bootstrap-select.js

(function ($) {
  'use strict';

  //<editor-fold desc="Shims">
  if (!String.prototype.includes) {
    (function () {
      'use strict'; // needed to support `apply`/`call` with `undefined`/`null`
      var toString = {}.toString;
      var defineProperty = (function () {
        // IE 8 only supports `Object.defineProperty` on DOM elements
        try {
          var object = {};
          var $defineProperty = Object.defineProperty;
          var result = $defineProperty(object, object, object) && $defineProperty;
        } catch (error) {
        }
        return result;
      }());
      var indexOf = ''.indexOf;
      var includes = function (search) {
        if (this == null) {
          throw new TypeError();
        }
        var string = String(this);
        if (search && toString.call(search) == '[object RegExp]') {
          throw new TypeError();
        }
        var stringLength = string.length;
        var searchString = String(search);
        var searchLength = searchString.length;
        var position = arguments.length > 1 ? arguments[1] : undefined;
        // `ToInteger`
        var pos = position ? Number(position) : 0;
        if (pos != pos) { // better `isNaN`
          pos = 0;
        }
        var start = Math.min(Math.max(pos, 0), stringLength);
        // Avoid the `indexOf` call if no match is possible
        if (searchLength + start > stringLength) {
          return false;
        }
        return indexOf.call(string, searchString, pos) != -1;
      };
      if (defineProperty) {
        defineProperty(String.prototype, 'includes', {
          'value': includes,
          'configurable': true,
          'writable': true
        });
      } else {
        String.prototype.includes = includes;
      }
    }());
  }

  if (!String.prototype.startsWith) {
    (function () {
      'use strict'; // needed to support `apply`/`call` with `undefined`/`null`
      var defineProperty = (function () {
        // IE 8 only supports `Object.defineProperty` on DOM elements
        try {
          var object = {};
          var $defineProperty = Object.defineProperty;
          var result = $defineProperty(object, object, object) && $defineProperty;
        } catch (error) {
        }
        return result;
      }());
      var toString = {}.toString;
      var startsWith = function (search) {
        if (this == null) {
          throw new TypeError();
        }
        var string = String(this);
        if (search && toString.call(search) == '[object RegExp]') {
          throw new TypeError();
        }
        var stringLength = string.length;
        var searchString = String(search);
        var searchLength = searchString.length;
        var position = arguments.length > 1 ? arguments[1] : undefined;
        // `ToInteger`
        var pos = position ? Number(position) : 0;
        if (pos != pos) { // better `isNaN`
          pos = 0;
        }
        var start = Math.min(Math.max(pos, 0), stringLength);
        // Avoid the `indexOf` call if no match is possible
        if (searchLength + start > stringLength) {
          return false;
        }
        var index = -1;
        while (++index < searchLength) {
          if (string.charCodeAt(start + index) != searchString.charCodeAt(index)) {
            return false;
          }
        }
        return true;
      };
      if (defineProperty) {
        defineProperty(String.prototype, 'startsWith', {
          'value': startsWith,
          'configurable': true,
          'writable': true
        });
      } else {
        String.prototype.startsWith = startsWith;
      }
    }());
  }

  if (!Object.keys) {
    Object.keys = function (
      o, // object
      k, // key
      r  // result array
      ){
      // initialize object and result
      r=[];
      // iterate over object keys
      for (k in o)
          // fill result array with non-prototypical keys
        r.hasOwnProperty.call(o, k) && r.push(k);
      // return result
      return r;
    };
  }

  // set data-selected on select element if the value has been programmatically selected
  // prior to initialization of bootstrap-select
  // * consider removing or replacing an alternative method *
  var valHooks = {
    useDefault: false,
    _set: $.valHooks.select.set
  };

  $.valHooks.select.set = function(elem, value) {
    if (value && !valHooks.useDefault) $(elem).data('selected', true);

    return valHooks._set.apply(this, arguments);
  };

  var changed_arguments = null;

  var EventIsSupported = (function() {
    try {
      new Event('change');
      return true;
    } catch (e) {
      return false;
    }
  })();

  $.fn.triggerNative = function (eventName) {
    var el = this[0],
        event;

    if (el.dispatchEvent) { // for modern browsers & IE9+
      if (EventIsSupported) {
        // For modern browsers
        event = new Event(eventName, {
          bubbles: true
        });
      } else {
        // For IE since it doesn't support Event constructor
        event = document.createEvent('Event');
        event.initEvent(eventName, true, false);
      }

      el.dispatchEvent(event);
    } else if (el.fireEvent) { // for IE8
      event = document.createEventObject();
      event.eventType = eventName;
      el.fireEvent('on' + eventName, event);
    } else {
      // fall back to jQuery.trigger
      this.trigger(eventName);
    }
  };
  //</editor-fold>

