/*!
* jQuery UI Datepicker @VERSION
* http://jqueryui.com
*
* Copyright 2012 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/datepicker/
*
* Depends:
* jquery.ui.core.js
*/
(function( $, undefined ) {
/*jshint evil: true */
$.extend($.ui, { datepicker: { version: "@VERSION" } });
var PROP_NAME = 'datepicker',
dpuuid = new Date().getTime(),
instActive;
/* Date picker manager.
Use the singleton instance of this class, $.datepicker, to interact with the date picker.
Settings for (groups of) date pickers are maintained in an instance object,
allowing multiple different settings on the same page. */
function Datepicker() {
this._curInst = null; // The current instance in use
this._keyEvent = false; // If the last event was a key event
this._disabledInputs = []; // List of date picker inputs that have been disabled
this._datepickerShowing = false; // True if the popup picker is showing , false if not
this._inDialog = false; // True if showing within a "dialog", false if not
this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
this.regional = []; // Available regional settings, indexed by language code
this.regional[''] = { // Default regional settings
closeText: 'Done', // Display text for close link
prevText: 'Prev', // Display text for previous month link
nextText: 'Next', // Display text for next month link
currentText: 'Today', // Display text for current month link
monthNames: ['January','February','March','April','May','June',
'July','August','September','October','November','December'], // Names of months for drop-down and formatting
monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
weekHeader: 'Wk', // Column header for week of the year
dateFormat: 'mm/dd/yy', // See format options on parseDate
firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
isRTL: false, // True if right-to-left language, false if left-to-right
showMonthAfterYear: false, // True if the year select precedes month, false for month then year
yearSuffix: '' // Additional text to append to the year in the month headers
};
this._defaults = { // Global defaults for all the date picker instances
showOn: 'focus', // 'focus' for popup on focus,
// 'button' for trigger button, or 'both' for either
showAnim: 'fadeIn', // Name of jQuery animation for popup
showOptions: {}, // Options for enhanced animations
defaultDate: null, // Used when field is blank: actual date,
// +/-number for offset from today, null for today
appendText: '', // Display text following the input box, e.g. showing the format
buttonText: '...', // Text for trigger button
buttonImage: '', // URL for trigger button image
buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
hideIfNoPrevNext: false, // True to hide next/previous month links
// if not applicable, false to just disable them
navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
gotoCurrent: false, // True if today link goes back to current selection instead
changeMonth: false, // True if month can be selected directly, false if only prev/next
changeYear: false, // True if year can be selected directly, false if only prev/next
yearRange: 'c-10:c+10', // Range of years to display in drop-down,
// either relative to today's year (-nn:+nn), relative to currently displayed year
// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
showOtherMonths: false, // True to show dates in other months, false to leave blank
selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
showWeek: false, // True to show week of the year, false to not show it
calculateWeek: this.iso8601Week, // How to calculate the week of the year,
// takes a Date and returns the number of the week for it
shortYearCutoff: '+10', // Short year values < this are in the current century,
// > this are in the previous century,
// string value starting with '+' for current year + value
minDate: null, // The earliest selectable date, or null for no limit
maxDate: null, // The latest selectable date, or null for no limit
duration: 'fast', // Duration of display/closure
beforeShowDay: null, // Function that takes a date and returns an array with
// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
// [2] = cell title (optional), e.g. $.datepicker.noWeekends
beforeShow: null, // Function that takes an input field and
// returns a set of custom settings for the date picker
onSelect: null, // Define a callback function when a date is selected
onChangeMonthYear: null, // Define a callback function when the month or year is changed
onClose: null, // Define a callback function when the datepicker is closed
numberOfMonths: 1, // Number of months to show at a time
showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
stepMonths: 1, // Number of months to step back/forward
stepBigMonths: 12, // Number of months to step back/forward for the big links
altField: '', // Selector for an alternate field to store selected dates into
altFormat: '', // The date format to use for the alternate field
constrainInput: true, // The input is constrained by the current date format
showButtonPanel: false, // True to show button panel, false to not show it
autoSize: false, // True to size the input for the date format, false to leave as is
disabled: false // The initial disabled state
};
$.extend(this._defaults, this.regional['']);
this.dpDiv = bindHover($(''));
}
$.extend(Datepicker.prototype, {
/* Class name added to elements to indicate already configured with a date picker. */
markerClassName: 'hasDatepicker',
//Keep track of the maximum number of rows displayed (see #7043)
maxRows: 4,
// TODO rename to "widget" when switching to widget factory
_widgetDatepicker: function() {
return this.dpDiv;
},
/* Override the default settings for all instances of the date picker.
* @param settings object - the new settings to use as defaults (anonymous object)
* @return the manager object
*/
setDefaults: function(settings) {
extendRemove(this._defaults, settings || {});
return this;
},
/* Attach the date picker to a jQuery selection.
* @param target element - the target input field or division or span
* @param settings object - the new settings to use for this date picker instance (anonymous)
*/
_attachDatepicker: function(target, settings) {
// check for settings on the control itself - in namespace 'date:'
var attrName, attrValue, nodeName, inline, inst,
inlineSettings = null;
for (attrName in this._defaults) {
attrValue = target.getAttribute('date:' + attrName);
if (attrValue) {
inlineSettings = inlineSettings || {};
try {
inlineSettings[attrName] = eval(attrValue);
} catch (err) {
inlineSettings[attrName] = attrValue;
}
}
}
nodeName = target.nodeName.toLowerCase();
inline = (nodeName === 'div' || nodeName === 'span');
if (!target.id) {
this.uuid += 1;
target.id = 'dp' + this.uuid;
}
inst = this._newInst($(target), inline);
inst.settings = $.extend({}, settings || {}, inlineSettings || {});
if (nodeName === 'input') {
this._connectDatepicker(target, inst);
} else if (inline) {
this._inlineDatepicker(target, inst);
}
},
/* Create a new instance object. */
_newInst: function(target, inline) {
var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, '\\\\$1'); // escape jQuery meta chars
return {id: id, input: target, // associated target
selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
drawMonth: 0, drawYear: 0, // month being drawn
inline: inline, // is datepicker inline or not
dpDiv: (!inline ? this.dpDiv : // presentation div
bindHover($('')))};
},
/* Attach the date picker to an input field. */
_connectDatepicker: function(target, inst) {
var input = $(target);
inst.append = $([]);
inst.trigger = $([]);
if (input.hasClass(this.markerClassName)) {
return;
}
this._attachments(input, inst);
input.addClass(this.markerClassName).keydown(this._doKeyDown).
