/*! * typeahead.js 0.11.1 * https://github.com/twitter/typeahead.js * Copyright 2013-2015 Twitter, Inc. and other contributors; Licensed MIT */ (function(root, factory) { if (typeof define === "function" && define.amd) { define("bloodhound", [ "jquery" ], function(a0) { return root["Bloodhound"] = factory(a0); }); } else if (typeof exports === "object") { module.exports = factory(require("jquery")); } else { root["Bloodhound"] = factory(jQuery); } })(this, function($) { var _ = function() { "use strict"; return { isMsie: function() { return /(msie|trident)/i.test(navigator.userAgent) ? navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2] : false; }, isBlankString: function(str) { return !str || /^\s*$/.test(str); }, escapeRegExChars: function(str) { return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); }, isString: function(obj) { return typeof obj === "string"; }, isNumber: function(obj) { return typeof obj === "number"; }, isArray: $.isArray, isFunction: $.isFunction, isObject: $.isPlainObject, isUndefined: function(obj) { return typeof obj === "undefined"; }, isElement: function(obj) { return !!(obj && obj.nodeType === 1); }, isJQuery: function(obj) { return obj instanceof $; }, toStr: function toStr(s) { return _.isUndefined(s) || s === null ? "" : s + ""; }, bind: $.proxy, each: function(collection, cb) { $.each(collection, reverseArgs); function reverseArgs(index, value) { return cb(value, index); } }, map: $.map, filter: $.grep, every: function(obj, test) { var result = true; if (!obj) { return result; } $.each(obj, function(key, val) { if (!(result = test.call(null, val, key, obj))) { return false; } }); return !!result; }, some: function(obj, test) { var result = false; if (!obj) { return result; } $.each(obj, function(key, val) { if (result = test.call(null, val, key, obj)) { return false; } }); return !!result; }, mixin: $.extend, identity: function(x) { return x; }, clone: function(obj) { return $.extend(true, {}, obj); }, getIdGenerator: function() { var counter = 0; return function() { return counter++; }; }, templatify: function templatify(obj) { return $.isFunction(obj) ? obj : template; function template() { return String(obj); } }, defer: function(fn) { setTimeout(fn, 0); }, debounce: function(func, wait, immediate) { var timeout, result; return function() { var context = this, args = arguments, later, callNow; later = function() { timeout = null; if (!immediate) { result = func.apply(context, args); } }; callNow = immediate && !timeout; clearTimeout(timeout); timeout = setTimeout(later, wait); if (callNow) { result = func.apply(context, args); } return result; }; }, throttle: function(func, wait) { var context, args, timeout, result, previous, later; previous = 0; later = function() { previous = new Date(); timeout = null; result = func.apply(context, args); }; return function() { var now = new Date(), remaining = wait - (now - previous); context = this; args = arguments; if (remaining <= 0) { clearTimeout(timeout); timeout = null; previous = now; result = func.apply(context, args); } else if (!timeout) { timeout = setTimeout(later, remaining); } return result; }; }, stringify: function(val) { return _.isString(val) ? val : JSON.stringify(val); }, noop: function() {} }; }(); var VERSION = "0.11.1"; var tokenizers = function() { "use strict"; return { nonword: nonword, whitespace: whitespace, obj: { nonword: getObjTokenizer(nonword), whitespace: getObjTokenizer(whitespace) } }; function whitespace(str) { str = _.toStr(str); return str ? str.split(/\s+/) : []; } function nonword(str) { str = _.toStr(str); return str ? str.split(/\W+/) : []; } function getObjTokenizer(tokenizer) { return function setKey(keys) { keys = _.isArray(keys) ? keys : [].slice.call(arguments, 0); return function tokenize(o) { var tokens = []; _.each(keys, function(k) { tokens = tokens.concat(tokenizer(_.toStr(o[k]))); }); return tokens; }; }; } }(); var LruCache = function() { "use strict"; function LruCache(maxSize) { this.maxSize = _.isNumber(maxSize) ? maxSize : 100; this.reset(); if (this.maxSize <= 0) { this.set = this.get = $.noop; } } _.mixin(LruCache.prototype, { set: function set(key, val) { var tailItem = this.list.tail, node; if (this.size >= this.maxSize) { this.list.remove(tailItem); delete this.hash[tailItem.key]; this.size--; } if (node = this.hash[key]) { node.val = val; this.list.moveToFront(node); } else { node = new Node(key, val); this.list.add(node); this.hash[key] = node; this.size++; } }, get: function get(key) { var node = this.hash[key]; if (node) { this.list.moveToFront(node); return node.val; } }, reset: function reset() { this.size = 0; this.hash = {}; this.list = new List(); } }); function List() { this.head = this.tail = null; } _.mixin(List.prototype, { add: function add(node) { if (this.head) { node.next = this.head; this.head.prev = node; } this.head = node; this.tail = this.tail || node; }, remove: function remove(node) { node.prev ? node.prev.next = node.next : this.head = node.next; node.next ? node.next.prev = node.prev : this.tail = node.prev; }, moveToFront: function(node) { this.remove(node); this.add(node); } }); function Node(key, val) { this.key = key; this.val = val; this.prev = this.next = null; } return LruCache; }(); var PersistentStorage = function() { "use strict"; var LOCAL_STORAGE; try { LOCAL_STORAGE = window.localStorage; LOCAL_STORAGE.setItem("~~~", "!"); LOCAL_STORAGE.removeItem("~~~"); } catch (err) { LOCAL_STORAGE = null; } function PersistentStorage(namespace, override) { this.prefix = [ "__", namespace, "__" ].join(""); this.ttlKey = "__ttl__"; this.keyMatcher = new RegExp("^" + _.escapeRegExChars(this.prefix)); this.ls = override || LOCAL_STORAGE; !this.ls && this._noop(); } _.mixin(PersistentStorage.prototype, { _prefix: function(key) { return this.prefix + key; }, _ttlKey: function(key) { return this._prefix(key) + this.ttlKey; }, _noop: function() { this.get = this.set = this.remove = this.clear = this.isExpired = _.noop; }, _safeSet: function(key, val) { try { this.ls.setItem(key, val); } catch (err) { if (err.name === "QuotaExceededError") { this.clear(); this._noop(); } } }, get: function(key) { if (this.isExpired(key)) { this.remove(key); } return decode(this.ls.getItem(this._prefix(key))); }, set: function(key, val, ttl) { if (_.isNumber(ttl)) { this._safeSet(this._ttlKey(key), encode(now() + ttl)); } else { this.ls.removeItem(this._ttlKey(key)); } return this._safeSet(this._prefix(key), encode(val)); }, remove: function(key) { this.ls.removeItem(this._ttlKey(key)); this.ls.removeItem(this._prefix(key)); return this; }, clear: function() { var i, keys = gatherMatchingKeys(this.keyMatcher); for (i = keys.length; i--; ) { this.remove(keys[i]); } return this; }, isExpired: function(key) { var ttl = decode(this.ls.getItem(this._ttlKey(key))); return _.isNumber(ttl) && now() > ttl ? true : false; } }); return PersistentStorage; function now() { return new Date().getTime(); } function encode(val) { return JSON.stringify(_.isUndefined(val) ? null : val); } function decode(val) { return $.parseJSON(val); } function gatherMatchingKeys(keyMatcher) { var i, key, keys = [], len = LOCAL_STORAGE.length; for (i = 0; i < len; i++) { if ((key = LOCAL_STORAGE.key(i)).match(keyMatcher)) { keys.push(key.replace(keyMatcher, "")); } } return keys; } }(); var Transport = function() { "use strict"; var pendingRequestsCount = 0, pendingRequests = {}, maxPendingRequests = 6, sharedCache = new LruCache(10); function Transport(o) { o = o || {}; this.cancelled = false; this.lastReq = null; this._send = o.transport; this._get = o.limiter ? o.limiter(this._get) : this._get; this._cache = o.cache === false ? new LruCache(0) : sharedCache; } Transport.setMaxPendingRequests = function setMaxPendingRequests(num) { maxPendingRequests = num; }; Transport.resetCache = function resetCache() { sharedCache.reset(); }; _.mixin(Transport.prototype, { _fingerprint: function fingerprint(o) { o = o || {}; return o.url + o.type + $.param(o.data || {}); }, _get: function(o, cb) { var that = this, fingerprint, jqXhr; fingerprint = this._fingerprint(o); if (this.cancelled || fingerprint !