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Merge "(bug 12701) Use diff of all unseen revisions in the "new messages" bar."
[lhc/web/wiklou.git] / resources / jquery.ui / jquery.ui.datepicker.js
1 /*!
2 * jQuery UI Datepicker 1.8.22
3 *
4 * Copyright 2012, 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: "1.8.22" } });
16
17 var PROP_NAME = 'datepicker';
18 var dpuuid = new Date().getTime();
19 var instActive;
20
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. */
25
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 }
114
115 $.extend(Datepicker.prototype, {
116 /* Class name added to elements to indicate already configured with a date picker. */
117 markerClassName: 'hasDatepicker',
118
119 //Keep track of the maximum number of rows displayed (see #7043)
120 maxRows: 4,
121
122 /* Debug logging (if enabled). */
123 log: function () {
124 if (this.debug)
125 console.log.apply('', arguments);
126 },
127
128 // TODO rename to "widget" when switching to widget factory
129 _widgetDatepicker: function() {
130 return this.dpDiv;
131 },
132
133 /* Override the default settings for all instances of the date picker.
134 @param settings object - the new settings to use as defaults (anonymous object)
135 @return the manager object */
136 setDefaults: function(settings) {
137 extendRemove(this._defaults, settings || {});
138 return this;
139 },
140
141 /* Attach the date picker to a jQuery selection.
142 @param target element - the target input field or division or span
143 @param settings object - the new settings to use for this date picker instance (anonymous) */
144 _attachDatepicker: function(target, settings) {
145 // check for settings on the control itself - in namespace 'date:'
146 var inlineSettings = null;
147 for (var attrName in this._defaults) {
148 var attrValue = target.getAttribute('date:' + attrName);
149 if (attrValue) {
150 inlineSettings = inlineSettings || {};
151 try {
152 inlineSettings[attrName] = eval(attrValue);
153 } catch (err) {
154 inlineSettings[attrName] = attrValue;
155 }
156 }
157 }
158 var nodeName = target.nodeName.toLowerCase();
159 var inline = (nodeName == 'div' || nodeName == 'span');
160 if (!target.id) {
161 this.uuid += 1;
162 target.id = 'dp' + this.uuid;
163 }
164 var inst = this._newInst($(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 },
172
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 },
183
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 },
206
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 $.datepicker._hideDatepicker();
236 else if ($.datepicker._datepickerShowing && $.datepicker._lastInput != input[0]) {
237 $.datepicker._hideDatepicker();
238 $.datepicker._showDatepicker(input[0]);
239 } else
240 $.datepicker._showDatepicker(input[0]);
241 return false;
242 });
243 }
244 },
245
246 /* Apply the maximum length for the date format. */
247 _autoSize: function(inst) {
248 if (this._get(inst, 'autoSize') && !inst.inline) {
249 var date = new Date(2009, 12 - 1, 20); // Ensure double digits
250 var dateFormat = this._get(inst, 'dateFormat');
251 if (dateFormat.match(/[DM]/)) {
252 var findMax = function(names) {
253 var max = 0;
254 var maxI = 0;
255 for (var i = 0; i < names.length; i++) {
256 if (names[i].length > max) {
257 max = names[i].length;
258 maxI = i;
259 }
260 }
261 return maxI;
262 };
263 date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
264 'monthNames' : 'monthNamesShort'))));
265 date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
266 'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
267 }
268 inst.input.attr('size', this._formatDate(inst, date).length);
269 }
270 },
271
272 /* Attach an inline date picker to a div. */
273 _inlineDatepicker: function(target, inst) {
274 var divSpan = $(target);
275 if (divSpan.hasClass(this.markerClassName))
276 return;
277 divSpan.addClass(this.markerClassName).append(inst.dpDiv).
278 bind("setData.datepicker", function(event, key, value){
279 inst.settings[key] = value;
280 }).bind("getData.datepicker", function(event, key){
281 return this._get(inst, key);
282 });
283 $.data(target, PROP_NAME, inst);
284 this._setDate(inst, this._getDefaultDate(inst), true);
285 this._updateDatepicker(inst);
286 this._updateAlternate(inst);
287 //If disabled option is true, disable the datepicker before showing it (see ticket #5665)
288 if( inst.settings.disabled ) {
289 this._disableDatepicker( target );
290 }
291 // Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
292 // http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
293 inst.dpDiv.css( "display", "block" );
294 },
295
296 /* Pop-up the date picker in a "dialog" box.
297 @param input element - ignored
298 @param date string or Date - the initial date to display
299 @param onSelect function - the function to call when a date is selected
300 @param settings object - update the dialog date picker instance's settings (anonymous object)
301 @param pos int[2] - coordinates for the dialog's position within the screen or
302 event - with x/y coordinates or
303 leave empty for default (screen centre)
304 @return the manager object */
305 _dialogDatepicker: function(input, date, onSelect, settings, pos) {
306 var inst = this._dialogInst; // internal instance
307 if (!inst) {
308 this.uuid += 1;
309 var id = 'dp' + this.uuid;
310 this._dialogInput = $('<input type="text" id="' + id +
311 '" style="position: absolute; top: -100px; width: 0px;"/>');
312 this._dialogInput.keydown(this._doKeyDown);
313 $('body').append(this._dialogInput);
314 inst = this._dialogInst = this._newInst(this._dialogInput, false);
315 inst.settings = {};
316 $.data(this._dialogInput[0], PROP_NAME, inst);
317 }
318 extendRemove(inst.settings, settings || {});
319 date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
320 this._dialogInput.val(date);
321
322 this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
323 if (!this._pos) {
324 var browserWidth = document.documentElement.clientWidth;
325 var browserHeight = document.documentElement.clientHeight;
326 var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
327 var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
328 this._pos = // should use actual width/height below
329 [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
330 }
331
332 // move input on screen for focus, but hidden behind dialog
333 this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
334 inst.settings.onSelect = onSelect;
335 this._inDialog = true;
336 this.dpDiv.addClass(this._dialogClass);
337 this._showDatepicker(this._dialogInput[0]);
338 if ($.blockUI)
339 $.blockUI(this.dpDiv);
340 $.data(this._dialogInput[0], PROP_NAME, inst);
341 return this;
342 },
343
344 /* Detach a datepicker from its control.
345 @param target element - the target input field or division or span */
346 _destroyDatepicker: function(target) {
347 var $target = $(target);
348 var inst = $.data(target, PROP_NAME);
349 if (!$target.hasClass(this.markerClassName)) {
350 return;
351 }
352 var nodeName = target.nodeName.toLowerCase();
353 $.removeData(target, PROP_NAME);
354 if (nodeName == 'input') {
355 inst.append.remove();
356 inst.trigger.remove();
357 $target.removeClass(this.markerClassName).
358 unbind('focus', this._showDatepicker).
359 unbind('keydown', this._doKeyDown).
360 unbind('keypress', this._doKeyPress).
361 unbind('keyup', this._doKeyUp);
362 } else if (nodeName == 'div' || nodeName == 'span')
363 $target.removeClass(this.markerClassName).empty();
364 },
365
366 /* Enable the date picker to a jQuery selection.
