A simple jQuery date picker
download latest version of jquery.js file from jquery site.
and copy listed below code:
index.html
=========================
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>A Simple jQuery Datepicker</title>
<style type="text/css">
@import "css/jquery.datepick.css";
</style>
<script type="text/javascript" src="js/jquery-1.6.3.min.js"></script>
<script type="text/javascript" src="js/jquery.datepick.js"></script>
<script type="text/javascript">
$(function() {
$('#myDate').datepick({dateFormat: 'mm-dd-yyyy'});
});
</script>
</head>
<body>
<p>Select date:<input type="text" id="myDate"></p>
</body>
</html>
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
jquery.datepick.css
============================
.datepick {
background-color: #fff;
color: #000;
border: 1px solid #444;
border-radius: 0.25em;
-moz-border-radius: 0.25em;
-webkit-border-radius: 0.25em;
font-family: Arial,Helvetica,Sans-serif;
font-size: 90%;
}
.datepick-rtl {
direction: rtl;
}
.datepick-popup {
z-index: 1000;
}
.datepick-disable {
position: absolute;
z-index: 100;
background-color: white;
opacity: 0.5;
filter: alpha(opacity=50);
}
.datepick a {
color: #fff;
text-decoration: none;
}
.datepick a.datepick-disabled {
color: #888;
cursor: auto;
}
.datepick button {
margin: 0.25em;
padding: 0.125em 0em;
background-color: #fcc;
border: none;
border-radius: 0.25em;
-moz-border-radius: 0.25em;
-webkit-border-radius: 0.25em;
font-weight: bold;
}
.datepick-nav, .datepick-ctrl {
float: left;
width: 100%;
background-color: #000;
color: #fff;
font-size: 90%;
font-weight: bold;
}
.datepick-ctrl {
background-color: #600;
}
.datepick-cmd {
width: 30%;
}
.datepick-cmd:hover {
background-color: #777;
}
.datepick-ctrl .datepick-cmd:hover {
background-color: #f08080;
}
.datepick-cmd-prevJump, .datepick-cmd-nextJump {
width: 8%;
}
a.datepick-cmd {
height: 1.5em;
}
button.datepick-cmd {
text-align: center;
}
.datepick-cmd-prev, .datepick-cmd-prevJump, .datepick-cmd-clear {
float: left;
padding-left: 2%;
}
.datepick-cmd-current, .datepick-cmd-today {
float: left;
width: 35%;
text-align: center;
}
.datepick-cmd-next, .datepick-cmd-nextJump, .datepick-cmd-close {
float: right;
padding-right: 2%;
text-align: right;
}
.datepick-rtl .datepick-cmd-prev, .datepick-rtl .datepick-cmd-prevJump,
.datepick-rtl .datepick-cmd-clear {
float: right;
padding-left: 0%;
padding-right: 2%;
text-align: right;
}
.datepick-rtl .datepick-cmd-current, .datepick-rtl .datepick-cmd-today {
float: right;
}
.datepick-rtl .datepick-cmd-next, .datepick-rtl .datepick-cmd-nextJump,
.datepick-rtl .datepick-cmd-close {
float: left;
padding-left: 2%;
padding-right: 0%;
text-align: left;
}
.datepick-month-nav {
float: left;
background-color: #777;
text-align: center;
}
.datepick-month-nav div {
float: left;
width: 12.5%;
margin: 1%;
padding: 1%;
}
.datepick-month-nav span {
color: #888;
}
.datepick-month-row {
clear: left;
}
.datepick-month {
float: left;
width: 15em;
border: 1px solid #444;
text-align: center;
}
.datepick-month-header, .datepick-month-header select, .datepick-month-header input {
height: 1.5em;
background-color: #444;
color: #fff;
font-weight: bold;
}
.datepick-month-header select, .datepick-month-header input {
height: 1.4em;
border: none;
}
.datepick-month-header input {
position: absolute;
display: none;
}
.datepick-month table {
width: 100%;
border-collapse: collapse;
}
.datepick-month thead {
border-bottom: 1px solid #aaa;
}
.datepick-month th, .datepick-month td {
margin: 0em;
padding: 0em;
font-weight: normal;
text-align: center;
}
.datepick-month th {
border: 1px solid #777;
}
.datepick-month th, .datepick-month th a {
background-color: #777;
color: #fff;
}
.datepick-month td {
background-color: #eee;
border: 1px solid #aaa;
}
.datepick-month td.datepick-week {
border: 1px solid #777;
}
.datepick-month td.datepick-week * {
background-color: #777;
color: #fff;
border: none;
}
.datepick-month a {
display: block;
width: 100%;
padding: 0.125em 0em;
background-color: #eee;
color: #000;
text-decoration: none;
}
.datepick-month span {
display: block;
width: 100%;
padding: 0.125em 0em;
}
.datepick-month td span {
color: #888;
}
.datepick-month td .datepick-other-month {
background-color: #fff;
}
.datepick-month td .datepick-weekend {
background-color: #ddd;
}
.datepick-month td .datepick-today {
background-color: #f0c0c0;
}
.datepick-month td .datepick-highlight {
background-color: #f08080;
}
.datepick-month td .datepick-selected {
background-color: #777;
color: #fff;
}
.datepick-month th.datepick-week {
background-color: #777;
color: #fff;
}
.datepick-status {
clear: both;
background-color: #ddd;
text-align: center;
}
.datepick-clear-fix {
clear: both;
}
.datepick-cover {
display: none;
display/**/: block;
position: absolute;
z-index: -1;
filter: mask();
top: -1px;
left: -1px;
width: 100px;
height: 100px;
}
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
jquery.datepick.js
============================
// for more see http://keith-wood.name/datepick.html
(function($) { // Hide scope, no $ conflict
/* Datepicker manager. */
function Datepicker() {
this._defaults = {
pickerClass: '', // CSS class to add to this instance of the datepicker
showOnFocus: true, // True for popup on focus, false for not
showTrigger: null, // Element to be cloned for a trigger, null for none
showAnim: 'show', // Name of jQuery animation for popup, '' for no animation
showOptions: {}, // Options for enhanced animations
showSpeed: 'normal', // Duration of display/closure
popupContainer: null, // The element to which a popup calendar is added, null for body
alignment: 'bottom', // Alignment of popup - with nominated corner of input:
// 'top' or 'bottom' aligns depending on language direction,
// 'topLeft', 'topRight', 'bottomLeft', 'bottomRight'
fixedWeeks: false, // True to always show 6 weeks, false to only show as many as are needed
firstDay: 0, // First day of the week, 0 = Sunday, 1 = Monday, ...
calculateWeek: this.iso8601Week, // Calculate week of the year from a date, null for ISO8601
monthsToShow: 1, // How many months to show, cols or [rows, cols]
monthsOffset: 0, // How many months to offset the primary month by;
// may be a function that takes the date and returns the offset
monthsToStep: 1, // How many months to move when prev/next clicked
monthsToJump: 12, // How many months to move when large prev/next clicked
useMouseWheel: true, // True to use mousewheel if available, false to never use it
changeMonth: true, // True to change month/year via drop-down, false for navigation only
yearRange: 'c-10:c+10', // Range of years to show in drop-down: 'any' for direct text entry
// or 'start:end', where start/end are '+-nn' for relative to today
// or 'c+-nn' for relative to the currently selected date
// or 'nnnn' for an absolute year
shortYearCutoff: '+10', // Cutoff for two-digit year in the current century
showOtherMonths: false, // True to show dates from other months, false to not show them
selectOtherMonths: false, // True to allow selection of dates from other months too
defaultDate: null, // Date to show if no other selected
selectDefaultDate: false, // True to pre-select the default date if no other is chosen
minDate: null, // The minimum selectable date
maxDate: null, // The maximum selectable date
dateFormat: 'mm/dd/yyyy', // Format for dates
autoSize: false, // True to size the input field according to the date format
rangeSelect: false, // Allows for selecting a date range on one date picker
rangeSeparator: ' - ', // Text between two dates in a range
multiSelect: 0, // Maximum number of selectable dates, zero for single select
multiSeparator: ',', // Text between multiple dates
onDate: null, // Callback as a date is added to the datepicker
onShow: null, // Callback just before a datepicker is shown
onChangeMonthYear: null, // Callback when a new month/year is selected
onSelect: null, // Callback when a date is selected
onClose: null, // Callback when a datepicker is closed
altField: null, // Alternate field to update in synch with the datepicker
altFormat: null, // Date format for alternate field, defaults to dateFormat
constrainInput: true, // True to constrain typed input to dateFormat allowed characters
commandsAsDateFormat: false, // True to apply formatDate to the command texts
commands: this.commands // Command actions that may be added to a layout by name
};
this.regional = {
'': { // US/English
monthNames: ['January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December'],
monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
dayNamesMin: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
dateFormat: 'mm/dd/yyyy', // See options on formatDate
firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
renderer: this.defaultRenderer, // The rendering templates
prevText: '<Prev', // Text for the previous month command
prevStatus: 'Show the previous month', // Status text for the previous month command
prevJumpText: '<<', // Text for the previous year command
prevJumpStatus: 'Show the previous year', // Status text for the previous year command
nextText: 'Next>', // Text for the next month command
nextStatus: 'Show the next month', // Status text for the next month command
nextJumpText: '>>', // Text for the next year command
nextJumpStatus: 'Show the next year', // Status text for the next year command
currentText: 'Current', // Text for the current month command
currentStatus: 'Show the current month', // Status text for the current month command
todayText: 'Today', // Text for the today's month command
todayStatus: 'Show today\'s month', // Status text for the today's month command
clearText: 'Clear', // Text for the clear command
clearStatus: 'Clear all the dates', // Status text for the clear command
closeText: 'Close', // Text for the close command
closeStatus: 'Close the datepicker', // Status text for the close command
yearStatus: 'Change the year', // Status text for year selection
monthStatus: 'Change the month', // Status text for month selection
weekText: 'Wk', // Text for week of the year column header
weekStatus: 'Week of the year', // Status text for week of the year column header
dayStatus: 'Select DD, M d, yyyy', // Status text for selectable days
defaultStatus: 'Select a date', // Status text shown by default
isRTL: false // True if language is right-to-left
}};
$.extend(this._defaults, this.regional['']);
this._disabled = [];
}
$.extend(Datepicker.prototype, {
dataName: 'datepick',
/* Class name added to elements to indicate already configured with datepicker. */
markerClass: 'hasDatepick',
_popupClass: 'datepick-popup', // Marker for popup division
_triggerClass: 'datepick-trigger', // Marker for trigger element
_disableClass: 'datepick-disable', // Marker for disabled element
_coverClass: 'datepick-cover', // Marker for iframe backing element
_monthYearClass: 'datepick-month-year', // Marker for month/year inputs
_curMonthClass: 'datepick-month-', // Marker for current month/year
_anyYearClass: 'datepick-any-year', // Marker for year direct input
_curDoWClass: 'datepick-dow-', // Marker for day of week
commands: { // Command actions that may be added to a layout by name
// name: { // The command name, use '{button:name}' or '{link:name}' in layouts
// text: '', // The field in the regional settings for the displayed text
// status: '', // The field in the regional settings for the status text
// // The keystroke to trigger the action
// keystroke: {keyCode: nn, ctrlKey: boolean, altKey: boolean, shiftKey: boolean},
// enabled: fn, // The function that indicates the command is enabled
// date: fn, // The function to get the date associated with this action
// action: fn} // The function that implements the action
prev: {text: 'prevText', status: 'prevStatus', // Previous month
keystroke: {keyCode: 33}, // Page up
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.day(
$.datepick._applyMonthsOffset($.datepick.add($.datepick.newDate(inst.drawDate),
1 - inst.get('monthsToStep'), 'm'), inst), 1), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), -inst.get('monthsToStep'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, -inst.get('monthsToStep')); }
},
prevJump: {text: 'prevJumpText', status: 'prevJumpStatus', // Previous year
keystroke: {keyCode: 33, ctrlKey: true}, // Ctrl + Page up
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.day(
$.datepick._applyMonthsOffset($.datepick.add($.datepick.newDate(inst.drawDate),
1 - inst.get('monthsToJump'), 'm'), inst), 1), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), -inst.get('monthsToJump'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, -inst.get('monthsToJump')); }
},
next: {text: 'nextText', status: 'nextStatus', // Next month
keystroke: {keyCode: 34}, // Page down
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToStep'), 'm'), inst), 1).
getTime() <= maxDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToStep'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, inst.get('monthsToStep')); }
},
nextJump: {text: 'nextJumpText', status: 'nextJumpStatus', // Next year
keystroke: {keyCode: 34, ctrlKey: true}, // Ctrl + Page down
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToJump'), 'm'), inst), 1).
getTime() <= maxDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToJump'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, inst.get('monthsToJump')); }
},
current: {text: 'currentText', status: 'currentStatus', // Current month
keystroke: {keyCode: 36, ctrlKey: true}, // Ctrl + Home
enabled: function(inst) {
var minDate = inst.curMinDate();
var maxDate = inst.get('maxDate');
var curDate = inst.selectedDates[0] || $.datepick.today();
return (!minDate || curDate.getTime() >= minDate.getTime()) &&
(!maxDate || curDate.getTime() <= maxDate.getTime()); },
date: function(inst) {
return inst.selectedDates[0] || $.datepick.today(); },
action: function(inst) {
var curDate = inst.selectedDates[0] || $.datepick.today();
$.datepick.showMonth(this, curDate.getFullYear(), curDate.getMonth() + 1); }
},
today: {text: 'todayText', status: 'todayStatus', // Today's month
keystroke: {keyCode: 36, ctrlKey: true}, // Ctrl + Home
enabled: function(inst) {
var minDate = inst.curMinDate();
var maxDate = inst.get('maxDate');
return (!minDate || $.datepick.today().getTime() >= minDate.getTime()) &&
(!maxDate || $.datepick.today().getTime() <= maxDate.getTime()); },
date: function(inst) { return $.datepick.today(); },
action: function(inst) { $.datepick.showMonth(this); }
},
clear: {text: 'clearText', status: 'clearStatus', // Clear the datepicker
keystroke: {keyCode: 35, ctrlKey: true}, // Ctrl + End
enabled: function(inst) { return true; },
date: function(inst) { return null; },
action: function(inst) { $.datepick.clear(this); }
},
close: {text: 'closeText', status: 'closeStatus', // Close the datepicker
keystroke: {keyCode: 27}, // Escape
enabled: function(inst) { return true; },
date: function(inst) { return null; },
action: function(inst) { $.datepick.hide(this); }
},
prevWeek: {text: 'prevWeekText', status: 'prevWeekStatus', // Previous week
keystroke: {keyCode: 38, ctrlKey: true}, // Ctrl + Up
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.newDate(inst.drawDate), -7, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), -7, 'd'); },
action: function(inst) { $.datepick.changeDay(this, -7); }
},
prevDay: {text: 'prevDayText', status: 'prevDayStatus', // Previous day
keystroke: {keyCode: 37, ctrlKey: true}, // Ctrl + Left
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.newDate(inst.drawDate), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), -1, 'd'); },
action: function(inst) { $.datepick.changeDay(this, -1); }
},
nextDay: {text: 'nextDayText', status: 'nextDayStatus', // Next day
keystroke: {keyCode: 39, ctrlKey: true}, // Ctrl + Right
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.add($.datepick.newDate(inst.drawDate), 1, 'd').
getTime() <= maxDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), 1, 'd'); },
action: function(inst) { $.datepick.changeDay(this, 1); }
},
nextWeek: {text: 'nextWeekText', status: 'nextWeekStatus', // Next week
keystroke: {keyCode: 40, ctrlKey: true}, // Ctrl + Down
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.add($.datepick.newDate(inst.drawDate), 7, 'd').
getTime() <= maxDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), 7, 'd'); },
action: function(inst) { $.datepick.changeDay(this, 7); }
}
},
/* Default template for generating a datepicker. */
defaultRenderer: {
// Anywhere: '{l10n:name}' to insert localised value for name,
// '{link:name}' to insert a link trigger for command name,
// '{button:name}' to insert a button trigger for command name,
// '{popup:start}...{popup:end}' to mark a section for inclusion in a popup datepicker only,
// '{inline:start}...{inline:end}' to mark a section for inclusion in an inline datepicker only
// Overall structure: '{months}' to insert calendar months
picker: '<div class="datepick">' +
'<div class="datepick-nav">{link:prev}{link:today}{link:next}</div>{months}' +
'{popup:start}<div class="datepick-ctrl">{link:clear}{link:close}</div>{popup:end}' +
'<div class="datepick-clear-fix"></div></div>',
// One row of months: '{months}' to insert calendar months
monthRow: '<div class="datepick-month-row">{months}</div>',
// A single month: '{monthHeader:dateFormat}' to insert the month header -
// dateFormat is optional and defaults to 'MM yyyy',
// '{weekHeader}' to insert a week header, '{weeks}' to insert the month's weeks
month: '<div class="datepick-month"><div class="datepick-month-header">{monthHeader}</div>' +
'<table><thead>{weekHeader}</thead><tbody>{weeks}</tbody></table></div>',
// A week header: '{days}' to insert individual day names
weekHeader: '<tr>{days}</tr>',
// Individual day header: '{day}' to insert day name
dayHeader: '<th>{day}</th>',
// One week of the month: '{days}' to insert the week's days, '{weekOfYear}' to insert week of year
week: '<tr>{days}</tr>',
// An individual day: '{day}' to insert day value
day: '<td>{day}</td>',
// jQuery selector, relative to picker, for a single month
monthSelector: '.datepick-month',
// jQuery selector, relative to picker, for individual days
daySelector: 'td',
// Class for right-to-left (RTL) languages
rtlClass: 'datepick-rtl',
// Class for multi-month datepickers
multiClass: 'datepick-multi',
// Class for selectable dates
defaultClass: '',
// Class for currently selected dates
selectedClass: 'datepick-selected',
// Class for highlighted dates
highlightedClass: 'datepick-highlight',
// Class for today
todayClass: 'datepick-today',
// Class for days from other months
otherMonthClass: 'datepick-other-month',
// Class for days on weekends
weekendClass: 'datepick-weekend',
// Class prefix for commands
commandClass: 'datepick-cmd',
// Extra class(es) for commands that are buttons
commandButtonClass: '',
// Extra class(es) for commands that are links
commandLinkClass: '',
// Class for disabled commands
disabledClass: 'datepick-disabled'
},
/* Override the default settings for all datepicker instances.
@param settings (object) the new settings to use as defaults
@return (Datepicker) this object */
setDefaults: function(settings) {
$.extend(this._defaults, settings || {});
return this;
},
_ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
_msPerDay: 24 * 60 * 60 * 1000,
ATOM: 'yyyy-mm-dd', // RFC 3339/ISO 8601
COOKIE: 'D, dd M yyyy',
FULL: 'DD, MM d, yyyy',
ISO_8601: 'yyyy-mm-dd',
JULIAN: 'J',
RFC_822: 'D, d M yy',
RFC_850: 'DD, dd-M-yy',
RFC_1036: 'D, d M yy',
RFC_1123: 'D, d M yyyy',
RFC_2822: 'D, d M yyyy',
RSS: 'D, d M yy', // RFC 822
TICKS: '!',
TIMESTAMP: '@',
W3C: 'yyyy-mm-dd', // ISO 8601
/* Format a date object into a string value.
