/**
 * @fileOverview 前后端的公用工具类和方法封装
 * @author：Hbomb(zhouqq@yoho.cn) 
 * @date：2012-07-09
 */

define("lib/util/tools",[],function(require, exports,module)
{
	/**
	 * HTML编码
	 */
	exports.escapeHTML = function (ret)
	{
	    if (!ret) 
		{
			return;
		}
		ret =  exports.unescapeHTML(ret);
		var div = document.createElement('div');
	    var text = document.createTextNode(ret);
	    div.appendChild(text);
	    return div.innerHTML;
	};
	/**
	 * HTML反编码
	 */
	exports.unescapeHTML = function (str)
	{
	    str=str+"";
	    var ret = str.replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&amp;/g, '&');
	    ret = ret.replace(/&quot;/g, '"');
	    return ret;
	};
	
	/**
	 * js对象克隆
	 */
	exports.IYOHO_clone = function (myObj)
	{
	    if (typeof(myObj) != 'object') 
	        return myObj;
	    if (myObj == null) 
	        return myObj;
	    
	    var myNewObj = {};
		
		if(myObj.length)
		{
			myNewObj = [];
		}
	    
	    for (var i in myObj) 
	        myNewObj[i] = IYOHO_clone(myObj[i]);
	    
	    return myNewObj;
	};
	
	/**
	 * js object2Array
	 */
	exports.IYOHO_Object2Array = function (obj)
	{
		var arr = [];
		for(var i in obj)
		{
			arr.push(obj[i]);
		}
		return arr;
	};
	
	/**
	 * 时间格式化yyyy/mm/dd
	 */
	exports.timeFormat = function (dt, format)
	{
	    var dd = dt.getDate();
	    var mm = dt.getMonth() + 1; // January is 0!
	    var yyyy = dt.getFullYear();
	    if (dd < 10) 
	    {
	        dd = '0' + dd;
	    }
	    if (mm < 10) 
	    {
	        mm = '0' + mm;
	    }
	    return yyyy + format + mm + format + dd;
	};
	
	/**
	 * 获取url参数 
	 */
	exports.request = function (strName)
	{
	    var strHref = window.document.location.href;
	    return _request(strHref, strName);
	};
	/**
	 * 获取url参数 
	 */
	function _request(href, strName)
	{
	    var strHref = href;
	    var intPos = strHref.indexOf("?");
	    var strRight = strHref.substr(intPos + 1);
	    
	    var arrTmp = strRight.split("&");
	    for (var i = 0; i < arrTmp.length; i++) 
	    {
	        var arrTemp = arrTmp[i].split("=");
	        
	        if (arrTemp[0].toUpperCase() == strName.toUpperCase()) 
	            return arrTemp[1];
	    }
	    return "";
	}
	
	/**
	 * cookie set and get
	 */
	exports.cookie = function (name, value, options)
	{
	    if (typeof value != 'undefined') 
	    {
	        options = options || {};
	        if (value === null)
	        {
	            value = '';
	            //options = $.extend({}, options);
	            options.expires = -1;
	        }
	        var expires = '';
	        if (options.expires &&
	        (typeof options.expires == 'number' || options.expires.toUTCString)) 
	        {
	            var date;
	            if (typeof options.expires == 'number') 
	            {
	                date = new Date();
	                date.setTime(date.getTime() +
	                (options.expires * 24 * 60 * 60 * 1000));
	            }
	            else 
	            {
	                date = options.expires;
	            }
	            expires = '; expires=' + date.toUTCString();
	        }
	        var path = options.path ? '; path=' + (options.path) : '';
	        var domain = options.domain ? '; domain=' + (options.domain) : '';
	        var secure = options.secure ? '; secure' : '';
	        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
	    }
	    else 
	    {
	        var cookieValue = null;
	        if (document.cookie && document.cookie != '') 
	        {
	            var cookies = document.cookie.split(';');
	            for (var i = 0; i < cookies.length; i++) 
	            {
	                var cookie = exports.trim(cookies[i]);
	                if (cookie.substring(0, name.length + 1) == (name + '=')) 
	                {
	                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
	                    break;
	                }
	            }
	        }
	        return cookieValue;
	    }
	    
	};
	
	exports.trim = function( text )
	{
	    if(String.prototype.trim)
	    {
	        return text == null?
	                "":
	               String.prototype.trim.call( text );
	    }
	    else
	    {
	        var trimLeft = /^\s+/;
	        var trimRight = /\s+$/;
	        return text == null?
	            "":
	            text.toString().replace( trimLeft, "" ).replace( trimRight, "" );  
	    }             
    };
	
