Subversion-Projekte lars-tiefland.ci

/*!
 * Datepicker for Bootstrap v1.5.1 (https://github.com/eternicode/bootstrap-datepicker)
 *
 * Copyright 2012 Stefan Petre
 * Improvements by Andrew Rowls
 * Licensed under the Apache License v2.0 (http://www.apache.org/licenses/LICENSE-2.0)
 */(function(factory){
    if (typeof define === "function" && define.amd) {
        define(["jquery"], factory);
    } else if (typeof exports === 'object') {
        factory(require('jquery'));
    } else {
        factory(jQuery);
    }
}(function($, undefined){

        function UTCDate(){
                return new Date(Date.UTC.apply(Date, arguments));
        }
        function UTCToday(){
                var today = new Date();
                return UTCDate(today.getFullYear(), today.getMonth(), today.getDate());
        }
        function isUTCEquals(date1, date2) {
                return (
                        date1.getUTCFullYear() === date2.getUTCFullYear() &&
                        date1.getUTCMonth() === date2.getUTCMonth() &&
                        date1.getUTCDate() === date2.getUTCDate()
                );
        }
        function alias(method){
                return function(){
                        return this[method].apply(this, arguments);
                };
        }
        function isValidDate(d) {
                return d && !isNaN(d.getTime());
        }

        var DateArray = (function(){
                var extras = {
                        get: function(i){
                                return this.slice(i)[0];
                        },
                        contains: function(d){
                                // Array.indexOf is not cross-browser;
                                // $.inArray doesn't work with Dates
                                var val = d && d.valueOf();
                                for (var i=0, l=this.length; i < l; i++)
                                        if (this[i].valueOf() === val)
                                                return i;
                                return -1;
                        },
                        remove: function(i){
                                this.splice(i,1);
                        },
                        replace: function(new_array){
                                if (!new_array)
                                        return;
                                if (!$.isArray(new_array))
                                        new_array = [new_array];
                                this.clear();
                                this.push.apply(this, new_array);
                        },
                        clear: function(){
                                this.length = 0;
                        },
                        copy: function(){
                                var a = new DateArray();
                                a.replace(this);
                                return a;
                        }
                };

                return function(){
                        var a = [];
                        a.push.apply(a, arguments);
                        $.extend(a, extras);
                        return a;
                };
        })();


        // Picker object

        var Datepicker = function(element, options){
                $(element).data('datepicker', this);
                this._process_options(options);

                this.dates = new DateArray();
                this.viewDate = this.o.defaultViewDate;
                this.focusDate = null;

                this.element = $(element);
                this.isInline = false;
                this.isInput = this.element.is('input');
                this.component = this.element.hasClass('date') ? this.element.find('.add-on, .input-group-addon, .btn') : false;
                this.hasInput = this.component && this.element.find('input').length;
                if (this.component && this.component.length === 0)
                        this.component = false;

                this.picker = $(DPGlobal.template);
                this._buildEvents();
                this._attachEvents();

                if (this.isInline){
                        this.picker.addClass('datepicker-inline').appendTo(this.element);
                }
                else {
                        this.picker.addClass('datepicker-dropdown dropdown-menu');
                }

                if (this.o.rtl){
                        this.picker.addClass('datepicker-rtl');
                }

                this.viewMode = this.o.startView;

                if (this.o.calendarWeeks)
                        this.picker.find('thead .datepicker-title, tfoot .today, tfoot .clear')
                                                .attr('colspan', function(i, val){
                                                        return parseInt(val) + 1;
                                                });

                this._allow_update = false;

                this.setStartDate(this._o.startDate);
                this.setEndDate(this._o.endDate);
                this.setDaysOfWeekDisabled(this.o.daysOfWeekDisabled);
                this.setDaysOfWeekHighlighted(this.o.daysOfWeekHighlighted);
                this.setDatesDisabled(this.o.datesDisabled);

                this.fillDow();
                this.fillMonths();

                this._allow_update = true;

                this.update();
                this.showMode();

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

        Datepicker.prototype = {
                constructor: Datepicker,

                _process_options: function(opts){
                        // Store raw options for reference
                        this._o = $.extend({}, this._o, opts);
                        // Processed options
                        var o = this.o = $.extend({}, this._o);

                        // Check if "de-DE" style date is available, if not language should
                        // fallback to 2 letter code eg "de"
                        var lang = o.language;
                        if (!dates[lang]){
                                lang = lang.split('-')[0];
                                if (!dates[lang])
                                        lang = defaults.language;
                        }
                        o.language = lang;

                        switch (o.startView){
                                case 2:
                                case 'decade':
                                        o.startView = 2;
                                        break;
                                case 1:
                                case 'year':
                                        o.startView = 1;
                                        break;
                                default:
                                        o.startView = 0;
                        }

                        switch (o.minViewMode){
                                case 1:
                                case 'months':
                                        o.minViewMode = 1;
                                        break;
                                case 2:
                                case 'years':
                                        o.minViewMode = 2;
                                        break;
                                default:
                                        o.minViewMode = 0;
                        }

                        switch (o.maxViewMode) {
                                case 0:
                                case 'days':
                                        o.maxViewMode = 0;
                                        break;
                                case 1:
                                case 'months':
                                        o.maxViewMode = 1;
                                        break;
                                default:
                                        o.maxViewMode = 2;
                        }

                        o.startView = Math.min(o.startView, o.maxViewMode);
                        o.startView = Math.max(o.startView, o.minViewMode);

                        // true, false, or Number > 0
                        if (o.multidate !== true){
                                o.multidate = Number(o.multidate) || false;
                                if (o.multidate !== false)
                                        o.multidate = Math.max(0, o.multidate);
                        }
                        o.multidateSeparator = String(o.multidateSeparator);

                        o.weekStart %= 7;
                        o.weekEnd = (o.weekStart + 6) % 7;

                        var format = DPGlobal.parseFormat(o.format);
                        if (o.startDate !== -Infinity){
                                if (!!o.startDate){
                                        if (o.startDate instanceof Date)
                                                o.startDate = this._local_to_utc(this._zero_time(o.startDate));
                                        else
                                                o.startDate = DPGlobal.parseDate(o.startDate, format, o.language);
                                }
                                else {
                                        o.startDate = -Infinity;
                                }
                        }
                        if (o.endDate !== Infinity){
                                if (!!o.endDate){
                                        if (o.endDate instanceof Date)
                                                o.endDate = this._local_to_utc(this._zero_time(o.endDate));
                                        else
                                                o.endDate = DPGlobal.parseDate(o.endDate, format, o.language);
                                }
                                else {
                                        o.endDate = Infinity;
                                }
                        }

