/* =========================================================
 * foundation-datepicker.js
 * copyright 2015 peter beno, najlepsiwebdesigner@gmail.com, @benopeter
 * project website http://foundation-datepicker.peterbeno.com
 * ========================================================= */
! function($) {

    function utcdate() {
        return new date(date.utc.apply(date, arguments));
    }

    function utctoday() {
        var today = new date();
        return utcdate(today.getutcfullyear(), today.getutcmonth(), today.getutcdate());
    }

    var datepicker = function(element, options) {
        var that = this;

        this.element = $(element);
        this.autoshow = options.autoshow || true;
        this.appendto = options.appendto || 'body';
        this.closebutton = options.closebutton;
        this.language = options.language || this.element.data('date-language') || "en";
        this.language = this.language in dates ? this.language : this.language.split('-')[0]; //check if "de-de" style date is available, if not language should fallback to 2 letter code eg "de"
        this.language = this.language in dates ? this.language : "en";
        this.isrtl = dates[this.language].rtl || false;
        this.format = dpglobal.parseformat(options.format || this.element.data('date-format') || dates[this.language].format || 'mm/dd/yyyy');
        this.isinline = false;
        this.isinput = this.element.is('input');
        this.component = this.element.is('.date') ? this.element.find('.prefix, .postfix') : false;
        this.hasinput = this.component && this.element.find('input').length;
        this.disabledblclickselection = options.disabledblclickselection;
        this.onrender = options.onrender || function() {};
        if (this.component && this.component.length === 0) {
            this.component = false;
        }
        this.linkfield = options.linkfield || this.element.data('link-field') || false;
        this.linkformat = dpglobal.parseformat(options.linkformat || this.element.data('link-format') || 'yyyy-mm-dd hh:ii:ss');
        this.minutestep = options.minutestep || this.element.data('minute-step') || 5;
        this.pickerposition = options.pickerposition || this.element.data('picker-position') || 'bottom-right';
        this.initialdate = options.initialdate || null;

        this._attachevents();


        this.minview = 0;
        if ('minview' in options) {
            this.minview = options.minview;
        } else if ('minview' in this.element.data()) {
            this.minview = this.element.data('min-view');
        }
        this.minview = dpglobal.convertviewmode(this.minview);

        this.maxview = dpglobal.modes.length - 1;
        if ('maxview' in options) {
            this.maxview = options.maxview;
        } else if ('maxview' in this.element.data()) {
            this.maxview = this.element.data('max-view');
        }
        this.maxview = dpglobal.convertviewmode(this.maxview);

        this.startviewmode = 'month';
        if ('startview' in options) {
            this.startviewmode = options.startview;
        } else if ('startview' in this.element.data()) {
            this.startviewmode = this.element.data('start-view');
        }
        this.startviewmode = dpglobal.convertviewmode(this.startviewmode);
        this.viewmode = this.startviewmode;

        if (!('minview' in options) && !('maxview' in options) && !(this.element.data('min-view') && !(this.element.data('max-view')))) {
            this.picktime = false;
            if ('picktime' in options) {
                this.picktime = options.picktime;
            }
            if (this.picktime == true) {
                this.minview = 0;
                this.maxview = 4;
            } else {
                this.minview = 2;
                this.maxview = 4;
            }
        }

        this.forceparse = true;
        if ('forceparse' in options) {
            this.forceparse = options.forceparse;
        } else if ('dateforceparse' in this.element.data()) {
            this.forceparse = this.element.data('date-force-parse');
        }


        this.picker = $(dpglobal.template)
            .appendto(this.isinline ? this.element : this.appendto)
            .on({
                click: $.proxy(this.click, this),
                mousedown: $.proxy(this.mousedown, this)
            });
        if (this.closebutton) {
            this.picker.find('a.datepicker-close').show();
        } else {
            this.picker.find('a.datepicker-close').hide();
        }

        if (this.isinline) {
            this.picker.addclass('datepicker-inline');
        } else {
            this.picker.addclass('datepicker-dropdown dropdown-menu');
        }
        if (this.isrtl) {
            this.picker.addclass('datepicker-rtl');
            this.picker.find('.prev i, .next i')
                .toggleclass('fa-chevron-left fa-chevron-right');
        }
        $(document).on('mousedown', function(e) {
            // clicked outside the datepicker, hide it
            if ($(e.target).closest('.datepicker.datepicker-inline, .datepicker.datepicker-dropdown').length === 0) {
                that.hide();
            }
        });

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

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

        this.todaybtn = (options.todaybtn || this.element.data('date-today-btn') || false);
        this.todayhighlight = (options.todayhighlight || this.element.data('date-today-highlight') || false);

        this.calendarweeks = false;
        if ('calendarweeks' in options) {
            this.calendarweeks = options.calendarweeks;
        } else if ('datecalendarweeks' in this.element.data()) {
            this.calendarweeks = this.element.data('date-calendar-weeks');
        }
        if (this.calendarweeks)
            this.picker.find('tfoot th.today')
            .attr('colspan', function(i, val) {
                return parseint(val) + 1;
            });

        this.weekstart = ((options.weekstart || this.element.data('date-weekstart') || dates[this.language].weekstart || 0) % 7);
        this.weekend = ((this.weekstart + 6) % 7);
        this.startdate = -infinity;
        this.enddate = infinity;
        this.daysofweekdisabled = [];
        this.setstartdate(options.startdate || this.element.data('date-startdate'));
        this.setenddate(options.enddate || this.element.data('date-enddate'));
        this.setdaysofweekdisabled(options.daysofweekdisabled || this.element.data('date-days-of-week-disabled'));

        this.filldow();
        this.fillmonths();
        this.update();

        this.showmode();

