secure-sharing/SecureSharing/wwwroot/plugins/select2/js/select2.js

/*!
 * Select2 4.1.0-rc.0
 * https://select2.github.io
 *
 * Released under the MIT license
 * https://github.com/select2/select2/blob/master/LICENSE.md
 */
;(function (factory) {
    if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(['jquery'], factory);
    } else if (typeof module === 'object' && module.exports) {
        // Node/CommonJS
        module.exports = function (root, jQuery) {
            if (jQuery === undefined) {
                // require('jQuery') returns a factory that requires window to
                // build a jQuery instance, we normalize how we use modules
                // that require this pattern but the window provided is a noop
                // if it's defined (how jquery works)
                if (typeof window !== 'undefined') {
                    jQuery = require('jquery');
                } else {
                    jQuery = require('jquery')(root);
                }
            }
            factory(jQuery);
            return jQuery;
        };
    } else {
        // Browser globals
        factory(jQuery);
    }
}(function (jQuery) {
    // This is needed so we can catch the AMD loader configuration and use it
    // The inner file should be wrapped (by `banner.start.js`) in a function that
    // returns the AMD loader references.
    var S2 = (function () {
        // Restore the Select2 AMD loader so it can be used
        // Needed mostly in the language files, where the loader is not inserted
        if (jQuery && jQuery.fn && jQuery.fn.select2 && jQuery.fn.select2.amd) {
            var S2 = jQuery.fn.select2.amd;
        }
        var S2;
        (function () {
            if (!S2 || !S2.requirejs) {
                if (!S2) {
                    S2 = {};
                } else {
                    require = S2;
                }
                /**
                 * @license almond 0.3.3 Copyright jQuery Foundation and other contributors.
                 * Released under MIT license, http://github.com/requirejs/almond/LICENSE
                 */
//Going sloppy to avoid 'use strict' string cost, but strict practices should
//be followed.
                /*global setTimeout: false */

                var requirejs, require, define;
                (function (undef) {
                    var main, req, makeMap, handlers,
                        defined = {},
                        waiting = {},
                        config = {},
                        defining = {},
                        hasOwn = Object.prototype.hasOwnProperty,
                        aps = [].slice,
                        jsSuffixRegExp = /\.js$/;

                    function hasProp(obj, prop) {
                        return hasOwn.call(obj, prop);
                    }

                    /**
                     * Given a relative module name, like ./something, normalize it to
                     * a real name that can be mapped to a path.
                     * @param {String} name the relative name
                     * @param {String} baseName a real name that the name arg is relative
                     * to.
                     * @returns {String} normalized name
                     */
                    function normalize(name, baseName) {
                        var nameParts, nameSegment, mapValue, foundMap, lastIndex,
                            foundI, foundStarMap, starI, i, j, part, normalizedBaseParts,
                            baseParts = baseName && baseName.split("/"),
                            map = config.map,
                            starMap = (map && map['*']) || {};

                        //Adjust any relative paths.
                        if (name) {
                            name = name.split('/');
                            lastIndex = name.length - 1;

                            // If wanting node ID compatibility, strip .js from end
                            // of IDs. Have to do this here, and not in nameToUrl
                            // because node allows either .js or non .js to map
                            // to same file.
                            if (config.nodeIdCompat && jsSuffixRegExp.test(name[lastIndex])) {
                                name[lastIndex] = name[lastIndex].replace(jsSuffixRegExp, '');
                            }

                            // Starts with a '.' so need the baseName
                            if (name[0].charAt(0) === '.' && baseParts) {
                                //Convert baseName to array, and lop off the last part,
                                //so that . matches that 'directory' and not name of the baseName's
                                //module. For instance, baseName of 'one/two/three', maps to
                                //'one/two/three.js', but we want the directory, 'one/two' for
                                //this normalization.
                                normalizedBaseParts = baseParts.slice(0, baseParts.length - 1);
                                name = normalizedBaseParts.concat(name);
                            }

                            //start trimDots
                            for (i = 0; i < name.length; i++) {
                                part = name[i];
                                if (part === '.') {
                                    name.splice(i, 1);
                                    i -= 1;
                                } else if (part === '..') {
                                    // If at the start, or previous value is still ..,
                                    // keep them so that when converted to a path it may
                                    // still work when converted to a path, even though
                                    // as an ID it is less than ideal. In larger point
                                    // releases, may be better to just kick out an error.
                                    if (i === 0 || (i === 1 && name[2] === '..') || name[i - 1] === '..') {

                                    } else if (i > 0) {
                                        name.splice(i - 1, 2);
                                        i -= 2;
                                    }
                                }
                            }
                            //end trimDots

                            name = name.join('/');
                        }

                        //Apply map config if available.
                        if ((baseParts || starMap) && map) {
                            nameParts = name.split('/');

                            for (i = nameParts.length; i > 0; i -= 1) {
                                nameSegment = nameParts.slice(0, i).join("/");

                                if (baseParts) {
                                    //Find the longest baseName segment match in the config.
                                    //So, do joins on the biggest to smallest lengths of baseParts.
                                    for (j = baseParts.length; j > 0; j -= 1) {
                                        mapValue = map[baseParts.slice(0, j).join('/')];

                                        //baseName segment has  config, find if it has one for
                                        //this name.
                                        if (mapValue) {
                                            mapValue = mapValue[nameSegment];
                                            if (mapValue) {
                                                //Match, update name to the new value.
                                                foundMap = mapValue;
                                                foundI = i;
                                                break;
                                            }
                                        }
                                    }
                                }

                                if (foundMap) {
                                    break;
                                }

                                //Check for a star map match, but just hold on to it,
                                //if there is a shorter segment match later in a matching
                                //config, then favor over this star map.
                                if (!foundStarMap && starMap && starMap[nameSegment]) {
                                    foundStarMap = starMap[nameSegment];
                                    starI = i;
                                }
                            }

                            if (!foundMap && foundStarMap) {
                                foundMap = foundStarMap;
                                foundI = starI;
                            }

                            if (foundMap) {
                                nameParts.splice(0, foundI, foundMap);
                                name = nameParts.join('/');
                            }
                        }

                        return name;
                    }

                    function makeRequire(relName, forceSync) {
                        return function () {
                            //A version of a require function that passes a moduleName
                            //value for items that may need to
                            //look up paths relative to the moduleName
                            var args = aps.call(arguments, 0);

                            //If first arg is not require('string'), and there is only
                            //one arg, it is the array form without a callback. Insert
                            //a null so that the following concat is correct.
                            if (typeof args[0] !== 'string' && args.length === 1) {
                                args.push(null);
                            }
                            return req.apply(undef, args.concat([relName, forceSync]));
                        };
                    }

                    function makeNormalize(relName) {
                        return function (name) {
                            return normalize(name, relName);
                        };
                    }

                    function makeLoad(depName) {
                        return function (value) {
                            defined[depName] = value;
                        };
                    }

                    function callDep(name) {
                        if (hasProp(waiting, name)) {
                            var args = waiting[name];
                            delete waiting[name];
                            defining[name] = true;
                            main.apply(undef, args);
                        }

                        if (!hasProp(defined, name) && !hasProp(defining, name)) {
                            throw new Error('No ' + name);
                        }
                        return defined[name];
                    }

                    //Turns a plugin!resource to [plugin, resource]
                    //with the plugin being undefined if the name
                    //did not have a plugin prefix.
                    function splitPrefix(name) {
                        var prefix,
                            index = name ? name.indexOf('!') : -1;
                        if (index > -1) {
                            prefix = name.substring(0, index);
                            name = name.substring(index + 1, name.length);
                        }
                        return [prefix, name];
                    }

                    //Creates a parts array for a relName where first part is plugin ID,
                    //second part is resource ID. Assumes relName has already been normalized.
                    function makeRelParts(relName) {
                        return relName ? splitPrefix(relName) : [];
                    }

                    /**
                     * Makes a name map, normalizing the name, and using a plugin
                     * for normalization if necessary. Grabs a ref to plugin
                     * too, as an optimization.
                     */
                    makeMap = function (name, relParts) {
                        var plugin,
                            parts = splitPrefix(name),
                            prefix = parts[0],
                            relResourceName = relParts[1];

                        name = parts[1];

                        if (prefix) {
                            prefix = normalize(prefix, relResourceName);
                            plugin = callDep(prefix);
                        }

                        //Normalize according
                        if (prefix) {
                            if (plugin && plugin.normalize) {
                                name = plugin.normalize(name, makeNormalize(relResourceName));
                            } else {
                                name = normalize(name, relResourceName);
                            }
                        } else {
                            name = normalize(name, relResourceName);
                            parts = splitPrefix(name);
                            prefix = parts[0];
                            name = parts[1];
                            if (prefix) {
                                plugin = callDep(prefix);
                            }
                        }

                        //Using ridiculous property names for space reasons
                        return {
                            f: prefix ? prefix + '!' + name : name, //fullName
                            n: name,
                            pr: prefix,
                            p: plugin
                        };
                    };

                    function makeConfig(name) {
                        return function () {
                            return (config && config.config && config.config[name]) || {};
                        };
                    }

                    handlers = {
                        require: function (name) {
                            return makeRequire(name);
                        },
                        exports: function (name) {
                            var e = defined[name];
                            if (typeof e !== 'undefined') {
                                return e;
                            } else {
                                return (defined[name] = {});
                            }
                        },
                        module: function (name) {
                            return {
                                id: name,
                                uri: '',
                                exports: defined[name],
                                config: makeConfig(name)
                            };
                        }
                    };

                    main = function (name, deps, callback, relName) {
                        var cjsModule, depName, ret, map, i, relParts,
                            args = [],
                            callbackType = typeof callback,
                            usingExports;

                        //Use name if no relName
                        relName = relName || name;
                        relParts = makeRelParts(relName);

                        //Call the callback to define the module, if necessary.
                        if (callbackType === 'undefined' || callbackType === 'function') {
                            //Pull out the defined dependencies and pass the ordered
                            //values to the callback.
                            //Default to [require, exports, module] if no deps
                            deps = !deps.length && callback.length ? ['require', 'exports', 'module'] : deps;
                            for (i = 0; i < deps.length; i += 1) {
                                map = makeMap(deps[i], relParts);
                                depName = map.f;

                                //Fast path CommonJS standard dependencies.
                                if (depName === "require") {
                                    args[i] = handlers.require(name);
                                } else if (depName === "exports") {
                                    //CommonJS module spec 1.1
                                    args[i] = handlers.exports(name);
                                    usingExports = true;
                                } else if (depName === "module") {
                                    //CommonJS module spec 1.1
                                    cjsModule = args[i] = handlers.module(name);
                                } else if (hasProp(defined, depName) ||
                                    hasProp(waiting, depName) ||
                                    hasProp(defining, depName)) {
                                    args[i] = callDep(depName);
                                } else if (map.p) {
                                    map.p.load(map.n, makeRequire(relName, true), makeLoad(depName), {});
                                    args[i] = defined[depName];
                                } else {
                                    throw new Error(name + ' missing ' + depName);
                                }
                            }

                            ret = callback ? callback.apply(defined[name], args) : undefined;

                            if (name) {
                                //If setting exports via "module" is in play,
                                //favor that over return value and exports. After that,
                                //favor a non-undefined return value over exports use.
                                if (cjsModule && cjsModule.exports !== undef &&
                                    cjsModule.exports !== defined[name]) {
                                    defined[name] = cjsModule.exports;
                                } else if (ret !== undef || !usingExports) {
                                    //Use the return value from the function.
                                    defined[name] = ret;
                                }
                            }
                        } else if (name) {
                            //May just be an object definition for the module. Only
                            //worry about defining if have a module name.
                            defined[name] = callback;
                        }
                    };

                    requirejs = require = req = function (deps, callback, relName, forceSync, alt) {
                        if (typeof deps === "string") {
                            if (handlers[deps]) {
                                //callback in this case is really relName
                                return handlers[deps](callback);
                            }
                            //Just return the module wanted. In this scenario, the
                            //deps arg is the module name, and second arg (if passed)
                            //is just the relName.
                            //Normalize module name, if it contains . or ..
                            return callDep(makeMap(deps, makeRelParts(callback)).f);
                        } else if (!deps.splice) {
                            //deps is a config object, not an array.
                            config = deps;
                            if (config.deps) {
                                req(config.deps, config.callback);
                            }
                            if (!callback) {
                                return;
                            }

                            if (callback.splice) {
                                //callback is an array, which means it is a dependency list.
                                //Adjust args if there are dependencies
                                deps = callback;
                                callback = relName;
                                relName = null;
                            } else {
                                deps = undef;
                            }
                        }

                        //Support require(['a'])
                        callback = callback || function () {
                        };

                        //If relName is a function, it is an errback handler,
                        //so remove it.
                        if (typeof relName === 'function') {
                            relName = forceSync;
                            forceSync = alt;
                        }

                        //Simulate async callback;
                        if (forceSync) {
                            main(undef, deps, callback, relName);
                        } else {
                            //Using a non-zero value because of concern for what old browsers
                            //do, and latest browsers "upgrade" to 4 if lower value is used:
                            //http://www.whatwg.org/specs/web-apps/current-work/multipage/timers.html#dom-windowtimers-settimeout:
                            //If want a value immediately, use require('id') instead -- something
                            //that works in almond on the global level, but not guaranteed and
                            //unlikely to work in other AMD implementations.
                            setTimeout(function () {
                                main(undef, deps, callback, relName);
                            }, 4);
                        }

                        return req;
                    };

                    /**
                     * Just drops the config on the floor, but returns req in case
                     * the config return value is used.
                     */
                    req.config = function (cfg) {
                        return req(cfg);
                    };

                    /**
                     * Expose module registry for debugging and tooling
                     */
                    requirejs._defined = defined;

                    define = function (name, deps, callback) {
                        if (typeof name !== 'string') {
                            throw new Error('See almond README: incorrect module build, no module name');
                        }

                        //This module may not have dependencies
                        if (!deps.splice) {
                            //deps is not an array, so probably means
                            //an object literal or factory function for
                            //the value. Adjust args.
                            callback = deps;
                            deps = [];
                        }

                        if (!hasProp(defined, name) && !hasProp(waiting, name)) {
                            waiting[name] = [name, deps, callback];
                        }
                    };

                    define.amd = {
                        jQuery: true
                    };
                }());

                S2.requirejs = requirejs;
                S2.require = require;
                S2.define = define;
            }
        }());
        S2.define("almond", function () {
        });

        /* global jQuery:false, $:false */
        S2.define('jquery', [], function () {
            var _$ = jQuery || $;

            if (_$ == null && console && console.error) {
                console.error(
                    'Select2: An instance of jQuery or a jQuery-compatible library was not ' +
                    'found. Make sure that you are including jQuery before Select2 on your ' +
                    'web page.'
                );
            }

            return _$;
        });

        S2.define('select2/utils', [
            'jquery'
        ], function ($) {
            var Utils = {};

            Utils.Extend = function (ChildClass, SuperClass) {
                var __hasProp = {}.hasOwnProperty;

                function BaseConstructor() {
                    this.constructor = ChildClass;
                }

                for (var key in SuperClass) {
                    if (__hasProp.call(SuperClass, key)) {
                        ChildClass[key] = SuperClass[key];
                    }
                }

                BaseConstructor.prototype = SuperClass.prototype;
                ChildClass.prototype = new BaseConstructor();
                ChildClass.__super__ = SuperClass.prototype;

                return ChildClass;
            };

            function getMethods(theClass) {
                var proto = theClass.prototype;

                var methods = [];

                for (var methodName in proto) {
                    var m = proto[methodName];

                    if (typeof m !== 'function') {
                        continue;
                    }

                    if (methodName === 'constructor') {
                        continue;
                    }

                    methods.push(methodName);
                }

                return methods;
            }

            Utils.Decorate = function (SuperClass, DecoratorClass) {
                var decoratedMethods = getMethods(DecoratorClass);
                var superMethods = getMethods(SuperClass);

                function DecoratedClass() {
                    var unshift = Array.prototype.unshift;

                    var argCount = DecoratorClass.prototype.constructor.length;

                    var calledConstructor = SuperClass.prototype.constructor;

                    if (argCount > 0) {
                        unshift.call(arguments, SuperClass.prototype.constructor);

                        calledConstructor = DecoratorClass.prototype.constructor;
                    }

                    calledConstructor.apply(this, arguments);
                }

                DecoratorClass.displayName = SuperClass.displayName;

                function ctr() {
                    this.constructor = DecoratedClass;
                }

                DecoratedClass.prototype = new ctr();

                for (var m = 0; m < superMethods.length; m++) {
                    var superMethod = superMethods[m];

                    DecoratedClass.prototype[superMethod] =
                        SuperClass.prototype[superMethod];
                }

                var calledMethod = function (methodName) {
                    // Stub out the original method if it's not decorating an actual method
                    var originalMethod = function () {
                    };

                    if (methodName in DecoratedClass.prototype) {
                        originalMethod = DecoratedClass.prototype[methodName];
                    }

                    var decoratedMethod = DecoratorClass.prototype[methodName];

                    return function () {
                        var unshift = Array.prototype.unshift;

                        unshift.call(arguments, originalMethod);

                        return decoratedMethod.apply(this, arguments);
                    };
                };

                for (var d = 0; d < decoratedMethods.length; d++) {
                    var decoratedMethod = decoratedMethods[d];

                    DecoratedClass.prototype[decoratedMethod] = calledMethod(decoratedMethod);
                }

                return DecoratedClass;
            };

            var Observable = function () {
                this.listeners = {};
            };

            Observable.prototype.on = function (event, callback) {
                this.listeners = this.listeners || {};

                if (event in this.listeners) {
                    this.listeners[event].push(callback);
                } else {
                    this.listeners[event] = [callback];
                }
            };

            Observable.prototype.trigger = function (event) {
                var slice = Array.prototype.slice;
                var params = slice.call(arguments, 1);

                this.listeners = this.listeners || {};

                // Params should always come in as an array
                if (params == null) {
                    params = [];
                }

                // If there are no arguments to the event, use a temporary object
                if (params.length === 0) {
                    params.push({});
                }

                // Set the `_type` of the first object to the event
                params[0]._type = event;

                if (event in this.listeners) {
                    this.invoke(this.listeners[event], slice.call(arguments, 1));
                }

                if ('*' in this.listeners) {
                    this.invoke(this.listeners['*'], arguments);
                }
            };

            Observable.prototype.invoke = function (listeners, params) {
                for (var i = 0, len = listeners.length; i < len; i++) {
                    listeners[i].apply(this, params);
                }
            };

            Utils.Observable = Observable;

            Utils.generateChars = function (length) {
                var chars = '';

                for (var i = 0; i < length; i++) {
                    var randomChar = Math.floor(Math.random() * 36);
                    chars += randomChar.toString(36);
                }

                return chars;
            };

            Utils.bind = function (func, context) {
                return function () {
                    func.apply(context, arguments);
                };
            };

            Utils._convertData = function (data) {
                for (var originalKey in data) {
                    var keys = originalKey.split('-');

                    var dataLevel = data;

                    if (keys.length === 1) {
                        continue;
                    }

                    for (var k = 0; k < keys.length; k++) {
                        var key = keys[k];

                        // Lowercase the first letter
                        // By default, dash-separated becomes camelCase
                        key = key.substring(0, 1).toLowerCase() + key.substring(1);

                        if (!(key in dataLevel)) {
                            dataLevel[key] = {};
                        }

                        if (k == keys.length - 1) {
                            dataLevel[key] = data[originalKey];
                        }

                        dataLevel = dataLevel[key];
                    }

                    delete data[originalKey];
                }

                return data;
            };

            Utils.hasScroll = function (index, el) {
                // Adapted from the function created by @ShadowScripter
                // and adapted by @BillBarry on the Stack Exchange Code Review website.
                // The original code can be found at
                // http://codereview.stackexchange.com/q/13338
                // and was designed to be used with the Sizzle selector engine.