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

                        o.daysOfWeekHighlighted = o.daysOfWeekHighlighted||[];
                        if (!$.isArray(o.daysOfWeekHighlighted))
                                o.daysOfWeekHighlighted = o.daysOfWeekHighlighted.split(/[,\s]*/);
                        o.daysOfWeekHighlighted = $.map(o.daysOfWeekHighlighted, function(d){
                                return parseInt(d, 10);
                        });

                        o.datesDisabled = o.datesDisabled||[];
                        if (!$.isArray(o.datesDisabled)) {
                                var datesDisabled = [];
                                datesDisabled.push(DPGlobal.parseDate(o.datesDisabled, format, o.language));
                                o.datesDisabled = datesDisabled;
                        }
                        o.datesDisabled = $.map(o.datesDisabled,function(d){
                                return DPGlobal.parseDate(d, format, o.language);
                        });

                        var plc = String(o.orientation).toLowerCase().split(/\s+/g),
                                _plc = o.orientation.toLowerCase();
                        plc = $.grep(plc, function(word){
                                return /^auto|left|right|top|bottom$/.test(word);
                        });
                        o.orientation = {x: 'auto', y: 'auto'};
                        if (!_plc || _plc === 'auto')
                                ; // no action
                        else if (plc.length === 1){
                                switch (plc[0]){
                                        case 'top':
                                        case 'bottom':
                                                o.orientation.y = plc[0];
                                                break;
                                        case 'left':
                                        case 'right':
                                                o.orientation.x = plc[0];
                                                break;
                                }
                        }
                        else {
                                _plc = $.grep(plc, function(word){
                                        return /^left|right$/.test(word);
                                });
                                o.orientation.x = _plc[0] || 'auto';

                                _plc = $.grep(plc, function(word){
                                        return /^top|bottom$/.test(word);
                                });
                                o.orientation.y = _plc[0] || 'auto';
                        }
                        if (o.defaultViewDate) {
                                var year = o.defaultViewDate.year || new Date().getFullYear();
                                var month = o.defaultViewDate.month || 0;
                                var day = o.defaultViewDate.day || 1;
                                o.defaultViewDate = UTCDate(year, month, day);
                        } else {
                                o.defaultViewDate = UTCToday();
                        }
                },
                _events: [],
                _secondaryEvents: [],
                _applyEvents: function(evs){
                        for (var i=0, el, ch, ev; i < evs.length; i++){
                                el = evs[i][0];
                                if (evs[i].length === 2){
                                        ch = undefined;
                                        ev = evs[i][1];
                                }
                                else if (evs[i].length === 3){
                                        ch = evs[i][1];
                                        ev = evs[i][2];
                                }
                                el.on(ev, ch);
                        }
                },
                _unapplyEvents: function(evs){
                        for (var i=0, el, ev, ch; i < evs.length; i++){
                                el = evs[i][0];
                                if (evs[i].length === 2){
                                        ch = undefined;
                                        ev = evs[i][1];
                                }
                                else if (evs[i].length === 3){
                                        ch = evs[i][1];
                                        ev = evs[i][2];
                                }
                                el.off(ev, ch);
                        }
                },
                _buildEvents: function(){
            var events = {
                keyup: $.proxy(function(e){
                    if ($.inArray(e.keyCode, [27, 37, 39, 38, 40, 32, 13, 9]) === -1)
                        this.update();
                }, this),
                keydown: $.proxy(this.keydown, this),
                paste: $.proxy(this.paste, this)
            };

            if (this.o.showOnFocus === true) {
                events.focus = $.proxy(this.show, this);
            }

            if (this.isInput) { // single input
                this._events = [
                    [this.element, events]
                ];
            }
            else if (this.component && this.hasInput) { // component: input + button
                this._events = [
                    // For components that are not readonly, allow keyboard nav
                    [this.element.find('input'), events],
                    [this.component, {
                        click: $.proxy(this.show, this)
                    }]
                ];
            }
                        else if (this.element.is('div')){  // inline datepicker
                                this.isInline = true;
                        }
                        else {
                                this._events = [
                                        [this.element, {
                                                click: $.proxy(this.show, this)
                                        }]
                                ];
                        }
                        this._events.push(
                                // Component: listen for blur on element descendants
                                [this.element, '*', {
                                        blur: $.proxy(function(e){
                                                this._focused_from = e.target;
                                        }, this)
                                }],
                                // Input: listen for blur on element
                                [this.element, {
                                        blur: $.proxy(function(e){
                                                this._focused_from = e.target;
                                        }, this)
                                }]
                        );

                        if (this.o.immediateUpdates) {
                                // Trigger input updates immediately on changed year/month
                                this._events.push([this.element, {
                                        'changeYear changeMonth': $.proxy(function(e){
                                                this.update(e.date);
                                        }, this)
                                }]);
                        }

                        this._secondaryEvents = [
                                [this.picker, {
                                        click: $.proxy(this.click, this)
                                }],
                                [$(window), {
                                        resize: $.proxy(this.place, this)
                                }],
                                [$(document), {
                                        mousedown: $.proxy(function(e){
                                                // Clicked outside the datepicker, hide it
                                                if (!(
                                                        this.element.is(e.target) ||
                                                        this.element.find(e.target).length ||
                                                        this.picker.is(e.target) ||
                                                        this.picker.find(e.target).length ||
                                                        this.picker.hasClass('datepicker-inline')
                                                )){
                                                        this.hide();
                                                }
                                        }, this)
                                }]
                        ];
                },
                _attachEvents: function(){
                        this._detachEvents();
                        this._applyEvents(this._events);
                },
                _detachEvents: function(){
                        this._unapplyEvents(this._events);
                },
                _attachSecondaryEvents: function(){
                        this._detachSecondaryEvents();
                        this._applyEvents(this._secondaryEvents);
                },
                _detachSecondaryEvents: function(){
                        this._unapplyEvents(this._secondaryEvents);
                },
                _trigger: function(event, altdate){
                        var date = altdate || this.dates.get(-1),
                                local_date = this._utc_to_local(date);

                        this.element.trigger({
                                type: event,
                                date: local_date,
                                dates: $.map(this.dates, this._utc_to_local),
                                format: $.proxy(function(ix, format){
                                        if (arguments.length === 0){
                                                ix = this.dates.length - 1;
                                                format = this.o.format;
                                        }
                                        else if (typeof ix === 'string'){
                                                format = ix;
                                                ix = this.dates.length - 1;
                                        }
                                        format = format || this.o.format;
                                        var date = this.dates.get(ix);
                                        return DPGlobal.formatDate(date, format, this.o.language);
                                }, this)
                        });
                },

                show: function(){
      var element = this.component ? this.element.find('input') : this.element;
                        if (element.attr('readonly') && this.o.enableOnReadonly === false)
                                return;
                        if (!this.isInline)
                                this.picker.appendTo(this.o.container);
                        this.place();
                        this.picker.show();
                        this._attachSecondaryEvents();
                        this._trigger('show');
                        if ((window.navigator.msMaxTouchPoints || 'ontouchstart' in document) && this.o.disableTouchKeyboard) {
                                $(this.element).blur();
                        }
                        return this;
                },

                hide: function(){
                        if (this.isInline)
                                return this;
                        if (!this.picker.is(':visible'))
                                return this;
                        this.focusDate = null;
                        this.picker.hide().detach();
                        this._detachSecondaryEvents();
                        this.viewMode = this.o.startView;
                        this.showMode();

