1782 lines
70 KiB
JavaScript
1782 lines
70 KiB
JavaScript
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/*!
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* typeahead.js 0.10.4
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* https://github.com/twitter/typeahead.js
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* Copyright 2013-2014 Twitter, Inc. and other contributors; Licensed MIT
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*/
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(function($) {
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var _ = function() {
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"use strict";
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return {
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isMsie: function() {
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return /(msie|trident)/i.test(navigator.userAgent) ? navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2] : false;
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},
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isBlankString: function(str) {
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return !str || /^\s*$/.test(str);
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},
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escapeRegExChars: function(str) {
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return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
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},
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isString: function(obj) {
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return typeof obj === "string";
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},
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isNumber: function(obj) {
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return typeof obj === "number";
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},
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isArray: $.isArray,
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isFunction: $.isFunction,
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isObject: $.isPlainObject,
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isUndefined: function(obj) {
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return typeof obj === "undefined";
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},
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toStr: function toStr(s) {
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return _.isUndefined(s) || s === null ? "" : s + "";
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},
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bind: $.proxy,
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each: function(collection, cb) {
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$.each(collection, reverseArgs);
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function reverseArgs(index, value) {
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return cb(value, index);
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}
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},
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map: $.map,
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filter: $.grep,
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every: function(obj, test) {
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var result = true;
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if (!obj) {
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return result;
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}
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$.each(obj, function(key, val) {
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if (!(result = test.call(null, val, key, obj))) {
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return false;
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}
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});
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return !!result;
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},
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some: function(obj, test) {
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var result = false;
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if (!obj) {
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return result;
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}
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$.each(obj, function(key, val) {
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if (result = test.call(null, val, key, obj)) {
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return false;
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}
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});
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return !!result;
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},
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mixin: $.extend,
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getUniqueId: function() {
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var counter = 0;
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return function() {
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return counter++;
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};
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}(),
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templatify: function templatify(obj) {
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return $.isFunction(obj) ? obj : template;
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function template() {
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return String(obj);
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}
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},
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defer: function(fn) {
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setTimeout(fn, 0);
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},
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debounce: function(func, wait, immediate) {
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var timeout, result;
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return function() {
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var context = this, args = arguments, later, callNow;
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later = function() {
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timeout = null;
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if (!immediate) {
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result = func.apply(context, args);
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}
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};
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callNow = immediate && !timeout;
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clearTimeout(timeout);
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timeout = setTimeout(later, wait);
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if (callNow) {
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result = func.apply(context, args);
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}
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return result;
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};
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},
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throttle: function(func, wait) {
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var context, args, timeout, result, previous, later;
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previous = 0;
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later = function() {
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previous = new Date();
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timeout = null;
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result = func.apply(context, args);
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};
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return function() {
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var now = new Date(), remaining = wait - (now - previous);
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context = this;
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args = arguments;
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if (remaining <= 0) {
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clearTimeout(timeout);
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timeout = null;
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previous = now;
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result = func.apply(context, args);
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} else if (!timeout) {
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timeout = setTimeout(later, remaining);
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}
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return result;
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};
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},
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noop: function() {}
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};
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}();
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var VERSION = "0.10.4";
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var tokenizers = function() {
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"use strict";
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return {
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nonword: nonword,
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whitespace: whitespace,
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obj: {
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nonword: getObjTokenizer(nonword),
