/* =========================================================
 * bootstrap-datetimepicker.js
 * =========================================================
 * copyright 2012 stefan petre
 *
 * improvements by andrew rowls
 * improvements by sébastien malot
 * improvements by yun lai
 * improvements by kenneth henderick
 * improvements by cugbabybear
 * improvements by christian vaas <auspex@auspex.eu>
 *
 * project url : http://www.malot.fr/bootstrap-datetimepicker
 *
 * licensed under the apache license, version 2.0 (the "license");
 * you may not use this file except in compliance with the license.
 * you may obtain a copy of the license at
 *
 * http://www.apache.org/licenses/license-2.0
 *
 * unless required by applicable law or agreed to in writing, software
 * distributed under the license is distributed on an "as is" basis,
 * without warranties or conditions of any kind, either express or implied.
 * see the license for the specific language governing permissions and
 * limitations under the license.
 * ========================================================= */

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

}(function($, undefined){

  // add ecma262-5 array methods if not supported natively (ie8)
  if (!('indexof' in array.prototype)) {
    array.prototype.indexof = function (find, i) {
      if (i === undefined) i = 0;
      if (i < 0) i += this.length;
      if (i < 0) i = 0;
      for (var n = this.length; i < n; i++) {
        if (i in this && this[i] === find) {
          return i;
        }
      }
      return -1;
    }
  }

  // add timezone abbreviation support for ie6+, chrome, firefox
  function timezoneabbreviation() {
    var abbreviation, date, formattedstr, i, len, matchedstrings, ref, str;
    date = (new date()).tostring();
    formattedstr = ((ref = date.split('(')[1]) != null ? ref.slice(0, -1) : 0) || date.split(' ');
    if (formattedstr instanceof array) {
      matchedstrings = [];
      for (var i = 0, len = formattedstr.length; i < len; i++) {
        str = formattedstr[i];
        if ((abbreviation = (ref = str.match(/\b[a-z]+\b/)) !== null) ? ref[0] : 0) {
          matchedstrings.push(abbreviation);
        }
      }
      formattedstr = matchedstrings.pop();
    }
    return formattedstr;
  }

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

  // picker object
  var datetimepicker = function (element, options) {
    var that = this;

    this.element = $(element);

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

    this.language = options.language || this.element.data('date-language') || 'en';
    this.language = this.language in dates ? this.language : this.language.split('-')[0]; // fr-ca fallback to fr
    this.language = this.language in dates ? this.language : 'en';
    this.isrtl = dates[this.language].rtl || false;
    this.formattype = options.formattype || this.element.data('format-type') || 'standard';
    this.format = dpglobal.parseformat(options.format || this.element.data('date-format') || dates[this.language].format || dpglobal.getdefaultformat(this.formattype, 'input'), this.formattype);
    this.isinline = false;
    this.isvisible = false;
    this.isinput = this.element.is('input');
    this.fontawesome = options.fontawesome || this.element.data('font-awesome') || false;

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

    this.component = this.element.is('.date') ? ( this.bootcssver === 3 ? this.element.find('.input-group-addon .glyphicon-th, .input-group-addon .glyphicon-time, .input-group-addon .glyphicon-remove, .input-group-addon .glyphicon-calendar, .input-group-addon .fa-calendar, .input-group-addon .fa-clock-o').parent() : this.element.find('.add-on .icon-th, .add-on .icon-time, .add-on .icon-calendar, .add-on .fa-calendar, .add-on .fa-clock-o').parent()) : false;
    this.componentreset = this.element.is('.date') ? ( this.bootcssver === 3 ? this.element.find('.input-group-addon .glyphicon-remove, .input-group-addon .fa-times').parent():this.element.find('.add-on .icon-remove, .add-on .fa-times').parent()) : false;
    this.hasinput = this.component && this.element.find('input').length;
    if (this.component && this.component.length === 0) {
      this.component = false;
    }
    this.linkfield = options.linkfield || this.element.data('link-field') || false;
    this.linkformat = dpglobal.parseformat(options.linkformat || this.element.data('link-format') || dpglobal.getdefaultformat(this.formattype, 'link'), this.formattype);
    this.minutestep = options.minutestep || this.element.data('minute-step') || 5;
    this.pickerposition = options.pickerposition || this.element.data('picker-position') || 'bottom-right';
    this.showmeridian = options.showmeridian || this.element.data('show-meridian') || false;
    this.initialdate = options.initialdate || new date();
    this.zindex = options.zindex || this.element.data('z-index') || undefined;
    this.title = typeof options.title === 'undefined' ? false : options.title;
    this.timezone = options.timezone || timezoneabbreviation();

    this.icons = {
      leftarrow: this.fontawesome ? 'fa-arrow-left' : (this.bootcssver === 3 ? 'glyphicon-arrow-left' : 'icon-arrow-left'),
      rightarrow: this.fontawesome ? 'fa-arrow-right' : (this.bootcssver === 3 ? 'glyphicon-arrow-right' : 'icon-arrow-right')
    }
    this.icontype = this.fontawesome ? 'fa' : 'glyphicon';

    this._attachevents();

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

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

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

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

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

    this.wheelviewmodenavigationinversedirection = false;

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

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

    this.startviewmode = 2;
    if ('startview' in options) {
      this.startviewmode = options.startview;
    } else if ('startview' in this.element.data()) {
      this.startviewmode = this.element.data('start-view');
    }
    this.startviewmode = dpglobal.convertviewmode(this.startviewmode);
    this.viewmode = this.startviewmode;

