Files: 10a7a977e04c3ef63a929100bbfc05b280cacd8c / javascripts / typeahead.bundle.js
71417 bytesRaw
| 1 | /*! |
| 2 | * typeahead.js 0.10.5 |
| 3 | * https://github.com/twitter/typeahead.js |
| 4 | * Copyright 2013-2014 Twitter, Inc. and other contributors; Licensed MIT |
| 5 | */ |
| 6 | |
| 7 | (function($) { |
| 8 | var _ = function() { |
| 9 | ; |
| 10 | return { |
| 11 | isMsie: function() { |
| 12 | return /(msie|trident)/i.test(navigator.userAgent) ? navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2] : false; |
| 13 | }, |
| 14 | isBlankString: function(str) { |
| 15 | return !str || /^\s*$/.test(str); |
| 16 | }, |
| 17 | escapeRegExChars: function(str) { |
| 18 | return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"); |
| 19 | }, |
| 20 | isString: function(obj) { |
| 21 | return typeof obj === "string"; |
| 22 | }, |
| 23 | isNumber: function(obj) { |
| 24 | return typeof obj === "number"; |
| 25 | }, |
| 26 | isArray: $.isArray, |
| 27 | isFunction: $.isFunction, |
| 28 | isObject: $.isPlainObject, |
| 29 | isUndefined: function(obj) { |
| 30 | return typeof obj === "undefined"; |
| 31 | }, |
| 32 | toStr: function toStr(s) { |
| 33 | return _.isUndefined(s) || s === null ? "" : s + ""; |
| 34 | }, |
| 35 | bind: $.proxy, |
| 36 | each: function(collection, cb) { |
| 37 | $.each(collection, reverseArgs); |
| 38 | function reverseArgs(index, value) { |
| 39 | return cb(value, index); |
| 40 | } |
| 41 | }, |
| 42 | map: $.map, |
| 43 | filter: $.grep, |
| 44 | every: function(obj, test) { |
| 45 | var result = true; |
| 46 | if (!obj) { |
| 47 | return result; |
| 48 | } |
| 49 | $.each(obj, function(key, val) { |
| 50 | if (!(result = test.call(null, val, key, obj))) { |
| 51 | return false; |
| 52 | } |
| 53 | }); |
| 54 | return !!result; |
| 55 | }, |
| 56 | some: function(obj, test) { |
| 57 | var result = false; |
| 58 | if (!obj) { |
| 59 | return result; |
| 60 | } |
| 61 | $.each(obj, function(key, val) { |
| 62 | if (result = test.call(null, val, key, obj)) { |
| 63 | return false; |
| 64 | } |
| 65 | }); |
| 66 | return !!result; |
| 67 | }, |
| 68 | mixin: $.extend, |
| 69 | getUniqueId: function() { |
| 70 | var counter = 0; |
| 71 | return function() { |
| 72 | return counter++; |
| 73 | }; |
| 74 | }(), |
| 75 | templatify: function templatify(obj) { |
| 76 | return $.isFunction(obj) ? obj : template; |
| 77 | function template() { |
| 78 | return String(obj); |
| 79 | } |
| 80 | }, |
| 81 | defer: function(fn) { |
| 82 | setTimeout(fn, 0); |
| 83 | }, |
| 84 | debounce: function(func, wait, immediate) { |
| 85 | var timeout, result; |
| 86 | return function() { |
| 87 | var context = this, args = arguments, later, callNow; |
| 88 | later = function() { |
| 89 | timeout = null; |
| 90 | if (!immediate) { |
| 91 | result = func.apply(context, args); |
| 92 | } |
| 93 | }; |
| 94 | callNow = immediate && !timeout; |
| 95 | clearTimeout(timeout); |
| 96 | timeout = setTimeout(later, wait); |
| 97 | if (callNow) { |
| 98 | result = func.apply(context, args); |
| 99 | } |
| 100 | return result; |
| 101 | }; |
| 102 | }, |
| 103 | throttle: function(func, wait) { |
| 104 | var context, args, timeout, result, previous, later; |
| 105 | previous = 0; |
| 106 | later = function() { |
| 107 | previous = new Date(); |
| 108 | timeout = null; |
| 109 | result = func.apply(context, args); |
| 110 | }; |
| 111 | return function() { |
| 112 | var now = new Date(), remaining = wait - (now - previous); |
| 113 | context = this; |
| 114 | args = arguments; |
| 115 | if (remaining <= 0) { |
| 116 | clearTimeout(timeout); |
| 117 | timeout = null; |
| 118 | previous = now; |
| 119 | result = func.apply(context, args); |
| 120 | } else if (!timeout) { |
| 121 | timeout = setTimeout(later, remaining); |
| 122 | } |
| 123 | return result; |
| 124 | }; |
| 125 | }, |
| 126 | noop: function() {} |
| 127 | }; |
| 128 | }(); |
| 129 | var VERSION = "0.10.5"; |
| 130 | var tokenizers = function() { |
| 131 | ; |
| 132 | return { |
| 133 | nonword: nonword, |
| 134 | whitespace: whitespace, |
| 135 | obj: { |
| 136 | nonword: getObjTokenizer(nonword), |
| 137 | whitespace: getObjTokenizer(whitespace) |
| 138 | } |
| 139 | }; |
| 140 | function whitespace(str) { |
| 141 | str = _.toStr(str); |
| 142 | return str ? str.split(/\s+/) : []; |
| 143 | } |
| 144 | function nonword(str) { |
| 145 | str = _.toStr(str); |
| 146 | return str ? str.split(/\W+/) : []; |
| 147 | } |
| 148 | function getObjTokenizer(tokenizer) { |
| 149 | return function setKey() { |
| 150 | var args = [].slice.call(arguments, 0); |
| 151 | return function tokenize(o) { |
| 152 | var tokens = []; |
| 153 | _.each(args, function(k) { |
| 154 | tokens = tokens.concat(tokenizer(_.toStr(o[k]))); |
| 155 | }); |
| 156 | return tokens; |
| 157 | }; |
| 158 | }; |
| 159 | } |
| 160 | }(); |
| 161 | var LruCache = function() { |
| 162 | ; |
| 163 | function LruCache(maxSize) { |
| 164 | this.maxSize = _.isNumber(maxSize) ? maxSize : 100; |
| 165 | this.reset(); |
| 166 | if (this.maxSize <= 0) { |
| 167 | this.set = this.get = $.noop; |
| 168 | } |
| 169 | } |
| 170 | _.mixin(LruCache.prototype, { |
| 171 | set: function set(key, val) { |
| 172 | var tailItem = this.list.tail, node; |
| 173 | if (this.size >= this.maxSize) { |
| 174 | this.list.remove(tailItem); |
| 175 | delete this.hash[tailItem.key]; |
| 176 | } |
| 177 | if (node = this.hash[key]) { |
| 178 | node.val = val; |
| 179 | this.list.moveToFront(node); |
| 180 | } else { |
| 181 | node = new Node(key, val); |
| 182 | this.list.add(node); |
| 183 | this.hash[key] = node; |
| 184 | this.size++; |
| 185 | } |
| 186 | }, |
| 187 | get: function get(key) { |
| 188 | var node = this.hash[key]; |
| 189 | if (node) { |
| 190 | this.list.moveToFront(node); |
| 191 | return node.val; |
| 192 | } |
| 193 | }, |
| 194 | reset: function reset() { |
| 195 | this.size = 0; |
| 196 | this.hash = {}; |
| 197 | this.list = new List(); |
| 198 | } |
| 199 | }); |
| 200 | function List() { |
| 201 | this.head = this.tail = null; |
| 202 | } |
| 203 | _.mixin(List.prototype, { |
| 204 | add: function add(node) { |
| 205 | if (this.head) { |
| 206 | node.next = this.head; |
| 207 | this.head.prev = node; |
| 208 | } |
| 209 | this.head = node; |
| 210 | this.tail = this.tail || node; |
| 211 | }, |
| 212 | remove: function remove(node) { |
| 213 | node.prev ? node.prev.next = node.next : this.head = node.next; |
| 214 | node.next ? node.next.prev = node.prev : this.tail = node.prev; |
| 215 | }, |
| 216 | moveToFront: function(node) { |
| 217 | this.remove(node); |
| 218 | this.add(node); |
| 219 | } |
| 220 | }); |
| 221 | function Node(key, val) { |
| 222 | this.key = key; |
| 223 | this.val = val; |
| 224 | this.prev = this.next = null; |
| 225 | } |
| 226 | return LruCache; |
| 227 | }(); |
| 228 | var PersistentStorage = function() { |
| 229 | ; |
| 230 | var ls, methods; |
| 231 | try { |
| 232 | ls = window.localStorage; |
| 233 | ls.setItem("~~~", "!"); |
| 234 | ls.removeItem("~~~"); |
| 235 | } catch (err) { |
| 236 | ls = null; |
| 237 | } |
| 238 | function PersistentStorage(namespace) { |
| 239 | this.prefix = [ "__", namespace, "__" ].join(""); |
| 240 | this.ttlKey = "__ttl__"; |
| 241 | this.keyMatcher = new RegExp("^" + _.escapeRegExChars(this.prefix)); |
| 242 | } |
| 243 | if (ls && window.JSON) { |
| 244 | methods = { |
| 245 | _prefix: function(key) { |
| 246 | return this.prefix + key; |
| 247 | }, |
| 248 | _ttlKey: function(key) { |
| 249 | return this._prefix(key) + this.ttlKey; |
| 250 | }, |
| 251 | get: function(key) { |
| 252 | if (this.isExpired(key)) { |
| 253 | this.remove(key); |
| 254 | } |
| 255 | return decode(ls.getItem(this._prefix(key))); |
| 256 | }, |
| 257 | set: function(key, val, ttl) { |
| 258 | if (_.isNumber(ttl)) { |
| 259 | ls.setItem(this._ttlKey(key), encode(now() + ttl)); |
| 260 | } else { |
