/**

* @version: 1.3.13

* @author: Dan Grossman http://www.dangrossman.info/

* @date: 2014-09-04

* @copyright: Copyright (c) 2012-2014 Dan Grossman. All rights reserved.

* @license: Licensed under Apache License v2.0. See http://www.apache.org/licenses/LICENSE-2.0

* @website: http://www.improvely.com/

*/



(function(root, factory) {



  if (typeof define === 'function' && define.amd) {

    define(['moment', 'jquery', 'exports'], function(momentjs, $, exports) {

      root.daterangepicker = factory(root, exports, momentjs, $);

    });



  } else if (typeof exports !== 'undefined') {

    var momentjs = require('moment');

    var jQuery;

    try {

      jQuery = require('jquery');

    } catch (err) {

      jQuery = window.jQuery;

      if (!jQuery) throw new Error('jQuery dependency not found');

    }



    factory(root, exports, momentjs, jQuery);



  // Finally, as a browser global.

  } else {

    root.daterangepicker = factory(root, {}, root.moment, (root.jQuery || root.Zepto || root.ender || root.$));

  }



}(this, function(root, daterangepicker, moment, $) {



    var DateRangePicker = function (element, options, cb) {



        // by default, the daterangepicker element is placed at the bottom of HTML body

        this.parentEl = 'body';



        //element that triggered the date range picker

        this.element = $(element);



        //tracks visible state

        this.isShowing = false;



        //create the picker HTML object

        var DRPTemplate = '<div class="daterangepicker dropdown-menu">' +

                '<div class="calendar left"></div>' +

                '<div class="calendar right"></div>' +

                '<div class="ranges">' +

                  '<div class="range_inputs">' +

                    '<div class="daterangepicker_start_input">' +

                      '<label for="daterangepicker_start"></label>' +

                      '<input class="input-mini" type="text" name="daterangepicker_start" value="" />' +

                    '</div>' +

                    '<div class="daterangepicker_end_input">' +

                      '<label for="daterangepicker_end"></label>' +

                      '<input class="input-mini" type="text" name="daterangepicker_end" value="" />' +

                    '</div>' +

                    '<button class="applyBtn" disabled="disabled"></button>&nbsp;' +

                    '<button class="cancelBtn"></button>' +

                  '</div>' +

                '</div>' +

              '</div>';



        //custom options

        if (typeof options !== 'object' || options === null)

            options = {};



        this.parentEl = (typeof options === 'object' && options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);

        this.container = $(DRPTemplate).appendTo(this.parentEl);



        this.setOptions(options, cb);



        //apply CSS classes and labels to buttons

        var c = this.container;

        $.each(this.buttonClasses, function (idx, val) {

            c.find('button').addClass(val);

        });

        this.container.find('.daterangepicker_start_input label').html(this.locale.fromLabel);

        this.container.find('.daterangepicker_end_input label').html(this.locale.toLabel);

        if (this.applyClass.length)

            this.container.find('.applyBtn').addClass(this.applyClass);

        if (this.cancelClass.length)

            this.container.find('.cancelBtn').addClass(this.cancelClass);

        this.container.find('.applyBtn').html(this.locale.applyLabel);

        this.container.find('.cancelBtn').html(this.locale.cancelLabel);



        //event listeners



        this.container.find('.calendar')

            .on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))

            .on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))

            .on('click.daterangepicker', 'td.available', $.proxy(this.clickDate, this))

            .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))

            .on('mouseleave.daterangepicker', 'td.available', $.proxy(this.updateFormInputs, this))

            .on('change.daterangepicker', 'select.yearselect', $.proxy(this.updateMonthYear, this))

            .on('change.daterangepicker', 'select.monthselect', $.proxy(this.updateMonthYear, this))

            .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.ampmselect', $.proxy(this.updateTime, this));



        this.container.find('.ranges')

            .on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))

            .on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this))

            .on('click.daterangepicker', '.daterangepicker_start_input,.daterangepicker_end_input', $.proxy(this.showCalendars, this))

            .on('change.daterangepicker', '.daterangepicker_start_input,.daterangepicker_end_input', $.proxy(this.inputsChanged, this))

            .on('keydown.daterangepicker', '.daterangepicker_start_input,.daterangepicker_end_input', $.proxy(this.inputsKeydown, this))

            .on('click.daterangepicker', 'li', $.proxy(this.clickRange, this))

            .on('mouseenter.daterangepicker', 'li', $.proxy(this.enterRange, this))

