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1/*
2 * jQuery UI Datepicker 1.7.2
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 */
13
14(function($) { // hide the namespace
15
16$.extend($.ui, { datepicker: { version: "1.7.2" } });
17
18var PROP_NAME = 'datepicker';
19
20/* Date picker manager.
21 Use the singleton instance of this class, $.datepicker, to interact with the date picker.
22 Settings for (groups of) date pickers are maintained in an instance object,
23 allowing multiple different settings on the same page. */
24
25function 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 = $('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all ui-helper-hidden-accessible"></div>');
105}
106
107$.extend(Datepicker.prototype, {
108 /* Class name added to elements to indicate already configured with a date picker. */
109 markerClassName: 'hasDatepicker',
110
111 /* Debug logging (if enabled). */
112 log: function () {
113 if (this.debug)
114 console.log.apply('', arguments);
115 },
116
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 },
124
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 },
154
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 },
165
166 /* Attach the date picker to an input field. */
167 _connectDatepicker: function(target, inst) {
168 var input = $(target);
169 inst.append = $([]);
170 inst.trigger = $([]);
171 if (input.hasClass(this.markerClassName))
172 return;
173 var appendText = this._get(inst, 'appendText');
174 var isRTL = this._get(inst, 'isRTL');
175 if (appendText) {
176 inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
177 input[isRTL ? 'before' : 'after'](inst.append);
178 }
179 var showOn = this._get(inst, 'showOn');
180 if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
181 input.focus(this._showDatepicker);
182 if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
183 var buttonText = this._get(inst, 'buttonText');
184 var buttonImage = this._get(inst, 'buttonImage');
185 inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
186 $('<img/>').addClass(this._triggerClass).
187 attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
188 $('<button type="button"></button>').addClass(this._triggerClass).
189 html(buttonImage == '' ? buttonText : $('<img/>').attr(
190 { src:buttonImage, alt:buttonText, title:buttonText })));
191 input[isRTL ? 'before' : 'after'](inst.trigger);
192 inst.trigger.click(function() {
193 if ($.datepicker._datepickerShowing && $.datepicker._lastInput == target)
194 $.datepicker._hideDatepicker();
195 else
196 $.datepicker._showDatepicker(target);
197 return false;
198 });
199 }
200 input.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress).
201 bind("setData.datepicker", function(event, key, value) {
202 inst.settings[key] = value;
203 }).bind("getData.datepicker", function(event, key) {
204 return this._get(inst, key);
205 });
206 $.data(target, PROP_NAME, inst);
207 },
208
209 /* Attach an inline date picker to a div. */
210 _inlineDatepicker: function(target, inst) {
211 var divSpan = $(target);
212 if (divSpan.hasClass(this.markerClassName))
213 return;
214 divSpan.addClass(this.markerClassName).append(inst.dpDiv).
215 bind("setData.datepicker", function(event, key, value){
216 inst.settings[key] = value;
217 }).bind("getData.datepicker", function(event, key){
218 return this._get(inst, key);
219 });
220 $.data(target, PROP_NAME, inst);
221 this._setDate(inst, this._getDefaultDate(inst));
222 this._updateDatepicker(inst);
223 this._updateAlternate(inst);
224 },
225
226 /* Pop-up the date picker in a "dialog" box.
227 @param input element - ignored
228 @param dateText string - the initial date to display (in the current format)
229 @param onSelect function - the function(dateText) to call when a date is selected
230 @param settings object - update the dialog date picker instance's settings (anonymous object)
231 @param pos int[2] - coordinates for the dialog's position within the screen or
232 event - with x/y coordinates or
233 leave empty for default (screen centre)
234 @return the manager object */
235 _dialogDatepicker: function(input, dateText, onSelect, settings, pos) {
236 var inst = this._dialogInst; // internal instance
237 if (!inst) {
238 var id = 'dp' + (++this.uuid);
239 this._dialogInput = $('<input type="text" id="' + id +
240 '" size="1" style="position: absolute; top: -100px;"/>');
241 this._dialogInput.keydown(this._doKeyDown);
242 $('body').append(this._dialogInput);
243 inst = this._dialogInst = this._newInst(this._dialogInput, false);
244 inst.settings = {};
245 $.data(this._dialogInput[0], PROP_NAME, inst);
246 }
247 extendRemove(inst.settings, settings || {});
248 this._dialogInput.val(dateText);
249
250 this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
251 if (!this._pos) {
252 var browserWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
253 var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
254 var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
255 var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
256 this._pos = // should use actual width/height below
257 [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
258 }
259
260 // move input on screen for focus, but hidden behind dialog
261 this._dialogInput.css('left', this._pos[0] + 'px').css('top', this._pos[1] + 'px');
262 inst.settings.onSelect = onSelect;
263 this._inDialog = true;
264 this.dpDiv.addClass(this._dialogClass);
265 this._showDatepicker(this._dialogInput[0]);
266 if ($.blockUI)
267 $.blockUI(this.dpDiv);
268 $.data(this._dialogInput[0], PROP_NAME, inst);
269 return this;
270 },
271
272 /* Detach a datepicker from its control.
273 @param target element - the target input field or division or span */
274 _destroyDatepicker: function(target) {
275 var $target = $(target);
276 var inst = $.data(target, PROP_NAME);
277 if (!$target.hasClass(this.markerClassName)) {
278 return;
279 }
280 var nodeName = target.nodeName.toLowerCase();
281 $.removeData(target, PROP_NAME);
282 if (nodeName == 'input') {
283 inst.append.remove();
284 inst.trigger.remove();
285 $target.removeClass(this.markerClassName).
286 unbind('focus', this._showDatepicker).
287 unbind('keydown', this._doKeyDown).
288 unbind('keypress', this._doKeyPress);
289 } else if (nodeName == 'div' || nodeName == 'span')
290 $target.removeClass(this.markerClassName).empty();
291 },
292
293 /* Enable the date picker to a jQuery selection.
294 @param target element - the target input field or division or span */
295 _enableDatepicker: function(target) {
296 var $target = $(target);
297 var inst = $.data(target, PROP_NAME);
298 if (!$target.hasClass(this.markerClassName)) {
299 return;
300 }
301 var nodeName = target.nodeName.toLowerCase();
302 if (nodeName == 'input') {
303 target.disabled = false;
304 inst.trigger.filter('button').
305 each(function() { this.disabled = false; }).end().
306 filter('img').css({opacity: '1.0', cursor: ''});
307 }
308 else if (nodeName == 'div' || nodeName == 'span') {
309 var inline = $target.children('.' + this._inlineClass);
310 inline.children().removeClass('ui-state-disabled');
311 }
312 this._disabledInputs = $.map(this._disabledInputs,
313 function(value) { return (value == target ? null : value); }); // delete entry
314 },
315
316 /* Disable the date picker to a jQuery selection.
