| blob | bbf59175de906e525cf6eb29fb9bfdfa7c11c528 |
1 /*
2 * jQuery UI Datepicker 1.8.17
3 *
4 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
5 * Dual licensed under the MIT or GPL Version 2 licenses.
6 * http://jquery.org/license
7 *
8 * http://docs.jquery.com/UI/Datepicker
9 *
10 * Depends:
11 * jquery.ui.core.js
12 */
13 (function( $, undefined ) {
15 $.extend($.ui, { datepicker: { version: "1.8.17" } });
17 var PROP_NAME = 'datepicker';
18 var dpuuid = new Date().getTime();
19 var instActive;
21 /* Date picker manager.
22 Use the singleton instance of this class, $.datepicker, to interact with the date picker.
23 Settings for (groups of) date pickers are maintained in an instance object,
24 allowing multiple different settings on the same page. */
26 function Datepicker() {
27 this.debug = false; // Change this to true to start debugging
28 this._curInst = null; // The current instance in use
29 this._keyEvent = false; // If the last event was a key event
30 this._disabledInputs = []; // List of date picker inputs that have been disabled
31 this._datepickerShowing = false; // True if the popup picker is showing , false if not
32 this._inDialog = false; // True if showing within a "dialog", false if not
33 this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
34 this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
35 this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
36 this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
37 this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
38 this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
39 this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
40 this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
41 this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
42 this.regional = []; // Available regional settings, indexed by language code
43 this.regional[''] = { // Default regional settings
44 closeText: 'Done', // Display text for close link
45 prevText: 'Prev', // Display text for previous month link
46 nextText: 'Next', // Display text for next month link
47 currentText: 'Today', // Display text for current month link
48 monthNames: ['January','February','March','April','May','June',
49 'July','August','September','October','November','December'], // Names of months for drop-down and formatting
50 monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
51 dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
52 dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
53 dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
54 weekHeader: 'Wk', // Column header for week of the year
55 dateFormat: 'mm/dd/yy', // See format options on parseDate
56 firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
57 isRTL: false, // True if right-to-left language, false if left-to-right
58 showMonthAfterYear: false, // True if the year select precedes month, false for month then year
59 yearSuffix: '' // Additional text to append to the year in the month headers
60 };
61 this._defaults = { // Global defaults for all the date picker instances
62 showOn: 'focus', // 'focus' for popup on focus,
63 // 'button' for trigger button, or 'both' for either
64 showAnim: 'fadeIn', // Name of jQuery animation for popup
65 showOptions: {}, // Options for enhanced animations
66 defaultDate: null, // Used when field is blank: actual date,
67 // +/-number for offset from today, null for today
68 appendText: '', // Display text following the input box, e.g. showing the format
69 buttonText: '...', // Text for trigger button
70 buttonImage: '', // URL for trigger button image
71 buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
72 hideIfNoPrevNext: false, // True to hide next/previous month links
73 // if not applicable, false to just disable them
74 navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
75 gotoCurrent: false, // True if today link goes back to current selection instead
76 changeMonth: false, // True if month can be selected directly, false if only prev/next
77 changeYear: false, // True if year can be selected directly, false if only prev/next
78 yearRange: 'c-10:c+10', // Range of years to display in drop-down,
79 // either relative to today's year (-nn:+nn), relative to currently displayed year
80 // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
81 showOtherMonths: false, // True to show dates in other months, false to leave blank
82 selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
83 showWeek: false, // True to show week of the year, false to not show it
84 calculateWeek: this.iso8601Week, // How to calculate the week of the year,
85 // takes a Date and returns the number of the week for it
86 shortYearCutoff: '+10', // Short year values < this are in the current century,
87 // > this are in the previous century,
88 // string value starting with '+' for current year + value
89 minDate: null, // The earliest selectable date, or null for no limit
90 maxDate: null, // The latest selectable date, or null for no limit
91 duration: 'fast', // Duration of display/closure
92 beforeShowDay: null, // Function that takes a date and returns an array with
93 // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
94 // [2] = cell title (optional), e.g. $.datepicker.noWeekends
95 beforeShow: null, // Function that takes an input field and
96 // returns a set of custom settings for the date picker
97 onSelect: null, // Define a callback function when a date is selected
98 onChangeMonthYear: null, // Define a callback function when the month or year is changed
99 onClose: null, // Define a callback function when the datepicker is closed
100 numberOfMonths: 1, // Number of months to show at a time
101 showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
102 stepMonths: 1, // Number of months to step back/forward
103 stepBigMonths: 12, // Number of months to step back/forward for the big links
104 altField: '', // Selector for an alternate field to store selected dates into
105 altFormat: '', // The date format to use for the alternate field
106 constrainInput: true, // The input is constrained by the current date format
107 showButtonPanel: false, // True to show button panel, false to not show it
108 autoSize: false, // True to size the input for the date format, false to leave as is
109 disabled: false // The initial disabled state
110 };
111 $.extend(this._defaults, this.regional['']);
112 this.dpDiv = bindHover($('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'));
113 }
115 $.extend(Datepicker.prototype, {
116 /* Class name added to elements to indicate already configured with a date picker. */
117 markerClassName: 'hasDatepicker',
119 //Keep track of the maximum number of rows displayed (see #7043)
120 maxRows: 4,
122 /* Debug logging (if enabled). */
123 log: function () {
124 if (this.debug)
125 console.log.apply('', arguments);
126 },
128 // TODO rename to "widget" when switching to widget factory
129 _widgetDatepicker: function() {
130 return this.dpDiv;
131 },
133 /* Override the default settings for all instances of the date picker.
134 @param settings object - the new settings to use as defaults (anonymous object)
135 @return the manager object */
136 setDefaults: function(settings) {
137 extendRemove(this._defaults, settings || {});
138 return this;
139 },
141 /* Attach the date picker to a jQuery selection.
142 @param target element - the target input field or division or span
143 @param settings object - the new settings to use for this date picker instance (anonymous) */
144 _attachDatepicker: function(target, settings) {
145 // check for settings on the control itself - in namespace 'date:'
146 var inlineSettings = null;
147 for (var attrName in this._defaults) {
148 var attrValue = target.getAttribute('date:' + attrName);
149 if (attrValue) {
150 inlineSettings = inlineSettings || {};
151 try {
152 inlineSettings[attrName] = eval(attrValue);
153 } catch (err) {
154 inlineSettings[attrName] = attrValue;
155 }
156 }
157 }
158 var nodeName = target.nodeName.toLowerCase();
159 var inline = (nodeName == 'div' || nodeName == 'span');
160 if (!target.id) {
161 this.uuid += 1;
162 target.id = 'dp' + this.uuid;
163 }
164 var inst = this._newInst($(target), inline);
165 inst.settings = $.extend({}, settings || {}, inlineSettings || {});
166 if (nodeName == 'input') {
167 this._connectDatepicker(target, inst);
168 } else if (inline) {
169 this._inlineDatepicker(target, inst);
170 }
171 },
173 /* Create a new instance object. */
174 _newInst: function(target, inline) {
175 var id = target[0].id.replace(/([^A-Za-z0-9_-])/g, '\\\\$1'); // escape jQuery meta chars
176 return {id: id, input: target, // associated target
177 selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
178 drawMonth: 0, drawYear: 0, // month being drawn
179 inline: inline, // is datepicker inline or not
180 dpDiv: (!inline ? this.dpDiv : // presentation div
181 bindHover($('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>')))};
182 },
184 /* Attach the date picker to an input field. */
185 _connectDatepicker: function(target, inst) {
186 var input = $(target);
187 inst.append = $([]);
188 inst.trigger = $([]);
189 if (input.hasClass(this.markerClassName))
190 return;
191 this._attachments(input, inst);
192 input.addClass(this.markerClassName).keydown(this._doKeyDown).
193 keypress(this._doKeyPress).keyup(this._doKeyUp).
