// JavaScript Document
/*
常用的公共函数以及对象

**/
// 对Date的扩展，将 Date 转化为指定格式的String 
// 月(M)、日(d)、小时(h)、分(m)、秒(s)、季度(q) 可以用 1-2 个占位符， 
// 年(y)可以用 1-4 个占位符，毫秒(S)只能用 1 个占位符(是 1-3 位的数字) 
// 例子： 
// (new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423 
// (new Date()).Format("yyyy-M-d h:m:s.S")      ==> 2006-7-2 8:9:4.18 
Date.prototype.Format = function(fmt) 
{ //author: meizz 
  var o = { 
    "M+" : this.getMonth()+1,                 //月份 
    "d+" : this.getDate(),                    //日 
    "h+" : this.getHours(),                   //小时 
    "m+" : this.getMinutes(),                 //分 
    "s+" : this.getSeconds(),                 //秒 
    "q+" : Math.floor((this.getMonth()+3)/3), //季度 
    "S"  : this.getMilliseconds()             //毫秒 
  }; 
  if(/(y+)/.test(fmt)) 
    fmt=fmt.replace(RegExp.$1, (this.getFullYear()+"").substr(4 - RegExp.$1.length)); 
  for(var k in o) 
    if(new RegExp("("+ k +")").test(fmt)) 
  fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length))); 
  return fmt; 
};