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whitespace: getObjTokenizer(whitespace)
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}
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};
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function whitespace(str) {
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str = _.toStr(str);
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return str ? str.split(/\s+/) : [];
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}
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function nonword(str) {
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str = _.toStr(str);
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return str ? str.split(/\W+/) : [];
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}
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function getObjTokenizer(tokenizer) {
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return function setKey() {
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var args = [].slice.call(arguments, 0);
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return function tokenize(o) {
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var tokens = [];
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_.each(args, function(k) {
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tokens = tokens.concat(tokenizer(_.toStr(o[k])));
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});
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return tokens;
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};
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};
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}
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}();
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var LruCache = function() {
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"use strict";
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function LruCache(maxSize) {
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this.maxSize = _.isNumber(maxSize) ? maxSize : 100;
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this.reset();
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if (this.maxSize <= 0) {
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this.set = this.get = $.noop;
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}
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}
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_.mixin(LruCache.prototype, {
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set: function set(key, val) {
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var tailItem = this.list.tail, node;
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if (this.size >= this.maxSize) {
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this.list.remove(tailItem);
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delete this.hash[tailItem.key];
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}
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if (node = this.hash[key]) {
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node.val = val;
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this.list.moveToFront(node);
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} else {
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node = new Node(key, val);
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this.list.add(node);
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this.hash[key] = node;
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this.size++;
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}
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},
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get: function get(key) {
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var node = this.hash[key];
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if (node) {
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this.list.moveToFront(node);
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return node.val;
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}
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},
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reset: function reset() {
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this.size = 0;
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this.hash = {};
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this.list = new List();
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}
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});
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function List() {
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this.head = this.tail = null;
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}
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_.mixin(List.prototype, {
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add: function add(node) {
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if (this.head) {
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node.next = this.head;
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this.head.prev = node;
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}
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this.head = node;
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this.tail = this.tail || node;
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},
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remove: function remove(node) {
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node.prev ? node.prev.next = node.next : this.head = node.next;
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node.next ? node.next.prev = node.prev : this.tail = node.prev;
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},
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moveToFront: function(node) {
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this.remove(node);
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this.add(node);
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}
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});
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function Node(key, val) {
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this.key = key;
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this.val = val;
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this.prev = this.next = null;
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}
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return LruCache;
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}();
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var PersistentStorage = function() {
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"use strict";
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var ls, methods;
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try {
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ls = window.localStorage;
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ls.setItem("~~~", "!");
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ls.removeItem("~~~");
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} catch (err) {
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ls = null;
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}
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function PersistentStorage(namespace) {
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this.prefix = [ "__", namespace, "__" ].join("");
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this.ttlKey = "__ttl__";
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this.keyMatcher = new RegExp("^" + _.escapeRegExChars(this.prefix));
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}
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if (ls && window.JSON) {
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methods = {
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_prefix: function(key) {
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return this.prefix + key;
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},
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_ttlKey: function(key) {
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return this._prefix(key) + this.ttlKey;
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},
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get: function(key) {
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if (this.isExpired(key)) {
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this.remove(key);
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}
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return decode(ls.getItem(this._prefix(key)));
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},
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set: function(key, val, ttl) {
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if (_.isNumber(ttl)) {
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ls.setItem(this._ttlKey(key), encode(now() + ttl));
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} else {
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ls.removeItem(this._ttlKey(key));
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}
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return ls.setItem(this._prefix(key), encode(val));
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},
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remove: function(key) {
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ls.removeItem(this._ttlKey(key));
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ls.removeItem(this._prefix(key));
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return this;
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},
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clear: function() {
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var i, key, keys = [], len = ls.length;
