﻿<!--
/**
 * return date
 * @param d the delimiter
 * @param p the pattern of your date
 */
var is_opera_d  = (navigator.userAgent.toLowerCase().indexOf('opera') != -1);
String.prototype.toDate = function(x, p) {
  if(x == null) x = "-";
  if(p == null) p = "ymd";
  var a = this.split(x);
  var y = parseInt(a[p.indexOf("y")]);
  //remember to change this next century ;)
  if(y.toString().length <= 2) y += 2000;
  if(isNaN(y)) y = new Date().getFullYear();
  var m = parseInt(a[p.indexOf("m")]) - 1;
  var d = parseInt(a[p.indexOf("d")]);
  if(isNaN(d)) d = 1;
  return new Date(y, m, d);
}

/**
 * format date
 * @param   d the delimiter
 * @param   p the pattern of your date
 * @author  meizz
 */
Date.prototype.format = function(style) {
  var o = {
    "M+" : this.getMonth() + 1, //month
    "d+" : this.getDate(),      //day
    "h+" : this.getHours(),     //hour
    "m+" : this.getMinutes(),   //minute
    "s+" : this.getSeconds(),   //second
    "w+" : Calendar.language["weeks"][1][this.getDay()],   //week
    "q+" : Math.floor((this.getMonth() + 3) / 3),  //quarter
    "S"  : this.getMilliseconds() //millisecond
  }
  if(/(y+)/.test(style)) {
    style = style.replace(RegExp.$1,
    (this.getFullYear() + "").substr(4 - RegExp.$1.length));
  }
  for(var k in o){
    if(new RegExp("("+ k +")").test(style)){
      style = style.replace(RegExp.$1,
        RegExp.$1.length == 1 ? o[k] :
        ("00" + o[k]).substr(("" + o[k]).length));
    }
  }
  return style;
};

/**
 * calendar class
 * @param   beginYear 2006
 * @param   endYear   2020
 * @param   lang      0(chinese)|1(eng) 
 * @param   dateFormatStyle  "MM/dd/yyyy";
 */
function Calendar(beginYear, endYear, lang, dateFormatStyle) {
  this.beginYear = 2006;
  this.endYear = 2020;
  this.lang = 1;            //0(chinease) | 1(eng)
  this.dateFormatStyle = "MM/dd/yyyy";

  if (beginYear != null && endYear != null){
    this.beginYear = beginYear;
    this.endYear = endYear;
  }
  if (lang != null){
    this.lang = lang
  }

  if (dateFormatStyle != null){
    this.dateFormatStyle = dateFormatStyle
  }

  this.dateControl = null;
  this.panel = this.getElementById("calendarPanel");
  this.form  = null;

  this.date = new Date();
  this.year = this.date.getFullYear();
  this.month = this.date.getMonth();


  this.colors = {
  "cur_word"      : "#ffffff",  //当日日期文字颜色
  "cur_bg"        : "#FFCC00",  //当日日期单元格背影色
  "sun_word"      : "#FF0000",  //星期天文字颜色
  "sat_word"      : "#0000FF",  //星期六文字颜色
  "td_word_light" : "#333333",  //单元格文字颜色
  "td_word_dark"  : "#CCCCCC",  //单元格文字暗色
  "td_bg_out"     : "#EFEFEF",  //单元格背影色
  "td_bg_over"    : "#FFCC00",  //单元格背影色
  "tr_word"       : "#FFFFFF",  //日历头文字颜色
  "tr_bg"         : "#32B4FC",  //日历头背影色
  "input_border"  : "#CCCCCC",  //input控件的边框颜色
  "input_bg"      : "#EFEFEF",   //input控件的背影色
  "cur_color"     : "#FFCC00"
  }

  this.draw();
  this.bindYear();
  this.bindMonth();
  this.changeSelect();
  this.bindData();
}

/**
 * 日历类属性（语言包，可自由扩展）
 */
Calendar.language = {
  "year"   : [[""], [""]],
  "months" : [["一月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月"],
        ["JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC"]
         ],
  "weeks"  : [["日","一","二","三","四","五","六"],
        ["SUN","MON","TUE","WED","THU","FRI","SAT"]],
  "clear"  : [["清空"], ["Clear"]],
  "today"  : [["今天"], ["Today"]],
  "close"  : [["关闭"], ["Close"]]
}

