/*!
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* typeahead.js 0.11.1
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* https://github.com/twitter/typeahead.js
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* Copyright 2013-2015 Twitter, Inc. and other contributors; Licensed MIT
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*/
|
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(function(root, factory) {
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if (typeof define === "function" && define.amd) {
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define("typeahead.js", [ "jquery" ], function(a0) {
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return factory(a0);
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});
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} else if (typeof exports === "object") {
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module.exports = factory(require("jquery"));
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} else {
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factory(jQuery);
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}
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})(this, function($) {
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var _ = function() {
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"use strict";
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return {
|
isMsie: function() {
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return /(msie|trident)/i.test(navigator.userAgent) ? navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2] : false;
|
},
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isBlankString: function(str) {
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return !str || /^\s*$/.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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isElement: function(obj) {
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return !!(obj && obj.nodeType === 1);
|
},
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isJQuery: function(obj) {
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return obj instanceof $;
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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: $.grep,
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every: function(obj, test) {
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var result = true;
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if (!obj) {
|
return result;
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}
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$.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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identity: function(x) {
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return x;
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},
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clone: function(obj) {
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return $.extend(true, {}, obj);
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},
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getIdGenerator: 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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stringify: function(val) {
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return _.isString(val) ? val : JSON.stringify(val);
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},
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noop: function() {}
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};
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}();
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var WWW = function() {
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"use strict";
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var defaultClassNames = {
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wrapper: "twitter-typeahead",
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input: "tt-input",
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hint: "tt-hint",
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menu: "tt-menu",
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dataset: "tt-dataset",
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suggestion: "tt-suggestion",
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selectable: "tt-selectable",
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empty: "tt-empty",
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open: "tt-open",
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cursor: "tt-cursor",
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highlight: "tt-highlight"
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};
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return build;
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function build(o) {
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var www, classes;
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classes = _.mixin({}, defaultClassNames, o);
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www = {
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css: buildCss(),
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classes: classes,
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html: buildHtml(classes),
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selectors: buildSelectors(classes)
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};
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return {
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css: www.css,
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html: www.html,
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classes: www.classes,
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selectors: www.selectors,
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mixin: function(o) {
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_.mixin(o, www);
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}
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};
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}
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function buildHtml(c) {
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return {
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wrapper: '<span class="' + c.wrapper + '"></span>',
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menu: '<div class="' + c.menu + '"></div>'
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};
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}
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function buildSelectors(classes) {