            .on('mouseleave.daterangepicker', 'li', $.proxy(this.updateFormInputs, this));



        if (this.element.is('input')) {

            this.element.on({

                'click.daterangepicker': $.proxy(this.show, this),

                'focus.daterangepicker': $.proxy(this.show, this),

                'keyup.daterangepicker': $.proxy(this.updateFromControl, this)

            });

        } else {

            this.element.on('click.daterangepicker', $.proxy(this.toggle, this));

        }



    };



    DateRangePicker.prototype = {



        constructor: DateRangePicker,



        setOptions: function(options, callback) {



            this.startDate = moment().startOf('day');

            this.endDate = moment().endOf('day');

            this.minDate = false;

            this.maxDate = false;

            this.dateLimit = false;



            this.showDropdowns = false;

            this.showWeekNumbers = false;

            this.timePicker = false;

            this.timePickerIncrement = 30;

            this.timePicker12Hour = true;

            this.singleDatePicker = false;

            this.ranges = {};



            this.opens = 'right';

            if (this.element.hasClass('pull-right'))

                this.opens = 'left';



            this.buttonClasses = ['btn', 'btn-small btn-sm'];

            this.applyClass = 'btn-success';

            this.cancelClass = 'btn-default';



            this.format = 'MM/DD/YYYY';

            this.separator = ' - ';



            this.locale = {

                applyLabel: 'Apply',

                cancelLabel: 'Cancel',

                fromLabel: 'From',

                toLabel: 'To',

                weekLabel: 'W',

                customRangeLabel: 'Custom Range',

                daysOfWeek: moment.weekdaysMin(),

                monthNames: moment.monthsShort(),

                firstDay: moment.localeData()._week.dow

            };



            this.cb = function () { };



            if (typeof options.format === 'string')

                this.format = options.format;



            if (typeof options.separator === 'string')

                this.separator = options.separator;



            if (typeof options.startDate === 'string')

                this.startDate = moment(options.startDate, this.format);



            if (typeof options.endDate === 'string')

                this.endDate = moment(options.endDate, this.format);



            if (typeof options.minDate === 'string')

                this.minDate = moment(options.minDate, this.format);



            if (typeof options.maxDate === 'string')

                this.maxDate = moment(options.maxDate, this.format);



            if (typeof options.startDate === 'object')

                this.startDate = moment(options.startDate);



            if (typeof options.endDate === 'object')

                this.endDate = moment(options.endDate);



            if (typeof options.minDate === 'object')

                this.minDate = moment(options.minDate);



            if (typeof options.maxDate === 'object')

                this.maxDate = moment(options.maxDate);



            if (typeof options.applyClass === 'string')

                this.applyClass = options.applyClass;



            if (typeof options.cancelClass === 'string')

                this.cancelClass = options.cancelClass;



            if (typeof options.dateLimit === 'object')

                this.dateLimit = options.dateLimit;



            if (typeof options.locale === 'object') {



                if (typeof options.locale.daysOfWeek === 'object') {

                    // Create a copy of daysOfWeek to avoid modification of original

                    // options object for reusability in multiple daterangepicker instances

                    this.locale.daysOfWeek = options.locale.daysOfWeek.slice();

                }



                if (typeof options.locale.monthNames === 'object') {

                  this.locale.monthNames = options.locale.monthNames.slice();

                }



                if (typeof options.locale.firstDay === 'number') {

                  this.locale.firstDay = options.locale.firstDay;

                }



                if (typeof options.locale.applyLabel === 'string') {

                  this.locale.applyLabel = options.locale.applyLabel;

                }



                if (typeof options.locale.cancelLabel === 'string') {

                  this.locale.cancelLabel = options.locale.cancelLabel;

                }



                if (typeof options.locale.fromLabel === 'string') {

                  this.locale.fromLabel = options.locale.fromLabel;

                }



                if (typeof options.locale.toLabel === 'string') {

                  this.locale.toLabel = options.locale.toLabel;

                }



                if (typeof options.locale.weekLabel === 'string') {

                  this.locale.weekLabel = options.locale.weekLabel;

                }



                if (typeof options.locale.customRangeLabel === 'string') {

                  this.locale.customRangeLabel = options.locale.customRangeLabel;

                }

            }



            if (typeof options.opens === 'string')

                this.opens = options.opens;



            if (typeof options.showWeekNumbers === 'boolean') {

                this.showWeekNumbers = options.showWeekNumbers;

