forked from fairy0815/jQuery-UI-Monthpicker-Quarterpicker
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathjquery.ui.datepicker.js
1823 lines (1732 loc) · 74.5 KB
/
jquery.ui.datepicker.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* jQuery UI Datepicker 1.8.16
*
* Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Datepicker
*
* Depends:
* jquery.ui.core.js
*/
(function( $, undefined ) {
$.extend($.ui, { datepicker: { version: "1.8.16" } });
var PROP_NAME = 'datepicker';
var dpuuid = new Date().getTime();
var instActive;
/* Date picker manager.
Use the singleton instance of this class, $.datepicker, to interact with the date picker.
Settings for (groups of) date pickers are maintained in an instance object,
allowing multiple different settings on the same page. */
function Datepicker() {
this.debug = false; // Change this to true to start debugging
this._curInst = null; // The current instance in use
this._keyEvent = false; // If the last event was a key event
this._disabledInputs = []; // List of date picker inputs that have been disabled
this._datepickerShowing = false; // True if the popup picker is showing , false if not
this._inDialog = false; // True if showing within a "dialog", false if not
this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
this.regional = []; // Available regional settings, indexed by language code
this.regional[''] = { // Default regional settings
closeText: 'Done', // Display text for close link
prevText: 'Prev', // Display text for previous month link
nextText: 'Next', // Display text for next month link
currentText: 'Today', // Display text for current month link
monthNames: ['January','February','March','April','May','June',
'July','August','September','October','November','December'], // Names of months for drop-down and formatting
monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
weekHeader: 'Wk', // Column header for week of the year
dateFormat: 'mm/dd/yy', // See format options on parseDate
firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
isRTL: false, // True if right-to-left language, false if left-to-right
showMonthAfterYear: false, // True if the year select precedes month, false for month then year
yearSuffix: '' // Additional text to append to the year in the month headers
};
this._defaults = { // Global defaults for all the date picker instances
showOn: 'focus', // 'focus' for popup on focus,
// 'button' for trigger button, or 'both' for either
showAnim: 'fadeIn', // Name of jQuery animation for popup
showOptions: {}, // Options for enhanced animations
defaultDate: null, // Used when field is blank: actual date,
// +/-number for offset from today, null for today
appendText: '', // Display text following the input box, e.g. showing the format
buttonText: '...', // Text for trigger button
buttonImage: '', // URL for trigger button image
buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
hideIfNoPrevNext: false, // True to hide next/previous month links
// if not applicable, false to just disable them
navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
gotoCurrent: false, // True if today link goes back to current selection instead
changeMonth: false, // True if month can be selected directly, false if only prev/next
changeYear: false, // True if year can be selected directly, false if only prev/next
yearRange: 'c-10:c+10', // Range of years to display in drop-down,
// either relative to today's year (-nn:+nn), relative to currently displayed year
// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
showOtherMonths: false, // True to show dates in other months, false to leave blank
selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
showWeek: false, // True to show week of the year, false to not show it
calculateWeek: this.iso8601Week, // How to calculate the week of the year,
// takes a Date and returns the number of the week for it
shortYearCutoff: '+10', // Short year values < this are in the current century,
// > this are in the previous century,
// string value starting with '+' for current year + value
minDate: null, // The earliest selectable date, or null for no limit
maxDate: null, // The latest selectable date, or null for no limit
duration: 'fast', // Duration of display/closure
beforeShowDay: null, // Function that takes a date and returns an array with
// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
// [2] = cell title (optional), e.g. $.datepicker.noWeekends
beforeShow: null, // Function that takes an input field and
// returns a set of custom settings for the date picker
onSelect: null, // Define a callback function when a date is selected
onChangeMonthYear: null, // Define a callback function when the month or year is changed
onClose: null, // Define a callback function when the datepicker is closed
numberOfMonths: 1, // Number of months to show at a time
showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
stepMonths: 1, // Number of months to step back/forward
stepBigMonths: 12, // Number of months to step back/forward for the big links
altField: '', // Selector for an alternate field to store selected dates into
altFormat: '', // The date format to use for the alternate field
constrainInput: true, // The input is constrained by the current date format
showButtonPanel: false, // True to show button panel, false to not show it
autoSize: false, // True to size the input for the date format, false to leave as is
disabled: false // The initial disabled state
};
$.extend(this._defaults, this.regional['']);
this.dpDiv = bindHover($('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'));
}
$.extend(Datepicker.prototype, {
/* Class name added to elements to indicate already configured with a date picker. */
markerClassName: 'hasDatepicker',
//Keep track of the maximum number of rows displayed (see #7043)
maxRows: 4,
/* Debug logging (if enabled). */
log: function () {
if (this.debug)
console.log.apply('', arguments);
},
// TODO rename to "widget" when switching to widget factory
_widgetDatepicker: function() {
return this.dpDiv;
},
/* Override the default settings for all instances of the date picker.