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for (i = 0; i < len; i++) {
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if ((key = ls.key(i)).match(this.keyMatcher)) {
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keys.push(key.replace(this.keyMatcher, ""));
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}
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}
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for (i = keys.length; i--; ) {
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this.remove(keys[i]);
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}
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return this;
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},
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isExpired: function(key) {
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var ttl = decode(ls.getItem(this._ttlKey(key)));
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return _.isNumber(ttl) && now() > ttl ? true : false;
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}
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};
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} else {
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methods = {
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get: _.noop,
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set: _.noop,
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remove: _.noop,
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clear: _.noop,
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isExpired: _.noop
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};
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}
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_.mixin(PersistentStorage.prototype, methods);
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return PersistentStorage;
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function now() {
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return new Date().getTime();
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}
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function encode(val) {
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return JSON.stringify(_.isUndefined(val) ? null : val);
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}
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function decode(val) {
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return JSON.parse(val);
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}
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}();
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var Transport = function() {
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"use strict";
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var pendingRequestsCount = 0, pendingRequests = {}, maxPendingRequests = 6, sharedCache = new LruCache(10);
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function Transport(o) {
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o = o || {};
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this.cancelled = false;
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this.lastUrl = null;
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this._send = o.transport ? callbackToDeferred(o.transport) : $.ajax;
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this._get = o.rateLimiter ? o.rateLimiter(this._get) : this._get;
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this._cache = o.cache === false ? new LruCache(0) : sharedCache;
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}
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Transport.setMaxPendingRequests = function setMaxPendingRequests(num) {
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maxPendingRequests = num;
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};
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Transport.resetCache = function resetCache() {
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sharedCache.reset();
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};
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_.mixin(Transport.prototype, {
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_get: function(url, o, cb) {
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var that = this, jqXhr;
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if (this.cancelled || url !== this.lastUrl) {
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return;
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}
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if (jqXhr = pendingRequests[url]) {
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jqXhr.done(done).fail(fail);
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||
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} else if (pendingRequestsCount < maxPendingRequests) {
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pendingRequestsCount++;
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pendingRequests[url] = this._send(url, o).done(done).fail(fail).always(always);
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||
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} else {
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||
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this.onDeckRequestArgs = [].slice.call(arguments, 0);
|
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}
|
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function done(resp) {
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cb && cb(null, resp);
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that._cache.set(url, resp);
|
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}
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function fail() {
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cb && cb(true);
|
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}
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function always() {
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pendingRequestsCount--;
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delete pendingRequests[url];
|
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if (that.onDeckRequestArgs) {
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that._get.apply(that, that.onDeckRequestArgs);
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that.onDeckRequestArgs = null;
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||
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}
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||
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}
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||
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},
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get: function(url, o, cb) {
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var resp;
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if (_.isFunction(o)) {
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cb = o;
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o = {};
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||
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}
|
||
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this.cancelled = false;
|
||
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this.lastUrl = url;
|
||
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if (resp = this._cache.get(url)) {
|
||
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_.defer(function() {
|
||
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cb && cb(null, resp);
|
||
|
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});
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} else {
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this._get(url, o, cb);
|
||
|
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}
|
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return !!resp;
|
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},
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cancel: function() {
|
||
|
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this.cancelled = true;
|
||
|
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}
|
||
|
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});
|
||
|
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return Transport;
|
||
|
|
function callbackToDeferred(fn) {
|
||
|
|
return function customSendWrapper(url, o) {
|
||
|
|
var deferred = $.Deferred();
|
||
|
|
fn(url, o, onSuccess, onError);
|
||
|
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return deferred;
|
||
|
|
function onSuccess(resp) {
|
||
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_.defer(function() {
|
||
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deferred.resolve(resp);
|
||
|
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});
|
||
|
|
}
|
||
|
|
function onError(err) {
|
||
|
|
_.defer(function() {
|
||
|
|
deferred.reject(err);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
var SearchIndex = function() {
|
||
|
|
"use strict";
|
||
|
|
function SearchIndex(o) {
|
||
|
|
o = o || {};
|
||
|
|
if (!o.datumTokenizer || !o.queryTokenizer) {
|
||
|
|
$.error("datumTokenizer and queryTokenizer are both required");
|
||
|
|
}
|
||
|
|
this.datumTokenizer = o.datumTokenizer;
|
||
|
|
this.queryTokenizer = o.queryTokenizer;
|
||
|
|
this.reset();
|
||
|
|
}
|
||
|
|
_.mixin(SearchIndex.prototype, {
|
||
|
|
bootstrap: function bootstrap(o) {
|
||
|
|
this.datums = o.datums;
|
||
|
|
this.trie = o.trie;
|
||
|
|
},
|
||
|
|
add: function(data) {
|
||
|
|
var that = this;
|
||
|
|
data = _.isArray(data) ? data : [ data ];
|
||
|
|
_.each(data, function(datum) {
|
||
|
|
var id, tokens;
|
||
|
|
id = that.datums.push(datum) - 1;
|
||
|
|
tokens = normalizeTokens(that.datumTokenizer(datum));
|
||
|
|
_.each(tokens, function(token) {
|
||
|
|
var node, chars, ch;
|
||
|
|
node = that.trie;
|
||
|
|
chars = token.split("");
