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Updating jQuery UI to 1.8.11 (was 1.8.2). Also loosening button css, since j.ui.butto...
[lhc/web/wiklou.git] / resources / jquery.ui / jquery.ui.datepicker.js
1 /*
2 * jQuery UI Datepicker 1.8.11
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 ) {
14
15 $.extend($.ui, { datepicker: { version: "1.8.11" } });
16
17 var PROP_NAME = 'datepicker';
18 var dpuuid = new Date().getTime();
19
20 /* Date picker manager.
21 Use the singleton instance of this class, $.datepicker, to interact with the date picker.
22 Settings for (groups of) date pickers are maintained in an instance object,
23 allowing multiple different settings on the same page. */
24
25 function Datepicker() {
26 this.debug = false; // Change this to true to start debugging
27 this._curInst = null; // The current instance in use
28 this._keyEvent = false; // If the last event was a key event
29 this._disabledInputs = []; // List of date picker inputs that have been disabled
30 this._datepickerShowing = false; // True if the popup picker is showing , false if not
31 this._inDialog = false; // True if showing within a "dialog", false if not
32 this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
33 this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
34 this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
35 this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
36 this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
37 this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
38 this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
39 this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
40 this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
41 this.regional = []; // Available regional settings, indexed by language code
42 this.regional[''] = { // Default regional settings
43 closeText: 'Done', // Display text for close link
44 prevText: 'Prev', // Display text for previous month link
45 nextText: 'Next', // Display text for next month link
46 currentText: 'Today', // Display text for current month link
47 monthNames: ['January','February','March','April','May','June',
48 'July','August','September','October','November','December'], // Names of months for drop-down and formatting
49 monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
50 dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
51 dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
52 dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
53 weekHeader: 'Wk', // Column header for week of the year
54 dateFormat: 'mm/dd/yy', // See format options on parseDate
55 firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
56 isRTL: false, // True if right-to-left language, false if left-to-right
57 showMonthAfterYear: false, // True if the year select precedes month, false for month then year
58 yearSuffix: '' // Additional text to append to the year in the month headers
59 };
60 this._defaults = { // Global defaults for all the date picker instances
61 showOn: 'focus', // 'focus' for popup on focus,
62 // 'button' for trigger button, or 'both' for either
63 showAnim: 'fadeIn', // Name of jQuery animation for popup
64 showOptions: {}, // Options for enhanced animations
65 defaultDate: null, // Used when field is blank: actual date,
66 // +/-number for offset from today, null for today
67 appendText: '', // Display text following the input box, e.g. showing the format
68 buttonText: '...', // Text for trigger button
69 buttonImage: '', // URL for trigger button image
70 buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
71 hideIfNoPrevNext: false, // True to hide next/previous month links
72 // if not applicable, false to just disable them
73 navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
74 gotoCurrent: false, // True if today link goes back to current selection instead
75 changeMonth: false, // True if month can be selected directly, false if only prev/next
76 changeYear: false, // True if year can be selected directly, false if only prev/next
77 yearRange: 'c-10:c+10', // Range of years to display in drop-down,
78 // either relative to today's year (-nn:+nn), relative to currently displayed year
79 // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
80 showOtherMonths: false, // True to show dates in other months, false to leave blank
81 selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
82 showWeek: false, // True to show week of the year, false to not show it
83 calculateWeek: this.iso8601Week, // How to calculate the week of the year,
84 // takes a Date and returns the number of the week for it
85 shortYearCutoff: '+10', // Short year values < this are in the current century,
86 // > this are in the previous century,
87 // string value starting with '+' for current year + value
88 minDate: null, // The earliest selectable date, or null for no limit
89 maxDate: null, // The latest selectable date, or null for no limit
90 duration: 'fast', // Duration of display/closure
91 beforeShowDay: null, // Function that takes a date and returns an array with
92 // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
93 // [2] = cell title (optional), e.g. $.datepicker.noWeekends
94 beforeShow: null, // Function that takes an input field and
95 // returns a set of custom settings for the date picker
96 onSelect: null, // Define a callback function when a date is selected
97 onChangeMonthYear: null, // Define a callback function when the month or year is changed
98 onClose: null, // Define a callback function when the datepicker is closed
99 numberOfMonths: 1, // Number of months to show at a time
100 showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
101 stepMonths: 1, // Number of months to step back/forward
102 stepBigMonths: 12, // Number of months to step back/forward for the big links
103 altField: '', // Selector for an alternate field to store selected dates into
104 altFormat: '', // The date format to use for the alternate field
105 constrainInput: true, // The input is constrained by the current date format
106 showButtonPanel: false, // True to show button panel, false to not show it
107 autoSize: false // True to size the input for the date format, false to leave as is
108 };
109 $.extend(this._defaults, this.regional['']);
110 this.dpDiv = $('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>');
111 }
112
113 $.extend(Datepicker.prototype, {
114 /* Class name added to elements to indicate already configured with a date picker. */
115 markerClassName: 'hasDatepicker',
116
117 /* Debug logging (if enabled). */
118 log: function () {
119 if (this.debug)
120 console.log.apply('', arguments);
121 },
122
123 // TODO rename to "widget" when switching to widget factory
124 _widgetDatepicker: function() {
125 return this.dpDiv;
126 },
127
128 /* Override the default settings for all instances of the date picker.
129 @param settings object - the new settings to use as defaults (anonymous object)
130 @return the manager object */
131 setDefaults: function(settings) {
132 extendRemove(this._defaults, settings || {});
133 return this;
134 },
135
136 /* Attach the date picker to a jQuery selection.
137 @param target element - the target input field or division or span
138 @param settings object - the new settings to use for this date picker instance (anonymous) */
139 _attachDatepicker: function(target, settings) {
140 // check for settings on the control itself - in namespace 'date:'
141 var inlineSettings = null;
142 for (var attrName in this._defaults) {
143 var attrValue = target.getAttribute('date:' + attrName);
144 if (attrValue) {
145 inlineSettings = inlineSettings || {};
146 try {
147 inlineSettings[attrName] = eval(attrValue);
148 } catch (err) {
149 inlineSettings[attrName] = attrValue;
150 }
151 }
152 }
153 var nodeName = target.nodeName.toLowerCase();
154 var inline = (nodeName == 'div' || nodeName == 'span');
155 if (!target.id) {
156 this.uuid += 1;
157 target.id = 'dp' + this.uuid;
158 }
159 var inst = this._newInst($(target), inline);
160 inst.settings = $.extend({}, settings || {}, inlineSettings || {});
161 if (nodeName == 'input') {
162 this._connectDatepicker(target, inst);
163 } else if (inline) {
164 this._inlineDatepicker(target, inst);
165 }
166 },
167
168 /* Create a new instance object. */
169 _newInst: function(target, inline) {
170 var id = target[0].id.replace(/([^A-Za-z0-9_-])/g, '\\\\$1'); // escape jQuery meta chars
171 return {id: id, input: target, // associated target
172 selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
173 drawMonth: 0, drawYear: 0, // month being drawn
174 inline: inline, // is datepicker inline or not
175 dpDiv: (!inline ? this.dpDiv : // presentation div
176 $('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'))};
177 },
178
179 /* Attach the date picker to an input field. */
180 _connectDatepicker: function(target, inst) {
181 var input = $(target);
182 inst.append = $([]);
183 inst.trigger = $([]);
184 if (input.hasClass(this.markerClassName))
185 return;
186 this._attachments(input, inst);
187 input.addClass(this.markerClassName).keydown(this._doKeyDown).
188 keypress(this._doKeyPress).keyup(this._doKeyUp).