Calendar.prototype.draw = function() {
  calendar = this;

  var mvAry = [];
  mvAry[mvAry.length]  = '  <form name="calendarForm" style="margin: 0px;">';

  mvAry[mvAry.length]  = '    <table width="100%"  border="0" cellpadding="0" cellspacing="1">';
  mvAry[mvAry.length]  = '      <tr>';
  mvAry[mvAry.length]  = '        <th align="left" width="1%"><input style="font-size:9px;border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:12px;height:20px;font-size:9px;" name="prevMonth" type="button" id="prevMonth" value="&lt;" /></th>';
  mvAry[mvAry.length]  = '        <th align="center" width="98%" nowrap="nowrap"><select name="calendarYear" id="calendarYear" style="font-size:9px;"></select><select name="calendarMonth" id="calendarMonth" style="font-size:12px;"></select></th>';
  mvAry[mvAry.length]  = '        <th align="right" width="1%"><input style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:12px;height:20px;font-size:9px;" name="nextMonth" type="button" id="nextMonth" value="&gt;" /></th>';
  mvAry[mvAry.length]  = '      </tr>';
  mvAry[mvAry.length]  = '    </table>';
  mvAry[mvAry.length]  = '    <table id="calendarTable" width="100%" style="font-size:9px;border:0px solid #CCCCCC;background-color:#FFFFFF" border="0" cellpadding="1" cellspacing="1">';
  mvAry[mvAry.length]  = '      <tr>';
  for(var i = 0; i < 7; i++) {
    mvAry[mvAry.length]  = '      <th style="font-weight:normal;font-size:11px;background-color:' + calendar.colors["tr_bg"] + ';color:' + calendar.colors["tr_word"] + ';">' + Calendar.language["weeks"][this.lang][i] + '</th>';
  }
  mvAry[mvAry.length]  = '      </tr>';
  for(var i = 0; i < 6;i++){
    mvAry[mvAry.length]  = '    <tr align="center">';
    for(var j = 0; j < 7; j++) {
      if (j == 0){
        mvAry[mvAry.length]  = '  <td style="cursor:default;font-size:9px;color:' + calendar.colors["sun_word"] + ';"></td>';
      } else if(j == 6) {
        mvAry[mvAry.length]  = '  <td style="cursor:default;font-size:9px;color:' + calendar.colors["sat_word"] + ';"></td>';
      } else {
        mvAry[mvAry.length]  = '  <td style="cursor:default;font-size:9px;"></td>';
      }
    }
    mvAry[mvAry.length]  = '    </tr>';
  }
  mvAry[mvAry.length]  = '      <tr style="background-color:' + calendar.colors["input_bg"] + ';">';
  mvAry[mvAry.length]  = '        <th colspan="2"><input name="calendarClear" type="button" id="calendarClear" value="' + Calendar.language["clear"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:9px;"/></th>';
  mvAry[mvAry.length]  = '        <th colspan="3"><input name="calendarToday" type="button" id="calendarToday" value="' + Calendar.language["today"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:9px;"/></th>';
  mvAry[mvAry.length]  = '        <th colspan="2"><input name="calendarClose" type="button" id="calendarClose" value="' + Calendar.language["close"][this.lang] + '" style="border: 1px solid ' + calendar.colors["input_border"] + ';background-color:' + calendar.colors["input_bg"] + ';width:100%;height:20px;font-size:9px;"/></th>';
  mvAry[mvAry.length]  = '      </tr>';
  mvAry[mvAry.length]  = '    </table>';
 
  mvAry[mvAry.length]  = '  </form>';
  
  if(this.panel!=null)
   this.panel.innerHTML = mvAry.join("");
  //this.getElementById("calendarPanel").innerHTML = mvAry.join("");
  this.form = document.forms["calendarForm"];
  //this.form = document.getElementById("calendarForm");
  if(this.form!=null){
   this.form.prevMonth.onclick = function () {calendar.goPrevMonth(this);}
   this.form.nextMonth.onclick = function () {calendar.goNextMonth(this);}
 
   this.form.calendarClear.onclick = function () {calendar.dateControl.value = "";calendar.hide();}
   this.form.calendarClose.onclick = function () {calendar.hide();}
   this.form.calendarYear.onchange = function () {calendar.update(this);}
   this.form.calendarMonth.onchange = function () {calendar.update(this);}
   this.form.calendarToday.onclick = function () {
     var today = new Date();
     calendar.date = today;
     calendar.year = today.getFullYear();
     calendar.month = today.getMonth();
     calendar.changeSelect();
     calendar.bindData();
     calendar.dateControl.value = today.format(calendar.dateFormatStyle);
     calendar.hide();
   }
  }