//扩展日期对象,时间对象进行加减运算
Date.prototype.add=function(obj){ //args:{"year":1,"day":-1}
    var y=this.getFullYear(),m=this.getMonth()+1,days=this.getDate(),d=0;
    if(typeof obj !='object'){return this;}
    for(var q in obj){
        if(q=='year'){
            y += obj[q];
        }else if(q=='month'){
            m += obj[q];
            if(m>12){
                   y += parseInt(m/12);
                   m=m%12;
            }
            if(m<1){
                   y += parseInt(m/12)-1;
                   m=12+m%12;
            }
        }else if(q=='day'){
            d += obj[q];
        }
    }
    return new Date(new Date(y+"/"+m+"/"+days).getTime()+d*24*60*60*1000);
};
String.prototype.replaceAll = function (FindText, RepText) {
    var regExp = new RegExp(FindText, "g");
    return this.replace(regExp, RepText);
};
//绑定函数执行作用域，object->作用域，fun->需执行的函数
function bind(object, fun)
{
    return function() {
        return fun.apply(object, arguments);
    };
};
function getCookieVal(offset) 
{
   var endstr = document.cookie.indexOf (";", offset);
   if (endstr == -1)
      endstr = document.cookie.length;
   return unescape(document.cookie.substring(offset, endstr));
};
//获取Cookies的通用方法  
function GetCookie (name)   
{  
   var arg = name + "=";  
   var alen = arg.length;  
   var clen = document.cookie.length;  
   var i = 0;  
   while (i < clen)   
        {  
      var j = i + alen;  
      if (document.cookie.substring(i, j) == arg)  
         return this.getCookieVal (j);  
      i = document.cookie.indexOf(" ", i) + 1;  
      if (i == 0)   
         break;   
      }  
   return null;  
}; 
//设置Cookies的通用方法   
function SetCookie(name, value, expire)   
{  
   var argv = this.SetCookie.arguments;  
   var argc = this.SetCookie.arguments.length;
   var ex = (typeof expire !="undefined")?expire:(3650*24*60*60*1000);
   var expires=new Date();
   expires.setTime(expires.getTime()+ex);   
   var path = (3 < argc) ? argv[3] : null;  
   var domain = (4 < argc) ? argv[4] : null;  
   var secure = (5 < argc) ? argv[5] : false;  
   document.cookie = name + "=" + escape (value) +  
     ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +  
     ((path == null) ? "" : ("; path=" + path)) +  
     ((domain == null) ? "" : ("; domain=" + domain)) +  
    ((secure == true) ? "; secure" : "");  
}; 
function DelCookie(name) 
{ 
    var expires = new Date(); 
    expires.setTime(expires.getTime() - 1); 
    var cval=GetCookie(name); 
    if(cval!=null) 
        document.cookie= name + "="+cval+";expires="+expires.toGMTString(); 
};
function getClientData(name){
    var val = '';
    try{
      if(window.localStorage){
          val = localStorage[name];
      }else{
          var reg = new RegExp("(^|(;\\s))"+name+"=([^;]*)");
          var matchCookie = document.cookie.match(reg);
          if(matchCookie && matchCookie.length >= 2){
             val =  matchCookie[3];
          }
      }
    }catch(e){};
    return val;
};
function setClientData(name, value){
  try{
    if(window.localStorage){
        localStorage[name] = value;
    }else{
        var now = new Date();
        now = now.setDate(now.getDate() + 1);
        document.cookie = name + '=' + value + ';expires=' + new Date(now).toGMTString();
    }
  }catch(e){};
};
function delClientData(name){
    if(window.localStorage){
        localStorage.removeItem(name);
    }else{
        var now = new Date();
        now = now.setDate(now.getDate() - 1);
        document.cookie = name + '=' + getClientData(name) + ';expires=' + new Date(now).toGMTString();
    }
};
//创建页面所需样式
function createStyle(X) 
{   
    try{
        var G = document.createStyleSheet();
        G.cssText = X;
    }  catch (e) {
        var C = document.createElement("style");
        C.type = "text/css";
        C.appendChild(document.createTextNode(X));
        document.getElementsByTagName("HEAD")[0].appendChild(C);
    }
};
//解析模版，返回解析后的字符串数据 
//var _tem = "<tr><td>{name}</td><td>{id}</td></tr>";
//var _json = [{'name':"张三",'id':"112"},{'name':"李四",'id':"113"}];
//renderHtml(_tem,_json)
function renderHtml(_tem,_jsonArr)
{
    if(typeof _tem!="undefined"&&typeof _jsonArr!="undefined")
    {
        var _html = [];
        var _arr = _jsonArr;
        if(Object.prototype.toString.call(_arr) != '[object Array]')
        {
            _arr = [_jsonArr];
        }
        for(var i=0;i<_arr.length;i++)
        {
            var _rec = _tem;
            for (k in _arr[i]) 
            {
                _rec = _rec.replaceAll("{"+k+"}", _arr[i][k]);
            }
            _html.push(_rec);
        }
        return _html.join("");
    }
    else
    {
        return "";  
    }
};
//获取表单要提交的数据的字符串 formObj--表单对象
function getFormStr(formObj)
{
    var elements = formObj.elements;
    var postContent = "";
    for (var i = 0; i < elements.length; ++i) {
        var element = elements[i];
        if(!element.name||element.getAttribute('allow'))continue;//对于没有设置name属性的表单不提交
        if (element.type == "text" || element.type == "number" || element.type == "email" || element.type == "url" || element.type == "range" || element.type == "textarea"|| element.type == "hidden") {
            postContent += encodeURIComponent(element.name) + "="+ encodeURIComponent(element.value) + "&";
        } else if (element.type == "select-one"
                || element.type == "select-multiple") {
            var options = element.options, j, item;
            for (j = 0; j < options.length; ++j) {
                item = options[j];
                if (item.selected) {
                    postContent += encodeURIComponent(element.name) + "="+ encodeURIComponent(item.value) + "&";
                }
            }
        } else if (element.type == "checkbox" || element.type == "radio") {
            if (element.checked) {//存在的问题：如果只是单个的checkbox，把其从选中改为取消选中时，此时不能得到提交
                postContent += encodeURIComponent(element.name) + "="+ encodeURIComponent(element.value) + "&";
            }
        } else if (element.type == "file") {
            if (element.value != "") {
                postContent += encodeURIComponent(element.name) + "="+ encodeURIComponent(element.value) + "&";
            }
        } else {
            postContent += encodeURIComponent(element.name) + "="+ encodeURIComponent(element.value) + "&";
        }
    }
    return postContent;
};
//加载表单数据
function setFormStr(formObj,data)
{
    var elements = formObj.elements;
    for (var i = 0; i < elements.length; ++i) {
        var element = elements[i];
        if(!element.name||element.getAttribute('switch'))continue;//对于没有设置name属性的 和 开关值为空的 则不加载当前的数据
        var key = element.getAttribute('name');
        var nameVal = eval("data."+key);
        if(nameVal||nameVal==""){//当data数据中存在和name属性对于的值的时候,才设置当前数据的值
            if (element.type == "text" || element.type == "number" || element.type == "email" || element.type == "url" || element.type == "range" || element.type == "password" || element.type == "textarea"|| element.type == "hidden") {
                element.value = nameVal;
            }else if (element.type == "select-one" || element.type == "select-multiple"){
                var options = element.options, j, item;
                for (j = 0; j < options.length; ++j) {
                    item = options[j];
                    if(item.value==nameVal){
                        item.selected = true;
                    }
                }
            } else if (element.type == "radio") {
                if(element.value==nameVal){
                    element.checked = true;
                }
            } else if (element.type == "checkbox") {//如果是复选框,针对多个被选择的情况
                var tp = [nameVal+""];
                nameVal+="";
                if(nameVal.indexOf(',')>-1){
                    tp = nameVal.split(',');
                }else if(nameVal.indexOf('|')>-1){
                    tp = nameVal.split('|');
                }else if(nameVal.indexOf('#')>-1){
                    tp = nameVal.split('#');              
                }
                for(var k=0;k<tp.length;k++){
                    if(parseInt(tp[k])){
                        element.checked = true;
                    }else{
                        element.checked = false;
                    }
                }
            }
        }
    }
};
//验证不通过，错误提示
function showError(msg)
{
    var wrap=$(".error");
    wrap[0].timer&&clearTimeout(wrap[0].timer);
    wrap.find("span").html(msg);
    wrap.show();
    wrap[0].timer=setTimeout(function(){
        wrap.animate({"opacity":"0"},"normal","",function(){
           wrap.hide();
           wrap.css("opacity","1");
        });
    },2000);
};
//去掉数组中重复的数据 arr->传入的数组
function unique(arr) 
{
    var result = [], hash = {};
    for (var i = 0, elem; (elem = arr[i]) != null; i++) {
        if (!hash[elem]) {
            result.push(elem);
            hash[elem] = true;
        }
    }
    return result;
};
//返回时区偏移的秒数
function timezoneOffset()
{
    var d = new Date();
    var hours = d.getTimezoneOffset();
    return -(hours*60);
};
//表单重置处理ff浏览器下hidden类型不能重置的问题
function resetForm(formObj){
    if(!formObj) return;
    formObj.reset();
    var elements = formObj.elements;
    for (var i = 0; i < elements.length; ++i) {
        var element = elements[i];
        if(element.type == "hidden"){
            element.value = "";
        }
    }
};