189 bind("setData.datepicker", function(event, key, value) {
190 inst.settings[key] = value;
191 }).bind("getData.datepicker", function(event, key) {
192 return this._get(inst, key);
193 });
194 this._autoSize(inst);
195 $.data(target, PROP_NAME, inst);
196 },
197
198 /* Make attachments based on settings. */
199 _attachments: function(input, inst) {
200 var appendText = this._get(inst, 'appendText');
201 var isRTL = this._get(inst, 'isRTL');
202 if (inst.append)
203 inst.append.remove();
204 if (appendText) {
205 inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
206 input[isRTL ? 'before' : 'after'](inst.append);
207 }
208 input.unbind('focus', this._showDatepicker);
209 if (inst.trigger)
210 inst.trigger.remove();
211 var showOn = this._get(inst, 'showOn');
212 if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
213 input.focus(this._showDatepicker);
214 if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
215 var buttonText = this._get(inst, 'buttonText');
216 var buttonImage = this._get(inst, 'buttonImage');
217 inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
218 $('<img/>').addClass(this._triggerClass).
219 attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
220 $('<button type="button"></button>').addClass(this._triggerClass).
221 html(buttonImage == '' ? buttonText : $('<img/>').attr(
222 { src:buttonImage, alt:buttonText, title:buttonText })));
223 input[isRTL ? 'before' : 'after'](inst.trigger);
224 inst.trigger.click(function() {
225 if ($.datepicker._datepickerShowing && $.datepicker._lastInput == input[0])
226 $.datepicker._hideDatepicker();
227 else
228 $.datepicker._showDatepicker(input[0]);
229 return false;
230 });
231 }
232 },
233
234 /* Apply the maximum length for the date format. */
235 _autoSize: function(inst) {
236 if (this._get(inst, 'autoSize') && !inst.inline) {
237 var date = new Date(2009, 12 - 1, 20); // Ensure double digits
238 var dateFormat = this._get(inst, 'dateFormat');
239 if (dateFormat.match(/[DM]/)) {
240 var findMax = function(names) {
241 var max = 0;
242 var maxI = 0;
243 for (var i = 0; i < names.length; i++) {
244 if (names[i].length > max) {
245 max = names[i].length;
246 maxI = i;
247 }
248 }
249 return maxI;
250 };
251 date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
252 'monthNames' : 'monthNamesShort'))));
253 date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
254 'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
255 }
256 inst.input.attr('size', this._formatDate(inst, date).length);
257 }
258 },
259
260 /* Attach an inline date picker to a div. */
261 _inlineDatepicker: function(target, inst) {
262 var divSpan = $(target);
263 if (divSpan.hasClass(this.markerClassName))
264 return;
265 divSpan.addClass(this.markerClassName).append(inst.dpDiv).
266 bind("setData.datepicker", function(event, key, value){
267 inst.settings[key] = value;
268 }).bind("getData.datepicker", function(event, key){
269 return this._get(inst, key);
270 });
271 $.data(target, PROP_NAME, inst);
272 this._setDate(inst, this._getDefaultDate(inst), true);
273 this._updateDatepicker(inst);
274 this._updateAlternate(inst);
275 inst.dpDiv.show();
276 },
277
278 /* Pop-up the date picker in a "dialog" box.
279 @param input element - ignored
280 @param date string or Date - the initial date to display
281 @param onSelect function - the function to call when a date is selected
282 @param settings object - update the dialog date picker instance's settings (anonymous object)
283 @param pos int[2] - coordinates for the dialog's position within the screen or
284 event - with x/y coordinates or
285 leave empty for default (screen centre)
286 @return the manager object */
287 _dialogDatepicker: function(input, date, onSelect, settings, pos) {
288 var inst = this._dialogInst; // internal instance
289 if (!inst) {
290 this.uuid += 1;
291 var id = 'dp' + this.uuid;
292 this._dialogInput = $('<input type="text" id="' + id +
293 '" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>');
294 this._dialogInput.keydown(this._doKeyDown);
295 $('body').append(this._dialogInput);
296 inst = this._dialogInst = this._newInst(this._dialogInput, false);
297 inst.settings = {};
298 $.data(this._dialogInput[0], PROP_NAME, inst);
299 }
300 extendRemove(inst.settings, settings || {});
301 date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
302 this._dialogInput.val(date);
303
304 this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
305 if (!this._pos) {
306 var browserWidth = document.documentElement.clientWidth;
307 var browserHeight = document.documentElement.clientHeight;
308 var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
309 var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
310 this._pos = // should use actual width/height below
311 [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
312 }
313
314 // move input on screen for focus, but hidden behind dialog
315 this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
316 inst.settings.onSelect = onSelect;
317 this._inDialog = true;
318 this.dpDiv.addClass(this._dialogClass);
319 this._showDatepicker(this._dialogInput[0]);
320 if ($.blockUI)
321 $.blockUI(this.dpDiv);
322 $.data(this._dialogInput[0], PROP_NAME, inst);
323 return this;
324 },
325
326 /* Detach a datepicker from its control.
327 @param target element - the target input field or division or span */
328 _destroyDatepicker: function(target) {
329 var $target = $(target);
330 var inst = $.data(target, PROP_NAME);
331 if (!$target.hasClass(this.markerClassName)) {
332 return;
333 }
334 var nodeName = target.nodeName.toLowerCase();
335 $.removeData(target, PROP_NAME);
336 if (nodeName == 'input') {
337 inst.append.remove();
338 inst.trigger.remove();
339 $target.removeClass(this.markerClassName).
340 unbind('focus', this._showDatepicker).
341 unbind('keydown', this._doKeyDown).
342 unbind('keypress', this._doKeyPress).
343 unbind('keyup', this._doKeyUp);
344 } else if (nodeName == 'div' || nodeName == 'span')
345 $target.removeClass(this.markerClassName).empty();
346 },
347
348 /* Enable the date picker to a jQuery selection.
349 @param target element - the target input field or division or span */
350 _enableDatepicker: function(target) {
351 var $target = $(target);
352 var inst = $.data(target, PROP_NAME);
353 if (!$target.hasClass(this.markerClassName)) {
354 return;
355 }
356 var nodeName = target.nodeName.toLowerCase();
357 if (nodeName == 'input') {
358 target.disabled = false;
359 inst.trigger.filter('button').
360 each(function() { this.disabled = false; }).end().
361 filter('img').css({opacity: '1.0', cursor: ''});
362 }
363 else if (nodeName == 'div' || nodeName == 'span') {
364 var inline = $target.children('.' + this._inlineClass);
365 inline.children().removeClass('ui-state-disabled');
366 }
367 this._disabledInputs = $.map(this._disabledInputs,
368 function(value) { return (value == target ? null : value); }); // delete entry
369 },
370
371 /* Disable the date picker to a jQuery selection.
372 @param target element - the target input field or division or span */
373 _disableDatepicker: function(target) {
374 var $target = $(target);
375 var inst = $.data(target, PROP_NAME);
376 if (!$target.hasClass(this.markerClassName)) {
377 return;
378 }
379 var nodeName = target.nodeName.toLowerCase();
380 if (nodeName == 'input') {
381 target.disabled = true;
382 inst.trigger.filter('button').
383 each(function() { this.disabled = true; }).end().
384 filter('img').css({opacity: '0.5', cursor: 'default'});
385 }
386 else if (nodeName == 'div' || nodeName == 'span') {
387 var inline = $target.children('.' + this._inlineClass);
388 inline.children().addClass('ui-state-disabled');
389 }
390 this._disabledInputs = $.map(this._disabledInputs,
391 function(value) { return (value == target ? null : value); }); // delete entry
392 this._disabledInputs[this._disabledInputs.length] = target;
393 },
394
395 /* Is the first field in a jQuery collection disabled as a datepicker?
