--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/jquery-typeahead.js Thu Feb 19 10:59:00 2015 +0100
@@ -0,0 +1,1685 @@
+/*!
+ * typeahead.js 0.10.0
+ * https://github.com/twitter/typeahead.js
+ * Copyright 2013 Twitter, Inc. and other contributors; Licensed MIT
+ */
+
+(function ($) {
+ var _ = {
+ isMsie: function () {
+ return /(msie|trident)/i.test(navigator.userAgent) ? navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2] : false;
+ },
+ isBlankString: function (str) {
+ return !str || /^\s*$/.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";
+ },
+ 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 = "0.10.0";
+ var LruCache = function (root, undefined) {
+ function LruCache(maxSize) {
+ this.maxSize = maxSize || 100;
+ this.size = 0;
+ this.hash = {};
+ this.list = new List();
+ }
+
+ _.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;
+ }
+ }
+ });
+ 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;
+ }(this);
+ var PersistentStorage = function () {
+ 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("^" + 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 () {
+ var pendingRequestsCount = 0, pendingRequests = {}, maxPendingRequests = 6, requestCache = new LruCache(10);
+
+ function Transport(o) {
+ o = o || {};
+ this._send = o.send ? callbackToDeferred(o.send) : $.ajax;
+ this._get = o.rateLimiter ? o.rateLimiter(this._get) : this._get;
+ }
+
+ Transport.setMaxPendingRequests = function setMaxPendingRequests(num) {
+ maxPendingRequests = num;
+ };
+ Transport.resetCache = function clearCache() {
+ requestCache = new LruCache(10);
+ };
+ _.mixin(Transport.prototype, {
+ _get: function (url, o, cb) {
+ var that = this, jqXhr;
+ if (jqXhr = pendingRequests[url]) {
+ jqXhr.done(done);
+ } else if (pendingRequestsCount < maxPendingRequests) {
+ pendingRequestsCount++;
+ pendingRequests[url] = this._send(url, o).done(done).always(always);
+ } else {
+ this.onDeckRequestArgs = [].slice.call(arguments, 0);
+ }
+ function done(resp) {
+ cb && cb(resp);
+ requestCache.set(url, resp);
+ }
+
+ function always() {
+ pendingRequestsCount--;
+ delete pendingRequests[url];
+ if (that.onDeckRequestArgs) {
+ that._get.apply(that, that.onDeckRequestArgs);
+ that.onDeckRequestArgs = null;
+ }
+ }
+ },
+ get: function (url, o, cb) {
+ var that = this, resp;
+ if (_.isFunction(o)) {
+ cb = o;
+ o = {};
+ }
+ if (resp = requestCache.get(url)) {
+ _.defer(function () {
+ cb && cb(resp);
+ });
+ } else {
+ this._get(url, o, cb);
+ }
+ return !!resp;
+ }
+ });
+ 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 () {
+ 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.datums = [];
+ this.trie = newNode();
+ }
+
+ _.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, ids;
+ 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];
+ }) : [];
+ },
+ 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; i < array.length; 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);
+ while (ai < arrayA.length && bi < arrayB.length) {
+ 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 () {
+ 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.method = prefetch.ajax.method || "get";
+ prefetch.ajax.dataType = prefetch.ajax.dataType || "json";
+ !prefetch.url && $.error("prefetch requires url to be set");
+ }
+ return prefetch;
+ }
+
+ function getRemote(o) {
+ var remote, defaults;
+ defaults = {
+ url: null,
+ wildcard: "%QUERY",
+ replace: null,
+ rateLimitBy: "debounce",
+ rateLimitWait: 300,
+ send: null,
+ filter: null,
+ ajax: {}
+ };
+ if (remote = o.remote || null) {
+ remote = _.isString(remote) ? {
+ url: remote
+ } : remote;
+ remote = _.mixin(defaults, remote);