  // Case insensitive contains search
  $.expr.pseudos.icontains = function (obj, index, meta) {
    var $obj = $(obj).find('a');
    var haystack = ($obj.data('tokens') || $obj.text()).toString().toUpperCase();
    return haystack.includes(meta[3].toUpperCase());
  };

  // Case insensitive begins search
  $.expr.pseudos.ibegins = function (obj, index, meta) {
    var $obj = $(obj).find('a');
    var haystack = ($obj.data('tokens') || $obj.text()).toString().toUpperCase();
    return haystack.startsWith(meta[3].toUpperCase());
  };

  // Case and accent insensitive contains search
  $.expr.pseudos.aicontains = function (obj, index, meta) {
    var $obj = $(obj).find('a');
    var haystack = ($obj.data('tokens') || $obj.data('normalizedText') || $obj.text()).toString().toUpperCase();
    return haystack.includes(meta[3].toUpperCase());
  };

  // Case and accent insensitive begins search
  $.expr.pseudos.aibegins = function (obj, index, meta) {
    var $obj = $(obj).find('a');
    var haystack = ($obj.data('tokens') || $obj.data('normalizedText') || $obj.text()).toString().toUpperCase();
    return haystack.startsWith(meta[3].toUpperCase());
  };

  /**
   * Remove all diatrics from the given text.
   * @access private
   * @param {String} text
   * @returns {String}
   */
  function normalizeToBase(text) {
    var rExps = [
      {re: /[\xC0-\xC6]/g, ch: "A"},
      {re: /[\xE0-\xE6]/g, ch: "a"},
      {re: /[\xC8-\xCB]/g, ch: "E"},
      {re: /[\xE8-\xEB]/g, ch: "e"},
      {re: /[\xCC-\xCF]/g, ch: "I"},
      {re: /[\xEC-\xEF]/g, ch: "i"},
      {re: /[\xD2-\xD6]/g, ch: "O"},
      {re: /[\xF2-\xF6]/g, ch: "o"},
      {re: /[\xD9-\xDC]/g, ch: "U"},
      {re: /[\xF9-\xFC]/g, ch: "u"},
      {re: /[\xC7-\xE7]/g, ch: "c"},
      {re: /[\xD1]/g, ch: "N"},
      {re: /[\xF1]/g, ch: "n"}
    ];
    $.each(rExps, function () {
      text = text ? text.replace(this.re, this.ch) : '';
    });
    return text;
  }


  // List of HTML entities for escaping.
  var escapeMap = {
    '&': '&amp;',
    '<': '&lt;',
    '>': '&gt;',
    '"': '&quot;',
    "'": '&#x27;',
    '`': '&#x60;'
  };
  
  var unescapeMap = {
    '&amp;': '&',
    '&lt;': '<',
    '&gt;': '>',
    '&quot;': '"',
    '&#x27;': "'",
    '&#x60;': '`'
  };

  // Functions for escaping and unescaping strings to/from HTML interpolation.
  var createEscaper = function(map) {
    var escaper = function(match) {
      return map[match];
    };
    // Regexes for identifying a key that needs to be escaped.
    var source = '(?:' + Object.keys(map).join('|') + ')';
    var testRegexp = RegExp(source);
    var replaceRegexp = RegExp(source, 'g');
    return function(string) {
      string = string == null ? '' : '' + string;
      return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
    };
  };

  var htmlEscape = createEscaper(escapeMap);
  var htmlUnescape = createEscaper(unescapeMap);

  var Selectpicker = function (element, options) {
    // bootstrap-select has been initialized - revert valHooks.select.set back to its original function
    if (!valHooks.useDefault) {
      $.valHooks.select.set = valHooks._set;
      valHooks.useDefault = true;
    }

    this.$element = $(element);
    this.$newElement = null;
    this.$button = null;
    this.$menu = null;
    this.$lis = null;
    this.options = options;

    // If we have no title yet, try to pull it from the html title attribute (jQuery doesnt' pick it up as it's not a
    // data-attribute)
    if (this.options.title === null) {
      this.options.title = this.$element.attr('title');
    }

    // Format window padding
    var winPad = this.options.windowPadding;
    if (typeof winPad === 'number') {
      this.options.windowPadding = [winPad, winPad, winPad, winPad];
    }

