/* $Id: jcarousel.js,v 1.1.2.2.2.5 2009/03/25 18:10:22 robloach Exp $ */

/**
 * @file
 * Provides the jCarousel Drupal behavior.
 */

/**
 * The jCarousel Drupal behavior that creates the set of jCarousel elements from Drupal.settings.jcarousel.
 */
Drupal.behaviors.jcarousel = function() {
  // Getting "Drupal.settings" undefined error in popups - mvijay
  if(Drupal.settings !=  undefined){
    // Iterate through each selector and add the carousel.
    jQuery.each(Drupal.settings.jcarousel, function(selector, options) {
    
      // Convert any callback arguments from strings to function calls.
      var callbacks = ['initCallback', 'itemLoadCallback', 'itemFirstInCallback', 'itemFirstOutCallback', 'itemLastOutCallback', 'itemLastInCallback', 'itemVisibleInCallback', 'itemVisibleOutCallback', 'buttonNextCallback', 'buttonPrevCallback'];
      for (callback in callbacks) {
        var callbackname = callbacks[callback];
        // The callback depends on its type.
        if (typeof(options[callbackname]) == 'string') {
          // Strings are evaluated as functions.
          options[callbackname] = eval(options[callbackname]);
        }
        else if (typeof(options[callbackname]) == 'object' && (options[callbackname] instanceof Array)) {
          // Arrays are evaluated as a list of callback registrations. This is because callbacks
          // like itemVisibleInCallback can either be a function call back, or an array of callbacks
          // consisting of both onBeforeAnimation and onAfterAnimation.
          for (subcallback in options[callbackname]) {
            var name = options[callbackname][subcallback];
            options[callbackname][name] = eval(options[callbackname][name]);
          }
        }
      }
      // Prepare the skin name to be added as a class name.
      var skin = options['skin'];
      if (typeof(skin) == 'string') {
        skin = ' jcarousel-skin-' + skin;
      }
      else {
        skin = '';
      }
     //For some reason, this settings not working for 'circular'. So for that, skip here and trigger it from js. check hp_large_promo.js for the config.
     if(options['wrap'] == 'circular'){
       return false;
     }

      // Create the countdown element on non-processed elements.
      $(selector + ':not(.jcarousel-processed)').addClass('jcarousel-processed' + skin).jcarousel(options);
    });
  }
};