var BMapLib = window.BMapLib = BMapLib || {};
(function() {
	var baidu = baidu || {
		guid : "$BAIDU$"
	};
	(function() {
		window[baidu.guid] = {};
		baidu.extend = function(target, source) {
			for ( var p in source) {
				if (source.hasOwnProperty(p)) {
					target[p] = source[p];
				}
			}
			return target;
		};
		baidu.lang = baidu.lang || {};
		baidu.lang.guid = function() {
			return "TANGRAM__" + (window[baidu.guid]._counter++).toString(36);
		};
		window[baidu.guid]._counter = window[baidu.guid]._counter || 1;
		window[baidu.guid]._instances = window[baidu.guid]._instances || {};
		baidu.lang.Class = function(guid) {
			this.guid = guid || baidu.lang.guid();
			window[baidu.guid]._instances[this.guid] = this;
		};
		window[baidu.guid]._instances = window[baidu.guid]._instances || {};
		baidu.lang.isString = function(source) {
			return "[object String]" == Object.prototype.toString.call(source);
		};
		baidu.lang.isFunction = function(source) {
			return "[object Function]" == Object.prototype.toString
					.call(source);
		};
		baidu.lang.Class.prototype.toString = function() {
			return "[object " + (this._className || "Object") + "]";
		};
		baidu.lang.Event = function(type, target) {
			this.type = type;
			this.returnValue = true;
			this.target = target || null;
			this.currentTarget = null;
		};
		baidu.lang.Class.prototype.addEventListener = function(type, handler,
				key) {
			if (!baidu.lang.isFunction(handler)) {
				return;
			}
			!this.__listeners && (this.__listeners = {});
			var t = this.__listeners, id;
			if (typeof key == "string" && key) {
				if (/[^\w\-]/.test(key)) {
					throw ("nonstandard key:" + key);
				} else {
					handler.hashCode = key;
					id = key;
				}
			}
			type.indexOf("on") != 0 && (type = "on" + type);
			typeof t[type] != "object" && (t[type] = {});
			id = id || baidu.lang.guid();
			handler.hashCode = id;
			t[type][id] = handler;
		};
		baidu.lang.Class.prototype.removeEventListener = function(type, handler) {
			if (baidu.lang.isFunction(handler)) {
				handler = handler.hashCode;
			} else {
				if (!baidu.lang.isString(handler)) {
					return;
				}
			}
			!this.__listeners && (this.__listeners = {});
			type.indexOf("on") != 0 && (type = "on" + type);
			var t = this.__listeners;
			if (!t[type]) {
				return;
			}
			t[type][handler] && delete t[type][handler];
		};
		baidu.lang.Class.prototype.dispatchEvent = function(event, options) {
			if (baidu.lang.isString(event)) {
				event = new baidu.lang.Event(event);
			}
			!this.__listeners && (this.__listeners = {});
			options = options || {};
			for ( var i in options) {
				event[i] = options[i];
			}
			var i, t = this.__listeners, p = event.type;
			event.target = event.target || this;
			event.currentTarget = this;
			p.indexOf("on") != 0 && (p = "on" + p);
			baidu.lang.isFunction(this[p]) && this[p].apply(this, arguments);
			if (typeof t[p] == "object") {
				for (i in t[p]) {
					t[p][i].apply(this, arguments);
				}
			}
			return event.returnValue;
		};
		baidu.lang.inherits = function(subClass, superClass, className) {
			var key, proto, selfProps = subClass.prototype, clazz = new Function();
			clazz.prototype = superClass.prototype;
			proto = subClass.prototype = new clazz();
			for (key in selfProps) {
				proto[key] = selfProps[key];
			}
			subClass.prototype.constructor = subClass;
			subClass.superClass = superClass.prototype;
			if ("string" == typeof className) {
				proto._className = className;