    //Expose public methods
    this.val = Selectpicker.prototype.val;
    this.render = Selectpicker.prototype.render;
    this.refresh = Selectpicker.prototype.refresh;
    this.setStyle = Selectpicker.prototype.setStyle;
    this.selectAll = Selectpicker.prototype.selectAll;
    this.deselectAll = Selectpicker.prototype.deselectAll;
    this.destroy = Selectpicker.prototype.destroy;
    this.remove = Selectpicker.prototype.remove;
    this.show = Selectpicker.prototype.show;
    this.hide = Selectpicker.prototype.hide;

    this.init();
  };

  Selectpicker.VERSION = '1.12.4';

  // part of this is duplicated in i18n/defaults-en_US.js. Make sure to update both.
  Selectpicker.DEFAULTS = {
    noneSelectedText: 'Nothing selected',
    noneResultsText: 'No results matched {0}',
    countSelectedText: function (numSelected, numTotal) {
      return (numSelected == 1) ? "{0} item selected" : "{0} items selected";
    },
    maxOptionsText: function (numAll, numGroup) {
      return [
        (numAll == 1) ? 'Limit reached ({n} item max)' : 'Limit reached ({n} items max)',
        (numGroup == 1) ? 'Group limit reached ({n} item max)' : 'Group limit reached ({n} items max)'
      ];
    },
    selectAllText: 'Select All',
    deselectAllText: 'Deselect All',
    doneButton: false,
    doneButtonText: 'Close',
    multipleSeparator: ', ',
    styleBase: 'btn',
    style: 'btn-default',
    size: 'auto',
    title: null,
    selectedTextFormat: 'values',
    width: false,
    container: false,
    hideDisabled: false,
    showSubtext: false,
    showIcon: true,
    showContent: true,
    dropupAuto: true,
    header: false,
    liveSearch: false,
    liveSearchPlaceholder: null,
    liveSearchNormalize: false,
    liveSearchStyle: 'contains',
    actionsBox: false,
    iconBase: 'glyphicon',
    tickIcon: 'glyphicon-ok',
    showTick: false,
    template: {
      caret: '<span class="caret"></span>'
    },
    maxOptions: false,
    mobile: false,
    selectOnTab: false,
    dropdownAlignRight: false,
    windowPadding: 0
  };

  Selectpicker.prototype = {

    constructor: Selectpicker,

    init: function () {
      var that = this,
          id = this.$element.attr('id');

      this.$element.addClass('bs-select-hidden');

      // store originalIndex (key) and newIndex (value) in this.liObj for fast accessibility
      // allows us to do this.$lis.eq(that.liObj[index]) instead of this.$lis.filter('[data-original-index="' + index + '"]')
      this.liObj = {};
      this.multiple = this.$element.prop('multiple');
      this.autofocus = this.$element.prop('autofocus');
      this.$newElement = this.createView();
      this.$element
        .after(this.$newElement)
        .appendTo(this.$newElement);
      this.$button = this.$newElement.children('button');
      this.$menu = this.$newElement.children('.dropdown-menu');
      this.$menuInner = this.$menu.children('.inner');
      this.$searchbox = this.$menu.find('input');

      this.$element.removeClass('bs-select-hidden');

      if (this.options.dropdownAlignRight === true) this.$menu.addClass('dropdown-menu-right');

      if (typeof id !== 'undefined') {
        this.$button.attr('data-id', id);
        $('label[for="' + id + '"]').click(function (e) {
          e.preventDefault();
          that.$button.focus();
        });
      }

      this.checkDisabled();
      this.clickListener();
      if (this.options.liveSearch) this.liveSearchListener();
      this.render();
      this.setStyle();
      this.setWidth();
      if (this.options.container) this.selectPosition();
      this.$menu.data('this', this);
      this.$newElement.data('this', this);
      if (this.options.mobile) this.mobile();

      this.$newElement.on({
        'hide.bs.dropdown': function (e) {
          that.$menuInner.attr('aria-expanded', false);
          that.$element.trigger('hide.bs.select', e);
        },
        'hidden.bs.dropdown': function (e) {
          that.$element.trigger('hidden.bs.select', e);
        },
        'show.bs.dropdown': function (e) {
          that.$menuInner.attr('aria-expanded', true);
          that.$element.trigger('show.bs.select', e);
        },
        'shown.bs.dropdown': function (e) {
          that.$element.trigger('shown.bs.select', e);
        }
      });

      if (that.$element[0].hasAttribute('required')) {
        this.$element.on('invalid', function () {
          that.$button.addClass('bs-invalid');

