js/daterangepicker.js

   1 /**
   2 * @version: 2.1.23
   3 * @author: Dan Grossman http://www.dangrossman.info/
   4 * @copyright: Copyright (c) 2012-2016 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 // Follow the UMD template https://github.com/umdjs/umd/blob/master/templates/returnExportsGlobal.js
   9 (function (root, factory) {
  10     if (typeof define === 'function' && define.amd) {
  11         // AMD. Make globaly available as well
  12         define(['moment', 'jquery'], function (moment, jquery) {
  13             return (root.daterangepicker = factory(moment, jquery));
  14         });
  15     } else if (typeof module === 'object' && module.exports) {
  16         // Node / Browserify
  17         //isomorphic issue
  18         var jQuery = (typeof window != 'undefined') ? window.jQuery : undefined;
  19         if (!jQuery) {
  20             jQuery = require('jquery');
  21             if (!jQuery.fn) jQuery.fn = {};
  22         }
  23         module.exports = factory(require('moment'), jQuery);
  24     } else {
  25         // Browser globals
  26         root.daterangepicker = factory(root.moment, root.jQuery);
  27     }
  28 }(this, function(moment, $) {
  29     var DateRangePicker = function(element, options, cb) {
  30
  31         //default settings for options
  32         this.parentEl = 'body';
  33         this.element = $(element);
  34         this.startDate = moment().startOf('day');
  35         this.endDate = moment().endOf('day');
  36         this.minDate = false;
  37         this.maxDate = false;
  38         this.dateLimit = false;
  39         this.autoApply = false;
  40         this.singleDatePicker = false;
  41         this.showDropdowns = false;
  42         this.showWeekNumbers = false;
  43         this.showISOWeekNumbers = false;
  44         this.timePicker = false;
  45         this.timePicker24Hour = false;
  46         this.timePickerIncrement = 1;
  47         this.timePickerSeconds = false;
  48         this.linkedCalendars = true;
  49         this.autoUpdateInput = true;
  50         this.alwaysShowCalendars = false;
  51         this.ranges = {};
  52
  53         this.opens = 'right';
  54         if (this.element.hasClass('pull-right'))
  55             this.opens = 'left';
  56
  57         this.drops = 'down';
  58         if (this.element.hasClass('dropup'))
  59             this.drops = 'up';
  60
  61         this.buttonClasses = 'btn btn-sm';
  62         this.applyClass = 'btn-success';
  63         this.cancelClass = 'btn-default';
  64
  65         this.locale = {
  66             direction: 'ltr',
  67             format: 'MM/DD/YYYY',
  68             separator: ' - ',
  69             applyLabel: 'Apply',
  70             cancelLabel: 'Cancel',
  71             weekLabel: 'W',
  72             customRangeLabel: 'Custom Range',
  73             daysOfWeek: moment.weekdaysMin(),
  74             monthNames: moment.monthsShort(),
  75             firstDay: moment.localeData().firstDayOfWeek()
  76         };
  77
  78         this.callback = function() { };
  79
  80         //some state information
  81         this.isShowing = false;
  82         this.leftCalendar = {};
  83         this.rightCalendar = {};
  84
  85         //custom options from user
  86         if (typeof options !== 'object' || options === null)
  87             options = {};
  88
  89         //allow setting options with data attributes
  90         //data-api options will be overwritten with custom javascript options
  91         options = $.extend(this.element.data(), options);
  92
  93         //html template for the picker UI
  94         if (typeof options.template !== 'string' && !(options.template instanceof $))
  95             options.template = '<div class="daterangepicker dropdown-menu">' +
  96                 '<div class="calendar left">' +
  97                     '<div class="daterangepicker_input">' +
  98                       '<input class="input-mini form-control" type="text" name="daterangepicker_start" value="" />' +
  99                       '<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
 100                       '<div class="calendar-time">' +
 101                         '<div></div>' +
 102                         '<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
 103                       '</div>' +
 104                     '</div>' +
 105                     '<div class="calendar-table"></div>' +
 106                 '</div>' +
 107                 '<div class="calendar right">' +
 108                     '<div class="daterangepicker_input">' +
 109                       '<input class="input-mini form-control" type="text" name="daterangepicker_end" value="" />' +
 110                       '<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
 111                       '<div class="calendar-time">' +
 112                         '<div></div>' +
 113                         '<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
 114                       '</div>' +
 115                     '</div>' +
 116                     '<div class="calendar-table"></div>' +
 117                 '</div>' +
 118                 '<div class="ranges">' +
 119                     '<div class="range_inputs">' +
 120                         '<button class="applyBtn" disabled="disabled" type="button"></button> ' +
 121                         '<button class="cancelBtn" type="button"></button>' +
 122                     '</div>' +
 123                 '</div>' +
 124             '</div>';
 125
 126         this.parentEl = (options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);
 127         this.container = $(options.template).appendTo(this.parentEl);
 128
 129         //
 130         // handle all the possible options overriding defaults
 131         //
 132
 133         if (typeof options.locale === 'object') {
 134
 135             if (typeof options.locale.direction === 'string')
 136                 this.locale.direction = options.locale.direction;
 137
 138             if (typeof options.locale.format === 'string')
 139                 this.locale.format = options.locale.format;
 140
 141             if (typeof options.locale.separator === 'string')
 142                 this.locale.separator = options.locale.separator;
 143
 144             if (typeof options.locale.daysOfWeek === 'object')
 145                 this.locale.daysOfWeek = options.locale.daysOfWeek.slice();
 146
 147             if (typeof options.locale.monthNames === 'object')
 148               this.locale.monthNames = options.locale.monthNames.slice();
 149
 150             if (typeof options.locale.firstDay === 'number')
 151               this.locale.firstDay = options.locale.firstDay;
 152
 153             if (typeof options.locale.applyLabel === 'string')
 154               this.locale.applyLabel = options.locale.applyLabel;
 155
 156             if (typeof options.locale.cancelLabel === 'string')
 157               this.locale.cancelLabel = options.locale.cancelLabel;
 158
 159             if (typeof options.locale.weekLabel === 'string')
 160               this.locale.weekLabel = options.locale.weekLabel;
 161
 162             if (typeof options.locale.customRangeLabel === 'string')
 163               this.locale.customRangeLabel = options.locale.customRangeLabel;
 164
 165         }
 166         this.container.addClass(this.locale.direction);
 167
 168         if (typeof options.startDate === 'string')
 169             this.startDate = moment(options.startDate, this.locale.format);
 170
 171         if (typeof options.endDate === 'string')
 172             this.endDate = moment(options.endDate, this.locale.format);
 173
 174         if (typeof options.minDate === 'string')
 175             this.minDate = moment(options.minDate, this.locale.format);
 176
 177         if (typeof options.maxDate === 'string')
 178             this.maxDate = moment(options.maxDate, this.locale.format);
 179
 180         if (typeof options.startDate === 'object')
 181             this.startDate = moment(options.startDate);
 182
 183         if (typeof options.endDate === 'object')
 184             this.endDate = moment(options.endDate);
 185
 186         if (typeof options.minDate === 'object')
 187             this.minDate = moment(options.minDate);
 188
 189         if (typeof options.maxDate === 'object')
 190             this.maxDate = moment(options.maxDate);
 191
 192         // sanity check for bad options
 193         if (this.minDate && this.startDate.isBefore(this.minDate))
 194             this.startDate = this.minDate.clone();
 195
 196         // sanity check for bad options
 197         if (this.maxDate && this.endDate.isAfter(this.maxDate))
 198             this.endDate = this.maxDate.clone();
 199
 200         if (typeof options.applyClass === 'string')
 201             this.applyClass = options.applyClass;
 202
 203         if (typeof options.cancelClass === 'string')
 204             this.cancelClass = options.cancelClass;
 205
 206         if (typeof options.dateLimit === 'object')
 207             this.dateLimit = options.dateLimit;
 208
 209         if (typeof options.opens === 'string')
 210             this.opens = options.opens;
 211