+ remote.rateLimiter = /^throttle$/i.test(remote.rateLimitBy) ? byThrottle(remote.rateLimitWait) : byDebounce(remote.rateLimitWait);
+ remote.ajax.method = remote.ajax.method || "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);
+ };
+ }
+ }
+ }();
+ var Bloodhound = window.Bloodhound = function () {
+ var keys;
+ keys = {
+ data: "data",
+ protocol: "protocol",
+ thumbprint: "thumbprint"
+ };
+ 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 = o.sorter || noSort;
+ 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.tokenizers = {
+ whitespace: function whitespaceTokenizer(s) {
+ return s.split(/\s+/);
+ },
+ nonword: function nonwordTokenizer(s) {
+ return s.split(/\W+/);
+ }
+ };
+ _.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) {
+ var filtered;
+ filtered = o.filter ? o.filter(resp) : resp;
+ that.add(filtered);
+ that._saveToStorage(that.index.serialize(), o.thumbprint, o.ttl);
+ }
+ },
+ _getFromRemote: function getFromRemote(query, cb) {
+ var that = this, url, uriEncodedQuery;
+ 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(resp) {
+ var filtered = that.remote.filter ? that.remote.filter(resp) : resp;
+ cb(filtered);
+ }
+ },
+ _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 = {};
+ 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, deferred;
+ deferred = this.prefetch ? this._loadPrefetch(this.prefetch) : $.Deferred().resolve();
+ this.local && deferred.done(addLocalToIndex);
+ this.transport = this.remote ? new Transport(this.remote) : null;
+ this.initialize = function initialize() {
+ return deferred.promise();
+ };
+ return deferred.promise();
+ function addLocalToIndex() {
+ that.add(that.local);
+ }
+ },
+ add: function add(data) {
+ this.index.add(data);
+ },
+ get: function get(query, cb) {
+ var that = this, matches, cacheHit = false;
+ matches = this.index.get(query).sort(this.sorter).slice(0, this.limit);
+ if (matches.length < this.limit && this.transport) {
+ cacheHit = this._getFromRemote(query, returnRemoteMatches);
+ }
+ !cacheHit && 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(matchesWithBackfill.sort(that.sorter));
+ }
+ },
+ ttAdapter: function ttAdapter() {
+ return _.bind(this.get, this);
+ }
+ });
+ return Bloodhound;
+ function noSort() {
+ return 0;
+ }
+
+ function ignoreDuplicates() {
+ return false;
+ }
+ }();
+ var html = {
+ 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">%BODY%</div>'
+ };
+ var css = {
+ wrapper: {
+ position: "relative",
+ display: "inline-block"
+ },
+ hint: {
+ position: "absolute",
+ top: "0",
+ left: "0",
+ borderColor: "transparent",
+ boxShadow: "none"
+ },
+ 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"
+ });
+ }
+ var EventBus = function () {
+ 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 () {
+ 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 that = this, 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; !cancelled && i < callbacks.length; i += 1) {
+ cancelled = callbacks[i].apply(context, args) === false;
+ }
+ return !cancelled;
+ }
+ }
+
+ function getNextTick() {
+ var nextTickFn, messageChannel;
+ 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) {
+ 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;
+ 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; i < patterns.length; 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 () {
+ 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.setHintValue = this.getHintValue = this.clearHint = _.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($e) {
+ this.resetInputValue();
+ this.trigger("blurred");
+ },
+ _onFocus: function onFocus($e) {
+ 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", $e);
+ }
+ },
+ _onInput: function onInput($e) {