          that.$element.on({
            'focus.bs.select': function () {
              that.$button.focus();
              that.$element.off('focus.bs.select');
            },
            'shown.bs.select': function () {
              that.$element
                .val(that.$element.val()) // set the value to hide the validation message in Chrome when menu is opened
                .off('shown.bs.select');
            },
            'rendered.bs.select': function () {
              // if select is no longer invalid, remove the bs-invalid class
              if (this.validity.valid) that.$button.removeClass('bs-invalid');
              that.$element.off('rendered.bs.select');
            }
          });

          that.$button.on('blur.bs.select', function() {
            that.$element.focus().blur();
            that.$button.off('blur.bs.select');
          });
        });
      }

      setTimeout(function () {
        that.$element.trigger('loaded.bs.select');
      });
    },

    createDropdown: function () {
      // Options
      // If we are multiple or showTick option is set, then add the show-tick class
      var showTick = (this.multiple || this.options.showTick) ? ' show-tick' : '',
          inputGroup = this.$element.parent().hasClass('input-group') ? ' input-group-btn' : '',
          autofocus = this.autofocus ? ' autofocus' : '';
      // Elements
      var header = this.options.header ? '<div class="popover-title"><button type="button" class="close" aria-hidden="true">&times;</button>' + this.options.header + '</div>' : '';
      var searchbox = this.options.liveSearch ?
      '<div class="bs-searchbox">' +
      '<input type="text" class="form-control" autocomplete="off"' +
      (null === this.options.liveSearchPlaceholder ? '' : ' placeholder="' + htmlEscape(this.options.liveSearchPlaceholder) + '"') + ' role="textbox" aria-label="Search">' +
      '</div>'
          : '';
      var actionsbox = this.multiple && this.options.actionsBox ?
      '<div class="bs-actionsbox">' +
      '<div class="btn-group btn-group-sm btn-block">' +
      '<button type="button" class="actions-btn bs-select-all btn btn-default">' +
      this.options.selectAllText +
      '</button>' +
      '<button type="button" class="actions-btn bs-deselect-all btn btn-default">' +
      this.options.deselectAllText +
      '</button>' +
      '</div>' +
      '</div>'
          : '';
      var donebutton = this.multiple && this.options.doneButton ?
      '<div class="bs-donebutton">' +
      '<div class="btn-group btn-block">' +
      '<button type="button" class="btn btn-sm btn-default">' +
      this.options.doneButtonText +
      '</button>' +
      '</div>' +
      '</div>'
          : '';
      var drop =
          '<div class="btn-group bootstrap-select' + showTick + inputGroup + '">' +
          '<button type="button" class="' + this.options.styleBase + ' dropdown-toggle" data-toggle="dropdown"' + autofocus + ' role="button">' +
          '<span class="filter-option pull-left"></span>&nbsp;' +
          '<span class="bs-caret">' +
          this.options.template.caret +
          '</span>' +
          '</button>' +
          '<div class="dropdown-menu open" role="combobox">' +
          header +
          searchbox +
          actionsbox +
          '<ul class="dropdown-menu inner" role="listbox" aria-expanded="false">' +
          '</ul>' +
          donebutton +
          '</div>' +
          '</div>';

      return $(drop);
    },

    createView: function () {
      var $drop = this.createDropdown(),
          li = this.createLi();

      $drop.find('ul')[0].innerHTML = li;
      return $drop;
    },

    reloadLi: function () {
      // rebuild
      var li = this.createLi();
      this.$menuInner[0].innerHTML = li;
    },

    createLi: function () {
      var that = this,
          _li = [],
          optID = 0,
          titleOption = document.createElement('option'),
          liIndex = -1; // increment liIndex whenever a new <li> element is created to ensure liObj is correct

      // Helper functions
      /**
       * @param content
       * @param [index]
       * @param [classes]
       * @param [optgroup]
       * @returns {string}
       */
      var generateLI = function (content, index, classes, optgroup) {
        return '<li' +
            ((typeof classes !== 'undefined' && '' !== classes) ? ' class="' + classes + '"' : '') +
            ((typeof index !== 'undefined' && null !== index) ? ' data-original-index="' + index + '"' : '') +
            ((typeof optgroup !== 'undefined' && null !== optgroup) ? 'data-optgroup="' + optgroup + '"' : '') +
            '>' + content + '</li>';
      };

