| /*! |
| * typeahead.js 0.10.5 |
| * https://github.com/twitter/typeahead.js |
| * Copyright 2013-2014 Twitter, Inc. and other contributors; Licensed MIT |
| */ |
| |
| (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"; |
| }, |
| 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, |
| getUniqueId: 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; |
| }; |
| }, |
| noop: function() {} |
| }; |
| }(); |
| var VERSION = "0.10.5"; |
| 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() { |
| var args = [].slice.call(arguments, 0); |
| return function tokenize(o) { |
| var tokens = []; |
| _.each(args, 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]; |
| } |
| 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 ls, methods; |
| try { |
| ls = window.localStorage; |
| ls.setItem("~~~", "!"); |
| ls.removeItem("~~~"); |
| } catch (err) { |
| ls = null; |
| } |
| function PersistentStorage(namespace) { |
| this.prefix = [ "__", namespace, "__" ].join(""); |
| this.ttlKey = "__ttl__"; |
| this.keyMatcher = new RegExp("^" + _.escapeRegExChars(this.prefix)); |
| } |
| if (ls && window.JSON) { |
| methods = { |
| _prefix: function(key) { |
| return this.prefix + key; |
| }, |
| _ttlKey: function(key) { |
| return this._prefix(key) + this.ttlKey; |
| }, |
| get: function(key) { |
| if (this.isExpired(key)) { |
| this.remove(key); |
| } |
| return decode(ls.getItem(this._prefix(key))); |
| }, |
| set: function(key, val, ttl) { |
| if (_.isNumber(ttl)) { |
| ls.setItem(this._ttlKey(key), encode(now() + ttl)); |
| } else { |
| ls.removeItem(this._ttlKey(key)); |
| } |
| return ls.setItem(this._prefix(key), encode(val)); |
| }, |
| remove: function(key) { |
| ls.removeItem(this._ttlKey(key)); |
| ls.removeItem(this._prefix(key)); |
| return this; |
| }, |
| clear: function() { |
| var i, key, keys = [], len = ls.length; |
| for (i = 0; i < len; i++) { |
| if ((key = ls.key(i)).match(this.keyMatcher)) { |
| keys.push(key.replace(this.keyMatcher, "")); |
| } |
| } |
| for (i = keys.length; i--; ) { |
| this.remove(keys[i]); |
| } |
| return this; |
| }, |
| isExpired: function(key) { |
| var ttl = decode(ls.getItem(this._ttlKey(key))); |
| return _.isNumber(ttl) && now() > ttl ? true : false; |
| } |
| }; |
| } else { |
| methods = { |
| get: _.noop, |
| set: _.noop, |
| remove: _.noop, |
| clear: _.noop, |
| isExpired: _.noop |
| }; |
| } |
| _.mixin(PersistentStorage.prototype, methods); |
| return PersistentStorage; |
| function now() { |
| return new Date().getTime(); |
| } |
| function encode(val) { |
| return JSON.stringify(_.isUndefined(val) ? null : val); |
| } |
| function decode(val) { |
| return JSON.parse(val); |
| } |
| }(); |
| var Transport = function() { |
| "use strict"; |
| var pendingRequestsCount = 0, pendingRequests = {}, maxPendingRequests = 6, sharedCache = new LruCache(10); |
| function Transport(o) { |
| o = o || {}; |
| this.cancelled = false; |
| this.lastUrl = null; |
| this._send = o.transport ? callbackToDeferred(o.transport) : $.ajax; |
| this._get = o.rateLimiter ? o.rateLimiter(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, { |
| _get: function(url, o, cb) { |
| var that = this, jqXhr; |
| if (this.cancelled || url !== this.lastUrl) { |
| return; |
| } |
| if (jqXhr = pendingRequests[url]) { |
| jqXhr.done(done).fail(fail); |
| } else if (pendingRequestsCount < maxPendingRequests) { |
| pendingRequestsCount++; |
| pendingRequests[url] = this._send(url, o).done(done).fail(fail).always(always); |
| } else { |
| this.onDeckRequestArgs = [].slice.call(arguments, 0); |
| } |
| function done(resp) { |
| cb && cb(null, resp); |
| that._cache.set(url, resp); |
| } |
| function fail() { |
| cb && cb(true); |
| } |
| function always() { |
| pendingRequestsCount--; |
| delete pendingRequests[url]; |
| if (that.onDeckRequestArgs) { |
| that._get.apply(that, that.onDeckRequestArgs); |
| that.onDeckRequestArgs = null; |
| } |
| } |
| }, |
| get: function(url, o, cb) { |
| var resp; |
| if (_.isFunction(o)) { |
| cb = o; |
| o = {}; |
| } |
| this.cancelled = false; |
| this.lastUrl = url; |
| if (resp = this._cache.get(url)) { |
| _.defer(function() { |
| cb && cb(null, resp); |
| }); |
| } else { |
| this._get(url, o, cb); |
| } |
| return !!resp; |
| }, |
| cancel: function() { |
| this.cancelled = true; |
| } |
| }); |
| return Transport; |
| function callbackToDeferred(fn) { |
| return function customSendWrapper(url, o) { |
| var deferred = $.Deferred(); |
| fn(url, o, onSuccess, onError); |
| return deferred; |
| function onSuccess(resp) { |
| _.defer(function() { |
| deferred.resolve(resp); |
| }); |
| } |
| function onError(err) { |
| _.defer(function() { |