| 261 | ls.removeItem(this._ttlKey(key)); |
| 262 | } |
| 263 | return ls.setItem(this._prefix(key), encode(val)); |
| 264 | }, |
| 265 | remove: function(key) { |
| 266 | ls.removeItem(this._ttlKey(key)); |
| 267 | ls.removeItem(this._prefix(key)); |
| 268 | return this; |
| 269 | }, |
| 270 | clear: function() { |
| 271 | var i, key, keys = [], len = ls.length; |
| 272 | for (i = 0; i < len; i++) { |
| 273 | if ((key = ls.key(i)).match(this.keyMatcher)) { |
| 274 | keys.push(key.replace(this.keyMatcher, "")); |
| 275 | } |
| 276 | } |
| 277 | for (i = keys.length; i--; ) { |
| 278 | this.remove(keys[i]); |
| 279 | } |
| 280 | return this; |
| 281 | }, |
| 282 | isExpired: function(key) { |
| 283 | var ttl = decode(ls.getItem(this._ttlKey(key))); |
| 284 | return _.isNumber(ttl) && now() > ttl ? true : false; |
| 285 | } |
| 286 | }; |
| 287 | } else { |
| 288 | methods = { |
| 289 | get: _.noop, |
| 290 | set: _.noop, |
| 291 | remove: _.noop, |
| 292 | clear: _.noop, |
| 293 | isExpired: _.noop |
| 294 | }; |
| 295 | } |
| 296 | _.mixin(PersistentStorage.prototype, methods); |
| 297 | return PersistentStorage; |
| 298 | function now() { |
| 299 | return new Date().getTime(); |
| 300 | } |
| 301 | function encode(val) { |
| 302 | return JSON.stringify(_.isUndefined(val) ? null : val); |
| 303 | } |
| 304 | function decode(val) { |
| 305 | return JSON.parse(val); |
| 306 | } |
| 307 | }(); |
| 308 | var Transport = function() { |
| 309 | ; |
| 310 | var pendingRequestsCount = 0, pendingRequests = {}, maxPendingRequests = 6, sharedCache = new LruCache(10); |
| 311 | function Transport(o) { |
| 312 | o = o || {}; |
| 313 | this.cancelled = false; |
| 314 | this.lastUrl = null; |
| 315 | this._send = o.transport ? callbackToDeferred(o.transport) : $.ajax; |
| 316 | this._get = o.rateLimiter ? o.rateLimiter(this._get) : this._get; |
| 317 | this._cache = o.cache === false ? new LruCache(0) : sharedCache; |
| 318 | } |
| 319 | Transport.setMaxPendingRequests = function setMaxPendingRequests(num) { |
| 320 | maxPendingRequests = num; |
| 321 | }; |
| 322 | Transport.resetCache = function resetCache() { |
| 323 | sharedCache.reset(); |
| 324 | }; |
| 325 | _.mixin(Transport.prototype, { |
| 326 | _get: function(url, o, cb) { |
| 327 | var that = this, jqXhr; |
| 328 | if (this.cancelled || url !== this.lastUrl) { |
| 329 | return; |
| 330 | } |
| 331 | if (jqXhr = pendingRequests[url]) { |
| 332 | jqXhr.done(done).fail(fail); |
| 333 | } else if (pendingRequestsCount < maxPendingRequests) { |
| 334 | pendingRequestsCount++; |
| 335 | pendingRequests[url] = this._send(url, o).done(done).fail(fail).always(always); |
| 336 | } else { |
| 337 | this.onDeckRequestArgs = [].slice.call(arguments, 0); |
| 338 | } |
| 339 | function done(resp) { |
| 340 | cb && cb(null, resp); |
| 341 | that._cache.set(url, resp); |
| 342 | } |
| 343 | function fail() { |
| 344 | cb && cb(true); |
| 345 | } |
| 346 | function always() { |
| 347 | pendingRequestsCount--; |
| 348 | delete pendingRequests[url]; |
| 349 | if (that.onDeckRequestArgs) { |
| 350 | that._get.apply(that, that.onDeckRequestArgs); |
| 351 | that.onDeckRequestArgs = null; |
| 352 | } |
| 353 | } |
| 354 | }, |
| 355 | get: function(url, o, cb) { |
| 356 | var resp; |
| 357 | if (_.isFunction(o)) { |
| 358 | cb = o; |
| 359 | o = {}; |
| 360 | } |
| 361 | this.cancelled = false; |
| 362 | this.lastUrl = url; |
| 363 | if (resp = this._cache.get(url)) { |
| 364 | _.defer(function() { |
| 365 | cb && cb(null, resp); |
| 366 | }); |
| 367 | } else { |
| 368 | this._get(url, o, cb); |
| 369 | } |
| 370 | return !!resp; |
| 371 | }, |
| 372 | cancel: function() { |
| 373 | this.cancelled = true; |
| 374 | } |
| 375 | }); |
| 376 | return Transport; |
| 377 | function callbackToDeferred(fn) { |
| 378 | return function customSendWrapper(url, o) { |
| 379 | var deferred = $.Deferred(); |
| 380 | fn(url, o, onSuccess, onError); |
| 381 | return deferred; |
| 382 | function onSuccess(resp) { |
| 383 | _.defer(function() { |
| 384 | deferred.resolve(resp); |
| 385 | }); |
| 386 | } |
| 387 | function onError(err) { |
| 388 | _.defer(function() { |
| 389 | deferred.reject(err); |
| 390 | }); |
| 391 | } |
| 392 | }; |
| 393 | } |
| 394 | }(); |
| 395 | var SearchIndex = function() { |
| 396 | ; |
| 397 | function SearchIndex(o) { |
| 398 | o = o || {}; |
| 399 | if (!o.datumTokenizer || !o.queryTokenizer) { |
| 400 | $.error("datumTokenizer and queryTokenizer are both required"); |
| 401 | } |
| 402 | this.datumTokenizer = o.datumTokenizer; |
| 403 | this.queryTokenizer = o.queryTokenizer; |
| 404 | this.reset(); |
| 405 | } |
| 406 | _.mixin(SearchIndex.prototype, { |
| 407 | bootstrap: function bootstrap(o) { |
| 408 | this.datums = o.datums; |
| 409 | this.trie = o.trie; |
| 410 | }, |
| 411 | add: function(data) { |
| 412 | var that = this; |
| 413 | data = _.isArray(data) ? data : [ data ]; |
| 414 | _.each(data, function(datum) { |
| 415 | var id, tokens; |
| 416 | id = that.datums.push(datum) - 1; |
| 417 | tokens = normalizeTokens(that.datumTokenizer(datum)); |
| 418 | _.each(tokens, function(token) { |
| 419 | var node, chars, ch; |
| 420 | node = that.trie; |
| 421 | chars = token.split(""); |
| 422 | while (ch = chars.shift()) { |
| 423 | node = node.children[ch] || (node.children[ch] = newNode()); |
| 424 | node.ids.push(id); |
| 425 | } |
| 426 | }); |
| 427 | }); |
| 428 | }, |
| 429 | get: function get(query) { |
| 430 | var that = this, tokens, matches; |
| 431 | tokens = normalizeTokens(this.queryTokenizer(query)); |
| 432 | _.each(tokens, function(token) { |
| 433 | var node, chars, ch, ids; |
| 434 | if (matches && matches.length === 0) { |
| 435 | return false; |
| 436 | } |
| 437 | node = that.trie; |
| 438 | chars = token.split(""); |
| 439 | while (node && (ch = chars.shift())) { |
| 440 | node = node.children[ch]; |
| 441 | } |
| 442 | if (node && chars.length === 0) { |
| 443 | ids = node.ids.slice(0); |
| 444 | matches = matches ? getIntersection(matches, ids) : ids; |
| 445 | } else { |
| 446 | matches = []; |
| 447 | return false; |
| 448 | } |
| 449 | }); |
| 450 | return matches ? _.map(unique(matches), function(id) { |
| 451 | return that.datums[id]; |
| 452 | }) : []; |
| 453 | }, |
| 454 | reset: function reset() { |
| 455 | this.datums = []; |
| 456 | this.trie = newNode(); |
| 457 | }, |
| 458 | serialize: function serialize() { |
| 459 | return { |
| 460 | datums: this.datums, |
| 461 | trie: this.trie |
| 462 | }; |
| 463 | } |
| 464 | }); |
| 465 | return SearchIndex; |
| 466 | function normalizeTokens(tokens) { |
| 467 | tokens = _.filter(tokens, function(token) { |
| 468 | return !!token; |
| 469 | }); |
| 470 | tokens = _.map(tokens, function(token) { |
| 471 | return token.toLowerCase(); |
| 472 | }); |
| 473 | return tokens; |
| 474 | } |
| 475 | function newNode() { |
| 476 | return { |
| 477 | ids: [], |
| 478 | children: {} |
| 479 | }; |
| 480 | } |
| 481 | function unique(array) { |
| 482 | var seen = {}, uniques = []; |
| 483 | for (var i = 0, len = array.length; i < len; i++) { |
| 484 | if (!seen[array[i]]) { |
| 485 | seen[array[i]] = true; |
| 486 | uniques.push(array[i]); |
| 487 | } |
| 488 | } |
| 489 | return uniques; |
| 490 | } |
| 491 | function getIntersection(arrayA, arrayB) { |
| 492 | var ai = 0, bi = 0, intersection = []; |
| 493 | arrayA = arrayA.sort(compare); |
| 494 | arrayB = arrayB.sort(compare); |
| 495 | var lenArrayA = arrayA.length, lenArrayB = arrayB.length; |
| 496 | while (ai < lenArrayA && bi < lenArrayB) { |
| 497 | if (arrayA[ai] < arrayB[bi]) { |
| 498 | ai++; |
| 499 | } else if (arrayA[ai] > arrayB[bi]) { |
| 500 | bi++; |
| 501 | } else { |
| 502 | intersection.push(arrayA[ai]); |
| 503 | ai++; |
| 504 | bi++; |
| 505 | } |
| 506 | } |
| 507 | return intersection; |
| 508 | function compare(a, b) { |
| 509 | return a - b; |
| 510 | } |
| 511 | } |
| 512 | }(); |
| 513 | var oParser = function() { |
