bitacora/public/assets/libs/daterangepicker/daterangepicker.js

/**
 * @version: 3.0.3
 * @author: Dan Grossman http://www.dangrossman.info/
 * @copyright: Copyright (c) 2012-2018 Dan Grossman. All rights reserved.
 * @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
 * @website: http://www.daterangepicker.com/
 */
// Following the UMD template https://github.com/umdjs/umd/blob/master/templates/returnExportsGlobal.js
(function (root, factory) {
  if (typeof define === "function" && define.amd) {
    // AMD. Make globaly available as well
    define(["moment", "jquery"], function (moment, jquery) {
      if (!jquery.fn) jquery.fn = {}; // webpack server rendering
      return factory(moment, jquery);
    });
  } else if (typeof module === "object" && module.exports) {
    // Node / Browserify
    //isomorphic issue
    var jQuery = typeof window != "undefined" ? window.jQuery : undefined;
    if (!jQuery) {
      jQuery = require("jquery");
      if (!jQuery.fn) jQuery.fn = {};
    }
    var moment =
      typeof window != "undefined" && typeof window.moment != "undefined"
        ? window.moment
        : require("moment");
    module.exports = factory(moment, jQuery);
  } else {
    // Browser globals
    root.daterangepicker = factory(root.moment, root.jQuery);
  }
})(this, function (moment, $) {
  var DateRangePicker = function (element, options, cb) {
    //default settings for options
    this.parentEl = "body";
    this.element = $(element);
    this.startDate = moment().startOf("day");
    this.endDate = moment().endOf("day");
    this.minDate = false;
    this.maxDate = false;
    this.maxSpan = false;
    this.autoApply = false;
    this.singleDatePicker = false;
    this.showDropdowns = false;
    this.minYear = moment().subtract(100, "year").format("YYYY");
    this.maxYear = moment().add(100, "year").format("YYYY");
    this.showWeekNumbers = false;
    this.showISOWeekNumbers = false;
    this.showCustomRangeLabel = true;
    this.timePicker = false;
    this.timePicker24Hour = false;
    this.timePickerIncrement = 1;
    this.timePickerSeconds = false;
    this.linkedCalendars = true;
    this.autoUpdateInput = true;
    this.alwaysShowCalendars = false;
    this.ranges = {};

    this.opens = "right";
    if (this.element.hasClass("pull-right")) this.opens = "left";

    this.drops = "down";
    if (this.element.hasClass("dropup")) this.drops = "up";

    this.buttonClasses = "btn btn-sm";
    this.applyButtonClasses = "btn-primary";
    this.cancelButtonClasses = "btn-default";

    this.locale = {
      direction: "ltr",
      format: moment.localeData().longDateFormat("L"),
      separator: " - ",
      applyLabel: "Apply",
      cancelLabel: "Cancel",
      weekLabel: "W",
      customRangeLabel: "Custom Range",
      daysOfWeek: moment.weekdaysMin(),
      monthNames: moment.monthsShort(),
      firstDay: moment.localeData().firstDayOfWeek(),
    };

    this.callback = function () {};

    //some state information
    this.isShowing = false;
    this.leftCalendar = {};
    this.rightCalendar = {};

    //custom options from user
    if (typeof options !== "object" || options === null) options = {};

    //allow setting options with data attributes
    //data-api options will be overwritten with custom javascript options
    options = $.extend(this.element.data(), options);

    //html template for the picker UI
    if (
      typeof options.template !== "string" &&
      !(options.template instanceof $)
    )
      options.template =
        '<div class="daterangepicker">' +
        '<div class="ranges"></div>' +
        '<div class="drp-calendar left">' +
        '<div class="calendar-table"></div>' +
        '<div class="calendar-time"></div>' +
        "</div>" +
        '<div class="drp-calendar right">' +
        '<div class="calendar-table"></div>' +
        '<div class="calendar-time"></div>' +
        "</div>" +
        '<div class="drp-buttons">' +
        '<span class="drp-selected"></span>' +
        '<button class="cancelBtn" type="button"></button>' +
        '<button class="applyBtn" disabled="disabled" type="button"></button> ' +
        "</div>" +
        "</div>";

    this.parentEl =
      options.parentEl && $(options.parentEl).length
        ? $(options.parentEl)
        : $(this.parentEl);
    this.container = $(options.template).appendTo(this.parentEl);

    //
    // handle all the possible options overriding defaults
    //

    if (typeof options.locale === "object") {
      if (typeof options.locale.direction === "string")
        this.locale.direction = options.locale.direction;

      if (typeof options.locale.format === "string")
        this.locale.format = options.locale.format;

      if (typeof options.locale.separator === "string")
        this.locale.separator = options.locale.separator;

      if (typeof options.locale.daysOfWeek === "object")
        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.weekLabel === "string")
        this.locale.weekLabel = options.locale.weekLabel;

      if (typeof options.locale.customRangeLabel === "string") {
        //Support unicode chars in the custom range name.
        var elem = document.createElement("textarea");
        elem.innerHTML = options.locale.customRangeLabel;
        var rangeHtml = elem.value;
        this.locale.customRangeLabel = rangeHtml;
      }
    }
    this.container.addClass(this.locale.direction);

    if (typeof options.startDate === "string")
      this.startDate = moment(options.startDate, this.locale.format);

    if (typeof options.endDate === "string")
      this.endDate = moment(options.endDate, this.locale.format);

    if (typeof options.minDate === "string")
      this.minDate = moment(options.minDate, this.locale.format);

    if (typeof options.maxDate === "string")
      this.maxDate = moment(options.maxDate, this.locale.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);

    // sanity check for bad options
    if (this.minDate && this.startDate.isBefore(this.minDate))
      this.startDate = this.minDate.clone();