@param settings object - the new settings to use as defaults (anonymous object)
@return the manager object */
setDefaults: function(settings) {
extendRemove(this._defaults, settings || {});
return this;
},
/* Attach the date picker to a jQuery selection.
@param target element - the target input field or division or span
@param settings object - the new settings to use for this date picker instance (anonymous) */
_attachDatepicker: function(target, settings) {
// check for settings on the control itself - in namespace 'date:'
var inlineSettings = null;
for (var attrName in this._defaults) {
var attrValue = target.getAttribute('date:' + attrName);
if (attrValue) {
inlineSettings = inlineSettings || {};
try {
inlineSettings[attrName] = eval(attrValue);
} catch (err) {
inlineSettings[attrName] = attrValue;
}
}
}
var nodeName = target.nodeName.toLowerCase();
var inline = (nodeName == 'div' || nodeName == 'span');
if (!target.id) {
this.uuid += 1;
target.id = 'dp' + this.uuid;
}
var inst = this._newInst($(target), inline);
inst.settings = $.extend({}, settings || {}, inlineSettings || {});
if (nodeName == 'input') {
this._connectDatepicker(target, inst);
} else if (inline) {
this._inlineDatepicker(target, inst);
}
},
/* Create a new instance object. */
_newInst: function(target, inline) {
var id = target[0].id.replace(/([^A-Za-z0-9_-])/g, '\\\\$1'); // escape jQuery meta chars
return {id: id, input: target, // associated target
selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
drawMonth: 0, drawYear: 0, // month being drawn
inline: inline, // is datepicker inline or not
dpDiv: (!inline ? this.dpDiv : // presentation div
bindHover($('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>')))};
},
/* Attach the date picker to an input field. */
_connectDatepicker: function(target, inst) {
var input = $(target);
inst.append = $([]);
inst.trigger = $([]);
if (input.hasClass(this.markerClassName))
return;
this._attachments(input, inst);
input.addClass(this.markerClassName).keydown(this._doKeyDown).
keypress(this._doKeyPress).keyup(this._doKeyUp).
bind("setData.datepicker", function(event, key, value) {
inst.settings[key] = value;
}).bind("getData.datepicker", function(event, key) {
return this._get(inst, key);
});
this._autoSize(inst);
$.data(target, PROP_NAME, inst);
//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
if( inst.settings.disabled ) {
this._disableDatepicker( target );
}
},
/* Make attachments based on settings. */
_attachments: function(input, inst) {
var appendText = this._get(inst, 'appendText');
var isRTL = this._get(inst, 'isRTL');
if (inst.append)
inst.append.remove();
if (appendText) {
inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
input[isRTL ? 'before' : 'after'](inst.append);
}
input.unbind('focus', this._showDatepicker);
if (inst.trigger)
inst.trigger.remove();
var showOn = this._get(inst, 'showOn');
if (showOn == 'focus' || showOn == 'both') // pop-up date picker when in the marked field
input.focus(this._showDatepicker);
if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
var buttonText = this._get(inst, 'buttonText');
var buttonImage = this._get(inst, 'buttonImage');
inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
$('<img/>').addClass(this._triggerClass).
attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
$('<button type="button"></button>').addClass(this._triggerClass).
html(buttonImage == '' ? buttonText : $('<img/>').attr(
{ src:buttonImage, alt:buttonText, title:buttonText })));
input[isRTL ? 'before' : 'after'](inst.trigger);
inst.trigger.click(function() {
if ($.datepicker._datepickerShowing && $.datepicker._lastInput == input[0])
$.datepicker._hideDatepicker();
else
$.datepicker._showDatepicker(input[0]);
return false;
});
}
},
/* Apply the maximum length for the date format. */
_autoSize: function(inst) {
if (this._get(inst, 'autoSize') && !inst.inline) {
var date = new Date(2009, 12 - 1, 20); // Ensure double digits
var dateFormat = this._get(inst, 'dateFormat');
if (dateFormat.match(/[DM]/)) {
var findMax = function(names) {
var max = 0;
var maxI = 0;
for (var i = 0; i < names.length; i++) {
if (names[i].length > max) {
max = names[i].length;
maxI = i;
}
}
return maxI;
};
date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
'monthNames' : 'monthNamesShort'))));
date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
}
inst.input.attr('size', this._formatDate(inst, date).length);
}
},
/* Attach an inline date picker to a div. */
_inlineDatepicker: function(target, inst) {
var divSpan = $(target);
if (divSpan.hasClass(this.markerClassName))
return;
divSpan.addClass(this.markerClassName).append(inst.dpDiv).
bind("setData.datepicker", function(event, key, value){
inst.settings[key] = value;
}).bind("getData.datepicker", function(event, key){
return this._get(inst, key);
});
$.data(target, PROP_NAME, inst);
this._setDate(inst, this._getDefaultDate(inst), true);
this._updateDatepicker(inst);
this._updateAlternate(inst);
//If disabled option is true, disable the datepicker before showing it (see ticket #5665)
if( inst.settings.disabled ) {
this._disableDatepicker( target );
}
// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
inst.dpDiv.css( "display", "block" );
},
/* Pop-up the date picker in a "dialog" box.
@param input element - ignored
@param date string or Date - the initial date to display
@param onSelect function - the function to call when a date is selected
@param settings object - update the dialog date picker instance's settings (anonymous object)
@param pos int[2] - coordinates for the dialog's position within the screen or
event - with x/y coordinates or
leave empty for default (screen centre)
@return the manager object */
_dialogDatepicker: function(input, date, onSelect, settings, pos) {
var inst = this._dialogInst; // internal instance
if (!inst) {
this.uuid += 1;
var id = 'dp' + this.uuid;
this._dialogInput = $('<input type="text" id="' + id +
'" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>');
this._dialogInput.keydown(this._doKeyDown);
$('body').append(this._dialogInput);
inst = this._dialogInst = this._newInst(this._dialogInput, false);
inst.settings = {};
$.data(this._dialogInput[0], PROP_NAME, inst);
}
extendRemove(inst.settings, settings || {});
date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
this._dialogInput.val(date);
this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
if (!this._pos) {
var browserWidth = document.documentElement.clientWidth;
var browserHeight = document.documentElement.clientHeight;
var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
this._pos = // should use actual width/height below
[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
}
// move input on screen for focus, but hidden behind dialog
this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
inst.settings.onSelect = onSelect;
this._inDialog = true;
this.dpDiv.addClass(this._dialogClass);
this._showDatepicker(this._dialogInput[0]);
if ($.blockUI)
$.blockUI(this.dpDiv);
$.data(this._dialogInput[0], PROP_NAME, inst);
return this;
},
/* Detach a datepicker from its control.
