Administrator
2022-09-14 58d006e05dcf2a20d0ec5367dd03d66a61db6849
提交 | 用户 | 时间
58d006 1 /**
A 2 * @version: 2.1.13
3 * @author: Dan Grossman http://www.dangrossman.info/
4 * @copyright: Copyright (c) 2012-2015 Dan Grossman. All rights reserved.
5 * @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
6 * @website: https://www.improvely.com/
7 */
8
9 (function(root, factory) {
10
11   if (typeof define === 'function' && define.amd) {
12     define(['moment', 'jquery', 'exports'], function(momentjs, $, exports) {
13       root.daterangepicker = factory(root, exports, momentjs, $);
14     });
15
16   } else if (typeof exports !== 'undefined') {
17       var momentjs = require('moment');
18       var jQuery = (typeof window != 'undefined') ? window.jQuery : undefined;  //isomorphic issue
19       if (!jQuery) {
20           try {
21               jQuery = require('jquery');
22               if (!jQuery.fn) jQuery.fn = {}; //isomorphic issue
23           } catch (err) {
24               if (!jQuery) throw new Error('jQuery dependency not found');
25           }
26       }
27
28     factory(root, exports, momentjs, jQuery);
29
30   // Finally, as a browser global.
31   } else {
32     root.daterangepicker = factory(root, {}, root.moment || moment, (root.jQuery || root.Zepto || root.ender || root.$));
33   }
34
35 }(this || {}, function(root, daterangepicker, moment, $) { // 'this' doesn't exist on a server
36
37     var DateRangePicker = function(element, options, cb) {
38
39         //default settings for options
40         this.parentEl = 'body';
41         this.element = $(element);
42         this.startDate = moment().startOf('day');
43         this.endDate = moment().endOf('day');
44         this.minDate = false;
45         this.maxDate = false;
46         this.dateLimit = false;
47         this.autoApply = false;
48         this.singleDatePicker = false;
49         this.showDropdowns = false;
50         this.showWeekNumbers = false;
51         this.timePicker = false;
52         this.timePicker24Hour = false;
53         this.timePickerIncrement = 1;
54         this.timePickerSeconds = false;
55         this.linkedCalendars = true;
56         this.autoUpdateInput = true;
57         this.ranges = {};
58
59         this.opens = 'right';
60         if (this.element.hasClass('pull-right'))
61             this.opens = 'left';
62
63         this.drops = 'down';
64         if (this.element.hasClass('dropup'))
65             this.drops = 'up';
66
67         this.buttonClasses = 'btn btn-sm';
68         this.applyClass = 'btn-success';
69         this.cancelClass = 'btn-default';
70
71         this.locale = {
72             format: 'MM/DD/YYYY',
73             separator: ' - ',
74             applyLabel: 'Apply',
75             cancelLabel: 'Cancel',
76             weekLabel: 'W',
77             customRangeLabel: 'Custom Range',
78             daysOfWeek: moment.weekdaysMin(),
79             monthNames: moment.monthsShort(),
80             firstDay: moment.localeData().firstDayOfWeek()
81         };
82
83         this.callback = function() { };
84
85         //some state information
86         this.isShowing = false;
87         this.leftCalendar = {};
88         this.rightCalendar = {};
89
90         //custom options from user
91         if (typeof options !== 'object' || options === null)
92             options = {};
93
94         //allow setting options with data attributes
95         //data-api options will be overwritten with custom javascript options
96         options = $.extend(this.element.data(), options);
97
98         //html template for the picker UI
99         if (typeof options.template !== 'string')
100             options.template = '<div class="daterangepicker dropdown-menu">' +
101                 '<div class="calendar left">' +
102                     '<div class="daterangepicker_input">' +
103                       '<input class="input-mini" type="text" name="daterangepicker_start" value="" />' +
104                       '<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
105                       '<div class="calendar-time">' +
106                         '<div></div>' +
107                         '<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
108                       '</div>' +
109                     '</div>' +
110                     '<div class="calendar-table"></div>' +
111                 '</div>' +
112                 '<div class="calendar right">' +
113                     '<div class="daterangepicker_input">' +
114                       '<input class="input-mini" type="text" name="daterangepicker_end" value="" />' +
115                       '<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
116                       '<div class="calendar-time">' +
117                         '<div></div>' +
118                         '<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
119                       '</div>' +
120                     '</div>' +
121                     '<div class="calendar-table"></div>' +
122                 '</div>' +
123                 '<div class="ranges">' +
124                     '<div class="range_inputs">' +
125                         '<button class="applyBtn" disabled="disabled" type="button"></button> ' +
126                         '<button class="cancelBtn" type="button"></button>' +
127                     '</div>' +
128                 '</div>' +
129             '</div>';
130
131         this.parentEl = (options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);
132         this.container = $(options.template).appendTo(this.parentEl);
133
134         //
135         // handle all the possible options overriding defaults
136         //
137
138         if (typeof options.locale === 'object') {
139
140             if (typeof options.locale.format === 'string')
141                 this.locale.format = options.locale.format;
142
143             if (typeof options.locale.separator === 'string')
144                 this.locale.separator = options.locale.separator;
145
146             if (typeof options.locale.daysOfWeek === 'object')
147                 this.locale.daysOfWeek = options.locale.daysOfWeek.slice();
148
149             if (typeof options.locale.monthNames === 'object')
150               this.locale.monthNames = options.locale.monthNames.slice();
151
152             if (typeof options.locale.firstDay === 'number')
153               this.locale.firstDay = options.locale.firstDay;
154
155             if (typeof options.locale.applyLabel === 'string')
156               this.locale.applyLabel = options.locale.applyLabel;
157
158             if (typeof options.locale.cancelLabel === 'string')
159               this.locale.cancelLabel = options.locale.cancelLabel;
160
161             if (typeof options.locale.weekLabel === 'string')
162               this.locale.weekLabel = options.locale.weekLabel;