	/**
	 * 检查email邮箱
	 */
	exports.IYOHO_isEmail = function (str)
	{
	    var reg = /^\s*([A-Za-z0-9_-]+(\.\w+)*@(\w+\.)+\w{2,3})\s*$/;
	    return reg.test(str);
	};
	
	/**
	 * 检查qq号
	 */
	exports.IYOHO_isQQ = function (str)
	{
	    var reg = /^[1-9]\d{4,10}$/;
	    return reg.test(str);
	};

	/**
	 * 检查电话
	 */
	exports.IYOHO_isTel = function (str)
	{
	    var reg = /^\s*[.0-9]{8,11}\s*$/;
	    return reg.test(str);
	};

	
	/**
	 * 检查邮编
	 */
	exports.IYOHO_isPostcode = function(str)
	{
	    var reg = /^[0-9]\d{5}(?!\d)/;
	    return reg.test(str);
	};
	/**
	 * 检测姓名非法字符
	 */
	exports.IYOHO_isUserName = function (str)
	{
	    var reg = /^[^@\/\'\\\"#$%&\^\*]+$/;
	    return reg.test(str);
	};

	/**
	 * 检测是否合法url
	 */
	exports.IYOHO_isURL = function (str) 
	{
		var reg = /^((http(s)?|ftp|telnet|news|rtsp|mms):\/\/)?(((\w(\-*\w)*\.)+[a-zA-Z]{2,4})|(((1\d\d|2([0-4]\d|5[0-5])|[1-9]\d|\d).){3}(1\d\d|2([0-4]\d|5[0-5])|[1-9]\d|\d).?))(:\d{0,5})?(\/+.*)*$/;
		return reg.test(str);
	};

	/**
	 * 根据日期获取星座
	 */
	/**
	 * 摩羯座(12/22 - 1/19)、水瓶座(1/20 - 2/18)、双鱼座(2/19 - 3/20)、牡羊座(3/21 - 4/20)、金牛座(4/21 -
	 * 5/20)、 双子座(5/21 - 6/21)、巨蟹座(6/22 - 7/22)、狮子座(7/23 - 8/22)、处女座(8/23 -
	 * 9/22)、天秤座(9/23 - 10/22)、 天蝎座(10/23 - 11/21)、射手座(11/22 - 12/21)
	 */
	exports.getZodiac = function (month, day)
	{
	    var d = new Date(1999, month - 1, day, 0, 0, 0);
	    var arr = [];
	    arr.push(["摩羯座", new Date(1999, 0, 1, 0, 0, 0)]);
	    arr.push(["水瓶座", new Date(1999, 0, 20, 0, 0, 0)]);
	    arr.push(["双鱼座", new Date(1999, 1, 19, 0, 0, 0)]);
	    arr.push(["牧羊座", new Date(1999, 2, 21, 0, 0, 0)]);
	    arr.push(["金牛座", new Date(1999, 3, 21, 0, 0, 0)]);
	    arr.push(["双子座", new Date(1999, 4, 21, 0, 0, 0)]);
	    arr.push(["巨蟹座", new Date(1999, 5, 22, 0, 0, 0)]);
	    arr.push(["狮子座", new Date(1999, 6, 23, 0, 0, 0)]);
	    arr.push(["处女座", new Date(1999, 7, 23, 0, 0, 0)]);
	    arr.push(["天秤座", new Date(1999, 8, 23, 0, 0, 0)]);
	    arr.push(["天蝎座", new Date(1999, 9, 23, 0, 0, 0)]);
	    arr.push(["射手座", new Date(1999, 10, 22, 0, 0, 0)]);
	    arr.push(["摩羯座", new Date(1999, 11, 22, 0, 0, 0)]);
	    for (var i = arr.length - 1; i >= 0; i--) 
	    {
	        if (d >= arr[i][1]) 
	            return arr[i][0];
	    }
	};

	/**
	 * 根据年份获取生肖 
	 */
	exports.getShengxiao= function (yyyy)
	{

	    var arr = ['猴', '鸡', '狗', '猪', '鼠', '牛', '虎', '兔', '龙', '蛇', '马', '羊'];
	    return /^\d{4}$/.test(yyyy) ? arr[yyyy % 12] : null;
	};

	/**
	 * 数组去重复 
	 */
	exports.unique = function (data)
	{
	    data = data || [];
	    var a = {};
	    for (var i = 0, len = data.length; i < len; i++) 
	    {
	        var v = data[i];
	        if ('undefined' == typeof(a[v])) 
	        {
	            a[v] = 1;
	        }
	    }
	    data.length = 0;
	    for (var i in a) 
	    {
	        data[data.length] = i;
	    }
	    
	    return data;
	};