+ this._checkInputValue();
+ },
+ _managePreventDefault: function managePreventDefault(keyName, $e) {
+ var preventDefault, hintValue, inputValue;
+ switch (keyName) {
+ case "tab":
+ hintValue = this.getHintValue();
+ inputValue = this.getInputValue();
+ preventDefault = hintValue && hintValue !== inputValue && !withModifier($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;
+ if (!areEquivalent) {
+ this.trigger("queryChanged", this.query = inputValue);
+ } 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._checkInputValue();
+ },
+ getHintValue: function getHintValue() {
+ return this.$hint.val();
+ },
+ setHintValue: function setHintValue(value) {
+ this.$hint.val(value);
+ },
+ resetInputValue: function resetInputValue() {
+ this.$input.val(this.query);
+ },
+ clearHint: function clearHint() {
+ this.$hint.val("");
+ },
+ 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: "nowrap",
+ 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 () {
+ var datasetKey = "ttDataset", valueKey = "ttValue", datumKey = "ttDatum";
+
+ function Dataset(o) {
+ o = o || {};
+ o.templates = o.templates || {};
+ if (!o.source) {
+ $.error("missing source");
+ }
+ this.query = null;
+ this.highlight = !!o.highlight;
+ this.name = o.name || _.getUniqueId();
+ this.source = o.source;
+ this.valueKey = o.displayKey || "value";
+ this.templates = getTemplates(o.templates, this.valueKey);
+ this.$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
+ });
+ }
+
+ function getSuggestionsHtml() {
+ var $suggestions;
+ $suggestions = $(html.suggestions).css(css.suggestions).append(_.map(suggestions, getSuggestionNode));
+ that.highlight && highlight({
+ node: $suggestions[0],
+ pattern: query
+ });
+ return $suggestions;
+ function getSuggestionNode(suggestion) {
+ var $el, innerHtml, outerHtml;
+ innerHtml = that.templates.suggestion(suggestion);
+ outerHtml = html.suggestion.replace("%BODY%", innerHtml);
+ $el = $(outerHtml).data(datasetKey, that.name).data(valueKey, suggestion[that.valueKey]).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.source(query, renderIfQueryIsSame);
+ function renderIfQueryIsSame(suggestions) {
+ query === that.query && that._render(query, suggestions);
+ }
+ },
+ clear: function clear() {
+ this._render(this.query || "");
+ },
+ isEmpty: function isEmpty() {
+ return this.$el.is(":empty");
+ },
+ destroy: function destroy() {
+ this.$el = null;
+ }
+ });
+ return Dataset;
+ function getTemplates(templates, valueKey) {
+ 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>" + context[valueKey] + "</p>";
+ }
+ }
+ }();
+ var Dropdown = function () {
+ function Dropdown(o) {
+ var that = this, onMouseEnter, onMouseLeave, onSuggestionClick, onSuggestionMouseEnter, onSuggestionMouseLeave;
+ o = o || {};
+ if (!o.menu) {
+ $.error("menu is required");
+ }
+ this.isOpen = false;
+ this.isEmpty = true;
+ this.isMouseOverDropdown = false;
+ this.datasets = _.map(o.datasets, initializeDataset);
+ onMouseEnter = _.bind(this._onMouseEnter, this);
+ onMouseLeave = _.bind(this._onMouseLeave, this);
+ onSuggestionClick = _.bind(this._onSuggestionClick, this);
+ onSuggestionMouseEnter = _.bind(this._onSuggestionMouseEnter, this);
+ onSuggestionMouseLeave = _.bind(this._onSuggestionMouseLeave, this);
+ this.$menu = $(o.menu).on("mouseenter.tt", onMouseEnter).on("mouseleave.tt", onMouseLeave).on("click.tt", ".tt-suggestion", onSuggestionClick).on("mouseenter.tt", ".tt-suggestion", onSuggestionMouseEnter).on("mouseleave.tt", ".tt-suggestion", onSuggestionMouseLeave);
+ _.each(this.datasets, function (dataset) {
+ that.$menu.append(dataset.getRoot());
+ dataset.onSync("rendered", that._onRendered, that);