keypress(this._doKeyPress).keyup(this._doKeyUp).
bind("setData.datepicker", function(event, key, value) {
inst.settings[key] = value;
}).bind("getData.datepicker", function(event, key) {
return this._get(inst, key);
});
this._autoSize(inst);
$.data(target, PROP_NAME, inst);
//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
if( inst.settings.disabled ) {
this._disableDatepicker( target );
}
},
/* Make attachments based on settings. */
_attachments: function(input, inst) {
var showOn, buttonText, buttonImage,
appendText = this._get(inst, 'appendText'),
isRTL = this._get(inst, 'isRTL');
if (inst.append) {
inst.append.remove();
}
if (appendText) {
inst.append = $('' + appendText + '');
input[isRTL ? 'before' : 'after'](inst.append);
}
input.unbind('focus', this._showDatepicker);
if (inst.trigger) {
inst.trigger.remove();
}
showOn = this._get(inst, 'showOn');
if (showOn === 'focus' || showOn === 'both') { // pop-up date picker when in the marked field
input.focus(this._showDatepicker);
}
if (showOn === 'button' || showOn === 'both') { // pop-up date picker when button clicked
buttonText = this._get(inst, 'buttonText');
buttonImage = this._get(inst, 'buttonImage');
inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
$('').addClass(this._triggerClass).
attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
$('').addClass(this._triggerClass).
html(!buttonImage ? buttonText : $('').attr(
{ src:buttonImage, alt:buttonText, title:buttonText })));
input[isRTL ? 'before' : 'after'](inst.trigger);
inst.trigger.click(function() {
if ($.datepicker._datepickerShowing && $.datepicker._lastInput === input[0]) {
$.datepicker._hideDatepicker();
} else if ($.datepicker._datepickerShowing && $.datepicker._lastInput !== input[0]) {
$.datepicker._hideDatepicker();
$.datepicker._showDatepicker(input[0]);
} else {
$.datepicker._showDatepicker(input[0]);
}
return false;
});
}
},
/* Apply the maximum length for the date format. */
_autoSize: function(inst) {
if (this._get(inst, 'autoSize') && !inst.inline) {
var findMax, max, maxI, i,
date = new Date(2009, 12 - 1, 20), // Ensure double digits
dateFormat = this._get(inst, 'dateFormat');
if (dateFormat.match(/[DM]/)) {
findMax = function(names) {
max = 0;
maxI = 0;
for (i = 0; i < names.length; i++) {
if (names[i].length > max) {
max = names[i].length;
maxI = i;
}
}
return maxI;
};
date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
'monthNames' : 'monthNamesShort'))));
date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
}
inst.input.attr('size', this._formatDate(inst, date).length);
}
},
/* Attach an inline date picker to a div. */
_inlineDatepicker: function(target, inst) {
var divSpan = $(target);
if (divSpan.hasClass(this.markerClassName)) {
return;
}
divSpan.addClass(this.markerClassName).append(inst.dpDiv).
bind("setData.datepicker", function(event, key, value){
inst.settings[key] = value;
}).bind("getData.datepicker", function(event, key){
return this._get(inst, key);
});
$.data(target, PROP_NAME, inst);
this._setDate(inst, this._getDefaultDate(inst), true);
this._updateDatepicker(inst);
this._updateAlternate(inst);
//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
if( inst.settings.disabled ) {
this._disableDatepicker( target );
}
// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
inst.dpDiv.css( "display", "block" );
},
/* Pop-up the date picker in a "dialog" box.
* @param input element - ignored
* @param date string or Date - the initial date to display
* @param onSelect function - the function to call when a date is selected
* @param settings object - update the dialog date picker instance's settings (anonymous object)
* @param pos int[2] - coordinates for the dialog's position within the screen or
* event - with x/y coordinates or
* leave empty for default (screen centre)
* @return the manager object
*/
_dialogDatepicker: function(input, date, onSelect, settings, pos) {
var id, browserWidth, browserHeight, scrollX, scrollY,
inst = this._dialogInst; // internal instance
if (!inst) {
this.uuid += 1;
id = 'dp' + this.uuid;
this._dialogInput = $('');
this._dialogInput.keydown(this._doKeyDown);
$('body').append(this._dialogInput);
inst = this._dialogInst = this._newInst(this._dialogInput, false);
inst.settings = {};
$.data(this._dialogInput[0], PROP_NAME, inst);
}
extendRemove(inst.settings, settings || {});
date = (date && date.constructor === Date ? this._formatDate(inst, date) : date);
this._dialogInput.val(date);
this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
if (!this._pos) {
browserWidth = document.documentElement.clientWidth;
browserHeight = document.documentElement.clientHeight;
scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
scrollY = document.documentElement.scrollTop || document.body.scrollTop;
this._pos = // should use actual width/height below
[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
}
// move input on screen for focus, but hidden behind dialog
this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
inst.settings.onSelect = onSelect;
this._inDialog = true;
this.dpDiv.addClass(this._dialogClass);
this._showDatepicker(this._dialogInput[0]);
if ($.blockUI) {
$.blockUI(this.dpDiv);
}
$.data(this._dialogInput[0], PROP_NAME, inst);
return this;
},
/* Detach a datepicker from its control.