| deferred.reject(err); |
| }); |
| } |
| }; |
| } |
| }(); |
| var SearchIndex = function() { |
| "use strict"; |
| function SearchIndex(o) { |
| o = o || {}; |
| if (!o.datumTokenizer || !o.queryTokenizer) { |
| $.error("datumTokenizer and queryTokenizer are both required"); |
| } |
| 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; |
| id = that.datums.push(datum) - 1; |
| 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(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]; |
| }) : []; |
| }, |
| 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() { |
| return { |
| ids: [], |
| children: {} |
| }; |
| } |
| 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(compare); |
| arrayB = arrayB.sort(compare); |
| 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; |
| function compare(a, b) { |
| return a - b; |
| } |
| } |
| }(); |
| var oParser = function() { |
| "use strict"; |
| return { |
| local: getLocal, |
| prefetch: getPrefetch, |
| remote: getRemote |
| }; |
| function getLocal(o) { |
| return o.local || null; |
| } |
| function getPrefetch(o) { |
| var prefetch, defaults; |
| defaults = { |
| url: null, |
| thumbprint: "", |
| ttl: 24 * 60 * 60 * 1e3, |
| filter: null, |
| ajax: {} |
| }; |
| if (prefetch = o.prefetch || null) { |
| prefetch = _.isString(prefetch) ? { |
| url: prefetch |
| } : prefetch; |
| prefetch = _.mixin(defaults, prefetch); |
| prefetch.thumbprint = VERSION + prefetch.thumbprint; |
| prefetch.ajax.type = prefetch.ajax.type || "GET"; |
| prefetch.ajax.dataType = prefetch.ajax.dataType || "json"; |
| !prefetch.url && $.error("prefetch requires url to be set"); |
| } |
| return prefetch; |
| } |
| function getRemote(o) { |
| var remote, defaults; |
| defaults = { |
| url: null, |
| cache: true, |
| wildcard: "%QUERY", |
| replace: null, |
| rateLimitBy: "debounce", |
| rateLimitWait: 300, |
| send: null, |
| filter: null, |
| ajax: {} |
| }; |
| if (remote = o.remote || null) { |
| remote = _.isString(remote) ? { |
| url: remote |
| } : remote; |
| remote = _.mixin(defaults, remote); |
| remote.rateLimiter = /^throttle$/i.test(remote.rateLimitBy) ? byThrottle(remote.rateLimitWait) : byDebounce(remote.rateLimitWait); |
| remote.ajax.type = remote.ajax.type || "GET"; |
| remote.ajax.dataType = remote.ajax.dataType || "json"; |
| delete remote.rateLimitBy; |
| delete remote.rateLimitWait; |
| !remote.url && $.error("remote requires url to be set"); |
| } |
| return remote; |
| function byDebounce(wait) { |
| return function(fn) { |
| return _.debounce(fn, wait); |
| }; |
| } |
| function byThrottle(wait) { |
| return function(fn) { |
| return _.throttle(fn, wait); |
| }; |
| } |
| } |
| }(); |
| (function(root) { |
| "use strict"; |
| var old, keys; |
| old = root.Bloodhound; |
| keys = { |
| data: "data", |
| protocol: "protocol", |
| thumbprint: "thumbprint" |
| }; |
| root.Bloodhound = Bloodhound; |
| function Bloodhound(o) { |
| if (!o || !o.local && !o.prefetch && !o.remote) { |
| $.error("one of local, prefetch, or remote is required"); |
| } |
| this.limit = o.limit || 5; |
| this.sorter = getSorter(o.sorter); |
| this.dupDetector = o.dupDetector || ignoreDuplicates; |
| this.local = oParser.local(o); |
| this.prefetch = oParser.prefetch(o); |
| this.remote = oParser.remote(o); |
| this.cacheKey = this.prefetch ? this.prefetch.cacheKey || this.prefetch.url : null; |
| this.index = new SearchIndex({ |
| datumTokenizer: o.datumTokenizer, |
| queryTokenizer: o.queryTokenizer |
| }); |
| this.storage = this.cacheKey ? new PersistentStorage(this.cacheKey) : null; |
| } |
| Bloodhound.noConflict = function noConflict() { |
| root.Bloodhound = old; |
| return Bloodhound; |
| }; |
| Bloodhound.tokenizers = tokenizers; |
| _.mixin(Bloodhound.prototype, { |
| _loadPrefetch: function loadPrefetch(o) { |
| var that = this, serialized, deferred; |
| if (serialized = this._readFromStorage(o.thumbprint)) { |
| this.index.bootstrap(serialized); |
| deferred = $.Deferred().resolve(); |
| } else { |
| deferred = $.ajax(o.url, o.ajax).done(handlePrefetchResponse); |
| } |
| return deferred; |
| function handlePrefetchResponse(resp) { |
| that.clear(); |
| that.add(o.filter ? o.filter(resp) : resp); |
| that._saveToStorage(that.index.serialize(), o.thumbprint, o.ttl); |
| } |
| }, |
| _getFromRemote: function getFromRemote(query, cb) { |
| var that = this, url, uriEncodedQuery; |
| if (!this.transport) { |
| return; |
| } |
| query = query || ""; |
| uriEncodedQuery = encodeURIComponent(query); |
| url = this.remote.replace ? this.remote.replace(this.remote.url, query) : this.remote.url.replace(this.remote.wildcard, uriEncodedQuery); |