== this.lastReq) { return; } if (jqXhr = pendingRequests[fingerprint]) { jqXhr.done(done).fail(fail); } else if (pendingRequestsCount < maxPendingRequests) { pendingRequestsCount++; pendingRequests[fingerprint] = this._send(o).done(done).fail(fail).always(always); } else { this.onDeckRequestArgs = [].slice.call(arguments, 0); } function done(resp) { cb(null, resp); that._cache.set(fingerprint, resp); } function fail() { cb(true); } function always() { pendingRequestsCount--; delete pendingRequests[fingerprint]; if (that.onDeckRequestArgs) { that._get.apply(that, that.onDeckRequestArgs); that.onDeckRequestArgs = null; } } }, get: function(o, cb) { var resp, fingerprint; cb = cb || $.noop; o = _.isString(o) ? { url: o } : o || {}; fingerprint = this._fingerprint(o); this.cancelled = false; this.lastReq = fingerprint; if (resp = this._cache.get(fingerprint)) { cb(null, resp); } else { this._get(o, cb); } }, cancel: function() { this.cancelled = true; } }); return Transport; }(); var SearchIndex = window.SearchIndex = function() { "use strict"; var CHILDREN = "c", IDS = "i"; function SearchIndex(o) { o = o || {}; if (!o.datumTokenizer || !o.queryTokenizer) { $.error("datumTokenizer and queryTokenizer are both required"); } this.identify = o.identify || _.stringify; this.datumTokenizer = o.datumTokenizer; this.queryTokenizer = o.queryTokenizer; this.reset(); } _.mixin(SearchIndex.prototype, { bootstrap: function bootstrap(o) { this.datums = o.datums; this.trie = o.trie; }, add: function(data) { var that = this; data = _.isArray(data) ? data : [ data ]; _.each(data, function(datum) { var id, tokens; that.datums[id = that.identify(datum)] = datum; tokens = normalizeTokens(that.datumTokenizer(datum)); _.each(tokens, function(token) { var node, chars, ch; node = that.trie; chars = token.split(""); while (ch = chars.shift()) { node = node[CHILDREN][ch] || (node[CHILDREN][ch] = newNode()); node[IDS].push(id); } }); }); }, get: function get(ids) { var that = this; return _.map(ids, function(id) { return that.datums[id]; }); }, search: function search(query) { var that = this, tokens, matches; tokens = normalizeTokens(this.queryTokenizer(query)); _.each(tokens, function(token) { var node, chars, ch, ids; if (matches && matches.length === 0) { return false; } node = that.trie; chars = token.split(""); while (node && (ch = chars.shift())) { node = node[CHILDREN][ch]; } if (node && chars.length === 0) { ids = node[IDS].slice(0); matches = matches ? getIntersection(matches, ids) : ids; } else { matches = []; return false; } }); return matches ? _.map(unique(matches), function(id) { return that.datums[id]; }) : []; }, all: function all() { var values = []; for (var key in this.datums) { values.push(this.datums[key]); } return values; }, reset: function reset() { this.datums = {}; this.trie = newNode(); }, serialize: function serialize() { return { datums: this.datums, trie: this.trie }; } }); return SearchIndex; function normalizeTokens(tokens) { tokens = _.filter(tokens, function(token) { return !!token; }); tokens = _.map(tokens, function(token) { return token.toLowerCase(); }); return tokens; } function newNode() { var node = {}; node[IDS] = []; node[CHILDREN] = {}; return node; } function unique(array) { var seen = {}, uniques = []; for (var i = 0, len = array.length; i < len; i++) { if (!seen[array[i]]) { seen[array[i]] = true; uniques.push(array[i]); } } return uniques; } function getIntersection(arrayA, arrayB) { var ai = 0, bi = 0, intersection = []; arrayA = arrayA.sort(); arrayB = arrayB.sort(); var lenArrayA = arrayA.length, lenArrayB = arrayB.length; while (ai < lenArrayA && bi < lenArrayB) { if (arrayA[ai] < arrayB[bi]) { ai++; } else if (arrayA[ai] > arrayB[bi]) { bi++; } else { intersection.push(arrayA[ai]); ai++; bi++; } } return intersection; } }(); var Prefetch = function() { "use strict"; var keys; keys = { data: "data", protocol: "protocol", thumbprint: "thumbprint" }; function Prefetch(o) { this.url = o.url; this.ttl = o.ttl; this.cache = o.cache; this.prepare = o.prepare; this.transform = o.transform; this.transport = o.transport; this.thumbprint = o.thumbprint; this.storage = new PersistentStorage(o.cacheKey); } _.mixin(Prefetch.prototype, { _settings: function settings() { return { url: this.url, type: "GET", dataType: "json" }; }, store: function store(data) { if (!this.cache) { return; } this.storage.set(keys.data, data, this.ttl); this.storage.set(keys.protocol, location.protocol, this.ttl); this.storage.set(keys.thumbprint, this.thumbprint, this.ttl); }, fromCache: function fromCache() { var stored = {}, isExpired; if (!this.cache) { return null; } stored.data = this.storage.get(keys.data); stored.protocol = this.storage.get(keys.protocol); stored.thumbprint = this.storage.get(keys.thumbprint); isExpired = stored.thumbprint !== this.thumbprint || stored.protocol !== location.protocol; return stored.data && !isExpired ? stored.data : null; }, fromNetwork: function(cb) { var that = this, settings; if (!cb) { return; } settings = this.prepare(this._settings()); this.transport(settings).fail(onError).done(onResponse); function onError() { cb(true); } function onResponse(resp) { cb(null, that.transform(resp)); } }, clear: function clear() { this.storage.clear(); return this; } }); return Prefetch; }(); var Remote = function() { "use strict"; function Remote(o) { this.url = o.url; this.prepare = o.prepare; this.transform = o.transform; this.transport = new Transport({ cache: o.cache, limiter: o.limiter, transport: o.transport }); } _.mixin(Remote.prototype, { _settings: function settings() { return { url: this.url, type: "GET", dataType: "json" }; }, get: function get(query, cb) { var that = this, settings; if (!cb) { return; } query = query || ""; settings = this.prepare(query, this._settings()); return this.transport.get(settings, onResponse); function onResponse(err, resp) { err ? cb([]) : cb(that.transform(resp)); } }, cancelLastRequest: function cancelLastRequest() { this.transport.cancel(); } }); return Remote; }(); var oParser = function() { "use strict"; return function parse(o) { var defaults, sorter; defaults = { initialize: true, identify: _.stringify, datumTokenizer: null, queryTokenizer: null, sufficient: 5, sorter: null, local: [], prefetch: null, remote: null }; o = _.mixin(defaults, o || {}); !o.datumTokenizer && $.error("datumTokenizer is required"); !o.queryTokenizer && $.error("queryTokenizer is required"); sorter = o.sorter; o.sorter = sorter ? function(x) { return x.sort(sorter); } : _.identity; o.local = _.isFunction(o.local) ? o.local() : o.local; o.prefetch = parsePrefetch(o.prefetch); o.remote = parseRemote(o.remote); return o; }; function parsePrefetch(o) { var defaults; if (!o) { return null; } defaults = { url: null, ttl: 24 * 60 * 60 * 1e3, cache: true, cacheKey: null, thumbprint: "", prepare: _.identity, transform: _.identity, transport: null }; o = _.isString(o) ? { url: o } : o; o = _.mixin(defaults, o); !o.url && $.error("prefetch