163
164             if (typeof options.locale.customRangeLabel === 'string')
165               this.locale.customRangeLabel = options.locale.customRangeLabel;
166
167         }
168
169         if (typeof options.startDate === 'string')
170             this.startDate = moment(options.startDate, this.locale.format);
171
172         if (typeof options.endDate === 'string')
173             this.endDate = moment(options.endDate, this.locale.format);
174
175         if (typeof options.minDate === 'string')
176             this.minDate = moment(options.minDate, this.locale.format);
177
178         if (typeof options.maxDate === 'string')
179             this.maxDate = moment(options.maxDate, this.locale.format);
180
181         if (typeof options.startDate === 'object')
182             this.startDate = moment(options.startDate);
183
184         if (typeof options.endDate === 'object')
185             this.endDate = moment(options.endDate);
186
187         if (typeof options.minDate === 'object')
188             this.minDate = moment(options.minDate);
189
190         if (typeof options.maxDate === 'object')
191             this.maxDate = moment(options.maxDate);
192
193         // sanity check for bad options
194         if (this.minDate && this.startDate.isBefore(this.minDate))
195             this.startDate = this.minDate.clone();
196
197         // sanity check for bad options
198         if (this.maxDate && this.endDate.isAfter(this.maxDate))
199             this.endDate = this.maxDate.clone();
200
201         if (typeof options.applyClass === 'string')
202             this.applyClass = options.applyClass;
203
204         if (typeof options.cancelClass === 'string')
205             this.cancelClass = options.cancelClass;
206
207         if (typeof options.dateLimit === 'object')
208             this.dateLimit = options.dateLimit;
209
210         if (typeof options.opens === 'string')
211             this.opens = options.opens;
212
213         if (typeof options.drops === 'string')
214             this.drops = options.drops;
215
216         if (typeof options.showWeekNumbers === 'boolean')
217             this.showWeekNumbers = options.showWeekNumbers;
218
219         if (typeof options.buttonClasses === 'string')
220             this.buttonClasses = options.buttonClasses;
221
222         if (typeof options.buttonClasses === 'object')
223             this.buttonClasses = options.buttonClasses.join(' ');
224
225         if (typeof options.showDropdowns === 'boolean')
226             this.showDropdowns = options.showDropdowns;
227
228         if (typeof options.singleDatePicker === 'boolean') {
229             this.singleDatePicker = options.singleDatePicker;
230             if (this.singleDatePicker)
231                 this.endDate = this.startDate.clone();
232         }
233
234         if (typeof options.timePicker === 'boolean')
235             this.timePicker = options.timePicker;
236
237         if (typeof options.timePickerSeconds === 'boolean')
238             this.timePickerSeconds = options.timePickerSeconds;
239
240         if (typeof options.timePickerIncrement === 'number')
241             this.timePickerIncrement = options.timePickerIncrement;
242
243         if (typeof options.timePicker24Hour === 'boolean')
244             this.timePicker24Hour = options.timePicker24Hour;
245
246         if (typeof options.autoApply === 'boolean')
247             this.autoApply = options.autoApply;
248
249         if (typeof options.autoUpdateInput === 'boolean')
250             this.autoUpdateInput = options.autoUpdateInput;
251
252         if (typeof options.linkedCalendars === 'boolean')
253             this.linkedCalendars = options.linkedCalendars;
254
255         if (typeof options.isInvalidDate === 'function')
256             this.isInvalidDate = options.isInvalidDate;
257
258         // update day names order to firstDay
259         if (this.locale.firstDay != 0) {
260             var iterator = this.locale.firstDay;
261             while (iterator > 0) {
262                 this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());
263                 iterator--;
264             }
265         }
266
267         var start, end, range;
268
269         //if no start/end dates set, check if an input element contains initial values
270         if (typeof options.startDate === 'undefined' && typeof options.endDate === 'undefined') {
271             if ($(this.element).is('input[type=text]')) {
272                 var val = $(this.element).val(),
273                     split = val.split(this.locale.separator);
274
275                 start = end = null;
276
277                 if (split.length == 2) {
278                     start = moment(split[0], this.locale.format);
279                     end = moment(split[1], this.locale.format);
280                 } else if (this.singleDatePicker && val !== "") {
281                     start = moment(val, this.locale.format);
282                     end = moment(val, this.locale.format);
283                 }
284                 if (start !== null && end !== null) {
285                     this.setStartDate(start);
286                     this.setEndDate(end);
287                 }
288             }
289         }
290
291         if (typeof options.ranges === 'object') {
292             for (range in options.ranges) {
293
294                 if (typeof options.ranges[range][0] === 'string')
295                     start = moment(options.ranges[range][0], this.locale.format);
296                 else
297                     start = moment(options.ranges[range][0]);
298
299                 if (typeof options.ranges[range][1] === 'string')
300                     end = moment(options.ranges[range][1], this.locale.format);
301                 else
302                     end = moment(options.ranges[range][1]);
303
304                 // If the start or end date exceed those allowed by the minDate or dateLimit
305                 // options, shorten the range to the allowable period.
306                 if (this.minDate && start.isBefore(this.minDate))
307                     start = this.minDate.clone();
308
309                 var maxDate = this.maxDate;
310                 if (this.dateLimit && start.clone().add(this.dateLimit).isAfter(maxDate))
311                     maxDate = start.clone().add(this.dateLimit);
312                 if (maxDate && end.isAfter(maxDate))
313                     end = maxDate.clone();
314
315                 // If the end of the range is before the minimum or the start of the range is
316                 // after the maximum, don't display this range option at all.
317                 if ((this.minDate && end.isBefore(this.minDate)) || (maxDate && start.isAfter(maxDate)))
318                     continue;
319                 
320                 //Support unicode chars in the range names.
