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jquery.datepick.js
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jquery.datepick.js
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/* http://keith-wood.name/datepick.html
Date picker for jQuery v4.0.5.
Written by Keith Wood (kbwood{at}iinet.com.au) February 2010.
Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and
MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses.
Please attribute the author if you use it. */
(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
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(
$.datepick.add($.datepick.newDate(inst.drawDate),
1 - inst.get('monthsToStep') - inst.get('monthsOffset'), 'm'), 1), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick.add($.datepick.newDate(inst.drawDate),
-inst.get('monthsToStep') - inst.get('monthsOffset'), 'm'), 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(
$.datepick.add($.datepick.newDate(inst.drawDate),
1 - inst.get('monthsToJump') - inst.get('monthsOffset'), 'm'), 1), -1, 'd').
getTime() >= minDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick.add($.datepick.newDate(inst.drawDate),
-inst.get('monthsToJump') - inst.get('monthsOffset'), 'm'), 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.add($.datepick.newDate(inst.drawDate),
inst.get('monthsToStep') - inst.get('monthsOffset'), 'm'), 1).
getTime() <= maxDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick.add($.datepick.newDate(inst.drawDate),
inst.get('monthsToStep') - inst.get('monthsOffset'), 'm'), 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.add($.datepick.newDate(inst.drawDate),
inst.get('monthsToJump') - inst.get('monthsOffset'), 'm'), 1).
getTime() <= maxDate.getTime()); },
date: function(inst) {
return $.datepick.day($.datepick.add($.datepick.newDate(inst.drawDate),
inst.get('monthsToJump') - inst.get('monthsOffset'), 'm'), 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) {
doubled(match, step);
var size = [2, 3, 4, 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._normaliseDate(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;
},
/* 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 = $.extend({}, settings || {}, inlineSettings || {});
if (inst.inline) {
this._update(target[0]);
if ($.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().