                        if (
                                this.o.forceParse &&
                                (
                                        this.isInput && this.element.val() ||
                                        this.hasInput && this.element.find('input').val()
                                )
                        )
                                this.setValue();
                        this._trigger('hide');
                        return this;
                },

                remove: function(){
                        this.hide();
                        this._detachEvents();
                        this._detachSecondaryEvents();
                        this.picker.remove();
                        delete this.element.data().datepicker;
                        if (!this.isInput){
                                delete this.element.data().date;
                        }
                        return this;
                },

                paste: function(evt){
                        var dateString;
                        if (evt.originalEvent.clipboardData && evt.originalEvent.clipboardData.types
                                && $.inArray('text/plain', evt.originalEvent.clipboardData.types) !== -1) {
                                dateString = evt.originalEvent.clipboardData.getData('text/plain');
                        }
                        else if (window.clipboardData) {
                                dateString = window.clipboardData.getData('Text');
                        }
                        else {
                                return;
                        }
                        this.setDate(dateString);
                        this.update();
                        evt.preventDefault();
                },

                _utc_to_local: function(utc){
                        return utc && new Date(utc.getTime() + (utc.getTimezoneOffset()*60000));
                },
                _local_to_utc: function(local){
                        return local && new Date(local.getTime() - (local.getTimezoneOffset()*60000));
                },
                _zero_time: function(local){
                        return local && new Date(local.getFullYear(), local.getMonth(), local.getDate());
                },
                _zero_utc_time: function(utc){
                        return utc && new Date(Date.UTC(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate()));
                },

                getDates: function(){
                        return $.map(this.dates, this._utc_to_local);
                },

                getUTCDates: function(){
                        return $.map(this.dates, function(d){
                                return new Date(d);
                        });
                },

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

                getUTCDate: function(){
                        var selected_date = this.dates.get(-1);
                        if (typeof selected_date !== 'undefined') {
                                return new Date(selected_date);
                        } else {
                                return null;
                        }
                },

                clearDates: function(){
                        var element;
                        if (this.isInput) {
                                element = this.element;
                        } else if (this.component) {
                                element = this.element.find('input');
                        }

                        if (element) {
                                element.val('');
                        }

                        this.update();
                        this._trigger('changeDate');

                        if (this.o.autoclose) {
                                this.hide();
                        }
                },
                setDates: function(){
                        var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
                        this.update.apply(this, args);
                        this._trigger('changeDate');
                        this.setValue();
                        return this;
                },

                setUTCDates: function(){
                        var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
                        this.update.apply(this, $.map(args, this._utc_to_local));
                        this._trigger('changeDate');
                        this.setValue();
                        return this;
                },

                setDate: alias('setDates'),
                setUTCDate: alias('setUTCDates'),

                setValue: function(){
                        var formatted = this.getFormattedDate();
                        if (!this.isInput){
                                if (this.component){
                                        this.element.find('input').val(formatted);
                                }
                        }
                        else {
                                this.element.val(formatted);
                        }
                        return this;
                },

                getFormattedDate: function(format){
                        if (format === undefined)
                                format = this.o.format;

                        var lang = this.o.language;
                        return $.map(this.dates, function(d){
                                return DPGlobal.formatDate(d, format, lang);
                        }).join(this.o.multidateSeparator);
                },

                setStartDate: function(startDate){
                        this._process_options({startDate: startDate});
                        this.update();
                        this.updateNavArrows();
                        return this;
                },

                setEndDate: function(endDate){
                        this._process_options({endDate: endDate});
                        this.update();
                        this.updateNavArrows();
                        return this;
                },

                setDaysOfWeekDisabled: function(daysOfWeekDisabled){
                        this._process_options({daysOfWeekDisabled: daysOfWeekDisabled});
                        this.update();
                        this.updateNavArrows();
                        return this;
                },

                setDaysOfWeekHighlighted: function(daysOfWeekHighlighted){
                        this._process_options({daysOfWeekHighlighted: daysOfWeekHighlighted});
                        this.update();
                        return this;
                },

                setDatesDisabled: function(datesDisabled){
                        this._process_options({datesDisabled: datesDisabled});
                        this.update();
                        this.updateNavArrows();
                },

                place: function(){
                        if (this.isInline)
                                return this;
                        var calendarWidth = this.picker.outerWidth(),
                                calendarHeight = this.picker.outerHeight(),
                                visualPadding = 10,
                                container = $(this.o.container),
                                windowWidth = container.width(),
                                scrollTop = this.o.container === 'body' ? $(document).scrollTop() : container.scrollTop(),
                                appendOffset = container.offset();

                        var parentsZindex = [];
                        this.element.parents().each(function(){
                                var itemZIndex = $(this).css('z-index');
                                if (itemZIndex !== 'auto' && itemZIndex !== 0) parentsZindex.push(parseInt(itemZIndex));
                        });
                        var zIndex = Math.max.apply(Math, parentsZindex) + this.o.zIndexOffset;
                        var offset = this.component ? this.component.parent().offset() : this.element.offset();
                        var height = this.component ? this.component.outerHeight(true) : this.element.outerHeight(false);
                        var width = this.component ? this.component.outerWidth(true) : this.element.outerWidth(false);
                        var left = offset.left - appendOffset.left,
                                top = offset.top - appendOffset.top;

                        if (this.o.container !== 'body') {
                                top += scrollTop;
                        }

                        this.picker.removeClass(
                                'datepicker-orient-top datepicker-orient-bottom '+
                                'datepicker-orient-right datepicker-orient-left'
                        );

                        if (this.o.orientation.x !== 'auto'){
                                this.picker.addClass('datepicker-orient-' + this.o.orientation.x);
                                if (this.o.orientation.x === 'right')
                                        left -= calendarWidth - width;
                        }
                        // auto x orientation is best-placement: if it crosses a window
                        // edge, fudge it sideways
                        else {
                                if (offset.left < 0) {
                                        // component is outside the window on the left side. Move it into visible range
                                        this.picker.addClass('datepicker-orient-left');
                                        left -= offset.left - visualPadding;
                                } else if (left + calendarWidth > windowWidth) {
                                        // the calendar passes the widow right edge. Align it to component right side
                                        this.picker.addClass('datepicker-orient-right');
                                        left += width - calendarWidth;
                                } else {
                                        // Default to left
                                        this.picker.addClass('datepicker-orient-left');
                                }
                        }