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

    datepicker.prototype = {
        constructor: datepicker,

        _events: [],
        _attachevents: function() {
            this._detachevents();
            if (this.isinput) { // single input
                this._events = [
                    [this.element, {
                        focus: (this.autoshow) ? $.proxy(this.show, this) : function() {},
                        keyup: $.proxy(this.update, this),
                        keydown: $.proxy(this.keydown, this)
                    }]
                ];
            } else if (this.component && this.hasinput) { // component: input + button
                this._events = [
                    // for components that are not readonly, allow keyboard nav
                    [this.element.find('input'), {
                        focus: (this.autoshow) ? $.proxy(this.show, this) : function() {},
                        keyup: $.proxy(this.update, this),
                        keydown: $.proxy(this.keydown, this)
                    }],
                    [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)
                    }]
                ];
            }

            if (this.disabledblclickselection) {
                this._events[this._events.length] = [
                    this.element, {
                        dblclick: function(e) {
                            e.preventdefault();
                            e.stoppropagation();
                            $(this).blur()
                        }
                    }
                ];
            }

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

        show: function(e) {
            this.picker.show();
            this.height = this.component ? this.component.outerheight() : this.element.outerheight();
            this.update();
            this.place();
            $(window).on('resize', $.proxy(this.place, this));
            if (e) {
                e.stoppropagation();
                e.preventdefault();
            }
            this.element.trigger({
                type: 'show',
                date: this.date
            });
        },

        hide: function(e) {
            if (this.isinline) return;
            if (!this.picker.is(':visible')) return;
            this.picker.hide();
            $(window).off('resize', this.place);
            this.viewmode = this.startviewmode;
            this.showmode();
            if (!this.isinput) {
                $(document).off('mousedown', this.hide);
            }

            if (
                this.forceparse &&
                (
                    this.isinput && this.element.val() ||
                    this.hasinput && this.element.find('input').val()
                )
            )
                this.setvalue();
            this.element.trigger({
                type: 'hide',
                date: this.date
            });
        },

        remove: function() {
            this._detachevents();
            this.picker.remove();
            delete this.element.data().datepicker;
        },

        getdate: function() {
            var d = this.getutcdate();
            return new date(d.gettime() + (d.gettimezoneoffset() * 60000));
        },

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

        setdate: function(d) {
            this.setutcdate(new date(d.gettime() - (d.gettimezoneoffset() * 60000)));
        },

        setutcdate: function(d) {
            this.date = d;
            this.setvalue();
        },

        setvalue: function() {
            var formatted = this.getformatteddate();
            if (!this.isinput) {
                if (this.component) {
                    this.element.find('input').val(formatted);
                }
                this.element.data('date', formatted);
            } else {
                this.element.val(formatted);
            }
        },

        getformatteddate: function(format) {
            if (format === undefined)
                format = this.format;
            return dpglobal.formatdate(this.date, format, this.language);
        },

        setstartdate: function(startdate) {
            this.startdate = startdate || -infinity;
            if (this.startdate !== -infinity) {
                this.startdate = dpglobal.parsedate(this.startdate, this.format, this.language);
            }
            this.update();
            this.updatenavarrows();
        },

        setenddate: function(enddate) {
            this.enddate = enddate || infinity;
            if (this.enddate !== infinity) {
                this.enddate = dpglobal.parsedate(this.enddate, this.format, this.language);
            }
            this.update();
            this.updatenavarrows();
        },

        setdaysofweekdisabled: function(daysofweekdisabled) {
            this.daysofweekdisabled = daysofweekdisabled || [];
            if (!$.isarray(this.daysofweekdisabled)) {
                this.daysofweekdisabled = this.daysofweekdisabled.split(/,\s*/);
            }
            this.daysofweekdisabled = $.map(this.daysofweekdisabled, function(d) {
                return parseint(d, 10);
            });
            this.update();
            this.updatenavarrows();
        },

        place: function() {
            if (this.isinline) return;
            var zindex = parseint(this.element.parents().filter(function() {
                return $(this).css('z-index') != 'auto';
            }).first().css('z-index')) + 10;
            var textbox = this.component ? this.component : this.element;
            var offset = textbox.offset();
            var height = textbox.outerheight() + parseint(textbox.css('margin-top'));
            var width = textbox.outerwidth() + parseint(textbox.css('margin-left'));
            var fulloffsettop = offset.top + height;
            var offsetleft = offset.left;
            // if the datepicker is going to be below the window, show it on top of the input
            if ((fulloffsettop + this.picker.outerheight()) >= $(window).scrolltop() + $(window).height()) {
                fulloffsettop = offset.top - this.picker.outerheight();
            }