@param target element - the target input field or division or span */
_destroyDatepicker: function(target) {
var $target = $(target);
var inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
var nodeName = target.nodeName.toLowerCase();
$.removeData(target, PROP_NAME);
if (nodeName == 'input') {
inst.append.remove();
inst.trigger.remove();
$target.removeClass(this.markerClassName).
unbind('focus', this._showDatepicker).
unbind('keydown', this._doKeyDown).
unbind('keypress', this._doKeyPress).
unbind('keyup', this._doKeyUp);
} else if (nodeName == 'div' || nodeName == 'span')
$target.removeClass(this.markerClassName).empty();
},
/* Enable the date picker to a jQuery selection.
@param target element - the target input field or division or span */
_enableDatepicker: function(target) {
var $target = $(target);
var inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
var nodeName = target.nodeName.toLowerCase();
if (nodeName == 'input') {
target.disabled = false;
inst.trigger.filter('button').
each(function() { this.disabled = false; }).end().
filter('img').css({opacity: '1.0', cursor: ''});
}
else if (nodeName == 'div' || nodeName == 'span') {
var inline = $target.children('.' + this._inlineClass);
inline.children().removeClass('ui-state-disabled');
inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
removeAttr("disabled");
}
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value == target ? null : value); }); // delete entry
},
/* Disable the date picker to a jQuery selection.
@param target element - the target input field or division or span */
_disableDatepicker: function(target) {
var $target = $(target);
var inst = $.data(target, PROP_NAME);
if (!$target.hasClass(this.markerClassName)) {
return;
}
var nodeName = target.nodeName.toLowerCase();
if (nodeName == 'input') {
target.disabled = true;
inst.trigger.filter('button').
each(function() { this.disabled = true; }).end().
filter('img').css({opacity: '0.5', cursor: 'default'});
}
else if (nodeName == 'div' || nodeName == 'span') {
var inline = $target.children('.' + this._inlineClass);
inline.children().addClass('ui-state-disabled');
inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
attr("disabled", "disabled");
}
this._disabledInputs = $.map(this._disabledInputs,
function(value) { return (value == target ? null : value); }); // delete entry
this._disabledInputs[this._disabledInputs.length] = target;
},
/* Is the first field in a jQuery collection disabled as a datepicker?
@param target element - the target input field or division or span
@return boolean - true if disabled, false if enabled */
_isDisabledDatepicker: function(target) {
if (!target) {
return false;
}
for (var i = 0; i < this._disabledInputs.length; i++) {
if (this._disabledInputs[i] == target)
return true;
}
return false;
},
/* Retrieve the instance data for the target control.
@param target element - the target input field or division or span
@return object - the associated instance data
@throws error if a jQuery problem getting data */
_getInst: function(target) {
try {
return $.data(target, PROP_NAME);
}
catch (err) {
throw 'Missing instance data for this datepicker';
}
},
/* Update or retrieve the settings for a date picker attached to an input field or division.
@param target element - the target input field or division or span
@param name object - the new settings to update or
string - the name of the setting to change or retrieve,
when retrieving also 'all' for all instance settings or
'defaults' for all global defaults
@param value any - the new value for the setting
(omit if above is an object or to retrieve a value) */
_optionDatepicker: function(target, name, value) {
var inst = this._getInst(target);
if (arguments.length == 2 && typeof name == 'string') {
return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
(inst ? (name == 'all' ? $.extend({}, inst.settings) :
this._get(inst, name)) : null));
}
var settings = name || {};
if (typeof name == 'string') {
settings = {};
settings[name] = value;
}
if (inst) {
if (this._curInst == inst) {
this._hideDatepicker();
}
var date = this._getDateDatepicker(target, true);
var minDate = this._getMinMaxDate(inst, 'min');
var maxDate = this._getMinMaxDate(inst, 'max');
extendRemove(inst.settings, settings);
// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
if (minDate !== null && settings['dateFormat'] !== undefined && settings['minDate'] === undefined)
inst.settings.minDate = this._formatDate(inst, minDate);
if (maxDate !== null && settings['dateFormat'] !== undefined && settings['maxDate'] === undefined)
inst.settings.maxDate = this._formatDate(inst, maxDate);
this._attachments($(target), inst);
this._autoSize(inst);
this._setDate(inst, date);
this._updateAlternate(inst);
this._updateDatepicker(inst);
}
},
// change method deprecated
_changeDatepicker: function(target, name, value) {
this._optionDatepicker(target, name, value);
},
/* Redraw the date picker attached to an input field or division.