}

//年份下拉框绑定数据
Calendar.prototype.bindYear = function() {
  if(this.form!=null){
   var cy = this.form.calendarYear;
   cy.length = 0;
   for (var i = this.beginYear; i <= this.endYear; i++){
     cy.options[cy.length] = new Option(i + Calendar.language["year"][this.lang], i);
   }
  }
}

//月份下拉框绑定数据
Calendar.prototype.bindMonth = function() {
  if(this.form!=null){
   var cm = this.form.calendarMonth;
   cm.length = 0;
   for (var i = 0; i < 12; i++){
     cm.options[cm.length] = new Option(Calendar.language["months"][this.lang][i], i);
   }
  }
}

//向前一月
Calendar.prototype.goPrevMonth = function(e){
  if (this.year == this.beginYear && this.month == 0){return;}
  this.month--;
  if (this.month == -1) {
    this.year--;
    this.month = 11;
  }
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//向后一月
Calendar.prototype.goNextMonth = function(e){

  if (this.year == this.endYear && this.month == 11){return;}
  this.month++;
  if (this.month == 12) {
    this.year++;
    this.month = 0;
  }
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//改变SELECT选中状态
Calendar.prototype.changeSelect = function() 
{

 if(this.form!=null)
 {
   var cy = this.form.calendarYear;
   var cm = this.form.calendarMonth;
   for (var i= 0; i < cy.length; i++){
     if (cy.options[i].value == this.date.getFullYear()){
       cy[i].selected = true;
       break;
     }
   }
   for (var i= 0; i < cm.length; i++){
     if (cm.options[i].value == this.date.getMonth()){
       cm[i].selected = true;
       break;
     }
   }
  }
}

//更新年、月
Calendar.prototype.update = function (e){
  this.year  = e.form.calendarYear.options[e.form.calendarYear.selectedIndex].value;
  this.month = e.form.calendarMonth.options[e.form.calendarMonth.selectedIndex].value;
  this.date = new Date(this.year, this.month, 1);
  this.changeSelect();
  this.bindData();
}

//绑定数据到月视图
Calendar.prototype.bindData = function () {

 var calendar = this;
 var date =new  Date(this.year, this.month);
  
  var date1=new Date();
  var curDate=new Date(date1.getFullYear(),date1.getMonth(),date1.getDate()).format("yyyy/MM/dd");
  var dateArray = this.getMonthViewArray(this.year, date.getMonth());
  
  if(this.getElementById("calendarTable")!=null){
  
   var tds = this.getElementById("calendarTable").getElementsByTagName("td");
   //var tds=document.getElementById("calendarTable").getElementsByTagName("td");;
   for(var i = 0; i < tds.length; i++) 
   {
  
   //tds[i].style.color = calendar.colors["td_word_light"];
     tds[i].style.backgroundColor = calendar.colors["td_bg_out"];
     tds[i].onclick = function () {return;}
     tds[i].onmouseover = function () {return;}
     tds[i].onmouseout = function () {return;}
     if (i > dateArray.length - 1) break;
     tds[i].innerHTML = dateArray[i];
     if (dateArray[i] != "&nbsp;")
     {

       var tdDate=new Date(this.year,this.month,dateArray[i]).format("yyyy/MM/dd");
       //alert(tdDate);
       if(tdDate<curDate)
       {
          if(tdDate==curDate)
             tds[i].style.backgroundColor=calendar.colors["cur_color"];
         else
             tds[i].style.backgroundColor=calendar.colors["tr_word"];
          continue;
       }
       tds[i].onclick = function () 
       {
      
               
             
         if (calendar.dateControl != null)
         {
             
           calendar.dateControl.value = new Date(date.getFullYear(),
                                                 date.getMonth(),
                                                 this.innerHTML).format(calendar.dateFormatStyle);
                                               