requires url to be set"); o.transform = o.filter || o.transform; o.cacheKey = o.cacheKey || o.url; o.thumbprint = VERSION + o.thumbprint; o.transport = o.transport ? callbackToDeferred(o.transport) : $.ajax; return o; } function parseRemote(o) { var defaults; if (!o) { return; } defaults = { url: null, cache: true, prepare: null, replace: null, wildcard: null, limiter: null, rateLimitBy: "debounce", rateLimitWait: 300, transform: _.identity, transport: null }; o = _.isString(o) ? { url: o } : o; o = _.mixin(defaults, o); !o.url && $.error("remote requires url to be set"); o.transform = o.filter || o.transform; o.prepare = toRemotePrepare(o); o.limiter = toLimiter(o); o.transport = o.transport ? callbackToDeferred(o.transport) : $.ajax; delete o.replace; delete o.wildcard; delete o.rateLimitBy; delete o.rateLimitWait; return o; } function toRemotePrepare(o) { var prepare, replace, wildcard; prepare = o.prepare; replace = o.replace; wildcard = o.wildcard; if (prepare) { return prepare; } if (replace) { prepare = prepareByReplace; } else if (o.wildcard) { prepare = prepareByWildcard; } else { prepare = idenityPrepare; } return prepare; function prepareByReplace(query, settings) { settings.url = replace(settings.url, query); return settings; } function prepareByWildcard(query, settings) { settings.url = settings.url.replace(wildcard, encodeURIComponent(query)); return settings; } function idenityPrepare(query, settings) { return settings; } } function toLimiter(o) { var limiter, method, wait; limiter = o.limiter; method = o.rateLimitBy; wait = o.rateLimitWait; if (!limiter) { limiter = /^throttle$/i.test(method) ? throttle(wait) : debounce(wait); } return limiter; function debounce(wait) { return function debounce(fn) { return _.debounce(fn, wait); }; } function throttle(wait) { return function throttle(fn) { return _.throttle(fn, wait); }; } } function callbackToDeferred(fn) { return function wrapper(o) { var deferred = $.Deferred(); fn(o, onSuccess, onError); return deferred; function onSuccess(resp) { _.defer(function() { deferred.resolve(resp); }); } function onError(err) { _.defer(function() { deferred.reject(err); }); } }; } }(); var Bloodhound = function() { "use strict"; var old; old = window && window.Bloodhound; function Bloodhound(o) { o = oParser(o); this.sorter = o.sorter; this.identify = o.identify; this.sufficient = o.sufficient; this.local = o.local; this.remote = o.remote ? new Remote(o.remote) : null; this.prefetch = o.prefetch ? new Prefetch(o.prefetch) : null; this.index = new SearchIndex({ identify: this.identify, datumTokenizer: o.datumTokenizer, queryTokenizer: o.queryTokenizer }); o.initialize !== false && this.initialize(); } Bloodhound.noConflict = function noConflict() { window && (window.Bloodhound = old); return Bloodhound; }; Bloodhound.tokenizers = tokenizers; _.mixin(Bloodhound.prototype, { __ttAdapter: function ttAdapter() { var that = this; return this.remote ? withAsync : withoutAsync; function withAsync(query, sync, async) { return that.search(query, sync, async); } function withoutAsync(query, sync) { return that.search(query, sync); } }, _loadPrefetch: function loadPrefetch() { var that = this, deferred, serialized; deferred = $.Deferred(); if (!this.prefetch) { deferred.resolve(); } else if (serialized = this.prefetch.fromCache()) { this.index.bootstrap(serialized); deferred.resolve(); } else { this.prefetch.fromNetwork(done); } return deferred.promise(); function done(err, data) { if (err) { return deferred.reject(); } that.add(data); that.prefetch.store(that.index.serialize()); deferred.resolve(); } }, _initialize: function initialize() { var that = this, deferred; this.clear(); (this.initPromise = this._loadPrefetch()).done(addLocalToIndex); return this.initPromise; function addLocalToIndex() { that.add(that.local); } }, initialize: function initialize(force) { return !this.initPromise || force ? this._initialize() : this.initPromise; }, add: function add(data) { this.index.add(data); return this; }, get: function get(ids) { ids = _.isArray(ids) ? ids : [].slice.call(arguments); return this.index.get(ids); }, search: function search(query, sync, async) { var that = this, local; local = this.sorter(this.index.search(query)); sync(this.remote ? local.slice() : local); if (this.remote && local.length < this.sufficient) { this.remote.get(query, processRemote); } else if (this.remote) { this.remote.cancelLastRequest(); } return this; function processRemote(remote) { var nonDuplicates = []; _.each(remote, function(r) { !_.some(local, function(l) { return that.identify(r) === that.identify(l); }) && nonDuplicates.push(r); }); async && async(nonDuplicates); } }, all: function all() { return this.index.all(); }, clear: function clear() { this.index.reset(); return this; }, clearPrefetchCache: function clearPrefetchCache() { this.prefetch && this.prefetch.clear(); return this; }, clearRemoteCache: function clearRemoteCache() { Transport.resetCache(); return this; }, ttAdapter: function ttAdapter() { return this.__ttAdapter(); } }); return Bloodhound; }(); return Bloodhound; }); (function(root, factory) { if (typeof define === "function" && define.amd) { define("typeahead.js", [ "jquery" ], function(a0) { return factory(a0); }); } else if (typeof exports === "object") { module.exports = factory(require("jquery")); } else { factory(jQuery); } })(this, function($) { var _ = function() { "use strict"; return { isMsie: function() { return /(msie|trident)/i.test(navigator.userAgent) ? navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2] : false; }, isBlankString: function(str) { return !str || /^\s*$/.test(str); }, escapeRegExChars: function(str) { return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); }, isString: function(obj) { return typeof obj === "string"; }, isNumber: function(obj) { return typeof obj === "number"; }, isArray: $.isArray, isFunction: $.isFunction, isObject: $.isPlainObject, isUndefined: function(obj) { return typeof obj === "undefined"; }, isElement: function(obj) { return !!(obj && obj.nodeType === 1); }, isJQuery: function(obj) { return obj instanceof $; }, toStr: function toStr(s) { return _.isUndefined(s) || s === null ? "" : s + ""; }, bind: $.proxy, each: function(collection, cb) { $.each(collection, reverseArgs); function reverseArgs(index, value) { return cb(value, index); } }, map: $.map, filter: $.grep, every: function(obj, test) { var result = true; if (!obj) { return result; } $.each(obj, function(key, val) { if (!