| 514 | ; |
| 515 | return { |
| 516 | local: getLocal, |
| 517 | prefetch: getPrefetch, |
| 518 | remote: getRemote |
| 519 | }; |
| 520 | function getLocal(o) { |
| 521 | return o.local || null; |
| 522 | } |
| 523 | function getPrefetch(o) { |
| 524 | var prefetch, defaults; |
| 525 | defaults = { |
| 526 | url: null, |
| 527 | thumbprint: "", |
| 528 | ttl: 24 * 60 * 60 * 1e3, |
| 529 | filter: null, |
| 530 | ajax: {} |
| 531 | }; |
| 532 | if (prefetch = o.prefetch || null) { |
| 533 | prefetch = _.isString(prefetch) ? { |
| 534 | url: prefetch |
| 535 | } : prefetch; |
| 536 | prefetch = _.mixin(defaults, prefetch); |
| 537 | prefetch.thumbprint = VERSION + prefetch.thumbprint; |
| 538 | prefetch.ajax.type = prefetch.ajax.type || "GET"; |
| 539 | prefetch.ajax.dataType = prefetch.ajax.dataType || "json"; |
| 540 | !prefetch.url && $.error("prefetch requires url to be set"); |
| 541 | } |
| 542 | return prefetch; |
| 543 | } |
| 544 | function getRemote(o) { |
| 545 | var remote, defaults; |
| 546 | defaults = { |
| 547 | url: null, |
| 548 | cache: true, |
| 549 | wildcard: "%QUERY", |
| 550 | replace: null, |
| 551 | rateLimitBy: "debounce", |
| 552 | rateLimitWait: 300, |
| 553 | send: null, |
| 554 | filter: null, |
| 555 | ajax: {} |
| 556 | }; |
| 557 | if (remote = o.remote || null) { |
| 558 | remote = _.isString(remote) ? { |
| 559 | url: remote |
| 560 | } : remote; |
| 561 | remote = _.mixin(defaults, remote); |
| 562 | remote.rateLimiter = /^throttle$/i.test(remote.rateLimitBy) ? byThrottle(remote.rateLimitWait) : byDebounce(remote.rateLimitWait); |
| 563 | remote.ajax.type = remote.ajax.type || "GET"; |
| 564 | remote.ajax.dataType = remote.ajax.dataType || "json"; |
| 565 | delete remote.rateLimitBy; |
| 566 | delete remote.rateLimitWait; |
| 567 | !remote.url && $.error("remote requires url to be set"); |
| 568 | } |
| 569 | return remote; |
| 570 | function byDebounce(wait) { |
| 571 | return function(fn) { |
| 572 | return _.debounce(fn, wait); |
| 573 | }; |
| 574 | } |
| 575 | function byThrottle(wait) { |
| 576 | return function(fn) { |
| 577 | return _.throttle(fn, wait); |
| 578 | }; |
| 579 | } |
| 580 | } |
| 581 | }(); |
| 582 | (function(root) { |
| 583 | ; |
| 584 | var old, keys; |
| 585 | old = root.Bloodhound; |
| 586 | keys = { |
| 587 | data: "data", |
| 588 | protocol: "protocol", |
| 589 | thumbprint: "thumbprint" |
| 590 | }; |
| 591 | root.Bloodhound = Bloodhound; |
| 592 | function Bloodhound(o) { |
| 593 | if (!o || !o.local && !o.prefetch && !o.remote) { |
| 594 | $.error("one of local, prefetch, or remote is required"); |
| 595 | } |
| 596 | this.limit = o.limit || 5; |
| 597 | this.sorter = getSorter(o.sorter); |
| 598 | this.dupDetector = o.dupDetector || ignoreDuplicates; |
| 599 | this.local = oParser.local(o); |
| 600 | this.prefetch = oParser.prefetch(o); |
| 601 | this.remote = oParser.remote(o); |
| 602 | this.cacheKey = this.prefetch ? this.prefetch.cacheKey || this.prefetch.url : null; |
| 603 | this.index = new SearchIndex({ |
| 604 | datumTokenizer: o.datumTokenizer, |
| 605 | queryTokenizer: o.queryTokenizer |
| 606 | }); |
| 607 | this.storage = this.cacheKey ? new PersistentStorage(this.cacheKey) : null; |
| 608 | } |
| 609 | Bloodhound.noConflict = function noConflict() { |
| 610 | root.Bloodhound = old; |
| 611 | return Bloodhound; |
| 612 | }; |
| 613 | Bloodhound.tokenizers = tokenizers; |
| 614 | _.mixin(Bloodhound.prototype, { |
| 615 | _loadPrefetch: function loadPrefetch(o) { |
| 616 | var that = this, serialized, deferred; |
| 617 | if (serialized = this._readFromStorage(o.thumbprint)) { |
| 618 | this.index.bootstrap(serialized); |
| 619 | deferred = $.Deferred().resolve(); |
| 620 | } else { |
| 621 | deferred = $.ajax(o.url, o.ajax).done(handlePrefetchResponse); |
| 622 | } |
| 623 | return deferred; |
| 624 | function handlePrefetchResponse(resp) { |
| 625 | that.clear(); |
| 626 | that.add(o.filter ? o.filter(resp) : resp); |
| 627 | that._saveToStorage(that.index.serialize(), o.thumbprint, o.ttl); |
| 628 | } |
| 629 | }, |
| 630 | _getFromRemote: function getFromRemote(query, cb) { |
| 631 | var that = this, url, uriEncodedQuery; |
| 632 | if (!this.transport) { |
| 633 | return; |
| 634 | } |
| 635 | query = query || ""; |
| 636 | uriEncodedQuery = encodeURIComponent(query); |
| 637 | url = this.remote.replace ? this.remote.replace(this.remote.url, query) : this.remote.url.replace(this.remote.wildcard, uriEncodedQuery); |
| 638 | return this.transport.get(url, this.remote.ajax, handleRemoteResponse); |
| 639 | function handleRemoteResponse(err, resp) { |
| 640 | err ? cb([]) : cb(that.remote.filter ? that.remote.filter(resp) : resp); |
| 641 | } |
| 642 | }, |
| 643 | _cancelLastRemoteRequest: function cancelLastRemoteRequest() { |
| 644 | this.transport && this.transport.cancel(); |
| 645 | }, |
| 646 | _saveToStorage: function saveToStorage(data, thumbprint, ttl) { |
| 647 | if (this.storage) { |
| 648 | this.storage.set(keys.data, data, ttl); |
| 649 | this.storage.set(keys.protocol, location.protocol, ttl); |
| 650 | this.storage.set(keys.thumbprint, thumbprint, ttl); |
| 651 | } |
| 652 | }, |
| 653 | _readFromStorage: function readFromStorage(thumbprint) { |
| 654 | var stored = {}, isExpired; |
| 655 | if (this.storage) { |
| 656 | stored.data = this.storage.get(keys.data); |
| 657 | stored.protocol = this.storage.get(keys.protocol); |
| 658 | stored.thumbprint = this.storage.get(keys.thumbprint); |
| 659 | } |
| 660 | isExpired = stored.thumbprint !== thumbprint || stored.protocol !== location.protocol; |
| 661 | return stored.data && !isExpired ? stored.data : null; |
| 662 | }, |
| 663 | _initialize: function initialize() { |
| 664 | var that = this, local = this.local, deferred; |
| 665 | deferred = this.prefetch ? this._loadPrefetch(this.prefetch) : $.Deferred().resolve(); |
| 666 | local && deferred.done(addLocalToIndex); |
| 667 | this.transport = this.remote ? new Transport(this.remote) : null; |
| 668 | return this.initPromise = deferred.promise(); |
| 669 | function addLocalToIndex() { |
| 670 | that.add(_.isFunction(local) ? local() : local); |
| 671 | } |
| 672 | }, |
| 673 | initialize: function initialize(force) { |
| 674 | return !this.initPromise || force ? this._initialize() : this.initPromise; |
| 675 | }, |
| 676 | add: function add(data) { |
| 677 | this.index.add(data); |
| 678 | }, |
| 679 | get: function get(query, cb) { |
| 680 | var that = this, matches = [], cacheHit = false; |
| 681 | matches = this.index.get(query); |
| 682 | matches = this.sorter(matches).slice(0, this.limit); |
| 683 | matches.length < this.limit ? cacheHit = this._getFromRemote(query, returnRemoteMatches) : this._cancelLastRemoteRequest(); |
| 684 | if (!cacheHit) { |
| 685 | (matches.length > 0 || !this.transport) && cb && cb(matches); |
| 686 | } |
| 687 | function returnRemoteMatches(remoteMatches) { |
| 688 | var matchesWithBackfill = matches.slice(0); |
| 689 | _.each(remoteMatches, function(remoteMatch) { |
| 690 | var isDuplicate; |
| 691 | isDuplicate = _.some(matchesWithBackfill, function(match) { |
| 692 | return that.dupDetector(remoteMatch, match); |
| 693 | }); |
| 694 | !isDuplicate && matchesWithBackfill.push(remoteMatch); |
| 695 | return matchesWithBackfill.length < that.limit; |
| 696 | }); |
| 697 | cb && cb(that.sorter(matchesWithBackfill)); |
| 698 | } |
| 699 | }, |
| 700 | clear: function clear() { |
| 701 | this.index.reset(); |
| 702 | }, |
| 703 | clearPrefetchCache: function clearPrefetchCache() { |
| 704 | this.storage && this.storage.clear(); |
| 705 | }, |
| 706 | clearRemoteCache: function clearRemoteCache() { |
| 707 | this.transport && Transport.resetCache(); |
| 708 | }, |
| 709 | ttAdapter: function ttAdapter() { |
| 710 | return _.bind(this.get, this); |
| 711 | } |
| 712 | }); |
| 713 | return Bloodhound; |
| 714 | function getSorter(sortFn) { |
