https://guitarrasentodo.com/sites/all/modules/views/js/ajax_view.js?qjhbhn

1/**
2 * @file
3 * Handles AJAX fetching of views, including filter submission and response.
4 */
5(function ($) {
6
7/**
8 * Attaches the AJAX behavior to Views exposed filter forms and key View links.
9 */
10Drupal.behaviors.ViewsAjaxView = {};
11Drupal.behaviors.ViewsAjaxView.attach = function() {
12  if (Drupal.settings && Drupal.settings.views && Drupal.settings.views.ajaxViews) {
13    $.each(Drupal.settings.views.ajaxViews, function(i, settings) {
14      Drupal.views.instances[i] = new Drupal.views.ajaxView(settings);
15    });
16  }
17};
18
19Drupal.views = {};
20Drupal.views.instances = {};
21
22/**
23 * Javascript object for a certain view.
24 */
25Drupal.views.ajaxView = function(settings) {
26  var selector = '.view-dom-id-' + settings.view_dom_id;
27  this.$view = $(selector);
28
29  // Retrieve the path to use for views' ajax.
30  var ajax_path = Drupal.settings.views.ajax_path;
31
32  // If there are multiple views this might've ended up showing up multiple times.
33  if (ajax_path.constructor.toString().indexOf("Array") != -1) {
34    ajax_path = ajax_path[0];
35  }
36
37  // Check if there are any GET parameters to send to views.
38  var queryString = window.location.search || '';
39  if (queryString !== '') {
40    // Remove the question mark and Drupal path component if any.
41    var queryString = queryString.slice(1).replace(/q=[^&]+&?|&?render=[^&]+/, '');
42    if (queryString !== '') {
43      // If there is a '?' in ajax_path, clean url are on and & should be used to add parameters.
44      queryString = ((/\?/.test(ajax_path)) ? '&' : '?') + queryString;
45    }
46  }
47
48  this.element_settings = {
49    url: ajax_path + queryString,
50    submit: settings,
51    setClick: true,
52    event: 'click',
53    selector: selector,
54    progress: { type: 'throbber' }
55  };
56
57  this.settings = settings;
58
59  // Add the ajax to exposed forms.
60  this.$exposed_form = $('form#views-exposed-form-'+ settings.view_name.replace(/_/g, '-') + '-' + settings.view_display_id.replace(/_/g, '-'));
61  this.$exposed_form.once(jQuery.proxy(this.attachExposedFormAjax, this));
62
63  // Add the ajax to pagers.
64  this.$view
65    // Don't attach to nested views. Doing so would attach multiple behaviors
66    // to a given element.
67    .filter(jQuery.proxy(this.filterNestedViews, this))
68    .once(jQuery.proxy(this.attachPagerAjax, this));
69};
70
71Drupal.views.ajaxView.prototype.attachExposedFormAjax = function() {
72  var button = $('input[type=submit], button[type=submit], input[type=image]', this.$exposed_form);
73  button = button[0];
74
75  this.exposedFormAjax = new Drupal.ajax($(button).attr('id'), button, this.element_settings);
76};
77
78Drupal.views.ajaxView.prototype.filterNestedViews= function() {
79  // If there is at least one parent with a view class, this view
80  // is nested (e.g., an attachment). Bail.
81  return !this.$view.parents('.view').size();
82};
83
84/**
85 * Attach the ajax behavior to each link.
86 */
87Drupal.views.ajaxView.prototype.attachPagerAjax = function() {
88  this.$view.find('ul.pager > li > a, th.views-field a, .attachment .views-summary a')
89  .each(jQuery.proxy(this.attachPagerLinkAjax, this));
90};
91
92/**
93 * Attach the ajax behavior to a singe link.
94 */
95Drupal.views.ajaxView.prototype.attachPagerLinkAjax = function(id, link) {
96  var $link = $(link);
97  var viewData = {};
98  var href = $link.attr('href');
99  // Construct an object using the settings defaults and then overriding
100  // with data specific to the link.
101  $.extend(
102    viewData,
103    this.settings,
104    Drupal.Views.parseQueryString(href),
105    // Extract argument data from the URL.
106    Drupal.Views.parseViewArgs(href, this.settings.view_base_path)
107  );
108
109  // For anchor tags, these will go to the target of the anchor rather
110  // than the usual location.
111  $.extend(viewData, Drupal.Views.parseViewArgs(href, this.settings.view_base_path));
112
113  this.element_settings.submit = viewData;
114  this.pagerAjax = new Drupal.ajax(false, $link, this.element_settings);
115};
116
117Drupal.ajax.prototype.commands.viewsScrollTop = function (ajax, response, status) {
118  // Scroll to the top of the view. This will allow users
119  // to browse newly loaded content after e.g. clicking a pager
120  // link.
121  var offset = $(response.selector).offset();
122  // We can't guarantee that the scrollable object should be
123  // the body, as the view could be embedded in something
124  // more complex such as a modal popup. Recurse up the DOM
125  // and scroll the first element that has a non-zero top.
126  var scrollTarget = response.selector;
127  while ($(scrollTarget).scrollTop() == 0 && $(scrollTarget).parent()) {
128    scrollTarget = $(scrollTarget).parent();
129  }
130  // Only scroll upward
131  if (offset.top - 10 < $(scrollTarget).scrollTop()) {
132    $(scrollTarget).animate({scrollTop: (offset.top - 10)}, 500);
133  }
134};
135
136})(jQuery);