    // sanity check for bad options
    if (this.maxDate && this.endDate.isAfter(this.maxDate))
      this.endDate = this.maxDate.clone();

    if (typeof options.applyButtonClasses === "string")
      this.applyButtonClasses = options.applyButtonClasses;

    if (typeof options.applyClass === "string")
      //backwards compat
      this.applyButtonClasses = options.applyClass;

    if (typeof options.cancelButtonClasses === "string")
      this.cancelButtonClasses = options.cancelButtonClasses;

    if (typeof options.cancelClass === "string")
      //backwards compat
      this.cancelButtonClasses = options.cancelClass;

    if (typeof options.maxSpan === "object") this.maxSpan = options.maxSpan;

    if (typeof options.dateLimit === "object")
      //backwards compat
      this.maxSpan = options.dateLimit;

    if (typeof options.opens === "string") this.opens = options.opens;

    if (typeof options.drops === "string") this.drops = options.drops;

    if (typeof options.showWeekNumbers === "boolean")
      this.showWeekNumbers = options.showWeekNumbers;

    if (typeof options.showISOWeekNumbers === "boolean")
      this.showISOWeekNumbers = options.showISOWeekNumbers;

    if (typeof options.buttonClasses === "string")
      this.buttonClasses = options.buttonClasses;

    if (typeof options.buttonClasses === "object")
      this.buttonClasses = options.buttonClasses.join(" ");

    if (typeof options.showDropdowns === "boolean")
      this.showDropdowns = options.showDropdowns;

    if (typeof options.minYear === "number") this.minYear = options.minYear;

    if (typeof options.maxYear === "number") this.maxYear = options.maxYear;

    if (typeof options.showCustomRangeLabel === "boolean")
      this.showCustomRangeLabel = options.showCustomRangeLabel;

    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.timePickerSeconds === "boolean")
      this.timePickerSeconds = options.timePickerSeconds;

    if (typeof options.timePickerIncrement === "number")
      this.timePickerIncrement = options.timePickerIncrement;

    if (typeof options.timePicker24Hour === "boolean")
      this.timePicker24Hour = options.timePicker24Hour;

    if (typeof options.autoApply === "boolean")
      this.autoApply = options.autoApply;

    if (typeof options.autoUpdateInput === "boolean")
      this.autoUpdateInput = options.autoUpdateInput;

    if (typeof options.linkedCalendars === "boolean")
      this.linkedCalendars = options.linkedCalendars;

    if (typeof options.isInvalidDate === "function")
      this.isInvalidDate = options.isInvalidDate;

    if (typeof options.isCustomDate === "function")
      this.isCustomDate = options.isCustomDate;

    if (typeof options.alwaysShowCalendars === "boolean")
      this.alwaysShowCalendars = options.alwaysShowCalendars;

    // 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(":text")) {
        var val = $(this.element).val(),
          split = val.split(this.locale.separator);

        start = end = null;

        if (split.length == 2) {
          start = moment(split[0], this.locale.format);
          end = moment(split[1], this.locale.format);
        } else if (this.singleDatePicker && val !== "") {
          start = moment(val, this.locale.format);
          end = moment(val, this.locale.format);
        }
        if (start !== null && end !== null) {
          this.setStartDate(start);
          this.setEndDate(end);
        }
      }
    }

    if (typeof options.ranges === "object") {
      for (range in options.ranges) {
        if (typeof options.ranges[range][0] === "string")
          start = moment(options.ranges[range][0], this.locale.format);
        else start = moment(options.ranges[range][0]);

        if (typeof options.ranges[range][1] === "string")
          end = moment(options.ranges[range][1], this.locale.format);
        else end = moment(options.ranges[range][1]);

        // If the start or end date exceed those allowed by the minDate or maxSpan
        // options, shorten the range to the allowable period.
        if (this.minDate && start.isBefore(this.minDate))
          start = this.minDate.clone();

        var maxDate = this.maxDate;
        if (
          this.maxSpan &&
          maxDate &&
          start.clone().add(this.maxSpan).isAfter(maxDate)
        )
          maxDate = start.clone().add(this.maxSpan);
        if (maxDate && end.isAfter(maxDate)) end = maxDate.clone();

        // If the end of the range is before the minimum or the start of the range is
        // after the maximum, don't display this range option at all.
        if (
          (this.minDate &&
            end.isBefore(this.minDate, this.timepicker ? "minute" : "day")) ||
          (maxDate &&
            start.isAfter(maxDate, this.timepicker ? "minute" : "day"))
        )
          continue;

        //Support unicode chars in the range names.
        var elem = document.createElement("textarea");
        elem.innerHTML = range;
        var rangeHtml = elem.value;

        this.ranges[rangeHtml] = [start, end];
      }

      var list = "<ul>";
      for (range in this.ranges) {
        list += '<li data-range-key="' + range + '">' + range + "</li>";
      }
      if (this.showCustomRangeLabel) {
        list +=
          '<li data-range-key="' +
          this.locale.customRangeLabel +
          '">' +
          this.locale.customRangeLabel +
          "</li>";
      }
      list += "</ul>";
      this.container.find(".ranges").prepend(list);
    }

    if (typeof cb === "function") {
      this.callback = cb;
    }

    if (!this.timePicker) {
      this.startDate = this.startDate.startOf("day");
      this.endDate = this.endDate.endOf("day");
      this.container.find(".calendar-time").hide();
    }

    //can't be used together for now
    if (this.timePicker && this.autoApply) this.autoApply = false;

    if (this.autoApply) {
      this.container.addClass("auto-apply");
    }

    if (typeof options.ranges === "object")
      this.container.addClass("show-ranges");

    if (this.singleDatePicker) {
      this.container.addClass("single");
      this.container.find(".drp-calendar.left").addClass("single");
      this.container.find(".drp-calendar.left").show();
      this.container.find(".drp-calendar.right").hide();
      if (!this.timePicker) {
        this.container.addClass("auto-apply");
      }
    }

    if (
      (typeof options.ranges === "undefined" && !this.singleDatePicker) ||
      this.alwaysShowCalendars
    ) {
      this.container.addClass("show-calendar");
    }