317 @param target element - the target input field or division or span */
318 _disableDatepicker: function(target) {
319 var $target = $(target);
320 var inst = $.data(target, PROP_NAME);
321 if (!$target.hasClass(this.markerClassName)) {
322 return;
323 }
324 var nodeName = target.nodeName.toLowerCase();
325 if (nodeName == 'input') {
326 target.disabled = true;
327 inst.trigger.filter('button').
328 each(function() { this.disabled = true; }).end().
329 filter('img').css({opacity: '0.5', cursor: 'default'});
330 }
331 else if (nodeName == 'div' || nodeName == 'span') {
332 var inline = $target.children('.' + this._inlineClass);
333 inline.children().addClass('ui-state-disabled');
334 }
335 this._disabledInputs = $.map(this._disabledInputs,
336 function(value) { return (value == target ? null : value); }); // delete entry
337 this._disabledInputs[this._disabledInputs.length] = target;
338 },
339
340 /* Is the first field in a jQuery collection disabled as a datepicker?
341 @param target element - the target input field or division or span
342 @return boolean - true if disabled, false if enabled */
343 _isDisabledDatepicker: function(target) {
344 if (!target) {
345 return false;
346 }
347 for (var i = 0; i < this._disabledInputs.length; i++) {
348 if (this._disabledInputs[i] == target)
349 return true;
350 }
351 return false;
352 },
353
354 /* Retrieve the instance data for the target control.
355 @param target element - the target input field or division or span
356 @return object - the associated instance data
357 @throws error if a jQuery problem getting data */
358 _getInst: function(target) {
359 try {
360 return $.data(target, PROP_NAME);
361 }
362 catch (err) {
363 throw 'Missing instance data for this datepicker';
364 }
365 },
366
367 /* Update or retrieve the settings for a date picker attached to an input field or division.
368 @param target element - the target input field or division or span
369 @param name object - the new settings to update or
370 string - the name of the setting to change or retrieve,
371 when retrieving also 'all' for all instance settings or
372 'defaults' for all global defaults
373 @param value any - the new value for the setting
374 (omit if above is an object or to retrieve a value) */
375 _optionDatepicker: function(target, name, value) {
376 var inst = this._getInst(target);
377 if (arguments.length == 2 && typeof name == 'string') {
378 return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
379 (inst ? (name == 'all' ? $.extend({}, inst.settings) :
380 this._get(inst, name)) : null));
381 }
382 var settings = name || {};
383 if (typeof name == 'string') {
384 settings = {};
385 settings[name] = value;
386 }
387 if (inst) {
388 if (this._curInst == inst) {
389 this._hideDatepicker(null);
390 }
391 var date = this._getDateDatepicker(target);
392 extendRemove(inst.settings, settings);
393 this._setDateDatepicker(target, date);
394 this._updateDatepicker(inst);
395 }
396 },
397
398 // change method deprecated
399 _changeDatepicker: function(target, name, value) {
400 this._optionDatepicker(target, name, value);
401 },
402
403 /* Redraw the date picker attached to an input field or division.
404 @param target element - the target input field or division or span */
405 _refreshDatepicker: function(target) {
406 var inst = this._getInst(target);
407 if (inst) {
408 this._updateDatepicker(inst);
409 }
410 },
411
412 /* Set the dates for a jQuery selection.
413 @param target element - the target input field or division or span
414 @param date Date - the new date
415 @param endDate Date - the new end date for a range (optional) */
416 _setDateDatepicker: function(target, date, endDate) {
417 var inst = this._getInst(target);
418 if (inst) {
419 this._setDate(inst, date, endDate);
420 this._updateDatepicker(inst);
421 this._updateAlternate(inst);
422 }
423 },
424
425 /* Get the date(s) for the first entry in a jQuery selection.
426 @param target element - the target input field or division or span
427 @return Date - the current date or
428 Date[2] - the current dates for a range */
429 _getDateDatepicker: function(target) {
430 var inst = this._getInst(target);
431 if (inst && !inst.inline)
432 this._setDateFromField(inst);
433 return (inst ? this._getDate(inst) : null);
434 },
435
436 /* Handle keystrokes. */
437 _doKeyDown: function(event) {
438 var inst = $.datepicker._getInst(event.target);
439 var handled = true;
440 var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
441 inst._keyEvent = true;
442 if ($.datepicker._datepickerShowing)
443 switch (event.keyCode) {
444 case 9: $.datepicker._hideDatepicker(null, '');
445 break; // hide on tab out
446 case 13: var sel = $('td.' + $.datepicker._dayOverClass +
447 ', td.' + $.datepicker._currentClass, inst.dpDiv);
448 if (sel[0])
449 $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
450 else
451 $.datepicker._hideDatepicker(null, $.datepicker._get(inst, 'duration'));
452 return false; // don't submit the form
453 break; // select the value on enter
454 case 27: $.datepicker._hideDatepicker(null, $.datepicker._get(inst, 'duration'));
455 break; // hide on escape
456 case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
457 -$.datepicker._get(inst, 'stepBigMonths') :
458 -$.datepicker._get(inst, 'stepMonths')), 'M');
459 break; // previous month/year on page up/+ ctrl
460 case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
461 +$.datepicker._get(inst, 'stepBigMonths') :
462 +$.datepicker._get(inst, 'stepMonths')), 'M');
463 break; // next month/year on page down/+ ctrl
464 case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
465 handled = event.ctrlKey || event.metaKey;
466 break; // clear on ctrl or command +end
467 case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
468 handled = event.ctrlKey || event.metaKey;
469 break; // current on ctrl or command +home
470 case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
471 handled = event.ctrlKey || event.metaKey;
472 // -1 day on ctrl or command +left
473 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
474 -$.datepicker._get(inst, 'stepBigMonths') :
475 -$.datepicker._get(inst, 'stepMonths')), 'M');
476 // next month/year on alt +left on Mac
477 break;
478 case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
479 handled = event.ctrlKey || event.metaKey;
480 break; // -1 week on ctrl or command +up
481 case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
482 handled = event.ctrlKey || event.metaKey;
483 // +1 day on ctrl or command +right
484 if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
485 +$.datepicker._get(inst, 'stepBigMonths') :
486 +$.datepicker._get(inst, 'stepMonths')), 'M');
487 // next month/year on alt +right
488 break;
489 case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
490 handled = event.ctrlKey || event.metaKey;
491 break; // +1 week on ctrl or command +down
492 default: handled = false;
493 }
494 else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
495 $.datepicker._showDatepicker(this);
496 else {
497 handled = false;
498 }
499 if (handled) {
500 event.preventDefault();
501 event.stopPropagation();
502 }
503 },
504
505 /* Filter entered characters - based on date format. */
506 _doKeyPress: function(event) {
507 var inst = $.datepicker._getInst(event.target);
508 if ($.datepicker._get(inst, 'constrainInput')) {
509 var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
510 var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
511 return event.ctrlKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
512 }
513 },
514
515 /* Pop-up the date picker for a given input field.