|
||
|
|
while (ch = chars.shift()) {
|
||
|
|
node = node.children[ch] || (node.children[ch] = newNode());
|
||
|
|
node.ids.push(id);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
},
|
||
|
|
get: function get(query) {
|
||
|
|
var that = this, tokens, matches;
|
||
|
|
tokens = normalizeTokens(this.queryTokenizer(query));
|
||
|
|
_.each(tokens, function(token) {
|
||
|
|
var node, chars, ch, ids;
|
||
|
|
if (matches && matches.length === 0) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
node = that.trie;
|
||
|
|
chars = token.split("");
|
||
|
|
while (node && (ch = chars.shift())) {
|
||
|
|
node = node.children[ch];
|
||
|
|
}
|
||
|
|
if (node && chars.length === 0) {
|
||
|
|
ids = node.ids.slice(0);
|
||
|
|
matches = matches ? getIntersection(matches, ids) : ids;
|
||
|
|
} else {
|
||
|
|
matches = [];
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return matches ? _.map(unique(matches), function(id) {
|
||
|
|
return that.datums[id];
|
||
|
|
}) : [];
|
||
|
|
},
|
||
|
|
reset: function reset() {
|
||
|
|
this.datums = [];
|
||
|
|
this.trie = newNode();
|
||
|
|
},
|
||
|
|
serialize: function serialize() {
|
||
|
|
return {
|
||
|
|
datums: this.datums,
|
||
|
|
trie: this.trie
|
||
|
|
};
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return SearchIndex;
|
||
|
|
function normalizeTokens(tokens) {
|
||
|
|
tokens = _.filter(tokens, function(token) {
|
||
|
|
return !!token;
|
||
|
|
});
|
||
|
|
tokens = _.map(tokens, function(token) {
|
||
|
|
return token.toLowerCase();
|
||
|
|
});
|
||
|
|
return tokens;
|
||
|
|
}
|
||
|
|
function newNode() {
|
||
|
|
return {
|
||
|
|
ids: [],
|
||
|
|
children: {}
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function unique(array) {
|
||
|
|
var seen = {}, uniques = [];
|
||
|
|
for (var i = 0, len = array.length; i < len; i++) {
|
||
|
|
if (!seen[array[i]]) {
|
||
|
|
seen[array[i]] = true;
|
||
|
|
uniques.push(array[i]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return uniques;
|
||
|
|
}
|
||
|
|
function getIntersection(arrayA, arrayB) {
|
||
|
|
var ai = 0, bi = 0, intersection = [];
|
||
|
|
arrayA = arrayA.sort(compare);
|
||
|
|
arrayB = arrayB.sort(compare);
|
||
|
|
var lenArrayA = arrayA.length, lenArrayB = arrayB.length;
|
||
|
|
while (ai < lenArrayA && bi < lenArrayB) {
|
||
|
|
if (arrayA[ai] < arrayB[bi]) {
|
||
|
|
ai++;
|
||
|
|
} else if (arrayA[ai] > arrayB[bi]) {
|
||
|
|
bi++;
|
||
|
|
} else {
|
||
|
|
intersection.push(arrayA[ai]);
|
||
|
|
ai++;
|
||
|
|
bi++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return intersection;
|
||
|
|
function compare(a, b) {
|
||
|
|
return a - b;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
var oParser = function() {
|
||
|
|
"use strict";
|
||
|
|
return {
|
||
|
|
local: getLocal,
|
||
|
|
prefetch: getPrefetch,
|
||
|
|
remote: getRemote
|
||
|
|
};
|
||
|
|
function getLocal(o) {
|
||
|
|
return o.local || null;
|
||
|
|
}
|
||
|
|
function getPrefetch(o) {
|
||
|
|
var prefetch, defaults;
|
||
|
|
defaults = {
|
||
|
|
url: null,
|
||
|
|
thumbprint: "",
|
||
|
|
ttl: 24 * 60 * 60 * 1e3,
|
||
|
|
filter: null,
|
||
|
|
ajax: {}
|
||
|
|
};
|
||
|
|
if (prefetch = o.prefetch || null) {
|
||
|
|
prefetch = _.isString(prefetch) ? {
|
||
|
|
url: prefetch
|
||
|
|
} : prefetch;
|
||
|
|
prefetch = _.mixin(defaults, prefetch);
|
||
|
|
prefetch.thumbprint = VERSION + prefetch.thumbprint;
|
||
|
|
prefetch.ajax.type = prefetch.ajax.type || "GET";
|
||
|
|
prefetch.ajax.dataType = prefetch.ajax.dataType || "json";
|
||
|
|
!prefetch.url && $.error("prefetch requires url to be set");
|
||
|
|
}
|
||
|
|
return prefetch;
|
||
|
|
}
|
||
|
|
function getRemote(o) {
|
||
|
|
var remote, defaults;
|
||
|
|
defaults = {
|
||
|
|
url: null,
|
||
|
|
cache: true,
|
||
|
|
wildcard: "%QUERY",
|
||
|
|
replace: null,
|
||
|
|
rateLimitBy: "debounce",
|
||
|
|
rateLimitWait: 300,
|
||
|
|
send: null,
|
||
|
|
filter: null,
|
||
|
|
ajax: {}
|
||
|
|
};
|
||
|
|
if (remote = o.remote || null) {
|
||
|
|
remote = _.isString(remote) ? {
|
||
|
|
url: remote
|
||
|
|
} : remote;
|
||
|
|
remote = _.mixin(defaults, remote);
|
||
|
|
remote.rateLimiter = /^throttle$/i.test(remote.rateLimitBy) ? byThrottle(remote.rateLimitWait) : byDebounce(remote.rateLimitWait);
|
||
|
|
remote.ajax.type = remote.ajax.type || "GET";
|
||
|
|
remote.ajax.dataType = remote.ajax.dataType || "json";
|
||
|
|
delete remote.rateLimitBy;
|
||
|
|
delete remote.rateLimitWait;
|
||
|
|
!remote.url && $.error("remote requires url to be set");
|
||
|
|
}
|
||
|
|
return remote;
|
||
|
|
function byDebounce(wait) {
|
||
|
|
return function(fn) {
|
||
|
|
return _.debounce(fn, wait);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function byThrottle(wait) {
|
||
|
|
return function(fn) {
|
||
|
|
return _.throttle(fn, wait);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
(function(root) {
|
||
|
|
"use strict";
|
||
|
|
var old, keys;
|
||
|
|
old = root.Bloodhound;
|
||
|
|
keys = {
|
||
|
|
data: "data",
|
||
|
|
protocol: "protocol",
|
||
|
|
thumbprint: "thumbprint"
|
||
|
|
};
|
||
|
|
root.Bloodhound = Bloodhound;
|
||
|
|
function Bloodhound(o) {
|
||
|
|
if (!o || !o.local && !o.prefetch && !o.remote) {
|
||
|
|
$.error("one of local, prefetch, or remote is required");
|
||
|
|
}
|
||
|
|
this.limit = o.limit || 5;
|
||
|
|
this.sorter = getSorter(o.sorter);
|
||
|
|
this.dupDetector = o.dupDetector || ignoreDuplicates;
|
||
|
|
this.local = oParser.local(o);
|
||
|
|
this.prefetch = oParser.prefetch(o);
|
||
|
|
this.remote = oParser.remote(o);
|
||
|
|
this.cacheKey = this.prefetch ? this.prefetch.cacheKey || this.prefetch.url : null;
|
||
|
|
this.index = new SearchIndex({
|
||
|
|
datumTokenizer: o.datumTokenizer,
|
||
|
|
queryTokenizer: o.queryTokenizer
|
||
|
|
});
|
||
|
|
this.storage = this.cacheKey ? new PersistentStorage(this.cacheKey) : null;
|
||
|
|
}
|
||
|
|
Bloodhound.noConflict = function noConflict() {
|
||
|
|
root.Bloodhound = old;
|
||
|
|
return Bloodhound;
|
||
|
|
};
|
||
|
|
Bloodhound.tokenizers = tokenizers;
|
||
|
|
_.mixin(Bloodhound.prototype, {
|
||
|
|
_loadPrefetch: function loadPrefetch(o) {
|
||
|
|
var that = this, serialized, deferred;
|
||
|
|
if (serialized = this._readFromStorage(o.thumbprint)) {
|
||
|
|
this.index.bootstrap(serialized);
|
||
|
|
deferred = $.Deferred().resolve();
|
||
|
|
} else {
|
||
|
|
deferred = $.ajax(o.url, o.ajax).done(handlePrefetchResponse);
|
||
|
|
}
|
||
|
|
return deferred;
|
||
|
|
function handlePrefetchResponse(resp) {
|
||
|
|
that.clear();
|
||
|
|
that.add(o.filter ? o.filter(resp) : resp);
|
||
|
|
that._saveToStorage(that.index.serialize(), o.thumbprint, o.ttl);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_getFromRemote: function getFromRemote(query, cb) {
|
||
|
|
var that = this, url, uriEncodedQuery;
|
||
|
|
if (!this.transport) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
query = query || "";
|
||
|
|
uriEncodedQuery = encodeURIComponent(query);
|
||
|
|
url = this.remote.replace ? this.remote.replace(this.remote.url, query) : this.remote.url.replace(this.remote.wildcard, uriEncodedQuery);
|
||
|
|
return this.transport.get(url, this.remote.ajax, handleRemoteResponse);
|
||
|
|
function handleRemoteResponse(err, resp) {
|
||
|
|
err ? cb([]) : cb(that.remote.filter ? that.remote.filter(resp) : resp);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_cancelLastRemoteRequest: function cancelLastRemoteRequest() {
|
||
|
|
this.transport && this.transport.cancel();
|
||
|
|
},
|
||
|
|
_saveToStorage: function saveToStorage(data, thumbprint, ttl) {
|
||
|
|
if (this.storage) {
|
||
|
|
this.storage.set(keys.data, data, ttl);
|
||
|
|
this.storage.set(keys.protocol, location.protocol, ttl);
|
||
|
|
this.storage.set(keys.thumbprint, thumbprint, ttl);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_readFromStorage: function readFromStorage(thumbprint) {
|
||
|
|
var stored = {}, isExpired;
|
||
|
|
if (this.storage) {
|
||
|
|
stored.data = this.storage.get(keys.data);
|
||
|
|
stored.protocol = this.storage.get(keys.protocol);
|
||
|
|
stored.thumbprint = this.storage.get(keys.thumbprint);
|
||
|
|
}
|
||
|
|
isExpired = stored.thumbprint !== thumbprint || stored.protocol !== location.protocol;
|
||
|
|
return stored.data && !isExpired ? stored.data : null;
|
||
|
|
},
|
||
|
|
_initialize: function initialize() {
|
||
|
|
var that = this, local = this.local, deferred;
|
||
|
|
deferred = this.prefetch ? this._loadPrefetch(this.prefetch) : $.Deferred().resolve();
|
||
|
|
local && deferred.done(addLocalToIndex);
|
||
|
|
this.transport = this.remote ? new Transport(this.remote) : null;
|
||
|
|
return this.initPromise = deferred.promise();
|
||
|
|
function addLocalToIndex() {
|
||
|
|
that.add(_.isFunction(local) ? local() : local);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
initialize: function initialize(force) {
|
||
|
|
return !this.initPromise || force ? this._initialize() : this.initPromise;
|
||
|
|
},
|
||
|
|
add: function add(data) {
|
||
|
|
this.index.add(data);
|
||
|
|
},
|
||
|
|
get: function get(query, cb) {
|
||
|
|
var that = this, matches = [], cacheHit = false;
|
||
|
|
matches = this.index.get(query);
|
||
|
|
matches = this.sorter(matches).slice(0, this.limit);
|
||
|
|
matches.length < this.limit ? cacheHit = this._getFromRemote(query, returnRemoteMatches) : this._cancelLastRemoteRequest();
|
||
|
|
if (!cacheHit) {
|
||
|
|
(matches.length > 0 || !this.transport) && cb && cb(matches);
|
||
|
|
}
|
||
|
|
function returnRemoteMatches(remoteMatches) {
|
||
|
|
var matchesWithBackfill = matches.slice(0);
|
||
|
|
_.each(remoteMatches, function(remoteMatch) {
|
||
|
|
var isDuplicate;
|
||
|
|
isDuplicate = _.some(matchesWithBackfill, function(match) {
|
||
|
|
return that.dupDetector(remoteMatch, match);
|
||
|
|
});
|
||
|
|
!isDuplicate && matchesWithBackfill.push(remoteMatch);
|
||
|
|
return matchesWithBackfill.length < that.limit;
