/* =========================================================
 * bootstrap-datetimepicker.js
 * =========================================================
 * Copyright 2012 Stefan Petre
 *
 * Improvements by Andrew Rowls
 * Improvements by Sébastien Malot
 * Improvements by Yun Lai
 * Improvements by Kenneth Henderick
 * Improvements by CuGBabyBeaR
 * Improvements by Christian Vaas <auspex@auspex.eu>
 * Improvements by Kartik Visweswaran, Krajee.com, 2017
 *
 * Project URL : http://www.malot.fr/bootstrap-datetimepicker
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ========================================================= */

(function(factory){
    if (typeof define === 'function' && define.amd)
        define(['jquery'], factory);
    else if (typeof exports === 'object')
        factory(require('jquery'));
    else
        factory(jQuery);

}(function($, undefined){

    // Add ECMA262-5 Array methods if not supported natively (IE8)
    if (!('indexOf' in Array.prototype)) {
        Array.prototype.indexOf = function (find, i) {
            if (i === undefined) i = 0;
            if (i < 0) i += this.length;
            if (i < 0) i = 0;
            for (var n = this.length; i < n; i++) {
                if (i in this && this[i] === find) {
                    return i;
                }
            }
            return -1;
        }
    }

    function elementOrParentIsFixed (element) {
        var $element = $(element);
        var $checkElements = $element.add($element.parents());
        var isFixed = false;
        $checkElements.each(function(){
            if ($(this).css('position') === 'fixed') {
                isFixed = true;
                return false;
            }
        });
        return isFixed;
    }

    function UTCDate() {
        return new Date(Date.UTC.apply(Date, arguments));
    }

    function UTCToday() {
        var today = new Date();
        return UTCDate(today.getUTCFullYear(), today.getUTCMonth(), today.getUTCDate(), today.getUTCHours(), today.getUTCMinutes(), today.getUTCSeconds(), 0);
    }

    // Added by Kartik 20-Mar-2017
    var lPad = function (n) {
        return n === '' ? '' : (n < 10 ? '0' + n : '' + n);
    };

    // Added by Kartik 20-Mar-2017
    var getTzName = function (d) {
        var today = d || new Date(), offset = today.getTimezoneOffset(), o = Math.abs(offset),
            h = offset ? Math.floor(o / 60) : '', m = offset ? o % 60 : '',
            tzPrefix = offset ? (offset > 0 ? 'GMT-' : 'GMT+') : 'GMT';
        return tzPrefix + lPad(h) + lPad(m);
    };

    // Picker object
    var Datetimepicker = function (element, options) {
        var that = this;

        this.element = $(element);

        // add container for single page application
        // when page switch the datetimepicker div will be removed also.
        this.container = options.container || 'body';

        this.language = options.language || this.element.data('date-language') || 'en';
        this.language = this.language in dates ? this.language : this.language.split('-')[0]; // fr-CA fallback to fr
        this.language = this.language in dates ? this.language : 'en';
        this.isRTL = dates[this.language].rtl || false;
        this.formatType = options.formatType || this.element.data('format-type') || 'standard';
        this.format = DPGlobal.parseFormat(options.format || this.element.data('date-format') || dates[this.language].format || DPGlobal.getDefaultFormat(this.formatType, 'input'), this.formatType);
        this.isInline = false;
        this.isVisible = false;
        this.isInput = this.element.is('input');
        this.fontAwesome = options.fontAwesome || this.element.data('font-awesome') || false;

        this.bootcssVer = options.bootcssVer || (this.isInput ? (this.element.is('.form-control') ? 3 : 2) : ( this.bootcssVer = this.element.is('.input-group') ? 3 : 2 ));

        this.component = this.element.is('.date') ? ( this.bootcssVer == 3 ? this.element.find('.input-group-addon .glyphicon-th, .input-group-addon .glyphicon-time, .input-group-addon .glyphicon-remove, .input-group-addon .glyphicon-calendar, .input-group-addon .fa-calendar, .input-group-addon .fa-clock-o').parent() : this.element.find('.add-on .icon-th, .add-on .icon-time, .add-on .icon-calendar, .add-on .fa-calendar, .add-on .fa-clock-o').parent()) : false;
        this.componentReset = this.element.is('.date') ? ( this.bootcssVer == 3 ? this.element.find('.input-group-addon .glyphicon-remove, .input-group-addon .fa-times').parent():this.element.find('.add-on .icon-remove, .add-on .fa-times').parent()) : false;
        this.hasInput = this.component && this.element.find('input').length;
        if (this.component && this.component.length === 0) {
            this.component = false;
        }
        this.linkField = options.linkField || this.element.data('link-field') || false;
        this.linkFormat = DPGlobal.parseFormat(options.linkFormat || this.element.data('link-format') || DPGlobal.getDefaultFormat(this.formatType, 'link'), this.formatType);
        this.minuteStep = options.minuteStep || this.element.data('minute-step') || 5;
        this.pickerPosition = options.pickerPosition || this.element.data('picker-position') || 'bottom-right';
        this.showMeridian = options.showMeridian || this.element.data('show-meridian') || false;
        this.initialDate = options.initialDate || new Date();
        this.zIndex = options.zIndex || this.element.data('z-index') || undefined;
        this.title = typeof options.title === 'undefined' ? false : options.title;
        this.defaultTimeZone = getTzName();
        this.timezone = options.timezone || this.defaultTimeZone;

        this.icons = {
            leftArrow: this.fontAwesome ? 'fa-arrow-left' : (this.bootcssVer === 3 ? 'glyphicon-arrow-left' : 'icon-arrow-left'),
            rightArrow: this.fontAwesome ? 'fa-arrow-right' : (this.bootcssVer === 3 ? 'glyphicon-arrow-right' : 'icon-arrow-right')
        }
        this.icontype = this.fontAwesome ? 'fa' : 'glyphicon';

        this._attachEvents();

        this.clickedOutside = function (e) {
            // Clicked outside the datetimepicker, hide it
            if ($(e.target).closest('.datetimepicker').length === 0) {
                that.hide();
            }
        }

        this.formatViewType = 'datetime';
        if ('formatViewType' in options) {
            this.formatViewType = options.formatViewType;
        } else if ('formatViewType' in this.element.data()) {
            this.formatViewType = this.element.data('formatViewType');
        }

        this.minView = 0;
        if ('minView' in options) {
            this.minView = options.minView;
        } else if ('minView' in this.element.data()) {
            this.minView = this.element.data('min-view');
        }
        this.minView = DPGlobal.convertViewMode(this.minView);

        this.maxView = DPGlobal.modes.length - 1;
        if ('maxView' in options) {
            this.maxView = options.maxView;
        } else if ('maxView' in this.element.data()) {
            this.maxView = this.element.data('max-view');
        }
        this.maxView = DPGlobal.convertViewMode(this.maxView);

        this.wheelViewModeNavigation = false;
        if ('wheelViewModeNavigation' in options) {
            this.wheelViewModeNavigation = options.wheelViewModeNavigation;
        } else if ('wheelViewModeNavigation' in this.element.data()) {
            this.wheelViewModeNavigation = this.element.data('view-mode-wheel-navigation');
        }

        this.wheelViewModeNavigationInverseDirection = false;

        if ('wheelViewModeNavigationInverseDirection' in options) {
            this.wheelViewModeNavigationInverseDirection = options.wheelViewModeNavigationInverseDirection;
        } else if ('wheelViewModeNavigationInverseDirection' in this.element.data()) {
            this.wheelViewModeNavigationInverseDirection = this.element.data('view-mode-wheel-navigation-inverse-dir');
        }

        this.wheelViewModeNavigationDelay = 100;
        if ('wheelViewModeNavigationDelay' in options) {
            this.wheelViewModeNavigationDelay = options.wheelViewModeNavigationDelay;
        } else if ('wheelViewModeNavigationDelay' in this.element.data()) {
            this.wheelViewModeNavigationDelay = this.element.data('view-mode-wheel-navigation-delay');
        }