The format can be combinations of the following:
d - day of month (no leading zero)
dd - day of month (two digit)
o - day of year (no leading zeros)
oo - day of year (three digit)
D - day name short
DD - day name long
w - week of year (no leading zero)
ww - week of year (two digit)
m - month of year (no leading zero)
mm - month of year (two digit)
M - month name short
MM - month name long
yy - year (two digit)
yyyy - year (four digit)
@ - Unix timestamp (s since 01/01/1970)
! - Windows ticks (100ns since 01/01/0001)
'...' - literal text
'' - single quote
@param format (string) the desired format of the date (optional, default datepicker format)
@param date (Date) the date value to format
@param settings (object) attributes include:
dayNamesShort (string[]) abbreviated names of the days from Sunday (optional)
dayNames (string[]) names of the days from Sunday (optional)
monthNamesShort (string[]) abbreviated names of the months (optional)
monthNames (string[]) names of the months (optional)
calculateWeek (function) function that determines week of the year (optional)
@return (string) the date in the above format */
formatDate: function(format, date, settings) {
if (typeof format != 'string') {
settings = date;
date = format;
format = '';
}
if (!date) {
return '';
}
format = format || this._defaults.dateFormat;
settings = settings || {};
var dayNamesShort = settings.dayNamesShort || this._defaults.dayNamesShort;
var dayNames = settings.dayNames || this._defaults.dayNames;
var monthNamesShort = settings.monthNamesShort || this._defaults.monthNamesShort;
var monthNames = settings.monthNames || this._defaults.monthNames;
var calculateWeek = settings.calculateWeek || this._defaults.calculateWeek;
// Check whether a format character is doubled
var doubled = function(match, step) {
var matches = 1;
while (iFormat + matches < format.length && format.charAt(iFormat + matches) == match) {
matches++;
}
iFormat += matches - 1;
return Math.floor(matches / (step || 1)) > 1;
};
// Format a number, with leading zeroes if necessary
var formatNumber = function(match, value, len, step) {
var num = '' + value;
if (doubled(match, step)) {
while (num.length < len) {
num = '0' + num;
}
}
return num;
};
// Format a name, short or long as requested
var formatName = function(match, value, shortNames, longNames) {
return (doubled(match) ? longNames[value] : shortNames[value]);
};
var output = '';
var literal = false;
for (var iFormat = 0; iFormat < format.length; iFormat++) {
if (literal) {
if (format.charAt(iFormat) == "'" && !doubled("'")) {
literal = false;
}
else {
output += format.charAt(iFormat);
}
}
else {
switch (format.charAt(iFormat)) {
case 'd': output += formatNumber('d', date.getDate(), 2); break;
case 'D': output += formatName('D', date.getDay(),
dayNamesShort, dayNames); break;
case 'o': output += formatNumber('o', this.dayOfYear(date), 3); break;
case 'w': output += formatNumber('w', calculateWeek(date), 2); break;
case 'm': output += formatNumber('m', date.getMonth() + 1, 2); break;
case 'M': output += formatName('M', date.getMonth(),
monthNamesShort, monthNames); break;
case 'y':
output += (doubled('y', 2) ? date.getFullYear() :
(date.getFullYear() % 100 < 10 ? '0' : '') + date.getFullYear() % 100);
break;
case '@': output += Math.floor(date.getTime() / 1000); break;
case '!': output += date.getTime() * 10000 + this._ticksTo1970; break;
case "'":
if (doubled("'")) {
output += "'";
}
else {
literal = true;
}
break;
default:
output += format.charAt(iFormat);
}
}
}
return output;
},
/* Parse a string value into a date object.
See formatDate for the possible formats, plus:
* - ignore rest of string
@param format (string) the expected format of the date ('' for default datepicker format)
@param value (string) the date in the above format
@param settings (object) attributes include:
shortYearCutoff (number) the cutoff year for determining the century (optional)
dayNamesShort (string[]) abbreviated names of the days from Sunday (optional)
dayNames (string[]) names of the days from Sunday (optional)
monthNamesShort (string[]) abbreviated names of the months (optional)
monthNames (string[]) names of the months (optional)
@return (Date) the extracted date value or null if value is blank
@throws errors if the format and/or value are missing,
if the value doesn't match the format,
or if the date is invalid */
parseDate: function(format, value, settings) {
if (value == null) {
throw 'Invalid arguments';
}
value = (typeof value == 'object' ? value.toString() : value + '');
if (value == '') {
return null;
}
format = format || this._defaults.dateFormat;
settings = settings || {};
var shortYearCutoff = settings.shortYearCutoff || this._defaults.shortYearCutoff;
shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
this.today().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
var dayNamesShort = settings.dayNamesShort || this._defaults.dayNamesShort;
var dayNames = settings.dayNames || this._defaults.dayNames;
var monthNamesShort = settings.monthNamesShort || this._defaults.monthNamesShort;
var monthNames = settings.monthNames || this._defaults.monthNames;
var year = -1;
var month = -1;
var day = -1;
var doy = -1;
var shortYear = false;
var literal = false;
// Check whether a format character is doubled
var doubled = function(match, step) {
var matches = 1;
while (iFormat + matches < format.length && format.charAt(iFormat + matches) == match) {
matches++;
}
iFormat += matches - 1;
return Math.floor(matches / (step || 1)) > 1;
};
// Extract a number from the string value
var getNumber = function(match, step) {
var isDoubled = doubled(match, step);
var size = [2, 3, isDoubled ? 4 : 2, 11, 20]['oy@!'.indexOf(match) + 1];
var digits = new RegExp('^-?\\d{1,' + size + '}');
var num = value.substring(iValue).match(digits);
if (!num) {
throw 'Missing number at position {0}'.replace(/\{0\}/, iValue);
}
iValue += num[0].length;
return parseInt(num[0], 10);
};
// Extract a name from the string value and convert to an index
var getName = function(match, shortNames, longNames, step) {
var names = (doubled(match, step) ? longNames : shortNames);
for (var i = 0; i < names.length; i++) {
if (value.substr(iValue, names[i].length) == names[i]) {
iValue += names[i].length;
return i + 1;
}
}
throw 'Unknown name at position {0}'.replace(/\{0\}/, iValue);
};
// Confirm that a literal character matches the string value
var checkLiteral = function() {
if (value.charAt(iValue) != format.charAt(iFormat)) {
throw 'Unexpected literal at position {0}'.replace(/\{0\}/, iValue);
}
iValue++;
};
var iValue = 0;
for (var iFormat = 0; iFormat < format.length; iFormat++) {
if (literal) {
if (format.charAt(iFormat) == "'" && !doubled("'")) {
literal = false;
}
else {
checkLiteral();
}
}
else {
switch (format.charAt(iFormat)) {
case 'd': day = getNumber('d'); break;
case 'D': getName('D', dayNamesShort, dayNames); break;
case 'o': doy = getNumber('o'); break;
case 'w': getNumber('w'); break;
case 'm': month = getNumber('m'); break;
case 'M': month = getName('M', monthNamesShort, monthNames); break;
case 'y':
var iSave = iFormat;
shortYear = !doubled('y', 2);
iFormat = iSave;
year = getNumber('y', 2);
break;
case '@':
var date = this._normaliseDate(new Date(getNumber('@') * 1000));
year = date.getFullYear();
month = date.getMonth() + 1;
day = date.getDate();
break;
case '!':
var date = this._normaliseDate(
new Date((getNumber('!') - this._ticksTo1970) / 10000));
year = date.getFullYear();
month = date.getMonth() + 1;
day = date.getDate();
break;
case '*': iValue = value.length; break;
case "'":
if (doubled("'")) {
checkLiteral();
}
else {
literal = true;
}
break;
default: checkLiteral();
}
}
}
if (iValue < value.length) {
throw 'Additional text found at end';
}
if (year == -1) {
year = this.today().getFullYear();
}
else if (year < 100 && shortYear) {
year += (shortYearCutoff == -1 ? 1900 : this.today().getFullYear() -
this.today().getFullYear() % 100 - (year <= shortYearCutoff ? 0 : 100));
}
if (doy > -1) {
month = 1;
day = doy;
for (var dim = this.daysInMonth(year, month); day > dim;
dim = this.daysInMonth(year, month)) {
month++;
day -= dim;
}
}
var date = this.newDate(year, month, day);
if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day) {
throw 'Invalid date';
}
return date;
},
/* A date may be specified as an exact value or a relative one.
@param dateSpec (Date or number or string) the date as an object or string
in the given format or an offset - numeric days from today,
or string amounts and periods, e.g. '+1m +2w'
@param defaultDate (Date) the date to use if no other supplied, may be null
@param currentDate (Date) the current date as a possible basis for relative dates,
if null today is used (optional)
@param dateFormat (string) the expected date format - see formatDate above (optional)
@param settings (object) attributes include:
shortYearCutoff (number) the cutoff year for determining the century (optional)
dayNamesShort (string[7]) abbreviated names of the days from Sunday (optional)
dayNames (string[7]) names of the days from Sunday (optional)
monthNamesShort (string[12]) abbreviated names of the months (optional)
monthNames (string[12]) names of the months (optional)
@return (Date) the decoded date */
determineDate: function(dateSpec, defaultDate, currentDate, dateFormat, settings) {
if (currentDate && typeof currentDate != 'object') {
settings = dateFormat;
dateFormat = currentDate;
currentDate = null;
}
if (typeof dateFormat != 'string') {
settings = dateFormat;
dateFormat = '';
}
var offsetString = function(offset) {
try {
return $.datepick.parseDate(dateFormat, offset, settings);
}
catch (e) {
// Ignore
}
offset = offset.toLowerCase();
var date = (offset.match(/^c/) && currentDate ? $.datepick.newDate(currentDate) : null) ||
$.datepick.today();
var pattern = /([+-]?[0-9]+)\s*(d|w|m|y)?/g;
var matches = pattern.exec(offset);
while (matches) {
date = $.datepick.add(date, parseInt(matches[1], 10), matches[2] || 'd');
matches = pattern.exec(offset);
}
return date;
};
defaultDate = (defaultDate ? $.datepick.newDate(defaultDate) : null);
dateSpec = (dateSpec == null ? defaultDate :
(typeof dateSpec == 'string' ? offsetString(dateSpec) : (typeof dateSpec == 'number' ?
(isNaN(dateSpec) || dateSpec == Infinity || dateSpec == -Infinity ? defaultDate :
$.datepick.add($.datepick.today(), dateSpec, 'd')) : $.datepick.newDate(dateSpec))));
return dateSpec;
},
/* Find the number of days in a given month.
@param year (Date) the date to get days for or
(number) the full year
@param month (number) the month (1 to 12)
@return (number) the number of days in this month */
daysInMonth: function(year, month) {
month = (year.getFullYear ? year.getMonth() + 1 : month);
year = (year.getFullYear ? year.getFullYear() : year);
return this.newDate(year, month + 1, 0).getDate();
},
/* Calculate the day of the year for a date.
@param year (Date) the date to get the day-of-year for or
(number) the full year
@param month (number) the month (1-12)
@param day (number) the day
@return (number) the day of the year */
dayOfYear: function(year, month, day) {
var date = (year.getFullYear ? year : this.newDate(year, month, day));
var newYear = this.newDate(date.getFullYear(), 1, 1);
return Math.floor((date.getTime() - newYear.getTime()) / this._msPerDay) + 1;
},
/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
@param year (Date) the date to get the week for or
(number) the full year
@param month (number) the month (1-12)
@param day (number) the day
@return (number) the number of the week within the year that contains this date */
iso8601Week: function(year, month, day) {
var checkDate = (year.getFullYear ?
new Date(year.getTime()) : this.newDate(year, month, day));
// Find Thursday of this week starting on Monday
checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
var time = checkDate.getTime();
checkDate.setMonth(0, 1); // Compare with Jan 1
return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
},
/* Return today's date.
@return (Date) today */
today: function() {
return this._normaliseDate(new Date());
},
/* Return a new date.
@param year (Date) the date to clone or
(number) the year
@param month (number) the month (1-12)
@param day (number) the day
@return (Date) the date */
newDate: function(year, month, day) {
return (!year ? null : (year.getFullYear ? this._normaliseDate(new Date(year.getTime())) :
new Date(year, month - 1, day, 12)));
},
/* Standardise a date into a common format - time portion is 12 noon.
@param date (Date) the date to standardise
@return (Date) the normalised date */
_normaliseDate: function(date) {
if (date) {
date.setHours(12, 0, 0, 0);
}
return date;
},
/* Set the year for a date.
@param date (Date) the original date
@param year (number) the new year
@return the updated date */
year: function(date, year) {
date.setFullYear(year);
return this._normaliseDate(date);
},
/* Set the month for a date.
@param date (Date) the original date
@param month (number) the new month (1-12)
@return the updated date */
month: function(date, month) {
date.setMonth(month - 1);
return this._normaliseDate(date);
},
/* Set the day for a date.
@param date (Date) the original date
@param day (number) the new day of the month
@return the updated date */
day: function(date, day) {
date.setDate(day);
return this._normaliseDate(date);
},
/* Add a number of periods to a date.
@param date (Date) the original date
@param amount (number) the number of periods
@param period (string) the type of period d/w/m/y
@return the updated date */
add: function(date, amount, period) {
if (period == 'd' || period == 'w') {
this._normaliseDate(date);
date.setDate(date.getDate() + amount * (period == 'w' ? 7 : 1));
}
else {
var year = date.getFullYear() + (period == 'y' ? amount : 0);
var month = date.getMonth() + (period == 'm' ? amount : 0);
date.setTime($.datepick.newDate(year, month + 1,
Math.min(date.getDate(), this.daysInMonth(year, month + 1))).getTime());
}
return date;
},
/* Apply the months offset value to a date.
@param date (Date) the original date
@param inst (object) the current instance settings
@return (Date) the updated date */
_applyMonthsOffset: function(date, inst) {
var monthsOffset = inst.get('monthsOffset');
if ($.isFunction(monthsOffset)) {
monthsOffset = monthsOffset.apply(inst.target[0], [date]);
}
return $.datepick.add(date, -monthsOffset, 'm');
},
/* Attach the datepicker functionality to an input field.
@param target (element) the control to affect
@param settings (object) the custom options for this instance */
_attachPicker: function(target, settings) {
target = $(target);
if (target.hasClass(this.markerClass)) {
return;
}
target.addClass(this.markerClass);
var inst = {target: target, selectedDates: [], drawDate: null, pickingRange: false,
inline: ($.inArray(target[0].nodeName.toLowerCase(), ['div', 'span']) > -1),
get: function(name) { // Get a setting value, defaulting if necessary
var value = this.settings[name] !== undefined ?
this.settings[name] : $.datepick._defaults[name];
if ($.inArray(name, ['defaultDate', 'minDate', 'maxDate']) > -1) { // Decode date settings
value = $.datepick.determineDate(
value, null, this.selectedDates[0], this.get('dateFormat'), inst.getConfig());
}
return value;
},
curMinDate: function() {
return (this.pickingRange ? this.selectedDates[0] : this.get('minDate'));
},
getConfig: function() {
return {dayNamesShort: this.get('dayNamesShort'), dayNames: this.get('dayNames'),
monthNamesShort: this.get('monthNamesShort'), monthNames: this.get('monthNames'),
calculateWeek: this.get('calculateWeek'),
shortYearCutoff: this.get('shortYearCutoff')};
}
};
$.data(target[0], this.dataName, inst);
var inlineSettings = ($.fn.metadata ? target.metadata() : {});
inst.settings = $.extend({}, settings || {}, inlineSettings || {});
if (inst.inline) {
inst.drawDate = $.datepick._checkMinMax($.datepick.newDate(inst.selectedDates[0] ||
inst.get('defaultDate') || $.datepick.today()), inst);
inst.prevDate = $.datepick.newDate(inst.drawDate);
this._update(target[0]);
if ($.fn.mousewheel) {
target.mousewheel(this._doMouseWheel);
}
}
else {
this._attachments(target, inst);
target.bind('keydown.' + this.dataName, this._keyDown).
bind('keypress.' + this.dataName, this._keyPress).
bind('keyup.' + this.dataName, this._keyUp);
if (target.attr('disabled')) {
this.disable(target[0]);
}
}
},
/* Retrieve the settings for a datepicker control.
@param target (element) the control to affect
@param name (string) the name of the setting (optional)
@return (object) the current instance settings (name == 'all') or
(object) the default settings (no name) or
(any) the setting value (name supplied) */
options: function(target, name) {
var inst = $.data(target, this.dataName);
return (inst ? (name ? (name == 'all' ?
inst.settings : inst.settings[name]) : $.datepick._defaults) : {});
},
/* Reconfigure the settings for a datepicker control.
@param target (element) the control to affect
@param settings (object) the new options for this instance or
(string) an individual property name
@param value (any) the individual property value (omit if settings is an object) */
option: function(target, settings, value) {
target = $(target);
if (!target.hasClass(this.markerClass)) {
return;
}
settings = settings || {};
if (typeof settings == 'string') {
var name = settings;
settings = {};
settings[name] = value;
}
var inst = $.data(target[0], this.dataName);
var dates = inst.selectedDates;
extendRemove(inst.settings, settings);
this.setDate(target[0], dates, null, false, true);
inst.pickingRange = false;
inst.drawDate = $.datepick.newDate(this._checkMinMax(
(settings.defaultDate ? inst.get('defaultDate') : inst.drawDate) ||
inst.get('defaultDate') || $.datepick.today(), inst));
if (!inst.inline) {
this._attachments(target, inst);
}
if (inst.inline || inst.div) {
this._update(target[0]);
}
},
/* Attach events and trigger, if necessary.
@param target (jQuery) the control to affect
@param inst (object) the current instance settings */
_attachments: function(target, inst) {
target.unbind('focus.' + this.dataName);
if (inst.get('showOnFocus')) {
target.bind('focus.' + this.dataName, this.show);
}
if (inst.trigger) {
inst.trigger.remove();
}
var trigger = inst.get('showTrigger');
inst.trigger = (!trigger ? $([]) :
$(trigger).clone().removeAttr('id').addClass(this._triggerClass)
[inst.get('isRTL') ? 'insertBefore' : 'insertAfter'](target).
click(function() {
if (!$.datepick.isDisabled(target[0])) {
$.datepick[$.datepick.curInst == inst ?
'hide' : 'show'](target[0]);
}
}));
this._autoSize(target, inst);
var dates = this._extractDates(inst, target.val());
if (dates) {
this.setDate(target[0], dates, null, true);
}
if (inst.get('selectDefaultDate') && inst.get('defaultDate') &&
inst.selectedDates.length == 0) {
this.setDate(target[0], $.datepick.newDate(inst.get('defaultDate') || $.datepick.today()));
}
},
/* Apply the maximum length for the date format.
@param inst (object) the current instance settings */
_autoSize: function(target, inst) {
if (inst.get('autoSize') && !inst.inline) {
var date = $.datepick.newDate(2009, 10, 20); // Ensure double digits
var dateFormat = inst.get('dateFormat');
if (dateFormat.match(/[DM]/)) {
var findMax = function(names) {
var max = 0;
var maxI = 0;
for (var i = 0; i < names.length; i++) {
if (names[i].length > max) {
max = names[i].length;
maxI = i;
}
}
return maxI;
};
date.setMonth(findMax(inst.get(dateFormat.match(/MM/) ? // Longest month
'monthNames' : 'monthNamesShort')));
date.setDate(findMax(inst.get(dateFormat.match(/DD/) ? // Longest day
'dayNames' : 'dayNamesShort')) + 20 - date.getDay());
}
inst.target.attr('size', $.datepick.formatDate(dateFormat, date, inst.getConfig()).length);
}
},
/* Remove the datepicker functionality from a control.
@param target (element) the control to affect */
destroy: function(target) {
target = $(target);
if (!target.hasClass(this.markerClass)) {
return;
}
var inst = $.data(target[0], this.dataName);
if (inst.trigger) {
inst.trigger.remove();
}
target.removeClass(this.markerClass).empty().unbind('.' + this.dataName);
if (inst.inline && $.fn.mousewheel) {
target.unmousewheel();
}
if (!inst.inline && inst.get('autoSize')) {
target.removeAttr('size');
}
$.removeData(target[0], this.dataName);
},
/* Apply multiple event functions.
Usage, for example: onShow: multipleEvents(fn1, fn2, ...)
@param fns (function...) the functions to apply */
multipleEvents: function(fns) {
var funcs = arguments;
return function(args) {
for (var i = 0; i < funcs.length; i++) {
funcs[i].apply(this, arguments);
}
};
},
/* Enable the datepicker and any associated trigger.
@param target (element) the control to use */
enable: function(target) {
var $target = $(target);
if (!$target.hasClass(this.markerClass)) {
return;
}
var inst = $.data(target, this.dataName);
if (inst.inline)
$target.children('.' + this._disableClass).remove().end().
find('button,select').attr('disabled', '').end().
find('a').attr('href', 'javascript:void(0)');
else {
target.disabled = false;
inst.trigger.filter('button.' + this._triggerClass).
attr('disabled', '').end().
filter('img.' + this._triggerClass).
css({opacity: '1.0', cursor: ''});
}
this._disabled = $.map(this._disabled,
function(value) { return (value == target ? null : value); }); // Delete entry
},
/* Disable the datepicker and any associated trigger.
