| blob | d3aa5c2b470dfa613949037747b41ad973115824 |
1 /*
2 * jQuery UI Datepicker 1.7.1
3 *
4 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
5 * Dual licensed under the MIT (MIT-LICENSE.txt)
6 * and GPL (GPL-LICENSE.txt) licenses.
7 *
8 * http://docs.jquery.com/UI/Datepicker
9 *
10 * Depends:
11 * ui.core.js
12 */
14 (function($) { // hide the namespace
16 $.extend($.ui, { datepicker: { version: "1.7.1" } });
18 var PROP_NAME = 'datepicker';
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. */
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 dateFormat: 'mm/dd/yy', // See format options on parseDate
54 firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
55 isRTL: false // True if right-to-left language, false if left-to-right
56 };
57 this._defaults = { // Global defaults for all the date picker instances
58 showOn: 'focus', // 'focus' for popup on focus,
59 // 'button' for trigger button, or 'both' for either
60 showAnim: 'show', // Name of jQuery animation for popup
61 showOptions: {}, // Options for enhanced animations
62 defaultDate: null, // Used when field is blank: actual date,
63 // +/-number for offset from today, null for today
64 appendText: '', // Display text following the input box, e.g. showing the format
65 buttonText: '...', // Text for trigger button
66 buttonImage: '', // URL for trigger button image
67 buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
68 hideIfNoPrevNext: false, // True to hide next/previous month links
69 // if not applicable, false to just disable them
70 navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
71 gotoCurrent: false, // True if today link goes back to current selection instead
72 changeMonth: false, // True if month can be selected directly, false if only prev/next
73 changeYear: false, // True if year can be selected directly, false if only prev/next
74 showMonthAfterYear: false, // True if the year select precedes month, false for month then year
75 yearRange: '-10:+10', // Range of years to display in drop-down,
76 // either relative to current year (-nn:+nn) or absolute (nnnn:nnnn)
77 showOtherMonths: false, // True to show dates in other months, false to leave blank
78 calculateWeek: this.iso8601Week, // How to calculate the week of the year,
79 // takes a Date and returns the number of the week for it
80 shortYearCutoff: '+10', // Short year values < this are in the current century,
81 // > this are in the previous century,
82 // string value starting with '+' for current year + value
83 minDate: null, // The earliest selectable date, or null for no limit
84 maxDate: null, // The latest selectable date, or null for no limit
85 duration: 'normal', // Duration of display/closure
86 beforeShowDay: null, // Function that takes a date and returns an array with
87 // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
88 // [2] = cell title (optional), e.g. $.datepicker.noWeekends
89 beforeShow: null, // Function that takes an input field and
90 // returns a set of custom settings for the date picker
91 onSelect: null, // Define a callback function when a date is selected
92 onChangeMonthYear: null, // Define a callback function when the month or year is changed
93 onClose: null, // Define a callback function when the datepicker is closed
94 numberOfMonths: 1, // Number of months to show at a time
95 showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
96 stepMonths: 1, // Number of months to step back/forward
97 stepBigMonths: 12, // Number of months to step back/forward for the big links
98 altField: '', // Selector for an alternate field to store selected dates into
99 altFormat: '', // The date format to use for the alternate field
100 constrainInput: true, // The input is constrained by the current date format
101 showButtonPanel: false // True to show button panel, false to not show it
102 };
103 $.extend(this._defaults, this.regional['']);
104 this.dpDiv = $('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all ui-helper-hidden-accessible"></div>');
105 }
107 $.extend(Datepicker.prototype, {
108 /* Class name added to elements to indicate already configured with a date picker. */
109 markerClassName: 'hasDatepicker',
111 /* Debug logging (if enabled). */
112 log: function () {
113 if (this.debug)
114 console.log.apply('', arguments);
115 },
117 /* Override the default settings for all instances of the date picker.
118 @param settings object - the new settings to use as defaults (anonymous object)
119 @return the manager object */
120 setDefaults: function(settings) {
121 extendRemove(this._defaults, settings || {});
122 return this;
123 },
125 /* Attach the date picker to a jQuery selection.
126 @param target element - the target input field or division or span
127 @param settings object - the new settings to use for this date picker instance (anonymous) */
128 _attachDatepicker: function(target, settings) {
129 // check for settings on the control itself - in namespace 'date:'
130 var inlineSettings = null;
131 for (var attrName in this._defaults) {
132 var attrValue = target.getAttribute('date:' + attrName);
133 if (attrValue) {
134 inlineSettings = inlineSettings || {};
135 try {
136 inlineSettings[attrName] = eval(attrValue);
137 } catch (err) {
138 inlineSettings[attrName] = attrValue;
139 }
140 }
141 }
142 var nodeName = target.nodeName.toLowerCase();
143 var inline = (nodeName == 'div' || nodeName == 'span');
144 if (!target.id)
145 target.id = 'dp' + (++this.uuid);
146 var inst = this._newInst($(target), inline);
147 inst.settings = $.extend({}, settings || {}, inlineSettings || {});
148 if (nodeName == 'input') {
149 this._connectDatepicker(target, inst);
150 } else if (inline) {
151 this._inlineDatepicker(target, inst);
152 }
153 },
155 /* Create a new instance object. */
156 _newInst: function(target, inline) {
157 var id = target[0].id.replace(/([:\[\]\.])/g, '\\\\$1'); // escape jQuery meta chars
158 return {id: id, input: target, // associated target
159 selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
160 drawMonth: 0, drawYear: 0, // month being drawn
161 inline: inline, // is datepicker inline or not
162 dpDiv: (!inline ? this.dpDiv : // presentation div
163 $('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'))};
164 },
166 /* Attach the date picker to an input field. */
167 _connectDatepicker: function(target, inst) {
168 var input = $(target);
169 inst.trigger = $([]);
170 if (input.hasClass(this.markerClassName))
171 return;
172 var appendText = this._get(inst, 'appendText');
173 var isRTL = this._get(inst, 'isRTL');
174 if (appendText)
175 input[isRTL ? 'before' : 'after']('<span class="' + this._appendClass + '">' + appendText + '</span>');
176 var showOn = this._get(inst, 'showOn');
177 if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
178 input.focus(this._showDatepicker);
179 if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
180 var buttonText = this._get(inst, 'buttonText');
181 var buttonImage = this._get(inst, 'buttonImage');
182 inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
183 $('<img/>').addClass(this._triggerClass).
184 attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
185 $('<button type="button"></button>').addClass(this._triggerClass).
186 html(buttonImage == '' ? buttonText : $('<img/>').attr(
187 { src:buttonImage, alt:buttonText, title:buttonText })));
188 input[isRTL ? 'before' : 'after'](inst.trigger);
189 inst.trigger.click(function() {
190 if ($.datepicker._datepickerShowing && $.datepicker._lastInput == target)
191 $.datepicker._hideDatepicker();
192 else
193 $.datepicker._showDatepicker(target);
194 return false;
195 });
196 }
197 input.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress).
198 bind("setData.datepicker", function(event, key, value) {
199 inst.settings[key] = value;
200 }).bind("getData.datepicker", function(event, key) {
201 return this._get(inst, key);
202 });
203 $.data(target, PROP_NAME, inst);
204 },
206 /* Attach an inline date picker to a div. */
207 _inlineDatepicker: function(target, inst) {
208 var divSpan = $(target);
209 if (divSpan.hasClass(this.markerClassName))
210 return;
211 divSpan.addClass(this.markerClassName).append(inst.dpDiv).