                        // auto y orientation is best-situation: top or bottom, no fudging,
                        // decision based on which shows more of the calendar
                        var yorient = this.o.orientation.y,
                                top_overflow;
                        if (yorient === 'auto'){
                                top_overflow = -scrollTop + top - calendarHeight;
                                yorient = top_overflow < 0 ? 'bottom' : 'top';
                        }

                        this.picker.addClass('datepicker-orient-' + yorient);
                        if (yorient === 'top')
                                top -= calendarHeight + parseInt(this.picker.css('padding-top'));
                        else
                                top += height;

                        if (this.o.rtl) {
                                var right = windowWidth - (left + width);
                                this.picker.css({
                                        top: top,
                                        right: right,
                                        zIndex: zIndex
                                });
                        } else {
                                this.picker.css({
                                        top: top,
                                        left: left,
                                        zIndex: zIndex
                                });
                        }
                        return this;
                },

                _allow_update: true,
                update: function(){
                        if (!this._allow_update)
                                return this;

                        var oldDates = this.dates.copy(),
                                dates = [],
                                fromArgs = false;
                        if (arguments.length){
                                $.each(arguments, $.proxy(function(i, date){
                                        if (date instanceof Date)
                                                date = this._local_to_utc(date);
                                        dates.push(date);
                                }, this));
                                fromArgs = true;
                        }
                        else {
                                dates = this.isInput
                                                ? this.element.val()
                                                : this.element.data('date') || this.element.find('input').val();
                                if (dates && this.o.multidate)
                                        dates = dates.split(this.o.multidateSeparator);
                                else
                                        dates = [dates];
                                delete this.element.data().date;
                        }

                        dates = $.map(dates, $.proxy(function(date){
                                return DPGlobal.parseDate(date, this.o.format, this.o.language);
                        }, this));
                        dates = $.grep(dates, $.proxy(function(date){
                                return (
                                        !this.dateWithinRange(date) ||
                                        !date
                                );
                        }, this), true);
                        this.dates.replace(dates);

                        if (this.dates.length)
                                this.viewDate = new Date(this.dates.get(-1));
                        else if (this.viewDate < this.o.startDate)
                                this.viewDate = new Date(this.o.startDate);
                        else if (this.viewDate > this.o.endDate)
                                this.viewDate = new Date(this.o.endDate);
                        else
                                this.viewDate = this.o.defaultViewDate;

                        if (fromArgs){
                                // setting date by clicking
                                this.setValue();
                        }
                        else if (dates.length){
                                // setting date by typing
                                if (String(oldDates) !== String(this.dates))
                                        this._trigger('changeDate');
                        }
                        if (!this.dates.length && oldDates.length)
                                this._trigger('clearDate');

                        this.fill();
                        this.element.change();
                        return this;
                },

                fillDow: function(){
                        var dowCnt = this.o.weekStart,
                                html = '<tr>';
                        if (this.o.calendarWeeks){
                                this.picker.find('.datepicker-days .datepicker-switch')
                                        .attr('colspan', function(i, val){
                                                return parseInt(val) + 1;
                                        });
                                html += '<th class="cw">&#160;</th>';
                        }
                        while (dowCnt < this.o.weekStart + 7){
                                html += '<th class="dow">'+dates[this.o.language].daysMin[(dowCnt++)%7]+'</th>';
                        }
                        html += '</tr>';
                        this.picker.find('.datepicker-days thead').append(html);
                },

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

                setRange: function(range){
                        if (!range || !range.length)
                                delete this.range;
                        else
                                this.range = $.map(range, function(d){
                                        return d.valueOf();
                                });
                        this.fill();
                },

                getClassNames: function(date){
                        var cls = [],
                                year = this.viewDate.getUTCFullYear(),
                                month = this.viewDate.getUTCMonth(),
                                today = new Date();
                        if (date.getUTCFullYear() < year || (date.getUTCFullYear() === year && date.getUTCMonth() < month)){
                                cls.push('old');
                        }
                        else if (date.getUTCFullYear() > year || (date.getUTCFullYear() === year && date.getUTCMonth() > month)){
                                cls.push('new');
                        }
                        if (this.focusDate && date.valueOf() === this.focusDate.valueOf())
                                cls.push('focused');
                        // Compare internal UTC date with local today, not UTC today
                        if (this.o.todayHighlight &&
                                date.getUTCFullYear() === today.getFullYear() &&
                                date.getUTCMonth() === today.getMonth() &&
                                date.getUTCDate() === today.getDate()){
                                cls.push('today');
                        }
                        if (this.dates.contains(date) !== -1)
                                cls.push('active');
                        if (!this.dateWithinRange(date) || this.dateIsDisabled(date)){
                                cls.push('disabled');
                        }
                        if ($.inArray(date.getUTCDay(), this.o.daysOfWeekHighlighted) !== -1){
                                cls.push('highlighted');
                        }

                        if (this.range){
                                if (date > this.range[0] && date < this.range[this.range.length-1]){
                                        cls.push('range');
                                }
                                if ($.inArray(date.valueOf(), this.range) !== -1){
                                        cls.push('selected');
                                }
                                if (date.valueOf() === this.range[0]){
          cls.push('range-start');
        }
        if (date.valueOf() === this.range[this.range.length-1]){
          cls.push('range-end');
        }
                        }
                        return cls;
                },