            // if the datepicker is going to go past the right side of the window, we want
            // to set the right position so the datepicker lines up with the textbox
            if (offset.left + this.picker.width() >= $(window).width()) {
                offsetleft = (offset.left + width) - this.picker.width();
            }
            this.picker.css({
                top: fulloffsettop,
                left: offsetleft,
                zindex: zindex
            });
        },

        update: function() {
            var date, fromargs = false;
            var currentval = this.isinput ? this.element.val() : this.element.data('date') || this.element.find('input').val();
            if (arguments && arguments.length && (typeof arguments[0] === 'string' || arguments[0] instanceof date)) {
                date = arguments[0];
                fromargs = true;
            } 
            else if (!currentval && this.initialdate != null) { // if value is not set, set it to the initialdate 
                date = this.initialdate
            }
            else {
                date = this.isinput ? this.element.val() : this.element.data('date') || this.element.find('input').val();
            }



            this.date = dpglobal.parsedate(date, this.format, this.language);

            if (fromargs || this.initialdate != null) this.setvalue();

            if (this.date < this.startdate) {
                this.viewdate = new date(this.startdate.valueof());
            } else if (this.date > this.enddate) {
                this.viewdate = new date(this.enddate.valueof());
            } else {
                this.viewdate = new date(this.date.valueof());
            }
            this.fill();
        },

        filldow: function() {
            var dowcnt = this.weekstart,
                html = '<tr>';
            if (this.calendarweeks) {
                var cell = '<th class="cw">&nbsp;</th>';
                html += cell;
                this.picker.find('.datepicker-days thead tr:first-child').prepend(cell);
            }
            while (dowcnt < this.weekstart + 7) {
                html += '<th class="dow">' + dates[this.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.language].monthsshort[i++] + '</span>';
            }
            this.picker.find('.datepicker-months td').html(html);
        },

        fill: function() {
            if (this.date == null || this.viewdate == null) {
                return;
            }

            var d = new date(this.viewdate.valueof()),
                year = d.getutcfullyear(),
                month = d.getutcmonth(),
                daymonth = d.getutcdate(),
                hours = d.getutchours(),
                minutes = d.getutcminutes(),
                startyear = this.startdate !== -infinity ? this.startdate.getutcfullyear() : -infinity,
                startmonth = this.startdate !== -infinity ? this.startdate.getutcmonth() : -infinity,
                endyear = this.enddate !== infinity ? this.enddate.getutcfullyear() : infinity,
                endmonth = this.enddate !== infinity ? this.enddate.getutcmonth() : infinity,
                currentdate = this.date && this.date.valueof(),
                today = new date(),
                titleformat = dates[this.language].titleformat || dates['en'].titleformat;
            // this.picker.find('.datepicker-days thead th.date-switch')
            // 			.text(dpglobal.formatdate(new utcdate(year, month), titleformat, this.language));

            this.picker.find('.datepicker-days thead th:eq(1)')
                .text(dates[this.language].months[month] + ' ' + year);
            this.picker.find('.datepicker-hours thead th:eq(1)')
                .text(daymonth + ' ' + dates[this.language].months[month] + ' ' + year);
            this.picker.find('.datepicker-minutes thead th:eq(1)')
                .text(daymonth + ' ' + dates[this.language].months[month] + ' ' + year);


            this.picker.find('tfoot th.today')
                .text(dates[this.language].today)
                .toggle(this.todaybtn !== false);
            this.updatenavarrows();
            this.fillmonths();
            var prevmonth = utcdate(year, month - 1, 28, 0, 0, 0, 0),
                day = dpglobal.getdaysinmonth(prevmonth.getutcfullyear(), prevmonth.getutcmonth());
            prevmonth.setutcdate(day);
            prevmonth.setutcdate(day - (prevmonth.getutcday() - this.weekstart + 7) % 7);
            var nextmonth = new date(prevmonth.valueof());
            nextmonth.setutcdate(nextmonth.getutcdate() + 42);
            nextmonth = nextmonth.valueof();
            var html = [];
            var clsname;
            while (prevmonth.valueof() < nextmonth) {
                if (prevmonth.getutcday() == this.weekstart) {
                    html.push('<tr>');
                    if (this.calendarweeks) {
                        // adapted from https://github.com/timrwood/moment/blob/master/moment.js#l128
                        var a = new date(prevmonth.getutcfullyear(), prevmonth.getutcmonth(), prevmonth.getutcdate() - prevmonth.getday() + 10 - (this.weekstart && this.weekstart % 7 < 5 && 7)),
                            b = new date(a.getfullyear(), 0, 4),
                            calweek = ~~((a - b) / 864e5 / 7 + 1.5);
                        html.push('<td class="cw">' + calweek + '</td>');
                    }
                }
                clsname = ' ' + this.onrender(prevmonth) + ' ';
                if (prevmonth.getutcfullyear() < year || (prevmonth.getutcfullyear() == year && prevmonth.getutcmonth() < month)) {
                    clsname += ' old';
                } else if (prevmonth.getutcfullyear() > year || (prevmonth.getutcfullyear() == year && prevmonth.getutcmonth() > month)) {
                    clsname += ' new';
                }
                // compare internal utc date with local today, not utc today
                if (this.todayhighlight &&
                    prevmonth.getutcfullyear() == today.getfullyear() &&
                    prevmonth.getutcmonth() == today.getmonth() &&
                    prevmonth.getutcdate() == today.getdate()) {
                    clsname += ' today';
                }
                if (currentdate && prevmonth.valueof() == currentdate) {
                    clsname += ' active';
                }
                if (prevmonth.valueof() < this.startdate || prevmonth.valueof() > this.enddate ||
                    $.inarray(prevmonth.getutcday(), this.daysofweekdisabled) !== -1) {
                    clsname += ' disabled';
                }
                html.push('<td class="day' + clsname + '">' + prevmonth.getutcdate() + '</td>');
                if (prevmonth.getutcday() == this.weekend) {
                    html.push('</tr>');
                }
                prevmonth.setutcdate(prevmonth.getutcdate() + 1);
            }
            this.picker.find('.datepicker-days tbody').empty().append(html.join(''));