        this.startViewMode = 2;
        if ('startView' in options) {
            this.startViewMode = options.startView;
        } else if ('startView' in this.element.data()) {
            this.startViewMode = this.element.data('start-view');
        }
        this.startViewMode = DPGlobal.convertViewMode(this.startViewMode);
        this.viewMode = this.startViewMode;

        this.viewSelect = this.minView;
        if ('viewSelect' in options) {
            this.viewSelect = options.viewSelect;
        } else if ('viewSelect' in this.element.data()) {
            this.viewSelect = this.element.data('view-select');
        }
        this.viewSelect = DPGlobal.convertViewMode(this.viewSelect);

        this.forceParse = true;
        if ('forceParse' in options) {
            this.forceParse = options.forceParse;
        } else if ('dateForceParse' in this.element.data()) {
            this.forceParse = this.element.data('date-force-parse');
        }
        var template = this.bootcssVer === 3 ? DPGlobal.templateV3 : DPGlobal.template;
        while (template.indexOf('{iconType}') !== -1) {
            template = template.replace('{iconType}', this.icontype);
        }
        while (template.indexOf('{leftArrow}') !== -1) {
            template = template.replace('{leftArrow}', this.icons.leftArrow);
        }
        while (template.indexOf('{rightArrow}') !== -1) {
            template = template.replace('{rightArrow}', this.icons.rightArrow);
        }
        this.picker = $(template)
            .appendTo(this.isInline ? this.element : this.container) // 'body')
            .on({
                click:     $.proxy(this.click, this),
                mousedown: $.proxy(this.mousedown, this)
            });

        if (this.wheelViewModeNavigation) {
            if ($.fn.mousewheel) {
                this.picker.on({mousewheel: $.proxy(this.mousewheel, this)});
            } else {
                console.log('Mouse Wheel event is not supported. Please include the jQuery Mouse Wheel plugin before enabling this option');
            }
        }

        if (this.isInline) {
            this.picker.addClass('datetimepicker-inline');
        } else {
            this.picker.addClass('datetimepicker-dropdown-' + this.pickerPosition + ' dropdown-menu');
        }
        if (this.isRTL) {
            this.picker.addClass('datetimepicker-rtl');
            var selector = this.bootcssVer === 3 ? '.prev span, .next span' : '.prev i, .next i';
            this.picker.find(selector).toggleClass(this.icons.leftArrow + ' ' + this.icons.rightArrow);
        }

        $(document).on('mousedown', this.clickedOutside);

        this.autoclose = false;
        if ('autoclose' in options) {
            this.autoclose = options.autoclose;
        } else if ('dateAutoclose' in this.element.data()) {
            this.autoclose = this.element.data('date-autoclose');
        }

        this.keyboardNavigation = true;
        if ('keyboardNavigation' in options) {
            this.keyboardNavigation = options.keyboardNavigation;
        } else if ('dateKeyboardNavigation' in this.element.data()) {
            this.keyboardNavigation = this.element.data('date-keyboard-navigation');
        }

        this.todayBtn = (options.todayBtn || this.element.data('date-today-btn') || false);
        this.clearBtn = (options.clearBtn || this.element.data('date-clear-btn') || false);
        this.todayHighlight = (options.todayHighlight || this.element.data('date-today-highlight') || false);

        this.weekStart = ((options.weekStart || this.element.data('date-weekstart') || dates[this.language].weekStart || 0) % 7);
        this.weekEnd = ((this.weekStart + 6) % 7);
        this.startDate = -Infinity;
        this.endDate = Infinity;
        this.datesDisabled = [];
        this.daysOfWeekDisabled = [];
        this.setStartDate(options.startDate || this.element.data('date-startdate'));
        this.setEndDate(options.endDate || this.element.data('date-enddate'));
        this.setDatesDisabled(options.datesDisabled || this.element.data('date-dates-disabled'));
        this.setDaysOfWeekDisabled(options.daysOfWeekDisabled || this.element.data('date-days-of-week-disabled'));
        this.setMinutesDisabled(options.minutesDisabled || this.element.data('date-minute-disabled'));
        this.setHoursDisabled(options.hoursDisabled || this.element.data('date-hour-disabled'));
        this.fillDow();
        this.fillMonths();
        this.update();
        this.showMode();

        if (this.isInline) {
            this.show();
        }
    };

    Datetimepicker.prototype = {
        constructor: Datetimepicker,

        _events:       [],
        _attachEvents: function () {
            this._detachEvents();
            if (this.isInput) { // single input
                this._events = [
                    [this.element, {
                        focus:   $.proxy(this.show, this),
                        keyup:   $.proxy(this.update, this),
                        keydown: $.proxy(this.keydown, this)
                    }]
                ];
            }
            else if (this.component && this.hasInput) { // component: input + button
                this._events = [
                    // For components that are not readonly, allow keyboard nav
                    [this.element.find('input'), {
                        focus:   $.proxy(this.show, this),
                        keyup:   $.proxy(this.update, this),
                        keydown: $.proxy(this.keydown, this)
                    }],
                    [this.component, {
                        click: $.proxy(this.show, this)
                    }]
                ];
                if (this.componentReset) {
                    this._events.push([
                        this.componentReset,
                        {click: $.proxy(this.reset, this)}
                    ]);
                }
            }
            else if (this.element.is('div')) {  // inline datetimepicker
                this.isInline = true;
            }
            else {
                this._events = [
                    [this.element, {
                        click: $.proxy(this.show, this)
                    }]
                ];
            }
            for (var i = 0, el, ev; i < this._events.length; i++) {
                el = this._events[i][0];
                ev = this._events[i][1];
                el.on(ev);
            }
        },

        _detachEvents: function () {
            for (var i = 0, el, ev; i < this._events.length; i++) {
                el = this._events[i][0];
                ev = this._events[i][1];
                el.off(ev);
            }
            this._events = [];
        },

        show: function (e) {
            this.picker.show();
            this.height = this.component ? this.component.outerHeight() : this.element.outerHeight();
            if (this.forceParse) {
                this.update();
            }
            this.place();
            $(window).on('resize', $.proxy(this.place, this));
            if (e) {
                e.stopPropagation();
                e.preventDefault();
            }
            this.isVisible = true;
            this.element.trigger({
                type: 'show',
                date: this.date
            });
        },

        hide: function (e) {
            if (!this.isVisible) return;
            if (this.isInline) return;
            this.picker.hide();
            $(window).off('resize', this.place);
            this.viewMode = this.startViewMode;
            this.showMode();
            if (!this.isInput) {
                $(document).off('mousedown', this.hide);
            }

            if (
                this.forceParse &&
                (
                    this.isInput && this.element.val() ||
                    this.hasInput && this.element.find('input').val()
                )
            )
                this.setValue();
            this.isVisible = false;
            this.element.trigger({
                type: 'hide',
                date: this.date
            });
        },

        remove: function () {
            this._detachEvents();
            $(document).off('mousedown', this.clickedOutside);
            this.picker.remove();
            delete this.picker;
            delete this.element.data().datetimepicker;
        },

        getDate: function () {
            var d = this.getUTCDate();
            return new Date(d.getTime() + (d.getTimezoneOffset() * 60000));
        },

        getUTCDate: function () {
            return this.date;
        },

        getInitialDate: function () {
            return this.initialDate
        },

        setInitialDate: function (initialDate) {
            this.initialDate = initialDate;
        },

        setDate: function (d) {
            this.setUTCDate(new Date(d.getTime() - (d.getTimezoneOffset() * 60000)));
        },

        setUTCDate: function (d) {
            if (d >= this.startDate && d <= this.endDate) {
                this.date = d;
                this.setValue();
                this.viewDate = this.date;
                this.fill();
            } else {
                this.element.trigger({
                    type:      'outOfRange',
                    date:      d,
                    startDate: this.startDate,
                    endDate:   this.endDate
                });
            }
        },

        setFormat: function (format) {
            this.format = DPGlobal.parseFormat(format, this.formatType);
            var element;
            if (this.isInput) {
                element = this.element;
            } else if (this.component) {
                element = this.element.find('input');
            }
            if (element && element.val()) {
                this.setValue();
            }
        },