(result = test.call(null, val, key, obj))) { return false; } }); return !!result; }, some: function(obj, test) { var result = false; if (!obj) { return result; } $.each(obj, function(key, val) { if (result = test.call(null, val, key, obj)) { return false; } }); return !!result; }, mixin: $.extend, identity: function(x) { return x; }, clone: function(obj) { return $.extend(true, {}, obj); }, getIdGenerator: function() { var counter = 0; return function() { return counter++; }; }, templatify: function templatify(obj) { return $.isFunction(obj) ? obj : template; function template() { return String(obj); } }, defer: function(fn) { setTimeout(fn, 0); }, debounce: function(func, wait, immediate) { var timeout, result; return function() { var context = this, args = arguments, later, callNow; later = function() { timeout = null; if (!immediate) { result = func.apply(context, args); } }; callNow = immediate && !timeout; clearTimeout(timeout); timeout = setTimeout(later, wait); if (callNow) { result = func.apply(context, args); } return result; }; }, throttle: function(func, wait) { var context, args, timeout, result, previous, later; previous = 0; later = function() { previous = new Date(); timeout = null; result = func.apply(context, args); }; return function() { var now = new Date(), remaining = wait - (now - previous); context = this; args = arguments; if (remaining <= 0) { clearTimeout(timeout); timeout = null; previous = now; result = func.apply(context, args); } else if (!timeout) { timeout = setTimeout(later, remaining); } return result; }; }, stringify: function(val) { return _.isString(val) ? val : JSON.stringify(val); }, noop: function() {} }; }(); var WWW = function() { "use strict"; var defaultClassNames = { wrapper: "twitter-typeahead", input: "tt-input", hint: "tt-hint", menu: "tt-menu", dataset: "tt-dataset", suggestion: "tt-suggestion", selectable: "tt-selectable", empty: "tt-empty", open: "tt-open", cursor: "tt-cursor", highlight: "tt-highlight" }; return build; function build(o) { var www, classes; classes = _.mixin({}, defaultClassNames, o); www = { css: buildCss(), classes: classes, html: buildHtml(classes), selectors: buildSelectors(classes) }; return { css: , html: , classes: , selectors: , mixin: function(o) { _.mixin(o, www); } }; } function buildHtml(c) { return { wrapper: '<span></span>', menu: '<div></div>' }; } function buildSelectors(classes) { var selectors = {}; _.each(classes, function(v, k) { selectors[k] = "." + v; }); return selectors; } function buildCss() { var css = { wrapper: { position: "relative", display: "inline-block" }, hint: { position: "absolute", top: "0", left: "0", borderColor: "transparent", boxShadow: "none", opacity: "1" }, input: { position: "relative", verticalAlign: "top", backgroundColor: "transparent" }, inputWithNoHint: { position: "relative", verticalAlign: "top" }, menu: { position: "absolute", top: "100%", left: "0", zIndex: "100", display: "none" }, ltr: { left: "0", right: "auto" }, rtl: { left: "auto", right: " 0" } }; if (_.isMsie()) { _.mixin(css.input, { backgroundImage: "url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)" }); } return css; } }(); var EventBus = function() { "use strict"; var namespace, deprecationMap; namespace = "typeahead:"; deprecationMap = { render: "rendered", cursorchange: "cursorchanged", select: "selected", autocomplete: "autocompleted" }; function EventBus(o) { if (!o || !o.el) { $.error("EventBus initialized without el"); } this.$el = $(o.el); } _.mixin(EventBus.prototype, { _trigger: function(type, args) { var $e; $e = $.Event(namespace + type); (args = args || []).unshift($e); this.$el.trigger.apply(this.$el, args); return $e; }, before: function(type) { var args, $e; args = [].slice.call(arguments, 1); $e = this._trigger("before" + type, args); return $e.isDefaultPrevented(); }, trigger: function(type) { var deprecatedType; this._trigger(type, [].slice.call(arguments, 1)); if (deprecatedType = deprecationMap[type]) { this._trigger(deprecatedType, [].slice.call(arguments, 1)); } } }); return EventBus; }(); var EventEmitter = function() { "use strict"; var splitter = /\s+/, nextTick = getNextTick(); return { onSync: onSync, onAsync: onAsync, off: off, trigger: trigger }; function on(method, types, cb, context) { var type; if (!cb) { return this; } types = types.split(splitter); cb = context ? bindContext(cb, context) : cb; this._callbacks = this._callbacks || {}; while (type = types.shift()) { this._callbacks[type] = this._callbacks[type] || { sync: [], async: [] }; this._callbacks[type][method].push(cb); } return this; } function onAsync(types, cb, context) { return on.call(this, "async", types, cb, context); } function onSync(types, cb, context) { return on.call(this, "sync", types, cb, context); } function off(types) { var type; if (!this._callbacks) { return this; } types = types.split(splitter); while (type = types.shift()) { delete this._callbacks[type]; } return this; } function trigger(types) { var type, callbacks, args, syncFlush, asyncFlush; if (!this._callbacks) { return this; } types = types.split(splitter); args = [].slice.call(arguments, 1); while ((type = types.shift()) && (callbacks = this._callbacks[type])) { syncFlush = getFlush(callbacks.sync, this, [ type ].concat(args)); asyncFlush = getFlush(callbacks.async, this, [ type ].concat(args)); syncFlush() && nextTick(asyncFlush); } return this; } function getFlush(callbacks, context, args) { return flush; function flush() { var cancelled; for (var i = 0, len = callbacks.length; !cancelled && i < len; i += 1) { cancelled = callbacks[i].apply(context, args) === false; } return !cancelled; } } function getNextTick() { var nextTickFn; if (window.setImmediate) { nextTickFn = function nextTickSetImmediate(fn) { setImmediate(function() { fn(); }); }; } else { nextTickFn = function nextTickSetTimeout(fn) { setTimeout(function() { fn(); }, 0); }; } return nextTickFn; } function bindContext(fn, context) { return fn.bind ? fn.bind(context) : function() { fn.apply(context, [].slice.call(arguments, 0)); }; } }(); var highlight = function(doc) { "use strict"; var defaults = { node: null, pattern: null, tagName: "strong", className: null, wordsOnly: false, caseSensitive: false }; return function hightlight(o) { var regex; o = _.mixin({}, defaults, o); if (!o.node || !o.pattern) { return; } o.pattern = _.isArray(o.pattern) ? o.pattern : [ o.pattern ]; regex = getRegex(o.pattern, o.caseSensitive, o.wordsOnly); traverse(o.node, hightlightTextNode); function hightlightTextNode(textNode) { var match, patternNode, wrapperNode; if (match = regex.exec(textNode.data)) { wrapperNode = doc.createElement(o.tagName); o.className && (wrapperNode.className = o.className); patternNode = textNode.splitText(match.index); patternNode.splitText(match[0].length); wrapperNode.appendChild(patternNode.cloneNode(true)); textNode.parentNode.replaceChild(wrapperNode, patternNode); } return !!match; } function traverse(el, hightlightTextNode) { var childNode, TEXT_NODE_TYPE = 3; for (var i = 0; i < el.childNodes.length; i++) { childNode = el.childNodes[i]; if (childNode.nodeType === TEXT_NODE_TYPE) { i += hightlightTextNode(childNode) ? 1 : 0; } else { traverse(childNode, hightlightTextNode); } } } }; function getRegex(patterns, caseSensitive, wordsOnly) { var escapedPatterns = [], regexStr; for (var i = 0, len = patterns.length; i < len; i++) { escapedPatterns.push(_.escapeRegExChars(patterns[i])); } regexStr = wordsOnly ? "\\b(" + escapedPatterns.join("|") + ")\\b" : "(" + escapedPatterns.join("|") + ")"; return caseSensitive ? new RegExp(regexStr) : new RegExp(regexStr, "i"); } }(window.document); var Input = function() { "use strict"; var specialKeyCodeMap; specialKeyCodeMap = { 9: "tab", 27: "esc", 37: "left", 39: "right", 13: "enter", 38: "up", 40: "down" }; function Input(o, www) { o = o || {}; if (!o.input) { $.error("input is missing"); } (this); this.$hint = $(o.hint); this.$input = $(o.input); this.query = this.$input.val(); this.queryWhenFocused = this.hasFocus() ? this.query : null; this.$overflowHelper = buildOverflowHelper(this.$input); this._checkLanguageDirection(); if (this.