                var $el = $(el);
                var overflowX = el.style.overflowX;
                var overflowY = el.style.overflowY;

                //Check both x and y declarations
                if (overflowX === overflowY &&
                    (overflowY === 'hidden' || overflowY === 'visible')) {
                    return false;
                }

                if (overflowX === 'scroll' || overflowY === 'scroll') {
                    return true;
                }

                return ($el.innerHeight() < el.scrollHeight ||
                    $el.innerWidth() < el.scrollWidth);
            };

            Utils.escapeMarkup = function (markup) {
                var replaceMap = {
                    '\\': '&#92;',
                    '&': '&amp;',
                    '<': '&lt;',
                    '>': '&gt;',
                    '"': '&quot;',
                    '\'': '&#39;',
                    '/': '&#47;'
                };

                // Do not try to escape the markup if it's not a string
                if (typeof markup !== 'string') {
                    return markup;
                }

                return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
                    return replaceMap[match];
                });
            };

            // Cache objects in Utils.__cache instead of $.data (see #4346)
            Utils.__cache = {};

            var id = 0;
            Utils.GetUniqueElementId = function (element) {
                // Get a unique element Id. If element has no id,
                // creates a new unique number, stores it in the id
                // attribute and returns the new id with a prefix.
                // If an id already exists, it simply returns it with a prefix.

                var select2Id = element.getAttribute('data-select2-id');

                if (select2Id != null) {
                    return select2Id;
                }

                // If element has id, use it.
                if (element.id) {
                    select2Id = 'select2-data-' + element.id;
                } else {
                    select2Id = 'select2-data-' + (++id).toString() +
                        '-' + Utils.generateChars(4);
                }

                element.setAttribute('data-select2-id', select2Id);

                return select2Id;
            };

            Utils.StoreData = function (element, name, value) {
                // Stores an item in the cache for a specified element.
                // name is the cache key.
                var id = Utils.GetUniqueElementId(element);
                if (!Utils.__cache[id]) {
                    Utils.__cache[id] = {};
                }

                Utils.__cache[id][name] = value;
            };

            Utils.GetData = function (element, name) {
                // Retrieves a value from the cache by its key (name)
                // name is optional. If no name specified, return
                // all cache items for the specified element.
                // and for a specified element.
                var id = Utils.GetUniqueElementId(element);
                if (name) {
                    if (Utils.__cache[id]) {
                        if (Utils.__cache[id][name] != null) {
                            return Utils.__cache[id][name];
                        }
                        return $(element).data(name); // Fallback to HTML5 data attribs.
                    }
                    return $(element).data(name); // Fallback to HTML5 data attribs.
                } else {
                    return Utils.__cache[id];
                }
            };

            Utils.RemoveData = function (element) {
                // Removes all cached items for a specified element.
                var id = Utils.GetUniqueElementId(element);
                if (Utils.__cache[id] != null) {
                    delete Utils.__cache[id];
                }

                element.removeAttribute('data-select2-id');
            };

            Utils.copyNonInternalCssClasses = function (dest, src) {
                var classes;

                var destinationClasses = dest.getAttribute('class').trim().split(/\s+/);

                destinationClasses = destinationClasses.filter(function (clazz) {
                    // Save all Select2 classes
                    return clazz.indexOf('select2-') === 0;
                });

                var sourceClasses = src.getAttribute('class').trim().split(/\s+/);

                sourceClasses = sourceClasses.filter(function (clazz) {
                    // Only copy non-Select2 classes
                    return clazz.indexOf('select2-') !== 0;
                });

                var replacements = destinationClasses.concat(sourceClasses);

                dest.setAttribute('class', replacements.join(' '));
            };

            return Utils;
        });

        S2.define('select2/results', [
            'jquery',
            './utils'
        ], function ($, Utils) {
            function Results($element, options, dataAdapter) {
                this.$element = $element;
                this.data = dataAdapter;
                this.options = options;

                Results.__super__.constructor.call(this);
            }

            Utils.Extend(Results, Utils.Observable);

            Results.prototype.render = function () {
                var $results = $(
                    '<ul class="select2-results__options" role="listbox"></ul>'
                );

                if (this.options.get('multiple')) {
                    $results.attr('aria-multiselectable', 'true');
                }

                this.$results = $results;

                return $results;
            };

            Results.prototype.clear = function () {
                this.$results.empty();
            };

            Results.prototype.displayMessage = function (params) {
                var escapeMarkup = this.options.get('escapeMarkup');

                this.clear();
                this.hideLoading();

                var $message = $(
                    '<li role="alert" aria-live="assertive"' +
                    ' class="select2-results__option"></li>'
                );

                var message = this.options.get('translations').get(params.message);

                $message.append(
                    escapeMarkup(
                        message(params.args)
                    )
                );

                $message[0].className += ' select2-results__message';

                this.$results.append($message);
            };

            Results.prototype.hideMessages = function () {
                this.$results.find('.select2-results__message').remove();
            };

            Results.prototype.append = function (data) {
                this.hideLoading();

                var $options = [];

                if (data.results == null || data.results.length === 0) {
                    if (this.$results.children().length === 0) {
                        this.trigger('results:message', {
                            message: 'noResults'
                        });
                    }

                    return;
                }

                data.results = this.sort(data.results);

                for (var d = 0; d < data.results.length; d++) {
                    var item = data.results[d];

                    var $option = this.option(item);

                    $options.push($option);
                }

                this.$results.append($options);
            };

            Results.prototype.position = function ($results, $dropdown) {
                var $resultsContainer = $dropdown.find('.select2-results');
                $resultsContainer.append($results);
            };

            Results.prototype.sort = function (data) {
                var sorter = this.options.get('sorter');

                return sorter(data);
            };

            Results.prototype.highlightFirstItem = function () {
                var $options = this.$results
                    .find('.select2-results__option--selectable');

                var $selected = $options.filter('.select2-results__option--selected');

                // Check if there are any selected options
                if ($selected.length > 0) {
                    // If there are selected options, highlight the first
                    $selected.first().trigger('mouseenter');
                } else {
                    // If there are no selected options, highlight the first option
                    // in the dropdown
                    $options.first().trigger('mouseenter');
                }

                this.ensureHighlightVisible();
            };

            Results.prototype.setClasses = function () {
                var self = this;

                this.data.current(function (selected) {
                    var selectedIds = selected.map(function (s) {
                        return s.id.toString();
                    });

                    var $options = self.$results
                        .find('.select2-results__option--selectable');

                    $options.each(function () {
                        var $option = $(this);

                        var item = Utils.GetData(this, 'data');

                        // id needs to be converted to a string when comparing
                        var id = '' + item.id;

                        if ((item.element != null && item.element.selected) ||
                            (item.element == null && selectedIds.indexOf(id) > -1)) {
                            this.classList.add('select2-results__option--selected');
                            $option.attr('aria-selected', 'true');
                        } else {
                            this.classList.remove('select2-results__option--selected');
                            $option.attr('aria-selected', 'false');
                        }
                    });

                });
            };

            Results.prototype.showLoading = function (params) {
                this.hideLoading();

                var loadingMore = this.options.get('translations').get('searching');

                var loading = {
                    disabled: true,
                    loading: true,
                    text: loadingMore(params)
                };
                var $loading = this.option(loading);
                $loading.className += ' loading-results';

                this.$results.prepend($loading);
            };

            Results.prototype.hideLoading = function () {
                this.$results.find('.loading-results').remove();
            };

            Results.prototype.option = function (data) {
                var option = document.createElement('li');
                option.classList.add('select2-results__option');
                option.classList.add('select2-results__option--selectable');

                var attrs = {
                    'role': 'option'
                };

                var matches = window.Element.prototype.matches ||
                    window.Element.prototype.msMatchesSelector ||
                    window.Element.prototype.webkitMatchesSelector;

                if ((data.element != null && matches.call(data.element, ':disabled')) ||
                    (data.element == null && data.disabled)) {
                    attrs['aria-disabled'] = 'true';

                    option.classList.remove('select2-results__option--selectable');
                    option.classList.add('select2-results__option--disabled');
                }

                if (data.id == null) {
                    option.classList.remove('select2-results__option--selectable');
                }

                if (data._resultId != null) {
                    option.id = data._resultId;
                }

                if (data.title) {
                    option.title = data.title;
                }

                if (data.children) {
                    attrs.role = 'group';
                    attrs['aria-label'] = data.text;

                    option.classList.remove('select2-results__option--selectable');
                    option.classList.add('select2-results__option--group');
                }

                for (var attr in attrs) {
                    var val = attrs[attr];

                    option.setAttribute(attr, val);
                }

                if (data.children) {
                    var $option = $(option);

                    var label = document.createElement('strong');
                    label.className = 'select2-results__group';

                    this.template(data, label);

                    var $children = [];

                    for (var c = 0; c < data.children.length; c++) {
                        var child = data.children[c];

                        var $child = this.option(child);

                        $children.push($child);
                    }

                    var $childrenContainer = $('<ul></ul>', {
                        'class': 'select2-results__options select2-results__options--nested',
                        'role': 'none'
                    });

                    $childrenContainer.append($children);

                    $option.append(label);
                    $option.append($childrenContainer);
                } else {
                    this.template(data, option);
                }

                Utils.StoreData(option, 'data', data);

                return option;
            };

            Results.prototype.bind = function (container, $container) {
                var self = this;

                var id = container.id + '-results';

                this.$results.attr('id', id);

                container.on('results:all', function (params) {
                    self.clear();
                    self.append(params.data);

                    if (container.isOpen()) {
                        self.setClasses();
                        self.highlightFirstItem();
                    }
                });

                container.on('results:append', function (params) {
                    self.append(params.data);

                    if (container.isOpen()) {
                        self.setClasses();
                    }
                });

                container.on('query', function (params) {
                    self.hideMessages();
                    self.showLoading(params);
                });

                container.on('select', function () {
                    if (!container.isOpen()) {
                        return;
                    }

                    self.setClasses();

                    if (self.options.get('scrollAfterSelect')) {
                        self.highlightFirstItem();
                    }
                });

                container.on('unselect', function () {
                    if (!container.isOpen()) {
                        return;
                    }

                    self.setClasses();

                    if (self.options.get('scrollAfterSelect')) {
                        self.highlightFirstItem();
                    }
                });

                container.on('open', function () {
                    // When the dropdown is open, aria-expended="true"
                    self.$results.attr('aria-expanded', 'true');
                    self.$results.attr('aria-hidden', 'false');

                    self.setClasses();
                    self.ensureHighlightVisible();
                });

                container.on('close', function () {
                    // When the dropdown is closed, aria-expended="false"
                    self.$results.attr('aria-expanded', 'false');
                    self.$results.attr('aria-hidden', 'true');
                    self.$results.removeAttr('aria-activedescendant');
                });

                container.on('results:toggle', function () {
                    var $highlighted = self.getHighlightedResults();

                    if ($highlighted.length === 0) {
                        return;
                    }

                    $highlighted.trigger('mouseup');
                });

                container.on('results:select', function () {
                    var $highlighted = self.getHighlightedResults();

                    if ($highlighted.length === 0) {
                        return;
                    }

                    var data = Utils.GetData($highlighted[0], 'data');

                    if ($highlighted.hasClass('select2-results__option--selected')) {
                        self.trigger('close', {});
                    } else {
                        self.trigger('select', {
                            data: data
                        });
                    }
                });

                container.on('results:previous', function () {
                    var $highlighted = self.getHighlightedResults();

                    var $options = self.$results.find('.select2-results__option--selectable');

                    var currentIndex = $options.index($highlighted);

                    // If we are already at the top, don't move further
                    // If no options, currentIndex will be -1
                    if (currentIndex <= 0) {
                        return;
                    }

                    var nextIndex = currentIndex - 1;

                    // If none are highlighted, highlight the first
                    if ($highlighted.length === 0) {
                        nextIndex = 0;
                    }

                    var $next = $options.eq(nextIndex);

                    $next.trigger('mouseenter');

                    var currentOffset = self.$results.offset().top;
                    var nextTop = $next.offset().top;
                    var nextOffset = self.$results.scrollTop() + (nextTop - currentOffset);

                    if (nextIndex === 0) {
                        self.$results.scrollTop(0);
                    } else if (nextTop - currentOffset < 0) {
                        self.$results.scrollTop(nextOffset);
                    }
                });

                container.on('results:next', function () {
                    var $highlighted = self.getHighlightedResults();

                    var $options = self.$results.find('.select2-results__option--selectable');

                    var currentIndex = $options.index($highlighted);

                    var nextIndex = currentIndex + 1;

                    // If we are at the last option, stay there
                    if (nextIndex >= $options.length) {
                        return;
                    }

                    var $next = $options.eq(nextIndex);

                    $next.trigger('mouseenter');

                    var currentOffset = self.$results.offset().top +
                        self.$results.outerHeight(false);
                    var nextBottom = $next.offset().top + $next.outerHeight(false);
                    var nextOffset = self.$results.scrollTop() + nextBottom - currentOffset;

                    if (nextIndex === 0) {
                        self.$results.scrollTop(0);
                    } else if (nextBottom > currentOffset) {
                        self.$results.scrollTop(nextOffset);
                    }
                });

                container.on('results:focus', function (params) {
                    params.element[0].classList.add('select2-results__option--highlighted');
                    params.element[0].setAttribute('aria-selected', 'true');
                });

                container.on('results:message', function (params) {
                    self.displayMessage(params);
                });

                if ($.fn.mousewheel) {
                    this.$results.on('mousewheel', function (e) {
                        var top = self.$results.scrollTop();

                        var bottom = self.$results.get(0).scrollHeight - top + e.deltaY;

                        var isAtTop = e.deltaY > 0 && top - e.deltaY <= 0;
                        var isAtBottom = e.deltaY < 0 && bottom <= self.$results.height();

                        if (isAtTop) {
                            self.$results.scrollTop(0);

                            e.preventDefault();
                            e.stopPropagation();
                        } else if (isAtBottom) {
                            self.$results.scrollTop(
                                self.$results.get(0).scrollHeight - self.$results.height()
                            );

                            e.preventDefault();
                            e.stopPropagation();
                        }
                    });
                }

                this.$results.on('mouseup', '.select2-results__option--selectable',
                    function (evt) {
                        var $this = $(this);

                        var data = Utils.GetData(this, 'data');

                        if ($this.hasClass('select2-results__option--selected')) {
                            if (self.options.get('multiple')) {
                                self.trigger('unselect', {
                                    originalEvent: evt,
                                    data: data
                                });
                            } else {
                                self.trigger('close', {});
                            }

                            return;
                        }

                        self.trigger('select', {
                            originalEvent: evt,
                            data: data
                        });
                    });

                this.$results.on('mouseenter', '.select2-results__option--selectable',
                    function (evt) {
                        var data = Utils.GetData(this, 'data');

                        self.getHighlightedResults()
                            .removeClass('select2-results__option--highlighted')
                            .attr('aria-selected', 'false');

                        self.trigger('results:focus', {
                            data: data,
                            element: $(this)
                        });
                    });
            };

            Results.prototype.getHighlightedResults = function () {
                var $highlighted = this.$results
                    .find('.select2-results__option--highlighted');

                return $highlighted;
            };

            Results.prototype.destroy = function () {
                this.$results.remove();
            };

            Results.prototype.ensureHighlightVisible = function () {
                var $highlighted = this.getHighlightedResults();

                if ($highlighted.length === 0) {
                    return;
                }

                var $options = this.$results.find('.select2-results__option--selectable');

                var currentIndex = $options.index($highlighted);

                var currentOffset = this.$results.offset().top;
                var nextTop = $highlighted.offset().top;
                var nextOffset = this.$results.scrollTop() + (nextTop - currentOffset);

                var offsetDelta = nextTop - currentOffset;
                nextOffset -= $highlighted.outerHeight(false) * 2;

                if (currentIndex <= 2) {
                    this.$results.scrollTop(0);
                } else if (offsetDelta > this.$results.outerHeight() || offsetDelta < 0) {
                    this.$results.scrollTop(nextOffset);
                }
            };

            Results.prototype.template = function (result, container) {
                var template = this.options.get('templateResult');
                var escapeMarkup = this.options.get('escapeMarkup');

                var content = template(result, container);

                if (content == null) {
                    container.style.display = 'none';
                } else if (typeof content === 'string') {
                    container.innerHTML = escapeMarkup(content);
                } else {
                    $(container).append(content);
                }
            };

            return Results;
        });

        S2.define('select2/keys', [], function () {
            var KEYS = {
                BACKSPACE: 8,
                TAB: 9,
                ENTER: 13,
                SHIFT: 16,
                CTRL: 17,
                ALT: 18,
                ESC: 27,
                SPACE: 32,
                PAGE_UP: 33,
                PAGE_DOWN: 34,
                END: 35,
                HOME: 36,
                LEFT: 37,
                UP: 38,
                RIGHT: 39,
                DOWN: 40,
                DELETE: 46
            };

            return KEYS;
        });

        S2.define('select2/selection/base', [
            'jquery',
            '../utils',
            '../keys'
        ], function ($, Utils, KEYS) {
            function BaseSelection($element, options) {
                this.$element = $element;
                this.options = options;

                BaseSelection.__super__.constructor.call(this);
            }

            Utils.Extend(BaseSelection, Utils.Observable);

            BaseSelection.prototype.render = function () {
                var $selection = $(
                    '<span class="select2-selection" role="combobox" ' +
                    ' aria-haspopup="true" aria-expanded="false">' +
                    '</span>'
                );

                this._tabindex = 0;

                if (Utils.GetData(this.$element[0], 'old-tabindex') != null) {
                    this._tabindex = Utils.GetData(this.$element[0], 'old-tabindex');
                } else if (this.$element.attr('tabindex') != null) {
                    this._tabindex = this.$element.attr('tabindex');
                }

                $selection.attr('title', this.$element.attr('title'));
                $selection.attr('tabindex', this._tabindex);
                $selection.attr('aria-disabled', 'false');

                this.$selection = $selection;

                return $selection;
            };

            BaseSelection.prototype.bind = function (container, $container) {
                var self = this;

                var resultsId = container.id + '-results';

                this.container = container;

                this.$selection.on('focus', function (evt) {
                    self.trigger('focus', evt);
                });

                this.$selection.on('blur', function (evt) {
                    self._handleBlur(evt);
                });

                this.$selection.on('keydown', function (evt) {
                    self.trigger('keypress', evt);

                    if (evt.which === KEYS.SPACE) {
                        evt.preventDefault();
                    }
                });

                container.on('results:focus', function (params) {
                    self.$selection.attr('aria-activedescendant', params.data._resultId);
                });

                container.on('selection:update', function (params) {
                    self.update(params.data);
                });

                container.on('open', function () {
                    // When the dropdown is open, aria-expanded="true"
                    self.$selection.attr('aria-expanded', 'true');
                    self.$selection.attr('aria-owns', resultsId);

                    self._attachCloseHandler(container);
                });

                container.on('close', function () {
                    // When the dropdown is closed, aria-expanded="false"
                    self.$selection.attr('aria-expanded', 'false');
                    self.$selection.removeAttr('aria-activedescendant');
                    self.$selection.removeAttr('aria-owns');

                    self.$selection.trigger('focus');

                    self._detachCloseHandler(container);
                });

                container.on('enable', function () {
                    self.$selection.attr('tabindex', self._tabindex);
                    self.$selection.attr('aria-disabled', 'false');
                });

                container.on('disable', function () {
                    self.$selection.attr('tabindex', '-1');
                    self.$selection.attr('aria-disabled', 'true');
                });
            };

            BaseSelection.prototype._handleBlur = function (evt) {
                var self = this;