212 bind("setData.datepicker", function(event, key, value){
213 inst.settings[key] = value;
214 }).bind("getData.datepicker", function(event, key){
215 return this._get(inst, key);
216 });
217 $.data(target, PROP_NAME, inst);
218 this._setDate(inst, this._getDefaultDate(inst));
219 this._updateDatepicker(inst);
220 this._updateAlternate(inst);
221 },
223 /* Pop-up the date picker in a "dialog" box.
224 @param input element - ignored
225 @param dateText string - the initial date to display (in the current format)
226 @param onSelect function - the function(dateText) to call when a date is selected
227 @param settings object - update the dialog date picker instance's settings (anonymous object)
228 @param pos int[2] - coordinates for the dialog's position within the screen or
229 event - with x/y coordinates or
230 leave empty for default (screen centre)
231 @return the manager object */
232 _dialogDatepicker: function(input, dateText, onSelect, settings, pos) {
233 var inst = this._dialogInst; // internal instance
234 if (!inst) {
235 var id = 'dp' + (++this.uuid);
236 this._dialogInput = $('<input type="text" id="' + id +
237 '" size="1" style="position: absolute; top: -100px;"/>');
238 this._dialogInput.keydown(this._doKeyDown);
239 $('body').append(this._dialogInput);
240 inst = this._dialogInst = this._newInst(this._dialogInput, false);
241 inst.settings = {};
242 $.data(this._dialogInput[0], PROP_NAME, inst);
243 }
244 extendRemove(inst.settings, settings || {});
245 this._dialogInput.val(dateText);
247 this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
248 if (!this._pos) {
249 var browserWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
250 var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
251 var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
252 var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
253 this._pos = // should use actual width/height below
254 [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
255 }
257 // move input on screen for focus, but hidden behind dialog
258 this._dialogInput.css('left', this._pos[0] + 'px').css('top', this._pos[1] + 'px');
259 inst.settings.onSelect = onSelect;
260 this._inDialog = true;
261 this.dpDiv.addClass(this._dialogClass);
262 this._showDatepicker(this._dialogInput[0]);
263 if ($.blockUI)
264 $.blockUI(this.dpDiv);
265 $.data(this._dialogInput[0], PROP_NAME, inst);
266 return this;
267 },
269 /* Detach a datepicker from its control.
270 @param target element - the target input field or division or span */
271 _destroyDatepicker: function(target) {
272 var $target = $(target);
273 var inst = $.data(target, PROP_NAME);
274 if (!$target.hasClass(this.markerClassName)) {
275 return;
276 }
277 var nodeName = target.nodeName.toLowerCase();
278 $.removeData(target, PROP_NAME);
279 if (nodeName == 'input') {
280 inst.trigger.remove();
281 $target.siblings('.' + this._appendClass).remove().end().
282 removeClass(this.markerClassName).
283 unbind('focus', this._showDatepicker).
284 unbind('keydown', this._doKeyDown).
285 unbind('keypress', this._doKeyPress);
286 } else if (nodeName == 'div' || nodeName == 'span')
287 $target.removeClass(this.markerClassName).empty();
288 },
290 /* Enable the date picker to a jQuery selection.
291 @param target element - the target input field or division or span */
292 _enableDatepicker: function(target) {
293 var $target = $(target);
294 var inst = $.data(target, PROP_NAME);
295 if (!$target.hasClass(this.markerClassName)) {
296 return;
297 }
298 var nodeName = target.nodeName.toLowerCase();
299 if (nodeName == 'input') {
300 target.disabled = false;
301 inst.trigger.filter("button").
302 each(function() { this.disabled = false; }).end().
303 filter("img").
304 css({opacity: '1.0', cursor: ''});
305 }
306 else if (nodeName == 'div' || nodeName == 'span') {
307 var inline = $target.children('.' + this._inlineClass);
308 inline.children().removeClass('ui-state-disabled');
309 }
310 this._disabledInputs = $.map(this._disabledInputs,
311 function(value) { return (value == target ? null : value); }); // delete entry
312 },
314 /* Disable the date picker to a jQuery selection.
315 @param target element - the target input field or division or span */
316 _disableDatepicker: function(target) {
317 var $target = $(target);
318 var inst = $.data(target, PROP_NAME);
319 if (!$target.hasClass(this.markerClassName)) {
320 return;
321 }
322 var nodeName = target.nodeName.toLowerCase();
323 if (nodeName == 'input') {
324 target.disabled = true;
325 inst.trigger.filter("button").
326 each(function() { this.disabled = true; }).end().
327 filter("img").
328 css({opacity: '0.5', cursor: 'default'});
329 }
330 else if (nodeName == 'div' || nodeName == 'span') {
331 var inline = $target.children('.' + this._inlineClass);
332 inline.children().addClass('ui-state-disabled');
333 }
334 this._disabledInputs = $.map(this._disabledInputs,
335 function(value) { return (value == target ? null : value); }); // delete entry
336 this._disabledInputs[this._disabledInputs.length] = target;
337 },
339 /* Is the first field in a jQuery collection disabled as a datepicker?
340 @param target element - the target input field or division or span
341 @return boolean - true if disabled, false if enabled */
342 _isDisabledDatepicker: function(target) {
343 if (!target) {
344 return false;
345 }
346 for (var i = 0; i < this._disabledInputs.length; i++) {
347 if (this._disabledInputs[i] == target)
348 return true;
349 }
350 return false;
351 },
353 /* Retrieve the instance data for the target control.
354 @param target element - the target input field or division or span
355 @return object - the associated instance data
356 @throws error if a jQuery problem getting data */
357 _getInst: function(target) {
358 try {
359 return $.data(target, PROP_NAME);
360 }
361 catch (err) {
362 throw 'Missing instance data for this datepicker';
363 }
364 },
366 /* Update the settings for a date picker attached to an input field or division.
367 @param target element - the target input field or division or span
368 @param name object - the new settings to update or
369 string - the name of the setting to change or
370 @param value any - the new value for the setting (omit if above is an object) */
371 _optionDatepicker: function(target, name, value) {
372 var settings = name || {};
373 if (typeof name == 'string') {
374 settings = {};
375 settings[name] = value;
376 }
377 var inst = this._getInst(target);
378 if (inst) {
379 if (this._curInst == inst) {
380 this._hideDatepicker(null);
381 }
382 extendRemove(inst.settings, settings);
383 var date = new Date();
384 extendRemove(inst, {rangeStart: null, // start of range
385 endDay: null, endMonth: null, endYear: null, // end of range
386 selectedDay: date.getDate(), selectedMonth: date.getMonth(),
387 selectedYear: date.getFullYear(), // starting point
388 currentDay: date.getDate(), currentMonth: date.getMonth(),
389 currentYear: date.getFullYear(), // current selection
390 drawMonth: date.getMonth(), drawYear: date.getFullYear()}); // month being drawn
391 this._updateDatepicker(inst);
392 }
393 },
395 // change method deprecated
396 _changeDatepicker: function(target, name, value) {
397 this._optionDatepicker(target, name, value);
398 },
400 /* Redraw the date picker attached to an input field or division.