194 bind("setData.datepicker", function(event, key, value) {
195 inst.settings[key] = value;
196 }).bind("getData.datepicker", function(event, key) {
197 return this._get(inst, key);
198 });
199 this._autoSize(inst);
200 $.data(target, PROP_NAME, inst);
201 //If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
202 if( inst.settings.disabled ) {
203 this._disableDatepicker( target );
204 }
205 },
207 /* Make attachments based on settings. */
208 _attachments: function(input, inst) {
209 var appendText = this._get(inst, 'appendText');
210 var isRTL = this._get(inst, 'isRTL');
211 if (inst.append)
212 inst.append.remove();
213 if (appendText) {
214 inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
215 input[isRTL ? 'before' : 'after'](inst.append);
216 }
217 input.unbind('focus', this._showDatepicker);
218 if (inst.trigger)
219 inst.trigger.remove();
220 var showOn = this._get(inst, 'showOn');
221 if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
222 input.focus(this._showDatepicker);
223 if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
224 var buttonText = this._get(inst, 'buttonText');
225 var buttonImage = this._get(inst, 'buttonImage');
226 inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
227 $('<img/>').addClass(this._triggerClass).
228 attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
229 $('<button type="button"></button>').addClass(this._triggerClass).
230 html(buttonImage == '' ? buttonText : $('<img/>').attr(
231 { src:buttonImage, alt:buttonText, title:buttonText })));
232 input[isRTL ? 'before' : 'after'](inst.trigger);
233 inst.trigger.click(function() {
234 if ($.datepicker._datepickerShowing && $.datepicker._lastInput == input[0])
235 $.datepicker._hideDatepicker();
236 else
237 $.datepicker._showDatepicker(input[0]);
238 return false;
239 });
240 }
241 },
243 /* Apply the maximum length for the date format. */
244 _autoSize: function(inst) {
245 if (this._get(inst, 'autoSize') && !inst.inline) {
246 var date = new Date(2009, 12 - 1, 20); // Ensure double digits
247 var dateFormat = this._get(inst, 'dateFormat');
248 if (dateFormat.match(/[DM]/)) {
249 var findMax = function(names) {
250 var max = 0;
251 var maxI = 0;
252 for (var i = 0; i < names.length; i++) {
253 if (names[i].length > max) {
254 max = names[i].length;
255 maxI = i;
256 }
257 }
258 return maxI;
259 };
260 date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
261 'monthNames' : 'monthNamesShort'))));
262 date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
263 'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
264 }
265 inst.input.attr('size', this._formatDate(inst, date).length);
266 }
267 },
269 /* Attach an inline date picker to a div. */
270 _inlineDatepicker: function(target, inst) {
271 var divSpan = $(target);
272 if (divSpan.hasClass(this.markerClassName))
273 return;
274 divSpan.addClass(this.markerClassName).append(inst.dpDiv).
275 bind("setData.datepicker", function(event, key, value){
276 inst.settings[key] = value;
277 }).bind("getData.datepicker", function(event, key){
278 return this._get(inst, key);
279 });
280 $.data(target, PROP_NAME, inst);
281 this._setDate(inst, this._getDefaultDate(inst), true);
282 this._updateDatepicker(inst);
283 this._updateAlternate(inst);
284 //If disabled option is true, disable the datepicker before showing it (see ticket #5665)
285 if( inst.settings.disabled ) {
286 this._disableDatepicker( target );
287 }
288 // Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
289 // http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
290 inst.dpDiv.css( "display", "block" );
291 },
293 /* Pop-up the date picker in a "dialog" box.
294 @param input element - ignored
295 @param date string or Date - the initial date to display
296 @param onSelect function - the function to call when a date is selected
297 @param settings object - update the dialog date picker instance's settings (anonymous object)
298 @param pos int[2] - coordinates for the dialog's position within the screen or
299 event - with x/y coordinates or
300 leave empty for default (screen centre)
301 @return the manager object */
302 _dialogDatepicker: function(input, date, onSelect, settings, pos) {
303 var inst = this._dialogInst; // internal instance
304 if (!inst) {
305 this.uuid += 1;
306 var id = 'dp' + this.uuid;
307 this._dialogInput = $('<input type="text" id="' + id +
308 '" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>');
309 this._dialogInput.keydown(this._doKeyDown);
310 $('body').append(this._dialogInput);
311 inst = this._dialogInst = this._newInst(this._dialogInput, false);
312 inst.settings = {};
313 $.data(this._dialogInput[0], PROP_NAME, inst);
314 }
315 extendRemove(inst.settings, settings || {});
316 date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
317 this._dialogInput.val(date);
319 this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
320 if (!this._pos) {
321 var browserWidth = document.documentElement.clientWidth;
322 var browserHeight = document.documentElement.clientHeight;
323 var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
324 var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
325 this._pos = // should use actual width/height below
326 [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
327 }
329 // move input on screen for focus, but hidden behind dialog
330 this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
331 inst.settings.onSelect = onSelect;
332 this._inDialog = true;
333 this.dpDiv.addClass(this._dialogClass);
334 this._showDatepicker(this._dialogInput[0]);
335 if ($.blockUI)
336 $.blockUI(this.dpDiv);
337 $.data(this._dialogInput[0], PROP_NAME, inst);
338 return this;
339 },
341 /* Detach a datepicker from its control.
342 @param target element - the target input field or division or span */
343 _destroyDatepicker: function(target) {
344 var $target = $(target);
345 var inst = $.data(target, PROP_NAME);
346 if (!$target.hasClass(this.markerClassName)) {
347 return;
348 }
349 var nodeName = target.nodeName.toLowerCase();
350 $.removeData(target, PROP_NAME);
351 if (nodeName == 'input') {
352 inst.append.remove();
353 inst.trigger.remove();
354 $target.removeClass(this.markerClassName).
355 unbind('focus', this._showDatepicker).
356 unbind('keydown', this._doKeyDown).
357 unbind('keypress', this._doKeyPress).
358 unbind('keyup', this._doKeyUp);
359 } else if (nodeName == 'div' || nodeName == 'span')
360 $target.removeClass(this.markerClassName).empty();
361 },
363 /* Enable the date picker to a jQuery selection.
364 @param target element - the target input field or division or span */
365 _enableDatepicker: function(target) {
366 var $target = $(target);
367 var inst = $.data(target, PROP_NAME);
368 if (!$target.hasClass(this.markerClassName)) {
369 return;
370 }
371 var nodeName = target.nodeName.toLowerCase();
372 if (nodeName == 'input') {
373 target.disabled = false;
374 inst.trigger.filter('button').
375 each(function() { this.disabled = false; }).end().
376 filter('img').css({opacity: '1.0', cursor: ''});
377 }
378 else if (nodeName == 'div' || nodeName == 'span') {
379 var inline = $target.children('.' + this._inlineClass);
380 inline.children().removeClass('ui-state-disabled');
381 inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
382 removeAttr("disabled");
383 }
384 this._disabledInputs = $.map(this._disabledInputs,
385 function(value) { return (value == target ? null : value); }); // delete entry
386 },
388 /* Disable the date picker to a jQuery selection.
389 @param target element - the target input field or division or span */
390 _disableDatepicker: function(target) {
391 var $target = $(target);
392 var inst = $.data(target, PROP_NAME);
393 if (!$target.hasClass(this.markerClassName)) {
394 return;
395 }
396 var nodeName = target.nodeName.toLowerCase();
397 if (nodeName == 'input') {
398 target.disabled = true;
399 inst.trigger.filter('button').
400 each(function() { this.disabled = true; }).end().
401 filter('img').css({opacity: '0.5', cursor: 'default'});
402 }
403 else if (nodeName == 'div' || nodeName == 'span') {
404 var inline = $target.children('.' + this._inlineClass);
405 inline.children().addClass('ui-state-disabled');
406 inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
407 attr("disabled", "disabled");
408 }
409 this._disabledInputs = $.map(this._disabledInputs,
410 function(value) { return (value == target ? null : value); }); // delete entry
411 this._disabledInputs[this._disabledInputs.length] = target;
412 },
414 /* Is the first field in a jQuery collection disabled as a datepicker?