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

    this.forceparse = true;
    if ('forceparse' in options) {
      this.forceparse = options.forceparse;
    } else if ('dateforceparse' in this.element.data()) {
      this.forceparse = this.element.data('date-force-parse');
    }
    var template = this.bootcssver === 3 ? dpglobal.templatev3 : dpglobal.template;
    while (template.indexof('{icontype}') !== -1) {
      template = template.replace('{icontype}', this.icontype);
    }
    while (template.indexof('{leftarrow}') !== -1) {
      template = template.replace('{leftarrow}', this.icons.leftarrow);
    }
    while (template.indexof('{rightarrow}') !== -1) {
      template = template.replace('{rightarrow}', this.icons.rightarrow);
    }
    this.picker = $(template)
      .appendto(this.isinline ? this.element : this.container) // 'body')
      .on({
        click:     $.proxy(this.click, this),
        mousedown: $.proxy(this.mousedown, this)
      });

    if (this.wheelviewmodenavigation) {
      if ($.fn.mousewheel) {
        this.picker.on({mousewheel: $.proxy(this.mousewheel, this)});
      } else {
        console.log('mouse wheel event is not supported. please include the jquery mouse wheel plugin before enabling this option');
      }
    }

    if (this.isinline) {
      this.picker.addclass('datetimepicker-inline');
    } else {
      this.picker.addclass('datetimepicker-dropdown-' + this.pickerposition + ' dropdown-menu');
    }
    if (this.isrtl) {
      this.picker.addclass('datetimepicker-rtl');
      var selector = this.bootcssver === 3 ? '.prev span, .next span' : '.prev i, .next i';
      this.picker.find(selector).toggleclass(this.icons.leftarrow + ' ' + this.icons.rightarrow);
    }

    $(document).on('mousedown touchend', this.clickedoutside);

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

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

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

    this.weekstart = 0;
    if (typeof options.weekstart !== 'undefined') {
      this.weekstart = options.weekstart;
    } else if (typeof this.element.data('date-weekstart') !== 'undefined') {
      this.weekstart = this.element.data('date-weekstart');
    } else if (typeof dates[this.language].weekstart !== 'undefined') {
      this.weekstart = dates[this.language].weekstart;
    }
    this.weekstart = this.weekstart % 7;
    this.weekend = ((this.weekstart + 6) % 7);
    this.onrenderday = function (date) {
      var render = (options.onrenderday || function () { return []; })(date);
      if (typeof render === 'string') {
        render = [render];
      }
      var res = ['day'];
      return res.concat((render ? render : []));
    };
    this.onrenderhour = function (date) {
      var render = (options.onrenderhour || function () { return []; })(date);
      var res = ['hour'];
      if (typeof render === 'string') {
        render = [render];
      }
      return res.concat((render ? render : []));
    };
    this.onrenderminute = function (date) {
      var render = (options.onrenderminute || function () { return []; })(date);
      var res = ['minute'];
      if (typeof render === 'string') {
        render = [render];
      }
      if (date < this.startdate || date > this.enddate) {
        res.push('disabled');
      } else if (math.floor(this.date.getutcminutes() / this.minutestep) === math.floor(date.getutcminutes() / this.minutestep)) {
        res.push('active');
      }
      return res.concat((render ? render : []));
    };
    this.onrenderyear = function (date) {
      var render = (options.onrenderyear || function () { return []; })(date);
      var res = ['year'];
      if (typeof render === 'string') {
        render = [render];
      }
      if (this.date.getutcfullyear() === date.getutcfullyear()) {
        res.push('active');
      }
      var currentyear = date.getutcfullyear();
      var endyear = this.enddate.getutcfullyear();
      if (date < this.startdate || currentyear > endyear) {
        res.push('disabled');
      }
      return res.concat((render ? render : []));
    }
    this.onrendermonth = function (date) {
      var render = (options.onrendermonth || function () { return []; })(date);
      var res = ['month'];
      if (typeof render === 'string') {
        render = [render];
      }
      return res.concat((render ? render : []));
    }
    this.startdate = new date(-8639968443048000);
    this.enddate = new date(8639968443048000);
    this.datesdisabled = [];
    this.daysofweekdisabled = [];
    this.setstartdate(options.startdate || this.element.data('date-startdate'));
    this.setenddate(options.enddate || this.element.data('date-enddate'));
    this.setdatesdisabled(options.datesdisabled || this.element.data('date-dates-disabled'));
    this.setdaysofweekdisabled(options.daysofweekdisabled || this.element.data('date-days-of-week-disabled'));
    this.setminutesdisabled(options.minutesdisabled || this.element.data('date-minute-disabled'));
    this.sethoursdisabled(options.hoursdisabled || this.element.data('date-hour-disabled'));
    this.filldow();
    this.fillmonths();
    this.update();
    this.showmode();

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

  datetimepicker.prototype = {
    constructor: datetimepicker,

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

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

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

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

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

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

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

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

    getinitialdate: function () {
      return this.initialdate
    },

    setinitialdate: function (initialdate) {
      this.initialdate = initialdate;
    },

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

    setutcdate: function (d) {
      if (d >= this.startdate && d <= this.enddate) {
        this.date = d;
        this.setvalue();
        this.viewdate = this.date;
        this.fill();
      } else {
        this.element.trigger({
          type:      'outofrange',
          date:      d,
          startdate: this.startdate,
          enddate:   this.enddate
        });
      }
    },

    setformat: function (format) {
      this.format = dpglobal.parseformat(format, this.formattype);
      var element;
      if (this.isinput) {
        element = this.element;
      } else if (this.component) {
        element = this.element.find('input');
      }
      if (element && element.val()) {
        this.setvalue();
      }
    },