396 @param target element - the target input field or division or span
397 @return boolean - true if disabled, false if enabled */
398 _isDisabledDatepicker: function(target) {
399 if (!target) {
400 return false;
401 }
402 for (var i = 0; i < this._disabledInputs.length; i++) {
403 if (this._disabledInputs[i] == target)
404 return true;
405 }
406 return false;
407 },
408
409 /* Retrieve the instance data for the target control.
410 @param target element - the target input field or division or span
411 @return object - the associated instance data
412 @throws error if a jQuery problem getting data */
413 _getInst: function(target) {
414 try {
415 return $.data(target, PROP_NAME);
416 }
417 catch (err) {
418 throw 'Missing instance data for this datepicker';
419 }
420 },
421
422 /* Update or retrieve the settings for a date picker attached to an input field or division.
423 @param target element - the target input field or division or span
424 @param name object - the new settings to update or
425 string - the name of the setting to change or retrieve,
426 when retrieving also 'all' for all instance settings or
427 'defaults' for all global defaults
428 @param value any - the new value for the setting
429 (omit if above is an object or to retrieve a value) */
430 _optionDatepicker: function(target, name, value) {
431 var inst = this._getInst(target);
432 if (arguments.length == 2 && typeof name == 'string') {
433 return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
434 (inst ? (name == 'all' ? $.extend({}, inst.settings) :
435 this._get(inst, name)) : null));
436 }
437 var settings = name || {};
438 if (typeof name == 'string') {
439 settings = {};
440 settings[name] = value;
441 }
442 if (inst) {
443 if (this._curInst == inst) {
444 this._hideDatepicker();
445 }
446 var date = this._getDateDatepicker(target, true);
447 var minDate = this._getMinMaxDate(inst, 'min');
448 var maxDate = this._getMinMaxDate(inst, 'max');
449 extendRemove(inst.settings, settings);
450 // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
451 if (minDate !== null && settings['dateFormat'] !== undefined && settings['minDate'] === undefined)
452 inst.settings.minDate = this._formatDate(inst, minDate);
453 if (maxDate !== null && settings['dateFormat'] !== undefined && settings['maxDate'] === undefined)
454 inst.settings.maxDate = this._formatDate(inst, maxDate);
455 this._attachments($(target), inst);
456 this._autoSize(inst);
457 this._setDateDatepicker(target, date);
458 this._updateDatepicker(inst);
459 }
460 },
461
462 // change method deprecated
463 _changeDatepicker: function(target, name, value) {
464 this._optionDatepicker(target, name, value);
465 },
466
467 /* Redraw the date picker attached to an input field or division.
468 @param target element - the target input field or division or span */
469 _refreshDatepicker: function(target) {
470 var inst = this._getInst(target);
471 if (inst) {
472 this._updateDatepicker(inst);
473 }
474 },
475
476 /* Set the dates for a jQuery selection.
477 @param target element - the target input field or division or span
478 @param date Date - the new date */
479 _setDateDatepicker: function(target, date) {
480 var inst = this._getInst(target);
481 if (inst) {
482 this._setDate(inst, date);
483 this._updateDatepicker(inst);
484 this._updateAlternate(inst);
485 }
486 },
487
488 /* Get the date(s) for the first entry in a jQuery selection.
489 @param target element - the target input field or division or span
490 @param noDefault boolean - true if no default date is to be used
491 @return Date - the current date */
492 _getDateDatepicker: function(target, noDefault) {
493 var inst = this._getInst(target);
494 if (inst && !inst.inline)
495 this._setDateFromField(inst, noDefault);
496 return (inst ? this._getDate(inst) : null);
497 },
498
499 /* Handle keystrokes. */
500 _doKeyDown: function(event) {
501 var inst = $.datepicker._getInst(event.target);
502 var handled = true;
503 var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
504 inst._keyEvent = true;
505 if ($.datepicker._datepickerShowing)
506 switch (event.keyCode) {
507 case 9: $.datepicker._hideDatepicker();
508 handled = false;
509 break; // hide on tab out
510 case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
511 $.datepicker._currentClass + ')', inst.dpDiv);
512 if (sel[0])
513 $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
514 else
515 $.datepicker._hideDatepicker();
516 return false; // don't submit the form
517 break; // select the value on enter
518 case 27: $.datepicker._hideDatepicker();
519 break; // hide on escape
520 case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
521 -$.datepicker._get(inst, 'stepBigMonths') :
522 -$.datepicker._get(inst, 'stepMonths')), 'M');
523 break; // previous month/year on page up/+ ctrl
524 case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
525 +$.datepicker._get(inst, 'stepBigMonths') :
526 +$.datepicker._get(inst, 'stepMonths')), 'M');
527 break; // next month/year on page down/+ ctrl
528 case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
529 handled = event.ctrlKey || event.metaKey;
530 break; // clear on ctrl or command +end
531 case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
532 handled = event.ctrlKey || event.metaKey;
533 break; // current on ctrl or command +home
534 case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
535 handled = event.ctrlKey || event.metaKey;
536 // -1 day on ctrl or command +left
537 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
538 -$.datepicker._get(inst, 'stepBigMonths') :
539 -$.datepicker._get(inst, 'stepMonths')), 'M');
540 // next month/year on alt +left on Mac
541 break;
542 case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
543 handled = event.ctrlKey || event.metaKey;
544 break; // -1 week on ctrl or command +up
545 case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
546 handled = event.ctrlKey || event.metaKey;
547 // +1 day on ctrl or command +right
548 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
549 +$.datepicker._get(inst, 'stepBigMonths') :
550 +$.datepicker._get(inst, 'stepMonths')), 'M');
551 // next month/year on alt +right
552 break;
553 case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
554 handled = event.ctrlKey || event.metaKey;
555 break; // +1 week on ctrl or command +down
556 default: handled = false;
557 }
558 else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
559 $.datepicker._showDatepicker(this);
560 else {
561 handled = false;
562 }
563 if (handled) {
564 event.preventDefault();
565 event.stopPropagation();
566 }
567 },
568
569 /* Filter entered characters - based on date format. */
570 _doKeyPress: function(event) {
571 var inst = $.datepicker._getInst(event.target);
572 if ($.datepicker._get(inst, 'constrainInput')) {
573 var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
574 var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
575 return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
576 }
577 },
578
579 /* Synchronise manual entry and field/alternate field. */
580 _doKeyUp: function(event) {
581 var inst = $.datepicker._getInst(event.target);
582 if (inst.input.val() != inst.lastVal) {
583 try {
584 var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
585 (inst.input ? inst.input.val() : null),
586 $.datepicker._getFormatConfig(inst));
587 if (date) { // only if valid
588 $.datepicker._setDateFromField(inst);
589 $.datepicker._updateAlternate(inst);
590 $.datepicker._updateDatepicker(inst);
591 }
592 }
593 catch (event) {
594 $.datepicker.log(event);
595 }
596 }
597 return true;
598 },
599
600 /* Pop-up the date picker for a given input field.