|
||
|
|
});
|
||
|
|
cb && cb(that.sorter(matchesWithBackfill));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
clear: function clear() {
|
||
|
|
this.index.reset();
|
||
|
|
},
|
||
|
|
clearPrefetchCache: function clearPrefetchCache() {
|
||
|
|
this.storage && this.storage.clear();
|
||
|
|
},
|
||
|
|
clearRemoteCache: function clearRemoteCache() {
|
||
|
|
this.transport && Transport.resetCache();
|
||
|
|
},
|
||
|
|
ttAdapter: function ttAdapter() {
|
||
|
|
return _.bind(this.get, this);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return Bloodhound;
|
||
|
|
function getSorter(sortFn) {
|
||
|
|
return _.isFunction(sortFn) ? sort : noSort;
|
||
|
|
function sort(array) {
|
||
|
|
return array.sort(sortFn);
|
||
|
|
}
|
||
|
|
function noSort(array) {
|
||
|
|
return array;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function ignoreDuplicates() {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
})(this);
|
||
|
|
var html = function() {
|
||
|
|
return {
|
||
|
|
wrapper: '<span class="twitter-typeahead"></span>',
|
||
|
|
dropdown: '<span class="tt-dropdown-menu"></span>',
|
||
|
|
dataset: '<div class="tt-dataset-%CLASS%"></div>',
|
||
|
|
suggestions: '<span class="tt-suggestions"></span>',
|
||
|
|
suggestion: '<div class="tt-suggestion"></div>'
|
||
|
|
};
|
||
|
|
}();
|
||
|
|
var css = function() {
|
||
|
|
"use strict";
|
||
|
|
var css = {
|
||
|
|
wrapper: {
|
||
|
|
position: "relative",
|
||
|
|
display: "inline-block"
|
||
|
|
},
|
||
|
|
hint: {
|
||
|
|
position: "absolute",
|
||
|
|
top: "0",
|
||
|
|
left: "0",
|
||
|
|
borderColor: "transparent",
|
||
|
|
boxShadow: "none",
|
||
|
|
opacity: "1"
|
||
|
|
},
|
||
|
|
input: {
|
||
|
|
position: "relative",
|
||
|
|
verticalAlign: "top",
|
||
|
|
backgroundColor: "transparent"
|
||
|
|
},
|
||
|
|
inputWithNoHint: {
|
||
|
|
position: "relative",
|
||
|
|
verticalAlign: "top"
|
||
|
|
},
|
||
|
|
dropdown: {
|
||
|
|
position: "absolute",
|
||
|
|
top: "100%",
|
||
|
|
left: "0",
|
||
|
|
zIndex: "100",
|
||
|
|
display: "none"
|
||
|
|
},
|
||
|
|
suggestions: {
|
||
|
|
display: "block"
|
||
|
|
},
|
||
|
|
suggestion: {
|
||
|
|
whiteSpace: "nowrap",
|
||
|
|
cursor: "pointer"
|
||
|
|
},
|
||
|
|
suggestionChild: {
|
||
|
|
whiteSpace: "normal"
|
||
|
|
},
|
||
|
|
ltr: {
|
||
|
|
left: "0",
|
||
|
|
right: "auto"
|
||
|
|
},
|
||
|
|
rtl: {
|
||
|
|
left: "auto",
|
||
|
|
right: " 0"
|
||
|
|
}
|
||
|
|
};
|
||
|
|
if (_.isMsie()) {
|
||
|
|
_.mixin(css.input, {
|
||
|
|
backgroundImage: "url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)"
|
||
|
|
});
|
||
|
|
}
|
||
|
|
if (_.isMsie() && _.isMsie() <= 7) {
|
||
|
|
_.mixin(css.input, {
|
||
|
|
marginTop: "-1px"
|
||
|
|
});
|
||
|
|
}
|
||
|
|
return css;
|
||
|
|
}();
|
||
|
|
var EventBus = function() {
|
||
|
|
"use strict";
|
||
|
|
var namespace = "typeahead:";
|
||
|
|
function EventBus(o) {
|
||
|
|
if (!o || !o.el) {
|
||
|
|
$.error("EventBus initialized without el");
|
||
|
|
}
|
||
|
|
this.$el = $(o.el);
|
||
|
|
}
|
||
|
|
_.mixin(EventBus.prototype, {
|
||
|
|
trigger: function(type) {
|
||
|
|
var args = [].slice.call(arguments, 1);
|
||
|
|
this.$el.trigger(namespace + type, args);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return EventBus;
|
||
|
|
}();
|
||
|
|
var EventEmitter = function() {
|
||
|
|
"use strict";
|
||
|
|
var splitter = /\s+/, nextTick = getNextTick();
|
||
|
|
return {
|
||
|
|
onSync: onSync,
|
||
|
|
onAsync: onAsync,
|
||
|
|
off: off,
|
||
|
|
trigger: trigger
|
||
|
|
};
|
||
|
|
function on(method, types, cb, context) {
|
||
|
|
var type;
|
||
|
|
if (!cb) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
types = types.split(splitter);
|
||
|
|
cb = context ? bindContext(cb, context) : cb;
|
||
|
|
this._callbacks = this._callbacks || {};
|
||
|
|
while (type = types.shift()) {
|
||
|
|
this._callbacks[type] = this._callbacks[type] || {
|
||
|
|
sync: [],
|
||
|
|
async: []
|
||
|
|
};
|
||
|
|
this._callbacks[type][method].push(cb);
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
function onAsync(types, cb, context) {
|
||
|
|
return on.call(this, "async", types, cb, context);
|
||
|
|
}
|
||
|
|
function onSync(types, cb, context) {
|
||
|
|
return on.call(this, "sync", types, cb, context);
|
||
|
|
}
|
||
|
|
function off(types) {
|
||
|
|
var type;
|
||
|
|
if (!this._callbacks) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
types = types.split(splitter);
|
||
|
|
while (type = types.shift()) {
|
||
|
|
delete this._callbacks[type];
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
function trigger(types) {
|
||
|
|
var type, callbacks, args, syncFlush, asyncFlush;
|
||
|
|
if (!this._callbacks) {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
types = types.split(splitter);
|
||
|
|
args = [].slice.call(arguments, 1);
|
||
|
|
while ((type = types.shift()) && (callbacks = this._callbacks[type])) {
|
||
|
|
syncFlush = getFlush(callbacks.sync, this, [ type ].concat(args));
|
||
|
|
asyncFlush = getFlush(callbacks.async, this, [ type ].concat(args));
|
||
|
|
syncFlush() && nextTick(asyncFlush);
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
function getFlush(callbacks, context, args) {
|
||
|
|
return flush;
|
||
|
|
function flush() {
|
||
|
|
var cancelled;
|
||
|
|
for (var i = 0, len = callbacks.length; !cancelled && i < len; i += 1) {
|
||
|
|
cancelled = callbacks[i].apply(context, args) === false;
|
||
|
|
}
|
||
|
|
return !cancelled;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getNextTick() {
|
||
|
|
var nextTickFn;
|
||
|
|
if (window.setImmediate) {
|
||
|
|
nextTickFn = function nextTickSetImmediate(fn) {
|
||
|
|
setImmediate(function() {
|
||
|
|
fn();
|
||
|
|
});
|
||
|
|
};
|
||
|
|
} else {
|
||
|
|
nextTickFn = function nextTickSetTimeout(fn) {
|
||
|
|
setTimeout(function() {
|
||
|
|
fn();
|
||
|
|
}, 0);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return nextTickFn;
|
||
|
|
}
|
||
|
|
function bindContext(fn, context) {
|
||
|
|
return fn.bind ? fn.bind(context) : function() {
|
||
|
|
fn.apply(context, [].slice.call(arguments, 0));
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
var highlight = function(doc) {
|
||
|
|
"use strict";
|
||
|
|
var defaults = {
|
||
|
|
node: null,
|
||
|
|
pattern: null,
|
||
|
|
tagName: "strong",
|
||
|
|
className: null,
|
||
|
|
wordsOnly: false,
|
||
|
|
caseSensitive: false
|
||
|
|
};
|
||
|
|
return function hightlight(o) {
|
||
|
|
var regex;
|
||
|
|
o = _.mixin({}, defaults, o);
|
||
|
|
if (!o.node || !o.pattern) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
o.pattern = _.isArray(o.pattern) ? o.pattern : [ o.pattern ];
|
||
|
|
regex = getRegex(o.pattern, o.caseSensitive, o.wordsOnly);
|
||
|
|
traverse(o.node, hightlightTextNode);
|
||
|
|
function hightlightTextNode(textNode) {
|
||
|
|
var match, patternNode, wrapperNode;
|
||
|
|
if (match = regex.exec(textNode.data)) {
|
||
|
|
wrapperNode = doc.createElement(o.tagName);
|
||
|
|
o.className && (wrapperNode.className = o.className);
|
||
|
|
patternNode = textNode.splitText(match.index);
|
||
|
|
patternNode.splitText(match[0].length);
|
||
|
|
wrapperNode.appendChild(patternNode.cloneNode(true));
|
||
|
|
textNode.parentNode.replaceChild(wrapperNode, patternNode);
|
||
|
|
}
|
||
|
|
return !!match;
|
||
|
|
}
|
||
|
|
function traverse(el, hightlightTextNode) {
|
||
|
|
var childNode, TEXT_NODE_TYPE = 3;
|
||
|
|
for (var i = 0; i < el.childNodes.length; i++) {
|
||
|
|
childNode = el.childNodes[i];
|
||
|
|
if (childNode.nodeType === TEXT_NODE_TYPE) {
|
||
|
|
i += hightlightTextNode(childNode) ? 1 : 0;
|
||
|
|
} else {
|
||
|
|
traverse(childNode, hightlightTextNode);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
function getRegex(patterns, caseSensitive, wordsOnly) {
|
||
|
|
var escapedPatterns = [], regexStr;
|
||
|
|
for (var i = 0, len = patterns.length; i < len; i++) {
|
||
|
|
escapedPatterns.push(_.escapeRegExChars(patterns[i]));
|
||
|
|
}
|
||
|
|
regexStr = wordsOnly ? "\\b(" + escapedPatterns.join("|") + ")\\b" : "(" + escapedPatterns.join("|") + ")";
|
||
|
|
return caseSensitive ? new RegExp(regexStr) : new RegExp(regexStr, "i");
|
||
|
|
}
|
||
|
|
}(window.document);
|
||
|
|
var Input = function() {
|
||
|
|
"use strict";
|
||
|
|
var specialKeyCodeMap;
|
||
|
|
specialKeyCodeMap = {
|
||
|
|
9: "tab",
|
||
|
|
27: "esc",
|
||
|
|
37: "left",
|
||
|
|
39: "right",
|
||
|
|
13: "enter",
|
||
|
|
38: "up",
|
||
|
|
40: "down"
|
||
|
|
};
|
||
|
|
function Input(o) {
|
||
|
|
var that = this, onBlur, onFocus, onKeydown, onInput;
|
||
|
|
o = o || {};
|
||
|
|
if (!o.input) {
|
||
|
|
$.error("input is missing");
|
||
|
|
}
|
||
|
|
onBlur = _.bind(this._onBlur, this);
|
||
|
|
onFocus = _.bind(this._onFocus, this);
|
||
|
|
onKeydown = _.bind(this._onKeydown, this);
|
||
|
|
onInput = _.bind(this._onInput, this);
|
||
|
|
this.$hint = $(o.hint);
|
||
|
|
this.$input = $(o.input).on("blur.tt", onBlur).on("focus.tt", onFocus).on("keydown.tt", onKeydown);
|
||
|
|
if (this.$hint.length === 0) {
|
||
|
|
this.setHint = this.getHint = this.clearHint = this.clearHintIfInvalid = _.noop;
|
||
|
|
}
|
||
|
|
if (!_.isMsie()) {
|
||
|
|
this.$input.on("input.tt", onInput);
|
||
|
|
} else {
|
||
|
|
this.$input.on("keydown.tt keypress.tt cut.tt paste.tt", function($e) {
|
||
|
|
if (specialKeyCodeMap[$e.which || $e.keyCode]) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
_.defer(_.bind(that._onInput, that, $e));
|
||
|
|
});
|
||
|
|
}
|
||
|
|
this.query = this.$input.val();
|
||
|
|
this.$overflowHelper = buildOverflowHelper(this.$input);
|
||
|
|
}
|
||
|
|
Input.normalizeQuery = function(str) {
|
||
|
|
return (str || "").replace(/^\s*/g, "").replace(/\s{2,}/g, " ");
|
||
|
|
};
|
||
|
|
_.mixin(Input.prototype, EventEmitter, {
|
||
|
|
_onBlur: function onBlur() {
|
||
|
|
this.resetInputValue();
|
||
|
|
this.trigger("blurred");
|
||
|
|
},
|
||
|
|