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

    //apply CSS classes and labels to buttons
    this.container.find(".applyBtn, .cancelBtn").addClass(this.buttonClasses);
    if (this.applyButtonClasses.length)
      this.container.find(".applyBtn").addClass(this.applyButtonClasses);
    if (this.cancelButtonClasses.length)
      this.container.find(".cancelBtn").addClass(this.cancelButtonClasses);
    this.container.find(".applyBtn").html(this.locale.applyLabel);
    this.container.find(".cancelBtn").html(this.locale.cancelLabel);

    //
    // event listeners
    //

    this.container
      .find(".drp-calendar")
      .on("click.daterangepicker", ".prev", $.proxy(this.clickPrev, this))
      .on("click.daterangepicker", ".next", $.proxy(this.clickNext, this))
      .on(
        "mousedown.daterangepicker",
        "td.available",
        $.proxy(this.clickDate, this)
      )
      .on(
        "mouseenter.daterangepicker",
        "td.available",
        $.proxy(this.hoverDate, this)
      )
      .on(
        "change.daterangepicker",
        "select.yearselect",
        $.proxy(this.monthOrYearChanged, this)
      )
      .on(
        "change.daterangepicker",
        "select.monthselect",
        $.proxy(this.monthOrYearChanged, this)
      )
      .on(
        "change.daterangepicker",
        "select.hourselect,select.minuteselect,select.secondselect,select.ampmselect",
        $.proxy(this.timeChanged, this)
      );

    this.container
      .find(".ranges")
      .on("click.daterangepicker", "li", $.proxy(this.clickRange, this));

    this.container
      .find(".drp-buttons")
      .on(
        "click.daterangepicker",
        "button.applyBtn",
        $.proxy(this.clickApply, this)
      )
      .on(
        "click.daterangepicker",
        "button.cancelBtn",
        $.proxy(this.clickCancel, this)
      );

    if (this.element.is("input") || this.element.is("button")) {
      this.element.on({
        "click.daterangepicker": $.proxy(this.show, this),
        "focus.daterangepicker": $.proxy(this.show, this),
        "keyup.daterangepicker": $.proxy(this.elementChanged, this),
        "keydown.daterangepicker": $.proxy(this.keydown, this), //IE 11 compatibility
      });
    } else {
      this.element.on("click.daterangepicker", $.proxy(this.toggle, this));
      this.element.on("keydown.daterangepicker", $.proxy(this.toggle, this));
    }

    //
    // if attached to a text input, set the initial value
    //

    this.updateElement();
  };

  DateRangePicker.prototype = {
    constructor: DateRangePicker,

    setStartDate: function (startDate) {
      if (typeof startDate === "string")
        this.startDate = moment(startDate, this.locale.format);

      if (typeof startDate === "object") this.startDate = moment(startDate);

      if (!this.timePicker) this.startDate = this.startDate.startOf("day");

      if (this.timePicker && this.timePickerIncrement)
        this.startDate.minute(
          Math.round(this.startDate.minute() / this.timePickerIncrement) *
            this.timePickerIncrement
        );

      if (this.minDate && this.startDate.isBefore(this.minDate)) {
        this.startDate = this.minDate.clone();
        if (this.timePicker && this.timePickerIncrement)
          this.startDate.minute(
            Math.round(this.startDate.minute() / this.timePickerIncrement) *
              this.timePickerIncrement
          );
      }

      if (this.maxDate && this.startDate.isAfter(this.maxDate)) {
        this.startDate = this.maxDate.clone();
        if (this.timePicker && this.timePickerIncrement)
          this.startDate.minute(
            Math.floor(this.startDate.minute() / this.timePickerIncrement) *
              this.timePickerIncrement
          );
      }

      if (!this.isShowing) this.updateElement();

      this.updateMonthsInView();
    },

    setEndDate: function (endDate) {
      if (typeof endDate === "string")
        this.endDate = moment(endDate, this.locale.format);

      if (typeof endDate === "object") this.endDate = moment(endDate);

      if (!this.timePicker)
        this.endDate = this.endDate
          .add(1, "d")
          .startOf("day")
          .subtract(1, "second");

      if (this.timePicker && this.timePickerIncrement)
        this.endDate.minute(
          Math.round(this.endDate.minute() / this.timePickerIncrement) *
            this.timePickerIncrement
        );

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

      if (this.maxDate && this.endDate.isAfter(this.maxDate))
        this.endDate = this.maxDate.clone();

      if (
        this.maxSpan &&
        this.startDate.clone().add(this.maxSpan).isBefore(this.endDate)
      )
        this.endDate = this.startDate.clone().add(this.maxSpan);

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

      this.container
        .find(".drp-selected")
        .html(
          this.startDate.format(this.locale.format) +
            this.locale.separator +
            this.endDate.format(this.locale.format)
        );

      if (!this.isShowing) this.updateElement();

      this.updateMonthsInView();
    },

    isInvalidDate: function () {
      return false;
    },

    isCustomDate: function () {
      return false;
    },

    updateView: function () {
      if (this.timePicker) {
        this.renderTimePicker("left");
        this.renderTimePicker("right");
        if (!this.endDate) {
          this.container
            .find(".right .calendar-time select")
            .attr("disabled", "disabled")
            .addClass("disabled");
        } else {
          this.container
            .find(".right .calendar-time select")
            .removeAttr("disabled")
            .removeClass("disabled");
        }
      }
      if (this.endDate)
        this.container
          .find(".drp-selected")
          .html(
            this.startDate.format(this.locale.format) +
              this.locale.separator +
              this.endDate.format(this.locale.format)
          );
      this.updateMonthsInView();
      this.updateCalendars();
      this.updateFormInputs();
    },

