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[weblabels.fsf.org.git] / crm.fsf.org / 20131203 / files / jquery-ui-1.8.7 / jquery.ui.datepicker.js
1 /*
2 * jQuery UI Datepicker 1.8.7
3 *
4 * Copyright 2010, 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: "1.8.7" } });
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' ? $.extend({}, inst.settings) :
435 this._get(inst, name)) : null));
436 }
437 var settings = name || {};
438 if (typeof name == 'string') {
439 settings = {};
440 settings[name] = value;
441 }
442 if (inst) {
443 if (this._curInst == inst) {
444 this._hideDatepicker();
445 }
446 var date = this._getDateDatepicker(target, true);
447 extendRemove(inst.settings, settings);
448 this._attachments($(target), inst);
449 this._autoSize(inst);
450 this._setDateDatepicker(target, date);
451 this._updateDatepicker(inst);
452 }
453 },
454
455 // change method deprecated
456 _changeDatepicker: function(target, name, value) {
457 this._optionDatepicker(target, name, value);
458 },
459
460 /* Redraw the date picker attached to an input field or division.
461 @param target element - the target input field or division or span */
462 _refreshDatepicker: function(target) {
463 var inst = this._getInst(target);
464 if (inst) {
465 this._updateDatepicker(inst);
466 }
467 },
468
469 /* Set the dates for a jQuery selection.
470 @param target element - the target input field or division or span
471 @param date Date - the new date */
472 _setDateDatepicker: function(target, date) {
473 var inst = this._getInst(target);
474 if (inst) {
475 this._setDate(inst, date);
476 this._updateDatepicker(inst);
477 this._updateAlternate(inst);
478 }
479 },
480
481 /* Get the date(s) for the first entry in a jQuery selection.
482 @param target element - the target input field or division or span
483 @param noDefault boolean - true if no default date is to be used
484 @return Date - the current date */
485 _getDateDatepicker: function(target, noDefault) {
486 var inst = this._getInst(target);
487 if (inst && !inst.inline)
488 this._setDateFromField(inst, noDefault);
489 return (inst ? this._getDate(inst) : null);
490 },
491
492 /* Handle keystrokes. */
493 _doKeyDown: function(event) {
494 var inst = $.datepicker._getInst(event.target);
495 var handled = true;
496 var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
497 inst._keyEvent = true;
498 if ($.datepicker._datepickerShowing)
499 switch (event.keyCode) {
500 case 9: $.datepicker._hideDatepicker();
501 handled = false;
502 break; // hide on tab out
503 case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
504 $.datepicker._currentClass + ')', inst.dpDiv);
505 if (sel[0])
506 $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
507 else
508 $.datepicker._hideDatepicker();
509 return false; // don't submit the form
510 break; // select the value on enter
511 case 27: $.datepicker._hideDatepicker();
512 break; // hide on escape
513 case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
514 -$.datepicker._get(inst, 'stepBigMonths') :
515 -$.datepicker._get(inst, 'stepMonths')), 'M');
516 break; // previous month/year on page up/+ ctrl
517 case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
518 +$.datepicker._get(inst, 'stepBigMonths') :
519 +$.datepicker._get(inst, 'stepMonths')), 'M');
520 break; // next month/year on page down/+ ctrl
521 case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
522 handled = event.ctrlKey || event.metaKey;
523 break; // clear on ctrl or command +end
524 case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
525 handled = event.ctrlKey || event.metaKey;
526 break; // current on ctrl or command +home
527 case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
528 handled = event.ctrlKey || event.metaKey;
529 // -1 day on ctrl or command +left
530 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
531 -$.datepicker._get(inst, 'stepBigMonths') :
532 -$.datepicker._get(inst, 'stepMonths')), 'M');
533 // next month/year on alt +left on Mac
534 break;
535 case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
536 handled = event.ctrlKey || event.metaKey;
537 break; // -1 week on ctrl or command +up
538 case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
539 handled = event.ctrlKey || event.metaKey;
540 // +1 day on ctrl or command +right
541 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
542 +$.datepicker._get(inst, 'stepBigMonths') :
543 +$.datepicker._get(inst, 'stepMonths')), 'M');
544 // next month/year on alt +right
545 break;
546 case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
547 handled = event.ctrlKey || event.metaKey;
548 break; // +1 week on ctrl or command +down
549 default: handled = false;
550 }
551 else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
552 $.datepicker._showDatepicker(this);
553 else {
554 handled = false;
555 }
556 if (handled) {
557 event.preventDefault();
558 event.stopPropagation();
559 }
560 },
561
562 /* Filter entered characters - based on date format. */
563 _doKeyPress: function(event) {
564 var inst = $.datepicker._getInst(event.target);
565 if ($.datepicker._get(inst, 'constrainInput')) {
566 var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
567 var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
568 return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
569 }
570 },
571
572 /* Synchronise manual entry and field/alternate field. */
573 _doKeyUp: function(event) {
574 var inst = $.datepicker._getInst(event.target);
575 if (inst.input.val() != inst.lastVal) {
576 try {
577 var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
578 (inst.input ? inst.input.val() : null),
579 $.datepicker._getFormatConfig(inst));
580 if (date) { // only if valid
581 $.datepicker._setDateFromField(inst);
582 $.datepicker._updateAlternate(inst);
583 $.datepicker._updateDatepicker(inst);
584 }
585 }
586 catch (event) {
587 $.datepicker.log(event);
588 }
589 }
590 return true;
591 },
592
593 /* Pop-up the date picker for a given input field.