401 @param target element - the target input field or division or span */
402 _refreshDatepicker: function(target) {
403 var inst = this._getInst(target);
404 if (inst) {
405 this._updateDatepicker(inst);
406 }
407 },
409 /* Set the dates for a jQuery selection.
410 @param target element - the target input field or division or span
411 @param date Date - the new date
412 @param endDate Date - the new end date for a range (optional) */
413 _setDateDatepicker: function(target, date, endDate) {
414 var inst = this._getInst(target);
415 if (inst) {
416 this._setDate(inst, date, endDate);
417 this._updateDatepicker(inst);
418 this._updateAlternate(inst);
419 }
420 },
422 /* Get the date(s) for the first entry in a jQuery selection.
423 @param target element - the target input field or division or span
424 @return Date - the current date or
425 Date[2] - the current dates for a range */
426 _getDateDatepicker: function(target) {
427 var inst = this._getInst(target);
428 if (inst && !inst.inline)
429 this._setDateFromField(inst);
430 return (inst ? this._getDate(inst) : null);
431 },
433 /* Handle keystrokes. */
434 _doKeyDown: function(event) {
435 var inst = $.datepicker._getInst(event.target);
436 var handled = true;
437 var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
438 inst._keyEvent = true;
439 if ($.datepicker._datepickerShowing)
440 switch (event.keyCode) {
441 case 9: $.datepicker._hideDatepicker(null, '');
442 break; // hide on tab out
443 case 13: var sel = $('td.' + $.datepicker._dayOverClass +
444 ', td.' + $.datepicker._currentClass, inst.dpDiv);
445 if (sel[0])
446 $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
447 else
448 $.datepicker._hideDatepicker(null, $.datepicker._get(inst, 'duration'));
449 return false; // don't submit the form
450 break; // select the value on enter
451 case 27: $.datepicker._hideDatepicker(null, $.datepicker._get(inst, 'duration'));
452 break; // hide on escape
453 case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
454 -$.datepicker._get(inst, 'stepBigMonths') :
455 -$.datepicker._get(inst, 'stepMonths')), 'M');
456 break; // previous month/year on page up/+ ctrl
457 case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
458 +$.datepicker._get(inst, 'stepBigMonths') :
459 +$.datepicker._get(inst, 'stepMonths')), 'M');
460 break; // next month/year on page down/+ ctrl
461 case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
462 handled = event.ctrlKey || event.metaKey;
463 break; // clear on ctrl or command +end
464 case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
465 handled = event.ctrlKey || event.metaKey;
466 break; // current on ctrl or command +home
467 case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
468 handled = event.ctrlKey || event.metaKey;
469 // -1 day on ctrl or command +left
470 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
471 -$.datepicker._get(inst, 'stepBigMonths') :
472 -$.datepicker._get(inst, 'stepMonths')), 'M');
473 // next month/year on alt +left on Mac
474 break;
475 case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
476 handled = event.ctrlKey || event.metaKey;
477 break; // -1 week on ctrl or command +up
478 case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
479 handled = event.ctrlKey || event.metaKey;
480 // +1 day on ctrl or command +right
481 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
482 +$.datepicker._get(inst, 'stepBigMonths') :
483 +$.datepicker._get(inst, 'stepMonths')), 'M');
484 // next month/year on alt +right
485 break;
486 case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
487 handled = event.ctrlKey || event.metaKey;
488 break; // +1 week on ctrl or command +down
489 default: handled = false;
490 }
491 else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
492 $.datepicker._showDatepicker(this);
493 else {
494 handled = false;
495 }
496 if (handled) {
497 event.preventDefault();
498 event.stopPropagation();
499 }
500 },
502 /* Filter entered characters - based on date format. */
503 _doKeyPress: function(event) {
504 var inst = $.datepicker._getInst(event.target);
505 if ($.datepicker._get(inst, 'constrainInput')) {
506 var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
507 var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
508 return event.ctrlKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
509 }
510 },
512 /* Pop-up the date picker for a given input field.
513 @param input element - the input field attached to the date picker or
514 event - if triggered by focus */
515 _showDatepicker: function(input) {
516 input = input.target || input;
517 if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
518 input = $('input', input.parentNode)[0];
519 if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
520 return;
521 var inst = $.datepicker._getInst(input);
522 var beforeShow = $.datepicker._get(inst, 'beforeShow');
523 extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
524 $.datepicker._hideDatepicker(null, '');
525 $.datepicker._lastInput = input;
526 $.datepicker._setDateFromField(inst);
527 if ($.datepicker._inDialog) // hide cursor
528 input.value = '';
529 if (!$.datepicker._pos) { // position below input
530 $.datepicker._pos = $.datepicker._findPos(input);
531 $.datepicker._pos[1] += input.offsetHeight; // add the height
532 }
533 var isFixed = false;
534 $(input).parents().each(function() {
535 isFixed |= $(this).css('position') == 'fixed';
536 return !isFixed;
537 });
538 if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
539 $.datepicker._pos[0] -= document.documentElement.scrollLeft;
540 $.datepicker._pos[1] -= document.documentElement.scrollTop;
541 }
542 var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
543 $.datepicker._pos = null;
544 inst.rangeStart = null;
545 // determine sizing offscreen
546 inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
547 $.datepicker._updateDatepicker(inst);
548 // fix width for dynamic number of date pickers
549 // and adjust position before showing
550 offset = $.datepicker._checkOffset(inst, offset, isFixed);
551 inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
552 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
553 left: offset.left + 'px', top: offset.top + 'px'});
554 if (!inst.inline) {
555 var showAnim = $.datepicker._get(inst, 'showAnim') || 'show';
556 var duration = $.datepicker._get(inst, 'duration');
557 var postProcess = function() {
558 $.datepicker._datepickerShowing = true;
559 if ($.browser.msie && parseInt($.browser.version,10) < 7) // fix IE < 7 select problems
560 $('iframe.ui-datepicker-cover').css({width: inst.dpDiv.width() + 4,
561 height: inst.dpDiv.height() + 4});
562 };
563 if ($.effects && $.effects[showAnim])
564 inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
565 else
566 inst.dpDiv[showAnim](duration, postProcess);
567 if (duration == '')
568 postProcess();
569 if (inst.input[0].type != 'hidden')
570 inst.input[0].focus();
571 $.datepicker._curInst = inst;
572 }
573 },
575 /* Generate the date picker content. */
576 _updateDatepicker: function(inst) {
577 var dims = {width: inst.dpDiv.width() + 4,
578 height: inst.dpDiv.height() + 4};
579 var self = this;
580 inst.dpDiv.empty().append(this._generateHTML(inst))
581 .find('iframe.ui-datepicker-cover').