            html = [];
            for (var i = 0; i < 24; i++) {
                var actual = utcdate(year, month, daymonth, i);
                clsname = '';
                // we want the previous hour for the startdate
                if ((actual.valueof() + 3600000) < this.startdate || actual.valueof() > this.enddate) {
                    clsname += ' disabled';
                } else if (hours == i) {
                    clsname += ' active';
                }
                html.push('<span class="hour' + clsname + '">' + i + ':00</span>');
            }
            this.picker.find('.datepicker-hours td').html(html.join(''));

            html = [];
            for (var i = 0; i < 60; i += this.minutestep) {
                var actual = utcdate(year, month, daymonth, hours, i);
                clsname = '';
                if (actual.valueof() < this.startdate || actual.valueof() > this.enddate) {
                    clsname += ' disabled';
                } else if (math.floor(minutes / this.minutestep) == math.floor(i / this.minutestep)) {
                    clsname += ' active';
                }
                html.push('<span class="minute' + clsname + '">' + hours + ':' + (i < 10 ? '0' + i : i) + '</span>');
            }
            this.picker.find('.datepicker-minutes td').html(html.join(''));


            var currentyear = this.date && this.date.getutcfullyear();
            var months = this.picker.find('.datepicker-months')
                .find('th:eq(1)')
                .text(year)
                .end()
                .find('span').removeclass('active');
            if (currentyear && currentyear == year) {
                months.eq(this.date.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');
            }

            html = '';
            year = parseint(year / 10, 10) * 10;
            var yearcont = this.picker.find('.datepicker-years')
                .find('th:eq(1)')
                .text(year + '-' + (year + 9))
                .end()
                .find('td');
            year -= 1;
            for (var i = -1; i < 11; i++) {
                html += '<span class="year' + (i == -1 || i == 10 ? ' old' : '') + (currentyear == year ? ' active' : '') + (year < startyear || year > endyear ? ' disabled' : '') + '">' + year + '</span>';
                year += 1;
            }
            yearcont.html(html);
        },

        updatenavarrows: function() {
            var d = new date(this.viewdate),
                year = d.getutcfullyear(),
                month = d.getutcmonth(),
                day = d.getutcdate(),
                hour = d.getutchours();
            switch (this.viewmode) {
                case 0:
                    if (this.startdate !== -infinity && year <= this.startdate.getutcfullyear() && month <= this.startdate.getutcmonth() && day <= this.startdate.getutcdate() && hour <= this.startdate.getutchours()) {
                        this.picker.find('.prev').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.prev').css({
                            visibility: 'visible'
                        });
                    }
                    if (this.enddate !== infinity && year >= this.enddate.getutcfullyear() && month >= this.enddate.getutcmonth() && day >= this.enddate.getutcdate() && hour >= this.enddate.getutchours()) {
                        this.picker.find('.next').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.next').css({
                            visibility: 'visible'
                        });
                    }
                    break;
                case 1:
                    if (this.startdate !== -infinity && year <= this.startdate.getutcfullyear() && month <= this.startdate.getutcmonth() && day <= this.startdate.getutcdate()) {
                        this.picker.find('.prev').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.prev').css({
                            visibility: 'visible'
                        });
                    }
                    if (this.enddate !== infinity && year >= this.enddate.getutcfullyear() && month >= this.enddate.getutcmonth() && day >= this.enddate.getutcdate()) {
                        this.picker.find('.next').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.next').css({
                            visibility: 'visible'
                        });
                    }
                    break;
                case 2:
                    if (this.startdate !== -infinity && year <= this.startdate.getutcfullyear() && month <= this.startdate.getutcmonth()) {
                        this.picker.find('.prev').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.prev').css({
                            visibility: 'visible'
                        });
                    }
                    if (this.enddate !== infinity && year >= this.enddate.getutcfullyear() && month >= this.enddate.getutcmonth()) {
                        this.picker.find('.next').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.next').css({
                            visibility: 'visible'
                        });
                    }
                    break;
                case 3:
                case 4:
                    if (this.startdate !== -infinity && year <= this.startdate.getutcfullyear()) {
                        this.picker.find('.prev').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.prev').css({
                            visibility: 'visible'
                        });
                    }
                    if (this.enddate !== infinity && year >= this.enddate.getutcfullyear()) {
                        this.picker.find('.next').css({
                            visibility: 'hidden'
                        });
                    } else {
                        this.picker.find('.next').css({
                            visibility: 'visible'
                        });
                    }
                    break;
            }
        },

        click: function(e) {
            e.stoppropagation();
            e.preventdefault();

            if ($(e.target).hasclass('datepicker-close') || $(e.target).parent().hasclass('datepicker-close')) {
                this.hide();
            }