 212         if (typeof options.drops === 'string')
 213             this.drops = options.drops;
 214
 215         if (typeof options.showWeekNumbers === 'boolean')
 216             this.showWeekNumbers = options.showWeekNumbers;
 217
 218         if (typeof options.showISOWeekNumbers === 'boolean')
 219             this.showISOWeekNumbers = options.showISOWeekNumbers;
 220
 221         if (typeof options.buttonClasses === 'string')
 222             this.buttonClasses = options.buttonClasses;
 223
 224         if (typeof options.buttonClasses === 'object')
 225             this.buttonClasses = options.buttonClasses.join(' ');
 226
 227         if (typeof options.showDropdowns === 'boolean')
 228             this.showDropdowns = options.showDropdowns;
 229
 230         if (typeof options.singleDatePicker === 'boolean') {
 231             this.singleDatePicker = options.singleDatePicker;
 232             if (this.singleDatePicker)
 233                 this.endDate = this.startDate.clone();
 234         }
 235
 236         if (typeof options.timePicker === 'boolean')
 237             this.timePicker = options.timePicker;
 238
 239         if (typeof options.timePickerSeconds === 'boolean')
 240             this.timePickerSeconds = options.timePickerSeconds;
 241
 242         if (typeof options.timePickerIncrement === 'number')
 243             this.timePickerIncrement = options.timePickerIncrement;
 244
 245         if (typeof options.timePicker24Hour === 'boolean')
 246             this.timePicker24Hour = options.timePicker24Hour;
 247
 248         if (typeof options.autoApply === 'boolean')
 249             this.autoApply = options.autoApply;
 250
 251         if (typeof options.autoUpdateInput === 'boolean')
 252             this.autoUpdateInput = options.autoUpdateInput;
 253
 254         if (typeof options.linkedCalendars === 'boolean')
 255             this.linkedCalendars = options.linkedCalendars;
 256
 257         if (typeof options.isInvalidDate === 'function')
 258             this.isInvalidDate = options.isInvalidDate;
 259
 260         if (typeof options.isCustomDate === 'function')
 261             this.isCustomDate = options.isCustomDate;
 262
 263         if (typeof options.alwaysShowCalendars === 'boolean')
 264             this.alwaysShowCalendars = options.alwaysShowCalendars;
 265
 266         // update day names order to firstDay
 267         if (this.locale.firstDay != 0) {
 268             var iterator = this.locale.firstDay;
 269             while (iterator > 0) {
 270                 this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());
 271                 iterator--;
 272             }
 273         }
 274
 275         var start, end, range;
 276
 277         //if no start/end dates set, check if an input element contains initial values
 278         if (typeof options.startDate === 'undefined' && typeof options.endDate === 'undefined') {
 279             if ($(this.element).is('input[type=text]')) {
 280                 var val = $(this.element).val(),
 281                     split = val.split(this.locale.separator);
 282
 283                 start = end = null;
 284
 285                 if (split.length == 2) {
 286                     start = moment(split[0], this.locale.format);
 287                     end = moment(split[1], this.locale.format);
 288                 } else if (this.singleDatePicker && val !== "") {
 289                     start = moment(val, this.locale.format);
 290                     end = moment(val, this.locale.format);
 291                 }
 292                 if (start !== null && end !== null) {
 293                     this.setStartDate(start);
 294                     this.setEndDate(end);
 295                 }
 296             }
 297         }
 298
 299         if (typeof options.ranges === 'object') {
 300             for (range in options.ranges) {
 301
 302                 if (typeof options.ranges[range][0] === 'string')
 303                     start = moment(options.ranges[range][0], this.locale.format);
 304                 else
 305                     start = moment(options.ranges[range][0]);
 306
 307                 if (typeof options.ranges[range][1] === 'string')
 308                     end = moment(options.ranges[range][1], this.locale.format);
 309                 else
 310                     end = moment(options.ranges[range][1]);
 311
 312                 // If the start or end date exceed those allowed by the minDate or dateLimit
 313                 // options, shorten the range to the allowable period.
 314                 if (this.minDate && start.isBefore(this.minDate))
 315                     start = this.minDate.clone();
 316
 317                 var maxDate = this.maxDate;
 318                 if (this.dateLimit && maxDate && start.clone().add(this.dateLimit).isAfter(maxDate))
 319                     maxDate = start.clone().add(this.dateLimit);
 320                 if (maxDate && end.isAfter(maxDate))
 321                     end = maxDate.clone();
 322
 323                 // If the end of the range is before the minimum or the start of the range is
 324                 // after the maximum, don't display this range option at all.
 325                 if ((this.minDate && end.isBefore(this.minDate, this.timepicker ? 'minute' : 'day'))
 326                   || (maxDate && start.isAfter(maxDate, this.timepicker ? 'minute' : 'day')))
 327                     continue;
 328
 329                 //Support unicode chars in the range names.
 330                 var elem = document.createElement('textarea');
 331                 elem.innerHTML = range;
 332                 var rangeHtml = elem.value;
 333
 334                 this.ranges[rangeHtml] = [start, end];
 335             }
 336
 337             var list = '<ul>';
 338             for (range in this.ranges) {
 339                 list += '<li data-range-key="' + range + '">' + range + '</li>';
 340             }
 341             list += '<li data-range-key="' + this.locale.customRangeLabel + '">' + this.locale.customRangeLabel + '</li>';
 342             list += '</ul>';
 343             this.container.find('.ranges').prepend(list);
 344         }
 345
 346         if (typeof cb === 'function') {
 347             this.callback = cb;
 348         }
 349
 350         if (!this.timePicker) {
 351             this.startDate = this.startDate.startOf('day');
 352             this.endDate = this.endDate.endOf('day');
 353             this.container.find('.calendar-time').hide();
 354         }
 355
 356         //can't be used together for now
 357         if (this.timePicker && this.autoApply)
 358             this.autoApply = false;
 359
 360         if (this.autoApply && typeof options.ranges !== 'object') {
 361             this.container.find('.ranges').hide();
 362         } else if (this.autoApply) {
 363             this.container.find('.applyBtn, .cancelBtn').addClass('hide');
 364         }
 365
 366         if (this.singleDatePicker) {
 367             this.container.addClass('single');
 368             this.container.find('.calendar.left').addClass('single');
 369             this.container.find('.calendar.left').show();
 370             this.container.find('.calendar.right').hide();
 371             this.container.find('.daterangepicker_input input, .daterangepicker_input > i').hide();
 372             if (this.timePicker) {
 373                 this.container.find('.ranges ul').hide();
 374             } else {
 375                 this.container.find('.ranges').hide();
 376             }
 377         }
 378
 379         if ((typeof options.ranges === 'undefined' && !this.singleDatePicker) || this.alwaysShowCalendars) {
 380             this.container.addClass('show-calendar');
 381         }
 382
 383         this.container.addClass('opens' + this.opens);
 384
 385         //swap the position of the predefined ranges if opens right
 386         if (typeof options.ranges !== 'undefined' && this.opens == 'right') {
 387             this.container.find('.ranges').prependTo( this.container.find('.calendar.left').parent() );
 388         }
 389
 390         //apply CSS classes and labels to buttons
 391         this.container.find('.applyBtn, .cancelBtn').addClass(this.buttonClasses);
 392         if (this.applyClass.length)
 393             this.container.find('.applyBtn').addClass(this.applyClass);
 394         if (this.cancelClass.length)
 395             this.container.find('.cancelBtn').addClass(this.cancelClass);
 396         this.container.find('.applyBtn').html(this.locale.applyLabel);
 397         this.container.find('.cancelBtn').html(this.locale.cancelLabel);
 398
 399         //
 400         // event listeners
 401         //
 402
 403         this.container.find('.calendar')
 404             .on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))
 405             .on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))
 406             .on('click.daterangepicker', 'td.available', $.proxy(this.clickDate, this))
 407             .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))
 408             .on('mouseleave.daterangepicker', 'td.available', $.proxy(this.updateFormInputs, this))