582 css({width: dims.width, height: dims.height})
583 .end()
584 .find('button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a')
585 .bind('mouseout', function(){
586 $(this).removeClass('ui-state-hover');
587 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
588 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover');
589 })
590 .bind('mouseover', function(){
591 if (!self._isDisabledDatepicker( inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
592 $(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
593 $(this).addClass('ui-state-hover');
594 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
595 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover');
596 }
597 })
598 .end()
599 .find('.' + this._dayOverClass + ' a')
600 .trigger('mouseover')
601 .end();
602 var numMonths = this._getNumberOfMonths(inst);
603 var cols = numMonths[1];
604 var width = 17;
605 if (cols > 1) {
606 inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
607 } else {
608 inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
609 }
610 inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
611 'Class']('ui-datepicker-multi');
612 inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
613 'Class']('ui-datepicker-rtl');
614 if (inst.input && inst.input[0].type != 'hidden' && inst == $.datepicker._curInst)
615 $(inst.input[0]).focus();
616 },
618 /* Check positioning to remain on screen. */
619 _checkOffset: function(inst, offset, isFixed) {
620 var dpWidth = inst.dpDiv.outerWidth();
621 var dpHeight = inst.dpDiv.outerHeight();
622 var inputWidth = inst.input ? inst.input.outerWidth() : 0;
623 var inputHeight = inst.input ? inst.input.outerHeight() : 0;
624 var viewWidth = (window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth) + $(document).scrollLeft();
625 var viewHeight = (window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight) + $(document).scrollTop();
627 offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
628 offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
629 offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
631 // now check if datepicker is showing outside window viewport - move to a better place if so.
632 offset.left -= (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ? Math.abs(offset.left + dpWidth - viewWidth) : 0;
633 offset.top -= (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ? Math.abs(offset.top + dpHeight + inputHeight*2 - viewHeight) : 0;
635 return offset;
636 },
638 /* Find an object's position on the screen. */
639 _findPos: function(obj) {
640 while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) {
641 obj = obj.nextSibling;
642 }
643 var position = $(obj).offset();
644 return [position.left, position.top];
645 },
647 /* Hide the date picker from view.
648 @param input element - the input field attached to the date picker
649 @param duration string - the duration over which to close the date picker */
650 _hideDatepicker: function(input, duration) {
651 var inst = this._curInst;
652 if (!inst || (input && inst != $.data(input, PROP_NAME)))
653 return;
654 if (inst.stayOpen)
655 this._selectDate('#' + inst.id, this._formatDate(inst,
656 inst.currentDay, inst.currentMonth, inst.currentYear));
657 inst.stayOpen = false;
658 if (this._datepickerShowing) {
659 duration = (duration != null ? duration : this._get(inst, 'duration'));
660 var showAnim = this._get(inst, 'showAnim');
661 var postProcess = function() {
662 $.datepicker._tidyDialog(inst);
663 };
664 if (duration != '' && $.effects && $.effects[showAnim])
665 inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'),
666 duration, postProcess);
667 else
668 inst.dpDiv[(duration == '' ? 'hide' : (showAnim == 'slideDown' ? 'slideUp' :
669 (showAnim == 'fadeIn' ? 'fadeOut' : 'hide')))](duration, postProcess);
670 if (duration == '')
671 this._tidyDialog(inst);
672 var onClose = this._get(inst, 'onClose');
673 if (onClose)
674 onClose.apply((inst.input ? inst.input[0] : null),
675 [(inst.input ? inst.input.val() : ''), inst]); // trigger custom callback
676 this._datepickerShowing = false;
677 this._lastInput = null;
678 if (this._inDialog) {
679 this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
680 if ($.blockUI) {
681 $.unblockUI();
682 $('body').append(this.dpDiv);
683 }
684 }
685 this._inDialog = false;
686 }
687 this._curInst = null;
688 },
690 /* Tidy up after a dialog display. */
691 _tidyDialog: function(inst) {
692 inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
693 },
695 /* Close date picker if clicked elsewhere. */
696 _checkExternalClick: function(event) {
697 if (!$.datepicker._curInst)
698 return;
699 var $target = $(event.target);
700 if (($target.parents('#' + $.datepicker._mainDivId).length == 0) &&
701 !$target.hasClass($.datepicker.markerClassName) &&
702 !$target.hasClass($.datepicker._triggerClass) &&
703 $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
704 $.datepicker._hideDatepicker(null, '');
705 },
707 /* Adjust one of the date sub-fields. */
708 _adjustDate: function(id, offset, period) {
709 var target = $(id);
710 var inst = this._getInst(target[0]);
711 if (this._isDisabledDatepicker(target[0])) {
712 return;
713 }
714 this._adjustInstDate(inst, offset +
715 (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
716 period);
717 this._updateDatepicker(inst);
718 },
720 /* Action for current link. */
721 _gotoToday: function(id) {
722 var target = $(id);
723 var inst = this._getInst(target[0]);
724 if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
725 inst.selectedDay = inst.currentDay;
726 inst.drawMonth = inst.selectedMonth = inst.currentMonth;
727 inst.drawYear = inst.selectedYear = inst.currentYear;
728 }
729 else {
730 var date = new Date();
731 inst.selectedDay = date.getDate();
732 inst.drawMonth = inst.selectedMonth = date.getMonth();
733 inst.drawYear = inst.selectedYear = date.getFullYear();
734 }
735 this._notifyChange(inst);
736 this._adjustDate(target);
737 },
739 /* Action for selecting a new month/year. */
740 _selectMonthYear: function(id, select, period) {
741 var target = $(id);
742 var inst = this._getInst(target[0]);
743 inst._selectingMonthYear = false;
744 inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
745 inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
746 parseInt(select.options[select.selectedIndex].value,10);
747 this._notifyChange(inst);
748 this._adjustDate(target);
749 },
751 /* Restore input focus after not changing month/year. */
752 _clickMonthYear: function(id) {
753 var target = $(id);
754 var inst = this._getInst(target[0]);
755 if (inst.input && inst._selectingMonthYear && !$.browser.msie)
756 inst.input[0].focus();
757 inst._selectingMonthYear = !inst._selectingMonthYear;
758 },
760 /* Action for selecting a day. */
761 _selectDay: function(id, month, year, td) {
762 var target = $(id);
763 if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
764 return;
765 }
766 var inst = this._getInst(target[0]);
767 inst.selectedDay = inst.currentDay = $('a', td).html();
768 inst.selectedMonth = inst.currentMonth = month;
769 inst.selectedYear = inst.currentYear = year;
770 if (inst.stayOpen) {
771 inst.endDay = inst.endMonth = inst.endYear = null;
772 }
773 this._selectDate(id, this._formatDate(inst,
774 inst.currentDay, inst.currentMonth, inst.currentYear));
775 if (inst.stayOpen) {
776 inst.rangeStart = this._daylightSavingAdjust(
777 new Date(inst.currentYear, inst.currentMonth, inst.currentDay));
778 this._updateDatepicker(inst);
779 }
780 },
782 /* Erase the input field and hide the date picker. */
783 _clearDate: function(id) {
784 var target = $(id);
785 var inst = this._getInst(target[0]);
786 inst.stayOpen = false;
787 inst.endDay = inst.endMonth = inst.endYear = inst.rangeStart = null;
788 this._selectDate(target, '');
789 },
791 /* Update the input field with the selected date. */
792 _selectDate: function(id, dateStr) {
793 var target = $(id);
794 var inst = this._getInst(target[0]);
795 dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
796 if (inst.input)
797 inst.input.val(dateStr);
798 this._updateAlternate(inst);
799 var onSelect = this._get(inst, 'onSelect');
800 if (onSelect)
801 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
802 else if (inst.input)
803 inst.input.trigger('change'); // fire the change event
804 if (inst.inline)
805 this._updateDatepicker(inst);
806 else if (!inst.stayOpen) {
807 this._hideDatepicker(null, this._get(inst, 'duration'));
808 this._lastInput = inst.input[0];
809 if (typeof(inst.input[0]) != 'object')
810 inst.input[0].focus(); // restore focus
811 this._lastInput = null;
812 }
813 },
815 /* Update any alternate field to synchronise with the main field. */
816 _updateAlternate: function(inst) {
817 var altField = this._get(inst, 'altField');
818 if (altField) { // update alternate field too
819 var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
820 var date = this._getDate(inst);
821 dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
822 $(altField).each(function() { $(this).val(dateStr); });
823 }
824 },
826 /* Set as beforeShowDay function to prevent selection of weekends.