            var target = $(e.target).closest('span, td, th');
            if (target.length == 1) {
                if (target.is('.disabled')) {
                    this.element.trigger({
                        type: 'outofrange',
                        date: this.viewdate,
                        startdate: this.startdate,
                        enddate: this.enddate
                    });
                    return;
                }

                switch (target[0].nodename.tolowercase()) {
                    case 'th':
                        switch (target[0].classname) {
                            case 'date-switch':
                                this.showmode(1);
                                break;
                            case 'prev':
                            case 'next':
                                var dir = dpglobal.modes[this.viewmode].navstep * (target[0].classname == 'prev' ? -1 : 1);
                                switch (this.viewmode) {
                                    case 0:
                                        this.viewdate = this.movehour(this.viewdate, dir);
                                        break;
                                    case 1:
                                        this.viewdate = this.movedate(this.viewdate, dir);
                                        break;
                                    case 2:
                                        this.viewdate = this.movemonth(this.viewdate, dir);
                                        break;
                                    case 3:
                                    case 4:
                                        this.viewdate = this.moveyear(this.viewdate, dir);
                                        break;
                                }
                                this.fill();
                                break;
                            case 'today':
                                var date = new date();
                                date = utcdate(date.getfullyear(), date.getmonth(), date.getdate(), date.gethours(), date.getminutes(), date.getseconds());

                                this.viewmode = this.startviewmode;
                                this.showmode(0);
                                this._setdate(date);
                                break;
                        }
                        break;
                    case 'span':
                        if (!target.is('.disabled')) {
                            if (target.is('.month')) {
                              if (this.minview === 3) {
                                var month = target.parent().find('span').index(target) || 0;
                                var year = this.viewdate.getutcfullyear(),
                                    day = 1,
                                    hours = this.viewdate.getutchours(),
                                    minutes = this.viewdate.getutcminutes(),
                                    seconds = this.viewdate.getutcseconds();
                                this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                              } else {
                                this.viewdate.setutcdate(1);
                                var month = target.parent().find('span').index(target);
                                this.viewdate.setutcmonth(month);
                                this.element.trigger({
                                    type: 'changemonth',
                                    date: this.viewdate
                                });
                              }
                            } else if (target.is('.year')) {
                              if (this.minview === 4) {
                                var year = parseint(target.text(), 10) || 0;
                                var month = 0,
                                    day = 1,
                                    hours = this.viewdate.getutchours(),
                                    minutes = this.viewdate.getutcminutes(),
                                    seconds = this.viewdate.getutcseconds();
                                this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                              } else {
                                this.viewdate.setutcdate(1);
                                var year = parseint(target.text(), 10) || 0;
                                this.viewdate.setutcfullyear(year);
                                this.element.trigger({
                                    type: 'changeyear',
                                    date: this.viewdate
                                });
                              }
                            } else if (target.is('.hour')) {
                                var hours = parseint(target.text(), 10) || 0;
                                var year = this.viewdate.getutcfullyear(),
                                    month = this.viewdate.getutcmonth(),
                                    day = this.viewdate.getutcdate(),
                                    minutes = this.viewdate.getutcminutes(),
                                    seconds = this.viewdate.getutcseconds();
                                this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                            } else if (target.is('.minute')) {
                                var minutes = parseint(target.text().substr(target.text().indexof(':') + 1), 10) || 0;
                                var year = this.viewdate.getutcfullyear(),
                                    month = this.viewdate.getutcmonth(),
                                    day = this.viewdate.getutcdate(),
                                    hours = this.viewdate.getutchours(),
                                    seconds = this.viewdate.getutcseconds();
                                this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                            }



                            if (this.viewmode != 0) {



                                var oldviewmode = this.viewmode;
                                this.showmode(-1);
                                this.fill();
                                if (oldviewmode == this.viewmode && this.autoclose) {
                                    this.hide();
                                }
                            } else {
                                this.fill();
                                if (this.autoclose) {
                                    this.hide();
                                }
                            }
                        }
                        break;
                    case 'td':



                        if (target.is('.day') && !target.is('.disabled')) {
                            var day = parseint(target.text(), 10) || 1;
                            var year = this.viewdate.getutcfullyear(),
                                month = this.viewdate.getutcmonth(),
                                hours = this.viewdate.getutchours(),
                                minutes = this.viewdate.getutcminutes(),
                                seconds = this.viewdate.getutcseconds();
                            if (target.is('.old')) {
                                if (month === 0) {
                                    month = 11;
                                    year -= 1;
                                } else {
                                    month -= 1;
                                }
                            } else if (target.is('.new')) {
                                if (month == 11) {
                                    month = 0;
                                    year += 1;
                                } else {
                                    month += 1;
                                }
                            }
                            this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                        }



                        var oldviewmode = this.viewmode;


                        this.showmode(-1);


                        this.fill();
                        if (oldviewmode == this.viewmode && this.autoclose) {
                            this.hide();
                        }
                        break;
                }
            }
        },