    updateMonthsInView: function () {
      if (this.endDate) {
        //if both dates are visible already, do nothing
        if (
          !this.singleDatePicker &&
          this.leftCalendar.month &&
          this.rightCalendar.month &&
          (this.startDate.format("YYYY-MM") ==
            this.leftCalendar.month.format("YYYY-MM") ||
            this.startDate.format("YYYY-MM") ==
              this.rightCalendar.month.format("YYYY-MM")) &&
          (this.endDate.format("YYYY-MM") ==
            this.leftCalendar.month.format("YYYY-MM") ||
            this.endDate.format("YYYY-MM") ==
              this.rightCalendar.month.format("YYYY-MM"))
        ) {
          return;
        }

        this.leftCalendar.month = this.startDate.clone().date(2);
        if (
          !this.linkedCalendars &&
          (this.endDate.month() != this.startDate.month() ||
            this.endDate.year() != this.startDate.year())
        ) {
          this.rightCalendar.month = this.endDate.clone().date(2);
        } else {
          this.rightCalendar.month = this.startDate
            .clone()
            .date(2)
            .add(1, "month");
        }
      } else {
        if (
          this.leftCalendar.month.format("YYYY-MM") !=
            this.startDate.format("YYYY-MM") &&
          this.rightCalendar.month.format("YYYY-MM") !=
            this.startDate.format("YYYY-MM")
        ) {
          this.leftCalendar.month = this.startDate.clone().date(2);
          this.rightCalendar.month = this.startDate
            .clone()
            .date(2)
            .add(1, "month");
        }
      }
      if (
        this.maxDate &&
        this.linkedCalendars &&
        !this.singleDatePicker &&
        this.rightCalendar.month > this.maxDate
      ) {
        this.rightCalendar.month = this.maxDate.clone().date(2);
        this.leftCalendar.month = this.maxDate
          .clone()
          .date(2)
          .subtract(1, "month");
      }
    },

    updateCalendars: function () {
      if (this.timePicker) {
        var hour, minute, second;
        if (this.endDate) {
          hour = parseInt(this.container.find(".left .hourselect").val(), 10);
          minute = parseInt(
            this.container.find(".left .minuteselect").val(),
            10
          );
          second = this.timePickerSeconds
            ? parseInt(this.container.find(".left .secondselect").val(), 10)
            : 0;
          if (!this.timePicker24Hour) {
            var ampm = this.container.find(".left .ampmselect").val();
            if (ampm === "PM" && hour < 12) hour += 12;
            if (ampm === "AM" && hour === 12) hour = 0;
          }
        } else {
          hour = parseInt(this.container.find(".right .hourselect").val(), 10);
          minute = parseInt(
            this.container.find(".right .minuteselect").val(),
            10
          );
          second = this.timePickerSeconds
            ? parseInt(this.container.find(".right .secondselect").val(), 10)
            : 0;
          if (!this.timePicker24Hour) {
            var ampm = this.container.find(".right .ampmselect").val();
            if (ampm === "PM" && hour < 12) hour += 12;
            if (ampm === "AM" && hour === 12) hour = 0;
          }
        }
        this.leftCalendar.month.hour(hour).minute(minute).second(second);
        this.rightCalendar.month.hour(hour).minute(minute).second(second);
      }

      this.renderCalendar("left");
      this.renderCalendar("right");

      //highlight any predefined range matching the current start and end dates
      this.container.find(".ranges li").removeClass("active");
      if (this.endDate == null) return;

      this.calculateChosenLabel();
    },

    renderCalendar: function (side) {
      //
      // Build the matrix of dates that will populate the calendar
      //

      var calendar = side == "left" ? this.leftCalendar : this.rightCalendar;
      var month = calendar.month.month();
      var year = calendar.month.year();
      var hour = calendar.month.hour();
      var minute = calendar.month.minute();
      var second = calendar.month.second();
      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();

      //initialize a 6 rows x 7 columns array for the calendar
      var calendar = [];
      calendar.firstDay = firstDay;
      calendar.lastDay = lastDay;

      for (var 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, second]);

      var col, row;
      for (
        var 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)
          .minute(minute)
          .second(second);
        curDate.hour(12);

        if (
          this.minDate &&
          calendar[row][col].format("YYYY-MM-DD") ==
            this.minDate.format("YYYY-MM-DD") &&
          calendar[row][col].isBefore(this.minDate) &&
          side == "left"
        ) {
          calendar[row][col] = this.minDate.clone();
        }

        if (
          this.maxDate &&
          calendar[row][col].format("YYYY-MM-DD") ==
            this.maxDate.format("YYYY-MM-DD") &&
          calendar[row][col].isAfter(this.maxDate) &&
          side == "right"
        ) {
          calendar[row][col] = this.maxDate.clone();
        }
      }

      //make the calendar object available to hoverDate/clickDate
      if (side == "left") {
        this.leftCalendar.calendar = calendar;
      } else {
        this.rightCalendar.calendar = calendar;
      }

      //
      // Display the calendar
      //

      var minDate = side == "left" ? this.minDate : this.startDate;
      var maxDate = this.maxDate;
      var selected = side == "left" ? this.startDate : this.endDate;
      var arrow =
        this.locale.direction == "ltr"
          ? { left: "chevron-left", right: "chevron-right" }
          : { left: "chevron-right", right: "chevron-left" };

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

      // add empty cell for week number
      if (this.showWeekNumbers || this.showISOWeekNumbers) html += "<th></th>";

      if (
        (!minDate || minDate.isBefore(calendar.firstDay)) &&
        (!this.linkedCalendars || side == "left")
      ) {
        html += '<th class="prev available"><span></span></th>';
      } else {
        html += "<th></th>";
      }