321                 var elem = document.createElement('textarea');
322                 elem.innerHTML = range;
323                 rangeHtml = elem.value;
324
325                 this.ranges[rangeHtml] = [start, end];
326             }
327
328             var list = '<ul>';
329             for (range in this.ranges) {
330                 list += '<li>' + range + '</li>';
331             }
332             list += '<li>' + this.locale.customRangeLabel + '</li>';
333             list += '</ul>';
334             this.container.find('.ranges').prepend(list);
335         }
336
337         if (typeof cb === 'function') {
338             this.callback = cb;
339         }
340
341         if (!this.timePicker) {
342             this.startDate = this.startDate.startOf('day');
343             this.endDate = this.endDate.endOf('day');
344             this.container.find('.calendar-time').hide();
345         }
346
347         //can't be used together for now
348         if (this.timePicker && this.autoApply)
349             this.autoApply = false;
350
351         if (this.autoApply && typeof options.ranges !== 'object') {
352             this.container.find('.ranges').hide();
353         } else if (this.autoApply) {
354             this.container.find('.applyBtn, .cancelBtn').addClass('hide');
355         }
356
357         if (this.singleDatePicker) {
358             this.container.addClass('single');
359             this.container.find('.calendar.left').addClass('single');
360             this.container.find('.calendar.left').show();
361             this.container.find('.calendar.right').hide();
362             this.container.find('.daterangepicker_input input, .daterangepicker_input i').hide();
363             if (!this.timePicker) {
364                 this.container.find('.ranges').hide();
365             }
366         }
367
368         if (typeof options.ranges === 'undefined' && !this.singleDatePicker) {
369             this.container.addClass('show-calendar');
370         }
371
372         this.container.addClass('opens' + this.opens);
373
374         //swap the position of the predefined ranges if opens right
375         if (typeof options.ranges !== 'undefined' && this.opens == 'right') {
376             var ranges = this.container.find('.ranges');
377             var html = ranges.clone();
378             ranges.remove();
379             this.container.find('.calendar.left').parent().prepend(html);
380         }
381
382         //apply CSS classes and labels to buttons
383         this.container.find('.applyBtn, .cancelBtn').addClass(this.buttonClasses);
384         if (this.applyClass.length)
385             this.container.find('.applyBtn').addClass(this.applyClass);
386         if (this.cancelClass.length)
387             this.container.find('.cancelBtn').addClass(this.cancelClass);
388         this.container.find('.applyBtn').html(this.locale.applyLabel);
389         this.container.find('.cancelBtn').html(this.locale.cancelLabel);
390
391         //
392         // event listeners
393         //
394
395         this.container.find('.calendar')
396             .on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))
397             .on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))
398             .on('click.daterangepicker', 'td.available', $.proxy(this.clickDate, this))
399             .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))
400             .on('mouseleave.daterangepicker', 'td.available', $.proxy(this.updateFormInputs, this))
401             .on('change.daterangepicker', 'select.yearselect', $.proxy(this.monthOrYearChanged, this))
402             .on('change.daterangepicker', 'select.monthselect', $.proxy(this.monthOrYearChanged, this))
403             .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.timeChanged, this))
404             .on('click.daterangepicker', '.daterangepicker_input input', $.proxy(this.showCalendars, this))
405             //.on('keyup.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsChanged, this))
406             .on('change.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsChanged, this));
407
408         this.container.find('.ranges')
409             .on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))
410             .on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this))
411             .on('click.daterangepicker', 'li', $.proxy(this.clickRange, this))
412             .on('mouseenter.daterangepicker', 'li', $.proxy(this.hoverRange, this))
413             .on('mouseleave.daterangepicker', 'li', $.proxy(this.updateFormInputs, this));
414
415         if (this.element.is('input')) {
416             this.element.on({
417                 'click.daterangepicker': $.proxy(this.show, this),
418                 'focus.daterangepicker': $.proxy(this.show, this),
419                 'keyup.daterangepicker': $.proxy(this.elementChanged, this),
420                 'keydown.daterangepicker': $.proxy(this.keydown, this)
421             });
422         } else {
423             this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
424         }
425
426         //
427         // if attached to a text input, set the initial value
428         //
429
430         if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
431             this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
432             this.element.trigger('change');
433         } else if (this.element.is('input') && this.autoUpdateInput) {
434             this.element.val(this.startDate.format(this.locale.format));
435             this.element.trigger('change');
436         }
437
438     };
439
440     DateRangePicker.prototype = {
441
442         constructor: DateRangePicker,
443
444         setStartDate: function(startDate) {
445             if (typeof startDate === 'string')
446                 this.startDate = moment(startDate, this.locale.format);
447
448             if (typeof startDate === 'object')
449                 this.startDate = moment(startDate);
450
451             if (!this.timePicker)
452                 this.startDate = this.startDate.startOf('day');
453
454             if (this.timePicker && this.timePickerIncrement)
455                 this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
456
457             if (this.minDate && this.startDate.isBefore(this.minDate))
458                 this.startDate = this.minDate;
459
460             if (this.maxDate && this.startDate.isAfter(this.maxDate))
461                 this.startDate = this.maxDate;
462
463             if (!this.isShowing)
464                 this.updateElement();
465
466             this.updateMonthsInView();
467         },
468
469         setEndDate: function(endDate) {
470             if (typeof endDate === 'string')
471                 this.endDate = moment(endDate, this.locale.format);
472
473             if (typeof endDate === 'object')
474                 this.endDate = moment(endDate);
475
476             if (!this.timePicker)
477                 this.endDate = this.endDate.endOf('day');
478
479             if (this.timePicker && this.timePickerIncrement)
480                 this.endDate.minute(Math.round(this.endDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
481
482             if (this.endDate.isBefore(this.startDate))
483                 this.endDate = this.startDate.clone();
484
485             if (this.maxDate && this.endDate.isAfter(this.maxDate))
486                 this.endDate = this.maxDate;
487
488             if (this.dateLimit && this.startDate.clone().add(this.dateLimit).isBefore(this.endDate))
489                 this.endDate = this.startDate.clone().add(this.dateLimit);
490
491             if (!this.isShowing)
492                 this.updateElement();
493
494             this.updateMonthsInView();
495         },
496
497         isInvalidDate: function() {
498             return false;
499         },
500
501         updateView: function() {
502             if (this.timePicker) {
503                 this.renderTimePicker('left');
504                 this.renderTimePicker('right');
505                 if (!this.endDate) {
506                     this.container.find('.right .calendar-time select').attr('disabled', 'disabled').addClass('disabled');
507                 } else {
508                     this.container.find('.right .calendar-time select').removeAttr('disabled').removeClass('disabled');
509                 }
510             }
511             if (this.endDate) {
512                 this.container.find('input[name="daterangepicker_end"]').removeClass('active');
513                 this.container.find('input[name="daterangepicker_start"]').addClass('active');
514             } else {
515                 this.container.find('input[name="daterangepicker_end"]').addClass('active');