516 @param input element - the input field attached to the date picker or
517 event - if triggered by focus */
518 _showDatepicker: function(input) {
519 input = input.target || input;
520 if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
521 input = $('input', input.parentNode)[0];
522 if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
523 return;
524 var inst = $.datepicker._getInst(input);
525 var beforeShow = $.datepicker._get(inst, 'beforeShow');
526 extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
527 $.datepicker._hideDatepicker(null, '');
528 $.datepicker._lastInput = input;
529 $.datepicker._setDateFromField(inst);
530 if ($.datepicker._inDialog) // hide cursor
531 input.value = '';
532 if (!$.datepicker._pos) { // position below input
533 $.datepicker._pos = $.datepicker._findPos(input);
534 $.datepicker._pos[1] += input.offsetHeight; // add the height
535 }
536 var isFixed = false;
537 $(input).parents().each(function() {
538 isFixed |= $(this).css('position') == 'fixed';
539 return !isFixed;
540 });
541 if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
542 $.datepicker._pos[0] -= document.documentElement.scrollLeft;
543 $.datepicker._pos[1] -= document.documentElement.scrollTop;
544 }
545 var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
546 $.datepicker._pos = null;
547 inst.rangeStart = null;
548 // determine sizing offscreen
549 inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
550 $.datepicker._updateDatepicker(inst);
551 // fix width for dynamic number of date pickers
552 // and adjust position before showing
553 offset = $.datepicker._checkOffset(inst, offset, isFixed);
554 inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
555 'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
556 left: offset.left + 'px', top: offset.top + 'px'});
557 if (!inst.inline) {
558 var showAnim = $.datepicker._get(inst, 'showAnim') || 'show';
559 var duration = $.datepicker._get(inst, 'duration');
560 var postProcess = function() {
561 $.datepicker._datepickerShowing = true;
562 if ($.browser.msie && parseInt($.browser.version,10) < 7) // fix IE < 7 select problems
563 $('iframe.ui-datepicker-cover').css({width: inst.dpDiv.width() + 4,
564 height: inst.dpDiv.height() + 4});
565 };
566 if ($.effects && $.effects[showAnim])
567 inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
568 else
569 inst.dpDiv[showAnim](duration, postProcess);
570 if (duration == '')
571 postProcess();
572 if (inst.input[0].type != 'hidden')
573 inst.input[0].focus();
574 $.datepicker._curInst = inst;
575 }
576 },
577
578 /* Generate the date picker content. */
579 _updateDatepicker: function(inst) {
580 var dims = {width: inst.dpDiv.width() + 4,
581 height: inst.dpDiv.height() + 4};
582 var self = this;
583 inst.dpDiv.empty().append(this._generateHTML(inst))
584 .find('iframe.ui-datepicker-cover').
585 css({width: dims.width, height: dims.height})
586 .end()
587 .find('button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a')
588 .bind('mouseout', function(){
589 $(this).removeClass('ui-state-hover');
590 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
591 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover');
592 })
593 .bind('mouseover', function(){
594 if (!self._isDisabledDatepicker( inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
595 $(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
596 $(this).addClass('ui-state-hover');
597 if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
598 if(this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover');
599 }
600 })
601 .end()
602 .find('.' + this._dayOverClass + ' a')
603 .trigger('mouseover')
604 .end();
605 var numMonths = this._getNumberOfMonths(inst);
606 var cols = numMonths[1];
607 var width = 17;
608 if (cols > 1) {
609 inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
610 } else {
611 inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
612 }
613 inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
614 'Class']('ui-datepicker-multi');
615 inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
616 'Class']('ui-datepicker-rtl');
617 if (inst.input && inst.input[0].type != 'hidden' && inst == $.datepicker._curInst)
618 $(inst.input[0]).focus();
619 },
620
621 /* Check positioning to remain on screen. */
622 _checkOffset: function(inst, offset, isFixed) {
623 var dpWidth = inst.dpDiv.outerWidth();
624 var dpHeight = inst.dpDiv.outerHeight();
625 var inputWidth = inst.input ? inst.input.outerWidth() : 0;
626 var inputHeight = inst.input ? inst.input.outerHeight() : 0;
627 var viewWidth = (window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth) + $(document).scrollLeft();
628 var viewHeight = (window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight) + $(document).scrollTop();
629
630 offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
631 offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
632 offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
633
634 // now check if datepicker is showing outside window viewport - move to a better place if so.
635 offset.left -= (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ? Math.abs(offset.left + dpWidth - viewWidth) : 0;
636 offset.top -= (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ? Math.abs(offset.top + dpHeight + inputHeight*2 - viewHeight) : 0;
637
638 return offset;
639 },
640
641 /* Find an object's position on the screen. */
642 _findPos: function(obj) {
643 while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) {
644 obj = obj.nextSibling;
645 }
646 var position = $(obj).offset();
647 return [position.left, position.top];
648 },
649
650 /* Hide the date picker from view.
