shequ/obj/assets/plugins/jquery-multi-select/jquery.multi-select.js

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/*
* MultiSelect v0.9.8
* Copyright (c) 2012 Louis Cuny
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/

!function ($) {

  "use strict";


 /* MULTISELECT CLASS DEFINITION
  * ====================== */

  var MultiSelect = function (element, options) {
    this.options = options;
    this.$element = $(element);

    this.$container = $('<div/>', { 'class': "ms-container" });
    this.$selectableContainer = $('<div/>', { 'class': 'ms-selectable' });
    this.$selectionContainer = $('<div/>', { 'class': 'ms-selection' });
    this.$selectableUl = $('<ul/>', { 'class': "ms-list", 'tabindex' : '-1' });
    this.$selectionUl = $('<ul/>', { 'class': "ms-list", 'tabindex' : '-1' });
    this.scrollTo = 0;
    this.sanitizeRegexp = new RegExp("\\W+", 'gi');
    this.elemsSelector = 'li:visible:not(.ms-optgroup-label,.ms-optgroup-container,.'+options.disabledClass+')';
  };

  MultiSelect.prototype = {
    constructor: MultiSelect,

    init: function(){
      var that = this,
          ms = this.$element;

      if (ms.next('.ms-container').length === 0){
        ms.css({ position: 'absolute', left: '-9999px' });
        ms.attr('id', ms.attr('id') ? ms.attr('id') : Math.ceil(Math.random()*1000)+'multiselect');
        this.$container.attr('id', 'ms-'+ms.attr('id'));

        ms.find('option').each(function(){
          that.generateLisFromOption(this);
        });

        this.$selectionUl.find('.ms-optgroup-label').hide();

        if (that.options.selectableHeader){
          that.$selectableContainer.append(that.options.selectableHeader);
        }
        that.$selectableContainer.append(that.$selectableUl);
        if (that.options.selectableFooter){
          that.$selectableContainer.append(that.options.selectableFooter);
        }

        if (that.options.selectionHeader){