/*
 * aheadWorks Co.
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the EULA
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://ecommerce.aheadworks.com/LICENSE-M1.txt
 *
 * @category   AW
 * @package    AW_Ajaxcatalog
 * @copyright  Copyright (c) 2011 aheadWorks Co. (http://www.aheadworks.com)
 * @license    http://ecommerce.aheadworks.com/LICENSE-M1.txt
*/var AWAjaxCatalog;
var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
AWAjaxCatalog = Class.create();
AWAjaxCatalog.prototype = {
  /*
      Class construcructor
      */
  initialize: function(params) {
    var key, value;
    for (key in params) {
      value = params[key];
      this[key] = params[key];
    }
    if (this.action_type === "button") {
      document.observe("dom:loaded", __bind(function(event) {
        /*
                        Button click observe
                        */        if ($(this.button_id)) {
          $(this.button_id).observe("click", __bind(function(event) {
            this.loadNext();
          }, this));
        }
      }, this));
    } else {
      this.disabled_forever = false;
      this.start_lock = true;
      document.observe("dom:loaded", __bind(function(event) {
        if (this.needLoadNextBefore()) {
          this.loadNext();
        }
      }, this));
      Event.observe(window, "scroll", __bind(function(event) {
        /*
                        User scroll document
                        */        if (this.needLoadNextAfter()) {
          this.loadNext();
        }
        this.start_lock = false;
      }, this));
    }
    return this;
  },
  /*
      Need to load next page after scroll
      */
  needLoadNextAfter: function() {
    var docHeight, height, top;
    if (document.viewport) {
      top = document.viewport.getScrollOffsets().top;
      height = document.viewport.getHeight();
      docHeight = Math.max(Math.max(document.body.scrollHeight, document.documentElement.scrollHeight), Math.max(document.body.offsetHeight, document.documentElement.offsetHeight), Math.max(document.body.clientHeight, document.documentElement.clientHeight));
      return ((docHeight - top) <= (3 * height)) && !this.start_lock && !this.disabled_forever;
    }
    return false;
  },
  needLoadNextBefore: function() {
    var result;
    result = false;
    if (document.viewport) {
      $$('div.main').each(__bind(function(el) {
        var elementHeight, screenHeight;
        screenHeight = document.viewport.getHeight();
        elementHeight = el.getHeight();
        if (screenHeight > elementHeight) {
          return result = true;
        }
      }, this));
    }
    return result;
  },
  /*
      Load next products
      */
  loadNext: function() {
    var params;
    if (this.isLoading()) {
      return;
    }
    this.showLoader(true);
    this.params['p'] = this.next_page;
    params = Base64.encode($H(this.params).toJSON());
    new Ajax.Request(this.next_url.replace("{{page}}", params).replace(/^http[s]{0,1}/, window.location.href.replace(/:[^:].*$/i, '')), {
      method: "get",
      onSuccess: __bind(function(transport) {
        var content, error, next_page, response, success;
        try {
          response = eval('(' + transport.responseText + ')');
        } catch (exception) {
          response = {};
        }
        success = response.success, content = response.content, next_page = response.next_page, error = response.error;
        if (error) {
          if (typeof console.log === "function") {
            console.log(error);
          }
        }
        if (success) {
          if (next_page > 0) {
            this.next_page = next_page;
          } else {
            this.showButton(false);
          }
          if (content) {
            this.appendContent(content);
			this.evalInnerScripts(content)
            this.useDecorator();
          }
        }
      }, this),
      onComplete: __bind(function(transport) {
        this.showLoader(false);
        if (this.needLoadNextBefore() && (this.next_page > 0)) {
          this.loadNext();
        }
      }, this)
    });
    return this;
  },
  /*
      Append new content
      */
  appendContent: function(content) {
    if ($(this.container_id)) {
      $(this.container_id).innerHTML += content;
    }
  },
  /*
      Show button
      */
  showButton: function(show) {
    if (this.action_type === "button") {
      if (show) {
        this.getButtonContainer().removeClassName("hidden");
      } else {
        this.getButtonContainer().addClassName("hidden");
      }
    } else {
      this.disabled_forever = true;
    }
  },
  /*
      Show loader
      */
  showLoader: function(show) {
    if (this.action_type === "button") {
      if (show) {
        this.getButton().addClassName("loading");
      } else {
        this.getButton().removeClassName("loading");
      }
    } else {
      if (show) {
        this.getLoader().addClassName("loading");
      } else {
        this.getLoader().removeClassName("loading");
      }
    }
  },
  /*
      Button
      */
  getButton: function() {
    if ($(this.button_id)) {
      return $(this.button_id);
    }
  },
  /*
      Loader
      */
  getLoader: function() {
    if ($(this.loader_id)) {
      return $(this.loader_id);
    }
  },
  /*
      Button with container
      */
  getButtonContainer: function() {
    if ($(this.button_container_id)) {
      return $(this.button_container_id);
    }
  },
  /*
      Is loading now
      */
  isLoading: function() {
    if (this.action_type === "button") {
      return this.getButton().hasClassName("loading");
    } else {
      return this.getLoader().hasClassName("loading");
    }
  },
  /*
      Eval Inner Scripts
      (required after ajax load content)
      */
  evalInnerScripts: function(content) {
    content.evalScripts();
    return content;
  },
  /*
      Use List Decorator to redecorate list
      */
  useDecorator: function() {
    var selection, _i, _len, _ref;
    $$(this.decorate_clean).each(__bind(function(element) {
      element.removeClassName("even");
      element.removeClassName("odd");
      element.removeClassName("last");
      element.removeClassName("first");
    }, this));
    _ref = this.decorate_decorate;
    for (_i = 0, _len = _ref.length; _i < _len; _i++) {
      selection = _ref[_i];
      decorateGeneric($$(selection), ['odd', 'even', 'first', 'last']);
    }
    return this;
  }
};;