651 @param input element - the input field attached to the date picker
652 @param duration string - the duration over which to close the date picker */
653 _hideDatepicker: function(input, duration) {
654 var inst = this._curInst;
655 if (!inst || (input && inst != $.data(input, PROP_NAME)))
656 return;
657 if (inst.stayOpen)
658 this._selectDate('#' + inst.id, this._formatDate(inst,
659 inst.currentDay, inst.currentMonth, inst.currentYear));
660 inst.stayOpen = false;
661 if (this._datepickerShowing) {
662 duration = (duration != null ? duration : this._get(inst, 'duration'));
663 var showAnim = this._get(inst, 'showAnim');
664 var postProcess = function() {
665 $.datepicker._tidyDialog(inst);
666 };
667 if (duration != '' && $.effects && $.effects[showAnim])
668 inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'),
669 duration, postProcess);
670 else
671 inst.dpDiv[(duration == '' ? 'hide' : (showAnim == 'slideDown' ? 'slideUp' :
672 (showAnim == 'fadeIn' ? 'fadeOut' : 'hide')))](duration, postProcess);
673 if (duration == '')
674 this._tidyDialog(inst);
675 var onClose = this._get(inst, 'onClose');
676 if (onClose)
677 onClose.apply((inst.input ? inst.input[0] : null),
678 [(inst.input ? inst.input.val() : ''), inst]); // trigger custom callback
679 this._datepickerShowing = false;
680 this._lastInput = null;
681 if (this._inDialog) {
682 this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
683 if ($.blockUI) {
684 $.unblockUI();
685 $('body').append(this.dpDiv);
686 }
687 }
688 this._inDialog = false;
689 }
690 this._curInst = null;
691 },
692
693 /* Tidy up after a dialog display. */
694 _tidyDialog: function(inst) {
695 inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
696 },
697
698 /* Close date picker if clicked elsewhere. */
699 _checkExternalClick: function(event) {
700 if (!$.datepicker._curInst)
701 return;
702 var $target = $(event.target);
703 if (($target.parents('#' + $.datepicker._mainDivId).length == 0) &&
704 !$target.hasClass($.datepicker.markerClassName) &&
705 !$target.hasClass($.datepicker._triggerClass) &&
706 $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
707 $.datepicker._hideDatepicker(null, '');
708 },
709
710 /* Adjust one of the date sub-fields. */
711 _adjustDate: function(id, offset, period) {
712 var target = $(id);
713 var inst = this._getInst(target[0]);
714 if (this._isDisabledDatepicker(target[0])) {
715 return;
716 }
717 this._adjustInstDate(inst, offset +
718 (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
719 period);
720 this._updateDatepicker(inst);
721 },
722
723 /* Action for current link. */
724 _gotoToday: function(id) {
725 var target = $(id);
726 var inst = this._getInst(target[0]);
727 if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
728 inst.selectedDay = inst.currentDay;
729 inst.drawMonth = inst.selectedMonth = inst.currentMonth;
730 inst.drawYear = inst.selectedYear = inst.currentYear;
731 }
732 else {
733 var date = new Date();
734 inst.selectedDay = date.getDate();
735 inst.drawMonth = inst.selectedMonth = date.getMonth();
736 inst.drawYear = inst.selectedYear = date.getFullYear();
737 }
738 this._notifyChange(inst);
739 this._adjustDate(target);
740 },
741
742 /* Action for selecting a new month/year. */
743 _selectMonthYear: function(id, select, period) {
744 var target = $(id);
745 var inst = this._getInst(target[0]);
746 inst._selectingMonthYear = false;
747 inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
748 inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
749 parseInt(select.options[select.selectedIndex].value,10);
750 this._notifyChange(inst);
751 this._adjustDate(target);
752 },
753
754 /* Restore input focus after not changing month/year. */
755 _clickMonthYear: function(id) {
756 var target = $(id);
757 var inst = this._getInst(target[0]);
758 if (inst.input && inst._selectingMonthYear && !$.browser.msie)
759 inst.input[0].focus();
760 inst._selectingMonthYear = !inst._selectingMonthYear;
761 },
762
763 /* Action for selecting a day. */
764 _selectDay: function(id, month, year, td) {
765 var target = $(id);
766 if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
767 return;
768 }
769 var inst = this._getInst(target[0]);
770 inst.selectedDay = inst.currentDay = $('a', td).html();
771 inst.selectedMonth = inst.currentMonth = month;
772 inst.selectedYear = inst.currentYear = year;
773 if (inst.stayOpen) {
774 inst.endDay = inst.endMonth = inst.endYear = null;
775 }
776 this._selectDate(id, this._formatDate(inst,
777 inst.currentDay, inst.currentMonth, inst.currentYear));
778 if (inst.stayOpen) {
779 inst.rangeStart = this._daylightSavingAdjust(
780 new Date(inst.currentYear, inst.currentMonth, inst.currentDay));
781 this._updateDatepicker(inst);
782 }
783 },
784
785 /* Erase the input field and hide the date picker. */
786 _clearDate: function(id) {
787 var target = $(id);
788 var inst = this._getInst(target[0]);
789 inst.stayOpen = false;
790 inst.endDay = inst.endMonth = inst.endYear = inst.rangeStart = null;
791 this._selectDate(target, '');
792 },
793
794 /* Update the input field with the selected date. */
795 _selectDate: function(id, dateStr) {
796 var target = $(id);
797 var inst = this._getInst(target[0]);
798 dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
799 if (inst.input)
800 inst.input.val(dateStr);
801 this._updateAlternate(inst);
802 var onSelect = this._get(inst, 'onSelect');
803 if (onSelect)
804 onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
805 else if (inst.input)
806 inst.input.trigger('change'); // fire the change event
807 if (inst.inline)
808 this._updateDatepicker(inst);
809 else if (!inst.stayOpen) {
810 this._hideDatepicker(null, this._get(inst, 'duration'));
811 this._lastInput = inst.input[0];
812 if (typeof(inst.input[0]) != 'object')
813 inst.input[0].focus(); // restore focus
814 this._lastInput = null;
815 }
816 },
817
818 /* Update any alternate field to synchronise with the main field. */
819 _updateAlternate: function(inst) {
820 var altField = this._get(inst, 'altField');
821 if (altField) { // update alternate field too
822 var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
823 var date = this._getDate(inst);
824 dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
825 $(altField).each(function() { $(this).val(dateStr); });
826 }
827 },
828
829 /* Set as beforeShowDay function to prevent selection of weekends.
830 @param date Date - the date to customise
831 @return [boolean, string] - is this date selectable?, what is its CSS class? */
832 noWeekends: function(date) {
833 var day = date.getDay();
834 return [(day > 0 && day < 6), ''];
835 },
836
837 /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
838 @param date Date - the date to get the week for
839 @return number - the number of the week within the year that contains this date */
840 iso8601Week: function(date) {
841 var checkDate = new Date(date.getFullYear(), date.getMonth(), date.getDate());
842 var firstMon = new Date(checkDate.getFullYear(), 1 - 1, 4); // First week always contains 4 Jan
843 var firstDay = firstMon.getDay() || 7; // Day of week: Mon = 1, ..., Sun = 7
844 firstMon.setDate(firstMon.getDate() + 1 - firstDay); // Preceding Monday
845 if (firstDay < 4 && checkDate < firstMon) { // Adjust first three days in year if necessary
846 checkDate.setDate(checkDate.getDate() - 3); // Generate for previous year
847 return $.datepicker.iso8601Week(checkDate);
848 } else if (checkDate > new Date(checkDate.getFullYear(), 12 - 1, 28)) { // Check last three days in year
849 firstDay = new Date(checkDate.getFullYear() + 1, 1 - 1, 4).getDay() || 7;
850 if (firstDay > 4 && (checkDate.getDay() || 7) < firstDay - 3) { // Adjust if necessary
851 return 1;
852 }
853 }
854 return Math.floor(((checkDate - firstMon) / 86400000) / 7) + 1; // Weeks to given date
855 },
856
857 /* Parse a string value into a date object.
