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Merge "De-duplicate pages in replaceInternal"
[mediawiki.git] / resources / lib / jquery.ui / jquery.ui.datepicker.js
blobcd5d49018d4d11eb564942ba4c18def307239ea5
1 /*!
2 * jQuery UI Datepicker 1.9.2
3 * http://jqueryui.com
4 *
5 * Copyright 2012 jQuery Foundation and other contributors
6 * Released under the MIT license.
7 * http://jquery.org/license
8 *
9 * http://api.jqueryui.com/datepicker/
10 *
11 * Depends:
12 * jquery.ui.core.js
13 */
14 (function( $, undefined ) {
15
16 $.extend($.ui, { datepicker: { version: "1.9.2" } });
17
18 var PROP_NAME = 'datepicker';
19 var dpuuid = new Date().getTime();
20 var instActive;
21
22 /* Date picker manager.
23 Use the singleton instance of this class, $.datepicker, to interact with the date picker.
24 Settings for (groups of) date pickers are maintained in an instance object,
25 allowing multiple different settings on the same page. */
26
27 function Datepicker() {
28 this.debug = false; // Change this to true to start debugging
29 this._curInst = null; // The current instance in use
30 this._keyEvent = false; // If the last event was a key event
31 this._disabledInputs = []; // List of date picker inputs that have been disabled
32 this._datepickerShowing = false; // True if the popup picker is showing , false if not
33 this._inDialog = false; // True if showing within a "dialog", false if not
34 this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
35 this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
36 this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
37 this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
38 this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
39 this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
40 this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
41 this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
42 this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
43 this.regional = []; // Available regional settings, indexed by language code
44 this.regional[''] = { // Default regional settings
45 closeText: 'Done', // Display text for close link
46 prevText: 'Prev', // Display text for previous month link
47 nextText: 'Next', // Display text for next month link
48 currentText: 'Today', // Display text for current month link
49 monthNames: ['January','February','March','April','May','June',
50 'July','August','September','October','November','December'], // Names of months for drop-down and formatting
51 monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
52 dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
53 dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
54 dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
55 weekHeader: 'Wk', // Column header for week of the year
56 dateFormat: 'mm/dd/yy', // See format options on parseDate
57 firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
58 isRTL: false, // True if right-to-left language, false if left-to-right
59 showMonthAfterYear: false, // True if the year select precedes month, false for month then year
60 yearSuffix: '' // Additional text to append to the year in the month headers
61 };
62 this._defaults = { // Global defaults for all the date picker instances
63 showOn: 'focus', // 'focus' for popup on focus,
64 // 'button' for trigger button, or 'both' for either
65 showAnim: 'fadeIn', // Name of jQuery animation for popup
66 showOptions: {}, // Options for enhanced animations
67 defaultDate: null, // Used when field is blank: actual date,
68 // +/-number for offset from today, null for today
69 appendText: '', // Display text following the input box, e.g. showing the format
70 buttonText: '...', // Text for trigger button
71 buttonImage: '', // URL for trigger button image
72 buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
73 hideIfNoPrevNext: false, // True to hide next/previous month links
74 // if not applicable, false to just disable them
75 navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
76 gotoCurrent: false, // True if today link goes back to current selection instead
77 changeMonth: false, // True if month can be selected directly, false if only prev/next
78 changeYear: false, // True if year can be selected directly, false if only prev/next
79 yearRange: 'c-10:c+10', // Range of years to display in drop-down,
80 // either relative to today's year (-nn:+nn), relative to currently displayed year
81 // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
82 showOtherMonths: false, // True to show dates in other months, false to leave blank
83 selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
84 showWeek: false, // True to show week of the year, false to not show it
85 calculateWeek: this.iso8601Week, // How to calculate the week of the year,
86 // takes a Date and returns the number of the week for it
87 shortYearCutoff: '+10', // Short year values < this are in the current century,
88 // > this are in the previous century,
89 // string value starting with '+' for current year + value
90 minDate: null, // The earliest selectable date, or null for no limit
91 maxDate: null, // The latest selectable date, or null for no limit
92 duration: 'fast', // Duration of display/closure
93 beforeShowDay: null, // Function that takes a date and returns an array with
94 // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
95 // [2] = cell title (optional), e.g. $.datepicker.noWeekends
96 beforeShow: null, // Function that takes an input field and
97 // returns a set of custom settings for the date picker
98 onSelect: null, // Define a callback function when a date is selected
99 onChangeMonthYear: null, // Define a callback function when the month or year is changed
100 onClose: null, // Define a callback function when the datepicker is closed
101 numberOfMonths: 1, // Number of months to show at a time
102 showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
103 stepMonths: 1, // Number of months to step back/forward
104 stepBigMonths: 12, // Number of months to step back/forward for the big links
105 altField: '', // Selector for an alternate field to store selected dates into
106 altFormat: '', // The date format to use for the alternate field
107 constrainInput: true, // The input is constrained by the current date format
108 showButtonPanel: false, // True to show button panel, false to not show it
109 autoSize: false, // True to size the input for the date format, false to leave as is
110 disabled: false // The initial disabled state
111 };
112 $.extend(this._defaults, this.regional['']);
113 this.dpDiv = bindHover($('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'));
114 }
115
116 $.extend(Datepicker.prototype, {
117 /* Class name added to elements to indicate already configured with a date picker. */
118 markerClassName: 'hasDatepicker',
119
120 //Keep track of the maximum number of rows displayed (see #7043)
121 maxRows: 4,
122
123 /* Debug logging (if enabled). */
124 log: function () {
125 if (this.debug)
126 console.log.apply('', arguments);
127 },
128
129 // TODO rename to "widget" when switching to widget factory
130 _widgetDatepicker: function() {
131 return this.dpDiv;
132 },
133
134 /* Override the default settings for all instances of the date picker.
135 @param settings object - the new settings to use as defaults (anonymous object)
136 @return the manager object */
137 setDefaults: function(settings) {
138 extendRemove(this._defaults, settings || {});
139 return this;
140 },
141
142 /* Attach the date picker to a jQuery selection.
143 @param target element - the target input field or division or span
144 @param settings object - the new settings to use for this date picker instance (anonymous) */
145 _attachDatepicker: function(target, settings) {
146 // check for settings on the control itself - in namespace 'date:'
147 var inlineSettings = null;
148 for (var attrName in this._defaults) {
149 var attrValue = target.getAttribute('date:' + attrName);
150 if (attrValue) {
151 inlineSettings = inlineSettings || {};
152 try {
153 inlineSettings[attrName] = eval(attrValue);
154 } catch (err) {
155 inlineSettings[attrName] = attrValue;
156 }
157 }
158 }
159 var nodeName = target.nodeName.toLowerCase();
160 var inline = (nodeName == 'div' || nodeName == 'span');
161 if (!target.id) {
162 this.uuid += 1;
163 target.id = 'dp' + this.uuid;
164 }
165 var inst = this._newInst($(target), inline);
166 inst.settings = $.extend({}, settings || {}, inlineSettings || {});
167 if (nodeName == 'input') {
168 this._connectDatepicker(target, inst);
169 } else if (inline) {
170 this._inlineDatepicker(target, inst);
171 }
172 },
173
174 /* Create a new instance object. */
175 _newInst: function(target, inline) {
176 var id = target[0].id.replace(/([^A-Za-z0-9_-])/g, '\\\\$1'); // escape jQuery meta chars
177 return {id: id, input: target, // associated target
178 selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
179 drawMonth: 0, drawYear: 0, // month being drawn
180 inline: inline, // is datepicker inline or not
181 dpDiv: (!inline ? this.dpDiv : // presentation div
182 bindHover($('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>')))};
183 },
184
185 /* Attach the date picker to an input field. */
186 _connectDatepicker: function(target, inst) {
187 var input = $(target);
188 inst.append = $([]);
189 inst.trigger = $([]);
190 if (input.hasClass(this.markerClassName))
191 return;
192 this._attachments(input, inst);
193 input.addClass(this.markerClassName).keydown(this._doKeyDown).
194 keypress(this._doKeyPress).keyup(this._doKeyUp).