| 715 | return _.isFunction(sortFn) ? sort : noSort; |
| 716 | function sort(array) { |
| 717 | return array.sort(sortFn); |
| 718 | } |
| 719 | function noSort(array) { |
| 720 | return array; |
| 721 | } |
| 722 | } |
| 723 | function ignoreDuplicates() { |
| 724 | return false; |
| 725 | } |
| 726 | })(this); |
| 727 | var html = function() { |
| 728 | return { |
| 729 | wrapper: '<span class="twitter-typeahead"></span>', |
| 730 | dropdown: '<span class="tt-dropdown-menu"></span>', |
| 731 | dataset: '<div class="tt-dataset-%CLASS%"></div>', |
| 732 | suggestions: '<span class="tt-suggestions"></span>', |
| 733 | suggestion: '<div class="tt-suggestion"></div>' |
| 734 | }; |
| 735 | }(); |
| 736 | var css = function() { |
| 737 | ; |
| 738 | var css = { |
| 739 | wrapper: { |
| 740 | position: "relative", |
| 741 | display: "inline-block" |
| 742 | }, |
| 743 | hint: { |
| 744 | position: "absolute", |
| 745 | top: "0", |
| 746 | left: "0", |
| 747 | borderColor: "transparent", |
| 748 | boxShadow: "none", |
| 749 | opacity: "1" |
| 750 | }, |
| 751 | input: { |
| 752 | position: "relative", |
| 753 | verticalAlign: "top", |
| 754 | backgroundColor: "transparent" |
| 755 | }, |
| 756 | inputWithNoHint: { |
| 757 | position: "relative", |
| 758 | verticalAlign: "top" |
| 759 | }, |
| 760 | dropdown: { |
| 761 | position: "absolute", |
| 762 | top: "100%", |
| 763 | left: "0", |
| 764 | zIndex: "100", |
| 765 | display: "none" |
| 766 | }, |
| 767 | suggestions: { |
| 768 | display: "block" |
| 769 | }, |
| 770 | suggestion: { |
| 771 | whiteSpace: "nowrap", |
| 772 | cursor: "pointer" |
| 773 | }, |
| 774 | suggestionChild: { |
| 775 | whiteSpace: "normal" |
| 776 | }, |
| 777 | ltr: { |
| 778 | left: "0", |
| 779 | right: "auto" |
| 780 | }, |
| 781 | rtl: { |
| 782 | left: "auto", |
| 783 | right: " 0" |
| 784 | } |
| 785 | }; |
| 786 | if (_.isMsie()) { |
| 787 | _.mixin(css.input, { |
| 788 | backgroundImage: "url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)" |
| 789 | }); |
| 790 | } |
| 791 | if (_.isMsie() && _.isMsie() <= 7) { |
| 792 | _.mixin(css.input, { |
| 793 | marginTop: "-1px" |
| 794 | }); |
| 795 | } |
| 796 | return css; |
| 797 | }(); |
| 798 | var EventBus = function() { |
| 799 | ; |
| 800 | var namespace = "typeahead:"; |
| 801 | function EventBus(o) { |
| 802 | if (!o || !o.el) { |
| 803 | $.error("EventBus initialized without el"); |
| 804 | } |
| 805 | this.$el = $(o.el); |
| 806 | } |
| 807 | _.mixin(EventBus.prototype, { |
| 808 | trigger: function(type) { |
| 809 | var args = [].slice.call(arguments, 1); |
| 810 | this.$el.trigger(namespace + type, args); |
| 811 | } |
| 812 | }); |
| 813 | return EventBus; |
| 814 | }(); |
| 815 | var EventEmitter = function() { |
| 816 | ; |
| 817 | var splitter = /\s+/, nextTick = getNextTick(); |
| 818 | return { |
| 819 | onSync: onSync, |
| 820 | onAsync: onAsync, |
| 821 | off: off, |
| 822 | trigger: trigger |
| 823 | }; |
| 824 | function on(method, types, cb, context) { |
| 825 | var type; |
| 826 | if (!cb) { |
| 827 | return this; |
| 828 | } |
| 829 | types = types.split(splitter); |
| 830 | cb = context ? bindContext(cb, context) : cb; |
| 831 | this._callbacks = this._callbacks || {}; |
| 832 | while (type = types.shift()) { |
| 833 | this._callbacks[type] = this._callbacks[type] || { |
| 834 | sync: [], |
| 835 | async: [] |
| 836 | }; |
| 837 | this._callbacks[type][method].push(cb); |
| 838 | } |
| 839 | return this; |
| 840 | } |
| 841 | function onAsync(types, cb, context) { |
| 842 | return on.call(this, "async", types, cb, context); |
| 843 | } |
| 844 | function onSync(types, cb, context) { |
| 845 | return on.call(this, "sync", types, cb, context); |
| 846 | } |
| 847 | function off(types) { |
| 848 | var type; |
| 849 | if (!this._callbacks) { |
| 850 | return this; |
| 851 | } |
| 852 | types = types.split(splitter); |
| 853 | while (type = types.shift()) { |
| 854 | delete this._callbacks[type]; |
| 855 | } |
| 856 | return this; |
| 857 | } |
| 858 | function trigger(types) { |
| 859 | var type, callbacks, args, syncFlush, asyncFlush; |
| 860 | if (!this._callbacks) { |
| 861 | return this; |
| 862 | } |
| 863 | types = types.split(splitter); |
| 864 | args = [].slice.call(arguments, 1); |
| 865 | while ((type = types.shift()) && (callbacks = this._callbacks[type])) { |
| 866 | syncFlush = getFlush(callbacks.sync, this, [ type ].concat(args)); |
| 867 | asyncFlush = getFlush(callbacks.async, this, [ type ].concat(args)); |
| 868 | syncFlush() && nextTick(asyncFlush); |
| 869 | } |
| 870 | return this; |
| 871 | } |
| 872 | function getFlush(callbacks, context, args) { |
| 873 | return flush; |
| 874 | function flush() { |
| 875 | var cancelled; |
| 876 | for (var i = 0, len = callbacks.length; !cancelled && i < len; i += 1) { |
| 877 | cancelled = callbacks[i].apply(context, args) === false; |
| 878 | } |
| 879 | return !cancelled; |
| 880 | } |
| 881 | } |
| 882 | function getNextTick() { |
| 883 | var nextTickFn; |
| 884 | if (window.setImmediate) { |
| 885 | nextTickFn = function nextTickSetImmediate(fn) { |
| 886 | setImmediate(function() { |
| 887 | fn(); |
| 888 | }); |
| 889 | }; |
| 890 | } else { |
| 891 | nextTickFn = function nextTickSetTimeout(fn) { |
| 892 | setTimeout(function() { |
| 893 | fn(); |
| 894 | }, 0); |
| 895 | }; |
| 896 | } |
| 897 | return nextTickFn; |
| 898 | } |
| 899 | function bindContext(fn, context) { |
| 900 | return fn.bind ? fn.bind(context) : function() { |
| 901 | fn.apply(context, [].slice.call(arguments, 0)); |
| 902 | }; |
| 903 | } |
| 904 | }(); |
| 905 | var highlight = function(doc) { |
| 906 | ; |
| 907 | var defaults = { |
| 908 | node: null, |
| 909 | pattern: null, |
| 910 | tagName: "strong", |
| 911 | className: null, |
| 912 | wordsOnly: false, |
| 913 | caseSensitive: false |
| 914 | }; |
| 915 | return function hightlight(o) { |
| 916 | var regex; |
| 917 | o = _.mixin({}, defaults, o); |
| 918 | if (!o.node || !o.pattern) { |
| 919 | return; |
| 920 | } |
| 921 | o.pattern = _.isArray(o.pattern) ? o.pattern : [ o.pattern ]; |
| 922 | regex = getRegex(o.pattern, o.caseSensitive, o.wordsOnly); |
| 923 | traverse(o.node, hightlightTextNode); |
| 924 | function hightlightTextNode(textNode) { |
| 925 | var match, patternNode, wrapperNode; |
| 926 | if (match = regex.exec(textNode.data)) { |
| 927 | wrapperNode = doc.createElement(o.tagName); |
| 928 | o.className && (wrapperNode.className = o.className); |
| 929 | patternNode = textNode.splitText(match.index); |
| 930 | patternNode.splitText(match[0].length); |
| 931 | wrapperNode.appendChild(patternNode.cloneNode(true)); |
| 932 | textNode.parentNode.replaceChild(wrapperNode, patternNode); |
| 933 | } |
| 934 | return !!match; |
| 935 | } |
| 936 | function traverse(el, hightlightTextNode) { |
| 937 | var childNode, TEXT_NODE_TYPE = 3; |
| 938 | for (var i = 0; i < el.childNodes.length; i++) { |
| 939 | childNode = el.childNodes[i]; |
| 940 | if (childNode.nodeType === TEXT_NODE_TYPE) { |
| 941 | i += hightlightTextNode(childNode) ? 1 : 0; |
| 942 | } else { |
| 943 | traverse(childNode, hightlightTextNode); |
| 944 | } |
| 945 | } |
| 946 | } |
| 947 | }; |
| 948 | function getRegex(patterns, caseSensitive, wordsOnly) { |
| 949 | var escapedPatterns = [], regexStr; |
| 950 | for (var i = 0, len = patterns.length; i < len; i++) { |
| 951 | escapedPatterns.push(_.escapeRegExChars(patterns[i])); |
| 952 | } |
| 953 | regexStr = wordsOnly ? "\\b(" + escapedPatterns.join("|") + ")\\b" : "(" + escapedPatterns.join("|") + ")"; |
| 954 | return caseSensitive ? new RegExp(regexStr) : new RegExp(regexStr, "i"); |
| 955 | } |
| 956 | }(window.document); |
| 957 | var Input = function() { |
| 958 | ; |
| 959 | var specialKeyCodeMap; |
| 960 | specialKeyCodeMap = { |
| 961 | 9: "tab", |
| 962 | 27: "esc", |
| 963 | 37: "left", |
| 964 | 39: "right", |
| 965 | 13: "enter", |
| 966 | 38: "up", |