 409             .on('change.daterangepicker', 'select.yearselect', $.proxy(this.monthOrYearChanged, this))
 410             .on('change.daterangepicker', 'select.monthselect', $.proxy(this.monthOrYearChanged, this))
 411             .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.timeChanged, this))
 412             .on('click.daterangepicker', '.daterangepicker_input input', $.proxy(this.showCalendars, this))
 413             .on('focus.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsFocused, this))
 414             .on('blur.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsBlurred, this))
 415             .on('change.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsChanged, this));
 416
 417         this.container.find('.ranges')
 418             .on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))
 419             .on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this))
 420             .on('click.daterangepicker', 'li', $.proxy(this.clickRange, this))
 421             .on('mouseenter.daterangepicker', 'li', $.proxy(this.hoverRange, this))
 422             .on('mouseleave.daterangepicker', 'li', $.proxy(this.updateFormInputs, this));
 423
 424         if (this.element.is('input') || this.element.is('button')) {
 425             this.element.on({
 426                 'click.daterangepicker': $.proxy(this.show, this),
 427                 'focus.daterangepicker': $.proxy(this.show, this),
 428                 'keyup.daterangepicker': $.proxy(this.elementChanged, this),
 429                 'keydown.daterangepicker': $.proxy(this.keydown, this)
 430             });
 431         } else {
 432             this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
 433         }
 434
 435         //
 436         // if attached to a text input, set the initial value
 437         //
 438
 439         if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
 440             this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
 441             this.element.trigger('change');
 442         } else if (this.element.is('input') && this.autoUpdateInput) {
 443             this.element.val(this.startDate.format(this.locale.format));
 444             this.element.trigger('change');
 445         }
 446
 447     };
 448
 449     DateRangePicker.prototype = {
 450
 451         constructor: DateRangePicker,
 452
 453         setStartDate: function(startDate) {
 454             if (typeof startDate === 'string')
 455                 this.startDate = moment(startDate, this.locale.format);
 456
 457             if (typeof startDate === 'object')
 458                 this.startDate = moment(startDate);
 459
 460             if (!this.timePicker)
 461                 this.startDate = this.startDate.startOf('day');
 462
 463             if (this.timePicker && this.timePickerIncrement)
 464                 this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
 465
 466             if (this.minDate && this.startDate.isBefore(this.minDate)) {
 467                 this.startDate = this.minDate;
 468                 if (this.timePicker && this.timePickerIncrement)
 469                     this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
 470             }
 471
 472             if (this.maxDate && this.startDate.isAfter(this.maxDate)) {
 473                 this.startDate = this.maxDate;
 474                 if (this.timePicker && this.timePickerIncrement)
 475                     this.startDate.minute(Math.floor(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
 476             }
 477
 478             if (!this.isShowing)
 479                 this.updateElement();
 480
 481             this.updateMonthsInView();
 482         },
 483
 484         setEndDate: function(endDate) {
 485             if (typeof endDate === 'string')
 486                 this.endDate = moment(endDate, this.locale.format);
 487
 488             if (typeof endDate === 'object')
 489                 this.endDate = moment(endDate);
 490
 491             if (!this.timePicker)
 492                 this.endDate = this.endDate.endOf('day');
 493
 494             if (this.timePicker && this.timePickerIncrement)
 495                 this.endDate.minute(Math.round(this.endDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
 496
 497             if (this.endDate.isBefore(this.startDate))
 498                 this.endDate = this.startDate.clone();
 499
 500             if (this.maxDate && this.endDate.isAfter(this.maxDate))
 501                 this.endDate = this.maxDate;
 502
 503             if (this.dateLimit && this.startDate.clone().add(this.dateLimit).isBefore(this.endDate))
 504                 this.endDate = this.startDate.clone().add(this.dateLimit);
 505
 506             this.previousRightTime = this.endDate.clone();
 507
 508             if (!this.isShowing)
 509                 this.updateElement();
 510
 511             this.updateMonthsInView();
 512         },
 513
 514         isInvalidDate: function() {
 515             return false;
 516         },
 517
 518         isCustomDate: function() {
 519             return false;
 520         },
 521
 522         updateView: function() {
 523             if (this.timePicker) {
 524                 this.renderTimePicker('left');
 525                 this.renderTimePicker('right');
 526                 if (!this.endDate) {
 527                     this.container.find('.right .calendar-time select').attr('disabled', 'disabled').addClass('disabled');
 528                 } else {
 529                     this.container.find('.right .calendar-time select').removeAttr('disabled').removeClass('disabled');
 530                 }
 531             }
 532             if (this.endDate) {
 533                 this.container.find('input[name="daterangepicker_end"]').removeClass('active');
 534                 this.container.find('input[name="daterangepicker_start"]').addClass('active');
 535             } else {
 536                 this.container.find('input[name="daterangepicker_end"]').addClass('active');
 537                 this.container.find('input[name="daterangepicker_start"]').removeClass('active');
 538             }
 539             this.updateMonthsInView();
 540             this.updateCalendars();
 541             this.updateFormInputs();
 542         },
 543
 544         updateMonthsInView: function() {
 545             if (this.endDate) {
 546
 547                 //if both dates are visible already, do nothing
 548                 if (!this.singleDatePicker && this.leftCalendar.month && this.rightCalendar.month &&
 549                     (this.startDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.startDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
 550                     &&
 551                     (this.endDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.endDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
 552                     ) {
 553                     return;
 554                 }
 555
 556                 this.leftCalendar.month = this.startDate.clone().date(2);
 557                 if (!this.linkedCalendars && (this.endDate.month() != this.startDate.month() || this.endDate.year() != this.startDate.year())) {
 558                     this.rightCalendar.month = this.endDate.clone().date(2);
 559                 } else {
 560                     this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
 561                 }
 562
 563             } else {
 564                 if (this.leftCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM') && this.rightCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM')) {
 565                     this.leftCalendar.month = this.startDate.clone().date(2);
 566                     this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
 567                 }
 568             }
 569             if (this.maxDate && this.linkedCalendars && !this.singleDatePicker && this.rightCalendar.month > this.maxDate) {
 570               this.rightCalendar.month = this.maxDate.clone().date(2);
 571               this.leftCalendar.month = this.maxDate.clone().date(2).subtract(1, 'month');
 572             }
 573         },
 574
 575         updateCalendars: function() {
 576
 577             if (this.timePicker) {
 578                 var hour, minute, second;
 579                 if (this.endDate) {
 580                     hour = parseInt(this.container.find('.left .hourselect').val(), 10);
 581                     minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
 582                     second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
 583                     if (!this.timePicker24Hour) {
 584                         var ampm = this.container.find('.left .ampmselect').val();
 585                         if (ampm === 'PM' && hour < 12)
 586                             hour += 12;
 587                         if (ampm === 'AM' && hour === 12)
 588                             hour = 0;
 589                     }
 590                 } else {
 591                     hour = parseInt(this.container.find('.right .hourselect').val(), 10);
 592                     minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
 593                     second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