//表单重置处理ff浏览器下hidden类型不能重置的问题
function resetSomeForm(formObj){
    //formObj.reset();
    var elements = formObj.elements;
    for (var i = 0; i < elements.length; ++i) {
        var element = elements[i];
        if(!element.name||element.getAttribute('noreset'))continue;//对于没有设置name属性的表单不提交
        if (element.type == "text" || element.type == "number" || element.type == "email" || element.type == "url" || element.type == "textarea"|| element.type == "hidden") {
            element.value = "";
        }
    }
};

function scrollToLocation(mainContainer,scrollToContainer) {
    mainContainer.scrollTop(
      scrollToContainer.offset().top - mainContainer.offset().top + mainContainer.scrollTop()
    );
    //动画效果
    //mainContainer.animate({
      //scrollTop: scrollToContainer.offset().top - mainContainer.offset().top + mainContainer.scrollTop()
    //}, 200);//2秒滑动到指定位置
};
//获取文本的尺寸
function getHtmlSize(html) {
    var dummyTextNode = document.getElementById('dummyTextNode');
    //创建dummyTextNode对象
    if(!dummyTextNode) {
        dummyTextNode = document.createElement("span");
        dummyTextNode.id = 'dummyTextNode';
        dummyTextNode.style.display = 'none';
        document.body.appendChild(dummyTextNode);
    }

    var size = {};
    dummyTextNode.innerHTML = html;
    dummyTextNode.style.display = '';
    size.w = dummyTextNode.offsetWidth;
    size.h = dummyTextNode.offsetHeight;
    dummyTextNode.style.display = 'none';
    return size;
};
//浏览器页面显示时间处理
function getBrowserVisibilityEventKey()
{
    var hidden = "hidden";
    var state = "visibilityState";
    var visibilityChange = "visibilitychange"; 
    var prefix = ['webkit', 'moz', 'o', 'ms'];
    
    for(var i=0;i<prefix.length;i++)
    {
        if( typeof document[ prefix[i] + 'Hidden' ] != 'undefined' ){
            visibilityChange = prefix[i]+"visibilitychange";
            state = prefix[i]+"VisibilityState";
            hidden = prefix[i]+"Hidden";
            break;
        }   
    }
    return {"ev":visibilityChange,"stat":state,"hidden":hidden};
};