| 967 | 40: "down" |
| 968 | }; |
| 969 | function Input(o) { |
| 970 | var that = this, onBlur, onFocus, onKeydown, onInput; |
| 971 | o = o || {}; |
| 972 | if (!o.input) { |
| 973 | $.error("input is missing"); |
| 974 | } |
| 975 | onBlur = _.bind(this._onBlur, this); |
| 976 | onFocus = _.bind(this._onFocus, this); |
| 977 | onKeydown = _.bind(this._onKeydown, this); |
| 978 | onInput = _.bind(this._onInput, this); |
| 979 | this.$hint = $(o.hint); |
| 980 | this.$input = $(o.input).on("blur.tt", onBlur).on("focus.tt", onFocus).on("keydown.tt", onKeydown); |
| 981 | if (this.$hint.length === 0) { |
| 982 | this.setHint = this.getHint = this.clearHint = this.clearHintIfInvalid = _.noop; |
| 983 | } |
| 984 | if (!_.isMsie()) { |
| 985 | this.$input.on("input.tt", onInput); |
| 986 | } else { |
| 987 | this.$input.on("keydown.tt keypress.tt cut.tt paste.tt", function($e) { |
| 988 | if (specialKeyCodeMap[$e.which || $e.keyCode]) { |
| 989 | return; |
| 990 | } |
| 991 | _.defer(_.bind(that._onInput, that, $e)); |
| 992 | }); |
| 993 | } |
| 994 | this.query = this.$input.val(); |
| 995 | this.$overflowHelper = buildOverflowHelper(this.$input); |
| 996 | } |
| 997 | Input.normalizeQuery = function(str) { |
| 998 | return (str || "").replace(/^\s*/g, "").replace(/\s{2,}/g, " "); |
| 999 | }; |
| 1000 | _.mixin(Input.prototype, EventEmitter, { |
| 1001 | _onBlur: function onBlur() { |
| 1002 | this.resetInputValue(); |
| 1003 | this.trigger("blurred"); |
| 1004 | }, |
| 1005 | _onFocus: function onFocus() { |
| 1006 | this.trigger("focused"); |
| 1007 | }, |
| 1008 | _onKeydown: function onKeydown($e) { |
| 1009 | var keyName = specialKeyCodeMap[$e.which || $e.keyCode]; |
| 1010 | this._managePreventDefault(keyName, $e); |
| 1011 | if (keyName && this._shouldTrigger(keyName, $e)) { |
| 1012 | this.trigger(keyName + "Keyed", $e); |
| 1013 | } |
| 1014 | }, |
| 1015 | _onInput: function onInput() { |
| 1016 | this._checkInputValue(); |
| 1017 | }, |
| 1018 | _managePreventDefault: function managePreventDefault(keyName, $e) { |
| 1019 | var preventDefault, hintValue, inputValue; |
| 1020 | switch (keyName) { |
| 1021 | case "tab": |
| 1022 | hintValue = this.getHint(); |
| 1023 | inputValue = this.getInputValue(); |
| 1024 | preventDefault = hintValue && hintValue !== inputValue && !withModifier($e); |
| 1025 | break; |
| 1026 | |
| 1027 | case "up": |
| 1028 | case "down": |
| 1029 | preventDefault = !withModifier($e); |
| 1030 | break; |
| 1031 | |
| 1032 | default: |
| 1033 | preventDefault = false; |
| 1034 | } |
| 1035 | preventDefault && $e.preventDefault(); |
| 1036 | }, |
| 1037 | _shouldTrigger: function shouldTrigger(keyName, $e) { |
| 1038 | var trigger; |
| 1039 | switch (keyName) { |
| 1040 | case "tab": |
| 1041 | trigger = !withModifier($e); |
| 1042 | break; |
| 1043 | |
| 1044 | default: |
| 1045 | trigger = true; |
| 1046 | } |
| 1047 | return trigger; |
| 1048 | }, |
| 1049 | _checkInputValue: function checkInputValue() { |
| 1050 | var inputValue, areEquivalent, hasDifferentWhitespace; |
| 1051 | inputValue = this.getInputValue(); |
| 1052 | areEquivalent = areQueriesEquivalent(inputValue, this.query); |
| 1053 | hasDifferentWhitespace = areEquivalent ? this.query.length !== inputValue.length : false; |
| 1054 | this.query = inputValue; |
| 1055 | if (!areEquivalent) { |
| 1056 | this.trigger("queryChanged", this.query); |
| 1057 | } else if (hasDifferentWhitespace) { |
| 1058 | this.trigger("whitespaceChanged", this.query); |
| 1059 | } |
| 1060 | }, |
| 1061 | focus: function focus() { |
| 1062 | this.$input.focus(); |
| 1063 | }, |
| 1064 | blur: function blur() { |
| 1065 | this.$input.blur(); |
| 1066 | }, |
| 1067 | getQuery: function getQuery() { |
| 1068 | return this.query; |
| 1069 | }, |
| 1070 | setQuery: function setQuery(query) { |
| 1071 | this.query = query; |
| 1072 | }, |
| 1073 | getInputValue: function getInputValue() { |
| 1074 | return this.$input.val(); |
| 1075 | }, |
| 1076 | setInputValue: function setInputValue(value, silent) { |
| 1077 | this.$input.val(value); |
| 1078 | silent ? this.clearHint() : this._checkInputValue(); |
| 1079 | }, |
| 1080 | resetInputValue: function resetInputValue() { |
| 1081 | this.setInputValue(this.query, true); |
| 1082 | }, |
| 1083 | getHint: function getHint() { |
| 1084 | return this.$hint.val(); |
| 1085 | }, |
| 1086 | setHint: function setHint(value) { |
| 1087 | this.$hint.val(value); |
| 1088 | }, |
| 1089 | clearHint: function clearHint() { |
| 1090 | this.setHint(""); |
| 1091 | }, |
| 1092 | clearHintIfInvalid: function clearHintIfInvalid() { |
| 1093 | var val, hint, valIsPrefixOfHint, isValid; |
| 1094 | val = this.getInputValue(); |
| 1095 | hint = this.getHint(); |
| 1096 | valIsPrefixOfHint = val !== hint && hint.indexOf(val) === 0; |
| 1097 | isValid = val !== "" && valIsPrefixOfHint && !this.hasOverflow(); |
| 1098 | !isValid && this.clearHint(); |
| 1099 | }, |
| 1100 | getLanguageDirection: function getLanguageDirection() { |
| 1101 | return (this.$input.css("direction") || "ltr").toLowerCase(); |
| 1102 | }, |
| 1103 | hasOverflow: function hasOverflow() { |
| 1104 | var constraint = this.$input.width() - 2; |
| 1105 | this.$overflowHelper.text(this.getInputValue()); |
| 1106 | return this.$overflowHelper.width() >= constraint; |
| 1107 | }, |
| 1108 | isCursorAtEnd: function() { |
| 1109 | var valueLength, selectionStart, range; |
| 1110 | valueLength = this.$input.val().length; |
| 1111 | selectionStart = this.$input[0].selectionStart; |
| 1112 | if (_.isNumber(selectionStart)) { |
| 1113 | return selectionStart === valueLength; |
| 1114 | } else if (document.selection) { |
| 1115 | range = document.selection.createRange(); |
| 1116 | range.moveStart("character", -valueLength); |
| 1117 | return valueLength === range.text.length; |
| 1118 | } |
| 1119 | return true; |
| 1120 | }, |
| 1121 | destroy: function destroy() { |
| 1122 | this.$hint.off(".tt"); |
| 1123 | this.$input.off(".tt"); |
| 1124 | this.$hint = this.$input = this.$overflowHelper = null; |
| 1125 | } |
| 1126 | }); |
| 1127 | return Input; |
| 1128 | function buildOverflowHelper($input) { |
| 1129 | return $('<pre aria-hidden="true"></pre>').css({ |
| 1130 | position: "absolute", |
| 1131 | visibility: "hidden", |
| 1132 | whiteSpace: "pre", |
| 1133 | fontFamily: $input.css("font-family"), |
| 1134 | fontSize: $input.css("font-size"), |
| 1135 | fontStyle: $input.css("font-style"), |
| 1136 | fontVariant: $input.css("font-variant"), |
| 1137 | fontWeight: $input.css("font-weight"), |
| 1138 | wordSpacing: $input.css("word-spacing"), |
| 1139 | letterSpacing: $input.css("letter-spacing"), |
| 1140 | textIndent: $input.css("text-indent"), |
| 1141 | textRendering: $input.css("text-rendering"), |
| 1142 | textTransform: $input.css("text-transform") |
| 1143 | }).insertAfter($input); |
| 1144 | } |
| 1145 | function areQueriesEquivalent(a, b) { |
| 1146 | return Input.normalizeQuery(a) === Input.normalizeQuery(b); |
| 1147 | } |
| 1148 | function withModifier($e) { |
| 1149 | return $e.altKey || $e.ctrlKey || $e.metaKey || $e.shiftKey; |
| 1150 | } |
| 1151 | }(); |
| 1152 | var Dataset = function() { |
| 1153 | ; |
| 1154 | var datasetKey = "ttDataset", valueKey = "ttValue", datumKey = "ttDatum"; |
| 1155 | function Dataset(o) { |
| 1156 | o = o || {}; |
| 1157 | o.templates = o.templates || {}; |
| 1158 | if (!o.source) { |
| 1159 | $.error("missing source"); |
| 1160 | } |
| 1161 | if (o.name && !isValidName(o.name)) { |
| 1162 | $.error("invalid dataset name: " + o.name); |
| 1163 | } |
| 1164 | this.query = null; |
| 1165 | this.highlight = !!o.highlight; |
| 1166 | this.name = o.name || _.getUniqueId(); |
| 1167 | this.source = o.source; |
| 1168 | this.displayFn = getDisplayFn(o.display || o.displayKey); |
| 1169 | this.templates = getTemplates(o.templates, this.displayFn); |