594 @param input element - the input field attached to the date picker or
595 event - if triggered by focus */
596 _showDatepicker: function(input) {
597 input = input.target || input;
598 if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
599 input = $('input', input.parentNode)[0];
600 if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
601 return;
602 var inst = $.datepicker._getInst(input);
603 if ($.datepicker._curInst && $.datepicker._curInst != inst) {
604 $.datepicker._curInst.dpDiv.stop(true, true);
605 }
606 var beforeShow = $.datepicker._get(inst, 'beforeShow');
607 extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
608 inst.lastVal = null;
609 $.datepicker._lastInput = input;
610 $.datepicker._setDateFromField(inst);
611 if ($.datepicker._inDialog) // hide cursor
612 input.value = '';
613 if (!$.datepicker._pos) { // position below input
614 $.datepicker._pos = $.datepicker._findPos(input);
615 $.datepicker._pos[1] += input.offsetHeight; // add the height
616 }
617 var isFixed = false;
618 $(input).parents().each(function() {
619 isFixed |= $(this).css('position') == 'fixed';
620 return !isFixed;
621 });
622 if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
623 $.datepicker._pos[0] -= document.documentElement.scrollLeft;
624 $.datepicker._pos[1] -= document.documentElement.scrollTop;
625 }
626 var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
627 $.datepicker._pos = null;
628 //to avoid flashes on Firefox
629 inst.dpDiv.empty();
630 // determine sizing offscreen
631 inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
632 $.datepicker._updateDatepicker(inst);
633 // fix width for dynamic number of date pickers
634 // and adjust position before showing
635 offset = $.datepicker._checkOffset(inst, offset, isFixed);
636 inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
637 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
638 left: offset.left + 'px', top: offset.top + 'px'});
639 if (!inst.inline) {
640 var showAnim = $.datepicker._get(inst, 'showAnim');
641 var duration = $.datepicker._get(inst, 'duration');
642 var postProcess = function() {
643 $.datepicker._datepickerShowing = true;
644 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
645 if( !! cover.length ){
646 var borders = $.datepicker._getBorders(inst.dpDiv);
647 cover.css({left: -borders[0], top: -borders[1],
648 width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
649 }
650 };
651 inst.dpDiv.zIndex($(input).zIndex()+1);
652 if ($.effects && $.effects[showAnim])
653 inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
654 else
655 inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
656 if (!showAnim || !duration)
657 postProcess();
658 if (inst.input.is(':visible') && !inst.input.is(':disabled'))
659 inst.input.focus();
660 $.datepicker._curInst = inst;
661 }
662 },
663
664 /* Generate the date picker content. */
665 _updateDatepicker: function(inst) {
666 var self = this;
667 var borders = $.datepicker._getBorders(inst.dpDiv);
668 inst.dpDiv.empty().append(this._generateHTML(inst));
669 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
670 if( !!cover.length ){ //avoid call to outerXXXX() when not in IE6
671 cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
672 }
673 inst.dpDiv.find('button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a')
674 .bind('mouseout', function(){
675 $(this).removeClass('ui-state-hover');
676 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
677 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover');
678 })
679 .bind('mouseover', function(){
680 if (!self._isDisabledDatepicker( inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
681 $(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
682 $(this).addClass('ui-state-hover');
683 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
684 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover');
685 }
686 })
687 .end()
688 .find('.' + this._dayOverClass + ' a')
689 .trigger('mouseover')
690 .end();
691 var numMonths = this._getNumberOfMonths(inst);
692 var cols = numMonths[1];
693 var width = 17;
694 if (cols > 1)
695 inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
696 else
697 inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
698 inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
699 'Class']('ui-datepicker-multi');
700 inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
701 'Class']('ui-datepicker-rtl');
702 if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
703 inst.input.is(':visible') && !inst.input.is(':disabled'))
704 inst.input.focus();
705 // deffered render of the years select (to avoid flashes on Firefox)
706 if( inst.yearshtml ){
707 var origyearshtml = inst.yearshtml;
708 setTimeout(function(){
709 //assure that inst.yearshtml didn't change.
710 if( origyearshtml === inst.yearshtml ){
711 inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
712 }
713 origyearshtml = inst.yearshtml = null;
714 }, 0);
715 }
716 },
717
718 /* Retrieve the size of left and top borders for an element.
719 @param elem (jQuery object) the element of interest
720 @return (number[2]) the left and top borders */
721 _getBorders: function(elem) {
722 var convert = function(value) {
723 return {thin: 1, medium: 2, thick: 3}[value] || value;
724 };
725 return [parseFloat(convert(elem.css('border-left-width'))),
726 parseFloat(convert(elem.css('border-top-width')))];
727 },
728
729 /* Check positioning to remain on screen. */
730 _checkOffset: function(inst, offset, isFixed) {
731 var dpWidth = inst.dpDiv.outerWidth();
732 var dpHeight = inst.dpDiv.outerHeight();
733 var inputWidth = inst.input ? inst.input.outerWidth() : 0;
734 var inputHeight = inst.input ? inst.input.outerHeight() : 0;
735 var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
736 var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();
737
738 offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
739 offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
740 offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
741
742 // now check if datepicker is showing outside window viewport - move to a better place if so.
743 offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
744 Math.abs(offset.left + dpWidth - viewWidth) : 0);
745 offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
746 Math.abs(dpHeight + inputHeight) : 0);
747
748 return offset;
749 },
750
751 /* Find an object's position on the screen. */
752 _findPos: function(obj) {
753 var inst = this._getInst(obj);
754 var isRTL = this._get(inst, 'isRTL');
755 while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) {
756 obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
757 }
758 var position = $(obj).offset();
759 return [position.left, position.top];
760 },
761
762 /* Hide the date picker from view.