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

    getformatteddate: function (format) {
      format = format || this.format;
      return dpglobal.formatdate(this.date, format, this.language, this.formattype, this.timezone);
    },

    setstartdate: function (startdate) {
      this.startdate = startdate || this.startdate;
      if (this.startdate.valueof() !== 8639968443048000) {
        this.startdate = dpglobal.parsedate(this.startdate, this.format, this.language, this.formattype, this.timezone);
      }
      this.update();
      this.updatenavarrows();
    },

    setenddate: function (enddate) {
      this.enddate = enddate || this.enddate;
      if (this.enddate.valueof() !== 8639968443048000) {
        this.enddate = dpglobal.parsedate(this.enddate, this.format, this.language, this.formattype, this.timezone);
      }
      this.update();
      this.updatenavarrows();
    },

    setdatesdisabled: function (datesdisabled) {
      this.datesdisabled = datesdisabled || [];
      if (!$.isarray(this.datesdisabled)) {
        this.datesdisabled = this.datesdisabled.split(/,\s*/);
      }
      var mthis = this;
      this.datesdisabled = $.map(this.datesdisabled, function (d) {
        return dpglobal.parsedate(d, mthis.format, mthis.language, mthis.formattype, mthis.timezone).todatestring();
      });
      this.update();
      this.updatenavarrows();
    },

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

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

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

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

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

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

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

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

      var bodywidth = document.body.clientwidth || window.innerwidth;
      if (left + 220 > bodywidth) {
        left = bodywidth - 220;
      }

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

      top = top - containeroffset.top;
      left = left - containeroffset.left;

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

    hour_minute: "^([0-9]|0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]",

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

      if (!date) {
        date = new date();
        fromargs = false;
      }

      if (typeof date === "string") {
        if (new regexp(this.hour_minute).test(date) || new regexp(this.hour_minute + ":[0-5][0-9]").test(date)) {
          date = this.getdate()
        }
      }

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

      if (fromargs) this.setvalue();

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

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

    fillmonths: function () {
      var html = '';
      var d = new date(this.viewdate);
      for (var i = 0; i < 12; i++) {
        d.setutcmonth(i);
        var classes = this.onrendermonth(d);
        html += '<span class="' + classes.join(' ') + '">' + dates[this.language].monthsshort[i] + '</span>';
      }
      this.picker.find('.datetimepicker-months td').html(html);
    },

    fill: function () {
      if (!this.date || !this.viewdate) {
        return;
      }
      var d = new date(this.viewdate),
        year = d.getutcfullyear(),
        month = d.getutcmonth(),
        daymonth = d.getutcdate(),
        hours = d.getutchours(),
        startyear = this.startdate.getutcfullyear(),
        startmonth = this.startdate.getutcmonth(),
        endyear = this.enddate.getutcfullyear(),
        endmonth = this.enddate.getutcmonth() + 1,
        currentdate = (new utcdate(this.date.getutcfullyear(), this.date.getutcmonth(), this.date.getutcdate())).valueof(),
        today = new date();
      this.settitle('.datetimepicker-days', dates[this.language].months[month] + ' ' + year)
      if (this.formatviewtype === 'time') {
        var formatted = this.getformatteddate();
        this.settitle('.datetimepicker-hours', formatted);
        this.settitle('.datetimepicker-minutes', formatted);
      } else {
        this.settitle('.datetimepicker-hours', daymonth + ' ' + dates[this.language].months[month] + ' ' + year);
        this.settitle('.datetimepicker-minutes', daymonth + ' ' + dates[this.language].months[month] + ' ' + year);
      }
      this.picker.find('tfoot th.today')
        .text(dates[this.language].today || dates['en'].today)
        .toggle(this.todaybtn !== false);
      this.picker.find('tfoot th.clear')
        .text(dates[this.language].clear || dates['en'].clear)
        .toggle(this.clearbtn !== false);
      this.updatenavarrows();
      this.fillmonths();
      var prevmonth = utcdate(year, month - 1, 28, 0, 0, 0, 0),
        day = dpglobal.getdaysinmonth(prevmonth.getutcfullyear(), prevmonth.getutcmonth());
      prevmonth.setutcdate(day);
      prevmonth.setutcdate(day - (prevmonth.getutcday() - this.weekstart + 7) % 7);
      var nextmonth = new date(prevmonth);
      nextmonth.setutcdate(nextmonth.getutcdate() + 42);
      nextmonth = nextmonth.valueof();
      var html = [];
      var classes;
      while (prevmonth.valueof() < nextmonth) {
        if (prevmonth.getutcday() === this.weekstart) {
          html.push('<tr>');
        }
        classes = this.onrenderday(prevmonth);
        if (prevmonth.getutcfullyear() < year || (prevmonth.getutcfullyear() === year && prevmonth.getutcmonth() < month)) {
          classes.push('old');
        } else if (prevmonth.getutcfullyear() > year || (prevmonth.getutcfullyear() === year && prevmonth.getutcmonth() > month)) {
          classes.push('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()) {
          classes.push('today');
        }
        if (prevmonth.valueof() === currentdate) {
          classes.push('active');
        }
        if ((prevmonth.valueof() + 86400000) <= this.startdate || prevmonth.valueof() > this.enddate ||
          $.inarray(prevmonth.getutcday(), this.daysofweekdisabled) !== -1 ||
          $.inarray(prevmonth.todatestring(), this.datesdisabled) !== -1) {
          classes.push('disabled');
        }
        html.push('<td class="' + classes.join(' ') + '">' + prevmonth.getutcdate() + '</td>');
        if (prevmonth.getutcday() === this.weekend) {
          html.push('</tr>');
        }
        prevmonth.setutcdate(prevmonth.getutcdate() + 1);
      }
      this.picker.find('.datetimepicker-days tbody').empty().append(html.join(''));