_onFocus: function onFocus() {
|
||
|
|
this.trigger("focused");
|
||
|
|
},
|
||
|
|
_onKeydown: function onKeydown($e) {
|
||
|
|
var keyName = specialKeyCodeMap[$e.which || $e.keyCode];
|
||
|
|
this._managePreventDefault(keyName, $e);
|
||
|
|
if (keyName && this._shouldTrigger(keyName, $e)) {
|
||
|
|
this.trigger(keyName + "Keyed", $e);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_onInput: function onInput() {
|
||
|
|
this._checkInputValue();
|
||
|
|
},
|
||
|
|
_managePreventDefault: function managePreventDefault(keyName, $e) {
|
||
|
|
var preventDefault, hintValue, inputValue;
|
||
|
|
switch (keyName) {
|
||
|
|
case "tab":
|
||
|
|
hintValue = this.getHint();
|
||
|
|
inputValue = this.getInputValue();
|
||
|
|
preventDefault = hintValue && hintValue !== inputValue && !withModifier($e);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case "up":
|
||
|
|
case "down":
|
||
|
|
preventDefault = !withModifier($e);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
preventDefault = false;
|
||
|
|
}
|
||
|
|
preventDefault && $e.preventDefault();
|
||
|
|
},
|
||
|
|
_shouldTrigger: function shouldTrigger(keyName, $e) {
|
||
|
|
var trigger;
|
||
|
|
switch (keyName) {
|
||
|
|
case "tab":
|
||
|
|
trigger = !withModifier($e);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
trigger = true;
|
||
|
|
}
|
||
|
|
return trigger;
|
||
|
|
},
|
||
|
|
_checkInputValue: function checkInputValue() {
|
||
|
|
var inputValue, areEquivalent, hasDifferentWhitespace;
|
||
|
|
inputValue = this.getInputValue();
|
||
|
|
areEquivalent = areQueriesEquivalent(inputValue, this.query);
|
||
|
|
hasDifferentWhitespace = areEquivalent ? this.query.length !== inputValue.length : false;
|
||
|
|
this.query = inputValue;
|
||
|
|
if (!areEquivalent) {
|
||
|
|
this.trigger("queryChanged", this.query);
|
||
|
|
} else if (hasDifferentWhitespace) {
|
||
|
|
this.trigger("whitespaceChanged", this.query);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
focus: function focus() {
|
||
|
|
this.$input.focus();
|
||
|
|
},
|
||
|
|
blur: function blur() {
|
||
|
|
this.$input.blur();
|
||
|
|
},
|
||
|
|
getQuery: function getQuery() {
|
||
|
|
return this.query;
|
||
|
|
},
|
||
|
|
setQuery: function setQuery(query) {
|
||
|
|
this.query = query;
|
||
|
|
},
|
||
|
|
getInputValue: function getInputValue() {
|
||
|
|
return this.$input.val();
|
||
|
|
},
|
||
|
|
setInputValue: function setInputValue(value, silent) {
|
||
|
|
this.$input.val(value);
|
||
|
|
silent ? this.clearHint() : this._checkInputValue();
|
||
|
|
},
|
||
|
|
resetInputValue: function resetInputValue() {
|
||
|
|
this.setInputValue(this.query, true);
|
||
|
|
},
|
||
|
|
getHint: function getHint() {
|
||
|
|
return this.$hint.val();
|
||
|
|
},
|
||
|
|
setHint: function setHint(value) {
|
||
|
|
this.$hint.val(value);
|
||
|
|
},
|
||
|
|
clearHint: function clearHint() {
|
||
|
|
this.setHint("");
|
||
|
|
},
|
||
|
|
clearHintIfInvalid: function clearHintIfInvalid() {
|
||
|
|
var val, hint, valIsPrefixOfHint, isValid;
|
||
|
|
val = this.getInputValue();
|
||
|
|
hint = this.getHint();
|
||
|
|
valIsPrefixOfHint = val !== hint && hint.indexOf(val) === 0;
|
||
|
|
isValid = val !== "" && valIsPrefixOfHint && !this.hasOverflow();
|
||
|
|
!isValid && this.clearHint();
|
||
|
|
},
|
||
|
|
getLanguageDirection: function getLanguageDirection() {
|
||
|
|
return (this.$input.css("direction") || "ltr").toLowerCase();
|
||
|
|
},
|
||
|
|
hasOverflow: function hasOverflow() {
|
||
|
|
var constraint = this.$input.width() - 2;
|
||
|
|
this.$overflowHelper.text(this.getInputValue());
|
||
|
|
return this.$overflowHelper.width() >= constraint;
|
||
|
|
},
|
||
|
|
isCursorAtEnd: function() {
|
||
|
|
var valueLength, selectionStart, range;
|
||
|
|
valueLength = this.$input.val().length;
|
||
|
|
selectionStart = this.$input[0].selectionStart;
|
||
|
|
if (_.isNumber(selectionStart)) {
|
||
|
|
return selectionStart === valueLength;
|
||
|
|
} else if (document.selection) {
|
||
|
|
range = document.selection.createRange();
|
||
|
|
range.moveStart("character", -valueLength);
|
||
|
|
return valueLength === range.text.length;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
destroy: function destroy() {
|
||
|
|
this.$hint.off(".tt");
|
||
|
|
this.$input.off(".tt");
|
||
|
|
this.$hint = this.$input = this.$overflowHelper = null;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return Input;
|
||
|
|
function buildOverflowHelper($input) {
|
||
|
|
return $('<pre aria-hidden="true"></pre>').css({
|
||
|
|
position: "absolute",
|
||
|
|
visibility: "hidden",
|
||
|
|
whiteSpace: "pre",
|
||
|
|
fontFamily: $input.css("font-family"),
|
||
|
|
fontSize: $input.css("font-size"),
|
||
|
|
fontStyle: $input.css("font-style"),
|
||
|
|
fontVariant: $input.css("font-variant"),
|
||
|
|
fontWeight: $input.css("font-weight"),
|
||
|
|
wordSpacing: $input.css("word-spacing"),
|
||
|
|
letterSpacing: $input.css("letter-spacing"),
|
||
|
|
textIndent: $input.css("text-indent"),
|
||
|
|
textRendering: $input.css("text-rendering"),
|
||
|
|
textTransform: $input.css("text-transform")
|
||
|
|
}).insertAfter($input);
|
||
|
|
}
|
||
|
|
function areQueriesEquivalent(a, b) {
|
||
|
|
return Input.normalizeQuery(a) === Input.normalizeQuery(b);
|
||
|
|
}
|
||
|
|
function withModifier($e) {
|
||
|
|
return $e.altKey || $e.ctrlKey || $e.metaKey || $e.shiftKey;
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
var Dataset = function() {
|
||
|
|
"use strict";
|
||
|
|
var datasetKey = "ttDataset", valueKey = "ttValue", datumKey = "ttDatum";
|
||
|
|
function Dataset(o) {
|
||
|
|
o = o || {};
|
||
|
|
o.templates = o.templates || {};
|
||
|
|
if (!o.source) {
|
||
|
|
$.error("missing source");
|
||
|
|
}
|
||
|
|
if (o.name && !isValidName(o.name)) {
|
||
|
|
$.error("invalid dataset name: " + o.name);
|
||
|
|
}
|
||
|
|
this.query = null;
|
||
|
|
this.highlight = !!o.highlight;
|
||
|
|
this.name = o.name || _.getUniqueId();
|
||
|
|
this.source = o.source;
|
||
|
|
this.displayFn = getDisplayFn(o.display || o.displayKey);
|
||
|
|
this.templates = getTemplates(o.templates, this.displayFn);
|
||
|
|
this.$el = $(html.dataset.replace("%CLASS%", this.name));
|
||
|
|
}
|
||
|
|
Dataset.extractDatasetName = function extractDatasetName(el) {
|
||
|
|
return $(el).data(datasetKey);
|
||
|
|
};
|
||
|
|
Dataset.extractValue = function extractDatum(el) {
|
||
|
|
return $(el).data(valueKey);
|
||
|
|
};
|
||
|
|
Dataset.extractDatum = function extractDatum(el) {
|
||
|
|
return $(el).data(datumKey);
|
||
|
|
};
|
||
|
|
_.mixin(Dataset.prototype, EventEmitter, {
|
||
|
|
_render: function render(query, suggestions) {
|
||
|
|
if (!this.$el) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var that = this, hasSuggestions;
|
||
|
|
this.$el.empty();
|
||
|
|
hasSuggestions = suggestions && suggestions.length;
|
||
|
|
if (!hasSuggestions && this.templates.empty) {
|
||
|
|
this.$el.html(getEmptyHtml()).prepend(that.templates.header ? getHeaderHtml() : null).append(that.templates.footer ? getFooterHtml() : null);
|
||
|
|
} else if (hasSuggestions) {
|
||
|
|
this.$el.html(getSuggestionsHtml()).prepend(that.templates.header ? getHeaderHtml() : null).append(that.templates.footer ? getFooterHtml() : null);
|
||
|
|
}
|
||
|
|
this.trigger("rendered");
|
||
|
|
function getEmptyHtml() {
|
||
|
|
return that.templates.empty({
|
||
|
|
query: query,
|
||
|
|
isEmpty: true
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function getSuggestionsHtml() {
|
||
|
|
var $suggestions, nodes;
|
||
|
|
$suggestions = $(html.suggestions).css(css.suggestions);
|
||
|
|
nodes = _.map(suggestions, getSuggestionNode);
|
||
|
|
$suggestions.append.apply($suggestions, nodes);
|
||
|
|
that.highlight && highlight({
|
||
|
|
className: "tt-highlight",
|
||
|
|
node: $suggestions[0],
|
||
|
|
pattern: query
|
||
|
|
});
|
||
|
|
return $suggestions;
|
||
|
|
function getSuggestionNode(suggestion) {
|
||
|
|
var $el;
|
||
|
|
$el = $(html.suggestion).append(that.templates.suggestion(suggestion)).data(datasetKey, that.name).data(valueKey, that.displayFn(suggestion)).data(datumKey, suggestion);
|
||
|
|
$el.children().each(function() {
|
||
|
|
$(this).css(css.suggestionChild);
|
||
|
|
});
|
||
|
|
return $el;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getHeaderHtml() {
|
||
|
|
return that.templates.header({
|
||
|
|
query: query,
|
||
|
|
isEmpty: !hasSuggestions
|
||
|
|
});
|
||
|
|
}
|
||
|
|
function getFooterHtml() {
|
||
|
|
return that.templates.footer({
|
||
|
|
query: query,
|
||
|
|
isEmpty: !hasSuggestions
|
||
|
|
});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
getRoot: function getRoot() {
|
||
|
|
return this.$el;
|
||
|
|
},
|
||
|
|
update: function update(query) {
|
||
|
|
var that = this;
|
||
|
|
this.query = query;
|
||
|
|
this.canceled = false;
|
||
|
|
this.source(query, render);
|
||
|
|
function render(suggestions) {
|
||
|
|
if (!that.canceled && query === that.query) {
|
||
|
|
that._render(query, suggestions);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
cancel: function cancel() {
|
||
|
|
this.canceled = true;
|
||
|
|
},
|
||
|
|
clear: function clear() {
|
||
|
|
this.cancel();
|
||
|
|
this.$el.empty();
|
||
|
|
this.trigger("rendered");
|
||
|
|
},
|
||
|
|
isEmpty: function isEmpty() {
|
||
|
|
return this.$el.is(":empty");
|
||
|
|
},
|
||
|
|
destroy: function destroy() {
|
||
|
|
this.$el = null;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return Dataset;
|
||
|
|
function getDisplayFn(display) {
|
||
|
|
display = display || "value";
|
||
|
|
return _.isFunction(display) ? display : displayFn;
|
||
|
|
function displayFn(obj) {
|
||
|
|
return obj[display];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getTemplates(templates, displayFn) {
|
||
|
|
return {
|
||
|
|
empty: templates.empty && _.templatify(templates.empty),
|
||
|
|
header: templates.header && _.templatify(templates.header),
|
||
|
|