@param target (element) the control to use */
disable: function(target) {
var $target = $(target);
if (!$target.hasClass(this.markerClass))
return;
var inst = $.data(target, this.dataName);
if (inst.inline) {
var inline = $target.children(':last');
var offset = inline.offset();
var relOffset = {left: 0, top: 0};
inline.parents().each(function() {
if ($(this).css('position') == 'relative') {
relOffset = $(this).offset();
return false;
}
});
var zIndex = $target.css('zIndex');
zIndex = (zIndex == 'auto' ? 0 : parseInt(zIndex, 10)) + 1;
$target.prepend('<div class="' + this._disableClass + '" style="' +
'width: ' + inline.outerWidth() + 'px; height: ' + inline.outerHeight() +
'px; left: ' + (offset.left - relOffset.left) + 'px; top: ' +
(offset.top - relOffset.top) + 'px; z-index: ' + zIndex + '"></div>').
find('button,select').attr('disabled', 'disabled').end().
find('a').removeAttr('href');
}
else {
target.disabled = true;
inst.trigger.filter('button.' + this._triggerClass).
attr('disabled', 'disabled').end().
filter('img.' + this._triggerClass).
css({opacity: '0.5', cursor: 'default'});
}
this._disabled = $.map(this._disabled,
function(value) { return (value == target ? null : value); }); // Delete entry
this._disabled.push(target);
},
/* Is the first field in a jQuery collection disabled as a datepicker?
@param target (element) the control to examine
@return (boolean) true if disabled, false if enabled */
isDisabled: function(target) {
return (target && $.inArray(target, this._disabled) > -1);
},
/* Show a popup datepicker.
@param target (event) a focus event or
(element) the control to use */
show: function(target) {
target = target.target || target;
var inst = $.data(target, $.datepick.dataName);
if ($.datepick.curInst == inst) {
return;
}
if ($.datepick.curInst) {
$.datepick.hide($.datepick.curInst, true);
}
if (inst) {
// Retrieve existing date(s)
inst.lastVal = null;
inst.selectedDates = $.datepick._extractDates(inst, $(target).val());
inst.pickingRange = false;
inst.drawDate = $.datepick._checkMinMax($.datepick.newDate(inst.selectedDates[0] ||
inst.get('defaultDate') || $.datepick.today()), inst);
inst.prevDate = $.datepick.newDate(inst.drawDate);
$.datepick.curInst = inst;
// Generate content
$.datepick._update(target, true);
// Adjust position before showing
var offset = $.datepick._checkOffset(inst);
inst.div.css({left: offset.left, top: offset.top});
// And display
var showAnim = inst.get('showAnim');
var showSpeed = inst.get('showSpeed');
showSpeed = (showSpeed == 'normal' && $.ui && $.ui.version >= '1.8' ?
'_default' : showSpeed);
var postProcess = function() {
var cover = inst.div.find('.' + $.datepick._coverClass);
if (cover.length) {
var borders = $.datepick._getBorders(inst.div);
cover.css({left: -borders[0], top: -borders[1], // IE6- only
width: inst.div.outerWidth() + borders[0],
height: inst.div.outerHeight() + borders[1]});
}
};
if ($.effects && $.effects[showAnim]) {
var data = inst.div.data(); // Update old effects data
for (var key in data) {
if (key.match(/^ec\.storage\./)) {
data[key] = inst._mainDiv.css(key.replace(/ec\.storage\./, ''));
}
}
inst.div.data(data).show(showAnim, inst.get('showOptions'), showSpeed, postProcess);
}
else {
inst.div[showAnim || 'show']((showAnim ? showSpeed : ''), postProcess);
}
if (!showAnim) {
postProcess();
}
}
},
/* Extract possible dates from a string.
@param inst (object) the current instance settings
@param text (string) the text to extract from
@return (CDate[]) the extracted dates */
_extractDates: function(inst, datesText) {
if (datesText == inst.lastVal) {
return;
}
inst.lastVal = datesText;
var dateFormat = inst.get('dateFormat');
var multiSelect = inst.get('multiSelect');
var rangeSelect = inst.get('rangeSelect');
datesText = datesText.split(multiSelect ? inst.get('multiSeparator') :
(rangeSelect ? inst.get('rangeSeparator') : '\x00'));
var dates = [];
for (var i = 0; i < datesText.length; i++) {
try {
var date = $.datepick.parseDate(dateFormat, datesText[i], inst.getConfig());
if (date) {
var found = false;
for (var j = 0; j < dates.length; j++) {
if (dates[j].getTime() == date.getTime()) {
found = true;
break;
}
}
if (!found) {
dates.push(date);
}
}
}
catch (e) {
// Ignore
}
}
dates.splice(multiSelect || (rangeSelect ? 2 : 1), dates.length);
if (rangeSelect && dates.length == 1) {
dates[1] = dates[0];
}
return dates;
},
/* Update the datepicker display.
@param target (event) a focus event or
(element) the control to use
@param hidden (boolean) true to initially hide the datepicker */
_update: function(target, hidden) {
target = $(target.target || target);
var inst = $.data(target[0], $.datepick.dataName);
if (inst) {
if (inst.inline || $.datepick.curInst == inst) {
var onChange = inst.get('onChangeMonthYear');
if (onChange && (!inst.prevDate ||
inst.prevDate.getFullYear() != inst.drawDate.getFullYear() ||
inst.prevDate.getMonth() != inst.drawDate.getMonth())) {
onChange.apply(target[0], [inst.drawDate.getFullYear(), inst.drawDate.getMonth() + 1]);
}
}
if (inst.inline) {
target.html(this._generateContent(target[0], inst));
}
else if ($.datepick.curInst == inst) {
if (!inst.div) {
inst.div = $('<div></div>').addClass(this._popupClass).
css({display: (hidden ? 'none' : 'static'), position: 'absolute',
left: target.offset().left,
top: target.offset().top + target.outerHeight()}).
appendTo($(inst.get('popupContainer') || 'body'));
if ($.fn.mousewheel) {
inst.div.mousewheel(this._doMouseWheel);
}
}
inst.div.html(this._generateContent(target[0], inst));
target.focus();
}
}
},
/* Update the input field and any alternate field with the current dates.
@param target (element) the control to use
@param keyUp (boolean, internal) true if coming from keyUp processing */
_updateInput: function(target, keyUp) {
var inst = $.data(target, this.dataName);
if (inst) {
var value = '';
var altValue = '';
var sep = (inst.get('multiSelect') ? inst.get('multiSeparator') :
inst.get('rangeSeparator'));
var dateFormat = inst.get('dateFormat');
var altFormat = inst.get('altFormat') || dateFormat;
for (var i = 0; i < inst.selectedDates.length; i++) {
value += (keyUp ? '' : (i > 0 ? sep : '') + $.datepick.formatDate(
dateFormat, inst.selectedDates[i], inst.getConfig()));
altValue += (i > 0 ? sep : '') + $.datepick.formatDate(
altFormat, inst.selectedDates[i], inst.getConfig());
}
if (!inst.inline && !keyUp) {
$(target).val(value);
}
$(inst.get('altField')).val(altValue);
var onSelect = inst.get('onSelect');
if (onSelect && !keyUp && !inst.inSelect) {
inst.inSelect = true; // Prevent endless loops
onSelect.apply(target, [inst.selectedDates]);
inst.inSelect = false;
}
}
},
/* Retrieve the size of left and top borders for an element.
@param elem (jQuery) the element of interest
@return (number[2]) the left and top borders */
_getBorders: function(elem) {
var convert = function(value) {
var extra = ($.browser.msie ? 1 : 0);
return {thin: 1 + extra, medium: 3 + extra, thick: 5 + extra}[value] || value;
};
return [parseFloat(convert(elem.css('border-left-width'))),
parseFloat(convert(elem.css('border-top-width')))];
},
/* Check positioning to remain on the screen.
@param inst (object) the current instance settings
@return (object) the updated offset for the datepicker */
_checkOffset: function(inst) {
var base = (inst.target.is(':hidden') && inst.trigger ? inst.trigger : inst.target);
var offset = base.offset();
var isFixed = false;
$(inst.target).parents().each(function() {
isFixed |= $(this).css('position') == 'fixed';
return !isFixed;
});
if (isFixed && $.browser.opera) { // Correction for Opera when fixed and scrolled
offset.left -= document.documentElement.scrollLeft;
offset.top -= document.documentElement.scrollTop;
}
var browserWidth = (!$.browser.mozilla || document.doctype ?
document.documentElement.clientWidth : 0) || document.body.clientWidth;
var browserHeight = (!$.browser.mozilla || document.doctype ?
document.documentElement.clientHeight : 0) || document.body.clientHeight;
if (browserWidth == 0) {
return offset;
}
var alignment = inst.get('alignment');
var isRTL = inst.get('isRTL');
var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
var above = offset.top - inst.div.outerHeight() -
(isFixed && $.browser.opera ? document.documentElement.scrollTop : 0);
var below = offset.top + base.outerHeight();
var alignL = offset.left;
var alignR = offset.left + base.outerWidth() - inst.div.outerWidth() -
(isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0);
var tooWide = (offset.left + inst.div.outerWidth() - scrollX) > browserWidth;
var tooHigh = (offset.top + inst.target.outerHeight() + inst.div.outerHeight() -
scrollY) > browserHeight;
if (alignment == 'topLeft') {
offset = {left: alignL, top: above};
}
else if (alignment == 'topRight') {
offset = {left: alignR, top: above};
}
else if (alignment == 'bottomLeft') {
offset = {left: alignL, top: below};
}
else if (alignment == 'bottomRight') {
offset = {left: alignR, top: below};
}
else if (alignment == 'top') {
offset = {left: (isRTL || tooWide ? alignR : alignL), top: above};
}
else { // bottom
offset = {left: (isRTL || tooWide ? alignR : alignL),
top: (tooHigh ? above : below)};
}
offset.left = Math.max((isFixed ? 0 : scrollX), offset.left - (isFixed ? scrollX : 0));
offset.top = Math.max((isFixed ? 0 : scrollY), offset.top - (isFixed ? scrollY : 0));
return offset;
},
/* Close date picker if clicked elsewhere.
@param event (MouseEvent) the mouse click to check */
_checkExternalClick: function(event) {
if (!$.datepick.curInst) {
return;
}
var target = $(event.target);
if (!target.parents().andSelf().hasClass($.datepick._popupClass) &&
!target.hasClass($.datepick.markerClass) &&
!target.parents().andSelf().hasClass($.datepick._triggerClass)) {
$.datepick.hide($.datepick.curInst);
}
},
/* Hide a popup datepicker.
@param target (element) the control to use or
(object) the current instance settings
@param immediate (boolean) true to close immediately without animation */
hide: function(target, immediate) {
var inst = $.data(target, this.dataName) || target;
if (inst && inst == $.datepick.curInst) {
var showAnim = (immediate ? '' : inst.get('showAnim'));
var showSpeed = inst.get('showSpeed');
showSpeed = (showSpeed == 'normal' && $.ui && $.ui.version >= '1.8' ?
'_default' : showSpeed);
var postProcess = function() {
inst.div.remove();
inst.div = null;
$.datepick.curInst = null;
var onClose = inst.get('onClose');
if (onClose) {
onClose.apply(target, [inst.selectedDates]);
}
};
inst.div.stop();
if ($.effects && $.effects[showAnim]) {
inst.div.hide(showAnim, inst.get('showOptions'), showSpeed, postProcess);
}
else {
var hideAnim = (showAnim == 'slideDown' ? 'slideUp' :
(showAnim == 'fadeIn' ? 'fadeOut' : 'hide'));
inst.div[hideAnim]((showAnim ? showSpeed : ''), postProcess);
}
if (!showAnim) {
postProcess();
}
}
},
/* Handle keystrokes in the datepicker.
@param event (KeyEvent) the keystroke
@return (boolean) true if not handled, false if handled */
_keyDown: function(event) {
var target = event.target;
var inst = $.data(target, $.datepick.dataName);
var handled = false;
if (inst.div) {
if (event.keyCode == 9) { // Tab - close
$.datepick.hide(target);
}
else if (event.keyCode == 13) { // Enter - select
$.datepick.selectDate(target,
$('a.' + inst.get('renderer').highlightedClass, inst.div)[0]);
handled = true;
}
else { // Command keystrokes
var commands = inst.get('commands');
for (var name in commands) {
var command = commands[name];
if (command.keystroke.keyCode == event.keyCode &&
!!command.keystroke.ctrlKey == !!(event.ctrlKey || event.metaKey) &&
!!command.keystroke.altKey == event.altKey &&
!!command.keystroke.shiftKey == event.shiftKey) {
$.datepick.performAction(target, name);
handled = true;
break;
}
}
}
}
else { // Show on 'current' keystroke
var command = inst.get('commands').current;
if (command.keystroke.keyCode == event.keyCode &&
!!command.keystroke.ctrlKey == !!(event.ctrlKey || event.metaKey) &&
!!command.keystroke.altKey == event.altKey &&
!!command.keystroke.shiftKey == event.shiftKey) {
$.datepick.show(target);
handled = true;
}
}
inst.ctrlKey = ((event.keyCode < 48 && event.keyCode != 32) ||
event.ctrlKey || event.metaKey);
if (handled) {
event.preventDefault();
event.stopPropagation();
}
return !handled;
},
/* Filter keystrokes in the datepicker.
@param event (KeyEvent) the keystroke
@return (boolean) true if allowed, false if not allowed */
_keyPress: function(event) {
var target = event.target;
var inst = $.data(target, $.datepick.dataName);
if (inst && inst.get('constrainInput')) {
var ch = String.fromCharCode(event.keyCode || event.charCode);
var allowedChars = $.datepick._allowedChars(inst);
return (event.metaKey || inst.ctrlKey || ch < ' ' ||
!allowedChars || allowedChars.indexOf(ch) > -1);
}
return true;
},
/* Determine the set of characters allowed by the date format.
@param inst (object) the current instance settings
@return (string) the set of allowed characters, or null if anything allowed */
_allowedChars: function(inst) {
var dateFormat = inst.get('dateFormat');
var allowedChars = (inst.get('multiSelect') ? inst.get('multiSeparator') :
(inst.get('rangeSelect') ? inst.get('rangeSeparator') : ''));
var literal = false;
var hasNum = false;
for (var i = 0; i < dateFormat.length; i++) {
var ch = dateFormat.charAt(i);
if (literal) {
if (ch == "'" && dateFormat.charAt(i + 1) != "'") {
literal = false;
}
else {
allowedChars += ch;
}
}
else {
switch (ch) {
case 'd': case 'm': case 'o': case 'w':
allowedChars += (hasNum ? '' : '0123456789'); hasNum = true; break;
case 'y': case '@': case '!':
allowedChars += (hasNum ? '' : '0123456789') + '-'; hasNum = true; break;
case 'J':
allowedChars += (hasNum ? '' : '0123456789') + '-.'; hasNum = true; break;
case 'D': case 'M': case 'Y':
return null; // Accept anything
case "'":
if (dateFormat.charAt(i + 1) == "'") {
allowedChars += "'";
}
else {
literal = true;
}
break;
default:
allowedChars += ch;
}
}
}
return allowedChars;
},
/* Synchronise datepicker with the field.
@param event (KeyEvent) the keystroke
@return (boolean) true if allowed, false if not allowed */
_keyUp: function(event) {
var target = event.target;
var inst = $.data(target, $.datepick.dataName);
if (inst && !inst.ctrlKey && inst.lastVal != inst.target.val()) {
try {
var dates = $.datepick._extractDates(inst, inst.target.val());
if (dates.length > 0) {
$.datepick.setDate(target, dates, null, true);
}
}
catch (event) {
// Ignore
}
}
return true;
},
/* Increment/decrement month/year on mouse wheel activity.
@param event (event) the mouse wheel event
@param delta (number) the amount of change */
_doMouseWheel: function(event, delta) {
var target = ($.datepick.curInst && $.datepick.curInst.target[0]) ||
$(event.target).closest('.' + $.datepick.markerClass)[0];
if ($.datepick.isDisabled(target)) {
return;
}
var inst = $.data(target, $.datepick.dataName);
if (inst.get('useMouseWheel')) {
delta = ($.browser.opera ? -delta : delta);
delta = (delta < 0 ? -1 : +1);
$.datepick.changeMonth(target,
-inst.get(event.ctrlKey ? 'monthsToJump' : 'monthsToStep') * delta);
}
event.preventDefault();
},
/* Clear an input and close a popup datepicker.
@param target (element) the control to use */
clear: function(target) {
var inst = $.data(target, this.dataName);
if (inst) {
inst.selectedDates = [];
this.hide(target);
if (inst.get('selectDefaultDate') && inst.get('defaultDate')) {
this.setDate(target,
$.datepick.newDate(inst.get('defaultDate') ||$.datepick.today()));
}
else {
this._updateInput(target);
}
}
},
/* Retrieve the selected date(s) for a datepicker.
@param target (element) the control to examine
@return (CDate[]) the selected date(s) */
getDate: function(target) {
var inst = $.data(target, this.dataName);
return (inst ? inst.selectedDates : []);
},
/* Set the selected date(s) for a datepicker.
@param target (element) the control to examine
@param dates (CDate or number or string or [] of these) the selected date(s)
@param endDate (CDate or number or string) the ending date for a range (optional)
@param keyUp (boolean, internal) true if coming from keyUp processing
@param setOpt (boolean, internal) true if coming from option processing */
setDate: function(target, dates, endDate, keyUp, setOpt) {
var inst = $.data(target, this.dataName);
if (inst) {
if (!$.isArray(dates)) {
dates = [dates];
if (endDate) {
dates.push(endDate);
}
}
var dateFormat = inst.get('dateFormat');
var minDate = inst.get('minDate');
var maxDate = inst.get('maxDate');
var curDate = inst.selectedDates[0];
inst.selectedDates = [];
for (var i = 0; i < dates.length; i++) {
var date = $.datepick.determineDate(
dates[i], null, curDate, dateFormat, inst.getConfig());
if (date) {
if ((!minDate || date.getTime() >= minDate.getTime()) &&
(!maxDate || date.getTime() <= maxDate.getTime())) {
var found = false;
for (var j = 0; j < inst.selectedDates.length; j++) {
if (inst.selectedDates[j].getTime() == date.getTime()) {
found = true;
break;
}
}
if (!found) {
inst.selectedDates.push(date);
}
}
}
}
var rangeSelect = inst.get('rangeSelect');
inst.selectedDates.splice(inst.get('multiSelect') ||
(rangeSelect ? 2 : 1), inst.selectedDates.length);
if (rangeSelect) {
switch (inst.selectedDates.length) {
case 1: inst.selectedDates[1] = inst.selectedDates[0]; break;
case 2: inst.selectedDates[1] =
(inst.selectedDates[0].getTime() > inst.selectedDates[1].getTime() ?
inst.selectedDates[0] : inst.selectedDates[1]); break;
}
inst.pickingRange = false;
}
inst.prevDate = (inst.drawDate ? $.datepick.newDate(inst.drawDate) : null);
inst.drawDate = this._checkMinMax($.datepick.newDate(inst.selectedDates[0] ||
inst.get('defaultDate') || $.datepick.today()), inst);
if (!setOpt) {
this._update(target);
this._updateInput(target, keyUp);
}
}
},
/* Determine whether a date is selectable for this datepicker.
@param target (element) the control to check
@param date (Date or string or number) the date to check
@return (boolean) true if selectable, false if not */
isSelectable: function(target, date) {
var inst = $.data(target, this.dataName);
if (!inst) {
return false;
}
date = $.datepick.determineDate(date, inst.selectedDates[0] || this.today(), null,
inst.get('dateFormat'), inst.getConfig());
return this._isSelectable(target, date, inst.get('onDate'),
inst.get('minDate'), inst.get('maxDate'));
},
/* Internally determine whether a date is selectable for this datepicker.
@param target (element) the control to check
@param date (Date) the date to check
@param onDate (function or boolean) any onDate callback or callback.selectable
@param mindate (Date) the minimum allowed date
@param maxdate (Date) the maximum allowed date
@return (boolean) true if selectable, false if not */
_isSelectable: function(target, date, onDate, minDate, maxDate) {
var dateInfo = (typeof onDate == 'boolean' ? {selectable: onDate} :
(!onDate ? {} : onDate.apply(target, [date, true])));
return (dateInfo.selectable != false) &&
(!minDate || date.getTime() >= minDate.getTime()) &&
(!maxDate || date.getTime() <= maxDate.getTime());
},
/* Perform a named action for a datepicker.
@param target (element) the control to affect
@param action (string) the name of the action */
performAction: function(target, action) {
var inst = $.data(target, this.dataName);
if (inst && !this.isDisabled(target)) {
var commands = inst.get('commands');
if (commands[action] && commands[action].enabled.apply(target, [inst])) {
commands[action].action.apply(target, [inst]);
}
}
},
/* Set the currently shown month, defaulting to today's.