| return this.transport.get(url, this.remote.ajax, handleRemoteResponse); |
| function handleRemoteResponse(err, resp) { |
| err ? cb([]) : cb(that.remote.filter ? that.remote.filter(resp) : resp); |
| } |
| }, |
| _cancelLastRemoteRequest: function cancelLastRemoteRequest() { |
| this.transport && this.transport.cancel(); |
| }, |
| _saveToStorage: function saveToStorage(data, thumbprint, ttl) { |
| if (this.storage) { |
| this.storage.set(keys.data, data, ttl); |
| this.storage.set(keys.protocol, location.protocol, ttl); |
| this.storage.set(keys.thumbprint, thumbprint, ttl); |
| } |
| }, |
| _readFromStorage: function readFromStorage(thumbprint) { |
| var stored = {}, isExpired; |
| if (this.storage) { |
| stored.data = this.storage.get(keys.data); |
| stored.protocol = this.storage.get(keys.protocol); |
| stored.thumbprint = this.storage.get(keys.thumbprint); |
| } |
| isExpired = stored.thumbprint !== thumbprint || stored.protocol !== location.protocol; |
| return stored.data && !isExpired ? stored.data : null; |
| }, |
| _initialize: function initialize() { |
| var that = this, local = this.local, deferred; |
| deferred = this.prefetch ? this._loadPrefetch(this.prefetch) : $.Deferred().resolve(); |
| local && deferred.done(addLocalToIndex); |
| this.transport = this.remote ? new Transport(this.remote) : null; |
| return this.initPromise = deferred.promise(); |
| function addLocalToIndex() { |
| that.add(_.isFunction(local) ? local() : local); |
| } |
| }, |
| initialize: function initialize(force) { |
| return !this.initPromise || force ? this._initialize() : this.initPromise; |
| }, |
| add: function add(data) { |
| this.index.add(data); |
| }, |
| get: function get(query, cb) { |
| var that = this, matches = [], cacheHit = false; |
| matches = this.index.get(query); |
| matches = this.sorter(matches).slice(0, this.limit); |
| matches.length < this.limit ? cacheHit = this._getFromRemote(query, returnRemoteMatches) : this._cancelLastRemoteRequest(); |
| if (!cacheHit) { |
| (matches.length > 0 || !this.transport) && cb && cb(matches); |
| } |
| function returnRemoteMatches(remoteMatches) { |
| var matchesWithBackfill = matches.slice(0); |
| _.each(remoteMatches, function(remoteMatch) { |
| var isDuplicate; |
| isDuplicate = _.some(matchesWithBackfill, function(match) { |
| return that.dupDetector(remoteMatch, match); |
| }); |
| !isDuplicate && matchesWithBackfill.push(remoteMatch); |
| return matchesWithBackfill.length < that.limit; |
| }); |
| cb && cb(that.sorter(matchesWithBackfill)); |
| } |
| }, |
| clear: function clear() { |
| this.index.reset(); |
| }, |
| clearPrefetchCache: function clearPrefetchCache() { |
| this.storage && this.storage.clear(); |
| }, |
| clearRemoteCache: function clearRemoteCache() { |
| this.transport && Transport.resetCache(); |
| }, |
| ttAdapter: function ttAdapter() { |
| return _.bind(this.get, this); |
| } |
| }); |
| return Bloodhound; |
| function getSorter(sortFn) { |
| return _.isFunction(sortFn) ? sort : noSort; |
| function sort(array) { |
| return array.sort(sortFn); |
| } |
| function noSort(array) { |
| return array; |
| } |
| } |
| function ignoreDuplicates() { |
| return false; |
| } |
| })(this); |
| var html = function() { |
| return { |
| wrapper: '<span class="twitter-typeahead"></span>', |
| dropdown: '<span class="tt-dropdown-menu"></span>', |
| dataset: '<div class="tt-dataset-%CLASS%"></div>', |
| suggestions: '<span class="tt-suggestions"></span>', |
| suggestion: '<div class="tt-suggestion"></div>' |
| }; |
| }(); |
| var css = function() { |
| "use strict"; |
| 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", |
| borderColor: "transparent", |
| backgroundColor: "transparent" |
| }, |
| inputWithNoHint: { |
| position: "relative", |
| verticalAlign: "top", |
| }, |
| dropdown: { |
| position: "absolute", |
| top: "100%", |
| left: "0", |
| zIndex: "100", |
| display: "none" |
| }, |
| suggestions: { |
| display: "block" |
| }, |
| suggestion: { |
| whiteSpace: "nowrap", |
| cursor: "pointer" |
| }, |
| suggestionChild: { |
| whiteSpace: "normal" |
| }, |
| ltr: { |
| left: "0", |
| right: "auto" |
| }, |
| rtl: { |
| left: "auto", |
| right: " 0" |
| } |
| }; |
| if (_.isMsie()) { |
| _.mixin(css.input, { |
| backgroundImage: "url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)" |
| }); |
| } |
| if (_.isMsie() && _.isMsie() <= 7) { |
| _.mixin(css.input, { |
| marginTop: "-1px" |
| }); |
| } |
| return css; |
| }(); |
| var EventBus = function() { |
| "use strict"; |
| var namespace = "typeahead:"; |
| function EventBus(o) { |
| if (!o || !o.el) { |
| $.error("EventBus initialized without el"); |
| } |
| this.$el = $(o.el); |
| } |