$hint.length === 0) { this.setHint = this.getHint = this.clearHint = this.clearHintIfInvalid = _.noop; } } Input.normalizeQuery = function(str) { return _.toStr(str).replace(/^\s*/g, "").replace(/\s{2,}/g, " "); }; _.mixin(Input.prototype, EventEmitter, { _onBlur: function onBlur() { this.resetInputValue(); this.trigger("blurred"); }, _onFocus: function onFocus() { this.queryWhenFocused = this.query; this.trigger("focused"); }, _onKeydown: function onKeydown($e) { var keyName = specialKeyCodeMap[$e.which || $e.keyCode]; this._managePreventDefault(keyName, $e); if (keyName && this._shouldTrigger(keyName, $e)) { this.trigger(keyName + "Keyed", $e); } }, _onInput: function onInput() { this._setQuery(this.getInputValue()); this.clearHintIfInvalid(); this._checkLanguageDirection(); }, _managePreventDefault: function managePreventDefault(keyName, $e) { var preventDefault; switch (keyName) { case "up": case "down": preventDefault = !withModifier($e); break; default: preventDefault = false; } preventDefault && $e.preventDefault(); }, _shouldTrigger: function shouldTrigger(keyName, $e) { var trigger; switch (keyName) { case "tab": trigger = !withModifier($e); break; default: trigger = true; } return trigger; }, _checkLanguageDirection: function checkLanguageDirection() { var dir = (this.$input.css("direction") || "ltr").toLowerCase(); if (this.dir !== dir) { this.dir = dir; this.$hint.attr("dir", dir); this.trigger("langDirChanged", dir); } }, _setQuery: function setQuery(val, silent) { var areEquivalent, hasDifferentWhitespace; areEquivalent = areQueriesEquivalent(val, this.query); hasDifferentWhitespace = areEquivalent ? this.query.length !== val.length : false; this.query = val; if (!silent && !areEquivalent) { this.trigger("queryChanged", this.query); } else if (!silent && hasDifferentWhitespace) { this.trigger("whitespaceChanged", this.query); } }, bind: function() { var that = this, onBlur, onFocus, onKeydown, onInput; onBlur = _.bind(this._onBlur, this); onFocus = _.bind(this._onFocus, this); onKeydown = _.bind(this._onKeydown, this); onInput = _.bind(this._onInput, this); this.$input.on("blur.tt", onBlur).on("focus.tt", onFocus).on("keydown.tt", onKeydown); if (!_.isMsie() || _.isMsie() > 9) { this.$input.on("input.tt", onInput); } else { this.$input.on("keydown.tt keypress.tt cut.tt paste.tt", function($e) { if (specialKeyCodeMap[$e.which || $e.keyCode]) { return; } _.defer(_.bind(that._onInput, that, $e)); }); } return this; }, focus: function focus() { this.$input.focus(); }, blur: function blur() { this.$input.blur(); }, getLangDir: function getLangDir() { return this.dir; }, getQuery: function getQuery() { return this.query || ""; }, setQuery: function setQuery(val, silent) { this.setInputValue(val); this._setQuery(val, silent); }, hasQueryChangedSinceLastFocus: function hasQueryChangedSinceLastFocus() { return this.query !== this.queryWhenFocused; }, getInputValue: function getInputValue() { return this.$input.val(); }, setInputValue: function setInputValue(value) { this.$input.val(value); this.clearHintIfInvalid(); this._checkLanguageDirection(); }, resetInputValue: function resetInputValue() { this.setInputValue(this.query); }, getHint: function getHint() { return this.$hint.val(); }, setHint: function setHint(value) { this.$hint.val(value); }, clearHint: function clearHint() { this.setHint(""); }, clearHintIfInvalid: function clearHintIfInvalid() { var val, hint, valIsPrefixOfHint, isValid; val = this.getInputValue(); hint = this.getHint(); valIsPrefixOfHint = val !== hint && hint.indexOf(val) === 0; isValid = val !== "" && valIsPrefixOfHint && !this.hasOverflow(); !isValid && this.clearHint(); }, hasFocus: function hasFocus() { return this.$input.is(":focus"); }, hasOverflow: function hasOverflow() { var constraint = this.$input.width() - 2; this.$overflowHelper.text(this.getInputValue()); return this.$overflowHelper.width() >= constraint; }, isCursorAtEnd: function() { var valueLength, selectionStart, range; valueLength = this.$input.val().length; selectionStart = this.$input[0].selectionStart; if (_.isNumber(selectionStart)) { return selectionStart === valueLength; } else if (document.selection) { range = document.selection.createRange(); range.moveStart("character", -valueLength); return valueLength === range.text.length; } return true; }, destroy: function destroy() { this.$hint.off(".tt"); this.$input.off(".tt"); this.$overflowHelper.remove(); this.$hint = this.$input = this.$overflowHelper = $("<div>"); } }); return Input; function buildOverflowHelper($input) { return $('<pre aria-hidden="true"></pre>').css({ position: "absolute", visibility: "hidden", whiteSpace: "pre", fontFamily: $input.css("font-family"), fontSize: $input.css("font-size"), fontStyle: $input.css("font-style"), fontVariant: $input.css("font-variant"), fontWeight: $input.css("font-weight"), wordSpacing: $input.css("word-spacing"), letterSpacing: $input.css("letter-spacing"), textIndent: $input.css("text-indent"), textRendering: $input.css("text-rendering"), textTransform: $input.css("text-transform") }).insertAfter($input); } function areQueriesEquivalent(a, b) { return Input.normalizeQuery(a) === Input.normalizeQuery(b); } function withModifier($e) { return $e.altKey || $e.ctrlKey || $e.metaKey || $e.shiftKey; } }(); var Dataset = function() { "use strict"; var keys, nameGenerator; keys = { val: "tt-selectable-display", obj: "tt-selectable-object" }; nameGenerator = _.getIdGenerator(); function Dataset(o, www) { o = o || {}; o.templates = o.templates || {}; o.templates.notFound = o.templates.notFound || o.templates.empty; if (!o.source) { $.error("missing source"); } if (!o.node) { $.error("missing node"); } if (o.name && !isValidName(o.name)) { $.error("invalid dataset name: " + o.name); } (this); this.highlight = !!o.highlight; this.name = o.name || nameGenerator(); this.limit = o.limit || 5; this.displayFn = getDisplayFn(o.display || o.displayKey); this.templates = getTemplates(o.templates, this.displayFn); this.source = o.source.__ttAdapter ? o.source.__ttAdapter() : o.source; this.async = _.isUndefined(o.async) ? this.source.length > 2 : !!o.async; this._resetLastSuggestion(); this.$el = $(o.node).addClass(this.classes.dataset).addClass(this.classes.dataset + "-" + this.name); } Dataset.extractData = function extractData(el) { var $el = $(el); if ($el.data(keys.obj)) { return { val: $el.data(keys.val) || "", obj: $el.data(keys.obj) || null }; } return null; }; _.mixin(Dataset.prototype, EventEmitter, { _overwrite: function overwrite(query, suggestions) { suggestions = suggestions || []; if (suggestions.length) { this._renderSuggestions(query, suggestions); } else if (this.async && this.templates.pending) { this._renderPending(query); } else if (!this.async && this.templates.notFound) { this._renderNotFound(query); } else { this._empty(); } this.trigger("rendered", this.name, suggestions, false); }, _append: function append(query, suggestions) { suggestions = suggestions || []; if (suggestions.length && this.$lastSuggestion.length) { this._appendSuggestions(query, suggestions); } else if (suggestions.length) { this._renderSuggestions(query, suggestions); } else if (!this.$lastSuggestion.length && this.templates.notFound) { this._renderNotFound(query); } this.trigger("rendered", this.name, suggestions, true); }, _renderSuggestions: function renderSuggestions(query, suggestions) { var $fragment; $fragment = this._getSuggestionsFragment(query, suggestions); this.$lastSuggestion = $fragment.children().last(); this.$el.html($fragment).prepend(this._getHeader(query, suggestions)).append(this._getFooter(query, suggestions)); }, _appendSuggestions: function appendSuggestions(query, suggestions) { var $fragment, $lastSuggestion; $fragment = this._getSuggestionsFragment(query, suggestions); $lastSuggestion = $fragment.children().last(); this.$lastSuggestion.after($fragment); this.$lastSuggestion = $lastSuggestion; }, _renderPending: function renderPending(query) { var template = this.templates.pending; this._resetLastSuggestion(); template && this.