                // This needs to be delayed as the active element is the body when the tab
                // key is pressed, possibly along with others.
                window.setTimeout(function () {
                    // Don't trigger `blur` if the focus is still in the selection
                    if (
                        (document.activeElement == self.$selection[0]) ||
                        ($.contains(self.$selection[0], document.activeElement))
                    ) {
                        return;
                    }

                    self.trigger('blur', evt);
                }, 1);
            };

            BaseSelection.prototype._attachCloseHandler = function (container) {

                $(document.body).on('mousedown.select2.' + container.id, function (e) {
                    var $target = $(e.target);

                    var $select = $target.closest('.select2');

                    var $all = $('.select2.select2-container--open');

                    $all.each(function () {
                        if (this == $select[0]) {
                            return;
                        }

                        var $element = Utils.GetData(this, 'element');

                        $element.select2('close');
                    });
                });
            };

            BaseSelection.prototype._detachCloseHandler = function (container) {
                $(document.body).off('mousedown.select2.' + container.id);
            };

            BaseSelection.prototype.position = function ($selection, $container) {
                var $selectionContainer = $container.find('.selection');
                $selectionContainer.append($selection);
            };

            BaseSelection.prototype.destroy = function () {
                this._detachCloseHandler(this.container);
            };

            BaseSelection.prototype.update = function (data) {
                throw new Error('The `update` method must be defined in child classes.');
            };

            /**
             * Helper method to abstract the "enabled" (not "disabled") state of this
             * object.
             *
             * @return {true} if the instance is not disabled.
             * @return {false} if the instance is disabled.
             */
            BaseSelection.prototype.isEnabled = function () {
                return !this.isDisabled();
            };

            /**
             * Helper method to abstract the "disabled" state of this object.
             *
             * @return {true} if the disabled option is true.
             * @return {false} if the disabled option is false.
             */
            BaseSelection.prototype.isDisabled = function () {
                return this.options.get('disabled');
            };

            return BaseSelection;
        });

        S2.define('select2/selection/single', [
            'jquery',
            './base',
            '../utils',
            '../keys'
        ], function ($, BaseSelection, Utils, KEYS) {
            function SingleSelection() {
                SingleSelection.__super__.constructor.apply(this, arguments);
            }

            Utils.Extend(SingleSelection, BaseSelection);

            SingleSelection.prototype.render = function () {
                var $selection = SingleSelection.__super__.render.call(this);

                $selection[0].classList.add('select2-selection--single');

                $selection.html(
                    '<span class="select2-selection__rendered"></span>' +
                    '<span class="select2-selection__arrow" role="presentation">' +
                    '<b role="presentation"></b>' +
                    '</span>'
                );

                return $selection;
            };

            SingleSelection.prototype.bind = function (container, $container) {
                var self = this;

                SingleSelection.__super__.bind.apply(this, arguments);

                var id = container.id + '-container';

                this.$selection.find('.select2-selection__rendered')
                    .attr('id', id)
                    .attr('role', 'textbox')
                    .attr('aria-readonly', 'true');
                this.$selection.attr('aria-labelledby', id);
                this.$selection.attr('aria-controls', id);

                this.$selection.on('mousedown', function (evt) {
                    // Only respond to left clicks
                    if (evt.which !== 1) {
                        return;
                    }

                    self.trigger('toggle', {
                        originalEvent: evt
                    });
                });

                this.$selection.on('focus', function (evt) {
                    // User focuses on the container
                });

                this.$selection.on('blur', function (evt) {
                    // User exits the container
                });

                container.on('focus', function (evt) {
                    if (!container.isOpen()) {
                        self.$selection.trigger('focus');
                    }
                });
            };

            SingleSelection.prototype.clear = function () {
                var $rendered = this.$selection.find('.select2-selection__rendered');
                $rendered.empty();
                $rendered.removeAttr('title'); // clear tooltip on empty
            };

            SingleSelection.prototype.display = function (data, container) {
                var template = this.options.get('templateSelection');
                var escapeMarkup = this.options.get('escapeMarkup');

                return escapeMarkup(template(data, container));
            };

            SingleSelection.prototype.selectionContainer = function () {
                return $('<span></span>');
            };

            SingleSelection.prototype.update = function (data) {
                if (data.length === 0) {
                    this.clear();
                    return;
                }

                var selection = data[0];

                var $rendered = this.$selection.find('.select2-selection__rendered');
                var formatted = this.display(selection, $rendered);

                $rendered.empty().append(formatted);

                var title = selection.title || selection.text;

                if (title) {
                    $rendered.attr('title', title);
                } else {
                    $rendered.removeAttr('title');
                }
            };

            return SingleSelection;
        });

        S2.define('select2/selection/multiple', [
            'jquery',
            './base',
            '../utils'
        ], function ($, BaseSelection, Utils) {
            function MultipleSelection($element, options) {
                MultipleSelection.__super__.constructor.apply(this, arguments);
            }

            Utils.Extend(MultipleSelection, BaseSelection);

            MultipleSelection.prototype.render = function () {
                var $selection = MultipleSelection.__super__.render.call(this);

                $selection[0].classList.add('select2-selection--multiple');

                $selection.html(
                    '<ul class="select2-selection__rendered"></ul>'
                );

                return $selection;
            };

            MultipleSelection.prototype.bind = function (container, $container) {
                var self = this;

                MultipleSelection.__super__.bind.apply(this, arguments);

                var id = container.id + '-container';
                this.$selection.find('.select2-selection__rendered').attr('id', id);

                this.$selection.on('click', function (evt) {
                    self.trigger('toggle', {
                        originalEvent: evt
                    });
                });

                this.$selection.on(
                    'click',
                    '.select2-selection__choice__remove',
                    function (evt) {
                        // Ignore the event if it is disabled
                        if (self.isDisabled()) {
                            return;
                        }

                        var $remove = $(this);
                        var $selection = $remove.parent();

                        var data = Utils.GetData($selection[0], 'data');

                        self.trigger('unselect', {
                            originalEvent: evt,
                            data: data
                        });
                    }
                );

                this.$selection.on(
                    'keydown',
                    '.select2-selection__choice__remove',
                    function (evt) {
                        // Ignore the event if it is disabled
                        if (self.isDisabled()) {
                            return;
                        }

                        evt.stopPropagation();
                    }
                );
            };

            MultipleSelection.prototype.clear = function () {
                var $rendered = this.$selection.find('.select2-selection__rendered');
                $rendered.empty();
                $rendered.removeAttr('title');
            };

            MultipleSelection.prototype.display = function (data, container) {
                var template = this.options.get('templateSelection');
                var escapeMarkup = this.options.get('escapeMarkup');

                return escapeMarkup(template(data, container));
            };

            MultipleSelection.prototype.selectionContainer = function () {
                var $container = $(
                    '<li class="select2-selection__choice">' +
                    '<button type="button" class="select2-selection__choice__remove" ' +
                    'tabindex="-1">' +
                    '<span aria-hidden="true">&times;</span>' +
                    '</button>' +
                    '<span class="select2-selection__choice__display"></span>' +
                    '</li>'
                );

                return $container;
            };

            MultipleSelection.prototype.update = function (data) {
                this.clear();

                if (data.length === 0) {
                    return;
                }

                var $selections = [];

                var selectionIdPrefix = this.$selection.find('.select2-selection__rendered')
                    .attr('id') + '-choice-';

                for (var d = 0; d < data.length; d++) {
                    var selection = data[d];

                    var $selection = this.selectionContainer();
                    var formatted = this.display(selection, $selection);

                    var selectionId = selectionIdPrefix + Utils.generateChars(4) + '-';

                    if (selection.id) {
                        selectionId += selection.id;
                    } else {
                        selectionId += Utils.generateChars(4);
                    }

                    $selection.find('.select2-selection__choice__display')
                        .append(formatted)
                        .attr('id', selectionId);

                    var title = selection.title || selection.text;

                    if (title) {
                        $selection.attr('title', title);
                    }

                    var removeItem = this.options.get('translations').get('removeItem');

                    var $remove = $selection.find('.select2-selection__choice__remove');

                    $remove.attr('title', removeItem());
                    $remove.attr('aria-label', removeItem());
                    $remove.attr('aria-describedby', selectionId);

                    Utils.StoreData($selection[0], 'data', selection);

                    $selections.push($selection);
                }

                var $rendered = this.$selection.find('.select2-selection__rendered');

                $rendered.append($selections);
            };

            return MultipleSelection;
        });

        S2.define('select2/selection/placeholder', [], function () {
            function Placeholder(decorated, $element, options) {
                this.placeholder = this.normalizePlaceholder(options.get('placeholder'));

                decorated.call(this, $element, options);
            }

            Placeholder.prototype.normalizePlaceholder = function (_, placeholder) {
                if (typeof placeholder === 'string') {
                    placeholder = {
                        id: '',
                        text: placeholder
                    };
                }

                return placeholder;
            };

            Placeholder.prototype.createPlaceholder = function (decorated, placeholder) {
                var $placeholder = this.selectionContainer();

                $placeholder.html(this.display(placeholder));
                $placeholder[0].classList.add('select2-selection__placeholder');
                $placeholder[0].classList.remove('select2-selection__choice');

                var placeholderTitle = placeholder.title ||
                    placeholder.text ||
                    $placeholder.text();

                this.$selection.find('.select2-selection__rendered').attr(
                    'title',
                    placeholderTitle
                );

                return $placeholder;
            };

            Placeholder.prototype.update = function (decorated, data) {
                var singlePlaceholder = (
                    data.length == 1 && data[0].id != this.placeholder.id
                );
                var multipleSelections = data.length > 1;

                if (multipleSelections || singlePlaceholder) {
                    return decorated.call(this, data);
                }

                this.clear();

                var $placeholder = this.createPlaceholder(this.placeholder);

                this.$selection.find('.select2-selection__rendered').append($placeholder);
            };

            return Placeholder;
        });

        S2.define('select2/selection/allowClear', [
            'jquery',
            '../keys',
            '../utils'
        ], function ($, KEYS, Utils) {
            function AllowClear() {
            }

            AllowClear.prototype.bind = function (decorated, container, $container) {
                var self = this;

                decorated.call(this, container, $container);

                if (this.placeholder == null) {
                    if (this.options.get('debug') && window.console && console.error) {
                        console.error(
                            'Select2: The `allowClear` option should be used in combination ' +
                            'with the `placeholder` option.'
                        );
                    }
                }

                this.$selection.on('mousedown', '.select2-selection__clear',
                    function (evt) {
                        self._handleClear(evt);
                    });

                container.on('keypress', function (evt) {
                    self._handleKeyboardClear(evt, container);
                });
            };

            AllowClear.prototype._handleClear = function (_, evt) {
                // Ignore the event if it is disabled
                if (this.isDisabled()) {
                    return;
                }

                var $clear = this.$selection.find('.select2-selection__clear');

                // Ignore the event if nothing has been selected
                if ($clear.length === 0) {
                    return;
                }

                evt.stopPropagation();

                var data = Utils.GetData($clear[0], 'data');

                var previousVal = this.$element.val();
                this.$element.val(this.placeholder.id);

                var unselectData = {
                    data: data
                };
                this.trigger('clear', unselectData);
                if (unselectData.prevented) {
                    this.$element.val(previousVal);
                    return;
                }

                for (var d = 0; d < data.length; d++) {
                    unselectData = {
                        data: data[d]
                    };

                    // Trigger the `unselect` event, so people can prevent it from being
                    // cleared.
                    this.trigger('unselect', unselectData);

                    // If the event was prevented, don't clear it out.
                    if (unselectData.prevented) {
                        this.$element.val(previousVal);
                        return;
                    }
                }

                this.$element.trigger('input').trigger('change');

                this.trigger('toggle', {});
            };

            AllowClear.prototype._handleKeyboardClear = function (_, evt, container) {
                if (container.isOpen()) {
                    return;
                }

                if (evt.which == KEYS.DELETE || evt.which == KEYS.BACKSPACE) {
                    this._handleClear(evt);
                }
            };

            AllowClear.prototype.update = function (decorated, data) {
                decorated.call(this, data);

                this.$selection.find('.select2-selection__clear').remove();
                this.$selection[0].classList.remove('select2-selection--clearable');

                if (this.$selection.find('.select2-selection__placeholder').length > 0 ||
                    data.length === 0) {
                    return;
                }

                var selectionId = this.$selection.find('.select2-selection__rendered')
                    .attr('id');

                var removeAll = this.options.get('translations').get('removeAllItems');

                var $remove = $(
                    '<button type="button" class="select2-selection__clear" tabindex="-1">' +
                    '<span aria-hidden="true">&times;</span>' +
                    '</button>'
                );
                $remove.attr('title', removeAll());
                $remove.attr('aria-label', removeAll());
                $remove.attr('aria-describedby', selectionId);
                Utils.StoreData($remove[0], 'data', data);

                this.$selection.prepend($remove);
                this.$selection[0].classList.add('select2-selection--clearable');
            };

            return AllowClear;
        });

        S2.define('select2/selection/search', [
            'jquery',
            '../utils',
            '../keys'
        ], function ($, Utils, KEYS) {
            function Search(decorated, $element, options) {
                decorated.call(this, $element, options);
            }

            Search.prototype.render = function (decorated) {
                var searchLabel = this.options.get('translations').get('search');
                var $search = $(
                    '<span class="select2-search select2-search--inline">' +
                    '<textarea class="select2-search__field"' +
                    ' type="search" tabindex="-1"' +
                    ' autocorrect="off" autocapitalize="none"' +
                    ' spellcheck="false" role="searchbox" aria-autocomplete="list" >' +
                    '</textarea>' +
                    '</span>'
                );

                this.$searchContainer = $search;
                this.$search = $search.find('textarea');

                this.$search.prop('autocomplete', this.options.get('autocomplete'));
                this.$search.attr('aria-label', searchLabel());

                var $rendered = decorated.call(this);

                this._transferTabIndex();
                $rendered.append(this.$searchContainer);

                return $rendered;
            };

            Search.prototype.bind = function (decorated, container, $container) {
                var self = this;

                var resultsId = container.id + '-results';
                var selectionId = container.id + '-container';

                decorated.call(this, container, $container);

                self.$search.attr('aria-describedby', selectionId);

                container.on('open', function () {
                    self.$search.attr('aria-controls', resultsId);
                    self.$search.trigger('focus');
                });

                container.on('close', function () {
                    self.$search.val('');
                    self.resizeSearch();
                    self.$search.removeAttr('aria-controls');
                    self.$search.removeAttr('aria-activedescendant');
                    self.$search.trigger('focus');
                });

                container.on('enable', function () {
                    self.$search.prop('disabled', false);

                    self._transferTabIndex();
                });

                container.on('disable', function () {
                    self.$search.prop('disabled', true);
                });

                container.on('focus', function (evt) {
                    self.$search.trigger('focus');
                });

                container.on('results:focus', function (params) {
                    if (params.data._resultId) {
                        self.$search.attr('aria-activedescendant', params.data._resultId);
                    } else {
                        self.$search.removeAttr('aria-activedescendant');
                    }
                });

                this.$selection.on('focusin', '.select2-search--inline', function (evt) {
                    self.trigger('focus', evt);
                });

                this.$selection.on('focusout', '.select2-search--inline', function (evt) {
                    self._handleBlur(evt);
                });

                this.$selection.on('keydown', '.select2-search--inline', function (evt) {
                    evt.stopPropagation();

                    self.trigger('keypress', evt);

                    self._keyUpPrevented = evt.isDefaultPrevented();

                    var key = evt.which;

                    if (key === KEYS.BACKSPACE && self.$search.val() === '') {
                        var $previousChoice = self.$selection
                            .find('.select2-selection__choice').last();

                        if ($previousChoice.length > 0) {
                            var item = Utils.GetData($previousChoice[0], 'data');

                            self.searchRemoveChoice(item);

                            evt.preventDefault();
                        }
                    }
                });

                this.$selection.on('click', '.select2-search--inline', function (evt) {
                    if (self.$search.val()) {
                        evt.stopPropagation();
                    }
                });

                // Try to detect the IE version should the `documentMode` property that
                // is stored on the document. This is only implemented in IE and is
                // slightly cleaner than doing a user agent check.
                // This property is not available in Edge, but Edge also doesn't have
                // this bug.
                var msie = document.documentMode;
                var disableInputEvents = msie && msie <= 11;

                // Workaround for browsers which do not support the `input` event
                // This will prevent double-triggering of events for browsers which support
                // both the `keyup` and `input` events.
                this.$selection.on(
                    'input.searchcheck',
                    '.select2-search--inline',
                    function (evt) {
                        // IE will trigger the `input` event when a placeholder is used on a
                        // search box. To get around this issue, we are forced to ignore all
                        // `input` events in IE and keep using `keyup`.
                        if (disableInputEvents) {
                            self.$selection.off('input.search input.searchcheck');
                            return;
                        }

                        // Unbind the duplicated `keyup` event
                        self.$selection.off('keyup.search');
                    }
                );

                this.$selection.on(
                    'keyup.search input.search',
                    '.select2-search--inline',
                    function (evt) {
                        // IE will trigger the `input` event when a placeholder is used on a
                        // search box. To get around this issue, we are forced to ignore all
                        // `input` events in IE and keep using `keyup`.
                        if (disableInputEvents && evt.type === 'input') {
                            self.$selection.off('input.search input.searchcheck');
                            return;
                        }

                        var key = evt.which;

                        // We can freely ignore events from modifier keys
                        if (key == KEYS.SHIFT || key == KEYS.CTRL || key == KEYS.ALT) {
                            return;
                        }

                        // Tabbing will be handled during the `keydown` phase
                        if (key == KEYS.TAB) {
                            return;
                        }

                        self.handleSearch(evt);
                    }
                );
            };

            /**
             * This method will transfer the tabindex attribute from the rendered
             * selection to the search box. This allows for the search box to be used as
             * the primary focus instead of the selection container.
             *
             * @private
             */
            Search.prototype._transferTabIndex = function (decorated) {
                this.$search.attr('tabindex', this.$selection.attr('tabindex'));
                this.$selection.attr('tabindex', '-1');
            };

            Search.prototype.createPlaceholder = function (decorated, placeholder) {
                this.$search.attr('placeholder', placeholder.text);
            };

            Search.prototype.update = function (decorated, data) {
                var searchHadFocus = this.$search[0] == document.activeElement;

                this.$search.attr('placeholder', '');

                decorated.call(this, data);

                this.resizeSearch();
                if (searchHadFocus) {
                    this.$search.trigger('focus');
                }
            };

            Search.prototype.handleSearch = function () {
                this.resizeSearch();

                if (!this._keyUpPrevented) {
                    var input = this.$search.val();

                    this.trigger('query', {
                        term: input
                    });
                }

                this._keyUpPrevented = false;
            };

            Search.prototype.searchRemoveChoice = function (decorated, item) {
                this.trigger('unselect', {
                    data: item
                });

                this.$search.val(item.text);
                this.handleSearch();
            };

            Search.prototype.resizeSearch = function () {
                this.$search.css('width', '25px');

                var width = '100%';

                if (this.$search.attr('placeholder') === '') {
                    var minimumWidth = this.$search.val().length + 1;

                    width = (minimumWidth * 0.75) + 'em';
                }

                this.$search.css('width', width);
            };

            return Search;
        });

        S2.define('select2/selection/selectionCss', [
            '../utils'
        ], function (Utils) {
            function SelectionCSS() {
            }

            SelectionCSS.prototype.render = function (decorated) {
                var $selection = decorated.call(this);

                var selectionCssClass = this.options.get('selectionCssClass') || '';

                if (selectionCssClass.indexOf(':all:') !== -1) {
                    selectionCssClass = selectionCssClass.replace(':all:', '');

                    Utils.copyNonInternalCssClasses($selection[0], this.$element[0]);
                }