195 bind("setData.datepicker", function(event, key, value) {
196 inst.settings[key] = value;
197 }).bind("getData.datepicker", function(event, key) {
198 return this._get(inst, key);
199 });
200 this._autoSize(inst);
201 $.data(target, PROP_NAME, inst);
202 //If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
203 if( inst.settings.disabled ) {
204 this._disableDatepicker( target );
205 }
206 },
207
208 /* Make attachments based on settings. */
209 _attachments: function(input, inst) {
210 var appendText = this._get(inst, 'appendText');
211 var isRTL = this._get(inst, 'isRTL');
212 if (inst.append)
213 inst.append.remove();
214 if (appendText) {
215 inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
216 input[isRTL ? 'before' : 'after'](inst.append);
217 }
218 input.unbind('focus', this._showDatepicker);
219 if (inst.trigger)
220 inst.trigger.remove();
221 var showOn = this._get(inst, 'showOn');
222 if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
223 input.focus(this._showDatepicker);
224 if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
225 var buttonText = this._get(inst, 'buttonText');
226 var buttonImage = this._get(inst, 'buttonImage');
227 inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
228 $('<img/>').addClass(this._triggerClass).
229 attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
230 $('<button type="button"></button>').addClass(this._triggerClass).
231 html(buttonImage == '' ? buttonText : $('<img/>').attr(
232 { src:buttonImage, alt:buttonText, title:buttonText })));
233 input[isRTL ? 'before' : 'after'](inst.trigger);
234 inst.trigger.click(function() {
235 if ($.datepicker._datepickerShowing && $.datepicker._lastInput == input[0])
236 $.datepicker._hideDatepicker();
237 else if ($.datepicker._datepickerShowing && $.datepicker._lastInput != input[0]) {
238 $.datepicker._hideDatepicker();
239 $.datepicker._showDatepicker(input[0]);
240 } else
241 $.datepicker._showDatepicker(input[0]);
242 return false;
243 });
244 }
245 },
246
247 /* Apply the maximum length for the date format. */
248 _autoSize: function(inst) {
249 if (this._get(inst, 'autoSize') && !inst.inline) {
250 var date = new Date(2009, 12 - 1, 20); // Ensure double digits
251 var dateFormat = this._get(inst, 'dateFormat');
252 if (dateFormat.match(/[DM]/)) {
253 var findMax = function(names) {
254 var max = 0;
255 var maxI = 0;
256 for (var i = 0; i < names.length; i++) {
257 if (names[i].length > max) {
258 max = names[i].length;
259 maxI = i;
260 }
261 }
262 return maxI;
263 };
264 date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
265 'monthNames' : 'monthNamesShort'))));
266 date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
267 'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
268 }
269 inst.input.attr('size', this._formatDate(inst, date).length);
270 }
271 },
272
273 /* Attach an inline date picker to a div. */
274 _inlineDatepicker: function(target, inst) {
275 var divSpan = $(target);
276 if (divSpan.hasClass(this.markerClassName))
277 return;
278 divSpan.addClass(this.markerClassName).append(inst.dpDiv).
279 bind("setData.datepicker", function(event, key, value){
280 inst.settings[key] = value;
281 }).bind("getData.datepicker", function(event, key){
282 return this._get(inst, key);
283 });
284 $.data(target, PROP_NAME, inst);
285 this._setDate(inst, this._getDefaultDate(inst), true);
286 this._updateDatepicker(inst);
287 this._updateAlternate(inst);
288 //If disabled option is true, disable the datepicker before showing it (see ticket #5665)
289 if( inst.settings.disabled ) {
290 this._disableDatepicker( target );
291 }
292 // Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
293 // http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
294 inst.dpDiv.css( "display", "block" );
295 },
296
297 /* Pop-up the date picker in a "dialog" box.
298 @param input element - ignored
299 @param date string or Date - the initial date to display
300 @param onSelect function - the function to call when a date is selected
301 @param settings object - update the dialog date picker instance's settings (anonymous object)
302 @param pos int[2] - coordinates for the dialog's position within the screen or
303 event - with x/y coordinates or
304 leave empty for default (screen centre)
305 @return the manager object */
306 _dialogDatepicker: function(input, date, onSelect, settings, pos) {
307 var inst = this._dialogInst; // internal instance
308 if (!inst) {
309 this.uuid += 1;
310 var id = 'dp' + this.uuid;
311 this._dialogInput = $('<input type="text" id="' + id +
312 '" style="position: absolute; top: -100px; width: 0px;"/>');
313 this._dialogInput.keydown(this._doKeyDown);
314 $('body').append(this._dialogInput);
315 inst = this._dialogInst = this._newInst(this._dialogInput, false);
316 inst.settings = {};
317 $.data(this._dialogInput[0], PROP_NAME, inst);
318 }
319 extendRemove(inst.settings, settings || {});
320 date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
321 this._dialogInput.val(date);
322
323 this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
324 if (!this._pos) {
325 var browserWidth = document.documentElement.clientWidth;
326 var browserHeight = document.documentElement.clientHeight;
327 var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
328 var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
329 this._pos = // should use actual width/height below
330 [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
331 }
332
333 // move input on screen for focus, but hidden behind dialog
334 this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
335 inst.settings.onSelect = onSelect;
336 this._inDialog = true;
337 this.dpDiv.addClass(this._dialogClass);
338 this._showDatepicker(this._dialogInput[0]);
339 if ($.blockUI)
340 $.blockUI(this.dpDiv);
341 $.data(this._dialogInput[0], PROP_NAME, inst);
342 return this;
343 },
344
345 /* Detach a datepicker from its control.
346 @param target element - the target input field or division or span */
347 _destroyDatepicker: function(target) {
348 var $target = $(target);
349 var inst = $.data(target, PROP_NAME);
350 if (!$target.hasClass(this.markerClassName)) {
351 return;
352 }
353 var nodeName = target.nodeName.toLowerCase();
354 $.removeData(target, PROP_NAME);
355 if (nodeName == 'input') {
356 inst.append.remove();
357 inst.trigger.remove();
358 $target.removeClass(this.markerClassName).
359 unbind('focus', this._showDatepicker).
360 unbind('keydown', this._doKeyDown).
361 unbind('keypress', this._doKeyPress).
362 unbind('keyup', this._doKeyUp);
363 } else if (nodeName == 'div' || nodeName == 'span')
364 $target.removeClass(this.markerClassName).empty();
365 },
366
367 /* Enable the date picker to a jQuery selection.
368 @param target element - the target input field or division or span */
369 _enableDatepicker: function(target) {
370 var $target = $(target);
371 var inst = $.data(target, PROP_NAME);
372 if (!$target.hasClass(this.markerClassName)) {
373 return;
374 }
375 var nodeName = target.nodeName.toLowerCase();
376 if (nodeName == 'input') {
377 target.disabled = false;
378 inst.trigger.filter('button').
379 each(function() { this.disabled = false; }).end().
380 filter('img').css({opacity: '1.0', cursor: ''});
381 }
382 else if (nodeName == 'div' || nodeName == 'span') {
383 var inline = $target.children('.' + this._inlineClass);
384 inline.children().removeClass('ui-state-disabled');
385 inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
386 prop("disabled", false);
387 }
388 this._disabledInputs = $.map(this._disabledInputs,
389 function(value) { return (value == target ? null : value); }); // delete entry
390 },
391
392 /* Disable the date picker to a jQuery selection.
393 @param target element - the target input field or division or span */
394 _disableDatepicker: function(target) {
395 var $target = $(target);
396 var inst = $.data(target, PROP_NAME);
397 if (!$target.hasClass(this.markerClassName)) {
398 return;
399 }
400 var nodeName = target.nodeName.toLowerCase();
401 if (nodeName == 'input') {
402 target.disabled = true;
403 inst.trigger.filter('button').
404 each(function() { this.disabled = true; }).end().
405 filter('img').css({opacity: '0.5', cursor: 'default'});
406 }
407 else if (nodeName == 'div' || nodeName == 'span') {
408 var inline = $target.children('.' + this._inlineClass);
409 inline.children().addClass('ui-state-disabled');
410 inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
411 prop("disabled", true);
412 }
413 this._disabledInputs = $.map(this._disabledInputs,
414 function(value) { return (value == target ? null : value); }); // delete entry
415 this._disabledInputs[this._disabledInputs.length] = target;
416 },
417
418 /* Is the first field in a jQuery collection disabled as a datepicker?