        setValue: function () {
            var formatted = this.getFormattedDate();
            if (!this.isInput) {
                if (this.component) {
                    this.element.find('input').val(formatted);
                }
                this.element.data('date', formatted);
            } else {
                this.element.val(formatted);
            }
            if (this.linkField) {
                $('#' + this.linkField).val(this.getFormattedDate(this.linkFormat));
            }
        },

        getFormattedDate: function (format) {
            if (format == undefined) format = this.format;
            return DPGlobal.formatDate(this.date, format, this.language, this.formatType, this.timezone);
        },

        setStartDate: function (startDate) {
            this.startDate = startDate || -Infinity;
            if (this.startDate !== -Infinity) {
                this.startDate = DPGlobal.parseDate(this.startDate, this.format, this.language, this.formatType, this.timezone);
            }
            this.update();
            this.updateNavArrows();
        },

        setEndDate: function (endDate) {
            this.endDate = endDate || Infinity;
            if (this.endDate !== Infinity) {
                this.endDate = DPGlobal.parseDate(this.endDate, this.format, this.language, this.formatType, this.timezone);
            }
            this.update();
            this.updateNavArrows();
        },

        setDatesDisabled: function (datesDisabled) {
            this.datesDisabled = datesDisabled || [];
            if (!$.isArray(this.datesDisabled)) {
                this.datesDisabled = this.datesDisabled.split(/,\s*/);
            }
            this.datesDisabled = $.map(this.datesDisabled, function (d) {
                return DPGlobal.parseDate(d, this.format, this.language, this.formatType, this.timezone).toDateString();
            });
            this.update();
            this.updateNavArrows();
        },

        setTitle: function (selector, value) {
            return this.picker.find(selector)
                .find('th:eq(1)')
                .text(this.title === false ? value : this.title);
        },

        setDaysOfWeekDisabled: function (daysOfWeekDisabled) {
            this.daysOfWeekDisabled = daysOfWeekDisabled || [];
            if (!$.isArray(this.daysOfWeekDisabled)) {
                this.daysOfWeekDisabled = this.daysOfWeekDisabled.split(/,\s*/);
            }
            this.daysOfWeekDisabled = $.map(this.daysOfWeekDisabled, function (d) {
                return parseInt(d, 10);
            });
            this.update();
            this.updateNavArrows();
        },

        setMinutesDisabled: function (minutesDisabled) {
            this.minutesDisabled = minutesDisabled || [];
            if (!$.isArray(this.minutesDisabled)) {
                this.minutesDisabled = this.minutesDisabled.split(/,\s*/);
            }
            this.minutesDisabled = $.map(this.minutesDisabled, function (d) {
                return parseInt(d, 10);
            });
            this.update();
            this.updateNavArrows();
        },

        setHoursDisabled: function (hoursDisabled) {
            this.hoursDisabled = hoursDisabled || [];
            if (!$.isArray(this.hoursDisabled)) {
                this.hoursDisabled = this.hoursDisabled.split(/,\s*/);
            }
            this.hoursDisabled = $.map(this.hoursDisabled, function (d) {
                return parseInt(d, 10);
            });
            this.update();
            this.updateNavArrows();
        },

        place: function () {
            if (this.isInline) return;

            if (!this.zIndex) {
                var index_highest = 0;
                $('div').each(function () {
                    var index_current = parseInt($(this).css('zIndex'), 10);
                    if (index_current > index_highest) {
                        index_highest = index_current;
                    }
                });
                this.zIndex = index_highest + 10;
            }

            var offset, top, left, containerOffset;
            if (this.container instanceof $) {
                containerOffset = this.container.offset();
            } else {
                containerOffset = $(this.container).offset();
            }

            if (this.component) {
                offset = this.component.offset();
                left = offset.left;
                if (this.pickerPosition == 'bottom-left' || this.pickerPosition == 'top-left') {
                    left += this.component.outerWidth() - this.picker.outerWidth();
                }
            } else {
                offset = this.element.offset();
                left = offset.left;
                if (this.pickerPosition == 'bottom-left' || this.pickerPosition == 'top-left') {
                    left += this.element.outerWidth() - this.picker.outerWidth();
                }
            }

            var bodyWidth = document.body.clientWidth || window.innerWidth;
            if (left + 220 > bodyWidth) {
                left = bodyWidth - 220;
            }

            if (this.pickerPosition == 'top-left' || this.pickerPosition == 'top-right') {
                top = offset.top - this.picker.outerHeight();
            } else {
                top = offset.top + this.height;
            }

            top = top - containerOffset.top;
            left = left - containerOffset.left;

            this.picker.css({
                top:    top,
                left:   left,
                zIndex: this.zIndex
            });
        },

        update: function () {
            var date, fromArgs = false;
            if (arguments && arguments.length && (typeof arguments[0] === 'string' || arguments[0] instanceof Date)) {
                date = arguments[0];
                fromArgs = true;
            } else {
                date = (this.isInput ? this.element.val() : this.element.find('input').val()) || this.element.data('date') || this.initialDate;
                if (typeof date == 'string' || date instanceof String) {
                    date = date.replace(/^\s+|\s+$/g,'');
                }
            }

            if (!date) {
                date = new Date();
                fromArgs = false;
            }

            this.date = DPGlobal.parseDate(date, this.format, this.language, this.formatType, this.timezone);

            if (fromArgs) this.setValue();

            if (this.date < this.startDate) {
                this.viewDate = new Date(this.startDate);
            } else if (this.date > this.endDate) {
                this.viewDate = new Date(this.endDate);
            } else {
                this.viewDate = new Date(this.date);
            }
            this.fill();
        },

        fillDow: function () {
            var dowCnt = this.weekStart,
                html = '<tr>';
            while (dowCnt < this.weekStart + 7) {
                html += '<th class="dow">' + dates[this.language].daysMin[(dowCnt++) % 7] + '</th>';
            }
            html += '</tr>';
            this.picker.find('.datetimepicker-days thead').append(html);
        },

        fillMonths: function () {
            var html = '',
                i = 0;
            while (i < 12) {
                html += '<span class="month">' + dates[this.language].monthsShort[i++] + '</span>';
            }
            this.picker.find('.datetimepicker-months td').html(html);
        },

        fill: function () {
            if (this.date == null || this.viewDate == null) {
                return;
            }
            var d = new Date(this.viewDate),
                year = d.getUTCFullYear(),
                month = d.getUTCMonth(),
                dayMonth = d.getUTCDate(),
                hours = d.getUTCHours(),
                minutes = d.getUTCMinutes(),
                startYear = this.startDate !== -Infinity ? this.startDate.getUTCFullYear() : -Infinity,
                startMonth = this.startDate !== -Infinity ? this.startDate.getUTCMonth() : -Infinity,
                endYear = this.endDate !== Infinity ? this.endDate.getUTCFullYear() : Infinity,
                endMonth = this.endDate !== Infinity ? this.endDate.getUTCMonth() + 1 : Infinity,
                currentDate = (new UTCDate(this.date.getUTCFullYear(), this.date.getUTCMonth(), this.date.getUTCDate())).valueOf(),
                today = new Date();
            this.setTitle('.datetimepicker-days', dates[this.language].months[month] + ' ' + year)
            if (this.formatViewType == 'time') {
                var formatted = this.getFormattedDate();
                this.setTitle('.datetimepicker-hours', formatted);
                this.setTitle('.datetimepicker-minutes', formatted);
            } else {
                this.setTitle('.datetimepicker-hours', dayMonth + ' ' + dates[this.language].months[month] + ' ' + year);
                this.setTitle('.datetimepicker-minutes', dayMonth + ' ' + dates[this.language].months[month] + ' ' + year);
            }
            this.picker.find('tfoot th.today')
                .text(dates[this.language].today || dates['en'].today)
                .toggle(this.todayBtn !== false);
            this.picker.find('tfoot th.clear')
                .text(dates[this.language].clear || dates['en'].clear)
                .toggle(this.clearBtn !== false);
            this.updateNavArrows();
            this.fillMonths();
            /*var prevMonth = UTCDate(year, month, 0,0,0,0,0);
             prevMonth.setUTCDate(prevMonth.getDate() - (prevMonth.getUTCDay() - this.weekStart + 7)%7);*/
            var prevMonth = UTCDate(year, month - 1, 28, 0, 0, 0, 0),
                day = DPGlobal.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
            prevMonth.setUTCDate(day);
            prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.weekStart + 7) % 7);
            var nextMonth = new Date(prevMonth);
            nextMonth.setUTCDate(nextMonth.getUTCDate() + 42);
            nextMonth = nextMonth.valueOf();
            var html = [];
            var clsName;
            while (prevMonth.valueOf() < nextMonth) {
                if (prevMonth.getUTCDay() == this.weekStart) {
                    html.push('<tr>');
                }
                clsName = '';
                if (prevMonth.getUTCFullYear() < year || (prevMonth.getUTCFullYear() == year && prevMonth.getUTCMonth() < month)) {
                    clsName += ' old';
                } else if (prevMonth.getUTCFullYear() > year || (prevMonth.getUTCFullYear() == year && prevMonth.getUTCMonth() > month)) {
                    clsName += ' new';
                }
                // Compare internal UTC date with local today, not UTC today
                if (this.todayHighlight &&
                    prevMonth.getUTCFullYear() == today.getFullYear() &&
                    prevMonth.getUTCMonth() == today.getMonth() &&
                    prevMonth.getUTCDate() == today.getDate()) {
                    clsName += ' today';
                }
                if (prevMonth.valueOf() == currentDate) {
                    clsName += ' active';
                }
                if ((prevMonth.valueOf() + 86400000) <= this.startDate || prevMonth.valueOf() > this.endDate ||
                    $.inArray(prevMonth.getUTCDay(), this.daysOfWeekDisabled) !== -1 ||
                    $.inArray(prevMonth.toDateString(), this.datesDisabled) !== -1) {
                    clsName += ' disabled';
                }
                html.push('<td class="day' + clsName + '">' + prevMonth.getUTCDate() + '</td>');
                if (prevMonth.getUTCDay() == this.weekEnd) {
                    html.push('</tr>');
                }
                prevMonth.setUTCDate(prevMonth.getUTCDate() + 1);
            }
            this.picker.find('.datetimepicker-days tbody').empty().append(html.join(''));