                $selection.addClass(selectionCssClass);

                return $selection;
            };

            return SelectionCSS;
        });

        S2.define('select2/selection/eventRelay', [
            'jquery'
        ], function ($) {
            function EventRelay() {
            }

            EventRelay.prototype.bind = function (decorated, container, $container) {
                var self = this;
                var relayEvents = [
                    'open', 'opening',
                    'close', 'closing',
                    'select', 'selecting',
                    'unselect', 'unselecting',
                    'clear', 'clearing'
                ];

                var preventableEvents = [
                    'opening', 'closing', 'selecting', 'unselecting', 'clearing'
                ];

                decorated.call(this, container, $container);

                container.on('*', function (name, params) {
                    // Ignore events that should not be relayed
                    if (relayEvents.indexOf(name) === -1) {
                        return;
                    }

                    // The parameters should always be an object
                    params = params || {};

                    // Generate the jQuery event for the Select2 event
                    var evt = $.Event('select2:' + name, {
                        params: params
                    });

                    self.$element.trigger(evt);

                    // Only handle preventable events if it was one
                    if (preventableEvents.indexOf(name) === -1) {
                        return;
                    }

                    params.prevented = evt.isDefaultPrevented();
                });
            };

            return EventRelay;
        });

        S2.define('select2/translation', [
            'jquery',
            'require'
        ], function ($, require) {
            function Translation(dict) {
                this.dict = dict || {};
            }

            Translation.prototype.all = function () {
                return this.dict;
            };

            Translation.prototype.get = function (key) {
                return this.dict[key];
            };

            Translation.prototype.extend = function (translation) {
                this.dict = $.extend({}, translation.all(), this.dict);
            };

            // Static functions

            Translation._cache = {};

            Translation.loadPath = function (path) {
                if (!(path in Translation._cache)) {
                    var translations = require(path);

                    Translation._cache[path] = translations;
                }

                return new Translation(Translation._cache[path]);
            };

            return Translation;
        });

        S2.define('select2/diacritics', [], function () {
            var diacritics = {
                '\u24B6': 'A',
                '\uFF21': 'A',
                '\u00C0': 'A',
                '\u00C1': 'A',
                '\u00C2': 'A',
                '\u1EA6': 'A',
                '\u1EA4': 'A',
                '\u1EAA': 'A',
                '\u1EA8': 'A',
                '\u00C3': 'A',
                '\u0100': 'A',
                '\u0102': 'A',
                '\u1EB0': 'A',
                '\u1EAE': 'A',
                '\u1EB4': 'A',
                '\u1EB2': 'A',
                '\u0226': 'A',
                '\u01E0': 'A',
                '\u00C4': 'A',
                '\u01DE': 'A',
                '\u1EA2': 'A',
                '\u00C5': 'A',
                '\u01FA': 'A',
                '\u01CD': 'A',
                '\u0200': 'A',
                '\u0202': 'A',
                '\u1EA0': 'A',
                '\u1EAC': 'A',
                '\u1EB6': 'A',
                '\u1E00': 'A',
                '\u0104': 'A',
                '\u023A': 'A',
                '\u2C6F': 'A',
                '\uA732': 'AA',
                '\u00C6': 'AE',
                '\u01FC': 'AE',
                '\u01E2': 'AE',
                '\uA734': 'AO',
                '\uA736': 'AU',
                '\uA738': 'AV',
                '\uA73A': 'AV',
                '\uA73C': 'AY',
                '\u24B7': 'B',
                '\uFF22': 'B',
                '\u1E02': 'B',
                '\u1E04': 'B',
                '\u1E06': 'B',
                '\u0243': 'B',
                '\u0182': 'B',
                '\u0181': 'B',
                '\u24B8': 'C',
                '\uFF23': 'C',
                '\u0106': 'C',
                '\u0108': 'C',
                '\u010A': 'C',
                '\u010C': 'C',
                '\u00C7': 'C',
                '\u1E08': 'C',
                '\u0187': 'C',
                '\u023B': 'C',
                '\uA73E': 'C',
                '\u24B9': 'D',
                '\uFF24': 'D',
                '\u1E0A': 'D',
                '\u010E': 'D',
                '\u1E0C': 'D',
                '\u1E10': 'D',
                '\u1E12': 'D',
                '\u1E0E': 'D',
                '\u0110': 'D',
                '\u018B': 'D',
                '\u018A': 'D',
                '\u0189': 'D',
                '\uA779': 'D',
                '\u01F1': 'DZ',
                '\u01C4': 'DZ',
                '\u01F2': 'Dz',
                '\u01C5': 'Dz',
                '\u24BA': 'E',
                '\uFF25': 'E',
                '\u00C8': 'E',
                '\u00C9': 'E',
                '\u00CA': 'E',
                '\u1EC0': 'E',
                '\u1EBE': 'E',
                '\u1EC4': 'E',
                '\u1EC2': 'E',
                '\u1EBC': 'E',
                '\u0112': 'E',
                '\u1E14': 'E',
                '\u1E16': 'E',
                '\u0114': 'E',
                '\u0116': 'E',
                '\u00CB': 'E',
                '\u1EBA': 'E',
                '\u011A': 'E',
                '\u0204': 'E',
                '\u0206': 'E',
                '\u1EB8': 'E',
                '\u1EC6': 'E',
                '\u0228': 'E',
                '\u1E1C': 'E',
                '\u0118': 'E',
                '\u1E18': 'E',
                '\u1E1A': 'E',
                '\u0190': 'E',
                '\u018E': 'E',
                '\u24BB': 'F',
                '\uFF26': 'F',
                '\u1E1E': 'F',
                '\u0191': 'F',
                '\uA77B': 'F',
                '\u24BC': 'G',
                '\uFF27': 'G',
                '\u01F4': 'G',
                '\u011C': 'G',
                '\u1E20': 'G',
                '\u011E': 'G',
                '\u0120': 'G',
                '\u01E6': 'G',
                '\u0122': 'G',
                '\u01E4': 'G',
                '\u0193': 'G',
                '\uA7A0': 'G',
                '\uA77D': 'G',
                '\uA77E': 'G',
                '\u24BD': 'H',
                '\uFF28': 'H',
                '\u0124': 'H',
                '\u1E22': 'H',
                '\u1E26': 'H',
                '\u021E': 'H',
                '\u1E24': 'H',
                '\u1E28': 'H',
                '\u1E2A': 'H',
                '\u0126': 'H',
                '\u2C67': 'H',
                '\u2C75': 'H',
                '\uA78D': 'H',
                '\u24BE': 'I',
                '\uFF29': 'I',
                '\u00CC': 'I',
                '\u00CD': 'I',
                '\u00CE': 'I',
                '\u0128': 'I',
                '\u012A': 'I',
                '\u012C': 'I',
                '\u0130': 'I',
                '\u00CF': 'I',
                '\u1E2E': 'I',
                '\u1EC8': 'I',
                '\u01CF': 'I',
                '\u0208': 'I',
                '\u020A': 'I',
                '\u1ECA': 'I',
                '\u012E': 'I',
                '\u1E2C': 'I',
                '\u0197': 'I',
                '\u24BF': 'J',
                '\uFF2A': 'J',
                '\u0134': 'J',
                '\u0248': 'J',
                '\u24C0': 'K',
                '\uFF2B': 'K',
                '\u1E30': 'K',
                '\u01E8': 'K',
                '\u1E32': 'K',
                '\u0136': 'K',
                '\u1E34': 'K',
                '\u0198': 'K',
                '\u2C69': 'K',
                '\uA740': 'K',
                '\uA742': 'K',
                '\uA744': 'K',
                '\uA7A2': 'K',
                '\u24C1': 'L',
                '\uFF2C': 'L',
                '\u013F': 'L',
                '\u0139': 'L',
                '\u013D': 'L',
                '\u1E36': 'L',
                '\u1E38': 'L',
                '\u013B': 'L',
                '\u1E3C': 'L',
                '\u1E3A': 'L',
                '\u0141': 'L',
                '\u023D': 'L',
                '\u2C62': 'L',
                '\u2C60': 'L',
                '\uA748': 'L',
                '\uA746': 'L',
                '\uA780': 'L',
                '\u01C7': 'LJ',
                '\u01C8': 'Lj',
                '\u24C2': 'M',
                '\uFF2D': 'M',
                '\u1E3E': 'M',
                '\u1E40': 'M',
                '\u1E42': 'M',
                '\u2C6E': 'M',
                '\u019C': 'M',
                '\u24C3': 'N',
                '\uFF2E': 'N',
                '\u01F8': 'N',
                '\u0143': 'N',
                '\u00D1': 'N',
                '\u1E44': 'N',
                '\u0147': 'N',
                '\u1E46': 'N',
                '\u0145': 'N',
                '\u1E4A': 'N',
                '\u1E48': 'N',
                '\u0220': 'N',
                '\u019D': 'N',
                '\uA790': 'N',
                '\uA7A4': 'N',
                '\u01CA': 'NJ',
                '\u01CB': 'Nj',
                '\u24C4': 'O',
                '\uFF2F': 'O',
                '\u00D2': 'O',
                '\u00D3': 'O',
                '\u00D4': 'O',
                '\u1ED2': 'O',
                '\u1ED0': 'O',
                '\u1ED6': 'O',
                '\u1ED4': 'O',
                '\u00D5': 'O',
                '\u1E4C': 'O',
                '\u022C': 'O',
                '\u1E4E': 'O',
                '\u014C': 'O',
                '\u1E50': 'O',
                '\u1E52': 'O',
                '\u014E': 'O',
                '\u022E': 'O',
                '\u0230': 'O',
                '\u00D6': 'O',
                '\u022A': 'O',
                '\u1ECE': 'O',
                '\u0150': 'O',
                '\u01D1': 'O',
                '\u020C': 'O',
                '\u020E': 'O',
                '\u01A0': 'O',
                '\u1EDC': 'O',
                '\u1EDA': 'O',
                '\u1EE0': 'O',
                '\u1EDE': 'O',
                '\u1EE2': 'O',
                '\u1ECC': 'O',
                '\u1ED8': 'O',
                '\u01EA': 'O',
                '\u01EC': 'O',
                '\u00D8': 'O',
                '\u01FE': 'O',
                '\u0186': 'O',
                '\u019F': 'O',
                '\uA74A': 'O',
                '\uA74C': 'O',
                '\u0152': 'OE',
                '\u01A2': 'OI',
                '\uA74E': 'OO',
                '\u0222': 'OU',
                '\u24C5': 'P',
                '\uFF30': 'P',
                '\u1E54': 'P',
                '\u1E56': 'P',
                '\u01A4': 'P',
                '\u2C63': 'P',
                '\uA750': 'P',
                '\uA752': 'P',
                '\uA754': 'P',
                '\u24C6': 'Q',
                '\uFF31': 'Q',
                '\uA756': 'Q',
                '\uA758': 'Q',
                '\u024A': 'Q',
                '\u24C7': 'R',
                '\uFF32': 'R',
                '\u0154': 'R',
                '\u1E58': 'R',
                '\u0158': 'R',
                '\u0210': 'R',
                '\u0212': 'R',
                '\u1E5A': 'R',
                '\u1E5C': 'R',
                '\u0156': 'R',
                '\u1E5E': 'R',
                '\u024C': 'R',
                '\u2C64': 'R',
                '\uA75A': 'R',
                '\uA7A6': 'R',
                '\uA782': 'R',
                '\u24C8': 'S',
                '\uFF33': 'S',
                '\u1E9E': 'S',
                '\u015A': 'S',
                '\u1E64': 'S',
                '\u015C': 'S',
                '\u1E60': 'S',
                '\u0160': 'S',
                '\u1E66': 'S',
                '\u1E62': 'S',
                '\u1E68': 'S',
                '\u0218': 'S',
                '\u015E': 'S',
                '\u2C7E': 'S',
                '\uA7A8': 'S',
                '\uA784': 'S',
                '\u24C9': 'T',
                '\uFF34': 'T',
                '\u1E6A': 'T',
                '\u0164': 'T',
                '\u1E6C': 'T',
                '\u021A': 'T',
                '\u0162': 'T',
                '\u1E70': 'T',
                '\u1E6E': 'T',
                '\u0166': 'T',
                '\u01AC': 'T',
                '\u01AE': 'T',
                '\u023E': 'T',
                '\uA786': 'T',
                '\uA728': 'TZ',
                '\u24CA': 'U',
                '\uFF35': 'U',
                '\u00D9': 'U',
                '\u00DA': 'U',
                '\u00DB': 'U',
                '\u0168': 'U',
                '\u1E78': 'U',
                '\u016A': 'U',
                '\u1E7A': 'U',
                '\u016C': 'U',
                '\u00DC': 'U',
                '\u01DB': 'U',
                '\u01D7': 'U',
                '\u01D5': 'U',
                '\u01D9': 'U',
                '\u1EE6': 'U',
                '\u016E': 'U',
                '\u0170': 'U',
                '\u01D3': 'U',
                '\u0214': 'U',
                '\u0216': 'U',
                '\u01AF': 'U',
                '\u1EEA': 'U',
                '\u1EE8': 'U',
                '\u1EEE': 'U',
                '\u1EEC': 'U',
                '\u1EF0': 'U',
                '\u1EE4': 'U',
                '\u1E72': 'U',
                '\u0172': 'U',
                '\u1E76': 'U',
                '\u1E74': 'U',
                '\u0244': 'U',
                '\u24CB': 'V',
                '\uFF36': 'V',
                '\u1E7C': 'V',
                '\u1E7E': 'V',
                '\u01B2': 'V',
                '\uA75E': 'V',
                '\u0245': 'V',
                '\uA760': 'VY',
                '\u24CC': 'W',
                '\uFF37': 'W',
                '\u1E80': 'W',
                '\u1E82': 'W',
                '\u0174': 'W',
                '\u1E86': 'W',
                '\u1E84': 'W',
                '\u1E88': 'W',
                '\u2C72': 'W',
                '\u24CD': 'X',
                '\uFF38': 'X',
                '\u1E8A': 'X',
                '\u1E8C': 'X',
                '\u24CE': 'Y',
                '\uFF39': 'Y',
                '\u1EF2': 'Y',
                '\u00DD': 'Y',
                '\u0176': 'Y',
                '\u1EF8': 'Y',
                '\u0232': 'Y',
                '\u1E8E': 'Y',
                '\u0178': 'Y',
                '\u1EF6': 'Y',
                '\u1EF4': 'Y',
                '\u01B3': 'Y',
                '\u024E': 'Y',
                '\u1EFE': 'Y',
                '\u24CF': 'Z',
                '\uFF3A': 'Z',
                '\u0179': 'Z',
                '\u1E90': 'Z',
                '\u017B': 'Z',
                '\u017D': 'Z',
                '\u1E92': 'Z',
                '\u1E94': 'Z',
                '\u01B5': 'Z',
                '\u0224': 'Z',
                '\u2C7F': 'Z',
                '\u2C6B': 'Z',
                '\uA762': 'Z',
                '\u24D0': 'a',
                '\uFF41': 'a',
                '\u1E9A': 'a',
                '\u00E0': 'a',
                '\u00E1': 'a',
                '\u00E2': 'a',
                '\u1EA7': 'a',
                '\u1EA5': 'a',
                '\u1EAB': 'a',
                '\u1EA9': 'a',
                '\u00E3': 'a',
                '\u0101': 'a',
                '\u0103': 'a',
                '\u1EB1': 'a',
                '\u1EAF': 'a',
                '\u1EB5': 'a',
                '\u1EB3': 'a',
                '\u0227': 'a',
                '\u01E1': 'a',
                '\u00E4': 'a',
                '\u01DF': 'a',
                '\u1EA3': 'a',
                '\u00E5': 'a',
                '\u01FB': 'a',
                '\u01CE': 'a',
                '\u0201': 'a',
                '\u0203': 'a',
                '\u1EA1': 'a',
                '\u1EAD': 'a',
                '\u1EB7': 'a',
                '\u1E01': 'a',
                '\u0105': 'a',
                '\u2C65': 'a',
                '\u0250': 'a',
                '\uA733': 'aa',
                '\u00E6': 'ae',
                '\u01FD': 'ae',
                '\u01E3': 'ae',
                '\uA735': 'ao',
                '\uA737': 'au',
                '\uA739': 'av',
                '\uA73B': 'av',
                '\uA73D': 'ay',
                '\u24D1': 'b',
                '\uFF42': 'b',
                '\u1E03': 'b',
                '\u1E05': 'b',
                '\u1E07': 'b',
                '\u0180': 'b',
                '\u0183': 'b',
                '\u0253': 'b',
                '\u24D2': 'c',
                '\uFF43': 'c',
                '\u0107': 'c',
                '\u0109': 'c',
                '\u010B': 'c',
                '\u010D': 'c',
                '\u00E7': 'c',
                '\u1E09': 'c',
                '\u0188': 'c',
                '\u023C': 'c',
                '\uA73F': 'c',
                '\u2184': 'c',
                '\u24D3': 'd',
                '\uFF44': 'd',
                '\u1E0B': 'd',
                '\u010F': 'd',
                '\u1E0D': 'd',
                '\u1E11': 'd',
                '\u1E13': 'd',
                '\u1E0F': 'd',
                '\u0111': 'd',
                '\u018C': 'd',
                '\u0256': 'd',
                '\u0257': 'd',
                '\uA77A': 'd',
                '\u01F3': 'dz',
                '\u01C6': 'dz',
                '\u24D4': 'e',
                '\uFF45': 'e',
                '\u00E8': 'e',
                '\u00E9': 'e',
                '\u00EA': 'e',
                '\u1EC1': 'e',
                '\u1EBF': 'e',
                '\u1EC5': 'e',
                '\u1EC3': 'e',
                '\u1EBD': 'e',
                '\u0113': 'e',
                '\u1E15': 'e',
                '\u1E17': 'e',
                '\u0115': 'e',
                '\u0117': 'e',
                '\u00EB': 'e',
                '\u1EBB': 'e',
                '\u011B': 'e',
                '\u0205': 'e',
                '\u0207': 'e',
                '\u1EB9': 'e',
                '\u1EC7': 'e',
                '\u0229': 'e',
                '\u1E1D': 'e',
                '\u0119': 'e',
                '\u1E19': 'e',
                '\u1E1B': 'e',
                '\u0247': 'e',
                '\u025B': 'e',
                '\u01DD': 'e',
                '\u24D5': 'f',
                '\uFF46': 'f',
                '\u1E1F': 'f',
                '\u0192': 'f',
                '\uA77C': 'f',
                '\u24D6': 'g',
                '\uFF47': 'g',
                '\u01F5': 'g',
                '\u011D': 'g',
                '\u1E21': 'g',
                '\u011F': 'g',
                '\u0121': 'g',
                '\u01E7': 'g',
                '\u0123': 'g',
                '\u01E5': 'g',
                '\u0260': 'g',
                '\uA7A1': 'g',
                '\u1D79': 'g',
                '\uA77F': 'g',
                '\u24D7': 'h',
                '\uFF48': 'h',
                '\u0125': 'h',
                '\u1E23': 'h',
                '\u1E27': 'h',
                '\u021F': 'h',
                '\u1E25': 'h',
                '\u1E29': 'h',
                '\u1E2B': 'h',
                '\u1E96': 'h',
                '\u0127': 'h',
                '\u2C68': 'h',
                '\u2C76': 'h',
                '\u0265': 'h',
                '\u0195': 'hv',
                '\u24D8': 'i',
                '\uFF49': 'i',
                '\u00EC': 'i',
                '\u00ED': 'i',
                '\u00EE': 'i',
                '\u0129': 'i',
                '\u012B': 'i',
                '\u012D': 'i',
                '\u00EF': 'i',
                '\u1E2F': 'i',
                '\u1EC9': 'i',
                '\u01D0': 'i',
                '\u0209': 'i',
                '\u020B': 'i',
                '\u1ECB': 'i',
                '\u012F': 'i',
                '\u1E2D': 'i',
                '\u0268': 'i',
                '\u0131': 'i',
                '\u24D9': 'j',
                '\uFF4A': 'j',
                '\u0135': 'j',
                '\u01F0': 'j',
                '\u0249': 'j',
                '\u24DA': 'k',
                '\uFF4B': 'k',
                '\u1E31': 'k',
                '\u01E9': 'k',
                '\u1E33': 'k',
                '\u0137': 'k',
                '\u1E35': 'k',
                '\u0199': 'k',
                '\u2C6A': 'k',
                '\uA741': 'k',
                '\uA743': 'k',
                '\uA745': 'k',
                '\uA7A3': 'k',
                '\u24DB': 'l',
                '\uFF4C': 'l',
                '\u0140': 'l',
                '\u013A': 'l',
                '\u013E': 'l',
                '\u1E37': 'l',
                '\u1E39': 'l',
                '\u013C': 'l',
                '\u1E3D': 'l',
                '\u1E3B': 'l',
                '\u017F': 'l',
                '\u0142': 'l',
                '\u019A': 'l',
                '\u026B': 'l',
                '\u2C61': 'l',
                '\uA749': 'l',
                '\uA781': 'l',
                '\uA747': 'l',
                '\u01C9': 'lj',
                '\u24DC': 'm',
                '\uFF4D': 'm',
                '\u1E3F': 'm',
                '\u1E41': 'm',
                '\u1E43': 'm',
                '\u0271': 'm',
                '\u026F': 'm',
                '\u24DD': 'n',
                '\uFF4E': 'n',
                '\u01F9': 'n',
                '\u0144': 'n',
                '\u00F1': 'n',
                '\u1E45': 'n',
                '\u0148': 'n',
                '\u1E47': 'n',
                '\u0146': 'n',
                '\u1E4B': 'n',
                '\u1E49': 'n',
                '\u019E': 'n',
                '\u0272': 'n',
                '\u0149': 'n',
                '\uA791': 'n',
                '\uA7A5': 'n',
                '\u01CC': 'nj',
                '\u24DE': 'o',
                '\uFF4F': 'o',
                '\u00F2': 'o',
                '\u00F3': 'o',
                '\u00F4': 'o',
                '\u1ED3': 'o',
                '\u1ED1': 'o',
                '\u1ED7': 'o',
                '\u1ED5': 'o',
                '\u00F5': 'o',
                '\u1E4D': 'o',
                '\u022D': 'o',
                '\u1E4F': 'o',
                '\u014D': 'o',
                '\u1E51': 'o',
                '\u1E53': 'o',
                '\u014F': 'o',
                '\u022F': 'o',
                '\u0231': 'o',
                '\u00F6': 'o',
                '\u022B': 'o',
                '\u1ECF': 'o',
                '\u0151': 'o',
                '\u01D2': 'o',
                '\u020D': 'o',
                '\u020F': 'o',
                '\u01A1': 'o',
                '\u1EDD': 'o',
                '\u1EDB': 'o',
                '\u1EE1': 'o',
                '\u1EDF': 'o',
                '\u1EE3': 'o',
                '\u1ECD': 'o',
                '\u1ED9': 'o',
                '\u01EB': 'o',
                '\u01ED': 'o',
                '\u00F8': 'o',
                '\u01FF': 'o',
                '\u0254': 'o',
                '\uA74B': 'o',
                '\uA74D': 'o',
                '\u0275': 'o',
                '\u0153': 'oe',
                '\u01A3': 'oi',
                '\u0223': 'ou',
                '\uA74F': 'oo',
                '\u24DF': 'p',
                '\uFF50': 'p',
                '\u1E55': 'p',
                '\u1E57': 'p',
                '\u01A5': 'p',
                '\u1D7D': 'p',
                '\uA751': 'p',
                '\uA753': 'p',
                '\uA755': 'p',
                '\u24E0': 'q',
                '\uFF51': 'q',
                '\u024B': 'q',
                '\uA757': 'q',
                '\uA759': 'q',
                '\u24E1': 'r',
                '\uFF52': 'r',
                '\u0155': 'r',
                '\u1E59': 'r',
                '\u0159': 'r',
                '\u0211': 'r',
                '\u0213': 'r',
                '\u1E5B': 'r',
                '\u1E5D': 'r',
                '\u0157': 'r',
                '\u1E5F': 'r',
                '\u024D': 'r',
                '\u027D': 'r',
                '\uA75B': 'r',
                '\uA7A7': 'r',
                '\uA783': 'r',
                '\u24E2': 's',
                '\uFF53': 's',
                '\u00DF': 's',
                '\u015B': 's',
                '\u1E65': 's',
                '\u015D': 's',
                '\u1E61': 's',
                '\u0161': 's',
                '\u1E67': 's',
                '\u1E63': 's',
                '\u1E69': 's',
                '\u0219': 's',
                '\u015F': 's',
                '\u023F': 's',
                '\uA7A9': 's',
                '\uA785': 's',
                '\u1E9B': 's',
                '\u24E3': 't',
                '\uFF54': 't',
                '\u1E6B': 't',
                '\u1E97': 't',
                '\u0165': 't',
                '\u1E6D': 't',
                '\u021B': 't',
                '\u0163': 't',
                '\u1E71': 't',
                '\u1E6F': 't',
                '\u0167': 't',
                '\u01AD': 't',
                '\u0288': 't',
                '\u2C66': 't',
                '\uA787': 't',
                '\uA729': 'tz',
                '\u24E4': 'u',
                '\uFF55': 'u',
                '\u00F9': 'u',
                '\u00FA': 'u',
                '\u00FB': 'u',
                '\u0169': 'u',
                '\u1E79': 'u',
                '\u016B': 'u',
                '\u1E7B': 'u',
                '\u016D': 'u',
                '\u00FC': 'u',
                '\u01DC': 'u',
                '\u01D8': 'u',
                '\u01D6': 'u',
                '\u01DA': 'u',
                '\u1EE7': 'u',
                '\u016F': 'u',
                '\u0171': 'u',
                '\u01D4': 'u',
                '\u0215': 'u',
                '\u0217': 'u',
                '\u01B0': 'u',
                '\u1EEB': 'u',
                '\u1EE9': 'u',
                '\u1EEF': 'u',
                '\u1EED': 'u',
                '\u1EF1': 'u',
                '\u1EE5': 'u',
                '\u1E73': 'u',
                '\u0173': 'u',
                '\u1E77': 'u',
                '\u1E75': 'u',
                '\u0289': 'u',
                '\u24E5': 'v',
                '\uFF56': 'v',
                '\u1E7D': 'v',
                '\u1E7F': 'v',
                '\u028B': 'v',
                '\uA75F': 'v',
                '\u028C': 'v',
                '\uA761': 'vy',
                '\u24E6': 'w',
                '\uFF57': 'w',
                '\u1E81': 'w',
                '\u1E83': 'w',
                '\u0175': 'w',
                '\u1E87': 'w',
                '\u1E85': 'w',
                '\u1E98': 'w',
                '\u1E89': 'w',
                '\u2C73': 'w',
                '\u24E7': 'x',
                '\uFF58': 'x',
                '\u1E8B': 'x',
                '\u1E8D': 'x',
                '\u24E8': 'y',
                '\uFF59': 'y',
                '\u1EF3': 'y',
                '\u00FD': 'y',
                '\u0177': 'y',
                '\u1EF9': 'y',
                '\u0233': 'y',
                '\u1E8F': 'y',
                '\u00FF': 'y',
                '\u1EF7': 'y',
                '\u1E99': 'y',
                '\u1EF5': 'y',
                '\u01B4': 'y',
                '\u024F': 'y',
                '\u1EFF': 'y',
                '\u24E9': 'z',
                '\uFF5A': 'z',
                '\u017A': 'z',
                '\u1E91': 'z',
                '\u017C': 'z',
                '\u017E': 'z',
                '\u1E93': 'z',
                '\u1E95': 'z',
                '\u01B6': 'z',
                '\u0225': 'z',
                '\u0240': 'z',
                '\u2C6C': 'z',
                '\uA763': 'z',
                '\u0386': '\u0391',
                '\u0388': '\u0395',
                '\u0389': '\u0397',
                '\u038A': '\u0399',
                '\u03AA': '\u0399',
                '\u038C': '\u039F',
                '\u038E': '\u03A5',
                '\u03AB': '\u03A5',
                '\u038F': '\u03A9',
                '\u03AC': '\u03B1',
                '\u03AD': '\u03B5',
                '\u03AE': '\u03B7',
                '\u03AF': '\u03B9',
                '\u03CA': '\u03B9',
                '\u0390': '\u03B9',
                '\u03CC': '\u03BF',
                '\u03CD': '\u03C5',
                '\u03CB': '\u03C5',
                '\u03B0': '\u03C5',
                '\u03CE': '\u03C9',
                '\u03C2': '\u03C3',
                '\u2019': '\''
            };