 594                     if (!this.timePicker24Hour) {
 595                         var ampm = this.container.find('.right .ampmselect').val();
 596                         if (ampm === 'PM' && hour < 12)
 597                             hour += 12;
 598                         if (ampm === 'AM' && hour === 12)
 599                             hour = 0;
 600                     }
 601                 }
 602                 this.leftCalendar.month.hour(hour).minute(minute).second(second);
 603                 this.rightCalendar.month.hour(hour).minute(minute).second(second);
 604             }
 605
 606             this.renderCalendar('left');
 607             this.renderCalendar('right');
 608
 609             //highlight any predefined range matching the current start and end dates
 610             this.container.find('.ranges li').removeClass('active');
 611             if (this.endDate == null) return;
 612
 613             this.calculateChosenLabel();
 614         },
 615
 616         renderCalendar: function(side) {
 617
 618             //
 619             // Build the matrix of dates that will populate the calendar
 620             //
 621
 622             var calendar = side == 'left' ? this.leftCalendar : this.rightCalendar;
 623             var month = calendar.month.month();
 624             var year = calendar.month.year();
 625             var hour = calendar.month.hour();
 626             var minute = calendar.month.minute();
 627             var second = calendar.month.second();
 628             var daysInMonth = moment([year, month]).daysInMonth();
 629             var firstDay = moment([year, month, 1]);
 630             var lastDay = moment([year, month, daysInMonth]);
 631             var lastMonth = moment(firstDay).subtract(1, 'month').month();
 632             var lastYear = moment(firstDay).subtract(1, 'month').year();
 633             var daysInLastMonth = moment([lastYear, lastMonth]).daysInMonth();
 634             var dayOfWeek = firstDay.day();
 635
 636             //initialize a 6 rows x 7 columns array for the calendar
 637             var calendar = [];
 638             calendar.firstDay = firstDay;
 639             calendar.lastDay = lastDay;
 640
 641             for (var i = 0; i < 6; i++) {
 642                 calendar[i] = [];
 643             }
 644
 645             //populate the calendar with date objects
 646             var startDay = daysInLastMonth - dayOfWeek + this.locale.firstDay + 1;
 647             if (startDay > daysInLastMonth)
 648                 startDay -= 7;
 649
 650             if (dayOfWeek == this.locale.firstDay)
 651                 startDay = daysInLastMonth - 6;
 652
 653             var curDate = moment([lastYear, lastMonth, startDay, 12, minute, second]);
 654
 655             var col, row;
 656             for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = moment(curDate).add(24, 'hour')) {
 657                 if (i > 0 && col % 7 === 0) {
 658                     col = 0;
 659                     row++;
 660                 }
 661                 calendar[row][col] = curDate.clone().hour(hour).minute(minute).second(second);
 662                 curDate.hour(12);
 663
 664                 if (this.minDate && calendar[row][col].format('YYYY-MM-DD') == this.minDate.format('YYYY-MM-DD') && calendar[row][col].isBefore(this.minDate) && side == 'left') {
 665                     calendar[row][col] = this.minDate.clone();
 666                 }
 667
 668                 if (this.maxDate && calendar[row][col].format('YYYY-MM-DD') == this.maxDate.format('YYYY-MM-DD') && calendar[row][col].isAfter(this.maxDate) && side == 'right') {
 669                     calendar[row][col] = this.maxDate.clone();
 670                 }
 671
 672             }
 673
 674             //make the calendar object available to hoverDate/clickDate
 675             if (side == 'left') {
 676                 this.leftCalendar.calendar = calendar;
 677             } else {
 678                 this.rightCalendar.calendar = calendar;
 679             }
 680
 681             //
 682             // Display the calendar
 683             //
 684
 685             var minDate = side == 'left' ? this.minDate : this.startDate;
 686             var maxDate = this.maxDate;
 687             var selected = side == 'left' ? this.startDate : this.endDate;
 688             var arrow = this.locale.direction == 'ltr' ? {left: 'chevron-left', right: 'chevron-right'} : {left: 'chevron-right', right: 'chevron-left'};
 689
 690             var html = '<table class="table-condensed">';
 691             html += '<thead>';
 692             html += '<tr>';
 693
 694             // add empty cell for week number
 695             if (this.showWeekNumbers || this.showISOWeekNumbers)
 696                 html += '<th></th>';
 697
 698             if ((!minDate || minDate.isBefore(calendar.firstDay)) && (!this.linkedCalendars || side == 'left')) {
 699                 html += '<th class="prev available"><i class="fa fa-' + arrow.left + ' glyphicon glyphicon-' + arrow.left + '"></i></th>';
 700             } else {
 701                 html += '<th></th>';
 702             }
 703
 704             var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");
 705
 706             if (this.showDropdowns) {
 707                 var currentMonth = calendar[1][1].month();
 708                 var currentYear = calendar[1][1].year();
 709                 var maxYear = (maxDate && maxDate.year()) || (currentYear + 5);
 710                 var minYear = (minDate && minDate.year()) || (currentYear - 50);
 711                 var inMinYear = currentYear == minYear;
 712                 var inMaxYear = currentYear == maxYear;
 713
 714                 var monthHtml = '<select class="monthselect">';
 715                 for (var m = 0; m < 12; m++) {
 716                     if ((!inMinYear || m >= minDate.month()) && (!inMaxYear || m <= maxDate.month())) {
 717                         monthHtml += "<option value='" + m + "'" +
 718                             (m === currentMonth ? " selected='selected'" : "") +
 719                             ">" + this.locale.monthNames[m] + "</option>";
 720                     } else {
 721                         monthHtml += "<option value='" + m + "'" +
 722                             (m === currentMonth ? " selected='selected'" : "") +
 723                             " disabled='disabled'>" + this.locale.monthNames[m] + "</option>";
 724                     }
 725                 }
 726                 monthHtml += "</select>";
 727
 728                 var yearHtml = '<select class="yearselect">';
 729                 for (var y = minYear; y <= maxYear; y++) {
 730                     yearHtml += '<option value="' + y + '"' +
 731                         (y === currentYear ? ' selected="selected"' : '') +
 732                         '>' + y + '</option>';
 733                 }
 734                 yearHtml += '</select>';
 735
 736                 dateHtml = monthHtml + yearHtml;
 737             }
 738
 739             html += '<th colspan="5" class="month">' + dateHtml + '</th>';
 740             if ((!maxDate || maxDate.isAfter(calendar.lastDay)) && (!this.linkedCalendars || side == 'right' || this.singleDatePicker)) {
 741                 html += '<th class="next available"><i class="fa fa-' + arrow.right + ' glyphicon glyphicon-' + arrow.right + '"></i></th>';
 742             } else {
 743                 html += '<th></th>';
 744             }
 745
 746             html += '</tr>';
 747             html += '<tr>';
 748
 749             // add week number label
 750             if (this.showWeekNumbers || this.showISOWeekNumbers)
 751                 html += '<th class="week">' + this.locale.weekLabel + '</th>';
 752
 753             $.each(this.locale.daysOfWeek, function(index, dayOfWeek) {
 754                 html += '<th>' + dayOfWeek + '</th>';
 755             });
 756
 757             html += '</tr>';
 758             html += '</thead>';
 759             html += '<tbody>';
 760
 761             //adjust maxDate to reflect the dateLimit setting in order to
 762             //grey out end dates beyond the dateLimit
 763             if (this.endDate == null && this.dateLimit) {
 764                 var maxLimit = this.startDate.clone().add(this.dateLimit).endOf('day');
 765                 if (!maxDate || maxLimit.isBefore(maxDate)) {
 766                     maxDate = maxLimit;
 767                 }
 768             }
 769
 770             for (var row = 0; row < 6; row++) {
 771                 html += '<tr>';
 772
 773                 // add week number
 774                 if (this.showWeekNumbers)
 775                     html += '<td class="week">' + calendar[row][0].week() + '</td>';
 776                 else if (this.showISOWeekNumbers)
 777                     html += '<td class="week">' + calendar[row][0].isoWeek() + '</td>';
 778
 779                 for (var col = 0; col < 7; col++) {
 780
 781                     var classes = [];
 782
 783                     //highlight today's date
 784                     if (calendar[row][col].isSame(new Date(), "day"))
 785                         classes.push('today');
 786
 787                     //highlight weekends