      /**
       * @param text
       * @param [classes]
       * @param [inline]
       * @param [tokens]
       * @returns {string}
       */
      var generateA = function (text, classes, inline, tokens) {
        return '<a tabindex="0"' +
            (typeof classes !== 'undefined' ? ' class="' + classes + '"' : '') +
            (inline ? ' style="' + inline + '"' : '') +
            (that.options.liveSearchNormalize ? ' data-normalized-text="' + normalizeToBase(htmlEscape($(text).html())) + '"' : '') +
            (typeof tokens !== 'undefined' || tokens !== null ? ' data-tokens="' + tokens + '"' : '') +
            ' role="option">' + text +
            '<span class="' + that.options.iconBase + ' ' + that.options.tickIcon + ' check-mark"></span>' +
            '</a>';
      };

      if (this.options.title && !this.multiple) {
        // this option doesn't create a new <li> element, but does add a new option, so liIndex is decreased
        // since liObj is recalculated on every refresh, liIndex needs to be decreased even if the titleOption is already appended
        liIndex--;

        if (!this.$element.find('.bs-title-option').length) {
          // Use native JS to prepend option (faster)
          var element = this.$element[0];
          titleOption.className = 'bs-title-option';
          titleOption.innerHTML = this.options.title;
          titleOption.value = '';
          element.insertBefore(titleOption, element.firstChild);
          // Check if selected or data-selected attribute is already set on an option. If not, select the titleOption option.
          // the selected item may have been changed by user or programmatically before the bootstrap select plugin runs,
          // if so, the select will have the data-selected attribute
          var $opt = $(element.options[element.selectedIndex]);
          if ($opt.attr('selected') === undefined && this.$element.data('selected') === undefined) {
            titleOption.selected = true;
          }
        }
      }

      var $selectOptions = this.$element.find('option');

      $selectOptions.each(function (index) {
        var $this = $(this);

        liIndex++;

        if ($this.hasClass('bs-title-option')) return;

        // Get the class and text for the option
        var optionClass = this.className || '',
            inline = htmlEscape(this.style.cssText),
            text = $this.data('content') ? $this.data('content') : $this.html(),
            tokens = $this.data('tokens') ? $this.data('tokens') : null,
            subtext = typeof $this.data('subtext') !== 'undefined' ? '<small class="text-muted">' + $this.data('subtext') + '</small>' : '',
            icon = typeof $this.data('icon') !== 'undefined' ? '<span class="' + that.options.iconBase + ' ' + $this.data('icon') + '"></span> ' : '',
            $parent = $this.parent(),
            isOptgroup = $parent[0].tagName === 'OPTGROUP',
            isOptgroupDisabled = isOptgroup && $parent[0].disabled,
            isDisabled = this.disabled || isOptgroupDisabled,
            prevHiddenIndex;

        if (icon !== '' && isDisabled) {
          icon = '<span>' + icon + '</span>';
        }

        if (that.options.hideDisabled && (isDisabled && !isOptgroup || isOptgroupDisabled)) {
          // set prevHiddenIndex - the index of the first hidden option in a group of hidden options
          // used to determine whether or not a divider should be placed after an optgroup if there are
          // hidden options between the optgroup and the first visible option
          prevHiddenIndex = $this.data('prevHiddenIndex');
          $this.next().data('prevHiddenIndex', (prevHiddenIndex !== undefined ? prevHiddenIndex : index));

          liIndex--;
          return;
        }

        if (!$this.data('content')) {
          // Prepend any icon and append any subtext to the main text.
          text = icon + '<span class="text">' + text + subtext + '</span>';
        }

        if (isOptgroup && $this.data('divider') !== true) {
          if (that.options.hideDisabled && isDisabled) {
            if ($parent.data('allOptionsDisabled') === undefined) {
              var $options = $parent.children();
              $parent.data('allOptionsDisabled', $options.filter(':disabled').length === $options.length);
            }

            if ($parent.data('allOptionsDisabled')) {
              liIndex--;
              return;
            }
          }

          var optGroupClass = ' ' + $parent[0].className || '';

          if ($this.index() === 0) { // Is it the first option of the optgroup?
            optID += 1;

            // Get the opt group label
            var label = $parent[0].label,
                labelSubtext = typeof $parent.data('subtext') !== 'undefined' ? '<small class="text-muted">' + $parent.data('subtext') + '</small>' : '',
                labelIcon = $parent.data('icon') ? '<span class="' + that.options.iconBase + ' ' + $parent.data('icon') + '"></span> ' : '';

            label = labelIcon + '<span class="text">' + htmlEscape(label) + labelSubtext + '</span>';

            if (index !== 0 && _li.length > 0) { // Is it NOT the first option of the select && are there elements in the dropdown?
              liIndex++;
              _li.push(generateLI('', null, 'divider', optID + 'div'));
            }
            liIndex++;
            _li.push(generateLI(label, null, 'dropdown-header' + optGroupClass, optID));
          }

          if (that.options.hideDisabled && isDisabled) {
            liIndex--;
            return;
          }