            html = [];
            var txt = '', meridian = '', meridianOld = '';
            var hoursDisabled = this.hoursDisabled || [];
            for (var i = 0; i < 24; i++) {
                if (hoursDisabled.indexOf(i) !== -1) continue;
                var actual = UTCDate(year, month, dayMonth, i);
                clsName = '';
                // We want the previous hour for the startDate
                if ((actual.valueOf() + 3600000) <= this.startDate || actual.valueOf() > this.endDate) {
                    clsName += ' disabled';
                } else if (hours == i) {
                    clsName += ' active';
                }
                if (this.showMeridian && dates[this.language].meridiem.length == 2) {
                    meridian = (i < 12 ? dates[this.language].meridiem[0] : dates[this.language].meridiem[1]);
                    if (meridian != meridianOld) {
                        if (meridianOld != '') {
                            html.push('</fieldset>');
                        }
                        html.push('<fieldset class="hour"><legend>' + meridian.toUpperCase() + '</legend>');
                    }
                    meridianOld = meridian;
                    txt = (i % 12 ? i % 12 : 12);
                    html.push('<span class="hour' + clsName + ' hour_' + (i < 12 ? 'am' : 'pm') + '">' + txt + '</span>');
                    if (i == 23) {
                        html.push('</fieldset>');
                    }
                } else {
                    txt = i + ':00';
                    html.push('<span class="hour' + clsName + '">' + txt + '</span>');
                }
            }
            this.picker.find('.datetimepicker-hours td').html(html.join(''));

            html = [];
            txt = '', meridian = '', meridianOld = '';
            var minutesDisabled = this.minutesDisabled || [];
            for (var i = 0; i < 60; i += this.minuteStep) {
                if (minutesDisabled.indexOf(i) !== -1) continue;
                var actual = UTCDate(year, month, dayMonth, hours, i, 0);
                clsName = '';
                if (actual.valueOf() < this.startDate || actual.valueOf() > this.endDate) {
                    clsName += ' disabled';
                } else if (Math.floor(minutes / this.minuteStep) == Math.floor(i / this.minuteStep)) {
                    clsName += ' active';
                }
                if (this.showMeridian && dates[this.language].meridiem.length == 2) {
                    meridian = (hours < 12 ? dates[this.language].meridiem[0] : dates[this.language].meridiem[1]);
                    if (meridian != meridianOld) {
                        if (meridianOld != '') {
                            html.push('</fieldset>');
                        }
                        html.push('<fieldset class="minute"><legend>' + meridian.toUpperCase() + '</legend>');
                    }
                    meridianOld = meridian;
                    txt = (hours % 12 ? hours % 12 : 12);
                    //html.push('<span class="minute'+clsName+' minute_'+(hours<12?'am':'pm')+'">'+txt+'</span>');
                    html.push('<span class="minute' + clsName + '">' + txt + ':' + (i < 10 ? '0' + i : i) + '</span>');
                    if (i == 59) {
                        html.push('</fieldset>');
                    }
                } else {
                    txt = i + ':00';
                    //html.push('<span class="hour'+clsName+'">'+txt+'</span>');
                    html.push('<span class="minute' + clsName + '">' + hours + ':' + (i < 10 ? '0' + i : i) + '</span>');
                }
            }
            this.picker.find('.datetimepicker-minutes td').html(html.join(''));

            var currentYear = this.date.getUTCFullYear();
            var months = this.setTitle('.datetimepicker-months', year)
                .end()
                .find('span').removeClass('active');
            if (currentYear == year) {
                // getUTCMonths() returns 0 based, and we need to select the next one
                // To cater bootstrap 2 we don't need to select the next one
                var offset = months.length - 12;
                months.eq(this.date.getUTCMonth() + offset).addClass('active');
            }
            if (year < startYear || year > endYear) {
                months.addClass('disabled');
            }
            if (year == startYear) {
                months.slice(0, startMonth).addClass('disabled');
            }
            if (year == endYear) {
                months.slice(endMonth).addClass('disabled');
            }

            html = '';
            year = parseInt(year / 10, 10) * 10;
            var yearCont = this.setTitle('.datetimepicker-years', year + '-' + (year + 9))
                .end()
                .find('td');
            year -= 1;
            for (var i = -1; i < 11; i++) {
                html += '<span class="year' + (i == -1 || i == 10 ? ' old' : '') + (currentYear == year ? ' active' : '') + (year < startYear || year > endYear ? ' disabled' : '') + '">' + year + '</span>';
                year += 1;
            }
            yearCont.html(html);
            this.place();
        },

        updateNavArrows: function () {
            var d = new Date(this.viewDate),
                year = d.getUTCFullYear(),
                month = d.getUTCMonth(),
                day = d.getUTCDate(),
                hour = d.getUTCHours();
            switch (this.viewMode) {
                case 0:
                    if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear()
                        && month <= this.startDate.getUTCMonth()
                        && day <= this.startDate.getUTCDate()
                        && hour <= this.startDate.getUTCHours()) {
                        this.picker.find('.prev').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.prev').css({visibility: 'visible'});
                    }
                    if (this.endDate !== Infinity && year >= this.endDate.getUTCFullYear()
                        && month >= this.endDate.getUTCMonth()
                        && day >= this.endDate.getUTCDate()
                        && hour >= this.endDate.getUTCHours()) {
                        this.picker.find('.next').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.next').css({visibility: 'visible'});
                    }
                    break;
                case 1:
                    if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear()
                        && month <= this.startDate.getUTCMonth()
                        && day <= this.startDate.getUTCDate()) {
                        this.picker.find('.prev').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.prev').css({visibility: 'visible'});
                    }
                    if (this.endDate !== Infinity && year >= this.endDate.getUTCFullYear()
                        && month >= this.endDate.getUTCMonth()
                        && day >= this.endDate.getUTCDate()) {
                        this.picker.find('.next').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.next').css({visibility: 'visible'});
                    }
                    break;
                case 2:
                    if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear()
                        && month <= this.startDate.getUTCMonth()) {
                        this.picker.find('.prev').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.prev').css({visibility: 'visible'});
                    }
                    if (this.endDate !== Infinity && year >= this.endDate.getUTCFullYear()
                        && month >= this.endDate.getUTCMonth()) {
                        this.picker.find('.next').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.next').css({visibility: 'visible'});
                    }
                    break;
                case 3:
                case 4:
                    if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear()) {
                        this.picker.find('.prev').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.prev').css({visibility: 'visible'});
                    }
                    if (this.endDate !== Infinity && year >= this.endDate.getUTCFullYear()) {
                        this.picker.find('.next').css({visibility: 'hidden'});
                    } else {
                        this.picker.find('.next').css({visibility: 'visible'});
                    }
                    break;
            }
        },

