HTML Date Picker
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>htmlDatePicker Test Page (CFML)</title>
<script language="JavaScript" type="text/javascript">
/**************************************************************************************
htmlDatePicker v0.1
Copyright (c) 2005, Jason Powell
All Rights Reserved
Redistribution and use in source and binary forms, with or without modification, are
permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of
conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list
of conditions and the following disclaimer in the documentation and/or other materials
provided with the distribution.
* Neither the name of the product nor the names of its contributors may be used to
endorse or promote products derived from this software without specific prior
written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
OF THE POSSIBILITY OF SUCH DAMAGE.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-==-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
***************************************************************************************/
// User Changeable Vars
var HighlightToday = true; // use true or false to have the current day highlighted
var DisablePast = true; // use true or false to allow past dates to be selectable
// The month names in your native language can be substituted below
var MonthNames = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
// Global Vars
var now = new Date();
var dest = null;
var ny = now.getFullYear(); // Today's Date
var nm = now.getMonth();
var nd = now.getDate();
var sy = 0; // currently Selected date
var sm = 0;
var sd = 0;
var y = now.getFullYear(); // Working Date
var m = now.getMonth();
var d = now.getDate();
var l = 0;
var t = 0;
var MonthLengths = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
/*
Function: GetDate(control)
Arguments:
control = ID of destination control
*/
function GetDate() {
EnsureCalendarExists();
DestroyCalendar();
// One arguments is required, the rest are optional
// First arguments must be the ID of the destination control
if(arguments[0] == null || arguments[0] == "") {
// arguments not defined, so display error and quit
alert("ERROR: Destination control required in funciton call GetDate()");
return;
} else {
// copy argument
dest = arguments[0];
}
y = now.getFullYear();
m = now.getMonth();
d = now.getDate();
sm = 0;
sd = 0;
sy = 0;
var cdval = dest.value;
if(/\d{1,2}.\d{1,2}.\d{4}/.test(dest.value)) {
// element contains a date, so set the shown date
var vParts = cdval.split("/"); // assume mm/dd/yyyy
sm = vParts[0] - 1;
sd = vParts[1];
sy = vParts[2];
m=sm;
d=sd;
y=sy;
}
// l = dest.offsetLeft; // + dest.offsetWidth;
// t = dest.offsetTop - 125; // Calendar is displayed 125 pixels above the destination element
// if(t<0) { t=0; } // or (somewhat) over top of it. ;)
/* Calendar is displayed 125 pixels above the destination element
or (somewhat) over top of it. ;)*/
l = dest.offsetLeft + dest.offsetParent.offsetLeft;
t = dest.offsetTop - 125;
if(t < 0) t = 0; // >
DrawCalendar();
}
/*
function DestoryCalendar()
Purpose: Destory any already drawn calendar so a new one can be drawn
*/
function DestroyCalendar() {
var cal = document.getElementById("dpCalendar");
if(cal != null) {
cal.innerHTML = null;
cal.style.display = "none";
}
return
}
function DrawCalendar() {
DestroyCalendar();
cal = document.getElementById("dpCalendar");
cal.style.left = l + "px";
cal.style.top = t + "px";
var sCal = "<table><tr><td class=\"cellButton\"><a href=\"javascript: PrevMonth();\" title=\"Previous Month\"><<</a></td>"+
"<td class=\"cellMonth\" width=\"80%\" colspan=\"5\">"+MonthNames[m]+" "+y+"</td>"+
"<td class=\"cellButton\"><a href=\"javascript: NextMonth();\" title=\"Next Month\">>></a></td></tr>"+
"<tr><td>S</td><td>M</td><td>T</td><td>W</td><td>T</td><td>F</td><td>S</td></tr>";
var wDay = 1;
var wDate = new Date(y,m,wDay);
if(isLeapYear(wDate)) {
MonthLengths[1] = 29;
} else {
MonthLengths[1] = 28;
}
var dayclass = "";
var isToday = false;
for(var r=1; r<7; r++) {
sCal = sCal + "<tr>";
for(var c=0; c<7; c++) {
var wDate = new Date(y,m,wDay);
if(wDate.getDay() == c && wDay<=MonthLengths[m]) {
if(wDate.getDate()==sd && wDate.getMonth()==sm && wDate.getFullYear()==sy) {
dayclass = "cellSelected";
isToday = true; // only matters if the selected day IS today, otherwise ignored.