763 @param input element - the input field attached to the date picker */
764 _hideDatepicker: function(input) {
765 var inst = this._curInst;
766 if (!inst || (input && inst != $.data(input, PROP_NAME)))
767 return;
768 if (this._datepickerShowing) {
769 var showAnim = this._get(inst, 'showAnim');
770 var duration = this._get(inst, 'duration');
771 var postProcess = function() {
772 $.datepicker._tidyDialog(inst);
773 this._curInst = null;
774 };
775 if ($.effects && $.effects[showAnim])
776 inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
777 else
778 inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
779 (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
780 if (!showAnim)
781 postProcess();
782 var onClose = this._get(inst, 'onClose');
783 if (onClose)
784 onClose.apply((inst.input ? inst.input[0] : null),
785 [(inst.input ? inst.input.val() : ''), inst]); // trigger custom callback
786 this._datepickerShowing = false;
787 this._lastInput = null;
788 if (this._inDialog) {
789 this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
790 if ($.blockUI) {
791 $.unblockUI();
792 $('body').append(this.dpDiv);
793 }
794 }
795 this._inDialog = false;
796 }
797 },
798
799 /* Tidy up after a dialog display. */
800 _tidyDialog: function(inst) {
801 inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
802 },
803
804 /* Close date picker if clicked elsewhere. */
805 _checkExternalClick: function(event) {
806 if (!$.datepicker._curInst)
807 return;
808 var $target = $(event.target);
809 if ($target[0].id != $.datepicker._mainDivId &&
810 $target.parents('#' + $.datepicker._mainDivId).length == 0 &&
811 !$target.hasClass($.datepicker.markerClassName) &&
812 !$target.hasClass($.datepicker._triggerClass) &&
813 $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
814 $.datepicker._hideDatepicker();
815 },
816
817 /* Adjust one of the date sub-fields. */
818 _adjustDate: function(id, offset, period) {
819 var target = $(id);
820 var inst = this._getInst(target[0]);
821 if (this._isDisabledDatepicker(target[0])) {
822 return;
823 }
824 this._adjustInstDate(inst, offset +
825 (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
826 period);
827 this._updateDatepicker(inst);
828 },
829
830 /* Action for current link. */
831 _gotoToday: function(id) {
832 var target = $(id);
833 var inst = this._getInst(target[0]);
834 if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
835 inst.selectedDay = inst.currentDay;
836 inst.drawMonth = inst.selectedMonth = inst.currentMonth;
837 inst.drawYear = inst.selectedYear = inst.currentYear;
838 }
839 else {
840 var date = new Date();
841 inst.selectedDay = date.getDate();
842 inst.drawMonth = inst.selectedMonth = date.getMonth();
843 inst.drawYear = inst.selectedYear = date.getFullYear();
844 }
845 this._notifyChange(inst);
846 this._adjustDate(target);
847 },
848
849 /* Action for selecting a new month/year. */
850 _selectMonthYear: function(id, select, period) {
851 var target = $(id);
852 var inst = this._getInst(target[0]);
853 inst._selectingMonthYear = false;
854 inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
855 inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
856 parseInt(select.options[select.selectedIndex].value,10);
857 this._notifyChange(inst);
858 this._adjustDate(target);
859 },
860
861 /* Restore input focus after not changing month/year. */
862 _clickMonthYear: function(id) {
863 var target = $(id);
864 var inst = this._getInst(target[0]);
865 if (inst.input && inst._selectingMonthYear) {
866 setTimeout(function() {
867 inst.input.focus();
868 }, 0);
869 }
870 inst._selectingMonthYear = !inst._selectingMonthYear;
871 },
872
873 /* Action for selecting a day. */
874 _selectDay: function(id, month, year, td) {
875 var target = $(id);
876 if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
877 return;
878 }
879 var inst = this._getInst(target[0]);
880 inst.selectedDay = inst.currentDay = $('a', td).html();
881 inst.selectedMonth = inst.currentMonth = month;
882 inst.selectedYear = inst.currentYear = year;
883 this._selectDate(id, this._formatDate(inst,
884 inst.currentDay, inst.currentMonth, inst.currentYear));
885 },
886
887 /* Erase the input field and hide the date picker. */
888 _clearDate: function(id) {
889 var target = $(id);
890 var inst = this._getInst(target[0]);
891 this._selectDate(target, '');
892 },
893
894 /* Update the input field with the selected date. */
895 _selectDate: function(id, dateStr) {
896 var target = $(id);
897 var inst = this._getInst(target[0]);
898 dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
899 if (inst.input)
900 inst.input.val(dateStr);
901 this._updateAlternate(inst);
902 var onSelect = this._get(inst, 'onSelect');
903 if (onSelect)
904 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
905 else if (inst.input)
906 inst.input.trigger('change'); // fire the change event
907 if (inst.inline)
908 this._updateDatepicker(inst);
909 else {
910 this._hideDatepicker();
911 this._lastInput = inst.input[0];
912 if (typeof(inst.input[0]) != 'object')
913 inst.input.focus(); // restore focus
914 this._lastInput = null;
915 }
916 },
917
918 /* Update any alternate field to synchronise with the main field. */
919 _updateAlternate: function(inst) {
920 var altField = this._get(inst, 'altField');
921 if (altField) { // update alternate field too
922 var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
923 var date = this._getDate(inst);
924 var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
925 $(altField).each(function() { $(this).val(dateStr); });
926 }
927 },
928
929 /* Set as beforeShowDay function to prevent selection of weekends.
