--- /dev/null
+/**
+ * sifter.js
+ * Copyright (c) 2013 Brian Reavis & contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
+ * file except in compliance with the License. You may obtain a copy of the License at:
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+ * ANY KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ *
+ * @author Brian Reavis <brian@thirdroute.com>
+ */
+
+(function(root, factory) {
+ if (typeof define === 'function' && define.amd) {
+ define('sifter', factory);
+ } else if (typeof exports === 'object') {
+ module.exports = factory();
+ } else {
+ root.Sifter = factory();
+ }
+}(this, function() {
+
+ /**
+ * Textually searches arrays and hashes of objects
+ * by property (or multiple properties). Designed
+ * specifically for autocomplete.
+ *
+ * @constructor
+ * @param {array|object} items
+ * @param {object} items
+ */
+ var Sifter = function(items, settings) {
+ this.items = items;
+ this.settings = settings || {diacritics: true};
+ };
+
+ /**
+ * Splits a search string into an array of individual
+ * regexps to be used to match results.
+ *
+ * @param {string} query
+ * @returns {array}
+ */
+ Sifter.prototype.tokenize = function(query) {
+ query = trim(String(query || '').toLowerCase());
+ if (!query || !query.length) return [];
+
+ var i, n, regex, letter;
+ var tokens = [];
+ var words = query.split(/ +/);
+
+ for (i = 0, n = words.length; i < n; i++) {
+ regex = escape_regex(words[i]);
+ if (this.settings.diacritics) {
+ for (letter in DIACRITICS) {
+ if (DIACRITICS.hasOwnProperty(letter)) {
+ regex = regex.replace(new RegExp(letter, 'g'), DIACRITICS[letter]);
+ }
+ }
+ }
+ tokens.push({
+ string : words[i],
+ regex : new RegExp(regex, 'i')
+ });
+ }
+
+ return tokens;
+ };
+
+ /**
+ * Iterates over arrays and hashes.
+ *
+ * ```
+ * this.iterator(this.items, function(item, id) {
+ * // invoked for each item
+ * });
+ * ```
+ *
+ * @param {array|object} object
+ */
+ Sifter.prototype.iterator = function(object, callback) {
+ var iterator;
+ if (is_array(object)) {
+ iterator = Array.prototype.forEach || function(callback) {
+ for (var i = 0, n = this.length; i < n; i++) {
+ callback(this[i], i, this);
+ }
+ };
+ } else {
+ iterator = function(callback) {
+ for (var key in this) {
+ if (this.hasOwnProperty(key)) {
+ callback(this[key], key, this);
+ }
+ }
+ };
+ }
+
+ iterator.apply(object, [callback]);
+ };
+
+ /**
+ * Returns a function to be used to score individual results.
+ *
+ * Good matches will have a higher score than poor matches.
+ * If an item is not a match, 0 will be returned by the function.
+ *
+ * @param {object|string} search
+ * @param {object} options (optional)
+ * @returns {function}
+ */
+ Sifter.prototype.getScoreFunction = function(search, options) {
+ var self, fields, tokens, token_count, nesting;
+
+ self = this;
+ search = self.prepareSearch(search, options);
+ tokens = search.tokens;
+ fields = search.options.fields;
+ token_count = tokens.length;
+ nesting = search.options.nesting;
+
+ /**
+ * Calculates how close of a match the
+ * given value is against a search token.
+ *
+ * @param {mixed} value
+ * @param {object} token
+ * @return {number}
+ */
+ var scoreValue = function(value, token) {
+ var score, pos;
+
+ if (!value) return 0;
+ value = String(value || '');
+ pos = value.search(token.regex);
+ if (pos === -1) return 0;
+ score = token.string.length / value.length;
+ if (pos === 0) score += 0.5;
+ return score;
+ };
+
+ /**
+ * Calculates the score of an object
+ * against the search query.
+ *
+ * @param {object} token
+ * @param {object} data
+ * @return {number}
+ */
+ var scoreObject = (function() {
+ var field_count = fields.length;
+ if (!field_count) {
+ return function() { return 0; };
+ }
+ if (field_count === 1) {
+ return function(token, data) {
+ return scoreValue(getattr(data, fields[0], nesting), token);
+ };
+ }
+ return function(token, data) {
+ for (var i = 0, sum = 0; i < field_count; i++) {
+ sum += scoreValue(getattr(data, fields[i], nesting), token);
+ }
+ return sum / field_count;
+ };
+ })();
+
+ if (!token_count) {
+ return function() { return 0; };
+ }
+ if (token_count === 1) {
+ return function(data) {
+ return scoreObject(tokens[0], data);
+ };
+ }
+
+ if (search.options.conjunction === 'and') {
+ return function(data) {
+ var score;
+ for (var i = 0, sum = 0; i < token_count; i++) {
+ score = scoreObject(tokens[i], data);
+ if (score <= 0) return 0;
+ sum += score;
+ }
+ return sum / token_count;
+ };
+ } else {
+ return function(data) {
+ for (var i = 0, sum = 0; i < token_count; i++) {
+ sum += scoreObject(tokens[i], data);
+ }
+ return sum / token_count;
+ };
+ }
+ };
+
+ /**
+ * Returns a function that can be used to compare two
+ * results, for sorting purposes. If no sorting should
+ * be performed, `null` will be returned.
+ *
+ * @param {string|object} search
+ * @param {object} options
+ * @return function(a,b)
+ */
+ Sifter.prototype.getSortFunction = function(search, options) {
+ var i, n, self, field, fields, fields_count, multiplier, multipliers, get_field, implicit_score, sort;
+
+ self = this;
+ search = self.prepareSearch(search, options);
+ sort = (!search.query && options.sort_empty) || options.sort;
+
+ /**
+ * Fetches the specified sort field value
+ * from a search result item.
+ *
+ * @param {string} name
+ * @param {object} result
+ * @return {mixed}
+ */
+ get_field = function(name, result) {
+ if (name === '$score') return result.score;
+ return getattr(self.items[result.id], name, options.nesting);
+ };
+
+ // parse options
+ fields = [];
+ if (sort) {
+ for (i = 0, n = sort.length; i < n; i++) {
+ if (search.query || sort[i].field !== '$score') {
+ fields.push(sort[i]);
+ }
+ }
+ }
+
+ // the "$score" field is implied to be the primary
+ // sort field, unless it's manually specified
+ if (search.query) {
+ implicit_score = true;
+ for (i = 0, n = fields.length; i < n; i++) {
+ if (fields[i].field === '$score') {
+ implicit_score = false;
+ break;
+ }
+ }
+ if (implicit_score) {
+ fields.unshift({field: '$score', direction: 'desc'});
+ }
+ } else {
+ for (i = 0, n = fields.length; i < n; i++) {
+ if (fields[i].field === '$score') {
+ fields.splice(i, 1);
+ break;
+ }
+ }
+ }
+
+ multipliers = [];
+ for (i = 0, n = fields.length; i < n; i++) {
+ multipliers.push(fields[i].direction === 'desc' ? -1 : 1);
+ }
+
+ // build function
+ fields_count = fields.length;
+ if (!fields_count) {
+ return null;
+ } else if (fields_count === 1) {
+ field = fields[0].field;
+ multiplier = multipliers[0];
+ return function(a, b) {
+ return multiplier * cmp(
+ get_field(field, a),
+ get_field(field, b)
+ );
+ };
+ } else {
+ return function(a, b) {
+ var i, result, a_value, b_value, field;
+ for (i = 0; i < fields_count; i++) {
+ field = fields[i].field;
+ result = multipliers[i] * cmp(
+ get_field(field, a),
+ get_field(field, b)
+ );
+ if (result) return result;
+ }
+ return 0;
+ };
+ }
+ };
+
+ /**
+ * Parses a search query and returns an object
+ * with tokens and fields ready to be populated
+ * with results.
+ *
+ * @param {string} query
+ * @param {object} options
+ * @returns {object}
+ */
+ Sifter.prototype.prepareSearch = function(query, options) {
+ if (typeof query === 'object') return query;
+
+ options = extend({}, options);
+
+ var option_fields = options.fields;
+ var option_sort = options.sort;
+ var option_sort_empty = options.sort_empty;
+
+ if (option_fields && !is_array(option_fields)) options.fields = [option_fields];
+ if (option_sort && !is_array(option_sort)) options.sort = [option_sort];
+ if (option_sort_empty && !is_array(option_sort_empty)) options.sort_empty = [option_sort_empty];
+
+ return {
+ options : options,
+ query : String(query || '').toLowerCase(),
+ tokens : this.tokenize(query),
+ total : 0,
+ items : []
+ };
+ };
+
+ /**
+ * Searches through all items and returns a sorted array of matches.
+ *
+ * The `options` parameter can contain:
+ *
+ * - fields {string|array}
+ * - sort {array}
+ * - score {function}
+ * - filter {bool}
+ * - limit {integer}
+ *
+ * Returns an object containing:
+ *
+ * - options {object}
+ * - query {string}
+ * - tokens {array}
+ * - total {int}
+ * - items {array}
+ *
+ * @param {string} query
+ * @param {object} options
+ * @returns {object}
+ */
+ Sifter.prototype.search = function(query, options) {
+ var self = this, value, score, search, calculateScore;
+ var fn_sort;
+ var fn_score;
+
+ search = this.prepareSearch(query, options);
+ options = search.options;
+ query = search.query;
+
+ // generate result scoring function
+ fn_score = options.score || self.getScoreFunction(search);
+
+ // perform search and sort
+ if (query.length) {
+ self.iterator(self.items, function(item, id) {
+ score = fn_score(item);
+ if (options.filter === false || score > 0) {
+ search.items.push({'score': score, 'id': id});
+ }
+ });
+ } else {
+ self.iterator(self.items, function(item, id) {
+ search.items.push({'score': 1, 'id': id});
+ });
+ }
+
+ fn_sort = self.getSortFunction(search, options);
+ if (fn_sort) search.items.sort(fn_sort);
+
+ // apply limits
+ search.total = search.items.length;
+ if (typeof options.limit === 'number') {
+ search.items = search.items.slice(0, options.limit);
+ }
+
+ return search;
+ };
+
+ // utilities
+ // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+ var cmp = function(a, b) {
+ if (typeof a === 'number' && typeof b === 'number') {
+ return a > b ? 1 : (a < b ? -1 : 0);
+ }
+ a = asciifold(String(a || ''));
+ b = asciifold(String(b || ''));
+ if (a > b) return 1;
+ if (b > a) return -1;
+ return 0;
+ };
+
+ var extend = function(a, b) {
+ var i, n, k, object;
+ for (i = 1, n = arguments.length; i < n; i++) {
+ object = arguments[i];
+ if (!object) continue;
+ for (k in object) {
+ if (object.hasOwnProperty(k)) {
+ a[k] = object[k];
+ }
+ }
+ }
+ return a;
+ };
+
+ /**
+ * A property getter resolving dot-notation
+ * @param {Object} obj The root object to fetch property on
+ * @param {String} name The optionally dotted property name to fetch
+ * @param {Boolean} nesting Handle nesting or not
+ * @return {Object} The resolved property value
+ */
+ var getattr = function(obj, name, nesting) {
+ if (!obj || !name) return;
+ if (!nesting) return obj[name];
+ var names = name.split(".");
+ while(names.length && (obj = obj[names.shift()]));
+ return obj;
+ };
+
+ var trim = function(str) {
+ return (str + '').replace(/^\s+|\s+$|/g, '');
+ };
+
+ var escape_regex = function(str) {
+ return (str + '').replace(/([.?*+^$[\]\\(){}|-])/g, '\\$1');
+ };
+
+ var is_array = Array.isArray || (typeof $ !== 'undefined' && $.isArray) || function(object) {
+ return Object.prototype.toString.call(object) === '[object Array]';
+ };
+
+ var DIACRITICS = {
+ 'a': '[aḀḁĂăÂâǍǎȺⱥȦȧẠạÄäÀàÁáĀāÃãÅåąĄÃąĄ]',
+ 'b': '[b␢βΒB฿𐌁ᛒ]',
+ 'c': '[cĆćĈĉČčĊċC̄c̄ÇçḈḉȻȼƇƈɕᴄＣｃ]',
+ 'd': '[dĎďḊḋḐḑḌḍḒḓḎḏĐđD̦d̦ƉɖƊɗƋƌᵭᶁᶑȡᴅＤｄð]',
+ 'e': '[eÉéÈèÊêḘḙĚěĔĕẼẽḚḛẺẻĖėËëĒēȨȩĘęᶒɆɇȄȅẾếỀềỄễỂểḜḝḖḗḔḕȆȇẸẹỆệⱸᴇＥｅɘǝƏƐε]',
+ 'f': '[fƑƒḞḟ]',
+ 'g': '[gɢ₲ǤǥĜĝĞğĢģƓɠĠġ]',
+ 'h': '[hĤĥĦħḨḩẖẖḤḥḢḣɦʰǶƕ]',
+ 'i': '[iÍíÌìĬĭÎîǏǐÏïḮḯĨĩĮįĪīỈỉȈȉȊȋỊịḬḭƗɨɨ̆ᵻᶖİiIıɪＩｉ]',
+ 'j': '[jȷĴĵɈɉʝɟʲ]',
+ 'k': '[kƘƙꝀꝁḰḱǨǩḲḳḴḵκϰ₭]',
+ 'l': '[lŁłĽľĻļĹĺḶḷḸḹḼḽḺḻĿŀȽƚⱠⱡⱢɫɬᶅɭȴʟＬｌ]',
+ 'n': '[nŃńǸǹŇňÑñṄṅŅņṆṇṊṋṈṉN̈n̈ƝɲȠƞᵰᶇɳȵɴＮｎŊŋ]',
+ 'o': '[oØøÖöÓóÒòÔôǑǒŐőŎŏȮȯỌọƟɵƠơỎỏŌōÕõǪǫȌȍՕօ]',
+ 'p': '[pṔṕṖṗⱣᵽƤƥᵱ]',
+ 'q': '[qꝖꝗʠɊɋꝘꝙq̃]',
+ 'r': '[rŔŕɌɍŘřŖŗṘṙȐȑȒȓṚṛⱤɽ]',
+ 's': '[sŚśṠṡṢṣꞨꞩŜŝŠšŞşȘșS̈s̈]',
+ 't': '[tŤťṪṫŢţṬṭƮʈȚțṰṱṮṯƬƭ]',
+ 'u': '[uŬŭɄʉỤụÜüÚúÙùÛûǓǔŰűŬŭƯưỦủŪūŨũŲųȔȕ∪]',
+ 'v': '[vṼṽṾṿƲʋꝞꝟⱱʋ]',
+ 'w': '[wẂẃẀẁŴŵẄẅẆẇẈẉ]',
+ 'x': '[xẌẍẊẋχ]',
+ 'y': '[yÝýỲỳŶŷŸÿỸỹẎẏỴỵɎɏƳƴ]',
+ 'z': '[zŹźẐẑŽžŻżẒẓẔẕƵƶ]'
+ };
+
+ var asciifold = (function() {
+ var i, n, k, chunk;
+ var foreignletters = '';
+ var lookup = {};
+ for (k in DIACRITICS) {
+ if (DIACRITICS.hasOwnProperty(k)) {
+ chunk = DIACRITICS[k].substring(2, DIACRITICS[k].length - 1);
+ foreignletters += chunk;
+ for (i = 0, n = chunk.length; i < n; i++) {
+ lookup[chunk.charAt(i)] = k;
+ }
+ }
+ }
+ var regexp = new RegExp('[' + foreignletters + ']', 'g');
+ return function(str) {
+ return str.replace(regexp, function(foreignletter) {
+ return lookup[foreignletter];
+ }).toLowerCase();
+ };
+ })();
+
+
+ // export
+ // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+ return Sifter;
+}));
+
+
+
+/**
+ * microplugin.js
+ * Copyright (c) 2013 Brian Reavis & contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
+ * file except in compliance with the License. You may obtain a copy of the License at:
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+ * ANY KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ *
+ * @author Brian Reavis <brian@thirdroute.com>
+ */
+
+(function(root, factory) {
+ if (typeof define === 'function' && define.amd) {
+ define('microplugin', factory);
+ } else if (typeof exports === 'object') {
+ module.exports = factory();
+ } else {
+ root.MicroPlugin = factory();
+ }
+}(this, function() {
+ var MicroPlugin = {};
+
+ MicroPlugin.mixin = function(Interface) {
+ Interface.plugins = {};
+
+ /**
+ * Initializes the listed plugins (with options).