            }



            if (typeof options.buttonClasses === 'string') {

                this.buttonClasses = [options.buttonClasses];

            }



            if (typeof options.buttonClasses === 'object') {

                this.buttonClasses = options.buttonClasses;

            }



            if (typeof options.showDropdowns === 'boolean') {

                this.showDropdowns = options.showDropdowns;

            }



            if (typeof options.singleDatePicker === 'boolean') {

                this.singleDatePicker = options.singleDatePicker;

                if (this.singleDatePicker) {

                    this.endDate = this.startDate.clone();

                }

            }



            if (typeof options.timePicker === 'boolean') {

                this.timePicker = options.timePicker;

            }



            if (typeof options.timePickerIncrement === 'number') {

                this.timePickerIncrement = options.timePickerIncrement;

            }



            if (typeof options.timePicker12Hour === 'boolean') {

                this.timePicker12Hour = options.timePicker12Hour;

            }



            // update day names order to firstDay

            if (this.locale.firstDay != 0) {

                var iterator = this.locale.firstDay;

                while (iterator > 0) {

                    this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());

                    iterator--;

                }

            }



            var start, end, range;



            //if no start/end dates set, check if an input element contains initial values

            if (typeof options.startDate === 'undefined' && typeof options.endDate === 'undefined') {

                if ($(this.element).is('input[type=text]')) {

                    var val = $(this.element).val();

                    var split = val.split(this.separator);

                    start = end = null;

                    if (split.length == 2) {

                        start = moment(split[0], this.format);

                        end = moment(split[1], this.format);

                    } else if (this.singleDatePicker) {

                        start = moment(val, this.format);

                        end = moment(val, this.format);

                    }

                    if (start !== null && end !== null) {

                        this.startDate = start;

                        this.endDate = end;

                    }

                }

            }



            if (typeof options.ranges === 'object') {

                for (range in options.ranges) {



                    start = moment(options.ranges[range][0]);

                    end = moment(options.ranges[range][1]);



                    // If we have a min/max date set, bound this range

                    // to it, but only if it would otherwise fall

                    // outside of the min/max.

                    if (this.minDate && start.isBefore(this.minDate))

                        start = moment(this.minDate);



                    if (this.maxDate && end.isAfter(this.maxDate))

                        end = moment(this.maxDate);



                    // If the end of the range is before the minimum (if min is set) OR

                    // the start of the range is after the max (also if set) don't display this

                    // range option.

                    if ((this.minDate && end.isBefore(this.minDate)) || (this.maxDate && start.isAfter(this.maxDate))) {

                        continue;

                    }



                    this.ranges[range] = [start, end];

                }



                var list = '<ul>';

                for (range in this.ranges) {

                    list += '<li>' + range + '</li>';

                }

                list += '<li>' + this.locale.customRangeLabel + '</li>';

                list += '</ul>';

                this.container.find('.ranges ul').remove();

                this.container.find('.ranges').prepend(list);

            }



            if (typeof callback === 'function') {

                this.cb = callback;

            }



            if (!this.timePicker) {

                this.startDate = this.startDate.startOf('day');

                this.endDate = this.endDate.endOf('day');

            }



            if (this.singleDatePicker) {

            	this.opens = 'right';

            	this.container.addClass('single');

                this.container.find('.calendar.right').show();

                this.container.find('.calendar.left').hide();

                if (!this.timePicker) {

	                this.container.find('.ranges').hide();

                } else {

                	this.container.find('.ranges .daterangepicker_start_input, .ranges .daterangepicker_end_input').hide();

                }

                if (!this.container.find('.calendar.right').hasClass('single'))

                    this.container.find('.calendar.right').addClass('single');

            } else {

            	this.container.removeClass('single');

            	this.container.find('.calendar.right').removeClass('single');

                this.container.find('.ranges').show();

            }



            this.oldStartDate = this.startDate.clone();

            this.oldEndDate = this.endDate.clone();

            this.oldChosenLabel = this.chosenLabel;



            this.leftCalendar = {

                month: moment([this.startDate.year(), this.startDate.month(), 1, this.startDate.hour(), this.startDate.minute()]),

                calendar: []

            };



            this.rightCalendar = {

                month: moment([this.endDate.year(), this.endDate.month(), 1, this.endDate.hour(), this.endDate.minute()]),

                calendar: []