 788                     if (calendar[row][col].isoWeekday() > 5)
 789                         classes.push('weekend');
 790
 791                     //grey out the dates in other months displayed at beginning and end of this calendar
 792                     if (calendar[row][col].month() != calendar[1][1].month())
 793                         classes.push('off');
 794
 795                     //don't allow selection of dates before the minimum date
 796                     if (this.minDate && calendar[row][col].isBefore(this.minDate, 'day'))
 797                         classes.push('off', 'disabled');
 798
 799                     //don't allow selection of dates after the maximum date
 800                     if (maxDate && calendar[row][col].isAfter(maxDate, 'day'))
 801                         classes.push('off', 'disabled');
 802
 803                     //don't allow selection of date if a custom function decides it's invalid
 804                     if (this.isInvalidDate(calendar[row][col]))
 805                         classes.push('off', 'disabled');
 806
 807                     //highlight the currently selected start date
 808                     if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD'))
 809                         classes.push('active', 'start-date');
 810
 811                     //highlight the currently selected end date
 812                     if (this.endDate != null && calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD'))
 813                         classes.push('active', 'end-date');
 814
 815                     //highlight dates in-between the selected dates
 816                     if (this.endDate != null && calendar[row][col] > this.startDate && calendar[row][col] < this.endDate)
 817                         classes.push('in-range');
 818
 819                     //apply custom classes for this date
 820                     var isCustom = this.isCustomDate(calendar[row][col]);
 821                     if (isCustom !== false) {
 822                         if (typeof isCustom === 'string')
 823                             classes.push(isCustom);
 824                         else
 825                             Array.prototype.push.apply(classes, isCustom);
 826                     }
 827
 828                     var cname = '', disabled = false;
 829                     for (var i = 0; i < classes.length; i++) {
 830                         cname += classes[i] + ' ';
 831                         if (classes[i] == 'disabled')
 832                             disabled = true;
 833                     }
 834                     if (!disabled)
 835                         cname += 'available';
 836
 837                     html += '<td class="' + cname.replace(/^\s+|\s+$/g, '') + '" data-title="' + 'r' + row + 'c' + col + '">' + calendar[row][col].date() + '</td>';
 838
 839                 }
 840                 html += '</tr>';
 841             }
 842
 843             html += '</tbody>';
 844             html += '</table>';
 845
 846             this.container.find('.calendar.' + side + ' .calendar-table').html(html);
 847
 848         },
 849
 850         renderTimePicker: function(side) {
 851
 852             // Don't bother updating the time picker if it's currently disabled
 853             // because an end date hasn't been clicked yet
 854             if (side == 'right' && !this.endDate) return;
 855
 856             var html, selected, minDate, maxDate = this.maxDate;
 857
 858             if (this.dateLimit && (!this.maxDate || this.startDate.clone().add(this.dateLimit).isAfter(this.maxDate)))
 859                 maxDate = this.startDate.clone().add(this.dateLimit);
 860
 861             if (side == 'left') {
 862                 selected = this.startDate.clone();
 863                 minDate = this.minDate;
 864             } else if (side == 'right') {
 865                 selected = this.endDate.clone();
 866                 minDate = this.startDate;
 867
 868                 //Preserve the time already selected
 869                 var timeSelector = this.container.find('.calendar.right .calendar-time div');
 870                 if (!this.endDate && timeSelector.html() != '') {
 871
 872                     selected.hour(timeSelector.find('.hourselect option:selected').val() || selected.hour());
 873                     selected.minute(timeSelector.find('.minuteselect option:selected').val() || selected.minute());
 874                     selected.second(timeSelector.find('.secondselect option:selected').val() || selected.second());
 875
 876                     if (!this.timePicker24Hour) {
 877                         var ampm = timeSelector.find('.ampmselect option:selected').val();
 878                         if (ampm === 'PM' && selected.hour() < 12)
 879                             selected.hour(selected.hour() + 12);
 880                         if (ampm === 'AM' && selected.hour() === 12)
 881                             selected.hour(0);
 882                     }
 883
 884                 }
 885
 886                 if (selected.isBefore(this.startDate))
 887                     selected = this.startDate.clone();
 888
 889                 if (maxDate && selected.isAfter(maxDate))
 890                     selected = maxDate.clone();
 891
 892             }
 893
 894             //
 895             // hours
 896             //
 897
 898             html = '<select class="hourselect">';
 899
 900             var start = this.timePicker24Hour ? 0 : 1;
 901             var end = this.timePicker24Hour ? 23 : 12;
 902
 903             for (var i = start; i <= end; i++) {
 904                 var i_in_24 = i;
 905                 if (!this.timePicker24Hour)
 906                     i_in_24 = selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : (i == 12 ? 0 : i);
 907
 908                 var time = selected.clone().hour(i_in_24);
 909                 var disabled = false;
 910                 if (minDate && time.minute(59).isBefore(minDate))
 911                     disabled = true;
 912                 if (maxDate && time.minute(0).isAfter(maxDate))
 913                     disabled = true;
 914
 915                 if (i_in_24 == selected.hour() && !disabled) {
 916                     html += '<option value="' + i + '" selected="selected">' + i + '</option>';
 917                 } else if (disabled) {
 918                     html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
 919                 } else {
 920                     html += '<option value="' + i + '">' + i + '</option>';
 921                 }
 922             }
 923
 924             html += '</select> ';
 925
 926             //
 927             // minutes
 928             //
 929
 930             html += ': <select class="minuteselect">';
 931
 932             for (var i = 0; i < 60; i += this.timePickerIncrement) {
 933                 var padded = i < 10 ? '0' + i : i;
 934                 var time = selected.clone().minute(i);
 935
 936                 var disabled = false;
 937                 if (minDate && time.second(59).isBefore(minDate))
 938                     disabled = true;
 939                 if (maxDate && time.second(0).isAfter(maxDate))
 940                     disabled = true;
 941
 942                 if (selected.minute() == i && !disabled) {
 943                     html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
 944                 } else if (disabled) {
 945                     html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
 946                 } else {
 947                     html += '<option value="' + i + '">' + padded + '</option>';
 948                 }
 949             }
 950
 951             html += '</select> ';
 952
 953             //
 954             // seconds
 955             //
 956
 957             if (this.timePickerSeconds) {
 958                 html += ': <select class="secondselect">';
 959
 960                 for (var i = 0; i < 60; i++) {
 961                     var padded = i < 10 ? '0' + i : i;
 962                     var time = selected.clone().second(i);
 963
 964                     var disabled = false;
 965                     if (minDate && time.isBefore(minDate))
 966                         disabled = true;
 967                     if (maxDate && time.isAfter(maxDate))
 968                         disabled = true;
 969
 970                     if (selected.second() == i && !disabled) {
 971                         html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
 972                     } else if (disabled) {
 973                         html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
 974                     } else {
 975                         html += '<option value="' + i + '">' + padded + '</option>';
 976                     }
 977                 }
 978
 979                 html += '</select> ';
 980             }
 981
 982             //
 983             // AM/PM
 984             //
 985
 986             if (!this.timePicker24Hour) {
 987                 html += '<select class="ampmselect">';
 988
 989                 var am_html = '';
 990                 var pm_html = '';
 991