| 1170 | this.$el = $(html.dataset.replace("%CLASS%", this.name)); |
| 1171 | } |
| 1172 | Dataset.extractDatasetName = function extractDatasetName(el) { |
| 1173 | return $(el).data(datasetKey); |
| 1174 | }; |
| 1175 | Dataset.extractValue = function extractDatum(el) { |
| 1176 | return $(el).data(valueKey); |
| 1177 | }; |
| 1178 | Dataset.extractDatum = function extractDatum(el) { |
| 1179 | return $(el).data(datumKey); |
| 1180 | }; |
| 1181 | _.mixin(Dataset.prototype, EventEmitter, { |
| 1182 | _render: function render(query, suggestions) { |
| 1183 | if (!this.$el) { |
| 1184 | return; |
| 1185 | } |
| 1186 | var that = this, hasSuggestions; |
| 1187 | this.$el.empty(); |
| 1188 | hasSuggestions = suggestions && suggestions.length; |
| 1189 | if (!hasSuggestions && this.templates.empty) { |
| 1190 | this.$el.html(getEmptyHtml()).prepend(that.templates.header ? getHeaderHtml() : null).append(that.templates.footer ? getFooterHtml() : null); |
| 1191 | } else if (hasSuggestions) { |
| 1192 | this.$el.html(getSuggestionsHtml()).prepend(that.templates.header ? getHeaderHtml() : null).append(that.templates.footer ? getFooterHtml() : null); |
| 1193 | } |
| 1194 | this.trigger("rendered"); |
| 1195 | function getEmptyHtml() { |
| 1196 | return that.templates.empty({ |
| 1197 | query: query, |
| 1198 | isEmpty: true |
| 1199 | }); |
| 1200 | } |
| 1201 | function getSuggestionsHtml() { |
| 1202 | var $suggestions, nodes; |
| 1203 | $suggestions = $(html.suggestions).css(css.suggestions); |
| 1204 | nodes = _.map(suggestions, getSuggestionNode); |
| 1205 | $suggestions.append.apply($suggestions, nodes); |
| 1206 | that.highlight && highlight({ |
| 1207 | className: "tt-highlight", |
| 1208 | node: $suggestions[0], |
| 1209 | pattern: query |
| 1210 | }); |
| 1211 | return $suggestions; |
| 1212 | function getSuggestionNode(suggestion) { |
| 1213 | var $el; |
| 1214 | $el = $(html.suggestion).append(that.templates.suggestion(suggestion)).data(datasetKey, that.name).data(valueKey, that.displayFn(suggestion)).data(datumKey, suggestion); |
| 1215 | $el.children().each(function() { |
| 1216 | $(this).css(css.suggestionChild); |
| 1217 | }); |
| 1218 | return $el; |
| 1219 | } |
| 1220 | } |
| 1221 | function getHeaderHtml() { |
| 1222 | return that.templates.header({ |
| 1223 | query: query, |
| 1224 | isEmpty: !hasSuggestions |
| 1225 | }); |
| 1226 | } |
| 1227 | function getFooterHtml() { |
| 1228 | return that.templates.footer({ |
| 1229 | query: query, |
| 1230 | isEmpty: !hasSuggestions |
| 1231 | }); |
| 1232 | } |
| 1233 | }, |
| 1234 | getRoot: function getRoot() { |
| 1235 | return this.$el; |
| 1236 | }, |
| 1237 | update: function update(query) { |
| 1238 | var that = this; |
| 1239 | this.query = query; |
| 1240 | this.canceled = false; |
| 1241 | this.source(query, render); |
| 1242 | function render(suggestions) { |
| 1243 | if (!that.canceled && query === that.query) { |
| 1244 | that._render(query, suggestions); |
| 1245 | } |
| 1246 | } |
| 1247 | }, |
| 1248 | cancel: function cancel() { |
| 1249 | this.canceled = true; |
| 1250 | }, |
| 1251 | clear: function clear() { |
| 1252 | this.cancel(); |
| 1253 | this.$el.empty(); |
| 1254 | this.trigger("rendered"); |
| 1255 | }, |
| 1256 | isEmpty: function isEmpty() { |
| 1257 | return this.$el.is(":empty"); |
| 1258 | }, |
| 1259 | destroy: function destroy() { |
| 1260 | this.$el = null; |
| 1261 | } |
| 1262 | }); |
| 1263 | return Dataset; |
| 1264 | function getDisplayFn(display) { |
| 1265 | display = display || "value"; |
| 1266 | return _.isFunction(display) ? display : displayFn; |
| 1267 | function displayFn(obj) { |
| 1268 | return obj[display]; |
| 1269 | } |
| 1270 | } |
| 1271 | function getTemplates(templates, displayFn) { |
| 1272 | return { |
| 1273 | empty: templates.empty && _.templatify(templates.empty), |
| 1274 | header: templates.header && _.templatify(templates.header), |
| 1275 | footer: templates.footer && _.templatify(templates.footer), |
| 1276 | suggestion: templates.suggestion || suggestionTemplate |
| 1277 | }; |
| 1278 | function suggestionTemplate(context) { |
| 1279 | return "<p>" + displayFn(context) + "</p>"; |
| 1280 | } |
| 1281 | } |
| 1282 | function isValidName(str) { |
| 1283 | return /^[_a-zA-Z0-9-]+$/.test(str); |
| 1284 | } |
| 1285 | }(); |
| 1286 | var Dropdown = function() { |
| 1287 | ; |
| 1288 | function Dropdown(o) { |
| 1289 | var that = this, onSuggestionClick, onSuggestionMouseEnter, onSuggestionMouseLeave; |
| 1290 | o = o || {}; |
| 1291 | if (!o.menu) { |
| 1292 | $.error("menu is required"); |
| 1293 | } |
| 1294 | this.isOpen = false; |
| 1295 | this.isEmpty = true; |
| 1296 | this.datasets = _.map(o.datasets, initializeDataset); |
| 1297 | onSuggestionClick = _.bind(this._onSuggestionClick, this); |
| 1298 | onSuggestionMouseEnter = _.bind(this._onSuggestionMouseEnter, this); |
| 1299 | onSuggestionMouseLeave = _.bind(this._onSuggestionMouseLeave, this); |
| 1300 | this.$menu = $(o.menu).on("click.tt", ".tt-suggestion", onSuggestionClick).on("mouseenter.tt", ".tt-suggestion", onSuggestionMouseEnter).on("mouseleave.tt", ".tt-suggestion", onSuggestionMouseLeave); |
| 1301 | _.each(this.datasets, function(dataset) { |
| 1302 | that.$menu.append(dataset.getRoot()); |
| 1303 | dataset.onSync("rendered", that._onRendered, that); |
| 1304 | }); |
| 1305 | } |
| 1306 | _.mixin(Dropdown.prototype, EventEmitter, { |
| 1307 | _onSuggestionClick: function onSuggestionClick($e) { |
| 1308 | this.trigger("suggestionClicked", $($e.currentTarget)); |
| 1309 | }, |
| 1310 | _onSuggestionMouseEnter: function onSuggestionMouseEnter($e) { |
| 1311 | this._removeCursor(); |
| 1312 | this._setCursor($($e.currentTarget), true); |
| 1313 | }, |
| 1314 | _onSuggestionMouseLeave: function onSuggestionMouseLeave() { |
| 1315 | this._removeCursor(); |
| 1316 | }, |
| 1317 | _onRendered: function onRendered() { |
| 1318 | this.isEmpty = _.every(this.datasets, isDatasetEmpty); |
| 1319 | this.isEmpty ? this._hide() : this.isOpen && this._show(); |
| 1320 | this.trigger("datasetRendered"); |
| 1321 | function isDatasetEmpty(dataset) { |
| 1322 | return dataset.isEmpty(); |
| 1323 | } |
| 1324 | }, |
| 1325 | _hide: function() { |
| 1326 | this.$menu.hide(); |
| 1327 | }, |
| 1328 | _show: function() { |
| 1329 | this.$menu.css("display", "block"); |
| 1330 | }, |
| 1331 | _getSuggestions: function getSuggestions() { |
| 1332 | return this.$menu.find(".tt-suggestion"); |
| 1333 | }, |
| 1334 | _getCursor: function getCursor() { |
| 1335 | return this.$menu.find(".tt-cursor").first(); |
| 1336 | }, |
| 1337 | _setCursor: function setCursor($el, silent) { |
| 1338 | $el.first().addClass("tt-cursor"); |
| 1339 | !silent && this.trigger("cursorMoved"); |
| 1340 | }, |
| 1341 | _removeCursor: function removeCursor() { |
| 1342 | this._getCursor().removeClass("tt-cursor"); |
| 1343 | }, |
| 1344 | _moveCursor: function moveCursor(increment) { |
| 1345 | var $suggestions, $oldCursor, newCursorIndex, $newCursor; |
| 1346 | if (!this.isOpen) { |
| 1347 | return; |
| 1348 | } |
| 1349 | $oldCursor = this._getCursor(); |
| 1350 | $suggestions = this._getSuggestions(); |
| 1351 | this._removeCursor(); |
| 1352 | newCursorIndex = $suggestions.index($oldCursor) + increment; |
| 1353 | newCursorIndex = (newCursorIndex + 1) % ($suggestions.length + 1) - 1; |
| 1354 | if (newCursorIndex === -1) { |
| 1355 | this.trigger("cursorRemoved"); |
| 1356 | return; |
| 1357 | } else if (newCursorIndex < -1) { |
| 1358 | newCursorIndex = $suggestions.length - 1; |
| 1359 | } |
| 1360 | this._setCursor($newCursor = $suggestions.eq(newCursorIndex)); |
| 1361 | this._ensureVisible($newCursor); |
| 1362 | }, |
| 1363 | _ensureVisible: function ensureVisible($el) { |
| 1364 | var elTop, elBottom, menuScrollTop, menuHeight; |
| 1365 | elTop = $el.position().top; |
| 1366 | elBottom = elTop + $el.outerHeight(true); |
| 1367 | menuScrollTop = this.$menu.scrollTop(); |