| _.mixin(EventBus.prototype, { |
| trigger: function(type) { |
| var args = [].slice.call(arguments, 1); |
| this.$el.trigger(namespace + type, args); |
| } |
| }); |
| 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) { |
| var that = this, onBlur, onFocus, onKeydown, onInput; |
| o = o || {}; |
| if (!o.input) { |
| $.error("input is missing"); |
| } |
| onBlur = _.bind(this._onBlur, this); |
| onFocus = _.bind(this._onFocus, this); |
| onKeydown = _.bind(this._onKeydown, this); |
| onInput = _.bind(this._onInput, this); |
| this.$hint = $(o.hint); |
| this.$input = $(o.input).on("blur.tt", onBlur).on("focus.tt", onFocus).on("keydown.tt", onKeydown); |
| if (this.$hint.length === 0) { |
| this.setHint = this.getHint = this.clearHint = this.clearHintIfInvalid = _.noop; |
| } |
| if (!_.isMsie()) { |
| 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, $e)); |
| }); |
| } |
| this.query = this.$input.val(); |
| this.$overflowHelper = buildOverflowHelper(this.$input); |
| } |
| Input.normalizeQuery = function(str) { |
| return (str || "").replace(/^\s*/g, "").replace(/\s{2,}/g, " "); |
| }; |
| _.mixin(Input.prototype, EventEmitter, { |
| _onBlur: function onBlur() { |
| this.resetInputValue(); |
| this.trigger("blurred"); |
| }, |
| _onFocus: function onFocus() { |
| 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._checkInputValue(); |
| }, |
| _managePreventDefault: function managePreventDefault(keyName, $e) { |
| var preventDefault, hintValue, inputValue; |
| switch (keyName) { |
| case "tab": |
| hintValue = this.getHint(); |
| inputValue = this.getInputValue(); |
| preventDefault = hintValue && hintValue !== inputValue && !withModifier($e); |
| break; |
| |
| 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; |
| }, |
| _checkInputValue: function checkInputValue() { |
| var inputValue, areEquivalent, hasDifferentWhitespace; |
| inputValue = this.getInputValue(); |
| areEquivalent = areQueriesEquivalent(inputValue, this.query); |
| hasDifferentWhitespace = areEquivalent ? this.query.length !== inputValue.length : false; |
| this.query = inputValue; |
| if (!areEquivalent) { |
| this.trigger("queryChanged", this.query); |
| } else if (hasDifferentWhitespace) { |
| this.trigger("whitespaceChanged", this.query); |
| } |
| }, |
| focus: function focus() { |
| this.$input.focus(); |
| }, |
| blur: function blur() { |
| this.$input.blur(); |
| }, |
| getQuery: function getQuery() { |
| return this.query; |
| }, |
| setQuery: function setQuery(query) { |
| this.query = query; |
| }, |
| getInputValue: function getInputValue() { |
| return this.$input.val(); |
| }, |
| setInputValue: function setInputValue(value, silent) { |
| this.$input.val(value); |
| silent ? this.clearHint() : this._checkInputValue(); |
| }, |
| resetInputValue: function resetInputValue() { |
| this.setInputValue(this.query, true); |
| }, |
| 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(); |
| }, |
| getLanguageDirection: function getLanguageDirection() { |
| return (this.$input.css("direction") || "ltr").toLowerCase(); |
| }, |
| hasOverflow: function hasOverflow() { |
| var constraint = this.$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.$hint = this.$input = this.$overflowHelper = null; |
| } |
| }); |
| return Input; |
| function buildOverflowHelper($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 datasetKey = "ttDataset", valueKey = "ttValue", datumKey = "ttDatum"; |
| function Dataset(o) { |
| o = o || {}; |
| o.templates = o.templates || {}; |
| if (!o.source) { |
| $.error("missing source"); |
| } |
| if (o.name && !isValidName(o.name)) { |
| $.error("invalid dataset name: " + o.name); |
| } |
| this.query = null; |
| this.highlight = !!o.highlight; |
| this.name = o.name || _.getUniqueId(); |
| this.source = o.source; |
| this.displayFn = getDisplayFn(o.display || o.displayKey); |
| this.templates = getTemplates(o.templates, this.displayFn); |
| this.$el = $(html.dataset.replace("%CLASS%", this.name)); |
| } |
| Dataset.extractDatasetName = function extractDatasetName(el) { |
| return $(el).data(datasetKey); |
| }; |
| Dataset.extractValue = function extractDatum(el) { |
| return $(el).data(valueKey); |
| }; |
| Dataset.extractDatum = function extractDatum(el) { |
| return $(el).data(datumKey); |
| }; |
| _.mixin(Dataset.prototype, EventEmitter, { |
| _render: function render(query, suggestions) { |
| if (!this.$el) { |
| return; |
| } |
| var that = this, hasSuggestions; |
| this.$el.empty(); |
| hasSuggestions = suggestions && suggestions.length; |
| if (!hasSuggestions && this.templates.empty) { |
| this.$el.html(getEmptyHtml()).prepend(that.templates.header ? getHeaderHtml() : null).append(that.templates.footer ? getFooterHtml() : null); |