827 @param date Date - the date to customise
828 @return [boolean, string] - is this date selectable?, what is its CSS class? */
829 noWeekends: function(date) {
830 var day = date.getDay();
831 return [(day > 0 && day < 6), ''];
832 },
834 /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
835 @param date Date - the date to get the week for
836 @return number - the number of the week within the year that contains this date */
837 iso8601Week: function(date) {
838 var checkDate = new Date(date.getFullYear(), date.getMonth(), date.getDate());
839 var firstMon = new Date(checkDate.getFullYear(), 1 - 1, 4); // First week always contains 4 Jan
840 var firstDay = firstMon.getDay() || 7; // Day of week: Mon = 1, ..., Sun = 7
841 firstMon.setDate(firstMon.getDate() + 1 - firstDay); // Preceding Monday
842 if (firstDay < 4 && checkDate < firstMon) { // Adjust first three days in year if necessary
843 checkDate.setDate(checkDate.getDate() - 3); // Generate for previous year
844 return $.datepicker.iso8601Week(checkDate);
845 } else if (checkDate > new Date(checkDate.getFullYear(), 12 - 1, 28)) { // Check last three days in year
846 firstDay = new Date(checkDate.getFullYear() + 1, 1 - 1, 4).getDay() || 7;
847 if (firstDay > 4 && (checkDate.getDay() || 7) < firstDay - 3) { // Adjust if necessary
848 return 1;
849 }
850 }
851 return Math.floor(((checkDate - firstMon) / 86400000) / 7) + 1; // Weeks to given date
852 },
854 /* Parse a string value into a date object.
855 See formatDate below for the possible formats.
857 @param format string - the expected format of the date
858 @param value string - the date in the above format
859 @param settings Object - attributes include:
860 shortYearCutoff number - the cutoff year for determining the century (optional)
861 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
862 dayNames string[7] - names of the days from Sunday (optional)
863 monthNamesShort string[12] - abbreviated names of the months (optional)
864 monthNames string[12] - names of the months (optional)
865 @return Date - the extracted date value or null if value is blank */
866 parseDate: function (format, value, settings) {
867 if (format == null || value == null)
868 throw 'Invalid arguments';
869 value = (typeof value == 'object' ? value.toString() : value + '');
870 if (value == '')
871 return null;
872 var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
873 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
874 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
875 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
876 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
877 var year = -1;
878 var month = -1;
879 var day = -1;
880 var doy = -1;
881 var literal = false;
882 // Check whether a format character is doubled
883 var lookAhead = function(match) {
884 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
885 if (matches)
886 iFormat++;
887 return matches;
888 };
889 // Extract a number from the string value
890 var getNumber = function(match) {
891 lookAhead(match);
892 var origSize = (match == '@' ? 14 : (match == 'y' ? 4 : (match == 'o' ? 3 : 2)));
893 var size = origSize;
894 var num = 0;
895 while (size > 0 && iValue < value.length &&
896 value.charAt(iValue) >= '0' && value.charAt(iValue) <= '9') {
897 num = num * 10 + parseInt(value.charAt(iValue++),10);
898 size--;
899 }
900 if (size == origSize)
901 throw 'Missing number at position ' + iValue;
902 return num;
903 };
904 // Extract a name from the string value and convert to an index
905 var getName = function(match, shortNames, longNames) {
906 var names = (lookAhead(match) ? longNames : shortNames);
907 var size = 0;
908 for (var j = 0; j < names.length; j++)
909 size = Math.max(size, names[j].length);
910 var name = '';
911 var iInit = iValue;
912 while (size > 0 && iValue < value.length) {
913 name += value.charAt(iValue++);
914 for (var i = 0; i < names.length; i++)
915 if (name == names[i])
916 return i + 1;
917 size--;
918 }
919 throw 'Unknown name at position ' + iInit;
920 };
921 // Confirm that a literal character matches the string value
922 var checkLiteral = function() {
923 if (value.charAt(iValue) != format.charAt(iFormat))
924 throw 'Unexpected literal at position ' + iValue;
925 iValue++;
926 };
927 var iValue = 0;
928 for (var iFormat = 0; iFormat < format.length; iFormat++) {
929 if (literal)
930 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
931 literal = false;
932 else
933 checkLiteral();
934 else
935 switch (format.charAt(iFormat)) {
936 case 'd':
937 day = getNumber('d');
938 break;
939 case 'D':
940 getName('D', dayNamesShort, dayNames);
941 break;
942 case 'o':
943 doy = getNumber('o');
944 break;
945 case 'm':
946 month = getNumber('m');
947 break;
948 case 'M':
949 month = getName('M', monthNamesShort, monthNames);
950 break;
951 case 'y':
952 year = getNumber('y');
953 break;
954 case '@':
955 var date = new Date(getNumber('@'));
956 year = date.getFullYear();
957 month = date.getMonth() + 1;
958 day = date.getDate();
959 break;
960 case "'":
961 if (lookAhead("'"))
962 checkLiteral();
963 else
964 literal = true;
965 break;
966 default:
967 checkLiteral();
968 }
969 }
970 if (year == -1)
971 year = new Date().getFullYear();
972 else if (year < 100)
973 year += new Date().getFullYear() - new Date().getFullYear() % 100 +
974 (year <= shortYearCutoff ? 0 : -100);
975 if (doy > -1) {
976 month = 1;
977 day = doy;
978 do {
979 var dim = this._getDaysInMonth(year, month - 1);
980 if (day <= dim)
981 break;
982 month++;
983 day -= dim;
984 } while (true);
985 }
986 var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
987 if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
988 throw 'Invalid date'; // E.g. 31/02/*
989 return date;
990 },
992 /* Standard date formats. */
993 ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
994 COOKIE: 'D, dd M yy',
995 ISO_8601: 'yy-mm-dd',
996 RFC_822: 'D, d M y',
997 RFC_850: 'DD, dd-M-y',
998 RFC_1036: 'D, d M y',
999 RFC_1123: 'D, d M yy',
1000 RFC_2822: 'D, d M yy',
1001 RSS: 'D, d M y', // RFC 822
1002 TIMESTAMP: '@',
1003 W3C: 'yy-mm-dd', // ISO 8601
1005 /* Format a date object into a string value.