367 @param target element - the target input field or division or span */
368 _enableDatepicker: function(target) {
369 var $target = $(target);
370 var inst = $.data(target, PROP_NAME);
371 if (!$target.hasClass(this.markerClassName)) {
372 return;
373 }
374 var nodeName = target.nodeName.toLowerCase();
375 if (nodeName == 'input') {
376 target.disabled = false;
377 inst.trigger.filter('button').
378 each(function() { this.disabled = false; }).end().
379 filter('img').css({opacity: '1.0', cursor: ''});
380 }
381 else if (nodeName == 'div' || nodeName == 'span') {
382 var inline = $target.children('.' + this._inlineClass);
383 inline.children().removeClass('ui-state-disabled');
384 inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
385 removeAttr("disabled");
386 }
387 this._disabledInputs = $.map(this._disabledInputs,
388 function(value) { return (value == target ? null : value); }); // delete entry
389 },
390
391 /* Disable the date picker to a jQuery selection.
392 @param target element - the target input field or division or span */
393 _disableDatepicker: function(target) {
394 var $target = $(target);
395 var inst = $.data(target, PROP_NAME);
396 if (!$target.hasClass(this.markerClassName)) {
397 return;
398 }
399 var nodeName = target.nodeName.toLowerCase();
400 if (nodeName == 'input') {
401 target.disabled = true;
402 inst.trigger.filter('button').
403 each(function() { this.disabled = true; }).end().
404 filter('img').css({opacity: '0.5', cursor: 'default'});
405 }
406 else if (nodeName == 'div' || nodeName == 'span') {
407 var inline = $target.children('.' + this._inlineClass);
408 inline.children().addClass('ui-state-disabled');
409 inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
410 attr("disabled", "disabled");
411 }
412 this._disabledInputs = $.map(this._disabledInputs,
413 function(value) { return (value == target ? null : value); }); // delete entry
414 this._disabledInputs[this._disabledInputs.length] = target;
415 },
416
417 /* Is the first field in a jQuery collection disabled as a datepicker?
418 @param target element - the target input field or division or span
419 @return boolean - true if disabled, false if enabled */
420 _isDisabledDatepicker: function(target) {
421 if (!target) {
422 return false;
423 }
424 for (var i = 0; i < this._disabledInputs.length; i++) {
425 if (this._disabledInputs[i] == target)
426 return true;
427 }
428 return false;
429 },
430
431 /* Retrieve the instance data for the target control.
432 @param target element - the target input field or division or span
433 @return object - the associated instance data
434 @throws error if a jQuery problem getting data */
435 _getInst: function(target) {
436 try {
437 return $.data(target, PROP_NAME);
438 }
439 catch (err) {
440 throw 'Missing instance data for this datepicker';
441 }
442 },
443
444 /* Update or retrieve the settings for a date picker attached to an input field or division.
445 @param target element - the target input field or division or span
446 @param name object - the new settings to update or
447 string - the name of the setting to change or retrieve,
448 when retrieving also 'all' for all instance settings or
449 'defaults' for all global defaults
450 @param value any - the new value for the setting
451 (omit if above is an object or to retrieve a value) */
452 _optionDatepicker: function(target, name, value) {
453 var inst = this._getInst(target);
454 if (arguments.length == 2 && typeof name == 'string') {
455 return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
456 (inst ? (name == 'all' ? $.extend({}, inst.settings) :
457 this._get(inst, name)) : null));
458 }
459 var settings = name || {};
460 if (typeof name == 'string') {
461 settings = {};
462 settings[name] = value;
463 }
464 if (inst) {
465 if (this._curInst == inst) {
466 this._hideDatepicker();
467 }
468 var date = this._getDateDatepicker(target, true);
469 var minDate = this._getMinMaxDate(inst, 'min');
470 var maxDate = this._getMinMaxDate(inst, 'max');
471 extendRemove(inst.settings, settings);
472 // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
473 if (minDate !== null && settings['dateFormat'] !== undefined && settings['minDate'] === undefined)
474 inst.settings.minDate = this._formatDate(inst, minDate);
475 if (maxDate !== null && settings['dateFormat'] !== undefined && settings['maxDate'] === undefined)
476 inst.settings.maxDate = this._formatDate(inst, maxDate);
477 this._attachments($(target), inst);
478 this._autoSize(inst);
479 this._setDate(inst, date);
480 this._updateAlternate(inst);
481 this._updateDatepicker(inst);
482 }
483 },
484
485 // change method deprecated
486 _changeDatepicker: function(target, name, value) {
487 this._optionDatepicker(target, name, value);
488 },
489
490 /* Redraw the date picker attached to an input field or division.
491 @param target element - the target input field or division or span */
492 _refreshDatepicker: function(target) {
493 var inst = this._getInst(target);
494 if (inst) {
495 this._updateDatepicker(inst);
496 }
497 },
498
499 /* Set the dates for a jQuery selection.
500 @param target element - the target input field or division or span
501 @param date Date - the new date */
502 _setDateDatepicker: function(target, date) {
503 var inst = this._getInst(target);
504 if (inst) {
505 this._setDate(inst, date);
506 this._updateDatepicker(inst);
507 this._updateAlternate(inst);
508 }
509 },
510
511 /* Get the date(s) for the first entry in a jQuery selection.
512 @param target element - the target input field or division or span
513 @param noDefault boolean - true if no default date is to be used
514 @return Date - the current date */
515 _getDateDatepicker: function(target, noDefault) {
516 var inst = this._getInst(target);
517 if (inst && !inst.inline)
518 this._setDateFromField(inst, noDefault);
519 return (inst ? this._getDate(inst) : null);
520 },
521
522 /* Handle keystrokes. */
523 _doKeyDown: function(event) {
524 var inst = $.datepicker._getInst(event.target);
525 var handled = true;
526 var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
527 inst._keyEvent = true;
528 if ($.datepicker._datepickerShowing)
529 switch (event.keyCode) {
530 case 9: $.datepicker._hideDatepicker();
531 handled = false;
532 break; // hide on tab out
533 case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
534 $.datepicker._currentClass + ')', inst.dpDiv);
535 if (sel[0])
536 $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
537 var onSelect = $.datepicker._get(inst, 'onSelect');
538 if (onSelect) {
539 var dateStr = $.datepicker._formatDate(inst);
540
541 // trigger custom callback
542 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
543 }
544 else
545 $.datepicker._hideDatepicker();
546 return false; // don't submit the form
547 break; // select the value on enter
548 case 27: $.datepicker._hideDatepicker();
549 break; // hide on escape
550 case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
551 -$.datepicker._get(inst, 'stepBigMonths') :
552 -$.datepicker._get(inst, 'stepMonths')), 'M');
553 break; // previous month/year on page up/+ ctrl
554 case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
555 +$.datepicker._get(inst, 'stepBigMonths') :
556 +$.datepicker._get(inst, 'stepMonths')), 'M');
557 break; // next month/year on page down/+ ctrl
558 case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
559 handled = event.ctrlKey || event.metaKey;
560 break; // clear on ctrl or command +end
561 case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
562 handled = event.ctrlKey || event.metaKey;
563 break; // current on ctrl or command +home
564 case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
565 handled = event.ctrlKey || event.metaKey;
566 // -1 day on ctrl or command +left
567 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
568 -$.datepicker._get(inst, 'stepBigMonths') :
569 -$.datepicker._get(inst, 'stepMonths')), 'M');
570 // next month/year on alt +left on Mac
571 break;
572 case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
573 handled = event.ctrlKey || event.metaKey;
574 break; // -1 week on ctrl or command +up
575 case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
576 handled = event.ctrlKey || event.metaKey;
577 // +1 day on ctrl or command +right
578 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
579 +$.datepicker._get(inst, 'stepBigMonths') :
580 +$.datepicker._get(inst, 'stepMonths')), 'M');
581 // next month/year on alt +right
582 break;
583 case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
584 handled = event.ctrlKey || event.metaKey;
585 break; // +1 week on ctrl or command +down
586 default: handled = false;
587 }
588 else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
589 $.datepicker._showDatepicker(this);
590 else {
591 handled = false;
592 }
593 if (handled) {
594 event.preventDefault();
595 event.stopPropagation();
596 }
597 },
598
599 /* Filter entered characters - based on date format. */
600 _doKeyPress: function(event) {
601 var inst = $.datepicker._getInst(event.target);
602 if ($.datepicker._get(inst, 'constrainInput')) {
603 var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
604 var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
605 return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
606 }
607 },
608
609 /* Synchronise manual entry and field/alternate field. */
610 _doKeyUp: function(event) {
611 var inst = $.datepicker._getInst(event.target);
612 if (inst.input.val() != inst.lastVal) {
613 try {
614 var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
615 (inst.input ? inst.input.val() : null),
616 $.datepicker._getFormatConfig(inst));
617 if (date) { // only if valid
618 $.datepicker._setDateFromField(inst);
619 $.datepicker._updateAlternate(inst);
620 $.datepicker._updateDatepicker(inst);
621 }
622 }
623 catch (err) {
624 $.datepicker.log(err);
625 }
626 }
627 return true;
628 },
629
630 /* Pop-up the date picker for a given input field.