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var selectors = {};
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_.each(classes, function(v, k) {
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selectors[k] = "." + v;
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});
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return selectors;
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}
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function buildCss() {
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var css = {
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wrapper: {
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position: "relative",
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display: "inline-block"
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},
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hint: {
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position: "absolute",
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top: "0",
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left: "0",
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borderColor: "transparent",
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boxShadow: "none",
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opacity: "1"
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},
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input: {
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position: "relative",
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verticalAlign: "top",
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backgroundColor: "transparent"
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},
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inputWithNoHint: {
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position: "relative",
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verticalAlign: "top"
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},
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menu: {
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position: "absolute",
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top: "100%",
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left: "0",
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zIndex: "100",
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display: "none"
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},
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ltr: {
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left: "0",
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right: "auto"
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},
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rtl: {
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left: "auto",
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right: " 0"
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}
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};
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if (_.isMsie()) {
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_.mixin(css.input, {
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backgroundImage: "url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)"
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});
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}
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return css;
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}
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}();
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var EventBus = function() {
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"use strict";
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var namespace, deprecationMap;
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namespace = "typeahead:";
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deprecationMap = {
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render: "rendered",
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cursorchange: "cursorchanged",
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select: "selected",
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autocomplete: "autocompleted"
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};
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function EventBus(o) {
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if (!o || !o.el) {
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$.error("EventBus initialized without el");
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}
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this.$el = $(o.el);
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}
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_.mixin(EventBus.prototype, {
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_trigger: function(type, args) {
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var $e;
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$e = $.Event(namespace + type);
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(args = args || []).unshift($e);
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this.$el.trigger.apply(this.$el, args);
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return $e;
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},
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before: function(type) {
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var args, $e;
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args = [].slice.call(arguments, 1);
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$e = this._trigger("before" + type, args);
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return $e.isDefaultPrevented();
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},
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trigger: function(type) {
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var deprecatedType;
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this._trigger(type, [].slice.call(arguments, 1));
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if (deprecatedType = deprecationMap[type]) {
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this._trigger(deprecatedType, [].slice.call(arguments, 1));
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}
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}
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});
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return EventBus;
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}();
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var EventEmitter = function() {