footer: templates.footer && _.templatify(templates.footer),
|
||
|
|
suggestion: templates.suggestion || suggestionTemplate
|
||
|
|
};
|
||
|
|
function suggestionTemplate(context) {
|
||
|
|
return "<p>" + displayFn(context) + "</p>";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function isValidName(str) {
|
||
|
|
return /^[_a-zA-Z0-9-]+$/.test(str);
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
var Dropdown = function() {
|
||
|
|
"use strict";
|
||
|
|
function Dropdown(o) {
|
||
|
|
var that = this, onSuggestionClick, onSuggestionMouseEnter, onSuggestionMouseLeave;
|
||
|
|
o = o || {};
|
||
|
|
if (!o.menu) {
|
||
|
|
$.error("menu is required");
|
||
|
|
}
|
||
|
|
this.isOpen = false;
|
||
|
|
this.isEmpty = true;
|
||
|
|
this.datasets = _.map(o.datasets, initializeDataset);
|
||
|
|
onSuggestionClick = _.bind(this._onSuggestionClick, this);
|
||
|
|
onSuggestionMouseEnter = _.bind(this._onSuggestionMouseEnter, this);
|
||
|
|
onSuggestionMouseLeave = _.bind(this._onSuggestionMouseLeave, this);
|
||
|
|
this.$menu = $(o.menu).on("click.tt", ".tt-suggestion", onSuggestionClick).on("mouseenter.tt", ".tt-suggestion", onSuggestionMouseEnter).on("mouseleave.tt", ".tt-suggestion", onSuggestionMouseLeave);
|
||
|
|
_.each(this.datasets, function(dataset) {
|
||
|
|
that.$menu.append(dataset.getRoot());
|
||
|
|
dataset.onSync("rendered", that._onRendered, that);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
_.mixin(Dropdown.prototype, EventEmitter, {
|
||
|
|
_onSuggestionClick: function onSuggestionClick($e) {
|
||
|
|
this.trigger("suggestionClicked", $($e.currentTarget));
|
||
|
|
},
|
||
|
|
_onSuggestionMouseEnter: function onSuggestionMouseEnter($e) {
|
||
|
|
this._removeCursor();
|
||
|
|
this._setCursor($($e.currentTarget), true);
|
||
|
|
},
|
||
|
|
_onSuggestionMouseLeave: function onSuggestionMouseLeave() {
|
||
|
|
this._removeCursor();
|
||
|
|
},
|
||
|
|
_onRendered: function onRendered() {
|
||
|
|
this.isEmpty = _.every(this.datasets, isDatasetEmpty);
|
||
|
|
this.isEmpty ? this._hide() : this.isOpen && this._show();
|
||
|
|
this.trigger("datasetRendered");
|
||
|
|
function isDatasetEmpty(dataset) {
|
||
|
|
return dataset.isEmpty();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_hide: function() {
|
||
|
|
this.$menu.hide();
|
||
|
|
},
|
||
|
|
_show: function() {
|
||
|
|
this.$menu.css("display", "block");
|
||
|
|
},
|
||
|
|
_getSuggestions: function getSuggestions() {
|
||
|
|
return this.$menu.find(".tt-suggestion");
|
||
|
|
},
|
||
|
|
_getCursor: function getCursor() {
|
||
|
|
return this.$menu.find(".tt-cursor").first();
|
||
|
|
},
|
||
|
|
_setCursor: function setCursor($el, silent) {
|
||
|
|
$el.first().addClass("tt-cursor");
|
||
|
|
!silent && this.trigger("cursorMoved");
|
||
|
|
},
|
||
|
|
_removeCursor: function removeCursor() {
|
||
|
|
this._getCursor().removeClass("tt-cursor");
|
||
|
|
},
|
||
|
|
_moveCursor: function moveCursor(increment) {
|
||
|
|
var $suggestions, $oldCursor, newCursorIndex, $newCursor;
|
||
|
|
if (!this.isOpen) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
$oldCursor = this._getCursor();
|
||
|
|
$suggestions = this._getSuggestions();
|
||
|
|
this._removeCursor();
|
||
|
|
newCursorIndex = $suggestions.index($oldCursor) + increment;
|
||
|
|
newCursorIndex = (newCursorIndex + 1) % ($suggestions.length + 1) - 1;
|
||
|
|
if (newCursorIndex === -1) {
|
||
|
|
this.trigger("cursorRemoved");
|
||
|
|
return;
|
||
|
|
} else if (newCursorIndex < -1) {
|
||
|
|
newCursorIndex = $suggestions.length - 1;
|
||
|
|
}
|
||
|
|
this._setCursor($newCursor = $suggestions.eq(newCursorIndex));
|
||
|
|
this._ensureVisible($newCursor);
|
||
|
|
},
|
||
|
|
_ensureVisible: function ensureVisible($el) {
|
||
|
|
var elTop, elBottom, menuScrollTop, menuHeight;
|
||
|
|
elTop = $el.position().top;
|
||
|
|
elBottom = elTop + $el.outerHeight(true);
|
||
|
|
menuScrollTop = this.$menu.scrollTop();
|
||
|
|
menuHeight = this.$menu.height() + parseInt(this.$menu.css("paddingTop"), 10) + parseInt(this.$menu.css("paddingBottom"), 10);
|
||
|
|
if (elTop < 0) {
|
||
|
|
this.$menu.scrollTop(menuScrollTop + elTop);
|
||
|
|
} else if (menuHeight < elBottom) {
|
||
|
|
this.$menu.scrollTop(menuScrollTop + (elBottom - menuHeight));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
close: function close() {
|
||
|
|
if (this.isOpen) {
|
||
|
|
this.isOpen = false;
|
||
|
|
this._removeCursor();
|
||
|
|
this._hide();
|
||
|
|
this.trigger("closed");
|
||
|
|
}
|
||
|
|
},
|
||
|
|
open: function open() {
|
||
|
|
if (!this.isOpen) {
|
||
|
|
this.isOpen = true;
|
||
|
|
!this.isEmpty && this._show();
|
||
|
|
this.trigger("opened");
|
||
|
|
}
|
||
|
|
},
|
||
|
|
setLanguageDirection: function setLanguageDirection(dir) {
|
||
|
|
this.$menu.css(dir === "ltr" ? css.ltr : css.rtl);
|
||
|
|
},
|
||
|
|
moveCursorUp: function moveCursorUp() {
|
||
|
|
this._moveCursor(-1);
|
||
|
|
},
|
||
|
|
moveCursorDown: function moveCursorDown() {
|
||
|
|
this._moveCursor(+1);
|
||
|
|
},
|
||
|
|
getDatumForSuggestion: function getDatumForSuggestion($el) {
|
||
|
|
var datum = null;
|
||
|
|
if ($el.length) {
|
||
|
|
datum = {
|
||
|
|
raw: Dataset.extractDatum($el),
|
||
|
|
value: Dataset.extractValue($el),
|
||
|
|
datasetName: Dataset.extractDatasetName($el)
|
||
|
|
};
|
||
|
|
}
|
||
|
|
return datum;
|
||
|
|
},
|
||
|
|
getDatumForCursor: function getDatumForCursor() {
|
||
|
|
return this.getDatumForSuggestion(this._getCursor().first());
|
||
|
|
},
|
||
|
|
getDatumForTopSuggestion: function getDatumForTopSuggestion() {
|
||
|
|
return this.getDatumForSuggestion(this._getSuggestions().first());
|
||
|
|
},
|
||
|
|
update: function update(query) {
|
||
|
|
_.each(this.datasets, updateDataset);
|
||
|
|
function updateDataset(dataset) {
|
||
|
|
dataset.update(query);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
empty: function empty() {
|
||
|
|
_.each(this.datasets, clearDataset);
|
||
|
|
this.isEmpty = true;
|
||
|
|
function clearDataset(dataset) {
|
||
|
|
dataset.clear();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
isVisible: function isVisible() {
|
||
|
|
return this.isOpen && !this.isEmpty;
|
||
|
|
},
|
||
|
|
destroy: function destroy() {
|
||
|
|
this.$menu.off(".tt");
|
||
|
|
this.$menu = null;
|
||
|
|
_.each(this.datasets, destroyDataset);
|
||
|
|
function destroyDataset(dataset) {
|
||
|
|
dataset.destroy();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return Dropdown;
|
||
|
|
function initializeDataset(oDataset) {
|
||
|
|
return new Dataset(oDataset);
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
var Typeahead = function() {
|
||
|
|
"use strict";
|
||
|
|
var attrsKey = "ttAttrs";
|
||
|
|
function Typeahead(o) {
|
||
|
|
var $menu, $input, $hint;
|
||
|
|
o = o || {};
|
||
|
|
if (!o.input) {
|
||
|
|
$.error("missing input");
|
||
|
|
}
|
||
|
|
this.isActivated = false;
|
||
|
|
this.autoselect = !!o.autoselect;
|
||
|
|
this.minLength = _.isNumber(o.minLength) ? o.minLength : 1;
|
||
|
|
this.$node = buildDom(o.input, o.withHint);
|
||
|
|
$menu = this.$node.find(".tt-dropdown-menu");
|
||
|
|
$input = this.$node.find(".tt-input");
|
||
|
|
$hint = this.$node.find(".tt-hint");
|
||
|
|
$input.on("blur.tt", function($e) {
|
||
|
|
var active, isActive, hasActive;
|
||
|
|
active = document.activeElement;
|
||
|
|
isActive = $menu.is(active);
|
||
|
|
hasActive = $menu.has(active).length > 0;
|
||
|
|
if (_.isMsie() && (isActive || hasActive)) {
|
||
|
|
$e.preventDefault();
|
||
|
|
$e.stopImmediatePropagation();
|
||
|
|
_.defer(function() {
|
||
|
|
$input.focus();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
});
|
||
|
|
$menu.on("mousedown.tt", function($e) {
|
||
|
|
$e.preventDefault();
|
||
|
|
});
|
||
|
|
this.eventBus = o.eventBus || new EventBus({
|
||
|
|
el: $input
|
||
|
|
});
|
||
|
|
this.dropdown = new Dropdown({
|
||
|
|
menu: $menu,
|
||
|
|
datasets: o.datasets
|
||
|
|
}).onSync("suggestionClicked", this._onSuggestionClicked, this).onSync("cursorMoved", this._onCursorMoved, this).onSync("cursorRemoved", this._onCursorRemoved, this).onSync("opened", this._onOpened, this).onSync("closed", this._onClosed, this).onAsync("datasetRendered", this._onDatasetRendered, this);
|
||
|
|
this.input = new Input({
|
||
|
|
input: $input,
|
||
|
|
hint: $hint
|
||
|
|
}).onSync("focused", this._onFocused, this).onSync("blurred", this._onBlurred, this).onSync("enterKeyed", this._onEnterKeyed, this).onSync("tabKeyed", this._onTabKeyed, this).onSync("escKeyed", this._onEscKeyed, this).onSync("upKeyed", this._onUpKeyed, this).onSync("downKeyed", this._onDownKeyed, this).onSync("leftKeyed", this._onLeftKeyed, this).onSync("rightKeyed", this._onRightKeyed, this).onSync("queryChanged", this._onQueryChanged, this).onSync("whitespaceChanged", this._onWhitespaceChanged, this);
|
||
|
|
this._setLanguageDirection();
|
||
|
|
}
|
||
|
|
_.mixin(Typeahead.prototype, {
|
||
|
|
_onSuggestionClicked: function onSuggestionClicked(type, $el) {
|
||
|
|
var datum;
|
||
|
|
if (datum = this.dropdown.getDatumForSuggestion($el)) {
|
||
|
|
this._select(datum);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_onCursorMoved: function onCursorMoved() {
|
||
|
|
var datum = this.dropdown.getDatumForCursor();
|
||
|
|
this.input.setInputValue(datum.value, true);
|
||
|
|
this.eventBus.trigger("cursorchanged", datum.raw, datum.datasetName);
|
||
|
|
},
|
||
|
|
_onCursorRemoved: function onCursorRemoved() {
|
||
|
|
this.input.resetInputValue();
|
||
|
|
this._updateHint();
|
||
|
|
},
|
||
|
|
_onDatasetRendered: function onDatasetRendered() {
|
||
|
|
this._updateHint();
|
||
|
|
},
|
||
|
|
_onOpened: function onOpened() {
|
||
|
|
this._updateHint();
|
||
|
|
this.eventBus.trigger("opened");
|
||
|
|
},
|
||
|
|
_onClosed: function onClosed() {
|
||
|
|
this.input.clearHint();
|
||
|
|
this.eventBus.trigger("closed");
|
||
|
|
},
|
||
|
|
_onFocused: function onFocused() {
|
||