            };



            if (this.opens == 'right') {

                //swap calendar positions

                var left = this.container.find('.calendar.left');

                var right = this.container.find('.calendar.right');



                if (right.hasClass('single')) {

                    right.removeClass('single');

                    left.addClass('single');

                }



                left.removeClass('left').addClass('right');

                right.removeClass('right').addClass('left');



                if (this.singleDatePicker) {

                    left.show();

                    right.hide();

                }

            }



            if (typeof options.ranges === 'undefined' && !this.singleDatePicker) {

                this.container.addClass('show-calendar');

            }



            this.container.addClass('opens' + this.opens);



            this.updateView();

            this.updateCalendars();



        },



        setStartDate: function(startDate) {

            if (typeof startDate === 'string')

                this.startDate = moment(startDate, this.format);



            if (typeof startDate === 'object')

                this.startDate = moment(startDate);



            if (!this.timePicker)

                this.startDate = this.startDate.startOf('day');



            this.oldStartDate = this.startDate.clone();



            this.updateView();

            this.updateCalendars();

            this.updateInputText();

        },



        setEndDate: function(endDate) {

            if (typeof endDate === 'string')

                this.endDate = moment(endDate, this.format);



            if (typeof endDate === 'object')

                this.endDate = moment(endDate);



            if (!this.timePicker)

                this.endDate = this.endDate.endOf('day');



            this.oldEndDate = this.endDate.clone();



            this.updateView();

            this.updateCalendars();

            this.updateInputText();

        },



        updateView: function () {

            this.leftCalendar.month.month(this.startDate.month()).year(this.startDate.year()).hour(this.startDate.hour()).minute(this.startDate.minute());

            this.rightCalendar.month.month(this.endDate.month()).year(this.endDate.year()).hour(this.endDate.hour()).minute(this.endDate.minute());

            this.updateFormInputs();

        },



        updateFormInputs: function () {

            this.container.find('input[name=daterangepicker_start]').val(this.startDate.format(this.format));

            this.container.find('input[name=daterangepicker_end]').val(this.endDate.format(this.format));



            if (this.startDate.isSame(this.endDate) || this.startDate.isBefore(this.endDate)) {

                this.container.find('button.applyBtn').removeAttr('disabled');

            } else {

                this.container.find('button.applyBtn').attr('disabled', 'disabled');

            }

        },



        updateFromControl: function () {

            if (!this.element.is('input')) return;

            if (!this.element.val().length) return;



            var dateString = this.element.val().split(this.separator),

                start = null,

                end = null;



            if(dateString.length === 2) {

                start = moment(dateString[0], this.format);

                end = moment(dateString[1], this.format);

            }



            if (this.singleDatePicker || start === null || end === null) {

                start = moment(this.element.val(), this.format);

                end = start;

            }



            if (end.isBefore(start)) return;



            this.oldStartDate = this.startDate.clone();

            this.oldEndDate = this.endDate.clone();



            this.startDate = start;

            this.endDate = end;



            if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))

                this.notify();



            this.updateCalendars();

        },



        notify: function () {

            this.updateView();

            this.cb(this.startDate, this.endDate, this.chosenLabel);

        },



        move: function () {

            var parentOffset = { top: 0, left: 0 };

            var parentRightEdge = $(window).width();

            if (!this.parentEl.is('body')) {

                parentOffset = {

                    top: this.parentEl.offset().top - this.parentEl.scrollTop(),

                    left: this.parentEl.offset().left - this.parentEl.scrollLeft()

                };

                parentRightEdge = this.parentEl[0].clientWidth + this.parentEl.offset().left;

            }



            if (this.opens == 'left') {

                this.container.css({

                    top: this.element.offset().top + this.element.outerHeight() - parentOffset.top,

                    right: parentRightEdge - this.element.offset().left - this.element.outerWidth(),

                    left: 'auto'

                });

                if (this.container.offset().left < 0) {

                    this.container.css({

                        right: 'auto',

                        left: 9

                    });

                }

            } else {

                this.container.css({

                    top: this.element.offset().top + this.element.outerHeight() - parentOffset.top,

                    left: this.element.offset().left - parentOffset.left,

                    right: 'auto'

                });

                if (this.container.offset().left + this.container.outerWidth() > $(window).width()) {

                    this.container.css({

                        left: 'auto',

                        right: 0

                    });

                }

            }

        },



        toggle: function (e) {

            if (this.element.hasClass('active')) {

                this.hide();

            } else {

                this.show();