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

      if (this.showDropdowns) {
        var currentMonth = calendar[1][1].month();
        var currentYear = calendar[1][1].year();
        var maxYear = (maxDate && maxDate.year()) || this.maxYear;
        var minYear = (minDate && minDate.year()) || this.minYear;
        var inMinYear = currentYear == minYear;
        var inMaxYear = currentYear == maxYear;

        var monthHtml = '<select class="monthselect">';
        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>";
          } else {
            monthHtml +=
              "<option value='" +
              m +
              "'" +
              (m === currentMonth ? " selected='selected'" : "") +
              " disabled='disabled'>" +
              this.locale.monthNames[m] +
              "</option>";
          }
        }
        monthHtml += "</select>";

        var yearHtml = '<select class="yearselect">';
        for (var y = minYear; y <= maxYear; y++) {
          yearHtml +=
            '<option value="' +
            y +
            '"' +
            (y === currentYear ? ' selected="selected"' : "") +
            ">" +
            y +
            "</option>";
        }
        yearHtml += "</select>";

        dateHtml = monthHtml + yearHtml;
      }

      html += '<th colspan="5" class="month">' + dateHtml + "</th>";
      if (
        (!maxDate || maxDate.isAfter(calendar.lastDay)) &&
        (!this.linkedCalendars || side == "right" || this.singleDatePicker)
      ) {
        html += '<th class="next available"><span></span></th>';
      } else {
        html += "<th></th>";
      }

      html += "</tr>";
      html += "<tr>";

      // add week number label
      if (this.showWeekNumbers || this.showISOWeekNumbers)
        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>";

      //adjust maxDate to reflect the maxSpan setting in order to
      //grey out end dates beyond the maxSpan
      if (this.endDate == null && this.maxSpan) {
        var maxLimit = this.startDate.clone().add(this.maxSpan).endOf("day");
        if (!maxDate || maxLimit.isBefore(maxDate)) {
          maxDate = maxLimit;
        }
      }

      for (var row = 0; row < 6; row++) {
        html += "<tr>";

        // add week number
        if (this.showWeekNumbers)
          html += '<td class="week">' + calendar[row][0].week() + "</td>";
        else if (this.showISOWeekNumbers)
          html += '<td class="week">' + calendar[row][0].isoWeek() + "</td>";

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

          //highlight today's date
          if (calendar[row][col].isSame(new Date(), "day"))
            classes.push("today");

          //highlight weekends
          if (calendar[row][col].isoWeekday() > 5) classes.push("weekend");

          //grey out the dates in other months displayed at beginning and end of this calendar
          if (calendar[row][col].month() != calendar[1][1].month())
            classes.push("off");

          //don't allow selection of dates before the minimum date
          if (this.minDate && calendar[row][col].isBefore(this.minDate, "day"))
            classes.push("off", "disabled");

          //don't allow selection of dates after the maximum date
          if (maxDate && calendar[row][col].isAfter(maxDate, "day"))
            classes.push("off", "disabled");

          //don't allow selection of date if a custom function decides it's invalid
          if (this.isInvalidDate(calendar[row][col]))
            classes.push("off", "disabled");

          //highlight the currently selected start date
          if (
            calendar[row][col].format("YYYY-MM-DD") ==
            this.startDate.format("YYYY-MM-DD")
          )
            classes.push("active", "start-date");

          //highlight the currently selected end date
          if (
            this.endDate != null &&
            calendar[row][col].format("YYYY-MM-DD") ==
              this.endDate.format("YYYY-MM-DD")
          )
            classes.push("active", "end-date");

          //highlight dates in-between the selected dates
          if (
            this.endDate != null &&
            calendar[row][col] > this.startDate &&
            calendar[row][col] < this.endDate
          )
            classes.push("in-range");

          //apply custom classes for this date
          var isCustom = this.isCustomDate(calendar[row][col]);
          if (isCustom !== false) {
            if (typeof isCustom === "string") classes.push(isCustom);
            else Array.prototype.push.apply(classes, isCustom);
          }

          var cname = "",
            disabled = false;
          for (var i = 0; i < classes.length; i++) {
            cname += classes[i] + " ";
            if (classes[i] == "disabled") disabled = true;
          }
          if (!disabled) cname += "available";

          html +=
            '<td class="' +
            cname.replace(/^\s+|\s+$/g, "") +
            '" data-title="' +
            "r" +
            row +
            "c" +
            col +
            '">' +
            calendar[row][col].date() +
            "</td>";
        }
        html += "</tr>";
      }

      html += "</tbody>";
      html += "</table>";

      this.container
        .find(".drp-calendar." + side + " .calendar-table")
        .html(html);
    },

    renderTimePicker: function (side) {
      // Don't bother updating the time picker if it's currently disabled
      // because an end date hasn't been clicked yet
      if (side == "right" && !this.endDate) return;

      var html,
        selected,
        minDate,
        maxDate = this.maxDate;

      if (
        this.maxSpan &&
        (!this.maxDate ||
          this.startDate.clone().add(this.maxSpan).isAfter(this.maxDate))
      )
        maxDate = this.startDate.clone().add(this.maxSpan);

      if (side == "left") {
        selected = this.startDate.clone();
        minDate = this.minDate;
      } else if (side == "right") {
        selected = this.endDate.clone();
        minDate = this.startDate;

        //Preserve the time already selected
        var timeSelector = this.container.find(
          ".drp-calendar.right .calendar-time"
        );
        if (timeSelector.html() != "") {
          selected.hour(
            selected.hour() ||
              timeSelector.find(".hourselect option:selected").val()
          );
          selected.minute(
            selected.minute() ||
              timeSelector.find(".minuteselect option:selected").val()
          );
          selected.second(
            selected.second() ||
              timeSelector.find(".secondselect option:selected").val()
          );

          if (!this.timePicker24Hour) {
            var ampm = timeSelector.find(".ampmselect option:selected").val();
            if (ampm === "PM" && selected.hour() < 12)
              selected.hour(selected.hour() + 12);
            if (ampm === "AM" && selected.hour() === 12) selected.hour(0);
          }
        }

        if (selected.isBefore(this.startDate))
          selected = this.startDate.clone();

        if (maxDate && selected.isAfter(maxDate)) selected = maxDate.clone();
      }

      //
      // hours
      //

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

      var start = this.timePicker24Hour ? 0 : 1;
      var end = this.timePicker24Hour ? 23 : 12;

      for (var i = start; i <= end; i++) {
        var i_in_24 = i;
        if (!this.timePicker24Hour)
          i_in_24 =
            selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : i == 12 ? 0 : i;

        var time = selected.clone().hour(i_in_24);
        var disabled = false;
        if (minDate && time.minute(59).isBefore(minDate)) disabled = true;
        if (maxDate && time.minute(0).isAfter(maxDate)) disabled = true;

        if (i_in_24 == selected.hour() && !disabled) {
          html +=
            '<option value="' + i + '" selected="selected">' + i + "</option>";
        } else if (disabled) {
          html +=
            '<option value="' +
            i +
            '" disabled="disabled" class="disabled">' +
            i +
            "</option>";
        } else {
          html += '<option value="' + i + '">' + i + "</option>";
        }
      }

      html += "</select> ";

