);
+        $container.find(".spinner").detach();
+        $container.append(spinner);
+        $container.attr('data-infinite-serial', serial);
+
+        if (src == $container.attr('data-infinite-content-href0')) {
+            // If we're loading the first page, collect filters from
+            // various sources.
+            params = mergeInfiniteContentParams($container);
+            $.each(params, function(k,v) {
+                if (v instanceof Object) {
+                    params[k] = JSON.stringify(v);
+                }
+            });
+        } else {
+            // If we're loading page >1, ignore other filtering
+            // mechanisms and just use the "next page" URI from the
+            // previous page's response. Aside from avoiding race
+            // conditions (where page 2 could have different filters
+            // than page 1), this allows the server to use filters in
+            // the "next page" URI to achieve paging. (To apply any
+            // new filters effectively, we need to load page 1 again
+            // anyway.)
+            params = {};
+        }
+
         $.ajax(src,
                {dataType: 'json',
                 type: 'GET',
-                data: {},
-                context: {container: container, src: src}}).
-            always(function() {
-                $(this.container).find(".spinner").detach();
-            }).
+                data: params,
+                context: {container: $container, src: src, serial: serial}}).
             fail(function(jqxhr, status, error) {
+                var $faildiv;
+                var $container = this.container;
+                if ($container.attr('data-infinite-serial') != this.serial) {
+                    // A newer request is already in progress.
+                    return;
+                }
                 if (jqxhr.readyState == 0 || jqxhr.status == 0) {
                     message = "Cancelled."
                 } else if (jqxhr.responseJSON && jqxhr.responseJSON.errors) {
@@ -44,26 +80,186 @@ function maybe_load_more_content() {
                 } else {
                     message = "Request failed.";
                 }
-                // TODO: report this to the user.
+                // TODO: report the message to the user.
                 console.log(message);
-                $(this.container).attr('data-infinite-content-href', this.src);
+                $faildiv = $('<div />').
+                    attr('data-infinite-content-href', this.src).
+                    addClass('infinite-retry').
+                    append('<span class="fa fa-warning" /> Oops, request failed. <button class="btn btn-xs btn-primary">Retry</button>');
+                $container.find('div.spinner').replaceWith($faildiv);
             }).
             done(function(data, status, jqxhr) {
-                $(this.container).append(data.content);
-                $(this.container).attr('data-infinite-content-href', data.next_page_href);
+                if ($container.attr('data-infinite-serial') != this.serial) {
+                    // A newer request is already in progress.
+                    return;
+                }
+                $container.find(".spinner").detach();
+                $container.append(data.content);
+                $container.attr('data-infinite-content-href', data.next_page_href);
             });
-    }
+     }
 }
+
+function ping_all_scrollers() {
+    // Send a scroll event to all scroll listeners that might need
+    // updating. Adding infinite-scroller class to the window element
+    // doesn't work, so we add it explicitly here.
+    $('.infinite-scroller').add(window).trigger('scroll');
+}
+
+function mergeInfiniteContentParams($container) {
+    var params = {};
+    // Combine infiniteContentParams from multiple sources. This
+    // mechanism allows each of several components to set and
+    // update its own set of filters, without having to worry
+    // about stomping on some other component's filters.
+    //
+    // For example, filterable.js writes filters in
+    // infiniteContentParamsFilterable ("search for text foo")
+    // without worrying about clobbering the filters set up by the
+    // tab pane ("only show jobs and pipelines in this tab").
+    $.each($container.data(), function(datakey, datavalue) {
+        // Note: We attach these data to DOM elements using
+        // <element data-foo-bar="baz">. We store/retrieve them
+        // using $('element').data('foo-bar'), although
+        // .data('fooBar') would also work. The "all data" hash
+        // returned by $('element').data(), however, always has
+        // keys like 'fooBar'. In other words, where we have a
+        // choice, we stick with the 'foo-bar' style to be
+        // consistent with HTML. Here, our only option is
+        // 'fooBar'.
+        if (/^infiniteContentParams/.exec(datakey)) {
+            if (datavalue instanceof Object) {
+                $.each(datavalue, function(hkey, hvalue) {
+                    if (hvalue instanceof Array) {
+                        params[hkey] = (params[hkey] || []).