            return diacritics;
        });

        S2.define('select2/data/base', [
            '../utils'
        ], function (Utils) {
            function BaseAdapter($element, options) {
                BaseAdapter.__super__.constructor.call(this);
            }

            Utils.Extend(BaseAdapter, Utils.Observable);

            BaseAdapter.prototype.current = function (callback) {
                throw new Error('The `current` method must be defined in child classes.');
            };

            BaseAdapter.prototype.query = function (params, callback) {
                throw new Error('The `query` method must be defined in child classes.');
            };

            BaseAdapter.prototype.bind = function (container, $container) {
                // Can be implemented in subclasses
            };

            BaseAdapter.prototype.destroy = function () {
                // Can be implemented in subclasses
            };

            BaseAdapter.prototype.generateResultId = function (container, data) {
                var id = container.id + '-result-';

                id += Utils.generateChars(4);

                if (data.id != null) {
                    id += '-' + data.id.toString();
                } else {
                    id += '-' + Utils.generateChars(4);
                }
                return id;
            };

            return BaseAdapter;
        });

        S2.define('select2/data/select', [
            './base',
            '../utils',
            'jquery'
        ], function (BaseAdapter, Utils, $) {
            function SelectAdapter($element, options) {
                this.$element = $element;
                this.options = options;

                SelectAdapter.__super__.constructor.call(this);
            }

            Utils.Extend(SelectAdapter, BaseAdapter);

            SelectAdapter.prototype.current = function (callback) {
                var self = this;

                var data = Array.prototype.map.call(
                    this.$element[0].querySelectorAll(':checked'),
                    function (selectedElement) {
                        return self.item($(selectedElement));
                    }
                );

                callback(data);
            };

            SelectAdapter.prototype.select = function (data) {
                var self = this;

                data.selected = true;

                // If data.element is a DOM node, use it instead
                if (
                    data.element != null && data.element.tagName.toLowerCase() === 'option'
                ) {
                    data.element.selected = true;

                    this.$element.trigger('input').trigger('change');

                    return;
                }

                if (this.$element.prop('multiple')) {
                    this.current(function (currentData) {
                        var val = [];

                        data = [data];
                        data.push.apply(data, currentData);

                        for (var d = 0; d < data.length; d++) {
                            var id = data[d].id;

                            if (val.indexOf(id) === -1) {
                                val.push(id);
                            }
                        }

                        self.$element.val(val);
                        self.$element.trigger('input').trigger('change');
                    });
                } else {
                    var val = data.id;

                    this.$element.val(val);
                    this.$element.trigger('input').trigger('change');
                }
            };

            SelectAdapter.prototype.unselect = function (data) {
                var self = this;

                if (!this.$element.prop('multiple')) {
                    return;
                }

                data.selected = false;

                if (
                    data.element != null &&
                    data.element.tagName.toLowerCase() === 'option'
                ) {
                    data.element.selected = false;

                    this.$element.trigger('input').trigger('change');

                    return;
                }

                this.current(function (currentData) {
                    var val = [];

                    for (var d = 0; d < currentData.length; d++) {
                        var id = currentData[d].id;

                        if (id !== data.id && val.indexOf(id) === -1) {
                            val.push(id);
                        }
                    }

                    self.$element.val(val);

                    self.$element.trigger('input').trigger('change');
                });
            };

            SelectAdapter.prototype.bind = function (container, $container) {
                var self = this;

                this.container = container;

                container.on('select', function (params) {
                    self.select(params.data);
                });

                container.on('unselect', function (params) {
                    self.unselect(params.data);
                });
            };

            SelectAdapter.prototype.destroy = function () {
                // Remove anything added to child elements
                this.$element.find('*').each(function () {
                    // Remove any custom data set by Select2
                    Utils.RemoveData(this);
                });
            };

            SelectAdapter.prototype.query = function (params, callback) {
                var data = [];
                var self = this;

                var $options = this.$element.children();

                $options.each(function () {
                    if (
                        this.tagName.toLowerCase() !== 'option' &&
                        this.tagName.toLowerCase() !== 'optgroup'
                    ) {
                        return;
                    }

                    var $option = $(this);

                    var option = self.item($option);

                    var matches = self.matches(params, option);

                    if (matches !== null) {
                        data.push(matches);
                    }
                });

                callback({
                    results: data
                });
            };

            SelectAdapter.prototype.addOptions = function ($options) {
                this.$element.append($options);
            };

            SelectAdapter.prototype.option = function (data) {
                var option;

                if (data.children) {
                    option = document.createElement('optgroup');
                    option.label = data.text;
                } else {
                    option = document.createElement('option');

                    if (option.textContent !== undefined) {
                        option.textContent = data.text;
                    } else {
                        option.innerText = data.text;
                    }
                }

                if (data.id !== undefined) {
                    option.value = data.id;
                }

                if (data.disabled) {
                    option.disabled = true;
                }

                if (data.selected) {
                    option.selected = true;
                }

                if (data.title) {
                    option.title = data.title;
                }

                var normalizedData = this._normalizeItem(data);
                normalizedData.element = option;

                // Override the option's data with the combined data
                Utils.StoreData(option, 'data', normalizedData);

                return $(option);
            };

            SelectAdapter.prototype.item = function ($option) {
                var data = {};

                data = Utils.GetData($option[0], 'data');

                if (data != null) {
                    return data;
                }

                var option = $option[0];

                if (option.tagName.toLowerCase() === 'option') {
                    data = {
                        id: $option.val(),
                        text: $option.text(),
                        disabled: $option.prop('disabled'),
                        selected: $option.prop('selected'),
                        title: $option.prop('title')
                    };
                } else if (option.tagName.toLowerCase() === 'optgroup') {
                    data = {
                        text: $option.prop('label'),
                        children: [],
                        title: $option.prop('title')
                    };

                    var $children = $option.children('option');
                    var children = [];

                    for (var c = 0; c < $children.length; c++) {
                        var $child = $($children[c]);

                        var child = this.item($child);

                        children.push(child);
                    }

                    data.children = children;
                }

                data = this._normalizeItem(data);
                data.element = $option[0];

                Utils.StoreData($option[0], 'data', data);

                return data;
            };

            SelectAdapter.prototype._normalizeItem = function (item) {
                if (item !== Object(item)) {
                    item = {
                        id: item,
                        text: item
                    };
                }

                item = $.extend({}, {
                    text: ''
                }, item);

                var defaults = {
                    selected: false,
                    disabled: false
                };

                if (item.id != null) {
                    item.id = item.id.toString();
                }

                if (item.text != null) {
                    item.text = item.text.toString();
                }

                if (item._resultId == null && item.id && this.container != null) {
                    item._resultId = this.generateResultId(this.container, item);
                }

                return $.extend({}, defaults, item);
            };

            SelectAdapter.prototype.matches = function (params, data) {
                var matcher = this.options.get('matcher');

                return matcher(params, data);
            };

            return SelectAdapter;
        });

        S2.define('select2/data/array', [
            './select',
            '../utils',
            'jquery'
        ], function (SelectAdapter, Utils, $) {
            function ArrayAdapter($element, options) {
                this._dataToConvert = options.get('data') || [];

                ArrayAdapter.__super__.constructor.call(this, $element, options);
            }

            Utils.Extend(ArrayAdapter, SelectAdapter);

            ArrayAdapter.prototype.bind = function (container, $container) {
                ArrayAdapter.__super__.bind.call(this, container, $container);

                this.addOptions(this.convertToOptions(this._dataToConvert));
            };

            ArrayAdapter.prototype.select = function (data) {
                var $option = this.$element.find('option').filter(function (i, elm) {
                    return elm.value == data.id.toString();
                });

                if ($option.length === 0) {
                    $option = this.option(data);

                    this.addOptions($option);
                }

                ArrayAdapter.__super__.select.call(this, data);
            };

            ArrayAdapter.prototype.convertToOptions = function (data) {
                var self = this;

                var $existing = this.$element.find('option');
                var existingIds = $existing.map(function () {
                    return self.item($(this)).id;
                }).get();

                var $options = [];

                // Filter out all items except for the one passed in the argument
                function onlyItem(item) {
                    return function () {
                        return $(this).val() == item.id;
                    };
                }

                for (var d = 0; d < data.length; d++) {
                    var item = this._normalizeItem(data[d]);

                    // Skip items which were pre-loaded, only merge the data
                    if (existingIds.indexOf(item.id) >= 0) {
                        var $existingOption = $existing.filter(onlyItem(item));

                        var existingData = this.item($existingOption);
                        var newData = $.extend(true, {}, item, existingData);

                        var $newOption = this.option(newData);

                        $existingOption.replaceWith($newOption);

                        continue;
                    }

                    var $option = this.option(item);

                    if (item.children) {
                        var $children = this.convertToOptions(item.children);

                        $option.append($children);
                    }

                    $options.push($option);
                }

                return $options;
            };

            return ArrayAdapter;
        });

        S2.define('select2/data/ajax', [
            './array',
            '../utils',
            'jquery'
        ], function (ArrayAdapter, Utils, $) {
            function AjaxAdapter($element, options) {
                this.ajaxOptions = this._applyDefaults(options.get('ajax'));

                if (this.ajaxOptions.processResults != null) {
                    this.processResults = this.ajaxOptions.processResults;
                }

                AjaxAdapter.__super__.constructor.call(this, $element, options);
            }

            Utils.Extend(AjaxAdapter, ArrayAdapter);

            AjaxAdapter.prototype._applyDefaults = function (options) {
                var defaults = {
                    data: function (params) {
                        return $.extend({}, params, {
                            q: params.term
                        });
                    },
                    transport: function (params, success, failure) {
                        var $request = $.ajax(params);

                        $request.then(success);
                        $request.fail(failure);

                        return $request;
                    }
                };

                return $.extend({}, defaults, options, true);
            };

            AjaxAdapter.prototype.processResults = function (results) {
                return results;
            };

            AjaxAdapter.prototype.query = function (params, callback) {
                var matches = [];
                var self = this;

                if (this._request != null) {
                    // JSONP requests cannot always be aborted
                    if (typeof this._request.abort === 'function') {
                        this._request.abort();
                    }

                    this._request = null;
                }

                var options = $.extend({
                    type: 'GET'
                }, this.ajaxOptions);

                if (typeof options.url === 'function') {
                    options.url = options.url.call(this.$element, params);
                }

                if (typeof options.data === 'function') {
                    options.data = options.data.call(this.$element, params);
                }

                function request() {
                    var $request = options.transport(options, function (data) {
                        var results = self.processResults(data, params);

                        if (self.options.get('debug') && window.console && console.error) {
                            // Check to make sure that the response included a `results` key.
                            if (!results || !results.results || !Array.isArray(results.results)) {
                                console.error(
                                    'Select2: The AJAX results did not return an array in the ' +
                                    '`results` key of the response.'
                                );
                            }
                        }

                        callback(results);
                    }, function () {
                        // Attempt to detect if a request was aborted
                        // Only works if the transport exposes a status property
                        if ('status' in $request &&
                            ($request.status === 0 || $request.status === '0')) {
                            return;
                        }