419 @param target element - the target input field or division or span
420 @return boolean - true if disabled, false if enabled */
421 _isDisabledDatepicker: function(target) {
422 if (!target) {
423 return false;
424 }
425 for (var i = 0; i < this._disabledInputs.length; i++) {
426 if (this._disabledInputs[i] == target)
427 return true;
428 }
429 return false;
430 },
431
432 /* Retrieve the instance data for the target control.
433 @param target element - the target input field or division or span
434 @return object - the associated instance data
435 @throws error if a jQuery problem getting data */
436 _getInst: function(target) {
437 try {
438 return $.data(target, PROP_NAME);
439 }
440 catch (err) {
441 throw 'Missing instance data for this datepicker';
442 }
443 },
444
445 /* Update or retrieve the settings for a date picker attached to an input field or division.
446 @param target element - the target input field or division or span
447 @param name object - the new settings to update or
448 string - the name of the setting to change or retrieve,
449 when retrieving also 'all' for all instance settings or
450 'defaults' for all global defaults
451 @param value any - the new value for the setting
452 (omit if above is an object or to retrieve a value) */
453 _optionDatepicker: function(target, name, value) {
454 var inst = this._getInst(target);
455 if (arguments.length == 2 && typeof name == 'string') {
456 return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
457 (inst ? (name == 'all' ? $.extend({}, inst.settings) :
458 this._get(inst, name)) : null));
459 }
460 var settings = name || {};
461 if (typeof name == 'string') {
462 settings = {};
463 settings[name] = value;
464 }
465 if (inst) {
466 if (this._curInst == inst) {
467 this._hideDatepicker();
468 }
469 var date = this._getDateDatepicker(target, true);
470 var minDate = this._getMinMaxDate(inst, 'min');
471 var maxDate = this._getMinMaxDate(inst, 'max');
472 extendRemove(inst.settings, settings);
473 // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
474 if (minDate !== null && settings['dateFormat'] !== undefined && settings['minDate'] === undefined)
475 inst.settings.minDate = this._formatDate(inst, minDate);
476 if (maxDate !== null && settings['dateFormat'] !== undefined && settings['maxDate'] === undefined)
477 inst.settings.maxDate = this._formatDate(inst, maxDate);
478 this._attachments($(target), inst);
479 this._autoSize(inst);
480 this._setDate(inst, date);
481 this._updateAlternate(inst);
482 this._updateDatepicker(inst);
483 }
484 },
485
486 // change method deprecated
487 _changeDatepicker: function(target, name, value) {
488 this._optionDatepicker(target, name, value);
489 },
490
491 /* Redraw the date picker attached to an input field or division.
492 @param target element - the target input field or division or span */
493 _refreshDatepicker: function(target) {
494 var inst = this._getInst(target);
495 if (inst) {
496 this._updateDatepicker(inst);
497 }
498 },
499
500 /* Set the dates for a jQuery selection.
501 @param target element - the target input field or division or span
502 @param date Date - the new date */
503 _setDateDatepicker: function(target, date) {
504 var inst = this._getInst(target);
505 if (inst) {
506 this._setDate(inst, date);
507 this._updateDatepicker(inst);
508 this._updateAlternate(inst);
509 }
510 },
511
512 /* Get the date(s) for the first entry in a jQuery selection.
513 @param target element - the target input field or division or span
514 @param noDefault boolean - true if no default date is to be used
515 @return Date - the current date */
516 _getDateDatepicker: function(target, noDefault) {
517 var inst = this._getInst(target);
518 if (inst && !inst.inline)
519 this._setDateFromField(inst, noDefault);
520 return (inst ? this._getDate(inst) : null);
521 },
522
523 /* Handle keystrokes. */
524 _doKeyDown: function(event) {
525 var inst = $.datepicker._getInst(event.target);
526 var handled = true;
527 var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
528 inst._keyEvent = true;
529 if ($.datepicker._datepickerShowing)
530 switch (event.keyCode) {
531 case 9: $.datepicker._hideDatepicker();
532 handled = false;
533 break; // hide on tab out
534 case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
535 $.datepicker._currentClass + ')', inst.dpDiv);
536 if (sel[0])
537 $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
538 var onSelect = $.datepicker._get(inst, 'onSelect');
539 if (onSelect) {
540 var dateStr = $.datepicker._formatDate(inst);
541
542 // trigger custom callback
543 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
544 }
545 else
546 $.datepicker._hideDatepicker();
547 return false; // don't submit the form
548 break; // select the value on enter
549 case 27: $.datepicker._hideDatepicker();
550 break; // hide on escape
551 case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
552 -$.datepicker._get(inst, 'stepBigMonths') :
553 -$.datepicker._get(inst, 'stepMonths')), 'M');
554 break; // previous month/year on page up/+ ctrl
555 case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
556 +$.datepicker._get(inst, 'stepBigMonths') :
557 +$.datepicker._get(inst, 'stepMonths')), 'M');
558 break; // next month/year on page down/+ ctrl
559 case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
560 handled = event.ctrlKey || event.metaKey;
561 break; // clear on ctrl or command +end
562 case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
563 handled = event.ctrlKey || event.metaKey;
564 break; // current on ctrl or command +home
565 case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
566 handled = event.ctrlKey || event.metaKey;
567 // -1 day on ctrl or command +left
568 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
569 -$.datepicker._get(inst, 'stepBigMonths') :
570 -$.datepicker._get(inst, 'stepMonths')), 'M');
571 // next month/year on alt +left on Mac
572 break;
573 case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
574 handled = event.ctrlKey || event.metaKey;
575 break; // -1 week on ctrl or command +up
576 case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
577 handled = event.ctrlKey || event.metaKey;
578 // +1 day on ctrl or command +right
579 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
580 +$.datepicker._get(inst, 'stepBigMonths') :
581 +$.datepicker._get(inst, 'stepMonths')), 'M');
582 // next month/year on alt +right
583 break;
584 case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
585 handled = event.ctrlKey || event.metaKey;
586 break; // +1 week on ctrl or command +down
587 default: handled = false;
588 }
589 else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
590 $.datepicker._showDatepicker(this);
591 else {
592 handled = false;
593 }
594 if (handled) {
595 event.preventDefault();
596 event.stopPropagation();
597 }
598 },
599
600 /* Filter entered characters - based on date format. */
601 _doKeyPress: function(event) {
602 var inst = $.datepicker._getInst(event.target);
603 if ($.datepicker._get(inst, 'constrainInput')) {
604 var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
605 var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
606 return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
607 }
608 },
609
610 /* Synchronise manual entry and field/alternate field. */
611 _doKeyUp: function(event) {
612 var inst = $.datepicker._getInst(event.target);
613 if (inst.input.val() != inst.lastVal) {
614 try {
615 var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
616 (inst.input ? inst.input.val() : null),
617 $.datepicker._getFormatConfig(inst));
618 if (date) { // only if valid
619 $.datepicker._setDateFromField(inst);
620 $.datepicker._updateAlternate(inst);
621 $.datepicker._updateDatepicker(inst);
622 }
623 }
624 catch (err) {
625 $.datepicker.log(err);
626 }
627 }
628 return true;
629 },
630
631 /* Pop-up the date picker for a given input field.