| } else if (hasSuggestions) { |
| this.$el.html(getSuggestionsHtml()).prepend(that.templates.header ? getHeaderHtml() : null).append(that.templates.footer ? getFooterHtml() : null); |
| } |
| this.trigger("rendered"); |
| function getEmptyHtml() { |
| return that.templates.empty({ |
| query: query, |
| isEmpty: true |
| }); |
| } |
| function getSuggestionsHtml() { |
| var $suggestions, nodes; |
| $suggestions = $(html.suggestions).css(css.suggestions); |
| nodes = _.map(suggestions, getSuggestionNode); |
| $suggestions.append.apply($suggestions, nodes); |
| that.highlight && highlight({ |
| className: "tt-highlight", |
| node: $suggestions[0], |
| pattern: query |
| }); |
| return $suggestions; |
| function getSuggestionNode(suggestion) { |
| var $el; |
| $el = $(html.suggestion).append(that.templates.suggestion(suggestion)).data(datasetKey, that.name).data(valueKey, that.displayFn(suggestion)).data(datumKey, suggestion); |
| $el.children().each(function() { |
| $(this).css(css.suggestionChild); |
| }); |
| return $el; |
| } |
| } |
| function getHeaderHtml() { |
| return that.templates.header({ |
| query: query, |
| isEmpty: !hasSuggestions |
| }); |
| } |
| function getFooterHtml() { |
| return that.templates.footer({ |
| query: query, |
| isEmpty: !hasSuggestions |
| }); |
| } |
| }, |
| getRoot: function getRoot() { |
| return this.$el; |
| }, |
| update: function update(query) { |
| var that = this; |
| this.query = query; |
| this.canceled = false; |
| this.source(query, render); |
| function render(suggestions) { |
| if (!that.canceled && query === that.query) { |
| that._render(query, suggestions); |
| } |
| } |
| }, |
| cancel: function cancel() { |
| this.canceled = true; |
| }, |
| clear: function clear() { |
| this.cancel(); |
| this.$el.empty(); |
| this.trigger("rendered"); |
| }, |
| isEmpty: function isEmpty() { |
| return this.$el.is(":empty"); |
| }, |
| destroy: function destroy() { |
| this.$el = null; |
| } |
| }); |
| return Dataset; |
| function getDisplayFn(display) { |
| display = display || "value"; |
| return _.isFunction(display) ? display : displayFn; |
| function displayFn(obj) { |
| return obj[display]; |
| } |
| } |
| function getTemplates(templates, displayFn) { |
| return { |
| empty: templates.empty && _.templatify(templates.empty), |
| header: templates.header && _.templatify(templates.header), |
| footer: templates.footer && _.templatify(templates.footer), |
| suggestion: templates.suggestion || suggestionTemplate |
| }; |
| function suggestionTemplate(context) { |
| return "<p>" + displayFn(context) + "</p>"; |
| } |
| } |
| function isValidName(str) { |
| return /^[_a-zA-Z0-9-]+$/.test(str); |
| } |
| }(); |
| var Dropdown = function() { |
| "use strict"; |
| function Dropdown(o) { |
| var that = this, onSuggestionClick, onSuggestionMouseEnter, onSuggestionMouseLeave; |
| o = o || {}; |
| if (!o.menu) { |
| $.error("menu is required"); |
| } |
| this.isOpen = false; |
| this.isEmpty = true; |
| this.datasets = _.map(o.datasets, initializeDataset); |
| onSuggestionClick = _.bind(this._onSuggestionClick, this); |
| onSuggestionMouseEnter = _.bind(this._onSuggestionMouseEnter, this); |
| onSuggestionMouseLeave = _.bind(this._onSuggestionMouseLeave, this); |
| this.$menu = $(o.menu).on("click.tt", ".tt-suggestion", onSuggestionClick).on("mouseenter.tt", ".tt-suggestion", onSuggestionMouseEnter).on("mouseleave.tt", ".tt-suggestion", onSuggestionMouseLeave); |
| _.each(this.datasets, function(dataset) { |
| that.$menu.append(dataset.getRoot()); |
| dataset.onSync("rendered", that._onRendered, that); |
| }); |
| } |
| _.mixin(Dropdown.prototype, EventEmitter, { |
| _onSuggestionClick: function onSuggestionClick($e) { |
| this.trigger("suggestionClicked", $($e.currentTarget)); |
| }, |
| _onSuggestionMouseEnter: function onSuggestionMouseEnter($e) { |
| this._removeCursor(); |
| this._setCursor($($e.currentTarget), true); |
| }, |
| _onSuggestionMouseLeave: function onSuggestionMouseLeave() { |
| this._removeCursor(); |
| }, |
| _onRendered: function onRendered() { |
| this.isEmpty = _.every(this.datasets, isDatasetEmpty); |
| this.isEmpty ? this._hide() : this.isOpen && this._show(); |
| this.trigger("datasetRendered"); |
| function isDatasetEmpty(dataset) { |
| return dataset.isEmpty(); |
| } |
| }, |
| _hide: function() { |
| this.$menu.hide(); |
| }, |
| _show: function() { |
| this.$menu.css("display", "block"); |
| }, |
| _getSuggestions: function getSuggestions() { |
| return this.$menu.find(".tt-suggestion"); |
| }, |
| _getCursor: function getCursor() { |
| return this.$menu.find(".tt-cursor").first(); |