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"use strict";
|
var splitter = /\s+/, nextTick = getNextTick();
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return {
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onSync: onSync,
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onAsync: onAsync,
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off: off,
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trigger: trigger
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};
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function on(method, types, cb, context) {
|
var type;
|
if (!cb) {
|
return this;
|
}
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types = types.split(splitter);
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cb = context ? bindContext(cb, context) : cb;
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this._callbacks = this._callbacks || {};
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while (type = types.shift()) {
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this._callbacks[type] = this._callbacks[type] || {
|
sync: [],
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async: []
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};
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this._callbacks[type][method].push(cb);
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}
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return this;
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}
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function onAsync(types, cb, context) {
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return on.call(this, "async", types, cb, context);
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}
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function onSync(types, cb, context) {
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return on.call(this, "sync", types, cb, context);
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}
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function off(types) {
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var type;
|
if (!this._callbacks) {
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return this;
|
}
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types = types.split(splitter);
|
while (type = types.shift()) {
|
delete this._callbacks[type];
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}
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return this;
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}
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function trigger(types) {
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var type, callbacks, args, syncFlush, asyncFlush;
|
if (!this._callbacks) {
|
return this;
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}
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types = types.split(splitter);
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args = [].slice.call(arguments, 1);
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while ((type = types.shift()) && (callbacks = this._callbacks[type])) {
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syncFlush = getFlush(callbacks.sync, this, [ type ].concat(args));
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asyncFlush = getFlush(callbacks.async, this, [ type ].concat(args));
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syncFlush() && nextTick(asyncFlush);
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}
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return this;
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}
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function getFlush(callbacks, context, args) {
|
return flush;
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function flush() {
|
var cancelled;
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for (var i = 0, len = callbacks.length; !cancelled && i < len; i += 1) {
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cancelled = callbacks[i].apply(context, args) === false;
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}
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return !cancelled;
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}
|
}
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function getNextTick() {
|
var nextTickFn;
|
if (window.setImmediate) {
|
nextTickFn = function nextTickSetImmediate(fn) {
|
setImmediate(function() {
|
fn();
|
});
|
};
|
} else {
|
nextTickFn = function nextTickSetTimeout(fn) {
|
setTimeout(function() {
|
fn();
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}, 0);
|
};
|
}
|
return nextTickFn;
|
}
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function bindContext(fn, context) {
|
return fn.bind ? fn.bind(context) : function() {
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fn.apply(context, [].slice.call(arguments, 0));
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};
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}
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}();
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var highlight = function(doc) {
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"use strict";
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var defaults = {
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node: null,
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pattern: null,
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tagName: "strong",
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className: null,
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wordsOnly: false,
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caseSensitive: false
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};
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return function hightlight(o) {
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var regex;
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o = _.mixin({}, defaults, o);
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if (!o.node || !o.pattern) {
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return;
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}
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o.pattern = _.isArray(o.pattern) ? o.pattern : [ o.pattern ];
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regex = getRegex(o.pattern, o.caseSensitive, o.wordsOnly);
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traverse(o.node, hightlightTextNode);
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function hightlightTextNode(textNode) {