632 If false returned from beforeShow event handler do not show.
633 @param input element - the input field attached to the date picker or
634 event - if triggered by focus */
635 _showDatepicker: function(input) {
636 input = input.target || input;
637 if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
638 input = $('input', input.parentNode)[0];
639 if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
640 return;
641 var inst = $.datepicker._getInst(input);
642 if ($.datepicker._curInst && $.datepicker._curInst != inst) {
643 $.datepicker._curInst.dpDiv.stop(true, true);
644 if ( inst && $.datepicker._datepickerShowing ) {
645 $.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );
646 }
647 }
648 var beforeShow = $.datepicker._get(inst, 'beforeShow');
649 var beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
650 if(beforeShowSettings === false){
651 //false
652 return;
653 }
654 extendRemove(inst.settings, beforeShowSettings);
655 inst.lastVal = null;
656 $.datepicker._lastInput = input;
657 $.datepicker._setDateFromField(inst);
658 if ($.datepicker._inDialog) // hide cursor
659 input.value = '';
660 if (!$.datepicker._pos) { // position below input
661 $.datepicker._pos = $.datepicker._findPos(input);
662 $.datepicker._pos[1] += input.offsetHeight; // add the height
663 }
664 var isFixed = false;
665 $(input).parents().each(function() {
666 isFixed |= $(this).css('position') == 'fixed';
667 return !isFixed;
668 });
669 var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
670 $.datepicker._pos = null;
671 //to avoid flashes on Firefox
672 inst.dpDiv.empty();
673 // determine sizing offscreen
674 inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
675 $.datepicker._updateDatepicker(inst);
676 // fix width for dynamic number of date pickers
677 // and adjust position before showing
678 offset = $.datepicker._checkOffset(inst, offset, isFixed);
679 inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
680 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
681 left: offset.left + 'px', top: offset.top + 'px'});
682 if (!inst.inline) {
683 var showAnim = $.datepicker._get(inst, 'showAnim');
684 var duration = $.datepicker._get(inst, 'duration');
685 var postProcess = function() {
686 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
687 if( !! cover.length ){
688 var borders = $.datepicker._getBorders(inst.dpDiv);
689 cover.css({left: -borders[0], top: -borders[1],
690 width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
691 }
692 };
693 inst.dpDiv.zIndex($(input).zIndex()+1);
694 $.datepicker._datepickerShowing = true;
695
696 // DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
697 if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) )
698 inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
699 else
700 inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
701 if (!showAnim || !duration)
702 postProcess();
703 if (inst.input.is(':visible') && !inst.input.is(':disabled'))
704 inst.input.focus();
705 $.datepicker._curInst = inst;
706 }
707 },
708
709 /* Generate the date picker content. */
710 _updateDatepicker: function(inst) {
711 this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
712 var borders = $.datepicker._getBorders(inst.dpDiv);
713 instActive = inst; // for delegate hover events
714 inst.dpDiv.empty().append(this._generateHTML(inst));
715 this._attachHandlers(inst);
716 var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
717 if( !!cover.length ){ //avoid call to outerXXXX() when not in IE6
718 cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
719 }
720 inst.dpDiv.find('.' + this._dayOverClass + ' a').mouseover();
721 var numMonths = this._getNumberOfMonths(inst);
722 var cols = numMonths[1];
723 var width = 17;
724 inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
725 if (cols > 1)
726 inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
727 inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
728 'Class']('ui-datepicker-multi');
729 inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
730 'Class']('ui-datepicker-rtl');
731 if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
732 // #6694 - don't focus the input if it's already focused
733 // this breaks the change event in IE
734 inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] != document.activeElement)
735 inst.input.focus();
736 // deffered render of the years select (to avoid flashes on Firefox)
737 if( inst.yearshtml ){
738 var origyearshtml = inst.yearshtml;
739 setTimeout(function(){
740 //assure that inst.yearshtml didn't change.
741 if( origyearshtml === inst.yearshtml && inst.yearshtml ){
742 inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
743 }
744 origyearshtml = inst.yearshtml = null;
745 }, 0);
746 }
747 },
748
749 /* Retrieve the size of left and top borders for an element.
750 @param elem (jQuery object) the element of interest
751 @return (number[2]) the left and top borders */
752 _getBorders: function(elem) {
753 var convert = function(value) {
754 return {thin: 1, medium: 2, thick: 3}[value] || value;
755 };
756 return [parseFloat(convert(elem.css('border-left-width'))),
757 parseFloat(convert(elem.css('border-top-width')))];
758 },
759
760 /* Check positioning to remain on screen. */
761 _checkOffset: function(inst, offset, isFixed) {
762 var dpWidth = inst.dpDiv.outerWidth();
763 var dpHeight = inst.dpDiv.outerHeight();
764 var inputWidth = inst.input ? inst.input.outerWidth() : 0;
765 var inputHeight = inst.input ? inst.input.outerHeight() : 0;
766 var viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft());
767 var viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());
768
769 offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
770 offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
771 offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
772
773 // now check if datepicker is showing outside window viewport - move to a better place if so.
774 offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
775 Math.abs(offset.left + dpWidth - viewWidth) : 0);
776 offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
777 Math.abs(dpHeight + inputHeight) : 0);
778
779 return offset;
780 },
781
782 /* Find an object's position on the screen. */
783 _findPos: function(obj) {
784 var inst = this._getInst(obj);
785 var isRTL = this._get(inst, 'isRTL');
786 while (obj && (obj.type == 'hidden' || obj.nodeType != 1 || $.expr.filters.hidden(obj))) {
787 obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
788 }
789 var position = $(obj).offset();
790 return [position.left, position.top];
791 },
792
793 /* Hide the date picker from view.
794 @param input element - the input field attached to the date picker */
795 _hideDatepicker: function(input) {
796 var inst = this._curInst;
797 if (!inst || (input && inst != $.data(input, PROP_NAME)))
798 return;
799 if (this._datepickerShowing) {
800 var showAnim = this._get(inst, 'showAnim');
801 var duration = this._get(inst, 'duration');
802 var postProcess = function() {
803 $.datepicker._tidyDialog(inst);
804 };
805
806 // DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed
807 if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) )
808 inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
809 else
810 inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
811 (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
812 if (!showAnim)
813 postProcess();
814 this._datepickerShowing = false;
815 var onClose = this._get(inst, 'onClose');
816 if (onClose)
817 onClose.apply((inst.input ? inst.input[0] : null),
818 [(inst.input ? inst.input.val() : ''), inst]);
819 this._lastInput = null;
820 if (this._inDialog) {
821 this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
822 if ($.blockUI) {
823 $.unblockUI();
824 $('body').append(this.dpDiv);
825 }
826 }
827 this._inDialog = false;
828 }
829 },
830
831 /* Tidy up after a dialog display. */
832 _tidyDialog: function(inst) {
833 inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
834 },
835
836 /* Close date picker if clicked elsewhere. */
837 _checkExternalClick: function(event) {
838 if (!$.datepicker._curInst)
839 return;
840
841 var $target = $(event.target),
842 inst = $.datepicker._getInst($target[0]);
843
844 if ( ( ( $target[0].id != $.datepicker._mainDivId &&
845 $target.parents('#' + $.datepicker._mainDivId).length == 0 &&
846 !$target.hasClass($.datepicker.markerClassName) &&
847 !$target.closest("." + $.datepicker._triggerClass).length &&
848 $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||
849 ( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst != inst ) )
850 $.datepicker._hideDatepicker();
851 },
852
853 /* Adjust one of the date sub-fields. */
854 _adjustDate: function(id, offset, period) {
855 var target = $(id);
856 var inst = this._getInst(target[0]);
857 if (this._isDisabledDatepicker(target[0])) {
858 return;
859 }
860 this._adjustInstDate(inst, offset +
861 (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
862 period);
863 this._updateDatepicker(inst);
864 },
865
866 /* Action for current link. */
867 _gotoToday: function(id) {
868 var target = $(id);
869 var inst = this._getInst(target[0]);
870 if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
871 inst.selectedDay = inst.currentDay;
872 inst.drawMonth = inst.selectedMonth = inst.currentMonth;
873 inst.drawYear = inst.selectedYear = inst.currentYear;
874 }
875 else {
876 var date = new Date();
877 inst.selectedDay = date.getDate();
878 inst.drawMonth = inst.selectedMonth = date.getMonth();
879 inst.drawYear = inst.selectedYear = date.getFullYear();
880 }
881 this._notifyChange(inst);
882 this._adjustDate(target);
883 },
884
885 /* Action for selecting a new month/year. */
886 _selectMonthYear: function(id, select, period) {
887 var target = $(id);
888 var inst = this._getInst(target[0]);
889 inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
890 inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
891 parseInt(select.options[select.selectedIndex].value,10);
892 this._notifyChange(inst);
893 this._adjustDate(target);
894 },
895
896 /* Action for selecting a day. */
897 _selectDay: function(id, month, year, td) {
898 var target = $(id);
899 if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
900 return;
901 }
902 var inst = this._getInst(target[0]);
903 inst.selectedDay = inst.currentDay = $('a', td).html();
904 inst.selectedMonth = inst.currentMonth = month;
905 inst.selectedYear = inst.currentYear = year;
906 this._selectDate(id, this._formatDate(inst,
907 inst.currentDay, inst.currentMonth, inst.currentYear));
908 },
909
910 /* Erase the input field and hide the date picker. */
911 _clearDate: function(id) {
912 var target = $(id);
913 var inst = this._getInst(target[0]);
914 this._selectDate(target, '');
915 },
916
917 /* Update the input field with the selected date. */
918 _selectDate: function(id, dateStr) {
919 var target = $(id);
920 var inst = this._getInst(target[0]);
921 dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
922 if (inst.input)
923 inst.input.val(dateStr);
924 this._updateAlternate(inst);
925 var onSelect = this._get(inst, 'onSelect');
926 if (onSelect)
927 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
928 else if (inst.input)
929 inst.input.trigger('change'); // fire the change event
930 if (inst.inline)
931 this._updateDatepicker(inst);
932 else {
933 this._hideDatepicker();
934 this._lastInput = inst.input[0];
935 if (typeof(inst.input[0]) != 'object')
936 inst.input.focus(); // restore focus
937 this._lastInput = null;
938 }
939 },
940
941 /* Update any alternate field to synchronise with the main field. */
942 _updateAlternate: function(inst) {
943 var altField = this._get(inst, 'altField');
944 if (altField) { // update alternate field too
945 var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
946 var date = this._getDate(inst);
947 var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
948 $(altField).each(function() { $(this).val(dateStr); });
949 }
950 },
951
952 /* Set as beforeShowDay function to prevent selection of weekends.