			}
			;
		};
		baidu.dom = baidu.dom || {};
		baidu.g = baidu.dom.g = function(id) {
			if ("string" == typeof id || id instanceof String) {
				return document.getElementById(id);
			} else {
				if (id && id.nodeName && (id.nodeType == 1 || id.nodeType == 9)) {
					return id;
				}
			}
			return null;
		};
		baidu.browser = baidu.browser || {};
		if (/msie (\d+\.\d)/i.test(navigator.userAgent)) {
			baidu.browser.ie = baidu.ie = document.documentMode
					|| +RegExp["\x241"];
		}
		baidu.dom._NAME_ATTRS = (function() {
			var result = {
				cellpadding : "cellPadding",
				cellspacing : "cellSpacing",
				colspan : "colSpan",
				rowspan : "rowSpan",
				valign : "vAlign",
				usemap : "useMap",
				frameborder : "frameBorder"
			};
			if (baidu.browser.ie < 8) {
				result["for"] = "htmlFor";
				result["class"] = "className";
			} else {
				result.htmlFor = "for";
				result.className = "class";
			}
			return result;
		})();
		baidu.getAttr = baidu.dom.getAttr = function(element, key) {
			element = baidu.dom.g(element);
			if ("style" == key) {
				return element.style.cssText;
			}
			key = baidu.dom._NAME_ATTRS[key] || key;
			return element.getAttribute(key);
		};
		baidu.event = baidu.event || {};
		baidu.event._listeners = baidu.event._listeners || [];
		baidu.on = baidu.event.on = function(element, type, listener) {
			type = type.replace(/^on/i, "");
			element = baidu.g(element);
			var realListener = function(ev) {
				listener.call(element, ev);
			}, lis = baidu.event._listeners, filter = baidu.event._eventFilter, afterFilter, realType = type;
			type = type.toLowerCase();
			if (filter && filter[type]) {
				afterFilter = filter[type](element, type, realListener);
				realType = afterFilter.type;
				realListener = afterFilter.listener;
			}
			if (element.addEventListener) {
				element.addEventListener(realType, realListener, false);
			} else {
				if (element.attachEvent) {
					element.attachEvent("on" + realType, realListener);
				}
			}
			lis[lis.length] = [ element, type, listener, realListener, realType ];
			return element;
		};
	})();
	BMapLib.COUNTRY_TYPE_CODE = 0;
	BMapLib.PROVINCE_TYPE_CODE = 1;
	BMapLib.CITY_TYPE_CODE = 2;
	var CityList = BMapLib.CityList = function(opts) {
		opts = opts || {};
		this._opts = baidu.extend(baidu.extend(this._opts || {}, {
			container : null,
			map : null
		}), opts);
		this._data = null;
		this._css = [
				".bmaplib_cityList{color:#333;font:12px arial,sans-serif;padding-left:10px;}",
				".bmaplib_cityList h4{font-size:12px;font-weight:normal;margin:0;}",
				".bmaplib_cityList hr{height:1px;border-top:solid 1px #ccc; border-bottom:none;}",
				".bmaplib_cityList form,.bmaplib_cityList dl{margin:0;}",
				".bmaplib_cityList dd,.bmaplib_cityList h4,.bmaplib_cityList dt{padding: 2px 0; vertical-align: top;line-height: 150%;}",
				".bmaplib_cityList dt{float:left;width:52px;}",
				".bmaplib_cityList dd{margin-left:52px;}",
				".bmaplib_cityList a{color:#0000CC;text-decoration:underline;outline:none;margin-right: 8px;}",
				".bmaplib_cityList dt a{margin-right:0;}",
				".bmaplib_cityListDescript{color:#999;}",
				".bmaplib_cityList .black{color:#000;}",
				".bmaplib_cityList form span{color:red;}" ];
		this._getDataFromMapServer();
	};
	baidu.lang.inherits(CityList, baidu.lang.Class, "CityList");
	var _citylistCount = 1;
	var _outputData = null;
	CityList.prototype._getDataFromMapServer = function() {
		var me = this;
		scriptRequest(
