annotate core/modules/views/js/ajax_view.js @ 19:fa3358dc1485 tip

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/**
* DO NOT EDIT THIS FILE.
* See the following change record for more information,
* https://www.drupal.org/node/2815083
* @preserve
**/

(function ($, Drupal, drupalSettings) {
  Drupal.behaviors.ViewsAjaxView = {};
  Drupal.behaviors.ViewsAjaxView.attach = function (context, settings) {
    if (settings && settings.views && settings.views.ajaxViews) {
      var ajaxViews = settings.views.ajaxViews;

      Object.keys(ajaxViews || {}).forEach(function (i) {
        Drupal.views.instances[i] = new Drupal.views.ajaxView(ajaxViews[i]);
      });
    }
  };
  Drupal.behaviors.ViewsAjaxView.detach = function (context, settings, trigger) {
    if (trigger === 'unload') {
      if (settings && settings.views && settings.views.ajaxViews) {
        var ajaxViews = settings.views.ajaxViews;

        Object.keys(ajaxViews || {}).forEach(function (i) {
          var selector = '.js-view-dom-id-' + ajaxViews[i].view_dom_id;
          if ($(selector, context).length) {
            delete Drupal.views.instances[i];
            delete settings.views.ajaxViews[i];
          }
        });
      }
    }
  };

  Drupal.views = {};

  Drupal.views.instances = {};

  Drupal.views.ajaxView = function (settings) {
    var selector = '.js-view-dom-id-' + settings.view_dom_id;
    this.$view = $(selector);

    var ajaxPath = drupalSettings.views.ajax_path;

    if (ajaxPath.constructor.toString().indexOf('Array') !== -1) {
      ajaxPath = ajaxPath[0];
    }

    var queryString = window.location.search || '';
    if (queryString !== '') {
      queryString = queryString.slice(1).replace(/q=[^&]+&?|&?render=[^&]+/, '');
      if (queryString !== '') {
        queryString = (/\?/.test(ajaxPath) ? '&' : '?') + queryString;
      }
    }

    this.element_settings = {
      url: ajaxPath + queryString,
      submit: settings,
      setClick: true,
      event: 'click',
      selector: selector,
      progress: { type: 'fullscreen' }
    };

    this.settings = settings;

    this.$exposed_form = $('form#views-exposed-form-' + settings.view_name.replace(/_/g, '-') + '-' + settings.view_display_id.replace(/_/g, '-'));
    this.$exposed_form.once('exposed-form').each($.proxy(this.attachExposedFormAjax, this));

    this.$view.filter($.proxy(this.filterNestedViews, this)).once('ajax-pager').each($.proxy(this.attachPagerAjax, this));

    var selfSettings = $.extend({}, this.element_settings, {
      event: 'RefreshView',
      base: this.selector,
      element: this.$view.get(0)
    });
    this.refreshViewAjax = Drupal.ajax(selfSettings);
  };

  Drupal.views.ajaxView.prototype.attachExposedFormAjax = function () {
    var that = this;
    this.exposedFormAjax = [];

    $('input[type=submit], input[type=image]', this.$exposed_form).not('[data-drupal-selector=edit-reset]').each(function (index) {
      var selfSettings = $.extend({}, that.element_settings, {
        base: $(this).attr('id'),
        element: this
      });
      that.exposedFormAjax[index] = Drupal.ajax(selfSettings);
    });
  };

  Drupal.views.ajaxView.prototype.filterNestedViews = function () {
    return !this.$view.parents('.view').length;
  };

  Drupal.views.ajaxView.prototype.attachPagerAjax = function () {
    this.$view.find('ul.js-pager__items > li > a, th.views-field a, .attachment .views-summary a').each($.proxy(this.attachPagerLinkAjax, this));
  };

  Drupal.views.ajaxView.prototype.attachPagerLinkAjax = function (id, link) {
    var $link = $(link);
    var viewData = {};
    var href = $link.attr('href');

    $.extend(viewData, this.settings, Drupal.Views.parseQueryString(href), Drupal.Views.parseViewArgs(href, this.settings.view_base_path));

    var selfSettings = $.extend({}, this.element_settings, {
      submit: viewData,
      base: false,
      element: link
    });
    this.pagerAjax = Drupal.ajax(selfSettings);
  };

  Drupal.AjaxCommands.prototype.viewsScrollTop = function (ajax, response) {
    var offset = $(response.selector).offset();

    var scrollTarget = response.selector;
    while ($(scrollTarget).scrollTop() === 0 && $(scrollTarget).parent()) {
      scrollTarget = $(scrollTarget).parent();
    }

    if (offset.top - 10 < $(scrollTarget).scrollTop()) {
      $(scrollTarget).animate({ scrollTop: offset.top - 10 }, 500);
    }
  };
})(jQuery, Drupal, drupalSettings);