415 @param target element - the target input field or division or span
416 @return boolean - true if disabled, false if enabled */
417 _isDisabledDatepicker: function(target) {
418 if (!target) {
419 return false;
420 }
421 for (var i = 0; i < this._disabledInputs.length; i++) {
422 if (this._disabledInputs[i] == target)
423 return true;
424 }
425 return false;
426 },
428 /* Retrieve the instance data for the target control.
429 @param target element - the target input field or division or span
430 @return object - the associated instance data
431 @throws error if a jQuery problem getting data */
432 _getInst: function(target) {
433 try {
434 return $.data(target, PROP_NAME);
435 }
436 catch (err) {
437 throw 'Missing instance data for this datepicker';
438 }
439 },
441 /* Update or retrieve the settings for a date picker attached to an input field or division.
442 @param target element - the target input field or division or span
443 @param name object - the new settings to update or
444 string - the name of the setting to change or retrieve,
445 when retrieving also 'all' for all instance settings or
446 'defaults' for all global defaults
447 @param value any - the new value for the setting
448 (omit if above is an object or to retrieve a value) */
449 _optionDatepicker: function(target, name, value) {
450 var inst = this._getInst(target);
451 if (arguments.length == 2 && typeof name == 'string') {
452 return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
453 (inst ? (name == 'all' ? $.extend({}, inst.settings) :
454 this._get(inst, name)) : null));
455 }
456 var settings = name || {};
457 if (typeof name == 'string') {
458 settings = {};
459 settings[name] = value;
460 }
461 if (inst) {
462 if (this._curInst == inst) {
463 this._hideDatepicker();
464 }
465 var date = this._getDateDatepicker(target, true);
466 var minDate = this._getMinMaxDate(inst, 'min');
467 var maxDate = this._getMinMaxDate(inst, 'max');
468 extendRemove(inst.settings, settings);
469 // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
470 if (minDate !== null && settings['dateFormat'] !== undefined && settings['minDate'] === undefined)
471 inst.settings.minDate = this._formatDate(inst, minDate);
472 if (maxDate !== null && settings['dateFormat'] !== undefined && settings['maxDate'] === undefined)
473 inst.settings.maxDate = this._formatDate(inst, maxDate);
474 this._attachments($(target), inst);
475 this._autoSize(inst);
476 this._setDate(inst, date);
477 this._updateAlternate(inst);
478 this._updateDatepicker(inst);
479 }
480 },
482 // change method deprecated
483 _changeDatepicker: function(target, name, value) {
484 this._optionDatepicker(target, name, value);
485 },
487 /* Redraw the date picker attached to an input field or division.
488 @param target element - the target input field or division or span */
489 _refreshDatepicker: function(target) {
490 var inst = this._getInst(target);
491 if (inst) {
492 this._updateDatepicker(inst);
493 }
494 },
496 /* Set the dates for a jQuery selection.
497 @param target element - the target input field or division or span
498 @param date Date - the new date */
499 _setDateDatepicker: function(target, date) {
500 var inst = this._getInst(target);
501 if (inst) {
502 this._setDate(inst, date);
503 this._updateDatepicker(inst);
504 this._updateAlternate(inst);
505 }
506 },
508 /* Get the date(s) for the first entry in a jQuery selection.
509 @param target element - the target input field or division or span
510 @param noDefault boolean - true if no default date is to be used
511 @return Date - the current date */
512 _getDateDatepicker: function(target, noDefault) {
513 var inst = this._getInst(target);
514 if (inst && !inst.inline)
515 this._setDateFromField(inst, noDefault);
516 return (inst ? this._getDate(inst) : null);
517 },
519 /* Handle keystrokes. */
520 _doKeyDown: function(event) {
521 var inst = $.datepicker._getInst(event.target);
522 var handled = true;
523 var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
524 inst._keyEvent = true;
525 if ($.datepicker._datepickerShowing)
526 switch (event.keyCode) {
527 case 9: $.datepicker._hideDatepicker();
528 handled = false;
529 break; // hide on tab out
530 case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
531 $.datepicker._currentClass + ')', inst.dpDiv);
532 if (sel[0])
533 $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
534 var onSelect = $.datepicker._get(inst, 'onSelect');
535 if (onSelect) {
536 var dateStr = $.datepicker._formatDate(inst);
538 // trigger custom callback
539 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
540 }
541 else
542 $.datepicker._hideDatepicker();
543 return false; // don't submit the form
544 break; // select the value on enter
545 case 27: $.datepicker._hideDatepicker();
546 break; // hide on escape
547 case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
548 -$.datepicker._get(inst, 'stepBigMonths') :
549 -$.datepicker._get(inst, 'stepMonths')), 'M');
550 break; // previous month/year on page up/+ ctrl
551 case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
552 +$.datepicker._get(inst, 'stepBigMonths') :
553 +$.datepicker._get(inst, 'stepMonths')), 'M');
554 break; // next month/year on page down/+ ctrl
555 case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
556 handled = event.ctrlKey || event.metaKey;
557 break; // clear on ctrl or command +end
558 case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
559 handled = event.ctrlKey || event.metaKey;
560 break; // current on ctrl or command +home
561 case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
562 handled = event.ctrlKey || event.metaKey;
563 // -1 day on ctrl or command +left
564 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
565 -$.datepicker._get(inst, 'stepBigMonths') :
566 -$.datepicker._get(inst, 'stepMonths')), 'M');
567 // next month/year on alt +left on Mac
568 break;
569 case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
570 handled = event.ctrlKey || event.metaKey;
571 break; // -1 week on ctrl or command +up
572 case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
573 handled = event.ctrlKey || event.metaKey;
574 // +1 day on ctrl or command +right
575 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
576 +$.datepicker._get(inst, 'stepBigMonths') :
577 +$.datepicker._get(inst, 'stepMonths')), 'M');
578 // next month/year on alt +right
579 break;
580 case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
581 handled = event.ctrlKey || event.metaKey;
582 break; // +1 week on ctrl or command +down
583 default: handled = false;
584 }
585 else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
586 $.datepicker._showDatepicker(this);
587 else {
588 handled = false;
589 }
590 if (handled) {
591 event.preventDefault();
592 event.stopPropagation();
593 }
594 },
596 /* Filter entered characters - based on date format. */
597 _doKeyPress: function(event) {
598 var inst = $.datepicker._getInst(event.target);
599 if ($.datepicker._get(inst, 'constrainInput')) {
600 var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
601 var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
602 return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
603 }
604 },
606 /* Synchronise manual entry and field/alternate field. */
607 _doKeyUp: function(event) {
608 var inst = $.datepicker._getInst(event.target);
609 if (inst.input.val() != inst.lastVal) {
610 try {
611 var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
612 (inst.input ? inst.input.val() : null),
613 $.datepicker._getFormatConfig(inst));
614 if (date) { // only if valid
615 $.datepicker._setDateFromField(inst);
616 $.datepicker._updateAlternate(inst);
617 $.datepicker._updateDatepicker(inst);
618 }
619 }
620 catch (event) {
621 $.datepicker.log(event);
622 }
623 }
624 return true;
625 },
627 /* Pop-up the date picker for a given input field.