 992                 if (minDate && selected.clone().hour(12).minute(0).second(0).isBefore(minDate))
 993                     am_html = ' disabled="disabled" class="disabled"';
 994
 995                 if (maxDate && selected.clone().hour(0).minute(0).second(0).isAfter(maxDate))
 996                     pm_html = ' disabled="disabled" class="disabled"';
 997
 998                 if (selected.hour() >= 12) {
 999                     html += '<option value="AM"' + am_html + '>AM</option><option value="PM" selected="selected"' + pm_html + '>PM</option>';
1000                 } else {
1001                     html += '<option value="AM" selected="selected"' + am_html + '>AM</option><option value="PM"' + pm_html + '>PM</option>';
1002                 }
1003
1004                 html += '</select>';
1005             }
1006
1007             this.container.find('.calendar.' + side + ' .calendar-time div').html(html);
1008
1009         },
1010
1011         updateFormInputs: function() {
1012
1013             //ignore mouse movements while an above-calendar text input has focus
1014             if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
1015                 return;
1016
1017             this.container.find('input[name=daterangepicker_start]').val(this.startDate.format(this.locale.format));
1018             if (this.endDate)
1019                 this.container.find('input[name=daterangepicker_end]').val(this.endDate.format(this.locale.format));
1020
1021             if (this.singleDatePicker || (this.endDate && (this.startDate.isBefore(this.endDate) || this.startDate.isSame(this.endDate)))) {
1022                 this.container.find('button.applyBtn').removeAttr('disabled');
1023             } else {
1024                 this.container.find('button.applyBtn').attr('disabled', 'disabled');
1025             }
1026
1027         },
1028
1029         move: function() {
1030             var parentOffset = { top: 0, left: 0 },
1031                 containerTop;
1032             var parentRightEdge = $(window).width();
1033             if (!this.parentEl.is('body')) {
1034                 parentOffset = {
1035                     top: this.parentEl.offset().top - this.parentEl.scrollTop(),
1036                     left: this.parentEl.offset().left - this.parentEl.scrollLeft()
1037                 };
1038                 parentRightEdge = this.parentEl[0].clientWidth + this.parentEl.offset().left;
1039             }
1040
1041             if (this.drops == 'up')
1042                 containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
1043             else
1044                 containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
1045             this.container[this.drops == 'up' ? 'addClass' : 'removeClass']('dropup');
1046
1047             if (this.opens == 'left') {
1048                 this.container.css({
1049                     top: containerTop,
1050                     right: parentRightEdge - this.element.offset().left - this.element.outerWidth(),
1051                     left: 'auto'
1052                 });
1053                 if (this.container.offset().left < 0) {
1054                     this.container.css({
1055                         right: 'auto',
1056                         left: 9
1057                     });
1058                 }
1059             } else if (this.opens == 'center') {
1060                 this.container.css({
1061                     top: containerTop,
1062                     left: this.element.offset().left - parentOffset.left + this.element.outerWidth() / 2
1063                             - this.container.outerWidth() / 2,
1064                     right: 'auto'
1065                 });
1066                 if (this.container.offset().left < 0) {
1067                     this.container.css({
1068                         right: 'auto',
1069                         left: 9
1070                     });
1071                 }
1072             } else {
1073                 this.container.css({
1074                     top: containerTop,
1075                     left: this.element.offset().left - parentOffset.left,
1076                     right: 'auto'
1077                 });
1078                 if (this.container.offset().left + this.container.outerWidth() > $(window).width()) {
1079                     this.container.css({
1080                         left: 'auto',
1081                         right: 0
1082                     });
1083                 }
1084             }
1085         },
1086
1087         show: function(e) {
1088             if (this.isShowing) return;
1089
1090             // Create a click proxy that is private to this instance of datepicker, for unbinding
1091             this._outsideClickProxy = $.proxy(function(e) { this.outsideClick(e); }, this);
1092
1093             // Bind global datepicker mousedown for hiding and
1094             $(document)
1095               .on('mousedown.daterangepicker', this._outsideClickProxy)
1096               // also support mobile devices
1097               .on('touchend.daterangepicker', this._outsideClickProxy)
1098               // also explicitly play nice with Bootstrap dropdowns, which stopPropagation when clicking them
1099               .on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideClickProxy)
1100               // and also close when focus changes to outside the picker (eg. tabbing between controls)
1101               .on('focusin.daterangepicker', this._outsideClickProxy);
1102
1103             // Reposition the picker if the window is resized while it's open
1104             $(window).on('resize.daterangepicker', $.proxy(function(e) { this.move(e); }, this));
1105
1106             this.oldStartDate = this.startDate.clone();
1107             this.oldEndDate = this.endDate.clone();
1108             this.previousRightTime = this.endDate.clone();
1109
1110             this.updateView();
1111             this.container.show();
1112             this.move();
1113             this.element.trigger('show.daterangepicker', this);
1114             this.isShowing = true;
1115         },
1116
1117         hide: function(e) {
1118             if (!this.isShowing) return;
1119
1120             //incomplete date selection, revert to last values
1121             if (!this.endDate) {
1122                 this.startDate = this.oldStartDate.clone();
1123                 this.endDate = this.oldEndDate.clone();
1124             }
1125
1126             //if a new date range was selected, invoke the user callback function
1127             if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
1128                 this.callback(this.startDate, this.endDate, this.chosenLabel);
1129
1130             //if picker is attached to a text input, update it
1131             this.updateElement();
1132
1133             $(document).off('.daterangepicker');
1134             $(window).off('.daterangepicker');
1135             this.container.hide();
1136             //this.element.trigger('hide.daterangepicker', this);
1137             this.isShowing = false;
1138         },
1139
1140         toggle: function(e) {
1141             if (this.isShowing) {
1142                 this.hide();
1143             } else {
1144                 this.show();
1145             }
1146         },
1147
1148         outsideClick: function(e) {
1149             var target = $(e.target);
1150             // if the page is clicked anywhere except within the daterangerpicker/button
1151             // itself then call this.hide()
1152             if (
1153                 // ie modal dialog fix
1154                 e.type == "focusin" ||
1155                 target.closest(this.element).length ||
1156                 target.closest(this.container).length ||
1157                 target.closest('.calendar-table').length
1158                 ) return;
1159             this.hide();
1160         },
1161
1162         showCalendars: function() {
1163             this.container.addClass('show-calendar');
1164             this.move();
1165             this.element.trigger('showCalendar.daterangepicker', this);
1166         },
1167
1168         hideCalendars: function() {
1169             this.container.removeClass('show-calendar');
1170             this.element.trigger('hideCalendar.daterangepicker', this);
1171         },
1172
1173         hoverRange: function(e) {
1174
1175             //ignore mouse movements while an above-calendar text input has focus
1176             if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
1177                 return;
1178
1179             var label = e.target.getAttribute('data-range-key');
1180
1181             if (label == this.locale.customRangeLabel) {
1182                 this.updateView();
1183             } else {
1184                 var dates = this.ranges[label];
1185                 this.container.find('input[name=daterangepicker_start]').val(dates[0].format(this.locale.format));
1186                 this.container.find('input[name=daterangepicker_end]').val(dates[1].format(this.locale.format));
1187             }
1188
1189         },
1190
1191         clickRange: function(e) {
1192             var label = e.target.getAttribute('data-range-key');
1193             this.chosenLabel = label;
1194             if (label == this.locale.customRangeLabel) {