516                 this.container.find('input[name="daterangepicker_start"]').removeClass('active');
517             }
518             this.updateMonthsInView();
519             this.updateCalendars();
520             this.updateFormInputs();
521         },
522
523         updateMonthsInView: function() {
524             if (this.endDate) {
525
526                 //if both dates are visible already, do nothing
527                 if (!this.singleDatePicker && this.leftCalendar.month && this.rightCalendar.month &&
528                     (this.startDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.startDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
529                     &&
530                     (this.endDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.endDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
531                     ) {
532                     return;
533                 }
534
535                 this.leftCalendar.month = this.startDate.clone().date(2);
536                 if (!this.linkedCalendars && (this.endDate.month() != this.startDate.month() || this.endDate.year() != this.startDate.year())) {
537                     this.rightCalendar.month = this.endDate.clone().date(2);
538                 } else {
539                     this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
540                 }
541                 
542             } else {
543                 if (this.leftCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM') && this.rightCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM')) {
544                     this.leftCalendar.month = this.startDate.clone().date(2);
545                     this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
546                 }
547             }
548         },
549
550         updateCalendars: function() {
551
552             if (this.timePicker) {
553                 var hour, minute, second;
554                 if (this.endDate) {
555                     hour = parseInt(this.container.find('.left .hourselect').val(), 10);
556                     minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
557                     second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
558                     if (!this.timePicker24Hour) {
559                         var ampm = this.container.find('.left .ampmselect').val();
560                         if (ampm === 'PM' && hour < 12)
561                             hour += 12;
562                         if (ampm === 'AM' && hour === 12)
563                             hour = 0;
564                     }
565                 } else {
566                     hour = parseInt(this.container.find('.right .hourselect').val(), 10);
567                     minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
568                     second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
569                     if (!this.timePicker24Hour) {
570                         var ampm = this.container.find('.left .ampmselect').val();
571                         if (ampm === 'PM' && hour < 12)
572                             hour += 12;
573                         if (ampm === 'AM' && hour === 12)
574                             hour = 0;
575                     }
576                 }
577                 this.leftCalendar.month.hour(hour).minute(minute).second(second);
578                 this.rightCalendar.month.hour(hour).minute(minute).second(second);
579             }
580
581             this.renderCalendar('left');
582             this.renderCalendar('right');
583
584             //highlight any predefined range matching the current start and end dates
585             this.container.find('.ranges li').removeClass('active');
586             if (this.endDate == null) return;
587
588             var customRange = true;
589             var i = 0;
590             for (var range in this.ranges) {
591                 if (this.timePicker) {
592                     if (this.startDate.isSame(this.ranges[range][0]) && this.endDate.isSame(this.ranges[range][1])) {
593                         customRange = false;
594                         this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
595                         break;
596                     }
597                 } else {
598                     //ignore times when comparing dates if time picker is not enabled
599                     if (this.startDate.format('YYYY-MM-DD') == this.ranges[range][0].format('YYYY-MM-DD') && this.endDate.format('YYYY-MM-DD') == this.ranges[range][1].format('YYYY-MM-DD')) {
600                         customRange = false;
601                         this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
602                         break;
603                     }
604                 }
605                 i++;
606             }
607             if (customRange) {
608                 this.chosenLabel = this.container.find('.ranges li:last').addClass('active').html();
609                 this.showCalendars();
610             }
611
612         },
613
614         renderCalendar: function(side) {
615
616             //
617             // Build the matrix of dates that will populate the calendar
618             //
619
620             var calendar = side == 'left' ? this.leftCalendar : this.rightCalendar;
621             var month = calendar.month.month();
622             var year = calendar.month.year();
623             var hour = calendar.month.hour();
624             var minute = calendar.month.minute();
625             var second = calendar.month.second();
626             var daysInMonth = moment([year, month]).daysInMonth();
627             var firstDay = moment([year, month, 1]);
628             var lastDay = moment([year, month, daysInMonth]);
629             var lastMonth = moment(firstDay).subtract(1, 'month').month();
630             var lastYear = moment(firstDay).subtract(1, 'month').year();
631             var daysInLastMonth = moment([lastYear, lastMonth]).daysInMonth();
632             var dayOfWeek = firstDay.day();
633
634             //initialize a 6 rows x 7 columns array for the calendar
635             var calendar = [];
636             calendar.firstDay = firstDay;
637             calendar.lastDay = lastDay;
638
639             for (var i = 0; i < 6; i++) {
640                 calendar[i] = [];
641             }
642
643             //populate the calendar with date objects
644             var startDay = daysInLastMonth - dayOfWeek + this.locale.firstDay + 1;
645             if (startDay > daysInLastMonth)
646                 startDay -= 7;
647
648             if (dayOfWeek == this.locale.firstDay)
649                 startDay = daysInLastMonth - 6;
650
651             var curDate = moment([lastYear, lastMonth, startDay, 12, minute, second]);
652
653             var col, row;
654             for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = moment(curDate).add(24, 'hour')) {
655                 if (i > 0 && col % 7 === 0) {
656                     col = 0;
657                     row++;
658                 }
659                 calendar[row][col] = curDate.clone().hour(hour).minute(minute).second(second);
660                 curDate.hour(12);
661
662                 if (this.minDate && calendar[row][col].format('YYYY-MM-DD') == this.minDate.format('YYYY-MM-DD') && calendar[row][col].isBefore(this.minDate) && side == 'left') {
663                     calendar[row][col] = this.minDate.clone();
664                 }
665
666                 if (this.maxDate && calendar[row][col].format('YYYY-MM-DD') == this.maxDate.format('YYYY-MM-DD') && calendar[row][col].isAfter(this.maxDate) && side == 'right') {
667                     calendar[row][col] = this.maxDate.clone();
668                 }
669
670             }
671
672             //make the calendar object available to hoverDate/clickDate
673             if (side == 'left') {
674                 this.leftCalendar.calendar = calendar;
675             } else {
676                 this.rightCalendar.calendar = calendar;
677             }
678
679             //
680             // Display the calendar
681             //
682
683             var minDate = side == 'left' ? this.minDate : this.startDate;
684             var maxDate = this.maxDate;
685             var selected = side == 'left' ? this.startDate : this.endDate;
686
687             var html = '<table class="table-condensed">';
688             html += '<thead>';
689             html += '<tr>';
690
691             // add empty cell for week number
692             if (this.showWeekNumbers)
693                 html += '<th></th>';
694
695             if ((!minDate || minDate.isBefore(calendar.firstDay)) && (!this.linkedCalendars || side == 'left')) {
696                 html += '<th class="prev available"><i class="fa fa-chevron-left glyphicon glyphicon-chevron-left"></i></th>';