631 If false returned from beforeShow event handler do not show.
632 @param input element - the input field attached to the date picker or
633 event - if triggered by focus */
634 _showDatepicker: function(input) {
635 input = input.target || input;
636 if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
637 input = $('input', input.parentNode)[0];
638 if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
639 return;
640 var inst = $.datepicker._getInst(input);
641 if ($.datepicker._curInst && $.datepicker._curInst != inst) {
642 $.datepicker._curInst.dpDiv.stop(true, true);
643 if ( inst && $.datepicker._datepickerShowing ) {
644 $.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
645 }
646 }
647 var beforeShow = $.datepicker._get(inst, 'beforeShow');
648 var beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
649 if(beforeShowSettings === false){
650 //false
651 return;
652 }
653 extendRemove(inst.settings, beforeShowSettings);
654 inst.lastVal = null;
655 $.datepicker._lastInput = input;
656 $.datepicker._setDateFromField(inst);
657 if ($.datepicker._inDialog) // hide cursor
658 input.value = '';
659 if (!$.datepicker._pos) { // position below input
660 $.datepicker._pos = $.datepicker._findPos(input);
661 $.datepicker._pos[1] += input.offsetHeight; // add the height
662 }
663 var isFixed = false;
664 $(input).parents().each(function() {
665 isFixed |= $(this).css('position') == 'fixed';
666 return !isFixed;
667 });
668 if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
669 $.datepicker._pos[0] -= document.documentElement.scrollLeft;
670 $.datepicker._pos[1] -= document.documentElement.scrollTop;
671 }
672 var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
673 $.datepicker._pos = null;
674 //to avoid flashes on Firefox
675 inst.dpDiv.empty();
676 // determine sizing offscreen
677 inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
678 $.datepicker._updateDatepicker(inst);
679 // fix width for dynamic number of date pickers
680 // and adjust position before showing
681 offset = $.datepicker._checkOffset(inst, offset, isFixed);
682 inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
683 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
684 left: offset.left + 'px', top: offset.top + 'px'});
685 if (!inst.inline) {
686 var showAnim = $.datepicker._get(inst, 'showAnim');
687 var duration = $.datepicker._get(inst, 'duration');
688 var postProcess = function() {
689 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
690 if( !! cover.length ){
691 var borders = $.datepicker._getBorders(inst.dpDiv);
692 cover.css({left: -borders[0], top: -borders[1],
693 width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
694 }
695 };
696 inst.dpDiv.zIndex($(input).zIndex()+1);
697 $.datepicker._datepickerShowing = true;
698 if ($.effects && $.effects[showAnim])
699 inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
700 else
701 inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
702 if (!showAnim || !duration)
703 postProcess();
704 if (inst.input.is(':visible') && !inst.input.is(':disabled'))
705 inst.input.focus();
706 $.datepicker._curInst = inst;
707 }
708 },
709
710 /* Generate the date picker content. */
711 _updateDatepicker: function(inst) {
712 var self = this;
713 self.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
714 var borders = $.datepicker._getBorders(inst.dpDiv);
715 instActive = inst; // for delegate hover events
716 inst.dpDiv.empty().append(this._generateHTML(inst));
717 this._attachHandlers(inst);
718 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
719 if( !!cover.length ){ //avoid call to outerXXXX() when not in IE6
720 cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
721 }
722 inst.dpDiv.find('.' + this._dayOverClass + ' a').mouseover();
723 var numMonths = this._getNumberOfMonths(inst);
724 var cols = numMonths[1];
725 var width = 17;
726 inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
727 if (cols > 1)
728 inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
729 inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
730 'Class']('ui-datepicker-multi');
731 inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
732 'Class']('ui-datepicker-rtl');
733 if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
734 // #6694 - don't focus the input if it's already focused
735 // this breaks the change event in IE
736 inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] != document.activeElement)
737 inst.input.focus();
738 // deffered render of the years select (to avoid flashes on Firefox)
739 if( inst.yearshtml ){
740 var origyearshtml = inst.yearshtml;
741 setTimeout(function(){
742 //assure that inst.yearshtml didn't change.
743 if( origyearshtml === inst.yearshtml && inst.yearshtml ){
744 inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
745 }
746 origyearshtml = inst.yearshtml = null;
747 }, 0);
748 }
749 },
750
751 /* Retrieve the size of left and top borders for an element.
752 @param elem (jQuery object) the element of interest
753 @return (number[2]) the left and top borders */
754 _getBorders: function(elem) {
755 var convert = function(value) {
756 return {thin: 1, medium: 2, thick: 3}[value] || value;
757 };
758 return [parseFloat(convert(elem.css('border-left-width'))),
759 parseFloat(convert(elem.css('border-top-width')))];
760 },
761
762 /* Check positioning to remain on screen. */
763 _checkOffset: function(inst, offset, isFixed) {
764 var dpWidth = inst.dpDiv.outerWidth();
765 var dpHeight = inst.dpDiv.outerHeight();
766 var inputWidth = inst.input ? inst.input.outerWidth() : 0;
767 var inputHeight = inst.input ? inst.input.outerHeight() : 0;
768 var viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft());
769 var viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());
770
771 offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
772 offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
773 offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
774
775 // now check if datepicker is showing outside window viewport - move to a better place if so.
776 offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
777 Math.abs(offset.left + dpWidth - viewWidth) : 0);
778 offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
779 Math.abs(dpHeight + inputHeight) : 0);
780
781 return offset;
782 },
783
784 /* Find an object's position on the screen. */
785 _findPos: function(obj) {
786 var inst = this._getInst(obj);
787 var isRTL = this._get(inst, 'isRTL');
788 while (obj && (obj.type == 'hidden' || obj.nodeType != 1 || $.expr.filters.hidden(obj))) {
789 obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
790 }
791 var position = $(obj).offset();
792 return [position.left, position.top];
793 },
794
795 /* Hide the date picker from view.