@param target (element) the control to affect
@param year (number) the year to show (optional)
@param month (number) the month to show (1-12) (optional)
@param day (number) the day to show (optional) */
showMonth: function(target, year, month, day) {
var inst = $.data(target, this.dataName);
if (inst && (day != null ||
(inst.drawDate.getFullYear() != year || inst.drawDate.getMonth() + 1 != month))) {
inst.prevDate = $.datepick.newDate(inst.drawDate);
var show = this._checkMinMax((year != null ?
$.datepick.newDate(year, month, 1) : $.datepick.today()), inst);
inst.drawDate = $.datepick.newDate(show.getFullYear(), show.getMonth() + 1,
(day != null ? day : Math.min(inst.drawDate.getDate(),
$.datepick.daysInMonth(show.getFullYear(), show.getMonth() + 1))));
this._update(target);
}
},
/* Adjust the currently shown month.
@param target (element) the control to affect
@param offset (number) the number of months to change by */
changeMonth: function(target, offset) {
var inst = $.data(target, this.dataName);
if (inst) {
var date = $.datepick.add($.datepick.newDate(inst.drawDate), offset, 'm');
this.showMonth(target, date.getFullYear(), date.getMonth() + 1);
}
},
/* Adjust the currently shown day.
@param target (element) the control to affect
@param offset (number) the number of days to change by */
changeDay: function(target, offset) {
var inst = $.data(target, this.dataName);
if (inst) {
var date = $.datepick.add($.datepick.newDate(inst.drawDate), offset, 'd');
this.showMonth(target, date.getFullYear(), date.getMonth() + 1, date.getDate());
}
},
/* Restrict a date to the minimum/maximum specified.
@param date (CDate) the date to check
@param inst (object) the current instance settings */
_checkMinMax: function(date, inst) {
var minDate = inst.get('minDate');
var maxDate = inst.get('maxDate');
date = (minDate && date.getTime() < minDate.getTime() ? $.datepick.newDate(minDate) : date);
date = (maxDate && date.getTime() > maxDate.getTime() ? $.datepick.newDate(maxDate) : date);
return date;
},
/* Retrieve the date associated with an entry in the datepicker.
@param target (element) the control to examine
@param elem (element) the selected datepicker element
@return (CDate) the corresponding date, or null */
retrieveDate: function(target, elem) {
var inst = $.data(target, this.dataName);
return (!inst ? null : this._normaliseDate(
new Date(parseInt(elem.className.replace(/^.*dp(-?\d+).*$/, '$1'), 10))));
},
/* Select a date for this datepicker.
@param target (element) the control to examine
@param elem (element) the selected datepicker element */
selectDate: function(target, elem) {
var inst = $.data(target, this.dataName);
if (inst && !this.isDisabled(target)) {
var date = this.retrieveDate(target, elem);
var multiSelect = inst.get('multiSelect');
var rangeSelect = inst.get('rangeSelect');
if (multiSelect) {
var found = false;
for (var i = 0; i < inst.selectedDates.length; i++) {
if (date.getTime() == inst.selectedDates[i].getTime()) {
inst.selectedDates.splice(i, 1);
found = true;
break;
}
}
if (!found && inst.selectedDates.length < multiSelect) {
inst.selectedDates.push(date);
}
}
else if (rangeSelect) {
if (inst.pickingRange) {
inst.selectedDates[1] = date;
}
else {
inst.selectedDates = [date, date];
}
inst.pickingRange = !inst.pickingRange;
}
else {
inst.selectedDates = [date];
}
inst.prevDate = $.datepick.newDate(date);
this._updateInput(target);
if (inst.inline || inst.pickingRange || inst.selectedDates.length <
(multiSelect || (rangeSelect ? 2 : 1))) {
this._update(target);
}
else {
this.hide(target);
}
}
},
/* Generate the datepicker content for this control.
@param target (element) the control to affect
@param inst (object) the current instance settings
@return (jQuery) the datepicker content */
_generateContent: function(target, inst) {
var renderer = inst.get('renderer');
var monthsToShow = inst.get('monthsToShow');
monthsToShow = ($.isArray(monthsToShow) ? monthsToShow : [1, monthsToShow]);
inst.drawDate = this._checkMinMax(
inst.drawDate || inst.get('defaultDate') || $.datepick.today(), inst);
var drawDate = $.datepick._applyMonthsOffset($.datepick.newDate(inst.drawDate), inst);
// Generate months
var monthRows = '';
for (var row = 0; row < monthsToShow[0]; row++) {
var months = '';
for (var col = 0; col < monthsToShow[1]; col++) {
months += this._generateMonth(target, inst, drawDate.getFullYear(),
drawDate.getMonth() + 1, renderer, (row == 0 && col == 0));
$.datepick.add(drawDate, 1, 'm');
}
monthRows += this._prepare(renderer.monthRow, inst).replace(/\{months\}/, months);
}
var picker = this._prepare(renderer.picker, inst).replace(/\{months\}/, monthRows).
replace(/\{weekHeader\}/g, this._generateDayHeaders(inst, renderer)) +
($.browser.msie && parseInt($.browser.version, 10) < 7 && !inst.inline ?
'<iframe src="javascript:void(0);" class="' + this._coverClass + '"></iframe>' : '');
// Add commands
var commands = inst.get('commands');
var asDateFormat = inst.get('commandsAsDateFormat');
var addCommand = function(type, open, close, name, classes) {
if (picker.indexOf('{' + type + ':' + name + '}') == -1) {
return;
}
var command = commands[name];
var date = (asDateFormat ? command.date.apply(target, [inst]) : null);
picker = picker.replace(new RegExp('\\{' + type + ':' + name + '\\}', 'g'),
'<' + open +
(command.status ? ' title="' + inst.get(command.status) + '"' : '') +
' class="' + renderer.commandClass + ' ' +
renderer.commandClass + '-' + name + ' ' + classes +
(command.enabled(inst) ? '' : ' ' + renderer.disabledClass) + '">' +
(date ? $.datepick.formatDate(inst.get(command.text), date, inst.getConfig()) :
inst.get(command.text)) + '</' + close + '>');
};
for (var name in commands) {
addCommand('button', 'button type="button"', 'button', name,
renderer.commandButtonClass);
addCommand('link', 'a href="javascript:void(0)"', 'a', name,
renderer.commandLinkClass);
}
picker = $(picker);
if (monthsToShow[1] > 1) {
var count = 0;
$(renderer.monthSelector, picker).each(function() {
var nth = ++count % monthsToShow[1];
$(this).addClass(nth == 1 ? 'first' : (nth == 0 ? 'last' : ''));
});
}
// Add datepicker behaviour
var self = this;
picker.find(renderer.daySelector + ' a').hover(
function() { $(this).addClass(renderer.highlightedClass); },
function() {
(inst.inline ? $(this).parents('.' + self.markerClass) : inst.div).
find(renderer.daySelector + ' a').
removeClass(renderer.highlightedClass);
}).
click(function() {
self.selectDate(target, this);
}).end().
find('select.' + this._monthYearClass + ':not(.' + this._anyYearClass + ')').
change(function() {
var monthYear = $(this).val().split('/');
self.showMonth(target, parseInt(monthYear[1], 10), parseInt(monthYear[0], 10));
}).end().
find('select.' + this._anyYearClass).
click(function() {
$(this).css('visibility', 'hidden').
next('input').css({left: this.offsetLeft, top: this.offsetTop,
width: this.offsetWidth, height: this.offsetHeight}).show().focus();
}).end().
find('input.' + self._monthYearClass).
change(function() {
try {
var year = parseInt($(this).val(), 10);
year = (isNaN(year) ? inst.drawDate.getFullYear() : year);
self.showMonth(target, year, inst.drawDate.getMonth() + 1, inst.drawDate.getDate());
}
catch (e) {
alert(e);
}
}).keydown(function(event) {
if (event.keyCode == 13) { // Enter
$(event.target).change();
}
else if (event.keyCode == 27) { // Escape
$(event.target).hide().prev('select').css('visibility', 'visible');
inst.target.focus();
}
});
// Add command behaviour
picker.find('.' + renderer.commandClass).click(function() {
if (!$(this).hasClass(renderer.disabledClass)) {
var action = this.className.replace(
new RegExp('^.*' + renderer.commandClass + '-([^ ]+).*$'), '$1');
$.datepick.performAction(target, action);
}
});
// Add classes
if (inst.get('isRTL')) {
picker.addClass(renderer.rtlClass);
}
if (monthsToShow[0] * monthsToShow[1] > 1) {
picker.addClass(renderer.multiClass);
}
var pickerClass = inst.get('pickerClass');
if (pickerClass) {
picker.addClass(pickerClass);
}
// Resize
$('body').append(picker);
var width = 0;
picker.find(renderer.monthSelector).each(function() {
width += $(this).outerWidth();
});
picker.width(width / monthsToShow[0]);
// Pre-show customisation
var onShow = inst.get('onShow');
if (onShow) {
onShow.apply(target, [picker, inst]);
}
return picker;
},
/* Generate the content for a single month.
@param target (element) the control to affect
@param inst (object) the current instance settings
@param year (number) the year to generate
@param month (number) the month to generate
@param renderer (object) the rendering templates
@param first (boolean) true if first of multiple months
@return (string) the month content */
_generateMonth: function(target, inst, year, month, renderer, first) {
var daysInMonth = $.datepick.daysInMonth(year, month);
var monthsToShow = inst.get('monthsToShow');
monthsToShow = ($.isArray(monthsToShow) ? monthsToShow : [1, monthsToShow]);
var fixedWeeks = inst.get('fixedWeeks') || (monthsToShow[0] * monthsToShow[1] > 1);
var firstDay = inst.get('firstDay');
var leadDays = ($.datepick.newDate(year, month, 1).getDay() - firstDay + 7) % 7;
var numWeeks = (fixedWeeks ? 6 : Math.ceil((leadDays + daysInMonth) / 7));
var showOtherMonths = inst.get('showOtherMonths');
var selectOtherMonths = inst.get('selectOtherMonths') && showOtherMonths;
var dayStatus = inst.get('dayStatus');
var minDate = (inst.pickingRange ? inst.selectedDates[0] : inst.get('minDate'));
var maxDate = inst.get('maxDate');
var rangeSelect = inst.get('rangeSelect');
var onDate = inst.get('onDate');
var showWeeks = renderer.week.indexOf('{weekOfYear}') > -1;
var calculateWeek = inst.get('calculateWeek');
var today = $.datepick.today();
var drawDate = $.datepick.newDate(year, month, 1);
$.datepick.add(drawDate, -leadDays - (fixedWeeks && (drawDate.getDay() == firstDay) ? 7 : 0), 'd');
var ts = drawDate.getTime();
// Generate weeks
var weeks = '';
for (var week = 0; week < numWeeks; week++) {
var weekOfYear = (!showWeeks ? '' : '<span class="dp' + ts + '">' +
(calculateWeek ? calculateWeek(drawDate) : 0) + '</span>');
var days = '';
for (var day = 0; day < 7; day++) {
var selected = false;
if (rangeSelect && inst.selectedDates.length > 0) {
selected = (drawDate.getTime() >= inst.selectedDates[0] &&
drawDate.getTime() <= inst.selectedDates[1]);
}
else {
for (var i = 0; i < inst.selectedDates.length; i++) {
if (inst.selectedDates[i].getTime() == drawDate.getTime()) {
selected = true;
break;
}
}
}
var dateInfo = (!onDate ? {} :
onDate.apply(target, [drawDate, drawDate.getMonth() + 1 == month]));
var selectable = (selectOtherMonths || drawDate.getMonth() + 1 == month) &&
this._isSelectable(target, drawDate, dateInfo.selectable, minDate, maxDate);
days += this._prepare(renderer.day, inst).replace(/\{day\}/g,
(selectable ? '<a href="javascript:void(0)"' : '<span') +
' class="dp' + ts + ' ' + (dateInfo.dateClass || '') +
(selected && (selectOtherMonths || drawDate.getMonth() + 1 == month) ?
' ' + renderer.selectedClass : '') +
(selectable ? ' ' + renderer.defaultClass : '') +
((drawDate.getDay() || 7) < 6 ? '' : ' ' + renderer.weekendClass) +
(drawDate.getMonth() + 1 == month ? '' : ' ' + renderer.otherMonthClass) +
(drawDate.getTime() == today.getTime() && (drawDate.getMonth() + 1) == month ?
' ' + renderer.todayClass : '') +
(drawDate.getTime() == inst.drawDate.getTime() && (drawDate.getMonth() + 1) == month ?
' ' + renderer.highlightedClass : '') + '"' +
(dateInfo.title || (dayStatus && selectable) ? ' title="' +
(dateInfo.title || $.datepick.formatDate(
dayStatus, drawDate, inst.getConfig())) + '"' : '') + '>' +
(showOtherMonths || (drawDate.getMonth() + 1) == month ?
dateInfo.content || drawDate.getDate() : ' ') +
(selectable ? '</a>' : '</span>'));
$.datepick.add(drawDate, 1, 'd');
ts = drawDate.getTime();
}
weeks += this._prepare(renderer.week, inst).replace(/\{days\}/g, days).
replace(/\{weekOfYear\}/g, weekOfYear);
}
var monthHeader = this._prepare(renderer.month, inst).match(/\{monthHeader(:[^\}]+)?\}/);
monthHeader = (monthHeader[0].length <= 13 ? 'MM yyyy' :
monthHeader[0].substring(13, monthHeader[0].length - 1));
monthHeader = (first ? this._generateMonthSelection(
inst, year, month, minDate, maxDate, monthHeader, renderer) :
$.datepick.formatDate(monthHeader, $.datepick.newDate(year, month, 1), inst.getConfig()));
var weekHeader = this._prepare(renderer.weekHeader, inst).
replace(/\{days\}/g, this._generateDayHeaders(inst, renderer));
return this._prepare(renderer.month, inst).replace(/\{monthHeader(:[^\}]+)?\}/g, monthHeader).
replace(/\{weekHeader\}/g, weekHeader).replace(/\{weeks\}/g, weeks);
},
/* Generate the HTML for the day headers.
@param inst (object) the current instance settings
@param renderer (object) the rendering templates
@return (string) a week's worth of day headers */
_generateDayHeaders: function(inst, renderer) {
var firstDay = inst.get('firstDay');
var dayNames = inst.get('dayNames');
var dayNamesMin = inst.get('dayNamesMin');
var header = '';
for (var day = 0; day < 7; day++) {
var dow = (day + firstDay) % 7;
header += this._prepare(renderer.dayHeader, inst).replace(/\{day\}/g,
'<span class="' + this._curDoWClass + dow + '" title="' +
dayNames[dow] + '">' + dayNamesMin[dow] + '</span>');
}
return header;
},
/* Generate selection controls for month.
@param inst (object) the current instance settings
@param year (number) the year to generate
@param month (number) the month to generate
@param minDate (CDate) the minimum date allowed
@param maxDate (CDate) the maximum date allowed
@param monthHeader (string) the month/year format
@return (string) the month selection content */
_generateMonthSelection: function(inst, year, month, minDate, maxDate, monthHeader) {
if (!inst.get('changeMonth')) {
return $.datepick.formatDate(
monthHeader, $.datepick.newDate(year, month, 1), inst.getConfig());
}
// Months
var monthNames = inst.get('monthNames' + (monthHeader.match(/mm/i) ? '' : 'Short'));
var html = monthHeader.replace(/m+/i, '\\x2E').replace(/y+/i, '\\x2F');
var selector = '<select class="' + this._monthYearClass +
'" title="' + inst.get('monthStatus') + '">';
for (var m = 1; m <= 12; m++) {
if ((!minDate || $.datepick.newDate(year, m, $.datepick.daysInMonth(year, m)).
getTime() >= minDate.getTime()) &&
(!maxDate || $.datepick.newDate(year, m, 1).getTime() <= maxDate.getTime())) {
selector += '<option value="' + m + '/' + year + '"' +
(month == m ? ' selected="selected"' : '') + '>' +
monthNames[m - 1] + '</option>';
}
}
selector += '</select>';
html = html.replace(/\\x2E/, selector);
// Years
var yearRange = inst.get('yearRange');
if (yearRange == 'any') {
selector = '<select class="' + this._monthYearClass + ' ' + this._anyYearClass +
'" title="' + inst.get('yearStatus') + '">' +
'<option>' + year + '</option></select>' +
'<input class="' + this._monthYearClass + ' ' + this._curMonthClass +
month + '" value="' + year + '">';
}
else {
yearRange = yearRange.split(':');
var todayYear = $.datepick.today().getFullYear();
var start = (yearRange[0].match('c[+-].*') ? year + parseInt(yearRange[0].substring(1), 10) :
((yearRange[0].match('[+-].*') ? todayYear : 0) + parseInt(yearRange[0], 10)));
var end = (yearRange[1].match('c[+-].*') ? year + parseInt(yearRange[1].substring(1), 10) :
((yearRange[1].match('[+-].*') ? todayYear : 0) + parseInt(yearRange[1], 10)));
selector = '<select class="' + this._monthYearClass +
'" title="' + inst.get('yearStatus') + '">';
start = $.datepick.add($.datepick.newDate(start + 1, 1, 1), -1, 'd');
end = $.datepick.newDate(end, 1, 1);
var addYear = function(y) {
if (y != 0) {
selector += '<option value="' + month + '/' + y + '"' +
(year == y ? ' selected="selected"' : '') + '>' + y + '</option>';
}
};
if (start.getTime() < end.getTime()) {
start = (minDate && minDate.getTime() > start.getTime() ? minDate : start).getFullYear();
end = (maxDate && maxDate.getTime() < end.getTime() ? maxDate : end).getFullYear();
for (var y = start; y <= end; y++) {
addYear(y);
}
}
else {
start = (maxDate && maxDate.getTime() < start.getTime() ? maxDate : start).getFullYear();
end = (minDate && minDate.getTime() > end.getTime() ? minDate : end).getFullYear();
for (var y = start; y >= end; y--) {
addYear(y);
}
}
selector += '</select>';
}
html = html.replace(/\\x2F/, selector);
return html;
},
/* Prepare a render template for use.
Exclude popup/inline sections that are not applicable.
Localise text of the form: {l10n:name}.
@param text (string) the text to localise
@param inst (object) the current instance settings
@return (string) the localised text */
_prepare: function(text, inst) {
var replaceSection = function(type, retain) {
while (true) {
var start = text.indexOf('{' + type + ':start}');
if (start == -1) {
return;
}
var end = text.substring(start).indexOf('{' + type + ':end}');
if (end > -1) {
text = text.substring(0, start) +
(retain ? text.substr(start + type.length + 8, end - type.length - 8) : '') +
text.substring(start + end + type.length + 6);
}
}
};
replaceSection('inline', inst.inline);
replaceSection('popup', !inst.inline);
var pattern = /\{l10n:([^\}]+)\}/;
var matches = null;
while (matches = pattern.exec(text)) {
text = text.replace(matches[0], inst.get(matches[1]));
}
return text;
}
});
/* jQuery extend now ignores nulls!
@param target (object) the object to extend
@param props (object) the new settings
@return (object) the updated object */
function extendRemove(target, props) {
$.extend(target, props);
for (var name in props)
if (props[name] == null || props[name] == undefined)
target[name] = props[name];
return target;
};
/* Attach the datepicker functionality to a jQuery selection.