* @param target element - the target input field or division or span
*/
_destroyDatepicker: function(target) {
var nodeName,
$target = $(target),
inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
nodeName = target.nodeName.toLowerCase();
$.removeData(target, PROP_NAME);
if (nodeName === 'input') {
inst.append.remove();
inst.trigger.remove();
$target.removeClass(this.markerClassName).
unbind('focus', this._showDatepicker).
unbind('keydown', this._doKeyDown).
unbind('keypress', this._doKeyPress).
unbind('keyup', this._doKeyUp);
} else if (nodeName === 'div' || nodeName === 'span') {
$target.removeClass(this.markerClassName).empty();
}
},
/* Enable the date picker to a jQuery selection.
* @param target element - the target input field or division or span
*/
_enableDatepicker: function(target) {
var nodeName, inline,
$target = $(target),
inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
nodeName = target.nodeName.toLowerCase();
if (nodeName === 'input') {
target.disabled = false;
inst.trigger.filter('button').
each(function() { this.disabled = false; }).end().
filter('img').css({opacity: '1.0', cursor: ''});
} else if (nodeName === 'div' || nodeName === 'span') {
inline = $target.children('.' + this._inlineClass);
inline.children().removeClass('ui-state-disabled');
inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
prop("disabled", false);
}
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value === target ? null : value); }); // delete entry
},
/* Disable the date picker to a jQuery selection.
* @param target element - the target input field or division or span
*/
_disableDatepicker: function(target) {
var nodeName, inline,
$target = $(target),
inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
nodeName = target.nodeName.toLowerCase();
if (nodeName === 'input') {
target.disabled = true;
inst.trigger.filter('button').
each(function() { this.disabled = true; }).end().
filter('img').css({opacity: '0.5', cursor: 'default'});
} else if (nodeName === 'div' || nodeName === 'span') {
inline = $target.children('.' + this._inlineClass);
inline.children().addClass('ui-state-disabled');
inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
prop("disabled", true);
}
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value === target ? null : value); }); // delete entry
this._disabledInputs[this._disabledInputs.length] = target;
},
/* Is the first field in a jQuery collection disabled as a datepicker?
* @param target element - the target input field or division or span
* @return boolean - true if disabled, false if enabled
*/
_isDisabledDatepicker: function(target) {
if (!target) {
return false;
}
for (var i = 0; i < this._disabledInputs.length; i++) {
if (this._disabledInputs[i] === target) {
return true;
}
}
return false;
},
/* Retrieve the instance data for the target control.
* @param target element - the target input field or division or span
* @return object - the associated instance data
* @throws error if a jQuery problem getting data
*/
_getInst: function(target) {
try {
return $.data(target, PROP_NAME);
}
catch (err) {
throw 'Missing instance data for this datepicker';
}
},
/* Update or retrieve the settings for a date picker attached to an input field or division.
* @param target element - the target input field or division or span
* @param name object - the new settings to update or
* string - the name of the setting to change or retrieve,
* when retrieving also 'all' for all instance settings or
* 'defaults' for all global defaults
* @param value any - the new value for the setting
* (omit if above is an object or to retrieve a value)
*/
_optionDatepicker: function(target, name, value) {
var settings, date, minDate, maxDate,
inst = this._getInst(target);
if (arguments.length === 2 && typeof name === 'string') {
return (name === 'defaults' ? $.extend({}, $.datepicker._defaults) :
(inst ? (name === 'all' ? $.extend({}, inst.settings) :
this._get(inst, name)) : null));
}
settings = name || {};
if (typeof name === 'string') {
settings = {};
settings[name] = value;
}
if (inst) {
if (this._curInst === inst) {
this._hideDatepicker();
}
date = this._getDateDatepicker(target, true);
minDate = this._getMinMaxDate(inst, 'min');
maxDate = this._getMinMaxDate(inst, 'max');
extendRemove(inst.settings, settings);
// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
if (minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined) {
inst.settings.minDate = this._formatDate(inst, minDate);
}
if (maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined) {
inst.settings.maxDate = this._formatDate(inst, maxDate);
}
this._attachments($(target), inst);
this._autoSize(inst);
this._setDate(inst, date);
this._updateAlternate(inst);
this._updateDatepicker(inst);
}
},
// change method deprecated
_changeDatepicker: function(target, name, value) {
this._optionDatepicker(target, name, value);
},
/* Redraw the date picker attached to an input field or division.
* @param target element - the target input field or division or span
*/
_refreshDatepicker: function(target) {
var inst = this._getInst(target);
if (inst) {
this._updateDatepicker(inst);
}
},
/* Set the dates for a jQuery selection.
* @param target element - the target input field or division or span
* @param date Date - the new date
*/
_setDateDatepicker: function(target, date) {
var inst = this._getInst(target);
if (inst) {
this._setDate(inst, date);
this._updateDatepicker(inst);
this._updateAlternate(inst);
}
},
/* Get the date(s) for the first entry in a jQuery selection.