858 See formatDate below for the possible formats.
859
860 @param format string - the expected format of the date
861 @param value string - the date in the above format
862 @param settings Object - attributes include:
863 shortYearCutoff number - the cutoff year for determining the century (optional)
864 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
865 dayNames string[7] - names of the days from Sunday (optional)
866 monthNamesShort string[12] - abbreviated names of the months (optional)
867 monthNames string[12] - names of the months (optional)
868 @return Date - the extracted date value or null if value is blank */
869 parseDate: function (format, value, settings) {
870 if (format == null || value == null)
871 throw 'Invalid arguments';
872 value = (typeof value == 'object' ? value.toString() : value + '');
873 if (value == '')
874 return null;
875 var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
876 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
877 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
878 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
879 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
880 var year = -1;
881 var month = -1;
882 var day = -1;
883 var doy = -1;
884 var literal = false;
885 // Check whether a format character is doubled
886 var lookAhead = function(match) {
887 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
888 if (matches)
889 iFormat++;
890 return matches;
891 };
892 // Extract a number from the string value
893 var getNumber = function(match) {
894 lookAhead(match);
895 var origSize = (match == '@' ? 14 : (match == 'y' ? 4 : (match == 'o' ? 3 : 2)));
896 var size = origSize;
897 var num = 0;
898 while (size > 0 && iValue < value.length &&
899 value.charAt(iValue) >= '0' && value.charAt(iValue) <= '9') {
900 num = num * 10 + parseInt(value.charAt(iValue++),10);
901 size--;
902 }
903 if (size == origSize)
904 throw 'Missing number at position ' + iValue;
905 return num;
906 };
907 // Extract a name from the string value and convert to an index
908 var getName = function(match, shortNames, longNames) {
909 var names = (lookAhead(match) ? longNames : shortNames);
910 var size = 0;
911 for (var j = 0; j < names.length; j++)
912 size = Math.max(size, names[j].length);
913 var name = '';
914 var iInit = iValue;
915 while (size > 0 && iValue < value.length) {
916 name += value.charAt(iValue++);
917 for (var i = 0; i < names.length; i++)
918 if (name == names[i])
919 return i + 1;
920 size--;
921 }
922 throw 'Unknown name at position ' + iInit;
923 };
924 // Confirm that a literal character matches the string value
925 var checkLiteral = function() {
926 if (value.charAt(iValue) != format.charAt(iFormat))
927 throw 'Unexpected literal at position ' + iValue;
928 iValue++;
929 };
930 var iValue = 0;
931 for (var iFormat = 0; iFormat < format.length; iFormat++) {
932 if (literal)
933 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
934 literal = false;
935 else
936 checkLiteral();
937 else
938 switch (format.charAt(iFormat)) {
939 case 'd':
940 day = getNumber('d');
941 break;
942 case 'D':
943 getName('D', dayNamesShort, dayNames);
944 break;
945 case 'o':
946 doy = getNumber('o');
947 break;
948 case 'm':
949 month = getNumber('m');
950 break;
951 case 'M':
952 month = getName('M', monthNamesShort, monthNames);
953 break;
954 case 'y':
955 year = getNumber('y');
956 break;
957 case '@':
958 var date = new Date(getNumber('@'));
959 year = date.getFullYear();
960 month = date.getMonth() + 1;
961 day = date.getDate();
962 break;
963 case "'":
964 if (lookAhead("'"))
965 checkLiteral();
966 else
967 literal = true;
968 break;
969 default:
970 checkLiteral();
971 }
972 }
973 if (year == -1)
974 year = new Date().getFullYear();
975 else if (year < 100)
976 year += new Date().getFullYear() - new Date().getFullYear() % 100 +
977 (year <= shortYearCutoff ? 0 : -100);
978 if (doy > -1) {
979 month = 1;
980 day = doy;
981 do {
982 var dim = this._getDaysInMonth(year, month - 1);
983 if (day <= dim)
984 break;
985 month++;
986 day -= dim;
987 } while (true);
988 }
989 var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
990 if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
991 throw 'Invalid date'; // E.g. 31/02/*
992 return date;
993 },
994
995 /* Standard date formats. */
996 ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
997 COOKIE: 'D, dd M yy',
998 ISO_8601: 'yy-mm-dd',
999 RFC_822: 'D, d M y',
1000 RFC_850: 'DD, dd-M-y',
1001 RFC_1036: 'D, d M y',
1002 RFC_1123: 'D, d M yy',
1003 RFC_2822: 'D, d M yy',
1004 RSS: 'D, d M y', // RFC 822
1005 TIMESTAMP: '@',
1006 W3C: 'yy-mm-dd', // ISO 8601
1007
1008 /* Format a date object into a string value.
1009 The format can be combinations of the following:
1010 d - day of month (no leading zero)
1011 dd - day of month (two digit)
1012 o - day of year (no leading zeros)
1013 oo - day of year (three digit)
1014 D - day name short
1015 DD - day name long
1016 m - month of year (no leading zero)
1017 mm - month of year (two digit)
1018 M - month name short
1019 MM - month name long
1020 y - year (two digit)
1021 yy - year (four digit)
1022 @ - Unix timestamp (ms since 01/01/1970)
1023 '...' - literal text
1024 '' - single quote
1025
1026 @param format string - the desired format of the date
1027 @param date Date - the date value to format
1028 @param settings Object - attributes include:
1029 dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1030 dayNames string[7] - names of the days from Sunday (optional)
1031 monthNamesShort string[12] - abbreviated names of the months (optional)
1032 monthNames string[12] - names of the months (optional)
1033 @return string - the date in the above format */
1034 formatDate: function (format, date, settings) {
1035 if (!date)
1036 return '';
1037 var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
1038 var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
1039 var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
1040 var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
1041 // Check whether a format character is doubled
1042 var lookAhead = function(match) {
1043 var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1044 if (matches)
1045 iFormat++;
1046 return matches;
1047 };
1048 // Format a number, with leading zero if necessary
1049 var formatNumber = function(match, value, len) {
1050 var num = '' + value;
1051 if (lookAhead(match))
1052 while (num.length < len)
1053 num = '0' + num;
1054 return num;
1055 };
1056 // Format a name, short or long as requested
1057 var formatName = function(match, value, shortNames, longNames) {
1058 return (lookAhead(match) ? longNames[value] : shortNames[value]);
1059 };
1060 var output = '';
1061 var literal = false;
1062 if (date)
1063 for (var iFormat = 0; iFormat < format.length; iFormat++) {
1064 if (literal)
1065 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1066 literal = false;
1067 else
1068 output += format.charAt(iFormat);
1069 else
1070 switch (format.charAt(iFormat)) {
1071 case 'd':
1072 output += formatNumber('d', date.getDate(), 2);
1073 break;
1074 case 'D':
1075 output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1076 break;
1077 case 'o':
1078 var doy = date.getDate();
1079 for (var m = date.getMonth() - 1; m >= 0; m--)
1080 doy += this._getDaysInMonth(date.getFullYear(), m);
1081 output += formatNumber('o', doy, 3);
1082 break;
1083 case 'm':
1084 output += formatNumber('m', date.getMonth() + 1, 2);
1085 break;
1086 case 'M':
1087 output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1088 break;
1089 case 'y':
1090 output += (lookAhead('y') ? date.getFullYear() :
1091 (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1092 break;
1093 case '@':
1094 output += date.getTime();
1095 break;
1096 case "'":
1097 if (lookAhead("'"))
1098 output += "'";
1099 else
1100 literal = true;
1101 break;
1102 default:
1103 output += format.charAt(iFormat);
1104 }
1105 }
1106 return output;
1107 },
1108
1109 /* Extract all possible characters from the date format. */
1110 _possibleChars: function (format) {
1111 var chars = '';
1112 var literal = false;
1113 for (var iFormat = 0; iFormat < format.length; iFormat++)
1114 if (literal)
1115 if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1116 literal = false;
1117 else
1118 chars += format.charAt(iFormat);
1119 else
1120 switch (format.charAt(iFormat)) {
1121 case 'd': case 'm': case 'y': case '@':
1122 chars += '0123456789';
1123 break;
1124 case 'D': case 'M':
1125 return null; // Accept anything
1126 case "'":
1127 if (lookAhead("'"))
1128 chars += "'";
1129 else
1130 literal = true;
1131 break;
1132 default:
1133 chars += format.charAt(iFormat);
1134 }
1135 return chars;
1136 },
1137
1138 /* Get a setting value, defaulting if necessary. */
1139 _get: function(inst, name) {
1140 return inst.settings[name] !== undefined ?