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var match, patternNode, wrapperNode;
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if (match = regex.exec(textNode.data)) {
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wrapperNode = doc.createElement(o.tagName);
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o.className && (wrapperNode.className = o.className);
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patternNode = textNode.splitText(match.index);
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patternNode.splitText(match[0].length);
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wrapperNode.appendChild(patternNode.cloneNode(true));
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textNode.parentNode.replaceChild(wrapperNode, patternNode);
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}
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return !!match;
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}
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function traverse(el, hightlightTextNode) {
|
var childNode, TEXT_NODE_TYPE = 3;
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for (var i = 0; i < el.childNodes.length; i++) {
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childNode = el.childNodes[i];
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if (childNode.nodeType === TEXT_NODE_TYPE) {
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i += hightlightTextNode(childNode) ? 1 : 0;
|
} else {
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traverse(childNode, hightlightTextNode);
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}
|
}
|
}
|
};
|
function getRegex(patterns, caseSensitive, wordsOnly) {
|
var escapedPatterns = [], regexStr;
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for (var i = 0, len = patterns.length; i < len; i++) {
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escapedPatterns.push(_.escapeRegExChars(patterns[i]));
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}
|
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 = {
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9: "tab",
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27: "esc",
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37: "left",
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39: "right",
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13: "enter",
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38: "up",
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40: "down"
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};
|
function Input(o, www) {
|
o = o || {};
|
if (!o.input) {
|
$.error("input is missing");
|
}
|
www.mixin(this);
|
this.$hint = $(o.hint);
|
this.$input = $(o.input);
|
this.query = this.$input.val();
|
this.queryWhenFocused = this.hasFocus() ? this.query : null;
|
this.$overflowHelper = buildOverflowHelper(this.$input);
|
this._checkLanguageDirection();
|
if (this.$hint.length === 0) {
|
this.setHint = this.getHint = this.clearHint = this.clearHintIfInvalid = _.noop;
|
}
|
}
|
Input.normalizeQuery = function(str) {
|
return _.toStr(str).replace(/^\s*/g, "").replace(/\s{2,}/g, " ");
|
};
|
_.mixin(Input.prototype, EventEmitter, {
|
_onBlur: function onBlur() {
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this.resetInputValue();
|
this.trigger("blurred");
|
},
|
_onFocus: function onFocus() {
|
this.queryWhenFocused = this.query;
|
this.trigger("focused");
|
},
|
_onKeydown: function onKeydown($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._setQuery(this.getInputValue());
|
this.clearHintIfInvalid();
|
this._checkLanguageDirection();
|
},
|
_managePreventDefault: function managePreventDefault(keyName, $e) {
|
var preventDefault;
|
switch (keyName) {
|
case "up":
|
case "down":
|
preventDefault = !withModifier($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;
|
},
|
_checkLanguageDirection: function checkLanguageDirection() {
|
var dir = (this.$input.css("direction") || "ltr").toLowerCase();
|
if (this.dir !== dir) {
|
this.dir = dir;
|
this.$hint.attr("dir", dir);
|
this.trigger("langDirChanged", dir);
|
}
|
},
|
_setQuery: function setQuery(val, silent) {
|
var areEquivalent, hasDifferentWhitespace;
|
areEquivalent = areQueriesEquivalent(val, this.query);
|
hasDifferentWhitespace = areEquivalent ? this.query.length !== val.length : false;
|
this.query = val;
|
if (!silent && !areEquivalent) {
|
this.trigger("queryChanged", this.query);
|
} else if (!silent && hasDifferentWhitespace) {
|
this.trigger("whitespaceChanged", this.query);
|
}
|
},
|
bind: function() {
|
var that = this, onBlur, onFocus, onKeydown, onInput;
|
onBlur = _.bind(this._onBlur, this);
|
onFocus = _.bind(this._onFocus, this);
|
onKeydown = _.bind(this._onKeydown, this);
|
onInput = _.bind(this._onInput, this);
|
this.$input.on("blur.tt", onBlur).on("focus.tt", onFocus).on("keydown.tt", onKeydown);
|
if (!_.isMsie() || _.isMsie() > 9) {
|
this.$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, $e));
|
});
|
}
|
return this;
|
},
|
focus: function focus() {
|
this.$input.focus();
|
},
|
blur: function blur() {
|
this.$input.blur();
|
},
|
getLangDir: function getLangDir() {
|
return this.dir;
|
},
|
getQuery: function getQuery() {
|
return this.query || "";
|
},
|
setQuery: function setQuery(val, silent) {
|
this.setInputValue(val);
|
this._setQuery(val, silent);
|
},
|
hasQueryChangedSinceLastFocus: function hasQueryChangedSinceLastFocus() {
|
return this.query !== this.queryWhenFocused;
|
},
|
getInputValue: function getInputValue() {
|
return this.$input.val();
|
},
|
setInputValue: function setInputValue(value) {
|
this.$input.val(value);
|
this.clearHintIfInvalid();
|
this._checkLanguageDirection();
|
},
|
resetInputValue: function resetInputValue() {
|
this.setInputValue(this.query);
|
},
|
getHint: function getHint() {
|
return this.$hint.val();
|
},
|
setHint: function setHint(value) {
|
this.$hint.val(value);
|
},
|
clearHint: function clearHint() {
|
this.setHint("");
|
},
|
clearHintIfInvalid: function clearHintIfInvalid() {
|
var val, hint, valIsPrefixOfHint, isValid;
|
val = this.getInputValue();
|
hint = this.getHint();
|
valIsPrefixOfHint = val !== hint && hint.indexOf(val) === 0;
|
isValid = val !== "" && valIsPrefixOfHint && !this.hasOverflow();
|
!isValid && this.clearHint();
|
},
|
hasFocus: function hasFocus() {
|
return this.$input.is(":focus");
|
},
|
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.$input.off(".tt");
|
this.$overflowHelper.remove();
|
this.$hint = this.$input = this.$overflowHelper = $("<div>");
|
}
|
});
|
return Input;
|
function buildOverflowHelper($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 keys, nameGenerator;