* @param target element - the target input field or division or span
* @param noDefault boolean - true if no default date is to be used
* @return Date - the current date
*/
_getDateDatepicker: function(target, noDefault) {
var inst = this._getInst(target);
if (inst && !inst.inline) {
this._setDateFromField(inst, noDefault);
}
return (inst ? this._getDate(inst) : null);
},
/* Handle keystrokes. */
_doKeyDown: function(event) {
var onSelect, dateStr, sel,
inst = $.datepicker._getInst(event.target),
handled = true,
isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
inst._keyEvent = true;
if ($.datepicker._datepickerShowing) {
switch (event.keyCode) {
case 9: $.datepicker._hideDatepicker();
handled = false;
break; // hide on tab out
case 13: sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
$.datepicker._currentClass + ')', inst.dpDiv);
if (sel[0]) {
$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
}
onSelect = $.datepicker._get(inst, 'onSelect');
if (onSelect) {
dateStr = $.datepicker._formatDate(inst);
// trigger custom callback
onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
} else {
$.datepicker._hideDatepicker();
}
return false; // don't submit the form
case 27: $.datepicker._hideDatepicker();
break; // hide on escape
case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
-$.datepicker._get(inst, 'stepBigMonths') :
-$.datepicker._get(inst, 'stepMonths')), 'M');
break; // previous month/year on page up/+ ctrl
case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+$.datepicker._get(inst, 'stepBigMonths') :
+$.datepicker._get(inst, 'stepMonths')), 'M');
break; // next month/year on page down/+ ctrl
case 35: if (event.ctrlKey || event.metaKey) {
$.datepicker._clearDate(event.target);
}
handled = event.ctrlKey || event.metaKey;
break; // clear on ctrl or command +end
case 36: if (event.ctrlKey || event.metaKey) {
$.datepicker._gotoToday(event.target);
}
handled = event.ctrlKey || event.metaKey;
break; // current on ctrl or command +home
case 37: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
}
handled = event.ctrlKey || event.metaKey;
// -1 day on ctrl or command +left
if (event.originalEvent.altKey) {
$.datepicker._adjustDate(event.target, (event.ctrlKey ?
-$.datepicker._get(inst, 'stepBigMonths') :
-$.datepicker._get(inst, 'stepMonths')), 'M');
}
// next month/year on alt +left on Mac
break;
case 38: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, -7, 'D');
}
handled = event.ctrlKey || event.metaKey;
break; // -1 week on ctrl or command +up
case 39: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
}
handled = event.ctrlKey || event.metaKey;
// +1 day on ctrl or command +right
if (event.originalEvent.altKey) {
$.datepicker._adjustDate(event.target, (event.ctrlKey ?
+$.datepicker._get(inst, 'stepBigMonths') :
+$.datepicker._get(inst, 'stepMonths')), 'M');
}
// next month/year on alt +right
break;
case 40: if (event.ctrlKey || event.metaKey) {
$.datepicker._adjustDate(event.target, +7, 'D');
}
handled = event.ctrlKey || event.metaKey;
break; // +1 week on ctrl or command +down
default: handled = false;
}
} else if (event.keyCode === 36 && event.ctrlKey) { // display the date picker on ctrl+home
$.datepicker._showDatepicker(this);
} else {
handled = false;
}
if (handled) {
event.preventDefault();
event.stopPropagation();
}
},
/* Filter entered characters - based on date format. */
_doKeyPress: function(event) {
var chars, chr,
inst = $.datepicker._getInst(event.target);
if ($.datepicker._get(inst, 'constrainInput')) {
chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
chr = String.fromCharCode(event.charCode == null ? event.keyCode : event.charCode);
return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
}
},
/* Synchronise manual entry and field/alternate field. */
_doKeyUp: function(event) {
var date,
inst = $.datepicker._getInst(event.target);
if (inst.input.val() !== inst.lastVal) {
try {
date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
(inst.input ? inst.input.val() : null),
$.datepicker._getFormatConfig(inst));
if (date) { // only if valid
$.datepicker._setDateFromField(inst);
$.datepicker._updateAlternate(inst);
$.datepicker._updateDatepicker(inst);
}
}
catch (err) {
}
}
return true;
},
/* Pop-up the date picker for a given input field.
* If false returned from beforeShow event handler do not show.
* @param input element - the input field attached to the date picker or
* event - if triggered by focus
*/
_showDatepicker: function(input) {
input = input.target || input;
if (input.nodeName.toLowerCase() !== 'input') { // find from button/image trigger
input = $('input', input.parentNode)[0];
}
if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput === input) { // already here
return;
}
var inst, beforeShow, beforeShowSettings, isFixed,
offset, showAnim, duration;
inst = $.datepicker._getInst(input);
if ($.datepicker._curInst && $.datepicker._curInst !== inst) {
$.datepicker._curInst.dpDiv.stop(true, true);
if ( inst && $.datepicker._datepickerShowing ) {
$.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
}
}
beforeShow = $.datepicker._get(inst, 'beforeShow');
beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
if(beforeShowSettings === false){
return;
}
extendRemove(inst.settings, beforeShowSettings);
inst.lastVal = null;
$.datepicker._lastInput = input;
$.datepicker._setDateFromField(inst);
if ($.datepicker._inDialog) { // hide cursor
input.value = '';
}
if (!$.datepicker._pos) { // position below input
$.datepicker._pos = $.datepicker._findPos(input);
$.datepicker._pos[1] += input.offsetHeight; // add the height
}
isFixed = false;
$(input).parents().each(function() {
isFixed |= $(this).css('position') === 'fixed';
return !isFixed;
});
offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
$.datepicker._pos = null;
//to avoid flashes on Firefox
inst.dpDiv.empty();
// determine sizing offscreen
inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
$.datepicker._updateDatepicker(inst);
// fix width for dynamic number of date pickers
// and adjust position before showing
offset = $.datepicker._checkOffset(inst, offset, isFixed);
inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
left: offset.left + 'px', top: offset.top + 'px'});
if (!inst.inline) {
showAnim = $.datepicker._get(inst, 'showAnim');
duration = $.datepicker._get(inst, 'duration');
inst.dpDiv.zIndex($(input).zIndex()+1);
$.datepicker._datepickerShowing = true;
if ( $.effects && $.effects.effect[ showAnim ] ) {
inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration);
} else {
inst.dpDiv[showAnim || 'show'](showAnim ? duration : null);
}
if (inst.input.is(':visible') && !inst.input.is(':disabled')) {
inst.input.focus();
}
$.datepicker._curInst = inst;
}
},
/* Generate the date picker content. */
_updateDatepicker: function(inst) {
this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
instActive = inst; // for delegate hover events
inst.dpDiv.empty().append(this._generateHTML(inst));
this._attachHandlers(inst);
inst.dpDiv.find('.' + this._dayOverClass + ' a').mouseover();
var origyearshtml,
numMonths = this._getNumberOfMonths(inst),
cols = numMonths[1],
width = 17;
inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
if (cols > 1) {
inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
}
inst.dpDiv[(numMonths[0] !== 1 || numMonths[1] !== 1 ? 'add' : 'remove') +
'Class']('ui-datepicker-multi');
inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
'Class']('ui-datepicker-rtl');
// #6694 - don't focus the input if it's already focused
// this breaks the change event in IE
if (inst === $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] !== document.activeElement) {
inst.input.focus();
}
// deffered render of the years select (to avoid flashes on Firefox)
if( inst.yearshtml ){
origyearshtml = inst.yearshtml;
setTimeout(function(){
//assure that inst.yearshtml didn't change.