| }, |
| _setCursor: function setCursor($el, silent) { |
| $el.first().addClass("tt-cursor"); |
| !silent && this.trigger("cursorMoved"); |
| }, |
| _removeCursor: function removeCursor() { |
| this._getCursor().removeClass("tt-cursor"); |
| }, |
| _moveCursor: function moveCursor(increment) { |
| var $suggestions, $oldCursor, newCursorIndex, $newCursor; |
| if (!this.isOpen) { |
| return; |
| } |
| $oldCursor = this._getCursor(); |
| $suggestions = this._getSuggestions(); |
| this._removeCursor(); |
| newCursorIndex = $suggestions.index($oldCursor) + increment; |
| newCursorIndex = (newCursorIndex + 1) % ($suggestions.length + 1) - 1; |
| if (newCursorIndex === -1) { |
| this.trigger("cursorRemoved"); |
| return; |
| } else if (newCursorIndex < -1) { |
| newCursorIndex = $suggestions.length - 1; |
| } |
| this._setCursor($newCursor = $suggestions.eq(newCursorIndex)); |
| this._ensureVisible($newCursor); |
| }, |
| _ensureVisible: function ensureVisible($el) { |
| var elTop, elBottom, menuScrollTop, menuHeight; |
| elTop = $el.position().top; |
| elBottom = elTop + $el.outerHeight(true); |
| menuScrollTop = this.$menu.scrollTop(); |
| menuHeight = this.$menu.height() + parseInt(this.$menu.css("paddingTop"), 10) + parseInt(this.$menu.css("paddingBottom"), 10); |
| if (elTop < 0) { |
| this.$menu.scrollTop(menuScrollTop + elTop); |
| } else if (menuHeight < elBottom) { |
| this.$menu.scrollTop(menuScrollTop + (elBottom - menuHeight)); |
| } |
| }, |
| close: function close() { |
| if (this.isOpen) { |
| this.isOpen = false; |
| this._removeCursor(); |
| this._hide(); |
| this.trigger("closed"); |
| } |
| }, |
| open: function open() { |
| if (!this.isOpen) { |
| this.isOpen = true; |
| !this.isEmpty && this._show(); |
| this.trigger("opened"); |
| } |
| }, |
| setLanguageDirection: function setLanguageDirection(dir) { |
| this.$menu.css(dir === "ltr" ? css.ltr : css.rtl); |
| }, |
| moveCursorUp: function moveCursorUp() { |
| this._moveCursor(-1); |
| }, |
| moveCursorDown: function moveCursorDown() { |
| this._moveCursor(+1); |
| }, |
| getDatumForSuggestion: function getDatumForSuggestion($el) { |
| var datum = null; |
| if ($el.length) { |
| datum = { |
| raw: Dataset.extractDatum($el), |
| value: Dataset.extractValue($el), |
| datasetName: Dataset.extractDatasetName($el) |
| }; |
| } |
| return datum; |
| }, |
| getDatumForCursor: function getDatumForCursor() { |
| return this.getDatumForSuggestion(this._getCursor().first()); |
| }, |
| getDatumForTopSuggestion: function getDatumForTopSuggestion() { |
| return this.getDatumForSuggestion(this._getSuggestions().first()); |
| }, |
| update: function update(query) { |
| _.each(this.datasets, updateDataset); |
| function updateDataset(dataset) { |
| dataset.update(query); |
| } |
| }, |
| empty: function empty() { |
| _.each(this.datasets, clearDataset); |
| this.isEmpty = true; |
| function clearDataset(dataset) { |
| dataset.clear(); |
| } |
| }, |
| isVisible: function isVisible() { |
| return this.isOpen && !this.isEmpty; |
| }, |
| destroy: function destroy() { |
| this.$menu.off(".tt"); |
| this.$menu = null; |
| _.each(this.datasets, destroyDataset); |
| function destroyDataset(dataset) { |
| dataset.destroy(); |
| } |
| } |
| }); |
| return Dropdown; |
| function initializeDataset(oDataset) { |
| return new Dataset(oDataset); |
| } |
| }(); |
| var Typeahead = function() { |
| "use strict"; |
| var attrsKey = "ttAttrs"; |
| function Typeahead(o) { |
| var $menu, $input, $hint; |
| o = o || {}; |
| if (!o.input) { |
| $.error("missing input"); |
| } |
| this.isActivated = false; |
| this.autoselect = !!o.autoselect; |
| this.minLength = _.isNumber(o.minLength) ? o.minLength : 1; |
| this.$node = buildDom(o.input, o.withHint); |
| $menu = this.$node.find(".tt-dropdown-menu"); |
| $input = this.$node.find(".tt-input"); |
| $hint = this.$node.find(".tt-hint"); |
| $input.on("blur.tt", function($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(); |
| }); |
| this.eventBus = o.eventBus || new EventBus({ |
| el: $input |
| }); |
| this.dropdown = new Dropdown({ |
| menu: $menu, |
| datasets: o.datasets |
| }).onSync("suggestionClicked", this._onSuggestionClicked, this).onSync("cursorMoved", this._onCursorMoved, this).onSync("cursorRemoved", this._onCursorRemoved, this).onSync("opened", this._onOpened, this).onSync("closed", this._onClosed, this).onAsync("datasetRendered", this._onDatasetRendered, this); |
| this.input = new Input({ |
| input: $input, |
| hint: $hint |