@param command (string) the command to run (optional, default 'attach')
@param options (object) the new settings to use for these instances (optional)
@return (jQuery) for chaining further calls */
$.fn.datepick = function(options) {
var otherArgs = Array.prototype.slice.call(arguments, 1);
if ($.inArray(options, ['getDate', 'isDisabled', 'isSelectable', 'options', 'retrieveDate']) > -1) {
return $.datepick[options].apply($.datepick, [this[0]].concat(otherArgs));
}
return this.each(function() {
if (typeof options == 'string') {
$.datepick[options].apply($.datepick, [this].concat(otherArgs));
}
else {
$.datepick._attachPicker(this, options || {});
}
});
};
/* Initialise the datepicker functionality. */
$.datepick = new Datepicker(); // singleton instance
$(function() {
$(document).mousedown($.datepick._checkExternalClick).
resize(function() { $.datepick.hide($.datepick.curInst); });
});
})(jQuery);
 |
| A simple jQuery date picker |
download latest version of jquery.js file from jquery site.
and copy listed below code:
index.html
=========================
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>A Simple jQuery Datepicker</title>
<style type="text/css">
@import "css/jquery.datepick.css";
</style>
<script type="text/javascript" src="js/jquery-1.6.3.min.js"></script>
<script type="text/javascript" src="js/jquery.datepick.js"></script>
<script type="text/javascript">
$(function() {
$('#myDate').datepick({dateFormat: 'mm-dd-yyyy'});
});
</script>
</head>
<body>
<p>Select date:<input type="text" id="myDate"></p>
</body>
</html>
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
jquery.datepick.css
============================
.datepick {
background-color: #fff;
color: #000;
border: 1px solid #444;
border-radius: 0.25em;
-moz-border-radius: 0.25em;
-webkit-border-radius: 0.25em;
font-family: Arial,Helvetica,Sans-serif;
font-size: 90%;
}
.datepick-rtl {
direction: rtl;
}
.datepick-popup {
z-index: 1000;
}
.datepick-disable {
position: absolute;
z-index: 100;
background-color: white;
opacity: 0.5;
filter: alpha(opacity=50);
}
.datepick a {
color: #fff;
text-decoration: none;
}
.datepick a.datepick-disabled {
color: #888;
cursor: auto;
}
.datepick button {
margin: 0.25em;
padding: 0.125em 0em;
background-color: #fcc;
border: none;
border-radius: 0.25em;
-moz-border-radius: 0.25em;
-webkit-border-radius: 0.25em;
font-weight: bold;
}
.datepick-nav, .datepick-ctrl {
float: left;
width: 100%;
background-color: #000;
color: #fff;
font-size: 90%;
font-weight: bold;
}
.datepick-ctrl {
background-color: #600;
}
.datepick-cmd {
width: 30%;
}
.datepick-cmd:hover {
background-color: #777;
}
.datepick-ctrl .datepick-cmd:hover {
background-color: #f08080;
}
.datepick-cmd-prevJump, .datepick-cmd-nextJump {
width: 8%;
}
a.datepick-cmd {
height: 1.5em;
}
button.datepick-cmd {
text-align: center;
}
.datepick-cmd-prev, .datepick-cmd-prevJump, .datepick-cmd-clear {
float: left;
padding-left: 2%;
}
.datepick-cmd-current, .datepick-cmd-today {
float: left;
width: 35%;
text-align: center;
}
.datepick-cmd-next, .datepick-cmd-nextJump, .datepick-cmd-close {
float: right;
padding-right: 2%;
text-align: right;
}
.datepick-rtl .datepick-cmd-prev, .datepick-rtl .datepick-cmd-prevJump,
.datepick-rtl .datepick-cmd-clear {
float: right;
padding-left: 0%;
padding-right: 2%;
text-align: right;
}
.datepick-rtl .datepick-cmd-current, .datepick-rtl .datepick-cmd-today {
float: right;
}
.datepick-rtl .datepick-cmd-next, .datepick-rtl .datepick-cmd-nextJump,
.datepick-rtl .datepick-cmd-close {
float: left;
padding-left: 2%;
padding-right: 0%;
text-align: left;
}
.datepick-month-nav {
float: left;
background-color: #777;
text-align: center;
}
.datepick-month-nav div {
float: left;
width: 12.5%;
margin: 1%;
padding: 1%;
}
.datepick-month-nav span {
color: #888;
}
.datepick-month-row {
clear: left;
}
.datepick-month {
float: left;
width: 15em;
border: 1px solid #444;
text-align: center;
}
.datepick-month-header, .datepick-month-header select, .datepick-month-header input {
height: 1.5em;
background-color: #444;
color: #fff;
font-weight: bold;
}
.datepick-month-header select, .datepick-month-header input {
height: 1.4em;
border: none;
}
.datepick-month-header input {
position: absolute;
display: none;
}
.datepick-month table {
width: 100%;
border-collapse: collapse;
}
.datepick-month thead {
border-bottom: 1px solid #aaa;
}
.datepick-month th, .datepick-month td {
margin: 0em;
padding: 0em;
font-weight: normal;
text-align: center;
}
.datepick-month th {
border: 1px solid #777;
}
.datepick-month th, .datepick-month th a {
background-color: #777;
color: #fff;
}
.datepick-month td {
background-color: #eee;
border: 1px solid #aaa;
}
.datepick-month td.datepick-week {
border: 1px solid #777;
}
.datepick-month td.datepick-week * {
background-color: #777;
color: #fff;
border: none;
}
.datepick-month a {
display: block;
width: 100%;
padding: 0.125em 0em;
background-color: #eee;
color: #000;
text-decoration: none;
}
.datepick-month span {
display: block;
width: 100%;
padding: 0.125em 0em;
}
.datepick-month td span {
color: #888;
}
.datepick-month td .datepick-other-month {
background-color: #fff;
}
.datepick-month td .datepick-weekend {
background-color: #ddd;
}
.datepick-month td .datepick-today {
background-color: #f0c0c0;
}
.datepick-month td .datepick-highlight {
background-color: #f08080;
}
.datepick-month td .datepick-selected {
background-color: #777;
color: #fff;
}
.datepick-month th.datepick-week {
background-color: #777;
color: #fff;
}
.datepick-status {
clear: both;
background-color: #ddd;
text-align: center;
}
.datepick-clear-fix {
clear: both;
}
.datepick-cover {
display: none;
display/**/: block;
position: absolute;
z-index: -1;
filter: mask();
top: -1px;
left: -1px;
width: 100px;
height: 100px;
}
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
jquery.datepick.js
============================
// for more see http://keith-wood.name/datepick.html
(function($) { // Hide scope, no $ conflict
/* Datepicker manager. */
function Datepicker() {
this._defaults = {
pickerClass: '', // CSS class to add to this instance of the datepicker
showOnFocus: true, // True for popup on focus, false for not
showTrigger: null, // Element to be cloned for a trigger, null for none
showAnim: 'show', // Name of jQuery animation for popup, '' for no animation
showOptions: {}, // Options for enhanced animations
showSpeed: 'normal', // Duration of display/closure
popupContainer: null, // The element to which a popup calendar is added, null for body
alignment: 'bottom', // Alignment of popup - with nominated corner of input:
// 'top' or 'bottom' aligns depending on language direction,
// 'topLeft', 'topRight', 'bottomLeft', 'bottomRight'
fixedWeeks: false, // True to always show 6 weeks, false to only show as many as are needed
firstDay: 0, // First day of the week, 0 = Sunday, 1 = Monday, ...
calculateWeek: this.iso8601Week, // Calculate week of the year from a date, null for ISO8601
monthsToShow: 1, // How many months to show, cols or [rows, cols]
monthsOffset: 0, // How many months to offset the primary month by;
// may be a function that takes the date and returns the offset
monthsToStep: 1, // How many months to move when prev/next clicked
monthsToJump: 12, // How many months to move when large prev/next clicked
useMouseWheel: true, // True to use mousewheel if available, false to never use it
changeMonth: true, // True to change month/year via drop-down, false for navigation only
yearRange: 'c-10:c+10', // Range of years to show in drop-down: 'any' for direct text entry
// or 'start:end', where start/end are '+-nn' for relative to today
// or 'c+-nn' for relative to the currently selected date
// or 'nnnn' for an absolute year
shortYearCutoff: '+10', // Cutoff for two-digit year in the current century
showOtherMonths: false, // True to show dates from other months, false to not show them
selectOtherMonths: false, // True to allow selection of dates from other months too
defaultDate: null, // Date to show if no other selected
selectDefaultDate: false, // True to pre-select the default date if no other is chosen
minDate: null, // The minimum selectable date
maxDate: null, // The maximum selectable date
dateFormat: 'mm/dd/yyyy', // Format for dates
autoSize: false, // True to size the input field according to the date format
rangeSelect: false, // Allows for selecting a date range on one date picker
rangeSeparator: ' - ', // Text between two dates in a range
multiSelect: 0, // Maximum number of selectable dates, zero for single select
multiSeparator: ',', // Text between multiple dates
onDate: null, // Callback as a date is added to the datepicker
onShow: null, // Callback just before a datepicker is shown
onChangeMonthYear: null, // Callback when a new month/year is selected
onSelect: null, // Callback when a date is selected
onClose: null, // Callback when a datepicker is closed
altField: null, // Alternate field to update in synch with the datepicker
altFormat: null, // Date format for alternate field, defaults to dateFormat
constrainInput: true, // True to constrain typed input to dateFormat allowed characters
commandsAsDateFormat: false, // True to apply formatDate to the command texts
commands: this.commands // Command actions that may be added to a layout by name
};
this.regional = {
'': { // US/English
monthNames: ['January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December'],
monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
dayNamesMin: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
dateFormat: 'mm/dd/yyyy', // See options on formatDate
firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
renderer: this.defaultRenderer, // The rendering templates
prevText: '<Prev', // Text for the previous month command
prevStatus: 'Show the previous month', // Status text for the previous month command
prevJumpText: '<<', // Text for the previous year command
prevJumpStatus: 'Show the previous year', // Status text for the previous year command
nextText: 'Next>', // Text for the next month command
nextStatus: 'Show the next month', // Status text for the next month command
nextJumpText: '>>', // Text for the next year command
nextJumpStatus: 'Show the next year', // Status text for the next year command
currentText: 'Current', // Text for the current month command
currentStatus: 'Show the current month', // Status text for the current month command
todayText: 'Today', // Text for the today's month command
todayStatus: 'Show today\'s month', // Status text for the today's month command
clearText: 'Clear', // Text for the clear command
clearStatus: 'Clear all the dates', // Status text for the clear command
closeText: 'Close', // Text for the close command
closeStatus: 'Close the datepicker', // Status text for the close command
yearStatus: 'Change the year', // Status text for year selection
monthStatus: 'Change the month', // Status text for month selection
weekText: 'Wk', // Text for week of the year column header
weekStatus: 'Week of the year', // Status text for week of the year column header
dayStatus: 'Select DD, M d, yyyy', // Status text for selectable days
defaultStatus: 'Select a date', // Status text shown by default
isRTL: false // True if language is right-to-left
}};
$.extend(this._defaults, this.regional['']);
this._disabled = [];
}
$.extend(Datepicker.prototype, {
dataName: 'datepick',
/* Class name added to elements to indicate already configured with datepicker. */
markerClass: 'hasDatepick',
_popupClass: 'datepick-popup', // Marker for popup division
_triggerClass: 'datepick-trigger', // Marker for trigger element
_disableClass: 'datepick-disable', // Marker for disabled element
_coverClass: 'datepick-cover', // Marker for iframe backing element
_monthYearClass: 'datepick-month-year', // Marker for month/year inputs
_curMonthClass: 'datepick-month-', // Marker for current month/year
_anyYearClass: 'datepick-any-year', // Marker for year direct input
_curDoWClass: 'datepick-dow-', // Marker for day of week
commands: { // Command actions that may be added to a layout by name
// name: { // The command name, use '{button:name}' or '{link:name}' in layouts
// text: '', // The field in the regional settings for the displayed text
// status: '', // The field in the regional settings for the status text
// // The keystroke to trigger the action
// keystroke: {keyCode: nn, ctrlKey: boolean, altKey: boolean, shiftKey: boolean},
// enabled: fn, // The function that indicates the command is enabled
// date: fn, // The function to get the date associated with this action
// action: fn} // The function that implements the action
prev: {text: 'prevText', status: 'prevStatus', // Previous month
keystroke: {keyCode: 33}, // Page up
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.day(
$.datepick._applyMonthsOffset($.datepick.add($.datepick.newDate(inst.drawDate),
1 - inst.get('monthsToStep'), 'm'), inst), 1), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), -inst.get('monthsToStep'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, -inst.get('monthsToStep')); }
},
prevJump: {text: 'prevJumpText', status: 'prevJumpStatus', // Previous year
keystroke: {keyCode: 33, ctrlKey: true}, // Ctrl + Page up
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.day(
$.datepick._applyMonthsOffset($.datepick.add($.datepick.newDate(inst.drawDate),
1 - inst.get('monthsToJump'), 'm'), inst), 1), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), -inst.get('monthsToJump'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, -inst.get('monthsToJump')); }
},
next: {text: 'nextText', status: 'nextStatus', // Next month
keystroke: {keyCode: 34}, // Page down
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToStep'), 'm'), inst), 1).
getTime() <= maxDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToStep'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, inst.get('monthsToStep')); }
},
nextJump: {text: 'nextJumpText', status: 'nextJumpStatus', // Next year
keystroke: {keyCode: 34, ctrlKey: true}, // Ctrl + Page down
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToJump'), 'm'), inst), 1).
getTime() <= maxDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick._applyMonthsOffset($.datepick.add(
$.datepick.newDate(inst.drawDate), inst.get('monthsToJump'), 'm'), inst), 1); },
action: function(inst) {
$.datepick.changeMonth(this, inst.get('monthsToJump')); }
},
current: {text: 'currentText', status: 'currentStatus', // Current month
keystroke: {keyCode: 36, ctrlKey: true}, // Ctrl + Home
enabled: function(inst) {
var minDate = inst.curMinDate();
var maxDate = inst.get('maxDate');
var curDate = inst.selectedDates[0] || $.datepick.today();
return (!minDate || curDate.getTime() >= minDate.getTime()) &&
(!maxDate || curDate.getTime() <= maxDate.getTime()); },
date: function(inst) {
return inst.selectedDates[0] || $.datepick.today(); },
action: function(inst) {
var curDate = inst.selectedDates[0] || $.datepick.today();
$.datepick.showMonth(this, curDate.getFullYear(), curDate.getMonth() + 1); }
},
today: {text: 'todayText', status: 'todayStatus', // Today's month
keystroke: {keyCode: 36, ctrlKey: true}, // Ctrl + Home
enabled: function(inst) {
var minDate = inst.curMinDate();
var maxDate = inst.get('maxDate');
return (!minDate || $.datepick.today().getTime() >= minDate.getTime()) &&
(!maxDate || $.datepick.today().getTime() <= maxDate.getTime()); },
date: function(inst) { return $.datepick.today(); },
action: function(inst) { $.datepick.showMonth(this); }
},
clear: {text: 'clearText', status: 'clearStatus', // Clear the datepicker
keystroke: {keyCode: 35, ctrlKey: true}, // Ctrl + End
enabled: function(inst) { return true; },
date: function(inst) { return null; },
action: function(inst) { $.datepick.clear(this); }
},
close: {text: 'closeText', status: 'closeStatus', // Close the datepicker
keystroke: {keyCode: 27}, // Escape
enabled: function(inst) { return true; },
date: function(inst) { return null; },
action: function(inst) { $.datepick.hide(this); }
},
prevWeek: {text: 'prevWeekText', status: 'prevWeekStatus', // Previous week
keystroke: {keyCode: 38, ctrlKey: true}, // Ctrl + Up
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.newDate(inst.drawDate), -7, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), -7, 'd'); },
action: function(inst) { $.datepick.changeDay(this, -7); }
},
prevDay: {text: 'prevDayText', status: 'prevDayStatus', // Previous day
keystroke: {keyCode: 37, ctrlKey: true}, // Ctrl + Left
enabled: function(inst) {
var minDate = inst.curMinDate();
return (!minDate || $.datepick.add($.datepick.newDate(inst.drawDate), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), -1, 'd'); },
action: function(inst) { $.datepick.changeDay(this, -1); }
},
nextDay: {text: 'nextDayText', status: 'nextDayStatus', // Next day
keystroke: {keyCode: 39, ctrlKey: true}, // Ctrl + Right
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.add($.datepick.newDate(inst.drawDate), 1, 'd').
getTime() <= maxDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), 1, 'd'); },
action: function(inst) { $.datepick.changeDay(this, 1); }
},
nextWeek: {text: 'nextWeekText', status: 'nextWeekStatus', // Next week
keystroke: {keyCode: 40, ctrlKey: true}, // Ctrl + Down
enabled: function(inst) {
var maxDate = inst.get('maxDate');
return (!maxDate || $.datepick.add($.datepick.newDate(inst.drawDate), 7, 'd').
getTime() <= maxDate.getTime()); },
date: function(inst) { return $.datepick.add($.datepick.newDate(inst.drawDate), 7, 'd'); },
action: function(inst) { $.datepick.changeDay(this, 7); }
}
},
/* Default template for generating a datepicker. */
defaultRenderer: {
// Anywhere: '{l10n:name}' to insert localised value for name,
// '{link:name}' to insert a link trigger for command name,
// '{button:name}' to insert a button trigger for command name,
// '{popup:start}...{popup:end}' to mark a section for inclusion in a popup datepicker only,
// '{inline:start}...{inline:end}' to mark a section for inclusion in an inline datepicker only
// Overall structure: '{months}' to insert calendar months
picker: '<div class="datepick">' +
'<div class="datepick-nav">{link:prev}{link:today}{link:next}</div>{months}' +
'{popup:start}<div class="datepick-ctrl">{link:clear}{link:close}</div>{popup:end}' +
'<div class="datepick-clear-fix"></div></div>',
// One row of months: '{months}' to insert calendar months
monthRow: '<div class="datepick-month-row">{months}</div>',
// A single month: '{monthHeader:dateFormat}' to insert the month header -
// dateFormat is optional and defaults to 'MM yyyy',
// '{weekHeader}' to insert a week header, '{weeks}' to insert the month's weeks
month: '<div class="datepick-month"><div class="datepick-month-header">{monthHeader}</div>' +
'<table><thead>{weekHeader}</thead><tbody>{weeks}</tbody></table></div>',
// A week header: '{days}' to insert individual day names
weekHeader: '<tr>{days}</tr>',
// Individual day header: '{day}' to insert day name
dayHeader: '<th>{day}</th>',
// One week of the month: '{days}' to insert the week's days, '{weekOfYear}' to insert week of year
week: '<tr>{days}</tr>',
// An individual day: '{day}' to insert day value
day: '<td>{day}</td>',
// jQuery selector, relative to picker, for a single month
monthSelector: '.datepick-month',
// jQuery selector, relative to picker, for individual days
daySelector: 'td',
// Class for right-to-left (RTL) languages
rtlClass: 'datepick-rtl',
// Class for multi-month datepickers
multiClass: 'datepick-multi',
// Class for selectable dates
defaultClass: '',
// Class for currently selected dates
selectedClass: 'datepick-selected',
// Class for highlighted dates
highlightedClass: 'datepick-highlight',
// Class for today
todayClass: 'datepick-today',
// Class for days from other months
otherMonthClass: 'datepick-other-month',
// Class for days on weekends
weekendClass: 'datepick-weekend',
// Class prefix for commands
commandClass: 'datepick-cmd',
// Extra class(es) for commands that are buttons
commandButtonClass: '',
// Extra class(es) for commands that are links
commandLinkClass: '',
// Class for disabled commands
disabledClass: 'datepick-disabled'
},
/* Override the default settings for all datepicker instances.
@param settings (object) the new settings to use as defaults
@return (Datepicker) this object */
setDefaults: function(settings) {
$.extend(this._defaults, settings || {});
return this;
},
_ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
_msPerDay: 24 * 60 * 60 * 1000,
ATOM: 'yyyy-mm-dd', // RFC 3339/ISO 8601
COOKIE: 'D, dd M yyyy',
FULL: 'DD, MM d, yyyy',
ISO_8601: 'yyyy-mm-dd',
JULIAN: 'J',
RFC_822: 'D, d M yy',
RFC_850: 'DD, dd-M-yy',
RFC_1036: 'D, d M yy',
RFC_1123: 'D, d M yyyy',
RFC_2822: 'D, d M yyyy',
RSS: 'D, d M yy', // RFC 822
TICKS: '!',
TIMESTAMP: '@',
W3C: 'yyyy-mm-dd', // ISO 8601
/* Format a date object into a string value.