+ * Acceptable formats:
+ *
+ * List (without options):
+ * ['a', 'b', 'c']
+ *
+ * List (with options):
+ * [{'name': 'a', options: {}}, {'name': 'b', options: {}}]
+ *
+ * Hash (with options):
+ * {'a': { ... }, 'b': { ... }, 'c': { ... }}
+ *
+ * @param {mixed} plugins
+ */
+ Interface.prototype.initializePlugins = function(plugins) {
+ var i, n, key;
+ var self = this;
+ var queue = [];
+
+ self.plugins = {
+ names : [],
+ settings : {},
+ requested : {},
+ loaded : {}
+ };
+
+ if (utils.isArray(plugins)) {
+ for (i = 0, n = plugins.length; i < n; i++) {
+ if (typeof plugins[i] === 'string') {
+ queue.push(plugins[i]);
+ } else {
+ self.plugins.settings[plugins[i].name] = plugins[i].options;
+ queue.push(plugins[i].name);
+ }
+ }
+ } else if (plugins) {
+ for (key in plugins) {
+ if (plugins.hasOwnProperty(key)) {
+ self.plugins.settings[key] = plugins[key];
+ queue.push(key);
+ }
+ }
+ }
+
+ while (queue.length) {
+ self.require(queue.shift());
+ }
+ };
+
+ Interface.prototype.loadPlugin = function(name) {
+ var self = this;
+ var plugins = self.plugins;
+ var plugin = Interface.plugins[name];
+
+ if (!Interface.plugins.hasOwnProperty(name)) {
+ throw new Error('Unable to find "' + name + '" plugin');
+ }
+
+ plugins.requested[name] = true;
+ plugins.loaded[name] = plugin.fn.apply(self, [self.plugins.settings[name] || {}]);
+ plugins.names.push(name);
+ };
+
+ /**
+ * Initializes a plugin.
+ *
+ * @param {string} name
+ */
+ Interface.prototype.require = function(name) {
+ var self = this;
+ var plugins = self.plugins;
+
+ if (!self.plugins.loaded.hasOwnProperty(name)) {
+ if (plugins.requested[name]) {
+ throw new Error('Plugin has circular dependency ("' + name + '")');
+ }
+ self.loadPlugin(name);
+ }
+
+ return plugins.loaded[name];
+ };
+
+ /**
+ * Registers a plugin.
+ *
+ * @param {string} name
+ * @param {function} fn
+ */
+ Interface.define = function(name, fn) {
+ Interface.plugins[name] = {
+ 'name' : name,
+ 'fn' : fn
+ };
+ };
+ };
+
+ var utils = {
+ isArray: Array.isArray || function(vArg) {
+ return Object.prototype.toString.call(vArg) === '[object Array]';
+ }
+ };
+
+ return MicroPlugin;
+}));
+
+/**
+ * selectize.js (v0.12.4)
+ * Copyright (c) 2013–2015 Brian Reavis & contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
+ * file except in compliance with the License. You may obtain a copy of the License at:
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under
+ * the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+ * ANY KIND, either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ *
+ * @author Brian Reavis <brian@thirdroute.com>
+ */
+
+/*jshint curly:false */
+/*jshint browser:true */
+
+(function(root, factory) {
+ if (typeof define === 'function' && define.amd) {
+ define('selectize', ['jquery','sifter','microplugin'], factory);
+ } else if (typeof exports === 'object') {
+ module.exports = factory(require('jquery'), require('sifter'), require('microplugin'));
+ } else {
+ root.Selectize = factory(root.jQuery, root.Sifter, root.MicroPlugin);
+ }
+}(this, function($, Sifter, MicroPlugin) {
+ 'use strict';
+
+ var highlight = function($element, pattern) {
+ if (typeof pattern === 'string' && !pattern.length) return;
+ var regex = (typeof pattern === 'string') ? new RegExp(pattern, 'i') : pattern;
+
+ var highlight = function(node) {
+ var skip = 0;
+ if (node.nodeType === 3) {
+ var pos = node.data.search(regex);
+ if (pos >= 0 && node.data.length > 0) {
+ var match = node.data.match(regex);
+ var spannode = document.createElement('span');
+ spannode.className = 'highlight';
+ var middlebit = node.splitText(pos);
+ var endbit = middlebit.splitText(match[0].length);
+ var middleclone = middlebit.cloneNode(true);
+ spannode.appendChild(middleclone);
+ middlebit.parentNode.replaceChild(spannode, middlebit);
+ skip = 1;
+ }
+ } else if (node.nodeType === 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
+ for (var i = 0; i < node.childNodes.length; ++i) {
+ i += highlight(node.childNodes[i]);
+ }
+ }
+ return skip;
+ };
+
+ return $element.each(function() {
+ highlight(this);
+ });
+ };
+
+ /**
+ * removeHighlight fn copied from highlight v5 and
+ * edited to remove with() and pass js strict mode
+ */
+ $.fn.removeHighlight = function() {
+ return this.find("span.highlight").each(function() {
+ this.parentNode.firstChild.nodeName;
+ var parent = this.parentNode;
+ parent.replaceChild(this.firstChild, this);
+ parent.normalize();
+ }).end();
+ };
+
+
+ var MicroEvent = function() {};
+ MicroEvent.prototype = {
+ on: function(event, fct){
+ this._events = this._events || {};
+ this._events[event] = this._events[event] || [];
+ this._events[event].push(fct);
+ },
+ off: function(event, fct){
+ var n = arguments.length;
+ if (n === 0) return delete this._events;
+ if (n === 1) return delete this._events[event];
+
+ this._events = this._events || {};
+ if (event in this._events === false) return;
+ this._events[event].splice(this._events[event].indexOf(fct), 1);
+ },
+ trigger: function(event /* , args... */){
+ this._events = this._events || {};
+ if (event in this._events === false) return;
+ for (var i = 0; i < this._events[event].length; i++){
+ this._events[event][i].apply(this, Array.prototype.slice.call(arguments, 1));
+ }
+ }
+ };
+
+ /**
+ * Mixin will delegate all MicroEvent.js function in the destination object.
+ *
+ * - MicroEvent.mixin(Foobar) will make Foobar able to use MicroEvent
+ *
+ * @param {object} the object which will support MicroEvent
+ */
+ MicroEvent.mixin = function(destObject){
+ var props = ['on', 'off', 'trigger'];
+ for (var i = 0; i < props.length; i++){
+ destObject.prototype[props[i]] = MicroEvent.prototype[props[i]];
+ }
+ };
+
+ var IS_MAC = /Mac/.test(navigator.userAgent);
+
+ var KEY_A = 65;
+ var KEY_COMMA = 188;
+ var KEY_RETURN = 13;
+ var KEY_ESC = 27;
+ var KEY_LEFT = 37;
+ var KEY_UP = 38;
+ var KEY_P = 80;
+ var KEY_RIGHT = 39;
+ var KEY_DOWN = 40;
+ var KEY_N = 78;
+ var KEY_BACKSPACE = 8;
+ var KEY_DELETE = 46;
+ var KEY_SHIFT = 16;
+ var KEY_CMD = IS_MAC ? 91 : 17;
+ var KEY_CTRL = IS_MAC ? 18 : 17;
+ var KEY_TAB = 9;
+
+ var TAG_SELECT = 1;
+ var TAG_INPUT = 2;
+
+ // for now, android support in general is too spotty to support validity
+ var SUPPORTS_VALIDITY_API = !/android/i.test(window.navigator.userAgent) && !!document.createElement('input').validity;
+
+
+ var isset = function(object) {
+ return typeof object !== 'undefined';
+ };
+
+ /**
+ * Converts a scalar to its best string representation
+ * for hash keys and HTML attribute values.
+ *
+ * Transformations:
+ * 'str' -> 'str'
+ * null -> ''
+ * undefined -> ''
+ * true -> '1'
+ * false -> '0'
+ * 0 -> '0'
+ * 1 -> '1'
+ *
+ * @param {string} value
+ * @returns {string|null}
+ */
+ var hash_key = function(value) {
+ if (typeof value === 'undefined' || value === null) return null;
+ if (typeof value === 'boolean') return value ? '1' : '0';
+ return value + '';
+ };
+
+ /**
+ * Escapes a string for use within HTML.
+ *
+ * @param {string} str
+ * @returns {string}
+ */
+ var escape_html = function(str) {
+ return (str + '')
+ .replace(/&/g, '&')
+ .replace(/</g, '<')
+ .replace(/>/g, '>')
+ .replace(/"/g, '"');
+ };
+
+ /**
+ * Escapes "$" characters in replacement strings.
+ *
+ * @param {string} str
+ * @returns {string}
+ */
+ var escape_replace = function(str) {
+ return (str + '').replace(/\$/g, '$$$$');
+ };
+
+ var hook = {};
+
+ /**
+ * Wraps `method` on `self` so that `fn`
+ * is invoked before the original method.
+ *
+ * @param {object} self
+ * @param {string} method
+ * @param {function} fn
+ */
+ hook.before = function(self, method, fn) {
+ var original = self[method];
+ self[method] = function() {
+ fn.apply(self, arguments);
+ return original.apply(self, arguments);
+ };
+ };
+
+ /**
+ * Wraps `method` on `self` so that `fn`
+ * is invoked after the original method.
+ *
+ * @param {object} self
+ * @param {string} method
+ * @param {function} fn
+ */
+ hook.after = function(self, method, fn) {
+ var original = self[method];
+ self[method] = function() {
+ var result = original.apply(self, arguments);
+ fn.apply(self, arguments);
+ return result;
+ };
+ };
+
+ /**
+ * Wraps `fn` so that it can only be invoked once.
+ *
+ * @param {function} fn
+ * @returns {function}
+ */
+ var once = function(fn) {
+ var called = false;
+ return function() {
+ if (called) return;
+ called = true;
+ fn.apply(this, arguments);
+ };
+ };
+
+ /**
+ * Wraps `fn` so that it can only be called once
+ * every `delay` milliseconds (invoked on the falling edge).
+ *
+ * @param {function} fn
+ * @param {int} delay
+ * @returns {function}
+ */
+ var debounce = function(fn, delay) {
+ var timeout;
+ return function() {
+ var self = this;
+ var args = arguments;
+ window.clearTimeout(timeout);
+ timeout = window.setTimeout(function() {
+ fn.apply(self, args);
+ }, delay);
+ };
+ };
+
+ /**
+ * Debounce all fired events types listed in `types`
+ * while executing the provided `fn`.
+ *
+ * @param {object} self
+ * @param {array} types
+ * @param {function} fn
+ */
+ var debounce_events = function(self, types, fn) {
+ var type;
+ var trigger = self.trigger;
+ var event_args = {};
+
+ // override trigger method
+ self.trigger = function() {
+ var type = arguments[0];
+ if (types.indexOf(type) !== -1) {
+ event_args[type] = arguments;
+ } else {
+ return trigger.apply(self, arguments);
+ }
+ };
+
+ // invoke provided function
+ fn.apply(self, []);
+ self.trigger = trigger;
+
+ // trigger queued events
+ for (type in event_args) {
+ if (event_args.hasOwnProperty(type)) {
+ trigger.apply(self, event_args[type]);
+ }
+ }
+ };
+
+ /**
+ * A workaround for http://bugs.jquery.com/ticket/6696
+ *
+ * @param {object} $parent - Parent element to listen on.
+ * @param {string} event - Event name.
+ * @param {string} selector - Descendant selector to filter by.
+ * @param {function} fn - Event handler.