@param target element - the target input field or division or span */
_refreshDatepicker: function(target) {
var inst = this._getInst(target);
if (inst) {
this._updateDatepicker(inst);
}
},
/* Set the dates for a jQuery selection.
@param target element - the target input field or division or span
@param date Date - the new date */
_setDateDatepicker: function(target, date) {
var inst = this._getInst(target);
if (inst) {
this._setDate(inst, date);
this._updateDatepicker(inst);
this._updateAlternate(inst);
}
},
/* Get the date(s) for the first entry in a jQuery selection.
@param target element - the target input field or division or span
@param noDefault boolean - true if no default date is to be used
@return Date - the current date */
_getDateDatepicker: function(target, noDefault) {
var inst = this._getInst(target);
if (inst && !inst.inline)
this._setDateFromField(inst, noDefault);
return (inst ? this._getDate(inst) : null);
},
/* Handle keystrokes. */
_doKeyDown: function(event) {
var inst = $.datepicker._getInst(event.target);
var handled = true;
var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
inst._keyEvent = true;
if ($.datepicker._datepickerShowing)
switch (event.keyCode) {
case 9: $.datepicker._hideDatepicker();
handled = false;
break; // hide on tab out
case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' +
$.datepicker._currentClass + ')', inst.dpDiv);
if (sel[0])
$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
var onSelect = $.datepicker._get(inst, 'onSelect');
if (onSelect) {
var dateStr = $.datepicker._formatDate(inst);
// trigger custom callback
onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
}
else
$.datepicker._hideDatepicker();
return false; // don't submit the form
break; // select the value on enter
case 27: $.datepicker._hideDatepicker();
break; // hide on escape
case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
-$.datepicker._get(inst, 'stepBigMonths') :
-$.datepicker._get(inst, 'stepMonths')), 'M');
break; // previous month/year on page up/+ ctrl
case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+$.datepicker._get(inst, 'stepBigMonths') :
+$.datepicker._get(inst, 'stepMonths')), 'M');
break; // next month/year on page down/+ ctrl
case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
handled = event.ctrlKey || event.metaKey;
break; // clear on ctrl or command +end
case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
handled = event.ctrlKey || event.metaKey;
break; // current on ctrl or command +home
case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
handled = event.ctrlKey || event.metaKey;
// -1 day on ctrl or command +left
if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
-$.datepicker._get(inst, 'stepBigMonths') :
-$.datepicker._get(inst, 'stepMonths')), 'M');
// next month/year on alt +left on Mac
break;
case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
handled = event.ctrlKey || event.metaKey;
break; // -1 week on ctrl or command +up
case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
handled = event.ctrlKey || event.metaKey;
// +1 day on ctrl or command +right
if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+$.datepicker._get(inst, 'stepBigMonths') :
+$.datepicker._get(inst, 'stepMonths')), 'M');
// next month/year on alt +right
break;
case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
handled = event.ctrlKey || event.metaKey;
break; // +1 week on ctrl or command +down
default: handled = false;
}
else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
$.datepicker._showDatepicker(this);
else {
handled = false;
}
if (handled) {
event.preventDefault();
event.stopPropagation();
}
},
/* Filter entered characters - based on date format. */
_doKeyPress: function(event) {
var inst = $.datepicker._getInst(event.target);
if ($.datepicker._get(inst, 'constrainInput')) {
var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
return event.ctrlKey || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
}
},
/* Synchronise manual entry and field/alternate field. */
_doKeyUp: function(event) {
var inst = $.datepicker._getInst(event.target);
if (inst.input.val() != inst.lastVal) {
try {
var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
(inst.input ? inst.input.val() : null),
$.datepicker._getFormatConfig(inst));
if (date) { // only if valid
$.datepicker._setDateFromField(inst);
$.datepicker._updateAlternate(inst);
$.datepicker._updateDatepicker(inst);
}
}
catch (event) {
$.datepicker.log(event);
}
}
return true;
},
/* Pop-up the date picker for a given input field.