628 If false returned from beforeShow event handler do not show.
629 @param input element - the input field attached to the date picker or
630 event - if triggered by focus */
631 _showDatepicker: function(input) {
632 input = input.target || input;
633 if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
634 input = $('input', input.parentNode)[0];
635 if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
636 return;
637 var inst = $.datepicker._getInst(input);
638 if ($.datepicker._curInst && $.datepicker._curInst != inst) {
639 $.datepicker._curInst.dpDiv.stop(true, true);
640 if ( inst && $.datepicker._datepickerShowing ) {
641 $.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
642 }
643 }
644 var beforeShow = $.datepicker._get(inst, 'beforeShow');
645 var beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
646 if(beforeShowSettings === false){
647 //false
648 return;
649 }
650 extendRemove(inst.settings, beforeShowSettings);
651 inst.lastVal = null;
652 $.datepicker._lastInput = input;
653 $.datepicker._setDateFromField(inst);
654 if ($.datepicker._inDialog) // hide cursor
655 input.value = '';
656 if (!$.datepicker._pos) { // position below input
657 $.datepicker._pos = $.datepicker._findPos(input);
658 $.datepicker._pos[1] += input.offsetHeight; // add the height
659 }
660 var isFixed = false;
661 $(input).parents().each(function() {
662 isFixed |= $(this).css('position') == 'fixed';
663 return !isFixed;
664 });
665 if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
666 $.datepicker._pos[0] -= document.documentElement.scrollLeft;
667 $.datepicker._pos[1] -= document.documentElement.scrollTop;
668 }
669 var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
670 $.datepicker._pos = null;
671 //to avoid flashes on Firefox
672 inst.dpDiv.empty();
673 // determine sizing offscreen
674 inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
675 $.datepicker._updateDatepicker(inst);
676 // fix width for dynamic number of date pickers
677 // and adjust position before showing
678 offset = $.datepicker._checkOffset(inst, offset, isFixed);
679 inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
680 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
681 left: offset.left + 'px', top: offset.top + 'px'});
682 if (!inst.inline) {
683 var showAnim = $.datepicker._get(inst, 'showAnim');
684 var duration = $.datepicker._get(inst, 'duration');
685 var postProcess = function() {
686 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
687 if( !! cover.length ){
688 var borders = $.datepicker._getBorders(inst.dpDiv);
689 cover.css({left: -borders[0], top: -borders[1],
690 width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
691 }
692 };
693 inst.dpDiv.zIndex($(input).zIndex()+1);
694 $.datepicker._datepickerShowing = true;
695 if ($.effects && $.effects[showAnim])
696 inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
697 else
698 inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
699 if (!showAnim || !duration)
700 postProcess();
701 if (inst.input.is(':visible') && !inst.input.is(':disabled'))
702 inst.input.focus();
703 $.datepicker._curInst = inst;
704 }
705 },
707 /* Generate the date picker content. */
708 _updateDatepicker: function(inst) {
709 var self = this;
710 self.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
711 var borders = $.datepicker._getBorders(inst.dpDiv);
712 instActive = inst; // for delegate hover events
713 inst.dpDiv.empty().append(this._generateHTML(inst));
714 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
715 if( !!cover.length ){ //avoid call to outerXXXX() when not in IE6
716 cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
717 }
718 inst.dpDiv.find('.' + this._dayOverClass + ' a').mouseover();
719 var numMonths = this._getNumberOfMonths(inst);
720 var cols = numMonths[1];
721 var width = 17;
722 inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
723 if (cols > 1)
724 inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
725 inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
726 'Class']('ui-datepicker-multi');
727 inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
728 'Class']('ui-datepicker-rtl');
729 if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
730 // #6694 - don't focus the input if it's already focused
731 // this breaks the change event in IE
732 inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] != document.activeElement)
733 inst.input.focus();
734 // deffered render of the years select (to avoid flashes on Firefox)
735 if( inst.yearshtml ){
736 var origyearshtml = inst.yearshtml;
737 setTimeout(function(){
738 //assure that inst.yearshtml didn't change.
739 if( origyearshtml === inst.yearshtml && inst.yearshtml ){
740 inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
741 }
742 origyearshtml = inst.yearshtml = null;
743 }, 0);
744 }
745 },
747 /* Retrieve the size of left and top borders for an element.
748 @param elem (jQuery object) the element of interest
749 @return (number[2]) the left and top borders */
750 _getBorders: function(elem) {
751 var convert = function(value) {
752 return {thin: 1, medium: 2, thick: 3}[value] || value;
753 };
754 return [parseFloat(convert(elem.css('border-left-width'))),
755 parseFloat(convert(elem.css('border-top-width')))];
756 },
758 /* Check positioning to remain on screen. */
759 _checkOffset: function(inst, offset, isFixed) {
760 var dpWidth = inst.dpDiv.outerWidth();
761 var dpHeight = inst.dpDiv.outerHeight();
762 var inputWidth = inst.input ? inst.input.outerWidth() : 0;
763 var inputHeight = inst.input ? inst.input.outerHeight() : 0;
764 var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
765 var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();
767 offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
768 offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
769 offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
771 // now check if datepicker is showing outside window viewport - move to a better place if so.
772 offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
773 Math.abs(offset.left + dpWidth - viewWidth) : 0);
774 offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
775 Math.abs(dpHeight + inputHeight) : 0);
777 return offset;
778 },
780 /* Find an object's position on the screen. */
781 _findPos: function(obj) {
782 var inst = this._getInst(obj);
783 var isRTL = this._get(inst, 'isRTL');
784 while (obj && (obj.type == 'hidden' || obj.nodeType != 1 || $.expr.filters.hidden(obj))) {
785 obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
786 }
787 var position = $(obj).offset();
788 return [position.left, position.top];
789 },
791 /* Hide the date picker from view.
792 @param input element - the input field attached to the date picker */
793 _hideDatepicker: function(input) {
794 var inst = this._curInst;
795 if (!inst || (input && inst != $.data(input, PROP_NAME)))
796 return;
797 if (this._datepickerShowing) {
798 var showAnim = this._get(inst, 'showAnim');
799 var duration = this._get(inst, 'duration');
800 var self = this;
801 var postProcess = function() {
802 $.datepicker._tidyDialog(inst);
803 self._curInst = null;
804 };
805 if ($.effects && $.effects[showAnim])
806 inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
807 else
808 inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
809 (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
810 if (!showAnim)
811 postProcess();
812 this._datepickerShowing = false;
813 var onClose = this._get(inst, 'onClose');
814 if (onClose)
815 onClose.apply((inst.input ? inst.input[0] : null),
816 [(inst.input ? inst.input.val() : ''), inst]);
817 this._lastInput = null;
818 if (this._inDialog) {
819 this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
820 if ($.blockUI) {
821 $.unblockUI();
822 $('body').append(this.dpDiv);
823 }
824 }
825 this._inDialog = false;
826 }
827 },
829 /* Tidy up after a dialog display. */
830 _tidyDialog: function(inst) {
831 inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
832 },
834 /* Close date picker if clicked elsewhere. */
835 _checkExternalClick: function(event) {
836 if (!$.datepicker._curInst)
837 return;
839 var $target = $(event.target),
840 inst = $.datepicker._getInst($target[0]);
842 if ( ( ( $target[0].id != $.datepicker._mainDivId &&
843 $target.parents('#' + $.datepicker._mainDivId).length == 0 &&
844 !$target.hasClass($.datepicker.markerClassName) &&
845 !$target.hasClass($.datepicker._triggerClass) &&
846 $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
847 ( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst != inst ) )
848 $.datepicker._hideDatepicker();
849 },
851 /* Adjust one of the date sub-fields. */
852 _adjustDate: function(id, offset, period) {
853 var target = $(id);
854 var inst = this._getInst(target[0]);
855 if (this._isDisabledDatepicker(target[0])) {
856 return;
857 }
858 this._adjustInstDate(inst, offset +
859 (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
860 period);
861 this._updateDatepicker(inst);
862 },
864 /* Action for current link. */
865 _gotoToday: function(id) {
866 var target = $(id);
867 var inst = this._getInst(target[0]);
868 if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
869 inst.selectedDay = inst.currentDay;
870 inst.drawMonth = inst.selectedMonth = inst.currentMonth;
871 inst.drawYear = inst.selectedYear = inst.currentYear;
872 }
873 else {
874 var date = new Date();
875 inst.selectedDay = date.getDate();
876 inst.drawMonth = inst.selectedMonth = date.getMonth();
877 inst.drawYear = inst.selectedYear = date.getFullYear();
878 }
879 this._notifyChange(inst);
880 this._adjustDate(target);
881 },
883 /* Action for selecting a new month/year. */
884 _selectMonthYear: function(id, select, period) {
885 var target = $(id);
886 var inst = this._getInst(target[0]);
887 inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
888 inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
889 parseInt(select.options[select.selectedIndex].value,10);
890 this._notifyChange(inst);
891 this._adjustDate(target);
892 },
894 /* Action for selecting a day. */
895 _selectDay: function(id, month, year, td) {
896 var target = $(id);
897 if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
898 return;
899 }
900 var inst = this._getInst(target[0]);
901 inst.selectedDay = inst.currentDay = $('a', td).html();
902 inst.selectedMonth = inst.currentMonth = month;
903 inst.selectedYear = inst.currentYear = year;
904 this._selectDate(id, this._formatDate(inst,
905 inst.currentDay, inst.currentMonth, inst.currentYear));
906 },
908 /* Erase the input field and hide the date picker. */
909 _clearDate: function(id) {
910 var target = $(id);
911 var inst = this._getInst(target[0]);
912 this._selectDate(target, '');
913 },
915 /* Update the input field with the selected date. */
916 _selectDate: function(id, dateStr) {
917 var target = $(id);
918 var inst = this._getInst(target[0]);
919 dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
920 if (inst.input)
921 inst.input.val(dateStr);
922 this._updateAlternate(inst);
923 var onSelect = this._get(inst, 'onSelect');
924 if (onSelect)
925 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
926 else if (inst.input)
927 inst.input.trigger('change'); // fire the change event
928 if (inst.inline)
929 this._updateDatepicker(inst);
930 else {
931 this._hideDatepicker();
932 this._lastInput = inst.input[0];
933 if (typeof(inst.input[0]) != 'object')
934 inst.input.focus(); // restore focus
935 this._lastInput = null;
936 }
937 },
939 /* Update any alternate field to synchronise with the main field. */
940 _updateAlternate: function(inst) {
941 var altField = this._get(inst, 'altField');
942 if (altField) { // update alternate field too
943 var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
944 var date = this._getDate(inst);
945 var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
946 $(altField).each(function() { $(this).val(dateStr); });
947 }
948 },
950 /* Set as beforeShowDay function to prevent selection of weekends.