The format can be combinations of the following:
d - day of month (no leading zero)
dd - day of month (two digit)
o - day of year (no leading zeros)
oo - day of year (three digit)
D - day name short
DD - day name long
w - week of year (no leading zero)
ww - week of year (two digit)
m - month of year (no leading zero)
mm - month of year (two digit)
M - month name short
MM - month name long
yy - year (two digit)
yyyy - year (four digit)
@ - Unix timestamp (s since 01/01/1970)
! - Windows ticks (100ns since 01/01/0001)
'...' - literal text
'' - single quote
@param format (string) the desired format of the date (optional, default datepicker format)
@param date (Date) the date value to format
@param settings (object) attributes include:
dayNamesShort (string[]) abbreviated names of the days from Sunday (optional)
dayNames (string[]) names of the days from Sunday (optional)
monthNamesShort (string[]) abbreviated names of the months (optional)
monthNames (string[]) names of the months (optional)
calculateWeek (function) function that determines week of the year (optional)
@return (string) the date in the above format */
formatDate: function(format, date, settings) {
if (typeof format != 'string') {
settings = date;
date = format;
format = '';
}
if (!date) {
return '';
}
format = format || this._defaults.dateFormat;
settings = settings || {};
var dayNamesShort = settings.dayNamesShort || this._defaults.dayNamesShort;
var dayNames = settings.dayNames || this._defaults.dayNames;
var monthNamesShort = settings.monthNamesShort || this._defaults.monthNamesShort;
var monthNames = settings.monthNames || this._defaults.monthNames;
var calculateWeek = settings.calculateWeek || this._defaults.calculateWeek;
// Check whether a format character is doubled
var doubled = function(match, step) {
var matches = 1;
while (iFormat + matches < format.length && format.charAt(iFormat + matches) == match) {
matches++;
}
iFormat += matches - 1;
return Math.floor(matches / (step || 1)) > 1;
};
// Format a number, with leading zeroes if necessary
var formatNumber = function(match, value, len, step) {
var num = '' + value;
if (doubled(match, step)) {
while (num.length < len) {
num = '0' + num;
}
}
return num;
};
// Format a name, short or long as requested
var formatName = function(match, value, shortNames, longNames) {
return (doubled(match) ? longNames[value] : shortNames[value]);
};
var output = '';
var literal = false;
for (var iFormat = 0; iFormat < format.length; iFormat++) {
if (literal) {
if (format.charAt(iFormat) == "'" && !doubled("'")) {
literal = false;
}
else {
output += format.charAt(iFormat);
}
}
else {
switch (format.charAt(iFormat)) {
case 'd': output += formatNumber('d', date.getDate(), 2); break;
case 'D': output += formatName('D', date.getDay(),
dayNamesShort, dayNames); break;
case 'o': output += formatNumber('o', this.dayOfYear(date), 3); break;
case 'w': output += formatNumber('w', calculateWeek(date), 2); break;
case 'm': output += formatNumber('m', date.getMonth() + 1, 2); break;
case 'M': output += formatName('M', date.getMonth(),
monthNamesShort, monthNames); break;
case 'y':
output += (doubled('y', 2) ? date.getFullYear() :
(date.getFullYear() % 100 < 10 ? '0' : '') + date.getFullYear() % 100);
break;
case '@': output += Math.floor(date.getTime() / 1000); break;
case '!': output += date.getTime() * 10000 + this._ticksTo1970; break;
case "'":
if (doubled("'")) {
output += "'";
}
else {
literal = true;
}
break;
default:
output += format.charAt(iFormat);
}
}
}
return output;
},
/* Parse a string value into a date object.
See formatDate for the possible formats, plus:
* - ignore rest of string
@param format (string) the expected format of the date ('' for default datepicker format)
@param value (string) the date in the above format
@param settings (object) attributes include:
shortYearCutoff (number) the cutoff year for determining the century (optional)
dayNamesShort (string[]) abbreviated names of the days from Sunday (optional)
dayNames (string[]) names of the days from Sunday (optional)
monthNamesShort (string[]) abbreviated names of the months (optional)
monthNames (string[]) names of the months (optional)
@return (Date) the extracted date value or null if value is blank
@throws errors if the format and/or value are missing,
if the value doesn't match the format,
or if the date is invalid */
parseDate: function(format, value, settings) {
if (value == null) {
throw 'Invalid arguments';
}
value = (typeof value == 'object' ? value.toString() : value + '');
if (value == '') {
return null;
}
format = format || this._defaults.dateFormat;
settings = settings || {};
var shortYearCutoff = settings.shortYearCutoff || this._defaults.shortYearCutoff;
shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
this.today().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
var dayNamesShort = settings.dayNamesShort || this._defaults.dayNamesShort;
var dayNames = settings.dayNames || this._defaults.dayNames;
var monthNamesShort = settings.monthNamesShort || this._defaults.monthNamesShort;
var monthNames = settings.monthNames || this._defaults.monthNames;
var year = -1;
var month = -1;
var day = -1;
var doy = -1;
var shortYear = false;
var literal = false;
// Check whether a format character is doubled
var doubled = function(match, step) {
var matches = 1;
while (iFormat + matches < format.length && format.charAt(iFormat + matches) == match) {
matches++;
}
iFormat += matches - 1;
return Math.floor(matches / (step || 1)) > 1;
};
// Extract a number from the string value
var getNumber = function(match, step) {
var isDoubled = doubled(match, step);
var size = [2, 3, isDoubled ? 4 : 2, 11, 20]['oy@!'.indexOf(match) + 1];
var digits = new RegExp('^-?\\d{1,' + size + '}');
var num = value.substring(iValue).match(digits);
if (!num) {
throw 'Missing number at position {0}'.replace(/\{0\}/, iValue);
}
iValue += num[0].length;
return parseInt(num[0], 10);
};
// Extract a name from the string value and convert to an index
var getName = function(match, shortNames, longNames, step) {
var names = (doubled(match, step) ? longNames : shortNames);
for (var i = 0; i < names.length; i++) {
if (value.substr(iValue, names[i].length) == names[i]) {
iValue += names[i].length;
return i + 1;
}
}
throw 'Unknown name at position {0}'.replace(/\{0\}/, iValue);
};
// Confirm that a literal character matches the string value
var checkLiteral = function() {
if (value.charAt(iValue) != format.charAt(iFormat)) {
throw 'Unexpected literal at position {0}'.replace(/\{0\}/, iValue);
}
iValue++;
};
var iValue = 0;
for (var iFormat = 0; iFormat < format.length; iFormat++) {
if (literal) {
if (format.charAt(iFormat) == "'" && !doubled("'")) {
literal = false;
}
else {
checkLiteral();
}
}
else {
switch (format.charAt(iFormat)) {
case 'd': day = getNumber('d'); break;
case 'D': getName('D', dayNamesShort, dayNames); break;
case 'o': doy = getNumber('o'); break;
case 'w': getNumber('w'); break;
case 'm': month = getNumber('m'); break;
case 'M': month = getName('M', monthNamesShort, monthNames); break;
case 'y':
var iSave = iFormat;
shortYear = !doubled('y', 2);
iFormat = iSave;
year = getNumber('y', 2);
break;
case '@':
var date = this._normaliseDate(new Date(getNumber('@') * 1000));
year = date.getFullYear();
month = date.getMonth() + 1;
day = date.getDate();
break;
case '!':
var date = this._normaliseDate(
new Date((getNumber('!') - this._ticksTo1970) / 10000));
year = date.getFullYear();
month = date.getMonth() + 1;
day = date.getDate();
break;
case '*': iValue = value.length; break;
case "'":
if (doubled("'")) {
checkLiteral();
}
else {
literal = true;
}
break;
default: checkLiteral();
}
}
}
if (iValue < value.length) {
throw 'Additional text found at end';
}
if (year == -1) {
year = this.today().getFullYear();
}
else if (year < 100 && shortYear) {
year += (shortYearCutoff == -1 ? 1900 : this.today().getFullYear() -
this.today().getFullYear() % 100 - (year <= shortYearCutoff ? 0 : 100));
}
if (doy > -1) {
month = 1;
day = doy;
for (var dim = this.daysInMonth(year, month); day > dim;
dim = this.daysInMonth(year, month)) {
month++;
day -= dim;
}
}
var date = this.newDate(year, month, day);
if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day) {
throw 'Invalid date';
}
return date;
},
/* A date may be specified as an exact value or a relative one.
@param dateSpec (Date or number or string) the date as an object or string
in the given format or an offset - numeric days from today,
or string amounts and periods, e.g. '+1m +2w'
@param defaultDate (Date) the date to use if no other supplied, may be null
@param currentDate (Date) the current date as a possible basis for relative dates,
if null today is used (optional)
@param dateFormat (string) the expected date format - see formatDate above (optional)
@param settings (object) attributes include:
shortYearCutoff (number) the cutoff year for determining the century (optional)
dayNamesShort (string[7]) abbreviated names of the days from Sunday (optional)
dayNames (string[7]) names of the days from Sunday (optional)
monthNamesShort (string[12]) abbreviated names of the months (optional)
monthNames (string[12]) names of the months (optional)
@return (Date) the decoded date */
determineDate: function(dateSpec, defaultDate, currentDate, dateFormat, settings) {
if (currentDate && typeof currentDate != 'object') {
settings = dateFormat;
dateFormat = currentDate;
currentDate = null;
}
if (typeof dateFormat != 'string') {
settings = dateFormat;
dateFormat = '';
}
var offsetString = function(offset) {
try {
return $.datepick.parseDate(dateFormat, offset, settings);
}
catch (e) {
// Ignore
}
offset = offset.toLowerCase();
var date = (offset.match(/^c/) && currentDate ? $.datepick.newDate(currentDate) : null) ||
$.datepick.today();
var pattern = /([+-]?[0-9]+)\s*(d|w|m|y)?/g;
var matches = pattern.exec(offset);
while (matches) {
date = $.datepick.add(date, parseInt(matches[1], 10), matches[2] || 'd');
matches = pattern.exec(offset);
}
return date;
};
defaultDate = (defaultDate ? $.datepick.newDate(defaultDate) : null);
dateSpec = (dateSpec == null ? defaultDate :
(typeof dateSpec == 'string' ? offsetString(dateSpec) : (typeof dateSpec == 'number' ?
(isNaN(dateSpec) || dateSpec == Infinity || dateSpec == -Infinity ? defaultDate :
$.datepick.add($.datepick.today(), dateSpec, 'd')) : $.datepick.newDate(dateSpec))));
return dateSpec;
},
/* Find the number of days in a given month.
@param year (Date) the date to get days for or
(number) the full year
@param month (number) the month (1 to 12)
@return (number) the number of days in this month */
daysInMonth: function(year, month) {
month = (year.getFullYear ? year.getMonth() + 1 : month);
year = (year.getFullYear ? year.getFullYear() : year);
return this.newDate(year, month + 1, 0).getDate();
},
/* Calculate the day of the year for a date.
@param year (Date) the date to get the day-of-year for or
(number) the full year
@param month (number) the month (1-12)
@param day (number) the day
@return (number) the day of the year */
dayOfYear: function(year, month, day) {
var date = (year.getFullYear ? year : this.newDate(year, month, day));
var newYear = this.newDate(date.getFullYear(), 1, 1);
return Math.floor((date.getTime() - newYear.getTime()) / this._msPerDay) + 1;
},
/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
@param year (Date) the date to get the week for or
(number) the full year
@param month (number) the month (1-12)
@param day (number) the day
@return (number) the number of the week within the year that contains this date */
iso8601Week: function(year, month, day) {
var checkDate = (year.getFullYear ?
new Date(year.getTime()) : this.newDate(year, month, day));
// Find Thursday of this week starting on Monday
checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
var time = checkDate.getTime();
checkDate.setMonth(0, 1); // Compare with Jan 1
return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
},
/* Return today's date.
@return (Date) today */
today: function() {
return this._normaliseDate(new Date());
},
/* Return a new date.
@param year (Date) the date to clone or
(number) the year
@param month (number) the month (1-12)
@param day (number) the day
@return (Date) the date */
newDate: function(year, month, day) {
return (!year ? null : (year.getFullYear ? this._normaliseDate(new Date(year.getTime())) :
new Date(year, month - 1, day, 12)));
},
/* Standardise a date into a common format - time portion is 12 noon.
@param date (Date) the date to standardise
@return (Date) the normalised date */
_normaliseDate: function(date) {
if (date) {
date.setHours(12, 0, 0, 0);
}
return date;
},
/* Set the year for a date.
@param date (Date) the original date
@param year (number) the new year
@return the updated date */
year: function(date, year) {
date.setFullYear(year);
return this._normaliseDate(date);
},
/* Set the month for a date.
@param date (Date) the original date
@param month (number) the new month (1-12)
@return the updated date */
month: function(date, month) {
date.setMonth(month - 1);
return this._normaliseDate(date);
},
/* Set the day for a date.
@param date (Date) the original date
@param day (number) the new day of the month
@return the updated date */
day: function(date, day) {
date.setDate(day);
return this._normaliseDate(date);
},
/* Add a number of periods to a date.
@param date (Date) the original date
@param amount (number) the number of periods
@param period (string) the type of period d/w/m/y
@return the updated date */
add: function(date, amount, period) {
if (period == 'd' || period == 'w') {
this._normaliseDate(date);
date.setDate(date.getDate() + amount * (period == 'w' ? 7 : 1));
}
else {
var year = date.getFullYear() + (period == 'y' ? amount : 0);
var month = date.getMonth() + (period == 'm' ? amount : 0);
date.setTime($.datepick.newDate(year, month + 1,
Math.min(date.getDate(), this.daysInMonth(year, month + 1))).getTime());
}
return date;
},
/* Apply the months offset value to a date.
@param date (Date) the original date
@param inst (object) the current instance settings
@return (Date) the updated date */
_applyMonthsOffset: function(date, inst) {
var monthsOffset = inst.get('monthsOffset');
if ($.isFunction(monthsOffset)) {
monthsOffset = monthsOffset.apply(inst.target[0], [date]);
}
return $.datepick.add(date, -monthsOffset, 'm');
},
/* Attach the datepicker functionality to an input field.
@param target (element) the control to affect
@param settings (object) the custom options for this instance */
_attachPicker: function(target, settings) {
target = $(target);
if (target.hasClass(this.markerClass)) {
return;
}
target.addClass(this.markerClass);
var inst = {target: target, selectedDates: [], drawDate: null, pickingRange: false,
inline: ($.inArray(target[0].nodeName.toLowerCase(), ['div', 'span']) > -1),
get: function(name) { // Get a setting value, defaulting if necessary
var value = this.settings[name] !== undefined ?
this.settings[name] : $.datepick._defaults[name];
if ($.inArray(name, ['defaultDate', 'minDate', 'maxDate']) > -1) { // Decode date settings
value = $.datepick.determineDate(
value, null, this.selectedDates[0], this.get('dateFormat'), inst.getConfig());
}
return value;
},
curMinDate: function() {
return (this.pickingRange ? this.selectedDates[0] : this.get('minDate'));
},
getConfig: function() {
return {dayNamesShort: this.get('dayNamesShort'), dayNames: this.get('dayNames'),
monthNamesShort: this.get('monthNamesShort'), monthNames: this.get('monthNames'),
calculateWeek: this.get('calculateWeek'),
shortYearCutoff: this.get('shortYearCutoff')};
}
};
$.data(target[0], this.dataName, inst);
var inlineSettings = ($.fn.metadata ? target.metadata() : {});
inst.settings = $.extend({}, settings || {}, inlineSettings || {});
if (inst.inline) {
inst.drawDate = $.datepick._checkMinMax($.datepick.newDate(inst.selectedDates[0] ||
inst.get('defaultDate') || $.datepick.today()), inst);
inst.prevDate = $.datepick.newDate(inst.drawDate);
this._update(target[0]);
if ($.fn.mousewheel) {
target.mousewheel(this._doMouseWheel);
}
}
else {
this._attachments(target, inst);
target.bind('keydown.' + this.dataName, this._keyDown).
bind('keypress.' + this.dataName, this._keyPress).
bind('keyup.' + this.dataName, this._keyUp);
if (target.attr('disabled')) {
this.disable(target[0]);
}
}
},
/* Retrieve the settings for a datepicker control.
@param target (element) the control to affect
@param name (string) the name of the setting (optional)
@return (object) the current instance settings (name == 'all') or
(object) the default settings (no name) or
(any) the setting value (name supplied) */
options: function(target, name) {
var inst = $.data(target, this.dataName);
return (inst ? (name ? (name == 'all' ?
inst.settings : inst.settings[name]) : $.datepick._defaults) : {});
},
/* Reconfigure the settings for a datepicker control.
@param target (element) the control to affect
@param settings (object) the new options for this instance or
(string) an individual property name
@param value (any) the individual property value (omit if settings is an object) */
option: function(target, settings, value) {
target = $(target);
if (!target.hasClass(this.markerClass)) {
return;
}
settings = settings || {};
if (typeof settings == 'string') {
var name = settings;
settings = {};
settings[name] = value;
}
var inst = $.data(target[0], this.dataName);
var dates = inst.selectedDates;
extendRemove(inst.settings, settings);
this.setDate(target[0], dates, null, false, true);
inst.pickingRange = false;
inst.drawDate = $.datepick.newDate(this._checkMinMax(
(settings.defaultDate ? inst.get('defaultDate') : inst.drawDate) ||
inst.get('defaultDate') || $.datepick.today(), inst));
if (!inst.inline) {
this._attachments(target, inst);
}
if (inst.inline || inst.div) {
this._update(target[0]);
}
},
/* Attach events and trigger, if necessary.
@param target (jQuery) the control to affect
@param inst (object) the current instance settings */
_attachments: function(target, inst) {
target.unbind('focus.' + this.dataName);
if (inst.get('showOnFocus')) {
target.bind('focus.' + this.dataName, this.show);
}
if (inst.trigger) {
inst.trigger.remove();
}
var trigger = inst.get('showTrigger');
inst.trigger = (!trigger ? $([]) :
$(trigger).clone().removeAttr('id').addClass(this._triggerClass)
[inst.get('isRTL') ? 'insertBefore' : 'insertAfter'](target).
click(function() {
if (!$.datepick.isDisabled(target[0])) {
$.datepick[$.datepick.curInst == inst ?
'hide' : 'show'](target[0]);
}
}));
this._autoSize(target, inst);
var dates = this._extractDates(inst, target.val());
if (dates) {
this.setDate(target[0], dates, null, true);
}
if (inst.get('selectDefaultDate') && inst.get('defaultDate') &&
inst.selectedDates.length == 0) {
this.setDate(target[0], $.datepick.newDate(inst.get('defaultDate') || $.datepick.today()));
}
},
/* Apply the maximum length for the date format.
@param inst (object) the current instance settings */
_autoSize: function(target, inst) {
if (inst.get('autoSize') && !inst.inline) {
var date = $.datepick.newDate(2009, 10, 20); // Ensure double digits
var dateFormat = inst.get('dateFormat');
if (dateFormat.match(/[DM]/)) {
var findMax = function(names) {
var max = 0;
var maxI = 0;
for (var i = 0; i < names.length; i++) {
if (names[i].length > max) {
max = names[i].length;
maxI = i;
}
}
return maxI;
};
date.setMonth(findMax(inst.get(dateFormat.match(/MM/) ? // Longest month
'monthNames' : 'monthNamesShort')));
date.setDate(findMax(inst.get(dateFormat.match(/DD/) ? // Longest day
'dayNames' : 'dayNamesShort')) + 20 - date.getDay());
}
inst.target.attr('size', $.datepick.formatDate(dateFormat, date, inst.getConfig()).length);
}
},
/* Remove the datepicker functionality from a control.
@param target (element) the control to affect */
destroy: function(target) {
target = $(target);
if (!target.hasClass(this.markerClass)) {
return;
}
var inst = $.data(target[0], this.dataName);
if (inst.trigger) {
inst.trigger.remove();
}
target.removeClass(this.markerClass).empty().unbind('.' + this.dataName);
if (inst.inline && $.fn.mousewheel) {
target.unmousewheel();
}
if (!inst.inline && inst.get('autoSize')) {
target.removeAttr('size');
}
$.removeData(target[0], this.dataName);
},
/* Apply multiple event functions.
Usage, for example: onShow: multipleEvents(fn1, fn2, ...)
@param fns (function...) the functions to apply */
multipleEvents: function(fns) {
var funcs = arguments;
return function(args) {
for (var i = 0; i < funcs.length; i++) {
funcs[i].apply(this, arguments);
}
};
},
/* Enable the datepicker and any associated trigger.
@param target (element) the control to use */
enable: function(target) {
var $target = $(target);
if (!$target.hasClass(this.markerClass)) {
return;
}
var inst = $.data(target, this.dataName);
if (inst.inline)
$target.children('.' + this._disableClass).remove().end().
find('button,select').attr('disabled', '').end().
find('a').attr('href', 'javascript:void(0)');
else {
target.disabled = false;
inst.trigger.filter('button.' + this._triggerClass).
attr('disabled', '').end().
filter('img.' + this._triggerClass).
css({opacity: '1.0', cursor: ''});
}
this._disabled = $.map(this._disabled,
function(value) { return (value == target ? null : value); }); // Delete entry
},
/* Disable the datepicker and any associated trigger.