930 @param date Date - the date to customise
931 @return [boolean, string] - is this date selectable?, what is its CSS class? */
932 noWeekends: function(date) {
933 var day = date.getDay();
934 return [(day > 0 && day < 6), ''];
935 },
936
937 /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
938 @param date Date - the date to get the week for
939 @return number - the number of the week within the year that contains this date */
940 iso8601Week: function(date) {
941 var checkDate = new Date(date.getTime());
942 // Find Thursday of this week starting on Monday
943 checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
944 var time = checkDate.getTime();
945 checkDate.setMonth(0); // Compare with Jan 1
946 checkDate.setDate(1);
947 return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
948 },
949
950 /* Parse a string value into a date object.
951 See formatDate below for the possible formats.
952
953 @param format string - the expected format of the date
954 @param value string - the date in the above format
955 @param settings Object - attributes include:
956 shortYearCutoff number - the cutoff year for determining the century (optional)
957 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
958 dayNames string[7] - names of the days from Sunday (optional)
959 monthNamesShort string[12] - abbreviated names of the months (optional)
960 monthNames string[12] - names of the months (optional)
961 @return Date - the extracted date value or null if value is blank */
962 parseDate: function (format, value, settings) {
963 if (format == null || value == null)
964 throw 'Invalid arguments';
965 value = (typeof value == 'object' ? value.toString() : value + '');
966 if (value == '')
967 return null;
968 var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
969 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
970 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
971 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
972 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
973 var year = -1;
974 var month = -1;
975 var day = -1;
976 var doy = -1;
977 var literal = false;
978 // Check whether a format character is doubled
979 var lookAhead = function(match) {
980 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
981 if (matches)
982 iFormat++;
983 return matches;
984 };
985 // Extract a number from the string value
986 var getNumber = function(match) {
987 var isDoubled = lookAhead(match);
988 var size = (match == '@' ? 14 : (match == '!' ? 20 :
989 (match == 'y' && isDoubled ? 4 : (match == 'o' ? 3 : 2))));
990 var digits = new RegExp('^\\d{1,' + size + '}');
991 var num = value.substring(iValue).match(digits);
992 if (!num)
993 throw 'Missing number at position ' + iValue;
994 iValue += num[0].length;
995 return parseInt(num[0], 10);
996 };
997 // Extract a name from the string value and convert to an index
998 var getName = function(match, shortNames, longNames) {
999 var names = (lookAhead(match) ? longNames : shortNames);
1000 for (var i = 0; i < names.length; i++) {
1001 if (value.substr(iValue, names[i].length).toLowerCase() == names[i].toLowerCase()) {
1002 iValue += names[i].length;
1003 return i + 1;
1004 }
1005 }
1006 throw 'Unknown name at position ' + iValue;
1007 };
1008 // Confirm that a literal character matches the string value
1009 var checkLiteral = function() {
1010 if (value.charAt(iValue) != format.charAt(iFormat))
1011 throw 'Unexpected literal at position ' + iValue;
1012 iValue++;
1013 };
1014 var iValue = 0;
1015 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1016 if (literal)
1017 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1018 literal = false;
1019 else
1020 checkLiteral();
1021 else
1022 switch (format.charAt(iFormat)) {
1023 case 'd':
1024 day = getNumber('d');
1025 break;
1026 case 'D':
1027 getName('D', dayNamesShort, dayNames);
1028 break;
1029 case 'o':
1030 doy = getNumber('o');
1031 break;
1032 case 'm':
1033 month = getNumber('m');
1034 break;
1035 case 'M':
1036 month = getName('M', monthNamesShort, monthNames);
1037 break;
1038 case 'y':
1039 year = getNumber('y');
1040 break;
1041 case '@':
1042 var date = new Date(getNumber('@'));
1043 year = date.getFullYear();
1044 month = date.getMonth() + 1;
1045 day = date.getDate();
1046 break;
1047 case '!':
1048 var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
1049 year = date.getFullYear();
1050 month = date.getMonth() + 1;
1051 day = date.getDate();
1052 break;
1053 case "'":
1054 if (lookAhead("'"))
1055 checkLiteral();
1056 else
1057 literal = true;
1058 break;
1059 default:
1060 checkLiteral();
1061 }
1062 }
1063 if (year == -1)
1064 year = new Date().getFullYear();
1065 else if (year < 100)
1066 year += new Date().getFullYear() - new Date().getFullYear() % 100 +
1067 (year <= shortYearCutoff ? 0 : -100);
1068 if (doy > -1) {
1069 month = 1;
1070 day = doy;
1071 do {
1072 var dim = this._getDaysInMonth(year, month - 1);
1073 if (day <= dim)
1074 break;
1075 month++;
1076 day -= dim;
1077 } while (true);
1078 }
1079 var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
1080 if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
1081 throw 'Invalid date'; // E.g. 31/02/*
1082 return date;
1083 },
1084
1085 /* Standard date formats. */
1086 ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
1087 COOKIE: 'D, dd M yy',
1088 ISO_8601: 'yy-mm-dd',
1089 RFC_822: 'D, d M y',
1090 RFC_850: 'DD, dd-M-y',
1091 RFC_1036: 'D, d M y',
1092 RFC_1123: 'D, d M yy',
1093 RFC_2822: 'D, d M yy',
1094 RSS: 'D, d M y', // RFC 822
1095 TICKS: '!',
1096 TIMESTAMP: '@',
1097 W3C: 'yy-mm-dd', // ISO 8601
1098
1099 _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
1100 Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
1101
1102 /* Format a date object into a string value.