          _li.push(generateLI(generateA(text, 'opt ' + optionClass + optGroupClass, inline, tokens), index, '', optID));
        } else if ($this.data('divider') === true) {
          _li.push(generateLI('', index, 'divider'));
        } else if ($this.data('hidden') === true) {
          // set prevHiddenIndex - the index of the first hidden option in a group of hidden options
          // used to determine whether or not a divider should be placed after an optgroup if there are
          // hidden options between the optgroup and the first visible option
          prevHiddenIndex = $this.data('prevHiddenIndex');
          $this.next().data('prevHiddenIndex', (prevHiddenIndex !== undefined ? prevHiddenIndex : index));

          _li.push(generateLI(generateA(text, optionClass, inline, tokens), index, 'hidden is-hidden'));
        } else {
          var showDivider = this.previousElementSibling && this.previousElementSibling.tagName === 'OPTGROUP';

          // if previous element is not an optgroup and hideDisabled is true
          if (!showDivider && that.options.hideDisabled) {
            prevHiddenIndex = $this.data('prevHiddenIndex');

            if (prevHiddenIndex !== undefined) {
              // select the element **before** the first hidden element in the group
              var prevHidden = $selectOptions.eq(prevHiddenIndex)[0].previousElementSibling;
              
              if (prevHidden && prevHidden.tagName === 'OPTGROUP' && !prevHidden.disabled) {
                showDivider = true;
              }
            }
          }

          if (showDivider) {
            liIndex++;
            _li.push(generateLI('', null, 'divider', optID + 'div'));
          }
          _li.push(generateLI(generateA(text, optionClass, inline, tokens), index));
        }

        that.liObj[index] = liIndex;
      });

      //If we are not multiple, we don't have a selected item, and we don't have a title, select the first element so something is set in the button
      if (!this.multiple && this.$element.find('option:selected').length === 0 && !this.options.title) {
        this.$element.find('option').eq(0).prop('selected', true).attr('selected', 'selected');
      }

      return _li.join('');
    },

    findLis: function () {
      if (this.$lis == null) this.$lis = this.$menu.find('li');
      return this.$lis;
    },

    /**
     * @param [updateLi] defaults to true
     */
    render: function (updateLi) {
      var that = this,
          notDisabled,
          $selectOptions = this.$element.find('option');

      //Update the LI to match the SELECT
      if (updateLi !== false) {
        $selectOptions.each(function (index) {
          var $lis = that.findLis().eq(that.liObj[index]);

          that.setDisabled(index, this.disabled || this.parentNode.tagName === 'OPTGROUP' && this.parentNode.disabled, $lis);
          that.setSelected(index, this.selected, $lis);
        });
      }

      this.togglePlaceholder();

      this.tabIndex();

      var selectedItems = $selectOptions.map(function () {
        if (this.selected) {
          if (that.options.hideDisabled && (this.disabled || this.parentNode.tagName === 'OPTGROUP' && this.parentNode.disabled)) return;

          var $this = $(this),
              icon = $this.data('icon') && that.options.showIcon ? '<i class="' + that.options.iconBase + ' ' + $this.data('icon') + '"></i> ' : '',
              subtext;

          if (that.options.showSubtext && $this.data('subtext') && !that.multiple) {
            subtext = ' <small class="text-muted">' + $this.data('subtext') + '</small>';
          } else {
            subtext = '';
          }
          if (typeof $this.attr('title') !== 'undefined') {
            return $this.attr('title');
          } else if ($this.data('content') && that.options.showContent) {
            return $this.data('content').toString();
          } else {
            return icon + $this.html() + subtext;
          }
        }
      }).toArray();

      //Fixes issue in IE10 occurring when no default option is selected and at least one option is disabled
      //Convert all the values into a comma delimited string
      var title = !this.multiple ? selectedItems[0] : selectedItems.join(this.options.multipleSeparator);

      //If this is multi select, and the selectText type is count, the show 1 of 2 selected etc..
      if (this.multiple && this.options.selectedTextFormat.indexOf('count') > -1) {
        var max = this.options.selectedTextFormat.split('>');
        if ((max.length > 1 && selectedItems.length > max[1]) || (max.length == 1 && selectedItems.length >= 2)) {
          notDisabled = this.options.hideDisabled ? ', [disabled]' : '';
          var totalCount = $selectOptions.not('[data-divider="true"], [data-hidden="true"]' + notDisabled).length,
              tr8nText = (typeof this.options.countSelectedText === 'function') ? this.options.countSelectedText(selectedItems.length, totalCount) : this.options.countSelectedText;
          title = tr8nText.replace('{0}', selectedItems.length.toString()).replace('{1}', totalCount.toString());
        }
      }

      if (this.options.title == undefined) {
        this.options.title = this.$element.attr('title');
      }

      if (this.options.selectedTextFormat == 'static') {
        title = this.options.title;
      }