        mousewheel: function (e) {

            e.preventDefault();
            e.stopPropagation();

            if (this.wheelPause) {
                return;
            }

            this.wheelPause = true;

            var originalEvent = e.originalEvent;

            var delta = originalEvent.wheelDelta;

            var mode = delta > 0 ? 1 : (delta === 0) ? 0 : -1;

            if (this.wheelViewModeNavigationInverseDirection) {
                mode = -mode;
            }

            this.showMode(mode);

            setTimeout($.proxy(function () {

                this.wheelPause = false

            }, this), this.wheelViewModeNavigationDelay);

        },

        click: function (e) {
            e.stopPropagation();
            e.preventDefault();
            var target = $(e.target).closest('span, td, th, legend');
            if (target.is('.' + this.icontype)) {
                target = $(target).parent().closest('span, td, th, legend');
            }
            if (target.length == 1) {
                if (target.is('.disabled')) {
                    this.element.trigger({
                        type:      'outOfRange',
                        date:      this.viewDate,
                        startDate: this.startDate,
                        endDate:   this.endDate
                    });
                    return;
                }
                switch (target[0].nodeName.toLowerCase()) {
                    case 'th':
                        switch (target[0].className) {
                            case 'switch':
                                this.showMode(1);
                                break;
                            case 'prev':
                            case 'next':
                                var dir = DPGlobal.modes[this.viewMode].navStep * (target[0].className == 'prev' ? -1 : 1);
                                switch (this.viewMode) {
                                    case 0:
                                        this.viewDate = this.moveHour(this.viewDate, dir);
                                        break;
                                    case 1:
                                        this.viewDate = this.moveDate(this.viewDate, dir);
                                        break;
                                    case 2:
                                        this.viewDate = this.moveMonth(this.viewDate, dir);
                                        break;
                                    case 3:
                                    case 4:
                                        this.viewDate = this.moveYear(this.viewDate, dir);
                                        break;
                                }
                                this.fill();
                                this.element.trigger({
                                    type:      target[0].className + ':' + this.convertViewModeText(this.viewMode),
                                    date:      this.viewDate,
                                    startDate: this.startDate,
                                    endDate:   this.endDate
                                });
                                break;
                            case 'clear':
                                this.reset();
                                if (this.autoclose) {
                                    this.hide();
                                }
                                break;
                            case 'today':
                                var date = new Date();
                                date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds(), 0);

                                // Respect startDate and endDate.
                                if (date < this.startDate) date = this.startDate;
                                else if (date > this.endDate) date = this.endDate;

                                this.viewMode = this.startViewMode;
                                this.showMode(0);
                                this._setDate(date);
                                this.fill();
                                if (this.autoclose) {
                                    this.hide();
                                }
                                break;
                        }
                        break;
                    case 'span':
                        if (!target.is('.disabled')) {
                            var year = this.viewDate.getUTCFullYear(),
                                month = this.viewDate.getUTCMonth(),
                                day = this.viewDate.getUTCDate(),
                                hours = this.viewDate.getUTCHours(),
                                minutes = this.viewDate.getUTCMinutes(),
                                seconds = this.viewDate.getUTCSeconds();

                            if (target.is('.month')) {
                                this.viewDate.setUTCDate(1);
                                month = target.parent().find('span').index(target);
                                day = this.viewDate.getUTCDate();
                                this.viewDate.setUTCMonth(month);
                                this.element.trigger({
                                    type: 'changeMonth',
                                    date: this.viewDate
                                });
                                if (this.viewSelect >= 3) {
                                    this._setDate(UTCDate(year, month, day, hours, minutes, seconds, 0));
                                }
                            } else if (target.is('.year')) {
                                this.viewDate.setUTCDate(1);
                                year = parseInt(target.text(), 10) || 0;
                                this.viewDate.setUTCFullYear(year);
                                this.element.trigger({
                                    type: 'changeYear',
                                    date: this.viewDate
                                });
                                if (this.viewSelect >= 4) {
                                    this._setDate(UTCDate(year, month, day, hours, minutes, seconds, 0));
                                }
                            } else if (target.is('.hour')) {
                                hours = parseInt(target.text(), 10) || 0;
                                if (target.hasClass('hour_am') || target.hasClass('hour_pm')) {
                                    if (hours == 12 && target.hasClass('hour_am')) {
                                        hours = 0;
                                    } else if (hours != 12 && target.hasClass('hour_pm')) {
                                        hours += 12;
                                    }
                                }
                                this.viewDate.setUTCHours(hours);
                                this.element.trigger({
                                    type: 'changeHour',
                                    date: this.viewDate
                                });
                                if (this.viewSelect >= 1) {
                                    this._setDate(UTCDate(year, month, day, hours, minutes, seconds, 0));
                                }
                            } else if (target.is('.minute')) {
                                minutes = parseInt(target.text().substr(target.text().indexOf(':') + 1), 10) || 0;
                                this.viewDate.setUTCMinutes(minutes);
                                this.element.trigger({
                                    type: 'changeMinute',
                                    date: this.viewDate
                                });
                                if (this.viewSelect >= 0) {
                                    this._setDate(UTCDate(year, month, day, hours, minutes, seconds, 0));
                                }
                            }
                            if (this.viewMode != 0) {
                                var oldViewMode = this.viewMode;
                                this.showMode(-1);
                                this.fill();
                                if (oldViewMode == this.viewMode && this.autoclose) {
                                    this.hide();
                                }
                            } else {
                                this.fill();
                                if (this.autoclose) {
                                    this.hide();
                                }
                            }
                        }
                        break;
                    case 'td':
                        if (target.is('.day') && !target.is('.disabled')) {
                            var day = parseInt(target.text(), 10) || 1;
                            var year = this.viewDate.getUTCFullYear(),
                                month = this.viewDate.getUTCMonth(),
                                hours = this.viewDate.getUTCHours(),
                                minutes = this.viewDate.getUTCMinutes(),
                                seconds = this.viewDate.getUTCSeconds();
                            if (target.is('.old')) {
                                if (month === 0) {
                                    month = 11;
                                    year -= 1;
                                } else {
                                    month -= 1;
                                }
                            } else if (target.is('.new')) {
                                if (month == 11) {
                                    month = 0;
                                    year += 1;
                                } else {
                                    month += 1;
                                }
                            }
                            this.viewDate.setUTCFullYear(year);
                            this.viewDate.setUTCMonth(month, day);
                            this.element.trigger({
                                type: 'changeDay',
                                date: this.viewDate
                            });
                            if (this.viewSelect >= 2) {
                                this._setDate(UTCDate(year, month, day, hours, minutes, seconds, 0));
                            }
                        }
                        var oldViewMode = this.viewMode;
                        this.showMode(-1);
                        this.fill();
                        if (oldViewMode == this.viewMode && this.autoclose) {
                            this.hide();
                        }
                        break;
                }
            }
        },