1103 The format can be combinations of the following:
1104 d - day of month (no leading zero)
1105 dd - day of month (two digit)
1106 o - day of year (no leading zeros)
1107 oo - day of year (three digit)
1108 D - day name short
1109 DD - day name long
1110 m - month of year (no leading zero)
1111 mm - month of year (two digit)
1112 M - month name short
1113 MM - month name long
1114 y - year (two digit)
1115 yy - year (four digit)
1116 @ - Unix timestamp (ms since 01/01/1970)
1117 ! - Windows ticks (100ns since 01/01/0001)
1118 '...' - literal text
1119 '' - single quote
1120
1121 @param format string - the desired format of the date
1122 @param date Date - the date value to format
1123 @param settings Object - attributes include:
1124 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1125 dayNames string[7] - names of the days from Sunday (optional)
1126 monthNamesShort string[12] - abbreviated names of the months (optional)
1127 monthNames string[12] - names of the months (optional)
1128 @return string - the date in the above format */
1129 formatDate: function (format, date, settings) {
1130 if (!date)
1131 return '';
1132 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1133 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1134 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1135 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1136 // Check whether a format character is doubled
1137 var lookAhead = function(match) {
1138 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1139 if (matches)
1140 iFormat++;
1141 return matches;
1142 };
1143 // Format a number, with leading zero if necessary
1144 var formatNumber = function(match, value, len) {
1145 var num = '' + value;
1146 if (lookAhead(match))
1147 while (num.length < len)
1148 num = '0' + num;
1149 return num;
1150 };
1151 // Format a name, short or long as requested
1152 var formatName = function(match, value, shortNames, longNames) {
1153 return (lookAhead(match) ? longNames[value] : shortNames[value]);
1154 };
1155 var output = '';
1156 var literal = false;
1157 if (date)
1158 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1159 if (literal)
1160 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1161 literal = false;
1162 else
1163 output += format.charAt(iFormat);
1164 else
1165 switch (format.charAt(iFormat)) {
1166 case 'd':
1167 output += formatNumber('d', date.getDate(), 2);
1168 break;
1169 case 'D':
1170 output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1171 break;
1172 case 'o':
1173 output += formatNumber('o',
1174 (date.getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000, 3);
1175 break;
1176 case 'm':
1177 output += formatNumber('m', date.getMonth() + 1, 2);
1178 break;
1179 case 'M':
1180 output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1181 break;
1182 case 'y':
1183 output += (lookAhead('y') ? date.getFullYear() :
1184 (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1185 break;
1186 case '@':
1187 output += date.getTime();
1188 break;
1189 case '!':
1190 output += date.getTime() * 10000 + this._ticksTo1970;
1191 break;
1192 case "'":
1193 if (lookAhead("'"))
1194 output += "'";
1195 else
1196 literal = true;
1197 break;
1198 default:
1199 output += format.charAt(iFormat);
1200 }
1201 }
1202 return output;
1203 },
1204
1205 /* Extract all possible characters from the date format. */
1206 _possibleChars: function (format) {
1207 var chars = '';
1208 var literal = false;
1209 // Check whether a format character is doubled
1210 var lookAhead = function(match) {
1211 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1212 if (matches)
1213 iFormat++;
1214 return matches;
1215 };
1216 for (var iFormat = 0; iFormat < format.length; iFormat++)
1217 if (literal)
1218 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1219 literal = false;
1220 else
1221 chars += format.charAt(iFormat);
1222 else
1223 switch (format.charAt(iFormat)) {
1224 case 'd': case 'm': case 'y': case '@':
1225 chars += '0123456789';
1226 break;
1227 case 'D': case 'M':
1228 return null; // Accept anything
1229 case "'":
1230 if (lookAhead("'"))
1231 chars += "'";
1232 else
1233 literal = true;
1234 break;
1235 default:
1236 chars += format.charAt(iFormat);
1237 }
1238 return chars;
1239 },
1240
1241 /* Get a setting value, defaulting if necessary. */
1242 _get: function(inst, name) {
1243 return inst.settings[name] !== undefined ?
1244 inst.settings[name] : this._defaults[name];
1245 },
1246
1247 /* Parse existing date and initialise date picker. */
1248 _setDateFromField: function(inst, noDefault) {
1249 if (inst.input.val() == inst.lastVal) {
1250 return;
1251 }
1252 var dateFormat = this._get(inst, 'dateFormat');
1253 var dates = inst.lastVal = inst.input ? inst.input.val() : null;
1254 var date, defaultDate;
1255 date = defaultDate = this._getDefaultDate(inst);
1256 var settings = this._getFormatConfig(inst);
1257 try {
1258 date = this.parseDate(dateFormat, dates, settings) || defaultDate;
1259 } catch (event) {
1260 this.log(event);
1261 dates = (noDefault ? '' : dates);
1262 }
1263 inst.selectedDay = date.getDate();
1264 inst.drawMonth = inst.selectedMonth = date.getMonth();
1265 inst.drawYear = inst.selectedYear = date.getFullYear();
1266 inst.currentDay = (dates ? date.getDate() : 0);
1267 inst.currentMonth = (dates ? date.getMonth() : 0);
1268 inst.currentYear = (dates ? date.getFullYear() : 0);
1269 this._adjustInstDate(inst);
1270 },
1271
1272 /* Retrieve the default date shown on opening. */
1273 _getDefaultDate: function(inst) {
1274 return this._restrictMinMax(inst,
1275 this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
1276 },
1277
1278 /* A date may be specified as an exact value or a relative one. */
1279 _determineDate: function(inst, date, defaultDate) {
1280 var offsetNumeric = function(offset) {
1281 var date = new Date();
1282 date.setDate(date.getDate() + offset);
1283 return date;
1284 };
1285 var offsetString = function(offset) {
1286 try {
1287 return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
1288 offset, $.datepicker._getFormatConfig(inst));
1289 }
1290 catch (e) {
1291 // Ignore
1292 }
1293 var date = (offset.toLowerCase().match(/^c/) ?