951 @param date Date - the date to customise
952 @return [boolean, string] - is this date selectable?, what is its CSS class? */
953 noWeekends: function(date) {
954 var day = date.getDay();
955 return [(day > 0 && day < 6), ''];
956 },
958 /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
959 @param date Date - the date to get the week for
960 @return number - the number of the week within the year that contains this date */
961 iso8601Week: function(date) {
962 var checkDate = new Date(date.getTime());
963 // Find Thursday of this week starting on Monday
964 checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
965 var time = checkDate.getTime();
966 checkDate.setMonth(0); // Compare with Jan 1
967 checkDate.setDate(1);
968 return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
969 },
971 /* Parse a string value into a date object.
972 See formatDate below for the possible formats.
974 @param format string - the expected format of the date
975 @param value string - the date in the above format
976 @param settings Object - attributes include:
977 shortYearCutoff number - the cutoff year for determining the century (optional)
978 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
979 dayNames string[7] - names of the days from Sunday (optional)
980 monthNamesShort string[12] - abbreviated names of the months (optional)
981 monthNames string[12] - names of the months (optional)
982 @return Date - the extracted date value or null if value is blank */
983 parseDate: function (format, value, settings) {
984 if (format == null || value == null)
985 throw 'Invalid arguments';
986 value = (typeof value == 'object' ? value.toString() : value + '');
987 if (value == '')
988 return null;
989 var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
990 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
991 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
992 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
993 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
994 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
995 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
996 var year = -1;
997 var month = -1;
998 var day = -1;
999 var doy = -1;
1000 var literal = false;
1001 // Check whether a format character is doubled
1002 var lookAhead = function(match) {
1003 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1004 if (matches)
1005 iFormat++;
1006 return matches;
1007 };
1008 // Extract a number from the string value
1009 var getNumber = function(match) {
1010 var isDoubled = lookAhead(match);
1011 var size = (match == '@' ? 14 : (match == '!' ? 20 :
1012 (match == 'y' && isDoubled ? 4 : (match == 'o' ? 3 : 2))));
1013 var digits = new RegExp('^\\d{1,' + size + '}');
1014 var num = value.substring(iValue).match(digits);
1015 if (!num)
1016 throw 'Missing number at position ' + iValue;
1017 iValue += num[0].length;
1018 return parseInt(num[0], 10);
1019 };
1020 // Extract a name from the string value and convert to an index
1021 var getName = function(match, shortNames, longNames) {
1022 var names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
1023 return [ [k, v] ];
1024 }).sort(function (a, b) {
1025 return -(a[1].length - b[1].length);
1026 });
1027 var index = -1;
1028 $.each(names, function (i, pair) {
1029 var name = pair[1];
1030 if (value.substr(iValue, name.length).toLowerCase() == name.toLowerCase()) {
1031 index = pair[0];
1032 iValue += name.length;
1033 return false;
1034 }
1035 });
1036 if (index != -1)
1037 return index + 1;
1038 else
1039 throw 'Unknown name at position ' + iValue;
1040 };
1041 // Confirm that a literal character matches the string value
1042 var checkLiteral = function() {
1043 if (value.charAt(iValue) != format.charAt(iFormat))
1044 throw 'Unexpected literal at position ' + iValue;
1045 iValue++;
1046 };
1047 var iValue = 0;
1048 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1049 if (literal)
1050 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1051 literal = false;
1052 else
1053 checkLiteral();
1054 else
1055 switch (format.charAt(iFormat)) {
1056 case 'd':
1057 day = getNumber('d');
1058 break;
1059 case 'D':
1060 getName('D', dayNamesShort, dayNames);
1061 break;
1062 case 'o':
1063 doy = getNumber('o');
1064 break;
1065 case 'm':
1066 month = getNumber('m');
1067 break;
1068 case 'M':
1069 month = getName('M', monthNamesShort, monthNames);
1070 break;
1071 case 'y':
1072 year = getNumber('y');
1073 break;
1074 case '@':
1075 var date = new Date(getNumber('@'));
1076 year = date.getFullYear();
1077 month = date.getMonth() + 1;
1078 day = date.getDate();
1079 break;
1080 case '!':
1081 var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
1082 year = date.getFullYear();
1083 month = date.getMonth() + 1;
1084 day = date.getDate();
1085 break;
1086 case "'":
1087 if (lookAhead("'"))
1088 checkLiteral();
1089 else
1090 literal = true;
1091 break;
1092 default:
1093 checkLiteral();
1094 }
1095 }
1096 if (iValue < value.length){
1097 throw "Extra/unparsed characters found in date: " + value.substring(iValue);
1098 }
1099 if (year == -1)
1100 year = new Date().getFullYear();
1101 else if (year < 100)
1102 year += new Date().getFullYear() - new Date().getFullYear() % 100 +
1103 (year <= shortYearCutoff ? 0 : -100);
1104 if (doy > -1) {
1105 month = 1;
1106 day = doy;
1107 do {
1108 var dim = this._getDaysInMonth(year, month - 1);
1109 if (day <= dim)
1110 break;
1111 month++;
1112 day -= dim;
1113 } while (true);
1114 }
1115 var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
1116 if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
1117 throw 'Invalid date'; // E.g. 31/02/00
1118 return date;
1119 },
1121 /* Standard date formats. */
1122 ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
1123 COOKIE: 'D, dd M yy',
1124 ISO_8601: 'yy-mm-dd',
1125 RFC_822: 'D, d M y',
1126 RFC_850: 'DD, dd-M-y',
1127 RFC_1036: 'D, d M y',
1128 RFC_1123: 'D, d M yy',
1129 RFC_2822: 'D, d M yy',
1130 RSS: 'D, d M y', // RFC 822
1131 TICKS: '!',
1132 TIMESTAMP: '@',
1133 W3C: 'yy-mm-dd', // ISO 8601
1135 _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
1136 Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
1138 /* Format a date object into a string value.