1006 The format can be combinations of the following:
1007 d - day of month (no leading zero)
1008 dd - day of month (two digit)
1009 o - day of year (no leading zeros)
1010 oo - day of year (three digit)
1011 D - day name short
1012 DD - day name long
1013 m - month of year (no leading zero)
1014 mm - month of year (two digit)
1015 M - month name short
1016 MM - month name long
1017 y - year (two digit)
1018 yy - year (four digit)
1019 @ - Unix timestamp (ms since 01/01/1970)
1020 '...' - literal text
1021 '' - single quote
1023 @param format string - the desired format of the date
1024 @param date Date - the date value to format
1025 @param settings Object - attributes include:
1026 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1027 dayNames string[7] - names of the days from Sunday (optional)
1028 monthNamesShort string[12] - abbreviated names of the months (optional)
1029 monthNames string[12] - names of the months (optional)
1030 @return string - the date in the above format */
1031 formatDate: function (format, date, settings) {
1032 if (!date)
1033 return '';
1034 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1035 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1036 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1037 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1038 // Check whether a format character is doubled
1039 var lookAhead = function(match) {
1040 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1041 if (matches)
1042 iFormat++;
1043 return matches;
1044 };
1045 // Format a number, with leading zero if necessary
1046 var formatNumber = function(match, value, len) {
1047 var num = '' + value;
1048 if (lookAhead(match))
1049 while (num.length < len)
1050 num = '0' + num;
1051 return num;
1052 };
1053 // Format a name, short or long as requested
1054 var formatName = function(match, value, shortNames, longNames) {
1055 return (lookAhead(match) ? longNames[value] : shortNames[value]);
1056 };
1057 var output = '';
1058 var literal = false;
1059 if (date)
1060 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1061 if (literal)
1062 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1063 literal = false;
1064 else
1065 output += format.charAt(iFormat);
1066 else
1067 switch (format.charAt(iFormat)) {
1068 case 'd':
1069 output += formatNumber('d', date.getDate(), 2);
1070 break;
1071 case 'D':
1072 output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1073 break;
1074 case 'o':
1075 var doy = date.getDate();
1076 for (var m = date.getMonth() - 1; m >= 0; m--)
1077 doy += this._getDaysInMonth(date.getFullYear(), m);
1078 output += formatNumber('o', doy, 3);
1079 break;
1080 case 'm':
1081 output += formatNumber('m', date.getMonth() + 1, 2);
1082 break;
1083 case 'M':
1084 output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1085 break;
1086 case 'y':
1087 output += (lookAhead('y') ? date.getFullYear() :
1088 (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1089 break;
1090 case '@':
1091 output += date.getTime();
1092 break;
1093 case "'":
1094 if (lookAhead("'"))
1095 output += "'";
1096 else
1097 literal = true;
1098 break;
1099 default:
1100 output += format.charAt(iFormat);
1101 }
1102 }
1103 return output;
1104 },
1106 /* Extract all possible characters from the date format. */
1107 _possibleChars: function (format) {
1108 var chars = '';
1109 var literal = false;
1110 for (var iFormat = 0; iFormat < format.length; iFormat++)
1111 if (literal)
1112 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1113 literal = false;
1114 else
1115 chars += format.charAt(iFormat);
1116 else
1117 switch (format.charAt(iFormat)) {
1118 case 'd': case 'm': case 'y': case '@':
1119 chars += '0123456789';
1120 break;
1121 case 'D': case 'M':
1122 return null; // Accept anything
1123 case "'":
1124 if (lookAhead("'"))
1125 chars += "'";
1126 else
1127 literal = true;
1128 break;
1129 default:
1130 chars += format.charAt(iFormat);
1131 }
1132 return chars;
1133 },
1135 /* Get a setting value, defaulting if necessary. */
1136 _get: function(inst, name) {
1137 return inst.settings[name] !== undefined ?
1138 inst.settings[name] : this._defaults[name];
1139 },
1141 /* Parse existing date and initialise date picker. */
1142 _setDateFromField: function(inst) {
1143 var dateFormat = this._get(inst, 'dateFormat');
1144 var dates = inst.input ? inst.input.val() : null;
1145 inst.endDay = inst.endMonth = inst.endYear = null;
1146 var date = defaultDate = this._getDefaultDate(inst);
1147 var settings = this._getFormatConfig(inst);
1148 try {
1149 date = this.parseDate(dateFormat, dates, settings) || defaultDate;
1150 } catch (event) {
1151 this.log(event);
1152 date = defaultDate;
1153 }
1154 inst.selectedDay = date.getDate();
1155 inst.drawMonth = inst.selectedMonth = date.getMonth();
1156 inst.drawYear = inst.selectedYear = date.getFullYear();
1157 inst.currentDay = (dates ? date.getDate() : 0);
1158 inst.currentMonth = (dates ? date.getMonth() : 0);
1159 inst.currentYear = (dates ? date.getFullYear() : 0);
1160 this._adjustInstDate(inst);
1161 },
1163 /* Retrieve the default date shown on opening. */
1164 _getDefaultDate: function(inst) {
1165 var date = this._determineDate(this._get(inst, 'defaultDate'), new Date());
1166 var minDate = this._getMinMaxDate(inst, 'min', true);
1167 var maxDate = this._getMinMaxDate(inst, 'max');
1168 date = (minDate && date < minDate ? minDate : date);
1169 date = (maxDate && date > maxDate ? maxDate : date);
1170 return date;
1171 },
1173 /* A date may be specified as an exact value or a relative one. */
1174 _determineDate: function(date, defaultDate) {
1175 var offsetNumeric = function(offset) {
1176 var date = new Date();
1177 date.setDate(date.getDate() + offset);
1178 return date;
1179 };
1180 var offsetString = function(offset, getDaysInMonth) {
1181 var date = new Date();
1182 var year = date.getFullYear();
1183 var month = date.getMonth();
1184 var day = date.getDate();
1185 var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1186 var matches = pattern.exec(offset);
1187 while (matches) {
1188 switch (matches[2] || 'd') {
1189 case 'd' : case 'D' :
1190 day += parseInt(matches[1],10); break;
1191 case 'w' : case 'W' :
1192 day += parseInt(matches[1],10) * 7; break;
1193 case 'm' : case 'M' :
1194 month += parseInt(matches[1],10);
1195 day = Math.min(day, getDaysInMonth(year, month));
1196 break;
1197 case 'y': case 'Y' :
1198 year += parseInt(matches[1],10);
1199 day = Math.min(day, getDaysInMonth(year, month));
1200 break;
1201 }
1202 matches = pattern.exec(offset);
1203 }
1204 return new Date(year, month, day);
1205 };
1206 date = (date == null ? defaultDate :
1207 (typeof date == 'string' ? offsetString(date, this._getDaysInMonth) :
1208 (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date)));
1209 date = (date && date.toString() == 'Invalid Date' ? defaultDate : date);
1210 if (date) {
1211 date.setHours(0);
1212 date.setMinutes(0);
1213 date.setSeconds(0);
1214 date.setMilliseconds(0);
1215 }
1216 return this._daylightSavingAdjust(date);
1217 },
1219 /* Handle switch to/from daylight saving.
1220 Hours may be non-zero on daylight saving cut-over:
1221 > 12 when midnight changeover, but then cannot generate
1222 midnight datetime, so jump to 1AM, otherwise reset.