+ */
+ var watchChildEvent = function($parent, event, selector, fn) {
+ $parent.on(event, selector, function(e) {
+ var child = e.target;
+ while (child && child.parentNode !== $parent[0]) {
+ child = child.parentNode;
+ }
+ e.currentTarget = child;
+ return fn.apply(this, [e]);
+ });
+ };
+
+ /**
+ * Determines the current selection within a text input control.
+ * Returns an object containing:
+ * - start
+ * - length
+ *
+ * @param {object} input
+ * @returns {object}
+ */
+ var getSelection = function(input) {
+ var result = {};
+ if ('selectionStart' in input) {
+ result.start = input.selectionStart;
+ result.length = input.selectionEnd - result.start;
+ } else if (document.selection) {
+ input.focus();
+ var sel = document.selection.createRange();
+ var selLen = document.selection.createRange().text.length;
+ sel.moveStart('character', -input.value.length);
+ result.start = sel.text.length - selLen;
+ result.length = selLen;
+ }
+ return result;
+ };
+
+ /**
+ * Copies CSS properties from one element to another.
+ *
+ * @param {object} $from
+ * @param {object} $to
+ * @param {array} properties
+ */
+ var transferStyles = function($from, $to, properties) {
+ var i, n, styles = {};
+ if (properties) {
+ for (i = 0, n = properties.length; i < n; i++) {
+ styles[properties[i]] = $from.css(properties[i]);
+ }
+ } else {
+ styles = $from.css();
+ }
+ $to.css(styles);
+ };
+
+ /**
+ * Measures the width of a string within a
+ * parent element (in pixels).
+ *
+ * @param {string} str
+ * @param {object} $parent
+ * @returns {int}
+ */
+ var measureString = function(str, $parent) {
+ if (!str) {
+ return 0;
+ }
+
+ var $test = $('<test>').css({
+ position: 'absolute',
+ top: -99999,
+ left: -99999,
+ width: 'auto',
+ padding: 0,
+ whiteSpace: 'pre'
+ }).text(str).appendTo('body');
+
+ transferStyles($parent, $test, [
+ 'letterSpacing',
+ 'fontSize',
+ 'fontFamily',
+ 'fontWeight',
+ 'textTransform'
+ ]);
+
+ var width = $test.width();
+ $test.remove();
+
+ return width;
+ };
+
+ /**
+ * Sets up an input to grow horizontally as the user
+ * types. If the value is changed manually, you can
+ * trigger the "update" handler to resize:
+ *
+ * $input.trigger('update');
+ *
+ * @param {object} $input
+ */
+ var autoGrow = function($input) {
+ var currentWidth = null;
+
+ var update = function(e, options) {
+ var value, keyCode, printable, placeholder, width;
+ var shift, character, selection;
+ e = e || window.event || {};
+ options = options || {};
+
+ if (e.metaKey || e.altKey) return;
+ if (!options.force && $input.data('grow') === false) return;
+
+ value = $input.val();
+ if (e.type && e.type.toLowerCase() === 'keydown') {
+ keyCode = e.keyCode;
+ printable = (
+ (keyCode >= 97 && keyCode <= 122) || // a-z
+ (keyCode >= 65 && keyCode <= 90) || // A-Z
+ (keyCode >= 48 && keyCode <= 57) || // 0-9
+ keyCode === 32 // space
+ );
+
+ if (keyCode === KEY_DELETE || keyCode === KEY_BACKSPACE) {
+ selection = getSelection($input[0]);
+ if (selection.length) {
+ value = value.substring(0, selection.start) + value.substring(selection.start + selection.length);
+ } else if (keyCode === KEY_BACKSPACE && selection.start) {
+ value = value.substring(0, selection.start - 1) + value.substring(selection.start + 1);
+ } else if (keyCode === KEY_DELETE && typeof selection.start !== 'undefined') {
+ value = value.substring(0, selection.start) + value.substring(selection.start + 1);
+ }
+ } else if (printable) {
+ shift = e.shiftKey;
+ character = String.fromCharCode(e.keyCode);
+ if (shift) character = character.toUpperCase();
+ else character = character.toLowerCase();
+ value += character;
+ }
+ }
+
+ placeholder = $input.attr('placeholder');
+ if (!value && placeholder) {
+ value = placeholder;
+ }
+
+ width = measureString(value, $input) + 4;
+ if (width !== currentWidth) {
+ currentWidth = width;
+ $input.width(width);
+ $input.triggerHandler('resize');
+ }
+ };
+
+ $input.on('keydown keyup update blur', update);
+ update();
+ };
+
+ var domToString = function(d) {
+ var tmp = document.createElement('div');
+
+ tmp.appendChild(d.cloneNode(true));
+
+ return tmp.innerHTML;
+ };
+
+ var logError = function(message, options){
+ if(!options) options = {};
+ var component = "Selectize";
+
+ console.error(component + ": " + message)
+
+ if(options.explanation){
+ // console.group is undefined in <IE11
+ if(console.group) console.group();
+ console.error(options.explanation);
+ if(console.group) console.groupEnd();
+ }
+ }
+
+
+ var Selectize = function($input, settings) {
+ var key, i, n, dir, input, self = this;
+ input = $input[0];
+ input.selectize = self;
+
+ // detect rtl environment
+ var computedStyle = window.getComputedStyle && window.getComputedStyle(input, null);
+ dir = computedStyle ? computedStyle.getPropertyValue('direction') : input.currentStyle && input.currentStyle.direction;
+ dir = dir || $input.parents('[dir]:first').attr('dir') || '';
+
+ // setup default state
+ $.extend(self, {
+ order : 0,
+ settings : settings,
+ $input : $input,
+ tabIndex : $input.attr('tabindex') || '',
+ tagType : input.tagName.toLowerCase() === 'select' ? TAG_SELECT : TAG_INPUT,
+ rtl : /rtl/i.test(dir),
+
+ eventNS : '.selectize' + (++Selectize.count),
+ highlightedValue : null,
+ isOpen : false,
+ isDisabled : false,
+ isRequired : $input.is('[required]'),
+ isInvalid : false,
+ isLocked : false,
+ isFocused : false,
+ isInputHidden : false,
+ isSetup : false,
+ isShiftDown : false,
+ isCmdDown : false,
+ isCtrlDown : false,
+ ignoreFocus : false,
+ ignoreBlur : false,
+ ignoreHover : false,
+ hasOptions : false,
+ currentResults : null,
+ lastValue : '',
+ caretPos : 0,
+ loading : 0,
+ loadedSearches : {},
+
+ $activeOption : null,
+ $activeItems : [],
+
+ optgroups : {},
+ options : {},
+ userOptions : {},
+ items : [],
+ renderCache : {},
+ onSearchChange : settings.loadThrottle === null ? self.onSearchChange : debounce(self.onSearchChange, settings.loadThrottle)
+ });
+
+ // search system
+ self.sifter = new Sifter(this.options, {diacritics: settings.diacritics});
+
+ // build options table
+ if (self.settings.options) {
+ for (i = 0, n = self.settings.options.length; i < n; i++) {
+ self.registerOption(self.settings.options[i]);
+ }
+ delete self.settings.options;
+ }
+
+ // build optgroup table
+ if (self.settings.optgroups) {
+ for (i = 0, n = self.settings.optgroups.length; i < n; i++) {
+ self.registerOptionGroup(self.settings.optgroups[i]);
+ }
+ delete self.settings.optgroups;
+ }
+
+ // option-dependent defaults
+ self.settings.mode = self.settings.mode || (self.settings.maxItems === 1 ? 'single' : 'multi');
+ if (typeof self.settings.hideSelected !== 'boolean') {
+ self.settings.hideSelected = self.settings.mode === 'multi';
+ }
+
+ self.initializePlugins(self.settings.plugins);
+ self.setupCallbacks();
+ self.setupTemplates();
+ self.setup();
+ };
+
+ // mixins
+ // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+ MicroEvent.mixin(Selectize);
+
+ if(typeof MicroPlugin !== "undefined"){
+ MicroPlugin.mixin(Selectize);
+ }else{
+ logError("Dependency MicroPlugin is missing",
+ {explanation:
+ "Make sure you either: (1) are using the \"standalone\" "+
+ "version of Selectize, or (2) require MicroPlugin before you "+
+ "load Selectize."}
+ );
+ }
+
+
+ // methods
+ // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+ $.extend(Selectize.prototype, {
+
+ /**
+ * Creates all elements and sets up event bindings.
+ */
+ setup: function() {
+ var self = this;
+ var settings = self.settings;
+ var eventNS = self.eventNS;
+ var $window = $(window);
+ var $document = $(document);
+ var $input = self.$input;
+
+ var $wrapper;
+ var $control;
+ var $control_input;
+ var $dropdown;
+ var $dropdown_content;
+ var $dropdown_parent;
+ var inputMode;
+ var timeout_blur;
+ var timeout_focus;
+ var classes;
+ var classes_plugins;
+ var inputId;
+
+ inputMode = self.settings.mode;
+ classes = $input.attr('class') || '';
+
+ $wrapper = $('<div>').addClass(settings.wrapperClass).addClass(classes).addClass(inputMode);
+ $control = $('<div>').addClass(settings.inputClass).addClass('items').appendTo($wrapper);
+ $control_input = $('<input type="text" autocomplete="off" />').appendTo($control).attr('tabindex', $input.is(':disabled') ? '-1' : self.tabIndex);
+ $dropdown_parent = $(settings.dropdownParent || $wrapper);
+ $dropdown = $('<div>').addClass(settings.dropdownClass).addClass(inputMode).hide().appendTo($dropdown_parent);
+ $dropdown_content = $('<div>').addClass(settings.dropdownContentClass).appendTo($dropdown);
+
+ if(inputId = $input.attr('id')) {
+ $control_input.attr('id', inputId + '-selectized');
+ $("label[for='"+inputId+"']").attr('for', inputId + '-selectized');
+ }
+
+ if(self.settings.copyClassesToDropdown) {
+ $dropdown.addClass(classes);
+ }
+
+ $wrapper.css({
+ width: $input[0].style.width
+ });
+
+ if (self.plugins.names.length) {
+ classes_plugins = 'plugin-' + self.plugins.names.join(' plugin-');
+ $wrapper.addClass(classes_plugins);
+ $dropdown.addClass(classes_plugins);
+ }
+
+ if ((settings.maxItems === null || settings.maxItems > 1) && self.tagType === TAG_SELECT) {
+ $input.attr('multiple', 'multiple');
+ }
+
+ if (self.settings.placeholder) {
+ $control_input.attr('placeholder', settings.placeholder);
+ }
+
+ // if splitOn was not passed in, construct it from the delimiter to allow pasting universally
+ if (!self.settings.splitOn && self.settings.delimiter) {
+ var delimiterEscaped = self.settings.delimiter.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
+ self.settings.splitOn = new RegExp('\\s*' + delimiterEscaped + '+\\s*');
+ }
+
+ if ($input.attr('autocorrect')) {
+ $control_input.attr('autocorrect', $input.attr('autocorrect'));
+ }
+
+ if ($input.attr('autocapitalize')) {
+ $control_input.attr('autocapitalize', $input.attr('autocapitalize'));
+ }
+
+ self.$wrapper = $wrapper;
+ self.$control = $control;
+ self.$control_input = $control_input;
+ self.$dropdown = $dropdown;
+ self.$dropdown_content = $dropdown_content;
+
+ $dropdown.on('mouseenter', '[data-selectable]', function() { return self.onOptionHover.apply(self, arguments); });
+ $dropdown.on('mousedown click', '[data-selectable]', function() { return self.onOptionSelect.apply(self, arguments); });
+ watchChildEvent($control, 'mousedown', '*:not(input)', function() { return self.onItemSelect.apply(self, arguments); });
+ autoGrow($control_input);
+
+ $control.on({
+ mousedown : function() { return self.onMouseDown.apply(self, arguments); },
+ click : function() { return self.onClick.apply(self, arguments); }
+ });
+
+ $control_input.on({
+ mousedown : function(e) { e.stopPropagation(); },
+ keydown : function() { return self.onKeyDown.apply(self, arguments); },
+ keyup : function() { return self.onKeyUp.apply(self, arguments); },
+ keypress : function() { return self.onKeyPress.apply(self, arguments); },
+ resize : function() { self.positionDropdown.apply(self, []); },
+ blur : function() { return self.onBlur.apply(self, arguments); },
+ focus : function() { self.ignoreBlur = false; return self.onFocus.apply(self, arguments); },
+ paste : function() { return self.onPaste.apply(self, arguments); }
+ });
+
+ $document.on('keydown' + eventNS, function(e) {
+ self.isCmdDown = e[IS_MAC ? 'metaKey' : 'ctrlKey'];
+ self.isCtrlDown = e[IS_MAC ? 'altKey' : 'ctrlKey'];
+ self.isShiftDown = e.shiftKey;
+ });
+
+ $document.on('keyup' + eventNS, function(e) {
+ if (e.keyCode === KEY_CTRL) self.isCtrlDown = false;
+ if (e.keyCode === KEY_SHIFT) self.isShiftDown = false;
+ if (e.keyCode === KEY_CMD) self.isCmdDown = false;
+ });
+
+ $document.on('mousedown' + eventNS, function(e) {
+ if (self.isFocused) {
+ // prevent events on the dropdown scrollbar from causing the control to blur
+ if (e.target === self.$dropdown[0] || e.target.parentNode === self.$dropdown[0]) {
+ return false;
+ }
+ // blur on click outside
+ if (!self.$control.has(e.target).length && e.target !== self.$control[0]) {
+ self.blur(e.target);
+ }
+ }
+ });
+
+ $window.on(['scroll' + eventNS, 'resize' + eventNS].join(' '), function() {
+ if (self.isOpen) {
+ self.positionDropdown.apply(self, arguments);
+ }
+ });
+ $window.on('mousemove' + eventNS, function() {
+ self.ignoreHover = false;
+ });
+
+ // store original children and tab index so that they can be
+ // restored when the destroy() method is called.