796 @param input element - the input field attached to the date picker */
797 _hideDatepicker: function(input) {
798 var inst = this._curInst;
799 if (!inst || (input && inst != $.data(input, PROP_NAME)))
800 return;
801 if (this._datepickerShowing) {
802 var showAnim = this._get(inst, 'showAnim');
803 var duration = this._get(inst, 'duration');
804 var postProcess = function() {
805 $.datepicker._tidyDialog(inst);
806 };
807 if ($.effects && $.effects[showAnim])
808 inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
809 else
810 inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
811 (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
812 if (!showAnim)
813 postProcess();
814 this._datepickerShowing = false;
815 var onClose = this._get(inst, 'onClose');
816 if (onClose)
817 onClose.apply((inst.input ? inst.input[0] : null),
818 [(inst.input ? inst.input.val() : ''), inst]);
819 this._lastInput = null;
820 if (this._inDialog) {
821 this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
822 if ($.blockUI) {
823 $.unblockUI();
824 $('body').append(this.dpDiv);
825 }
826 }
827 this._inDialog = false;
828 }
829 },
830
831 /* Tidy up after a dialog display. */
832 _tidyDialog: function(inst) {
833 inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
834 },
835
836 /* Close date picker if clicked elsewhere. */
837 _checkExternalClick: function(event) {
838 if (!$.datepicker._curInst)
839 return;
840
841 var $target = $(event.target),
842 inst = $.datepicker._getInst($target[0]);
843
844 if ( ( ( $target[0].id != $.datepicker._mainDivId &&
845 $target.parents('#' + $.datepicker._mainDivId).length == 0 &&
846 !$target.hasClass($.datepicker.markerClassName) &&
847 !$target.closest("." + $.datepicker._triggerClass).length &&
848 $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
849 ( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst != inst ) )
850 $.datepicker._hideDatepicker();
851 },
852
853 /* Adjust one of the date sub-fields. */
854 _adjustDate: function(id, offset, period) {
855 var target = $(id);
856 var inst = this._getInst(target[0]);
857 if (this._isDisabledDatepicker(target[0])) {
858 return;
859 }
860 this._adjustInstDate(inst, offset +
861 (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
862 period);
863 this._updateDatepicker(inst);
864 },
865
866 /* Action for current link. */
867 _gotoToday: function(id) {
868 var target = $(id);
869 var inst = this._getInst(target[0]);
870 if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
871 inst.selectedDay = inst.currentDay;
872 inst.drawMonth = inst.selectedMonth = inst.currentMonth;
873 inst.drawYear = inst.selectedYear = inst.currentYear;
874 }
875 else {
876 var date = new Date();
877 inst.selectedDay = date.getDate();
878 inst.drawMonth = inst.selectedMonth = date.getMonth();
879 inst.drawYear = inst.selectedYear = date.getFullYear();
880 }
881 this._notifyChange(inst);
882 this._adjustDate(target);
883 },
884
885 /* Action for selecting a new month/year. */
886 _selectMonthYear: function(id, select, period) {
887 var target = $(id);
888 var inst = this._getInst(target[0]);
889 inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
890 inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
891 parseInt(select.options[select.selectedIndex].value,10);
892 this._notifyChange(inst);
893 this._adjustDate(target);
894 },
895
896 /* Action for selecting a day. */
897 _selectDay: function(id, month, year, td) {
898 var target = $(id);
899 if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
900 return;
901 }
902 var inst = this._getInst(target[0]);
903 inst.selectedDay = inst.currentDay = $('a', td).html();
904 inst.selectedMonth = inst.currentMonth = month;
905 inst.selectedYear = inst.currentYear = year;
906 this._selectDate(id, this._formatDate(inst,
907 inst.currentDay, inst.currentMonth, inst.currentYear));
908 },
909
910 /* Erase the input field and hide the date picker. */
911 _clearDate: function(id) {
912 var target = $(id);
913 var inst = this._getInst(target[0]);
914 this._selectDate(target, '');
915 },
916
917 /* Update the input field with the selected date. */
918 _selectDate: function(id, dateStr) {
919 var target = $(id);
920 var inst = this._getInst(target[0]);
921 dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
922 if (inst.input)
923 inst.input.val(dateStr);
924 this._updateAlternate(inst);
925 var onSelect = this._get(inst, 'onSelect');
926 if (onSelect)
927 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
928 else if (inst.input)
929 inst.input.trigger('change'); // fire the change event
930 if (inst.inline)
931 this._updateDatepicker(inst);
932 else {
933 this._hideDatepicker();
934 this._lastInput = inst.input[0];
935 if (typeof(inst.input[0]) != 'object')
936 inst.input.focus(); // restore focus
937 this._lastInput = null;
938 }
939 },
940
941 /* Update any alternate field to synchronise with the main field. */
942 _updateAlternate: function(inst) {
943 var altField = this._get(inst, 'altField');
944 if (altField) { // update alternate field too
945 var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
946 var date = this._getDate(inst);
947 var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
948 $(altField).each(function() { $(this).val(dateStr); });
949 }
950 },
951
952 /* Set as beforeShowDay function to prevent selection of weekends.
953 @param date Date - the date to customise
954 @return [boolean, string] - is this date selectable?, what is its CSS class? */
955 noWeekends: function(date) {
956 var day = date.getDay();
957 return [(day > 0 && day < 6), ''];
958 },
959
960 /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
961 @param date Date - the date to get the week for
962 @return number - the number of the week within the year that contains this date */
963 iso8601Week: function(date) {
964 var checkDate = new Date(date.getTime());
965 // Find Thursday of this week starting on Monday
966 checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
967 var time = checkDate.getTime();
968 checkDate.setMonth(0); // Compare with Jan 1
969 checkDate.setDate(1);
970 return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
971 },
972
973 /* Parse a string value into a date object.
