// Javascript Date Time Picker
// Date created: January 2005
// Scripter: George
// Website: http://www.graffco.ro
// Copyright (c) 2005 Graffco
// FileName: datetime_picker.js
// Version: 1.0
// Contact: george@graffco.ro
// Note: Permission given to use this script in ANY kind of applications if
// header lines are left unchanged.
//Global variables
var winCal;
var dtToday=new Date();
var Cal;
var docCal;
var MonthName=["January", "February", "March", "April", "May", "June","July",
"August", "September", "October", "November", "December"];
var WeekDayName=["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
var exDateTime;//Existing Date and Time
//Configurable parameters
var cnTop="200";//top coordinate of calendar window.
var cnLeft="500";//left coordinate of calendar window
var WindowTitle ="DateTime Picker";//Date Time Picker title.
var WeekChar=2;//number of character for week day. if 2 then Mo,Tu,We. if 3 then Mon,Tue,Wed.
var CellWidth=20;//Width of day cell.
var DateSeparator="-";//Date Separator, you can change it to "/" if you want.
var TimeMode=24;//default TimeMode value. 12 or 24
var ShowLongMonth=true;//Show long month name in Calendar header. example: "January".
var ShowMonthYear=true;//Show Month and Year in Calendar header.
var ShowYearsDropdown=true;//Show the Years in a dropDown list
var yearSelectStartOffset = 90; //Year offset for dropDown List
var weekStartDay = 1;//Week start day (Sunday=0, Monday=1, ..., Saturday=6)
var cssPrefix = ""; //CSS prefix style to override the default CSS style
//end Configurable parameters
//end Global variable
function NewCal(pCtrl,pFormat,pShowTime,pTimeMode)
{
dtToday = new Date();
if ( typeof(serverTimezoneOffset) == 'undefined' || serverTimezoneOffset == null){
// serverTimezoneOffset - the difference between the GMT and local time as an integer representing the number of miliseconds
serverTimezoneOffset = -dtToday.getTimezoneOffset()*60000;
}
dtToday = new Date();
dtToday.setTime(dtToday.getTime()+dtToday.getTimezoneOffset()*60000+serverTimezoneOffset);
Cal=new Calendar(dtToday);
if ((pShowTime!=null) && (pShowTime))
{
Cal.ShowTime=false;
if ((pTimeMode!=null) &&((pTimeMode=='12')||(pTimeMode=='24')))
{
TimeMode=pTimeMode;
}
}
if (pCtrl!=null)
Cal.Ctrl=pCtrl;
if (pFormat!=null)
Cal.Format=pFormat.toUpperCase();
if (cssPrefix!=null){
Cal.setCssPrefix(cssPrefix);
} else {
Cal.setCssPrefix("");
}
exDateTime=document.getElementById(pCtrl).value;
if (exDateTime!="")//Parse Date String
{
var Sp1;//Index of Date Separator 1
var Sp2;//Index of Date Separator 2
var tSp1;//Index of Time Separator 1
var tSp1;//Index of Time Separator 2
var strMonth;
var strDate;
var strYear;
var intMonth;
var YearPattern;
var strHour;
var strMinute;
var strSecond;
//parse month
Sp1=exDateTime.indexOf(DateSeparator,0)
Sp2=exDateTime.indexOf(DateSeparator,(parseInt(Sp1)+1));
if ((Cal.Format.toUpperCase()=="DDMMYYYY") || (Cal.Format.toUpperCase()=="DDMMMYYYY"))
{
strMonth=exDateTime.substring(Sp1+1,Sp2);
strDate=exDateTime.substring(0,Sp1);
}
else if ((Cal.Format.toUpperCase()=="MMDDYYYY") || (Cal.Format.toUpperCase()=="MMMDDYYYY"))
{
strMonth=exDateTime.substring(0,Sp1);
strDate=exDateTime.substring(Sp1+1,Sp2);
}
if (isNaN(strMonth))
intMonth=Cal.GetMonthIndex(strMonth);
else
intMonth=parseInt(strMonth,10)-1;