+ this.revertSettings = {
+ $children : $input.children().detach(),
+ tabindex : $input.attr('tabindex')
+ };
+
+ $input.attr('tabindex', -1).hide().after(self.$wrapper);
+
+ if ($.isArray(settings.items)) {
+ self.setValue(settings.items);
+ delete settings.items;
+ }
+
+ // feature detect for the validation API
+ if (SUPPORTS_VALIDITY_API) {
+ $input.on('invalid' + eventNS, function(e) {
+ e.preventDefault();
+ self.isInvalid = true;
+ self.refreshState();
+ });
+ }
+
+ self.updateOriginalInput();
+ self.refreshItems();
+ self.refreshState();
+ self.updatePlaceholder();
+ self.isSetup = true;
+
+ if ($input.is(':disabled')) {
+ self.disable();
+ }
+
+ self.on('change', this.onChange);
+
+ $input.data('selectize', self);
+ $input.addClass('selectized');
+ self.trigger('initialize');
+
+ // preload options
+ if (settings.preload === true) {
+ self.onSearchChange('');
+ }
+
+ },
+
+ /**
+ * Sets up default rendering functions.
+ */
+ setupTemplates: function() {
+ var self = this;
+ var field_label = self.settings.labelField;
+ var field_optgroup = self.settings.optgroupLabelField;
+
+ var templates = {
+ 'optgroup': function(data) {
+ return '<div class="optgroup">' + data.html + '</div>';
+ },
+ 'optgroup_header': function(data, escape) {
+ return '<div class="optgroup-header">' + escape(data[field_optgroup]) + '</div>';
+ },
+ 'option': function(data, escape) {
+ return '<div class="option">' + escape(data[field_label]) + '</div>';
+ },
+ 'item': function(data, escape) {
+ return '<div class="item">' + escape(data[field_label]) + '</div>';
+ },
+ 'option_create': function(data, escape) {
+ return '<div class="create">Add <strong>' + escape(data.input) + '</strong>…</div>';
+ }
+ };
+
+ self.settings.render = $.extend({}, templates, self.settings.render);
+ },
+
+ /**
+ * Maps fired events to callbacks provided
+ * in the settings used when creating the control.
+ */
+ setupCallbacks: function() {
+ var key, fn, callbacks = {
+ 'initialize' : 'onInitialize',
+ 'change' : 'onChange',
+ 'item_add' : 'onItemAdd',
+ 'item_remove' : 'onItemRemove',
+ 'clear' : 'onClear',
+ 'option_add' : 'onOptionAdd',
+ 'option_remove' : 'onOptionRemove',
+ 'option_clear' : 'onOptionClear',
+ 'optgroup_add' : 'onOptionGroupAdd',
+ 'optgroup_remove' : 'onOptionGroupRemove',
+ 'optgroup_clear' : 'onOptionGroupClear',
+ 'dropdown_open' : 'onDropdownOpen',
+ 'dropdown_close' : 'onDropdownClose',
+ 'type' : 'onType',
+ 'load' : 'onLoad',
+ 'focus' : 'onFocus',
+ 'blur' : 'onBlur'
+ };
+
+ for (key in callbacks) {
+ if (callbacks.hasOwnProperty(key)) {
+ fn = this.settings[callbacks[key]];
+ if (fn) this.on(key, fn);
+ }
+ }
+ },
+
+ /**
+ * Triggered when the main control element
+ * has a click event.
+ *
+ * @param {object} e
+ * @return {boolean}
+ */
+ onClick: function(e) {
+ var self = this;
+
+ // necessary for mobile webkit devices (manual focus triggering
+ // is ignored unless invoked within a click event)
+ if (!self.isFocused) {
+ self.focus();
+ e.preventDefault();
+ }
+ },
+
+ /**
+ * Triggered when the main control element
+ * has a mouse down event.
+ *
+ * @param {object} e
+ * @return {boolean}
+ */
+ onMouseDown: function(e) {
+ var self = this;
+ var defaultPrevented = e.isDefaultPrevented();
+ var $target = $(e.target);
+
+ if (self.isFocused) {
+ // retain focus by preventing native handling. if the
+ // event target is the input it should not be modified.
+ // otherwise, text selection within the input won't work.
+ if (e.target !== self.$control_input[0]) {
+ if (self.settings.mode === 'single') {
+ // toggle dropdown
+ self.isOpen ? self.close() : self.open();
+ } else if (!defaultPrevented) {
+ self.setActiveItem(null);
+ }
+ return false;
+ }
+ } else {
+ // give control focus
+ if (!defaultPrevented) {
+ window.setTimeout(function() {
+ self.focus();
+ }, 0);
+ }
+ }
+ },
+
+ /**
+ * Triggered when the value of the control has been changed.
+ * This should propagate the event to the original DOM
+ * input / select element.
+ */
+ onChange: function() {
+ this.$input.trigger('change');
+ },
+
+ /**
+ * Triggered on <input> paste.
+ *
+ * @param {object} e
+ * @returns {boolean}
+ */
+ onPaste: function(e) {
+ var self = this;
+
+ if (self.isFull() || self.isInputHidden || self.isLocked) {
+ e.preventDefault();
+ return;
+ }
+
+ // If a regex or string is included, this will split the pasted
+ // input and create Items for each separate value
+ if (self.settings.splitOn) {
+
+ // Wait for pasted text to be recognized in value
+ setTimeout(function() {
+ var pastedText = self.$control_input.val();
+ if(!pastedText.match(self.settings.splitOn)){ return }
+
+ var splitInput = $.trim(pastedText).split(self.settings.splitOn);
+ for (var i = 0, n = splitInput.length; i < n; i++) {
+ self.createItem(splitInput[i]);
+ }
+ }, 0);
+ }
+ },
+
+ /**
+ * Triggered on <input> keypress.
+ *
+ * @param {object} e
+ * @returns {boolean}
+ */
+ onKeyPress: function(e) {
+ if (this.isLocked) return e && e.preventDefault();
+ var character = String.fromCharCode(e.keyCode || e.which);
+ if (this.settings.create && this.settings.mode === 'multi' && character === this.settings.delimiter) {
+ this.createItem();
+ e.preventDefault();
+ return false;
+ }
+ },
+
+ /**
+ * Triggered on <input> keydown.
+ *
+ * @param {object} e
+ * @returns {boolean}
+ */
+ onKeyDown: function(e) {
+ var isInput = e.target === this.$control_input[0];
+ var self = this;
+
+ if (self.isLocked) {
+ if (e.keyCode !== KEY_TAB) {
+ e.preventDefault();
+ }
+ return;
+ }
+
+ switch (e.keyCode) {
+ case KEY_A:
+ if (self.isCmdDown) {
+ self.selectAll();
+ return;
+ }
+ break;
+ case KEY_ESC:
+ if (self.isOpen) {
+ e.preventDefault();
+ e.stopPropagation();
+ self.close();
+ }
+ return;
+ case KEY_N:
+ if (!e.ctrlKey || e.altKey) break;
+ case KEY_DOWN:
+ if (!self.isOpen && self.hasOptions) {
+ self.open();
+ } else if (self.$activeOption) {
+ self.ignoreHover = true;
+ var $next = self.getAdjacentOption(self.$activeOption, 1);
+ if ($next.length) self.setActiveOption($next, true, true);
+ }
+ e.preventDefault();
+ return;
+ case KEY_P:
+ if (!e.ctrlKey || e.altKey) break;
+ case KEY_UP:
+ if (self.$activeOption) {
+ self.ignoreHover = true;
+ var $prev = self.getAdjacentOption(self.$activeOption, -1);
+ if ($prev.length) self.setActiveOption($prev, true, true);
+ }
+ e.preventDefault();
+ return;
+ case KEY_RETURN:
+ if (self.isOpen && self.$activeOption) {
+ self.onOptionSelect({currentTarget: self.$activeOption});
+ e.preventDefault();
+ }
+ return;
+ case KEY_LEFT:
+ self.advanceSelection(-1, e);
+ return;
+ case KEY_RIGHT:
+ self.advanceSelection(1, e);
+ return;
+ case KEY_TAB:
+ if (self.settings.selectOnTab && self.isOpen && self.$activeOption) {
+ self.onOptionSelect({currentTarget: self.$activeOption});
+
+ // Default behaviour is to jump to the next field, we only want this
+ // if the current field doesn't accept any more entries
+ if (!self.isFull()) {
+ e.preventDefault();
+ }
+ }
+ if (self.settings.create && self.createItem()) {
+ e.preventDefault();
+ }
+ return;
+ case KEY_BACKSPACE:
+ case KEY_DELETE:
+ self.deleteSelection(e);
+ return;
+ }
+
+ if ((self.isFull() || self.isInputHidden) && !(IS_MAC ? e.metaKey : e.ctrlKey)) {
+ e.preventDefault();
+ return;
+ }
+ },
+
+ /**
+ * Triggered on <input> keyup.
+ *
+ * @param {object} e
+ * @returns {boolean}
+ */
+ onKeyUp: function(e) {
+ var self = this;
+
+ if (self.isLocked) return e && e.preventDefault();
+ var value = self.$control_input.val() || '';
+ if (self.lastValue !== value) {
+ self.lastValue = value;
+ self.onSearchChange(value);
+ self.refreshOptions();
+ self.trigger('type', value);
+ }
+ },
+
+ /**
+ * Invokes the user-provide option provider / loader.
+ *
+ * Note: this function is debounced in the Selectize
+ * constructor (by `settings.loadThrottle` milliseconds)
+ *
+ * @param {string} value
+ */
+ onSearchChange: function(value) {
+ var self = this;
+ var fn = self.settings.load;
+ if (!fn) return;
+ if (self.loadedSearches.hasOwnProperty(value)) return;
+ self.loadedSearches[value] = true;
+ self.load(function(callback) {
+ fn.apply(self, [value, callback]);
+ });
+ },
+
+ /**
+ * Triggered on <input> focus.
+ *
+ * @param {object} e (optional)
+ * @returns {boolean}
+ */
+ onFocus: function(e) {
+ var self = this;
+ var wasFocused = self.isFocused;
+
+ if (self.isDisabled) {
+ self.blur();
+ e && e.preventDefault();
+ return false;
+ }
+
+ if (self.ignoreFocus) return;
+ self.isFocused = true;
+ if (self.settings.preload === 'focus') self.onSearchChange('');
+
+ if (!wasFocused) self.trigger('focus');
+
+ if (!self.$activeItems.length) {
+ self.showInput();
+ self.setActiveItem(null);
+ self.refreshOptions(!!self.settings.openOnFocus);
+ }
+
+ self.refreshState();
+ },
+
+ /**
+ * Triggered on <input> blur.
+ *
+ * @param {object} e
+ * @param {Element} dest
+ */
+ onBlur: function(e, dest) {
+ var self = this;
+ if (!self.isFocused) return;
+ self.isFocused = false;
+
+ if (self.ignoreFocus) {
+ return;
+ } else if (!self.ignoreBlur && document.activeElement === self.$dropdown_content[0]) {
+ // necessary to prevent IE closing the dropdown when the scrollbar is clicked
+ self.ignoreBlur = true;
+ self.onFocus(e);
+ return;
+ }
+
+ var deactivate = function() {
+ self.close();
+ self.setTextboxValue('');
+ self.setActiveItem(null);
+ self.setActiveOption(null);
+ self.setCaret(self.items.length);
+ self.refreshState();
+
+ // IE11 bug: element still marked as active
+ dest && dest.focus && dest.focus();
+
+ self.ignoreFocus = false;
+ self.trigger('blur');
+ };
+
+ self.ignoreFocus = true;
+ if (self.settings.create && self.settings.createOnBlur) {
+ self.createItem(null, false, deactivate);
+ } else {
+ deactivate();
+ }
+ },
+
+ /**
+ * Triggered when the user rolls over
+ * an option in the autocomplete dropdown menu.
+ *
+ * @param {object} e
+ * @returns {boolean}
+ */
+ onOptionHover: function(e) {
+ if (this.ignoreHover) return;
+ this.setActiveOption(e.currentTarget, false);
+ },
+
+ /**
+ * Triggered when the user clicks on an option
+ * in the autocomplete dropdown menu.
+ *
+ * @param {object} e
+ * @returns {boolean}
+ */
+ onOptionSelect: function(e) {
+ var value, $target, $option, self = this;
+
+ if (e.preventDefault) {
+ e.preventDefault();
+ e.stopPropagation();
+ }
+
+ $target = $(e.currentTarget);
+ if ($target.hasClass('create')) {
+ self.createItem(null, function() {
+ if (self.settings.closeAfterSelect) {
+ self.close();
+ }
+ });
+ } else {
+ value = $target.attr('data-value');
+ if (typeof value !== 'undefined') {
+ self.lastQuery = null;
+ self.setTextboxValue('');
+ self.addItem(value);
+ if (self.settings.closeAfterSelect) {
+ self.close();
+ } else if (!self.settings.hideSelected && e.type && /mouse/.test(e.type)) {
+ self.setActiveOption(self.getOption(value));
+ }
+ }
+ }
+ },
+
+ /**
+ * Triggered when the user clicks on an item
+ * that has been selected.
+ *
+ * @param {object} e
+ * @returns {boolean}
+ */
+ onItemSelect: function(e) {
+ var self = this;
+
+ if (self.isLocked) return;
+ if (self.settings.mode === 'multi') {
+ e.preventDefault();
+ self.setActiveItem(e.currentTarget, e);
+ }
+ },
+
+ /**
+ * Invokes the provided method that provides
+ * results to a callback---which are then added
+ * as options to the control.
+ *
+ * @param {function} fn
+ */
+ load: function(fn) {
+ var self = this;
+ var $wrapper = self.$wrapper.addClass(self.settings.loadingClass);
+
+ self.loading++;
+ fn.apply(self, [function(results) {
+ self.loading = Math.max(self.loading - 1, 0);
+ if (results && results.length) {
+ self.addOption(results);
+ self.refreshOptions(self.isFocused && !self.isInputHidden);
+ }
+ if (!self.loading) {
+ $wrapper.removeClass(self.settings.loadingClass);
+ }
+ self.trigger('load', results);
+ }]);
+ },
+
+ /**
+ * Sets the input field of the control to the specified value.