                fill: function(){
                        var d = new Date(this.viewDate),
                                year = d.getUTCFullYear(),
                                month = d.getUTCMonth(),
                                startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
                                startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
                                endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
                                endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
                                todaytxt = dates[this.o.language].today || dates['en'].today || '',
                                cleartxt = dates[this.o.language].clear || dates['en'].clear || '',
                                titleFormat = dates[this.o.language].titleFormat || dates['en'].titleFormat,
                                tooltip;
                        if (isNaN(year) || isNaN(month))
                                return;
                        this.picker.find('.datepicker-days thead .datepicker-switch')
                                                .text(DPGlobal.formatDate(new UTCDate(year, month), titleFormat, this.o.language));
                        this.picker.find('tfoot .today')
                                                .text(todaytxt)
                                                .toggle(this.o.todayBtn !== false);
                        this.picker.find('tfoot .clear')
                                                .text(cleartxt)
                                                .toggle(this.o.clearBtn !== false);
                        this.picker.find('thead .datepicker-title')
                                                .text(this.o.title)
                                                .toggle(this.o.title !== '');
                        this.updateNavArrows();
                        this.fillMonths();
                        var prevMonth = UTCDate(year, month-1, 28),
                                day = DPGlobal.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
                        prevMonth.setUTCDate(day);
                        prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.o.weekStart + 7)%7);
                        var nextMonth = new Date(prevMonth);
                        if (prevMonth.getUTCFullYear() < 100){
        nextMonth.setUTCFullYear(prevMonth.getUTCFullYear());
      }
                        nextMonth.setUTCDate(nextMonth.getUTCDate() + 42);
                        nextMonth = nextMonth.valueOf();
                        var html = [];
                        var clsName;
                        while (prevMonth.valueOf() < nextMonth){
                                if (prevMonth.getUTCDay() === this.o.weekStart){
                                        html.push('<tr>');
                                        if (this.o.calendarWeeks){
                                                // ISO 8601: First week contains first thursday.
                                                // ISO also states week starts on Monday, but we can be more abstract here.
                                                var
                                                        // Start of current week: based on weekstart/current date
                                                        ws = new Date(+prevMonth + (this.o.weekStart - prevMonth.getUTCDay() - 7) % 7 * 864e5),
                                                        // Thursday of this week
                                                        th = new Date(Number(ws) + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
                                                        // First Thursday of year, year from thursday
                                                        yth = new Date(Number(yth = UTCDate(th.getUTCFullYear(), 0, 1)) + (7 + 4 - yth.getUTCDay())%7*864e5),
                                                        // Calendar week: ms between thursdays, div ms per day, div 7 days
                                                        calWeek =  (th - yth) / 864e5 / 7 + 1;
                                                html.push('<td class="cw">'+ calWeek +'</td>');

                                        }
                                }
                                clsName = this.getClassNames(prevMonth);
                                clsName.push('day');

                                if (this.o.beforeShowDay !== $.noop){
                                        var before = this.o.beforeShowDay(this._utc_to_local(prevMonth));
                                        if (before === undefined)
                                                before = {};
                                        else if (typeof(before) === 'boolean')
                                                before = {enabled: before};
                                        else if (typeof(before) === 'string')
                                                before = {classes: before};
                                        if (before.enabled === false)
                                                clsName.push('disabled');
                                        if (before.classes)
                                                clsName = clsName.concat(before.classes.split(/\s+/));
                                        if (before.tooltip)
                                                tooltip = before.tooltip;
                                }

                                clsName = $.unique(clsName);
                                html.push('<td class="'+clsName.join(' ')+'"' + (tooltip ? ' title="'+tooltip+'"' : '') + '>'+prevMonth.getUTCDate() + '</td>');
                                tooltip = null;
                                if (prevMonth.getUTCDay() === this.o.weekEnd){
                                        html.push('</tr>');
                                }
                                prevMonth.setUTCDate(prevMonth.getUTCDate()+1);
                        }
                        this.picker.find('.datepicker-days tbody').empty().append(html.join(''));

                        var monthsTitle = dates[this.o.language].monthsTitle || dates['en'].monthsTitle || 'Months';
                        var months = this.picker.find('.datepicker-months')
                                                .find('.datepicker-switch')
                                                        .text(this.o.maxViewMode < 2 ? monthsTitle : year)
                                                        .end()
                                                .find('span').removeClass('active');

                        $.each(this.dates, function(i, d){
                                if (d.getUTCFullYear() === year)
                                        months.eq(d.getUTCMonth()).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+1).addClass('disabled');
                        }

                        if (this.o.beforeShowMonth !== $.noop){
                                var that = this;
                                $.each(months, function(i, month){
                                        if (!$(month).hasClass('disabled')) {
                                                var moDate = new Date(year, i, 1);
                                                var before = that.o.beforeShowMonth(moDate);
                                                if (before === false)
                                                        $(month).addClass('disabled');
                                        }
                                });
                        }

                        html = '';
                        year = parseInt(year/10, 10) * 10;
                        var yearCont = this.picker.find('.datepicker-years')
                                                                .find('.datepicker-switch')
                                                                        .text(year + '-' + (year + 9))
                                                                        .end()
                                                                .find('td');
                        year -= 1;
                        var years = $.map(this.dates, function(d){
                                        return d.getUTCFullYear();
                                }),
                                classes;
                        for (var i = -1; i < 11; i++){
                                classes = ['year'];
                                tooltip = null;

                                if (i === -1)
                                        classes.push('old');
                                else if (i === 10)
                                        classes.push('new');
                                if ($.inArray(year, years) !== -1)
                                        classes.push('active');
                                if (year < startYear || year > endYear)
                                        classes.push('disabled');

                                if (this.o.beforeShowYear !== $.noop) {
                                        var yrBefore = this.o.beforeShowYear(new Date(year, 0, 1));
                                        if (yrBefore === undefined)
                                                yrBefore = {};
                                        else if (typeof(yrBefore) === 'boolean')
                                                yrBefore = {enabled: yrBefore};
                                        else if (typeof(yrBefore) === 'string')
                                                yrBefore = {classes: yrBefore};
                                        if (yrBefore.enabled === false)
                                                classes.push('disabled');
                                        if (yrBefore.classes)
                                                classes = classes.concat(yrBefore.classes.split(/\s+/));
                                        if (yrBefore.tooltip)
                                                tooltip = yrBefore.tooltip;
                                }

                                html += '<span class="' + classes.join(' ') + '"' + (tooltip ? ' title="'+tooltip+'"' : '') + '>' + year + '</span>';
                                year += 1;
                        }
                        yearCont.html(html);
                },

                updateNavArrows: function(){
                        if (!this._allow_update)
                                return;

