text: /**
   * @file
   * Handles AJAX fetching of views, including filter submission and response.
   */
  (function ($) {
  
  /**
   * Attaches the AJAX behavior to Views exposed filter forms and key View links.
   */
  Drupal.behaviors.ViewsAjaxView = {};
  Drupal.behaviors.ViewsAjaxView.attach = function() {
    if (Drupal.settings && Drupal.settings.views && Drupal.settings.views.ajaxViews) {
      $.each(Drupal.settings.views.ajaxViews, function(i, settings) {
        Drupal.views.instances[i] = new Drupal.views.ajaxView(settings);
      });
    }
  };
  
  Drupal.views = {};
  Drupal.views.instances = {};
  
  /**
   * Javascript object for a certain view.
   */
  Drupal.views.ajaxView = function(settings) {
    var selector = '.view-dom-id-' + settings.view_dom_id;
    this.$view = $(selector);
  
    // Retrieve the path to use for views' ajax.
    var ajax_path = Drupal.settings.views.ajax_path;
  
    // If there are multiple views this might've ended up showing up multiple times.
    if (ajax_path.constructor.toString().indexOf("Array") != -1) {
      ajax_path = ajax_path[0];
    }
  
    // Check if there are any GET parameters to send to views.
    var queryString = window.location.search || '';
    if (queryString !== '') {
      // Remove the question mark and Drupal path component if any.
      var queryString = queryString.slice(1).replace(/q=[^&]+&?|&?render=[^&]+/, '');
      if (queryString !== '') {
        // If there is a '?' in ajax_path, clean url are on and & should be used to add parameters.
        queryString = ((/\?/.test(ajax_path)) ? '&' : '?') + queryString;
      }
    }
  
    this.element_settings = {
      url: ajax_path + queryString,
      submit: settings,
      setClick: true,
      event: 'click',
      selector: selector,
      progress: { type: 'throbber' }
    };
  
    this.settings = settings;
  
    // Add the ajax to exposed forms.
    this.$exposed_form = $('form#views-exposed-form-'+ settings.view_name.replace(/_/g, '-') + '-' + settings.view_display_id.replace(/_/g, '-'));
    this.$exposed_form.once(jQuery.proxy(this.attachExposedFormAjax, this));
  
    // Add the ajax to pagers.
    this.$view
      // Don't attach to nested views. Doing so would attach multiple behaviors
      // to a given element.
      .filter(jQuery.proxy(this.filterNestedViews, this))
      .once(jQuery.proxy(this.attachPagerAjax, this));
  };
  
  Drupal.views.ajaxView.prototype.attachExposedFormAjax = function() {
    var button = $('input[type=submit], input[type=image]', this.$exposed_form);
    button = button[0];
  
    this.exposedFormAjax = new Drupal.ajax($(button).attr('id'), button, this.element_settings);
  };
  
  Drupal.views.ajaxView.prototype.filterNestedViews= function() {
    // If there is at least one parent with a view class, this view
    // is nested (e.g., an attachment). Bail.
    return !this.$view.parents('.view').size();
  };
  
  /**
   * Attach the ajax behavior to each link.
   */
  Drupal.views.ajaxView.prototype.attachPagerAjax = function() {
    this.$view.find('ul.pager > li > a, th.views-field a, .attachment .views-summary a')
    .each(jQuery.proxy(this.attachPagerLinkAjax, this));
  };
  
  /**
   * Attach the ajax behavior to a singe link.
   */
  Drupal.views.ajaxView.prototype.attachPagerLinkAjax = function(id, link) {
    var $link = $(link);
    var viewData = {};
    var href = $link.attr('href');
    // Construct an object using the settings defaults and then overriding
    // with data specific to the link.
    $.extend(
      viewData,
      this.settings,
      Drupal.Views.parseQueryString(href),
      // Extract argument data from the URL.
      Drupal.Views.parseViewArgs(href, this.settings.view_base_path)
    );
  
    // For anchor tags, these will go to the target of the anchor rather
    // than the usual location.
    $.extend(viewData, Drupal.Views.parseViewArgs(href, this.settings.view_base_path));
  
    this.element_settings.submit = viewData;
    this.pagerAjax = new Drupal.ajax(false, $link, this.element_settings);
  };
  
  Drupal.ajax.prototype.commands.viewsScrollTop = function (ajax, response, status) {
    // Scroll to the top of the view. This will allow users
    // to browse newly loaded content after e.g. clicking a pager
    // link.
    var offset = $(response.selector).offset();
    // We can't guarantee that the scrollable object should be
    // the body, as the view could be embedded in something
    // more complex such as a modal popup. Recurse up the DOM
    // and scroll the first element that has a non-zero top.
    var scrollTarget = response.selector;
    while ($(scrollTarget).scrollTop() == 0 && $(scrollTarget).parent()) {
      scrollTarget = $(scrollTarget).parent();
    }
    // Only scroll upward
    if (offset.top - 10 < $(scrollTarget).scrollTop()) {
      $(scrollTarget).animate({scrollTop: (offset.top - 10)}, 500);
    }
  };
  
  })(jQuery);
  