bootstrap3-typeahead.min.js

(function(root,factory){"use strict";if(typeof module!=="undefined"&&module.exports){module.exports=factory(require("jquery")(root))}else if(typeof define==="function"&&define.amd){define("bootstrap3-typeahead",["jquery"],function($){return factory($)})}else{factory(root.jQuery)}})(this,function($){"use strict";var Typeahead=function(element,options){this.$element=$(element);this.options=$.extend({},$.fn.typeahead.defaults,options);this.matcher=this.options.matcher||this.matcher;this.sorter=this.options.sorter||this.sorter;this.select=this.options.select||this.select;this.autoSelect=typeof this.options.autoSelect=="boolean"?this.options.autoSelect:true;this.highlighter=this.options.highlighter||this.highlighter;this.render=this.options.render||this.render;this.updater=this.options.updater||this.updater;this.source=this.options.source;this.delay=typeof this.options.delay=="number"?this.options.delay:250;this.$menu=$(this.options.menu);this.shown=false;this.listen();this.showHintOnFocus=typeof this.options.showHintOnFocus=="boolean"?this.options.showHintOnFocus:false};Typeahead.prototype={constructor:Typeahead,select:function(){var val=this.$menu.find(".active").data("value");if(this.autoSelect||val){this.$element.val(this.updater(val)).change()}return this.hide()},updater:function(item){return item},setSource:function(source){this.source=source},show:function(){var pos=$.extend({},this.$element.position(),{height:this.$element[0].offsetHeight}),scrollHeight;scrollHeight=typeof this.options.scrollHeight=="function"?this.options.scrollHeight.call():this.options.scrollHeight;this.$menu.insertAfter(this.$element).css({top:pos.top+pos.height+scrollHeight,left:pos.left}).show();this.shown=true;return this},hide:function(){this.$menu.hide();this.shown=false;return this},lookup:function(query){var items;if(typeof query!="undefined"&&query!==null){this.query=query}else{this.query=this.$element.val()||""}if(this.query.length<this.options.minLength&&!this.showHintOnFocus){return this.shown?this.hide():this}var worker=$.proxy(function(){items=$.isFunction(this.source)?this.source(this.query,$.proxy(this.process,this)):this.source;if(items){this.process(items)}},this);clearTimeout(this.lookupWorker);this.lookupWorker=setTimeout(worker,this.delay)},process:function(items){var that=this;items=$.grep(items,function(item){return that.matcher(item)});items=this.sorter(items);if(!items.length){return this.shown?this.hide():this}if(this.options.items=="all"){return this.render(items).show()}else{return this.render(items.slice(0,this.options.items)).show()}},matcher:function(item){return~item.toLowerCase().indexOf(this.query.toLowerCase())},sorter:function(items){var beginswith=[],caseSensitive=[],caseInsensitive=[],item;while(item=items.shift()){if(!item.toLowerCase().indexOf(this.query.toLowerCase()))beginswith.push(item);else if(~item.indexOf(this.query))caseSensitive.push(item);else caseInsensitive.push(item)}return beginswith.concat(caseSensitive,caseInsensitive)},highlighter:function(item){var html=$("<div></div>");var query=this.query;var i=item.indexOf(query);var len,leftPart,middlePart,rightPart,strong;len=query.length;if(len==0){return html.text(item).html()}while(i>-1){leftPart=item.substr(0,i);middlePart=item.substr(i,len);rightPart=item.substr(i+len);strong=$("<strong></strong>").text(middlePart);html.append(document.createTextNode(leftPart)).append(strong);item=rightPart;i=item.indexOf(query)}return html.append(document.createTextNode(item)).html()},render:function(items){var that=this;items=$(items).map(function(i,item){i=$(that.options.item).data("value",item);i.find("a").html(that.highlighter(item));return i[0]});if(this.autoSelect){items.first().addClass("active")}this.$menu.html(items);return this},next:function(event){var active=this.$menu.find(".active").removeClass("active"),next=active.next();if(!next.length){next=$(this.$menu.find("li")[0])}next.addClass("active")},prev:function(event){var active=this.$menu.find(".active").removeClass("active"),prev=active.prev();if(!prev.length){prev=this.$menu.find("li").last()}prev.addClass("active")},listen:function(){this.$element.on("focus",$.proxy(this.focus,this)).on("blur",$.proxy(this.blur,this)).on("keypress",$.proxy(this.keypress,this)).on("keyup",$.proxy(this.keyup,this));if(this.eventSupported("keydown")){this.$element.on("keydown",$.proxy(this.keydown,this))}this.$menu.on("click",$.proxy(this.click,this)).on("mouseenter","li",$.proxy(this.mouseenter,this)).on("mouseleave","li",$.proxy(this.mouseleave,this))},destroy:function(){this.$element.data("typeahead",null);this.$element.off("focus").off("blur").off("keypress").off("keyup");if(this.eventSupported("keydown")){this.$element.off("keydown")}this.$menu.remove()},eventSupported:function(eventName){var isSupported=eventName in this.$element;if(!isSupported){this.$element.setAttribute(eventName,"return;");isSupported=typeof this.$element[eventName]==="function"}return isSupported},move:function(e){if(!this.shown)return;switch(e.keyCode){case 9:case 13:case 27:e.preventDefault();break;case 38:e.preventDefault();this.prev();break;case 40:e.preventDefault();this.next();break}e.stopPropagation()},keydown:function(e){this.suppressKeyPressRepeat=~$.inArray(e.keyCode,[40,38,9,13,27]);if(!this.shown&&e.keyCode==40){this.lookup("")}else{this.move(e)}},keypress:function(e){if(this.suppressKeyPressRepeat)return;this.move(e)},keyup:function(e){switch(e.keyCode){case 40:case 38:case 16:case 17:case 18:break;case 9:case 13:if(!this.shown)return;this.select();break;case 27:if(!this.shown)return;this.hide();break;default:this.lookup()}e.stopPropagation();e.preventDefault()},focus:function(e){if(!this.focused){this.focused=true;if(this.options.minLength===0&&!this.$element.val()||this.options.showHintOnFocus){this.lookup()}}},blur:function(e){this.focused=false;if(!this.mousedover&&this.shown)this.hide()},click:function(e){e.stopPropagation();e.preventDefault();this.select();this.$element.focus()},mouseenter:function(e){this.mousedover=true;this.$menu.find(".active").removeClass("active");$(e.currentTarget).addClass("active")},mouseleave:function(e){this.mousedover=false;if(!this.focused&&this.shown)this.hide()}};var old=$.fn.typeahead;$.fn.typeahead=function(option){var arg=arguments;return this.each(function(){var $this=$(this),data=$this.data("typeahead"),options=typeof option=="object"&&option;if(!data)$this.data("typeahead",data=new Typeahead(this,options));if(typeof option=="string"){if(arg.length>1){data[option].apply(data,Array.prototype.slice.call(arg,1))}else{data[option]()}}})};$.fn.typeahead.defaults={source:[],items:8,menu:'<ul class="typeahead dropdown-menu"></ul>',item:'<li><a href="#"></a></li>',minLength:1,scrollHeight:0,autoSelect:true};$.fn.typeahead.Constructor=Typeahead;$.fn.typeahead.noConflict=function(){$.fn.typeahead=old;return this};$(document).on("focus.typeahead.data-api",'[data-provide="typeahead"]',function(e){var $this=$(this);if($this.data("typeahead"))return;$this.typeahead($this.data())})});