1141 inst.settings[name] : this._defaults[name];
1142 },
1143
1144 /* Parse existing date and initialise date picker. */
1145 _setDateFromField: function(inst) {
1146 var dateFormat = this._get(inst, 'dateFormat');
1147 var dates = inst.input ? inst.input.val() : null;
1148 inst.endDay = inst.endMonth = inst.endYear = null;
1149 var date = defaultDate = this._getDefaultDate(inst);
1150 var settings = this._getFormatConfig(inst);
1151 try {
1152 date = this.parseDate(dateFormat, dates, settings) || defaultDate;
1153 } catch (event) {
1154 this.log(event);
1155 date = defaultDate;
1156 }
1157 inst.selectedDay = date.getDate();
1158 inst.drawMonth = inst.selectedMonth = date.getMonth();
1159 inst.drawYear = inst.selectedYear = date.getFullYear();
1160 inst.currentDay = (dates ? date.getDate() : 0);
1161 inst.currentMonth = (dates ? date.getMonth() : 0);
1162 inst.currentYear = (dates ? date.getFullYear() : 0);
1163 this._adjustInstDate(inst);
1164 },
1165
1166 /* Retrieve the default date shown on opening. */
1167 _getDefaultDate: function(inst) {
1168 var date = this._determineDate(this._get(inst, 'defaultDate'), new Date());
1169 var minDate = this._getMinMaxDate(inst, 'min', true);
1170 var maxDate = this._getMinMaxDate(inst, 'max');
1171 date = (minDate && date < minDate ? minDate : date);
1172 date = (maxDate && date > maxDate ? maxDate : date);
1173 return date;
1174 },
1175
1176 /* A date may be specified as an exact value or a relative one. */
1177 _determineDate: function(date, defaultDate) {
1178 var offsetNumeric = function(offset) {
1179 var date = new Date();
1180 date.setDate(date.getDate() + offset);
1181 return date;
1182 };
1183 var offsetString = function(offset, getDaysInMonth) {
1184 var date = new Date();
1185 var year = date.getFullYear();
1186 var month = date.getMonth();
1187 var day = date.getDate();
1188 var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
1189 var matches = pattern.exec(offset);
1190 while (matches) {
1191 switch (matches[2] || 'd') {
1192 case 'd' : case 'D' :
1193 day += parseInt(matches[1],10); break;
1194 case 'w' : case 'W' :
1195 day += parseInt(matches[1],10) * 7; break;
1196 case 'm' : case 'M' :
1197 month += parseInt(matches[1],10);
1198 day = Math.min(day, getDaysInMonth(year, month));
1199 break;
1200 case 'y': case 'Y' :
1201 year += parseInt(matches[1],10);
1202 day = Math.min(day, getDaysInMonth(year, month));
1203 break;
1204 }
1205 matches = pattern.exec(offset);
1206 }
1207 return new Date(year, month, day);
1208 };
1209 date = (date == null ? defaultDate :
1210 (typeof date == 'string' ? offsetString(date, this._getDaysInMonth) :
1211 (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date)));
1212 date = (date && date.toString() == 'Invalid Date' ? defaultDate : date);
1213 if (date) {
1214 date.setHours(0);
1215 date.setMinutes(0);
1216 date.setSeconds(0);
1217 date.setMilliseconds(0);
1218 }
1219 return this._daylightSavingAdjust(date);
1220 },
1221
1222 /* Handle switch to/from daylight saving.
1223 Hours may be non-zero on daylight saving cut-over:
1224 > 12 when midnight changeover, but then cannot generate
1225 midnight datetime, so jump to 1AM, otherwise reset.
1226 @param date (Date) the date to check
1227 @return (Date) the corrected date */
1228 _daylightSavingAdjust: function(date) {
1229 if (!date) return null;
1230 date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1231 return date;
1232 },
1233
1234 /* Set the date(s) directly. */
1235 _setDate: function(inst, date, endDate) {
1236 var clear = !(date);
1237 var origMonth = inst.selectedMonth;
1238 var origYear = inst.selectedYear;
1239 date = this._determineDate(date, new Date());
1240 inst.selectedDay = inst.currentDay = date.getDate();
1241 inst.drawMonth = inst.selectedMonth = inst.currentMonth = date.getMonth();
1242 inst.drawYear = inst.selectedYear = inst.currentYear = date.getFullYear();
1243 if (origMonth != inst.selectedMonth || origYear != inst.selectedYear)
1244 this._notifyChange(inst);
1245 this._adjustInstDate(inst);
1246 if (inst.input) {
1247 inst.input.val(clear ? '' : this._formatDate(inst));
1248 }
1249 },
1250
1251 /* Retrieve the date(s) directly. */
1252 _getDate: function(inst) {
1253 var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null :
1254 this._daylightSavingAdjust(new Date(
1255 inst.currentYear, inst.currentMonth, inst.currentDay)));
1256 return startDate;
1257 },
1258
1259 /* Generate the HTML for the current state of the date picker. */
1260 _generateHTML: function(inst) {
1261 var today = new Date();
1262 today = this._daylightSavingAdjust(
1263 new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1264 var isRTL = this._get(inst, 'isRTL');
1265 var showButtonPanel = this._get(inst, 'showButtonPanel');
1266 var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1267 var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1268 var numMonths = this._getNumberOfMonths(inst);
1269 var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1270 var stepMonths = this._get(inst, 'stepMonths');
1271 var stepBigMonths = this._get(inst, 'stepBigMonths');
1272 var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
1273 var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1274 new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1275 var minDate = this._getMinMaxDate(inst, 'min', true);
1276 var maxDate = this._getMinMaxDate(inst, 'max');
1277 var drawMonth = inst.drawMonth - showCurrentAtPos;
1278 var drawYear = inst.drawYear;
1279 if (drawMonth < 0) {
1280 drawMonth += 12;
1281 drawYear--;
1282 }
1283 if (maxDate) {
1284 var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1285 maxDate.getMonth() - numMonths[1] + 1, maxDate.getDate()));
1286 maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1287 while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1288 drawMonth--;
1289 if (drawMonth < 0) {
1290 drawMonth = 11;
1291 drawYear--;
1292 }
1293 }
1294 }
1295 inst.drawMonth = drawMonth;
1296 inst.drawYear = drawYear;
1297 var prevText = this._get(inst, 'prevText');
1298 prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1299 this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1300 this._getFormatConfig(inst)));
1301 var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1302 '<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
1303 ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1304 (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>'));
1305 var nextText = this._get(inst, 'nextText');
1306 nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1307 this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1308 this._getFormatConfig(inst)));
1309 var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1310 '<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
1311 ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1312 (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>'));
1313 var currentText = this._get(inst, 'currentText');
1314 var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1315 currentText = (!navigationAsDateFormat ? currentText :