601 @param input element - the input field attached to the date picker or
602 event - if triggered by focus */
603 _showDatepicker: function(input) {
604 input = input.target || input;
605 if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
606 input = $('input', input.parentNode)[0];
607 if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
608 return;
609 var inst = $.datepicker._getInst(input);
610 if ($.datepicker._curInst && $.datepicker._curInst != inst) {
611 $.datepicker._curInst.dpDiv.stop(true, true);
612 }
613 var beforeShow = $.datepicker._get(inst, 'beforeShow');
614 extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
615 inst.lastVal = null;
616 $.datepicker._lastInput = input;
617 $.datepicker._setDateFromField(inst);
618 if ($.datepicker._inDialog) // hide cursor
619 input.value = '';
620 if (!$.datepicker._pos) { // position below input
621 $.datepicker._pos = $.datepicker._findPos(input);
622 $.datepicker._pos[1] += input.offsetHeight; // add the height
623 }
624 var isFixed = false;
625 $(input).parents().each(function() {
626 isFixed |= $(this).css('position') == 'fixed';
627 return !isFixed;
628 });
629 if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
630 $.datepicker._pos[0] -= document.documentElement.scrollLeft;
631 $.datepicker._pos[1] -= document.documentElement.scrollTop;
632 }
633 var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
634 $.datepicker._pos = null;
635 //to avoid flashes on Firefox
636 inst.dpDiv.empty();
637 // determine sizing offscreen
638 inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
639 $.datepicker._updateDatepicker(inst);
640 // fix width for dynamic number of date pickers
641 // and adjust position before showing
642 offset = $.datepicker._checkOffset(inst, offset, isFixed);
643 inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
644 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
645 left: offset.left + 'px', top: offset.top + 'px'});
646 if (!inst.inline) {
647 var showAnim = $.datepicker._get(inst, 'showAnim');
648 var duration = $.datepicker._get(inst, 'duration');
649 var postProcess = function() {
650 $.datepicker._datepickerShowing = true;
651 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
652 if( !! cover.length ){
653 var borders = $.datepicker._getBorders(inst.dpDiv);
654 cover.css({left: -borders[0], top: -borders[1],
655 width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
656 }
657 };
658 inst.dpDiv.zIndex($(input).zIndex()+1);
659 if ($.effects && $.effects[showAnim])
660 inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
661 else
662 inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
663 if (!showAnim || !duration)
664 postProcess();
665 if (inst.input.is(':visible') && !inst.input.is(':disabled'))
666 inst.input.focus();
667 $.datepicker._curInst = inst;
668 }
669 },
670
671 /* Generate the date picker content. */
672 _updateDatepicker: function(inst) {
673 var self = this;
674 var borders = $.datepicker._getBorders(inst.dpDiv);
675 inst.dpDiv.empty().append(this._generateHTML(inst));
676 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
677 if( !!cover.length ){ //avoid call to outerXXXX() when not in IE6
678 cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
679 }
680 inst.dpDiv.find('button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a')
681 .bind('mouseout', function(){
682 $(this).removeClass('ui-state-hover');
683 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
684 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover');
685 })
686 .bind('mouseover', function(){
687 if (!self._isDisabledDatepicker( inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
688 $(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
689 $(this).addClass('ui-state-hover');
690 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
691 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover');
692 }
693 })
694 .end()
695 .find('.' + this._dayOverClass + ' a')
696 .trigger('mouseover')
697 .end();
698 var numMonths = this._getNumberOfMonths(inst);
699 var cols = numMonths[1];
700 var width = 17;
701 if (cols > 1)
702 inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
703 else
704 inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
705 inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
706 'Class']('ui-datepicker-multi');
707 inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
708 'Class']('ui-datepicker-rtl');
709 if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
710 // #6694 - don't focus the input if it's already focused
711 // this breaks the change event in IE
712 inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] != document.activeElement)
713 inst.input.focus();
714 // deffered render of the years select (to avoid flashes on Firefox)
715 if( inst.yearshtml ){
716 var origyearshtml = inst.yearshtml;
717 setTimeout(function(){
718 //assure that inst.yearshtml didn't change.
719 if( origyearshtml === inst.yearshtml ){
720 inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
721 }
722 origyearshtml = inst.yearshtml = null;
723 }, 0);
724 }
725 },
726
727 /* Retrieve the size of left and top borders for an element.
728 @param elem (jQuery object) the element of interest
729 @return (number[2]) the left and top borders */
730 _getBorders: function(elem) {
731 var convert = function(value) {
732 return {thin: 1, medium: 2, thick: 3}[value] || value;
733 };
734 return [parseFloat(convert(elem.css('border-left-width'))),
735 parseFloat(convert(elem.css('border-top-width')))];
736 },
737
738 /* Check positioning to remain on screen. */
739 _checkOffset: function(inst, offset, isFixed) {
740 var dpWidth = inst.dpDiv.outerWidth();
741 var dpHeight = inst.dpDiv.outerHeight();
742 var inputWidth = inst.input ? inst.input.outerWidth() : 0;
743 var inputHeight = inst.input ? inst.input.outerHeight() : 0;
744 var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
745 var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();
746
747 offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
748 offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
749 offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
750
751 // now check if datepicker is showing outside window viewport - move to a better place if so.
752 offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
753 Math.abs(offset.left + dpWidth - viewWidth) : 0);
754 offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
755 Math.abs(dpHeight + inputHeight) : 0);
756
757 return offset;
758 },
759
760 /* Find an object's position on the screen. */
761 _findPos: function(obj) {
762 var inst = this._getInst(obj);
763 var isRTL = this._get(inst, 'isRTL');
764 while (obj && (obj.type == 'hidden' || obj.nodeType != 1 || $.expr.filters.hidden(obj))) {
765 obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
766 }
767 var position = $(obj).offset();
768 return [position.left, position.top];
769 },
770
771 /* Hide the date picker from view.
772 @param input element - the input field attached to the date picker */
773 _hideDatepicker: function(input) {
774 var inst = this._curInst;
775 if (!inst || (input && inst != $.data(input, PROP_NAME)))
776 return;
777 if (this._datepickerShowing) {
778 var showAnim = this._get(inst, 'showAnim');
779 var duration = this._get(inst, 'duration');
780 var postProcess = function() {
781 $.datepicker._tidyDialog(inst);
782 this._curInst = null;
783 };
784 if ($.effects && $.effects[showAnim])
785 inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
786 else
787 inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
788 (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
789 if (!showAnim)
790 postProcess();
791 var onClose = this._get(inst, 'onClose');
792 if (onClose)
793 onClose.apply((inst.input ? inst.input[0] : null),
794 [(inst.input ? inst.input.val() : ''), inst]); // trigger custom callback
795 this._datepickerShowing = false;
796 this._lastInput = null;
797 if (this._inDialog) {
798 this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
799 if ($.blockUI) {
800 $.unblockUI();
801 $('body').append(this.dpDiv);
802 }
803 }
804 this._inDialog = false;
805 }
806 },
807
808 /* Tidy up after a dialog display. */
809 _tidyDialog: function(inst) {
810 inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
811 },
812
813 /* Close date picker if clicked elsewhere. */
814 _checkExternalClick: function(event) {
815 if (!$.datepicker._curInst)
816 return;
817 var $target = $(event.target);
818 if ($target[0].id != $.datepicker._mainDivId &&
819 $target.parents('#' + $.datepicker._mainDivId).length == 0 &&
820 !$target.hasClass($.datepicker.markerClassName) &&
821 !$target.hasClass($.datepicker._triggerClass) &&
822 $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
823 $.datepicker._hideDatepicker();
824 },
825
826 /* Adjust one of the date sub-fields. */
827 _adjustDate: function(id, offset, period) {
828 var target = $(id);
829 var inst = this._getInst(target[0]);
830 if (this._isDisabledDatepicker(target[0])) {
831 return;
832 }
833 this._adjustInstDate(inst, offset +
834 (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
835 period);
836 this._updateDatepicker(inst);
837 },
838
839 /* Action for current link. */
840 _gotoToday: function(id) {