974 See formatDate below for the possible formats.
975
976 @param format string - the expected format of the date
977 @param value string - the date in the above format
978 @param settings Object - attributes include:
979 shortYearCutoff number - the cutoff year for determining the century (optional)
980 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
981 dayNames string[7] - names of the days from Sunday (optional)
982 monthNamesShort string[12] - abbreviated names of the months (optional)
983 monthNames string[12] - names of the months (optional)
984 @return Date - the extracted date value or null if value is blank */
985 parseDate: function (format, value, settings) {
986 if (format == null || value == null)
987 throw 'Invalid arguments';
988 value = (typeof value == 'object' ? value.toString() : value + '');
989 if (value == '')
990 return null;
991 var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
992 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
993 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
994 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
995 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
996 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
997 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
998 var year = -1;
999 var month = -1;
1000 var day = -1;
1001 var doy = -1;
1002 var literal = false;
1003 // Check whether a format character is doubled
1004 var lookAhead = function(match) {
1005 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1006 if (matches)
1007 iFormat++;
1008 return matches;
1009 };
1010 // Extract a number from the string value
1011 var getNumber = function(match) {
1012 var isDoubled = lookAhead(match);
1013 var size = (match == '@' ? 14 : (match == '!' ? 20 :
1014 (match == 'y' && isDoubled ? 4 : (match == 'o' ? 3 : 2))));
1015 var digits = new RegExp('^\\d{1,' + size + '}');
1016 var num = value.substring(iValue).match(digits);
1017 if (!num)
1018 throw 'Missing number at position ' + iValue;
1019 iValue += num[0].length;
1020 return parseInt(num[0], 10);
1021 };
1022 // Extract a name from the string value and convert to an index
1023 var getName = function(match, shortNames, longNames) {
1024 var names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
1025 return [ [k, v] ];
1026 }).sort(function (a, b) {
1027 return -(a[1].length - b[1].length);
1028 });
1029 var index = -1;
1030 $.each(names, function (i, pair) {
1031 var name = pair[1];
1032 if (value.substr(iValue, name.length).toLowerCase() == name.toLowerCase()) {
1033 index = pair[0];
1034 iValue += name.length;
1035 return false;
1036 }
1037 });
1038 if (index != -1)
1039 return index + 1;
1040 else
1041 throw 'Unknown name at position ' + iValue;
1042 };
1043 // Confirm that a literal character matches the string value
1044 var checkLiteral = function() {
1045 if (value.charAt(iValue) != format.charAt(iFormat))
1046 throw 'Unexpected literal at position ' + iValue;
1047 iValue++;
1048 };
1049 var iValue = 0;
1050 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1051 if (literal)
1052 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1053 literal = false;
1054 else
1055 checkLiteral();
1056 else
1057 switch (format.charAt(iFormat)) {
1058 case 'd':
1059 day = getNumber('d');
1060 break;
1061 case 'D':
1062 getName('D', dayNamesShort, dayNames);
1063 break;
1064 case 'o':
1065 doy = getNumber('o');
1066 break;
1067 case 'm':
1068 month = getNumber('m');
1069 break;
1070 case 'M':
1071 month = getName('M', monthNamesShort, monthNames);
1072 break;
1073 case 'y':
1074 year = getNumber('y');
1075 break;
1076 case '@':
1077 var date = new Date(getNumber('@'));
1078 year = date.getFullYear();
1079 month = date.getMonth() + 1;
1080 day = date.getDate();
1081 break;
1082 case '!':
1083 var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
1084 year = date.getFullYear();
1085 month = date.getMonth() + 1;
1086 day = date.getDate();
1087 break;
1088 case "'":
1089 if (lookAhead("'"))
1090 checkLiteral();
1091 else
1092 literal = true;
1093 break;
1094 default:
1095 checkLiteral();
1096 }
1097 }
1098 if (iValue < value.length){
1099 throw "Extra/unparsed characters found in date: " + value.substring(iValue);
1100 }
1101 if (year == -1)
1102 year = new Date().getFullYear();
1103 else if (year < 100)
1104 year += new Date().getFullYear() - new Date().getFullYear() % 100 +
1105 (year <= shortYearCutoff ? 0 : -100);
1106 if (doy > -1) {
1107 month = 1;
1108 day = doy;
1109 do {
1110 var dim = this._getDaysInMonth(year, month - 1);
1111 if (day <= dim)
1112 break;
1113 month++;
1114 day -= dim;
1115 } while (true);
1116 }
1117 var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
1118 if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
1119 throw 'Invalid date'; // E.g. 31/02/00
1120 return date;
1121 },
1122
1123 /* Standard date formats. */
1124 ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
1125 COOKIE: 'D, dd M yy',
1126 ISO_8601: 'yy-mm-dd',
1127 RFC_822: 'D, d M y',
1128 RFC_850: 'DD, dd-M-y',
1129 RFC_1036: 'D, d M y',
1130 RFC_1123: 'D, d M yy',
1131 RFC_2822: 'D, d M yy',
1132 RSS: 'D, d M y', // RFC 822
1133 TICKS: '!',
1134 TIMESTAMP: '@',
1135 W3C: 'yy-mm-dd', // ISO 8601
1136
1137 _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
1138 Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
1139
1140 /* Format a date object into a string value.
1141 The format can be combinations of the following:
1142 d - day of month (no leading zero)
1143 dd - day of month (two digit)
1144 o - day of year (no leading zeros)
1145 oo - day of year (three digit)
1146 D - day name short
1147 DD - day name long
1148 m - month of year (no leading zero)
1149 mm - month of year (two digit)
1150 M - month name short
1151 MM - month name long
1152 y - year (two digit)
1153 yy - year (four digit)
1154 @ - Unix timestamp (ms since 01/01/1970)
1155 ! - Windows ticks (100ns since 01/01/0001)
1156 '...' - literal text
1157 '' - single quote
1158
1159 @param format string - the desired format of the date
1160 @param date Date - the date value to format
1161 @param settings Object - attributes include:
1162 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1163 dayNames string[7] - names of the days from Sunday (optional)
1164 monthNamesShort string[12] - abbreviated names of the months (optional)
1165 monthNames string[12] - names of the months (optional)
1166 @return string - the date in the above format */
1167 formatDate: function (format, date, settings) {
1168 if (!date)
1169 return '';
1170 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1171 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1172 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1173 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1174 // Check whether a format character is doubled
1175 var lookAhead = function(match) {
1176 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1177 if (matches)
1178 iFormat++;
1179 return matches;
1180 };
1181 // Format a number, with leading zero if necessary
1182 var formatNumber = function(match, value, len) {
1183 var num = '' + value;
1184 if (lookAhead(match))
1185 while (num.length < len)
1186 num = '0' + num;
1187 return num;
1188 };
1189 // Format a name, short or long as requested
1190 var formatName = function(match, value, shortNames, longNames) {
1191 return (lookAhead(match) ? longNames[value] : shortNames[value]);
1192 };
1193 var output = '';
1194 var literal = false;
1195 if (date)
1196 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1197 if (literal)
1198 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1199 literal = false;
1200 else
1201 output += format.charAt(iFormat);
1202 else
1203 switch (format.charAt(iFormat)) {
1204 case 'd':
1205 output += formatNumber('d', date.getDate(), 2);
1206 break;
1207 case 'D':
1208 output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1209 break;
1210 case 'o':
1211 output += formatNumber('o',
1212 Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000), 3);
1213 break;
1214 case 'm':
1215 output += formatNumber('m', date.getMonth() + 1, 2);
1216 break;
1217 case 'M':
1218 output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1219 break;
1220 case 'y':
1221 output += (lookAhead('y') ? date.getFullYear() :
1222 (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1223 break;
1224 case '@':
1225 output += date.getTime();
1226 break;
1227 case '!':
1228 output += date.getTime() * 10000 + this._ticksTo1970;
1229 break;
1230 case "'":
1231 if (lookAhead("'"))
1232 output += "'";
1233 else
1234 literal = true;
1235 break;
1236 default:
1237 output += format.charAt(iFormat);
1238 }
1239 }
1240 return output;
1241 },
1242
1243 /* Extract all possible characters from the date format. */
1244 _possibleChars: function (format) {
1245 var chars = '';
1246 var literal = false;
1247 // Check whether a format character is doubled
1248 var lookAhead = function(match) {
1249 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1250 if (matches)
1251 iFormat++;
1252 return matches;
1253 };
1254 for (var iFormat = 0; iFormat < format.length; iFormat++)
1255 if (literal)
1256 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1257 literal = false;
1258 else
1259 chars += format.charAt(iFormat);
1260 else
1261 switch (format.charAt(iFormat)) {
1262 case 'd': case 'm': case 'y': case '@':
1263 chars += '0123456789';
1264 break;
1265 case 'D': case 'M':
1266 return null; // Accept anything
1267 case "'":
1268 if (lookAhead("'"))
1269 chars += "'";
1270 else
1271 literal = true;
1272 break;
1273 default:
1274 chars += format.charAt(iFormat);
1275 }
1276 return chars;
1277 },
1278
1279 /* Get a setting value, defaulting if necessary. */
1280 _get: function(inst, name) {
1281 return inst.settings[name] !== undefined ?