+ });
+ }
+
+ _.mixin(Dropdown.prototype, EventEmitter, {
+ _onMouseEnter: function onMouseEnter($e) {
+ this.isMouseOverDropdown = true;
+ },
+ _onMouseLeave: function onMouseLeave($e) {
+ this.isMouseOverDropdown = false;
+ },
+ _onSuggestionClick: function onSuggestionClick($e) {
+ this.trigger("suggestionClicked", $($e.currentTarget));
+ },
+ _onSuggestionMouseEnter: function onSuggestionMouseEnter($e) {
+ this._removeCursor();
+ this._setCursor($($e.currentTarget), true);
+ },
+ _onSuggestionMouseLeave: function onSuggestionMouseLeave($e) {
+ 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.$menu.scrollTop(menuScrollTop + (elBottom - menuHeight));
+ }
+ },
+ close: function close() {
+ if (this.isOpen) {
+ this.isOpen = this.isMouseOverDropdown = false;
+ this._removeCursor();
+ this._hide();
+ this.trigger("closed");
+ }
+ },
+ open: function open() {
+ if (!this.isOpen) {
+ this.isOpen = true;
+ !this.isEmpty && this._show();
+ this.trigger("opened");
+ }
+ },
+ setLanguageDirection: function setLanguageDirection(dir) {
+ this.$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($el)
+ };
+ }
+ return datum;
+ },
+ getDatumForCursor: function getDatumForCursor() {
+ return this.getDatumForSuggestion(this._getCursor().first());
+ },
+ getDatumForTopSuggestion: function getDatumForTopSuggestion() {
+ return this.getDatumForSuggestion(this._getSuggestions().first());
+ },
+ update: function update(query) {
+ _.each(this.datasets, updateDataset);
+ function updateDataset(dataset) {
+ dataset.update(query);
+ }
+ },
+ empty: function empty() {
+ _.each(this.datasets, clearDataset);
+ function clearDataset(dataset) {
+ dataset.clear();
+ }
+ },
+ isVisible: function isVisible() {
+ return this.isOpen && !this.isEmpty;
+ },
+ destroy: function destroy() {
+ this.$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 () {
+ var attrsKey = "ttAttrs";
+
+ function Typeahead(o) {
+ var $menu, $input, $hint, datasets;
+ o = o || {};
+ if (!o.input) {
+ $.error("missing input");
+ }
+ this.autoselect = !!o.autoselect;
+ this.minLength = _.isNumber(o.minLength) ? o.minLength : 1;
+ this.$node = buildDomStructure(o.input, o.withHint);
+ $menu = this.$node.find(".tt-dropdown-menu");
+ $input = this.$node.find(".tt-input");
+ $hint = this.$node.find(".tt-hint");
+ 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);
+ $menu.on("mousedown.tt", function ($e) {
+ if (_.isMsie() && _.isMsie() < 9) {
+ $input[0].onbeforedeactivate = function () {
+ window.event.returnValue = false;
+ $input[0].onbeforedeactivate = null;
+ };
+ }
+ $e.preventDefault();
+ });
+ }
+
+ _.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.clearHint();
+ 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.dropdown.open();
+ },
+ _onBlurred: function onBlurred() {
+ !this.dropdown.isMouseOverDropdown && 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);
+ $e.preventDefault();
+ } else {
+ this._autocomplete();
+ }
+ },
+ _onEscKeyed: function onEscKeyed() {
+ this.dropdown.close();
+ this.input.resetInputValue();
+ },
+ _onUpKeyed: function onUpKeyed() {
+ var query = this.input.getQuery();
+ if (!this.dropdown.isOpen && query.length >= this.minLength) {
+ this.dropdown.update(query);
+ }
+ this.dropdown.open();
+ this.dropdown.moveCursorUp();
+ },
+ _onDownKeyed: function onDownKeyed() {
+ var query = this.input.getQuery();
+ if (!this.dropdown.isOpen && query.length >= this.minLength) {
+ this.dropdown.update(query);
+ }
+ this.dropdown.open();
+ this.dropdown.moveCursorDown();
+ },
+ _onLeftKeyed: function onLeftKeyed() {
+ this.dir === "rtl" && this._autocomplete();
+ },
+ _onRightKeyed: function onRightKeyed() {