If false returned from beforeShow event handler do not show.
@param input element - the input field attached to the date picker or
event - if triggered by focus */
_showDatepicker: function(input) {
input = input.target || input;
if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
input = $('input', input.parentNode)[0];
if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
return;
var inst = $.datepicker._getInst(input);
if ($.datepicker._curInst && $.datepicker._curInst != inst) {
if ( $.datepicker._datepickerShowing ) {
$.datepicker._triggerOnClose($.datepicker._curInst);
}
$.datepicker._curInst.dpDiv.stop(true, true);
}
var beforeShow = $.datepicker._get(inst, 'beforeShow');
var beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
if(beforeShowSettings === false){
//false
return;
}
extendRemove(inst.settings, beforeShowSettings);
inst.lastVal = null;
$.datepicker._lastInput = input;
$.datepicker._setDateFromField(inst);
if ($.datepicker._inDialog) // hide cursor
input.value = '';
if (!$.datepicker._pos) { // position below input
$.datepicker._pos = $.datepicker._findPos(input);
$.datepicker._pos[1] += input.offsetHeight; // add the height
}
var isFixed = false;
$(input).parents().each(function() {
isFixed |= $(this).css('position') == 'fixed';
return !isFixed;
});
if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
$.datepicker._pos[0] -= document.documentElement.scrollLeft;
$.datepicker._pos[1] -= document.documentElement.scrollTop;
}
var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
$.datepicker._pos = null;
//to avoid flashes on Firefox
inst.dpDiv.empty();
// determine sizing offscreen
inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
$.datepicker._updateDatepicker(inst);
// fix width for dynamic number of date pickers
// and adjust position before showing
offset = $.datepicker._checkOffset(inst, offset, isFixed);
inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
left: offset.left + 'px', top: offset.top + 'px'});
if (!inst.inline) {
var showAnim = $.datepicker._get(inst, 'showAnim');
var duration = $.datepicker._get(inst, 'duration');
var postProcess = function() {
var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
if( !! cover.length ){
var borders = $.datepicker._getBorders(inst.dpDiv);
cover.css({left: -borders[0], top: -borders[1],
width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
}
};
inst.dpDiv.zIndex($(input).zIndex()+1);
$.datepicker._datepickerShowing = true;
if ($.effects && $.effects[showAnim])
inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
else
inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
if (!showAnim || !duration)
postProcess();
if (inst.input.is(':visible') && !inst.input.is(':disabled'))
inst.input.focus();
$.datepicker._curInst = inst;
}
},
/* Generate the date picker content. */
_updateDatepicker: function(inst) {
var self = this;
self.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
var borders = $.datepicker._getBorders(inst.dpDiv);
instActive = inst; // for delegate hover events
inst.dpDiv.empty().append(this._generateHTML(inst));
var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
if( !!cover.length ){ //avoid call to outerXXXX() when not in IE6
cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
}
inst.dpDiv.find('.' + this._dayOverClass + ' a').mouseover();
var numMonths = this._getNumberOfMonths(inst);
var cols = numMonths[1];
var width = 17;
inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
if (cols > 1)
inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') +
'Class']('ui-datepicker-multi');
inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
'Class']('ui-datepicker-rtl');
if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input &&
// #6694 - don't focus the input if it's already focused
// this breaks the change event in IE
inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] != document.activeElement)
inst.input.focus();
// deffered render of the years select (to avoid flashes on Firefox)
if( inst.yearshtml ){
var origyearshtml = inst.yearshtml;
setTimeout(function(){
//assure that inst.yearshtml didn't change.