				"http://api.map.baidu.com/library/CityList/1.2/src/data/CityData.js",
				function() {
					me._callback();
				});
	};
	CityList.prototype._callback = function() {
		if (BMapLib.CityList._cityData) {
			this._data = BMapLib.CityList._cityData;
			BMapLib.CityList._cityData = null;
			_outputData = this._formatCityData(this._data);
			this._renderHtml();
			this._bind();
		}
	};
	CityList.prototype._renderHtml = function() {
		if (!this._opts.container || !baidu.g(this._opts.container)) {
			return
		}
		this._execCss();
		var htm = [], data = this._data, vds = "javascript:void(0)", newData = {};
		htm.push("<div class='bmaplib_cityList' id='bmaplib_cityList_"
				+ this.guid + "'><dl>");
		if (data.municipalities && data.municipalities.length > 0) {
			htm.push("<dt>\u76f4\u8f96\u5e02\uff1a</dt><dd>");
			for ( var i = 0, n = data.municipalities.length; i < n; i++) {
				var mu = data.municipalities[i];
				htm.push("<a href='#vd#' code='" + _citylistCount + "'>" + mu.n
						+ "</a>");
				newData[_citylistCount] = {
					g : mu.g,
					t : BMapLib.CITY_TYPE_CODE,
					n : mu.n
				};
				_citylistCount++;
			}
			htm.push("</dd>");
		}
		for ( var i = 0, n = data.provinces.length; i < n; i++) {
			var pv = data.provinces[i];
			htm.push("<dt><a href='#vd#' class='black' code='" + _citylistCount
					+ "'>" + pv.n + "</a>\uff1a</dt><dd>");
			newData[_citylistCount] = {
				g : pv.g,
				t : BMapLib.PROVINCE_TYPE_CODE,
				n : pv.n
			};
			_citylistCount++;
			for ( var j = 0, m = pv.cities.length; j < m; j++) {
				htm.push("<a href='#vd#' code='" + _citylistCount + "'>"
						+ pv.cities[j].n + "</a>");
				newData[_citylistCount] = {
					g : pv.cities[j].g,
					t : BMapLib.CITY_TYPE_CODE,
					n : pv.cities[j].n
				};
				_citylistCount++;
			}
			htm.push("</dd>");
		}
		if (data.other && data.other.length > 0) {
			htm.push("<dt>\u5176\u4ed6\uff1a</dt><dd>");
			for ( var i = 0, n = data.other.length; i < n; i++) {
				var oth = data.other[i];
				htm.push("<a href='#vd#' code='" + _citylistCount + "'>"
						+ oth.n + "</a>");
				newData[_citylistCount] = {
					g : oth.g,
					t : BMapLib.CITY_TYPE_CODE,
					n : oth.n
				};
				_citylistCount++;
			}
			htm.push("</dd>");
		}
		htm.push("</dl></div>");
		baidu.g(this._opts.container).innerHTML = htm.join("").replace(
				/#vd#/ig, vds);
		this._data = newData;
	};
	CityList.prototype._bind = function() {
		if (!this._opts.container || !baidu.g(this._opts.container)
				|| !baidu.g("bmaplib_cityList_" + this.guid)) {
			return
		}
		var cl = baidu.g("bmaplib_cityList_" + this.guid);
		var tags = cl.getElementsByTagName("a"), me = this;
		for ( var i = 0, n = tags.length; i < n; i++) {
			(function() {
				var tg = tags[i];
				if (!tg) {
					return
				}
				baidu
						.on(
								tg,
								"click",
								function() {
									if (!baidu.getAttr(tg, "code")) {
										return
									}
									var event = new baidu.lang.Event(
											"oncityclick"), code = baidu
											.getAttr(tg, "code"), json = me._data[code];
									if (!json) {
										return
									}
									json = formatJson(json);
									event.name = json.name;
									event.center = json.center;
									event.citytype = json.t;
									var _zoom = json.zoom;
									if (me._opts.map) {
										var _map = me._opts.map;
										_zoom = getBestLevel(_zoom, _map);
										_map.centerAndZoom(json.center, _zoom);
									}
									event.zoom = _zoom;
									me.dispatchEvent(event);