if( origyearshtml === inst.yearshtml && inst.yearshtml ){
inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
}
origyearshtml = inst.yearshtml = null;
}, 0);
}
},
/* Retrieve the size of left and top borders for an element.
* @param elem (jQuery object) the element of interest
* @return (number[2]) the left and top borders
*/
_getBorders: function(elem) {
var convert = function(value) {
return {thin: 1, medium: 2, thick: 3}[value] || value;
};
return [parseFloat(convert(elem.css('border-left-width'))),
parseFloat(convert(elem.css('border-top-width')))];
},
/* Check positioning to remain on screen. */
_checkOffset: function(inst, offset, isFixed) {
var dpWidth = inst.dpDiv.outerWidth(),
dpHeight = inst.dpDiv.outerHeight(),
inputWidth = inst.input ? inst.input.outerWidth() : 0,
inputHeight = inst.input ? inst.input.outerHeight() : 0,
viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft()),
viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());
offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
offset.left -= (isFixed && offset.left === inst.input.offset().left) ? $(document).scrollLeft() : 0;
offset.top -= (isFixed && offset.top === (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
// now check if datepicker is showing outside window viewport - move to a better place if so.
offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
Math.abs(offset.left + dpWidth - viewWidth) : 0);
offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
Math.abs(dpHeight + inputHeight) : 0);
return offset;
},
/* Find an object's position on the screen. */
_findPos: function(obj) {
var position,
inst = this._getInst(obj),
isRTL = this._get(inst, 'isRTL');
while (obj && (obj.type === 'hidden' || obj.nodeType !== 1 || $.expr.filters.hidden(obj))) {
obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
}
position = $(obj).offset();
return [position.left, position.top];
},
/* Hide the date picker from view.
* @param input element - the input field attached to the date picker
*/
_hideDatepicker: function(input) {
var showAnim, duration, postProcess, onClose,
inst = this._curInst;
if (!inst || (input && inst !== $.data(input, PROP_NAME))) {
return;
}
if (this._datepickerShowing) {
showAnim = this._get(inst, 'showAnim');
duration = this._get(inst, 'duration');
postProcess = function() {
$.datepicker._tidyDialog(inst);
};
// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {
inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
} else {
inst.dpDiv[(showAnim === 'slideDown' ? 'slideUp' :
(showAnim === 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
}
if (!showAnim) {
postProcess();
}
this._datepickerShowing = false;
onClose = this._get(inst, 'onClose');
if (onClose) {
onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ''), inst]);
}
this._lastInput = null;
if (this._inDialog) {
this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
if ($.blockUI) {
$.unblockUI();
$('body').append(this.dpDiv);
}
}
this._inDialog = false;
}
},
/* Tidy up after a dialog display. */
_tidyDialog: function(inst) {
inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
},
/* Close date picker if clicked elsewhere. */
_checkExternalClick: function(event) {
if (!$.datepicker._curInst) {
return;
}
var $target = $(event.target),
inst = $.datepicker._getInst($target[0]);
if ( ( ( $target[0].id !== $.datepicker._mainDivId &&
$target.parents('#' + $.datepicker._mainDivId).length === 0 &&
!$target.hasClass($.datepicker.markerClassName) &&
!$target.closest("." + $.datepicker._triggerClass).length &&
$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst !== inst ) ) {
$.datepicker._hideDatepicker();
}
},
/* Adjust one of the date sub-fields. */
_adjustDate: function(id, offset, period) {
var target = $(id),
inst = this._getInst(target[0]);
if (this._isDisabledDatepicker(target[0])) {
return;
}
this._adjustInstDate(inst, offset +
(period === 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
period);
this._updateDatepicker(inst);
},
/* Action for current link. */
_gotoToday: function(id) {
var date,
target = $(id),
inst = this._getInst(target[0]);
if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
inst.selectedDay = inst.currentDay;
inst.drawMonth = inst.selectedMonth = inst.currentMonth;
inst.drawYear = inst.selectedYear = inst.currentYear;
} else {
date = new Date();
inst.selectedDay = date.getDate();
inst.drawMonth = inst.selectedMonth = date.getMonth();
inst.drawYear = inst.selectedYear = date.getFullYear();
}
this._notifyChange(inst);
this._adjustDate(target);
},
/* Action for selecting a new month/year. */
_selectMonthYear: function(id, select, period) {
var target = $(id),
inst = this._getInst(target[0]);
inst['selected' + (period === 'M' ? 'Month' : 'Year')] =
inst['draw' + (period === 'M' ? 'Month' : 'Year')] =
parseInt(select.options[select.selectedIndex].value,10);
this._notifyChange(inst);
this._adjustDate(target);
},
/* Action for selecting a day. */
_selectDay: function(id, month, year, td) {
var inst,
target = $(id);
if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
return;
}
inst = this._getInst(target[0]);
inst.selectedDay = inst.currentDay = $('a', td).html();
inst.selectedMonth = inst.currentMonth = month;
inst.selectedYear = inst.currentYear = year;
this._selectDate(id, this._formatDate(inst,
inst.currentDay, inst.currentMonth, inst.currentYear));
},
/* Erase the input field and hide the date picker. */
