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