1316 this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1317 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>' : '');
1318 var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1319 (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 + '\');"' +
1320 '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1321 var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1322 firstDay = (isNaN(firstDay) ? 0 : firstDay);
1323 var dayNames = this._get(inst, 'dayNames');
1324 var dayNamesShort = this._get(inst, 'dayNamesShort');
1325 var dayNamesMin = this._get(inst, 'dayNamesMin');
1326 var monthNames = this._get(inst, 'monthNames');
1327 var monthNamesShort = this._get(inst, 'monthNamesShort');
1328 var beforeShowDay = this._get(inst, 'beforeShowDay');
1329 var showOtherMonths = this._get(inst, 'showOtherMonths');
1330 var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
1331 var endDate = inst.endDay ? this._daylightSavingAdjust(
1332 new Date(inst.endYear, inst.endMonth, inst.endDay)) : currentDate;
1333 var defaultDate = this._getDefaultDate(inst);
1334 var html = '';
1335 for (var row = 0; row < numMonths[0]; row++) {
1336 var group = '';
1337 for (var col = 0; col < numMonths[1]; col++) {
1338 var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1339 var cornerClass = ' ui-corner-all';
1340 var calender = '';
1341 if (isMultiMonth) {
1342 calender += '<div class="ui-datepicker-group ui-datepicker-group-';
1343 switch (col) {
1344 case 0: calender += 'first'; cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1345 case numMonths[1]-1: calender += 'last'; cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1346 default: calender += 'middle'; cornerClass = ''; break;
1347 }
1348 calender += '">';
1349 }
1350 calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1351 (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1352 (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1353 this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1354 selectedDate, row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
1355 '</div><table class="ui-datepicker-calendar"><thead>' +
1356 '<tr>';
1357 var thead = '';
1358 for (var dow = 0; dow < 7; dow++) { // days of the week
1359 var day = (dow + firstDay) % 7;
1360 thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1361 '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1362 }
1363 calender += thead + '</tr></thead><tbody>';
1364 var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1365 if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1366 inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1367 var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1368 var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
1369 var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1370 for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1371 calender += '<tr>';
1372 var tbody = '';
1373 for (var dow = 0; dow < 7; dow++) { // create date picker days
1374 var daySettings = (beforeShowDay ?
1375 beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1376 var otherMonth = (printDate.getMonth() != drawMonth);
1377 var unselectable = otherMonth || !daySettings[0] ||
1378 (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
1379 tbody += '<td class="' +
1380 ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1381 (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1382 ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
1383 (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1384 // or defaultDate is current printedDate and defaultDate is selectedDate
1385 ' ' + this._dayOverClass : '') + // highlight selected day
1386 (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1387 (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1388 (printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
1389 ' ' + this._currentClass : '') + // highlight selected day
1390 (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1391 ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1392 (unselectable ? '' : ' onclick="DP_jQuery.datepicker._selectDay(\'#' +
1393 inst.id + '\',' + drawMonth + ',' + drawYear + ', this);return false;"') + '>' + // actions
1394 (otherMonth ? (showOtherMonths ? printDate.getDate() : '&#xa0;') : // display for other months
1395 (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1396 (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1397 (printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
1398 ' ui-state-active' : '') + // highlight selected day
1399 '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display for this month
1400 printDate.setDate(printDate.getDate() + 1);
1401 printDate = this._daylightSavingAdjust(printDate);
1402 }
1403 calender += tbody + '</tr>';
1404 }
1405 drawMonth++;
1406 if (drawMonth > 11) {
1407 drawMonth = 0;
1408 drawYear++;
1409 }
1410 calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1411 ((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1412 group += calender;
1413 }
1414 html += group;
1415 }
1416 html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1417 '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1418 inst._keyEvent = false;
1419 return html;
1420 },
1421
1422 /* Generate the month and year header. */
1423 _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1424 selectedDate, secondary, monthNames, monthNamesShort) {
1425 minDate = (inst.rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate);
1426 var changeMonth = this._get(inst, 'changeMonth');
1427 var changeYear = this._get(inst, 'changeYear');
1428 var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1429 var html = '<div class="ui-datepicker-title">';
1430 var monthHtml = '';
1431 // month selection
1432 if (secondary || !changeMonth)
1433 monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span> ';
1434 else {
1435 var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1436 var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1437 monthHtml += '<select class="ui-datepicker-month" ' +
1438 'onchange="DP_jQuery.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
1439 'onclick="DP_jQuery.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1440 '>';
1441 for (var month = 0; month < 12; month++) {
1442 if ((!inMinYear || month >= minDate.getMonth()) &&
1443 (!inMaxYear || month <= maxDate.getMonth()))
1444 monthHtml += '<option value="' + month + '"' +
1445 (month == drawMonth ? ' selected="selected"' : '') +
1446 '>' + monthNamesShort[month] + '</option>';
1447 }
1448 monthHtml += '</select>';
1449 }
1450 if (!showMonthAfterYear)
1451 html += monthHtml + ((secondary || changeMonth || changeYear) && (!(changeMonth && changeYear)) ? '&#xa0;' : '');
1452 // year selection
1453 if (secondary || !changeYear)
1454 html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1455 else {
1456 // determine range of years to display
1457 var years = this._get(inst, 'yearRange').split(':');
1458 var year = 0;
1459 var endYear = 0;
1460 if (years.length != 2) {
1461 year = drawYear - 10;
1462 endYear = drawYear + 10;
1463 } else if (years[0].charAt(0) == '+' || years[0].charAt(0) == '-') {
