/*
 * jQuery history plugin
 * 
 * The MIT License
 * 
 * Copyright (c) 2006-2009 Taku Sano (Mikage Sawatari)
 * Copyright (c) 2010 Takayuki Miwa
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
(function($) {
    var locationWrapper = {
        put: function(hash, win) {
            (win || window).location.hash = this.encoder(hash);
        },
        get: function(win) {
            var hash = ((win || window).location.hash).replace(/^#/, '');
			try {
                return $.browser.mozilla ? hash : decodeURIComponent(hash);
            }
            catch (error) {
                return hash;
            }
        },
        encoder: encodeURIComponent
    };

    var iframeWrapper = {
        id: "__jQuery_history",
        init: function() {
            var html = '<iframe id="'+ this.id +'" style="display:none" src="javascript:false;" />';
            $("body").prepend(html);
            return this;
        },
        _document: function() {
            return $("#"+ this.id)[0].contentWindow.document;
        },
        put: function(hash) {
            var doc = this._document();
            doc.open();
            doc.close();
            locationWrapper.put(hash, doc);
        },
        get: function() {
            return locationWrapper.get(this._document());
        }
    };

    function initObjects(options) {
        options = $.extend({
                unescape: false
            }, options || {});

        locationWrapper.encoder = encoder(options.unescape);

        function encoder(unescape_) {
            if(unescape_ === true) {
                return function(hash){ return hash; };
            }
            if(typeof unescape_ == "string" &&
               (unescape_ = partialDecoder(unescape_.split("")))
               || typeof unescape_ == "function") {
                return function(hash) { return unescape_(encodeURIComponent(hash)); };
            }
            return encodeURIComponent;
        }

        function partialDecoder(chars) {
            var re = new RegExp($.map(chars, encodeURIComponent).join("|"), "ig");
            return function(enc) { return enc.replace(re, decodeURIComponent); };
        }
    }

    var implementations = {};

    implementations.base = {
        callback: undefined,
        type: undefined,

        check: function() {},
        load:  function(hash) {},
        init:  function(callback, options) {
            initObjects(options);
            self.callback = callback;
            self._options = options;
            self._init();
        },

        _init: function() {},
        _options: {}
    };

    implementations.timer = {
        _appState: undefined,
        _init: function() {
            var current_hash = locationWrapper.get();
            self._appState = current_hash;
            self.callback(current_hash);
            setInterval(self.check, 10);
        },
        check: function() {
            var current_hash = locationWrapper.get();
            if(current_hash != self._appState.replace('#','')) {
				if(self._appState.replace(/\|\d*/,'') == current_hash.replace(/\|\d*/,'')){
					return;
				}
				var CapacityFilter = '';
				if($('#sort_capacity').css('display') != 'none'){
					var re_capacity = /center[\s]*/;
					CapacityFilter = $("#sort_capacity .field .center").attr("class").replace(re_capacity,"");
				}
				if(CapacityFilter != ''){
					$("#sort_capacity .sort_more .right_bord .active").removeClass('active');
					$("#sort_capacity .sort_more .right_bord li:first").addClass('active');
					$("#sort_capacity .field .center").attr('class','').addClass('center');
					$("#sort_capacity .field .center").html($("#sort_capacity .sort_more .right_bord li:first").html());
				}
                self.callback(self._appState);
				self._appState = current_hash;
            }
        },
        load: function(hash) {
            if(hash != self._appState) {				
                locationWrapper.put(hash);
                self._appState = hash;
				var CapacityFilter = '';
				if($('#sort_capacity').css('display') != 'none'){
					var re_capacity = /center[\s]*/;
					CapacityFilter = $("#sort_capacity .field .center").attr("class").replace(re_capacity,"");
				}
				if(CapacityFilter != ''){
					$("#sort_capacity .sort_more .right_bord .active").removeClass('active');
					$("#sort_capacity .sort_more .right_bord li:first").addClass('active');
					$("#sort_capacity .field .center").attr('class','').addClass('center');
					$("#sort_capacity .field .center").html($("#sort_capacity .sort_more .right_bord li:first").html());
				}
               // self.callback(hash);	
            }
        }
    };