$el.html(template({ query: query, dataset: this.name })); }, _renderNotFound: function renderNotFound(query) { var template = this.templates.notFound; this._resetLastSuggestion(); template && this.$el.html(template({ query: query, dataset: this.name })); }, _empty: function empty() { this.$el.empty(); this._resetLastSuggestion(); }, _getSuggestionsFragment: function getSuggestionsFragment(query, suggestions) { var that = this, fragment; fragment = document.createDocumentFragment(); _.each(suggestions, function getSuggestionNode(suggestion) { var $el, context; context = that._injectQuery(query, suggestion); $el = $(that.templates.suggestion(context)).data(keys.obj, suggestion).data(keys.val, that.displayFn(suggestion)).addClass(that.classes.suggestion + " " + that.classes.selectable); fragment.appendChild($el[0]); }); this.highlight && highlight({ className: this.classes.highlight, node: fragment, pattern: query }); return $(fragment); }, _getFooter: function getFooter(query, suggestions) { return this.templates.footer ? this.templates.footer({ query: query, suggestions: suggestions, dataset: this.name }) : null; }, _getHeader: function getHeader(query, suggestions) { return this.templates.header ? this.templates.header({ query: query, suggestions: suggestions, dataset: this.name }) : null; }, _resetLastSuggestion: function resetLastSuggestion() { this.$lastSuggestion = $(); }, _injectQuery: function injectQuery(query, obj) { return _.isObject(obj) ? _.mixin({ _query: query }, obj) : obj; }, update: function update(query) { var that = this, canceled = false, syncCalled = false, rendered = 0; this.cancel(); this.cancel = function cancel() { canceled = true; that.cancel = $.noop; that.async && that.trigger("asyncCanceled", query); }; this.source(query, sync, async); !syncCalled && sync([]); function sync(suggestions) { if (syncCalled) { return; } syncCalled = true; suggestions = (suggestions || []).slice(0, that.limit); rendered = suggestions.length; that._overwrite(query, suggestions); if (rendered < that.limit && that.async) { that.trigger("asyncRequested", query); } } function async(suggestions) { suggestions = suggestions || []; if (!canceled && rendered < that.limit) { that.cancel = $.noop; rendered += suggestions.length; that._append(query, suggestions.slice(0, that.limit - rendered)); that.async && that.trigger("asyncReceived", query); } } }, cancel: $.noop, clear: function clear() { this._empty(); this.cancel(); this.trigger("cleared"); }, isEmpty: function isEmpty() { return this.$el.is(":empty"); }, destroy: function destroy() { this.$el = $("<div>"); } }); return Dataset; function getDisplayFn(display) { display = display || _.stringify; return _.isFunction(display) ? display : displayFn; function displayFn(obj) { return obj[display]; } } function getTemplates(templates, displayFn) { return { notFound: templates.notFound && _.templatify(templates.notFound), pending: templates.pending && _.templatify(templates.pending), header: templates.header && _.templatify(templates.header), footer: templates.footer && _.templatify(templates.footer), suggestion: templates.suggestion || suggestionTemplate }; function suggestionTemplate(context) { return $("<div>").text(displayFn(context)); } } function isValidName(str) { return /^[_a-zA-Z0-9-]+$/.test(str); } }(); var Menu = function() { "use strict"; function Menu(o, www) { var that = this; o = o || {}; if (!o.node) { $.error("node is required"); } (this); this.$node = $(o.node); this.query = null; this.datasets = _.map(o.datasets, initializeDataset); function initializeDataset(oDataset) { var node = that.$node.find(oDataset.node).first(); oDataset.node = node.length ? node : $("<div>").appendTo(that.$node); return new Dataset(oDataset, www); } } _.mixin(Menu.prototype, EventEmitter, { _onSelectableClick: function onSelectableClick($e) { this.trigger("selectableClicked", $($e.currentTarget)); }, _onRendered: function onRendered(type, dataset, suggestions, async) { this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty()); this.trigger("datasetRendered", dataset, suggestions, async); }, _onCleared: function onCleared() { this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty()); this.trigger("datasetCleared"); }, _propagate: function propagate() { this.trigger.apply(this, arguments); }, _allDatasetsEmpty: function allDatasetsEmpty() { return _.every(this.datasets, isDatasetEmpty); function isDatasetEmpty(dataset) { return dataset.isEmpty(); } }, _getSelectables: function getSelectables() { return this.$node.find(this.selectors.selectable); }, _removeCursor: function _removeCursor() { var $selectable = this.getActiveSelectable(); $selectable && $selectable.removeClass(this.classes.cursor); }, _ensureVisible: function ensureVisible($el) { var elTop, elBottom, nodeScrollTop, nodeHeight; elTop = $el.position().top; elBottom = elTop + $el.outerHeight(true); nodeScrollTop = this.$node.scrollTop(); nodeHeight = this.$node.height() + parseInt(this.$node.css("paddingTop"), 10) + parseInt(this.$node.css("paddingBottom"), 10); if (elTop < 0) { this.$node.scrollTop(nodeScrollTop + elTop); } else if (nodeHeight < elBottom) { this.$node.scrollTop(nodeScrollTop + (elBottom - nodeHeight)); } }, bind: function() { var that = this, onSelectableClick; onSelectableClick = _.bind(this._onSelectableClick, this); this.$node.on("click.tt", this.selectors.selectable, onSelectableClick); _.each(this.datasets, function(dataset) { dataset.onSync("asyncRequested", that._propagate, that).onSync("asyncCanceled", that._propagate, that).onSync("asyncReceived", that._propagate, that).onSync("rendered", that._onRendered, that).onSync("cleared", that._onCleared, that); }); return this; }, isOpen: function isOpen() { return this.$node.hasClass(this.classes.open); }, open: function open() { this.$node.addClass(this.classes.open); }, close: function close() { this.$node.removeClass(this.classes.open); this._removeCursor(); }, setLanguageDirection: function setLanguageDirection(dir) { this.$node.attr("dir", dir); }, selectableRelativeToCursor: function selectableRelativeToCursor(delta) { var $selectables, $oldCursor, oldIndex, newIndex; $oldCursor = this.getActiveSelectable(); $selectables = this._getSelectables(); oldIndex = $oldCursor ? $selectables.index($oldCursor) : -1; newIndex = oldIndex + delta; newIndex = (newIndex + 1) % ($selectables.length + 1) - 1; newIndex = newIndex < -1 ? $selectables.length - 1 : newIndex; return newIndex === -1 ? null : $selectables.eq(newIndex); }, setCursor: function setCursor($selectable) { this._removeCursor(); if ($selectable = $selectable && $selectable.first()) { $selectable.addClass(this.classes.cursor); this._ensureVisible($selectable); } }, getSelectableData: function getSelectableData($el) { return $el && $el.length ? Dataset.extractData($el) : null; }, getActiveSelectable: function getActiveSelectable() { var $selectable = this._getSelectables().filter(this.selectors.cursor).first(); return $selectable.length ? $selectable : null; }, getTopSelectable: function getTopSelectable() { var $selectable = this._getSelectables().first(); return $selectable.length ? $selectable : null; }, update: function update(query) { var isValidUpdate = query !== this.query; if (isValidUpdate) { this.query = query; _.each(this.datasets, updateDataset); } return isValidUpdate; function updateDataset(dataset) { dataset.update(query); } }, empty: function empty() { _.each(this.datasets, clearDataset); this.query = null; this.$node.addClass(this.classes.empty); function clearDataset(dataset) { dataset.clear(); } }, destroy: function destroy() { this.