1294 $.datepicker._getDate(inst) : null) || new Date();
1295 var year = date.getFullYear();
1296 var month = date.getMonth();
1297 var day = date.getDate();
1298 var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1299 var matches = pattern.exec(offset);
1300 while (matches) {
1301 switch (matches[2] || 'd') {
1302 case 'd' : case 'D' :
1303 day += parseInt(matches[1],10); break;
1304 case 'w' : case 'W' :
1305 day += parseInt(matches[1],10) * 7; break;
1306 case 'm' : case 'M' :
1307 month += parseInt(matches[1],10);
1308 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1309 break;
1310 case 'y': case 'Y' :
1311 year += parseInt(matches[1],10);
1312 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1313 break;
1314 }
1315 matches = pattern.exec(offset);
1316 }
1317 return new Date(year, month, day);
1318 };
1319 var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
1320 (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
1321 newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
1322 if (newDate) {
1323 newDate.setHours(0);
1324 newDate.setMinutes(0);
1325 newDate.setSeconds(0);
1326 newDate.setMilliseconds(0);
1327 }
1328 return this._daylightSavingAdjust(newDate);
1329 },
1330
1331 /* Handle switch to/from daylight saving.
1332 Hours may be non-zero on daylight saving cut-over:
1333 > 12 when midnight changeover, but then cannot generate
1334 midnight datetime, so jump to 1AM, otherwise reset.
1335 @param date (Date) the date to check
1336 @return (Date) the corrected date */
1337 _daylightSavingAdjust: function(date) {
1338 if (!date) return null;
1339 date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1340 return date;
1341 },
1342
1343 /* Set the date(s) directly. */
1344 _setDate: function(inst, date, noChange) {
1345 var clear = !date;
1346 var origMonth = inst.selectedMonth;
1347 var origYear = inst.selectedYear;
1348 var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
1349 inst.selectedDay = inst.currentDay = newDate.getDate();
1350 inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
1351 inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
1352 if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange)
1353 this._notifyChange(inst);
1354 this._adjustInstDate(inst);
1355 if (inst.input) {
1356 inst.input.val(clear ? '' : this._formatDate(inst));
1357 }
1358 },
1359
1360 /* Retrieve the date(s) directly. */
1361 _getDate: function(inst) {
1362 var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1363 this._daylightSavingAdjust(new Date(
1364 inst.currentYear, inst.currentMonth, inst.currentDay)));
1365 return startDate;
1366 },
1367
1368 /* Generate the HTML for the current state of the date picker. */
1369 _generateHTML: function(inst) {
1370 var today = new Date();
1371 today = this._daylightSavingAdjust(
1372 new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1373 var isRTL = this._get(inst, 'isRTL');
1374 var showButtonPanel = this._get(inst, 'showButtonPanel');
1375 var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1376 var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1377 var numMonths = this._getNumberOfMonths(inst);
1378 var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1379 var stepMonths = this._get(inst, 'stepMonths');
1380 var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1381 var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1382 new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1383 var minDate = this._getMinMaxDate(inst, 'min');
1384 var maxDate = this._getMinMaxDate(inst, 'max');
1385 var drawMonth = inst.drawMonth - showCurrentAtPos;
1386 var drawYear = inst.drawYear;
1387 if (drawMonth < 0) {
1388 drawMonth += 12;
1389 drawYear--;
1390 }
1391 if (maxDate) {
1392 var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1393 maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
1394 maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1395 while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1396 drawMonth--;
1397 if (drawMonth < 0) {
1398 drawMonth = 11;
1399 drawYear--;
1400 }
1401 }
1402 }
1403 inst.drawMonth = drawMonth;
1404 inst.drawYear = drawYear;
1405 var prevText = this._get(inst, 'prevText');
1406 prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1407 this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1408 this._getFormatConfig(inst)));
1409 var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1410 '<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1411 '.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
1412 ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1413 (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>'));
1414 var nextText = this._get(inst, 'nextText');
1415 nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1416 this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1417 this._getFormatConfig(inst)));
1418 var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1419 '<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1420 '.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
1421 ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1422 (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>'));
1423 var currentText = this._get(inst, 'currentText');
1424 var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1425 currentText = (!navigationAsDateFormat ? currentText :
1426 this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1427 var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1428 '.datepicker._hideDatepicker();">' + this._get(inst, 'closeText') + '</button>' : '');
1429 var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1430 (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1431 '.datepicker._gotoToday(\'#' + inst.id + '\');"' +
1432 '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1433 var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1434 firstDay = (isNaN(firstDay) ? 0 : firstDay);
1435 var showWeek = this._get(inst, 'showWeek');
1436 var dayNames = this._get(inst, 'dayNames');
1437 var dayNamesShort = this._get(inst, 'dayNamesShort');
1438 var dayNamesMin = this._get(inst, 'dayNamesMin');
1439 var monthNames = this._get(inst, 'monthNames');
1440 var monthNamesShort = this._get(inst, 'monthNamesShort');
1441 var beforeShowDay = this._get(inst, 'beforeShowDay');
1442 var showOtherMonths = this._get(inst, 'showOtherMonths');
1443 var selectOtherMonths = this._get(inst, 'selectOtherMonths');
1444 var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1445 var defaultDate = this._getDefaultDate(inst);
1446 var html = '';
1447 for (var row = 0; row < numMonths[0]; row++) {
1448 var group = '';
1449 for (var col = 0; col < numMonths[1]; col++) {
1450 var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1451 var cornerClass = ' ui-corner-all';
1452 var calender = '';
1453 if (isMultiMonth) {
1454 calender += '<div class="ui-datepicker-group';
1455 if (numMonths[1] > 1)
1456 switch (col) {
1457 case 0: calender += ' ui-datepicker-group-first';
1458 cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1459 case numMonths[1]-1: calender += ' ui-datepicker-group-last';
1460 cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1461 default: calender += ' ui-datepicker-group-middle'; cornerClass = ''; break;
1462 }
1463 calender += '">';
1464 }
1465 calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1466 (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1467 (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1468 this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1469 row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
1470 '</div><table class="ui-datepicker-calendar"><thead>' +
1471 '<tr>';
1472 var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
1473 for (var dow = 0; dow < 7; dow++) { // days of the week
1474 var day = (dow + firstDay) % 7;
1475 thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1476 '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1477 }
1478 calender += thead + '</tr></thead><tbody>';
1479 var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1480 if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1481 inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1482 var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1483 var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
1484 var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1485 for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1486 calender += '<tr>';
1487 var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
1488 this._get(inst, 'calculateWeek')(printDate) + '</td>');
1489 for (var dow = 0; dow < 7; dow++) { // create date picker days
1490 var daySettings = (beforeShowDay ?