      html = [];
      var txt = '', meridian = '', meridianold = '';
      var hoursdisabled = this.hoursdisabled || [];
      d = new date(this.viewdate)
      for (var i = 0; i < 24; i++) {
        d.setutchours(i);
        classes = this.onrenderhour(d);
        if (hoursdisabled.indexof(i) !== -1) {
          classes.push('disabled');
        }
        var actual = utcdate(year, month, daymonth, i);
        // we want the previous hour for the startdate
        if ((actual.valueof() + 3600000) <= this.startdate || actual.valueof() > this.enddate) {
          classes.push('disabled');
        } else if (hours === i) {
          classes.push('active');
        }
        if (this.showmeridian && dates[this.language].meridiem.length === 2) {
          meridian = (i < 12 ? dates[this.language].meridiem[0] : dates[this.language].meridiem[1]);
          if (meridian !== meridianold) {
            if (meridianold !== '') {
              html.push('</fieldset>');
            }
            html.push('<fieldset class="hour"><legend>' + meridian.touppercase() + '</legend>');
          }
          meridianold = meridian;
          txt = (i % 12 ? i % 12 : 12);
          if (i < 12) {
            classes.push('hour_am');
          } else {
            classes.push('hour_pm');
          }
          html.push('<span class="' + classes.join(' ') + '">' + txt + '</span>');
          if (i === 23) {
            html.push('</fieldset>');
          }
        } else {
          txt = i + ':00';
          html.push('<span class="' + classes.join(' ') + '">' + txt + '</span>');
        }
      }
      this.picker.find('.datetimepicker-hours td').html(html.join(''));

      html = [];
      txt = '';
      meridian = '';
      meridianold = '';
      var minutesdisabled = this.minutesdisabled || [];
      d = new date(this.viewdate);
      for (var i = 0; i < 60; i += this.minutestep) {
        if (minutesdisabled.indexof(i) !== -1) continue;
        d.setutcminutes(i);
        d.setutcseconds(0);
        classes = this.onrenderminute(d);
        if (this.showmeridian && dates[this.language].meridiem.length === 2) {
          meridian = (hours < 12 ? dates[this.language].meridiem[0] : dates[this.language].meridiem[1]);
          if (meridian !== meridianold) {
            if (meridianold !== '') {
              html.push('</fieldset>');
            }
            html.push('<fieldset class="minute"><legend>' + meridian.touppercase() + '</legend>');
          }
          meridianold = meridian;
          txt = (hours % 12 ? hours % 12 : 12);
          html.push('<span class="' + classes.join(' ') + '">' + txt + ':' + (i < 10 ? '0' + i : i) + '</span>');
          if (i === 59) {
            html.push('</fieldset>');
          }
        } else {
          txt = i + ':00';
          html.push('<span class="' + classes.join(' ') + '">' + hours + ':' + (i < 10 ? '0' + i : i) + '</span>');
        }
      }
      this.picker.find('.datetimepicker-minutes td').html(html.join(''));

      var currentyear = this.date.getutcfullyear();
      var months = this.settitle('.datetimepicker-months', year)
        .end()
        .find('.month').removeclass('active');
      if (currentyear === year) {
        // getutcmonths() returns 0 based, and we need to select the next one
        // to cater bootstrap 2 we don't need to select the next one
        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).addclass('disabled');
      }

      html = '';
      year = parseint(year / 10, 10) * 10;
      var yearcont = this.settitle('.datetimepicker-years', year + '-' + (year + 9))
        .end()
        .find('td');
      year -= 1;
      d = new date(this.viewdate);
      for (var i = -1; i < 11; i++) {
        d.setutcfullyear(year);
        classes = this.onrenderyear(d);
        if (i === -1 || i === 10) {
          classes.push(old);
        }
        html += '<span class="' + classes.join(' ') + '">' + year + '</span>';
        year += 1;
      }
      yearcont.html(html);
      this.place();
    },

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

    mousewheel: function (e) {

      e.preventdefault();
      e.stoppropagation();

      if (this.wheelpause) {
        return;
      }

      this.wheelpause = true;

      var originalevent = e.originalevent;

      var delta = originalevent.wheeldelta;

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

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

      this.showmode(mode);

      settimeout($.proxy(function () {

        this.wheelpause = false

      }, this), this.wheelviewmodenavigationdelay);

    },

    click: function (e) {
      e.stoppropagation();
      e.preventdefault();
      var target = $(e.target).closest('span, td, th, legend');
      if (target.is('.' + this.icontype)) {
        target = $(target).parent().closest('span, td, th, legend');
      }
      if (target.length === 1) {
        if (target.is('.disabled')) {
          this.element.trigger({
            type:      'outofrange',
            date:      this.viewdate,
            startdate: this.startdate,
            enddate:   this.enddate
          });
          return;
        }
        switch (target[0].nodename.tolowercase()) {
          case 'th':
            switch (target[0].classname) {
              case 'switch':
                this.showmode(1);
                break;
              case 'prev':
              case 'next':
                var dir = dpglobal.modes[this.viewmode].navstep * (target[0].classname === 'prev' ? -1 : 1);
                switch (this.viewmode) {
                  case 0:
                    this.viewdate = this.movehour(this.viewdate, dir);
                    break;
                  case 1:
                    this.viewdate = this.movedate(this.viewdate, dir);
                    break;
                  case 2:
                    this.viewdate = this.movemonth(this.viewdate, dir);
                    break;
                  case 3:
                  case 4:
                    this.viewdate = this.moveyear(this.viewdate, dir);
                    break;
                }
                this.fill();
                this.element.trigger({
                  type:      target[0].classname + ':' + this.convertviewmodetext(this.viewmode),
                  date:      this.viewdate,
                  startdate: this.startdate,
                  enddate:   this.enddate
                });
                break;
              case 'clear':
                this.reset();
                if (this.autoclose) {
                  this.hide();
                }
                break;
              case 'today':
                var date = new date();
                date = utcdate(date.getfullyear(), date.getmonth(), date.getdate(), date.gethours(), date.getminutes(), date.getseconds(), 0);