$node.off(".tt"); this.$node = $("<div>"); _.each(this.datasets, destroyDataset); function destroyDataset(dataset) { dataset.destroy(); } } }); return Menu; }(); var DefaultMenu = function() { "use strict"; var s = Menu.prototype; function DefaultMenu() { Menu.apply(this, [].slice.call(arguments, 0)); } _.mixin(DefaultMenu.prototype, Menu.prototype, { open: function open() { !this._allDatasetsEmpty() && this._show(); return s.open.apply(this, [].slice.call(arguments, 0)); }, close: function close() { this._hide(); return s.close.apply(this, [].slice.call(arguments, 0)); }, _onRendered: function onRendered() { if (this._allDatasetsEmpty()) { this._hide(); } else { this.isOpen() && this._show(); } return s._onRendered.apply(this, [].slice.call(arguments, 0)); }, _onCleared: function onCleared() { if (this._allDatasetsEmpty()) { this._hide(); } else { this.isOpen() && this._show(); } return s._onCleared.apply(this, [].slice.call(arguments, 0)); }, setLanguageDirection: function setLanguageDirection(dir) { this.$node.css(dir === "ltr" ? this.css.ltr : this.css.rtl); return s.setLanguageDirection.apply(this, [].slice.call(arguments, 0)); }, _hide: function hide() { this.$node.hide(); }, _show: function show() { this.$node.css("display", "block"); } }); return DefaultMenu; }(); var Typeahead = function() { "use strict"; function Typeahead(o, www) { var onFocused, onBlurred, onEnterKeyed, onTabKeyed, onEscKeyed, onUpKeyed, onDownKeyed, onLeftKeyed, onRightKeyed, onQueryChanged, onWhitespaceChanged; o = o || {}; if (!o.input) { $.error("missing input"); } if (!o.menu) { $.error("missing menu"); } if (!o.eventBus) { $.error("missing event bus"); } (this); this.eventBus = o.eventBus; this.minLength = _.isNumber(o.minLength) ? o.minLength : 1; this.input = o.input; this.menu = o.menu; this.enabled = true; this.active = false; this.input.hasFocus() && this.activate(); this.dir = this.input.getLangDir(); this._hacks(); this.menu.bind().onSync("selectableClicked", this._onSelectableClicked, this).onSync("asyncRequested", this._onAsyncRequested, this).onSync("asyncCanceled", this._onAsyncCanceled, this).onSync("asyncReceived", this._onAsyncReceived, this).onSync("datasetRendered", this._onDatasetRendered, this).onSync("datasetCleared", this._onDatasetCleared, this); onFocused = c(this, "activate", "open", "_onFocused"); onBlurred = c(this, "deactivate", "_onBlurred"); onEnterKeyed = c(this, "isActive", "isOpen", "_onEnterKeyed"); onTabKeyed = c(this, "isActive", "isOpen", "_onTabKeyed"); onEscKeyed = c(this, "isActive", "_onEscKeyed"); onUpKeyed = c(this, "isActive", "open", "_onUpKeyed"); onDownKeyed = c(this, "isActive", "open", "_onDownKeyed"); onLeftKeyed = c(this, "isActive", "isOpen", "_onLeftKeyed"); onRightKeyed = c(this, "isActive", "isOpen", "_onRightKeyed"); onQueryChanged = c(this, "_openIfActive", "_onQueryChanged"); onWhitespaceChanged = c(this, "_openIfActive", "_onWhitespaceChanged"); this.input.bind().onSync("focused", onFocused, this).onSync("blurred", onBlurred, this).onSync("enterKeyed", onEnterKeyed, this).onSync("tabKeyed", onTabKeyed, this).onSync("escKeyed", onEscKeyed, this).onSync("upKeyed", onUpKeyed, this).onSync("downKeyed", onDownKeyed, this).onSync("leftKeyed", onLeftKeyed, this).onSync("rightKeyed", onRightKeyed, this).onSync("queryChanged", onQueryChanged, this).onSync("whitespaceChanged", onWhitespaceChanged, this).onSync("langDirChanged", this._onLangDirChanged, this); } _.mixin(Typeahead.prototype, { _hacks: function hacks() { var $input, $menu; $input = this.input.$input || $("<div>"); $menu = this.menu.$node || $("<div>"); $input.on("blur.tt", function($e) { var active, isActive, hasActive; active = document.activeElement; isActive = $menu.is(active); hasActive = $menu.has(active).length > 0; if (_.isMsie() && (isActive || hasActive)) { $e.preventDefault(); $e.stopImmediatePropagation(); _.defer(function() { $input.focus(); }); } }); $menu.on("mousedown.tt", function($e) { $e.preventDefault(); }); }, _onSelectableClicked: function onSelectableClicked(type, $el) { this.select($el); }, _onDatasetCleared: function onDatasetCleared() { this._updateHint(); }, _onDatasetRendered: function onDatasetRendered(type, dataset, suggestions, async) { this._updateHint(); this.eventBus.trigger("render", suggestions, async, dataset); }, _onAsyncRequested: function onAsyncRequested(type, dataset, query) { this.eventBus.trigger("asyncrequest", query, dataset); }, _onAsyncCanceled: function onAsyncCanceled(type, dataset, query) { this.eventBus.trigger("asynccancel", query, dataset); }, _onAsyncReceived: function onAsyncReceived(type, dataset, query) { this.eventBus.trigger("asyncreceive", query, dataset); }, _onFocused: function onFocused() { this._minLengthMet() && this.menu.update(this.input.getQuery()); }, _onBlurred: function onBlurred() { if (this.input.hasQueryChangedSinceLastFocus()) { this.eventBus.trigger("change", this.input.getQuery()); } }, _onEnterKeyed: function onEnterKeyed(type, $e) { var $selectable; if ($selectable = this.menu.getActiveSelectable()) { this.select($selectable) && $e.preventDefault(); } }, _onTabKeyed: function onTabKeyed(type, $e) { var $selectable; if ($selectable = this.menu.getActiveSelectable()) { this.select($selectable) && $e.preventDefault(); } else if ($selectable = this.menu.getTopSelectable()) { this.autocomplete($selectable) && $e.preventDefault(); } }, _onEscKeyed: function onEscKeyed() { this.close(); }, _onUpKeyed: function onUpKeyed() { this.moveCursor(-1); }, _onDownKeyed: function onDownKeyed() { this.moveCursor(+1); }, _onLeftKeyed: function onLeftKeyed() { if (this.dir === "rtl" && this.input.isCursorAtEnd()) { this.autocomplete(this.menu.getTopSelectable()); } }, _onRightKeyed: function onRightKeyed() { if (this.dir === "ltr" && this.input.isCursorAtEnd()) { this.autocomplete(this.menu.getTopSelectable()); } }, _onQueryChanged: function onQueryChanged(e, query) { this._minLengthMet(query) ? this.menu.update(query) : this.menu.empty(); }, _onWhitespaceChanged: function onWhitespaceChanged() { this._updateHint(); }, _onLangDirChanged: function onLangDirChanged(e, dir) { if (this.dir !== dir) { this.dir = dir; this.menu.setLanguageDirection(dir); } }, _openIfActive: function openIfActive() { this.isActive() && this.open(); }, _minLengthMet: function minLengthMet(query) { query = _.isString(query) ? query : this.input.getQuery() || ""; return query.length >= this.minLength; }, _updateHint: function updateHint() { var $selectable, data, val, query, escapedQuery, frontMatchRegEx, match; $selectable = this.menu.getTopSelectable(); data = this.menu.getSelectableData($selectable); val = this.input.getInputValue(); if (data && !_.isBlankString(val) && !this.input.hasOverflow()) { query = Input.normalizeQuery(val); escapedQuery = _.escapeRegExChars(query); frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.