1223 @param date (Date) the date to check
1224 @return (Date) the corrected date */
1225 _daylightSavingAdjust: function(date) {
1226 if (!date) return null;
1227 date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1228 return date;
1229 },
1231 /* Set the date(s) directly. */
1232 _setDate: function(inst, date, endDate) {
1233 var clear = !(date);
1234 var origMonth = inst.selectedMonth;
1235 var origYear = inst.selectedYear;
1236 date = this._determineDate(date, new Date());
1237 inst.selectedDay = inst.currentDay = date.getDate();
1238 inst.drawMonth = inst.selectedMonth = inst.currentMonth = date.getMonth();
1239 inst.drawYear = inst.selectedYear = inst.currentYear = date.getFullYear();
1240 if (origMonth != inst.selectedMonth || origYear != inst.selectedYear)
1241 this._notifyChange(inst);
1242 this._adjustInstDate(inst);
1243 if (inst.input) {
1244 inst.input.val(clear ? '' : this._formatDate(inst));
1245 }
1246 },
1248 /* Retrieve the date(s) directly. */
1249 _getDate: function(inst) {
1250 var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1251 this._daylightSavingAdjust(new Date(
1252 inst.currentYear, inst.currentMonth, inst.currentDay)));
1253 return startDate;
1254 },
1256 /* Generate the HTML for the current state of the date picker. */
1257 _generateHTML: function(inst) {
1258 var today = new Date();
1259 today = this._daylightSavingAdjust(
1260 new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1261 var isRTL = this._get(inst, 'isRTL');
1262 var showButtonPanel = this._get(inst, 'showButtonPanel');
1263 var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1264 var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1265 var numMonths = this._getNumberOfMonths(inst);
1266 var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1267 var stepMonths = this._get(inst, 'stepMonths');
1268 var stepBigMonths = this._get(inst, 'stepBigMonths');
1269 var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1270 var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1271 new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1272 var minDate = this._getMinMaxDate(inst, 'min', true);
1273 var maxDate = this._getMinMaxDate(inst, 'max');
1274 var drawMonth = inst.drawMonth - showCurrentAtPos;
1275 var drawYear = inst.drawYear;
1276 if (drawMonth < 0) {
1277 drawMonth += 12;
1278 drawYear--;
1279 }
1280 if (maxDate) {
1281 var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1282 maxDate.getMonth() - numMonths[1] + 1, maxDate.getDate()));
1283 maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1284 while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1285 drawMonth--;
1286 if (drawMonth < 0) {
1287 drawMonth = 11;
1288 drawYear--;
1289 }
1290 }
1291 }
1292 inst.drawMonth = drawMonth;
1293 inst.drawYear = drawYear;
1294 var prevText = this._get(inst, 'prevText');
1295 prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1296 this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1297 this._getFormatConfig(inst)));
1298 var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1299 '<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
1300 ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1301 (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>'));
1302 var nextText = this._get(inst, 'nextText');
1303 nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1304 this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1305 this._getFormatConfig(inst)));
1306 var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1307 '<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
1308 ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1309 (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>'));
1310 var currentText = this._get(inst, 'currentText');
1311 var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1312 currentText = (!navigationAsDateFormat ? currentText :
1313 this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1314 var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery.datepicker._hideDatepicker();">' + this._get(inst, 'closeText') + '</button>' : '');
1315 var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1316 (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery.datepicker._gotoToday(\'#' + inst.id + '\');"' +
1317 '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1318 var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1319 firstDay = (isNaN(firstDay) ? 0 : firstDay);
1320 var dayNames = this._get(inst, 'dayNames');
1321 var dayNamesShort = this._get(inst, 'dayNamesShort');
1322 var dayNamesMin = this._get(inst, 'dayNamesMin');
1323 var monthNames = this._get(inst, 'monthNames');
1324 var monthNamesShort = this._get(inst, 'monthNamesShort');
1325 var beforeShowDay = this._get(inst, 'beforeShowDay');
1326 var showOtherMonths = this._get(inst, 'showOtherMonths');
1327 var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1328 var endDate = inst.endDay ? this._daylightSavingAdjust(
1329 new Date(inst.endYear, inst.endMonth, inst.endDay)) : currentDate;
1330 var defaultDate = this._getDefaultDate(inst);
1331 var html = '';
1332 for (var row = 0; row < numMonths[0]; row++) {
1333 var group = '';
1334 for (var col = 0; col < numMonths[1]; col++) {
1335 var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1336 var cornerClass = ' ui-corner-all';
1337 var calender = '';
1338 if (isMultiMonth) {
1339 calender += '<div class="ui-datepicker-group ui-datepicker-group-';
1340 switch (col) {
1341 case 0: calender += 'first'; cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1342 case numMonths[1]-1: calender += 'last'; cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1343 default: calender += 'middle'; cornerClass = ''; break;
1344 }
1345 calender += '">';
1346 }
1347 calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1348 (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1349 (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1350 this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1351 selectedDate, row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
1352 '</div><table class="ui-datepicker-calendar"><thead>' +
1353 '<tr>';
1354 var thead = '';
1355 for (var dow = 0; dow < 7; dow++) { // days of the week
1356 var day = (dow + firstDay) % 7;
1357 thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1358 '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1359 }
1360 calender += thead + '</tr></thead><tbody>';
1361 var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1362 if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1363 inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1364 var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1365 var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
1366 var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1367 for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1368 calender += '<tr>';
1369 var tbody = '';
1370 for (var dow = 0; dow < 7; dow++) { // create date picker days
1371 var daySettings = (beforeShowDay ?
1372 beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1373 var otherMonth = (printDate.getMonth() != drawMonth);
1374 var unselectable = otherMonth || !daySettings[0] ||
1375 (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1376 tbody += '<td class="' +
1377 ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1378 (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1379 ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1380 (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1381 // or defaultDate is current printedDate and defaultDate is selectedDate
1382 ' ' + this._dayOverClass : '') + // highlight selected day
1383 (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1384 (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1385 (printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
1386 ' ' + this._currentClass : '') + // highlight selected day
1387 (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1388 ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1389 (unselectable ? '' : ' onclick="DP_jQuery.datepicker._selectDay(\'#' +
1390 inst.id + '\',' + drawMonth + ',' + drawYear + ', this);return false;"') + '>' + // actions
1391 (otherMonth ? (showOtherMonths ? printDate.getDate() : ' ') : // display for other months
1392 (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1393 (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1394 (printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
1395 ' ui-state-active' : '') + // highlight selected day
1396 '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display for this month
1397 printDate.setDate(printDate.getDate() + 1);
1398 printDate = this._daylightSavingAdjust(printDate);
1399 }
1400 calender += tbody + '</tr>';
1401 }
1402 drawMonth++;
1403 if (drawMonth > 11) {
1404 drawMonth = 0;
1405 drawYear++;
1406 }
1407 calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1408 ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1409 group += calender;
1410 }