|
keys = {
|
val: "tt-selectable-display",
|
obj: "tt-selectable-object"
|
};
|
nameGenerator = _.getIdGenerator();
|
function Dataset(o, www) {
|
o = o || {};
|
o.templates = o.templates || {};
|
o.templates.notFound = o.templates.notFound || o.templates.empty;
|
if (!o.source) {
|
$.error("missing source");
|
}
|
if (!o.node) {
|
$.error("missing node");
|
}
|
if (o.name && !isValidName(o.name)) {
|
$.error("invalid dataset name: " + o.name);
|
}
|
www.mixin(this);
|
this.highlight = !!o.highlight;
|
this.name = o.name || nameGenerator();
|
this.limit = o.limit || 5;
|
this.displayFn = getDisplayFn(o.display || o.displayKey);
|
this.templates = getTemplates(o.templates, this.displayFn);
|
this.source = o.source.__ttAdapter ? o.source.__ttAdapter() : o.source;
|
this.async = _.isUndefined(o.async) ? this.source.length > 2 : !!o.async;
|
this._resetLastSuggestion();
|
this.$el = $(o.node).addClass(this.classes.dataset).addClass(this.classes.dataset + "-" + this.name);
|
}
|
Dataset.extractData = function extractData(el) {
|
var $el = $(el);
|
if ($el.data(keys.obj)) {
|
return {
|
val: $el.data(keys.val) || "",
|
obj: $el.data(keys.obj) || null
|
};
|
}
|
return null;
|
};
|
_.mixin(Dataset.prototype, EventEmitter, {
|
_overwrite: function overwrite(query, suggestions) {
|
suggestions = suggestions || [];
|
if (suggestions.length) {
|
this._renderSuggestions(query, suggestions);
|
} else if (this.async && this.templates.pending) {
|
this._renderPending(query);
|
} else if (!this.async && this.templates.notFound) {
|
this._renderNotFound(query);
|
} else {
|
this._empty();
|
}
|
this.trigger("rendered", this.name, suggestions, false);
|
},
|
_append: function append(query, suggestions) {
|
suggestions = suggestions || [];
|
if (suggestions.length && this.$lastSuggestion.length) {
|
this._appendSuggestions(query, suggestions);
|
} else if (suggestions.length) {
|
this._renderSuggestions(query, suggestions);
|
} else if (!this.$lastSuggestion.length && this.templates.notFound) {
|
this._renderNotFound(query);
|
}
|
this.trigger("rendered", this.name, suggestions, true);
|
},
|
_renderSuggestions: function renderSuggestions(query, suggestions) {
|
var $fragment;
|
$fragment = this._getSuggestionsFragment(query, suggestions);
|
this.$lastSuggestion = $fragment.children().last();
|
this.$el.html($fragment).prepend(this._getHeader(query, suggestions)).append(this._getFooter(query, suggestions));
|
},
|
_appendSuggestions: function appendSuggestions(query, suggestions) {
|
var $fragment, $lastSuggestion;
|
$fragment = this._getSuggestionsFragment(query, suggestions);
|
$lastSuggestion = $fragment.children().last();
|
this.$lastSuggestion.after($fragment);
|
this.$lastSuggestion = $lastSuggestion;
|
},
|
_renderPending: function renderPending(query) {
|
var template = this.templates.pending;
|
this._resetLastSuggestion();
|
template && this.$el.html(template({
|
query: query,
|
dataset: this.name
|
}));
|
},
|
_renderNotFound: function renderNotFound(query) {
|
var template = this.templates.notFound;
|
this._resetLastSuggestion();
|
template && this.$el.html(template({
|
query: query,
|
dataset: this.name
|
}));
|
},
|
_empty: function empty() {
|
this.$el.empty();
|
this._resetLastSuggestion();
|
},
|
_getSuggestionsFragment: function getSuggestionsFragment(query, suggestions) {
|
var that = this, fragment;
|
fragment = document.createDocumentFragment();
|
_.each(suggestions, function getSuggestionNode(suggestion) {
|
var $el, context;
|
context = that._injectQuery(query, suggestion);
|
$el = $(that.templates.suggestion(context)).data(keys.obj, suggestion).data(keys.val, that.displayFn(suggestion)).addClass(that.classes.suggestion + " " + that.classes.selectable);
|
fragment.appendChild($el[0]);
|
});
|
this.highlight && highlight({
|
className: this.classes.highlight,
|
node: fragment,
|
pattern: query
|
});
|
return $(fragment);
|
},
|
_getFooter: function getFooter(query, suggestions) {
|
return this.templates.footer ? this.templates.footer({
|
query: query,
|
suggestions: suggestions,
|
dataset: this.name
|
}) : null;
|
},
|
_getHeader: function getHeader(query, suggestions) {
|
return this.templates.header ? this.templates.header({
|
query: query,
|
suggestions: suggestions,
|
dataset: this.name
|
}) : null;
|
},
|
_resetLastSuggestion: function resetLastSuggestion() {
|
this.$lastSuggestion = $();
|
},
|
_injectQuery: function injectQuery(query, obj) {
|
return _.isObject(obj) ? _.mixin({
|
_query: query
|
}, obj) : obj;
|
},
|
update: function update(query) {
|
var that = this, canceled = false, syncCalled = false, rendered = 0;
|
this.cancel();
|
this.cancel = function cancel() {
|
canceled = true;
|
that.cancel = $.noop;
|
that.async && that.trigger("asyncCanceled", query);
|
};
|
this.source(query, sync, async);
|
!syncCalled && sync([]);
|
function sync(suggestions) {
|
if (syncCalled) {
|
return;
|
}
|
syncCalled = true;
|
suggestions = (suggestions || []).slice(0, that.limit);
|
rendered = suggestions.length;
|
that._overwrite(query, suggestions);
|
if (rendered < that.limit && that.async) {
|
that.trigger("asyncRequested", query);
|
}
|
}
|
function async(suggestions) {
|
suggestions = suggestions || [];
|
if (!canceled && rendered < that.limit) {
|
that.cancel = $.noop;
|
rendered += suggestions.length;
|
that._append(query, suggestions.slice(0, that.limit - rendered));
|
that.async && that.trigger("asyncReceived", query);
|
}
|
}
|
},
|
cancel: $.noop,
|
clear: function clear() {
|
this._empty();
|
this.cancel();
|
this.trigger("cleared");
|
},
|
isEmpty: function isEmpty() {
|
return this.$el.is(":empty");
|
},
|
destroy: function destroy() {
|
this.$el = $("<div>");
|
}
|
});
|
return Dataset;
|
function getDisplayFn(display) {
|
display = display || _.stringify;
|
return _.isFunction(display) ? display : displayFn;
|
function displayFn(obj) {
|
return obj[display];
|
}
|
}
|
function getTemplates(templates, displayFn) {
|
return {
|
notFound: templates.notFound && _.templatify(templates.notFound),
|
pending: templates.pending && _.templatify(templates.pending),
|
header: templates.header && _.templatify(templates.header),
|
footer: templates.footer && _.templatify(templates.footer),
|
suggestion: templates.suggestion || suggestionTemplate
|
};
|
function suggestionTemplate(context) {
|
return $("<div>").text(displayFn(context));
|
}
|
}
|
function isValidName(str) {
|
return /^[_a-zA-Z0-9-]+$/.test(str);
|
}
|
}();
|
var Menu = function() {
|
"use strict";
|
function Menu(o, www) {
|
var that = this;
|
o = o || {};
|
if (!o.node) {
|
$.error("node is required");
|
}
|
www.mixin(this);
|
this.$node = $(o.node);
|
this.query = null;
|
