calendar.js

1、产品管理：分组管理；分类管理；品牌管理；参数管理；基本信息管理； 2、经销商管理：等级管理；基本信息管理；经销商分条件检索（等级、地区、状态）； 3、报价管理：报价基本信息的管理；报价分条件检

//年份下拉框绑定数据
Calendar.prototype.bindYear = function() {
  var cy = this.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() {
  //var cm = this.form.calendarMonth;
  var cm = this.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() {
  //var cy = this.form.calendarYear;
  //var cm = this.form.calendarMonth;
  var cy = this.calendarYear;
  var cm = this.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.calendarYear.options[e.calendarYear.selectedIndex].value;
  this.month = e.calendarMonth.options[e.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 dateArray = this.getMonthViewArray(this.date.getYear(), this.date.getMonth());
  var tds = this.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;"){
      tds[i].onclick = function () {
        if (calendar.dateControl != null){
          calendar.dateControl.value = new Date(calendar.date.getFullYear(),
                                                calendar.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(calendar.date.getFullYear(),
                   calendar.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"];
        }
        //continue; //若不想当天单元格的背景被下面的覆盖，请取消注释 
      }//end if
      
      //设置已被选择的日期单元格背影色 2006-12-03 寒羽枫添加
      if (calendar.dateControl != null && calendar.dateControl.value == new Date(calendar.date.getFullYear(),
                   calendar.date.getMonth(),
                   dateArray[i]).format(calendar.dateFormatStyle)) {
        tds[i].style.backgroundColor = calendar.colors["sel_bg"];
        tds[i].onmouseover = function () {
          this.style.backgroundColor = calendar.colors["td_bg_over"];
        }
        tds[i].onmouseout = function () {
          this.style.backgroundColor = calendar.colors["sel_bg"];
        }
      }
    }
  }
}

//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 = new Date(y, m, 1).getDay();
  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, "y": y};
}

//显示日历
Calendar.prototype.show = function (dateObj, popControl) {
  if (dateObj == null){
    throw new Error("arguments[0] is necessary")
  }
  this.dateControl = dateObj;

  this.date = (dateObj.value.length > 0) ? new Date(dateObj.value.toDate(this.dateFormatStyle)) : new Date() ;//添加 → 若为空则显示当前月份
  this.year = this.date.getFullYear();
  this.month = this.date.getMonth();
  this.changeSelect();
  this.bindData();
  //}
  if (popControl == null){
    popControl = dateObj;
  }
  var xy = this.getAbsPoint(popControl);
  this.panel.style.left = xy.x -25 + "px";
  this.panel.style.top = (xy.y + dateObj.offsetHeight) + "px";
  
  this.panel.style.display = "";
  this.container.style.display = "";
  
  dateObj.onblur = function(){calendar.onblur();}
  this.container.onmouseover = function(){isFocus=true;}
  this.container.onmouseout = function(){isFocus=false;}
}

//隐藏日历
Calendar.prototype.hide = function() {
  this.panel.style.display = "none";
  this.container.style.display = "none";
  isFocus=false;
}

//焦点转移时隐藏日历 
Calendar.prototype.onblur = function() {
    if(!isFocus){this.hide();}
}

document.write('<div id="ContainerPanel" style="display:none"><div id="calendarPanel" style="position: absolute;display: none;z-index: 9999;');
document.write('background-color: #FFFFFF;border: 1px solid #CCCCCC;width:175px;font-size:12px;"></div>');
if(document.all)
{
document.write('<iframe style="position:absolute;z-index:2000;width:expression(this.previousSibling.offsetWidth);');
document.write('height:expression(this.previousSibling.offsetHeight);');
document.write('left:expression(this.previousSibling.offsetLeft);top:expression(this.previousSibling.offsetTop);');
document.write('display:expression(this.previousSibling.style.display);" scrolling="no" frameborder="no"></iframe>');
}
document.write('</div>');
//-->