      //If we dont have a title, then use the default, or if nothing is set at all, use the not selected text
      if (!title) {
        title = typeof this.options.title !== 'undefined' ? this.options.title : this.options.noneSelectedText;
      }

      //strip all HTML tags and trim the result, then unescape any escaped tags
      this.$button.attr('title', htmlUnescape($.trim(title.replace(/<[^>]*>?/g, ''))));
      this.$button.children('.filter-option').html(title);

      this.$element.trigger('rendered.bs.select');
    },

    /**
     * @param [style]
     * @param [status]
     */
    setStyle: function (style, status) {
      if (this.$element.attr('class')) {
        this.$newElement.addClass(this.$element.attr('class').replace(/selectpicker|mobile-device|bs-select-hidden|validate\[.*\]/gi, ''));
      }

      var buttonClass = style ? style : this.options.style;

      if (status == 'add') {
        this.$button.addClass(buttonClass);
      } else if (status == 'remove') {
        this.$button.removeClass(buttonClass);
      } else {
        this.$button.removeClass(this.options.style);
        this.$button.addClass(buttonClass);
      }
    },

    liHeight: function (refresh) {
      if (!refresh && (this.options.size === false || this.sizeInfo)) return;

      var newElement = document.createElement('div'),
          menu = document.createElement('div'),
          menuInner = document.createElement('ul'),
          divider = document.createElement('li'),
          li = document.createElement('li'),
          a = document.createElement('a'),
          text = document.createElement('span'),
          header = this.options.header && this.$menu.find('.popover-title').length > 0 ? this.$menu.find('.popover-title')[0].cloneNode(true) : null,
          search = this.options.liveSearch ? document.createElement('div') : null,
          actions = this.options.actionsBox && this.multiple && this.$menu.find('.bs-actionsbox').length > 0 ? this.$menu.find('.bs-actionsbox')[0].cloneNode(true) : null,
          doneButton = this.options.doneButton && this.multiple && this.$menu.find('.bs-donebutton').length > 0 ? this.$menu.find('.bs-donebutton')[0].cloneNode(true) : null;

      text.className = 'text';
      newElement.className = this.$menu[0].parentNode.className + ' open';
      menu.className = 'dropdown-menu open';
      menuInner.className = 'dropdown-menu inner';
      divider.className = 'divider';

      text.appendChild(document.createTextNode('Inner text'));
      a.appendChild(text);
      li.appendChild(a);
      menuInner.appendChild(li);
      menuInner.appendChild(divider);
      if (header) menu.appendChild(header);
      if (search) {
        var input = document.createElement('input');
        search.className = 'bs-searchbox';
        input.className = 'form-control';
        search.appendChild(input);
        menu.appendChild(search);
      }
      if (actions) menu.appendChild(actions);
      menu.appendChild(menuInner);
      if (doneButton) menu.appendChild(doneButton);
      newElement.appendChild(menu);

      document.body.appendChild(newElement);

      var liHeight = a.offsetHeight,
          headerHeight = header ? header.offsetHeight : 0,
          searchHeight = search ? search.offsetHeight : 0,
          actionsHeight = actions ? actions.offsetHeight : 0,
          doneButtonHeight = doneButton ? doneButton.offsetHeight : 0,
          dividerHeight = $(divider).outerHeight(true),
          // fall back to jQuery if getComputedStyle is not supported
          menuStyle = typeof getComputedStyle === 'function' ? getComputedStyle(menu) : false,
          $menu = menuStyle ? null : $(menu),
          menuPadding = {
            vert: parseInt(menuStyle ? menuStyle.paddingTop : $menu.css('paddingTop')) +
                  parseInt(menuStyle ? menuStyle.paddingBottom : $menu.css('paddingBottom')) +
                  parseInt(menuStyle ? menuStyle.borderTopWidth : $menu.css('borderTopWidth')) +
                  parseInt(menuStyle ? menuStyle.borderBottomWidth : $menu.css('borderBottomWidth')),
            horiz: parseInt(menuStyle ? menuStyle.paddingLeft : $menu.css('paddingLeft')) +
                  parseInt(menuStyle ? menuStyle.paddingRight : $menu.css('paddingRight')) +
                  parseInt(menuStyle ? menuStyle.borderLeftWidth : $menu.css('borderLeftWidth')) +
                  parseInt(menuStyle ? menuStyle.borderRightWidth : $menu.css('borderRightWidth'))
          },
          menuExtras =  {
            vert: menuPadding.vert +
                  parseInt(menuStyle ? menuStyle.marginTop : $menu.css('marginTop')) +
                  parseInt(menuStyle ? menuStyle.marginBottom : $menu.css('marginBottom')) + 2,
            horiz: menuPadding.horiz +
                  parseInt(menuStyle ? menuStyle.marginLeft : $menu.css('marginLeft')) +
                  parseInt(menuStyle ? menuStyle.marginRight : $menu.css('marginRight')) + 2
          }