_clearDate: function(id) {
var target = $(id);
this._selectDate(target, '');
},
/* Update the input field with the selected date. */
_selectDate: function(id, dateStr) {
var onSelect,
target = $(id),
inst = this._getInst(target[0]);
dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
if (inst.input) {
inst.input.val(dateStr);
}
this._updateAlternate(inst);
onSelect = this._get(inst, 'onSelect');
if (onSelect) {
onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
} else if (inst.input) {
inst.input.trigger('change'); // fire the change event
}
if (inst.inline){
this._updateDatepicker(inst);
} else {
this._hideDatepicker();
this._lastInput = inst.input[0];
if (typeof(inst.input[0]) !== 'object') {
inst.input.focus(); // restore focus
}
this._lastInput = null;
}
},
/* Update any alternate field to synchronise with the main field. */
_updateAlternate: function(inst) {
var altFormat, date, dateStr,
altField = this._get(inst, 'altField');
if (altField) { // update alternate field too
altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
date = this._getDate(inst);
dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
$(altField).each(function() { $(this).val(dateStr); });
}
},
/* Set as beforeShowDay function to prevent selection of weekends.
* @param date Date - the date to customise
* @return [boolean, string] - is this date selectable?, what is its CSS class?
*/
noWeekends: function(date) {
var day = date.getDay();
return [(day > 0 && day < 6), ''];
},
/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
* @param date Date - the date to get the week for
* @return number - the number of the week within the year that contains this date
*/
iso8601Week: function(date) {
var time,
checkDate = new Date(date.getTime());
// Find Thursday of this week starting on Monday
checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
time = checkDate.getTime();
checkDate.setMonth(0); // Compare with Jan 1
checkDate.setDate(1);
return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
},
/* Parse a string value into a date object.
* See formatDate below for the possible formats.
*
* @param format string - the expected format of the date
* @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[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 extracted date value or null if value is blank
*/
parseDate: function (format, value, settings) {
if (format == null || value == null) {
throw 'Invalid arguments';
}
value = (typeof value === 'object' ? value.toString() : value + '');
if (value === '') {
return null;
}
var iFormat, dim, extra,
iValue = 0,
shortYearCutoffTemp = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff,
shortYearCutoff = (typeof shortYearCutoffTemp !== 'string' ? shortYearCutoffTemp :
new Date().getFullYear() % 100 + parseInt(shortYearCutoffTemp, 10)),
dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
year = -1,
month = -1,
day = -1,
doy = -1,
literal = false,
date,
// Check whether a format character is doubled
lookAhead = function(match) {
var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
if (matches) {
iFormat++;
}
return matches;
},
// Extract a number from the string value
getNumber = function(match) {
var isDoubled = lookAhead(match),
size = (match === '@' ? 14 : (match === '!' ? 20 :
(match === 'y' && isDoubled ? 4 : (match === 'o' ? 3 : 2)))),
digits = new RegExp('^\\d{1,' + size + '}'),
num = value.substring(iValue).match(digits);
if (!num) {
throw 'Missing number at position ' + iValue;
}
iValue += num[0].length;
return parseInt(num[0], 10);
},
// Extract a name from the string value and convert to an index
getName = function(match, shortNames, longNames) {
var index = -1,
names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
return [ [k, v] ];
}).sort(function (a, b) {
return -(a[1].length - b[1].length);
});
$.each(names, function (i, pair) {
var name = pair[1];
if (value.substr(iValue, name.length).toLowerCase() === name.toLowerCase()) {
index = pair[0];
iValue += name.length;
return false;
}
});
if (index !== -1) {
return index + 1;
} else {
throw 'Unknown name at position ' + iValue;
}
},
// Confirm that a literal character matches the string value
checkLiteral = function() {
if (value.charAt(iValue) !== format.charAt(iFormat)) {
throw 'Unexpected literal at position ' + iValue;
}
iValue++;
};
for (iFormat = 0; iFormat < format.length; iFormat++) {
if (literal) {
if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
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 'm':
month = getNumber('m');
break;
case 'M':
month = getName('M', monthNamesShort, monthNames);
break;
case 'y':
year = getNumber('y');
break;
case '@':
date = new Date(getNumber('@'));
year = date.getFullYear();
month = date.getMonth() + 1;
day = date.getDate();
break;
case '!':
date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
year = date.getFullYear();
month = date.getMonth() + 1;
day = date.getDate();
break;
case "'":
if (lookAhead("'")){
checkLiteral();
} else {
literal = true;
}
break;
default:
checkLiteral();
}
}
}
if (iValue < value.length){
extra = value.substr(iValue);
if (!/^\s+/.test(extra)) {
throw "Extra/unparsed characters found in date: " + extra;
}
}
if (year === -1) {
year = new Date().getFullYear();
} else if (year < 100) {
year += new Date().getFullYear() - new Date().getFullYear() % 100 +
(year <= shortYearCutoff ? 0 : -100);
}
if (doy > -1) {
month = 1;
day = doy;
do {
dim = this._getDaysInMonth(year, month - 1);