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

                click: function(e){
                        e.preventDefault();
                        e.stopPropagation();
                        var target = $(e.target).closest('span, td, th'),
                                year, month, day;
                        if (target.length === 1){
                                switch (target[0].nodeName.toLowerCase()){
                                        case 'th':
                                                switch (target[0].className){
                                                        case 'datepicker-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.moveMonth(this.viewDate, dir);
                                                                                this._trigger('changeMonth', this.viewDate);
                                                                                break;
                                                                        case 1:
                                                                        case 2:
                                                                                this.viewDate = this.moveYear(this.viewDate, dir);
                                                                                if (this.viewMode === 1)
                                                                                        this._trigger('changeYear', this.viewDate);
                                                                                break;
                                                                }
                                                                this.fill();
                                                                break;
                                                        case 'today':
                                                                this.showMode(-2);
                                                                var which = this.o.todayBtn === 'linked' ? null : 'view';
                                                                this._setDate(UTCToday(), which);
                                                                break;
                                                        case 'clear':
                                                                this.clearDates();
                                                                break;
                                                }
                                                break;
                                        case 'span':
                                                if (!target.hasClass('disabled')){
                                                        this.viewDate.setUTCDate(1);
                                                        if (target.hasClass('month')){
                                                                day = 1;
                                                                month = target.parent().find('span').index(target);
                                                                year = this.viewDate.getUTCFullYear();
                                                                this.viewDate.setUTCMonth(month);
                                                                this._trigger('changeMonth', this.viewDate);
                                                                if (this.o.minViewMode === 1){
                                                                        this._setDate(UTCDate(year, month, day));
                                                                        this.showMode();
                                                                } else {
                                                                        this.showMode(-1);
                                                                }
                                                        }
                                                        else {
                                                                day = 1;
                                                                month = 0;
                                                                year = parseInt(target.text(), 10)||0;
                                                                this.viewDate.setUTCFullYear(year);
                                                                this._trigger('changeYear', this.viewDate);
                                                                if (this.o.minViewMode === 2){
                                                                        this._setDate(UTCDate(year, month, day));
                                                                }
                                                                this.showMode(-1);
                                                        }
                                                        this.fill();
                                                }
                                                break;
                                        case 'td':
                                                if (target.hasClass('day') && !target.hasClass('disabled')){
                                                        day = parseInt(target.text(), 10)||1;
                                                        year = this.viewDate.getUTCFullYear();
                                                        month = this.viewDate.getUTCMonth();
                                                        if (target.hasClass('old')){
                                                                if (month === 0){
                                                                        month = 11;
                                                                        year -= 1;
                                                                }
                                                                else {
                                                                        month -= 1;
                                                                }
                                                        }
                                                        else if (target.hasClass('new')){
                                                                if (month === 11){
                                                                        month = 0;
                                                                        year += 1;
                                                                }
                                                                else {
                                                                        month += 1;
                                                                }
                                                        }
                                                        this._setDate(UTCDate(year, month, day));
                                                }
                                                break;
                                }
                        }
                        if (this.picker.is(':visible') && this._focused_from){
                                $(this._focused_from).focus();
                        }
                        delete this._focused_from;
                },

                _toggle_multidate: function(date){
                        var ix = this.dates.contains(date);
                        if (!date){
                                this.dates.clear();
                        }

                        if (ix !== -1){
                                if (this.o.multidate === true || this.o.multidate > 1 || this.o.toggleActive){
                                        this.dates.remove(ix);
                                }
                        } else if (this.o.multidate === false) {
                                this.dates.clear();
                                this.dates.push(date);
                        }
                        else {
                                this.dates.push(date);
                        }

                        if (typeof this.o.multidate === 'number')
                                while (this.dates.length > this.o.multidate)
                                        this.dates.remove(0);
                },

                _setDate: function(date, which){
                        if (!which || which === 'date')
                                this._toggle_multidate(date && new Date(date));
                        if (!which || which === 'view')
                                this.viewDate = date && new Date(date);

                        this.fill();
                        this.setValue();
                        if (!which || which !== 'view') {
                                this._trigger('changeDate');
                        }
                        var element;
                        if (this.isInput){
                                element = this.element;
                        }
                        else if (this.component){
                                element = this.element.find('input');
                        }
                        if (element){
                                element.change();
                        }
                        if (this.o.autoclose && (!which || which === 'date')){
                                this.hide();
                        }
                },

                moveDay: function(date, dir){
                        var newDate = new Date(date);
                        newDate.setUTCDate(date.getUTCDate() + dir);

                        return newDate;
                },

                moveWeek: function(date, dir){
                        return this.moveDay(date, dir * 7);
                },

                moveMonth: function(date, dir){
                        if (!isValidDate(date))
                                return this.o.defaultViewDate;
                        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);
                },

                moveAvailableDate: function(date, dir, fn){
                        do {
                                date = this[fn](date, dir);

                                if (!this.dateWithinRange(date))
                                        return false;

                                fn = 'moveDay';
                        }
                        while (this.dateIsDisabled(date));

                        return date;
                },

                weekOfDateIsDisabled: function(date){
                        return $.inArray(date.getUTCDay(), this.o.daysOfWeekDisabled) !== -1;
                },

                dateIsDisabled: function(date){
                        return (
                                this.weekOfDateIsDisabled(date) ||
                                $.grep(this.o.datesDisabled, function(d){
                                        return isUTCEquals(date, d);
                                }).length > 0
                        );
                },

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

                keydown: function(e){
                        if (!this.picker.is(':visible')){
                                if (e.keyCode === 40 || e.keyCode === 27) { // allow down to re-show picker
                                        this.show();
                                        e.stopPropagation();
        }
                                return;
                        }
                        var dateChanged = false,
                                dir, newViewDate,
                                focusDate = this.focusDate || this.viewDate;
                        switch (e.keyCode){
                                case 27: // escape
                                        if (this.focusDate){
                                                this.focusDate = null;
                                                this.viewDate = this.dates.get(-1) || this.viewDate;
                                                this.fill();
                                        }
                                        else
                                                this.hide();
                                        e.preventDefault();
                                        e.stopPropagation();
                                        break;
                                case 37: // left
                                case 38: // up
                                case 39: // right
                                case 40: // down
                                        if (!this.o.keyboardNavigation || this.o.daysOfWeekDisabled.length === 7)
                                                break;
                                        dir = e.keyCode === 37 || e.keyCode === 38 ? -1 : 1;
                                        if (e.ctrlKey){
                                                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveYear');

                                                if (newViewDate)
                                                        this._trigger('changeYear', this.viewDate);
                                        }
                                        else if (e.shiftKey){
                                                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveMonth');

                                                if (newViewDate)
                                                        this._trigger('changeMonth', this.viewDate);
                                        }
                                        else if (e.keyCode === 37 || e.keyCode === 39){
                                                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveDay');
                                        }
                                        else if (!this.weekOfDateIsDisabled(focusDate)){
                                                newViewDate = this.moveAvailableDate(focusDate, dir, 'moveWeek');
                                        }
                                        if (newViewDate){
                                                this.focusDate = this.viewDate = newViewDate;
                                                this.setValue();
                                                this.fill();
                                                e.preventDefault();
                                        }
                                        break;
                                case 13: // enter
                                        if (!this.o.forceParse)
                                                break;
                                        focusDate = this.focusDate || this.dates.get(-1) || this.viewDate;
                                        if (this.o.keyboardNavigation) {
                                                this._toggle_multidate(focusDate);
                                                dateChanged = true;
                                        }
                                        this.focusDate = null;
                                        this.viewDate = this.dates.get(-1) || this.viewDate;
                                        this.setValue();
                                        this.fill();
                                        if (this.picker.is(':visible')){
                                                e.preventDefault();
                                                e.stopPropagation();
                                                if (this.o.autoclose)
                                                        this.hide();
                                        }
                                        break;
                                case 9: // tab
                                        this.focusDate = null;
                                        this.viewDate = this.dates.get(-1) || this.viewDate;
                                        this.fill();
                                        this.hide();
                                        break;
                        }
                        if (dateChanged){
                                if (this.dates.length)
                                        this._trigger('changeDate');
                                else
                                        this._trigger('clearDate');
                                var element;
                                if (this.isInput){
                                        element = this.element;
                                }
                                else if (this.component){
                                        element = this.element.find('input');
                                }
                                if (element){
                                        element.change();
                                }
                        }
                },