1411 html += group;
1412 }
1413 html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1414 '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1415 inst._keyEvent = false;
1416 return html;
1417 },
1419 /* Generate the month and year header. */
1420 _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1421 selectedDate, secondary, monthNames, monthNamesShort) {
1422 minDate = (inst.rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate);
1423 var changeMonth = this._get(inst, 'changeMonth');
1424 var changeYear = this._get(inst, 'changeYear');
1425 var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1426 var html = '<div class="ui-datepicker-title">';
1427 var monthHtml = '';
1428 // month selection
1429 if (secondary || !changeMonth)
1430 monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span> ';
1431 else {
1432 var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1433 var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1434 monthHtml += '<select class="ui-datepicker-month" ' +
1435 'onchange="DP_jQuery.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
1436 'onclick="DP_jQuery.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1437 '>';
1438 for (var month = 0; month < 12; month++) {
1439 if ((!inMinYear || month >= minDate.getMonth()) &&
1440 (!inMaxYear || month <= maxDate.getMonth()))
1441 monthHtml += '<option value="' + month + '"' +
1442 (month == drawMonth ? ' selected="selected"' : '') +
1443 '>' + monthNamesShort[month] + '</option>';
1444 }
1445 monthHtml += '</select>';
1446 }
1447 if (!showMonthAfterYear)
1448 html += monthHtml + ((secondary || changeMonth || changeYear) && (!(changeMonth && changeYear)) ? ' ' : '');
1449 // year selection
1450 if (secondary || !changeYear)
1451 html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1452 else {
1453 // determine range of years to display
1454 var years = this._get(inst, 'yearRange').split(':');
1455 var year = 0;
1456 var endYear = 0;
1457 if (years.length != 2) {
1458 year = drawYear - 10;
1459 endYear = drawYear + 10;
1460 } else if (years[0].charAt(0) == '+' || years[0].charAt(0) == '-') {
1461 year = drawYear + parseInt(years[0], 10);
1462 endYear = drawYear + parseInt(years[1], 10);
1463 } else {
1464 year = parseInt(years[0], 10);
1465 endYear = parseInt(years[1], 10);
1466 }
1467 year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1468 endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1469 html += '<select class="ui-datepicker-year" ' +
1470 'onchange="DP_jQuery.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
1471 'onclick="DP_jQuery.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1472 '>';
1473 for (; year <= endYear; year++) {
1474 html += '<option value="' + year + '"' +
1475 (year == drawYear ? ' selected="selected"' : '') +
1476 '>' + year + '</option>';
1477 }
1478 html += '</select>';
1479 }
1480 if (showMonthAfterYear)
1481 html += (secondary || changeMonth || changeYear ? ' ' : '') + monthHtml;
1482 html += '</div>'; // Close datepicker_header
1483 return html;
1484 },
1486 /* Adjust one of the date sub-fields. */
1487 _adjustInstDate: function(inst, offset, period) {
1488 var year = inst.drawYear + (period == 'Y' ? offset : 0);
1489 var month = inst.drawMonth + (period == 'M' ? offset : 0);
1490 var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1491 (period == 'D' ? offset : 0);
1492 var date = this._daylightSavingAdjust(new Date(year, month, day));
1493 // ensure it is within the bounds set
1494 var minDate = this._getMinMaxDate(inst, 'min', true);
1495 var maxDate = this._getMinMaxDate(inst, 'max');
1496 date = (minDate && date < minDate ? minDate : date);
1497 date = (maxDate && date > maxDate ? maxDate : date);
1498 inst.selectedDay = date.getDate();
1499 inst.drawMonth = inst.selectedMonth = date.getMonth();
1500 inst.drawYear = inst.selectedYear = date.getFullYear();
1501 if (period == 'M' || period == 'Y')
1502 this._notifyChange(inst);
1503 },
1505 /* Notify change of month/year. */
1506 _notifyChange: function(inst) {
1507 var onChange = this._get(inst, 'onChangeMonthYear');
1508 if (onChange)
1509 onChange.apply((inst.input ? inst.input[0] : null),
1510 [inst.selectedYear, inst.selectedMonth + 1, inst]);
1511 },
1513 /* Determine the number of months to show. */
1514 _getNumberOfMonths: function(inst) {
1515 var numMonths = this._get(inst, 'numberOfMonths');
1516 return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1517 },
1519 /* Determine the current maximum date - ensure no time components are set - may be overridden for a range. */
1520 _getMinMaxDate: function(inst, minMax, checkRange) {
1521 var date = this._determineDate(this._get(inst, minMax + 'Date'), null);
1522 return (!checkRange || !inst.rangeStart ? date :
1523 (!date || inst.rangeStart > date ? inst.rangeStart : date));
1524 },
1526 /* Find the number of days in a given month. */
1527 _getDaysInMonth: function(year, month) {
1528 return 32 - new Date(year, month, 32).getDate();
1529 },
1531 /* Find the day of the week of the first of a month. */
1532 _getFirstDayOfMonth: function(year, month) {
1533 return new Date(year, month, 1).getDay();
1534 },
1536 /* Determines if we should allow a "next/prev" month display change. */
1537 _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1538 var numMonths = this._getNumberOfMonths(inst);
1539 var date = this._daylightSavingAdjust(new Date(
1540 curYear, curMonth + (offset < 0 ? offset : numMonths[1]), 1));
1541 if (offset < 0)
1542 date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1543 return this._isInRange(inst, date);
1544 },
1546 /* Is the given date in the accepted range? */
1547 _isInRange: function(inst, date) {
1548 // during range selection, use minimum of selected date and range start
1549 var newMinDate = (!inst.rangeStart ? null : this._daylightSavingAdjust(
1550 new Date(inst.selectedYear, inst.selectedMonth, inst.selectedDay)));
1551 newMinDate = (newMinDate && inst.rangeStart < newMinDate ? inst.rangeStart : newMinDate);
1552 var minDate = newMinDate || this._getMinMaxDate(inst, 'min');
1553 var maxDate = this._getMinMaxDate(inst, 'max');
1554 return ((!minDate || date >= minDate) && (!maxDate || date <= maxDate));
1555 },
1557 /* Provide the configuration settings for formatting/parsing. */
1558 _getFormatConfig: function(inst) {
1559 var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1560 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1561 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1562 return {shortYearCutoff: shortYearCutoff,
1563 dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1564 monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1565 },
1567 /* Format the given date for display. */
1568 _formatDate: function(inst, day, month, year) {
1569 if (!day) {
1570 inst.currentDay = inst.selectedDay;
1571 inst.currentMonth = inst.selectedMonth;
1572 inst.currentYear = inst.selectedYear;
1573 }
1574 var date = (day ? (typeof day == 'object' ? day :
1575 this._daylightSavingAdjust(new Date(year, month, day))) :
1576 this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1577 return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1578 }
1579 });
1581 /* jQuery extend now ignores nulls! */
1582 function extendRemove(target, props) {
1583 $.extend(target, props);
1584 for (var name in props)
1585 if (props[name] == null || props[name] == undefined)
1586 target[name] = props[name];
1587 return target;
1588 };
1590 /* Determine whether an object is an array. */
1591 function isArray(a) {
1592 return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
1593 (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1594 };
1596 /* Invoke the datepicker functionality.
1597 @param options string - a command, optionally followed by additional parameters or
1598 Object - settings for attaching new datepicker functionality
1599 @return jQuery object */
1600 $.fn.datepicker = function(options){
1602 /* Initialise the date picker. */
1603 if (!$.datepicker.initialized) {
1604 $(document).mousedown($.datepicker._checkExternalClick).
1605 find('body').append($.datepicker.dpDiv);
1606 $.datepicker.initialized = true;
1607 }
1609 var otherArgs = Array.prototype.slice.call(arguments, 1);
1610 if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate'))
1611 return $.datepicker['_' + options + 'Datepicker'].
1612 apply($.datepicker, [this[0]].concat(otherArgs));
1613 return this.each(function() {
1614 typeof options == 'string' ?
1615 $.datepicker['_' + options + 'Datepicker'].
1616 apply($.datepicker, [this].concat(otherArgs)) :
1617 $.datepicker._attachDatepicker(this, options);
1618 });
1619 };
1621 $.datepicker = new Datepicker(); // singleton instance
1622 $.datepicker.initialized = false;
1623 $.datepicker.uuid = new Date().getTime();
1624 $.datepicker.version = "1.7.1";
1626 // Workaround for #4055
1627 // Add another global to avoid noConflict issues with inline event handlers
1628 window.DP_jQuery = $;
1630 })(jQuery);