        _setDate: function (date, which) {
            if (!which || which == 'date')
                this.date = date;
            if (!which || which == 'view')
                this.viewDate = date;
            this.fill();
            this.setValue();
            var element;
            if (this.isInput) {
                element = this.element;
            } else if (this.component) {
                element = this.element.find('input');
            }
            if (element) {
                element.change();
                if (this.autoclose && (!which || which == 'date')) {
                    //this.hide();
                }
            }
            this.element.trigger({
                type: 'changeDate',
                date: this.getDate()
            });
            if(date == null)
                this.date = this.viewDate;
        },

        moveMinute: function (date, dir) {
            if (!dir) return date;
            var new_date = new Date(date.valueOf());
            //dir = dir > 0 ? 1 : -1;
            new_date.setUTCMinutes(new_date.getUTCMinutes() + (dir * this.minuteStep));
            return new_date;
        },

        moveHour: function (date, dir) {
            if (!dir) return date;
            var new_date = new Date(date.valueOf());
            //dir = dir > 0 ? 1 : -1;
            new_date.setUTCHours(new_date.getUTCHours() + dir);
            return new_date;
        },

        moveDate: function (date, dir) {
            if (!dir) return date;
            var new_date = new Date(date.valueOf());
            //dir = dir > 0 ? 1 : -1;
            new_date.setUTCDate(new_date.getUTCDate() + dir);
            return new_date;
        },

        moveMonth: function (date, dir) {
            if (!dir) return date;
            var new_date = new Date(date.valueOf()),
                day = new_date.getUTCDate(),
                month = new_date.getUTCMonth(),
                mag = Math.abs(dir),
                new_month, test;
            dir = dir > 0 ? 1 : -1;
            if (mag == 1) {
                test = dir == -1
                    // If going back one month, make sure month is not current month
                    // (eg, Mar 31 -> Feb 31 == Feb 28, not Mar 02)
                    ? function () {
                        return new_date.getUTCMonth() == month;
                    }
                    // If going forward one month, make sure month is as expected
                    // (eg, Jan 31 -> Feb 31 == Feb 28, not Mar 02)
                    : function () {
                        return new_date.getUTCMonth() != new_month;
                    };
                new_month = month + dir;
                new_date.setUTCMonth(new_month);
                // Dec -> Jan (12) or Jan -> Dec (-1) -- limit expected date to 0-11
                if (new_month < 0 || new_month > 11)
                    new_month = (new_month + 12) % 12;
            } else {
                // For magnitudes >1, move one month at a time...
                for (var i = 0; i < mag; i++)
                    // ...which might decrease the day (eg, Jan 31 to Feb 28, etc)...
                    new_date = this.moveMonth(new_date, dir);
                // ...then reset the day, keeping it in the new month
                new_month = new_date.getUTCMonth();
                new_date.setUTCDate(day);
                test = function () {
                    return new_month != new_date.getUTCMonth();
                };
            }
            // Common date-resetting loop -- if date is beyond end of month, make it
            // end of month
            while (test()) {
                new_date.setUTCDate(--day);
                new_date.setUTCMonth(new_month);
            }
            return new_date;
        },

        moveYear: function (date, dir) {
            return this.moveMonth(date, dir * 12);
        },

        dateWithinRange: function (date) {
            return date >= this.startDate && date <= this.endDate;
        },

        keydown: function (e) {
            if (this.picker.is(':not(:visible)')) {
                if (e.keyCode == 27) // allow escape to hide and re-show picker
                    this.show();
                return;
            }
            var dateChanged = false,
                dir, day, month,
                newDate, newViewDate;
            switch (e.keyCode) {
                case 27: // escape
                    this.hide();
                    e.preventDefault();
                    break;
                case 37: // left
                case 39: // right
                    if (!this.keyboardNavigation) break;
                    dir = e.keyCode == 37 ? -1 : 1;
                    viewMode = this.viewMode;
                    if (e.ctrlKey) {
                        viewMode += 2;
                    } else if (e.shiftKey) {
                        viewMode += 1;
                    }
                    if (viewMode == 4) {
                        newDate = this.moveYear(this.date, dir);
                        newViewDate = this.moveYear(this.viewDate, dir);
                    } else if (viewMode == 3) {
                        newDate = this.moveMonth(this.date, dir);
                        newViewDate = this.moveMonth(this.viewDate, dir);
                    } else if (viewMode == 2) {
                        newDate = this.moveDate(this.date, dir);
                        newViewDate = this.moveDate(this.viewDate, dir);
                    } else if (viewMode == 1) {
                        newDate = this.moveHour(this.date, dir);
                        newViewDate = this.moveHour(this.viewDate, dir);
                    } else if (viewMode == 0) {
                        newDate = this.moveMinute(this.date, dir);
                        newViewDate = this.moveMinute(this.viewDate, dir);
                    }
                    if (this.dateWithinRange(newDate)) {
                        this.date = newDate;
                        this.viewDate = newViewDate;
                        this.setValue();
                        this.update();
                        e.preventDefault();
                        dateChanged = true;
                    }
                    break;
                case 38: // up
                case 40: // down
                    if (!this.keyboardNavigation) break;
                    dir = e.keyCode == 38 ? -1 : 1;
                    viewMode = this.viewMode;
                    if (e.ctrlKey) {
                        viewMode += 2;
                    } else if (e.shiftKey) {
                        viewMode += 1;
                    }
                    if (viewMode == 4) {
                        newDate = this.moveYear(this.date, dir);
                        newViewDate = this.moveYear(this.viewDate, dir);
                    } else if (viewMode == 3) {
                        newDate = this.moveMonth(this.date, dir);
                        newViewDate = this.moveMonth(this.viewDate, dir);
                    } else if (viewMode == 2) {
                        newDate = this.moveDate(this.date, dir * 7);
                        newViewDate = this.moveDate(this.viewDate, dir * 7);
                    } else if (viewMode == 1) {
                        if (this.showMeridian) {
                            newDate = this.moveHour(this.date, dir * 6);
                            newViewDate = this.moveHour(this.viewDate, dir * 6);
                        } else {
                            newDate = this.moveHour(this.date, dir * 4);
                            newViewDate = this.moveHour(this.viewDate, dir * 4);
                        }
                    } else if (viewMode == 0) {
                        newDate = this.moveMinute(this.date, dir * 4);
                        newViewDate = this.moveMinute(this.viewDate, dir * 4);
                    }
                    if (this.dateWithinRange(newDate)) {
                        this.date = newDate;
                        this.viewDate = newViewDate;
                        this.setValue();
                        this.update();
                        e.preventDefault();
                        dateChanged = true;
                    }
                    break;
                case 13: // enter
                    if (this.viewMode != 0) {
                        var oldViewMode = this.viewMode;
                        this.showMode(-1);
                        this.fill();
                        if (oldViewMode == this.viewMode && this.autoclose) {
                            this.hide();
                        }
                    } else {
                        this.fill();
                        if (this.autoclose) {
                            this.hide();
                        }
                    }
                    e.preventDefault();
                    break;
                case 9: // tab
                    this.hide();
                    break;
            }
            if (dateChanged) {
                var element;
                if (this.isInput) {
                    element = this.element;
                } else if (this.component) {
                    element = this.element.find('input');
                }
                if (element) {
                    element.change();
                }
                this.element.trigger({
                    type: 'changeDate',
                    date: this.getDate()
                });
            }
        },

        showMode: function (dir) {
            if (dir) {
                var newViewMode = Math.max(0, Math.min(DPGlobal.modes.length - 1, this.viewMode + dir));
                if (newViewMode >= this.minView && newViewMode <= this.maxView) {
                    this.element.trigger({
                        type:        'changeMode',
                        date:        this.viewDate,
                        oldViewMode: this.viewMode,
                        newViewMode: newViewMode
                    });

                    this.viewMode = newViewMode;
                }
            }
            /*
             vitalets: fixing bug of very special conditions:
             jquery 1.7.1 + webkit + show inline datetimepicker in bootstrap popover.
             Method show() does not set display css correctly and datetimepicker is not shown.
             Changed to .css('display', 'block') solve the problem.
             See https://github.com/vitalets/x-editable/issues/37