                // respect startdate and enddate.
                if (date < this.startdate) date = this.startdate;
                else if (date > this.enddate) date = this.enddate;

                this.viewmode = this.startviewmode;
                this.showmode(0);
                this._setdate(date);
                this.fill();
                if (this.autoclose) {
                  this.hide();
                }
                break;
            }
            break;
          case 'span':
            if (!target.is('.disabled')) {
              var year = this.viewdate.getutcfullyear(),
                month = this.viewdate.getutcmonth(),
                day = this.viewdate.getutcdate(),
                hours = this.viewdate.getutchours(),
                minutes = this.viewdate.getutcminutes(),
                seconds = this.viewdate.getutcseconds();

              if (target.is('.month')) {
                this.viewdate.setutcdate(1);
                month = target.parent().find('span').index(target);
                day = this.viewdate.getutcdate();
                this.viewdate.setutcmonth(month);
                this.element.trigger({
                  type: 'changemonth',
                  date: this.viewdate
                });
                if (this.viewselect >= 3) {
                  this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                }
              } else if (target.is('.year')) {
                this.viewdate.setutcdate(1);
                year = parseint(target.text(), 10) || 0;
                this.viewdate.setutcfullyear(year);
                this.element.trigger({
                  type: 'changeyear',
                  date: this.viewdate
                });
                if (this.viewselect >= 4) {
                  this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                }
              } else if (target.is('.hour')) {
                hours = parseint(target.text(), 10) || 0;
                if (target.hasclass('hour_am') || target.hasclass('hour_pm')) {
                  if (hours === 12 && target.hasclass('hour_am')) {
                    hours = 0;
                  } else if (hours !== 12 && target.hasclass('hour_pm')) {
                    hours += 12;
                  }
                }
                this.viewdate.setutchours(hours);
                this.element.trigger({
                  type: 'changehour',
                  date: this.viewdate
                });
                if (this.viewselect >= 1) {
                  this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                }
              } else if (target.is('.minute')) {
                minutes = parseint(target.text().substr(target.text().indexof(':') + 1), 10) || 0;
                this.viewdate.setutcminutes(minutes);
                this.element.trigger({
                  type: 'changeminute',
                  date: this.viewdate
                });
                if (this.viewselect >= 0) {
                  this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
                }
              }
              if (this.viewmode !== 0) {
                var oldviewmode = this.viewmode;
                this.showmode(-1);
                this.fill();
                if (oldviewmode === this.viewmode && this.autoclose) {
                  this.hide();
                }
              } else {
                this.fill();
                if (this.autoclose) {
                  this.hide();
                }
              }
            }
            break;
          case 'td':
            if (target.is('.day') && !target.is('.disabled')) {
              var day = parseint(target.text(), 10) || 1;
              var year = this.viewdate.getutcfullyear(),
                month = this.viewdate.getutcmonth(),
                hours = this.viewdate.getutchours(),
                minutes = this.viewdate.getutcminutes(),
                seconds = this.viewdate.getutcseconds();
              if (target.is('.old')) {
                if (month === 0) {
                  month = 11;
                  year -= 1;
                } else {
                  month -= 1;
                }
              } else if (target.is('.new')) {
                if (month === 11) {
                  month = 0;
                  year += 1;
                } else {
                  month += 1;
                }
              }
              this.viewdate.setutcfullyear(year);
              this.viewdate.setutcmonth(month, day);
              this.element.trigger({
                type: 'changeday',
                date: this.viewdate
              });
              if (this.viewselect >= 2) {
                this._setdate(utcdate(year, month, day, hours, minutes, seconds, 0));
              }
            }
            var oldviewmode = this.viewmode;
            this.showmode(-1);
            this.fill();
            if (oldviewmode === this.viewmode && this.autoclose) {
              this.hide();
            }
            break;
        }
      }
    },

    _setdate: function (date, which) {
      if (!which || which === 'date')
        this.date = date;
      if (!which || which === 'view')
        this.viewdate = date;
      this.fill();
      this.setvalue();
      var element;
      if (this.isinput) {
        element = this.element;
      } else if (this.component) {
        element = this.element.find('input');
      }
      if (element) {
        element.change();
      }
      this.element.trigger({
        type: 'changedate',
        date: this.getdate()
      });
      if(date === null)
        this.date = this.viewdate;
    },

    moveminute: function (date, dir) {
      if (!dir) return date;
      var new_date = new date(date.valueof());
      //dir = dir > 0 ? 1 : -1;
      new_date.setutcminutes(new_date.getutcminutes() + (dir * this.minutestep));
      return new_date;
    },