        _setdate: function(date, which) {

            if (!which || which == 'date')
                this.date = date;
            if (!which || which == 'view')
                this.viewdate = date;
            this.fill();
            this.setvalue();
            this.element.trigger({
                type: 'changedate',
                date: this.date
            });
            var element;
            if (this.isinput) {
                element = this.element;
            } else if (this.component) {
                element = this.element.find('input');
            }
            if (element) {
                element.change();
                if (this.autoclose && (!which || which == 'date')) {
                    // this.hide();
                }
            }
        },

        movehour: function(date, dir) {
            if (!dir) return date;
            var new_date = new date(date.valueof());
            dir = dir > 0 ? 1 : -1;
            new_date.setutchours(new_date.getutchours() + dir);
            return new_date;
        },

        movedate: function(date, dir) {
            if (!dir) return date;
            var new_date = new date(date.valueof());
            dir = dir > 0 ? 1 : -1;
            new_date.setutcdate(new_date.getutcdate() + dir);
            return new_date;
        },

        movemonth: function(date, dir) {
            if (!dir) return date;
            var new_date = new date(date.valueof()),
                day = new_date.getutcdate(),
                month = new_date.getutcmonth(),
                mag = math.abs(dir),
                new_month, test;
            dir = dir > 0 ? 1 : -1;
            if (mag == 1) {
                test = dir == -1
                    // if going back one month, make sure month is not current month
                    // (eg, mar 31 -> feb 31 == feb 28, not mar 02)
                    ? function() {
                        return new_date.getutcmonth() == month;
                    }
                    // if going forward one month, make sure month is as expected
                    // (eg, jan 31 -> feb 31 == feb 28, not mar 02)
                    : function() {
                        return new_date.getutcmonth() != new_month;
                    };
                new_month = month + dir;
                new_date.setutcmonth(new_month);
                // dec -> jan (12) or jan -> dec (-1) -- limit expected date to 0-11
                if (new_month < 0 || new_month > 11)
                    new_month = (new_month + 12) % 12;
            } else {
                // for magnitudes >1, move one month at a time...
                for (var i = 0; i < mag; i++)
                // ...which might decrease the day (eg, jan 31 to feb 28, etc)...
                    new_date = this.movemonth(new_date, dir);
                // ...then reset the day, keeping it in the new month
                new_month = new_date.getutcmonth();
                new_date.setutcdate(day);
                test = function() {
                    return new_month != new_date.getutcmonth();
                };
            }
            // common date-resetting loop -- if date is beyond end of month, make it
            // end of month
            while (test()) {
                new_date.setutcdate(--day);
                new_date.setutcmonth(new_month);
            }
            return new_date;
        },

        moveyear: function(date, dir) {
            return this.movemonth(date, dir * 12);
        },

        datewithinrange: function(date) {
            return date >= this.startdate && date <= this.enddate;
        },

        keydown: function(e) {
            if (this.picker.is(':not(:visible)')) {
                if (e.keycode == 27) // allow escape to hide and re-show picker
                    this.show();
                return;
            }
            var datechanged = false,
                dir, day, month,
                newdate, newviewdate;
            switch (e.keycode) {
                case 27: // escape
                    this.hide();
                    e.preventdefault();
                    break;
                case 37: // left
                case 39: // right
                    if (!this.keyboardnavigation) break;
                    dir = e.keycode == 37 ? -1 : 1;
                    if (e.ctrlkey) {
                        newdate = this.moveyear(this.date, dir);
                        newviewdate = this.moveyear(this.viewdate, dir);
                    } else if (e.shiftkey) {
                        newdate = this.movemonth(this.date, dir);
                        newviewdate = this.movemonth(this.viewdate, dir);
                    } else {
                        newdate = new date(this.date.valueof());
                        newdate.setutcdate(this.date.getutcdate() + dir);
                        newviewdate = new date(this.viewdate.valueof());
                        newviewdate.setutcdate(this.viewdate.getutcdate() + dir);
                    }
                    if (this.datewithinrange(newdate)) {
                        this.date = newdate;
                        this.viewdate = newviewdate;
                        this.setvalue();
                        this.update();
                        e.preventdefault();
                        datechanged = true;
                    }
                    break;
                case 38: // up
                case 40: // down
                    if (!this.keyboardnavigation) break;
                    dir = e.keycode == 38 ? -1 : 1;
                    if (e.ctrlkey) {
                        newdate = this.moveyear(this.date, dir);
                        newviewdate = this.moveyear(this.viewdate, dir);
                    } else if (e.shiftkey) {
                        newdate = this.movemonth(this.date, dir);
                        newviewdate = this.movemonth(this.viewdate, dir);
                    } else {
                        newdate = new date(this.date.valueof());
                        newdate.setutcdate(this.date.getutcdate() + dir * 7);
                        newviewdate = new date(this.viewdate.valueof());
                        newviewdate.setutcdate(this.viewdate.getutcdate() + dir * 7);
                    }
                    if (this.datewithinrange(newdate)) {
                        this.date = newdate;
                        this.viewdate = newviewdate;
                        this.setvalue();
                        this.update();
                        e.preventdefault();
                        datechanged = true;
                    }
                    break;
                case 13: // enter
                    this.hide();
                    e.preventdefault();
                    break;
                case 9: // tab
                    this.hide();
                    break;
            }
            if (datechanged) {
                this.element.trigger({
                    type: 'changedate',
                    date: this.date
                });
                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) {
                var newviewmode = math.max(0, math.min(dpglobal.modes.length - 1, this.viewmode + dir));
                if (newviewmode >= this.minview && newviewmode <= this.maxview) {
                    this.viewmode = newviewmode;
                }
            }
            /*
            	vitalets: fixing bug of very special conditions:
            	jquery 1.7.1 + webkit + show inline datepicker in bootstrap popover.
            	method show() does not set display css correctly and datepicker is not shown.
            	changed to .css('display', 'block') solve the problem.
            	see https://github.com/vitalets/x-editable/issues/37

            	in jquery 1.7.2+ everything works fine.
            */
            //this.picker.find('>div').hide().filter('.datepicker-'+dpglobal.modes[this.viewmode].clsname).show();
            this.picker.find('>div').hide().filter('.datepicker-' + dpglobal.modes[this.viewmode].clsname).css('display', 'block');
            this.updatenavarrows();
        },
        reset: function(e) {
            this._setdate(null, 'date');
        }
    };