            }

        },



        show: function (e) {

            if (this.isShowing) return;



            this.element.addClass('active');

            this.container.show();

            this.move();



            // Create a click proxy that is private to this instance of datepicker, for unbinding

            this._outsideClickProxy = $.proxy(function (e) { this.outsideClick(e); }, this);

            // Bind global datepicker mousedown for hiding and

            $(document)

              .on('mousedown.daterangepicker', this._outsideClickProxy)

              // also explicitly play nice with Bootstrap dropdowns, which stopPropagation when clicking them

              .on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideClickProxy)

              // and also close when focus changes to outside the picker (eg. tabbing between controls)

              .on('focusin.daterangepicker', this._outsideClickProxy);



            this.isShowing = true;

            this.element.trigger('show.daterangepicker', this);

        },



        outsideClick: function (e) {

            var target = $(e.target);

            // if the page is clicked anywhere except within the daterangerpicker/button

            // itself then call this.hide()

            if (

                target.closest(this.element).length ||

                target.closest(this.container).length ||

                target.closest('.calendar-date').length

                ) return;

            this.hide();

        },



        hide: function (e) {

            if (!this.isShowing) return;



            $(document)

              .off('mousedown.daterangepicker')

              .off('click.daterangepicker', '[data-toggle=dropdown]')

              .off('focusin.daterangepicker');



            this.element.removeClass('active');

            this.container.hide();



            if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))

                this.notify();



            this.oldStartDate = this.startDate.clone();

            this.oldEndDate = this.endDate.clone();



            this.isShowing = false;

            this.element.trigger('hide.daterangepicker', this);

        },



        enterRange: function (e) {

            // mouse pointer has entered a range label

            var label = e.target.innerHTML;

            if (label == this.locale.customRangeLabel) {

                this.updateView();

            } else {

                var dates = this.ranges[label];

                this.container.find('input[name=daterangepicker_start]').val(dates[0].format(this.format));

                this.container.find('input[name=daterangepicker_end]').val(dates[1].format(this.format));

            }

        },



        showCalendars: function() {

            this.container.addClass('show-calendar');

            this.move();

            this.element.trigger('showCalendar.daterangepicker', this);

        },



        hideCalendars: function() {

            this.container.removeClass('show-calendar');

            this.element.trigger('hideCalendar.daterangepicker', this);

        },



        // when a date is typed into the start to end date textboxes

        inputsChanged: function (e) {

            var el = $(e.target);

            var date = moment(el.val(), this.format);

            if (!date.isValid()) return;



            var startDate, endDate;

            if (el.attr('name') === 'daterangepicker_start') {

                startDate = date;

                endDate = this.endDate;

            } else {

                startDate = this.startDate;

                endDate = date;

            }

            this.setCustomDates(startDate, endDate);

        },



        inputsKeydown: function(e) {

            if (e.keyCode === 13) {

                this.inputsChanged(e);

                this.notify();

            }

        },



        updateInputText: function() {

            if (this.element.is('input') && !this.singleDatePicker) {

                this.element.val(this.startDate.format(this.format) + this.separator + this.endDate.format(this.format));

            } else if (this.element.is('input')) {

            	this.element.val(this.endDate.format(this.format));

            }

        },



        clickRange: function (e) {

            var label = e.target.innerHTML;

            this.chosenLabel = label;

            if (label == this.locale.customRangeLabel) {

                this.showCalendars();

            } else {

                var dates = this.ranges[label];



                this.startDate = dates[0];

                this.endDate = dates[1];



                if (!this.timePicker) {

                    this.startDate.startOf('day');

                    this.endDate.endOf('day');

                }



                this.leftCalendar.month.month(this.startDate.month()).year(this.startDate.year()).hour(this.startDate.hour()).minute(this.startDate.minute());

                this.rightCalendar.month.month(this.endDate.month()).year(this.endDate.year()).hour(this.endDate.hour()).minute(this.endDate.minute());

                this.updateCalendars();



                this.updateInputText();



                this.hideCalendars();

                this.hide();

                this.element.trigger('apply.daterangepicker', this);

            }

        },



        clickPrev: function (e) {

            var cal = $(e.target).parents('.calendar');

            if (cal.hasClass('left')) {

                this.leftCalendar.month.subtract(1, 'month');

            } else {

                this.rightCalendar.month.subtract(1, 'month');

            }

            this.updateCalendars();

        },



        clickNext: function (e) {

            var cal = $(e.target).parents('.calendar');

            if (cal.hasClass('left')) {

                this.leftCalendar.month.add(1, 'month');