953 @param date Date - the date to customise
954 @return [boolean, string] - is this date selectable?, what is its CSS class? */
955 noWeekends: function(date) {
956 var day = date.getDay();
957 return [(day > 0 && day < 6), ''];
958 },
959
960 /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
961 @param date Date - the date to get the week for
962 @return number - the number of the week within the year that contains this date */
963 iso8601Week: function(date) {
964 var checkDate = new Date(date.getTime());
965 // Find Thursday of this week starting on Monday
966 checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
967 var time = checkDate.getTime();
968 checkDate.setMonth(0); // Compare with Jan 1
969 checkDate.setDate(1);
970 return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
971 },
972
973 /* Parse a string value into a date object.
974 See formatDate below for the possible formats.
975
976 @param format string - the expected format of the date
977 @param value string - the date in the above format
978 @param settings Object - attributes include:
979 shortYearCutoff number - the cutoff year for determining the century (optional)
980 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
981 dayNames string[7] - names of the days from Sunday (optional)
982 monthNamesShort string[12] - abbreviated names of the months (optional)
983 monthNames string[12] - names of the months (optional)
984 @return Date - the extracted date value or null if value is blank */
985 parseDate: function (format, value, settings) {
986 if (format == null || value == null)
987 throw 'Invalid arguments';
988 value = (typeof value == 'object' ? value.toString() : value + '');
989 if (value == '')
990 return null;
991 var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
992 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
993 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
994 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
995 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
996 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
997 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
998 var year = -1;
999 var month = -1;
1000 var day = -1;
1001 var doy = -1;
1002 var literal = false;
1003 // Check whether a format character is doubled
1004 var lookAhead = function(match) {
1005 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1006 if (matches)
1007 iFormat++;
1008 return matches;
1009 };
1010 // Extract a number from the string value
1011 var getNumber = function(match) {
1012 var isDoubled = lookAhead(match);
1013 var size = (match == '@' ? 14 : (match == '!' ? 20 :
1014 (match == 'y' && isDoubled ? 4 : (match == 'o' ? 3 : 2))));
1015 var digits = new RegExp('^\\d{1,' + size + '}');
1016 var num = value.substring(iValue).match(digits);
1017 if (!num)
1018 throw 'Missing number at position ' + iValue;
1019 iValue += num[0].length;
1020 return parseInt(num[0], 10);
1021 };
1022 // Extract a name from the string value and convert to an index
1023 var getName = function(match, shortNames, longNames) {
1024 var names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
1025 return [ [k, v] ];
1026 }).sort(function (a, b) {
1027 return -(a[1].length - b[1].length);
1028 });
1029 var index = -1;
1030 $.each(names, function (i, pair) {
1031 var name = pair[1];
1032 if (value.substr(iValue, name.length).toLowerCase() == name.toLowerCase()) {
1033 index = pair[0];
1034 iValue += name.length;
1035 return false;
1036 }
1037 });
1038 if (index != -1)
1039 return index + 1;
1040 else
1041 throw 'Unknown name at position ' + iValue;
1042 };
1043 // Confirm that a literal character matches the string value
1044 var checkLiteral = function() {
1045 if (value.charAt(iValue) != format.charAt(iFormat))
1046 throw 'Unexpected literal at position ' + iValue;
1047 iValue++;
1048 };
1049 var iValue = 0;
1050 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1051 if (literal)
1052 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1053 literal = false;
1054 else
1055 checkLiteral();
1056 else
1057 switch (format.charAt(iFormat)) {
1058 case 'd':
1059 day = getNumber('d');
1060 break;
1061 case 'D':
1062 getName('D', dayNamesShort, dayNames);
1063 break;
1064 case 'o':
1065 doy = getNumber('o');
1066 break;
1067 case 'm':
1068 month = getNumber('m');
1069 break;
1070 case 'M':
1071 month = getName('M', monthNamesShort, monthNames);
1072 break;
1073 case 'y':
1074 year = getNumber('y');
1075 break;
1076 case '@':
1077 var date = new Date(getNumber('@'));
1078 year = date.getFullYear();
1079 month = date.getMonth() + 1;
1080 day = date.getDate();
1081 break;
1082 case '!':
1083 var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
1084 year = date.getFullYear();
1085 month = date.getMonth() + 1;
1086 day = date.getDate();
1087 break;
1088 case "'":
1089 if (lookAhead("'"))
1090 checkLiteral();
1091 else
1092 literal = true;
1093 break;
1094 default:
1095 checkLiteral();
1096 }
1097 }
1098 if (iValue < value.length){
1099 var extra = value.substr(iValue);
1100 if (!/^\s+/.test(extra)) {
1101 throw "Extra/unparsed characters found in date: " + extra;
1102 }
1103 }
1104 if (year == -1)
1105 year = new Date().getFullYear();
1106 else if (year < 100)
1107 year += new Date().getFullYear() - new Date().getFullYear() % 100 +
1108 (year <= shortYearCutoff ? 0 : -100);
1109 if (doy > -1) {
1110 month = 1;
1111 day = doy;
1112 do {
1113 var dim = this._getDaysInMonth(year, month - 1);
1114 if (day <= dim)
1115 break;
1116 month++;
1117 day -= dim;
1118 } while (true);
1119 }
1120 var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
1121 if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
1122 throw 'Invalid date'; // E.g. 31/02/00
1123 return date;
1124 },
1125
1126 /* Standard date formats. */
1127 ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
1128 COOKIE: 'D, dd M yy',
1129 ISO_8601: 'yy-mm-dd',
1130 RFC_822: 'D, d M y',
1131 RFC_850: 'DD, dd-M-y',
1132 RFC_1036: 'D, d M y',
1133 RFC_1123: 'D, d M yy',
1134 RFC_2822: 'D, d M yy',
1135 RSS: 'D, d M y', // RFC 822
1136 TICKS: '!',
1137 TIMESTAMP: '@',
1138 W3C: 'yy-mm-dd', // ISO 8601
1139
1140 _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
1141 Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
1142
1143 /* Format a date object into a string value.