    $.fn.fdatepicker = function(option) {
        var args = array.apply(null, arguments);
        args.shift();
        return this.each(function() {
            var $this = $(this),
                data = $this.data('datepicker'),
                options = typeof option == 'object' && option;
            if (!data) {
                $this.data('datepicker', (data = new datepicker(this, $.extend({}, $.fn.fdatepicker.defaults, options))));
            }
            if (typeof option == 'string' && typeof data[option] == 'function') {
                data[option].apply(data, args);
            }
        });
    };

    $.fn.fdatepicker.defaults = {
        onrender: function(date) {
            return '';
        }
    };
    $.fn.fdatepicker.constructor = datepicker;
    var dates = $.fn.fdatepicker.dates = {
        'en': {
           days: ["鏄熸湡鏃?, "鏄熸湡涓€", "鏄熸湡浜?, "鏄熸湡涓?, "鏄熸湡鍥?, "鏄熸湡浜?, "鏄熸湡鍏?],
	        daysshort: ["鍛ㄦ棩", "鍛ㄤ竴", "鍛ㄤ簩", "鍛ㄤ笁", "鍛ㄥ洓", "鍛ㄤ簲", "鍛ㄥ叚"],
	        daysmin: ["鏃?, "涓€", "浜?, "涓?, "鍥?, "浜?, "鍏?],
	        months: ["涓€鏈?, "浜屾湀", "涓夋湀", "鍥涙湀", "浜旀湀", "鍏湀", "涓冩湀", "鍏湀", "涔濇湀", "鍗佹湀", "鍗佷竴鏈?, "鍗佷簩鏈?],
	        monthsshort: ["涓€", "浜?, "涓?, "鍥?, "浜?, "鍏?, "涓?, "鍏?, "涔?, "鍗?, "鍗佷竴", "鍗佷簩"],
	        today: '浠婂ぉ',
            titleformat: "mm yyyy"
        }
    };