if ((parseInt(intMonth,10)>=0) && (parseInt(intMonth,10)<12))
Cal.Month=intMonth;
//end parse month
//parse Date
if ((parseInt(strDate,10)<=Cal.GetMonDays()) && (parseInt(strDate,10)>=1))
Cal.Date=strDate;
//end parse Date
//parse year
strYear=exDateTime.substring(Sp2+1,Sp2+5);
YearPattern=/^\d{4}$/;
if (YearPattern.test(strYear))
Cal.Year=parseInt(strYear,10);
//end parse year
//parse time
if (Cal.ShowTime==true)
{
tSp1=exDateTime.indexOf(":",0)
tSp2=exDateTime.indexOf(":",(parseInt(tSp1)+1));
strHour=exDateTime.substring(tSp1,(tSp1)-2);
Cal.SetHour(strHour);
strMinute=exDateTime.substring(tSp1+1,tSp2);
Cal.SetMinute(strMinute);
strSecond=exDateTime.substring(tSp2+1,tSp2+3);
Cal.SetSecond(strSecond);
}
}
winCal=window.open("","DateTimePicker","toolbar=0,status=0,menubar=0,fullscreen=no,width=184,height=236,resizable=0,top="+cnTop+",left="+cnLeft);
winCal.focus();
docCal=winCal.document;
RenderCal();
}
function RenderCal()
{
var vCalHeader;
var vCalData;
var vCalTime;
var i;
var j;
var SelectStr;
var vDayCount=0;
var vFirstDay;
var rows;
docCal.open();
docCal.writeln('\n\n'+WindowTitle+'');
docCal.writeln('');
docCal.writeln(Cal.getStyles()+'\n
");
docCal.close();
}
function GenCell(pValue, pClass)//Generate table cell with value
{
var PCellStr;
var vTimeStr;
pValue = (pValue==null) ? "" : pValue;
pClass = (pClass==null) ? "" : pClass;
if ( pValue != "" && pClass != "" ){
if (Cal.ShowTime){
vTimeStr="winMain.document.getElementById('"+Cal.Ctrl+"').value+=' '+"+"winMain.Cal.getShowHour()"+"+':'+"+"winMain.Cal.Minutes"+"+':'+"+"winMain.Cal.Seconds";
if (TimeMode==12){
vTimeStr+="+' '+winMain.Cal.AMorPM";
}
} else {
vTimeStr="";
}
PCellStr = '
\n';
}
return PCellStr;
}// end function
function Calendar(pDate,pCtrl)
{
//Properties
this.Date=pDate.getDate();//selected date
this.Month=pDate.getMonth();//selected month number
this.Year=pDate.getFullYear();//selected year in 4 digits
this.Hours=pDate.getHours();
if (pDate.getMinutes()<10)
this.Minutes="0"+pDate.getMinutes();
else
this.Minutes=pDate.getMinutes();
if (pDate.getSeconds()<10)
this.Seconds="0"+pDate.getSeconds();
else
this.Seconds=pDate.getSeconds();
this.MyWindow=winCal;
this.Ctrl=pCtrl;
this.Format="ddMMyyyy";
this.Separator=DateSeparator;
this.ShowTime=false;
if (pDate.getHours()<12)
this.AMorPM="AM";
else
this.AMorPM="PM";
}
function GetMonthIndex(shortMonthName)
{
for (i=0;i<12;i++)
{
if (MonthName[i].substring(0,3).toUpperCase()==shortMonthName.toUpperCase())
{ return i;}
}
}
Calendar.prototype.GetMonthIndex=GetMonthIndex;
function IncYear()
{ Cal.Year++;}
Calendar.prototype.IncYear=IncYear;
function SetYear( year )
{ Cal.Year = parseInt(year,10); }
Calendar.prototype.SetYear=SetYear;
function GetYear()
{ return Cal.Year; }
Calendar.prototype.GetYear=GetYear;
function DecYear()
{ Cal.Year--;}
Calendar.prototype.DecYear=DecYear;
function SwitchMth(intMth)
{ Cal.Month=intMth;}
Calendar.prototype.SwitchMth=SwitchMth;
function SetHour(intHour)
{
var MaxHour;
var MinHour;
if (TimeMode==24)
{ MaxHour=23;MinHour=0}
else if (TimeMode==12)
{ MaxHour=12;MinHour=1}
else
alert("TimeMode can only be 12 or 24");
var HourExp=new RegExp("^\\d\\d$");
if (HourExp.test(intHour) && (parseInt(intHour,10)<=MaxHour) && (parseInt(intHour,10)>=MinHour))
{
if ((TimeMode==12) && (Cal.AMorPM=="PM"))
{
if (parseInt(intHour,10)==12)
Cal.Hours=12;
else
