root / drupal7 / sites / all / modules / ctools / js / ajax-responder.js @ 6e3ce7c2
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/**
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* @file
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*
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* CTools flexible AJAX responder object.
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*/
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(function ($) { |
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Drupal.CTools = Drupal.CTools || {};
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Drupal.CTools.AJAX = Drupal.CTools.AJAX || {};
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/**
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* Grab the response from the server and store it.
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*
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* @todo restore the warm cache functionality
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*/
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Drupal.CTools.AJAX.warmCache = function () { |
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// Store this expression for a minor speed improvement.
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$this = $(this); |
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var old_url = $this.attr('href'); |
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// If we are currently fetching, or if we have fetched this already which is
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// ideal for things like pagers, where the previous page might already have
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// been seen in the cache.
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if ($this.hasClass('ctools-fetching') || Drupal.CTools.AJAX.commandCache[old_url]) { |
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return false; |
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} |
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// Grab all the links that match this url and add the fetching class.
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// This allows the caching system to grab each url once and only once
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// instead of grabbing the url once per <a>.
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var $objects = $('a[href="' + old_url + '"]'); |
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$objects.addClass('ctools-fetching'); |
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try {
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url = old_url.replace(/\/nojs(\/|$)/g, '/ajax$1'); |
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$.ajax({
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type: "POST", |
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url: url,
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data: { 'js': 1, 'ctools_ajax': 1}, |
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global: true, |
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success: function (data) { |
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Drupal.CTools.AJAX.commandCache[old_url] = data; |
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$objects.addClass('ctools-cache-warmed').trigger('ctools-cache-warm', [data]); |
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}, |
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complete: function() { |
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$objects.removeClass('ctools-fetching'); |
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}, |
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dataType: 'json' |
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}); |
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} |
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catch (err) {
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$objects.removeClass('ctools-fetching'); |
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return false; |
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} |
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return false; |
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}; |
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/**
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* Cachable click handler to fetch the commands out of the cache or from url.
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*/
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Drupal.CTools.AJAX.clickAJAXCacheLink = function () { |
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$this = $(this); |
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if ($this.hasClass('ctools-fetching')) { |
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$this.bind('ctools-cache-warm', function (event, data) { |
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Drupal.CTools.AJAX.respond(data); |
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}); |
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return false; |
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} |
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else {
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if ($this.hasClass('ctools-cache-warmed') && Drupal.CTools.AJAX.commandCache[$this.attr('href')]) { |
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Drupal.CTools.AJAX.respond(Drupal.CTools.AJAX.commandCache[$this.attr('href')]); |
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return false; |
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} |
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else {
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return Drupal.CTools.AJAX.clickAJAXLink.apply(this); |
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} |
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} |
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}; |
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/**
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* Find a URL for an AJAX button.
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*
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* The URL for this gadget will be composed of the values of items by
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* taking the ID of this item and adding -url and looking for that
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* class. They need to be in the form in order since we will
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* concat them all together using '/'.
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*/
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Drupal.CTools.AJAX.findURL = function(item) { |
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var url = ''; |
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var url_class = '.' + $(item).attr('id') + '-url'; |
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$(url_class).each(
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function() {
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var $this = $(this); |
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if (url && $this.val()) { |
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url += '/';
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} |
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url += $this.val();
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}); |
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return url;
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}; |
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// Hide these in a ready to ensure that Drupal.ajax is set up first.
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Drupal.behaviors.ctools_add_ajax_responder_commands = {
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attach: function () { |
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Drupal.ajax.prototype.commands.attr = function (ajax, data, status) { |
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$(data.selector).attr(data.name, data.value);
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}; |
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Drupal.ajax.prototype.commands.redirect = function (ajax, data, status) { |
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if (data.delay > 0) { |
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setTimeout(function () {
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location.href = data.url; |
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}, data.delay); |
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} |
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else {
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location.href = data.url; |
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} |
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}; |
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Drupal.ajax.prototype.commands.reload = function (ajax, data, status) { |
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location.reload(); |
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}; |
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Drupal.ajax.prototype.commands.submit = function (ajax, data, status) { |
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$(data.selector).submit();
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} |
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} |
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}; |
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})(jQuery); |