this.datasets = _.map(o.datasets, initializeDataset);
|
function initializeDataset(oDataset) {
|
var node = that.$node.find(oDataset.node).first();
|
oDataset.node = node.length ? node : $("<div>").appendTo(that.$node);
|
return new Dataset(oDataset, www);
|
}
|
}
|
_.mixin(Menu.prototype, EventEmitter, {
|
_onSelectableClick: function onSelectableClick($e) {
|
this.trigger("selectableClicked", $($e.currentTarget));
|
},
|
_onRendered: function onRendered(type, dataset, suggestions, async) {
|
this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty());
|
this.trigger("datasetRendered", dataset, suggestions, async);
|
},
|
_onCleared: function onCleared() {
|
this.$node.toggleClass(this.classes.empty, this._allDatasetsEmpty());
|
this.trigger("datasetCleared");
|
},
|
_propagate: function propagate() {
|
this.trigger.apply(this, arguments);
|
},
|
_allDatasetsEmpty: function allDatasetsEmpty() {
|
return _.every(this.datasets, isDatasetEmpty);
|
function isDatasetEmpty(dataset) {
|
return dataset.isEmpty();
|
}
|
},
|
_getSelectables: function getSelectables() {
|
return this.$node.find(this.selectors.selectable);
|
},
|
_removeCursor: function _removeCursor() {
|
var $selectable = this.getActiveSelectable();
|
$selectable && $selectable.removeClass(this.classes.cursor);
|
},
|
_ensureVisible: function ensureVisible($el) {
|
var elTop, elBottom, nodeScrollTop, nodeHeight;
|
elTop = $el.position().top;
|
elBottom = elTop + $el.outerHeight(true);
|
nodeScrollTop = this.$node.scrollTop();
|
nodeHeight = this.$node.height() + parseInt(this.$node.css("paddingTop"), 10) + parseInt(this.$node.css("paddingBottom"), 10);
|
if (elTop < 0) {
|
this.$node.scrollTop(nodeScrollTop + elTop);
|
} else if (nodeHeight < elBottom) {
|
this.$node.scrollTop(nodeScrollTop + (elBottom - nodeHeight));
|
}
|
},
|
bind: function() {
|
var that = this, onSelectableClick;
|
onSelectableClick = _.bind(this._onSelectableClick, this);
|
this.$node.on("click.tt", this.selectors.selectable, onSelectableClick);
|
_.each(this.datasets, function(dataset) {
|
dataset.onSync("asyncRequested", that._propagate, that).onSync("asyncCanceled", that._propagate, that).onSync("asyncReceived", that._propagate, that).onSync("rendered", that._onRendered, that).onSync("cleared", that._onCleared, that);
|
});
|
return this;
|
},
|
isOpen: function isOpen() {
|
return this.$node.hasClass(this.classes.open);
|
},
|
open: function open() {
|
this.$node.addClass(this.classes.open);
|
},
|
close: function close() {
|
this.$node.removeClass(this.classes.open);
|
this._removeCursor();
|
},
|
setLanguageDirection: function setLanguageDirection(dir) {
|
this.$node.attr("dir", dir);
|
},
|
selectableRelativeToCursor: function selectableRelativeToCursor(delta) {
|
var $selectables, $oldCursor, oldIndex, newIndex;
|
$oldCursor = this.getActiveSelectable();
|
$selectables = this._getSelectables();
|
oldIndex = $oldCursor ? $selectables.index($oldCursor) : -1;
|
newIndex = oldIndex + delta;
|
newIndex = (newIndex + 1) % ($selectables.length + 1) - 1;
|
newIndex = newIndex < -1 ? $selectables.length - 1 : newIndex;
|
return newIndex === -1 ? null : $selectables.eq(newIndex);
|
},
|
setCursor: function setCursor($selectable) {
|
this._removeCursor();
|
if ($selectable = $selectable && $selectable.first()) {
|
$selectable.addClass(this.classes.cursor);
|
this._ensureVisible($selectable);
|
}
|
},
|
getSelectableData: function getSelectableData($el) {
|
return $el && $el.length ? Dataset.extractData($el) : null;
|
},
|
getActiveSelectable: function getActiveSelectable() {
|
var $selectable = this._getSelectables().filter(this.selectors.cursor).first();
|
return $selectable.length ? $selectable : null;
|
},
|
getTopSelectable: function getTopSelectable() {
|
var $selectable = this._getSelectables().first();
|
return $selectable.length ? $selectable : null;
|
},
|
update: function update(query) {
|
var isValidUpdate = query !== this.query;
|
if (isValidUpdate) {
|
this.query = query;
|
_.each(this.datasets, updateDataset);
|
}
|
return isValidUpdate;
|
function updateDataset(dataset) {
|
dataset.update(query);
|
}
|
},
|
empty: function empty() {
|
_.each(this.datasets, clearDataset);
|
this.query = null;
|
this.$node.addClass(this.classes.empty);
|
function clearDataset(dataset) {
|
dataset.clear();
|
}
|
},
|
destroy: function destroy() {
|
this.$node.off(".tt");
|
this.$node = $("<div>");
|
_.each(this.datasets, destroyDataset);
|
function destroyDataset(dataset) {
|
dataset.destroy();
|
}
|
}
|
});
|
return Menu;
|
}();
|
var DefaultMenu = function() {
|
"use strict";
|
var s = Menu.prototype;
|
function DefaultMenu() {
|
Menu.apply(this, [].slice.call(arguments, 0));
|
}
|
_.mixin(DefaultMenu.prototype, Menu.prototype, {
|
open: function open() {
|
!this._allDatasetsEmpty() && this._show();
|
return s.open.apply(this, [].slice.call(arguments, 0));
|
},
|
close: function close() {
|
this._hide();
|
return s.close.apply(this, [].slice.call(arguments, 0));
|
},
|
_onRendered: function onRendered() {
|
if (this._allDatasetsEmpty()) {
|
this._hide();
|
} else {
|
this.isOpen() && this._show();
|
}
|
return s._onRendered.apply(this, [].slice.call(arguments, 0));
|
},
|
_onCleared: function onCleared() {
|
if (this._allDatasetsEmpty()) {
|
this._hide();
|
} else {
|
this.isOpen() && this._show();
|
}
|
return s._onCleared.apply(this, [].slice.call(arguments, 0));
|
},
|
setLanguageDirection: function setLanguageDirection(dir) {
|
this.$node.css(dir === "ltr" ? this.css.ltr : this.css.rtl);
|
return s.setLanguageDirection.apply(this, [].slice.call(arguments, 0));
|
},
|
_hide: function hide() {
|
this.$node.hide();
|
},
|
_show: function show() {
|
this.$node.css("display", "block");
|
}
|
});
|
return DefaultMenu;
|
}();
|
var Typeahead = function() {
|
"use strict";
|
function Typeahead(o, www) {
|
var onFocused, onBlurred, onEnterKeyed, onTabKeyed, onEscKeyed, onUpKeyed, onDownKeyed, onLeftKeyed, onRightKeyed, onQueryChanged, onWhitespaceChanged;
|
o = o || {};
|
if (!o.input) {
|
$.error("missing input");
|
}
|
if (!o.menu) {
|
$.error("missing menu");
|
}
|
if (!o.eventBus) {
|
$.error("missing event bus");
|
}
|
www.mixin(this);
|
this.eventBus = o.eventBus;
|
this.minLength = _.isNumber(o.minLength) ? o.minLength : 1;
|
this.input = o.input;
|
this.menu = o.menu;
|
this.enabled = true;
|
this.active = false;
|
this.input.hasFocus() && this.activate();
|
this.dir = this.input.getLangDir();
|
this._hacks();
|
this.menu.bind().onSync("selectableClicked", this._onSelectableClicked, this).onSync("asyncRequested", this._onAsyncRequested, this).onSync("asyncCanceled", this._onAsyncCanceled, this).onSync("asyncReceived", this._onAsyncReceived, this).onSync("datasetRendered", this._onDatasetRendered, this).onSync("datasetCleared", this._onDatasetCleared, this);