1144 The format can be combinations of the following:
1145 d - day of month (no leading zero)
1146 dd - day of month (two digit)
1147 o - day of year (no leading zeros)
1148 oo - day of year (three digit)
1149 D - day name short
1150 DD - day name long
1151 m - month of year (no leading zero)
1152 mm - month of year (two digit)
1153 M - month name short
1154 MM - month name long
1155 y - year (two digit)
1156 yy - year (four digit)
1157 @ - Unix timestamp (ms since 01/01/1970)
1158 ! - Windows ticks (100ns since 01/01/0001)
1159 '...' - literal text
1160 '' - single quote
1161
1162 @param format string - the desired format of the date
1163 @param date Date - the date value to format
1164 @param settings Object - attributes include:
1165 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1166 dayNames string[7] - names of the days from Sunday (optional)
1167 monthNamesShort string[12] - abbreviated names of the months (optional)
1168 monthNames string[12] - names of the months (optional)
1169 @return string - the date in the above format */
1170 formatDate: function (format, date, settings) {
1171 if (!date)
1172 return '';
1173 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1174 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1175 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1176 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1177 // Check whether a format character is doubled
1178 var lookAhead = function(match) {
1179 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1180 if (matches)
1181 iFormat++;
1182 return matches;
1183 };
1184 // Format a number, with leading zero if necessary
1185 var formatNumber = function(match, value, len) {
1186 var num = '' + value;
1187 if (lookAhead(match))
1188 while (num.length < len)
1189 num = '0' + num;
1190 return num;
1191 };
1192 // Format a name, short or long as requested
1193 var formatName = function(match, value, shortNames, longNames) {
1194 return (lookAhead(match) ? longNames[value] : shortNames[value]);
1195 };
1196 var output = '';
1197 var literal = false;
1198 if (date)
1199 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1200 if (literal)
1201 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1202 literal = false;
1203 else
1204 output += format.charAt(iFormat);
1205 else
1206 switch (format.charAt(iFormat)) {
1207 case 'd':
1208 output += formatNumber('d', date.getDate(), 2);
1209 break;
1210 case 'D':
1211 output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1212 break;
1213 case 'o':
1214 output += formatNumber('o',
1215 Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000), 3);
1216 break;
1217 case 'm':
1218 output += formatNumber('m', date.getMonth() + 1, 2);
1219 break;
1220 case 'M':
1221 output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1222 break;
1223 case 'y':
1224 output += (lookAhead('y') ? date.getFullYear() :
1225 (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1226 break;
1227 case '@':
1228 output += date.getTime();
1229 break;
1230 case '!':
1231 output += date.getTime() * 10000 + this._ticksTo1970;
1232 break;
1233 case "'":
1234 if (lookAhead("'"))
1235 output += "'";
1236 else
1237 literal = true;
1238 break;
1239 default:
1240 output += format.charAt(iFormat);
1241 }
1242 }
1243 return output;
1244 },
1245
1246 /* Extract all possible characters from the date format. */
1247 _possibleChars: function (format) {
1248 var chars = '';
1249 var literal = false;
1250 // Check whether a format character is doubled
1251 var lookAhead = function(match) {
1252 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1253 if (matches)
1254 iFormat++;
1255 return matches;
1256 };
1257 for (var iFormat = 0; iFormat < format.length; iFormat++)
1258 if (literal)
1259 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1260 literal = false;
1261 else
1262 chars += format.charAt(iFormat);
1263 else
1264 switch (format.charAt(iFormat)) {
1265 case 'd': case 'm': case 'y': case '@':
1266 chars += '0123456789';
1267 break;
1268 case 'D': case 'M':
1269 return null; // Accept anything
1270 case "'":
1271 if (lookAhead("'"))
1272 chars += "'";
1273 else
1274 literal = true;
1275 break;
1276 default:
1277 chars += format.charAt(iFormat);
1278 }
1279 return chars;
1280 },
1281
1282 /* Get a setting value, defaulting if necessary. */
1283 _get: function(inst, name) {
1284 return inst.settings[name] !== undefined ?
1285 inst.settings[name] : this._defaults[name];
1286 },
1287
1288 /* Parse existing date and initialise date picker. */
1289 _setDateFromField: function(inst, noDefault) {
1290 if (inst.input.val() == inst.lastVal) {
1291 return;
1292 }
1293 var dateFormat = this._get(inst, 'dateFormat');
1294 var dates = inst.lastVal = inst.input ? inst.input.val() : null;
1295 var date, defaultDate;
1296 date = defaultDate = this._getDefaultDate(inst);
1297 var settings = this._getFormatConfig(inst);
1298 try {
1299 date = this.parseDate(dateFormat, dates, settings) || defaultDate;
1300 } catch (event) {
1301 this.log(event);
1302 dates = (noDefault ? '' : dates);
1303 }
1304 inst.selectedDay = date.getDate();
1305 inst.drawMonth = inst.selectedMonth = date.getMonth();
1306 inst.drawYear = inst.selectedYear = date.getFullYear();
1307 inst.currentDay = (dates ? date.getDate() : 0);
1308 inst.currentMonth = (dates ? date.getMonth() : 0);
1309 inst.currentYear = (dates ? date.getFullYear() : 0);
1310 this._adjustInstDate(inst);
1311 },
1312
1313 /* Retrieve the default date shown on opening. */
1314 _getDefaultDate: function(inst) {
1315 return this._restrictMinMax(inst,
1316 this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
1317 },
1318
1319 /* A date may be specified as an exact value or a relative one. */
1320 _determineDate: function(inst, date, defaultDate) {
1321 var offsetNumeric = function(offset) {
1322 var date = new Date();
1323 date.setDate(date.getDate() + offset);
1324 return date;
1325 };
1326 var offsetString = function(offset) {
1327 try {
1328 return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
1329 offset, $.datepicker._getFormatConfig(inst));
1330 }
1331 catch (e) {
1332 // Ignore
1333 }
1334 var date = (offset.toLowerCase().match(/^c/) ?
1335 $.datepicker._getDate(inst) : null) || new Date();
1336 var year = date.getFullYear();
1337 var month = date.getMonth();
1338 var day = date.getDate();
1339 var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1340 var matches = pattern.exec(offset);
1341 while (matches) {
1342 switch (matches[2] || 'd') {
1343 case 'd' : case 'D' :
1344 day += parseInt(matches[1],10); break;
1345 case 'w' : case 'W' :
1346 day += parseInt(matches[1],10) * 7; break;
1347 case 'm' : case 'M' :
1348 month += parseInt(matches[1],10);
1349 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1350 break;
1351 case 'y': case 'Y' :
1352 year += parseInt(matches[1],10);
1353 day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1354 break;
1355 }
1356 matches = pattern.exec(offset);
1357 }
1358 return new Date(year, month, day);
1359 };
1360 var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
1361 (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
1362 newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
1363 if (newDate) {
1364 newDate.setHours(0);
1365 newDate.setMinutes(0);
1366 newDate.setSeconds(0);
1367 newDate.setMilliseconds(0);
1368 }
1369 return this._daylightSavingAdjust(newDate);
1370 },
1371
1372 /* Handle switch to/from daylight saving.
1373 Hours may be non-zero on daylight saving cut-over:
1374 > 12 when midnight changeover, but then cannot generate
1375 midnight datetime, so jump to 1AM, otherwise reset.
1376 @param date (Date) the date to check
1377 @return (Date) the corrected date */
1378 _daylightSavingAdjust: function(date) {
1379 if (!date) return null;
1380 date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1381 return date;
1382 },
1383
1384 /* Set the date(s) directly. */
1385 _setDate: function(inst, date, noChange) {
1386 var clear = !date;
1387 var origMonth = inst.selectedMonth;
1388 var origYear = inst.selectedYear;
1389 var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
1390 inst.selectedDay = inst.currentDay = newDate.getDate();
1391 inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
1392 inst.drawYear = inst.selectedYear = inst.currentYear = newDate.getFullYear();
1393 if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange)
1394 this._notifyChange(inst);
1395 this._adjustInstDate(inst);
1396 if (inst.input) {
1397 inst.input.val(clear ? '' : this._formatDate(inst));
1398 }
1399 },
1400
1401 /* Retrieve the date(s) directly. */
1402 _getDate: function(inst) {
1403 var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1404 this._daylightSavingAdjust(new Date(
1405 inst.currentYear, inst.currentMonth, inst.currentDay)));
1406 return startDate;
1407 },
1408
1409 /* Attach the onxxx handlers. These are declared statically so
1410 * they work with static code transformers like Caja.