                                               
         }
         calendar.hide();
       }
       tds[i].onmouseover = function () 
       {
         this.style.backgroundColor = calendar.colors["td_bg_over"];
       }
       tds[i].onmouseout = function () 
       {
         this.style.backgroundColor = calendar.colors["td_bg_out"];
       }
       if (new Date().format(calendar.dateFormatStyle) == new Date(date.getFullYear(), date.getMonth(),dateArray[i]).format(calendar.dateFormatStyle)) 
       {
         //tds[i].style.color = calendar.colors["cur_word"];
         tds[i].style.backgroundColor = calendar.colors["cur_bg"];
         
         tds[i].onmouseover = function () 
         {
           this.style.backgroundColor = calendar.colors["td_bg_over"];
         }
         tds[i].onmouseout = function () 
         {
           this.style.backgroundColor = calendar.colors["cur_bg"];
         }
       }//end if
     }
     else{ tds[i].style.backgroundColor=calendar.colors["tr_word"];}
   }
  }

}

//根据年、月得到月视图数据(数组形式)
Calendar.prototype.getMonthViewArray = function (y, m) {
  var mvArray = [];
  var dayOfFirstDay =1;
  //if(window.event)
  //{
   dayOfFirstDay=new Date(y, m, 1).getDay();
  //}
  //else
  //{
     //dayOfFirstDay=new Date(y, m+1, 1).getDay()-1;
  //}
  var daysOfMonth = new Date(y, m + 1, 0).getDate();
  for (var i = 0; i < 42; i++) {
    mvArray[i] = "&nbsp;";
  }
  for (var i = 0; i < daysOfMonth; i++){
    mvArray[i + dayOfFirstDay] = i + 1;
  }

  return mvArray;
}

//扩展 document.getElementById(id) 多浏览器兼容性 from meizz tree source
Calendar.prototype.getElementById = function(id){
  if (typeof(id) != "string" || id == "") return null;
  if (document.getElementById) return document.getElementById(id);
  if (document.all) return document.all(id);
  try {return eval(id);} catch(e){ return null;}
}

//扩展 object.getElementsByTagName(tagName)
Calendar.prototype.getElementsByTagName = function(object, tagName){
  if (document.getElementsByTagName) return document.getElementsByTagName(tagName);
  if (document.all) return document.all.tags(tagName);
}

//取得HTML控件绝对位置
Calendar.prototype.getAbsPoint = function (e){
  var x = e.offsetLeft;
  var y = e.offsetTop;
  while(e = e.offsetParent){
    x += e.offsetLeft;
    y += e.offsetTop;
  }
  return {"x": x-30, "y": y};
}

//显示日历
Calendar.prototype.show = function (dateControl, popControl) {
  if (dateControl == null){
    throw new Error("arguments[0] is necessary")
  }
  this.dateControl = dateControl;
  if (dateControl.value.length > 0){
//  this.date = new Date(dateControl.value.toDate());
//   
// 
//  this.year = this.date.getFullYear();
//  this.month = this.date.getMonth();

    this.changeSelect();
    this.bindData();
  }
  if (popControl == null){
    popControl = dateControl;
  }
  var xy = this.getAbsPoint(popControl);
  this.panel.style.left = xy.x + "px";
  this.panel.style.top = (xy.y + dateControl.offsetHeight) + "px";
  this.setDisplayStyle("select", "hidden");
  this.panel.style.visibility = "visible";
}

//隐藏日历
Calendar.prototype.hide = function() {
  this.setDisplayStyle("select", "visible");
  this.panel.style.visibility = "hidden";
}

//设置控件显示或隐藏
Calendar.prototype.setDisplayStyle = function(tagName, style) {
  var tags = this.getElementsByTagName(null, tagName)
  for(var i = 0; i < tags.length; i++) {
    if (tagName.toLowerCase() == "select" &&
       (tags[i].name == "calendarYear" ||
      tags[i].name == "calendarMonth")){
      continue;
    }
    tags[i].style.visibility = style;
  }
}

document.write('<div id="calendarPanel" style="position: absolute;visibility: hidden;z-index: 9999;background-color: #FFFFFF;border: 1px solid #CCCCCC;width:135px;font-size:9px;"></div>');

var calendar = new Calendar();