|
onFocused = c(this, "activate", "open", "_onFocused");
|
onBlurred = c(this, "deactivate", "_onBlurred");
|
onEnterKeyed = c(this, "isActive", "isOpen", "_onEnterKeyed");
|
onTabKeyed = c(this, "isActive", "isOpen", "_onTabKeyed");
|
onEscKeyed = c(this, "isActive", "_onEscKeyed");
|
onUpKeyed = c(this, "isActive", "open", "_onUpKeyed");
|
onDownKeyed = c(this, "isActive", "open", "_onDownKeyed");
|
onLeftKeyed = c(this, "isActive", "isOpen", "_onLeftKeyed");
|
onRightKeyed = c(this, "isActive", "isOpen", "_onRightKeyed");
|
onQueryChanged = c(this, "_openIfActive", "_onQueryChanged");
|
onWhitespaceChanged = c(this, "_openIfActive", "_onWhitespaceChanged");
|
this.input.bind().onSync("focused", onFocused, this).onSync("blurred", onBlurred, this).onSync("enterKeyed", onEnterKeyed, this).onSync("tabKeyed", onTabKeyed, this).onSync("escKeyed", onEscKeyed, this).onSync("upKeyed", onUpKeyed, this).onSync("downKeyed", onDownKeyed, this).onSync("leftKeyed", onLeftKeyed, this).onSync("rightKeyed", onRightKeyed, this).onSync("queryChanged", onQueryChanged, this).onSync("whitespaceChanged", onWhitespaceChanged, this).onSync("langDirChanged", this._onLangDirChanged, this);
|
}
|
_.mixin(Typeahead.prototype, {
|
_hacks: function hacks() {
|
var $input, $menu;
|
$input = this.input.$input || $("<div>");
|
$menu = this.menu.$node || $("<div>");
|
$input.on("blur.tt", function($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();
|
});
|
},
|
_onSelectableClicked: function onSelectableClicked(type, $el) {
|
this.select($el);
|
},
|
_onDatasetCleared: function onDatasetCleared() {
|
this._updateHint();
|
},
|
_onDatasetRendered: function onDatasetRendered(type, dataset, suggestions, async) {
|
this._updateHint();
|
this.eventBus.trigger("render", suggestions, async, dataset);
|
},
|
_onAsyncRequested: function onAsyncRequested(type, dataset, query) {
|
this.eventBus.trigger("asyncrequest", query, dataset);
|
},
|
_onAsyncCanceled: function onAsyncCanceled(type, dataset, query) {
|
this.eventBus.trigger("asynccancel", query, dataset);
|
},
|
_onAsyncReceived: function onAsyncReceived(type, dataset, query) {
|
this.eventBus.trigger("asyncreceive", query, dataset);
|
},
|
_onFocused: function onFocused() {
|
this._minLengthMet() && this.menu.update(this.input.getQuery());
|
},
|
_onBlurred: function onBlurred() {
|
if (this.input.hasQueryChangedSinceLastFocus()) {
|
this.eventBus.trigger("change", this.input.getQuery());
|
}
|
},
|
_onEnterKeyed: function onEnterKeyed(type, $e) {
|
var $selectable;
|
if ($selectable = this.menu.getActiveSelectable()) {
|
this.select($selectable) && $e.preventDefault();
|
}
|
},
|
_onTabKeyed: function onTabKeyed(type, $e) {
|
var $selectable;
|
if ($selectable = this.menu.getActiveSelectable()) {
|
this.select($selectable) && $e.preventDefault();
|
} else if ($selectable = this.menu.getTopSelectable()) {
|
this.autocomplete($selectable) && $e.preventDefault();
|
}
|
},
|
_onEscKeyed: function onEscKeyed() {
|
this.close();
|
},
|
_onUpKeyed: function onUpKeyed() {
|
this.moveCursor(-1);
|
},
|
_onDownKeyed: function onDownKeyed() {
|
this.moveCursor(+1);
|
},
|
_onLeftKeyed: function onLeftKeyed() {
|
if (this.dir === "rtl" && this.input.isCursorAtEnd()) {
|
this.autocomplete(this.menu.getTopSelectable());
|
}
|
},
|
_onRightKeyed: function onRightKeyed() {
|
if (this.dir === "ltr" && this.input.isCursorAtEnd()) {
|
this.autocomplete(this.menu.getTopSelectable());
|
}
|
},
|
_onQueryChanged: function onQueryChanged(e, query) {
|
this._minLengthMet(query) ? this.menu.update(query) : this.menu.empty();
|
},
|
_onWhitespaceChanged: function onWhitespaceChanged() {
|
this._updateHint();
|
},
|
_onLangDirChanged: function onLangDirChanged(e, dir) {
|
if (this.dir !== dir) {
|
this.dir = dir;
|
this.menu.setLanguageDirection(dir);
|
}
|
},
|
_openIfActive: function openIfActive() {
|
this.isActive() && this.open();
|
},
|
_minLengthMet: function minLengthMet(query) {
|
query = _.isString(query) ? query : this.input.getQuery() || "";
|
return query.length >= this.minLength;
|
},
|
_updateHint: function updateHint() {
|
var $selectable, data, val, query, escapedQuery, frontMatchRegEx, match;
|
$selectable = this.menu.getTopSelectable();
|
data = this.menu.getSelectableData($selectable);
|
val = this.input.getInputValue();
|
if (data && !_.isBlankString(val) && !this.input.hasOverflow()) {
|
query = Input.normalizeQuery(val);
|
escapedQuery = _.escapeRegExChars(query);
|
frontMatchRegEx = new RegExp("^(?:" + escapedQuery + ")(.+$)", "i");
|
match = frontMatchRegEx.exec(data.val);
|
match && this.input.setHint(val + match[1]);
|
} else {
|
this.input.clearHint();
|
}
|
},
|
isEnabled: function isEnabled() {
|
return this.enabled;
|
},
|
enable: function enable() {
|
this.enabled = true;
|
},
|
disable: function disable() {
|
this.enabled = false;
|
},
|
isActive: function isActive() {
|
return this.active;
|
},
|
activate: function activate() {
|
if (this.isActive()) {
|
return true;
|
} else if (!this.isEnabled() || this.eventBus.before("active")) {
|
return false;
|
} else {
|
this.active = true;
|
this.eventBus.trigger("active");
|
return true;
|
}
|
},
|
deactivate: function deactivate() {
|
if (!this.isActive()) {
|
return true;
|
} else if (this.eventBus.before("idle")) {
|
return false;
|
} else {
|
this.active = false;
|
this.close();
|
this.eventBus.trigger("idle");
|
return true;
|
}
|
},
|
isOpen: function isOpen() {
|
return this.menu.isOpen();
|
},
|
open: function open() {
|
if (!this.isOpen() && !this.eventBus.before("open")) {
|
this.menu.open();
|
this._updateHint();
|
this.eventBus.trigger("open");
|
}
|
return this.isOpen();
|
},
|
close: function close() {
|
if (this.isOpen() && !this.eventBus.before("close")) {
|
this.menu.close();
|
this.input.clearHint();
|
this.input.resetInputValue();
|
this.eventBus.trigger("close");
|
}
|
return !this.isOpen();
|
},
|
setVal: function setVal(val) {
|
this.input.setQuery(_.toStr(val));
|
},
|
getVal: function getVal() {
|
return this.input.getQuery();
|
},
|
select: function select($selectable) {
|
var data = this.menu.getSelectableData($selectable);
|
if (data && !this.eventBus.before("select", data.obj)) {
|
this.input.setQuery(data.val, true);
|
this.eventBus.trigger("select", data.obj);
|
this.close();
|
return true;
|
}
|
return false;
|
},
|
autocomplete: function autocomplete($selectable) {
|
var query, data, isValid;
|
query = this.input.getQuery();
|
data = this.menu.getSelectableData($selectable);
|
isValid = data && query !== data.val;
|