//type->类型 short->缩写 removeToday->是否包含今天
function queryByDate(type, short, removeToday) 
{
    var picker = new DatePicker({
        beginTimeInput:!short?$("#beginTimeHour"):$("#beginTimeDay"),
        endTimeInput: !short?$("#endTimeHour"):$("#endTimeDay")
    });
    switch (type) {
    case 1:
        picker.setToday(short);
        break;
    case 2:
        picker.setYesterday(short);
        break;
    case 3:
        picker.setThisWeek(short, removeToday);
        break;
    case 4:
        picker.setLastWeek(short);
        break;
    case 5:
        picker.setThisMonth(short, removeToday);
        break;
    case 6:
        picker.setLastMonth(short);
    }
    $("#btn_search").click();
};

//替换URL上的参数
function changeURLArg(url,arg,arg_val){
    var pattern=arg+'=([^&]*)';
    var replaceText=arg+'='+arg_val;
    if(url.match(pattern)){
        var tmp='/('+ arg+'=)([^&]*)/gi';
        tmp=url.replace(eval(tmp),replaceText);
        return tmp;
    }else{
        if(url.match('[\?]')){
            return url+'&'+replaceText;
        }else{
            return url+'?'+replaceText;
        }
    }
    return url+'\n'+arg+'\n'+arg_val;
}
var getUrlParam = function (url,name){
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
    var r = typeof url.split('?')[1] != "undefined" ? url.split('?')[1].substr(0).match(reg) : null; //匹配目标参数
    if (r != null) return unescape(r[2]);
    return null; //返回参数值
};

//<> 转码
function html2Escape(shtml){
  return shtml.replace(/[<>&"]/g,function(c){return {'<':'&lt;','>':'&gt;','&':'&amp;','"':'&quot;'}[c];});
}

//加密
function encryptPwd(v){
    if(typeof Base64 == "undefined") return v;
    try{
        v = Base64.encode(Base64.encode(v));
    }catch(e){};
    return v;
}

//解密
function decryptPwd(v){
    if(typeof Base64 == "undefined") return v;
    try{ v = Base64.decode(Base64.decode(v)); }catch(e){};
    return v;
}

//空方法
function callbackGoogleMap(){

}

  /**
   * 复制内容
   * @param  {String} id [需要粘贴的内容]
   * @param  {String} attr [需要 copy 的属性，默认是 innerText，主要用途例如赋值 a 标签上的 href 链接]
   *
   * 使用举例：
   * input:text#ipt-txt 
   * copy('ipt-txt','value');
   *
   * range + selection
   * 1.创建一个 range
   * 2.把内容放入 range
   * 3.把 range 放入 selection
   *
   * 注意：参数 attr 不能是自定义属性
   * 注意：对于 user-select: none 的元素无效
   * 注意：当 id 为 false 且 attr 不会空，会直接复制 attr 的内容
   */
function copy (id, attr) {
  var target = null;

  if (attr) {
      target = document.createElement('div');
      target.id = 'tempTarget';
      target.style.opacity = '0';
      if (id) {
          var curNode = document.querySelector('#' + id);
          target.innerText = curNode[attr];
      } else {
          target.innerText = attr;
      }
      document.body.appendChild(target);
  } else {
      target = document.querySelector('#' + id);
  }

  try {
      var range = document.createRange();
      range.selectNode(target);
      window.getSelection().removeAllRanges();
      window.getSelection().addRange(range);
      document.execCommand('copy');
      window.getSelection().removeAllRanges();
      //console.log('复制成功')
  } catch (e) {
      //console.log('复制失败')
  }

  if (attr) {
      // remove temp target
      target.parentElement.removeChild(target);
  }
}