1464 year = drawYear + parseInt(years[0], 10);
1465 endYear = drawYear + parseInt(years[1], 10);
1466 } else {
1467 year = parseInt(years[0], 10);
1468 endYear = parseInt(years[1], 10);
1469 }
1470 year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1471 endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1472 html += '<select class="ui-datepicker-year" ' +
1473 'onchange="DP_jQuery.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
1474 'onclick="DP_jQuery.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1475 '>';
1476 for (; year <= endYear; year++) {
1477 html += '<option value="' + year + '"' +
1478 (year == drawYear ? ' selected="selected"' : '') +
1479 '>' + year + '</option>';
1480 }
1481 html += '</select>';
1482 }
1483 if (showMonthAfterYear)
1484 html += (secondary || changeMonth || changeYear ? '&#xa0;' : '') + monthHtml;
1485 html += '</div>'; // Close datepicker_header
1486 return html;
1487 },
1488
1489 /* Adjust one of the date sub-fields. */
1490 _adjustInstDate: function(inst, offset, period) {
1491 var year = inst.drawYear + (period == 'Y' ? offset : 0);
1492 var month = inst.drawMonth + (period == 'M' ? offset : 0);
1493 var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1494 (period == 'D' ? offset : 0);
1495 var date = this._daylightSavingAdjust(new Date(year, month, day));
1496 // ensure it is within the bounds set
1497 var minDate = this._getMinMaxDate(inst, 'min', true);
1498 var maxDate = this._getMinMaxDate(inst, 'max');
1499 date = (minDate && date < minDate ? minDate : date);
1500 date = (maxDate && date > maxDate ? maxDate : date);
1501 inst.selectedDay = date.getDate();
1502 inst.drawMonth = inst.selectedMonth = date.getMonth();
1503 inst.drawYear = inst.selectedYear = date.getFullYear();
1504 if (period == 'M' || period == 'Y')
1505 this._notifyChange(inst);
1506 },
1507
1508 /* Notify change of month/year. */
1509 _notifyChange: function(inst) {
1510 var onChange = this._get(inst, 'onChangeMonthYear');
1511 if (onChange)
1512 onChange.apply((inst.input ? inst.input[0] : null),
1513 [inst.selectedYear, inst.selectedMonth + 1, inst]);
1514 },
1515
1516 /* Determine the number of months to show. */
1517 _getNumberOfMonths: function(inst) {
1518 var numMonths = this._get(inst, 'numberOfMonths');
1519 return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1520 },
1521
1522 /* Determine the current maximum date - ensure no time components are set - may be overridden for a range. */
1523 _getMinMaxDate: function(inst, minMax, checkRange) {
1524 var date = this._determineDate(this._get(inst, minMax + 'Date'), null);
1525 return (!checkRange || !inst.rangeStart ? date :
1526 (!date || inst.rangeStart > date ? inst.rangeStart : date));
1527 },
1528
1529 /* Find the number of days in a given month. */
1530 _getDaysInMonth: function(year, month) {
1531 return 32 - new Date(year, month, 32).getDate();
1532 },
1533
1534 /* Find the day of the week of the first of a month. */
1535 _getFirstDayOfMonth: function(year, month) {
1536 return new Date(year, month, 1).getDay();
1537 },
1538
1539 /* Determines if we should allow a "next/prev" month display change. */
1540 _canAdjustMonth: function(inst, offset, curYear, curMonth) {
1541 var numMonths = this._getNumberOfMonths(inst);
1542 var date = this._daylightSavingAdjust(new Date(
1543 curYear, curMonth + (offset < 0 ? offset : numMonths[1]), 1));
1544 if (offset < 0)
1545 date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1546 return this._isInRange(inst, date);
1547 },
1548
1549 /* Is the given date in the accepted range? */
1550 _isInRange: function(inst, date) {
1551 // during range selection, use minimum of selected date and range start
1552 var newMinDate = (!inst.rangeStart ? null : this._daylightSavingAdjust(
1553 new Date(inst.selectedYear, inst.selectedMonth, inst.selectedDay)));
1554 newMinDate = (newMinDate && inst.rangeStart < newMinDate ? inst.rangeStart : newMinDate);
1555 var minDate = newMinDate || this._getMinMaxDate(inst, 'min');
1556 var maxDate = this._getMinMaxDate(inst, 'max');
1557 return ((!minDate || date >= minDate) && (!maxDate || date <= maxDate));
1558 },
1559
1560 /* Provide the configuration settings for formatting/parsing. */
1561 _getFormatConfig: function(inst) {
1562 var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1563 shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1564 new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1565 return {shortYearCutoff: shortYearCutoff,
1566 dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1567 monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1568 },
1569
1570 /* Format the given date for display. */
1571 _formatDate: function(inst, day, month, year) {
1572 if (!day) {
1573 inst.currentDay = inst.selectedDay;
1574 inst.currentMonth = inst.selectedMonth;
1575 inst.currentYear = inst.selectedYear;
1576 }
1577 var date = (day ? (typeof day == 'object' ? day :
1578 this._daylightSavingAdjust(new Date(year, month, day))) :
1579 this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1580 return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1581 }
1582});
1583
1584/* jQuery extend now ignores nulls! */
1585function extendRemove(target, props) {
1586 $.extend(target, props);
1587 for (var name in props)
1588 if (props[name] == null || props[name] == undefined)
1589 target[name] = props[name];
1590 return target;
1591};
1592
1593/* Determine whether an object is an array. */
1594function isArray(a) {
1595 return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
1596 (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1597};
1598
1599/* Invoke the datepicker functionality.
1600 @param options string - a command, optionally followed by additional parameters or
1601 Object - settings for attaching new datepicker functionality
1602 @return jQuery object */
1603$.fn.datepicker = function(options){
1604
1605 /* Initialise the date picker. */
1606 if (!$.datepicker.initialized) {
1607 $(document).mousedown($.datepicker._checkExternalClick).
1608 find('body').append($.datepicker.dpDiv);
1609 $.datepicker.initialized = true;
1610 }
1611
1612 var otherArgs = Array.prototype.slice.call(arguments, 1);
1613 if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate'))
1614 return $.datepicker['_' + options + 'Datepicker'].
1615 apply($.datepicker, [this[0]].concat(otherArgs));
1616 if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
1617 return $.datepicker['_' + options + 'Datepicker'].
1618 apply($.datepicker, [this[0]].concat(otherArgs));
1619 return this.each(function() {
1620 typeof options == 'string' ?
1621 $.datepicker['_' + options + 'Datepicker'].
1622 apply($.datepicker, [this].concat(otherArgs)) :
1623 $.datepicker._attachDatepicker(this, options);
1624 });
1625};
1626
1627$.datepicker = new Datepicker(); // singleton instance
1628$.datepicker.initialized = false;
1629$.datepicker.uuid = new Date().getTime();
1630$.datepicker.version = "1.7.2";
1631
1632// Workaround for #4055
1633// Add another global to avoid noConflict issues with inline event handlers
1634window.DP_jQuery = $;
1635
1636})(jQuery);
© 2015 Mike Crute