            } else {

                this.rightCalendar.month.add(1, 'month');

            }

            this.updateCalendars();

        },



        hoverDate: function (e) {

            var title = $(e.target).attr('data-title');

            var row = title.substr(1, 1);

            var col = title.substr(3, 1);

            var cal = $(e.target).parents('.calendar');



            if (cal.hasClass('left')) {

                this.container.find('input[name=daterangepicker_start]').val(this.leftCalendar.calendar[row][col].format(this.format));

            } else {

                this.container.find('input[name=daterangepicker_end]').val(this.rightCalendar.calendar[row][col].format(this.format));

            }

        },



        setCustomDates: function(startDate, endDate) {

            this.chosenLabel = this.locale.customRangeLabel;

            if (startDate.isAfter(endDate)) {

                var difference = this.endDate.diff(this.startDate);

                endDate = moment(startDate).add(difference, 'ms');

            }

            this.startDate = startDate;

            this.endDate = endDate;



            this.updateView();

            this.updateCalendars();

        },



        clickDate: function (e) {

            var title = $(e.target).attr('data-title');

            var row = title.substr(1, 1);

            var col = title.substr(3, 1);

            var cal = $(e.target).parents('.calendar');



            var startDate, endDate;

            if (cal.hasClass('left')) {

                startDate = this.leftCalendar.calendar[row][col];

                endDate = this.endDate;

                if (typeof this.dateLimit === 'object') {

                    var maxDate = moment(startDate).add(this.dateLimit).startOf('day');

                    if (endDate.isAfter(maxDate)) {

                        endDate = maxDate;

                    }

                }

            } else {

                startDate = this.startDate;

                endDate = this.rightCalendar.calendar[row][col];

                if (typeof this.dateLimit === 'object') {

                    var minDate = moment(endDate).subtract(this.dateLimit).startOf('day');

                    if (startDate.isBefore(minDate)) {

                        startDate = minDate;

                    }

                }

            }



            if (this.singleDatePicker && cal.hasClass('left')) {

                endDate = startDate.clone();

            } else if (this.singleDatePicker && cal.hasClass('right')) {

                startDate = endDate.clone();

            }



            cal.find('td').removeClass('active');



            $(e.target).addClass('active');



            this.setCustomDates(startDate, endDate);



            if (!this.timePicker)

                endDate.endOf('day');



            if (this.singleDatePicker && !this.timePicker)

                this.clickApply();

        },



        clickApply: function (e) {

            this.updateInputText();

            this.hide();

            this.element.trigger('apply.daterangepicker', this);

        },



        clickCancel: function (e) {

            this.startDate = this.oldStartDate;

            this.endDate = this.oldEndDate;

            this.chosenLabel = this.oldChosenLabel;

            this.updateView();

            this.updateCalendars();

            this.hide();

            this.element.trigger('cancel.daterangepicker', this);

        },



        updateMonthYear: function (e) {

            var isLeft = $(e.target).closest('.calendar').hasClass('left'),

                leftOrRight = isLeft ? 'left' : 'right',

                cal = this.container.find('.calendar.'+leftOrRight);



            // Month must be Number for new moment versions

            var month = parseInt(cal.find('.monthselect').val(), 10);

            var year = cal.find('.yearselect').val();



            this[leftOrRight+'Calendar'].month.month(month).year(year);

            this.updateCalendars();

        },



        updateTime: function(e) {



            var cal = $(e.target).closest('.calendar'),

                isLeft = cal.hasClass('left');



            var hour = parseInt(cal.find('.hourselect').val(), 10);

            var minute = parseInt(cal.find('.minuteselect').val(), 10);



            if (this.timePicker12Hour) {

                var ampm = cal.find('.ampmselect').val();

                if (ampm === 'PM' && hour < 12)

                    hour += 12;

                if (ampm === 'AM' && hour === 12)

                    hour = 0;

            }



            if (isLeft) {

                var start = this.startDate.clone();

                start.hour(hour);

                start.minute(minute);

                this.startDate = start;

                this.leftCalendar.month.hour(hour).minute(minute);

            } else {

                var end = this.endDate.clone();

                end.hour(hour);

                end.minute(minute);

                this.endDate = end;

                this.rightCalendar.month.hour(hour).minute(minute);

            }



            this.updateCalendars();