                        self.trigger('results:message', {
                            message: 'errorLoading'
                        });
                    });

                    self._request = $request;
                }

                if (this.ajaxOptions.delay && params.term != null) {
                    if (this._queryTimeout) {
                        window.clearTimeout(this._queryTimeout);
                    }

                    this._queryTimeout = window.setTimeout(request, this.ajaxOptions.delay);
                } else {
                    request();
                }
            };

            return AjaxAdapter;
        });

        S2.define('select2/data/tags', [
            'jquery'
        ], function ($) {
            function Tags(decorated, $element, options) {
                var tags = options.get('tags');

                var createTag = options.get('createTag');

                if (createTag !== undefined) {
                    this.createTag = createTag;
                }

                var insertTag = options.get('insertTag');

                if (insertTag !== undefined) {
                    this.insertTag = insertTag;
                }

                decorated.call(this, $element, options);

                if (Array.isArray(tags)) {
                    for (var t = 0; t < tags.length; t++) {
                        var tag = tags[t];
                        var item = this._normalizeItem(tag);

                        var $option = this.option(item);

                        this.$element.append($option);
                    }
                }
            }

            Tags.prototype.query = function (decorated, params, callback) {
                var self = this;

                this._removeOldTags();

                if (params.term == null || params.page != null) {
                    decorated.call(this, params, callback);
                    return;
                }

                function wrapper(obj, child) {
                    var data = obj.results;

                    for (var i = 0; i < data.length; i++) {
                        var option = data[i];

                        var checkChildren = (
                            option.children != null &&
                            !wrapper({
                                results: option.children
                            }, true)
                        );

                        var optionText = (option.text || '').toUpperCase();
                        var paramsTerm = (params.term || '').toUpperCase();

                        var checkText = optionText === paramsTerm;

                        if (checkText || checkChildren) {
                            if (child) {
                                return false;
                            }

                            obj.data = data;
                            callback(obj);

                            return;
                        }
                    }

                    if (child) {
                        return true;
                    }

                    var tag = self.createTag(params);

                    if (tag != null) {
                        var $option = self.option(tag);
                        $option.attr('data-select2-tag', 'true');

                        self.addOptions([$option]);

                        self.insertTag(data, tag);
                    }

                    obj.results = data;

                    callback(obj);
                }

                decorated.call(this, params, wrapper);
            };

            Tags.prototype.createTag = function (decorated, params) {
                if (params.term == null) {
                    return null;
                }

                var term = params.term.trim();

                if (term === '') {
                    return null;
                }

                return {
                    id: term,
                    text: term
                };
            };

            Tags.prototype.insertTag = function (_, data, tag) {
                data.unshift(tag);
            };

            Tags.prototype._removeOldTags = function (_) {
                var $options = this.$element.find('option[data-select2-tag]');

                $options.each(function () {
                    if (this.selected) {
                        return;
                    }

                    $(this).remove();
                });
            };

            return Tags;
        });

        S2.define('select2/data/tokenizer', [
            'jquery'
        ], function ($) {
            function Tokenizer(decorated, $element, options) {
                var tokenizer = options.get('tokenizer');

                if (tokenizer !== undefined) {
                    this.tokenizer = tokenizer;
                }

                decorated.call(this, $element, options);
            }

            Tokenizer.prototype.bind = function (decorated, container, $container) {
                decorated.call(this, container, $container);

                this.$search = container.dropdown.$search || container.selection.$search ||
                    $container.find('.select2-search__field');
            };

            Tokenizer.prototype.query = function (decorated, params, callback) {
                var self = this;

                function createAndSelect(data) {
                    // Normalize the data object so we can use it for checks
                    var item = self._normalizeItem(data);

                    // Check if the data object already exists as a tag
                    // Select it if it doesn't
                    var $existingOptions = self.$element.find('option').filter(function () {
                        return $(this).val() === item.id;
                    });

                    // If an existing option wasn't found for it, create the option
                    if (!$existingOptions.length) {
                        var $option = self.option(item);
                        $option.attr('data-select2-tag', true);

                        self._removeOldTags();
                        self.addOptions([$option]);
                    }

                    // Select the item, now that we know there is an option for it
                    select(item);
                }

                function select(data) {
                    self.trigger('select', {
                        data: data
                    });
                }

                params.term = params.term || '';

                var tokenData = this.tokenizer(params, this.options, createAndSelect);

                if (tokenData.term !== params.term) {
                    // Replace the search term if we have the search box
                    if (this.$search.length) {
                        this.$search.val(tokenData.term);
                        this.$search.trigger('focus');
                    }

                    params.term = tokenData.term;
                }

                decorated.call(this, params, callback);
            };

            Tokenizer.prototype.tokenizer = function (_, params, options, callback) {
                var separators = options.get('tokenSeparators') || [];
                var term = params.term;
                var i = 0;

                var createTag = this.createTag || function (params) {
                    return {
                        id: params.term,
                        text: params.term
                    };
                };

                while (i < term.length) {
                    var termChar = term[i];

                    if (separators.indexOf(termChar) === -1) {
                        i++;

                        continue;
                    }

                    var part = term.substr(0, i);
                    var partParams = $.extend({}, params, {
                        term: part
                    });

                    var data = createTag(partParams);

                    if (data == null) {
                        i++;
                        continue;
                    }

                    callback(data);

                    // Reset the term to not include the tokenized portion
                    term = term.substr(i + 1) || '';
                    i = 0;
                }

                return {
                    term: term
                };
            };

            return Tokenizer;
        });

        S2.define('select2/data/minimumInputLength', [], function () {
            function MinimumInputLength(decorated, $e, options) {
                this.minimumInputLength = options.get('minimumInputLength');

                decorated.call(this, $e, options);
            }

            MinimumInputLength.prototype.query = function (decorated, params, callback) {
                params.term = params.term || '';

                if (params.term.length < this.minimumInputLength) {
                    this.trigger('results:message', {
                        message: 'inputTooShort',
                        args: {
                            minimum: this.minimumInputLength,
                            input: params.term,
                            params: params
                        }
                    });

                    return;
                }

                decorated.call(this, params, callback);
            };

            return MinimumInputLength;
        });

        S2.define('select2/data/maximumInputLength', [], function () {
            function MaximumInputLength(decorated, $e, options) {
                this.maximumInputLength = options.get('maximumInputLength');

                decorated.call(this, $e, options);
            }

            MaximumInputLength.prototype.query = function (decorated, params, callback) {
                params.term = params.term || '';

                if (this.maximumInputLength > 0 &&
                    params.term.length > this.maximumInputLength) {
                    this.trigger('results:message', {
                        message: 'inputTooLong',
                        args: {
                            maximum: this.maximumInputLength,
                            input: params.term,
                            params: params
                        }
                    });

                    return;
                }

                decorated.call(this, params, callback);
            };

            return MaximumInputLength;
        });

        S2.define('select2/data/maximumSelectionLength', [], function () {
            function MaximumSelectionLength(decorated, $e, options) {
                this.maximumSelectionLength = options.get('maximumSelectionLength');

                decorated.call(this, $e, options);
            }

            MaximumSelectionLength.prototype.bind =
                function (decorated, container, $container) {
                    var self = this;

                    decorated.call(this, container, $container);

                    container.on('select', function () {
                        self._checkIfMaximumSelected();
                    });
                };

            MaximumSelectionLength.prototype.query =
                function (decorated, params, callback) {
                    var self = this;

                    this._checkIfMaximumSelected(function () {
                        decorated.call(self, params, callback);
                    });
                };

            MaximumSelectionLength.prototype._checkIfMaximumSelected =
                function (_, successCallback) {
                    var self = this;

                    this.current(function (currentData) {
                        var count = currentData != null ? currentData.length : 0;
                        if (self.maximumSelectionLength > 0 &&
                            count >= self.maximumSelectionLength) {
                            self.trigger('results:message', {
                                message: 'maximumSelected',
                                args: {
                                    maximum: self.maximumSelectionLength
                                }
                            });
                            return;
                        }

                        if (successCallback) {
                            successCallback();
                        }
                    });
                };

            return MaximumSelectionLength;
        });

        S2.define('select2/dropdown', [
            'jquery',
            './utils'
        ], function ($, Utils) {
            function Dropdown($element, options) {
                this.$element = $element;
                this.options = options;

                Dropdown.__super__.constructor.call(this);
            }

            Utils.Extend(Dropdown, Utils.Observable);

            Dropdown.prototype.render = function () {
                var $dropdown = $(
                    '<span class="select2-dropdown">' +
                    '<span class="select2-results"></span>' +
                    '</span>'
                );

                $dropdown.attr('dir', this.options.get('dir'));

                this.$dropdown = $dropdown;

                return $dropdown;
            };

            Dropdown.prototype.bind = function () {
                // Should be implemented in subclasses
            };

            Dropdown.prototype.position = function ($dropdown, $container) {
                // Should be implemented in subclasses
            };

            Dropdown.prototype.destroy = function () {
                // Remove the dropdown from the DOM
                this.$dropdown.remove();
            };

            return Dropdown;
        });

        S2.define('select2/dropdown/search', [
            'jquery'
        ], function ($) {
            function Search() {
            }

            Search.prototype.render = function (decorated) {
                var $rendered = decorated.call(this);
                var searchLabel = this.options.get('translations').get('search');

                var $search = $(
                    '<span class="select2-search select2-search--dropdown">' +
                    '<input class="select2-search__field" type="search" tabindex="-1"' +
                    ' autocorrect="off" autocapitalize="none"' +
                    ' spellcheck="false" role="searchbox" aria-autocomplete="list" />' +
                    '</span>'
                );

                this.$searchContainer = $search;
                this.$search = $search.find('input');

                this.$search.prop('autocomplete', this.options.get('autocomplete'));
                this.$search.attr('aria-label', searchLabel());

                $rendered.prepend($search);

                return $rendered;
            };

            Search.prototype.bind = function (decorated, container, $container) {
                var self = this;

                var resultsId = container.id + '-results';

                decorated.call(this, container, $container);

                this.$search.on('keydown', function (evt) {
                    self.trigger('keypress', evt);

                    self._keyUpPrevented = evt.isDefaultPrevented();
                });

                // Workaround for browsers which do not support the `input` event
                // This will prevent double-triggering of events for browsers which support
                // both the `keyup` and `input` events.
                this.$search.on('input', function (evt) {
                    // Unbind the duplicated `keyup` event
                    $(this).off('keyup');
                });

                this.$search.on('keyup input', function (evt) {
                    self.handleSearch(evt);
                });

                container.on('open', function () {
                    self.$search.attr('tabindex', 0);
                    self.$search.attr('aria-controls', resultsId);

                    self.$search.trigger('focus');

                    window.setTimeout(function () {
                        self.$search.trigger('focus');
                    }, 0);
                });

                container.on('close', function () {
                    self.$search.attr('tabindex', -1);
                    self.$search.removeAttr('aria-controls');
                    self.$search.removeAttr('aria-activedescendant');

                    self.$search.val('');
                    self.$search.trigger('blur');
                });

                container.on('focus', function () {
                    if (!container.isOpen()) {
                        self.$search.trigger('focus');
                    }
                });

                container.on('results:all', function (params) {
                    if (params.query.term == null || params.query.term === '') {
                        var showSearch = self.showSearch(params);

                        if (showSearch) {
                            self.$searchContainer[0].classList.remove('select2-search--hide');
                        } else {
                            self.$searchContainer[0].classList.add('select2-search--hide');
                        }
                    }
                });

                container.on('results:focus', function (params) {
                    if (params.data._resultId) {
                        self.$search.attr('aria-activedescendant', params.data._resultId);
                    } else {
                        self.$search.removeAttr('aria-activedescendant');
                    }
                });
            };

            Search.prototype.handleSearch = function (evt) {
                if (!this._keyUpPrevented) {
                    var input = this.$search.val();

                    this.trigger('query', {
                        term: input
                    });
                }

                this._keyUpPrevented = false;
            };

            Search.prototype.showSearch = function (_, params) {
                return true;
            };

            return Search;
        });

        S2.define('select2/dropdown/hidePlaceholder', [], function () {
            function HidePlaceholder(decorated, $element, options, dataAdapter) {
                this.placeholder = this.normalizePlaceholder(options.get('placeholder'));

                decorated.call(this, $element, options, dataAdapter);
            }

            HidePlaceholder.prototype.append = function (decorated, data) {
                data.results = this.removePlaceholder(data.results);

                decorated.call(this, data);
            };

            HidePlaceholder.prototype.normalizePlaceholder = function (_, placeholder) {
                if (typeof placeholder === 'string') {
                    placeholder = {
                        id: '',
                        text: placeholder
                    };
                }

                return placeholder;
            };

            HidePlaceholder.prototype.removePlaceholder = function (_, data) {
                var modifiedData = data.slice(0);

                for (var d = data.length - 1; d >= 0; d--) {
                    var item = data[d];

                    if (this.placeholder.id === item.id) {
                        modifiedData.splice(d, 1);
                    }
                }

                return modifiedData;
            };

            return HidePlaceholder;
        });

        S2.define('select2/dropdown/infiniteScroll', [
            'jquery'
        ], function ($) {
            function InfiniteScroll(decorated, $element, options, dataAdapter) {
                this.lastParams = {};

                decorated.call(this, $element, options, dataAdapter);

                this.$loadingMore = this.createLoadingMore();
                this.loading = false;
            }

            InfiniteScroll.prototype.append = function (decorated, data) {
                this.$loadingMore.remove();
                this.loading = false;

                decorated.call(this, data);

                if (this.showLoadingMore(data)) {
                    this.$results.append(this.$loadingMore);
                    this.loadMoreIfNeeded();
                }
            };

            InfiniteScroll.prototype.bind = function (decorated, container, $container) {
                var self = this;

                decorated.call(this, container, $container);

                container.on('query', function (params) {
                    self.lastParams = params;
                    self.loading = true;
                });

                container.on('query:append', function (params) {
                    self.lastParams = params;
                    self.loading = true;
                });

                this.$results.on('scroll', this.loadMoreIfNeeded.bind(this));
            };

            InfiniteScroll.prototype.loadMoreIfNeeded = function () {
                var isLoadMoreVisible = $.contains(
                    document.documentElement,
                    this.$loadingMore[0]
                );

                if (this.loading || !isLoadMoreVisible) {
                    return;
                }

                var currentOffset = this.$results.offset().top +
                    this.$results.outerHeight(false);
                var loadingMoreOffset = this.$loadingMore.offset().top +
                    this.$loadingMore.outerHeight(false);

                if (currentOffset + 50 >= loadingMoreOffset) {
                    this.loadMore();
                }
            };

            InfiniteScroll.prototype.loadMore = function () {
                this.loading = true;

                var params = $.extend({}, {page: 1}, this.lastParams);

                params.page++;

                this.trigger('query:append', params);
            };

            InfiniteScroll.prototype.showLoadingMore = function (_, data) {
                return data.pagination && data.pagination.more;
            };

            InfiniteScroll.prototype.createLoadingMore = function () {
                var $option = $(
                    '<li ' +
                    'class="select2-results__option select2-results__option--load-more"' +
                    'role="option" aria-disabled="true"></li>'
                );

                var message = this.options.get('translations').get('loadingMore');

                $option.html(message(this.lastParams));

                return $option;
            };

            return InfiniteScroll;
        });

        S2.define('select2/dropdown/attachBody', [
            'jquery',
            '../utils'
        ], function ($, Utils) {
            function AttachBody(decorated, $element, options) {
                this.$dropdownParent = $(options.get('dropdownParent') || document.body);

                decorated.call(this, $element, options);
            }

            AttachBody.prototype.bind = function (decorated, container, $container) {
                var self = this;

                decorated.call(this, container, $container);

                container.on('open', function () {
                    self._showDropdown();
                    self._attachPositioningHandler(container);

                    // Must bind after the results handlers to ensure correct sizing
                    self._bindContainerResultHandlers(container);
                });

                container.on('close', function () {
                    self._hideDropdown();
                    self._detachPositioningHandler(container);
                });

                this.$dropdownContainer.on('mousedown', function (evt) {
                    evt.stopPropagation();
                });
            };

            AttachBody.prototype.destroy = function (decorated) {
                decorated.call(this);

                this.$dropdownContainer.remove();
            };

            AttachBody.prototype.position = function (decorated, $dropdown, $container) {
                // Clone all of the container classes
                $dropdown.attr('class', $container.attr('class'));

                $dropdown[0].classList.remove('select2');
                $dropdown[0].classList.add('select2-container--open');

                $dropdown.css({
                    position: 'absolute',
                    top: -999999
                });

                this.$container = $container;
            };

            AttachBody.prototype.render = function (decorated) {
                var $container = $('<span></span>');

                var $dropdown = decorated.call(this);
                $container.append($dropdown);

                this.$dropdownContainer = $container;

                return $container;
            };

            AttachBody.prototype._hideDropdown = function (decorated) {
                this.$dropdownContainer.detach();
            };

            AttachBody.prototype._bindContainerResultHandlers =
                function (decorated, container) {

                    // These should only be bound once
                    if (this._containerResultsHandlersBound) {
                        return;
                    }

                    var self = this;

                    container.on('results:all', function () {
                        self._positionDropdown();
                        self._resizeDropdown();
                    });

                    container.on('results:append', function () {
                        self._positionDropdown();
                        self._resizeDropdown();
                    });

                    container.on('results:message', function () {
                        self._positionDropdown();
                        self._resizeDropdown();
                    });

                    container.on('select', function () {
                        self._positionDropdown();
                        self._resizeDropdown();
                    });

                    container.on('unselect', function () {
                        self._positionDropdown();
                        self._resizeDropdown();
                    });

                    this._containerResultsHandlersBound = true;
                };

            AttachBody.prototype._attachPositioningHandler =
                function (decorated, container) {
                    var self = this;

                    var scrollEvent = 'scroll.select2.' + container.id;
                    var resizeEvent = 'resize.select2.' + container.id;
                    var orientationEvent = 'orientationchange.select2.' + container.id;

                    var $watchers = this.$container.parents().filter(Utils.hasScroll);
                    $watchers.each(function () {
                        Utils.StoreData(this, 'select2-scroll-position', {
                            x: $(this).scrollLeft(),
                            y: $(this).scrollTop()
                        });
                    });

                    $watchers.on(scrollEvent, function (ev) {
                        var position = Utils.GetData(this, 'select2-scroll-position');
                        $(this).scrollTop(position.y);
                    });

                    $(window).on(scrollEvent + ' ' + resizeEvent + ' ' + orientationEvent,
                        function (e) {
                            self._positionDropdown();
                            self._resizeDropdown();
                        });
                };

            AttachBody.prototype._detachPositioningHandler =
                function (decorated, container) {
                    var scrollEvent = 'scroll.select2.' + container.id;
                    var resizeEvent = 'resize.select2.' + container.id;
                    var orientationEvent = 'orientationchange.select2.' + container.id;

                    var $watchers = this.$container.parents().filter(Utils.hasScroll);
                    $watchers.off(scrollEvent);

                    $(window).off(scrollEvent + ' ' + resizeEvent + ' ' + orientationEvent);
                };

            AttachBody.prototype._positionDropdown = function () {
                var $window = $(window);

                var isCurrentlyAbove = this.$dropdown[0].classList
                    .contains('select2-dropdown--above');
                var isCurrentlyBelow = this.$dropdown[0].classList
                    .contains('select2-dropdown--below');

                var newDirection = null;

                var offset = this.$container.offset();

                offset.bottom = offset.top + this.$container.outerHeight(false);

                var container = {
                    height: this.$container.outerHeight(false)
                };

                container.top = offset.top;
                container.bottom = offset.top + container.height;

                var dropdown = {
                    height: this.$dropdown.outerHeight(false)
                };

                var viewport = {
                    top: $window.scrollTop(),
                    bottom: $window.scrollTop() + $window.height()
                };

                var enoughRoomAbove = viewport.top < (offset.top - dropdown.height);
                var enoughRoomBelow = viewport.bottom > (offset.bottom + dropdown.height);

                var css = {
                    left: offset.left,
                    top: container.bottom
                };