1139 The format can be combinations of the following:
1140 d - day of month (no leading zero)
1141 dd - day of month (two digit)
1142 o - day of year (no leading zeros)
1143 oo - day of year (three digit)
1144 D - day name short
1145 DD - day name long
1146 m - month of year (no leading zero)
1147 mm - month of year (two digit)
1148 M - month name short
1149 MM - month name long
1150 y - year (two digit)
1151 yy - year (four digit)
1152 @ - Unix timestamp (ms since 01/01/1970)
1153 ! - Windows ticks (100ns since 01/01/0001)
1154 '...' - literal text
1155 '' - single quote
1157 @param format string - the desired format of the date
1158 @param date Date - the date value to format
1159 @param settings Object - attributes include:
1160 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1161 dayNames string[7] - names of the days from Sunday (optional)
1162 monthNamesShort string[12] - abbreviated names of the months (optional)
1163 monthNames string[12] - names of the months (optional)
1164 @return string - the date in the above format */
1165 formatDate: function (format, date, settings) {
1166 if (!date)
1167 return '';
1168 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1169 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1170 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1171 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1172 // Check whether a format character is doubled
1173 var lookAhead = function(match) {
1174 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1175 if (matches)
1176 iFormat++;
1177 return matches;
1178 };
1179 // Format a number, with leading zero if necessary
1180 var formatNumber = function(match, value, len) {
1181 var num = '' + value;
1182 if (lookAhead(match))
1183 while (num.length < len)
1184 num = '0' + num;
1185 return num;
1186 };
1187 // Format a name, short or long as requested
1188 var formatName = function(match, value, shortNames, longNames) {
1189 return (lookAhead(match) ? longNames[value] : shortNames[value]);
1190 };
1191 var output = '';
1192 var literal = false;
1193 if (date)
1194 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1195 if (literal)
1196 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1197 literal = false;
1198 else
1199 output += format.charAt(iFormat);
1200 else
1201 switch (format.charAt(iFormat)) {
1202 case 'd':
1203 output += formatNumber('d', date.getDate(), 2);
1204 break;
1205 case 'D':
1206 output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1207 break;
1208 case 'o':
1209 output += formatNumber('o',
1210 Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000), 3);
1211 break;
1212 case 'm':
1213 output += formatNumber('m', date.getMonth() + 1, 2);
1214 break;
1215 case 'M':
1216 output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1217 break;
1218 case 'y':
1219 output += (lookAhead('y') ? date.getFullYear() :
1220 (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1221 break;
1222 case '@':
1223 output += date.getTime();
1224 break;
1225 case '!':
1226 output += date.getTime() * 10000 + this._ticksTo1970;
1227 break;
1228 case "'":
1229 if (lookAhead("'"))
1230 output += "'";
1231 else
1232 literal = true;
1233 break;
1234 default:
1235 output += format.charAt(iFormat);
1236 }
1237 }
1238 return output;
1239 },
1241 /* Extract all possible characters from the date format. */
1242 _possibleChars: function (format) {
1243 var chars = '';
1244 var literal = false;
1245 // Check whether a format character is doubled
1246 var lookAhead = function(match) {
1247 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1248 if (matches)
1249 iFormat++;
1250 return matches;
1251 };
1252 for (var iFormat = 0; iFormat < format.length; iFormat++)
1253 if (literal)
1254 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1255 literal = false;
1256 else
1257 chars += format.charAt(iFormat);
1258 else
1259 switch (format.charAt(iFormat)) {
1260 case 'd': case 'm': case 'y': case '@':
1261 chars += '0123456789';
1262 break;
1263 case 'D': case 'M':
1264 return null; // Accept anything
1265 case "'":
1266 if (lookAhead("'"))
1267 chars += "'";
1268 else
1269 literal = true;
1270 break;
1271 default:
1272 chars += format.charAt(iFormat);
1273 }
1274 return chars;
1275 },
1277 /* Get a setting value, defaulting if necessary. */
1278 _get: function(inst, name) {
1279 return inst.settings[name] !== undefined ?
1280 inst.settings[name] : this._defaults[name];
1281 },
1283 /* Parse existing date and initialise date picker. */
1284 _setDateFromField: function(inst, noDefault) {
1285 if (inst.input.val() == inst.lastVal) {
1286 return;
1287 }
1288 var dateFormat = this._get(inst, 'dateFormat');
1289 var dates = inst.lastVal = inst.input ? inst.input.val() : null;
1290 var date, defaultDate;
1291 date = defaultDate = this._getDefaultDate(inst);
1292 var settings = this._getFormatConfig(inst);
1293 try {
1294 date = this.parseDate(dateFormat, dates, settings) || defaultDate;
1295 } catch (event) {
1296 this.log(event);
1297 dates = (noDefault ? '' : dates);
1298 }
1299 inst.selectedDay = date.getDate();
1300 inst.drawMonth = inst.selectedMonth = date.getMonth();
1301 inst.drawYear = inst.selectedYear = date.getFullYear();
1302 inst.currentDay = (dates ? date.getDate() : 0);
1303 inst.currentMonth = (dates ? date.getMonth() : 0);
1304 inst.currentYear = (dates ? date.getFullYear() : 0);
1305 this._adjustInstDate(inst);
1306 },
1308 /* Retrieve the default date shown on opening. */
1309 _getDefaultDate: function(inst) {
1310 return this._restrictMinMax(inst,
1311 this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
1312 },
1314 /* A date may be specified as an exact value or a relative one. */
1315 _determineDate: function(inst, date, defaultDate) {
1316 var offsetNumeric = function(offset) {
1317 var date = new Date();
1318 date.setDate(date.getDate() + offset);
1319 return date;
1320 };
1321 var offsetString = function(offset) {
1322 try {
1323 return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
1324 offset, $.datepicker._getFormatConfig(inst));
1325 }
1326 catch (e) {
1327 // Ignore
1328 }
1329 var date = (offset.toLowerCase().match(/^c/) ?
1330 $.datepicker._getDate(inst) : null) || new Date();
1331 var year = date.getFullYear();
1332 var month = date.getMonth();
1333 var day = date.getDate();
1334 var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1335 var matches = pattern.exec(offset);
1336 while (matches) {
1337 switch (matches[2] || 'd') {
1338 case 'd' : case 'D' :
1339 day += parseInt(matches[1],10); break;
1340 case 'w' : case 'W' :
1341 day += parseInt(matches[1],10) * 7; break;
1342 case 'm' : case 'M' :
1343 month += parseInt(matches[1],10);
1344 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1345 break;
1346 case 'y': case 'Y' :
1347 year += parseInt(matches[1],10);
1348 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1349 break;
1350 }
1351 matches = pattern.exec(offset);
1352 }
1353 return new Date(year, month, day);
1354 };
1355 var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
1356 (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
1357 newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
1358 if (newDate) {
1359 newDate.setHours(0);
1360 newDate.setMinutes(0);
1361 newDate.setSeconds(0);
1362 newDate.setMilliseconds(0);
1363 }
1364 return this._daylightSavingAdjust(newDate);
1365 },
1367 /* Handle switch to/from daylight saving.
1368 Hours may be non-zero on daylight saving cut-over:
1369 > 12 when midnight changeover, but then cannot generate
1370 midnight datetime, so jump to 1AM, otherwise reset.