    var dpglobal = {
        modes: [{
            clsname: 'minutes',
            navfnc: 'hours',
            navstep: 1
        }, {
            clsname: 'hours',
            navfnc: 'date',
            navstep: 1
        }, {
            clsname: 'days',
            navfnc: 'month',
            navstep: 1
        }, {
            clsname: 'months',
            navfnc: 'fullyear',
            navstep: 1
        }, {
            clsname: 'years',
            navfnc: 'fullyear',
            navstep: 10
        }],
        isleapyear: function(year) {
            return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0));
        },
        getdaysinmonth: function(year, month) {
            return [31, (dpglobal.isleapyear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
        },
        validparts: /hh?|ii?|ss?|dd?|mm?|mm?|yy(?:yy)?/g,
        nonpunctuation: /[^ -\/:-@\[\u3400-\u9fff-`{-~\t\n\r]+/g,
        parseformat: function(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 instanceof date) return new date(date.valueof() - date.gettimezoneoffset() * 60000);
            if (/^\d{4}\-\d{1,2}\-\d{1,2}$/.test(date)) {
                format = this.parseformat('yyyy-mm-dd');
            }
            if (/^\d{4}\-\d{1,2}\-\d{1,2}[t ]\d{1,2}\:\d{1,2}$/.test(date)) {
                format = this.parseformat('yyyy-mm-dd hh:ii');
            }
            if (/^\d{4}\-\d{1,2}\-\d{1,2}[t ]\d{1,2}\:\d{1,2}\:\d{1,2}[z]{0,1}$/.test(date)) {
                format = this.parseformat('yyyy-mm-dd hh:ii:ss');
            }
            if (/^[-+]\d+[dmwy]([\s,]+[-+]\d+[dmwy])*$/.test(date)) {
                var part_re = /([-+]\d+)([dmwy])/,
                    parts = date.match(/([-+]\d+)([dmwy])/g),
                    part, dir;
                date = new date();
                for (var i = 0; i < parts.length; i++) {
                    part = part_re.exec(parts[i]);
                    dir = parseint(part[1]);
                    switch (part[2]) {
                        case 'd':
                            date.setutcdate(date.getutcdate() + dir);
                            break;
                        case 'm':
                            date = datetimepicker.prototype.movemonth.call(datetimepicker.prototype, date, dir);
                            break;
                        case 'w':
                            date.setutcdate(date.getutcdate() + dir * 7);
                            break;
                        case 'y':
                            date = datetimepicker.prototype.moveyear.call(datetimepicker.prototype, date, dir);
                            break;
                    }
                }
                return utcdate(date.getutcfullyear(), date.getutcmonth(), date.getutcdate(), date.getutchours(), date.getutcminutes(), date.getutcseconds());
            }
            var parts = date && date.match(this.nonpunctuation) || [],
                date = new date(),
                parsed = {},
                setters_order = ['hh', 'h', 'ii', 'i', 'ss', 's', 'yyyy', 'yy', 'm', 'mm', 'm', 'mm', 'd', 'dd'],
                setters_map = {
                    hh: function(d, v) {
                        return d.setutchours(v);
                    },
                    h: function(d, v) {
                        return d.setutchours(v);
                    },
                    ii: function(d, v) {
                        return d.setutcminutes(v);
                    },
                    i: function(d, v) {
                        return d.setutcminutes(v);
                    },
                    ss: function(d, v) {
                        return d.setutcseconds(v);
                    },
                    s: function(d, v) {
                        return d.setutcseconds(v);
                    },
                    yyyy: function(d, v) {
                        return d.setutcfullyear(v);
                    },
                    yy: function(d, v) {
                        return d.setutcfullyear(2000 + v);
                    },
                    m: function(d, v) {
                        v -= 1;
                        while (v < 0) v += 12;
                        v %= 12;
                        d.setutcmonth(v);
                        while (d.getutcmonth() != v)
                            d.setutcdate(d.getutcdate() - 1);
                        return d;
                    },
                    d: function(d, v) {
                        return d.setutcdate(v);
                    }
                },
                val, filtered, part;
            setters_map['m'] = setters_map['mm'] = setters_map['mm'] = setters_map['m'];
            setters_map['dd'] = setters_map['d'];
            date = utcdate(date.getfullyear(), date.getmonth(), date.getdate(), 0, 0, 0); //date.gethours(), date.getminutes(), date.getseconds());
            if (parts.length == format.parts.length) {
                for (var i = 0, cnt = format.parts.length; i < cnt; i++) {
                    val = parseint(parts[i], 10);
                    part = format.parts[i];
                    if (isnan(val)) {
                        switch (part) {
                            case 'mm':
                                filtered = $(dates[language].months).filter(function() {
                                    var m = this.slice(0, parts[i].length),
                                        p = parts[i].slice(0, m.length);
                                    return m == p;
                                });
                                val = $.inarray(filtered[0], dates[language].months) + 1;
                                break;
                            case 'm':
                                filtered = $(dates[language].monthsshort).filter(function() {
                                    var m = this.slice(0, parts[i].length),
                                        p = parts[i].slice(0, m.length);
                                    return m == p;
                                });
                                val = $.inarray(filtered[0], dates[language].monthsshort) + 1;
                                break;
                        }
                    }
                    parsed[part] = val;
                }
                for (var i = 0, s; i < setters_order.length; i++) {
                    s = setters_order[i];
                    if (s in parsed && !isnan(parsed[s]))
                        setters_map[s](date, parsed[s])
                }
            }
            return date;
        },
        formatdate: function(date, format, language) {
            if (date == null) {
                return '';
            }
            var val = {
                h: date.getutchours(),
                i: date.getutcminutes(),
                s: date.getutcseconds(),
                d: date.getutcdate(),
                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.hh = (val.h < 10 ? '0' : '') + val.h;
            val.ii = (val.i < 10 ? '0' : '') + val.i;
            val.ss = (val.s < 10 ? '0' : '') + val.s;
            val.dd = (val.d < 10 ? '0' : '') + val.d;
            val.mm = (val.m < 10 ? '0' : '') + val.m;
            var date = [],
                seps = $.extend([], format.separators);
            for (var i = 0, cnt = format.parts.length; i < cnt; i++) {
                if (seps.length)
                    date.push(seps.shift())
                date.push(val[format.parts[i]]);
            }
            return date.join('');
        },
        convertviewmode: function(viewmode) {
            switch (viewmode) {
                case 4:
                case 'decade':
                    viewmode = 4;
                    break;
                case 3:
                case 'year':
                    viewmode = 3;
                    break;
                case 2:
                case 'month':
                    viewmode = 2;
                    break;
                case 1:
                case 'day':
                    viewmode = 1;
                    break;
                case 0:
                case 'hour':
                    viewmode = 0;
                    break;
            }

            return viewmode;
        },
        headtemplate: '<thead>' +
            '<tr>' +
            '<th class="prev"><i class="fa fa-chevron-left fi-arrow-left"/></th>' +
            '<th colspan="5" class="date-switch"></th>' +
            '<th class="next"><i class="fa fa-chevron-right fi-arrow-right"/></th>' +
            '</tr>' +
            '</thead>',
        conttemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
        foottemplate: '<tfoot><tr><th colspan="7" class="today"></th></tr></tfoot>'
    };
    dpglobal.template = '<div class="datepicker">' +
        '<div class="datepicker-minutes">' +
        '<table class=" table-condensed">' +
        dpglobal.headtemplate +
        dpglobal.conttemplate +
        dpglobal.foottemplate +
        '</table>' +
        '</div>' +
        '<div class="datepicker-hours">' +
        '<table class=" table-condensed">' +
        dpglobal.headtemplate +
        dpglobal.conttemplate +
        dpglobal.foottemplate +
        '</table>' +
        '</div>' +
        '<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>' +
        '<a class="button datepicker-close tiny alert right" style="width:auto;"><i class="fa fa-remove fa-times fi-x"></i></a>' +
        '</div>';

    $.fn.fdatepicker.dpglobal = dpglobal;

}(window.jquery);