1282 inst.settings[name] : this._defaults[name];
1283 },
1284
1285 /* Parse existing date and initialise date picker. */
1286 _setDateFromField: function(inst, noDefault) {
1287 if (inst.input.val() == inst.lastVal) {
1288 return;
1289 }
1290 var dateFormat = this._get(inst, 'dateFormat');
1291 var dates = inst.lastVal = inst.input ? inst.input.val() : null;
1292 var date, defaultDate;
1293 date = defaultDate = this._getDefaultDate(inst);
1294 var settings = this._getFormatConfig(inst);
1295 try {
1296 date = this.parseDate(dateFormat, dates, settings) || defaultDate;
1297 } catch (event) {
1298 this.log(event);
1299 dates = (noDefault ? '' : dates);
1300 }
1301 inst.selectedDay = date.getDate();
1302 inst.drawMonth = inst.selectedMonth = date.getMonth();
1303 inst.drawYear = inst.selectedYear = date.getFullYear();
1304 inst.currentDay = (dates ? date.getDate() : 0);
1305 inst.currentMonth = (dates ? date.getMonth() : 0);
1306 inst.currentYear = (dates ? date.getFullYear() : 0);
1307 this._adjustInstDate(inst);
1308 },
1309
1310 /* Retrieve the default date shown on opening. */
1311 _getDefaultDate: function(inst) {
1312 return this._restrictMinMax(inst,
1313 this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
1314 },
1315
1316 /* A date may be specified as an exact value or a relative one. */
1317 _determineDate: function(inst, date, defaultDate) {
1318 var offsetNumeric = function(offset) {
1319 var date = new Date();
1320 date.setDate(date.getDate() + offset);
1321 return date;
1322 };
1323 var offsetString = function(offset) {
1324 try {
1325 return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
1326 offset, $.datepicker._getFormatConfig(inst));
1327 }
1328 catch (e) {
1329 // Ignore
1330 }
1331 var date = (offset.toLowerCase().match(/^c/) ?
1332 $.datepicker._getDate(inst) : null) || new Date();
1333 var year = date.getFullYear();
1334 var month = date.getMonth();
1335 var day = date.getDate();
1336 var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1337 var matches = pattern.exec(offset);
1338 while (matches) {
1339 switch (matches[2] || 'd') {
1340 case 'd' : case 'D' :
1341 day += parseInt(matches[1],10); break;
1342 case 'w' : case 'W' :
1343 day += parseInt(matches[1],10) * 7; break;
1344 case 'm' : case 'M' :
1345 month += parseInt(matches[1],10);
1346 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1347 break;
1348 case 'y': case 'Y' :
1349 year += parseInt(matches[1],10);
1350 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1351 break;
1352 }
1353 matches = pattern.exec(offset);
1354 }
1355 return new Date(year, month, day);
1356 };
1357 var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
1358 (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
1359 newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
1360 if (newDate) {
1361 newDate.setHours(0);
1362 newDate.setMinutes(0);
1363 newDate.setSeconds(0);
1364 newDate.setMilliseconds(0);
1365 }
1366 return this._daylightSavingAdjust(newDate);
1367 },
1368
1369 /* Handle switch to/from daylight saving.
1370 Hours may be non-zero on daylight saving cut-over:
1371 > 12 when midnight changeover, but then cannot generate
1372 midnight datetime, so jump to 1AM, otherwise reset.
1373 @param date (Date) the date to check
1374 @return (Date) the corrected date */
1375 _daylightSavingAdjust: function(date) {
1376 if (!date) return null;
1377 date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1378 return date;
1379 },
1380
1381 /* Set the date(s) directly. */
1382 _setDate: function(inst, date, noChange) {
1383 var clear = !date;
1384 var origMonth = inst.selectedMonth;
1385 var origYear = inst.selectedYear;
1386 var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
1387 inst.selectedDay = inst.currentDay = newDate.getDate();
1388 inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
1389 inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
1390 if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange)
1391 this._notifyChange(inst);
1392 this._adjustInstDate(inst);
1393 if (inst.input) {
1394 inst.input.val(clear ? '' : this._formatDate(inst));
1395 }
1396 },
1397
1398 /* Retrieve the date(s) directly. */
1399 _getDate: function(inst) {
1400 var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1401 this._daylightSavingAdjust(new Date(
1402 inst.currentYear, inst.currentMonth, inst.currentDay)));
1403 return startDate;
1404 },
1405
1406 /* Attach the onxxx handlers. These are declared statically so
1407 * they work with static code transformers like Caja.