1371 @param date (Date) the date to check
1372 @return (Date) the corrected date */
1373 _daylightSavingAdjust: function(date) {
1374 if (!date) return null;
1375 date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1376 return date;
1377 },
1379 /* Set the date(s) directly. */
1380 _setDate: function(inst, date, noChange) {
1381 var clear = !date;
1382 var origMonth = inst.selectedMonth;
1383 var origYear = inst.selectedYear;
1384 var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
1385 inst.selectedDay = inst.currentDay = newDate.getDate();
1386 inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
1387 inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
1388 if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange)
1389 this._notifyChange(inst);
1390 this._adjustInstDate(inst);
1391 if (inst.input) {
1392 inst.input.val(clear ? '' : this._formatDate(inst));
1393 }
1394 },
1396 /* Retrieve the date(s) directly. */
1397 _getDate: function(inst) {
1398 var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1399 this._daylightSavingAdjust(new Date(
1400 inst.currentYear, inst.currentMonth, inst.currentDay)));
1401 return startDate;
1402 },
1404 /* Generate the HTML for the current state of the date picker. */
1405 _generateHTML: function(inst) {
1406 var today = new Date();
1407 today = this._daylightSavingAdjust(
1408 new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1409 var isRTL = this._get(inst, 'isRTL');
1410 var showButtonPanel = this._get(inst, 'showButtonPanel');
1411 var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1412 var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1413 var numMonths = this._getNumberOfMonths(inst);
1414 var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1415 var stepMonths = this._get(inst, 'stepMonths');
1416 var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1417 var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1418 new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1419 var minDate = this._getMinMaxDate(inst, 'min');
1420 var maxDate = this._getMinMaxDate(inst, 'max');
1421 var drawMonth = inst.drawMonth - showCurrentAtPos;
1422 var drawYear = inst.drawYear;
1423 if (drawMonth < 0) {
1424 drawMonth += 12;
1425 drawYear--;
1426 }
1427 if (maxDate) {
1428 var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1429 maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
1430 maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1431 while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1432 drawMonth--;
1433 if (drawMonth < 0) {
1434 drawMonth = 11;
1435 drawYear--;
1436 }
1437 }
1438 }
1439 inst.drawMonth = drawMonth;
1440 inst.drawYear = drawYear;
1441 var prevText = this._get(inst, 'prevText');
1442 prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1443 this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1444 this._getFormatConfig(inst)));
1445 var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1446 '<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1447 '.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
1448 ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1449 (hideIfNoPrevNext ? '' : '<a class="ui-datepicker-prev ui-corner-all ui-state-disabled" title="'+ prevText +'"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>'));
1450 var nextText = this._get(inst, 'nextText');
1451 nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1452 this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1453 this._getFormatConfig(inst)));
1454 var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1455 '<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1456 '.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
1457 ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1458 (hideIfNoPrevNext ? '' : '<a class="ui-datepicker-next ui-corner-all ui-state-disabled" title="'+ nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>'));
1459 var currentText = this._get(inst, 'currentText');
1460 var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1461 currentText = (!navigationAsDateFormat ? currentText :
1462 this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1463 var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1464 '.datepicker._hideDatepicker();">' + this._get(inst, 'closeText') + '</button>' : '');
1465 var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1466 (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1467 '.datepicker._gotoToday(\'#' + inst.id + '\');"' +
1468 '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1469 var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1470 firstDay = (isNaN(firstDay) ? 0 : firstDay);
1471 var showWeek = this._get(inst, 'showWeek');
1472 var dayNames = this._get(inst, 'dayNames');
1473 var dayNamesShort = this._get(inst, 'dayNamesShort');
1474 var dayNamesMin = this._get(inst, 'dayNamesMin');
1475 var monthNames = this._get(inst, 'monthNames');
1476 var monthNamesShort = this._get(inst, 'monthNamesShort');
1477 var beforeShowDay = this._get(inst, 'beforeShowDay');
1478 var showOtherMonths = this._get(inst, 'showOtherMonths');
1479 var selectOtherMonths = this._get(inst, 'selectOtherMonths');
1480 var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1481 var defaultDate = this._getDefaultDate(inst);
1482 var html = '';
1483 for (var row = 0; row < numMonths[0]; row++) {
1484 var group = '';
1485 this.maxRows = 4;
1486 for (var col = 0; col < numMonths[1]; col++) {
1487 var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1488 var cornerClass = ' ui-corner-all';
1489 var calender = '';
1490 if (isMultiMonth) {
1491 calender += '<div class="ui-datepicker-group';
1492 if (numMonths[1] > 1)
1493 switch (col) {
1494 case 0: calender += ' ui-datepicker-group-first';
1495 cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1496 case numMonths[1]-1: calender += ' ui-datepicker-group-last';
1497 cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1498 default: calender += ' ui-datepicker-group-middle'; cornerClass = ''; break;
1499 }
1500 calender += '">';
1501 }
1502 calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1503 (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1504 (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1505 this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1506 row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
1507 '</div><table class="ui-datepicker-calendar"><thead>' +
1508 '<tr>';
1509 var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
1510 for (var dow = 0; dow < 7; dow++) { // days of the week
1511 var day = (dow + firstDay) % 7;
1512 thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1513 '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1514 }
1515 calender += thead + '</tr></thead><tbody>';
1516 var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1517 if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1518 inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1519 var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1520 var curRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
1521 var numRows = (isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows); //If multiple months, use the higher number of rows (see #7043)
1522 this.maxRows = numRows;
1523 var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1524 for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1525 calender += '<tr>';
1526 var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
1527 this._get(inst, 'calculateWeek')(printDate) + '</td>');
1528 for (var dow = 0; dow < 7; dow++) { // create date picker days
1529 var daySettings = (beforeShowDay ?
1530 beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1531 var otherMonth = (printDate.getMonth() != drawMonth);
1532 var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
1533 (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1534 tbody += '<td class="' +
1535 ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1536 (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1537 ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1538 (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1539 // or defaultDate is current printedDate and defaultDate is selectedDate
1540 ' ' + this._dayOverClass : '') + // highlight selected day
1541 (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1542 (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1543 (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
1544 (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1545 ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1546 (unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' +
1547 inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + // actions
1548 (otherMonth && !showOtherMonths ? ' ' : // display for other months
1549 (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1550 (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1551 (printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + // highlight selected day
1552 (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
1553 '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
1554 printDate.setDate(printDate.getDate() + 1);
1555 printDate = this._daylightSavingAdjust(printDate);
1556 }
1557 calender += tbody + '</tr>';
1558 }
1559 drawMonth++;
1560 if (drawMonth > 11) {
1561 drawMonth = 0;
1562 drawYear++;
1563 }
1564 calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1565 ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1566 group += calender;
1567 }
1568 html += group;
1569 }
1570 html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1571 '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1572 inst._keyEvent = false;
1573 return html;
1574 },
1576 /* Generate the month and year header. */