+ this.dir === "ltr" && this._autocomplete();
+ },
+ _onQueryChanged: function onQueryChanged(e, query) {
+ this.input.clearHint();
+ this.dropdown.empty();
+ query.length >= this.minLength && this.dropdown.update(query);
+ this.dropdown.open();
+ this._setLanguageDirection();
+ },
+ _onWhitespaceChanged: function onWhitespaceChanged() {
+ this._updateHint();
+ this.dropdown.open();
+ },
+ _setLanguageDirection: function setLanguageDirection() {
+ var dir;
+ if (this.dir !== (dir = this.input.getLanguageDirection())) {
+ this.dir = dir;
+ this.$node.css("direction", dir);
+ this.dropdown.setLanguageDirection(dir);
+ }
+ },
+ _updateHint: function updateHint() {
+ var datum, inputValue, query, escapedQuery, frontMatchRegEx, match;
+ datum = this.dropdown.getDatumForTopSuggestion();
+ if (datum && this.dropdown.isVisible() && !this.input.hasOverflow()) {
+ inputValue = this.input.getInputValue();
+ query = Input.normalizeQuery(inputValue);
+ escapedQuery = _.escapeRegExChars(query);
+ frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.*$)", "i");
+ match = frontMatchRegEx.exec(datum.value);
+ this.input.setHintValue(inputValue + (match ? match[1] : ""));
+ }
+ },
+ _autocomplete: function autocomplete() {
+ var hint, query, datum;
+ hint = this.input.getHintValue();
+ query = this.input.getQuery();
+ if (hint && query !== hint && this.input.isCursorAtEnd()) {
+ datum = this.dropdown.getDatumForTopSuggestion();
+ datum && this.input.setInputValue(datum.value);
+ this.eventBus.trigger("autocompleted", datum.raw, datum.datasetName);
+ }
+ },
+ _select: function select(datum) {
+ this.input.clearHint();
+ this.input.setQuery(datum.value);
+ this.input.setInputValue(datum.value, true);
+ this.dropdown.empty();
+ this._setLanguageDirection();
+ _.defer(_.bind(this.dropdown.close, this.dropdown));
+ this.eventBus.trigger("selected", datum.raw, datum.datasetName);
+ },
+ open: function open() {
+ this.dropdown.open();
+ },
+ close: function close() {
+ this.dropdown.close();
+ },
+ getQuery: function getQuery() {
+ return this.input.getQuery();
+ },
+ setQuery: function setQuery(val) {
+ this.input.setInputValue(val);
+ },
+ destroy: function destroy() {
+ this.input.destroy();
+ this.dropdown.destroy();
+ destroyDomStructure(this.$node);
+ this.$node = null;
+ }
+ });
+ return Typeahead;
+ function buildDomStructure(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.removeData().addClass("tt-hint").removeAttr("id name placeholder").prop("disabled", true).attr({
+ autocomplete: "off",
+ spellcheck: "false"
+ });
+ $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 () {
+ var typeaheadKey, methods;
+ typeaheadKey = "ttTypeahead";
+ methods = {
+ initialize: function initialize(o) {
+ var 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);
+ function trigger(eventName) {
+ return function () {
+ _.defer(function () {
+ eventBus.trigger(eventName);
+ });
+ };
+ }
+ }
+ },
+ 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 _.isString(newVal) ? this.each(setQuery) : this.map(getQuery).get();
+ function setQuery() {
+ var $input = $(this), typeahead;
+ if (typeahead = $input.data(typeaheadKey)) {
+ typeahead.setQuery(newVal);
+ }
+ }
+
+ function getQuery() {
+ var $input = $(this), typeahead, query;
+ if (typeahead = $input.data(typeaheadKey)) {
+ query = typeahead.getQuery();
+ }
+ 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);
+ }
+ }
+ }
+ };
+ jQuery.fn.typeahead = function (method) {
+ if (methods[method]) {
+ return methods[method].apply(this, [].slice.call(arguments, 1));
+ } else {
+ return methods.initialize.apply(this, arguments);
+ }
+ };
+ })();
+})(window.jQuery);
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