1408 */
1409 _attachHandlers: function(inst) {
1410 var stepMonths = this._get(inst, 'stepMonths');
1411 var id = '#' + inst.id;
1412 inst.dpDiv.find('[data-handler]').map(function () {
1413 var handler = {
1414 prev: function () {
1415 window['DP_jQuery_' + dpuuid].datepicker._adjustDate(id, -stepMonths, 'M');
1416 },
1417 next: function () {
1418 window['DP_jQuery_' + dpuuid].datepicker._adjustDate(id, +stepMonths, 'M');
1419 },
1420 hide: function () {
1421 window['DP_jQuery_' + dpuuid].datepicker._hideDatepicker();
1422 },
1423 today: function () {
1424 window['DP_jQuery_' + dpuuid].datepicker._gotoToday(id);
1425 },
1426 selectDay: function () {
1427 window['DP_jQuery_' + dpuuid].datepicker._selectDay(id, +this.getAttribute('data-month'), +this.getAttribute('data-year'), this);
1428 return false;
1429 },
1430 selectMonth: function () {
1431 window['DP_jQuery_' + dpuuid].datepicker._selectMonthYear(id, this, 'M');
1432 return false;
1433 },
1434 selectYear: function () {
1435 window['DP_jQuery_' + dpuuid].datepicker._selectMonthYear(id, this, 'Y');
1436 return false;
1437 }
1438 };
1439 $(this).bind(this.getAttribute('data-event'), handler[this.getAttribute('data-handler')]);
1440 });
1441 },
1442
1443 /* Generate the HTML for the current state of the date picker. */
1444 _generateHTML: function(inst) {
1445 var today = new Date();
1446 today = this._daylightSavingAdjust(
1447 new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1448 var isRTL = this._get(inst, 'isRTL');
1449 var showButtonPanel = this._get(inst, 'showButtonPanel');
1450 var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1451 var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1452 var numMonths = this._getNumberOfMonths(inst);
1453 var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1454 var stepMonths = this._get(inst, 'stepMonths');
1455 var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1456 var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1457 new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1458 var minDate = this._getMinMaxDate(inst, 'min');
1459 var maxDate = this._getMinMaxDate(inst, 'max');
1460 var drawMonth = inst.drawMonth - showCurrentAtPos;
1461 var drawYear = inst.drawYear;
1462 if (drawMonth < 0) {
1463 drawMonth += 12;
1464 drawYear--;
1465 }
1466 if (maxDate) {
1467 var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1468 maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
1469 maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1470 while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1471 drawMonth--;
1472 if (drawMonth < 0) {
1473 drawMonth = 11;
1474 drawYear--;
1475 }
1476 }
1477 }
1478 inst.drawMonth = drawMonth;
1479 inst.drawYear = drawYear;
1480 var prevText = this._get(inst, 'prevText');
1481 prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1482 this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1483 this._getFormatConfig(inst)));
1484 var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1485 '<a class="ui-datepicker-prev ui-corner-all" data-handler="prev" data-event="click"' +
1486 ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1487 (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>'));
1488 var nextText = this._get(inst, 'nextText');
1489 nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1490 this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1491 this._getFormatConfig(inst)));
1492 var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1493 '<a class="ui-datepicker-next ui-corner-all" data-handler="next" data-event="click"' +
1494 ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1495 (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>'));
1496 var currentText = this._get(inst, 'currentText');
1497 var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1498 currentText = (!navigationAsDateFormat ? currentText :
1499 this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1500 var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" data-handler="hide" data-event="click">' +
1501 this._get(inst, 'closeText') + '</button>' : '');
1502 var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1503 (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" data-handler="today" data-event="click"' +
1504 '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1505 var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1506 firstDay = (isNaN(firstDay) ? 0 : firstDay);
1507 var showWeek = this._get(inst, 'showWeek');
1508 var dayNames = this._get(inst, 'dayNames');
1509 var dayNamesShort = this._get(inst, 'dayNamesShort');
1510 var dayNamesMin = this._get(inst, 'dayNamesMin');
1511 var monthNames = this._get(inst, 'monthNames');
1512 var monthNamesShort = this._get(inst, 'monthNamesShort');
1513 var beforeShowDay = this._get(inst, 'beforeShowDay');
1514 var showOtherMonths = this._get(inst, 'showOtherMonths');
1515 var selectOtherMonths = this._get(inst, 'selectOtherMonths');
1516 var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1517 var defaultDate = this._getDefaultDate(inst);
1518 var html = '';
1519 for (var row = 0; row < numMonths[0]; row++) {
1520 var group = '';
1521 this.maxRows = 4;
1522 for (var col = 0; col < numMonths[1]; col++) {
1523 var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1524 var cornerClass = ' ui-corner-all';
1525 var calender = '';
1526 if (isMultiMonth) {
1527 calender += '<div class="ui-datepicker-group';
1528 if (numMonths[1] > 1)
1529 switch (col) {
1530 case 0: calender += ' ui-datepicker-group-first';
1531 cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1532 case numMonths[1]-1: calender += ' ui-datepicker-group-last';
1533 cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1534 default: calender += ' ui-datepicker-group-middle'; cornerClass = ''; break;
1535 }
1536 calender += '">';
1537 }
1538 calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1539 (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1540 (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1541 this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1542 row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
1543 '</div><table class="ui-datepicker-calendar"><thead>' +
1544 '<tr>';
1545 var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
1546 for (var dow = 0; dow < 7; dow++) { // days of the week
1547 var day = (dow + firstDay) % 7;
1548 thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1549 '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1550 }
1551 calender += thead + '</tr></thead><tbody>';
1552 var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1553 if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1554 inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1555 var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1556 var curRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
1557 var numRows = (isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows); //If multiple months, use the higher number of rows (see #7043)
1558 this.maxRows = numRows;
1559 var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1560 for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1561 calender += '<tr>';
1562 var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
1563 this._get(inst, 'calculateWeek')(printDate) + '</td>');
1564 for (var dow = 0; dow < 7; dow++) { // create date picker days
1565 var daySettings = (beforeShowDay ?
1566 beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1567 var otherMonth = (printDate.getMonth() != drawMonth);
1568 var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
1569 (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1570 tbody += '<td class="' +
1571 ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1572 (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1573 ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1574 (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1575 // or defaultDate is current printedDate and defaultDate is selectedDate
1576 ' ' + this._dayOverClass : '') + // highlight selected day
1577 (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1578 (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1579 (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
1580 (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1581 ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1582 (unselectable ? '' : ' data-handler="selectDay" data-event="click" data-month="' + printDate.getMonth() + '" data-year="' + printDate.getFullYear() + '"') + '>' + // actions
1583 (otherMonth && !showOtherMonths ? '&#xa0;' : // display for other months
1584 (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1585 (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1586 (printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + // highlight selected day
1587 (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
1588 '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
1589 printDate.setDate(printDate.getDate() + 1);
1590 printDate = this._daylightSavingAdjust(printDate);
1591 }
1592 calender += tbody + '</tr>';
1593 }
1594 drawMonth++;
1595 if (drawMonth > 11) {
1596 drawMonth = 0;
1597 drawYear++;
1598 }
1599 calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1600 ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1601 group += calender;
1602 }
1603 html += group;
1604 }
1605 html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1606 '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1607 inst._keyEvent = false;
1608 return html;
1609 },
1610
1611 /* Generate the month and year header. */
1612 _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1613 secondary, monthNames, monthNamesShort) {