841 var target = $(id);
842 var inst = this._getInst(target[0]);
843 if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
844 inst.selectedDay = inst.currentDay;
845 inst.drawMonth = inst.selectedMonth = inst.currentMonth;
846 inst.drawYear = inst.selectedYear = inst.currentYear;
847 }
848 else {
849 var date = new Date();
850 inst.selectedDay = date.getDate();
851 inst.drawMonth = inst.selectedMonth = date.getMonth();
852 inst.drawYear = inst.selectedYear = date.getFullYear();
853 }
854 this._notifyChange(inst);
855 this._adjustDate(target);
856 },
857
858 /* Action for selecting a new month/year. */
859 _selectMonthYear: function(id, select, period) {
860 var target = $(id);
861 var inst = this._getInst(target[0]);
862 inst._selectingMonthYear = false;
863 inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
864 inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
865 parseInt(select.options[select.selectedIndex].value,10);
866 this._notifyChange(inst);
867 this._adjustDate(target);
868 },
869
870 /* Restore input focus after not changing month/year. */
871 _clickMonthYear: function(id) {
872 var target = $(id);
873 var inst = this._getInst(target[0]);
874 if (inst.input && inst._selectingMonthYear) {
875 setTimeout(function() {
876 inst.input.focus();
877 }, 0);
878 }
879 inst._selectingMonthYear = !inst._selectingMonthYear;
880 },
881
882 /* Action for selecting a day. */
883 _selectDay: function(id, month, year, td) {
884 var target = $(id);
885 if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
886 return;
887 }
888 var inst = this._getInst(target[0]);
889 inst.selectedDay = inst.currentDay = $('a', td).html();
890 inst.selectedMonth = inst.currentMonth = month;
891 inst.selectedYear = inst.currentYear = year;
892 this._selectDate(id, this._formatDate(inst,
893 inst.currentDay, inst.currentMonth, inst.currentYear));
894 },
895
896 /* Erase the input field and hide the date picker. */
897 _clearDate: function(id) {
898 var target = $(id);
899 var inst = this._getInst(target[0]);
900 this._selectDate(target, '');
901 },
902
903 /* Update the input field with the selected date. */
904 _selectDate: function(id, dateStr) {
905 var target = $(id);
906 var inst = this._getInst(target[0]);
907 dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
908 if (inst.input)
909 inst.input.val(dateStr);
910 this._updateAlternate(inst);
911 var onSelect = this._get(inst, 'onSelect');
912 if (onSelect)
913 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
914 else if (inst.input)
915 inst.input.trigger('change'); // fire the change event
916 if (inst.inline)
917 this._updateDatepicker(inst);
918 else {
919 this._hideDatepicker();
920 this._lastInput = inst.input[0];
921 if (typeof(inst.input[0]) != 'object')
922 inst.input.focus(); // restore focus
923 this._lastInput = null;
924 }
925 },
926
927 /* Update any alternate field to synchronise with the main field. */
928 _updateAlternate: function(inst) {
929 var altField = this._get(inst, 'altField');
930 if (altField) { // update alternate field too
931 var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
932 var date = this._getDate(inst);
933 var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
934 $(altField).each(function() { $(this).val(dateStr); });
935 }
936 },
937
938 /* Set as beforeShowDay function to prevent selection of weekends.
939 @param date Date - the date to customise
940 @return [boolean, string] - is this date selectable?, what is its CSS class? */
941 noWeekends: function(date) {
942 var day = date.getDay();
943 return [(day > 0 && day < 6), ''];
944 },
945
946 /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
947 @param date Date - the date to get the week for
948 @return number - the number of the week within the year that contains this date */
949 iso8601Week: function(date) {
950 var checkDate = new Date(date.getTime());
951 // Find Thursday of this week starting on Monday
952 checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
953 var time = checkDate.getTime();
954 checkDate.setMonth(0); // Compare with Jan 1
955 checkDate.setDate(1);
956 return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
957 },
958
959 /* Parse a string value into a date object.
960 See formatDate below for the possible formats.
961
962 @param format string - the expected format of the date
963 @param value string - the date in the above format
964 @param settings Object - attributes include:
965 shortYearCutoff number - the cutoff year for determining the century (optional)
966 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
967 dayNames string[7] - names of the days from Sunday (optional)
968 monthNamesShort string[12] - abbreviated names of the months (optional)
969 monthNames string[12] - names of the months (optional)
970 @return Date - the extracted date value or null if value is blank */
971 parseDate: function (format, value, settings) {
972 if (format == null || value == null)
973 throw 'Invalid arguments';
974 value = (typeof value == 'object' ? value.toString() : value + '');
975 if (value == '')
976 return null;
977 var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
978 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
979 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
980 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
981 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
982 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
983 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
984 var year = -1;
985 var month = -1;
986 var day = -1;
987 var doy = -1;
988 var literal = false;
989 // Check whether a format character is doubled
990 var lookAhead = function(match) {
991 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
992 if (matches)
993 iFormat++;
994 return matches;
995 };
996 // Extract a number from the string value
997 var getNumber = function(match) {
998 var isDoubled = lookAhead(match);
999 var size = (match == '@' ? 14 : (match == '!' ? 20 :
1000 (match == 'y' && isDoubled ? 4 : (match == 'o' ? 3 : 2))));
1001 var digits = new RegExp('^\\d{1,' + size + '}');
1002 var num = value.substring(iValue).match(digits);
1003 if (!num)
1004 throw 'Missing number at position ' + iValue;
1005 iValue += num[0].length;
1006 return parseInt(num[0], 10);
1007 };
1008 // Extract a name from the string value and convert to an index
1009 var getName = function(match, shortNames, longNames) {
1010 var names = (lookAhead(match) ? longNames : shortNames);
1011 for (var i = 0; i < names.length; i++) {
1012 if (value.substr(iValue, names[i].length).toLowerCase() == names[i].toLowerCase()) {
1013 iValue += names[i].length;
1014 return i + 1;
1015 }
1016 }
1017 throw 'Unknown name at position ' + iValue;
1018 };
1019 // Confirm that a literal character matches the string value
1020 var checkLiteral = function() {
1021 if (value.charAt(iValue) != format.charAt(iFormat))
1022 throw 'Unexpected literal at position ' + iValue;
1023 iValue++;
1024 };
1025 var iValue = 0;
1026 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1027 if (literal)
1028 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1029 literal = false;
1030 else
1031 checkLiteral();
1032 else
1033 switch (format.charAt(iFormat)) {
1034 case 'd':
1035 day = getNumber('d');
1036 break;
1037 case 'D':
1038 getName('D', dayNamesShort, dayNames);
1039 break;
1040 case 'o':
1041 doy = getNumber('o');
1042 break;
1043 case 'm':
1044 month = getNumber('m');
1045 break;
1046 case 'M':
1047 month = getName('M', monthNamesShort, monthNames);
1048 break;
1049 case 'y':
1050 year = getNumber('y');
1051 break;
1052 case '@':
1053 var date = new Date(getNumber('@'));
1054 year = date.getFullYear();
1055 month = date.getMonth() + 1;
1056 day = date.getDate();
1057 break;
1058 case '!':
1059 var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
1060 year = date.getFullYear();
1061 month = date.getMonth() + 1;
1062 day = date.getDate();
1063 break;
1064 case "'":
1065 if (lookAhead("'"))
1066 checkLiteral();
1067 else
1068 literal = true;
1069 break;
1070 default:
1071 checkLiteral();
1072 }
1073 }
1074 if (year == -1)
1075 year = new Date().getFullYear();
1076 else if (year < 100)
1077 year += new Date().getFullYear() - new Date().getFullYear() % 100 +
1078 (year <= shortYearCutoff ? 0 : -100);
1079 if (doy > -1) {
1080 month = 1;
1081 day = doy;
1082 do {
1083 var dim = this._getDaysInMonth(year, month - 1);
1084 if (day <= dim)
1085 break;
1086 month++;
1087 day -= dim;
1088 } while (true);
1089 }
1090 var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
1091 if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
1092 throw 'Invalid date'; // E.g. 31/02/*
1093 return date;
1094 },
1095
1096 /* Standard date formats. */
1097 ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
1098 COOKIE: 'D, dd M yy',
1099 ISO_8601: 'yy-mm-dd',
1100 RFC_822: 'D, d M y',
1101 RFC_850: 'DD, dd-M-y',
1102 RFC_1036: 'D, d M y',
1103 RFC_1123: 'D, d M yy',
1104 RFC_2822: 'D, d M yy',
1105 RSS: 'D, d M y', // RFC 822
1106 TICKS: '!',
1107 TIMESTAMP: '@',
1108 W3C: 'yy-mm-dd', // ISO 8601
1109
1110 _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
1111 Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
1112
1113 /* Format a date object into a string value.