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

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

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

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

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

    keydown: function (e) {
      if (this.picker.is(':not(:visible)')) {
        if (e.keycode === 27) // allow escape to hide and re-show picker
          this.show();
        return;
      }
      var datechanged = false,
        dir, 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;
          var viewmode = this.viewmode;
          if (e.ctrlkey) {
            viewmode += 2;
          } else if (e.shiftkey) {
            viewmode += 1;
          }
          if (viewmode === 4) {
            newdate = this.moveyear(this.date, dir);
            newviewdate = this.moveyear(this.viewdate, dir);
          } else if (viewmode === 3) {
            newdate = this.movemonth(this.date, dir);
            newviewdate = this.movemonth(this.viewdate, dir);
          } else if (viewmode === 2) {
            newdate = this.movedate(this.date, dir);
            newviewdate = this.movedate(this.viewdate, dir);
          } else if (viewmode === 1) {
            newdate = this.movehour(this.date, dir);
            newviewdate = this.movehour(this.viewdate, dir);
          } else if (viewmode === 0) {
            newdate = this.moveminute(this.date, dir);
            newviewdate = this.moveminute(this.viewdate, dir);
          }
          if (this.datewithinrange(newdate)) {
            this.date = newdate;
            this.viewdate = newviewdate;
            this.setvalue();
            this.update();
            e.preventdefault();
            datechanged = true;
          }
          break;
        case 38: // up
        case 40: // down
          if (!this.keyboardnavigation) break;
          dir = e.keycode === 38 ? -1 : 1;
          viewmode = this.viewmode;
          if (e.ctrlkey) {
            viewmode += 2;
          } else if (e.shiftkey) {
            viewmode += 1;
          }
          if (viewmode === 4) {
            newdate = this.moveyear(this.date, dir);
            newviewdate = this.moveyear(this.viewdate, dir);
          } else if (viewmode === 3) {
            newdate = this.movemonth(this.date, dir);
            newviewdate = this.movemonth(this.viewdate, dir);
          } else if (viewmode === 2) {
            newdate = this.movedate(this.date, dir * 7);
            newviewdate = this.movedate(this.viewdate, dir * 7);
          } else if (viewmode === 1) {
            if (this.showmeridian) {
              newdate = this.movehour(this.date, dir * 6);
              newviewdate = this.movehour(this.viewdate, dir * 6);
            } else {
              newdate = this.movehour(this.date, dir * 4);
              newviewdate = this.movehour(this.viewdate, dir * 4);
            }
          } else if (viewmode === 0) {
            newdate = this.moveminute(this.date, dir * 4);
            newviewdate = this.moveminute(this.viewdate, dir * 4);
          }
          if (this.datewithinrange(newdate)) {
            this.date = newdate;
            this.viewdate = newviewdate;
            this.setvalue();
            this.update();
            e.preventdefault();
            datechanged = true;
          }
          break;
        case 13: // enter
          if (this.viewmode !== 0) {
            var oldviewmode = this.viewmode;
            this.showmode(-1);
            this.fill();
            if (oldviewmode === this.viewmode && this.autoclose) {
              this.hide();
            }
          } else {
            this.fill();
            if (this.autoclose) {
              this.hide();
            }
          }
          e.preventdefault();
          break;
        case 9: // tab
          this.hide();
          break;
      }
      if (datechanged) {
        var element;
        if (this.isinput) {
          element = this.element;
        } else if (this.component) {
          element = this.element.find('input');
        }
        if (element) {
          element.change();
        }
        this.element.trigger({
          type: 'changedate',
          date: this.getdate()
        });
      }
    },

    showmode: function (dir) {
      if (dir) {
        var newviewmode = math.max(0, math.min(dpglobal.modes.length - 1, this.viewmode + dir));
        if (newviewmode >= this.minview && newviewmode <= this.maxview) {
          this.element.trigger({
            type:        'changemode',
            date:        this.viewdate,
            oldviewmode: this.viewmode,
            newviewmode: newviewmode
          });

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

       in jquery 1.7.2+ everything works fine.
       */
      //this.picker.find('>div').hide().filter('.datetimepicker-'+dpglobal.modes[this.viewmode].clsname).show();
      this.picker.find('>div').hide().filter('.datetimepicker-' + dpglobal.modes[this.viewmode].clsname).css('display', 'block');
      this.updatenavarrows();
    },

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

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

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

  $.fn.datetimepicker.defaults = {
  };
  $.fn.datetimepicker.constructor = datetimepicker;
  var dates = $.fn.datetimepicker.dates = {
    en: {
      days:        ['sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday'],
      daysshort:   ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun'],
      daysmin:     ['su', 'mo', 'tu', 'we', 'th', 'fr', 'sa', 'su'],
      months:      ['january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december'],
      monthsshort: ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'],
      meridiem:    ['am', 'pm'],
      suffix:      ['st', 'nd', 'rd', 'th'],
      today:       'today',
      clear:       'clear'
    }
  };