| 1368 | menuHeight = this.$menu.height() + parseInt(this.$menu.css("paddingTop"), 10) + parseInt(this.$menu.css("paddingBottom"), 10); |
| 1369 | if (elTop < 0) { |
| 1370 | this.$menu.scrollTop(menuScrollTop + elTop); |
| 1371 | } else if (menuHeight < elBottom) { |
| 1372 | this.$menu.scrollTop(menuScrollTop + (elBottom - menuHeight)); |
| 1373 | } |
| 1374 | }, |
| 1375 | close: function close() { |
| 1376 | if (this.isOpen) { |
| 1377 | this.isOpen = false; |
| 1378 | this._removeCursor(); |
| 1379 | this._hide(); |
| 1380 | this.trigger("closed"); |
| 1381 | } |
| 1382 | }, |
| 1383 | open: function open() { |
| 1384 | if (!this.isOpen) { |
| 1385 | this.isOpen = true; |
| 1386 | !this.isEmpty && this._show(); |
| 1387 | this.trigger("opened"); |
| 1388 | } |
| 1389 | }, |
| 1390 | setLanguageDirection: function setLanguageDirection(dir) { |
| 1391 | this.$menu.css(dir === "ltr" ? css.ltr : css.rtl); |
| 1392 | }, |
| 1393 | moveCursorUp: function moveCursorUp() { |
| 1394 | this._moveCursor(-1); |
| 1395 | }, |
| 1396 | moveCursorDown: function moveCursorDown() { |
| 1397 | this._moveCursor(+1); |
| 1398 | }, |
| 1399 | getDatumForSuggestion: function getDatumForSuggestion($el) { |
| 1400 | var datum = null; |
| 1401 | if ($el.length) { |
| 1402 | datum = { |
| 1403 | raw: Dataset.extractDatum($el), |
| 1404 | value: Dataset.extractValue($el), |
| 1405 | datasetName: Dataset.extractDatasetName($el) |
| 1406 | }; |
| 1407 | } |
| 1408 | return datum; |
| 1409 | }, |
| 1410 | getDatumForCursor: function getDatumForCursor() { |
| 1411 | return this.getDatumForSuggestion(this._getCursor().first()); |
| 1412 | }, |
| 1413 | getDatumForTopSuggestion: function getDatumForTopSuggestion() { |
| 1414 | return this.getDatumForSuggestion(this._getSuggestions().first()); |
| 1415 | }, |
| 1416 | update: function update(query) { |
| 1417 | _.each(this.datasets, updateDataset); |
| 1418 | function updateDataset(dataset) { |
| 1419 | dataset.update(query); |
| 1420 | } |
| 1421 | }, |
| 1422 | empty: function empty() { |
| 1423 | _.each(this.datasets, clearDataset); |
| 1424 | this.isEmpty = true; |
| 1425 | function clearDataset(dataset) { |
| 1426 | dataset.clear(); |
| 1427 | } |
| 1428 | }, |
| 1429 | isVisible: function isVisible() { |
| 1430 | return this.isOpen && !this.isEmpty; |
| 1431 | }, |
| 1432 | destroy: function destroy() { |
| 1433 | this.$menu.off(".tt"); |
| 1434 | this.$menu = null; |
| 1435 | _.each(this.datasets, destroyDataset); |
| 1436 | function destroyDataset(dataset) { |
| 1437 | dataset.destroy(); |
| 1438 | } |
| 1439 | } |
| 1440 | }); |
| 1441 | return Dropdown; |
| 1442 | function initializeDataset(oDataset) { |
| 1443 | return new Dataset(oDataset); |
| 1444 | } |
| 1445 | }(); |
| 1446 | var Typeahead = function() { |
| 1447 | ; |
| 1448 | var attrsKey = "ttAttrs"; |
| 1449 | function Typeahead(o) { |
| 1450 | var $menu, $input, $hint; |
| 1451 | o = o || {}; |
| 1452 | if (!o.input) { |
| 1453 | $.error("missing input"); |
| 1454 | } |
| 1455 | this.isActivated = false; |
| 1456 | this.autoselect = !!o.autoselect; |
| 1457 | this.minLength = _.isNumber(o.minLength) ? o.minLength : 1; |
| 1458 | this.$node = buildDom(o.input, o.withHint); |
| 1459 | $menu = this.$node.find(".tt-dropdown-menu"); |
| 1460 | $input = this.$node.find(".tt-input"); |
| 1461 | $hint = this.$node.find(".tt-hint"); |
| 1462 | $input.on("blur.tt", function($e) { |
| 1463 | var active, isActive, hasActive; |
| 1464 | active = document.activeElement; |
| 1465 | isActive = $menu.is(active); |
| 1466 | hasActive = $menu.has(active).length > 0; |
| 1467 | if (_.isMsie() && (isActive || hasActive)) { |
| 1468 | $e.preventDefault(); |
| 1469 | $e.stopImmediatePropagation(); |
| 1470 | _.defer(function() { |
| 1471 | $input.focus(); |
| 1472 | }); |
| 1473 | } |
| 1474 | }); |
| 1475 | $menu.on("mousedown.tt", function($e) { |
| 1476 | $e.preventDefault(); |
| 1477 | }); |
| 1478 | this.eventBus = o.eventBus || new EventBus({ |
| 1479 | el: $input |
| 1480 | }); |
| 1481 | this.dropdown = new Dropdown({ |
| 1482 | menu: $menu, |
| 1483 | datasets: o.datasets |
| 1484 | }).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); |
| 1485 | this.input = new Input({ |
| 1486 | input: $input, |
| 1487 | hint: $hint |
| 1488 | }).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); |
| 1489 | this._setLanguageDirection(); |
| 1490 | } |
| 1491 | _.mixin(Typeahead.prototype, { |
| 1492 | _onSuggestionClicked: function onSuggestionClicked(type, $el) { |
| 1493 | var datum; |
| 1494 | if (datum = this.dropdown.getDatumForSuggestion($el)) { |
| 1495 | this._select(datum); |
| 1496 | } |
| 1497 | }, |
| 1498 | _onCursorMoved: function onCursorMoved() { |
| 1499 | var datum = this.dropdown.getDatumForCursor(); |
| 1500 | this.input.setInputValue(datum.value, true); |
| 1501 | this.eventBus.trigger("cursorchanged", datum.raw, datum.datasetName); |
| 1502 | }, |
| 1503 | _onCursorRemoved: function onCursorRemoved() { |
| 1504 | this.input.resetInputValue(); |
| 1505 | this._updateHint(); |
| 1506 | }, |
| 1507 | _onDatasetRendered: function onDatasetRendered() { |
| 1508 | this._updateHint(); |
| 1509 | }, |
| 1510 | _onOpened: function onOpened() { |
| 1511 | this._updateHint(); |
| 1512 | this.eventBus.trigger("opened"); |
| 1513 | }, |
| 1514 | _onClosed: function onClosed() { |
| 1515 | this.input.clearHint(); |
| 1516 | this.eventBus.trigger("closed"); |
| 1517 | }, |
| 1518 | _onFocused: function onFocused() { |
| 1519 | this.isActivated = true; |
| 1520 | this.dropdown.open(); |
| 1521 | }, |
| 1522 | _onBlurred: function onBlurred() { |
| 1523 | this.isActivated = false; |
| 1524 | this.dropdown.empty(); |
| 1525 | this.dropdown.close(); |
| 1526 | }, |
| 1527 | _onEnterKeyed: function onEnterKeyed(type, $e) { |
| 1528 | var cursorDatum, topSuggestionDatum; |
| 1529 | cursorDatum = this.dropdown.getDatumForCursor(); |
| 1530 | topSuggestionDatum = this.dropdown.getDatumForTopSuggestion(); |
| 1531 | if (cursorDatum) { |
| 1532 | this._select(cursorDatum); |
| 1533 | $e.preventDefault(); |
| 1534 | } else if (this.autoselect && topSuggestionDatum) { |
| 1535 | this._select(topSuggestionDatum); |
| 1536 | $e.preventDefault(); |
| 1537 | } |
| 1538 | }, |
| 1539 | _onTabKeyed: function onTabKeyed(type, $e) { |
| 1540 | var datum; |
| 1541 | if (datum = this.dropdown.getDatumForCursor()) { |
| 1542 | this._select(datum); |
| 1543 | $e.preventDefault(); |
| 1544 | } else { |
| 1545 | this._autocomplete(true); |
| 1546 | } |
| 1547 | }, |
| 1548 | _onEscKeyed: function onEscKeyed() { |
| 1549 | this.dropdown.close(); |
| 1550 | this.input.resetInputValue(); |
| 1551 | }, |
| 1552 | _onUpKeyed: function onUpKeyed() { |
| 1553 | var query = this.input.getQuery(); |
| 1554 | this.dropdown.isEmpty && query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.moveCursorUp(); |
| 1555 | this.dropdown.open(); |
| 1556 | }, |
| 1557 | _onDownKeyed: function onDownKeyed() { |
| 1558 | var query = this.input.getQuery(); |
| 1559 | this.dropdown.isEmpty && query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.moveCursorDown(); |
| 1560 | this.dropdown.open(); |
| 1561 | }, |
| 1562 | _onLeftKeyed: function onLeftKeyed() { |
| 1563 | this.dir === "rtl" && this._autocomplete(); |
| 1564 | }, |
| 1565 | _onRightKeyed: function onRightKeyed() { |
| 1566 | this.dir === "ltr" && this._autocomplete(); |
| 1567 | }, |
| 1568 | _onQueryChanged: function onQueryChanged(e, query) { |
| 1569 | this.input.clearHintIfInvalid(); |
| 1570 | query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.empty(); |
| 1571 | this.dropdown.open(); |
| 1572 | this._setLanguageDirection(); |
| 1573 | }, |
| 1574 | _onWhitespaceChanged: function onWhitespaceChanged() { |
| 1575 | this._updateHint(); |
| 1576 | this.dropdown.open(); |
| 1577 | }, |
| 1578 | _setLanguageDirection: function setLanguageDirection() { |