if (day <= dim) {
break;
}
month++;
day -= dim;
} while (true);
}
date = this._daylightSavingAdjust(new Date(year, month - 1, day));
if (date.getFullYear() !== year || date.getMonth() + 1 !== month || date.getDate() !== day) {
throw 'Invalid date'; // E.g. 31/02/00
}
return date;
},
/* Standard date formats. */
ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
COOKIE: 'D, dd M yy',
ISO_8601: 'yy-mm-dd',
RFC_822: 'D, d M y',
RFC_850: 'DD, dd-M-y',
RFC_1036: 'D, d M y',
RFC_1123: 'D, d M yy',
RFC_2822: 'D, d M yy',
RSS: 'D, d M y', // RFC 822
TICKS: '!',
TIMESTAMP: '@',
W3C: 'yy-mm-dd', // ISO 8601
_ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
/* 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
* m - month of year (no leading zero)
* mm - month of year (two digit)
* M - month name short
* MM - month name long
* y - year (two digit)
* yy - year (four digit)
* @ - Unix timestamp (ms since 01/01/1970)
* ! - Windows ticks (100ns since 01/01/0001)
* '...' - literal text
* '' - single quote
*
* @param format string - the desired format of the date
* @param date Date - the date value to format
* @param settings Object - attributes include:
* 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 string - the date in the above format
*/
formatDate: function (format, date, settings) {
if (!date) {
return '';
}
var iFormat,
dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,
dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,
monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,
monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,
// Check whether a format character is doubled
lookAhead = function(match) {
var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
if (matches) {
iFormat++;
}
return matches;
},
// Format a number, with leading zero if necessary
formatNumber = function(match, value, len) {
var num = '' + value;
if (lookAhead(match)) {
while (num.length < len) {
num = '0' + num;
}
}
return num;
},
// Format a name, short or long as requested
formatName = function(match, value, shortNames, longNames) {
return (lookAhead(match) ? longNames[value] : shortNames[value]);
},
output = '',
literal = false;
if (date) {
for (iFormat = 0; iFormat < format.length; iFormat++) {
if (literal) {
if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
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',
Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000), 3);
break;
case 'm':
output += formatNumber('m', date.getMonth() + 1, 2);
break;
case 'M':
output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
break;
case 'y':
output += (lookAhead('y') ? date.getFullYear() :
(date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
break;
case '@':
output += date.getTime();
break;
case '!':
output += date.getTime() * 10000 + this._ticksTo1970;
break;
case "'":
if (lookAhead("'")) {
output += "'";
} else {
literal = true;
}
break;
default:
output += format.charAt(iFormat);
}
}
}
}
return output;
},
/* Extract all possible characters from the date format. */
_possibleChars: function (format) {
var iFormat,
chars = '',
literal = false,
// Check whether a format character is doubled
lookAhead = function(match) {
var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);
if (matches) {
iFormat++;
}
return matches;
};
for (iFormat = 0; iFormat < format.length; iFormat++) {
if (literal) {
if (format.charAt(iFormat) === "'" && !lookAhead("'")) {
literal = false;
} else {
chars += format.charAt(iFormat);
}
} else {
switch (format.charAt(iFormat)) {
case 'd': case 'm': case 'y': case '@':
chars += '0123456789';
break;
case 'D': case 'M':
return null; // Accept anything
case "'":
if (lookAhead("'")) {
chars += "'";
} else {
literal = true;
}
break;
default:
chars += format.charAt(iFormat);
}
}
}
return chars;
},
/* Get a setting value, defaulting if necessary. */
_get: function(inst, name) {
return inst.settings[name] !== undefined ?
inst.settings[name] : this._defaults[name];
},
/* Parse existing date and initialise date picker. */
_setDateFromField: function(inst, noDefault) {
if (inst.input.val() === inst.lastVal) {
return;
}
var dateFormat = this._get(inst, 'dateFormat'),
dates = inst.lastVal = inst.input ? inst.input.val() : null,
defaultDate = this._getDefaultDate(inst),
date = defaultDate,
settings = this._getFormatConfig(inst);
try {
date = this.parseDate(dateFormat, dates, settings) || defaultDate;
} catch (event) {
dates = (noDefault ? '' : dates);
}
inst.selectedDay = date.getDate();
inst.drawMonth = inst.selectedMonth = date.getMonth();
inst.drawYear = inst.selectedYear = date.getFullYear();
inst.currentDay = (dates ? date.getDate() : 0);
inst.currentMonth = (dates ? date.getMonth() : 0);
inst.currentYear = (dates ? date.getFullYear() : 0);
this._adjustInstDate(inst);
},
/* Retrieve the default date shown on opening. */
_getDefaultDate: function(inst) {
return this._restrictMinMax(inst,
this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
},
/* A date may be specified as an exact value or a relative one. */
_determineDate: function(inst, date, defaultDate) {
var offsetNumeric = function(offset) {
var date = new Date();
date.setDate(date.getDate() + offset);
return date;
},
offsetString = function(offset) {
try {
return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
offset, $.datepicker._getFormatConfig(inst));
}
catch (e) {
// Ignore
}
var date = (offset.toLowerCase().match(/^c/) ?