1491 beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1492 var otherMonth = (printDate.getMonth() != drawMonth);
1493 var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
1494 (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1495 tbody += '<td class="' +
1496 ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1497 (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1498 ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1499 (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1500 // or defaultDate is current printedDate and defaultDate is selectedDate
1501 ' ' + this._dayOverClass : '') + // highlight selected day
1502 (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1503 (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1504 (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
1505 (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1506 ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1507 (unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' +
1508 inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + // actions
1509 (otherMonth && !showOtherMonths ? '&#xa0;' : // display for other months
1510 (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1511 (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1512 (printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + // highlight selected day
1513 (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
1514 '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
1515 printDate.setDate(printDate.getDate() + 1);
1516 printDate = this._daylightSavingAdjust(printDate);
1517 }
1518 calender += tbody + '</tr>';
1519 }
1520 drawMonth++;
1521 if (drawMonth > 11) {
1522 drawMonth = 0;
1523 drawYear++;
1524 }
1525 calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1526 ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1527 group += calender;
1528 }
1529 html += group;
1530 }
1531 html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1532 '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1533 inst._keyEvent = false;
1534 return html;
1535 },
1536
1537 /* Generate the month and year header. */
1538 _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1539 secondary, monthNames, monthNamesShort) {
1540 var changeMonth = this._get(inst, 'changeMonth');
1541 var changeYear = this._get(inst, 'changeYear');
1542 var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1543 var html = '<div class="ui-datepicker-title">';
1544 var monthHtml = '';
1545 // month selection
1546 if (secondary || !changeMonth)
1547 monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
1548 else {
1549 var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1550 var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1551 monthHtml += '<select class="ui-datepicker-month" ' +
1552 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
1553 'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1554 '>';
1555 for (var month = 0; month < 12; month++) {
1556 if ((!inMinYear || month >= minDate.getMonth()) &&
1557 (!inMaxYear || month <= maxDate.getMonth()))
1558 monthHtml += '<option value="' + month + '"' +
1559 (month == drawMonth ? ' selected="selected"' : '') +
1560 '>' + monthNamesShort[month] + '</option>';
1561 }
1562 monthHtml += '</select>';
1563 }
1564 if (!showMonthAfterYear)
1565 html += monthHtml + (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '');
1566 // year selection
1567 inst.yearshtml = '';
1568 if (secondary || !changeYear)
1569 html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1570 else {
1571 // determine range of years to display
1572 var years = this._get(inst, 'yearRange').split(':');
1573 var thisYear = new Date().getFullYear();
1574 var determineYear = function(value) {
1575 var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
1576 (value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
1577 parseInt(value, 10)));
1578 return (isNaN(year) ? thisYear : year);
1579 };
1580 var year = determineYear(years[0]);
1581 var endYear = Math.max(year, determineYear(years[1] || ''));
1582 year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1583 endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1584 inst.yearshtml += '<select class="ui-datepicker-year" ' +
1585 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
1586 'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1587 '>';
1588 for (; year <= endYear; year++) {
1589 inst.yearshtml += '<option value="' + year + '"' +
1590 (year == drawYear ? ' selected="selected"' : '') +
1591 '>' + year + '</option>';
1592 }
1593 inst.yearshtml += '</select>';
1594 //when showing there is no need for later update
1595 if( ! $.browser.mozilla ){
1596 html += inst.yearshtml;
1597 inst.yearshtml = null;
1598 } else {
1599 // will be replaced later with inst.yearshtml
1600 html += '<select class="ui-datepicker-year"><option value="' + drawYear + '" selected="selected">' + drawYear + '</option></select>';
1601 }
1602 }
1603 html += this._get(inst, 'yearSuffix');
1604 if (showMonthAfterYear)
1605 html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
1606 html += '</div>'; // Close datepicker_header
1607 return html;
1608 },
1609
1610 /* Adjust one of the date sub-fields. */
1611 _adjustInstDate: function(inst, offset, period) {
1612 var year = inst.drawYear + (period == 'Y' ? offset : 0);
1613 var month = inst.drawMonth + (period == 'M' ? offset : 0);
1614 var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1615 (period == 'D' ? offset : 0);
1616 var date = this._restrictMinMax(inst,