      document.body.removeChild(newElement);

      this.sizeInfo = {
        liHeight: liHeight,
        headerHeight: headerHeight,
        searchHeight: searchHeight,
        actionsHeight: actionsHeight,
        doneButtonHeight: doneButtonHeight,
        dividerHeight: dividerHeight,
        menuPadding: menuPadding,
        menuExtras: menuExtras
      };
    },

    setSize: function () {
      this.findLis();
      this.liHeight();

      if (this.options.header) this.$menu.css('padding-top', 0);
      if (this.options.size === false) return;

      var that = this,
          $menu = this.$menu,
          $menuInner = this.$menuInner,
          $window = $(window),
          selectHeight = this.$newElement[0].offsetHeight,
          selectWidth = this.$newElement[0].offsetWidth,
          liHeight = this.sizeInfo['liHeight'],
          headerHeight = this.sizeInfo['headerHeight'],
          searchHeight = this.sizeInfo['searchHeight'],
          actionsHeight = this.sizeInfo['actionsHeight'],
          doneButtonHeight = this.sizeInfo['doneButtonHeight'],
          divHeight = this.sizeInfo['dividerHeight'],
          menuPadding = this.sizeInfo['menuPadding'],
          menuExtras = this.sizeInfo['menuExtras'],
          notDisabled = this.options.hideDisabled ? '.disabled' : '',
          menuHeight,
          menuWidth,
          getHeight,
          getWidth,
          selectOffsetTop,
          selectOffsetBot,
          selectOffsetLeft,
          selectOffsetRight,
          getPos = function() {
            var pos = that.$newElement.offset(),
                $container = $(that.options.container),
                containerPos;

            if (that.options.container && !$container.is('body')) {
              containerPos = $container.offset();
              containerPos.top += parseInt($container.css('borderTopWidth'));
              containerPos.left += parseInt($container.css('borderLeftWidth'));
            } else {
              containerPos = { top: 0, left: 0 };
            }

            var winPad = that.options.windowPadding;
            selectOffsetTop = pos.top - containerPos.top - $window.scrollTop();
            selectOffsetBot = $window.height() - selectOffsetTop - selectHeight - containerPos.top - winPad[2];
            selectOffsetLeft = pos.left - containerPos.left - $window.scrollLeft();
            selectOffsetRight = $window.width() - selectOffsetLeft - selectWidth - containerPos.left - winPad[1];
            selectOffsetTop -= winPad[0];
            selectOffsetLeft -= winPad[3];
          };

      getPos();

      if (this.options.size === 'auto') {
        var getSize = function () {
          var minHeight,
              hasClass = function (className, include) {
                return function (element) {
                    if (include) {
                        return (element.classList ? element.classList.contains(className) : $(element).hasClass(className));
                    } else {
                        return !(element.classList ? element.classList.contains(className) : $(element).hasClass(className));
                    }
                };
              },
              lis = that.$menuInner[0].getElementsByTagName('li'),
              lisVisible = Array.prototype.filter ? Array.prototype.filter.call(lis, hasClass('hidden', false)) : that.$lis.not('.hidden'),
              optGroup = Array.prototype.filter ? Array.prototype.filter.call(lisVisible, hasClass('dropdown-header', true)) : lisVisible.filter('.dropdown-header');

          getPos();
          menuHeight = selectOffsetBot - menuExtras.vert;
          menuWidth = selectOffsetRight - menuExtras.horiz;

          if (that.options.container) {
            if (!$menu.data('height')) $menu.data('height', $menu.height());
            getHeight = $menu.data('height');

            if (!$menu.data('width')) $menu.data('width', $menu.width());
            getWidth = $menu.data('width');
          } else {
            getHeight = $menu.height();
            getWidth = $menu.width();
          }

          if (that.options.dropupAuto) {
            that.$newElement.toggleClass('dropup', selectOffsetTop > selectOffsetBot && (menuHeight - menuExtras.vert) < getHeight);
          }