1114 The format can be combinations of the following:
1115 d - day of month (no leading zero)
1116 dd - day of month (two digit)
1117 o - day of year (no leading zeros)
1118 oo - day of year (three digit)
1119 D - day name short
1120 DD - day name long
1121 m - month of year (no leading zero)
1122 mm - month of year (two digit)
1123 M - month name short
1124 MM - month name long
1125 y - year (two digit)
1126 yy - year (four digit)
1127 @ - Unix timestamp (ms since 01/01/1970)
1128 ! - Windows ticks (100ns since 01/01/0001)
1129 '...' - literal text
1130 '' - single quote
1131
1132 @param format string - the desired format of the date
1133 @param date Date - the date value to format
1134 @param settings Object - attributes include:
1135 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1136 dayNames string[7] - names of the days from Sunday (optional)
1137 monthNamesShort string[12] - abbreviated names of the months (optional)
1138 monthNames string[12] - names of the months (optional)
1139 @return string - the date in the above format */
1140 formatDate: function (format, date, settings) {
1141 if (!date)
1142 return '';
1143 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1144 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1145 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1146 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1147 // Check whether a format character is doubled
1148 var lookAhead = function(match) {
1149 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1150 if (matches)
1151 iFormat++;
1152 return matches;
1153 };
1154 // Format a number, with leading zero if necessary
1155 var formatNumber = function(match, value, len) {
1156 var num = '' + value;
1157 if (lookAhead(match))
1158 while (num.length < len)
1159 num = '0' + num;
1160 return num;
1161 };
1162 // Format a name, short or long as requested
1163 var formatName = function(match, value, shortNames, longNames) {
1164 return (lookAhead(match) ? longNames[value] : shortNames[value]);
1165 };
1166 var output = '';
1167 var literal = false;
1168 if (date)
1169 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1170 if (literal)
1171 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1172 literal = false;
1173 else
1174 output += format.charAt(iFormat);
1175 else
1176 switch (format.charAt(iFormat)) {
1177 case 'd':
1178 output += formatNumber('d', date.getDate(), 2);
1179 break;
1180 case 'D':
1181 output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1182 break;
1183 case 'o':
1184 output += formatNumber('o',
1185 (date.getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000, 3);
1186 break;
1187 case 'm':
1188 output += formatNumber('m', date.getMonth() + 1, 2);
1189 break;
1190 case 'M':
1191 output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1192 break;
1193 case 'y':
1194 output += (lookAhead('y') ? date.getFullYear() :
1195 (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1196 break;
1197 case '@':
1198 output += date.getTime();
1199 break;
1200 case '!':
1201 output += date.getTime() * 10000 + this._ticksTo1970;
1202 break;
1203 case "'":
1204 if (lookAhead("'"))
1205 output += "'";
1206 else
1207 literal = true;
1208 break;
1209 default:
1210 output += format.charAt(iFormat);
1211 }
1212 }
1213 return output;
1214 },
1215
1216 /* Extract all possible characters from the date format. */
1217 _possibleChars: function (format) {
1218 var chars = '';
1219 var literal = false;
1220 // Check whether a format character is doubled
1221 var lookAhead = function(match) {
1222 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1223 if (matches)
1224 iFormat++;
1225 return matches;
1226 };
1227 for (var iFormat = 0; iFormat < format.length; iFormat++)
1228 if (literal)
1229 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1230 literal = false;
1231 else
1232 chars += format.charAt(iFormat);
1233 else
1234 switch (format.charAt(iFormat)) {
1235 case 'd': case 'm': case 'y': case '@':
1236 chars += '0123456789';
1237 break;
1238 case 'D': case 'M':
1239 return null; // Accept anything
1240 case "'":
1241 if (lookAhead("'"))
1242 chars += "'";
1243 else
1244 literal = true;
1245 break;
1246 default:
1247 chars += format.charAt(iFormat);
1248 }
1249 return chars;
1250 },
1251
1252 /* Get a setting value, defaulting if necessary. */
1253 _get: function(inst, name) {
1254 return inst.settings[name] !== undefined ?
1255 inst.settings[name] : this._defaults[name];
1256 },
1257
1258 /* Parse existing date and initialise date picker. */
1259 _setDateFromField: function(inst, noDefault) {
1260 if (inst.input.val() == inst.lastVal) {
1261 return;
1262 }
1263 var dateFormat = this._get(inst, 'dateFormat');
1264 var dates = inst.lastVal = inst.input ? inst.input.val() : null;
1265 var date, defaultDate;
1266 date = defaultDate = this._getDefaultDate(inst);
1267 var settings = this._getFormatConfig(inst);
1268 try {
1269 date = this.parseDate(dateFormat, dates, settings) || defaultDate;
1270 } catch (event) {
1271 this.log(event);
1272 dates = (noDefault ? '' : dates);
1273 }
1274 inst.selectedDay = date.getDate();
1275 inst.drawMonth = inst.selectedMonth = date.getMonth();
1276 inst.drawYear = inst.selectedYear = date.getFullYear();
1277 inst.currentDay = (dates ? date.getDate() : 0);
1278 inst.currentMonth = (dates ? date.getMonth() : 0);
1279 inst.currentYear = (dates ? date.getFullYear() : 0);
1280 this._adjustInstDate(inst);
1281 },
1282
1283 /* Retrieve the default date shown on opening. */
1284 _getDefaultDate: function(inst) {
1285 return this._restrictMinMax(inst,
1286 this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
1287 },
1288
1289 /* A date may be specified as an exact value or a relative one. */
1290 _determineDate: function(inst, date, defaultDate) {
1291 var offsetNumeric = function(offset) {
1292 var date = new Date();
1293 date.setDate(date.getDate() + offset);
1294 return date;
1295 };
1296 var offsetString = function(offset) {
1297 try {
1298 return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
1299 offset, $.datepicker._getFormatConfig(inst));
1300 }
1301 catch (e) {
1302 // Ignore
1303 }
1304 var date = (offset.toLowerCase().match(/^c/) ?
1305 $.datepicker._getDate(inst) : null) || new Date();
1306 var year = date.getFullYear();
1307 var month = date.getMonth();
1308 var day = date.getDate();
1309 var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1310 var matches = pattern.exec(offset);
1311 while (matches) {
1312 switch (matches[2] || 'd') {
1313 case 'd' : case 'D' :
1314 day += parseInt(matches[1],10); break;
1315 case 'w' : case 'W' :
1316 day += parseInt(matches[1],10) * 7; break;
1317 case 'm' : case 'M' :
1318 month += parseInt(matches[1],10);
1319 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1320 break;
1321 case 'y': case 'Y' :
1322 year += parseInt(matches[1],10);
1323 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1324 break;
1325 }
1326 matches = pattern.exec(offset);
1327 }
1328 return new Date(year, month, day);
1329 };
1330 var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
1331 (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
1332 newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
1333 if (newDate) {
1334 newDate.setHours(0);
1335 newDate.setMinutes(0);
1336 newDate.setSeconds(0);
1337 newDate.setMilliseconds(0);
1338 }
1339 return this._daylightSavingAdjust(newDate);
1340 },
1341
1342 /* Handle switch to/from daylight saving.