								});
			})();
		}
	};
	CityList.prototype._execCss = function() {
		if (!BMapLib.CityList._isStyleRender) {
			var st = null;
			if (baidu.g("_bmaplib_citylist_css")) {
				baidu.g("_bmaplib_citylist_css").parentNode.removeChild(baidu
						.g("_bmaplib_citylist_css"));
			}
			var st = document.createElement("STYLE");
			st.type = "text/css";
			st.id = "_bmaplib_citylist_css";
			document.body.appendChild(st);
			if (baidu.browser.ie > 0) {
				st.styleSheet.cssText = this._css.join("");
			} else {
				st.appendChild(document.createTextNode(this._css.join("")));
			}
			BMapLib.CityList._isStyleRender = true;
		}
	};
	CityList.prototype._formatCityData = function(cityData) {
		var _dt = cityData, _newDt = {};
		if (_dt.municipalities && _dt.municipalities.length > 0) {
			_newDt.municipalities = [];
			for ( var i = 0, n = _dt.municipalities.length; i < n; i++) {
				_newDt.municipalities.push(formatJson(_dt.municipalities[i]));
			}
		}
		if (_dt.provinces && _dt.provinces.length > 0) {
			_newDt.provinces = [];
			for ( var i = 0, n = _dt.provinces.length; i < n; i++) {
				_newDt.provinces.push(formatJson(_dt.provinces[i]));
				_newDt.provinces[i].cities = [];
				for ( var j = 0, m = _dt.provinces[i].cities.length; j < m; j++) {
					_newDt.provinces[i].cities
							.push(formatJson(_dt.provinces[i].cities[j]));
				}
			}
		}
		if (_dt.other && _dt.other.length > 0) {
			_newDt.other = [];
			for ( var i = 0, n = _dt.other.length; i < n; i++) {
				_newDt.other.push(formatJson(_dt.other[i]));
			}
		}
		return _newDt;
	};
	CityList.prototype.getCityData = function() {
		return (!!_outputData ? _outputData : false);
	};
	function formatJson(cityinfo) {
		if (!cityinfo || !cityinfo.n || !cityinfo.g) {
			return
		}
		var newInfo = {};
		newInfo.name = cityinfo.n;
		var dts = cityinfo.g.split("|"), dtsPts = dts[0].split(",");
		newInfo.center = new BMap.Point(dtsPts[0], dtsPts[1]);
		var _zoom = parseInt(dts[1], 10);
		newInfo.zoom = _zoom;
		if (!!cityinfo.t) {
			newInfo.t = cityinfo.t;
		}
		return newInfo;
	}
	function scriptRequest(url, callback, charset) {
		var isIe = /msie/i.test(window.navigator.userAgent);
		var scriptId = "_script_bmaplib_citylist_";
		if (baidu.g(scriptId)) {
			var script = baidu.g(scriptId);
		} else {
			if (baidu.g(scriptId)) {
				baidu.g(scriptId).parentNode.removeChild(baidu.g(scriptId));
			}
			var script = document.createElement("script");
			if (charset != null) {
				script.charset = charset;
			}
			script.setAttribute("id", scriptId);
			script.setAttribute("type", "text/javascript");
			document.body.appendChild(script);
		}
		var t = new Date();
		if (url.indexOf("?") > -1) {
			url += "&t=" + t.getTime();
		} else {
			url += "?t=" + t.getTime();
		}
		var _complete = function() {
			if (!script.readyState || script.readyState == "loaded"
					|| script.readyState == "complete") {
				if (typeof (callback) == "function") {
					try {
						callback();
					} catch (e) {
					}
				} else {
					eval(callback);
				}
			}
		};
		if (isIe) {
			script.onreadystatechange = _complete;
		} else {
			script.onload = _complete;
		}
		script.setAttribute("src", url);
	}
	function getBestLevel(level, map) {
		if (map) {
			var sz = map.getSize();
			var ratio = Math.min(sz.width / 1100, sz.height / 660);
			level = Math.round(level + (Math.log(ratio) / Math.log(2)));
		}
		if (level < 1) {
			level = 1;
		}
		if (level > 18) {
			level = 18;
		}
		return level;
	}
})();