1411 */
1412 _attachHandlers: function(inst) {
1413 var stepMonths = this._get(inst, 'stepMonths');
1414 var id = '#' + inst.id.replace( /\\\\/g, "\\" );
1415 inst.dpDiv.find('[data-handler]').map(function () {
1416 var handler = {
1417 prev: function () {
1418 window['DP_jQuery_' + dpuuid].datepicker._adjustDate(id, -stepMonths, 'M');
1419 },
1420 next: function () {
1421 window['DP_jQuery_' + dpuuid].datepicker._adjustDate(id, +stepMonths, 'M');
1422 },
1423 hide: function () {
1424 window['DP_jQuery_' + dpuuid].datepicker._hideDatepicker();
1425 },
1426 today: function () {
1427 window['DP_jQuery_' + dpuuid].datepicker._gotoToday(id);
1428 },
1429 selectDay: function () {
1430 window['DP_jQuery_' + dpuuid].datepicker._selectDay(id, +this.getAttribute('data-month'), +this.getAttribute('data-year'), this);
1431 return false;
1432 },
1433 selectMonth: function () {
1434 window['DP_jQuery_' + dpuuid].datepicker._selectMonthYear(id, this, 'M');
1435 return false;
1436 },
1437 selectYear: function () {
1438 window['DP_jQuery_' + dpuuid].datepicker._selectMonthYear(id, this, 'Y');
1439 return false;
1440 }
1441 };
1442 $(this).bind(this.getAttribute('data-event'), handler[this.getAttribute('data-handler')]);
1443 });
1444 },
1445
1446 /* Generate the HTML for the current state of the date picker. */
1447 _generateHTML: function(inst) {
1448 var today = new Date();
1449 today = this._daylightSavingAdjust(
1450 new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1451 var isRTL = this._get(inst, 'isRTL');
1452 var showButtonPanel = this._get(inst, 'showButtonPanel');
1453 var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1454 var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1455 var numMonths = this._getNumberOfMonths(inst);
1456 var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1457 var stepMonths = this._get(inst, 'stepMonths');
1458 var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1459 var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1460 new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1461 var minDate = this._getMinMaxDate(inst, 'min');
1462 var maxDate = this._getMinMaxDate(inst, 'max');
1463 var drawMonth = inst.drawMonth - showCurrentAtPos;
1464 var drawYear = inst.drawYear;
1465 if (drawMonth < 0) {
1466 drawMonth += 12;
1467 drawYear--;
1468 }
1469 if (maxDate) {
1470 var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1471 maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
1472 maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1473 while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1474 drawMonth--;
1475 if (drawMonth < 0) {
1476 drawMonth = 11;
1477 drawYear--;
1478 }
1479 }
1480 }
1481 inst.drawMonth = drawMonth;
1482 inst.drawYear = drawYear;
1483 var prevText = this._get(inst, 'prevText');
1484 prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1485 this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1486 this._getFormatConfig(inst)));
1487 var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1488 '<a class="ui-datepicker-prev ui-corner-all" data-handler="prev" data-event="click"' +
1489 ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1490 (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>'));
1491 var nextText = this._get(inst, 'nextText');
1492 nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1493 this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1494 this._getFormatConfig(inst)));
1495 var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1496 '<a class="ui-datepicker-next ui-corner-all" data-handler="next" data-event="click"' +
1497 ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1498 (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>'));
1499 var currentText = this._get(inst, 'currentText');
1500 var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1501 currentText = (!navigationAsDateFormat ? currentText :
1502 this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1503 var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" data-handler="hide" data-event="click">' +
1504 this._get(inst, 'closeText') + '</button>' : '');
1505 var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1506 (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" data-handler="today" data-event="click"' +
1507 '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1508 var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1509 firstDay = (isNaN(firstDay) ? 0 : firstDay);
1510 var showWeek = this._get(inst, 'showWeek');
1511 var dayNames = this._get(inst, 'dayNames');
1512 var dayNamesShort = this._get(inst, 'dayNamesShort');
1513 var dayNamesMin = this._get(inst, 'dayNamesMin');
1514 var monthNames = this._get(inst, 'monthNames');
1515 var monthNamesShort = this._get(inst, 'monthNamesShort');
1516 var beforeShowDay = this._get(inst, 'beforeShowDay');
1517 var showOtherMonths = this._get(inst, 'showOtherMonths');
1518 var selectOtherMonths = this._get(inst, 'selectOtherMonths');
1519 var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1520 var defaultDate = this._getDefaultDate(inst);
1521 var html = '';
1522 for (var row = 0; row < numMonths[0]; row++) {
1523 var group = '';
1524 this.maxRows = 4;
1525 for (var col = 0; col < numMonths[1]; col++) {
1526 var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1527 var cornerClass = ' ui-corner-all';
1528 var calender = '';
1529 if (isMultiMonth) {
1530 calender += '<div class="ui-datepicker-group';
1531 if (numMonths[1] > 1)
1532 switch (col) {
1533 case 0: calender += ' ui-datepicker-group-first';
1534 cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1535 case numMonths[1]-1: calender += ' ui-datepicker-group-last';
1536 cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1537 default: calender += ' ui-datepicker-group-middle'; cornerClass = ''; break;
1538 }
1539 calender += '">';
1540 }
1541 calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1542 (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1543 (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1544 this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1545 row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
1546 '</div><table class="ui-datepicker-calendar"><thead>' +
1547 '<tr>';
1548 var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
1549 for (var dow = 0; dow < 7; dow++) { // days of the week
1550 var day = (dow + firstDay) % 7;
1551 thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1552 '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1553 }
1554 calender += thead + '</tr></thead><tbody>';
1555 var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1556 if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1557 inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1558 var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1559 var curRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
1560 var numRows = (isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows); //If multiple months, use the higher number of rows (see #7043)
1561 this.maxRows = numRows;
1562 var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1563 for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1564 calender += '<tr>';
1565 var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
1566 this._get(inst, 'calculateWeek')(printDate) + '</td>');
1567 for (var dow = 0; dow < 7; dow++) { // create date picker days
1568 var daySettings = (beforeShowDay ?
1569 beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1570 var otherMonth = (printDate.getMonth() != drawMonth);
1571 var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] ||
1572 (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1573 tbody += '<td class="' +
1574 ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1575 (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1576 ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1577 (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1578 // or defaultDate is current printedDate and defaultDate is selectedDate
1579 ' ' + this._dayOverClass : '') + // highlight selected day
1580 (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1581 (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1582 (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
1583 (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1584 ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1585 (unselectable ? '' : ' data-handler="selectDay" data-event="click" data-month="' + printDate.getMonth() + '" data-year="' + printDate.getFullYear() + '"') + '>' + // actions
1586 (otherMonth && !showOtherMonths ? '&#xa0;' : // display for other months
1587 (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1588 (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1589 (printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + // highlight selected day
1590 (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
1591 '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
1592 printDate.setDate(printDate.getDate() + 1);
1593 printDate = this._daylightSavingAdjust(printDate);
1594 }
1595 calender += tbody + '</tr>';
1596 }
1597 drawMonth++;
1598 if (drawMonth > 11) {
1599 drawMonth = 0;
1600 drawYear++;
1601 }
1602 calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1603 ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1604 group += calender;
1605 }
1606 html += group;
1607 }
1608 html += buttonPanel + ($.ui.ie6 && !inst.inline ?