if( origyearshtml === inst.yearshtml && inst.yearshtml ){
inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
}
origyearshtml = inst.yearshtml = null;
}, 0);
}
},
/* Retrieve the size of left and top borders for an element.
@param elem (jQuery object) the element of interest
@return (number[2]) the left and top borders */
_getBorders: function(elem) {
var convert = function(value) {
return {thin: 1, medium: 2, thick: 3}[value] || value;
};
return [parseFloat(convert(elem.css('border-left-width'))),
parseFloat(convert(elem.css('border-top-width')))];
},
/* Check positioning to remain on screen. */
_checkOffset: function(inst, offset, isFixed) {
var dpWidth = inst.dpDiv.outerWidth();
var dpHeight = inst.dpDiv.outerHeight();
var inputWidth = inst.input ? inst.input.outerWidth() : 0;
var inputHeight = inst.input ? inst.input.outerHeight() : 0;
var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();
offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
// now check if datepicker is showing outside window viewport - move to a better place if so.
offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
Math.abs(offset.left + dpWidth - viewWidth) : 0);
offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
Math.abs(dpHeight + inputHeight) : 0);
return offset;
},
/* Find an object's position on the screen. */
_findPos: function(obj) {
var inst = this._getInst(obj);
var isRTL = this._get(inst, 'isRTL');
while (obj && (obj.type == 'hidden' || obj.nodeType != 1 || $.expr.filters.hidden(obj))) {
obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
}
var position = $(obj).offset();
return [position.left, position.top];
},
/* Trigger custom callback of onClose. */
_triggerOnClose: function(inst) {
var onClose = this._get(inst, 'onClose');
if (onClose)
onClose.apply((inst.input ? inst.input[0] : null),
[(inst.input ? inst.input.val() : ''), inst]);
},
/* Hide the date picker from view.
@param input element - the input field attached to the date picker */
_hideDatepicker: function(input) {
var inst = this._curInst;
if (!inst || (input && inst != $.data(input, PROP_NAME)))
return;
if (this._datepickerShowing) {
var showAnim = this._get(inst, 'showAnim');
var duration = this._get(inst, 'duration');
var postProcess = function() {
$.datepicker._tidyDialog(inst);
this._curInst = null;
};
if ($.effects && $.effects[showAnim])
inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
else
inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
(showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
if (!showAnim)
postProcess();
$.datepicker._triggerOnClose(inst);
this._datepickerShowing = false;
this._lastInput = null;
if (this._inDialog) {
this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
if ($.blockUI) {
$.unblockUI();
$('body').append(this.dpDiv);
}
}
this._inDialog = false;
}
},
/* Tidy up after a dialog display. */
_tidyDialog: function(inst) {
inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
},
/* Close date picker if clicked elsewhere. */
_checkExternalClick: function(event) {
if (!$.datepicker._curInst)
return;
var $target = $(event.target);
if ($target[0].id != $.datepicker._mainDivId &&
$target.parents('#' + $.datepicker._mainDivId).length == 0 &&
!$target.hasClass($.datepicker.markerClassName) &&
!$target.hasClass($.datepicker._triggerClass) &&
$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
$.datepicker._hideDatepicker();
},
/* Adjust one of the date sub-fields. */
_adjustDate: function(id, offset, period) {
var target = $(id);
var inst = this._getInst(target[0]);
if (this._isDisabledDatepicker(target[0])) {
return;
}
this._adjustInstDate(inst, offset +
(period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
period);
this._updateDatepicker(inst);
},
/* Action for current link. */
_gotoToday: function(id) {
var target = $(id);
var inst = this._getInst(target[0]);
if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
inst.selectedDay = inst.currentDay;
inst.drawMonth = inst.selectedMonth = inst.currentMonth;
inst.drawYear = inst.selectedYear = inst.currentYear;
