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File: bootstrap/tagsinput/typeahead.bundle.js

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File: bootstrap/tagsinput/typeahead.bundle.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Noblesse CMS
Content management system with custom plugins
Author: By
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Date: 8 years ago
Size: 71,417 bytes
 

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/*! * 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", 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);