697             } else {
698                 html += '<th></th>';
699             }
700
701             var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");
702
703             if (this.showDropdowns) {
704                 var currentMonth = calendar[1][1].month();
705                 var currentYear = calendar[1][1].year();
706                 var maxYear = (maxDate && maxDate.year()) || (currentYear + 5);
707                 var minYear = (minDate && minDate.year()) || (currentYear - 50);
708                 var inMinYear = currentYear == minYear;
709                 var inMaxYear = currentYear == maxYear;
710
711                 var monthHtml = '<select class="monthselect">';
712                 for (var m = 0; m < 12; m++) {
713                     if ((!inMinYear || m >= minDate.month()) && (!inMaxYear || m <= maxDate.month())) {
714                         monthHtml += "<option value='" + m + "'" +
715                             (m === currentMonth ? " selected='selected'" : "") +
716                             ">" + this.locale.monthNames[m] + "</option>";
717                     } else {
718                         monthHtml += "<option value='" + m + "'" +
719                             (m === currentMonth ? " selected='selected'" : "") +
720                             " disabled='disabled'>" + this.locale.monthNames[m] + "</option>";
721                     }
722                 }
723                 monthHtml += "</select>";
724
725                 var yearHtml = '<select class="yearselect">';
726                 for (var y = minYear; y <= maxYear; y++) {
727                     yearHtml += '<option value="' + y + '"' +
728                         (y === currentYear ? ' selected="selected"' : '') +
729                         '>' + y + '</option>';
730                 }
731                 yearHtml += '</select>';
732
733                 dateHtml = monthHtml + yearHtml;
734             }
735
736             html += '<th colspan="5" class="month">' + dateHtml + '</th>';
737             if ((!maxDate || maxDate.isAfter(calendar.lastDay)) && (!this.linkedCalendars || side == 'right' || this.singleDatePicker)) {
738                 html += '<th class="next available"><i class="fa fa-chevron-right glyphicon glyphicon-chevron-right"></i></th>';
739             } else {
740                 html += '<th></th>';
741             }
742
743             html += '</tr>';
744             html += '<tr>';
745
746             // add week number label
747             if (this.showWeekNumbers)
748                 html += '<th class="week">' + this.locale.weekLabel + '</th>';
749
750             $.each(this.locale.daysOfWeek, function(index, dayOfWeek) {
751                 html += '<th>' + dayOfWeek + '</th>';
752             });
753
754             html += '</tr>';
755             html += '</thead>';
756             html += '<tbody>';
757
758             //adjust maxDate to reflect the dateLimit setting in order to
759             //grey out end dates beyond the dateLimit
760             if (this.endDate == null && this.dateLimit) {
761                 var maxLimit = this.startDate.clone().add(this.dateLimit).endOf('day');
762                 if (!maxDate || maxLimit.isBefore(maxDate)) {
763                     maxDate = maxLimit;
764                 }
765             }
766
767             for (var row = 0; row < 6; row++) {
768                 html += '<tr>';
769
770                 // add week number
771                 if (this.showWeekNumbers)
772                     html += '<td class="week">' + calendar[row][0].week() + '</td>';
773
774                 for (var col = 0; col < 7; col++) {
775
776                     var classes = [];
777
778                     //highlight today's date
779                     if (calendar[row][col].isSame(new Date(), "day"))
780                         classes.push('today');
781
782                     //highlight weekends
783                     if (calendar[row][col].isoWeekday() > 5)
784                         classes.push('weekend');
785
786                     //grey out the dates in other months displayed at beginning and end of this calendar
787                     if (calendar[row][col].month() != calendar[1][1].month())
788                         classes.push('off');
789
790                     //don't allow selection of dates before the minimum date
791                     if (this.minDate && calendar[row][col].isBefore(this.minDate, 'day'))
792                         classes.push('off', 'disabled');
793
794                     //don't allow selection of dates after the maximum date
795                     if (maxDate && calendar[row][col].isAfter(maxDate, 'day'))
796                         classes.push('off', 'disabled');
797
798                     //don't allow selection of date if a custom function decides it's invalid
799                     if (this.isInvalidDate(calendar[row][col]))
800                         classes.push('off', 'disabled');
801
802                     //highlight the currently selected start date
803                     if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD'))
804                         classes.push('active', 'start-date');
805
806                     //highlight the currently selected end date
807                     if (this.endDate != null && calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD'))
808                         classes.push('active', 'end-date');
809
810                     //highlight dates in-between the selected dates
811                     if (this.endDate != null && calendar[row][col] > this.startDate && calendar[row][col] < this.endDate)
812                         classes.push('in-range');
813
814                     var cname = '', disabled = false;
815                     for (var i = 0; i < classes.length; i++) {
816                         cname += classes[i] + ' ';
817                         if (classes[i] == 'disabled')
818                             disabled = true;
819                     }
820                     if (!disabled)
821                         cname += 'available';
822
823                     html += '<td class="' + cname.replace(/^\s+|\s+$/g, '') + '" data-title="' + 'r' + row + 'c' + col + '">' + calendar[row][col].date() + '</td>';
824
825                 }
826                 html += '</tr>';
827             }
828
829             html += '</tbody>';
830             html += '</table>';
831
832             this.container.find('.calendar.' + side + ' .calendar-table').html(html);
833
834         },
835
836         renderTimePicker: function(side) {
837
838             var html, selected, minDate, maxDate = this.maxDate;
839
840             if (this.dateLimit && (!this.maxDate || this.startDate.clone().add(this.dateLimit).isAfter(this.maxDate)))
841                 maxDate = this.startDate.clone().add(this.dateLimit);
842
843             if (side == 'left') {
844                 selected = this.startDate.clone();
845                 minDate = this.minDate;
846             } else if (side == 'right') {
847                 selected = this.endDate ? this.endDate.clone() : this.startDate.clone();
848                 minDate = this.startDate;
849             }
850
851             //
852             // hours
853             //
854
855             html = '<select class="hourselect">';
856
857             var start = this.timePicker24Hour ? 0 : 1;
858             var end = this.timePicker24Hour ? 23 : 12;
859
860             for (var i = start; i <= end; i++) {
861                 var i_in_24 = i;
862                 if (!this.timePicker24Hour)
863                     i_in_24 = selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : (i == 12 ? 0 : i);
864
865                 var time = selected.clone().hour(i_in_24);
866                 var disabled = false;
867                 if (minDate && time.minute(59).isBefore(minDate))
868                     disabled = true;
869                 if (maxDate && time.minute(0).isAfter(maxDate))
870                     disabled = true;
871
872                 if (i_in_24 == selected.hour() && !disabled) {
873                     html += '<option value="' + i + '" selected="selected">' + i + '</option>';
874                 } else if (disabled) {
875                     html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
876                 } else {
877                     html += '<option value="' + i + '">' + i + '</option>';
878                 }
879             }
880
881             html += '</select> ';
882
883             //
884             // minutes
885             //
886
887             html += ': <select class="minuteselect">';
888
889             for (var i = 0; i < 60; i += this.timePickerIncrement) {