      //
      // minutes
      //

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

      for (var i = 0; i < 60; i += this.timePickerIncrement) {
        var padded = i < 10 ? "0" + i : i;
        var time = selected.clone().minute(i);

        var disabled = false;
        if (minDate && time.second(59).isBefore(minDate)) disabled = true;
        if (maxDate && time.second(0).isAfter(maxDate)) disabled = true;

        if (selected.minute() == i && !disabled) {
          html +=
            '<option value="' +
            i +
            '" selected="selected">' +
            padded +
            "</option>";
        } else if (disabled) {
          html +=
            '<option value="' +
            i +
            '" disabled="disabled" class="disabled">' +
            padded +
            "</option>";
        } else {
          html += '<option value="' + i + '">' + padded + "</option>";
        }
      }

      html += "</select> ";

      //
      // seconds
      //

      if (this.timePickerSeconds) {
        html += ': <select class="secondselect">';

        for (var i = 0; i < 60; i++) {
          var padded = i < 10 ? "0" + i : i;
          var time = selected.clone().second(i);

          var disabled = false;
          if (minDate && time.isBefore(minDate)) disabled = true;
          if (maxDate && time.isAfter(maxDate)) disabled = true;

          if (selected.second() == i && !disabled) {
            html +=
              '<option value="' +
              i +
              '" selected="selected">' +
              padded +
              "</option>";
          } else if (disabled) {
            html +=
              '<option value="' +
              i +
              '" disabled="disabled" class="disabled">' +
              padded +
              "</option>";
          } else {
            html += '<option value="' + i + '">' + padded + "</option>";
          }
        }

        html += "</select> ";
      }

      //
      // AM/PM
      //

      if (!this.timePicker24Hour) {
        html += '<select class="ampmselect">';

        var am_html = "";
        var pm_html = "";

        if (
          minDate &&
          selected.clone().hour(12).minute(0).second(0).isBefore(minDate)
        )
          am_html = ' disabled="disabled" class="disabled"';

        if (
          maxDate &&
          selected.clone().hour(0).minute(0).second(0).isAfter(maxDate)
        )
          pm_html = ' disabled="disabled" class="disabled"';

        if (selected.hour() >= 12) {
          html +=
            '<option value="AM"' +
            am_html +
            '>AM</option><option value="PM" selected="selected"' +
            pm_html +
            ">PM</option>";
        } else {
          html +=
            '<option value="AM" selected="selected"' +
            am_html +
            '>AM</option><option value="PM"' +
            pm_html +
            ">PM</option>";
        }

        html += "</select>";
      }

      this.container
        .find(".drp-calendar." + side + " .calendar-time")
        .html(html);
    },

    updateFormInputs: function () {
      if (
        this.singleDatePicker ||
        (this.endDate &&
          (this.startDate.isBefore(this.endDate) ||
            this.startDate.isSame(this.endDate)))
      ) {
        this.container.find("button.applyBtn").removeAttr("disabled");
      } else {
        this.container.find("button.applyBtn").attr("disabled", "disabled");
      }
    },

    move: function () {
      var parentOffset = { top: 0, left: 0 },
        containerTop;
      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.drops == "up")
        containerTop =
          this.element.offset().top -
          this.container.outerHeight() -
          parentOffset.top;
      else
        containerTop =
          this.element.offset().top +
          this.element.outerHeight() -
          parentOffset.top;
      this.container[this.drops == "up" ? "addClass" : "removeClass"](
        "drop-up"
      );

      if (this.opens == "left") {
        this.container.css({
          top: containerTop,
          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 if (this.opens == "center") {
        this.container.css({
          top: containerTop,
          left:
            this.element.offset().left -
            parentOffset.left +
            this.element.outerWidth() / 2 -
            this.container.outerWidth() / 2,
          right: "auto",
        });
        if (this.container.offset().left < 0) {
          this.container.css({
            right: "auto",
            left: 9,
          });
        }
      } else {
        this.container.css({
          top: containerTop,
          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,
          });
        }
      }
    },

    show: function (e) {
      if (this.isShowing) return;

      // 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 support mobile devices
        .on("touchend.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);

      // Reposition the picker if the window is resized while it's open
      $(window).on(
        "resize.daterangepicker",
        $.proxy(function (e) {
          this.move(e);
        }, this)
      );

      this.oldStartDate = this.startDate.clone();
      this.oldEndDate = this.endDate.clone();
      this.previousRightTime = this.endDate.clone();

      this.updateView();
      this.container.show();
      this.move();
      this.element.trigger("show.daterangepicker", this);
      this.isShowing = true;
    },

    hide: function (e) {
      if (!this.isShowing) return;

      //incomplete date selection, revert to last values
      if (!this.endDate) {
        this.startDate = this.oldStartDate.clone();
        this.endDate = this.oldEndDate.clone();
      }

      //if a new date range was selected, invoke the user callback function
      if (
        !this.startDate.isSame(this.oldStartDate) ||
        !this.endDate.isSame(this.oldEndDate)
      )
        this.callback(
          this.startDate.clone(),
          this.endDate.clone(),
          this.chosenLabel
        );

      //if picker is attached to a text input, update it
      this.updateElement();