    implementations.iframeTimer = {
        _appState: undefined,
        _init: function() {
            var current_hash = locationWrapper.get();
            self._appState = current_hash;
            iframeWrapper.init().put(current_hash);
            self.callback(current_hash);
            setInterval(self.check, 10);
        },
        check: function() {
            var iframe_hash = iframeWrapper.get(),
                location_hash = locationWrapper.get();
            if (location_hash != iframe_hash) {
                if (location_hash == self._appState) {    // user used Back or Forward button
					if(self._appState.replace(/\|\d*/,'') == iframe_hash.replace(/\|\d*/,'')){
						return;
					}
                    self._appState = iframe_hash;
                    locationWrapper.put(iframe_hash);
                    self.callback(self._appState); 
                } else {                              // user loaded new bookmark
                    self._appState = location_hash;  
                    iframeWrapper.put(location_hash);
                    self.callback(location_hash);
                }
            }
        },
        load: function(hash) {
            if(hash != self._appState) {
                locationWrapper.put(hash);
                iframeWrapper.put(hash);
                self._appState = hash;
                self.callback(hash);
            }
        }
    };

    implementations.popstateEvent = {
		_firstcheck: 1,
        _init: function() {
            self.callback(locationWrapper.get());
			$(window).bind('popstate',self.check);
        },
        check: function() {
			if(self._firstcheck) {
				self._firstcheck = 0;
				return false;				
			}
			var CapacityFilter = '';
			if($('#sort_capacity').css('display') != 'none'){
				var re_capacity = /center[\s]*/;
				CapacityFilter = $("#sort_capacity .field .center").attr("class").replace(re_capacity,"");
			}
			if(CapacityFilter != ''){
				$("#sort_capacity .sort_more .right_bord .active").removeClass('active');
				$("#sort_capacity .sort_more .right_bord li:first").addClass('active');
				$("#sort_capacity .field .center").attr('class','').addClass('center');
				$("#sort_capacity .field .center").html($("#sort_capacity .sort_more .right_bord li:first").html());
			}
			url = location.pathname
			$('#CatalogContent').append('<div id="hideproducts"><img src="/templates/default/Styles/new/image/loaders/catalog_loader.gif" style="margin-top:150px;margin-left: 50%;"></div>');
			var prodsheight = $('#CatalogContent').height();
			var prodswidth = $('#CatalogContent').width();
			$('#hideproducts').css({'position':'absolute','opacity':'0','height':prodsheight,'width':prodswidth,'margin':'0','background-color':'#FFF'});
			$('#hideproducts').animate({'opacity':'0.7'},100,ChangeFilterProducts(url,2));
			var lnav = $('.body .lnav_tree .wrapper');
			var lnavbg = $('.body .lnav_tree .main_bg');
			lnav.animate({'opacity':'0.3'},100,ChangeFilterLNav(url));				
			$('.sorting .filter .field .center').attr('class','center');
        },
        load: function(hash,action) {
            //locationWrapper.put(hash);
			self._firstcheck = 0;
			var CapacityFilter = '';
			if($('#sort_capacity').css('display') != 'none'){
				var re_capacity = /center[\s]*/;
				CapacityFilter = $("#sort_capacity .field .center").attr("class").replace(re_capacity,"");
			}
			if(CapacityFilter != ''){
				$("#sort_capacity .sort_more .right_bord .active").removeClass('active');
				$("#sort_capacity .sort_more .right_bord li:first").addClass('active');
				$("#sort_capacity .field .center").attr('class','').addClass('center');
				$("#sort_capacity .field .center").html($("#sort_capacity .sort_more .right_bord li:first").html());
			}
			if(action == 'push'){
				history.pushState(null,null,hash);
			} else {
				history.replaceState(null,null,hash);
			}
        }
    };

    var self = $.extend({}, implementations.base);

    if($.browser.msie && ($.browser.version < 8 || document.documentMode < 8)) {
        self.type = 'iframeTimer';
    } /*else if("onhashchange" in window) {
        self.type = 'hashchangeEvent';
    }*/ else if (!!(window.history && history.pushState)) {
		self.type = 'popstateEvent';
	} else {
        self.type = 'timer';
    }
    $.extend(self, implementations[self.type]);
	
    $.history = self;
})(jQuery);