                showMode: function(dir){
                        if (dir){
                                this.viewMode = Math.max(this.o.minViewMode, Math.min(this.o.maxViewMode, this.viewMode + dir));
                        }
                        this.picker
                                .children('div')
                                .hide()
                                .filter('.datepicker-' + DPGlobal.modes[this.viewMode].clsName)
                                        .show();
                        this.updateNavArrows();
                }
        };

        var DateRangePicker = function(element, options){
                $(element).data('datepicker', this);
                this.element = $(element);
                this.inputs = $.map(options.inputs, function(i){
                        return i.jquery ? i[0] : i;
                });
                delete options.inputs;

                datepickerPlugin.call($(this.inputs), options)
                        .on('changeDate', $.proxy(this.dateUpdated, this));

                this.pickers = $.map(this.inputs, function(i){
                        return $(i).data('datepicker');
                });
                this.updateDates();
        };
        DateRangePicker.prototype = {
                updateDates: function(){
                        this.dates = $.map(this.pickers, function(i){
                                return i.getUTCDate();
                        });
                        this.updateRanges();
                },
                updateRanges: function(){
                        var range = $.map(this.dates, function(d){
                                return d.valueOf();
                        });
                        $.each(this.pickers, function(i, p){
                                p.setRange(range);
                        });
                },
                dateUpdated: function(e){
                        // `this.updating` is a workaround for preventing infinite recursion
                        // between `changeDate` triggering and `setUTCDate` calling.  Until
                        // there is a better mechanism.
                        if (this.updating)
                                return;
                        this.updating = true;

                        var dp = $(e.target).data('datepicker');

                        if (typeof(dp) === "undefined") {
                                return;
                        }

                        var new_date = dp.getUTCDate(),
                                i = $.inArray(e.target, this.inputs),
                                j = i - 1,
                                k = i + 1,
                                l = this.inputs.length;
                        if (i === -1)
                                return;

                        $.each(this.pickers, function(i, p){
                                if (!p.getUTCDate())
                                        p.setUTCDate(new_date);
                        });

                        if (new_date < this.dates[j]){
                                // Date being moved earlier/left
                                while (j >= 0 && new_date < this.dates[j]){
                                        this.pickers[j--].setUTCDate(new_date);
                                }
                        }
                        else if (new_date > this.dates[k]){
                                // Date being moved later/right
                                while (k < l && new_date > this.dates[k]){
                                        this.pickers[k++].setUTCDate(new_date);
                                }
                        }
                        this.updateDates();

                        delete this.updating;
                },
                remove: function(){
                        $.map(this.pickers, function(p){ p.remove(); });
                        delete this.element.data().datepicker;
                }
        };

        function opts_from_el(el, prefix){
                // Derive options from element data-attrs
                var data = $(el).data(),
                        out = {}, inkey,
                        replace = new RegExp('^' + prefix.toLowerCase() + '([A-Z])');
                prefix = new RegExp('^' + prefix.toLowerCase());
                function re_lower(_,a){
                        return a.toLowerCase();
                }
                for (var key in data)
                        if (prefix.test(key)){
                                inkey = key.replace(replace, re_lower);
                                out[inkey] = data[key];
                        }
                return out;
        }

        function opts_from_locale(lang){
                // Derive options from locale plugins
                var out = {};
                // Check if "de-DE" style date is available, if not language should
                // fallback to 2 letter code eg "de"
                if (!dates[lang]){
                        lang = lang.split('-')[0];
                        if (!dates[lang])
                                return;
                }
                var d = dates[lang];
                $.each(locale_opts, function(i,k){
                        if (k in d)
                                out[k] = d[k];
                });
                return out;
        }

        var old = $.fn.datepicker;
        var datepickerPlugin = function(option){
                var args = Array.apply(null, arguments);
                args.shift();
                var internal_return;
                this.each(function(){
                        var $this = $(this),
                                data = $this.data('datepicker'),
                                options = typeof option === 'object' && option;
                        if (!data){
                                var elopts = opts_from_el(this, 'date'),
                                        // Preliminary otions
                                        xopts = $.extend({}, defaults, elopts, options),
                                        locopts = opts_from_locale(xopts.language),
                                        // Options priority: js args, data-attrs, locales, defaults
                                        opts = $.extend({}, defaults, locopts, elopts, options);
                                if ($this.hasClass('input-daterange') || opts.inputs){
                                        $.extend(opts, {
                                                inputs: opts.inputs || $this.find('input').toArray()
                                        });
                                        data = new DateRangePicker(this, opts);
                                }
                                else {
                                        data = new Datepicker(this, opts);
                                }
                                $this.data('datepicker', data);
                        }
                        if (typeof option === 'string' && typeof data[option] === 'function'){
                                internal_return = data[option].apply(data, args);
                        }
                });

                if (
                        internal_return === undefined ||
                        internal_return instanceof Datepicker ||
                        internal_return instanceof DateRangePicker
                )
                        return this;

                if (this.length > 1)
                        throw new Error('Using only allowed for the collection of a single element (' + option + ' function)');
                else
                        return internal_return;
        };
        $.fn.datepicker = datepickerPlugin;

        var defaults = $.fn.datepicker.defaults = {
                autoclose: false,
                beforeShowDay: $.noop,
                beforeShowMonth: $.noop,
                beforeShowYear: $.noop,
                calendarWeeks: false,
                clearBtn: false,
                toggleActive: false,
                daysOfWeekDisabled: [],
                daysOfWeekHighlighted: [],
                datesDisabled: [],
                endDate: Infinity,
                forceParse: true,
                format: 'mm/dd/yyyy',
                keyboardNavigation: true,
                language: 'en',
                minViewMode: 0,
                maxViewMode: 2,
                multidate: false,
                multidateSeparator: ',',
                orientation: "auto",
                rtl: false,
                startDate: -Infinity,
                startView: 0,
                todayBtn: false,
                todayHighlight: false,
                weekStart: 0,
                disableTouchKeyboard: false,
                enableOnReadonly: true,
                showOnFocus: true,
                zIndexOffset: 10,
                container: 'body',
                immediateUpdates: false,
                title: ''
        };
        var locale_opts = $.fn.datepicker.locale_opts = [
                'format',
                'rtl',
                'weekStart'
        ];
        $.fn.datepicker.Constructor = Datepicker;
        var dates = $.fn.datepicker.dates = {
                en: {
                        days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"],
                        daysShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"],
                        daysMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"],
                        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"],
                        today: "Today",
                        clear: "Clear",
                        titleFormat: "MM yyyy"
                }
        };