             In jquery 1.7.2+ everything works fine.
             */
            //this.picker.find('>div').hide().filter('.datetimepicker-'+DPGlobal.modes[this.viewMode].clsName).show();
            this.picker.find('>div').hide().filter('.datetimepicker-' + DPGlobal.modes[this.viewMode].clsName).css('display', 'block');
            this.updateNavArrows();
        },

        reset: function (e) {
            this._setDate(null, 'date');
        },

        convertViewModeText:  function (viewMode) {
            switch (viewMode) {
                case 4:
                    return 'decade';
                case 3:
                    return 'year';
                case 2:
                    return 'month';
                case 1:
                    return 'day';
                case 0:
                    return 'hour';
            }
        }
    };

    var old = $.fn.datetimepicker;
    $.fn.datetimepicker = function (option) {
        var args = Array.apply(null, arguments);
        args.shift();
        var internal_return;
        this.each(function () {
            var $this = $(this),
                data = $this.data('datetimepicker'),
                options = typeof option == 'object' && option;
            if (!data) {
                $this.data('datetimepicker', (data = new Datetimepicker(this, $.extend({}, $.fn.datetimepicker.defaults, options))));
            }
            if (typeof option == 'string' && typeof data[option] == 'function') {
                internal_return = data[option].apply(data, args);
                if (internal_return !== undefined) {
                    return false;
                }
            }
        });
        if (internal_return !== undefined)
            return internal_return;
        else
            return this;
    };

    $.fn.datetimepicker.defaults = {
    };
    $.fn.datetimepicker.Constructor = Datetimepicker;
    var dates = $.fn.datetimepicker.dates = {
        en: {
            days:        ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'],
            daysShort:   ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
            daysMin:     ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa', 'Su'],
            months:      ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
            monthsShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
            meridiem:    ['am', 'pm'],
            suffix:      ['st', 'nd', 'rd', 'th'],
            today:       'Today',
            clear:       'Clear'
        }
    };

    var DPGlobal = {
        modes:            [
            {
                clsName: 'minutes',
                navFnc:  'Hours',
                navStep: 1
            },
            {
                clsName: 'hours',
                navFnc:  'Date',
                navStep: 1
            },
            {
                clsName: 'days',
                navFnc:  'Month',
                navStep: 1
            },
            {
                clsName: 'months',
                navFnc:  'FullYear',
                navStep: 1
            },
            {
                clsName: 'years',
                navFnc:  'FullYear',
                navStep: 10
            }
        ],
        isLeapYear:       function (year) {
            return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0))
        },
        getDaysInMonth:   function (year, month) {
            return [31, (DPGlobal.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month]
        },
        getDefaultFormat: function (type, field) {
            if (type == 'standard') {
                if (field == 'input')
                    return 'yyyy-mm-dd hh:ii';
                else
                    return 'yyyy-mm-dd hh:ii:ss';
            } else if (type == 'php') {
                if (field == 'input')
                    return 'Y-m-d H:i';
                else
                    return 'Y-m-d H:i:s';
            } else {
                throw new Error('Invalid format type.');
            }
        },
        validParts: function (type) {
            if (type == 'standard') {
                return /t|hh?|HH?|p|P|z|Z|ii?|ss?|dd?|DD?|mm?|MM?|yy(?:yy)?/g;
            } else if (type == 'php') {
                return /[dDjlNwzFmMnStyYaABgGhHis]/g;
            } else {
                throw new Error('Invalid format type.');
            }
        },
        nonpunctuation: /[^ -\/:-@\[-`{-~\t\n\rTZ]+/g,
        parseFormat: function (format, type) {
            // IE treats \0 as a string end in inputs (truncating the value),
            // so it's a bad format delimiter, anyway
            var separators = format.replace(this.validParts(type), '\0').split('\0'),
                parts = format.match(this.validParts(type));
            if (!separators || !separators.length || !parts || parts.length == 0) {
                throw new Error('Invalid date format.');
            }
            return {separators: separators, parts: parts};
        },
        parseDate: function (date, format, language, type, timezone) {
            if (date instanceof Date) {
                var dateUTC = new Date(date.valueOf() - date.getTimezoneOffset() * 60000);
                dateUTC.setMilliseconds(0);
                return dateUTC;
            }
            if (/^\d{4}\-\d{1,2}\-\d{1,2}$/.test(date)) {
                format = this.parseFormat('yyyy-mm-dd', type);
            }
            if (/^\d{4}\-\d{1,2}\-\d{1,2}[T ]\d{1,2}\:\d{1,2}$/.test(date)) {
                format = this.parseFormat('yyyy-mm-dd hh:ii', type);
            }
            if (/^\d{4}\-\d{1,2}\-\d{1,2}[T ]\d{1,2}\:\d{1,2}\:\d{1,2}[Z]{0,1}$/.test(date)) {
                format = this.parseFormat('yyyy-mm-dd hh:ii:ss', type);
            }
            if (/^[-+]\d+[dmwy]([\s,]+[-+]\d+[dmwy])*$/.test(date)) {
                var part_re = /([-+]\d+)([dmwy])/,
                    parts = date.match(/([-+]\d+)([dmwy])/g),
                    part, dir;
                date = new Date();
                for (var i = 0; i < parts.length; i++) {
                    part = part_re.exec(parts[i]);
                    dir = parseInt(part[1]);
                    switch (part[2]) {
                        case 'd':
                            date.setUTCDate(date.getUTCDate() + dir);
                            break;
                        case 'm':
                            date = Datetimepicker.prototype.moveMonth.call(Datetimepicker.prototype, date, dir);
                            break;
                        case 'w':
                            date.setUTCDate(date.getUTCDate() + dir * 7);
                            break;
                        case 'y':
                            date = Datetimepicker.prototype.moveYear.call(Datetimepicker.prototype, date, dir);
                            break;
                    }
                }
                return UTCDate(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), 0);
            }
            var parts = date && date.toString().match(this.nonpunctuation) || [],
                date = new Date(0, 0, 0, 0, 0, 0, 0),
                parsed = {},
                setters_order = ['hh', 'h', 'ii', 'i', 'ss', 's', 'yyyy', 'yy', 'M', 'MM', 'm', 'mm', 'D', 'DD', 'd', 'dd', 'H', 'HH', 'p', 'P', 'z', 'Z'],
                setters_map = {
                    hh:   function (d, v) {
                        return d.setUTCHours(v);
                    },
                    h:    function (d, v) {
                        return d.setUTCHours(v);
                    },
                    HH:   function (d, v) {
                        return d.setUTCHours(v == 12 ? 0 : v);
                    },
                    H:    function (d, v) {
                        return d.setUTCHours(v == 12 ? 0 : v);
                    },
                    ii:   function (d, v) {
                        return d.setUTCMinutes(v);
                    },
                    i:    function (d, v) {
                        return d.setUTCMinutes(v);
                    },
                    ss:   function (d, v) {
                        return d.setUTCSeconds(v);
                    },
                    s:    function (d, v) {
                        return d.setUTCSeconds(v);
                    },
                    yyyy: function (d, v) {
                        return d.setUTCFullYear(v);
                    },
                    yy:   function (d, v) {
                        return d.setUTCFullYear(2000 + v);
                    },
                    m:    function (d, v) {
                        v -= 1;
                        while (v < 0) v += 12;
                        v %= 12;
                        d.setUTCMonth(v);
                        while (d.getUTCMonth() != v)
                            if (isNaN(d.getUTCMonth()))
                                return d;
                            else
                                d.setUTCDate(d.getUTCDate() - 1);
                        return d;
                    },
                    d:    function (d, v) {
                        return d.setUTCDate(v);
                    },
                    p:    function (d, v) {
                        return d.setUTCHours(v == 1 ? d.getUTCHours() + 12 : d.getUTCHours());
                    },
                    z:    function () {
                        return timezone
                    }
                },
                val, filtered, part;
            setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
            setters_map['dd'] = setters_map['d'];
            setters_map['P'] = setters_map['p'];
            setters_map['Z'] = setters_map['z'];
            date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds());
            if (parts.length == format.parts.length) {
                for (var i = 0, cnt = format.parts.length; i < cnt; i++) {
                    val = parseInt(parts[i], 10);
                    part = format.parts[i];
                    if (isNaN(val)) {
                        switch (part) {
                            case 'MM':
                                filtered = $(dates[language].months).filter(function () {
                                    var m = this.slice(0, parts[i].length),
                                        p = parts[i].slice(0, m.length);
                                    return m == p;
                                });
                                val = $.inArray(filtered[0], dates[language].months) + 1;
                                break;
                            case 'M':
                                filtered = $(dates[language].monthsShort).filter(function () {
                                    var m = this.slice(0, parts[i].length),
                                        p = parts[i].slice(0, m.length);
                                    return m.toLowerCase() == p.toLowerCase();
                                });
                                val = $.inArray(filtered[0], dates[language].monthsShort) + 1;
                                break;
                            case 'p':
                            case 'P':
                                val = $.inArray(parts[i].toLowerCase(), dates[language].meridiem);
                                break;
                            case 'z':
                            case 'Z':
                                timezone;
                                break;