                // Determine what the parent element is to use for calculating the offset
                var $offsetParent = this.$dropdownParent;

                // For statically positioned elements, we need to get the element
                // that is determining the offset
                if ($offsetParent.css('position') === 'static') {
                    $offsetParent = $offsetParent.offsetParent();
                }

                var parentOffset = {
                    top: 0,
                    left: 0
                };

                if (
                    $.contains(document.body, $offsetParent[0]) ||
                    $offsetParent[0].isConnected
                ) {
                    parentOffset = $offsetParent.offset();
                }

                css.top -= parentOffset.top;
                css.left -= parentOffset.left;

                if (!isCurrentlyAbove && !isCurrentlyBelow) {
                    newDirection = 'below';
                }

                if (!enoughRoomBelow && enoughRoomAbove && !isCurrentlyAbove) {
                    newDirection = 'above';
                } else if (!enoughRoomAbove && enoughRoomBelow && isCurrentlyAbove) {
                    newDirection = 'below';
                }

                if (newDirection == 'above' ||
                    (isCurrentlyAbove && newDirection !== 'below')) {
                    css.top = container.top - parentOffset.top - dropdown.height;
                }

                if (newDirection != null) {
                    this.$dropdown[0].classList.remove('select2-dropdown--below');
                    this.$dropdown[0].classList.remove('select2-dropdown--above');
                    this.$dropdown[0].classList.add('select2-dropdown--' + newDirection);

                    this.$container[0].classList.remove('select2-container--below');
                    this.$container[0].classList.remove('select2-container--above');
                    this.$container[0].classList.add('select2-container--' + newDirection);
                }

                this.$dropdownContainer.css(css);
            };

            AttachBody.prototype._resizeDropdown = function () {
                var css = {
                    width: this.$container.outerWidth(false) + 'px'
                };

                if (this.options.get('dropdownAutoWidth')) {
                    css.minWidth = css.width;
                    css.position = 'relative';
                    css.width = 'auto';
                }

                this.$dropdown.css(css);
            };

            AttachBody.prototype._showDropdown = function (decorated) {
                this.$dropdownContainer.appendTo(this.$dropdownParent);

                this._positionDropdown();
                this._resizeDropdown();
            };

            return AttachBody;
        });

        S2.define('select2/dropdown/minimumResultsForSearch', [], function () {
            function countResults(data) {
                var count = 0;

                for (var d = 0; d < data.length; d++) {
                    var item = data[d];

                    if (item.children) {
                        count += countResults(item.children);
                    } else {
                        count++;
                    }
                }

                return count;
            }

            function MinimumResultsForSearch(decorated, $element, options, dataAdapter) {
                this.minimumResultsForSearch = options.get('minimumResultsForSearch');

                if (this.minimumResultsForSearch < 0) {
                    this.minimumResultsForSearch = Infinity;
                }

                decorated.call(this, $element, options, dataAdapter);
            }

            MinimumResultsForSearch.prototype.showSearch = function (decorated, params) {
                if (countResults(params.data.results) < this.minimumResultsForSearch) {
                    return false;
                }

                return decorated.call(this, params);
            };

            return MinimumResultsForSearch;
        });

        S2.define('select2/dropdown/selectOnClose', [
            '../utils'
        ], function (Utils) {
            function SelectOnClose() {
            }

            SelectOnClose.prototype.bind = function (decorated, container, $container) {
                var self = this;

                decorated.call(this, container, $container);

                container.on('close', function (params) {
                    self._handleSelectOnClose(params);
                });
            };

            SelectOnClose.prototype._handleSelectOnClose = function (_, params) {
                if (params && params.originalSelect2Event != null) {
                    var event = params.originalSelect2Event;

                    // Don't select an item if the close event was triggered from a select or
                    // unselect event
                    if (event._type === 'select' || event._type === 'unselect') {
                        return;
                    }
                }

                var $highlightedResults = this.getHighlightedResults();

                // Only select highlighted results
                if ($highlightedResults.length < 1) {
                    return;
                }

                var data = Utils.GetData($highlightedResults[0], 'data');

                // Don't re-select already selected resulte
                if (
                    (data.element != null && data.element.selected) ||
                    (data.element == null && data.selected)
                ) {
                    return;
                }

                this.trigger('select', {
                    data: data
                });
            };

            return SelectOnClose;
        });

        S2.define('select2/dropdown/closeOnSelect', [], function () {
            function CloseOnSelect() {
            }

            CloseOnSelect.prototype.bind = function (decorated, container, $container) {
                var self = this;

                decorated.call(this, container, $container);

                container.on('select', function (evt) {
                    self._selectTriggered(evt);
                });

                container.on('unselect', function (evt) {
                    self._selectTriggered(evt);
                });
            };

            CloseOnSelect.prototype._selectTriggered = function (_, evt) {
                var originalEvent = evt.originalEvent;

                // Don't close if the control key is being held
                if (originalEvent && (originalEvent.ctrlKey || originalEvent.metaKey)) {
                    return;
                }

                this.trigger('close', {
                    originalEvent: originalEvent,
                    originalSelect2Event: evt
                });
            };

            return CloseOnSelect;
        });

        S2.define('select2/dropdown/dropdownCss', [
            '../utils'
        ], function (Utils) {
            function DropdownCSS() {
            }

            DropdownCSS.prototype.render = function (decorated) {
                var $dropdown = decorated.call(this);

                var dropdownCssClass = this.options.get('dropdownCssClass') || '';

                if (dropdownCssClass.indexOf(':all:') !== -1) {
                    dropdownCssClass = dropdownCssClass.replace(':all:', '');

                    Utils.copyNonInternalCssClasses($dropdown[0], this.$element[0]);
                }

                $dropdown.addClass(dropdownCssClass);

                return $dropdown;
            };

            return DropdownCSS;
        });

        S2.define('select2/dropdown/tagsSearchHighlight', [
            '../utils'
        ], function (Utils) {
            function TagsSearchHighlight() {
            }

            TagsSearchHighlight.prototype.highlightFirstItem = function (decorated) {
                var $options = this.$results
                    .find(
                        '.select2-results__option--selectable' +
                        ':not(.select2-results__option--selected)'
                    );

                if ($options.length > 0) {
                    var $firstOption = $options.first();
                    var data = Utils.GetData($firstOption[0], 'data');
                    var firstElement = data.element;

                    if (firstElement && firstElement.getAttribute) {
                        if (firstElement.getAttribute('data-select2-tag') === 'true') {
                            $firstOption.trigger('mouseenter');

                            return;
                        }
                    }
                }

                decorated.call(this);
            };

            return TagsSearchHighlight;
        });

        S2.define('select2/i18n/en', [], function () {
            // English
            return {
                errorLoading: function () {
                    return 'The results could not be loaded.';
                },
                inputTooLong: function (args) {
                    var overChars = args.input.length - args.maximum;

                    var message = 'Please delete ' + overChars + ' character';

                    if (overChars != 1) {
                        message += 's';
                    }

                    return message;
                },
                inputTooShort: function (args) {
                    var remainingChars = args.minimum - args.input.length;

                    var message = 'Please enter ' + remainingChars + ' or more characters';

                    return message;
                },
                loadingMore: function () {
                    return 'Loading more results…';
                },
                maximumSelected: function (args) {
                    var message = 'You can only select ' + args.maximum + ' item';

                    if (args.maximum != 1) {
                        message += 's';
                    }

                    return message;
                },
                noResults: function () {
                    return 'No results found';
                },
                searching: function () {
                    return 'Searching…';
                },
                removeAllItems: function () {
                    return 'Remove all items';
                },
                removeItem: function () {
                    return 'Remove item';
                },
                search: function () {
                    return 'Search';
                }
            };
        });

        S2.define('select2/defaults', [
            'jquery',

            './results',

            './selection/single',
            './selection/multiple',
            './selection/placeholder',
            './selection/allowClear',
            './selection/search',
            './selection/selectionCss',
            './selection/eventRelay',

            './utils',
            './translation',
            './diacritics',

            './data/select',
            './data/array',
            './data/ajax',
            './data/tags',
            './data/tokenizer',
            './data/minimumInputLength',
            './data/maximumInputLength',
            './data/maximumSelectionLength',

            './dropdown',
            './dropdown/search',
            './dropdown/hidePlaceholder',
            './dropdown/infiniteScroll',
            './dropdown/attachBody',
            './dropdown/minimumResultsForSearch',
            './dropdown/selectOnClose',
            './dropdown/closeOnSelect',
            './dropdown/dropdownCss',
            './dropdown/tagsSearchHighlight',

            './i18n/en'
        ], function ($,
                     ResultsList,
                     SingleSelection, MultipleSelection, Placeholder, AllowClear,
                     SelectionSearch, SelectionCSS, EventRelay,
                     Utils, Translation, DIACRITICS,
                     SelectData, ArrayData, AjaxData, Tags, Tokenizer,
                     MinimumInputLength, MaximumInputLength, MaximumSelectionLength,
                     Dropdown, DropdownSearch, HidePlaceholder, InfiniteScroll,
                     AttachBody, MinimumResultsForSearch, SelectOnClose, CloseOnSelect,
                     DropdownCSS, TagsSearchHighlight,
                     EnglishTranslation) {
            function Defaults() {
                this.reset();
            }

            Defaults.prototype.apply = function (options) {
                options = $.extend(true, {}, this.defaults, options);

                if (options.dataAdapter == null) {
                    if (options.ajax != null) {
                        options.dataAdapter = AjaxData;
                    } else if (options.data != null) {
                        options.dataAdapter = ArrayData;
                    } else {
                        options.dataAdapter = SelectData;
                    }

                    if (options.minimumInputLength > 0) {
                        options.dataAdapter = Utils.Decorate(
                            options.dataAdapter,
                            MinimumInputLength
                        );
                    }

                    if (options.maximumInputLength > 0) {
                        options.dataAdapter = Utils.Decorate(
                            options.dataAdapter,
                            MaximumInputLength
                        );
                    }

                    if (options.maximumSelectionLength > 0) {
                        options.dataAdapter = Utils.Decorate(
                            options.dataAdapter,
                            MaximumSelectionLength
                        );
                    }

                    if (options.tags) {
                        options.dataAdapter = Utils.Decorate(options.dataAdapter, Tags);
                    }

                    if (options.tokenSeparators != null || options.tokenizer != null) {
                        options.dataAdapter = Utils.Decorate(
                            options.dataAdapter,
                            Tokenizer
                        );
                    }
                }

                if (options.resultsAdapter == null) {
                    options.resultsAdapter = ResultsList;

                    if (options.ajax != null) {
                        options.resultsAdapter = Utils.Decorate(
                            options.resultsAdapter,
                            InfiniteScroll
                        );
                    }

                    if (options.placeholder != null) {
                        options.resultsAdapter = Utils.Decorate(
                            options.resultsAdapter,
                            HidePlaceholder
                        );
                    }

                    if (options.selectOnClose) {
                        options.resultsAdapter = Utils.Decorate(
                            options.resultsAdapter,
                            SelectOnClose
                        );
                    }

                    if (options.tags) {
                        options.resultsAdapter = Utils.Decorate(
                            options.resultsAdapter,
                            TagsSearchHighlight
                        );
                    }
                }

                if (options.dropdownAdapter == null) {
                    if (options.multiple) {
                        options.dropdownAdapter = Dropdown;
                    } else {
                        var SearchableDropdown = Utils.Decorate(Dropdown, DropdownSearch);

                        options.dropdownAdapter = SearchableDropdown;
                    }

                    if (options.minimumResultsForSearch !== 0) {
                        options.dropdownAdapter = Utils.Decorate(
                            options.dropdownAdapter,
                            MinimumResultsForSearch
                        );
                    }

                    if (options.closeOnSelect) {
                        options.dropdownAdapter = Utils.Decorate(
                            options.dropdownAdapter,
                            CloseOnSelect
                        );
                    }

                    if (options.dropdownCssClass != null) {
                        options.dropdownAdapter = Utils.Decorate(
                            options.dropdownAdapter,
                            DropdownCSS
                        );
                    }

                    options.dropdownAdapter = Utils.Decorate(
                        options.dropdownAdapter,
                        AttachBody
                    );
                }

                if (options.selectionAdapter == null) {
                    if (options.multiple) {
                        options.selectionAdapter = MultipleSelection;
                    } else {
                        options.selectionAdapter = SingleSelection;
                    }

                    // Add the placeholder mixin if a placeholder was specified
                    if (options.placeholder != null) {
                        options.selectionAdapter = Utils.Decorate(
                            options.selectionAdapter,
                            Placeholder
                        );
                    }

                    if (options.allowClear) {
                        options.selectionAdapter = Utils.Decorate(
                            options.selectionAdapter,
                            AllowClear
                        );
                    }

                    if (options.multiple) {
                        options.selectionAdapter = Utils.Decorate(
                            options.selectionAdapter,
                            SelectionSearch
                        );
                    }

                    if (options.selectionCssClass != null) {
                        options.selectionAdapter = Utils.Decorate(
                            options.selectionAdapter,
                            SelectionCSS
                        );
                    }

                    options.selectionAdapter = Utils.Decorate(
                        options.selectionAdapter,
                        EventRelay
                    );
                }

                // If the defaults were not previously applied from an element, it is
                // possible for the language option to have not been resolved
                options.language = this._resolveLanguage(options.language);

                // Always fall back to English since it will always be complete
                options.language.push('en');

                var uniqueLanguages = [];

                for (var l = 0; l < options.language.length; l++) {
                    var language = options.language[l];

                    if (uniqueLanguages.indexOf(language) === -1) {
                        uniqueLanguages.push(language);
                    }
                }

                options.language = uniqueLanguages;

                options.translations = this._processTranslations(
                    options.language,
                    options.debug
                );

                return options;
            };

            Defaults.prototype.reset = function () {
                function stripDiacritics(text) {
                    // Used 'uni range + named function' from http://jsperf.com/diacritics/18
                    function match(a) {
                        return DIACRITICS[a] || a;
                    }

                    return text.replace(/[^\u0000-\u007E]/g, match);
                }

                function matcher(params, data) {
                    // Always return the object if there is nothing to compare
                    if (params.term == null || params.term.trim() === '') {
                        return data;
                    }

                    // Do a recursive check for options with children
                    if (data.children && data.children.length > 0) {
                        // Clone the data object if there are children
                        // This is required as we modify the object to remove any non-matches
                        var match = $.extend(true, {}, data);

                        // Check each child of the option
                        for (var c = data.children.length - 1; c >= 0; c--) {
                            var child = data.children[c];

                            var matches = matcher(params, child);

                            // If there wasn't a match, remove the object in the array
                            if (matches == null) {
                                match.children.splice(c, 1);
                            }
                        }

                        // If any children matched, return the new object
                        if (match.children.length > 0) {
                            return match;
                        }

                        // If there were no matching children, check just the plain object
                        return matcher(params, match);
                    }

                    var original = stripDiacritics(data.text).toUpperCase();
                    var term = stripDiacritics(params.term).toUpperCase();

                    // Check if the text contains the term
                    if (original.indexOf(term) > -1) {
                        return data;
                    }

                    // If it doesn't contain the term, don't return anything
                    return null;
                }

                this.defaults = {
                    amdLanguageBase: './i18n/',
                    autocomplete: 'off',
                    closeOnSelect: true,
                    debug: false,
                    dropdownAutoWidth: false,
                    escapeMarkup: Utils.escapeMarkup,
                    language: {},
                    matcher: matcher,
                    minimumInputLength: 0,
                    maximumInputLength: 0,
                    maximumSelectionLength: 0,
                    minimumResultsForSearch: 0,
                    selectOnClose: false,
                    scrollAfterSelect: false,
                    sorter: function (data) {
                        return data;
                    },
                    templateResult: function (result) {
                        return result.text;
                    },
                    templateSelection: function (selection) {
                        return selection.text;
                    },
                    theme: 'default',
                    width: 'resolve'
                };
            };

            Defaults.prototype.applyFromElement = function (options, $element) {
                var optionLanguage = options.language;
                var defaultLanguage = this.defaults.language;
                var elementLanguage = $element.prop('lang');
                var parentLanguage = $element.closest('[lang]').prop('lang');

                var languages = Array.prototype.concat.call(
                    this._resolveLanguage(elementLanguage),
                    this._resolveLanguage(optionLanguage),
                    this._resolveLanguage(defaultLanguage),
                    this._resolveLanguage(parentLanguage)
                );

                options.language = languages;

                return options;
            };

            Defaults.prototype._resolveLanguage = function (language) {
                if (!language) {
                    return [];
                }

                if ($.isEmptyObject(language)) {
                    return [];
                }

                if ($.isPlainObject(language)) {
                    return [language];
                }

                var languages;

                if (!Array.isArray(language)) {
                    languages = [language];
                } else {
                    languages = language;
                }

                var resolvedLanguages = [];

                for (var l = 0; l < languages.length; l++) {
                    resolvedLanguages.push(languages[l]);

                    if (typeof languages[l] === 'string' && languages[l].indexOf('-') > 0) {
                        // Extract the region information if it is included
                        var languageParts = languages[l].split('-');
                        var baseLanguage = languageParts[0];

                        resolvedLanguages.push(baseLanguage);
                    }
                }

                return resolvedLanguages;
            };

            Defaults.prototype._processTranslations = function (languages, debug) {
                var translations = new Translation();

                for (var l = 0; l < languages.length; l++) {
                    var languageData = new Translation();

                    var language = languages[l];

                    if (typeof language === 'string') {
                        try {
                            // Try to load it with the original name
                            languageData = Translation.loadPath(language);
                        } catch (e) {
                            try {
                                // If we couldn't load it, check if it wasn't the full path
                                language = this.defaults.amdLanguageBase + language;
                                languageData = Translation.loadPath(language);
                            } catch (ex) {
                                // The translation could not be loaded at all. Sometimes this is
                                // because of a configuration problem, other times this can be
                                // because of how Select2 helps load all possible translation files
                                if (debug && window.console && console.warn) {
                                    console.warn(
                                        'Select2: The language file for "' + language + '" could ' +
                                        'not be automatically loaded. A fallback will be used instead.'
                                    );
                                }
                            }
                        }
                    } else if ($.isPlainObject(language)) {
                        languageData = new Translation(language);
                    } else {
                        languageData = language;
                    }

                    translations.extend(languageData);
                }

                return translations;
            };

            Defaults.prototype.set = function (key, value) {
                var camelKey = $.camelCase(key);

                var data = {};
                data[camelKey] = value;

                var convertedData = Utils._convertData(data);

                $.extend(true, this.defaults, convertedData);
            };

            var defaults = new Defaults();

            return defaults;
        });

        S2.define('select2/options', [
            'jquery',
            './defaults',
            './utils'
        ], function ($, Defaults, Utils) {
            function Options(options, $element) {
                this.options = options;

                if ($element != null) {
                    this.fromElement($element);
                }

                if ($element != null) {
                    this.options = Defaults.applyFromElement(this.options, $element);
                }

                this.options = Defaults.apply(this.options);
            }

            Options.prototype.fromElement = function ($e) {
                var excludedData = ['select2'];

                if (this.options.multiple == null) {
                    this.options.multiple = $e.prop('multiple');
                }

                if (this.options.disabled == null) {
                    this.options.disabled = $e.prop('disabled');
                }

                if (this.options.autocomplete == null && $e.prop('autocomplete')) {
                    this.options.autocomplete = $e.prop('autocomplete');
                }

                if (this.options.dir == null) {
                    if ($e.prop('dir')) {
                        this.options.dir = $e.prop('dir');
                    } else if ($e.closest('[dir]').prop('dir')) {
                        this.options.dir = $e.closest('[dir]').prop('dir');
                    } else {
                        this.options.dir = 'ltr';
                    }
                }