1343 Hours may be non-zero on daylight saving cut-over:
1344 > 12 when midnight changeover, but then cannot generate
1345 midnight datetime, so jump to 1AM, otherwise reset.
1346 @param date (Date) the date to check
1347 @return (Date) the corrected date */
1348 _daylightSavingAdjust: function(date) {
1349 if (!date) return null;
1350 date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1351 return date;
1352 },
1353
1354 /* Set the date(s) directly. */
1355 _setDate: function(inst, date, noChange) {
1356 var clear = !date;
1357 var origMonth = inst.selectedMonth;
1358 var origYear = inst.selectedYear;
1359 var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
1360 inst.selectedDay = inst.currentDay = newDate.getDate();
1361 inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
1362 inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
1363 if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange)
1364 this._notifyChange(inst);
1365 this._adjustInstDate(inst);
1366 if (inst.input) {
1367 inst.input.val(clear ? '' : this._formatDate(inst));
1368 }
1369 },
1370
1371 /* Retrieve the date(s) directly. */
1372 _getDate: function(inst) {
1373 var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1374 this._daylightSavingAdjust(new Date(
1375 inst.currentYear, inst.currentMonth, inst.currentDay)));
1376 return startDate;
1377 },
1378
1379 /* Generate the HTML for the current state of the date picker. */
1380 _generateHTML: function(inst) {
1381 var today = new Date();
1382 today = this._daylightSavingAdjust(
1383 new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1384 var isRTL = this._get(inst, 'isRTL');
1385 var showButtonPanel = this._get(inst, 'showButtonPanel');
1386 var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1387 var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1388 var numMonths = this._getNumberOfMonths(inst);
1389 var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1390 var stepMonths = this._get(inst, 'stepMonths');
1391 var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1392 var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1393 new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1394 var minDate = this._getMinMaxDate(inst, 'min');
1395 var maxDate = this._getMinMaxDate(inst, 'max');
1396 var drawMonth = inst.drawMonth - showCurrentAtPos;
1397 var drawYear = inst.drawYear;
1398 if (drawMonth < 0) {
1399 drawMonth += 12;
1400 drawYear--;
1401 }
1402 if (maxDate) {
1403 var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1404 maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
1405 maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1406 while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1407 drawMonth--;
1408 if (drawMonth < 0) {
1409 drawMonth = 11;
1410 drawYear--;
1411 }
1412 }
1413 }
1414 inst.drawMonth = drawMonth;
1415 inst.drawYear = drawYear;
1416 var prevText = this._get(inst, 'prevText');
1417 prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1418 this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1419 this._getFormatConfig(inst)));
1420 var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1421 '<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1422 '.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
1423 ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1424 (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>'));
1425 var nextText = this._get(inst, 'nextText');
1426 nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1427 this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1428 this._getFormatConfig(inst)));
1429 var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1430 '<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1431 '.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
1432 ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1433 (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>'));
1434 var currentText = this._get(inst, 'currentText');
1435 var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1436 currentText = (!navigationAsDateFormat ? currentText :
1437 this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1438 var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1439 '.datepicker._hideDatepicker();">' + this._get(inst, 'closeText') + '</button>' : '');
1440 var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1441 (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1442 '.datepicker._gotoToday(\'#' + inst.id + '\');"' +
1443 '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1444 var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1445 firstDay = (isNaN(firstDay) ? 0 : firstDay);
1446 var showWeek = this._get(inst, 'showWeek');
1447 var dayNames = this._get(inst, 'dayNames');
1448 var dayNamesShort = this._get(inst, 'dayNamesShort');
1449 var dayNamesMin = this._get(inst, 'dayNamesMin');
1450 var monthNames = this._get(inst, 'monthNames');
1451 var monthNamesShort = this._get(inst, 'monthNamesShort');
1452 var beforeShowDay = this._get(inst, 'beforeShowDay');
1453 var showOtherMonths = this._get(inst, 'showOtherMonths');
1454 var selectOtherMonths = this._get(inst, 'selectOtherMonths');
1455 var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1456 var defaultDate = this._getDefaultDate(inst);
1457 var html = '';
1458 for (var row = 0; row < numMonths[0]; row++) {
1459 var group = '';
1460 for (var col = 0; col < numMonths[1]; col++) {
1461 var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1462 var cornerClass = ' ui-corner-all';
1463 var calender = '';
1464 if (isMultiMonth) {
1465 calender += '<div class="ui-datepicker-group';
1466 if (numMonths[1] > 1)
1467 switch (col) {
1468 case 0: calender += ' ui-datepicker-group-first';
1469 cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1470 case numMonths[1]-1: calender += ' ui-datepicker-group-last';
1471 cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1472 default: calender += ' ui-datepicker-group-middle'; cornerClass = ''; break;
1473 }
1474 calender += '">';
1475 }
1476 calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1477 (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1478 (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1479 this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1480 row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
1481 '</div><table class="ui-datepicker-calendar"><thead>' +
1482 '<tr>';
1483 var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
1484 for (var dow = 0; dow < 7; dow++) { // days of the week
1485 var day = (dow + firstDay) % 7;
1486 thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1487 '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1488 }
1489 calender += thead + '</tr></thead><tbody>';
1490 var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1491 if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1492 inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1493 var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1494 var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
1495 var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1496 for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1497 calender += '<tr>';
1498 var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
1499 this._get(inst, 'calculateWeek')(printDate) + '</td>');
1500 for (var dow = 0; dow < 7; dow++) { // create date picker days
1501 var daySettings = (beforeShowDay ?