| }).onSync("focused", this._onFocused, this).onSync("blurred", this._onBlurred, this).onSync("enterKeyed", this._onEnterKeyed, this).onSync("tabKeyed", this._onTabKeyed, this).onSync("escKeyed", this._onEscKeyed, this).onSync("upKeyed", this._onUpKeyed, this).onSync("downKeyed", this._onDownKeyed, this).onSync("leftKeyed", this._onLeftKeyed, this).onSync("rightKeyed", this._onRightKeyed, this).onSync("queryChanged", this._onQueryChanged, this).onSync("whitespaceChanged", this._onWhitespaceChanged, this); |
| this._setLanguageDirection(); |
| } |
| _.mixin(Typeahead.prototype, { |
| _onSuggestionClicked: function onSuggestionClicked(type, $el) { |
| var datum; |
| if (datum = this.dropdown.getDatumForSuggestion($el)) { |
| this._select(datum); |
| } |
| }, |
| _onCursorMoved: function onCursorMoved() { |
| var datum = this.dropdown.getDatumForCursor(); |
| this.input.setInputValue(datum.value, true); |
| this.eventBus.trigger("cursorchanged", datum.raw, datum.datasetName); |
| }, |
| _onCursorRemoved: function onCursorRemoved() { |
| this.input.resetInputValue(); |
| this._updateHint(); |
| }, |
| _onDatasetRendered: function onDatasetRendered() { |
| this._updateHint(); |
| }, |
| _onOpened: function onOpened() { |
| this._updateHint(); |
| this.eventBus.trigger("opened"); |
| }, |
| _onClosed: function onClosed() { |
| this.input.clearHint(); |
| this.eventBus.trigger("closed"); |
| }, |
| _onFocused: function onFocused() { |
| this.isActivated = true; |
| this.dropdown.open(); |
| }, |
| _onBlurred: function onBlurred() { |
| this.isActivated = false; |
| this.dropdown.empty(); |
| this.dropdown.close(); |
| }, |
| _onEnterKeyed: function onEnterKeyed(type, $e) { |
| var cursorDatum, topSuggestionDatum; |
| cursorDatum = this.dropdown.getDatumForCursor(); |
| topSuggestionDatum = this.dropdown.getDatumForTopSuggestion(); |
| if (cursorDatum) { |
| this._select(cursorDatum); |
| $e.preventDefault(); |
| } else if (this.autoselect && topSuggestionDatum) { |
| this._select(topSuggestionDatum); |
| $e.preventDefault(); |
| } |
| }, |
| _onTabKeyed: function onTabKeyed(type, $e) { |
| var datum; |
| if (datum = this.dropdown.getDatumForCursor()) { |
| this._select(datum); |
| $e.preventDefault(); |
| } else { |
| this._autocomplete(true); |
| } |
| }, |
| _onEscKeyed: function onEscKeyed() { |
| this.dropdown.close(); |
| this.input.resetInputValue(); |
| }, |
| _onUpKeyed: function onUpKeyed() { |
| var query = this.input.getQuery(); |
| this.dropdown.isEmpty && query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.moveCursorUp(); |
| this.dropdown.open(); |
| }, |
| _onDownKeyed: function onDownKeyed() { |
| var query = this.input.getQuery(); |
| this.dropdown.isEmpty && query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.moveCursorDown(); |
| this.dropdown.open(); |
| }, |
| _onLeftKeyed: function onLeftKeyed() { |
| this.dir === "rtl" && this._autocomplete(); |
| }, |
| _onRightKeyed: function onRightKeyed() { |
| this.dir === "ltr" && this._autocomplete(); |
| }, |
| _onQueryChanged: function onQueryChanged(e, query) { |
| this.input.clearHintIfInvalid(); |
| query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.empty(); |
| this.dropdown.open(); |
| this._setLanguageDirection(); |
| }, |
| _onWhitespaceChanged: function onWhitespaceChanged() { |
| this._updateHint(); |
| this.dropdown.open(); |
| }, |
| _setLanguageDirection: function setLanguageDirection() { |
| var dir; |
| if (this.dir !== (dir = this.input.getLanguageDirection())) { |
| this.dir = dir; |
| this.$node.css("direction", dir); |
| this.dropdown.setLanguageDirection(dir); |
| } |
| }, |
| _updateHint: function updateHint() { |
| var datum, val, query, escapedQuery, frontMatchRegEx, match; |
| datum = this.dropdown.getDatumForTopSuggestion(); |
| if (datum && this.dropdown.isVisible() && !this.input.hasOverflow()) { |
| val = this.input.getInputValue(); |
| query = Input.normalizeQuery(val); |
| escapedQuery = _.escapeRegExChars(query); |
| frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.+$)", "i"); |
| match = frontMatchRegEx.exec(datum.value); |
| match ? this.input.setHint(val + match[1]) : this.input.clearHint(); |
| } else { |
| this.input.clearHint(); |
| } |
| }, |
| _autocomplete: function autocomplete(laxCursor) { |
| var hint, query, isCursorAtEnd, datum; |
| hint = this.input.getHint(); |
| query = this.input.getQuery(); |
| isCursorAtEnd = laxCursor || this.input.isCursorAtEnd(); |
| if (hint && query !== hint && isCursorAtEnd) { |
| datum = this.dropdown.getDatumForTopSuggestion(); |
| datum && this.input.setInputValue(datum.value); |
| this.eventBus.trigger("autocompleted", datum.raw, datum.datasetName); |
| } |
| }, |
| _select: function select(datum) { |
| this.input.setQuery(datum.value); |
| this.input.setInputValue(datum.value, true); |