+ *
+ * @param {string} value
+ */
+ setTextboxValue: function(value) {
+ var $input = this.$control_input;
+ var changed = $input.val() !== value;
+ if (changed) {
+ $input.val(value).triggerHandler('update');
+ this.lastValue = value;
+ }
+ },
+
+ /**
+ * Returns the value of the control. If multiple items
+ * can be selected (e.g. <select multiple>), this returns
+ * an array. If only one item can be selected, this
+ * returns a string.
+ *
+ * @returns {mixed}
+ */
+ getValue: function() {
+ if (this.tagType === TAG_SELECT && this.$input.attr('multiple')) {
+ return this.items;
+ } else {
+ return this.items.join(this.settings.delimiter);
+ }
+ },
+
+ /**
+ * Resets the selected items to the given value.
+ *
+ * @param {mixed} value
+ */
+ setValue: function(value, silent) {
+ var events = silent ? [] : ['change'];
+
+ debounce_events(this, events, function() {
+ this.clear(silent);
+ this.addItems(value, silent);
+ });
+ },
+
+ /**
+ * Sets the selected item.
+ *
+ * @param {object} $item
+ * @param {object} e (optional)
+ */
+ setActiveItem: function($item, e) {
+ var self = this;
+ var eventName;
+ var i, idx, begin, end, item, swap;
+ var $last;
+
+ if (self.settings.mode === 'single') return;
+ $item = $($item);
+
+ // clear the active selection
+ if (!$item.length) {
+ $(self.$activeItems).removeClass('active');
+ self.$activeItems = [];
+ if (self.isFocused) {
+ self.showInput();
+ }
+ return;
+ }
+
+ // modify selection
+ eventName = e && e.type.toLowerCase();
+
+ if (eventName === 'mousedown' && self.isShiftDown && self.$activeItems.length) {
+ $last = self.$control.children('.active:last');
+ begin = Array.prototype.indexOf.apply(self.$control[0].childNodes, [$last[0]]);
+ end = Array.prototype.indexOf.apply(self.$control[0].childNodes, [$item[0]]);
+ if (begin > end) {
+ swap = begin;
+ begin = end;
+ end = swap;
+ }
+ for (i = begin; i <= end; i++) {
+ item = self.$control[0].childNodes[i];
+ if (self.$activeItems.indexOf(item) === -1) {
+ $(item).addClass('active');
+ self.$activeItems.push(item);
+ }
+ }
+ e.preventDefault();
+ } else if ((eventName === 'mousedown' && self.isCtrlDown) || (eventName === 'keydown' && this.isShiftDown)) {
+ if ($item.hasClass('active')) {
+ idx = self.$activeItems.indexOf($item[0]);
+ self.$activeItems.splice(idx, 1);
+ $item.removeClass('active');
+ } else {
+ self.$activeItems.push($item.addClass('active')[0]);
+ }
+ } else {
+ $(self.$activeItems).removeClass('active');
+ self.$activeItems = [$item.addClass('active')[0]];
+ }
+
+ // ensure control has focus
+ self.hideInput();
+ if (!this.isFocused) {
+ self.focus();
+ }
+ },
+
+ /**
+ * Sets the selected item in the dropdown menu
+ * of available options.
+ *
+ * @param {object} $object
+ * @param {boolean} scroll
+ * @param {boolean} animate
+ */
+ setActiveOption: function($option, scroll, animate) {
+ var height_menu, height_item, y;
+ var scroll_top, scroll_bottom;
+ var self = this;
+
+ if (self.$activeOption) self.$activeOption.removeClass('active');
+ self.$activeOption = null;
+
+ $option = $($option);
+ if (!$option.length) return;
+
+ self.$activeOption = $option.addClass('active');
+
+ if (scroll || !isset(scroll)) {
+
+ height_menu = self.$dropdown_content.height();
+ height_item = self.$activeOption.outerHeight(true);
+ scroll = self.$dropdown_content.scrollTop() || 0;
+ y = self.$activeOption.offset().top - self.$dropdown_content.offset().top + scroll;
+ scroll_top = y;
+ scroll_bottom = y - height_menu + height_item;
+
+ if (y + height_item > height_menu + scroll) {
+ self.$dropdown_content.stop().animate({scrollTop: scroll_bottom}, animate ? self.settings.scrollDuration : 0);
+ } else if (y < scroll) {
+ self.$dropdown_content.stop().animate({scrollTop: scroll_top}, animate ? self.settings.scrollDuration : 0);
+ }
+
+ }
+ },
+
+ /**
+ * Selects all items (CTRL + A).
+ */
+ selectAll: function() {
+ var self = this;
+ if (self.settings.mode === 'single') return;
+
+ self.$activeItems = Array.prototype.slice.apply(self.$control.children(':not(input)').addClass('active'));
+ if (self.$activeItems.length) {
+ self.hideInput();
+ self.close();
+ }
+ self.focus();
+ },
+
+ /**
+ * Hides the input element out of view, while
+ * retaining its focus.
+ */
+ hideInput: function() {
+ var self = this;
+
+ self.setTextboxValue('');
+ self.$control_input.css({opacity: 0, position: 'absolute', left: self.rtl ? 10000 : -10000});
+ self.isInputHidden = true;
+ },
+
+ /**
+ * Restores input visibility.
+ */
+ showInput: function() {
+ this.$control_input.css({opacity: 1, position: 'relative', left: 0});
+ this.isInputHidden = false;
+ },
+
+ /**
+ * Gives the control focus.
+ */
+ focus: function() {
+ var self = this;
+ if (self.isDisabled) return;
+
+ self.ignoreFocus = true;
+ self.$control_input[0].focus();
+ window.setTimeout(function() {
+ self.ignoreFocus = false;
+ self.onFocus();
+ }, 0);
+ },
+
+ /**
+ * Forces the control out of focus.
+ *
+ * @param {Element} dest
+ */
+ blur: function(dest) {
+ this.$control_input[0].blur();
+ this.onBlur(null, dest);
+ },
+
+ /**
+ * Returns a function that scores an object
+ * to show how good of a match it is to the
+ * provided query.
+ *
+ * @param {string} query
+ * @param {object} options
+ * @return {function}
+ */
+ getScoreFunction: function(query) {
+ return this.sifter.getScoreFunction(query, this.getSearchOptions());
+ },
+
+ /**
+ * Returns search options for sifter (the system
+ * for scoring and sorting results).
+ *
+ * @see https://github.com/brianreavis/sifter.js
+ * @return {object}
+ */
+ getSearchOptions: function() {
+ var settings = this.settings;
+ var sort = settings.sortField;
+ if (typeof sort === 'string') {
+ sort = [{field: sort}];
+ }
+
+ return {
+ fields : settings.searchField,
+ conjunction : settings.searchConjunction,
+ sort : sort
+ };
+ },
+
+ /**
+ * Searches through available options and returns
+ * a sorted array of matches.
+ *
+ * Returns an object containing:
+ *
+ * - query {string}
+ * - tokens {array}
+ * - total {int}
+ * - items {array}
+ *
+ * @param {string} query
+ * @returns {object}
+ */
+ search: function(query) {
+ var i, value, score, result, calculateScore;
+ var self = this;
+ var settings = self.settings;
+ var options = this.getSearchOptions();
+
+ // validate user-provided result scoring function
+ if (settings.score) {
+ calculateScore = self.settings.score.apply(this, [query]);
+ if (typeof calculateScore !== 'function') {
+ throw new Error('Selectize "score" setting must be a function that returns a function');
+ }
+ }
+
+ // perform search
+ if (query !== self.lastQuery) {
+ self.lastQuery = query;
+ result = self.sifter.search(query, $.extend(options, {score: calculateScore}));
+ self.currentResults = result;
+ } else {
+ result = $.extend(true, {}, self.currentResults);
+ }
+
+ // filter out selected items
+ if (settings.hideSelected) {
+ for (i = result.items.length - 1; i >= 0; i--) {
+ if (self.items.indexOf(hash_key(result.items[i].id)) !== -1) {
+ result.items.splice(i, 1);
+ }
+ }
+ }
+
+ return result;
+ },
+
+ /**
+ * Refreshes the list of available options shown
+ * in the autocomplete dropdown menu.
+ *
+ * @param {boolean} triggerDropdown
+ */
+ refreshOptions: function(triggerDropdown) {
+ var i, j, k, n, groups, groups_order, option, option_html, optgroup, optgroups, html, html_children, has_create_option;
+ var $active, $active_before, $create;
+
+ if (typeof triggerDropdown === 'undefined') {
+ triggerDropdown = true;
+ }
+
+ var self = this;
+ var query = $.trim(self.$control_input.val());
+ var results = self.search(query);
+ var $dropdown_content = self.$dropdown_content;
+ var active_before = self.$activeOption && hash_key(self.$activeOption.attr('data-value'));
+
+ // build markup
+ n = results.items.length;
+ if (typeof self.settings.maxOptions === 'number') {
+ n = Math.min(n, self.settings.maxOptions);
+ }
+
+ // render and group available options individually
+ groups = {};
+ groups_order = [];
+
+ for (i = 0; i < n; i++) {
+ option = self.options[results.items[i].id];
+ option_html = self.render('option', option);
+ optgroup = option[self.settings.optgroupField] || '';
+ optgroups = $.isArray(optgroup) ? optgroup : [optgroup];
+
+ for (j = 0, k = optgroups && optgroups.length; j < k; j++) {
+ optgroup = optgroups[j];
+ if (!self.optgroups.hasOwnProperty(optgroup)) {
+ optgroup = '';
+ }
+ if (!groups.hasOwnProperty(optgroup)) {
+ groups[optgroup] = document.createDocumentFragment();
+ groups_order.push(optgroup);
+ }
+ groups[optgroup].appendChild(option_html);
+ }
+ }
+
+ // sort optgroups
+ if (this.settings.lockOptgroupOrder) {
+ groups_order.sort(function(a, b) {
+ var a_order = self.optgroups[a].$order || 0;
+ var b_order = self.optgroups[b].$order || 0;
+ return a_order - b_order;
+ });
+ }
+
+ // render optgroup headers & join groups
+ html = document.createDocumentFragment();
+ for (i = 0, n = groups_order.length; i < n; i++) {
+ optgroup = groups_order[i];
+ if (self.optgroups.hasOwnProperty(optgroup) && groups[optgroup].childNodes.length) {
+ // render the optgroup header and options within it,
+ // then pass it to the wrapper template
+ html_children = document.createDocumentFragment();
+ html_children.appendChild(self.render('optgroup_header', self.optgroups[optgroup]));
+ html_children.appendChild(groups[optgroup]);
+
+ html.appendChild(self.render('optgroup', $.extend({}, self.optgroups[optgroup], {
+ html: domToString(html_children),
+ dom: html_children
+ })));
+ } else {
+ html.appendChild(groups[optgroup]);
+ }
+ }
+
+ $dropdown_content.html(html);
+
+ // highlight matching terms inline
+ if (self.settings.highlight && results.query.length && results.tokens.length) {
+ $dropdown_content.removeHighlight();
+ for (i = 0, n = results.tokens.length; i < n; i++) {
+ highlight($dropdown_content, results.tokens[i].regex);
+ }
+ }
+
+ // add "selected" class to selected options
+ if (!self.settings.hideSelected) {
+ for (i = 0, n = self.items.length; i < n; i++) {
+ self.getOption(self.items[i]).addClass('selected');
+ }
+ }
+
+ // add create option
+ has_create_option = self.canCreate(query);
+ if (has_create_option) {
+ $dropdown_content.prepend(self.render('option_create', {input: query}));
+ $create = $($dropdown_content[0].childNodes[0]);
+ }
+
+ // activate
+ self.hasOptions = results.items.length > 0 || has_create_option;
+ if (self.hasOptions) {
+ if (results.items.length > 0) {
+ $active_before = active_before && self.getOption(active_before);
+ if ($active_before && $active_before.length) {
+ $active = $active_before;
+ } else if (self.settings.mode === 'single' && self.items.length) {
+ $active = self.getOption(self.items[0]);
+ }
+ if (!$active || !$active.length) {
+ if ($create && !self.settings.addPrecedence) {
+ $active = self.getAdjacentOption($create, 1);
+ } else {
+ $active = $dropdown_content.find('[data-selectable]:first');
+ }
+ }
+ } else {
+ $active = $create;
+ }
+ self.setActiveOption($active);
+ if (triggerDropdown && !self.isOpen) { self.open(); }
+ } else {
+ self.setActiveOption(null);
+ if (triggerDropdown && self.isOpen) { self.close(); }
+ }
+ },
+
+ /**
+ * Adds an available option. If it already exists,
+ * nothing will happen. Note: this does not refresh
+ * the options list dropdown (use `refreshOptions`
+ * for that).
+ *
+ * Usage:
+ *
+ * this.addOption(data)
+ *
+ * @param {object|array} data
+ */
+ addOption: function(data) {
+ var i, n, value, self = this;
+
+ if ($.isArray(data)) {
+ for (i = 0, n = data.length; i < n; i++) {
+ self.addOption(data[i]);
+ }
+ return;
+ }
+
+ if (value = self.registerOption(data)) {
+ self.userOptions[value] = true;
+ self.lastQuery = null;
+ self.trigger('option_add', value, data);
+ }
+ },
+
+ /**
+ * Registers an option to the pool of options.
+ *
+ * @param {object} data
+ * @return {boolean|string}
+ */
+ registerOption: function(data) {
+ var key = hash_key(data[this.settings.valueField]);
+ if (typeof key === 'undefined' || key === null || this.options.hasOwnProperty(key)) return false;
+ data.$order = data.$order || ++this.order;
+ this.options[key] = data;
+ return key;
+ },
+
+ /**
+ * Registers an option group to the pool of option groups.
+ *
+ * @param {object} data
+ * @return {boolean|string}
+ */
+ registerOptionGroup: function(data) {
+ var key = hash_key(data[this.settings.optgroupValueField]);
+ if (!key) return false;
+
+ data.$order = data.$order || ++this.order;
+ this.optgroups[key] = data;
+ return key;
+ },
+
+ /**
+ * Registers a new optgroup for options
+ * to be bucketed into.