Cal.Hours=parseInt(intHour,10)+12;
}
else if ((TimeMode==12) && (Cal.AMorPM=="AM"))
{
if (intHour==12)
intHour-=12;
Cal.Hours=parseInt(intHour,10);
}
else if (TimeMode==24)
Cal.Hours=parseInt(intHour,10);
}
}
Calendar.prototype.SetHour=SetHour;
function SetMinute(intMin)
{
var MinExp=new RegExp("^\\d\\d$");
if (MinExp.test(intMin) && (intMin<60))
Cal.Minutes=intMin;
}
Calendar.prototype.SetMinute=SetMinute;
function SetSecond(intSec)
{
var SecExp=new RegExp("^\\d\\d$");
if (SecExp.test(intSec) && (intSec<60))
Cal.Seconds=intSec;
}
Calendar.prototype.SetSecond=SetSecond;
function SetAmPm(pvalue)
{
this.AMorPM=pvalue;
if (pvalue=="PM")
{
this.Hours=(parseInt(this.Hours,10))+12;
if (this.Hours==24)
this.Hours=12;
}
else if (pvalue=="AM")
this.Hours-=12;
}
Calendar.prototype.SetAmPm=SetAmPm;
function getShowHour()
{
var finalHour;
if (TimeMode==12)
{
if (parseInt(this.Hours,10)==0)
{
this.AMorPM="AM";
finalHour=parseInt(this.Hours,10)+12;
}
else if (parseInt(this.Hours,10)==12)
{
this.AMorPM="PM";
finalHour=12;
}
else if (this.Hours>12)
{
this.AMorPM="PM";
if ((this.Hours-12)<10)
finalHour="0"+((parseInt(this.Hours,10))-12);
else
finalHour=parseInt(this.Hours,10)-12;
}
else
{
this.AMorPM="AM";
if (this.Hours<10)
finalHour="0"+parseInt(this.Hours,10);
else
finalHour=this.Hours;
}
}
else if (TimeMode==24)
{
if (this.Hours<10)
finalHour="0"+parseInt(this.Hours,10);
else
finalHour=this.Hours;
}
return finalHour;
}
Calendar.prototype.getShowHour=getShowHour;
function GetMonthName(IsLong)
{
var Month=MonthName[this.Month];
if (IsLong)
return Month;
else
return Month.substr(0,3);
}
Calendar.prototype.GetMonthName=GetMonthName;
function GetMonDays()//Get number of days in a month
{
var DaysInMonth=[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
if (this.IsLeapYear())
{
DaysInMonth[1]=29;
}
return DaysInMonth[this.Month];
}
Calendar.prototype.GetMonDays=GetMonDays;
function IsLeapYear()
{
if ((this.Year%4)==0)
{
if ((this.Year%100==0) && (this.Year%400)!=0)
{
return false;
}
else
{
return true;
}
}
else
{
return false;
}
}
Calendar.prototype.IsLeapYear=IsLeapYear;
// return 2 digits with leading zeros for the months smaller than 10
function LZ( x ){
return ( 0 < x && x < 10 ? "0" : "") + x;
}
Calendar.prototype.LZ=LZ;
function FormatDate(pDate)
{
if (this.Format.toUpperCase()=="DDMMYYYY")
return (this.LZ(pDate)+DateSeparator+this.LZ(this.Month+1)+DateSeparator+this.Year);
else if (this.Format.toUpperCase()=="DDMMMYYYY")
return (this.LZ(pDate)+DateSeparator+this.GetMonthName(false)+DateSeparator+this.Year);
else if (this.Format.toUpperCase()=="MMDDYYYY")
return (this.LZ(this.Month+1)+DateSeparator+this.LZ(pDate)+DateSeparator+this.Year);
else if (this.Format.toUpperCase()=="MMMDDYYYY")
return (this.GetMonthName(false)+DateSeparator+this.LZ(pDate)+DateSeparator+this.Year);
}
Calendar.prototype.FormatDate=FormatDate;
// set the Css Prefix for Calendar Styles
function setCssPrefix( prefix ){
Cal.cssPrefix = prefix;
}
Calendar.prototype.setCssPrefix=setCssPrefix;
// Get style block needed to display the calendar correctly
function getStyles() {
var result = "";
var p = "";
if (this!=null && typeof(this.cssPrefix)!="undefined" && this.cssPrefix!=null && this.cssPrefix!="") { p=this.cssPrefix; }
result += '\n";
return result;
}// end function
Calendar.prototype.getStyles=getStyles;