+                            concat(hvalue);
+                    } else if (hvalue instanceof Object) {
+                        $.extend(params[hkey], hvalue);
+                    } else {
+                        params[hkey] = hvalue;
+                    }
+                });
+            }
+        }
+    });
+    return params;
+}
+
+function setColumnSort( $container, $header, direction ) {
+    // $container should be the tbody or whatever has all the infinite table data attributes
+    // $header should be the th with a preset data-sort-order attribute
+    // direction should be "asc" or "desc"
+    // This function returns the order by clause for this column header as a string
+
+    // First reset all sort directions
+    $('th[data-sort-order]').removeData('sort-order-direction');
+    // set the current one
+    $header.data('sort-order-direction', direction);
+    // change the ordering parameter
+    var paramsAttr = 'infinite-content-params-' + $container.data('infinite-content-params-attr');
+    var params = $container.data(paramsAttr) || {};
+    params.order = $header.data('sort-order').split(",").join( ' ' + direction + ', ' ) + ' ' + direction;
+    $container.data(paramsAttr, params);
+    // show the correct icon next to the column header
+    $container.trigger('sort-icons');
+
+    return params.order;
+}
+
 $(document).
+    on('click', 'div.infinite-retry button', function() {
+        var $retry_div = $(this).closest('.infinite-retry');
+        var $container = $(this).closest('.infinite-scroller-ready')
+        $container.attr('data-infinite-content-href',
+                        $retry_div.attr('data-infinite-content-href'));
+        $retry_div.
+            replaceWith('<div class="spinner spinner-32px spinner-h-center" />');
+        ping_all_scrollers();
+    }).
+    on('refresh-content', '[data-infinite-scroller]', function() {
+        // Clear all rows, reset source href to initial state, and
+        // (if the container is visible) start loading content.
+        var first_page_href = $(this).attr('data-infinite-content-href0');
+        if (!first_page_href)
+            first_page_href = $(this).attr('data-infinite-content-href');
+        $(this).
+            html('').
+            attr('data-infinite-content-href', first_page_href);
+        ping_all_scrollers();
+    }).
     on('ready ajax:complete', function() {
         $('[data-infinite-scroller]').each(function() {
+            if ($(this).hasClass('infinite-scroller-ready'))
+                return;
+            $(this).addClass('infinite-scroller-ready');
+
+            // deal with sorting if there is any, and if it was set on this page for this tab already
+            if( $('th[data-sort-order]').length ) {
+                var tabId = $(this).closest('div.tab-pane').attr('id');
+                if( hasHTML5History() && history.state !== undefined && history.state !== null && history.state.order !== undefined && history.state.order[tabId] !== undefined ) {
+                    // we will use the list of one or more table columns associated with this header to find the right element
+                    // see sortable_columns as it is passed to render_pane in the various tab .erbs (e.g. _show_jobs_and_pipelines.html.erb)
+                    var strippedColumns = history.state.order[tabId].replace(/\s|\basc\b|\bdesc\b/g,'');
+                    var sortDirection = history.state.order[tabId].split(" ")[1].replace(/,/,'');
+                    $columnHeader = $(this).closest('table').find('[data-sort-order="'+ strippedColumns +'"]');
+                    setColumnSort( $(this), $columnHeader, sortDirection );
+                } else {
+                    // otherwise just reset the sort icons
+                    $(this).trigger('sort-icons');
+                }
+            }
+
+            // $scroller is the DOM element that hears "scroll"
+            // events: sometimes it's a div, sometimes it's
+            // window. Here, "this" is the DOM element containing the
+            // result rows. We pass it to maybe_load_more_content in
+            // event.data.
             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);
+                on('scroll resize', { container: this }, maybe_load_more_content).
+                trigger('scroll');
+        });
+    }).
+    on('click', 'th[data-sort-order]', function() {
+        var direction = $(this).data('sort-order-direction');
+        // reverse the current direction, or do ascending if none
+        if( direction === undefined || direction === 'desc' ) {
+            direction = 'asc';
+        } else {
+            direction = 'desc';
+        }
+
+        var $container = $(this).closest('table').find('[data-infinite-content-params-attr]');
+
+        var order = setColumnSort( $container, $(this), direction );
+
+        // put it in the browser history state if browser allows it
+        if( hasHTML5History() ) {
+            var tabId = $(this).closest('div.tab-pane').attr('id');
+            var state =  history.state;
+            if( state.order === undefined) {
+                state.order = {};
+            }
+            state.order[tabId] = order;
+            history.replaceState( state, null, null );
+        }
+
+        $container.trigger('refresh-content');
+    }).
+    on('sort-icons', function() {
+        // set or reset the icon next to each sortable column header according to the current direction attribute
+        $('th[data-sort-order]').each(function() {
+            $(this).find('i').remove();
+            var direction = $(this).data('sort-order-direction');
+            if( direction !== undefined ) {
+                $(this).append('<i class="fa fa-sort-' + direction + '"/>');
+            } else {
+                $(this).append('<i class="fa fa-sort"/>');
+            }
         });
     });