+$)", "i"); match = frontMatchRegEx.exec(data.val); match && this.input.setHint(val + match[1]); } else { this.input.clearHint(); } }, isEnabled: function isEnabled() { return this.enabled; }, enable: function enable() { this.enabled = true; }, disable: function disable() { this.enabled = false; }, isActive: function isActive() { return this.active; }, activate: function activate() { if (this.isActive()) { return true; } else if (!this.isEnabled() || this.eventBus.before("active")) { return false; } else { this.active = true; this.eventBus.trigger("active"); return true; } }, deactivate: function deactivate() { if (!this.isActive()) { return true; } else if (this.eventBus.before("idle")) { return false; } else { this.active = false; this.close(); this.eventBus.trigger("idle"); return true; } }, isOpen: function isOpen() { return this.menu.isOpen(); }, open: function open() { if (!this.isOpen() && !this.eventBus.before("open")) { this.menu.open(); this._updateHint(); this.eventBus.trigger("open"); } return this.isOpen(); }, close: function close() { if (this.isOpen() && !this.eventBus.before("close")) { this.menu.close(); this.input.clearHint(); this.input.resetInputValue(); this.eventBus.trigger("close"); } return !this.isOpen(); }, setVal: function setVal(val) { this.input.setQuery(_.toStr(val)); }, getVal: function getVal() { return this.input.getQuery(); }, select: function select($selectable) { var data = this.menu.getSelectableData($selectable); if (data && !this.eventBus.before("select", data.obj)) { this.input.setQuery(data.val, true); this.eventBus.trigger("select", data.obj); this.close(); return true; } return false; }, autocomplete: function autocomplete($selectable) { var query, data, isValid; query = this.input.getQuery(); data = this.menu.getSelectableData($selectable); isValid = data && query !== data.val; if (isValid && !this.eventBus.before("autocomplete", data.obj)) { this.input.setQuery(data.val); this.eventBus.trigger("autocomplete", data.obj); return true; } return false; }, moveCursor: function moveCursor(delta) { var query, $candidate, data, payload, cancelMove; query = this.input.getQuery(); $candidate = this.menu.selectableRelativeToCursor(delta); data = this.menu.getSelectableData($candidate); payload = data ? data.obj : null; cancelMove = this._minLengthMet() && this.menu.update(query); if (!cancelMove && !this.eventBus.before("cursorchange", payload)) { this.menu.setCursor($candidate); if (data) { this.input.setInputValue(data.val); } else { this.input.resetInputValue(); this._updateHint(); } this.eventBus.trigger("cursorchange", payload); return true; } return false; }, destroy: function destroy() { this.input.destroy(); this.menu.destroy(); } }); return Typeahead; function c(ctx) { var methods = [].slice.call(arguments, 1); return function() { var args = [].slice.call(arguments); _.each(methods, function(method) { return ctx[method].apply(ctx, args); }); }; } }(); (function() { "use strict"; var old, keys, methods; old = $.fn.typeahead; keys = { www: "tt-www", attrs: "tt-attrs", typeahead: "tt-typeahead" }; methods = { initialize: function initialize(o, datasets) { var www; datasets = _.isArray(datasets) ? datasets : [].slice.call(arguments, 1); o = o || {}; www = WWW(o.classNames); return this.each(attach); function attach() { var $input, $wrapper, $hint, $menu, defaultHint, defaultMenu, eventBus, input, menu, typeahead, MenuConstructor; _.each(datasets, function(d) { d.highlight = !!o.highlight; }); $input = $(this); $wrapper = $(); $hint = $elOrNull(o.hint); $menu = $elOrNull(o.menu); defaultHint = o.hint !== false && !$hint; defaultMenu = o.menu !== false && !$menu; defaultHint && ($hint = buildHintFromInput($input, www)); defaultMenu && ($menu = $().css()); $hint && $hint.val(""); $input = prepInput($input, www); if (defaultHint || defaultMenu) { $wrapper.css(); $input.css(defaultHint ? : ); $input.wrap($wrapper).parent().prepend(defaultHint ? $hint : null).append(defaultMenu ? $menu : null); } MenuConstructor = defaultMenu ? DefaultMenu : Menu; eventBus = new EventBus({ el: $input }); input = new Input({ hint: $hint, input: $input }, www); menu = new MenuConstructor({ node: $menu, datasets: datasets }, www); typeahead = new Typeahead({ input: input, menu: menu, eventBus: eventBus, minLength: o.minLength }, www); $input.data(keys.www, www); $input.data(keys.typeahead, typeahead); } }, isEnabled: function isEnabled() { var enabled; ttEach(this.first(), function(t) { enabled = t.isEnabled(); }); return enabled; }, enable: function enable() { ttEach(this, function(t) { t.enable(); }); return this; }, disable: function disable() { ttEach(this, function(t) { t.disable(); }); return this; }, isActive: function isActive() { var active; ttEach(this.first(), function(t) { active = t.isActive(); }); return active; }, activate: function activate() { ttEach(this, function(t) { t.activate(); }); return this; }, deactivate: function deactivate() { ttEach(this, function(t) { t.deactivate(); }); return this; }, isOpen: function isOpen() { var open; ttEach(this.first(), function(t) { open = t.isOpen(); }); return open; }, open: function open() { ttEach(this, function(t) { t.open(); }); return this; }, close: function close() { ttEach(this, function(t) { t.close(); }); return this; }, select: function select(el) { var success = false, $el = $(el); ttEach(this.first(), function(t) { success = t.select($el); }); return success; }, autocomplete: function autocomplete(el) { var success = false, $el = $(el); ttEach(this.first(), function(t) { success = t.autocomplete($el); }); return success; }, moveCursor: function moveCursoe(delta) { var success = false; ttEach(this.first(), function(t) { success = t.moveCursor(delta); }); return success; }, val: function val(newVal) { var query; if (!arguments.length) { ttEach(this.first(), function(t) { query = t.getVal(); }); return query; } else { ttEach(this, function(t) { t.setVal(newVal); }); return this; } }, destroy: function destroy() { ttEach(this, function(typeahead, $input) { revert($input); typeahead.destroy(); }); return this; } }; $.fn.typeahead = function(method) { if (methods[method]) { return methods[method].apply(this, [].slice.call(arguments, 1)); } else { return methods.initialize.apply(this, arguments); } }; $.fn.typeahead.noConflict = function noConflict() { $.fn.typeahead = old; return this; }; function ttEach($els, fn) { $els.each(function() { var $input = $(this), typeahead; (typeahead = $input.data(keys.typeahead)) && fn(typeahead, $input); }); } function buildHintFromInput($input, www) { return $input.clone().addClass().removeData().css().css(getBackgroundStyles($input)).prop("readonly", true).removeAttr("id name placeholder required").attr({ autocomplete: "off", spellcheck: "false", tabindex: -1 }); } function prepInput($input, www) { $input.data(keys.attrs, { dir: $input.attr("dir"), autocomplete: $input.attr("autocomplete"), spellcheck: $input.attr("spellcheck"), style: $input.attr("style") }); $input.addClass().attr({ autocomplete: "off", spellcheck: false }); try { !$input.attr("dir") && $input.attr("dir", "auto"); } catch (e) {} return $input; } function getBackgroundStyles($el) { return { backgroundAttachment: $el.css("background-attachment"), backgroundClip: $el.css("background-clip"), backgroundColor: $el.css("background-color"), backgroundImage: $el.css("background-image"), backgroundOrigin: $el.css("background-origin"), backgroundPosition: $el.css("background-position"), backgroundRepeat: $el.css("background-repeat"), backgroundSize: $el.css("background-size") }; } function revert($input) { var www, $wrapper; www = $input.data(keys.www); $wrapper = $input.parent().filter(); _.each($input.data(keys.attrs), function(val, key) { _.isUndefined(val) ? $input.removeAttr(key) : $input.attr(key, val); }); $input.removeData(keys.typeahead).removeData(keys.www).removeData(keys.attr).removeClass(); if ($wrapper.length) { $input.detach().insertAfter($wrapper); $wrapper.remove(); } } function $elOrNull(obj) { var isValid, $el; isValid = _.isJQuery(obj) || _.isElement(obj); $el = isValid ? $(obj).first() : []; return $el.length ? $el : null; } })(); });
Bootstrap3使用typeahead插件实现自动补全功能
内容版权声明：除非注明，否则皆为本站原创文章。