@param target (element) the control to use */
disable: function(target) {
var $target = $(target);
if (!$target.hasClass(this.markerClass))
return;
var inst = $.data(target, this.dataName);
if (inst.inline) {
var inline = $target.children(':last');
var offset = inline.offset();
var relOffset = {left: 0, top: 0};
inline.parents().each(function() {
if ($(this).css('position') == 'relative') {
relOffset = $(this).offset();
return false;
}
});
var zIndex = $target.css('zIndex');
zIndex = (zIndex == 'auto' ? 0 : parseInt(zIndex, 10)) + 1;
$target.prepend('<div class="' + this._disableClass + '" style="' +
'width: ' + inline.outerWidth() + 'px; height: ' + inline.outerHeight() +
'px; left: ' + (offset.left - relOffset.left) + 'px; top: ' +
(offset.top - relOffset.top) + 'px; z-index: ' + zIndex + '"></div>').
find('button,select').attr('disabled', 'disabled').end().
find('a').removeAttr('href');
}
else {
target.disabled = true;
inst.trigger.filter('button.' + this._triggerClass).
attr('disabled', 'disabled').end().
filter('img.' + this._triggerClass).
css({opacity: '0.5', cursor: 'default'});
}
this._disabled = $.map(this._disabled,
function(value) { return (value == target ? null : value); }); // Delete entry
this._disabled.push(target);
},
/* Is the first field in a jQuery collection disabled as a datepicker?
@param target (element) the control to examine
@return (boolean) true if disabled, false if enabled */
isDisabled: function(target) {
return (target && $.inArray(target, this._disabled) > -1);
},
/* Show a popup datepicker.
@param target (event) a focus event or
(element) the control to use */
show: function(target) {
target = target.target || target;
var inst = $.data(target, $.datepick.dataName);
if ($.datepick.curInst == inst) {
return;
}
if ($.datepick.curInst) {
$.datepick.hide($.datepick.curInst, true);
}
if (inst) {
// Retrieve existing date(s)
inst.lastVal = null;
inst.selectedDates = $.datepick._extractDates(inst, $(target).val());
inst.pickingRange = false;
inst.drawDate = $.datepick._checkMinMax($.datepick.newDate(inst.selectedDates[0] ||
inst.get('defaultDate') || $.datepick.today()), inst);
inst.prevDate = $.datepick.newDate(inst.drawDate);
$.datepick.curInst = inst;
// Generate content
$.datepick._update(target, true);
// Adjust position before showing
var offset = $.datepick._checkOffset(inst);
inst.div.css({left: offset.left, top: offset.top});
// And display
var showAnim = inst.get('showAnim');
var showSpeed = inst.get('showSpeed');
showSpeed = (showSpeed == 'normal' && $.ui && $.ui.version >= '1.8' ?
'_default' : showSpeed);
var postProcess = function() {
var cover = inst.div.find('.' + $.datepick._coverClass);
if (cover.length) {
var borders = $.datepick._getBorders(inst.div);
cover.css({left: -borders[0], top: -borders[1], // IE6- only
width: inst.div.outerWidth() + borders[0],
height: inst.div.outerHeight() + borders[1]});
}
};
if ($.effects && $.effects[showAnim]) {
var data = inst.div.data(); // Update old effects data
for (var key in data) {
if (key.match(/^ec\.storage\./)) {
data[key] = inst._mainDiv.css(key.replace(/ec\.storage\./, ''));
}
}
inst.div.data(data).show(showAnim, inst.get('showOptions'), showSpeed, postProcess);
}
else {
inst.div[showAnim || 'show']((showAnim ? showSpeed : ''), postProcess);
}
if (!showAnim) {
postProcess();
}
}
},
/* Extract possible dates from a string.
@param inst (object) the current instance settings
@param text (string) the text to extract from
@return (CDate[]) the extracted dates */
_extractDates: function(inst, datesText) {
if (datesText == inst.lastVal) {
return;
}
inst.lastVal = datesText;
var dateFormat = inst.get('dateFormat');
var multiSelect = inst.get('multiSelect');
var rangeSelect = inst.get('rangeSelect');
datesText = datesText.split(multiSelect ? inst.get('multiSeparator') :
(rangeSelect ? inst.get('rangeSeparator') : '\x00'));
var dates = [];
for (var i = 0; i < datesText.length; i++) {
try {
var date = $.datepick.parseDate(dateFormat, datesText[i], inst.getConfig());
if (date) {
var found = false;
for (var j = 0; j < dates.length; j++) {
if (dates[j].getTime() == date.getTime()) {
found = true;
break;
}
}
if (!found) {
dates.push(date);
}
}
}
catch (e) {
// Ignore
}
}
dates.splice(multiSelect || (rangeSelect ? 2 : 1), dates.length);
if (rangeSelect && dates.length == 1) {
dates[1] = dates[0];
}
return dates;
},
/* Update the datepicker display.
@param target (event) a focus event or
(element) the control to use
@param hidden (boolean) true to initially hide the datepicker */
_update: function(target, hidden) {
target = $(target.target || target);
var inst = $.data(target[0], $.datepick.dataName);
if (inst) {
if (inst.inline || $.datepick.curInst == inst) {
var onChange = inst.get('onChangeMonthYear');
if (onChange && (!inst.prevDate ||
inst.prevDate.getFullYear() != inst.drawDate.getFullYear() ||
inst.prevDate.getMonth() != inst.drawDate.getMonth())) {
onChange.apply(target[0], [inst.drawDate.getFullYear(), inst.drawDate.getMonth() + 1]);
}
}
if (inst.inline) {
target.html(this._generateContent(target[0], inst));
}
else if ($.datepick.curInst == inst) {
if (!inst.div) {
inst.div = $('<div></div>').addClass(this._popupClass).
css({display: (hidden ? 'none' : 'static'), position: 'absolute',
left: target.offset().left,
top: target.offset().top + target.outerHeight()}).
appendTo($(inst.get('popupContainer') || 'body'));
if ($.fn.mousewheel) {
inst.div.mousewheel(this._doMouseWheel);
}
}
inst.div.html(this._generateContent(target[0], inst));
target.focus();
}
}
},
/* Update the input field and any alternate field with the current dates.
@param target (element) the control to use
@param keyUp (boolean, internal) true if coming from keyUp processing */
_updateInput: function(target, keyUp) {
var inst = $.data(target, this.dataName);
if (inst) {
var value = '';
var altValue = '';
var sep = (inst.get('multiSelect') ? inst.get('multiSeparator') :
inst.get('rangeSeparator'));
var dateFormat = inst.get('dateFormat');
var altFormat = inst.get('altFormat') || dateFormat;
for (var i = 0; i < inst.selectedDates.length; i++) {
value += (keyUp ? '' : (i > 0 ? sep : '') + $.datepick.formatDate(
dateFormat, inst.selectedDates[i], inst.getConfig()));
altValue += (i > 0 ? sep : '') + $.datepick.formatDate(
altFormat, inst.selectedDates[i], inst.getConfig());
}
if (!inst.inline && !keyUp) {
$(target).val(value);
}
$(inst.get('altField')).val(altValue);
var onSelect = inst.get('onSelect');
if (onSelect && !keyUp && !inst.inSelect) {
inst.inSelect = true; // Prevent endless loops
onSelect.apply(target, [inst.selectedDates]);
inst.inSelect = false;
}
}
},
/* Retrieve the size of left and top borders for an element.
@param elem (jQuery) the element of interest
@return (number[2]) the left and top borders */
_getBorders: function(elem) {
var convert = function(value) {
var extra = ($.browser.msie ? 1 : 0);
return {thin: 1 + extra, medium: 3 + extra, thick: 5 + extra}[value] || value;
};
return [parseFloat(convert(elem.css('border-left-width'))),
parseFloat(convert(elem.css('border-top-width')))];
},
/* Check positioning to remain on the screen.
@param inst (object) the current instance settings
@return (object) the updated offset for the datepicker */
_checkOffset: function(inst) {
var base = (inst.target.is(':hidden') && inst.trigger ? inst.trigger : inst.target);
var offset = base.offset();
var isFixed = false;
$(inst.target).parents().each(function() {
isFixed |= $(this).css('position') == 'fixed';
return !isFixed;
});
if (isFixed && $.browser.opera) { // Correction for Opera when fixed and scrolled
offset.left -= document.documentElement.scrollLeft;
offset.top -= document.documentElement.scrollTop;
}
var browserWidth = (!$.browser.mozilla || document.doctype ?
document.documentElement.clientWidth : 0) || document.body.clientWidth;
var browserHeight = (!$.browser.mozilla || document.doctype ?
document.documentElement.clientHeight : 0) || document.body.clientHeight;
if (browserWidth == 0) {
return offset;
}
var alignment = inst.get('alignment');
var isRTL = inst.get('isRTL');
var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
var above = offset.top - inst.div.outerHeight() -
(isFixed && $.browser.opera ? document.documentElement.scrollTop : 0);
var below = offset.top + base.outerHeight();
var alignL = offset.left;
var alignR = offset.left + base.outerWidth() - inst.div.outerWidth() -
(isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0);
var tooWide = (offset.left + inst.div.outerWidth() - scrollX) > browserWidth;
var tooHigh = (offset.top + inst.target.outerHeight() + inst.div.outerHeight() -
scrollY) > browserHeight;
if (alignment == 'topLeft') {
offset = {left: alignL, top: above};
}
else if (alignment == 'topRight') {
offset = {left: alignR, top: above};
}
else if (alignment == 'bottomLeft') {
offset = {left: alignL, top: below};
}
else if (alignment == 'bottomRight') {
offset = {left: alignR, top: below};
}
else if (alignment == 'top') {
offset = {left: (isRTL || tooWide ? alignR : alignL), top: above};
}
else { // bottom
offset = {left: (isRTL || tooWide ? alignR : alignL),
top: (tooHigh ? above : below)};
}
offset.left = Math.max((isFixed ? 0 : scrollX), offset.left - (isFixed ? scrollX : 0));
offset.top = Math.max((isFixed ? 0 : scrollY), offset.top - (isFixed ? scrollY : 0));
return offset;
},
/* Close date picker if clicked elsewhere.
@param event (MouseEvent) the mouse click to check */
_checkExternalClick: function(event) {
if (!$.datepick.curInst) {
return;
}
var target = $(event.target);
if (!target.parents().andSelf().hasClass($.datepick._popupClass) &&
!target.hasClass($.datepick.markerClass) &&
!target.parents().andSelf().hasClass($.datepick._triggerClass)) {
$.datepick.hide($.datepick.curInst);
}
},
/* Hide a popup datepicker.
@param target (element) the control to use or
(object) the current instance settings
@param immediate (boolean) true to close immediately without animation */
hide: function(target, immediate) {
var inst = $.data(target, this.dataName) || target;
if (inst && inst == $.datepick.curInst) {
var showAnim = (immediate ? '' : inst.get('showAnim'));
var showSpeed = inst.get('showSpeed');
showSpeed = (showSpeed == 'normal' && $.ui && $.ui.version >= '1.8' ?
'_default' : showSpeed);
var postProcess = function() {
inst.div.remove();
inst.div = null;
$.datepick.curInst = null;
var onClose = inst.get('onClose');
if (onClose) {
onClose.apply(target, [inst.selectedDates]);
}
};
inst.div.stop();
if ($.effects && $.effects[showAnim]) {
inst.div.hide(showAnim, inst.get('showOptions'), showSpeed, postProcess);
}
else {
var hideAnim = (showAnim == 'slideDown' ? 'slideUp' :
(showAnim == 'fadeIn' ? 'fadeOut' : 'hide'));
inst.div[hideAnim]((showAnim ? showSpeed : ''), postProcess);
}
if (!showAnim) {
postProcess();
}
}
},
/* Handle keystrokes in the datepicker.
@param event (KeyEvent) the keystroke
@return (boolean) true if not handled, false if handled */
_keyDown: function(event) {
var target = event.target;
var inst = $.data(target, $.datepick.dataName);
var handled = false;
if (inst.div) {
if (event.keyCode == 9) { // Tab - close
$.datepick.hide(target);
}
else if (event.keyCode == 13) { // Enter - select
$.datepick.selectDate(target,
$('a.' + inst.get('renderer').highlightedClass, inst.div)[0]);
handled = true;
}
else { // Command keystrokes
var commands = inst.get('commands');
for (var name in commands) {
var command = commands[name];
if (command.keystroke.keyCode == event.keyCode &&
!!command.keystroke.ctrlKey == !!(event.ctrlKey || event.metaKey) &&
!!command.keystroke.altKey == event.altKey &&
!!command.keystroke.shiftKey == event.shiftKey) {
$.datepick.performAction(target, name);
handled = true;
break;
}
}
}
}
else { // Show on 'current' keystroke
var command = inst.get('commands').current;
if (command.keystroke.keyCode == event.keyCode &&
!!command.keystroke.ctrlKey == !!(event.ctrlKey || event.metaKey) &&
!!command.keystroke.altKey == event.altKey &&
!!command.keystroke.shiftKey == event.shiftKey) {
$.datepick.show(target);
handled = true;
}
}
inst.ctrlKey = ((event.keyCode < 48 && event.keyCode != 32) ||
event.ctrlKey || event.metaKey);
if (handled) {
event.preventDefault();
event.stopPropagation();
}
return !handled;
},
/* Filter keystrokes in the datepicker.
@param event (KeyEvent) the keystroke
@return (boolean) true if allowed, false if not allowed */
_keyPress: function(event) {
var target = event.target;
var inst = $.data(target, $.datepick.dataName);
if (inst && inst.get('constrainInput')) {
var ch = String.fromCharCode(event.keyCode || event.charCode);
var allowedChars = $.datepick._allowedChars(inst);
return (event.metaKey || inst.ctrlKey || ch < ' ' ||
!allowedChars || allowedChars.indexOf(ch) > -1);
}
return true;
},
/* Determine the set of characters allowed by the date format.
@param inst (object) the current instance settings
@return (string) the set of allowed characters, or null if anything allowed */
_allowedChars: function(inst) {
var dateFormat = inst.get('dateFormat');
var allowedChars = (inst.get('multiSelect') ? inst.get('multiSeparator') :
(inst.get('rangeSelect') ? inst.get('rangeSeparator') : ''));
var literal = false;
var hasNum = false;
for (var i = 0; i < dateFormat.length; i++) {
var ch = dateFormat.charAt(i);
if (literal) {
if (ch == "'" && dateFormat.charAt(i + 1) != "'") {
literal = false;
}
else {
allowedChars += ch;
}
}
else {
switch (ch) {
case 'd': case 'm': case 'o': case 'w':
allowedChars += (hasNum ? '' : '0123456789'); hasNum = true; break;
case 'y': case '@': case '!':
allowedChars += (hasNum ? '' : '0123456789') + '-'; hasNum = true; break;
case 'J':
allowedChars += (hasNum ? '' : '0123456789') + '-.'; hasNum = true; break;
case 'D': case 'M': case 'Y':
return null; // Accept anything
case "'":
if (dateFormat.charAt(i + 1) == "'") {
allowedChars += "'";
}
else {
literal = true;
}
break;
default:
allowedChars += ch;
}
}
}
return allowedChars;
},
/* Synchronise datepicker with the field.
@param event (KeyEvent) the keystroke
@return (boolean) true if allowed, false if not allowed */
_keyUp: function(event) {
var target = event.target;
var inst = $.data(target, $.datepick.dataName);
if (inst && !inst.ctrlKey && inst.lastVal != inst.target.val()) {
try {
var dates = $.datepick._extractDates(inst, inst.target.val());
if (dates.length > 0) {
$.datepick.setDate(target, dates, null, true);
}
}
catch (event) {
// Ignore
}
}
return true;
},
/* Increment/decrement month/year on mouse wheel activity.
@param event (event) the mouse wheel event
@param delta (number) the amount of change */
_doMouseWheel: function(event, delta) {
var target = ($.datepick.curInst && $.datepick.curInst.target[0]) ||
$(event.target).closest('.' + $.datepick.markerClass)[0];
if ($.datepick.isDisabled(target)) {
return;
}
var inst = $.data(target, $.datepick.dataName);
if (inst.get('useMouseWheel')) {
delta = ($.browser.opera ? -delta : delta);
delta = (delta < 0 ? -1 : +1);
$.datepick.changeMonth(target,
-inst.get(event.ctrlKey ? 'monthsToJump' : 'monthsToStep') * delta);
}
event.preventDefault();
},
/* Clear an input and close a popup datepicker.
@param target (element) the control to use */
clear: function(target) {
var inst = $.data(target, this.dataName);
if (inst) {
inst.selectedDates = [];
this.hide(target);
if (inst.get('selectDefaultDate') && inst.get('defaultDate')) {
this.setDate(target,
$.datepick.newDate(inst.get('defaultDate') ||$.datepick.today()));
}
else {
this._updateInput(target);
}
}
},
/* Retrieve the selected date(s) for a datepicker.
@param target (element) the control to examine
@return (CDate[]) the selected date(s) */
getDate: function(target) {
var inst = $.data(target, this.dataName);
return (inst ? inst.selectedDates : []);
},
/* Set the selected date(s) for a datepicker.
@param target (element) the control to examine
@param dates (CDate or number or string or [] of these) the selected date(s)
@param endDate (CDate or number or string) the ending date for a range (optional)
@param keyUp (boolean, internal) true if coming from keyUp processing
@param setOpt (boolean, internal) true if coming from option processing */
setDate: function(target, dates, endDate, keyUp, setOpt) {
var inst = $.data(target, this.dataName);
if (inst) {
if (!$.isArray(dates)) {
dates = [dates];
if (endDate) {
dates.push(endDate);
}
}
var dateFormat = inst.get('dateFormat');
var minDate = inst.get('minDate');
var maxDate = inst.get('maxDate');
var curDate = inst.selectedDates[0];
inst.selectedDates = [];
for (var i = 0; i < dates.length; i++) {
var date = $.datepick.determineDate(
dates[i], null, curDate, dateFormat, inst.getConfig());
if (date) {
if ((!minDate || date.getTime() >= minDate.getTime()) &&
(!maxDate || date.getTime() <= maxDate.getTime())) {
var found = false;
for (var j = 0; j < inst.selectedDates.length; j++) {
if (inst.selectedDates[j].getTime() == date.getTime()) {
found = true;
break;
}
}
if (!found) {
inst.selectedDates.push(date);
}
}
}
}
var rangeSelect = inst.get('rangeSelect');
inst.selectedDates.splice(inst.get('multiSelect') ||
(rangeSelect ? 2 : 1), inst.selectedDates.length);
if (rangeSelect) {
switch (inst.selectedDates.length) {
case 1: inst.selectedDates[1] = inst.selectedDates[0]; break;
case 2: inst.selectedDates[1] =
(inst.selectedDates[0].getTime() > inst.selectedDates[1].getTime() ?
inst.selectedDates[0] : inst.selectedDates[1]); break;
}
inst.pickingRange = false;
}
inst.prevDate = (inst.drawDate ? $.datepick.newDate(inst.drawDate) : null);
inst.drawDate = this._checkMinMax($.datepick.newDate(inst.selectedDates[0] ||
inst.get('defaultDate') || $.datepick.today()), inst);
if (!setOpt) {
this._update(target);
this._updateInput(target, keyUp);
}
}
},
/* Determine whether a date is selectable for this datepicker.
@param target (element) the control to check
@param date (Date or string or number) the date to check
@return (boolean) true if selectable, false if not */
isSelectable: function(target, date) {
var inst = $.data(target, this.dataName);
if (!inst) {
return false;
}
date = $.datepick.determineDate(date, inst.selectedDates[0] || this.today(), null,
inst.get('dateFormat'), inst.getConfig());
return this._isSelectable(target, date, inst.get('onDate'),
inst.get('minDate'), inst.get('maxDate'));
},
/* Internally determine whether a date is selectable for this datepicker.
@param target (element) the control to check
@param date (Date) the date to check
@param onDate (function or boolean) any onDate callback or callback.selectable
@param mindate (Date) the minimum allowed date
@param maxdate (Date) the maximum allowed date
@return (boolean) true if selectable, false if not */
_isSelectable: function(target, date, onDate, minDate, maxDate) {
var dateInfo = (typeof onDate == 'boolean' ? {selectable: onDate} :
(!onDate ? {} : onDate.apply(target, [date, true])));
return (dateInfo.selectable != false) &&
(!minDate || date.getTime() >= minDate.getTime()) &&
(!maxDate || date.getTime() <= maxDate.getTime());
},
/* Perform a named action for a datepicker.