890                 var padded = i < 10 ? '0' + i : i;
891                 var time = selected.clone().minute(i);
892
893                 var disabled = false;
894                 if (minDate && time.second(59).isBefore(minDate))
895                     disabled = true;
896                 if (maxDate && time.second(0).isAfter(maxDate))
897                     disabled = true;
898
899                 if (selected.minute() == i && !disabled) {
900                     html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
901                 } else if (disabled) {
902                     html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
903                 } else {
904                     html += '<option value="' + i + '">' + padded + '</option>';
905                 }
906             }
907
908             html += '</select> ';
909
910             //
911             // seconds
912             //
913
914             if (this.timePickerSeconds) {
915                 html += ': <select class="secondselect">';
916
917                 for (var i = 0; i < 60; i++) {
918                     var padded = i < 10 ? '0' + i : i;
919                     var time = selected.clone().second(i);
920
921                     var disabled = false;
922                     if (minDate && time.isBefore(minDate))
923                         disabled = true;
924                     if (maxDate && time.isAfter(maxDate))
925                         disabled = true;
926
927                     if (selected.second() == i && !disabled) {
928                         html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
929                     } else if (disabled) {
930                         html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
931                     } else {
932                         html += '<option value="' + i + '">' + padded + '</option>';
933                     }
934                 }
935
936                 html += '</select> ';
937             }
938
939             //
940             // AM/PM
941             //
942
943             if (!this.timePicker24Hour) {
944                 html += '<select class="ampmselect">';
945
946                 var am_html = '';
947                 var pm_html = '';
948
949                 if (minDate && selected.clone().hour(12).minute(0).second(0).isBefore(minDate))
950                     am_html = ' disabled="disabled" class="disabled"';
951
952                 if (maxDate && selected.clone().hour(0).minute(0).second(0).isAfter(maxDate))
953                     pm_html = ' disabled="disabled" class="disabled"';
954
955                 if (selected.hour() >= 12) {
956                     html += '<option value="AM"' + am_html + '>AM</option><option value="PM" selected="selected"' + pm_html + '>PM</option>';
957                 } else {
958                     html += '<option value="AM" selected="selected"' + am_html + '>AM</option><option value="PM"' + pm_html + '>PM</option>';
959                 }
960
961                 html += '</select>';
962             }
963
964             this.container.find('.calendar.' + side + ' .calendar-time div').html(html);
965
966         },
967
968         updateFormInputs: function() {
969
970             //ignore mouse movements while an above-calendar text input has focus
971             if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
972                 return;
973
974             this.container.find('input[name=daterangepicker_start]').val(this.startDate.format(this.locale.format));
975             if (this.endDate)
976                 this.container.find('input[name=daterangepicker_end]').val(this.endDate.format(this.locale.format));
977
978             if (this.singleDatePicker || (this.endDate && (this.startDate.isBefore(this.endDate) || this.startDate.isSame(this.endDate)))) {
979                 this.container.find('button.applyBtn').removeAttr('disabled');
980             } else {
981                 this.container.find('button.applyBtn').attr('disabled', 'disabled');
982             }
983
984         },
985
986         move: function() {
987             var parentOffset = { top: 0, left: 0 },
988                 containerTop;
989             var parentRightEdge = $(window).width();
990             if (!this.parentEl.is('body')) {
991                 parentOffset = {
992                     top: this.parentEl.offset().top - this.parentEl.scrollTop(),
993                     left: this.parentEl.offset().left - this.parentEl.scrollLeft()
994                 };
995                 parentRightEdge = this.parentEl[0].clientWidth + this.parentEl.offset().left;
996             }
997
998             if (this.drops == 'up')
999                 containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
1000             else
1001                 containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
1002             this.container[this.drops == 'up' ? 'addClass' : 'removeClass']('dropup');
1003
1004             if (this.opens == 'left') {
1005                 this.container.css({
1006                     top: containerTop,
1007                     right: parentRightEdge - this.element.offset().left - this.element.outerWidth(),
1008                     left: 'auto'
1009                 });
1010                 if (this.container.offset().left < 0) {
1011                     this.container.css({
1012                         right: 'auto',
1013                         left: 9
1014                     });
1015                 }
1016             } else if (this.opens == 'center') {
1017                 this.container.css({
1018                     top: containerTop,
1019                     left: this.element.offset().left - parentOffset.left + this.element.outerWidth() / 2
1020                             - this.container.outerWidth() / 2,
1021                     right: 'auto'
1022                 });
1023                 if (this.container.offset().left < 0) {
1024                     this.container.css({
1025                         right: 'auto',
1026                         left: 9
1027                     });
1028                 }
1029             } else {
1030                 this.container.css({
1031                     top: containerTop,
1032                     left: this.element.offset().left - parentOffset.left,
1033                     right: 'auto'
1034                 });
1035                 if (this.container.offset().left + this.container.outerWidth() > $(window).width()) {
1036                     this.container.css({
1037                         left: 'auto',
1038                         right: 0
1039                     });
1040                 }
1041             }
1042         },
1043
1044         show: function(e) {
1045             if (this.isShowing) return;
1046
1047             // Create a click proxy that is private to this instance of datepicker, for unbinding
1048             this._outsideClickProxy = $.proxy(function(e) { this.outsideClick(e); }, this);
1049
1050             // Bind global datepicker mousedown for hiding and
1051             $(document)
1052               .on('mousedown.daterangepicker', this._outsideClickProxy)
1053               // also support mobile devices
1054               .on('touchend.daterangepicker', this._outsideClickProxy)
1055               // also explicitly play nice with Bootstrap dropdowns, which stopPropagation when clicking them
1056               .on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideClickProxy)
1057               // and also close when focus changes to outside the picker (eg. tabbing between controls)
1058               .on('focusin.daterangepicker', this._outsideClickProxy);
1059
1060             // Reposition the picker if the window is resized while it's open
1061             $(window).on('resize.daterangepicker', $.proxy(function(e) { this.move(e); }, this));
1062
1063             this.oldStartDate = this.startDate.clone();
1064             this.oldEndDate = this.endDate.clone();
1065
1066             this.updateView();
1067             this.container.show();
1068             this.move();
1069             this.element.trigger('show.daterangepicker', this);
1070             this.isShowing = true;
1071         },
1072
1073         hide: function(e) {
1074             if (!this.isShowing) return;
1075
1076             //incomplete date selection, revert to last values
1077             if (!this.endDate) {
1078                 this.startDate = this.oldStartDate.clone();
1079                 this.endDate = this.oldEndDate.clone();
1080             }
1081
1082             //if a new date range was selected, invoke the user callback function
1083             if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
1084                 this.callback(this.startDate, this.endDate, this.chosenLabel);
