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源码学习:一个简单的日历控件

时间:2007-12-27 来源:不详作者:林子

if((document.body.offsetHeight-(offsetPos.y calendar.source.offsetHeight-document.body.scrollTop))<calendar.calendarPad.style.pixelHeight){
var calTop=offsetPos.y-calendar.calendarPad.style.pixelHeight;
}
else{
var calTop=offsetPos.y calendar.source.offsetHeight;
}
if((document.body.offsetWidth-(offsetPos.x calendar.source.offsetWidth-document.body.scrollLeft))>calendar.calendarPad.style.pixelWidth){
var calLeft=offsetPos.x;
}
else{
var calLeft=calendar.source.offsetLeft calendar.source.offsetWidth;
}
file://alert(offsetPos.x);
calendar.calendarPad.style.pixelLeft=calLeft;
calendar.calendarPad.style.pixelTop=calTop;
}
/****************** 计算对像的位置 *************************/
this.getAbsolutePos = function(el) {
var r = { x: el.offsetLeft, y: el.offsetTop };
if (el.offsetParent) {
var tmp = calendar.getAbsolutePos(el.offsetParent);
r.x = tmp.x;
r.y = tmp.y;
}
return r;

本文来自织梦

};

file://************* 插入日期单元格 **************/
this.insertBodyCell=function(theRow,j,day,targetObject){
var theCell=theRow.insertCell(j);
if(j==0) var theBgColor="#FF9999";
else var theBgColor="#FFFFFF";
if(day==calendar.currentDate[2]) var theBgColor="#CCCCCC";
if(day==calendar.today[2]) var theBgColor="#99FFCC";
theCell.bgColor=theBgColor;
theCell.innerText=day;
theCell.align="center";
theCell.width=35;
theCell.style.cssText="border:1 solid #CCCCCC;cursor:hand;";
theCell.onmouseover=function(){
theCell.bgColor="#FFFFCC";
theCell.style.cssText="border:1 outset;cursor:hand;";
}
theCell.onmouseout=function(){
theCell.bgColor=theBgColor;
theCell.style.cssText="border:1 solid #CCCCCC;cursor:hand;";
}
theCell.onmousedown=function(){
theCell.bgColor="#FFFFCC";
theCell.style.cssText="border:1 inset;cursor:hand;";
}
theCell.onclick=function(){
if(calendar.currentDate[1].length<2) calendar.currentDate[1]="0" calendar.currentDate[1];

织梦内容管理系统

if(day.toString().length<2) day="0" day;
calendar.sltDate=calendar.currentDate[0] "-" calendar.currentDate[1] "-" day;
calendar.target.value=calendar.sltDate;
calendar.hide();
}
}
/************** 取得月份的第一天为星期几 *********************/
this.getFirstDay=function(theYear, theMonth){
var firstDate = new Date(theYear,theMonth-1,1);
return firstDate.getDay();
}
/************** 取得月份共有几天 *********************/ 织梦内容管理系统

this.getMonthLen=function(theYear, theMonth) {
theMonth--;
var oneDay = 1000 * 60 * 60 * 24;
var thisMonth = new Date(theYear, theMonth, 1);
var nextMonth = new Date(theYear, theMonth 1, 1);
var len = Math.ceil((nextMonth.getTime() - thisMonth.getTime())/oneDay);
return len;
}
/************** 隐藏日历 *********************/
this.hide=function(){
file://calendar.clearEventKey();