1195                 this.showCalendars();
1196             } else {
1197                 var dates = this.ranges[label];
1198                 this.startDate = dates[0];
1199                 this.endDate = dates[1];
1200
1201                 if (!this.timePicker) {
1202                     this.startDate.startOf('day');
1203                     this.endDate.endOf('day');
1204                 }
1205
1206                 if (!this.alwaysShowCalendars)
1207                     this.hideCalendars();
1208                 this.clickApply();
1209             }
1210         },
1211
1212         clickPrev: function(e) {
1213             var cal = $(e.target).parents('.calendar');
1214             if (cal.hasClass('left')) {
1215                 this.leftCalendar.month.subtract(1, 'month');
1216                 if (this.linkedCalendars)
1217                     this.rightCalendar.month.subtract(1, 'month');
1218             } else {
1219                 this.rightCalendar.month.subtract(1, 'month');
1220             }
1221             this.updateCalendars();
1222         },
1223
1224         clickNext: function(e) {
1225             var cal = $(e.target).parents('.calendar');
1226             if (cal.hasClass('left')) {
1227                 this.leftCalendar.month.add(1, 'month');
1228             } else {
1229                 this.rightCalendar.month.add(1, 'month');
1230                 if (this.linkedCalendars)
1231                     this.leftCalendar.month.add(1, 'month');
1232             }
1233             this.updateCalendars();
1234         },
1235
1236         hoverDate: function(e) {
1237
1238             //ignore mouse movements while an above-calendar text input has focus
1239             //if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
1240             //    return;
1241
1242             //ignore dates that can't be selected
1243             if (!$(e.target).hasClass('available')) return;
1244
1245             //have the text inputs above calendars reflect the date being hovered over
1246             var title = $(e.target).attr('data-title');
1247             var row = title.substr(1, 1);
1248             var col = title.substr(3, 1);
1249             var cal = $(e.target).parents('.calendar');
1250             var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
1251
1252             if (this.endDate && !this.container.find('input[name=daterangepicker_start]').is(":focus")) {
1253                 this.container.find('input[name=daterangepicker_start]').val(date.format(this.locale.format));
1254             } else if (!this.endDate && !this.container.find('input[name=daterangepicker_end]').is(":focus")) {
1255                 this.container.find('input[name=daterangepicker_end]').val(date.format(this.locale.format));
1256             }
1257
1258             //highlight the dates between the start date and the date being hovered as a potential end date
1259             var leftCalendar = this.leftCalendar;
1260             var rightCalendar = this.rightCalendar;
1261             var startDate = this.startDate;
1262             if (!this.endDate) {
1263                 this.container.find('.calendar td').each(function(index, el) {
1264
1265                     //skip week numbers, only look at dates
1266                     if ($(el).hasClass('week')) return;
1267
1268                     var title = $(el).attr('data-title');
1269                     var row = title.substr(1, 1);
1270                     var col = title.substr(3, 1);
1271                     var cal = $(el).parents('.calendar');
1272                     var dt = cal.hasClass('left') ? leftCalendar.calendar[row][col] : rightCalendar.calendar[row][col];
1273
1274                     if ((dt.isAfter(startDate) && dt.isBefore(date)) || dt.isSame(date, 'day')) {
1275                         $(el).addClass('in-range');
1276                     } else {
1277                         $(el).removeClass('in-range');
1278                     }
1279
1280                 });
1281             }
1282
1283         },
1284
1285         clickDate: function(e) {
1286
1287             if (!$(e.target).hasClass('available')) return;
1288
1289             var title = $(e.target).attr('data-title');
1290             var row = title.substr(1, 1);
1291             var col = title.substr(3, 1);
1292             var cal = $(e.target).parents('.calendar');
1293             var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];
1294
1295             //
1296             // this function needs to do a few things:
1297             // * alternate between selecting a start and end date for the range,
1298             // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
1299             // * if autoapply is enabled, and an end date was chosen, apply the selection
1300             // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
1301             //
1302
1303             if (this.endDate || date.isBefore(this.startDate, 'day')) { //picking start
1304                 if (this.timePicker) {
1305                     var hour = parseInt(this.container.find('.left .hourselect').val(), 10);
1306                     if (!this.timePicker24Hour) {
1307                         var ampm = this.container.find('.left .ampmselect').val();
1308                         if (ampm === 'PM' && hour < 12)
1309                             hour += 12;
1310                         if (ampm === 'AM' && hour === 12)
1311                             hour = 0;
1312                     }
1313                     var minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
1314                     var second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
1315                     date = date.clone().hour(hour).minute(minute).second(second);
1316                 }
1317                 this.endDate = null;
1318                 this.setStartDate(date.clone());
1319             } else if (!this.endDate && date.isBefore(this.startDate)) {
1320                 //special case: clicking the same date for start/end,
1321                 //but the time of the end date is before the start date
1322                 this.setEndDate(this.startDate.clone());
1323             } else { // picking end
1324                 if (this.timePicker) {
1325                     var hour = parseInt(this.container.find('.right .hourselect').val(), 10);
1326                     if (!this.timePicker24Hour) {
1327                         var ampm = this.container.find('.right .ampmselect').val();
1328                         if (ampm === 'PM' && hour < 12)
1329                             hour += 12;
1330                         if (ampm === 'AM' && hour === 12)
1331                             hour = 0;
1332                     }
1333                     var minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
1334                     var second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
1335                     date = date.clone().hour(hour).minute(minute).second(second);
1336                 }
1337                 this.setEndDate(date.clone());
1338                 if (this.autoApply) {
1339                   this.calculateChosenLabel();
1340                   this.clickApply();
1341                 }
1342             }
1343
1344             if (this.singleDatePicker) {
1345                 this.setEndDate(this.startDate);
1346                 if (!this.timePicker)
1347                     this.clickApply();
1348             }
1349
1350             this.updateView();
1351
1352         },
1353
1354         calculateChosenLabel: function() {
1355           var customRange = true;
1356           var i = 0;
1357           for (var range in this.ranges) {
1358               if (this.timePicker) {
1359                   if (this.startDate.isSame(this.ranges[range][0]) && this.endDate.isSame(this.ranges[range][1])) {
1360                       customRange = false;
1361                       this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
1362                       break;
1363                   }
1364               } else {
1365                   //ignore times when comparing dates if time picker is not enabled
1366                   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')) {
1367                       customRange = false;
1368                       this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
1369                       break;
1370                   }
1371               }
1372               i++;
1373           }
1374           if (customRange) {
1375               this.chosenLabel = this.container.find('.ranges li:last').addClass('active').html();
1376               this.showCalendars();
1377           }
1378         },
1379
1380         clickApply: function(e) {
1381             this.hide();
1382             this.element.trigger('apply.daterangepicker', this);
1383         },
1384
1385         clickCancel: function(e) {
1386             this.startDate = this.oldStartDate;
1387             this.endDate = this.oldEndDate;
1388             this.hide();
1389             this.element.trigger('cancel.daterangepicker', this);
1390         },
1391
1392         monthOrYearChanged: function(e) {
1393             var isLeft = $(e.target).closest('.calendar').hasClass('left'),