        },



        updateCalendars: function () {

            this.leftCalendar.calendar = this.buildCalendar(this.leftCalendar.month.month(), this.leftCalendar.month.year(), this.leftCalendar.month.hour(), this.leftCalendar.month.minute(), 'left');

            this.rightCalendar.calendar = this.buildCalendar(this.rightCalendar.month.month(), this.rightCalendar.month.year(), this.rightCalendar.month.hour(), this.rightCalendar.month.minute(), 'right');

            this.container.find('.calendar.left').empty().html(this.renderCalendar(this.leftCalendar.calendar, this.startDate, this.minDate, this.maxDate));

            this.container.find('.calendar.right').empty().html(this.renderCalendar(this.rightCalendar.calendar, this.endDate, this.singleDatePicker ? this.minDate : this.startDate, this.maxDate));

            

            this.container.find('.ranges li').removeClass('active');

            var customRange = true;

            var i = 0;

            for (var range in this.ranges) {

                if (this.timePicker) {

                    if (this.startDate.isSame(this.ranges[range][0]) && this.endDate.isSame(this.ranges[range][1])) {

                        customRange = false;

                        this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')')

                            .addClass('active').html();

                    }

                } else {

                    //ignore times when comparing dates if time picker is not enabled

                    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')) {

                        customRange = false;

                        this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')')

                            .addClass('active').html();

                    }

                }

                i++;

            }

            if (customRange) {

                this.chosenLabel = this.container.find('.ranges li:last').addClass('active').html();

                this.showCalendars();

            }

        },



        buildCalendar: function (month, year, hour, minute, side) {

            var daysInMonth = moment([year, month]).daysInMonth();

            var firstDay = moment([year, month, 1]);

            var lastDay = moment([year, month, daysInMonth]);

            var lastMonth = moment(firstDay).subtract(1, 'month').month();

            var lastYear = moment(firstDay).subtract(1, 'month').year();



            var daysInLastMonth = moment([lastYear, lastMonth]).daysInMonth();



            var dayOfWeek = firstDay.day();



            var i;



            //initialize a 6 rows x 7 columns array for the calendar

            var calendar = [];

            calendar.firstDay = firstDay;

            calendar.lastDay = lastDay;



            for (i = 0; i < 6; i++) {

                calendar[i] = [];

            }



            //populate the calendar with date objects

            var startDay = daysInLastMonth - dayOfWeek + this.locale.firstDay + 1;

            if (startDay > daysInLastMonth)

                startDay -= 7;



            if (dayOfWeek == this.locale.firstDay)

                startDay = daysInLastMonth - 6;



            var curDate = moment([lastYear, lastMonth, startDay, 12, minute]);

            var col, row;

            for (i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = moment(curDate).add(24, 'hour')) {

                if (i > 0 && col % 7 === 0) {

                    col = 0;

                    row++;

                }

                calendar[row][col] = curDate.clone().hour(hour);

                curDate.hour(12);

            }



            return calendar;

        },



        renderDropdowns: function (selected, minDate, maxDate) {

            var currentMonth = selected.month();

            var monthHtml = '<select class="monthselect">';

            var inMinYear = false;

            var inMaxYear = false;



            for (var m = 0; m < 12; m++) {

                if ((!inMinYear || m >= minDate.month()) && (!inMaxYear || m <= maxDate.month())) {

                    monthHtml += "<option value='" + m + "'" +

                        (m === currentMonth ? " selected='selected'" : "") +

                        ">" + this.locale.monthNames[m] + "</option>";

                }

            }

            monthHtml += "</select>";



            var currentYear = selected.year();

            var maxYear = (maxDate && maxDate.year()) || (currentYear + 5);

            var minYear = (minDate && minDate.year()) || (currentYear - 50);

            var yearHtml = '<select class="yearselect">';



            for (var y = minYear; y <= maxYear; y++) {

                yearHtml += '<option value="' + y + '"' +

                    (y === currentYear ? ' selected="selected"' : '') +

                    '>' + y + '</option>';

            }



            yearHtml += '</select>';



            return monthHtml + yearHtml;

        },



        renderCalendar: function (calendar, selected, minDate, maxDate) {



            var html = '<div class="calendar-date">';

            html += '<table class="table-condensed">';

            html += '<thead>';

            html += '<tr>';



            // add empty cell for week number

            if (this.showWeekNumbers)

                html += '<th></th>';



            if (!minDate || minDate.isBefore(calendar.firstDay)) {

                html += '<th class="prev available"><i class="fa fa-angle-left"></i></th>';