| 1579 | var dir; |
| 1580 | if (this.dir !== (dir = this.input.getLanguageDirection())) { |
| 1581 | this.dir = dir; |
| 1582 | this.$node.css("direction", dir); |
| 1583 | this.dropdown.setLanguageDirection(dir); |
| 1584 | } |
| 1585 | }, |
| 1586 | _updateHint: function updateHint() { |
| 1587 | var datum, val, query, escapedQuery, frontMatchRegEx, match; |
| 1588 | datum = this.dropdown.getDatumForTopSuggestion(); |
| 1589 | if (datum && this.dropdown.isVisible() && !this.input.hasOverflow()) { |
| 1590 | val = this.input.getInputValue(); |
| 1591 | query = Input.normalizeQuery(val); |
| 1592 | escapedQuery = _.escapeRegExChars(query); |
| 1593 | frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.+$)", "i"); |
| 1594 | match = frontMatchRegEx.exec(datum.value); |
| 1595 | match ? this.input.setHint(val + match[1]) : this.input.clearHint(); |
| 1596 | } else { |
| 1597 | this.input.clearHint(); |
| 1598 | } |
| 1599 | }, |
| 1600 | _autocomplete: function autocomplete(laxCursor) { |
| 1601 | var hint, query, isCursorAtEnd, datum; |
| 1602 | hint = this.input.getHint(); |
| 1603 | query = this.input.getQuery(); |
| 1604 | isCursorAtEnd = laxCursor || this.input.isCursorAtEnd(); |
| 1605 | if (hint && query !== hint && isCursorAtEnd) { |
| 1606 | datum = this.dropdown.getDatumForTopSuggestion(); |
| 1607 | datum && this.input.setInputValue(datum.value); |
| 1608 | this.eventBus.trigger("autocompleted", datum.raw, datum.datasetName); |
| 1609 | } |
| 1610 | }, |
| 1611 | _select: function select(datum) { |
| 1612 | this.input.setQuery(datum.value); |
| 1613 | this.input.setInputValue(datum.value, true); |
| 1614 | this._setLanguageDirection(); |
| 1615 | this.eventBus.trigger("selected", datum.raw, datum.datasetName); |
| 1616 | this.dropdown.close(); |
| 1617 | _.defer(_.bind(this.dropdown.empty, this.dropdown)); |
| 1618 | }, |
| 1619 | open: function open() { |
| 1620 | this.dropdown.open(); |
| 1621 | }, |
| 1622 | close: function close() { |
| 1623 | this.dropdown.close(); |
| 1624 | }, |
| 1625 | setVal: function setVal(val) { |
| 1626 | val = _.toStr(val); |
| 1627 | if (this.isActivated) { |
| 1628 | this.input.setInputValue(val); |
| 1629 | } else { |
| 1630 | this.input.setQuery(val); |
| 1631 | this.input.setInputValue(val, true); |
| 1632 | } |
| 1633 | this._setLanguageDirection(); |
| 1634 | }, |
| 1635 | getVal: function getVal() { |
| 1636 | return this.input.getQuery(); |
| 1637 | }, |
| 1638 | destroy: function destroy() { |
| 1639 | this.input.destroy(); |
| 1640 | this.dropdown.destroy(); |
| 1641 | destroyDomStructure(this.$node); |
| 1642 | this.$node = null; |
| 1643 | } |
| 1644 | }); |
| 1645 | return Typeahead; |
| 1646 | function buildDom(input, withHint) { |
| 1647 | var $input, $wrapper, $dropdown, $hint; |
| 1648 | $input = $(input); |
| 1649 | $wrapper = $(html.wrapper).css(css.wrapper); |
| 1650 | $dropdown = $(html.dropdown).css(css.dropdown); |
| 1651 | $hint = $input.clone().css(css.hint).css(getBackgroundStyles($input)); |
| 1652 | $hint.val("").removeData().addClass("tt-hint").removeAttr("id name placeholder required").prop("readonly", true).attr({ |
| 1653 | autocomplete: "off", |
| 1654 | spellcheck: "false", |
| 1655 | tabindex: -1 |
| 1656 | }); |
| 1657 | $input.data(attrsKey, { |
| 1658 | dir: $input.attr("dir"), |
| 1659 | autocomplete: $input.attr("autocomplete"), |
| 1660 | spellcheck: $input.attr("spellcheck"), |
| 1661 | style: $input.attr("style") |
| 1662 | }); |
| 1663 | $input.addClass("tt-input").attr({ |
| 1664 | autocomplete: "off", |
| 1665 | spellcheck: false |
| 1666 | }).css(withHint ? css.input : css.inputWithNoHint); |
| 1667 | try { |
| 1668 | !$input.attr("dir") && $input.attr("dir", "auto"); |
| 1669 | } catch (e) {} |
| 1670 | return $input.wrap($wrapper).parent().prepend(withHint ? $hint : null).append($dropdown); |
| 1671 | } |
| 1672 | function getBackgroundStyles($el) { |
| 1673 | return { |
| 1674 | backgroundAttachment: $el.css("background-attachment"), |
| 1675 | backgroundClip: $el.css("background-clip"), |
| 1676 | backgroundColor: $el.css("background-color"), |
| 1677 | backgroundImage: $el.css("background-image"), |
| 1678 | backgroundOrigin: $el.css("background-origin"), |
| 1679 | backgroundPosition: $el.css("background-position"), |
| 1680 | backgroundRepeat: $el.css("background-repeat"), |
| 1681 | backgroundSize: $el.css("background-size") |
| 1682 | }; |
| 1683 | } |
| 1684 | function destroyDomStructure($node) { |
| 1685 | var $input = $node.find(".tt-input"); |
| 1686 | _.each($input.data(attrsKey), function(val, key) { |
| 1687 | _.isUndefined(val) ? $input.removeAttr(key) : $input.attr(key, val); |
| 1688 | }); |
| 1689 | $input.detach().removeData(attrsKey).removeClass("tt-input").insertAfter($node); |
| 1690 | $node.remove(); |
| 1691 | } |
| 1692 | }(); |
| 1693 | (function() { |
| 1694 | ; |
| 1695 | var old, typeaheadKey, methods; |
| 1696 | old = $.fn.typeahead; |
| 1697 | typeaheadKey = "ttTypeahead"; |
| 1698 | methods = { |
| 1699 | initialize: function initialize(o, datasets) { |
| 1700 | datasets = _.isArray(datasets) ? datasets : [].slice.call(arguments, 1); |
| 1701 | o = o || {}; |
| 1702 | return this.each(attach); |
| 1703 | function attach() { |
| 1704 | var $input = $(this), eventBus, typeahead; |
| 1705 | _.each(datasets, function(d) { |
| 1706 | d.highlight = !!o.highlight; |
| 1707 | }); |
| 1708 | typeahead = new Typeahead({ |
| 1709 | input: $input, |
| 1710 | eventBus: eventBus = new EventBus({ |
| 1711 | el: $input |
| 1712 | }), |
| 1713 | withHint: _.isUndefined(o.hint) ? true : !!o.hint, |
| 1714 | minLength: o.minLength, |
| 1715 | autoselect: o.autoselect, |
| 1716 | datasets: datasets |
| 1717 | }); |
| 1718 | $input.data(typeaheadKey, typeahead); |
| 1719 | } |
| 1720 | }, |
| 1721 | open: function open() { |
| 1722 | return this.each(openTypeahead); |
| 1723 | function openTypeahead() { |
| 1724 | var $input = $(this), typeahead; |
| 1725 | if (typeahead = $input.data(typeaheadKey)) { |
| 1726 | typeahead.open(); |
| 1727 | } |
| 1728 | } |
| 1729 | }, |
| 1730 | close: function close() { |
| 1731 | return this.each(closeTypeahead); |
| 1732 | function closeTypeahead() { |
| 1733 | var $input = $(this), typeahead; |
| 1734 | if (typeahead = $input.data(typeaheadKey)) { |
| 1735 | typeahead.close(); |
| 1736 | } |
| 1737 | } |
| 1738 | }, |
| 1739 | val: function val(newVal) { |
| 1740 | return !arguments.length ? getVal(this.first()) : this.each(setVal); |
| 1741 | function setVal() { |
| 1742 | var $input = $(this), typeahead; |
| 1743 | if (typeahead = $input.data(typeaheadKey)) { |
| 1744 | typeahead.setVal(newVal); |
| 1745 | } |
| 1746 | } |
| 1747 | function getVal($input) { |
| 1748 | var typeahead, query; |
| 1749 | if (typeahead = $input.data(typeaheadKey)) { |
| 1750 | query = typeahead.getVal(); |
| 1751 | } |
| 1752 | return query; |
| 1753 | } |
| 1754 | }, |
| 1755 | destroy: function destroy() { |
| 1756 | return this.each(unattach); |
| 1757 | function unattach() { |
| 1758 | var $input = $(this), typeahead; |
| 1759 | if (typeahead = $input.data(typeaheadKey)) { |
| 1760 | typeahead.destroy(); |
| 1761 | $input.removeData(typeaheadKey); |
| 1762 | } |
| 1763 | } |
| 1764 | } |
| 1765 | }; |
| 1766 | $.fn.typeahead = function(method) { |
| 1767 | var tts; |
| 1768 | if (methods[method] && method !== "initialize") { |
| 1769 | tts = this.filter(function() { |
| 1770 | return !!$(this).data(typeaheadKey); |
| 1771 | }); |
| 1772 | return methods[method].apply(tts, [].slice.call(arguments, 1)); |
| 1773 | } else { |
| 1774 | return methods.initialize.apply(this, arguments); |
| 1775 | } |
| 1776 | }; |
| 1777 | $.fn.typeahead.noConflict = function noConflict() { |
| 1778 | $.fn.typeahead = old; |
| 1779 | return this; |
| 1780 | }; |
| 1781 | })(); |
| 1782 | })(window.jQuery); |
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