1614 var changeMonth = this._get(inst, 'changeMonth');
1615 var changeYear = this._get(inst, 'changeYear');
1616 var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1617 var html = '<div class="ui-datepicker-title">';
1618 var monthHtml = '';
1619 // month selection
1620 if (secondary || !changeMonth)
1621 monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
1622 else {
1623 var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1624 var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1625 monthHtml += '<select class="ui-datepicker-month" data-handler="selectMonth" data-event="change">';
1626 for (var month = 0; month < 12; month++) {
1627 if ((!inMinYear || month >= minDate.getMonth()) &&
1628 (!inMaxYear || month <= maxDate.getMonth()))
1629 monthHtml += '<option value="' + month + '"' +
1630 (month == drawMonth ? ' selected="selected"' : '') +
1631 '>' + monthNamesShort[month] + '</option>';
1632 }
1633 monthHtml += '</select>';
1634 }
1635 if (!showMonthAfterYear)
1636 html += monthHtml + (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '');
1637 // year selection
1638 if ( !inst.yearshtml ) {
1639 inst.yearshtml = '';
1640 if (secondary || !changeYear)
1641 html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1642 else {
1643 // determine range of years to display
1644 var years = this._get(inst, 'yearRange').split(':');
1645 var thisYear = new Date().getFullYear();
1646 var determineYear = function(value) {
1647 var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
1648 (value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
1649 parseInt(value, 10)));
1650 return (isNaN(year) ? thisYear : year);
1651 };
1652 var year = determineYear(years[0]);
1653 var endYear = Math.max(year, determineYear(years[1] || ''));
1654 year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1655 endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1656 inst.yearshtml += '<select class="ui-datepicker-year" data-handler="selectYear" data-event="change">';
1657 for (; year <= endYear; year++) {
1658 inst.yearshtml += '<option value="' + year + '"' +
1659 (year == drawYear ? ' selected="selected"' : '') +
1660 '>' + year + '</option>';
1661 }
1662 inst.yearshtml += '</select>';
1663
1664 html += inst.yearshtml;
1665 inst.yearshtml = null;
1666 }
1667 }
1668 html += this._get(inst, 'yearSuffix');
1669 if (showMonthAfterYear)
1670 html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
1671 html += '</div>'; // Close datepicker_header
1672 return html;
1673 },
1674
1675 /* Adjust one of the date sub-fields. */
1676 _adjustInstDate: function(inst, offset, period) {
1677 var year = inst.drawYear + (period == 'Y' ? offset : 0);
1678 var month = inst.drawMonth + (period == 'M' ? offset : 0);
1679 var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1680 (period == 'D' ? offset : 0);
1681 var date = this._restrictMinMax(inst,
1682 this._daylightSavingAdjust(new Date(year, month, day)));
1683 inst.selectedDay = date.getDate();
1684 inst.drawMonth = inst.selectedMonth = date.getMonth();
1685 inst.drawYear = inst.selectedYear = date.getFullYear();
1686 if (period == 'M' || period == 'Y')
1687 this._notifyChange(inst);
1688 },
1689
1690 /* Ensure a date is within any min/max bounds. */
1691 _restrictMinMax: function(inst, date) {
1692 var minDate = this._getMinMaxDate(inst, 'min');
1693 var maxDate = this._getMinMaxDate(inst, 'max');
1694 var newDate = (minDate && date < minDate ? minDate : date);
1695 newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
1696 return newDate;
1697 },
1698
1699 /* Notify change of month/year. */
1700 _notifyChange: function(inst) {
1701 var onChange = this._get(inst, 'onChangeMonthYear');
1702 if (onChange)
1703 onChange.apply((inst.input ? inst.input[0] : null),
1704 [inst.selectedYear, inst.selectedMonth + 1, inst]);
1705 },
1706
1707 /* Determine the number of months to show. */
1708 _getNumberOfMonths: function(inst) {
1709 var numMonths = this._get(inst, 'numberOfMonths');
1710 return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1711 },
1712
1713 /* Determine the current maximum date - ensure no time components are set. */
1714 _getMinMaxDate: function(inst, minMax) {
1715 return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
1716 },
1717
1718 /* Find the number of days in a given month. */
1719 _getDaysInMonth: function(year, month) {
1720 return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
1721 },
1722
1723 /* Find the day of the week of the first of a month. */
1724 _getFirstDayOfMonth: function(year, month) {
1725 return new Date(year, month, 1).getDay();
1726 },
1727
1728 /* Determines if we should allow a "next/prev" month display change. */
1729 _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1730 var numMonths = this._getNumberOfMonths(inst);
1731 var date = this._daylightSavingAdjust(new Date(curYear,
1732 curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
1733 if (offset < 0)
1734 date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1735 return this._isInRange(inst, date);
1736 },
1737
1738 /* Is the given date in the accepted range? */
1739 _isInRange: function(inst, date) {
1740 var minDate = this._getMinMaxDate(inst, 'min');
1741 var maxDate = this._getMinMaxDate(inst, 'max');
1742 return ((!minDate || date.getTime() >= minDate.getTime()) &&
1743 (!maxDate || date.getTime() <= maxDate.getTime()));
1744 },
1745
1746 /* Provide the configuration settings for formatting/parsing. */
1747 _getFormatConfig: function(inst) {
1748 var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1749 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1750 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1751 return {shortYearCutoff: shortYearCutoff,
1752 dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1753 monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1754 },
1755
1756 /* Format the given date for display. */
1757 _formatDate: function(inst, day, month, year) {
1758 if (!day) {
1759 inst.currentDay = inst.selectedDay;
1760 inst.currentMonth = inst.selectedMonth;
1761 inst.currentYear = inst.selectedYear;
1762 }
1763 var date = (day ? (typeof day == 'object' ? day :
1764 this._daylightSavingAdjust(new Date(year, month, day))) :
1765 this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1766 return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1767 }
1768 });
1769
1770 /*
1771 * Bind hover events for datepicker elements.
1772 * Done via delegate so the binding only occurs once in the lifetime of the parent div.
1773 * Global instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
1774 */
1775 function bindHover(dpDiv) {
1776 var selector = 'button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a';
1777 return dpDiv.bind('mouseout', function(event) {
1778 var elem = $( event.target ).closest( selector );
1779 if ( !elem.length ) {
1780 return;
1781 }
1782 elem.removeClass( "ui-state-hover ui-datepicker-prev-hover ui-datepicker-next-hover" );
1783 })
1784 .bind('mouseover', function(event) {
1785 var elem = $( event.target ).closest( selector );
1786 if ($.datepicker._isDisabledDatepicker( instActive.inline ? dpDiv.parent()[0] : instActive.input[0]) ||
1787 !elem.length ) {
1788 return;
1789 }
1790 elem.parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
1791 elem.addClass('ui-state-hover');
1792 if (elem.hasClass('ui-datepicker-prev')) elem.addClass('ui-datepicker-prev-hover');
1793 if (elem.hasClass('ui-datepicker-next')) elem.addClass('ui-datepicker-next-hover');
1794 });
1795 }
1796
1797 /* jQuery extend now ignores nulls! */
1798 function extendRemove(target, props) {
1799 $.extend(target, props);
1800 for (var name in props)
1801 if (props[name] == null || props[name] == undefined)
1802 target[name] = props[name];
1803 return target;
1804 };
1805
1806 /* Determine whether an object is an array. */
1807 function isArray(a) {
1808 return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
1809 (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1810 };
1811
1812 /* Invoke the datepicker functionality.
1813 @param options string - a command, optionally followed by additional parameters or
1814 Object - settings for attaching new datepicker functionality
1815 @return jQuery object */
1816 $.fn.datepicker = function(options){
1817
1818 /* Verify an empty collection wasn't passed - Fixes #6976 */
1819 if ( !this.length ) {
1820 return this;
1821 }
1822
1823 /* Initialise the date picker. */
1824 if (!$.datepicker.initialized) {
1825 $(document).mousedown($.datepicker._checkExternalClick).
1826 find('body').append($.datepicker.dpDiv);
1827 $.datepicker.initialized = true;
1828 }
1829
1830 var otherArgs = Array.prototype.slice.call(arguments, 1);
1831 if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'widget'))
1832 return $.datepicker['_' + options + 'Datepicker'].
1833 apply($.datepicker, [this[0]].concat(otherArgs));
1834 if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
1835 return $.datepicker['_' + options + 'Datepicker'].
1836 apply($.datepicker, [this[0]].concat(otherArgs));
1837 return this.each(function() {
1838 typeof options == 'string' ?
1839 $.datepicker['_' + options + 'Datepicker'].
1840 apply($.datepicker, [this].concat(otherArgs)) :
1841 $.datepicker._attachDatepicker(this, options);
1842 });
1843 };
1844
1845 $.datepicker = new Datepicker(); // singleton instance
1846 $.datepicker.initialized = false;
1847 $.datepicker.uuid = new Date().getTime();
1848 $.datepicker.version = "1.8.22";
1849
1850 // Workaround for #4055
1851 // Add another global to avoid noConflict issues with inline event handlers
1852 window['DP_jQuery_' + dpuuid] = $;
1853
1854 })(jQuery);
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