}
else {
var date = new Date();
inst.selectedDay = date.getDate();
inst.drawMonth = inst.selectedMonth = date.getMonth();
inst.drawYear = inst.selectedYear = date.getFullYear();
}
this._notifyChange(inst);
this._adjustDate(target);
},
/* Action for selecting a new month/year. */
_selectMonthYear: function(id, select, period) {
var target = $(id);
var inst = this._getInst(target[0]);
inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
parseInt(select.options[select.selectedIndex].value,10);
this._notifyChange(inst);
this._adjustDate(target);
},
/* Action for selecting a day. */
_selectDay: function(id, month, year, td) {
var target = $(id);
if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
return;
}
var inst = this._getInst(target[0]);
inst.selectedDay = inst.currentDay = $('a', td).html();
inst.selectedMonth = inst.currentMonth = month;
inst.selectedYear = inst.currentYear = year;
this._selectDate(id, this._formatDate(inst,
inst.currentDay, inst.currentMonth, inst.currentYear));
},
/* Erase the input field and hide the date picker. */
_clearDate: function(id) {
var target = $(id);
var inst = this._getInst(target[0]);
this._selectDate(target, '');
},
/* Update the input field with the selected date. */
_selectDate: function(id, dateStr) {
var target = $(id);
var inst = this._getInst(target[0]);
dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
if (inst.input)
inst.input.val(dateStr);
this._updateAlternate(inst);
var onSelect = this._get(inst, 'onSelect');
if (onSelect)
onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
else if (inst.input)
inst.input.trigger('change'); // fire the change event
if (inst.inline)
this._updateDatepicker(inst);
else {
this._hideDatepicker();
this._lastInput = inst.input[0];
if (typeof(inst.input[0]) != 'object')
inst.input.focus(); // restore focus
this._lastInput = null;
}
},
/* Update any alternate field to synchronise with the main field. */
_updateAlternate: function(inst) {
var altField = this._get(inst, 'altField');
if (altField) { // update alternate field too
var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
var date = this._getDate(inst);
var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
$(altField).each(function() { $(this).val(dateStr); });
}
},
/* Set as beforeShowDay function to prevent selection of weekends.
@param date Date - the date to customise
@return [boolean, string] - is this date selectable?, what is its CSS class? */
noWeekends: function(date) {
var day = date.getDay();
return [(day > 0 && day < 6), ''];
},
/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
@param date Date - the date to get the week for
@return number - the number of the week within the year that contains this date */
iso8601Week: function(date) {
var checkDate = new Date(date.getTime());
// Find Thursday of this week starting on Monday
checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
var time = checkDate.getTime();
checkDate.setMonth(0); // Compare with Jan 1
checkDate.setDate(1);
return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
},
/* Parse a string value into a date object.
See formatDate below for the possible formats.
@param format string - the expected format of the date
@param value string - the date in the above format
@param settings Object - attributes include:
shortYearCutoff number - the cutoff year for determining the century (optional)
dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
dayNames string[7] - names of the days from Sunday (optional)
monthNamesShort string[12] - abbreviated names of the months (optional)
monthNames string[12] - names of the months (optional)
@return Date - the extracted date value or null if value is blank */
parseDate: function (format, value, settings) {
if (format == null || value == null)
throw 'Invalid arguments';
value = (typeof value == 'object' ? value.toString() : value + '');
if (value == '')
return null;
var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
var year = -1;
var month = -1;
var day = -1;
var doy = -1;
var literal = false;