1085
1086             //if picker is attached to a text input, update it
1087             this.updateElement();
1088
1089             $(document).off('.daterangepicker');
1090             $(window).off('.daterangepicker');
1091             this.container.hide();
1092             this.element.trigger('hide.daterangepicker', this);
1093             this.isShowing = false;
1094         },
1095
1096         toggle: function(e) {
1097             if (this.isShowing) {
1098                 this.hide();
1099             } else {
1100                 this.show();
1101             }
1102         },
1103
1104         outsideClick: function(e) {
1105             var target = $(e.target);
1106             // if the page is clicked anywhere except within the daterangerpicker/button
1107             // itself then call this.hide()
1108             if (
1109                 // ie modal dialog fix
1110                 e.type == "focusin" ||
1111                 target.closest(this.element).length ||
1112                 target.closest(this.container).length ||
1113                 target.closest('.calendar-table').length
1114                 ) return;
1115             this.hide();
1116         },
1117
1118         showCalendars: function() {
1119             this.container.addClass('show-calendar');
1120             this.move();
1121             this.element.trigger('showCalendar.daterangepicker', this);
1122         },
1123
1124         hideCalendars: function() {
1125             this.container.removeClass('show-calendar');
1126             this.element.trigger('hideCalendar.daterangepicker', this);
1127         },
1128
1129         hoverRange: function(e) {
1130
1131             //ignore mouse movements while an above-calendar text input has focus
1132             if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
1133                 return;
1134
1135             var label = e.target.innerHTML;
1136             if (label == this.locale.customRangeLabel) {
1137                 this.updateView();
1138             } else {
1139                 var dates = this.ranges[label];
1140                 this.container.find('input[name=daterangepicker_start]').val(dates[0].format(this.locale.format));
1141                 this.container.find('input[name=daterangepicker_end]').val(dates[1].format(this.locale.format));
1142             }
1143             
1144         },
1145
1146         clickRange: function(e) {
1147             var label = e.target.innerHTML;
1148             this.chosenLabel = label;
1149             if (label == this.locale.customRangeLabel) {
1150                 this.showCalendars();
1151             } else {
1152                 var dates = this.ranges[label];
1153                 this.startDate = dates[0];
1154                 this.endDate = dates[1];
1155
1156                 if (!this.timePicker) {
1157                     this.startDate.startOf('day');
1158                     this.endDate.endOf('day');
1159                 }
1160
1161                 this.hideCalendars();
1162                 this.clickApply();
1163             }
1164         },
1165
1166         clickPrev: function(e) {
1167             var cal = $(e.target).parents('.calendar');
1168             if (cal.hasClass('left')) {
1169                 this.leftCalendar.month.subtract(1, 'month');
1170                 if (this.linkedCalendars)
1171                     this.rightCalendar.month.subtract(1, 'month');
1172             } else {
1173                 this.rightCalendar.month.subtract(1, 'month');
1174             }
1175             this.updateCalendars();
1176         },
1177
1178         clickNext: function(e) {
1179             var cal = $(e.target).parents('.calendar');
1180             if (cal.hasClass('left')) {
1181                 this.leftCalendar.month.add(1, 'month');
1182             } else {
1183                 this.rightCalendar.month.add(1, 'month');
1184                 if (this.linkedCalendars)
1185                     this.leftCalendar.month.add(1, 'month');
1186             }
1187             this.updateCalendars();
1188         },
1189
1190         hoverDate: function(e) {
1191
1192             //ignore mouse movements while an above-calendar text input has focus
1193             if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
1194                 return;
1195
1196             //ignore dates that can't be selected
1197             if (!$(e.target).hasClass('available')) return;
1198
1199             //have the text inputs above calendars reflect the date being hovered over
1200             var title = $(e.target).attr('data-title');
1201             var row = title.substr(1, 1);
1202             var col = title.substr(3, 1);
1203             var cal = $(e.target).parents('.calendar');
1204             var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
1205
1206             if (this.endDate) {
1207                 this.container.find('input[name=daterangepicker_start]').val(date.format(this.locale.format));
1208             } else {
1209                 this.container.find('input[name=daterangepicker_end]').val(date.format(this.locale.format));
1210             }
1211
1212             //highlight the dates between the start date and the date being hovered as a potential end date
1213             var leftCalendar = this.leftCalendar;
1214             var rightCalendar = this.rightCalendar;
1215             var startDate = this.startDate;
1216             if (!this.endDate) {
1217                 this.container.find('.calendar td').each(function(index, el) {
1218
1219                     //skip week numbers, only look at dates
1220                     if ($(el).hasClass('week')) return;
1221
1222                     var title = $(el).attr('data-title');
1223                     var row = title.substr(1, 1);
1224                     var col = title.substr(3, 1);
1225                     var cal = $(el).parents('.calendar');
1226                     var dt = cal.hasClass('left') ? leftCalendar.calendar[row][col] : rightCalendar.calendar[row][col];
1227
1228                     if (dt.isAfter(startDate) && dt.isBefore(date)) {
1229                         $(el).addClass('in-range');
1230                     } else {
1231                         $(el).removeClass('in-range');
1232                     }
1233
1234                 });
1235             }
1236
1237         },
1238
1239         clickDate: function(e) {
1240
1241             if (!$(e.target).hasClass('available')) return;
1242
1243             var title = $(e.target).attr('data-title');
1244             var row = title.substr(1, 1);
1245             var col = title.substr(3, 1);
1246             var cal = $(e.target).parents('.calendar');
1247             var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
1248
1249             //
1250             // this function needs to do a few things:
1251             // * alternate between selecting a start and end date for the range,
1252             // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
1253             // * if autoapply is enabled, and an end date was chosen, apply the selection
1254             // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
1255             //
1256
1257             if (this.endDate || date.isBefore(this.startDate)) {
1258                 if (this.timePicker) {
1259                     var hour = parseInt(this.container.find('.left .hourselect').val(), 10);
1260                     if (!this.timePicker24Hour) {
1261                         var ampm = cal.find('.ampmselect').val();
1262                         if (ampm === 'PM' && hour < 12)
1263                             hour += 12;
1264                         if (ampm === 'AM' && hour === 12)
1265                             hour = 0;
1266                     }
1267                     var minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
1268                     var second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
1269                     date = date.clone().hour(hour).minute(minute).second(second);
1270                 }
1271                 this.endDate = null;
1272                 this.setStartDate(date.clone());
1273             } else {
1274                 if (this.timePicker) {
1275                     var hour = parseInt(this.container.find('.right .hourselect').val(), 10);
1276                     if (!this.timePicker24Hour) {
1277                         var ampm = this.container.find('.right .ampmselect').val();
1278                         if (ampm === 'PM' && hour < 12)
1279                             hour += 12;
1280                         if (ampm === 'AM' && hour === 12)
1281                             hour = 0;
1282                     }
1283                     var minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