} else if(wDate.getDate()==nd && wDate.getMonth()==nm && wDate.getFullYear()==ny && HighlightToday) {
dayclass = "cellToday";
isToday = true;
} else {
dayclass = "cellDay";
isToday = false;
}
if(((now > wDate) && !DisablePast) || (now <= wDate) || isToday) { // >
// user wants past dates selectable
sCal = sCal + "<td class=\""+dayclass+"\"><a href=\"javascript: ReturnDay("+wDay+");\">"+wDay+"</a></td>";
} else {
// user wants past dates to be read only
sCal = sCal + "<td class=\""+dayclass+"\">"+wDay+"</td>";
}
wDay++;
} else {
sCal = sCal + "<td class=\"unused\"></td>";
}
}
sCal = sCal + "</tr>";
}
sCal = sCal + "<tr><td colspan=\"4\" class=\"unused\"></td><td colspan=\"3\" class=\"cellCancel\"><a href=\"javascript: DestroyCalendar();\">Cancel</a></td></tr></table>"
cal.innerHTML = sCal; // works in FireFox, opera
cal.style.display = "inline";
}
function PrevMonth() {
m--;
if(m==-1) {
m = 11;
y--;
}
DrawCalendar();
}
function NextMonth() {
m++;
if(m==12) {
m = 0;
y++;
}
DrawCalendar();
}
function ReturnDay(day) {
cDest = document.getElementById(dest);
dest.value = (m+1)+"/"+day+"/"+y;
DestroyCalendar();
}
function EnsureCalendarExists() {
if(document.getElementById("dpCalendar") == null) {
var eCalendar = document.createElement("div");
eCalendar.setAttribute("id", "dpCalendar");
document.body.appendChild(eCalendar);
}
}
function isLeapYear(dTest) {
var y = dTest.getYear();
var bReturn = false;
if(y % 4 == 0) {
if(y % 100 != 0) {
bReturn = true;
} else {
if (y % 400 == 0) {
bReturn = true;
}
}
}
return bReturn;
}
</script>
<style type="text/css">
/**************************************************************************************
htmlDatePicker CSS file
Feel Free to change the fonts, sizes, borders, and colours of any of these elements
***************************************************************************************/
/* The containing DIV element for the Calendar */
#dpCalendar {
display: none; /* Important, do not change */
position: absolute; /* Important, do not change */
background-color: #eeeeee;
color: black;
font-size: xx-small;
font-family: Verdana, Geneva, Arial, Helvetica, sans-serif;
width: 150px;
}
/* The table of the Calendar */
#dpCalendar table {
border: 1px solid black;
background-color: #eeeeee;
color: black;
font-size: xx-small;
font-family: Verdana, Geneva, Arial, Helvetica, sans-serif;
width: 100%;
}
/* The Next/Previous buttons */
#dpCalendar .cellButton {
background-color: #ddddff;
color: black;
}
/* The Month/Year title cell */
#dpCalendar .cellMonth {
background-color: #ddddff;
color: black;
text-align: center;
}
/* Any regular day of the month cell */
#dpCalendar .cellDay {
background-color: #ddddff;
color: black;
text-align: center;
}
/* The day of the month cell that is selected */
#dpCalendar .cellSelected {
border: 1px solid red;
background-color: #ffdddd;
color: black;
text-align: center;
}
/* The day of the month cell that is Today */
#dpCalendar .cellToday {
background-color: #ddffdd;
color: black;
text-align: center;
}
/* Any cell in a month that is unused (ie: Not a Day in that month) */
#dpCalendar .unused {
background-color: transparent;
color: black;
}
/* The cancel button */
#dpCalendar .cellCancel {
background-color: #cccccc;
color: black;
border: 1px solid black;
text-align: center;
}
/* The clickable text inside the calendar */
#dpCalendar a {
text-decoration: none;
background-color: transparent;
color: blue;
}
</style>
</head>
<body>
<cfif IsDefined("form.SelectedDate")>
<p>You selected the date: <cfoutput>#form.SelectedDate# (#DateFormat(form.SelectedDate,"mmmm dd, yyyy")#)</cfoutput></p>
</cfif>
<form action="datepicker.cfm" method="post" name="frmMain" id="frmMain">
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
Please select a date:
<input type="text" value="Click me!" name="SelectedDate" id="SelectedDate" readonly onClick="GetDate(this);">
<br>
<input type="submit">
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
</form>
</body>
</html>
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