$.datepicker._getDate(inst) : null) || new Date(),
year = date.getFullYear(),
month = date.getMonth(),
day = date.getDate(),
pattern = /([+\-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g,
matches = pattern.exec(offset);
while (matches) {
switch (matches[2] || 'd') {
case 'd' : case 'D' :
day += parseInt(matches[1],10); break;
case 'w' : case 'W' :
day += parseInt(matches[1],10) * 7; break;
case 'm' : case 'M' :
month += parseInt(matches[1],10);
day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
break;
case 'y': case 'Y' :
year += parseInt(matches[1],10);
day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
break;
}
matches = pattern.exec(offset);
}
return new Date(year, month, day);
},
newDate = (date == null || date === '' ? defaultDate : (typeof date === 'string' ? offsetString(date) :
(typeof date === 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
newDate = (newDate && newDate.toString() === 'Invalid Date' ? defaultDate : newDate);
if (newDate) {
newDate.setHours(0);
newDate.setMinutes(0);
newDate.setSeconds(0);
newDate.setMilliseconds(0);
}
return this._daylightSavingAdjust(newDate);
},
/* Handle switch to/from daylight saving.
* Hours may be non-zero on daylight saving cut-over:
* > 12 when midnight changeover, but then cannot generate
* midnight datetime, so jump to 1AM, otherwise reset.
* @param date (Date) the date to check
* @return (Date) the corrected date
*/
_daylightSavingAdjust: function(date) {
if (!date) {
return null;
}
date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
return date;
},
/* Set the date(s) directly. */
_setDate: function(inst, date, noChange) {
var clear = !date,
origMonth = inst.selectedMonth,
origYear = inst.selectedYear,
newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
inst.selectedDay = inst.currentDay = newDate.getDate();
inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
if ((origMonth !== inst.selectedMonth || origYear !== inst.selectedYear) && !noChange) {
this._notifyChange(inst);
}
this._adjustInstDate(inst);
if (inst.input) {
inst.input.val(clear ? '' : this._formatDate(inst));
}
},
/* Retrieve the date(s) directly. */
_getDate: function(inst) {
var startDate = (!inst.currentYear || (inst.input && inst.input.val() === '') ? null :
this._daylightSavingAdjust(new Date(
inst.currentYear, inst.currentMonth, inst.currentDay)));
return startDate;
},
/* Attach the onxxx handlers. These are declared statically so
* they work with static code transformers like Caja.
*/
_attachHandlers: function(inst) {
var stepMonths = this._get(inst, 'stepMonths'),
id = '#' + inst.id.replace( /\\\\/g, "\\" );
inst.dpDiv.find('[data-handler]').map(function () {
var handler = {
prev: function () {
window['DP_jQuery_' + dpuuid].datepicker._adjustDate(id, -stepMonths, 'M');
},
next: function () {
window['DP_jQuery_' + dpuuid].datepicker._adjustDate(id, +stepMonths, 'M');
},
hide: function () {
window['DP_jQuery_' + dpuuid].datepicker._hideDatepicker();
},
today: function () {
window['DP_jQuery_' + dpuuid].datepicker._gotoToday(id);
},
selectDay: function () {
window['DP_jQuery_' + dpuuid].datepicker._selectDay(id, +this.getAttribute('data-month'), +this.getAttribute('data-year'), this);
return false;
},
selectMonth: function () {
window['DP_jQuery_' + dpuuid].datepicker._selectMonthYear(id, this, 'M');
return false;
},
selectYear: function () {
window['DP_jQuery_' + dpuuid].datepicker._selectMonthYear(id, this, 'Y');
return false;
}
};
$(this).bind(this.getAttribute('data-event'), handler[this.getAttribute('data-handler')]);
});
},
/* Generate the HTML for the current state of the date picker. */
_generateHTML: function(inst) {
var maxDraw, prevText, prev, nextText, next, currentText, gotoDate,
controls, buttonPanel, firstDay, showWeek, dayNames, dayNamesMin,
monthNames, monthNamesShort, beforeShowDay, showOtherMonths,
selectOtherMonths, defaultDate, html, dow, row, group, col, selectedDate,
cornerClass, calender, thead, day, daysInMonth, leadDays, curRows, numRows,
printDate, dRow, tbody, daySettings, otherMonth, unselectable,
tempDate = new Date(),
today = this._daylightSavingAdjust(
new Date(tempDate.getFullYear(), tempDate.getMonth(), tempDate.getDate())), // clear time
isRTL = this._get(inst, 'isRTL'),
showButtonPanel = this._get(inst, 'showButtonPanel'),
hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext'),
navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat'),
numMonths = this._getNumberOfMonths(inst),
showCurrentAtPos = this._get(inst, 'showCurrentAtPos'),
stepMonths = this._get(inst, 'stepMonths'),
isMultiMonth = (numMonths[0] !== 1 || numMonths[1] !== 1),
currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
new Date(inst.currentYear, inst.currentMonth, inst.currentDay))),
minDate = this._getMinMaxDate(inst, 'min'),
maxDate = this._getMinMaxDate(inst, 'max'),
drawMonth = inst.drawMonth - showCurrentAtPos,
drawYear = inst.drawYear;
if (drawMonth < 0) {
drawMonth += 12;
drawYear--;
}
if (maxDate) {
maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
drawMonth--;
if (drawMonth < 0) {
drawMonth = 11;
drawYear--;
}
}
}
inst.drawMonth = drawMonth;
inst.drawYear = drawYear;
prevText = this._get(inst, 'prevText');
prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
this._getFormatConfig(inst)));
prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
'' + prevText + '' :
(hideIfNoPrevNext ? '' : '' + prevText + ''));
nextText = this._get(inst, 'nextText');
nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
this._getFormatConfig(inst)));
next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
'' + nextText + '' :
(hideIfNoPrevNext ? '' : '' + nextText + ''));
currentText = this._get(inst, 'currentText');
gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
currentText = (!navigationAsDateFormat ? currentText :
this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
controls = (!inst.inline ? '' : '');
buttonPanel = (showButtonPanel) ? '