  var dpglobal = {
    modes:            [
      {
        clsname: 'minutes',
        navfnc:  'hours',
        navstep: 1
      },
      {
        clsname: 'hours',
        navfnc:  'date',
        navstep: 1
      },
      {
        clsname: 'days',
        navfnc:  'month',
        navstep: 1
      },
      {
        clsname: 'months',
        navfnc:  'fullyear',
        navstep: 1
      },
      {
        clsname: 'years',
        navfnc:  'fullyear',
        navstep: 10
      }
    ],
    isleapyear:       function (year) {
      return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0))
    },
    getdaysinmonth:   function (year, month) {
      return [31, (dpglobal.isleapyear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month]
    },
    getdefaultformat: function (type, field) {
      if (type === 'standard') {
        if (field === 'input')
          return 'yyyy-mm-dd hh:ii';
        else
          return 'yyyy-mm-dd hh:ii:ss';
      } else if (type === 'php') {
        if (field === 'input')
          return 'y-m-d h:i';
        else
          return 'y-m-d h:i:s';
      } else {
        throw new error('invalid format type.');
      }
    },
    validparts: function (type) {
      if (type === 'standard') {
        return /t|hh?|hh?|p|p|z|z|ii?|ss?|dd?|dd?|mm?|mm?|yy(?:yy)?/g;
      } else if (type === 'php') {
        return /[ddjlnwzfmmnstyyaabgghhis]/g;
      } else {
        throw new error('invalid format type.');
      }
    },
    nonpunctuation: /[^ -\/:-@\[-`{-~\t\n\rtz]+/g,
    parseformat: function (format, type) {
      // ie treats \0 as a string end in inputs (truncating the value),
      // so it's a bad format delimiter, anyway
      var separators = format.replace(this.validparts(type), '\0').split('\0'),
        parts = format.match(this.validparts(type));
      if (!separators || !separators.length || !parts || parts.length === 0) {
        throw new error('invalid date format.');
      }
      return {separators: separators, parts: parts};
    },
    parsedate: function (date, format, language, type, timezone) {
      if (date instanceof date) {
        var dateutc = new date(date.valueof() - date.gettimezoneoffset() * 60000);
        dateutc.setmilliseconds(0);
        return dateutc;
      }
      if (/^\d{4}\-\d{1,2}\-\d{1,2}$/.test(date)) {
        format = this.parseformat('yyyy-mm-dd', type);
      }
      if (/^\d{4}\-\d{1,2}\-\d{1,2}[t ]\d{1,2}\:\d{1,2}$/.test(date)) {
        format = this.parseformat('yyyy-mm-dd hh:ii', type);
      }
      if (/^\d{4}\-\d{1,2}\-\d{1,2}[t ]\d{1,2}\:\d{1,2}\:\d{1,2}[z]{0,1}$/.test(date)) {
        format = this.parseformat('yyyy-mm-dd hh:ii:ss', type);
      }
      if (/^[-+]\d+[dmwy]([\s,]+[-+]\d+[dmwy])*$/.test(date)) {
        var part_re = /([-+]\d+)([dmwy])/,
          parts = date.match(/([-+]\d+)([dmwy])/g),
          part, dir;
        date = new date();
        for (var i = 0; i < parts.length; i++) {
          part = part_re.exec(parts[i]);
          dir = parseint(part[1]);
          switch (part[2]) {
            case 'd':
              date.setutcdate(date.getutcdate() + dir);
              break;
            case 'm':
              date = datetimepicker.prototype.movemonth.call(datetimepicker.prototype, date, dir);
              break;
            case 'w':
              date.setutcdate(date.getutcdate() + dir * 7);
              break;
            case 'y':
              date = datetimepicker.prototype.moveyear.call(datetimepicker.prototype, date, dir);
              break;
          }
        }
        return utcdate(date.getutcfullyear(), date.getutcmonth(), date.getutcdate(), date.getutchours(), date.getutcminutes(), date.getutcseconds(), 0);
      }
      var parts = date && date.tostring().match(this.nonpunctuation) || [],
        date = new date(0, 0, 0, 0, 0, 0, 0),
        parsed = {},
        setters_order = ['hh', 'h', 'ii', 'i', 'ss', 's', 'yyyy', 'yy', 'm', 'mm', 'm', 'mm', 'd', 'dd', 'd', 'dd', 'h', 'hh', 'p', 'p', 'z', 'z'],
        setters_map = {
          hh:   function (d, v) {
            return d.setutchours(v);
          },
          h:    function (d, v) {
            return d.setutchours(v);
          },
          hh:   function (d, v) {
            return d.setutchours(v === 12 ? 0 : v);
          },
          h:    function (d, v) {
            return d.setutchours(v === 12 ? 0 : v);
          },
          ii:   function (d, v) {
            return d.setutcminutes(v);
          },
          i:    function (d, v) {
            return d.setutcminutes(v);
          },
          ss:   function (d, v) {
            return d.setutcseconds(v);
          },
          s:    function (d, v) {
            return d.setutcseconds(v);
          },
          yyyy: function (d, v) {
            return d.setutcfullyear(v);
          },
          yy:   function (d, v) {
            return d.setutcfullyear(2000 + v);
          },
          m:    function (d, v) {
            v -= 1;
            while (v < 0) v += 12;
            v %= 12;
            d.setutcmonth(v);
            while (d.getutcmonth() !== v)
              if (isnan(d.getutcmonth()))
                return d;
              else
                d.setutcdate(d.getutcdate() - 1);
            return d;
          },
          d:    function (d, v) {
            return d.setutcdate(v);
          },
          p:    function (d, v) {
            return d.setutchours(v === 1 ? d.getutchours() + 12 : d.getutchours());
          },
          z:    function () {
            return timezone
          }
        },
        val, filtered, part;
      setters_map['m'] = setters_map['mm'] = setters_map['mm'] = setters_map['m'];
      setters_map['dd'] = setters_map['d'];
      setters_map['p'] = setters_map['p'];
      setters_map['z'] = setters_map['z'];
      date = utcdate(date.getfullyear(), date.getmonth(), date.getdate(), date.gethours(), date.getminutes(), date.getseconds());
      if (parts.length === format.parts.length) {
        for (var i = 0, cnt = format.parts.length; i < cnt; i++) {
          val = parseint(parts[i], 10);
          part = format.parts[i];
          if (isnan(val)) {
            switch (part) {
              case 'mm':
                filtered = $(dates[language].months).filter(function () {
                  var m = this.slice(0, parts[i].length),
                    p = parts[i].slice(0, m.length);
                  return m === p;
                });
                val = $.inarray(filtered[0], dates[language].months) + 1;
                break;
              case 'm':
                filtered = $(dates[language].monthsshort).filter(function () {
                  var m = this.slice(0, parts[i].length),
                    p = parts[i].slice(0, m.length);
                  return m.tolowercase() === p.tolowercase();
                });
                val = $.inarray(filtered[0], dates[language].monthsshort) + 1;
                break;
              case 'p':
              case 'p':
                val = $.inarray(parts[i].tolowercase(), dates[language].meridiem);
                break;
              case 'z':
              case 'z':
                timezone;
                break;

            }
          }
          parsed[part] = val;
        }
        for (var i = 0, s; i < setters_order.length; i++) {
          s = setters_order[i];
          if (s in parsed && !isnan(parsed[s]))
            setters_map[s](date, parsed[s])
        }
      }
      return date;
    },
    formatdate:       function (date, format, language, type, timezone) {
      if (date === null) {
        return '';
      }
      var val;
      if (type === 'standard') {
        val = {
          t:    date.gettime(),
          // year
          yy:   date.getutcfullyear().tostring().substring(2),
          yyyy: date.getutcfullyear(),
          // month
          m:    date.getutcmonth() + 1,
          m:    dates[language].monthsshort[date.getutcmonth()],
          mm:   dates[language].months[date.getutcmonth()],
          // day
          d:    date.getutcdate(),
          d:    dates[language].daysshort[date.getutcday()],
          dd:   dates[language].days[date.getutcday()],
          p:    (dates[language].meridiem.length === 2 ? dates[language].meridiem[date.getutchours() < 12 ? 0 : 1] : ''),
          // hour
          h:    date.getutchours(),
          // minute
          i:    date.getutcminutes(),
          // second
          s:    date.getutcseconds(),
          // timezone
          z:    timezone
        };