1609 '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1610 inst._keyEvent = false;
1611 return html;
1612 },
1613
1614 /* Generate the month and year header. */
1615 _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1616 secondary, monthNames, monthNamesShort) {
1617 var changeMonth = this._get(inst, 'changeMonth');
1618 var changeYear = this._get(inst, 'changeYear');
1619 var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1620 var html = '<div class="ui-datepicker-title">';
1621 var monthHtml = '';
1622 // month selection
1623 if (secondary || !changeMonth)
1624 monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
1625 else {
1626 var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1627 var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1628 monthHtml += '<select class="ui-datepicker-month" data-handler="selectMonth" data-event="change">';
1629 for (var month = 0; month < 12; month++) {
1630 if ((!inMinYear || month >= minDate.getMonth()) &&
1631 (!inMaxYear || month <= maxDate.getMonth()))
1632 monthHtml += '<option value="' + month + '"' +
1633 (month == drawMonth ? ' selected="selected"' : '') +
1634 '>' + monthNamesShort[month] + '</option>';
1635 }
1636 monthHtml += '</select>';
1637 }
1638 if (!showMonthAfterYear)
1639 html += monthHtml + (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '');
1640 // year selection
1641 if ( !inst.yearshtml ) {
1642 inst.yearshtml = '';
1643 if (secondary || !changeYear)
1644 html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1645 else {
1646 // determine range of years to display
1647 var years = this._get(inst, 'yearRange').split(':');
1648 var thisYear = new Date().getFullYear();
1649 var determineYear = function(value) {
1650 var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
1651 (value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
1652 parseInt(value, 10)));
1653 return (isNaN(year) ? thisYear : year);
1654 };
1655 var year = determineYear(years[0]);
1656 var endYear = Math.max(year, determineYear(years[1] || ''));
1657 year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1658 endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1659 inst.yearshtml += '<select class="ui-datepicker-year" data-handler="selectYear" data-event="change">';
1660 for (; year <= endYear; year++) {
1661 inst.yearshtml += '<option value="' + year + '"' +
1662 (year == drawYear ? ' selected="selected"' : '') +
1663 '>' + year + '</option>';
1664 }
1665 inst.yearshtml += '</select>';
1666
1667 html += inst.yearshtml;
1668 inst.yearshtml = null;
1669 }
1670 }
1671 html += this._get(inst, 'yearSuffix');
1672 if (showMonthAfterYear)
1673 html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
1674 html += '</div>'; // Close datepicker_header
1675 return html;
1676 },
1677
1678 /* Adjust one of the date sub-fields. */
1679 _adjustInstDate: function(inst, offset, period) {
1680 var year = inst.drawYear + (period == 'Y' ? offset : 0);
1681 var month = inst.drawMonth + (period == 'M' ? offset : 0);
1682 var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1683 (period == 'D' ? offset : 0);
1684 var date = this._restrictMinMax(inst,
1685 this._daylightSavingAdjust(new Date(year, month, day)));
1686 inst.selectedDay = date.getDate();
1687 inst.drawMonth = inst.selectedMonth = date.getMonth();
1688 inst.drawYear = inst.selectedYear = date.getFullYear();
1689 if (period == 'M' || period == 'Y')
1690 this._notifyChange(inst);
1691 },
1692
1693 /* Ensure a date is within any min/max bounds. */
1694 _restrictMinMax: function(inst, date) {
1695 var minDate = this._getMinMaxDate(inst, 'min');
1696 var maxDate = this._getMinMaxDate(inst, 'max');
1697 var newDate = (minDate && date < minDate ? minDate : date);
1698 newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
1699 return newDate;
1700 },
1701
1702 /* Notify change of month/year. */
1703 _notifyChange: function(inst) {
1704 var onChange = this._get(inst, 'onChangeMonthYear');
1705 if (onChange)
1706 onChange.apply((inst.input ? inst.input[0] : null),
1707 [inst.selectedYear, inst.selectedMonth + 1, inst]);
1708 },
1709
1710 /* Determine the number of months to show. */
1711 _getNumberOfMonths: function(inst) {
1712 var numMonths = this._get(inst, 'numberOfMonths');
1713 return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1714 },
1715
1716 /* Determine the current maximum date - ensure no time components are set. */
1717 _getMinMaxDate: function(inst, minMax) {
1718 return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
1719 },
1720
1721 /* Find the number of days in a given month. */
1722 _getDaysInMonth: function(year, month) {
1723 return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
1724 },
1725
1726 /* Find the day of the week of the first of a month. */
1727 _getFirstDayOfMonth: function(year, month) {
1728 return new Date(year, month, 1).getDay();
1729 },
1730
1731 /* Determines if we should allow a "next/prev" month display change. */
1732 _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1733 var numMonths = this._getNumberOfMonths(inst);
1734 var date = this._daylightSavingAdjust(new Date(curYear,
1735 curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
1736 if (offset < 0)
1737 date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1738 return this._isInRange(inst, date);
1739 },
1740
1741 /* Is the given date in the accepted range? */
1742 _isInRange: function(inst, date) {
1743 var minDate = this._getMinMaxDate(inst, 'min');
1744 var maxDate = this._getMinMaxDate(inst, 'max');
1745 return ((!minDate || date.getTime() >= minDate.getTime()) &&
1746 (!maxDate || date.getTime() <= maxDate.getTime()));
1747 },
1748
1749 /* Provide the configuration settings for formatting/parsing. */
1750 _getFormatConfig: function(inst) {
1751 var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1752 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1753 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1754 return {shortYearCutoff: shortYearCutoff,
1755 dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1756 monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1757 },
1758
1759 /* Format the given date for display. */
1760 _formatDate: function(inst, day, month, year) {
1761 if (!day) {
1762 inst.currentDay = inst.selectedDay;
1763 inst.currentMonth = inst.selectedMonth;
1764 inst.currentYear = inst.selectedYear;
1765 }
1766 var date = (day ? (typeof day == 'object' ? day :
1767 this._daylightSavingAdjust(new Date(year, month, day))) :
1768 this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1769 return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1770 }
1771 });
1772
1773 /*
1774 * Bind hover events for datepicker elements.
1775 * Done via delegate so the binding only occurs once in the lifetime of the parent div.
1776 * Global instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
1777 */
1778 function bindHover(dpDiv) {
1779 var selector = 'button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a';
1780 return dpDiv.delegate(selector, 'mouseout', function() {
1781 $(this).removeClass('ui-state-hover');
1782 if (this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
1783 if (this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover');
1784 })
1785 .delegate(selector, 'mouseover', function(){
1786 if (!$.datepicker._isDisabledDatepicker( instActive.inline ? dpDiv.parent()[0] : instActive.input[0])) {
1787 $(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
1788 $(this).addClass('ui-state-hover');
1789 if (this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
1790 if (this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover');
1791 }
1792 });
1793 }
1794
1795 /* jQuery extend now ignores nulls! */
1796 function extendRemove(target, props) {
1797 $.extend(target, props);
1798 for (var name in props)
1799 if (props[name] == null || props[name] == undefined)
1800 target[name] = props[name];
1801 return target;
1802 };
1803
1804 /* Invoke the datepicker functionality.
1805 @param options string - a command, optionally followed by additional parameters or
1806 Object - settings for attaching new datepicker functionality
1807 @return jQuery object */
1808 $.fn.datepicker = function(options){
1809
1810 /* Verify an empty collection wasn't passed - Fixes #6976 */
1811 if ( !this.length ) {
1812 return this;
1813 }
1814
1815 /* Initialise the date picker. */
1816 if (!$.datepicker.initialized) {
1817 $(document).mousedown($.datepicker._checkExternalClick).
1818 find(document.body).append($.datepicker.dpDiv);
1819 $.datepicker.initialized = true;
1820 }
1821
1822 var otherArgs = Array.prototype.slice.call(arguments, 1);
1823 if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'widget'))
1824 return $.datepicker['_' + options + 'Datepicker'].
1825 apply($.datepicker, [this[0]].concat(otherArgs));
1826 if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
1827 return $.datepicker['_' + options + 'Datepicker'].
1828 apply($.datepicker, [this[0]].concat(otherArgs));
1829 return this.each(function() {
1830 typeof options == 'string' ?
1831 $.datepicker['_' + options + 'Datepicker'].
1832 apply($.datepicker, [this].concat(otherArgs)) :
1833 $.datepicker._attachDatepicker(this, options);
1834 });
1835 };
1836
1837 $.datepicker = new Datepicker(); // singleton instance
1838 $.datepicker.initialized = false;
1839 $.datepicker.uuid = new Date().getTime();
1840 $.datepicker.version = "1.9.2";
1841
1842 // Workaround for #4055
1843 // Add another global to avoid noConflict issues with inline event handlers
1844 window['DP_jQuery_' + dpuuid] = $;
1845
1846 })(jQuery);
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