-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 = $(this).data('infinite-container');
- if (!$(container).attr('data-infinite-content-href0')) {
+ 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'));
+ $container.attr('data-infinite-content-href0',
+ $container.attr('data-infinite-content-href'));
}
- src = $(container).attr('data-infinite-content-href');
- if (!src)
+ 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 = '*';
spinner +
'</td></tr>');
}
- $(container).find(".spinner").detach();
- $(container).append(spinner);
- $(container).attr('data-infinite-serial', serial);
+ $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 = {};
+ }
+
$.ajax(src,
{dataType: 'json',
type: 'GET',
- data: ($(container).data('infinite-content-params') || {}),
- context: {container: container, src: src, serial: serial}}).
+ data: params,
+ context: {container: $container, src: src, serial: serial}}).
fail(function(jqxhr, status, error) {
var $faildiv;
- if ($(this.container).attr('data-infinite-serial') != this.serial) {
+ var $container = this.container;
+ if ($container.attr('data-infinite-serial') != this.serial) {
// A newer request is already in progress.
return;
}
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>');
- $(this.container).find('div.spinner').replaceWith($faildiv);
+ $container.find('div.spinner').replaceWith($faildiv);
}).
done(function(data, status, jqxhr) {
- if ($(this.container).attr('data-infinite-serial') != this.serial) {
+ if ($container.attr('data-infinite-serial') != this.serial) {
// A newer request is already in progress.
return;
}
- $(this.container).find(".spinner").detach();
- $(this.container).append(data.content);
- $(this.container).attr('data-infinite-content-href', data.next_page_href);
+ $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 $scroller = $(this).closest('.infinite-scroller')
- $scroller.attr('data-infinite-content-href',
- $retry_div.attr('data-infinite-content-href'));
- $retry_div.replaceWith('<div class="spinner spinner-32px spinner-h-center" />');
- $scroller.trigger('scroll');
+ 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
$(this).
html('').
attr('data-infinite-content-href', first_page_href);
- $('.infinite-scroller').
- trigger('scroll');
+ 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"/>');
+ }
});
});
projects / arvados.git / blobdiff