|
|
this.isActivated = true;
|
||
|
|
this.dropdown.open();
|
||
|
|
},
|
||
|
|
_onBlurred: function onBlurred() {
|
||
|
|
this.isActivated = false;
|
||
|
|
this.dropdown.empty();
|
||
|
|
this.dropdown.close();
|
||
|
|
},
|
||
|
|
_onEnterKeyed: function onEnterKeyed(type, $e) {
|
||
|
|
var cursorDatum, topSuggestionDatum;
|
||
|
|
cursorDatum = this.dropdown.getDatumForCursor();
|
||
|
|
topSuggestionDatum = this.dropdown.getDatumForTopSuggestion();
|
||
|
|
if (cursorDatum) {
|
||
|
|
this._select(cursorDatum);
|
||
|
|
$e.preventDefault();
|
||
|
|
} else if (this.autoselect && topSuggestionDatum) {
|
||
|
|
this._select(topSuggestionDatum);
|
||
|
|
$e.preventDefault();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_onTabKeyed: function onTabKeyed(type, $e) {
|
||
|
|
var datum;
|
||
|
|
if (datum = this.dropdown.getDatumForCursor()) {
|
||
|
|
this._select(datum);
|
||
|
|
$e.preventDefault();
|
||
|
|
} else {
|
||
|
|
this._autocomplete(true);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_onEscKeyed: function onEscKeyed() {
|
||
|
|
this.dropdown.close();
|
||
|
|
this.input.resetInputValue();
|
||
|
|
},
|
||
|
|
_onUpKeyed: function onUpKeyed() {
|
||
|
|
var query = this.input.getQuery();
|
||
|
|
this.dropdown.isEmpty && query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.moveCursorUp();
|
||
|
|
this.dropdown.open();
|
||
|
|
},
|
||
|
|
_onDownKeyed: function onDownKeyed() {
|
||
|
|
var query = this.input.getQuery();
|
||
|
|
this.dropdown.isEmpty && query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.moveCursorDown();
|
||
|
|
this.dropdown.open();
|
||
|
|
},
|
||
|
|
_onLeftKeyed: function onLeftKeyed() {
|
||
|
|
this.dir === "rtl" && this._autocomplete();
|
||
|
|
},
|
||
|
|
_onRightKeyed: function onRightKeyed() {
|
||
|
|
this.dir === "ltr" && this._autocomplete();
|
||
|
|
},
|
||
|
|
_onQueryChanged: function onQueryChanged(e, query) {
|
||
|
|
this.input.clearHintIfInvalid();
|
||
|
|
query.length >= this.minLength ? this.dropdown.update(query) : this.dropdown.empty();
|
||
|
|
this.dropdown.open();
|
||
|
|
this._setLanguageDirection();
|
||
|
|
},
|
||
|
|
_onWhitespaceChanged: function onWhitespaceChanged() {
|
||
|
|
this._updateHint();
|
||
|
|
this.dropdown.open();
|
||
|
|
},
|
||
|
|
_setLanguageDirection: function setLanguageDirection() {
|
||
|
|
var dir;
|
||
|
|
if (this.dir !== (dir = this.input.getLanguageDirection())) {
|
||
|
|
this.dir = dir;
|
||
|
|
this.$node.css("direction", dir);
|
||
|
|
this.dropdown.setLanguageDirection(dir);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_updateHint: function updateHint() {
|
||
|
|
var datum, val, query, escapedQuery, frontMatchRegEx, match;
|
||
|
|
datum = this.dropdown.getDatumForTopSuggestion();
|
||
|
|
if (datum && this.dropdown.isVisible() && !this.input.hasOverflow()) {
|
||
|
|
val = this.input.getInputValue();
|
||
|
|
query = Input.normalizeQuery(val);
|
||
|
|
escapedQuery = _.escapeRegExChars(query);
|
||
|
|
frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.+$)", "i");
|
||
|
|
match = frontMatchRegEx.exec(datum.value);
|
||
|
|
match ? this.input.setHint(val + match[1]) : this.input.clearHint();
|
||
|
|
} else {
|
||
|
|
this.input.clearHint();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_autocomplete: function autocomplete(laxCursor) {
|
||
|
|
var hint, query, isCursorAtEnd, datum;
|
||
|
|
hint = this.input.getHint();
|
||
|
|
query = this.input.getQuery();
|
||
|
|
isCursorAtEnd = laxCursor || this.input.isCursorAtEnd();
|
||
|
|
if (hint && query !== hint && isCursorAtEnd) {
|
||
|
|
datum = this.dropdown.getDatumForTopSuggestion();
|
||
|
|
datum && this.input.setInputValue(datum.value);
|
||
|
|
this.eventBus.trigger("autocompleted", datum.raw, datum.datasetName);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_select: function select(datum) {
|
||
|
|
this.input.setQuery(datum.value);
|
||
|
|
this.input.setInputValue(datum.value, true);
|
||
|
|
this._setLanguageDirection();
|
||
|
|
this.eventBus.trigger("selected", datum.raw, datum.datasetName);
|
||
|
|
this.dropdown.close();
|
||
|
|
_.defer(_.bind(this.dropdown.empty, this.dropdown));
|
||
|
|
},
|
||
|
|
open: function open() {
|
||
|
|
this.dropdown.open();
|
||
|
|
},
|
||
|
|
close: function close() {
|
||
|
|
this.dropdown.close();
|
||
|
|
},
|
||
|
|
setVal: function setVal(val) {
|
||
|
|
val = _.toStr(val);
|
||
|
|
if (this.isActivated) {
|
||
|
|
this.input.setInputValue(val);
|
||
|
|
} else {
|
||
|
|
this.input.setQuery(val);
|
||
|
|
this.input.setInputValue(val, true);
|
||
|
|
}
|
||
|
|
this._setLanguageDirection();
|
||
|
|
},
|
||
|
|
getVal: function getVal() {
|
||
|
|
return this.input.getQuery();
|
||
|
|
},
|
||
|
|
destroy: function destroy() {
|
||
|
|
this.input.destroy();
|
||
|
|
this.dropdown.destroy();
|
||
|
|
destroyDomStructure(this.$node);
|
||
|
|
this.$node = null;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return Typeahead;
|
||
|
|
function buildDom(input, withHint) {
|
||
|
|
var $input, $wrapper, $dropdown, $hint;
|
||
|
|
$input = $(input);
|
||
|
|
$wrapper = $(html.wrapper).css(css.wrapper);
|
||
|
|
$dropdown = $(html.dropdown).css(css.dropdown);
|
||
|
|
$hint = $input.clone().css(css.hint).css(getBackgroundStyles($input));
|
||
|
|
$hint.val("").removeData().addClass("tt-hint").removeAttr("id name placeholder required").prop("readonly", true).attr({
|
||
|
|
autocomplete: "off",
|
||
|
|
spellcheck: "false",
|
||
|
|
tabindex: -1
|
||
|
|
});
|
||
|
|
$input.data(attrsKey, {
|
||
|
|
dir: $input.attr("dir"),
|
||
|
|
autocomplete: $input.attr("autocomplete"),
|
||
|
|
spellcheck: $input.attr("spellcheck"),
|
||
|
|
style: $input.attr("style")
|
||
|
|
});
|
||
|
|
$input.addClass("tt-input").attr({
|
||
|
|
autocomplete: "off",
|
||
|
|
spellcheck: false
|
||
|
|
}).css(withHint ? css.input : css.inputWithNoHint);
|
||
|
|
try {
|
||
|
|
!$input.attr("dir") && $input.attr("dir", "auto");
|
||
|
|
} catch (e) {}
|
||
|
|
return $input.wrap($wrapper).parent().prepend(withHint ? $hint : null).append($dropdown);
|
||
|
|
}
|
||
|
|
function getBackgroundStyles($el) {
|
||
|
|
return {
|
||
|
|
backgroundAttachment: $el.css("background-attachment"),
|
||
|
|
backgroundClip: $el.css("background-clip"),
|
||
|
|
backgroundColor: $el.css("background-color"),
|
||
|
|
backgroundImage: $el.css("background-image"),
|
||
|
|
backgroundOrigin: $el.css("background-origin"),
|
||
|
|
backgroundPosition: $el.css("background-position"),
|
||
|
|
backgroundRepeat: $el.css("background-repeat"),
|
||
|
|
backgroundSize: $el.css("background-size")
|
||
|
|
};
|
||
|
|
}
|
||
|
|
function destroyDomStructure($node) {
|
||
|
|
var $input = $node.find(".tt-input");
|
||
|
|
_.each($input.data(attrsKey), function(val, key) {
|
||
|
|
_.isUndefined(val) ? $input.removeAttr(key) : $input.attr(key, val);
|
||
|
|
});
|
||
|
|
$input.detach().removeData(attrsKey).removeClass("tt-input").insertAfter($node);
|
||
|
|
$node.remove();
|
||
|
|
}
|
||
|
|
}();
|
||
|
|
(function() {
|
||
|
|
"use strict";
|
||
|
|
var old, typeaheadKey, methods;
|
||
|
|
old = $.fn.typeahead;
|
||
|
|
typeaheadKey = "ttTypeahead";
|
||
|
|
methods = {
|
||
|
|
initialize: function initialize(o, datasets) {
|
||
|
|
datasets = _.isArray(datasets) ? datasets : [].slice.call(arguments, 1);
|
||
|
|
o = o || {};
|
||
|
|
return this.each(attach);
|
||
|
|
function attach() {
|
||
|
|
var $input = $(this), eventBus, typeahead;
|
||
|
|
_.each(datasets, function(d) {
|
||
|
|
d.highlight = !!o.highlight;
|
||
|
|
});
|
||
|
|
typeahead = new Typeahead({
|
||
|
|
input: $input,
|
||
|
|
eventBus: eventBus = new EventBus({
|
||
|
|
el: $input
|
||
|
|
}),
|
||
|
|
withHint: _.isUndefined(o.hint) ? true : !!o.hint,
|
||
|
|
minLength: o.minLength,
|
||
|
|
autoselect: o.autoselect,
|
||
|
|
datasets: datasets
|
||
|
|
});
|
||
|
|
$input.data(typeaheadKey, typeahead);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
open: function open() {
|
||
|
|
return this.each(openTypeahead);
|
||
|
|
function openTypeahead() {
|
||
|
|
var $input = $(this), typeahead;
|
||
|
|
if (typeahead = $input.data(typeaheadKey)) {
|
||
|
|
typeahead.open();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
close: function close() {
|
||
|
|
return this.each(closeTypeahead);
|
||
|
|
function closeTypeahead() {
|
||
|
|
var $input = $(this), typeahead;
|
||
|
|
if (typeahead = $input.data(typeaheadKey)) {
|
||
|
|
typeahead.close();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
val: function val(newVal) {
|
||
|
|
return !arguments.length ? getVal(this.first()) : this.each(setVal);
|
||
|
|
function setVal() {
|
||
|
|
var $input = $(this), typeahead;
|
||
|
|
if (typeahead = $input.data(typeaheadKey)) {
|
||
|
|
typeahead.setVal(newVal);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
function getVal($input) {
|
||
|
|
var typeahead, query;
|
||
|
|
if (typeahead = $input.data(typeaheadKey)) {
|
||
|
|
query = typeahead.getVal();
|
||
|
|
}
|
||
|
|
return query;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
destroy: function destroy() {
|
||
|
|
return this.each(unattach);
|
||
|
|
function unattach() {
|
||
|
|
var $input = $(this), typeahead;
|
||
|
|
if (typeahead = $input.data(typeaheadKey)) {
|
||
|
|
typeahead.destroy();
|
||
|
|
$input.removeData(typeaheadKey);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
$.fn.typeahead = function(method) {
|
||
|
|
var tts;
|
||
|
|
if (methods[method] && method !== "initialize") {
|
||
|
|
tts = this.filter(function() {
|
||
|
|
return !!$(this).data(typeaheadKey);
|
||
|
|
});
|
||
|
|
return methods[method].apply(tts, [].slice.call(arguments, 1));
|
||
|
|
} else {
|
||
|
|
return methods.initialize.apply(this, arguments);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
$.fn.typeahead.noConflict = function noConflict() {
|
||
|
|
$.fn.typeahead = old;
|
||
|
|
return this;
|
||
|
|
};
|
||
|
|
})();
|
||
|
|
})(window.jQuery);
|