+ *
+ * @param {string} id
+ * @param {object} data
+ */
+ addOptionGroup: function(id, data) {
+ data[this.settings.optgroupValueField] = id;
+ if (id = this.registerOptionGroup(data)) {
+ this.trigger('optgroup_add', id, data);
+ }
+ },
+
+ /**
+ * Removes an existing option group.
+ *
+ * @param {string} id
+ */
+ removeOptionGroup: function(id) {
+ if (this.optgroups.hasOwnProperty(id)) {
+ delete this.optgroups[id];
+ this.renderCache = {};
+ this.trigger('optgroup_remove', id);
+ }
+ },
+
+ /**
+ * Clears all existing option groups.
+ */
+ clearOptionGroups: function() {
+ this.optgroups = {};
+ this.renderCache = {};
+ this.trigger('optgroup_clear');
+ },
+
+ /**
+ * Updates an option available for selection. If
+ * it is visible in the selected items or options
+ * dropdown, it will be re-rendered automatically.
+ *
+ * @param {string} value
+ * @param {object} data
+ */
+ updateOption: function(value, data) {
+ var self = this;
+ var $item, $item_new;
+ var value_new, index_item, cache_items, cache_options, order_old;
+
+ value = hash_key(value);
+ value_new = hash_key(data[self.settings.valueField]);
+
+ // sanity checks
+ if (value === null) return;
+ if (!self.options.hasOwnProperty(value)) return;
+ if (typeof value_new !== 'string') throw new Error('Value must be set in option data');
+
+ order_old = self.options[value].$order;
+
+ // update references
+ if (value_new !== value) {
+ delete self.options[value];
+ index_item = self.items.indexOf(value);
+ if (index_item !== -1) {
+ self.items.splice(index_item, 1, value_new);
+ }
+ }
+ data.$order = data.$order || order_old;
+ self.options[value_new] = data;
+
+ // invalidate render cache
+ cache_items = self.renderCache['item'];
+ cache_options = self.renderCache['option'];
+
+ if (cache_items) {
+ delete cache_items[value];
+ delete cache_items[value_new];
+ }
+ if (cache_options) {
+ delete cache_options[value];
+ delete cache_options[value_new];
+ }
+
+ // update the item if it's selected
+ if (self.items.indexOf(value_new) !== -1) {
+ $item = self.getItem(value);
+ $item_new = $(self.render('item', data));
+ if ($item.hasClass('active')) $item_new.addClass('active');
+ $item.replaceWith($item_new);
+ }
+
+ // invalidate last query because we might have updated the sortField
+ self.lastQuery = null;
+
+ // update dropdown contents
+ if (self.isOpen) {
+ self.refreshOptions(false);
+ }
+ },
+
+ /**
+ * Removes a single option.
+ *
+ * @param {string} value
+ * @param {boolean} silent
+ */
+ removeOption: function(value, silent) {
+ var self = this;
+ value = hash_key(value);
+
+ var cache_items = self.renderCache['item'];
+ var cache_options = self.renderCache['option'];
+ if (cache_items) delete cache_items[value];
+ if (cache_options) delete cache_options[value];
+
+ delete self.userOptions[value];
+ delete self.options[value];
+ self.lastQuery = null;
+ self.trigger('option_remove', value);
+ self.removeItem(value, silent);
+ },
+
+ /**
+ * Clears all options.
+ */
+ clearOptions: function() {
+ var self = this;
+
+ self.loadedSearches = {};
+ self.userOptions = {};
+ self.renderCache = {};
+ self.options = self.sifter.items = {};
+ self.lastQuery = null;
+ self.trigger('option_clear');
+ self.clear();
+ },
+
+ /**
+ * Returns the jQuery element of the option
+ * matching the given value.
+ *
+ * @param {string} value
+ * @returns {object}
+ */
+ getOption: function(value) {
+ return this.getElementWithValue(value, this.$dropdown_content.find('[data-selectable]'));
+ },
+
+ /**
+ * Returns the jQuery element of the next or
+ * previous selectable option.
+ *
+ * @param {object} $option
+ * @param {int} direction can be 1 for next or -1 for previous
+ * @return {object}
+ */
+ getAdjacentOption: function($option, direction) {
+ var $options = this.$dropdown.find('[data-selectable]');
+ var index = $options.index($option) + direction;
+
+ return index >= 0 && index < $options.length ? $options.eq(index) : $();
+ },
+
+ /**
+ * Finds the first element with a "data-value" attribute
+ * that matches the given value.
+ *
+ * @param {mixed} value
+ * @param {object} $els
+ * @return {object}
+ */
+ getElementWithValue: function(value, $els) {
+ value = hash_key(value);
+
+ if (typeof value !== 'undefined' && value !== null) {
+ for (var i = 0, n = $els.length; i < n; i++) {
+ if ($els[i].getAttribute('data-value') === value) {
+ return $($els[i]);
+ }
+ }
+ }
+
+ return $();
+ },
+
+ /**
+ * Returns the jQuery element of the item
+ * matching the given value.
+ *
+ * @param {string} value
+ * @returns {object}
+ */
+ getItem: function(value) {
+ return this.getElementWithValue(value, this.$control.children());
+ },
+
+ /**
+ * "Selects" multiple items at once. Adds them to the list
+ * at the current caret position.
+ *
+ * @param {string} value
+ * @param {boolean} silent
+ */
+ addItems: function(values, silent) {
+ var items = $.isArray(values) ? values : [values];
+ for (var i = 0, n = items.length; i < n; i++) {
+ this.isPending = (i < n - 1);
+ this.addItem(items[i], silent);
+ }
+ },
+
+ /**
+ * "Selects" an item. Adds it to the list
+ * at the current caret position.
+ *
+ * @param {string} value
+ * @param {boolean} silent
+ */
+ addItem: function(value, silent) {
+ var events = silent ? [] : ['change'];
+
+ debounce_events(this, events, function() {
+ var $item, $option, $options;
+ var self = this;
+ var inputMode = self.settings.mode;
+ var i, active, value_next, wasFull;
+ value = hash_key(value);
+
+ if (self.items.indexOf(value) !== -1) {
+ if (inputMode === 'single') self.close();
+ return;
+ }
+
+ if (!self.options.hasOwnProperty(value)) return;
+ if (inputMode === 'single') self.clear(silent);
+ if (inputMode === 'multi' && self.isFull()) return;
+
+ $item = $(self.render('item', self.options[value]));
+ wasFull = self.isFull();
+ self.items.splice(self.caretPos, 0, value);
+ self.insertAtCaret($item);
+ if (!self.isPending || (!wasFull && self.isFull())) {
+ self.refreshState();
+ }
+
+ if (self.isSetup) {
+ $options = self.$dropdown_content.find('[data-selectable]');
+
+ // update menu / remove the option (if this is not one item being added as part of series)
+ if (!self.isPending) {
+ $option = self.getOption(value);
+ value_next = self.getAdjacentOption($option, 1).attr('data-value');
+ self.refreshOptions(self.isFocused && inputMode !== 'single');
+ if (value_next) {
+ self.setActiveOption(self.getOption(value_next));
+ }
+ }
+
+ // hide the menu if the maximum number of items have been selected or no options are left
+ if (!$options.length || self.isFull()) {
+ self.close();
+ } else {
+ self.positionDropdown();
+ }
+
+ self.updatePlaceholder();
+ self.trigger('item_add', value, $item);
+ self.updateOriginalInput({silent: silent});
+ }
+ });
+ },
+
+ /**
+ * Removes the selected item matching
+ * the provided value.
+ *
+ * @param {string} value
+ */
+ removeItem: function(value, silent) {
+ var self = this;
+ var $item, i, idx;
+
+ $item = (value instanceof $) ? value : self.getItem(value);
+ value = hash_key($item.attr('data-value'));
+ i = self.items.indexOf(value);
+
+ if (i !== -1) {
+ $item.remove();
+ if ($item.hasClass('active')) {
+ idx = self.$activeItems.indexOf($item[0]);
+ self.$activeItems.splice(idx, 1);
+ }
+
+ self.items.splice(i, 1);
+ self.lastQuery = null;
+ if (!self.settings.persist && self.userOptions.hasOwnProperty(value)) {
+ self.removeOption(value, silent);
+ }
+
+ if (i < self.caretPos) {
+ self.setCaret(self.caretPos - 1);
+ }
+
+ self.refreshState();
+ self.updatePlaceholder();
+ self.updateOriginalInput({silent: silent});
+ self.positionDropdown();
+ self.trigger('item_remove', value, $item);
+ }
+ },
+
+ /**
+ * Invokes the `create` method provided in the
+ * selectize options that should provide the data
+ * for the new item, given the user input.
+ *
+ * Once this completes, it will be added
+ * to the item list.
+ *
+ * @param {string} value
+ * @param {boolean} [triggerDropdown]
+ * @param {function} [callback]
+ * @return {boolean}
+ */
+ createItem: function(input, triggerDropdown) {
+ var self = this;
+ var caret = self.caretPos;
+ input = input || $.trim(self.$control_input.val() || '');
+
+ var callback = arguments[arguments.length - 1];
+ if (typeof callback !== 'function') callback = function() {};
+
+ if (typeof triggerDropdown !== 'boolean') {
+ triggerDropdown = true;
+ }
+
+ if (!self.canCreate(input)) {
+ callback();
+ return false;
+ }
+
+ self.lock();
+
+ var setup = (typeof self.settings.create === 'function') ? this.settings.create : function(input) {
+ var data = {};
+ data[self.settings.labelField] = input;
+ data[self.settings.valueField] = input;
+ return data;
+ };
+
+ var create = once(function(data) {
+ self.unlock();
+
+ if (!data || typeof data !== 'object') return callback();
+ var value = hash_key(data[self.settings.valueField]);
+ if (typeof value !== 'string') return callback();
+
+ self.setTextboxValue('');
+ self.addOption(data);
+ self.setCaret(caret);
+ self.addItem(value);
+ self.refreshOptions(triggerDropdown && self.settings.mode !== 'single');
+ callback(data);
+ });
+
+ var output = setup.apply(this, [input, create]);
+ if (typeof output !== 'undefined') {
+ create(output);
+ }
+
+ return true;
+ },
+
+ /**
+ * Re-renders the selected item lists.
+ */
+ refreshItems: function() {
+ this.lastQuery = null;
+
+ if (this.isSetup) {
+ this.addItem(this.items);
+ }
+
+ this.refreshState();
+ this.updateOriginalInput();
+ },
+
+ /**
+ * Updates all state-dependent attributes
+ * and CSS classes.
+ */
+ refreshState: function() {
+ this.refreshValidityState();
+ this.refreshClasses();
+ },
+
+ /**
+ * Update the `required` attribute of both input and control input.
+ *
+ * The `required` property needs to be activated on the control input
+ * for the error to be displayed at the right place. `required` also
+ * needs to be temporarily deactivated on the input since the input is
+ * hidden and can't show errors.
+ */
+ refreshValidityState: function() {
+ if (!this.isRequired) return false;
+
+ var invalid = !this.items.length;
+
+ this.isInvalid = invalid;
+ this.$control_input.prop('required', invalid);
+ this.$input.prop('required', !invalid);
+ },
+
+ /**
+ * Updates all state-dependent CSS classes.
+ */
+ refreshClasses: function() {
+ var self = this;
+ var isFull = self.isFull();
+ var isLocked = self.isLocked;
+
+ self.$wrapper
+ .toggleClass('rtl', self.rtl);
+
+ self.$control
+ .toggleClass('focus', self.isFocused)
+ .toggleClass('disabled', self.isDisabled)
+ .toggleClass('required', self.isRequired)
+ .toggleClass('invalid', self.isInvalid)
+ .toggleClass('locked', isLocked)
+ .toggleClass('full', isFull).toggleClass('not-full', !isFull)
+ .toggleClass('input-active', self.isFocused && !self.isInputHidden)
+ .toggleClass('dropdown-active', self.isOpen)
+ .toggleClass('has-options', !$.isEmptyObject(self.options))
+ .toggleClass('has-items', self.items.length > 0);
+
+ self.$control_input.data('grow', !isFull && !isLocked);
+ },
+
+ /**
+ * Determines whether or not more items can be added
+ * to the control without exceeding the user-defined maximum.
+ *
+ * @returns {boolean}
+ */
+ isFull: function() {
+ return this.settings.maxItems !== null && this.items.length >= this.settings.maxItems;
+ },
+
+ /**
+ * Refreshes the original <select> or <input>
+ * element to reflect the current state.
+ */
+ updateOriginalInput: function(opts) {
+ var i, n, options, label, self = this;
+ opts = opts || {};
+
+ if (self.tagType === TAG_SELECT) {
+ options = [];
+ for (i = 0, n = self.items.length; i < n; i++) {
+ label = self.options[self.items[i]][self.settings.labelField] || '';
+ options.push('<option value="' + escape_html(self.items[i]) + '" selected="selected">' + escape_html(label) + '</option>');
+ }
+ if (!options.length && !this.$input.attr('multiple')) {
+ options.push('<option value="" selected="selected"></option>');
+ }
+ self.$input.html(options.join(''));
+ } else {
+ self.$input.val(self.getValue());
+ self.$input.attr('value',self.$input.val());
+ }
+
+ if (self.isSetup) {
+ if (!opts.silent) {
+ self.trigger('change', self.$input.val());
+ }
+ }
+ },
+
+ /**
+ * Shows/hide the input placeholder depending
+ * on if there items in the list already.
+ */
+ updatePlaceholder: function() {
+ if (!this.settings.placeholder) return;
+ var $input = this.$control_input;
+
+ if (this.items.length) {
+ $input.removeAttr('placeholder');
+ } else {
+ $input.attr('placeholder', this.settings.placeholder);
+ }
+ $input.triggerHandler('update', {force: true});
+ },
+
+ /**
+ * Shows the autocomplete dropdown containing
+ * the available options.