1502 beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1503 var otherMonth = (printDate.getMonth() != drawMonth);
1504 var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
1505 (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1506 tbody += '<td class="' +
1507 ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1508 (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1509 ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1510 (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1511 // or defaultDate is current printedDate and defaultDate is selectedDate
1512 ' ' + this._dayOverClass : '') + // highlight selected day
1513 (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1514 (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1515 (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
1516 (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1517 ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1518 (unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' +
1519 inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + // actions
1520 (otherMonth && !showOtherMonths ? '&#xa0;' : // display for other months
1521 (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1522 (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1523 (printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + // highlight selected day
1524 (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
1525 '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
1526 printDate.setDate(printDate.getDate() + 1);
1527 printDate = this._daylightSavingAdjust(printDate);
1528 }
1529 calender += tbody + '</tr>';
1530 }
1531 drawMonth++;
1532 if (drawMonth > 11) {
1533 drawMonth = 0;
1534 drawYear++;
1535 }
1536 calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1537 ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1538 group += calender;
1539 }
1540 html += group;
1541 }
1542 html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1543 '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1544 inst._keyEvent = false;
1545 return html;
1546 },
1547
1548 /* Generate the month and year header. */
1549 _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1550 secondary, monthNames, monthNamesShort) {
1551 var changeMonth = this._get(inst, 'changeMonth');
1552 var changeYear = this._get(inst, 'changeYear');
1553 var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1554 var html = '<div class="ui-datepicker-title">';
1555 var monthHtml = '';
1556 // month selection
1557 if (secondary || !changeMonth)
1558 monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
1559 else {
1560 var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1561 var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1562 monthHtml += '<select class="ui-datepicker-month" ' +
1563 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
1564 'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1565 '>';
1566 for (var month = 0; month < 12; month++) {
1567 if ((!inMinYear || month >= minDate.getMonth()) &&
1568 (!inMaxYear || month <= maxDate.getMonth()))
1569 monthHtml += '<option value="' + month + '"' +
1570 (month == drawMonth ? ' selected="selected"' : '') +
1571 '>' + monthNamesShort[month] + '</option>';
1572 }
1573 monthHtml += '</select>';
1574 }
1575 if (!showMonthAfterYear)
1576 html += monthHtml + (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '');
1577 // year selection
1578 inst.yearshtml = '';
1579 if (secondary || !changeYear)
1580 html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1581 else {
1582 // determine range of years to display
1583 var years = this._get(inst, 'yearRange').split(':');
1584 var thisYear = new Date().getFullYear();
1585 var determineYear = function(value) {
1586 var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
1587 (value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
1588 parseInt(value, 10)));
1589 return (isNaN(year) ? thisYear : year);
1590 };
1591 var year = determineYear(years[0]);
1592 var endYear = Math.max(year, determineYear(years[1] || ''));
1593 year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1594 endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1595 inst.yearshtml += '<select class="ui-datepicker-year" ' +
1596 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
1597 'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1598 '>';
1599 for (; year <= endYear; year++) {
1600 inst.yearshtml += '<option value="' + year + '"' +
1601 (year == drawYear ? ' selected="selected"' : '') +
1602 '>' + year + '</option>';
1603 }
1604 inst.yearshtml += '</select>';
1605 //when showing there is no need for later update
1606 if( ! $.browser.mozilla ){
1607 html += inst.yearshtml;
1608 inst.yearshtml = null;
1609 } else {
1610 // will be replaced later with inst.yearshtml
1611 html += '<select class="ui-datepicker-year"><option value="' + drawYear + '" selected="selected">' + drawYear + '</option></select>';
1612 }
1613 }
1614 html += this._get(inst, 'yearSuffix');
1615 if (showMonthAfterYear)
1616 html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
1617 html += '</div>'; // Close datepicker_header
1618 return html;
1619 },
1620
1621 /* Adjust one of the date sub-fields. */
1622 _adjustInstDate: function(inst, offset, period) {
1623 var year = inst.drawYear + (period == 'Y' ? offset : 0);
1624 var month = inst.drawMonth + (period == 'M' ? offset : 0);
1625 var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1626 (period == 'D' ? offset : 0);
1627 var date = this._restrictMinMax(inst,
1628 this._daylightSavingAdjust(new Date(year, month, day)));
1629 inst.selectedDay = date.getDate();
1630 inst.drawMonth = inst.selectedMonth = date.getMonth();
1631 inst.drawYear = inst.selectedYear = date.getFullYear();
1632 if (period == 'M' || period == 'Y')
1633 this._notifyChange(inst);
1634 },
1635
1636 /* Ensure a date is within any min/max bounds. */
1637 _restrictMinMax: function(inst, date) {
1638 var minDate = this._getMinMaxDate(inst, 'min');
1639 var maxDate = this._getMinMaxDate(inst, 'max');
1640 var newDate = (minDate && date < minDate ? minDate : date);
1641 newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
1642 return newDate;
1643 },
1644
1645 /* Notify change of month/year. */
1646 _notifyChange: function(inst) {
1647 var onChange = this._get(inst, 'onChangeMonthYear');
1648 if (onChange)
1649 onChange.apply((inst.input ? inst.input[0] : null),
1650 [inst.selectedYear, inst.selectedMonth + 1, inst]);
1651 },
1652
1653 /* Determine the number of months to show. */
1654 _getNumberOfMonths: function(inst) {
1655 var numMonths = this._get(inst, 'numberOfMonths');
1656 return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1657 },
1658
1659 /* Determine the current maximum date - ensure no time components are set. */
1660 _getMinMaxDate: function(inst, minMax) {
1661 return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
1662 },
1663
1664 /* Find the number of days in a given month. */
1665 _getDaysInMonth: function(year, month) {
1666 return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
1667 },
1668
1669 /* Find the day of the week of the first of a month. */
1670 _getFirstDayOfMonth: function(year, month) {
1671 return new Date(year, month, 1).getDay();
1672 },
1673
1674 /* Determines if we should allow a "next/prev" month display change. */
1675 _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1676 var numMonths = this._getNumberOfMonths(inst);
1677 var date = this._daylightSavingAdjust(new Date(curYear,
1678 curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
1679 if (offset < 0)
1680 date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1681 return this._isInRange(inst, date);
1682 },
1683
1684 /* Is the given date in the accepted range? */
1685 _isInRange: function(inst, date) {
1686 var minDate = this._getMinMaxDate(inst, 'min');
1687 var maxDate = this._getMinMaxDate(inst, 'max');
1688 return ((!minDate || date.getTime() >= minDate.getTime()) &&
1689 (!maxDate || date.getTime() <= maxDate.getTime()));
1690 },
1691
1692 /* Provide the configuration settings for formatting/parsing. */
1693 _getFormatConfig: function(inst) {
1694 var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1695 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1696 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1697 return {shortYearCutoff: shortYearCutoff,
1698 dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1699 monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1700 },
1701
1702 /* Format the given date for display. */
1703 _formatDate: function(inst, day, month, year) {
1704 if (!day) {
1705 inst.currentDay = inst.selectedDay;
1706 inst.currentMonth = inst.selectedMonth;
1707 inst.currentYear = inst.selectedYear;
1708 }
1709 var date = (day ? (typeof day == 'object' ? day :
1710 this._daylightSavingAdjust(new Date(year, month, day))) :
1711 this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1712 return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1713 }
1714 });
1715
1716 /* jQuery extend now ignores nulls! */
1717 function extendRemove(target, props) {
1718 $.extend(target, props);
1719 for (var name in props)
1720 if (props[name] == null || props[name] == undefined)
1721 target[name] = props[name];
1722 return target;
1723 };
1724
1725 /* Determine whether an object is an array. */
1726 function isArray(a) {
1727 return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
1728 (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1729 };
1730
1731 /* Invoke the datepicker functionality.
1732 @param options string - a command, optionally followed by additional parameters or
1733 Object - settings for attaching new datepicker functionality
1734 @return jQuery object */
1735 $.fn.datepicker = function(options){
1736
1737 /* Verify an empty collection wasn't passed - Fixes #6976 */
1738 if ( !this.length ) {
1739 return this;
1740 }
1741
1742 /* Initialise the date picker. */
1743 if (!$.datepicker.initialized) {
1744 $(document).mousedown($.datepicker._checkExternalClick).
1745 find('body').append($.datepicker.dpDiv);
1746 $.datepicker.initialized = true;
1747 }
1748
1749 var otherArgs = Array.prototype.slice.call(arguments, 1);
1750 if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'widget'))
1751 return $.datepicker['_' + options + 'Datepicker'].
1752 apply($.datepicker, [this[0]].concat(otherArgs));
1753 if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
1754 return $.datepicker['_' + options + 'Datepicker'].
1755 apply($.datepicker, [this[0]].concat(otherArgs));
1756 return this.each(function() {
1757 typeof options == 'string' ?
1758 $.datepicker['_' + options + 'Datepicker'].
1759 apply($.datepicker, [this].concat(otherArgs)) :
1760 $.datepicker._attachDatepicker(this, options);
1761 });
1762 };
1763
1764 $.datepicker = new Datepicker(); // singleton instance
1765 $.datepicker.initialized = false;
1766 $.datepicker.uuid = new Date().getTime();
1767 $.datepicker.version = "1.8.11";
1768
1769 // Workaround for #4055
1770 // Add another global to avoid noConflict issues with inline event handlers
1771 window['DP_jQuery_' + dpuuid] = $;
1772
1773 })(jQuery);
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