                $e.prop('disabled', this.options.disabled);
                $e.prop('multiple', this.options.multiple);

                if (Utils.GetData($e[0], 'select2Tags')) {
                    if (this.options.debug && window.console && console.warn) {
                        console.warn(
                            'Select2: The `data-select2-tags` attribute has been changed to ' +
                            'use the `data-data` and `data-tags="true"` attributes and will be ' +
                            'removed in future versions of Select2.'
                        );
                    }

                    Utils.StoreData($e[0], 'data', Utils.GetData($e[0], 'select2Tags'));
                    Utils.StoreData($e[0], 'tags', true);
                }

                if (Utils.GetData($e[0], 'ajaxUrl')) {
                    if (this.options.debug && window.console && console.warn) {
                        console.warn(
                            'Select2: The `data-ajax-url` attribute has been changed to ' +
                            '`data-ajax--url` and support for the old attribute will be removed' +
                            ' in future versions of Select2.'
                        );
                    }

                    $e.attr('ajax--url', Utils.GetData($e[0], 'ajaxUrl'));
                    Utils.StoreData($e[0], 'ajax-Url', Utils.GetData($e[0], 'ajaxUrl'));
                }

                var dataset = {};

                function upperCaseLetter(_, letter) {
                    return letter.toUpperCase();
                }

                // Pre-load all of the attributes which are prefixed with `data-`
                for (var attr = 0; attr < $e[0].attributes.length; attr++) {
                    var attributeName = $e[0].attributes[attr].name;
                    var prefix = 'data-';

                    if (attributeName.substr(0, prefix.length) == prefix) {
                        // Get the contents of the attribute after `data-`
                        var dataName = attributeName.substring(prefix.length);

                        // Get the data contents from the consistent source
                        // This is more than likely the jQuery data helper
                        var dataValue = Utils.GetData($e[0], dataName);

                        // camelCase the attribute name to match the spec
                        var camelDataName = dataName.replace(/-([a-z])/g, upperCaseLetter);

                        // Store the data attribute contents into the dataset since
                        dataset[camelDataName] = dataValue;
                    }
                }

                // Prefer the element's `dataset` attribute if it exists
                // jQuery 1.x does not correctly handle data attributes with multiple dashes
                if ($.fn.jquery && $.fn.jquery.substr(0, 2) == '1.' && $e[0].dataset) {
                    dataset = $.extend(true, {}, $e[0].dataset, dataset);
                }

                // Prefer our internal data cache if it exists
                var data = $.extend(true, {}, Utils.GetData($e[0]), dataset);

                data = Utils._convertData(data);

                for (var key in data) {
                    if (excludedData.indexOf(key) > -1) {
                        continue;
                    }

                    if ($.isPlainObject(this.options[key])) {
                        $.extend(this.options[key], data[key]);
                    } else {
                        this.options[key] = data[key];
                    }
                }

                return this;
            };

            Options.prototype.get = function (key) {
                return this.options[key];
            };

            Options.prototype.set = function (key, val) {
                this.options[key] = val;
            };

            return Options;
        });

        S2.define('select2/core', [
            'jquery',
            './options',
            './utils',
            './keys'
        ], function ($, Options, Utils, KEYS) {
            var Select2 = function ($element, options) {
                if (Utils.GetData($element[0], 'select2') != null) {
                    Utils.GetData($element[0], 'select2').destroy();
                }

                this.$element = $element;

                this.id = this._generateId($element);

                options = options || {};

                this.options = new Options(options, $element);

                Select2.__super__.constructor.call(this);

                // Set up the tabindex

                var tabindex = $element.attr('tabindex') || 0;
                Utils.StoreData($element[0], 'old-tabindex', tabindex);
                $element.attr('tabindex', '-1');

                // Set up containers and adapters

                var DataAdapter = this.options.get('dataAdapter');
                this.dataAdapter = new DataAdapter($element, this.options);

                var $container = this.render();

                this._placeContainer($container);

                var SelectionAdapter = this.options.get('selectionAdapter');
                this.selection = new SelectionAdapter($element, this.options);
                this.$selection = this.selection.render();

                this.selection.position(this.$selection, $container);

                var DropdownAdapter = this.options.get('dropdownAdapter');
                this.dropdown = new DropdownAdapter($element, this.options);
                this.$dropdown = this.dropdown.render();

                this.dropdown.position(this.$dropdown, $container);

                var ResultsAdapter = this.options.get('resultsAdapter');
                this.results = new ResultsAdapter($element, this.options, this.dataAdapter);
                this.$results = this.results.render();

                this.results.position(this.$results, this.$dropdown);

                // Bind events

                var self = this;

                // Bind the container to all of the adapters
                this._bindAdapters();

                // Register any DOM event handlers
                this._registerDomEvents();

                // Register any internal event handlers
                this._registerDataEvents();
                this._registerSelectionEvents();
                this._registerDropdownEvents();
                this._registerResultsEvents();
                this._registerEvents();

                // Set the initial state
                this.dataAdapter.current(function (initialData) {
                    self.trigger('selection:update', {
                        data: initialData
                    });
                });

                // Hide the original select
                $element[0].classList.add('select2-hidden-accessible');
                $element.attr('aria-hidden', 'true');

                // Synchronize any monitored attributes
                this._syncAttributes();

                Utils.StoreData($element[0], 'select2', this);

                // Ensure backwards compatibility with $element.data('select2').
                $element.data('select2', this);
            };

            Utils.Extend(Select2, Utils.Observable);

            Select2.prototype._generateId = function ($element) {
                var id = '';

                if ($element.attr('id') != null) {
                    id = $element.attr('id');
                } else if ($element.attr('name') != null) {
                    id = $element.attr('name') + '-' + Utils.generateChars(2);
                } else {
                    id = Utils.generateChars(4);
                }

                id = id.replace(/(:|\.|\[|\]|,)/g, '');
                id = 'select2-' + id;

                return id;
            };

            Select2.prototype._placeContainer = function ($container) {
                $container.insertAfter(this.$element);

                var width = this._resolveWidth(this.$element, this.options.get('width'));

                if (width != null) {
                    $container.css('width', width);
                }
            };

            Select2.prototype._resolveWidth = function ($element, method) {
                var WIDTH = /^width:(([-+]?([0-9]*\.)?[0-9]+)(px|em|ex|%|in|cm|mm|pt|pc))/i;

                if (method == 'resolve') {
                    var styleWidth = this._resolveWidth($element, 'style');

                    if (styleWidth != null) {
                        return styleWidth;
                    }

                    return this._resolveWidth($element, 'element');
                }

                if (method == 'element') {
                    var elementWidth = $element.outerWidth(false);

                    if (elementWidth <= 0) {
                        return 'auto';
                    }

                    return elementWidth + 'px';
                }

                if (method == 'style') {
                    var style = $element.attr('style');

                    if (typeof (style) !== 'string') {
                        return null;
                    }

                    var attrs = style.split(';');

                    for (var i = 0, l = attrs.length; i < l; i = i + 1) {
                        var attr = attrs[i].replace(/\s/g, '');
                        var matches = attr.match(WIDTH);

                        if (matches !== null && matches.length >= 1) {
                            return matches[1];
                        }
                    }

                    return null;
                }

                if (method == 'computedstyle') {
                    var computedStyle = window.getComputedStyle($element[0]);

                    return computedStyle.width;
                }

                return method;
            };

            Select2.prototype._bindAdapters = function () {
                this.dataAdapter.bind(this, this.$container);
                this.selection.bind(this, this.$container);

                this.dropdown.bind(this, this.$container);
                this.results.bind(this, this.$container);
            };

            Select2.prototype._registerDomEvents = function () {
                var self = this;

                this.$element.on('change.select2', function () {
                    self.dataAdapter.current(function (data) {
                        self.trigger('selection:update', {
                            data: data
                        });
                    });
                });

                this.$element.on('focus.select2', function (evt) {
                    self.trigger('focus', evt);
                });

                this._syncA = Utils.bind(this._syncAttributes, this);
                this._syncS = Utils.bind(this._syncSubtree, this);

                this._observer = new window.MutationObserver(function (mutations) {
                    self._syncA();
                    self._syncS(mutations);
                });
                this._observer.observe(this.$element[0], {
                    attributes: true,
                    childList: true,
                    subtree: false
                });
            };

            Select2.prototype._registerDataEvents = function () {
                var self = this;

                this.dataAdapter.on('*', function (name, params) {
                    self.trigger(name, params);
                });
            };

            Select2.prototype._registerSelectionEvents = function () {
                var self = this;
                var nonRelayEvents = ['toggle', 'focus'];

                this.selection.on('toggle', function () {
                    self.toggleDropdown();
                });

                this.selection.on('focus', function (params) {
                    self.focus(params);
                });

                this.selection.on('*', function (name, params) {
                    if (nonRelayEvents.indexOf(name) !== -1) {
                        return;
                    }

                    self.trigger(name, params);
                });
            };

            Select2.prototype._registerDropdownEvents = function () {
                var self = this;

                this.dropdown.on('*', function (name, params) {
                    self.trigger(name, params);
                });
            };

            Select2.prototype._registerResultsEvents = function () {
                var self = this;

                this.results.on('*', function (name, params) {
                    self.trigger(name, params);
                });
            };

            Select2.prototype._registerEvents = function () {
                var self = this;

                this.on('open', function () {
                    self.$container[0].classList.add('select2-container--open');
                });

                this.on('close', function () {
                    self.$container[0].classList.remove('select2-container--open');
                });

                this.on('enable', function () {
                    self.$container[0].classList.remove('select2-container--disabled');
                });

                this.on('disable', function () {
                    self.$container[0].classList.add('select2-container--disabled');
                });

                this.on('blur', function () {
                    self.$container[0].classList.remove('select2-container--focus');
                });

                this.on('query', function (params) {
                    if (!self.isOpen()) {
                        self.trigger('open', {});
                    }

                    this.dataAdapter.query(params, function (data) {
                        self.trigger('results:all', {
                            data: data,
                            query: params
                        });
                    });
                });

                this.on('query:append', function (params) {
                    this.dataAdapter.query(params, function (data) {
                        self.trigger('results:append', {
                            data: data,
                            query: params
                        });
                    });
                });

                this.on('keypress', function (evt) {
                    var key = evt.which;

                    if (self.isOpen()) {
                        if (key === KEYS.ESC || (key === KEYS.UP && evt.altKey)) {
                            self.close(evt);

                            evt.preventDefault();
                        } else if (key === KEYS.ENTER || key === KEYS.TAB) {
                            self.trigger('results:select', {});

                            evt.preventDefault();
                        } else if ((key === KEYS.SPACE && evt.ctrlKey)) {
                            self.trigger('results:toggle', {});

                            evt.preventDefault();
                        } else if (key === KEYS.UP) {
                            self.trigger('results:previous', {});

                            evt.preventDefault();
                        } else if (key === KEYS.DOWN) {
                            self.trigger('results:next', {});

                            evt.preventDefault();
                        }
                    } else {
                        if (key === KEYS.ENTER || key === KEYS.SPACE ||
                            (key === KEYS.DOWN && evt.altKey)) {
                            self.open();

                            evt.preventDefault();
                        }
                    }
                });
            };

            Select2.prototype._syncAttributes = function () {
                this.options.set('disabled', this.$element.prop('disabled'));

                if (this.isDisabled()) {
                    if (this.isOpen()) {
                        this.close();
                    }

                    this.trigger('disable', {});
                } else {
                    this.trigger('enable', {});
                }
            };

            Select2.prototype._isChangeMutation = function (mutations) {
                var self = this;

                if (mutations.addedNodes && mutations.addedNodes.length > 0) {
                    for (var n = 0; n < mutations.addedNodes.length; n++) {
                        var node = mutations.addedNodes[n];

                        if (node.selected) {
                            return true;
                        }
                    }
                } else if (mutations.removedNodes && mutations.removedNodes.length > 0) {
                    return true;
                } else if (Array.isArray(mutations)) {
                    return mutations.some(function (mutation) {
                        return self._isChangeMutation(mutation);
                    });
                }

                return false;
            };

            Select2.prototype._syncSubtree = function (mutations) {
                var changed = this._isChangeMutation(mutations);
                var self = this;

                // Only re-pull the data if we think there is a change
                if (changed) {
                    this.dataAdapter.current(function (currentData) {
                        self.trigger('selection:update', {
                            data: currentData
                        });
                    });
                }
            };

            /**
             * Override the trigger method to automatically trigger pre-events when
             * there are events that can be prevented.
             */
            Select2.prototype.trigger = function (name, args) {
                var actualTrigger = Select2.__super__.trigger;
                var preTriggerMap = {
                    'open': 'opening',
                    'close': 'closing',
                    'select': 'selecting',
                    'unselect': 'unselecting',
                    'clear': 'clearing'
                };

                if (args === undefined) {
                    args = {};
                }

                if (name in preTriggerMap) {
                    var preTriggerName = preTriggerMap[name];
                    var preTriggerArgs = {
                        prevented: false,
                        name: name,
                        args: args
                    };

                    actualTrigger.call(this, preTriggerName, preTriggerArgs);

                    if (preTriggerArgs.prevented) {
                        args.prevented = true;

                        return;
                    }
                }

                actualTrigger.call(this, name, args);
            };

            Select2.prototype.toggleDropdown = function () {
                if (this.isDisabled()) {
                    return;
                }

                if (this.isOpen()) {
                    this.close();
                } else {
                    this.open();
                }
            };

            Select2.prototype.open = function () {
                if (this.isOpen()) {
                    return;
                }

                if (this.isDisabled()) {
                    return;
                }

                this.trigger('query', {});
            };

            Select2.prototype.close = function (evt) {
                if (!this.isOpen()) {
                    return;
                }

                this.trigger('close', {originalEvent: evt});
            };

            /**
             * Helper method to abstract the "enabled" (not "disabled") state of this
             * object.
             *
             * @return {true} if the instance is not disabled.
             * @return {false} if the instance is disabled.
             */
            Select2.prototype.isEnabled = function () {
                return !this.isDisabled();
            };

            /**
             * Helper method to abstract the "disabled" state of this object.
             *
             * @return {true} if the disabled option is true.
             * @return {false} if the disabled option is false.
             */
            Select2.prototype.isDisabled = function () {
                return this.options.get('disabled');
            };

            Select2.prototype.isOpen = function () {
                return this.$container[0].classList.contains('select2-container--open');
            };

            Select2.prototype.hasFocus = function () {
                return this.$container[0].classList.contains('select2-container--focus');
            };

            Select2.prototype.focus = function (data) {
                // No need to re-trigger focus events if we are already focused
                if (this.hasFocus()) {
                    return;
                }

                this.$container[0].classList.add('select2-container--focus');
                this.trigger('focus', {});
            };

            Select2.prototype.enable = function (args) {
                if (this.options.get('debug') && window.console && console.warn) {
                    console.warn(
                        'Select2: The `select2("enable")` method has been deprecated and will' +
                        ' be removed in later Select2 versions. Use $element.prop("disabled")' +
                        ' instead.'
                    );
                }

                if (args == null || args.length === 0) {
                    args = [true];
                }

                var disabled = !args[0];

                this.$element.prop('disabled', disabled);
            };

            Select2.prototype.data = function () {
                if (this.options.get('debug') &&
                    arguments.length > 0 && window.console && console.warn) {
                    console.warn(
                        'Select2: Data can no longer be set using `select2("data")`. You ' +
                        'should consider setting the value instead using `$element.val()`.'
                    );
                }

                var data = [];

                this.dataAdapter.current(function (currentData) {
                    data = currentData;
                });

                return data;
            };

            Select2.prototype.val = function (args) {
                if (this.options.get('debug') && window.console && console.warn) {
                    console.warn(
                        'Select2: The `select2("val")` method has been deprecated and will be' +
                        ' removed in later Select2 versions. Use $element.val() instead.'
                    );
                }

                if (args == null || args.length === 0) {
                    return this.$element.val();
                }

                var newVal = args[0];

                if (Array.isArray(newVal)) {
                    newVal = newVal.map(function (obj) {
                        return obj.toString();
                    });
                }

                this.$element.val(newVal).trigger('input').trigger('change');
            };

            Select2.prototype.destroy = function () {
                Utils.RemoveData(this.$container[0]);
                this.$container.remove();

                this._observer.disconnect();
                this._observer = null;

                this._syncA = null;
                this._syncS = null;

                this.$element.off('.select2');
                this.$element.attr('tabindex',
                    Utils.GetData(this.$element[0], 'old-tabindex'));

                this.$element[0].classList.remove('select2-hidden-accessible');
                this.$element.attr('aria-hidden', 'false');
                Utils.RemoveData(this.$element[0]);
                this.$element.removeData('select2');

                this.dataAdapter.destroy();
                this.selection.destroy();
                this.dropdown.destroy();
                this.results.destroy();

                this.dataAdapter = null;
                this.selection = null;
                this.dropdown = null;
                this.results = null;
            };

            Select2.prototype.render = function () {
                var $container = $(
                    '<span class="select2 select2-container">' +
                    '<span class="selection"></span>' +
                    '<span class="dropdown-wrapper" aria-hidden="true"></span>' +
                    '</span>'
                );

                $container.attr('dir', this.options.get('dir'));

                this.$container = $container;

                this.$container[0].classList
                    .add('select2-container--' + this.options.get('theme'));

                Utils.StoreData($container[0], 'element', this.$element);

                return $container;
            };

            return Select2;
        });

        S2.define('jquery-mousewheel', [
            'jquery'
        ], function ($) {
            // Used to shim jQuery.mousewheel for non-full builds.
            return $;
        });

        S2.define('jquery.select2', [
            'jquery',
            'jquery-mousewheel',

            './select2/core',
            './select2/defaults',
            './select2/utils'
        ], function ($, _, Select2, Defaults, Utils) {
            if ($.fn.select2 == null) {
                // All methods that should return the element
                var thisMethods = ['open', 'close', 'destroy'];

                $.fn.select2 = function (options) {
                    options = options || {};

                    if (typeof options === 'object') {
                        this.each(function () {
                            var instanceOptions = $.extend(true, {}, options);

                            var instance = new Select2($(this), instanceOptions);
                        });

                        return this;
                    } else if (typeof options === 'string') {
                        var ret;
                        var args = Array.prototype.slice.call(arguments, 1);

                        this.each(function () {
                            var instance = Utils.GetData(this, 'select2');

                            if (instance == null && window.console && console.error) {
                                console.error(
                                    'The select2(\'' + options + '\') method was called on an ' +
                                    'element that is not using Select2.'
                                );
                            }

                            ret = instance[options].apply(instance, args);
                        });

                        // Check if we should be returning `this`
                        if (thisMethods.indexOf(options) > -1) {
                            return this;
                        }

                        return ret;
                    } else {
                        throw new Error('Invalid arguments for Select2: ' + options);
                    }
                };
            }

            if ($.fn.select2.defaults == null) {
                $.fn.select2.defaults = Defaults;
            }

            return Select2;
        });

        // Return the AMD loader configuration so it can be used outside of this file
        return {
            define: S2.define,
            require: S2.require
        };
    }());

    // Autoload the jQuery bindings
    // We know that all of the modules exist above this, so we're safe
    var select2 = S2.require('jquery.select2');

    // Hold the AMD module references on the jQuery function that was just loaded
    // This allows Select2 to use the internal loader outside of this file, such
    // as in the language files.
    jQuery.fn.select2.amd = S2;

    // Return the Select2 instance for anyone who is importing it.
    return select2;
}));