+ */
+ open: function() {
+ var self = this;
+
+ if (self.isLocked || self.isOpen || (self.settings.mode === 'multi' && self.isFull())) return;
+ self.focus();
+ self.isOpen = true;
+ self.refreshState();
+ self.$dropdown.css({visibility: 'hidden', display: 'block'});
+ self.positionDropdown();
+ self.$dropdown.css({visibility: 'visible'});
+ self.trigger('dropdown_open', self.$dropdown);
+ },
+
+ /**
+ * Closes the autocomplete dropdown menu.
+ */
+ close: function() {
+ var self = this;
+ var trigger = self.isOpen;
+
+ if (self.settings.mode === 'single' && self.items.length) {
+ self.hideInput();
+ self.$control_input.blur(); // close keyboard on iOS
+ }
+
+ self.isOpen = false;
+ self.$dropdown.hide();
+ self.setActiveOption(null);
+ self.refreshState();
+
+ if (trigger) self.trigger('dropdown_close', self.$dropdown);
+ },
+
+ /**
+ * Calculates and applies the appropriate
+ * position of the dropdown.
+ */
+ positionDropdown: function() {
+ var $control = this.$control;
+ var offset = this.settings.dropdownParent === 'body' ? $control.offset() : $control.position();
+ offset.top += $control.outerHeight(true);
+
+ this.$dropdown.css({
+ width : $control.outerWidth(),
+ top : offset.top,
+ left : offset.left
+ });
+ },
+
+ /**
+ * Resets / clears all selected items
+ * from the control.
+ *
+ * @param {boolean} silent
+ */
+ clear: function(silent) {
+ var self = this;
+
+ if (!self.items.length) return;
+ self.$control.children(':not(input)').remove();
+ self.items = [];
+ self.lastQuery = null;
+ self.setCaret(0);
+ self.setActiveItem(null);
+ self.updatePlaceholder();
+ self.updateOriginalInput({silent: silent});
+ self.refreshState();
+ self.showInput();
+ self.trigger('clear');
+ },
+
+ /**
+ * A helper method for inserting an element
+ * at the current caret position.
+ *
+ * @param {object} $el
+ */
+ insertAtCaret: function($el) {
+ var caret = Math.min(this.caretPos, this.items.length);
+ if (caret === 0) {
+ this.$control.prepend($el);
+ } else {
+ $(this.$control[0].childNodes[caret]).before($el);
+ }
+ this.setCaret(caret + 1);
+ },
+
+ /**
+ * Removes the current selected item(s).
+ *
+ * @param {object} e (optional)
+ * @returns {boolean}
+ */
+ deleteSelection: function(e) {
+ var i, n, direction, selection, values, caret, option_select, $option_select, $tail;
+ var self = this;
+
+ direction = (e && e.keyCode === KEY_BACKSPACE) ? -1 : 1;
+ selection = getSelection(self.$control_input[0]);
+
+ if (self.$activeOption && !self.settings.hideSelected) {
+ option_select = self.getAdjacentOption(self.$activeOption, -1).attr('data-value');
+ }
+
+ // determine items that will be removed
+ values = [];
+
+ if (self.$activeItems.length) {
+ $tail = self.$control.children('.active:' + (direction > 0 ? 'last' : 'first'));
+ caret = self.$control.children(':not(input)').index($tail);
+ if (direction > 0) { caret++; }
+
+ for (i = 0, n = self.$activeItems.length; i < n; i++) {
+ values.push($(self.$activeItems[i]).attr('data-value'));
+ }
+ if (e) {
+ e.preventDefault();
+ e.stopPropagation();
+ }
+ } else if ((self.isFocused || self.settings.mode === 'single') && self.items.length) {
+ if (direction < 0 && selection.start === 0 && selection.length === 0) {
+ values.push(self.items[self.caretPos - 1]);
+ } else if (direction > 0 && selection.start === self.$control_input.val().length) {
+ values.push(self.items[self.caretPos]);
+ }
+ }
+
+ // allow the callback to abort
+ if (!values.length || (typeof self.settings.onDelete === 'function' && self.settings.onDelete.apply(self, [values]) === false)) {
+ return false;
+ }
+
+ // perform removal
+ if (typeof caret !== 'undefined') {
+ self.setCaret(caret);
+ }
+ while (values.length) {
+ self.removeItem(values.pop());
+ }
+
+ self.showInput();
+ self.positionDropdown();
+ self.refreshOptions(true);
+
+ // select previous option
+ if (option_select) {
+ $option_select = self.getOption(option_select);
+ if ($option_select.length) {
+ self.setActiveOption($option_select);
+ }
+ }
+
+ return true;
+ },
+
+ /**
+ * Selects the previous / next item (depending
+ * on the `direction` argument).
+ *
+ * > 0 - right
+ * < 0 - left
+ *
+ * @param {int} direction
+ * @param {object} e (optional)
+ */
+ advanceSelection: function(direction, e) {
+ var tail, selection, idx, valueLength, cursorAtEdge, $tail;
+ var self = this;
+
+ if (direction === 0) return;
+ if (self.rtl) direction *= -1;
+
+ tail = direction > 0 ? 'last' : 'first';
+ selection = getSelection(self.$control_input[0]);
+
+ if (self.isFocused && !self.isInputHidden) {
+ valueLength = self.$control_input.val().length;
+ cursorAtEdge = direction < 0
+ ? selection.start === 0 && selection.length === 0
+ : selection.start === valueLength;
+
+ if (cursorAtEdge && !valueLength) {
+ self.advanceCaret(direction, e);
+ }
+ } else {
+ $tail = self.$control.children('.active:' + tail);
+ if ($tail.length) {
+ idx = self.$control.children(':not(input)').index($tail);
+ self.setActiveItem(null);
+ self.setCaret(direction > 0 ? idx + 1 : idx);
+ }
+ }
+ },
+
+ /**
+ * Moves the caret left / right.
+ *
+ * @param {int} direction
+ * @param {object} e (optional)
+ */
+ advanceCaret: function(direction, e) {
+ var self = this, fn, $adj;
+
+ if (direction === 0) return;
+
+ fn = direction > 0 ? 'next' : 'prev';
+ if (self.isShiftDown) {
+ $adj = self.$control_input[fn]();
+ if ($adj.length) {
+ self.hideInput();
+ self.setActiveItem($adj);
+ e && e.preventDefault();
+ }
+ } else {
+ self.setCaret(self.caretPos + direction);
+ }
+ },
+
+ /**
+ * Moves the caret to the specified index.
+ *
+ * @param {int} i
+ */
+ setCaret: function(i) {
+ var self = this;
+
+ if (self.settings.mode === 'single') {
+ i = self.items.length;
+ } else {
+ i = Math.max(0, Math.min(self.items.length, i));
+ }
+
+ if(!self.isPending) {
+ // the input must be moved by leaving it in place and moving the
+ // siblings, due to the fact that focus cannot be restored once lost
+ // on mobile webkit devices
+ var j, n, fn, $children, $child;
+ $children = self.$control.children(':not(input)');
+ for (j = 0, n = $children.length; j < n; j++) {
+ $child = $($children[j]).detach();
+ if (j < i) {
+ self.$control_input.before($child);
+ } else {
+ self.$control.append($child);
+ }
+ }
+ }
+
+ self.caretPos = i;
+ },
+
+ /**
+ * Disables user input on the control. Used while
+ * items are being asynchronously created.
+ */
+ lock: function() {
+ this.close();
+ this.isLocked = true;
+ this.refreshState();
+ },
+
+ /**
+ * Re-enables user input on the control.
+ */
+ unlock: function() {
+ this.isLocked = false;
+ this.refreshState();
+ },
+
+ /**
+ * Disables user input on the control completely.
+ * While disabled, it cannot receive focus.
+ */
+ disable: function() {
+ var self = this;
+ self.$input.prop('disabled', true);
+ self.$control_input.prop('disabled', true).prop('tabindex', -1);
+ self.isDisabled = true;
+ self.lock();
+ },
+
+ /**
+ * Enables the control so that it can respond
+ * to focus and user input.
+ */
+ enable: function() {
+ var self = this;
+ self.$input.prop('disabled', false);
+ self.$control_input.prop('disabled', false).prop('tabindex', self.tabIndex);
+ self.isDisabled = false;
+ self.unlock();
+ },
+
+ /**
+ * Completely destroys the control and
+ * unbinds all event listeners so that it can
+ * be garbage collected.
+ */
+ destroy: function() {
+ var self = this;
+ var eventNS = self.eventNS;
+ var revertSettings = self.revertSettings;
+
+ self.trigger('destroy');
+ self.off();
+ self.$wrapper.remove();
+ self.$dropdown.remove();
+
+ self.$input
+ .html('')
+ .append(revertSettings.$children)
+ .removeAttr('tabindex')
+ .removeClass('selectized')
+ .attr({tabindex: revertSettings.tabindex})
+ .show();
+
+ self.$control_input.removeData('grow');
+ self.$input.removeData('selectize');
+
+ $(window).off(eventNS);
+ $(document).off(eventNS);
+ $(document.body).off(eventNS);
+
+ delete self.$input[0].selectize;
+ },
+
+ /**
+ * A helper method for rendering "item" and
+ * "option" templates, given the data.
+ *
+ * @param {string} templateName
+ * @param {object} data
+ * @returns {string}
+ */
+ render: function(templateName, data) {
+ var value, id, label;
+ var html = '';
+ var cache = false;
+ var self = this;
+ var regex_tag = /^[\t \r\n]*<([a-z][a-z0-9\-_]*(?:\:[a-z][a-z0-9\-_]*)?)/i;
+
+ if (templateName === 'option' || templateName === 'item') {
+ value = hash_key(data[self.settings.valueField]);
+ cache = !!value;
+ }
+
+ // pull markup from cache if it exists
+ if (cache) {
+ if (!isset(self.renderCache[templateName])) {
+ self.renderCache[templateName] = {};
+ }
+ if (self.renderCache[templateName].hasOwnProperty(value)) {
+ return self.renderCache[templateName][value];
+ }
+ }
+
+ // render markup
+ html = $(self.settings.render[templateName].apply(this, [data, escape_html]));
+
+ // add mandatory attributes
+ if (templateName === 'option' || templateName === 'option_create') {
+ html.attr('data-selectable', '');
+ }
+ else if (templateName === 'optgroup') {
+ id = data[self.settings.optgroupValueField] || '';
+ html.attr('data-group', id);
+ }
+ if (templateName === 'option' || templateName === 'item') {
+ html.attr('data-value', value || '');
+ }
+
+ // update cache
+ if (cache) {
+ self.renderCache[templateName][value] = html[0];
+ }
+
+ return html[0];
+ },
+
+ /**
+ * Clears the render cache for a template. If
+ * no template is given, clears all render
+ * caches.
+ *
+ * @param {string} templateName
+ */
+ clearCache: function(templateName) {
+ var self = this;
+ if (typeof templateName === 'undefined') {
+ self.renderCache = {};
+ } else {
+ delete self.renderCache[templateName];
+ }
+ },
+
+ /**
+ * Determines whether or not to display the
+ * create item prompt, given a user input.
+ *
+ * @param {string} input
+ * @return {boolean}
+ */
+ canCreate: function(input) {
+ var self = this;
+ if (!self.settings.create) return false;
+ var filter = self.settings.createFilter;
+ return input.length
+ && (typeof filter !== 'function' || filter.apply(self, [input]))
+ && (typeof filter !== 'string' || new RegExp(filter).test(input))
+ && (!(filter instanceof RegExp) || filter.test(input));
+ }
+
+ });
+
+
+ Selectize.count = 0;
+ Selectize.defaults = {
+ options: [],
+ optgroups: [],
+
+ plugins: [],
+ delimiter: ',',
+ splitOn: null, // regexp or string for splitting up values from a paste command
+ persist: true,
+ diacritics: true,
+ create: false,
+ createOnBlur: false,
+ createFilter: null,
+ highlight: true,
+ openOnFocus: true,
+ maxOptions: 1000,
+ maxItems: null,
+ hideSelected: null,
+ addPrecedence: false,
+ selectOnTab: false,
+ preload: false,
+ allowEmptyOption: false,
+ closeAfterSelect: false,
+
+ scrollDuration: 60,
+ loadThrottle: 300,
+ loadingClass: 'loading',
+
+ dataAttr: 'data-data',
+ optgroupField: 'optgroup',
+ valueField: 'value',
+ labelField: 'text',
+ optgroupLabelField: 'label',
+ optgroupValueField: 'value',
+ lockOptgroupOrder: false,
+
+ sortField: '$order',
+ searchField: ['text'],
+ searchConjunction: 'and',
+
+ mode: null,
+ wrapperClass: 'selectize-control',
+ inputClass: 'selectize-input',
+ dropdownClass: 'selectize-dropdown',
+ dropdownContentClass: 'selectize-dropdown-content',
+
+ dropdownParent: null,
+
+ copyClassesToDropdown: true,
+
+ /*
+ load : null, // function(query, callback) { ... }
+ score : null, // function(search) { ... }
+ onInitialize : null, // function() { ... }
+ onChange : null, // function(value) { ... }
+ onItemAdd : null, // function(value, $item) { ... }
+ onItemRemove : null, // function(value) { ... }
+ onClear : null, // function() { ... }
+ onOptionAdd : null, // function(value, data) { ... }
+ onOptionRemove : null, // function(value) { ... }
+ onOptionClear : null, // function() { ... }
+ onOptionGroupAdd : null, // function(id, data) { ... }
+ onOptionGroupRemove : null, // function(id) { ... }
+ onOptionGroupClear : null, // function() { ... }
+ onDropdownOpen : null, // function($dropdown) { ... }
+ onDropdownClose : null, // function($dropdown) { ... }
+ onType : null, // function(str) { ... }
+ onDelete : null, // function(values) { ... }
+ */
+
+ render: {
+ /*
+ item: null,
+ optgroup: null,
+ optgroup_header: null,
+ option: null,
+ option_create: null
+ */
+ }
+ };
+
+
+ $.fn.selectize = function(settings_user) {
+ var defaults = $.fn.selectize.defaults;
+ var settings = $.extend({}, defaults, settings_user);
+ var attr_data = settings.dataAttr;
+ var field_label = settings.labelField;
+ var field_value = settings.valueField;
+ var field_optgroup = settings.optgroupField;
+ var field_optgroup_label = settings.optgroupLabelField;
+ var field_optgroup_value = settings.optgroupValueField;
+
+ /**
+ * Initializes selectize from a <input type="text"> element.