      $(document).off(".daterangepicker");
      $(window).off(".daterangepicker");
      this.container.hide();
      this.element.trigger("hide.daterangepicker", this);
      this.isShowing = false;
    },

    toggle: function (e) {
      if (this.isShowing) {
        this.hide();
      } else {
        this.show();
      }
    },

    outsideClick: function (e) {
      var target = $(e.target);
      // if the page is clicked anywhere except within the daterangerpicker/button
      // itself then call this.hide()
      if (
        // ie modal dialog fix
        e.type == "focusin" ||
        target.closest(this.element).length ||
        target.closest(this.container).length ||
        target.closest(".calendar-table").length
      )
        return;
      this.hide();
      this.element.trigger("outsideClick.daterangepicker", this);
    },

    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);
    },

    clickRange: function (e) {
      var label = e.target.getAttribute("data-range-key");
      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");
        }

        if (!this.alwaysShowCalendars) this.hideCalendars();
        this.clickApply();
      }
    },

    clickPrev: function (e) {
      var cal = $(e.target).parents(".drp-calendar");
      if (cal.hasClass("left")) {
        this.leftCalendar.month.subtract(1, "month");
        if (this.linkedCalendars) this.rightCalendar.month.subtract(1, "month");
      } else {
        this.rightCalendar.month.subtract(1, "month");
      }
      this.updateCalendars();
    },

    clickNext: function (e) {
      var cal = $(e.target).parents(".drp-calendar");
      if (cal.hasClass("left")) {
        this.leftCalendar.month.add(1, "month");
      } else {
        this.rightCalendar.month.add(1, "month");
        if (this.linkedCalendars) this.leftCalendar.month.add(1, "month");
      }
      this.updateCalendars();
    },

    hoverDate: function (e) {
      //ignore dates that can't be selected
      if (!$(e.target).hasClass("available")) return;

      var title = $(e.target).attr("data-title");
      var row = title.substr(1, 1);
      var col = title.substr(3, 1);
      var cal = $(e.target).parents(".drp-calendar");
      var date = cal.hasClass("left")
        ? this.leftCalendar.calendar[row][col]
        : this.rightCalendar.calendar[row][col];

      //highlight the dates between the start date and the date being hovered as a potential end date
      var leftCalendar = this.leftCalendar;
      var rightCalendar = this.rightCalendar;
      var startDate = this.startDate;
      if (!this.endDate) {
        this.container
          .find(".drp-calendar tbody td")
          .each(function (index, el) {
            //skip week numbers, only look at dates
            if ($(el).hasClass("week")) return;

            var title = $(el).attr("data-title");
            var row = title.substr(1, 1);
            var col = title.substr(3, 1);
            var cal = $(el).parents(".drp-calendar");
            var dt = cal.hasClass("left")
              ? leftCalendar.calendar[row][col]
              : rightCalendar.calendar[row][col];

            if (
              (dt.isAfter(startDate) && dt.isBefore(date)) ||
              dt.isSame(date, "day")
            ) {
              $(el).addClass("in-range");
            } else {
              $(el).removeClass("in-range");
            }
          });
      }
    },

    clickDate: function (e) {
      if (!$(e.target).hasClass("available")) return;

      var title = $(e.target).attr("data-title");
      var row = title.substr(1, 1);
      var col = title.substr(3, 1);
      var cal = $(e.target).parents(".drp-calendar");
      var date = cal.hasClass("left")
        ? this.leftCalendar.calendar[row][col]
        : this.rightCalendar.calendar[row][col];

      //
      // this function needs to do a few things:
      // * alternate between selecting a start and end date for the range,
      // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
      // * if autoapply is enabled, and an end date was chosen, apply the selection
      // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
      // * if one of the inputs above the calendars was focused, cancel that manual input
      //

      if (this.endDate || date.isBefore(this.startDate, "day")) {
        //picking start
        if (this.timePicker) {
          var hour = parseInt(
            this.container.find(".left .hourselect").val(),
            10
          );
          if (!this.timePicker24Hour) {
            var ampm = this.container.find(".left .ampmselect").val();
            if (ampm === "PM" && hour < 12) hour += 12;
            if (ampm === "AM" && hour === 12) hour = 0;
          }
          var minute = parseInt(
            this.container.find(".left .minuteselect").val(),
            10
          );
          var second = this.timePickerSeconds
            ? parseInt(this.container.find(".left .secondselect").val(), 10)
            : 0;
          date = date.clone().hour(hour).minute(minute).second(second);
        }
        this.endDate = null;
        this.setStartDate(date.clone());
      } else if (!this.endDate && date.isBefore(this.startDate)) {
        //special case: clicking the same date for start/end,
        //but the time of the end date is before the start date
        this.setEndDate(this.startDate.clone());
      } else {
        // picking end
        if (this.timePicker) {
          var hour = parseInt(
            this.container.find(".right .hourselect").val(),
            10
          );
          if (!this.timePicker24Hour) {
            var ampm = this.container.find(".right .ampmselect").val();
            if (ampm === "PM" && hour < 12) hour += 12;
            if (ampm === "AM" && hour === 12) hour = 0;
          }
          var minute = parseInt(
            this.container.find(".right .minuteselect").val(),
            10
          );
          var second = this.timePickerSeconds
            ? parseInt(this.container.find(".right .secondselect").val(), 10)
            : 0;
          date = date.clone().hour(hour).minute(minute).second(second);
        }
        this.setEndDate(date.clone());
        if (this.autoApply) {
          this.calculateChosenLabel();
          this.clickApply();
        }
      }

      if (this.singleDatePicker) {
        this.setEndDate(this.startDate);
        if (!this.timePicker) this.clickApply();
      }

      this.updateView();