| this._setLanguageDirection(); |
| this.eventBus.trigger("selected", datum.raw, datum.datasetName); |
| this.dropdown.close(); |
| _.defer(_.bind(this.dropdown.empty, this.dropdown)); |
| }, |
| open: function open() { |
| this.dropdown.open(); |
| }, |
| close: function close() { |
| this.dropdown.close(); |
| }, |
| setVal: function setVal(val) { |
| val = _.toStr(val); |
| if (this.isActivated) { |
| this.input.setInputValue(val); |
| } else { |
| this.input.setQuery(val); |
| this.input.setInputValue(val, true); |
| } |
| this._setLanguageDirection(); |
| }, |
| getVal: function getVal() { |
| return this.input.getQuery(); |
| }, |
| destroy: function destroy() { |
| this.input.destroy(); |
| this.dropdown.destroy(); |
| destroyDomStructure(this.$node); |
| this.$node = null; |
| } |
| }); |
| return Typeahead; |
| function buildDom(input, withHint) { |
| var $input, $wrapper, $dropdown, $hint; |
| $input = $(input); |
| $wrapper = $(html.wrapper).css(css.wrapper); |
| $dropdown = $(html.dropdown).css(css.dropdown); |
| $hint = $input.clone().css(css.hint).css(getBackgroundStyles($input)); |
| $hint.val("").removeData().addClass("tt-hint").removeAttr("id name placeholder required").prop("readonly", true).attr({ |
| autocomplete: "off", |
| spellcheck: "false", |
| tabindex: -1 |
| }); |
| $input.data(attrsKey, { |
| dir: $input.attr("dir"), |
| autocomplete: $input.attr("autocomplete"), |
| spellcheck: $input.attr("spellcheck"), |
| style: $input.attr("style") |
| }); |
| $input.addClass("tt-input").attr({ |
| autocomplete: "off", |
| spellcheck: false |
| }).css(withHint ? css.input : css.inputWithNoHint); |
| try { |
| !$input.attr("dir") && $input.attr("dir", "auto"); |
| } catch (e) {} |
| return $input.wrap($wrapper).parent().prepend(withHint ? $hint : null).append($dropdown); |
| } |
| 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: $el.css("background-size") |
| }; |
| } |
| function destroyDomStructure($node) { |
| var $input = $node.find(".tt-input"); |
| _.each($input.data(attrsKey), function(val, key) { |
| _.isUndefined(val) ? $input.removeAttr(key) : $input.attr(key, val); |
| }); |
| $input.detach().removeData(attrsKey).removeClass("tt-input").insertAfter($node); |
| $node.remove(); |
| } |
| }(); |
| (function() { |
| "use strict"; |
| var old, typeaheadKey, methods; |
| old = $.fn.typeahead; |
| typeaheadKey = "ttTypeahead"; |
| methods = { |
| initialize: function initialize(o, datasets) { |
| datasets = _.isArray(datasets) ? datasets : [].slice.call(arguments, 1); |
| o = o || {}; |
| return this.each(attach); |
| function attach() { |
| var $input = $(this), eventBus, typeahead; |
| _.each(datasets, function(d) { |
| d.highlight = !!o.highlight; |
| }); |
| typeahead = new Typeahead({ |
| input: $input, |
| eventBus: eventBus = new EventBus({ |
| el: $input |
| }), |
| withHint: _.isUndefined(o.hint) ? true : !!o.hint, |
| minLength: o.minLength, |
| autoselect: o.autoselect, |
| datasets: datasets |
| }); |
| $input.data(typeaheadKey, typeahead); |
| } |
| }, |
| open: function open() { |
| return this.each(openTypeahead); |
| function openTypeahead() { |
| var $input = $(this), typeahead; |
| if (typeahead = $input.data(typeaheadKey)) { |
| typeahead.open(); |
| } |
| } |
| }, |
| close: function close() { |
| return this.each(closeTypeahead); |
| function closeTypeahead() { |
| var $input = $(this), typeahead; |
| if (typeahead = $input.data(typeaheadKey)) { |
| typeahead.close(); |
| } |
| } |
| }, |
| val: function val(newVal) { |
| return !arguments.length ? getVal(this.first()) : this.each(setVal); |
| function setVal() { |
| var $input = $(this), typeahead; |
| if (typeahead = $input.data(typeaheadKey)) { |
| typeahead.setVal(newVal); |
| } |
| } |
| function getVal($input) { |
| var typeahead, query; |
| if (typeahead = $input.data(typeaheadKey)) { |
| query = typeahead.getVal(); |
| } |
| return query; |
| } |
| }, |
| destroy: function destroy() { |
| return this.each(unattach); |
| function unattach() { |
| var $input = $(this), typeahead; |
| if (typeahead = $input.data(typeaheadKey)) { |
| typeahead.destroy(); |
| $input.removeData(typeaheadKey); |
| } |
| } |
| } |
| }; |
| $.fn.typeahead = function(method) { |
| var tts; |
| if (methods[method] && method !== "initialize") { |
| tts = this.filter(function() { |
| return !!$(this).data(typeaheadKey); |
| }); |
| return methods[method].apply(tts, [].slice.call(arguments, 1)); |
| } else { |
| return methods.initialize.apply(this, arguments); |
| } |
| }; |
| $.fn.typeahead.noConflict = function noConflict() { |
| $.fn.typeahead = old; |
| return this; |
| }; |
| })(); |
| })(window.jQuery); |