if (isValid && !this.eventBus.before("autocomplete", data.obj)) {
|
this.input.setQuery(data.val);
|
this.eventBus.trigger("autocomplete", data.obj);
|
return true;
|
}
|
return false;
|
},
|
moveCursor: function moveCursor(delta) {
|
var query, $candidate, data, payload, cancelMove;
|
query = this.input.getQuery();
|
$candidate = this.menu.selectableRelativeToCursor(delta);
|
data = this.menu.getSelectableData($candidate);
|
payload = data ? data.obj : null;
|
cancelMove = this._minLengthMet() && this.menu.update(query);
|
if (!cancelMove && !this.eventBus.before("cursorchange", payload)) {
|
this.menu.setCursor($candidate);
|
if (data) {
|
this.input.setInputValue(data.val);
|
} else {
|
this.input.resetInputValue();
|
this._updateHint();
|
}
|
this.eventBus.trigger("cursorchange", payload);
|
return true;
|
}
|
return false;
|
},
|
destroy: function destroy() {
|
this.input.destroy();
|
this.menu.destroy();
|
}
|
});
|
return Typeahead;
|
function c(ctx) {
|
var methods = [].slice.call(arguments, 1);
|
return function() {
|
var args = [].slice.call(arguments);
|
_.each(methods, function(method) {
|
return ctx[method].apply(ctx, args);
|
});
|
};
|
}
|
}();
|
(function() {
|
"use strict";
|
var old, keys, methods;
|
old = $.fn.typeahead;
|
keys = {
|
www: "tt-www",
|
attrs: "tt-attrs",
|
typeahead: "tt-typeahead"
|
};
|
methods = {
|
initialize: function initialize(o, datasets) {
|
var www;
|
datasets = _.isArray(datasets) ? datasets : [].slice.call(arguments, 1);
|
o = o || {};
|
www = WWW(o.classNames);
|
return this.each(attach);
|
function attach() {
|
var $input, $wrapper, $hint, $menu, defaultHint, defaultMenu, eventBus, input, menu, typeahead, MenuConstructor;
|
_.each(datasets, function(d) {
|
d.highlight = !!o.highlight;
|
});
|
$input = $(this);
|
$wrapper = $(www.html.wrapper);
|
$hint = $elOrNull(o.hint);
|
$menu = $elOrNull(o.menu);
|
defaultHint = o.hint !== false && !$hint;
|
defaultMenu = o.menu !== false && !$menu;
|
defaultHint && ($hint = buildHintFromInput($input, www));
|
defaultMenu && ($menu = $(www.html.menu).css(www.css.menu));
|
$hint && $hint.val("");
|
$input = prepInput($input, www);
|
if (defaultHint || defaultMenu) {
|
$wrapper.css(www.css.wrapper);
|
$input.css(defaultHint ? www.css.input : www.css.inputWithNoHint);
|
$input.wrap($wrapper).parent().prepend(defaultHint ? $hint : null).append(defaultMenu ? $menu : null);
|
}
|
MenuConstructor = defaultMenu ? DefaultMenu : Menu;
|
eventBus = new EventBus({
|
el: $input
|
});
|
input = new Input({
|
hint: $hint,
|
input: $input
|
}, www);
|
menu = new MenuConstructor({
|
node: $menu,
|
datasets: datasets
|
}, www);
|
typeahead = new Typeahead({
|
input: input,
|
menu: menu,
|
eventBus: eventBus,
|
minLength: o.minLength
|
}, www);
|
$input.data(keys.www, www);
|
$input.data(keys.typeahead, typeahead);
|
}
|
},
|
isEnabled: function isEnabled() {
|
var enabled;
|
ttEach(this.first(), function(t) {
|
enabled = t.isEnabled();
|
});
|
return enabled;
|
},
|
enable: function enable() {
|
ttEach(this, function(t) {
|
t.enable();
|
});
|
return this;
|
},
|
disable: function disable() {
|
ttEach(this, function(t) {
|
t.disable();
|
});
|
return this;
|
},
|
isActive: function isActive() {
|
var active;
|
ttEach(this.first(), function(t) {
|
active = t.isActive();
|
});
|
return active;
|
},
|
activate: function activate() {
|
ttEach(this, function(t) {
|
t.activate();
|
});
|
return this;
|
},
|
deactivate: function deactivate() {
|
ttEach(this, function(t) {
|
t.deactivate();
|
});
|
return this;
|
},
|
isOpen: function isOpen() {
|
var open;
|
ttEach(this.first(), function(t) {
|
open = t.isOpen();
|
});
|
return open;
|
},
|
open: function open() {
|
ttEach(this, function(t) {
|
t.open();
|
});
|
return this;
|
},
|
close: function close() {
|
ttEach(this, function(t) {
|
t.close();
|
});
|
return this;
|
},
|
select: function select(el) {
|
var success = false, $el = $(el);
|
ttEach(this.first(), function(t) {
|
success = t.select($el);
|
});
|
return success;
|
},
|
autocomplete: function autocomplete(el) {
|
var success = false, $el = $(el);
|
ttEach(this.first(), function(t) {
|
success = t.autocomplete($el);
|
});
|
return success;
|
},
|
moveCursor: function moveCursoe(delta) {
|
var success = false;
|
ttEach(this.first(), function(t) {
|
success = t.moveCursor(delta);
|
});
|
return success;
|
},
|
val: function val(newVal) {
|
var query;
|
if (!arguments.length) {
|
ttEach(this.first(), function(t) {
|
query = t.getVal();
|
});
|
return query;
|
} else {
|
ttEach(this, function(t) {
|
t.setVal(newVal);
|
});
|
return this;
|
}
|
},
|
destroy: function destroy() {
|
ttEach(this, function(typeahead, $input) {
|
revert($input);
|
typeahead.destroy();
|
});
|
return this;
|
}
|
};
|
$.fn.typeahead = function(method) {
|
if (methods[method]) {
|
return methods[method].apply(this, [].slice.call(arguments, 1));
|
} else {
|
return methods.initialize.apply(this, arguments);
|
}
|
};
|
$.fn.typeahead.noConflict = function noConflict() {
|
$.fn.typeahead = old;
|
return this;
|
};
|
function ttEach($els, fn) {
|
$els.each(function() {
|
var $input = $(this), typeahead;
|
(typeahead = $input.data(keys.typeahead)) && fn(typeahead, $input);
|
});
|
}
|
function buildHintFromInput($input, www) {
|
return $input.clone().addClass(www.classes.hint).removeData().css(www.css.hint).css(getBackgroundStyles($input)).prop("readonly", true).removeAttr("id name placeholder required").attr({
|
autocomplete: "off",
|
spellcheck: "false",
|
tabindex: -1
|
});
|
}
|
function prepInput($input, www) {
|
$input.data(keys.attrs, {
|
dir: $input.attr("dir"),
|
autocomplete: $input.attr("autocomplete"),
|
spellcheck: $input.attr("spellcheck"),
|
style: $input.attr("style")
|
});
|
$input.addClass(www.classes.input).attr({
|
autocomplete: "off",
|
spellcheck: false
|
});
|
try {
|
!$input.attr("dir") && $input.attr("dir", "auto");
|
} catch (e) {}
|
return $input;
|
}
|
function getBackgroundStyles($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: $el.css("background-size")
|
};
|
}
|
function revert($input) {
|
var www, $wrapper;
|
www = $input.data(keys.www);
|
$wrapper = $input.parent().filter(www.selectors.wrapper);
|
_.each($input.data(keys.attrs), function(val, key) {
|
_.isUndefined(val) ? $input.removeAttr(key) : $input.attr(key, val);
|
});
|
$input.removeData(keys.typeahead).removeData(keys.www).removeData(keys.attr).removeClass(www.classes.input);
|
if ($wrapper.length) {
|
$input.detach().insertAfter($wrapper);
|
$wrapper.remove();
|
}
|
}
|
function $elOrNull(obj) {
|
var isValid, $el;
|
isValid = _.isJQuery(obj) || _.isElement(obj);
|
$el = isValid ? $(obj).first() : [];
|
return $el.length ? $el : null;
|
}
|
})();
|
});
|