        if (dates[language].meridiem.length === 2) {
          val.h = (val.h % 12 === 0 ? 12 : val.h % 12);
        }
        else {
          val.h = val.h;
        }
        val.hh = (val.h < 10 ? '0' : '') + val.h;
        val.p = val.p.touppercase();
        val.z = val.z;
        val.hh = (val.h < 10 ? '0' : '') + val.h;
        val.ii = (val.i < 10 ? '0' : '') + val.i;
        val.ss = (val.s < 10 ? '0' : '') + val.s;
        val.dd = (val.d < 10 ? '0' : '') + val.d;
        val.mm = (val.m < 10 ? '0' : '') + val.m;
      } else if (type === 'php') {
        // php format
        val = {
          // year
          y: date.getutcfullyear().tostring().substring(2),
          y: date.getutcfullyear(),
          // month
          f: dates[language].months[date.getutcmonth()],
          m: dates[language].monthsshort[date.getutcmonth()],
          n: date.getutcmonth() + 1,
          t: dpglobal.getdaysinmonth(date.getutcfullyear(), date.getutcmonth()),
          // day
          j: date.getutcdate(),
          l: dates[language].days[date.getutcday()],
          d: dates[language].daysshort[date.getutcday()],
          w: date.getutcday(), // 0 -> 6
          n: (date.getutcday() === 0 ? 7 : date.getutcday()),       // 1 -> 7
          s: (date.getutcdate() % 10 <= dates[language].suffix.length ? dates[language].suffix[date.getutcdate() % 10 - 1] : ''),
          // hour
          a: (dates[language].meridiem.length === 2 ? dates[language].meridiem[date.getutchours() < 12 ? 0 : 1] : ''),
          g: (date.getutchours() % 12 === 0 ? 12 : date.getutchours() % 12),
          g: date.getutchours(),
          // minute
          i: date.getutcminutes(),
          // second
          s: date.getutcseconds()
        };
        val.m = (val.n < 10 ? '0' : '') + val.n;
        val.d = (val.j < 10 ? '0' : '') + val.j;
        val.a = val.a.tostring().touppercase();
        val.h = (val.g < 10 ? '0' : '') + val.g;
        val.h = (val.g < 10 ? '0' : '') + val.g;
        val.i = (val.i < 10 ? '0' : '') + val.i;
        val.s = (val.s < 10 ? '0' : '') + val.s;
      } else {
        throw new error('invalid format type.');
      }
      var date = [],
        seps = $.extend([], format.separators);
      for (var i = 0, cnt = format.parts.length; i < cnt; i++) {
        if (seps.length) {
          date.push(seps.shift());
        }
        date.push(val[format.parts[i]]);
      }
      if (seps.length) {
        date.push(seps.shift());
      }
      return date.join('');
    },
    convertviewmode:  function (viewmode) {
      switch (viewmode) {
        case 4:
        case 'decade':
          viewmode = 4;
          break;
        case 3:
        case 'year':
          viewmode = 3;
          break;
        case 2:
        case 'month':
          viewmode = 2;
          break;
        case 1:
        case 'day':
          viewmode = 1;
          break;
        case 0:
        case 'hour':
          viewmode = 0;
          break;
      }

      return viewmode;
    },
    headtemplate: '<thead>' +
                '<tr>' +
                '<th class="prev"><i class="{icontype} {leftarrow}"/></th>' +
                '<th colspan="5" class="switch"></th>' +
                '<th class="next"><i class="{icontype} {rightarrow}"/></th>' +
                '</tr>' +
      '</thead>',
    headtemplatev3: '<thead>' +
                '<tr>' +
                '<th class="prev"><span class="{icontype} {leftarrow}"></span> </th>' +
                '<th colspan="5" class="switch"></th>' +
                '<th class="next"><span class="{icontype} {rightarrow}"></span> </th>' +
                '</tr>' +
      '</thead>',
    conttemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
    foottemplate: '<tfoot>' + 
                    '<tr><th colspan="7" class="today"></th></tr>' +
                    '<tr><th colspan="7" class="clear"></th></tr>' +
                  '</tfoot>'
  };
  dpglobal.template = '<div class="datetimepicker">' +
    '<div class="datetimepicker-minutes">' +
    '<table class=" table-condensed">' +
    dpglobal.headtemplate +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-hours">' +
    '<table class=" table-condensed">' +
    dpglobal.headtemplate +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-days">' +
    '<table class=" table-condensed">' +
    dpglobal.headtemplate +
    '<tbody></tbody>' +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-months">' +
    '<table class="table-condensed">' +
    dpglobal.headtemplate +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-years">' +
    '<table class="table-condensed">' +
    dpglobal.headtemplate +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '</div>';
  dpglobal.templatev3 = '<div class="datetimepicker">' +
    '<div class="datetimepicker-minutes">' +
    '<table class=" table-condensed">' +
    dpglobal.headtemplatev3 +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-hours">' +
    '<table class=" table-condensed">' +
    dpglobal.headtemplatev3 +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-days">' +
    '<table class=" table-condensed">' +
    dpglobal.headtemplatev3 +
    '<tbody></tbody>' +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-months">' +
    '<table class="table-condensed">' +
    dpglobal.headtemplatev3 +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '<div class="datetimepicker-years">' +
    '<table class="table-condensed">' +
    dpglobal.headtemplatev3 +
    dpglobal.conttemplate +
    dpglobal.foottemplate +
    '</table>' +
    '</div>' +
    '</div>';
  $.fn.datetimepicker.dpglobal = dpglobal;

  /* datetimepicker no conflict
   * =================== */

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

  /* datetimepicker data-api
   * ================== */

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

}));