@param target (element) the control to affect
@param action (string) the name of the action */
performAction: function(target, action) {
var inst = $.data(target, this.dataName);
if (inst && !this.isDisabled(target)) {
var commands = inst.get('commands');
if (commands[action] && commands[action].enabled.apply(target, [inst])) {
commands[action].action.apply(target, [inst]);
}
}
},
/* Set the currently shown month, defaulting to today's.
@param target (element) the control to affect
@param year (number) the year to show (optional)
@param month (number) the month to show (1-12) (optional)
@param day (number) the day to show (optional) */
showMonth: function(target, year, month, day) {
var inst = $.data(target, this.dataName);
if (inst && (day != null ||
(inst.drawDate.getFullYear() != year || inst.drawDate.getMonth() + 1 != month))) {
inst.prevDate = $.datepick.newDate(inst.drawDate);
var show = this._checkMinMax((year != null ?
$.datepick.newDate(year, month, 1) : $.datepick.today()), inst);
inst.drawDate = $.datepick.newDate(show.getFullYear(), show.getMonth() + 1,
(day != null ? day : Math.min(inst.drawDate.getDate(),
$.datepick.daysInMonth(show.getFullYear(), show.getMonth() + 1))));
this._update(target);
}
},
/* Adjust the currently shown month.
@param target (element) the control to affect
@param offset (number) the number of months to change by */
changeMonth: function(target, offset) {
var inst = $.data(target, this.dataName);
if (inst) {
var date = $.datepick.add($.datepick.newDate(inst.drawDate), offset, 'm');
this.showMonth(target, date.getFullYear(), date.getMonth() + 1);
}
},
/* Adjust the currently shown day.
@param target (element) the control to affect
@param offset (number) the number of days to change by */
changeDay: function(target, offset) {
var inst = $.data(target, this.dataName);
if (inst) {
var date = $.datepick.add($.datepick.newDate(inst.drawDate), offset, 'd');
this.showMonth(target, date.getFullYear(), date.getMonth() + 1, date.getDate());
}
},
/* Restrict a date to the minimum/maximum specified.
@param date (CDate) the date to check
@param inst (object) the current instance settings */
_checkMinMax: function(date, inst) {
var minDate = inst.get('minDate');
var maxDate = inst.get('maxDate');
date = (minDate && date.getTime() < minDate.getTime() ? $.datepick.newDate(minDate) : date);
date = (maxDate && date.getTime() > maxDate.getTime() ? $.datepick.newDate(maxDate) : date);
return date;
},
/* Retrieve the date associated with an entry in the datepicker.
@param target (element) the control to examine
@param elem (element) the selected datepicker element
@return (CDate) the corresponding date, or null */
retrieveDate: function(target, elem) {
var inst = $.data(target, this.dataName);
return (!inst ? null : this._normaliseDate(
new Date(parseInt(elem.className.replace(/^.*dp(-?\d+).*$/, '$1'), 10))));
},
/* Select a date for this datepicker.
@param target (element) the control to examine
@param elem (element) the selected datepicker element */
selectDate: function(target, elem) {
var inst = $.data(target, this.dataName);
if (inst && !this.isDisabled(target)) {
var date = this.retrieveDate(target, elem);
var multiSelect = inst.get('multiSelect');
var rangeSelect = inst.get('rangeSelect');
if (multiSelect) {
var found = false;
for (var i = 0; i < inst.selectedDates.length; i++) {
if (date.getTime() == inst.selectedDates[i].getTime()) {
inst.selectedDates.splice(i, 1);
found = true;
break;
}
}
if (!found && inst.selectedDates.length < multiSelect) {
inst.selectedDates.push(date);
}
}
else if (rangeSelect) {
if (inst.pickingRange) {
inst.selectedDates[1] = date;
}
else {
inst.selectedDates = [date, date];
}
inst.pickingRange = !inst.pickingRange;
}
else {
inst.selectedDates = [date];
}
inst.prevDate = $.datepick.newDate(date);
this._updateInput(target);
if (inst.inline || inst.pickingRange || inst.selectedDates.length <
(multiSelect || (rangeSelect ? 2 : 1))) {
this._update(target);
}
else {
this.hide(target);
}
}
},
/* Generate the datepicker content for this control.
@param target (element) the control to affect
@param inst (object) the current instance settings
@return (jQuery) the datepicker content */
_generateContent: function(target, inst) {
var renderer = inst.get('renderer');
var monthsToShow = inst.get('monthsToShow');
monthsToShow = ($.isArray(monthsToShow) ? monthsToShow : [1, monthsToShow]);
inst.drawDate = this._checkMinMax(
inst.drawDate || inst.get('defaultDate') || $.datepick.today(), inst);
var drawDate = $.datepick._applyMonthsOffset($.datepick.newDate(inst.drawDate), inst);
// Generate months
var monthRows = '';
for (var row = 0; row < monthsToShow[0]; row++) {
var months = '';
for (var col = 0; col < monthsToShow[1]; col++) {
months += this._generateMonth(target, inst, drawDate.getFullYear(),
drawDate.getMonth() + 1, renderer, (row == 0 && col == 0));
$.datepick.add(drawDate, 1, 'm');
}
monthRows += this._prepare(renderer.monthRow, inst).replace(/\{months\}/, months);
}
var picker = this._prepare(renderer.picker, inst).replace(/\{months\}/, monthRows).
replace(/\{weekHeader\}/g, this._generateDayHeaders(inst, renderer)) +
($.browser.msie && parseInt($.browser.version, 10) < 7 && !inst.inline ?
'<iframe src="javascript:void(0);" class="' + this._coverClass + '"></iframe>' : '');
// Add commands
var commands = inst.get('commands');
var asDateFormat = inst.get('commandsAsDateFormat');
var addCommand = function(type, open, close, name, classes) {
if (picker.indexOf('{' + type + ':' + name + '}') == -1) {
return;
}
var command = commands[name];
var date = (asDateFormat ? command.date.apply(target, [inst]) : null);
picker = picker.replace(new RegExp('\\{' + type + ':' + name + '\\}', 'g'),
'<' + open +
(command.status ? ' title="' + inst.get(command.status) + '"' : '') +
' class="' + renderer.commandClass + ' ' +
renderer.commandClass + '-' + name + ' ' + classes +
(command.enabled(inst) ? '' : ' ' + renderer.disabledClass) + '">' +
(date ? $.datepick.formatDate(inst.get(command.text), date, inst.getConfig()) :
inst.get(command.text)) + '</' + close + '>');
};
for (var name in commands) {
addCommand('button', 'button type="button"', 'button', name,
renderer.commandButtonClass);
addCommand('link', 'a href="javascript:void(0)"', 'a', name,
renderer.commandLinkClass);
}
picker = $(picker);
if (monthsToShow[1] > 1) {
var count = 0;
$(renderer.monthSelector, picker).each(function() {
var nth = ++count % monthsToShow[1];
$(this).addClass(nth == 1 ? 'first' : (nth == 0 ? 'last' : ''));
});
}
// Add datepicker behaviour
var self = this;
picker.find(renderer.daySelector + ' a').hover(
function() { $(this).addClass(renderer.highlightedClass); },
function() {
(inst.inline ? $(this).parents('.' + self.markerClass) : inst.div).
find(renderer.daySelector + ' a').
removeClass(renderer.highlightedClass);
}).
click(function() {
self.selectDate(target, this);
}).end().
find('select.' + this._monthYearClass + ':not(.' + this._anyYearClass + ')').
change(function() {
var monthYear = $(this).val().split('/');
self.showMonth(target, parseInt(monthYear[1], 10), parseInt(monthYear[0], 10));
}).end().
find('select.' + this._anyYearClass).
click(function() {
$(this).css('visibility', 'hidden').
next('input').css({left: this.offsetLeft, top: this.offsetTop,
width: this.offsetWidth, height: this.offsetHeight}).show().focus();
}).end().
find('input.' + self._monthYearClass).
change(function() {
try {
var year = parseInt($(this).val(), 10);
year = (isNaN(year) ? inst.drawDate.getFullYear() : year);
self.showMonth(target, year, inst.drawDate.getMonth() + 1, inst.drawDate.getDate());
}
catch (e) {
alert(e);
}
}).keydown(function(event) {
if (event.keyCode == 13) { // Enter
$(event.target).change();
}
else if (event.keyCode == 27) { // Escape
$(event.target).hide().prev('select').css('visibility', 'visible');
inst.target.focus();
}
});
// Add command behaviour
picker.find('.' + renderer.commandClass).click(function() {
if (!$(this).hasClass(renderer.disabledClass)) {
var action = this.className.replace(
new RegExp('^.*' + renderer.commandClass + '-([^ ]+).*$'), '$1');
$.datepick.performAction(target, action);
}
});
// Add classes
if (inst.get('isRTL')) {
picker.addClass(renderer.rtlClass);
}
if (monthsToShow[0] * monthsToShow[1] > 1) {
picker.addClass(renderer.multiClass);
}
var pickerClass = inst.get('pickerClass');
if (pickerClass) {
picker.addClass(pickerClass);
}
// Resize
$('body').append(picker);
var width = 0;
picker.find(renderer.monthSelector).each(function() {
width += $(this).outerWidth();
});
picker.width(width / monthsToShow[0]);
// Pre-show customisation
var onShow = inst.get('onShow');
if (onShow) {
onShow.apply(target, [picker, inst]);
}
return picker;
},
/* Generate the content for a single month.
@param target (element) the control to affect
@param inst (object) the current instance settings
@param year (number) the year to generate
@param month (number) the month to generate
@param renderer (object) the rendering templates
@param first (boolean) true if first of multiple months
@return (string) the month content */
_generateMonth: function(target, inst, year, month, renderer, first) {
var daysInMonth = $.datepick.daysInMonth(year, month);
var monthsToShow = inst.get('monthsToShow');
monthsToShow = ($.isArray(monthsToShow) ? monthsToShow : [1, monthsToShow]);
var fixedWeeks = inst.get('fixedWeeks') || (monthsToShow[0] * monthsToShow[1] > 1);
var firstDay = inst.get('firstDay');
var leadDays = ($.datepick.newDate(year, month, 1).getDay() - firstDay + 7) % 7;
var numWeeks = (fixedWeeks ? 6 : Math.ceil((leadDays + daysInMonth) / 7));
var showOtherMonths = inst.get('showOtherMonths');
var selectOtherMonths = inst.get('selectOtherMonths') && showOtherMonths;
var dayStatus = inst.get('dayStatus');
var minDate = (inst.pickingRange ? inst.selectedDates[0] : inst.get('minDate'));
var maxDate = inst.get('maxDate');
var rangeSelect = inst.get('rangeSelect');
var onDate = inst.get('onDate');
var showWeeks = renderer.week.indexOf('{weekOfYear}') > -1;
var calculateWeek = inst.get('calculateWeek');
var today = $.datepick.today();
var drawDate = $.datepick.newDate(year, month, 1);
$.datepick.add(drawDate, -leadDays - (fixedWeeks && (drawDate.getDay() == firstDay) ? 7 : 0), 'd');
var ts = drawDate.getTime();
// Generate weeks
var weeks = '';
for (var week = 0; week < numWeeks; week++) {
var weekOfYear = (!showWeeks ? '' : '<span class="dp' + ts + '">' +
(calculateWeek ? calculateWeek(drawDate) : 0) + '</span>');
var days = '';
for (var day = 0; day < 7; day++) {
var selected = false;
if (rangeSelect && inst.selectedDates.length > 0) {
selected = (drawDate.getTime() >= inst.selectedDates[0] &&
drawDate.getTime() <= inst.selectedDates[1]);
}
else {
for (var i = 0; i < inst.selectedDates.length; i++) {
if (inst.selectedDates[i].getTime() == drawDate.getTime()) {
selected = true;
break;
}
}
}
var dateInfo = (!onDate ? {} :
onDate.apply(target, [drawDate, drawDate.getMonth() + 1 == month]));
var selectable = (selectOtherMonths || drawDate.getMonth() + 1 == month) &&
this._isSelectable(target, drawDate, dateInfo.selectable, minDate, maxDate);
days += this._prepare(renderer.day, inst).replace(/\{day\}/g,
(selectable ? '<a href="javascript:void(0)"' : '<span') +
' class="dp' + ts + ' ' + (dateInfo.dateClass || '') +
(selected && (selectOtherMonths || drawDate.getMonth() + 1 == month) ?
' ' + renderer.selectedClass : '') +
(selectable ? ' ' + renderer.defaultClass : '') +
((drawDate.getDay() || 7) < 6 ? '' : ' ' + renderer.weekendClass) +
(drawDate.getMonth() + 1 == month ? '' : ' ' + renderer.otherMonthClass) +
(drawDate.getTime() == today.getTime() && (drawDate.getMonth() + 1) == month ?
' ' + renderer.todayClass : '') +
(drawDate.getTime() == inst.drawDate.getTime() && (drawDate.getMonth() + 1) == month ?
' ' + renderer.highlightedClass : '') + '"' +
(dateInfo.title || (dayStatus && selectable) ? ' title="' +
(dateInfo.title || $.datepick.formatDate(
dayStatus, drawDate, inst.getConfig())) + '"' : '') + '>' +
(showOtherMonths || (drawDate.getMonth() + 1) == month ?
dateInfo.content || drawDate.getDate() : ' ') +
(selectable ? '</a>' : '</span>'));
$.datepick.add(drawDate, 1, 'd');
ts = drawDate.getTime();
}
weeks += this._prepare(renderer.week, inst).replace(/\{days\}/g, days).
replace(/\{weekOfYear\}/g, weekOfYear);
}
var monthHeader = this._prepare(renderer.month, inst).match(/\{monthHeader(:[^\}]+)?\}/);
monthHeader = (monthHeader[0].length <= 13 ? 'MM yyyy' :
monthHeader[0].substring(13, monthHeader[0].length - 1));
monthHeader = (first ? this._generateMonthSelection(
inst, year, month, minDate, maxDate, monthHeader, renderer) :
$.datepick.formatDate(monthHeader, $.datepick.newDate(year, month, 1), inst.getConfig()));
var weekHeader = this._prepare(renderer.weekHeader, inst).
replace(/\{days\}/g, this._generateDayHeaders(inst, renderer));
return this._prepare(renderer.month, inst).replace(/\{monthHeader(:[^\}]+)?\}/g, monthHeader).
replace(/\{weekHeader\}/g, weekHeader).replace(/\{weeks\}/g, weeks);
},
/* Generate the HTML for the day headers.
@param inst (object) the current instance settings
@param renderer (object) the rendering templates
@return (string) a week's worth of day headers */
_generateDayHeaders: function(inst, renderer) {
var firstDay = inst.get('firstDay');
var dayNames = inst.get('dayNames');
var dayNamesMin = inst.get('dayNamesMin');
var header = '';
for (var day = 0; day < 7; day++) {
var dow = (day + firstDay) % 7;
header += this._prepare(renderer.dayHeader, inst).replace(/\{day\}/g,
'<span class="' + this._curDoWClass + dow + '" title="' +
dayNames[dow] + '">' + dayNamesMin[dow] + '</span>');
}
return header;
},
/* Generate selection controls for month.
@param inst (object) the current instance settings
@param year (number) the year to generate
@param month (number) the month to generate
@param minDate (CDate) the minimum date allowed
@param maxDate (CDate) the maximum date allowed
@param monthHeader (string) the month/year format
@return (string) the month selection content */
_generateMonthSelection: function(inst, year, month, minDate, maxDate, monthHeader) {
if (!inst.get('changeMonth')) {
return $.datepick.formatDate(
monthHeader, $.datepick.newDate(year, month, 1), inst.getConfig());
}
// Months
var monthNames = inst.get('monthNames' + (monthHeader.match(/mm/i) ? '' : 'Short'));
var html = monthHeader.replace(/m+/i, '\\x2E').replace(/y+/i, '\\x2F');
var selector = '<select class="' + this._monthYearClass +
'" title="' + inst.get('monthStatus') + '">';
for (var m = 1; m <= 12; m++) {
if ((!minDate || $.datepick.newDate(year, m, $.datepick.daysInMonth(year, m)).
getTime() >= minDate.getTime()) &&
(!maxDate || $.datepick.newDate(year, m, 1).getTime() <= maxDate.getTime())) {
selector += '<option value="' + m + '/' + year + '"' +
(month == m ? ' selected="selected"' : '') + '>' +
monthNames[m - 1] + '</option>';
}
}
selector += '</select>';
html = html.replace(/\\x2E/, selector);
// Years
var yearRange = inst.get('yearRange');
if (yearRange == 'any') {
selector = '<select class="' + this._monthYearClass + ' ' + this._anyYearClass +
'" title="' + inst.get('yearStatus') + '">' +
'<option>' + year + '</option></select>' +
'<input class="' + this._monthYearClass + ' ' + this._curMonthClass +
month + '" value="' + year + '">';
}
else {
yearRange = yearRange.split(':');
var todayYear = $.datepick.today().getFullYear();
var start = (yearRange[0].match('c[+-].*') ? year + parseInt(yearRange[0].substring(1), 10) :
((yearRange[0].match('[+-].*') ? todayYear : 0) + parseInt(yearRange[0], 10)));
var end = (yearRange[1].match('c[+-].*') ? year + parseInt(yearRange[1].substring(1), 10) :
((yearRange[1].match('[+-].*') ? todayYear : 0) + parseInt(yearRange[1], 10)));
selector = '<select class="' + this._monthYearClass +
'" title="' + inst.get('yearStatus') + '">';
start = $.datepick.add($.datepick.newDate(start + 1, 1, 1), -1, 'd');
end = $.datepick.newDate(end, 1, 1);
var addYear = function(y) {
if (y != 0) {
selector += '<option value="' + month + '/' + y + '"' +
(year == y ? ' selected="selected"' : '') + '>' + y + '</option>';
}
};
if (start.getTime() < end.getTime()) {
start = (minDate && minDate.getTime() > start.getTime() ? minDate : start).getFullYear();
end = (maxDate && maxDate.getTime() < end.getTime() ? maxDate : end).getFullYear();
for (var y = start; y <= end; y++) {
addYear(y);
}
}
else {
start = (maxDate && maxDate.getTime() < start.getTime() ? maxDate : start).getFullYear();
end = (minDate && minDate.getTime() > end.getTime() ? minDate : end).getFullYear();
for (var y = start; y >= end; y--) {
addYear(y);
}
}
selector += '</select>';
}
html = html.replace(/\\x2F/, selector);
return html;
},
/* Prepare a render template for use.
Exclude popup/inline sections that are not applicable.
Localise text of the form: {l10n:name}.
@param text (string) the text to localise
@param inst (object) the current instance settings
@return (string) the localised text */
_prepare: function(text, inst) {
var replaceSection = function(type, retain) {
while (true) {
var start = text.indexOf('{' + type + ':start}');
if (start == -1) {
return;
}
var end = text.substring(start).indexOf('{' + type + ':end}');
if (end > -1) {
text = text.substring(0, start) +
(retain ? text.substr(start + type.length + 8, end - type.length - 8) : '') +
text.substring(start + end + type.length + 6);
}
}
};
replaceSection('inline', inst.inline);
replaceSection('popup', !inst.inline);
var pattern = /\{l10n:([^\}]+)\}/;
var matches = null;
while (matches = pattern.exec(text)) {
text = text.replace(matches[0], inst.get(matches[1]));
}
return text;
}
});
/* jQuery extend now ignores nulls!
@param target (object) the object to extend
@param props (object) the new settings
@return (object) the updated object */
function extendRemove(target, props) {
$.extend(target, props);
for (var name in props)
if (props[name] == null || props[name] == undefined)
target[name] = props[name];
return target;
};
/* Attach the datepicker functionality to a jQuery selection.
@param command (string) the command to run (optional, default 'attach')
@param options (object) the new settings to use for these instances (optional)
@return (jQuery) for chaining further calls */
$.fn.datepick = function(options) {
var otherArgs = Array.prototype.slice.call(arguments, 1);
if ($.inArray(options, ['getDate', 'isDisabled', 'isSelectable', 'options', 'retrieveDate']) > -1) {
return $.datepick[options].apply($.datepick, [this[0]].concat(otherArgs));
}
return this.each(function() {
if (typeof options == 'string') {
$.datepick[options].apply($.datepick, [this].concat(otherArgs));
}
else {
$.datepick._attachPicker(this, options || {});
}
});
};
/* Initialise the datepicker functionality. */
$.datepick = new Datepicker(); // singleton instance
$(function() {
$(document).mousedown($.datepick._checkExternalClick).
resize(function() { $.datepick.hide($.datepick.curInst); });
});
})(jQuery);