	/**
	 *  生成一个不重复的别名
	 */
	exports.genDefID = function(str)
	{
	    var time = new Date().getTime() + "";
	    var id = str + "_" + (time).substring(time.length - 6) + "_" +
	    (Math.round(Math.random() * 1000));
	    return id;
	};

	/**
	 * 获取纯字符长度
	 */
	exports.fucCheckLength = function (strTemp)
	{
	    var i, sum;
	    sum = 0;
	    for (i = 0; i < strTemp.length; i++) 
	    {
	        if ((strTemp.charCodeAt(i) >= 0) && (strTemp.charCodeAt(i) <= 255)) 
	            sum = sum + 1;
	        else 
	            sum = sum + 2;
	    }
	    return sum;
	};

	/**
	 * 截字封装（字符串，长度）
	 */
	exports.limitWords = function (str, len)
	{
	    var ret = "";
	    var str_ = exports.unescapeHTML(str);
	    if (exports.fucCheckLength(str_) > len) 
	    {
	        str = exports.unescapeHTML(str);
	        ret = subStringByByte(str, 0, len - 1);
	        ret = exports.escapeHTML(ret);
	        ret += "...";
	    }
	    else 
	    {
	        ret = str;
	    }
	    return ret;
	};

	/**
	 * 截字
	 * @param {} str   需要截字的字符串
	 * @param {} idx1  开始位置
	 * @param {} idx2  结束位置
	 * @return {}
	 */
    function subStringByByte (str, idx1, idx2)
	{
	    var n = 0, start = str.length, end = str.length;
	    
	    for (var i = 0; i < str.length; i++) 
	    {
	        if (n <= idx1) 
	        {
	            start = i;
	        }
	        if (str.charCodeAt(i) < 128) 
	        {
	            n++;
	        }
	        else 
	        {
	            n += 2;
	        }
	        
	        if (n > idx2) 
	        {
	            end = i;
	            break;
	        }
	    }
	    return str.substring(start, end);
	};

	/**
	 * 检测Capslock按键
	 */
	exports.checkCapsLock = function (e) 
	{
		valueCapsLock = e.which;
	  	if (valueCapsLock >= 65 && valueCapsLock <= 90 && !e.shiftKey) 
	  	{
			return true;
		}
		else
		{
		    return false;
		}
	};

	/**
	 * 获得DOM窗口相对于window的位置
	 */
	exports.getPos = function (obj) 
	{
		var curLeft = 0, curTop = 0;
		if (obj.offsetParent) 
		{
			while(obj.offsetParent)
			{
				curLeft += obj.offsetLeft;
				curTop  += obj.offsetTop;
				obj      = obj.offsetParent;
			}
		};
		return [curTop, curLeft];
	};

	/**
	 * 获得相关的属性的方法
	 */
	exports.getCssVal = function (o, key)
	{
		return o.currentStyle? o.currentStyle[key] : document.defaultView.getComputedStyle(o,false)[key]; 	
	};

    /**
     * 判断是否数组
     */
	exports.isArray = function(params)
	{
	    return Object.prototype.toString.apply(params) === '[object Array]';
	};
	
	/**
	 * 日期的格式化
	 */
	Date.prototype.format = function(format) //author: meizz 
	{
	     var o = { 
	        "M+" : this.getMonth()+1, //month 
	        "d+" : this.getDate(),    //day 
	        "h+" : this.getHours(),   //hour 
	        "m+" : this.getMinutes(), //minute 
	        "s+" : this.getSeconds(), //second 
	        "q+" : Math.floor((this.getMonth()+3)/3),  //quarter 
	        "S"  : this.getMilliseconds() //millisecond 
	    };
	    if(/(y+)/.test(format)) 
	    {
	        format=format.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length)); 
	    }
	    for(var k in o)
	    {
	        if(new RegExp("("+ k +")").test(format)) 
	        {
	            format = format.replace(RegExp.$1, RegExp.$1.length==1 ? o[k] : ("00"+ o[k]).substr((""+ o[k]).length)); 
	        }
	    }
	    return format; 
	};
	
	//获取flash对象
	exports.getFlash = function (movieName) 
	{
	    if (navigator.appName.indexOf("Microsoft") != -1&&navigator.appVersion.indexOf("MSIE 9.0")==-1) 
	    {
	      return window[movieName];
	    }
	    else
	    {
	      return document[movieName];
	    }
	};
	
	//判断是否有history
	exports.hasHistory = function()
	{
        if ((navigator.userAgent.indexOf('MSIE') >= 0) && (navigator.userAgent.indexOf('Opera') < 0))
        { 
	        if(history.length>0)
	        { 
    	        return true;
	        } 
	        else
	        {
	            return false;
	        }
        } 
        else   
        { 
            if(history.length>1)
            { 
                return true;
            } 
            else
            {
                return false;
            }
        } 
	};
});