                        }
                    }
                    parsed[part] = val;
                }
                for (var i = 0, s; i < setters_order.length; i++) {
                    s = setters_order[i];
                    if (s in parsed && !isNaN(parsed[s]))
                        setters_map[s](date, parsed[s])
                }
            }
            return date;
        },
        formatDate:       function (date, format, language, type, timezone) {
            if (date == null) {
                return '';
            }
            var val;
            if (type == 'standard') {
                val = {
                    t:    date.getTime(),
                    // year
                    yy:   date.getUTCFullYear().toString().substring(2),
                    yyyy: date.getUTCFullYear(),
                    // month
                    m:    date.getUTCMonth() + 1,
                    M:    dates[language].monthsShort[date.getUTCMonth()],
                    MM:   dates[language].months[date.getUTCMonth()],
                    // day
                    d:    date.getUTCDate(),
                    D:    dates[language].daysShort[date.getUTCDay()],
                    DD:   dates[language].days[date.getUTCDay()],
                    p:    (dates[language].meridiem.length == 2 ? dates[language].meridiem[date.getUTCHours() < 12 ? 0 : 1] : ''),
                    // hour
                    h:    date.getUTCHours(),
                    // minute
                    i:    date.getUTCMinutes(),
                    // second
                    s:    date.getUTCSeconds(),
                    // timezone
                    z:    timezone
                };

                if (dates[language].meridiem.length == 2) {
                    val.H = (val.h % 12 == 0 ? 12 : val.h % 12);
                }
                else {
                    val.H = val.h;
                }
                val.HH = (val.H < 10 ? '0' : '') + val.H;
                val.P = val.p.toUpperCase();
                val.Z = val.z;
                val.hh = (val.h < 10 ? '0' : '') + val.h;
                val.ii = (val.i < 10 ? '0' : '') + val.i;
                val.ss = (val.s < 10 ? '0' : '') + val.s;
                val.dd = (val.d < 10 ? '0' : '') + val.d;
                val.mm = (val.m < 10 ? '0' : '') + val.m;
            } else if (type == 'php') {
                // php format
                val = {
                    // year
                    y: date.getUTCFullYear().toString().substring(2),
                    Y: date.getUTCFullYear(),
                    // month
                    F: dates[language].months[date.getUTCMonth()],
                    M: dates[language].monthsShort[date.getUTCMonth()],
                    n: date.getUTCMonth() + 1,
                    t: DPGlobal.getDaysInMonth(date.getUTCFullYear(), date.getUTCMonth()),
                    // day
                    j: date.getUTCDate(),
                    l: dates[language].days[date.getUTCDay()],
                    D: dates[language].daysShort[date.getUTCDay()],
                    w: date.getUTCDay(), // 0 -> 6
                    N: (date.getUTCDay() == 0 ? 7 : date.getUTCDay()),       // 1 -> 7
                    S: (date.getUTCDate() % 10 <= dates[language].suffix.length ? dates[language].suffix[date.getUTCDate() % 10 - 1] : ''),
                    // hour
                    a: (dates[language].meridiem.length == 2 ? dates[language].meridiem[date.getUTCHours() < 12 ? 0 : 1] : ''),
                    g: (date.getUTCHours() % 12 == 0 ? 12 : date.getUTCHours() % 12),
                    G: date.getUTCHours(),
                    // minute
                    i: date.getUTCMinutes(),
                    // second
                    s: date.getUTCSeconds()
                };
                val.m = (val.n < 10 ? '0' : '') + val.n;
                val.d = (val.j < 10 ? '0' : '') + val.j;
                val.A = val.a.toString().toUpperCase();
                val.h = (val.g < 10 ? '0' : '') + val.g;
                val.H = (val.G < 10 ? '0' : '') + val.G;
                val.i = (val.i < 10 ? '0' : '') + val.i;
                val.s = (val.s < 10 ? '0' : '') + val.s;
            } else {
                throw new Error('Invalid format type.');
            }
            var date = [],
                seps = $.extend([], format.separators);
            for (var i = 0, cnt = format.parts.length; i < cnt; i++) {
                if (seps.length) {
                    date.push(seps.shift());
                }
                date.push(val[format.parts[i]]);
            }
            if (seps.length) {
                date.push(seps.shift());
            }
            return date.join('');
        },
        convertViewMode:  function (viewMode) {
            switch (viewMode) {
                case 4:
                case 'decade':
                    viewMode = 4;
                    break;
                case 3:
                case 'year':
                    viewMode = 3;
                    break;
                case 2:
                case 'month':
                    viewMode = 2;
                    break;
                case 1:
                case 'day':
                    viewMode = 1;
                    break;
                case 0:
                case 'hour':
                    viewMode = 0;
                    break;
            }

            return viewMode;
        },
        headTemplate: '<thead>' +
        '<tr>' +
        '<th class="prev"><i class="{iconType} {leftArrow}"/></th>' +
        '<th colspan="5" class="switch"></th>' +
        '<th class="next"><i class="{iconType} {rightArrow}"/></th>' +
        '</tr>' +
        '</thead>',
        headTemplateV3: '<thead>' +
        '<tr>' +
        '<th class="prev"><span class="{iconType} {leftArrow}"></span> </th>' +
        '<th colspan="5" class="switch"></th>' +
        '<th class="next"><span class="{iconType} {rightArrow}"></span> </th>' +
        '</tr>' +
        '</thead>',
        contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
        footTemplate: '<tfoot>' +
        '<tr><th colspan="7" class="today"></th></tr>' +
        '<tr><th colspan="7" class="clear"></th></tr>' +
        '</tfoot>'
    };
    DPGlobal.template = '<div class="datetimepicker">' +
        '<div class="datetimepicker-minutes">' +
        '<table class=" table-condensed">' +
        DPGlobal.headTemplate +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-hours">' +
        '<table class=" table-condensed">' +
        DPGlobal.headTemplate +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-days">' +
        '<table class=" table-condensed">' +
        DPGlobal.headTemplate +
        '<tbody></tbody>' +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-months">' +
        '<table class="table-condensed">' +
        DPGlobal.headTemplate +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-years">' +
        '<table class="table-condensed">' +
        DPGlobal.headTemplate +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '</div>';
    DPGlobal.templateV3 = '<div class="datetimepicker">' +
        '<div class="datetimepicker-minutes">' +
        '<table class=" table-condensed">' +
        DPGlobal.headTemplateV3 +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-hours">' +
        '<table class=" table-condensed">' +
        DPGlobal.headTemplateV3 +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-days">' +
        '<table class=" table-condensed">' +
        DPGlobal.headTemplateV3 +
        '<tbody></tbody>' +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-months">' +
        '<table class="table-condensed">' +
        DPGlobal.headTemplateV3 +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '<div class="datetimepicker-years">' +
        '<table class="table-condensed">' +
        DPGlobal.headTemplateV3 +
        DPGlobal.contTemplate +
        DPGlobal.footTemplate +
        '</table>' +
        '</div>' +
        '</div>';
    $.fn.datetimepicker.DPGlobal = DPGlobal;

    /* DATETIMEPICKER NO CONFLICT
     * =================== */

    $.fn.datetimepicker.noConflict = function () {
        $.fn.datetimepicker = old;
        return this;
    };

    /* DATETIMEPICKER DATA-API
     * ================== */

    $(document).on(
        'focus.datetimepicker.data-api click.datetimepicker.data-api',
        '[data-provide="datetimepicker"]',
        function (e) {
            var $this = $(this);
            if ($this.data('datetimepicker')) return;
            e.preventDefault();
            // component click requires us to explicitly show it
            $this.datetimepicker('show');
        }
    );
    $(function () {
        $('[data-provide="datetimepicker-inline"]').datetimepicker();
    });

}));