1284                     var second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
1285                     date = date.clone().hour(hour).minute(minute).second(second);
1286                 }
1287                 this.setEndDate(date.clone());
1288                 if (this.autoApply)
1289                     this.clickApply();
1290             }
1291
1292             if (this.singleDatePicker) {
1293                 this.setEndDate(this.startDate);
1294                 if (!this.timePicker)
1295                     this.clickApply();
1296             }
1297
1298             this.updateView();
1299
1300         },
1301
1302         clickApply: function(e) {
1303             this.hide();
1304             this.element.trigger('apply.daterangepicker', this);
1305         },
1306
1307         clickCancel: function(e) {
1308             this.startDate = this.oldStartDate;
1309             this.endDate = this.oldEndDate;
1310             this.hide();
1311             this.element.trigger('cancel.daterangepicker', this);
1312         },
1313
1314         monthOrYearChanged: function(e) {
1315             var isLeft = $(e.target).closest('.calendar').hasClass('left'),
1316                 leftOrRight = isLeft ? 'left' : 'right',
1317                 cal = this.container.find('.calendar.'+leftOrRight);
1318
1319             // Month must be Number for new moment versions
1320             var month = parseInt(cal.find('.monthselect').val(), 10);
1321             var year = cal.find('.yearselect').val();
1322
1323             if (!isLeft) {
1324                 if (year < this.startDate.year() || (year == this.startDate.year() && month < this.startDate.month())) {
1325                     month = this.startDate.month();
1326                     year = this.startDate.year();
1327                 }
1328             }
1329
1330             if (this.minDate) {
1331                 if (year < this.minDate.year() || (year == this.minDate.year() && month < this.minDate.month())) {
1332                     month = this.minDate.month();
1333                     year = this.minDate.year();
1334                 }
1335             }
1336
1337             if (this.maxDate) {
1338                 if (year > this.maxDate.year() || (year == this.maxDate.year() && month > this.maxDate.month())) {
1339                     month = this.maxDate.month();
1340                     year = this.maxDate.year();
1341                 }
1342             }
1343
1344             if (isLeft) {
1345                 this.leftCalendar.month.month(month).year(year);
1346                 if (this.linkedCalendars)
1347                     this.rightCalendar.month = this.leftCalendar.month.clone().add(1, 'month');
1348             } else {
1349                 this.rightCalendar.month.month(month).year(year);
1350                 if (this.linkedCalendars)
1351                     this.leftCalendar.month = this.rightCalendar.month.clone().subtract(1, 'month');
1352             }
1353             this.updateCalendars();
1354         },
1355
1356         timeChanged: function(e) {
1357
1358             var cal = $(e.target).closest('.calendar'),
1359                 isLeft = cal.hasClass('left');
1360
1361             var hour = parseInt(cal.find('.hourselect').val(), 10);
1362             var minute = parseInt(cal.find('.minuteselect').val(), 10);
1363             var second = this.timePickerSeconds ? parseInt(cal.find('.secondselect').val(), 10) : 0;
1364
1365             if (!this.timePicker24Hour) {
1366                 var ampm = cal.find('.ampmselect').val();
1367                 if (ampm === 'PM' && hour < 12)
1368                     hour += 12;
1369                 if (ampm === 'AM' && hour === 12)
1370                     hour = 0;
1371             }
1372
1373             if (isLeft) {
1374                 var start = this.startDate.clone();
1375                 start.hour(hour);
1376                 start.minute(minute);
1377                 start.second(second);
1378                 this.setStartDate(start);
1379                 if (this.singleDatePicker) {
1380                     this.endDate = this.startDate.clone();
1381                 } else if (this.endDate && this.endDate.format('YYYY-MM-DD') == start.format('YYYY-MM-DD') && this.endDate.isBefore(start)) {
1382                     this.setEndDate(start.clone());
1383                 }
1384             } else if (this.endDate) {
1385                 var end = this.endDate.clone();
1386                 end.hour(hour);
1387                 end.minute(minute);
1388                 end.second(second);
1389                 this.setEndDate(end);
1390             }
1391
1392             //update the calendars so all clickable dates reflect the new time component
1393             this.updateCalendars();
1394
1395             //update the form inputs above the calendars with the new time
1396             this.updateFormInputs();
1397
1398             //re-render the time pickers because changing one selection can affect what's enabled in another
1399             this.renderTimePicker('left');
1400             this.renderTimePicker('right');
1401
1402         },
1403
1404         formInputsChanged: function(e) {
1405             var isRight = $(e.target).closest('.calendar').hasClass('right');
1406             var start = moment(this.container.find('input[name="daterangepicker_start"]').val(), this.locale.format);
1407             var end = moment(this.container.find('input[name="daterangepicker_end"]').val(), this.locale.format);
1408
1409             if (start.isValid() && end.isValid()) {
1410
1411                 if (isRight && end.isBefore(start))
1412                     start = end.clone();
1413
1414                 this.setStartDate(start);
1415                 this.setEndDate(end);
1416
1417                 if (isRight) {
1418                     this.container.find('input[name="daterangepicker_start"]').val(this.startDate.format(this.locale.format));
1419                 } else {
1420                     this.container.find('input[name="daterangepicker_end"]').val(this.endDate.format(this.locale.format));
1421                 }
1422
1423             }
1424
1425             this.updateCalendars();
1426             if (this.timePicker) {
1427                 this.renderTimePicker('left');
1428                 this.renderTimePicker('right');
1429             }
1430         },
1431
1432         elementChanged: function() {
1433             if (!this.element.is('input')) return;
1434             if (!this.element.val().length) return;
1435             if (this.element.val().length < this.locale.format.length) return;
1436
1437             var dateString = this.element.val().split(this.locale.separator),
1438                 start = null,
1439                 end = null;
1440
1441             if (dateString.length === 2) {
1442                 start = moment(dateString[0], this.locale.format);
1443                 end = moment(dateString[1], this.locale.format);
1444             }
1445
1446             if (this.singleDatePicker || start === null || end === null) {
1447                 start = moment(this.element.val(), this.locale.format);
1448                 end = start;
1449             }
1450
1451             if (!start.isValid() || !end.isValid()) return;
1452
1453             this.setStartDate(start);
1454             this.setEndDate(end);
1455             this.updateView();
1456         },
1457
1458         keydown: function(e) {
1459             //hide on tab or enter
1460             if ((e.keyCode === 9) || (e.keyCode === 13)) {
1461                 this.hide();
1462             }
1463         },
1464
1465         updateElement: function() {
1466             if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
1467                 this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
1468                 this.element.trigger('change');
1469             } else if (this.element.is('input') && this.autoUpdateInput) {
1470                 this.element.val(this.startDate.format(this.locale.format));
1471                 this.element.trigger('change');
1472             }
1473         },
1474
1475         remove: function() {
1476             this.container.remove();
1477             this.element.off('.daterangepicker');
1478             this.element.removeData();
1479         }
1480
1481     };
1482
1483     $.fn.daterangepicker = function(options, callback) {
1484         this.each(function() {
1485             var el = $(this);
1486             if (el.data('daterangepicker'))
1487                 el.data('daterangepicker').remove();
1488             el.data('daterangepicker', new DateRangePicker(el, options, callback));
1489         });
1490         return this;
1491     };
1492
1493 }));