        var DPGlobal = {
                modes: [
                        {
                                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];
                },
                validParts: /dd?|DD?|mm?|MM?|yy(?:yy)?/g,
                nonpunctuation: /[^ -\/:-@\[\u3400-\u9fff-`{-~\t\n\r]+/g,
                parseFormat: function(format){
                        if (typeof format.toValue === 'function' && typeof format.toDisplay === 'function')
                return format;
            // 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, '\0').split('\0'),
                                parts = format.match(this.validParts);
                        if (!separators || !separators.length || !parts || parts.length === 0){
                                throw new Error("Invalid date format.");
                        }
                        return {separators: separators, parts: parts};
                },
                parseDate: function(date, format, language){
                        if (!date)
                                return undefined;
                        if (date instanceof Date)
                                return date;
                        if (typeof format === 'string')
                                format = DPGlobal.parseFormat(format);
                        if (format.toValue)
                return format.toValue(date, format, language);
            var part_re = /([\-+]\d+)([dmwy])/,
                                parts = date.match(/([\-+]\d+)([dmwy])/g),
                                fn_map = {
                                        d: 'moveDay',
                                        m: 'moveMonth',
                                        w: 'moveWeek',
                                        y: 'moveYear'
                                },
                                part, dir, i, fn;
                        if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/.test(date)){
                                date = new Date();
                                for (i=0; i < parts.length; i++){
                                        part = part_re.exec(parts[i]);
                                        dir = parseInt(part[1]);
                                        fn = fn_map[part[2]];
                                        date = Datepicker.prototype[fn](date, dir);
                                }
                                return UTCDate(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate());
                        }
                        parts = date && date.match(this.nonpunctuation) || [];
                        date = new Date();
                        var parsed = {},
                                setters_order = ['yyyy', 'yy', 'M', 'MM', 'm', 'mm', 'd', 'dd'],
                                setters_map = {
                                        yyyy: function(d,v){
                                                return d.setUTCFullYear(v);
                                        },
                                        yy: function(d,v){
                                                return d.setUTCFullYear(2000+v);
                                        },
                                        m: function(d,v){
                                                if (isNaN(d))
                                                        return d;
                                                v -= 1;
                                                while (v < 0) v += 12;
                                                v %= 12;
                                                d.setUTCMonth(v);
                                                while (d.getUTCMonth() !== v)
                                                        d.setUTCDate(d.getUTCDate()-1);
                                                return d;
                                        },
                                        d: function(d,v){
                                                return d.setUTCDate(v);
                                        }
                                },
                                val, filtered;
                        setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
                        setters_map['dd'] = setters_map['d'];
                        date = UTCToday();
                        var fparts = format.parts.slice();
                        // Remove noop parts
                        if (parts.length !== fparts.length){
                                fparts = $(fparts).filter(function(i,p){
                                        return $.inArray(p, setters_order) !== -1;
                                }).toArray();
                        }
                        // Process remainder
                        function match_part(){
                                var m = this.slice(0, parts[i].length),
                                        p = parts[i].slice(0, m.length);
                                return m.toLowerCase() === p.toLowerCase();
                        }
                        if (parts.length === fparts.length){
                                var cnt;
                                for (i=0, cnt = fparts.length; i < cnt; i++){
                                        val = parseInt(parts[i], 10);
                                        part = fparts[i];
                                        if (isNaN(val)){
                                                switch (part){
                                                        case 'MM':
                                                                filtered = $(dates[language].months).filter(match_part);
                                                                val = $.inArray(filtered[0], dates[language].months) + 1;
                                                                break;
                                                        case 'M':
                                                                filtered = $(dates[language].monthsShort).filter(match_part);
                                                                val = $.inArray(filtered[0], dates[language].monthsShort) + 1;
                                                                break;
                                                }
                                        }
                                        parsed[part] = val;
                                }
                                var _date, s;
                                for (i=0; i < setters_order.length; i++){
                                        s = setters_order[i];
                                        if (s in parsed && !isNaN(parsed[s])){
                                                _date = new Date(date);
                                                setters_map[s](_date, parsed[s]);
                                                if (!isNaN(_date))
                                                        date = _date;
                                        }
                                }
                        }
                        return date;
                },
                formatDate: function(date, format, language){
                        if (!date)
                                return '';
                        if (typeof format === 'string')
                                format = DPGlobal.parseFormat(format);
                        if (format.toDisplay)
                return format.toDisplay(date, format, language);
            var val = {
                                d: date.getUTCDate(),
                                D: dates[language].daysShort[date.getUTCDay()],
                                DD: dates[language].days[date.getUTCDay()],
                                m: date.getUTCMonth() + 1,
                                M: dates[language].monthsShort[date.getUTCMonth()],
                                MM: dates[language].months[date.getUTCMonth()],
                                yy: date.getUTCFullYear().toString().substring(2),
                                yyyy: date.getUTCFullYear()
                        };
                        val.dd = (val.d < 10 ? '0' : '') + val.d;
                        val.mm = (val.m < 10 ? '0' : '') + val.m;
                        date = [];
                        var 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]]);
                        }
                        return date.join('');
                },
                headTemplate: '<thead>'+
                                      '<tr>'+
                                        '<th colspan="7" class="datepicker-title"></th>'+
                                      '</tr>'+
                                                        '<tr>'+
                                                                '<th class="prev"><i class="fa fa-angle-left"></i></th>'+
                                                                '<th colspan="5" class="datepicker-switch"></th>'+
                                                                '<th class="next"><i class="fa fa-angle-right"></i></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="datepicker">'+
                                                        '<div class="datepicker-days">'+
                                                                '<table class=" table-condensed">'+
                                                                        DPGlobal.headTemplate+
                                                                        '<tbody></tbody>'+
                                                                        DPGlobal.footTemplate+
                                                                '</table>'+
                                                        '</div>'+
                                                        '<div class="datepicker-months">'+
                                                                '<table class="table-condensed">'+
                                                                        DPGlobal.headTemplate+
                                                                        DPGlobal.contTemplate+
                                                                        DPGlobal.footTemplate+
                                                                '</table>'+
                                                        '</div>'+
                                                        '<div class="datepicker-years">'+
                                                                '<table class="table-condensed">'+
                                                                        DPGlobal.headTemplate+
                                                                        DPGlobal.contTemplate+
                                                                        DPGlobal.footTemplate+
                                                                '</table>'+
                                                        '</div>'+
                                                '</div>';

        $.fn.datepicker.DPGlobal = DPGlobal;


        /* DATEPICKER NO CONFLICT
        * =================== */

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

        /* DATEPICKER VERSION
         * =================== */
        $.fn.datepicker.version = '1.5.1';

        /* DATEPICKER DATA-API
        * ================== */

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

}));