            } else {

                html += '<th></th>';

            }



            var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");



            if (this.showDropdowns) {

                dateHtml = this.renderDropdowns(calendar[1][1], minDate, maxDate);

            }



            html += '<th colspan="5" class="month">' + dateHtml + '</th>';

            if (!maxDate || maxDate.isAfter(calendar.lastDay)) {

                html += '<th class="next available"><i class="fa fa-angle-right"></i></th>';

            } else {

                html += '<th></th>';

            }



            html += '</tr>';

            html += '<tr>';



            // add week number label

            if (this.showWeekNumbers)

                html += '<th class="week">' + this.locale.weekLabel + '</th>';



            $.each(this.locale.daysOfWeek, function (index, dayOfWeek) {

                html += '<th>' + dayOfWeek + '</th>';

            });



            html += '</tr>';

            html += '</thead>';

            html += '<tbody>';



            for (var row = 0; row < 6; row++) {

                html += '<tr>';



                // add week number

                if (this.showWeekNumbers)

                    html += '<td class="week">' + calendar[row][0].week() + '</td>';



                for (var col = 0; col < 7; col++) {

                    var cname = 'available ';

                    cname += (calendar[row][col].month() == calendar[1][1].month()) ? '' : 'off';



                    if ((minDate && calendar[row][col].isBefore(minDate, 'day')) || (maxDate && calendar[row][col].isAfter(maxDate, 'day'))) {

                        cname = ' off disabled ';

                    } else if (calendar[row][col].format('YYYY-MM-DD') == selected.format('YYYY-MM-DD')) {

                        cname += ' active ';

                        if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD')) {

                            cname += ' start-date ';

                        }

                        if (calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD')) {

                            cname += ' end-date ';

                        }

                    } else if (calendar[row][col] >= this.startDate && calendar[row][col] <= this.endDate) {

                        cname += ' in-range ';

                        if (calendar[row][col].isSame(this.startDate)) { cname += ' start-date '; }

                        if (calendar[row][col].isSame(this.endDate)) { cname += ' end-date '; }

                    }



                    var title = 'r' + row + 'c' + col;

                    html += '<td class="' + cname.replace(/\s+/g, ' ').replace(/^\s?(.*?)\s?$/, '$1') + '" data-title="' + title + '">' + calendar[row][col].date() + '</td>';

                }

                html += '</tr>';

            }



            html += '</tbody>';

            html += '</table>';

            html += '</div>';



            var i;

            if (this.timePicker) {



                html += '<div class="calendar-time">';

                html += '<select class="hourselect">';

                var start = 0;

                var end = 23;

                var selected_hour = selected.hour();

                if (this.timePicker12Hour) {

                    start = 1;

                    end = 12;

                    if (selected_hour >= 12)

                        selected_hour -= 12;

                    if (selected_hour === 0)

                        selected_hour = 12;

                }



                for (i = start; i <= end; i++) {

                    if (i == selected_hour) {

                        html += '<option value="' + i + '" selected="selected">' + i + '</option>';

                    } else {

                        html += '<option value="' + i + '">' + i + '</option>';

                    }

                }



                html += '</select> : ';



                html += '<select class="minuteselect">';



                for (i = 0; i < 60; i += this.timePickerIncrement) {

                    var num = i;

                    if (num < 10)

                        num = '0' + num;

                    if (i == selected.minute()) {

                        html += '<option value="' + i + '" selected="selected">' + num + '</option>';

                    } else {

                        html += '<option value="' + i + '">' + num + '</option>';

                    }

                }



                html += '</select> ';



                if (this.timePicker12Hour) {

                    html += '<select class="ampmselect">';

                    if (selected.hour() >= 12) {

                        html += '<option value="AM">AM</option><option value="PM" selected="selected">PM</option>';

                    } else {

                        html += '<option value="AM" selected="selected">AM</option><option value="PM">PM</option>';

                    }

                    html += '</select>';

                }



                html += '</div>';



            }



            return html;



        },



        remove: function() {



            this.container.remove();

            this.element.off('.daterangepicker');

            this.element.removeData('daterangepicker');



        }



    };



    $.fn.daterangepicker = function (options, cb) {

        this.each(function () {

            var el = $(this);

            if (el.data('daterangepicker'))

                el.data('daterangepicker').remove();

            el.data('daterangepicker', new DateRangePicker(el, options, cb));

        });

        return this;

    };



}));

