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