+ *
+ * @param {object} $input
+ * @param {object} settings_element
+ */
+ var init_textbox = function($input, settings_element) {
+ var i, n, values, option;
+
+ var data_raw = $input.attr(attr_data);
+
+ if (!data_raw) {
+ var value = $.trim($input.val() || '');
+ if (!settings.allowEmptyOption && !value.length) return;
+ values = value.split(settings.delimiter);
+ for (i = 0, n = values.length; i < n; i++) {
+ option = {};
+ option[field_label] = values[i];
+ option[field_value] = values[i];
+ settings_element.options.push(option);
+ }
+ settings_element.items = values;
+ } else {
+ settings_element.options = JSON.parse(data_raw);
+ for (i = 0, n = settings_element.options.length; i < n; i++) {
+ settings_element.items.push(settings_element.options[i][field_value]);
+ }
+ }
+ };
+
+ /**
+ * Initializes selectize from a <select> element.
+ *
+ * @param {object} $input
+ * @param {object} settings_element
+ */
+ var init_select = function($input, settings_element) {
+ var i, n, tagName, $children, order = 0;
+ var options = settings_element.options;
+ var optionsMap = {};
+
+ var readData = function($el) {
+ var data = attr_data && $el.attr(attr_data);
+ if (typeof data === 'string' && data.length) {
+ return JSON.parse(data);
+ }
+ return null;
+ };
+
+ var addOption = function($option, group) {
+ $option = $($option);
+
+ var value = hash_key($option.val());
+ if (!value && !settings.allowEmptyOption) return;
+
+ // if the option already exists, it's probably been
+ // duplicated in another optgroup. in this case, push
+ // the current group to the "optgroup" property on the
+ // existing option so that it's rendered in both places.
+ if (optionsMap.hasOwnProperty(value)) {
+ if (group) {
+ var arr = optionsMap[value][field_optgroup];
+ if (!arr) {
+ optionsMap[value][field_optgroup] = group;
+ } else if (!$.isArray(arr)) {
+ optionsMap[value][field_optgroup] = [arr, group];
+ } else {
+ arr.push(group);
+ }
+ }
+ return;
+ }
+
+ var option = readData($option) || {};
+ option[field_label] = option[field_label] || $option.text();
+ option[field_value] = option[field_value] || value;
+ option[field_optgroup] = option[field_optgroup] || group;
+
+ optionsMap[value] = option;
+ options.push(option);
+
+ if ($option.is(':selected')) {
+ settings_element.items.push(value);
+ }
+ };
+
+ var addGroup = function($optgroup) {
+ var i, n, id, optgroup, $options;
+
+ $optgroup = $($optgroup);
+ id = $optgroup.attr('label');
+
+ if (id) {
+ optgroup = readData($optgroup) || {};
+ optgroup[field_optgroup_label] = id;
+ optgroup[field_optgroup_value] = id;
+ settings_element.optgroups.push(optgroup);
+ }
+
+ $options = $('option', $optgroup);
+ for (i = 0, n = $options.length; i < n; i++) {
+ addOption($options[i], id);
+ }
+ };
+
+ settings_element.maxItems = $input.attr('multiple') ? null : 1;
+
+ $children = $input.children();
+ for (i = 0, n = $children.length; i < n; i++) {
+ tagName = $children[i].tagName.toLowerCase();
+ if (tagName === 'optgroup') {
+ addGroup($children[i]);
+ } else if (tagName === 'option') {
+ addOption($children[i]);
+ }
+ }
+ };
+
+ return this.each(function() {
+ if (this.selectize) return;
+
+ var instance;
+ var $input = $(this);
+ var tag_name = this.tagName.toLowerCase();
+ var placeholder = $input.attr('placeholder') || $input.attr('data-placeholder');
+ if (!placeholder && !settings.allowEmptyOption) {
+ placeholder = $input.children('option[value=""]').text();
+ }
+
+ var settings_element = {
+ 'placeholder' : placeholder,
+ 'options' : [],
+ 'optgroups' : [],
+ 'items' : []
+ };
+
+ if (tag_name === 'select') {
+ init_select($input, settings_element);
+ } else {
+ init_textbox($input, settings_element);
+ }
+
+ instance = new Selectize($input, $.extend(true, {}, defaults, settings_element, settings_user));
+ });
+ };
+
+ $.fn.selectize.defaults = Selectize.defaults;
+ $.fn.selectize.support = {
+ validity: SUPPORTS_VALIDITY_API
+ };
+
+
+ Selectize.define('drag_drop', function(options) {
+ if (!$.fn.sortable) throw new Error('The "drag_drop" plugin requires jQuery UI "sortable".');
+ if (this.settings.mode !== 'multi') return;
+ var self = this;
+
+ self.lock = (function() {
+ var original = self.lock;
+ return function() {
+ var sortable = self.$control.data('sortable');
+ if (sortable) sortable.disable();
+ return original.apply(self, arguments);
+ };
+ })();
+
+ self.unlock = (function() {
+ var original = self.unlock;
+ return function() {
+ var sortable = self.$control.data('sortable');
+ if (sortable) sortable.enable();
+ return original.apply(self, arguments);
+ };
+ })();
+
+ self.setup = (function() {
+ var original = self.setup;
+ return function() {
+ original.apply(this, arguments);
+
+ var $control = self.$control.sortable({
+ items: '[data-value]',
+ forcePlaceholderSize: true,
+ disabled: self.isLocked,
+ start: function(e, ui) {
+ ui.placeholder.css('width', ui.helper.css('width'));
+ $control.css({overflow: 'visible'});
+ },
+ stop: function() {
+ $control.css({overflow: 'hidden'});
+ var active = self.$activeItems ? self.$activeItems.slice() : null;
+ var values = [];
+ $control.children('[data-value]').each(function() {
+ values.push($(this).attr('data-value'));
+ });
+ self.setValue(values);
+ self.setActiveItem(active);
+ }
+ });
+ };
+ })();
+
+ });
+
+ Selectize.define('dropdown_header', function(options) {
+ var self = this;
+
+ options = $.extend({
+ title : 'Untitled',
+ headerClass : 'selectize-dropdown-header',
+ titleRowClass : 'selectize-dropdown-header-title',
+ labelClass : 'selectize-dropdown-header-label',
+ closeClass : 'selectize-dropdown-header-close',
+
+ html: function(data) {
+ return (
+ '<div class="' + data.headerClass + '">' +
+ '<div class="' + data.titleRowClass + '">' +
+ '<span class="' + data.labelClass + '">' + data.title + '</span>' +
+ '<a href="javascript:void(0)" class="' + data.closeClass + '">×</a>' +
+ '</div>' +
+ '</div>'
+ );
+ }
+ }, options);
+
+ self.setup = (function() {
+ var original = self.setup;
+ return function() {
+ original.apply(self, arguments);
+ self.$dropdown_header = $(options.html(options));
+ self.$dropdown.prepend(self.$dropdown_header);
+ };
+ })();
+
+ });
+
+ Selectize.define('optgroup_columns', function(options) {
+ var self = this;
+
+ options = $.extend({
+ equalizeWidth : true,
+ equalizeHeight : true
+ }, options);
+
+ this.getAdjacentOption = function($option, direction) {
+ var $options = $option.closest('[data-group]').find('[data-selectable]');
+ var index = $options.index($option) + direction;
+
+ return index >= 0 && index < $options.length ? $options.eq(index) : $();
+ };
+
+ this.onKeyDown = (function() {
+ var original = self.onKeyDown;
+ return function(e) {
+ var index, $option, $options, $optgroup;
+
+ if (this.isOpen && (e.keyCode === KEY_LEFT || e.keyCode === KEY_RIGHT)) {
+ self.ignoreHover = true;
+ $optgroup = this.$activeOption.closest('[data-group]');
+ index = $optgroup.find('[data-selectable]').index(this.$activeOption);
+
+ if(e.keyCode === KEY_LEFT) {
+ $optgroup = $optgroup.prev('[data-group]');
+ } else {
+ $optgroup = $optgroup.next('[data-group]');
+ }
+
+ $options = $optgroup.find('[data-selectable]');
+ $option = $options.eq(Math.min($options.length - 1, index));
+ if ($option.length) {
+ this.setActiveOption($option);
+ }
+ return;
+ }
+
+ return original.apply(this, arguments);
+ };
+ })();
+
+ var getScrollbarWidth = function() {
+ var div;
+ var width = getScrollbarWidth.width;
+ var doc = document;
+
+ if (typeof width === 'undefined') {
+ div = doc.createElement('div');
+ div.innerHTML = '<div style="width:50px;height:50px;position:absolute;left:-50px;top:-50px;overflow:auto;"><div style="width:1px;height:100px;"></div></div>';
+ div = div.firstChild;
+ doc.body.appendChild(div);
+ width = getScrollbarWidth.width = div.offsetWidth - div.clientWidth;
+ doc.body.removeChild(div);
+ }
+ return width;
+ };
+
+ var equalizeSizes = function() {
+ var i, n, height_max, width, width_last, width_parent, $optgroups;
+
+ $optgroups = $('[data-group]', self.$dropdown_content);
+ n = $optgroups.length;
+ if (!n || !self.$dropdown_content.width()) return;
+
+ if (options.equalizeHeight) {
+ height_max = 0;
+ for (i = 0; i < n; i++) {
+ height_max = Math.max(height_max, $optgroups.eq(i).height());
+ }
+ $optgroups.css({height: height_max});
+ }
+
+ if (options.equalizeWidth) {
+ width_parent = self.$dropdown_content.innerWidth() - getScrollbarWidth();
+ width = Math.round(width_parent / n);
+ $optgroups.css({width: width});
+ if (n > 1) {
+ width_last = width_parent - width * (n - 1);
+ $optgroups.eq(n - 1).css({width: width_last});
+ }
+ }
+ };
+
+ if (options.equalizeHeight || options.equalizeWidth) {
+ hook.after(this, 'positionDropdown', equalizeSizes);
+ hook.after(this, 'refreshOptions', equalizeSizes);
+ }
+
+
+ });
+
+ Selectize.define('remove_button', function(options) {
+ options = $.extend({
+ label : '×',
+ title : 'Remove',
+ className : 'remove',
+ append : true
+ }, options);
+
+ var singleClose = function(thisRef, options) {
+
+ options.className = 'remove-single';
+
+ var self = thisRef;
+ var html = '<a href="javascript:void(0)" class="' + options.className + '" tabindex="-1" title="' + escape_html(options.title) + '">' + options.label + '</a>';
+
+ /**
+ * Appends an element as a child (with raw HTML).
+ *
+ * @param {string} html_container
+ * @param {string} html_element
+ * @return {string}
+ */
+ var append = function(html_container, html_element) {
+ return html_container + html_element;
+ };
+
+ thisRef.setup = (function() {
+ var original = self.setup;
+ return function() {
+ // override the item rendering method to add the button to each
+ if (options.append) {
+ var id = $(self.$input.context).attr('id');
+ var selectizer = $('#'+id);
+
+ var render_item = self.settings.render.item;
+ self.settings.render.item = function(data) {
+ return append(render_item.apply(thisRef, arguments), html);
+ };
+ }
+
+ original.apply(thisRef, arguments);
+
+ // add event listener
+ thisRef.$control.on('click', '.' + options.className, function(e) {
+ e.preventDefault();
+ if (self.isLocked) return;
+
+ self.clear();
+ });
+
+ };
+ })();
+ };
+
+ var multiClose = function(thisRef, options) {
+
+ var self = thisRef;
+ var html = '<a href="javascript:void(0)" class="' + options.className + '" tabindex="-1" title="' + escape_html(options.title) + '">' + options.label + '</a>';
+
+ /**
+ * Appends an element as a child (with raw HTML).
+ *
+ * @param {string} html_container
+ * @param {string} html_element
+ * @return {string}
+ */
+ var append = function(html_container, html_element) {
+ var pos = html_container.search(/(<\/[^>]+>\s*)$/);
+ return html_container.substring(0, pos) + html_element + html_container.substring(pos);
+ };
+
+ thisRef.setup = (function() {
+ var original = self.setup;
+ return function() {
+ // override the item rendering method to add the button to each
+ if (options.append) {
+ var render_item = self.settings.render.item;
+ self.settings.render.item = function(data) {
+ return append(render_item.apply(thisRef, arguments), html);
+ };
+ }
+
+ original.apply(thisRef, arguments);
+
+ // add event listener
+ thisRef.$control.on('click', '.' + options.className, function(e) {
+ e.preventDefault();
+ if (self.isLocked) return;
+
+ var $item = $(e.currentTarget).parent();
+ self.setActiveItem($item);
+ if (self.deleteSelection()) {
+ self.setCaret(self.items.length);
+ }
+ });
+
+ };
+ })();
+ };
+
+ if (this.settings.mode === 'single') {
+ singleClose(this, options);
+ return;
+ } else {
+ multiClose(this, options);
+ }
+ });
+
+
+ Selectize.define('restore_on_backspace', function(options) {
+ var self = this;
+
+ options.text = options.text || function(option) {
+ return option[this.settings.labelField];
+ };
+
+ this.onKeyDown = (function() {
+ var original = self.onKeyDown;
+ return function(e) {
+ var index, option;
+ if (e.keyCode === KEY_BACKSPACE && this.$control_input.val() === '' && !this.$activeItems.length) {
+ index = this.caretPos - 1;
+ if (index >= 0 && index < this.items.length) {
+ option = this.options[this.items[index]];
+ if (this.deleteSelection(e)) {
+ this.setTextboxValue(options.text.apply(this, [option]));
+ this.refreshOptions(true);
+ }
+ e.preventDefault();
+ return;
+ }
+ }
+ return original.apply(this, arguments);
+ };
+ })();
+ });
+
+
+ return Selectize;
+}));
\ No newline at end of file
projects / arvados.git / commitdiff