1617 this._daylightSavingAdjust(new Date(year, month, day)));
1618 inst.selectedDay = date.getDate();
1619 inst.drawMonth = inst.selectedMonth = date.getMonth();
1620 inst.drawYear = inst.selectedYear = date.getFullYear();
1621 if (period == 'M' || period == 'Y')
1622 this._notifyChange(inst);
1623 },
1624
1625 /* Ensure a date is within any min/max bounds. */
1626 _restrictMinMax: function(inst, date) {
1627 var minDate = this._getMinMaxDate(inst, 'min');
1628 var maxDate = this._getMinMaxDate(inst, 'max');
1629 var newDate = (minDate && date < minDate ? minDate : date);
1630 newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
1631 return newDate;
1632 },
1633
1634 /* Notify change of month/year. */
1635 _notifyChange: function(inst) {
1636 var onChange = this._get(inst, 'onChangeMonthYear');
1637 if (onChange)
1638 onChange.apply((inst.input ? inst.input[0] : null),
1639 [inst.selectedYear, inst.selectedMonth + 1, inst]);
1640 },
1641
1642 /* Determine the number of months to show. */
1643 _getNumberOfMonths: function(inst) {
1644 var numMonths = this._get(inst, 'numberOfMonths');
1645 return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1646 },
1647
1648 /* Determine the current maximum date - ensure no time components are set. */
1649 _getMinMaxDate: function(inst, minMax) {
1650 return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
1651 },
1652
1653 /* Find the number of days in a given month. */
1654 _getDaysInMonth: function(year, month) {
1655 return 32 - new Date(year, month, 32).getDate();
1656 },
1657
1658 /* Find the day of the week of the first of a month. */
1659 _getFirstDayOfMonth: function(year, month) {
1660 return new Date(year, month, 1).getDay();
1661 },
1662
1663 /* Determines if we should allow a "next/prev" month display change. */
1664 _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1665 var numMonths = this._getNumberOfMonths(inst);
1666 var date = this._daylightSavingAdjust(new Date(curYear,
1667 curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
1668 if (offset < 0)
1669 date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1670 return this._isInRange(inst, date);
1671 },
1672
1673 /* Is the given date in the accepted range? */
1674 _isInRange: function(inst, date) {
1675 var minDate = this._getMinMaxDate(inst, 'min');
1676 var maxDate = this._getMinMaxDate(inst, 'max');
1677 return ((!minDate || date.getTime() >= minDate.getTime()) &&
1678 (!maxDate || date.getTime() <= maxDate.getTime()));
1679 },
1680
1681 /* Provide the configuration settings for formatting/parsing. */
1682 _getFormatConfig: function(inst) {
1683 var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1684 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1685 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1686 return {shortYearCutoff: shortYearCutoff,
1687 dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1688 monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1689 },
1690
1691 /* Format the given date for display. */
1692 _formatDate: function(inst, day, month, year) {
1693 if (!day) {
1694 inst.currentDay = inst.selectedDay;
1695 inst.currentMonth = inst.selectedMonth;
1696 inst.currentYear = inst.selectedYear;
1697 }
1698 var date = (day ? (typeof day == 'object' ? day :
1699 this._daylightSavingAdjust(new Date(year, month, day))) :
1700 this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1701 return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1702 }
1703 });
1704
1705 /* jQuery extend now ignores nulls! */
1706 function extendRemove(target, props) {
1707 $.extend(target, props);
1708 for (var name in props)
1709 if (props[name] == null || props[name] == undefined)
1710 target[name] = props[name];
1711 return target;
1712 };
1713
1714 /* Determine whether an object is an array. */
1715 function isArray(a) {
1716 return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
1717 (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1718 };
1719
1720 /* Invoke the datepicker functionality.
1721 @param options string - a command, optionally followed by additional parameters or
1722 Object - settings for attaching new datepicker functionality
1723 @return jQuery object */
1724 $.fn.datepicker = function(options){
1725
1726 /* Initialise the date picker. */
1727 if (!$.datepicker.initialized) {
1728 $(document).mousedown($.datepicker._checkExternalClick).
1729 find('body').append($.datepicker.dpDiv);
1730 $.datepicker.initialized = true;
1731 }
1732
1733 var otherArgs = Array.prototype.slice.call(arguments, 1);
1734 if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'widget'))
1735 return $.datepicker['_' + options + 'Datepicker'].
1736 apply($.datepicker, [this[0]].concat(otherArgs));
1737 if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
1738 return $.datepicker['_' + options + 'Datepicker'].
1739 apply($.datepicker, [this[0]].concat(otherArgs));
1740 return this.each(function() {
1741 typeof options == 'string' ?
1742 $.datepicker['_' + options + 'Datepicker'].
1743 apply($.datepicker, [this].concat(otherArgs)) :
1744 $.datepicker._attachDatepicker(this, options);
1745 });
1746 };
1747
1748 $.datepicker = new Datepicker(); // singleton instance
1749 $.datepicker.initialized = false;
1750 $.datepicker.uuid = new Date().getTime();
1751 $.datepicker.version = "1.8.7";
1752
1753 // Workaround for #4055
1754 // Add another global to avoid noConflict issues with inline event handlers
1755 window['DP_jQuery_' + dpuuid] = $;
1756
1757 })(jQuery);