1394                 leftOrRight = isLeft ? 'left' : 'right',
1395                 cal = this.container.find('.calendar.'+leftOrRight);
1396
1397             // Month must be Number for new moment versions
1398             var month = parseInt(cal.find('.monthselect').val(), 10);
1399             var year = cal.find('.yearselect').val();
1400
1401             if (!isLeft) {
1402                 if (year < this.startDate.year() || (year == this.startDate.year() && month < this.startDate.month())) {
1403                     month = this.startDate.month();
1404                     year = this.startDate.year();
1405                 }
1406             }
1407
1408             if (this.minDate) {
1409                 if (year < this.minDate.year() || (year == this.minDate.year() && month < this.minDate.month())) {
1410                     month = this.minDate.month();
1411                     year = this.minDate.year();
1412                 }
1413             }
1414
1415             if (this.maxDate) {
1416                 if (year > this.maxDate.year() || (year == this.maxDate.year() && month > this.maxDate.month())) {
1417                     month = this.maxDate.month();
1418                     year = this.maxDate.year();
1419                 }
1420             }
1421
1422             if (isLeft) {
1423                 this.leftCalendar.month.month(month).year(year);
1424                 if (this.linkedCalendars)
1425                     this.rightCalendar.month = this.leftCalendar.month.clone().add(1, 'month');
1426             } else {
1427                 this.rightCalendar.month.month(month).year(year);
1428                 if (this.linkedCalendars)
1429                     this.leftCalendar.month = this.rightCalendar.month.clone().subtract(1, 'month');
1430             }
1431             this.updateCalendars();
1432         },
1433
1434         timeChanged: function(e) {
1435
1436             var cal = $(e.target).closest('.calendar'),
1437                 isLeft = cal.hasClass('left');
1438
1439             var hour = parseInt(cal.find('.hourselect').val(), 10);
1440             var minute = parseInt(cal.find('.minuteselect').val(), 10);
1441             var second = this.timePickerSeconds ? parseInt(cal.find('.secondselect').val(), 10) : 0;
1442
1443             if (!this.timePicker24Hour) {
1444                 var ampm = cal.find('.ampmselect').val();
1445                 if (ampm === 'PM' && hour < 12)
1446                     hour += 12;
1447                 if (ampm === 'AM' && hour === 12)
1448                     hour = 0;
1449             }
1450
1451             if (isLeft) {
1452                 var start = this.startDate.clone();
1453                 start.hour(hour);
1454                 start.minute(minute);
1455                 start.second(second);
1456                 this.setStartDate(start);
1457                 if (this.singleDatePicker) {
1458                     this.endDate = this.startDate.clone();
1459                 } else if (this.endDate && this.endDate.format('YYYY-MM-DD') == start.format('YYYY-MM-DD') && this.endDate.isBefore(start)) {
1460                     this.setEndDate(start.clone());
1461                 }
1462             } else if (this.endDate) {
1463                 var end = this.endDate.clone();
1464                 end.hour(hour);
1465                 end.minute(minute);
1466                 end.second(second);
1467                 this.setEndDate(end);
1468             }
1469
1470             //update the calendars so all clickable dates reflect the new time component
1471             this.updateCalendars();
1472
1473             //update the form inputs above the calendars with the new time
1474             this.updateFormInputs();
1475
1476             //re-render the time pickers because changing one selection can affect what's enabled in another
1477             this.renderTimePicker('left');
1478             this.renderTimePicker('right');
1479
1480         },
1481
1482         formInputsChanged: function(e) {
1483             var isRight = $(e.target).closest('.calendar').hasClass('right');
1484             var start = moment(this.container.find('input[name="daterangepicker_start"]').val(), this.locale.format);
1485             var end = moment(this.container.find('input[name="daterangepicker_end"]').val(), this.locale.format);
1486
1487             if (start.isValid() && end.isValid()) {
1488
1489                 if (isRight && end.isBefore(start))
1490                     start = end.clone();
1491
1492                 this.setStartDate(start);
1493                 this.setEndDate(end);
1494
1495                 if (isRight) {
1496                     this.container.find('input[name="daterangepicker_start"]').val(this.startDate.format(this.locale.format));
1497                 } else {
1498                     this.container.find('input[name="daterangepicker_end"]').val(this.endDate.format(this.locale.format));
1499                 }
1500
1501             }
1502
1503             this.updateView();
1504         },
1505
1506         formInputsFocused: function(e) {
1507
1508             // Highlight the focused input
1509             this.container.find('input[name="daterangepicker_start"], input[name="daterangepicker_end"]').removeClass('active');
1510             $(e.target).addClass('active');
1511
1512             // Set the state such that if the user goes back to using a mouse,
1513             // the calendars are aware we're selecting the end of the range, not
1514             // the start. This allows someone to edit the end of a date range without
1515             // re-selecting the beginning, by clicking on the end date input then
1516             // using the calendar.
1517             var isRight = $(e.target).closest('.calendar').hasClass('right');
1518             if (isRight) {
1519                 this.endDate = null;
1520                 this.setStartDate(this.startDate.clone());
1521                 this.updateView();
1522             }
1523
1524         },
1525
1526         formInputsBlurred: function(e) {
1527
1528             // this function has one purpose right now: if you tab from the first
1529             // text input to the second in the UI, the endDate is nulled so that
1530             // you can click another, but if you tab out without clicking anything
1531             // or changing the input value, the old endDate should be retained
1532
1533             if (!this.endDate) {
1534                 var val = this.container.find('input[name="daterangepicker_end"]').val();
1535                 var end = moment(val, this.locale.format);
1536                 if (end.isValid()) {
1537                     this.setEndDate(end);
1538                     this.updateView();
1539                 }
1540             }
1541
1542         },
1543
1544         elementChanged: function() {
1545             if (!this.element.is('input')) return;
1546             if (!this.element.val().length) return;
1547             if (this.element.val().length < this.locale.format.length) return;
1548
1549             var dateString = this.element.val().split(this.locale.separator),
1550                 start = null,
1551                 end = null;
1552
1553             if (dateString.length === 2) {
1554                 start = moment(dateString[0], this.locale.format);
1555                 end = moment(dateString[1], this.locale.format);
1556             }
1557
1558             if (this.singleDatePicker || start === null || end === null) {
1559                 start = moment(this.element.val(), this.locale.format);
1560                 end = start;
1561             }
1562
1563             if (!start.isValid() || !end.isValid()) return;
1564
1565             this.setStartDate(start);
1566             this.setEndDate(end);
1567             this.updateView();
1568         },
1569
1570         keydown: function(e) {
1571             //hide on tab or enter
1572             if ((e.keyCode === 9) || (e.keyCode === 13)) {
1573                 this.hide();
1574             }
1575         },
1576
1577         updateElement: function() {
1578             if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
1579                 this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
1580                 this.element.trigger('change');
1581             } else if (this.element.is('input') && this.autoUpdateInput) {
1582                 this.element.val(this.startDate.format(this.locale.format));
1583                 this.element.trigger('change');
1584             }
1585         },
1586
1587         remove: function() {
1588             this.container.remove();
1589             this.element.off('.daterangepicker');
1590             this.element.removeData();
1591         }
1592
1593     };
1594
1595     $.fn.daterangepicker = function(options, callback) {
1596         this.each(function() {
1597             var el = $(this);
1598             if (el.data('daterangepicker'))
1599                 el.data('daterangepicker').remove();
1600             el.data('daterangepicker', new DateRangePicker(el, options, callback));
1601         });
1602         return this;
1603     };
1604
1605     return DateRangePicker;
1606
1607 }));