1577 _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1578 secondary, monthNames, monthNamesShort) {
1579 var changeMonth = this._get(inst, 'changeMonth');
1580 var changeYear = this._get(inst, 'changeYear');
1581 var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1582 var html = '<div class="ui-datepicker-title">';
1583 var monthHtml = '';
1584 // month selection
1585 if (secondary || !changeMonth)
1586 monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
1587 else {
1588 var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1589 var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1590 monthHtml += '<select class="ui-datepicker-month" ' +
1591 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
1592 '>';
1593 for (var month = 0; month < 12; month++) {
1594 if ((!inMinYear || month >= minDate.getMonth()) &&
1595 (!inMaxYear || month <= maxDate.getMonth()))
1596 monthHtml += '<option value="' + month + '"' +
1597 (month == drawMonth ? ' selected="selected"' : '') +
1598 '>' + monthNamesShort[month] + '</option>';
1599 }
1600 monthHtml += '</select>';
1601 }
1602 if (!showMonthAfterYear)
1603 html += monthHtml + (secondary || !(changeMonth && changeYear) ? ' ' : '');
1604 // year selection
1605 if ( !inst.yearshtml ) {
1606 inst.yearshtml = '';
1607 if (secondary || !changeYear)
1608 html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1609 else {
1610 // determine range of years to display
1611 var years = this._get(inst, 'yearRange').split(':');
1612 var thisYear = new Date().getFullYear();
1613 var determineYear = function(value) {
1614 var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
1615 (value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
1616 parseInt(value, 10)));
1617 return (isNaN(year) ? thisYear : year);
1618 };
1619 var year = determineYear(years[0]);
1620 var endYear = Math.max(year, determineYear(years[1] || ''));
1621 year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1622 endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1623 inst.yearshtml += '<select class="ui-datepicker-year" ' +
1624 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
1625 '>';
1626 for (; year <= endYear; year++) {
1627 inst.yearshtml += '<option value="' + year + '"' +
1628 (year == drawYear ? ' selected="selected"' : '') +
1629 '>' + year + '</option>';
1630 }
1631 inst.yearshtml += '</select>';
1633 html += inst.yearshtml;
1634 inst.yearshtml = null;
1635 }
1636 }
1637 html += this._get(inst, 'yearSuffix');
1638 if (showMonthAfterYear)
1639 html += (secondary || !(changeMonth && changeYear) ? ' ' : '') + monthHtml;
1640 html += '</div>'; // Close datepicker_header
1641 return html;
1642 },
1644 /* Adjust one of the date sub-fields. */
1645 _adjustInstDate: function(inst, offset, period) {
1646 var year = inst.drawYear + (period == 'Y' ? offset : 0);
1647 var month = inst.drawMonth + (period == 'M' ? offset : 0);
1648 var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1649 (period == 'D' ? offset : 0);
1650 var date = this._restrictMinMax(inst,
1651 this._daylightSavingAdjust(new Date(year, month, day)));
1652 inst.selectedDay = date.getDate();
1653 inst.drawMonth = inst.selectedMonth = date.getMonth();
1654 inst.drawYear = inst.selectedYear = date.getFullYear();
1655 if (period == 'M' || period == 'Y')
1656 this._notifyChange(inst);
1657 },
1659 /* Ensure a date is within any min/max bounds. */
1660 _restrictMinMax: function(inst, date) {
1661 var minDate = this._getMinMaxDate(inst, 'min');
1662 var maxDate = this._getMinMaxDate(inst, 'max');
1663 var newDate = (minDate && date < minDate ? minDate : date);
1664 newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
1665 return newDate;
1666 },
1668 /* Notify change of month/year. */
1669 _notifyChange: function(inst) {
1670 var onChange = this._get(inst, 'onChangeMonthYear');
1671 if (onChange)
1672 onChange.apply((inst.input ? inst.input[0] : null),
1673 [inst.selectedYear, inst.selectedMonth + 1, inst]);
1674 },
1676 /* Determine the number of months to show. */
1677 _getNumberOfMonths: function(inst) {
1678 var numMonths = this._get(inst, 'numberOfMonths');
1679 return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1680 },
1682 /* Determine the current maximum date - ensure no time components are set. */
1683 _getMinMaxDate: function(inst, minMax) {
1684 return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
1685 },
1687 /* Find the number of days in a given month. */
1688 _getDaysInMonth: function(year, month) {
1689 return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
1690 },
1692 /* Find the day of the week of the first of a month. */
1693 _getFirstDayOfMonth: function(year, month) {
1694 return new Date(year, month, 1).getDay();
1695 },
1697 /* Determines if we should allow a "next/prev" month display change. */
1698 _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1699 var numMonths = this._getNumberOfMonths(inst);
1700 var date = this._daylightSavingAdjust(new Date(curYear,
1701 curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
1702 if (offset < 0)
1703 date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1704 return this._isInRange(inst, date);
1705 },
1707 /* Is the given date in the accepted range? */
1708 _isInRange: function(inst, date) {
1709 var minDate = this._getMinMaxDate(inst, 'min');
1710 var maxDate = this._getMinMaxDate(inst, 'max');
1711 return ((!minDate || date.getTime() >= minDate.getTime()) &&
1712 (!maxDate || date.getTime() <= maxDate.getTime()));
1713 },
1715 /* Provide the configuration settings for formatting/parsing. */
1716 _getFormatConfig: function(inst) {
1717 var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1718 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1719 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1720 return {shortYearCutoff: shortYearCutoff,
1721 dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1722 monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1723 },
1725 /* Format the given date for display. */
1726 _formatDate: function(inst, day, month, year) {
1727 if (!day) {
1728 inst.currentDay = inst.selectedDay;
1729 inst.currentMonth = inst.selectedMonth;
1730 inst.currentYear = inst.selectedYear;
1731 }
1732 var date = (day ? (typeof day == 'object' ? day :
1733 this._daylightSavingAdjust(new Date(year, month, day))) :
1734 this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1735 return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1736 }
1737 });
1739 /*
1740 * Bind hover events for datepicker elements.
1741 * Done via delegate so the binding only occurs once in the lifetime of the parent div.
1742 * Global instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
1743 */
1744 function bindHover(dpDiv) {
1745 var selector = 'button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a';
1746 return dpDiv.bind('mouseout', function(event) {
1747 var elem = $( event.target ).closest( selector );
1748 if ( !elem.length ) {
1749 return;
1750 }
1751 elem.removeClass( "ui-state-hover ui-datepicker-prev-hover ui-datepicker-next-hover" );
1752 })
1753 .bind('mouseover', function(event) {
1754 var elem = $( event.target ).closest( selector );
1755 if ($.datepicker._isDisabledDatepicker( instActive.inline ? dpDiv.parent()[0] : instActive.input[0]) ||
1756 !elem.length ) {
1757 return;
1758 }
1759 elem.parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
1760 elem.addClass('ui-state-hover');
1761 if (elem.hasClass('ui-datepicker-prev')) elem.addClass('ui-datepicker-prev-hover');
1762 if (elem.hasClass('ui-datepicker-next')) elem.addClass('ui-datepicker-next-hover');
1763 });
1764 }
1766 /* jQuery extend now ignores nulls! */
1767 function extendRemove(target, props) {
1768 $.extend(target, props);
1769 for (var name in props)
1770 if (props[name] == null || props[name] == undefined)
1771 target[name] = props[name];
1772 return target;
1773 };
1775 /* Determine whether an object is an array. */
1776 function isArray(a) {
1777 return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
1778 (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1779 };
1781 /* Invoke the datepicker functionality.
1782 @param options string - a command, optionally followed by additional parameters or
1783 Object - settings for attaching new datepicker functionality
1784 @return jQuery object */
1785 $.fn.datepicker = function(options){
1787 /* Verify an empty collection wasn't passed - Fixes #6976 */
1788 if ( !this.length ) {
1789 return this;
1790 }
1792 /* Initialise the date picker. */
1793 if (!$.datepicker.initialized) {
1794 $(document).mousedown($.datepicker._checkExternalClick).
1795 find('body').append($.datepicker.dpDiv);
1796 $.datepicker.initialized = true;
1797 }
1799 var otherArgs = Array.prototype.slice.call(arguments, 1);
1800 if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'widget'))
1801 return $.datepicker['_' + options + 'Datepicker'].
1802 apply($.datepicker, [this[0]].concat(otherArgs));
1803 if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
1804 return $.datepicker['_' + options + 'Datepicker'].
1805 apply($.datepicker, [this[0]].concat(otherArgs));
1806 return this.each(function() {
1807 typeof options == 'string' ?
1808 $.datepicker['_' + options + 'Datepicker'].
1809 apply($.datepicker, [this].concat(otherArgs)) :
1810 $.datepicker._attachDatepicker(this, options);
1811 });
1812 };
1814 $.datepicker = new Datepicker(); // singleton instance
1815 $.datepicker.initialized = false;
1816 $.datepicker.uuid = new Date().getTime();
1817 $.datepicker.version = "1.8.17";
1819 // Workaround for #4055
1820 // Add another global to avoid noConflict issues with inline event handlers
1821 window['DP_jQuery_' + dpuuid] = $;
1823 })(jQuery);