      //This is to cancel the blur event handler if the mouse was in one of the inputs
      e.stopPropagation();
    },

    calculateChosenLabel: function () {
      var customRange = true;
      var i = 0;
      for (var range in this.ranges) {
        if (this.timePicker) {
          var format = this.timePickerSeconds
            ? "YYYY-MM-DD hh:mm:ss"
            : "YYYY-MM-DD hh:mm";
          //ignore times when comparing dates if time picker seconds is not enabled
          if (
            this.startDate.format(format) ==
              this.ranges[range][0].format(format) &&
            this.endDate.format(format) == this.ranges[range][1].format(format)
          ) {
            customRange = false;
            this.chosenLabel = this.container
              .find(".ranges li:eq(" + i + ")")
              .addClass("active")
              .attr("data-range-key");
            break;
          }
        } 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")
              .attr("data-range-key");
            break;
          }
        }
        i++;
      }
      if (customRange) {
        if (this.showCustomRangeLabel) {
          this.chosenLabel = this.container
            .find(".ranges li:last")
            .addClass("active")
            .attr("data-range-key");
        } else {
          this.chosenLabel = null;
        }
        this.showCalendars();
      }
    },

    clickApply: function (e) {
      this.hide();
      this.element.trigger("apply.daterangepicker", this);
    },

    clickCancel: function (e) {
      this.startDate = this.oldStartDate;
      this.endDate = this.oldEndDate;
      this.hide();
      this.element.trigger("cancel.daterangepicker", this);
    },

    monthOrYearChanged: function (e) {
      var isLeft = $(e.target).closest(".drp-calendar").hasClass("left"),
        leftOrRight = isLeft ? "left" : "right",
        cal = this.container.find(".drp-calendar." + leftOrRight);

      // Month must be Number for new moment versions
      var month = parseInt(cal.find(".monthselect").val(), 10);
      var year = cal.find(".yearselect").val();

      if (!isLeft) {
        if (
          year < this.startDate.year() ||
          (year == this.startDate.year() && month < this.startDate.month())
        ) {
          month = this.startDate.month();
          year = this.startDate.year();
        }
      }

      if (this.minDate) {
        if (
          year < this.minDate.year() ||
          (year == this.minDate.year() && month < this.minDate.month())
        ) {
          month = this.minDate.month();
          year = this.minDate.year();
        }
      }

      if (this.maxDate) {
        if (
          year > this.maxDate.year() ||
          (year == this.maxDate.year() && month > this.maxDate.month())
        ) {
          month = this.maxDate.month();
          year = this.maxDate.year();
        }
      }

      if (isLeft) {
        this.leftCalendar.month.month(month).year(year);
        if (this.linkedCalendars)
          this.rightCalendar.month = this.leftCalendar.month
            .clone()
            .add(1, "month");
      } else {
        this.rightCalendar.month.month(month).year(year);
        if (this.linkedCalendars)
          this.leftCalendar.month = this.rightCalendar.month
            .clone()
            .subtract(1, "month");
      }
      this.updateCalendars();
    },

    timeChanged: function (e) {
      var cal = $(e.target).closest(".drp-calendar"),
        isLeft = cal.hasClass("left");

      var hour = parseInt(cal.find(".hourselect").val(), 10);
      var minute = parseInt(cal.find(".minuteselect").val(), 10);
      var second = this.timePickerSeconds
        ? parseInt(cal.find(".secondselect").val(), 10)
        : 0;

      if (!this.timePicker24Hour) {
        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);
        start.second(second);
        this.setStartDate(start);
        if (this.singleDatePicker) {
          this.endDate = this.startDate.clone();
        } else if (
          this.endDate &&
          this.endDate.format("YYYY-MM-DD") == start.format("YYYY-MM-DD") &&
          this.endDate.isBefore(start)
        ) {
          this.setEndDate(start.clone());
        }
      } else if (this.endDate) {
        var end = this.endDate.clone();
        end.hour(hour);
        end.minute(minute);
        end.second(second);
        this.setEndDate(end);
      }

      //update the calendars so all clickable dates reflect the new time component
      this.updateCalendars();

      //update the form inputs above the calendars with the new time
      this.updateFormInputs();

      //re-render the time pickers because changing one selection can affect what's enabled in another
      this.renderTimePicker("left");
      this.renderTimePicker("right");
    },

    elementChanged: function () {
      if (!this.element.is("input")) return;
      if (!this.element.val().length) return;

      var dateString = this.element.val().split(this.locale.separator),
        start = null,
        end = null;

      if (dateString.length === 2) {
        start = moment(dateString[0], this.locale.format);
        end = moment(dateString[1], this.locale.format);
      }

      if (this.singleDatePicker || start === null || end === null) {
        start = moment(this.element.val(), this.locale.format);
        end = start;
      }

      if (!start.isValid() || !end.isValid()) return;

      this.setStartDate(start);
      this.setEndDate(end);
      this.updateView();
    },

    keydown: function (e) {
      //hide on tab or enter
      if (e.keyCode === 9 || e.keyCode === 13) {
        this.hide();
      }

      //hide on esc and prevent propagation
      if (e.keyCode === 27) {
        e.preventDefault();
        e.stopPropagation();

        this.hide();
      }
    },

    updateElement: function () {
      if (this.element.is("input") && this.autoUpdateInput) {
        var newValue = this.startDate.format(this.locale.format);
        if (!this.singleDatePicker) {
          newValue +=
            this.locale.separator + this.endDate.format(this.locale.format);
        }
        if (newValue !== this.element.val()) {
          this.element.val(newValue).trigger("change");
        }
      }
    },

    remove: function () {
      this.container.remove();
      this.element.off(".daterangepicker");
      this.element.removeData();
    },
  };

  $.fn.daterangepicker = function (options, callback) {
    var implementOptions = $.extend(
      true,
      {},
      $.fn.daterangepicker.defaultOptions,
      options
    );
    this.each(function () {
      var el = $(this);
      if (el.data("daterangepicker")) el.data("daterangepicker").remove();
      el.data(
        "daterangepicker",
        new DateRangePicker(el, implementOptions, callback)
      );
    });
    return this;
  };

  return DateRangePicker;
});