auto-complete.min.js

var autoComplete=function(){function autoComplete(options){if(!document.querySelector)return;function hasClass(el,className){return el.classList?el.classList.contains(className):new RegExp("\\b"+className+"\\b").test(el.className)}function addEvent(el,type,handler){if(el.attachEvent)el.attachEvent("on"+type,handler);else el.addEventListener(type,handler)}function removeEvent(el,type,handler){if(el.detachEvent)el.detachEvent("on"+type,handler);else el.removeEventListener(type,handler)}function live(elClass,event,cb,context){addEvent(context||document,event,function(e){var found,el=e.target||e.srcElement;while(el&&!(found=hasClass(el,elClass)))el=el.parentElement;if(found)cb.call(el,e)})}var o={selector:0,source:0,minChars:3,delay:150,offsetLeft:0,offsetTop:1,cache:1,menuClass:"",renderItem:function(item,search){search=search.replace(/[-\/\\^$*+?.()|[\]{}]/g,"\\$&");var re=new RegExp("("+search.split(" ").join("|")+")","gi");return'<div class="autocomplete-suggestion" data-val="'+item.replace(/"/g,"&quot;")+'">'+item.replace(re,"<b>$1</b>")+"</div>"},onSelect:function(e,term,item){}};for(var k in options){if(options.hasOwnProperty(k))o[k]=options[k]}var elems=typeof o.selector=="object"?[o.selector]:document.querySelectorAll(o.selector);for(var i=0;i<elems.length;i++){var that=elems[i];that.sc=document.createElement("div");that.sc.className="autocomplete-suggestions "+o.menuClass;that.autocompleteAttr=that.getAttribute("autocomplete");that.setAttribute("autocomplete","off");that.cache={};that.last_val="";that.updateSC=function(resize,next){var rect=that.getBoundingClientRect();that.sc.style.left=Math.round(rect.left+(window.pageXOffset||document.documentElement.scrollLeft)+o.offsetLeft)+"px";that.sc.style.top=Math.round(rect.bottom+(window.pageYOffset||document.documentElement.scrollTop)+o.offsetTop)+"px";that.sc.style.width=Math.round(rect.right-rect.left)+"px";if(!resize){that.sc.style.display="block";if(!that.sc.maxHeight){that.sc.maxHeight=parseInt((window.getComputedStyle?getComputedStyle(that.sc,null):that.sc.currentStyle).maxHeight)}if(!that.sc.suggestionHeight)that.sc.suggestionHeight=that.sc.querySelector(".autocomplete-suggestion").offsetHeight;if(that.sc.suggestionHeight)if(!next)that.sc.scrollTop=0;else{var scrTop=that.sc.scrollTop,selTop=next.getBoundingClientRect().top-that.sc.getBoundingClientRect().top;if(selTop+that.sc.suggestionHeight-that.sc.maxHeight>0)that.sc.scrollTop=selTop+that.sc.suggestionHeight+scrTop-that.sc.maxHeight;else if(selTop<0)that.sc.scrollTop=selTop+scrTop}}};addEvent(window,"resize",that.updateSC);document.body.appendChild(that.sc);live("autocomplete-suggestion","mouseleave",function(e){var sel=that.sc.querySelector(".autocomplete-suggestion.selected");if(sel)setTimeout(function(){sel.className=sel.className.replace("selected","")},20)},that.sc);live("autocomplete-suggestion","mouseover",function(e){var sel=that.sc.querySelector(".autocomplete-suggestion.selected");if(sel)sel.className=sel.className.replace("selected","");this.className+=" selected"},that.sc);live("autocomplete-suggestion","mousedown",function(e){if(hasClass(this,"autocomplete-suggestion")){var v=this.getAttribute("data-val");that.value=v;o.onSelect(e,v,this);that.sc.style.display="none"}},that.sc);that.blurHandler=function(){try{var over_sb=document.querySelector(".autocomplete-suggestions:hover")}catch(e){var over_sb=0}if(!over_sb){that.last_val=that.value;that.sc.style.display="none";setTimeout(function(){that.sc.style.display="none"},350)}else if(that!==document.activeElement)setTimeout(function(){that.focus()},20)};addEvent(that,"blur",that.blurHandler);var suggest=function(data){var val=that.value;that.cache[val]=data;if(data.length&&val.length>=o.minChars){var s="";for(var i=0;i<data.length;i++)s+=o.renderItem(data[i],val);that.sc.innerHTML=s;that.updateSC(0)}else that.sc.style.display="none"};that.keydownHandler=function(e){var key=window.event?e.keyCode:e.which;if((key==40||key==38)&&that.sc.innerHTML){var next,sel=that.sc.querySelector(".autocomplete-suggestion.selected");if(!sel){next=key==40?that.sc.querySelector(".autocomplete-suggestion"):that.sc.childNodes[that.sc.childNodes.length-1];next.className+=" selected";that.value=next.getAttribute("data-val")}else{next=key==40?sel.nextSibling:sel.previousSibling;if(next){sel.className=sel.className.replace("selected","");next.className+=" selected";that.value=next.getAttribute("data-val")}else{sel.className=sel.className.replace("selected","");that.value=that.last_val;next=0}}that.updateSC(0,next);return false}else if(key==27){that.value=that.last_val;that.sc.style.display="none"}else if(key==13||key==9){var sel=that.sc.querySelector(".autocomplete-suggestion.selected");if(sel&&that.sc.style.display!="none"){o.onSelect(e,sel.getAttribute("data-val"),sel);setTimeout(function(){that.sc.style.display="none"},20)}}};addEvent(that,"keydown",that.keydownHandler);that.keyupHandler=function(e){var key=window.event?e.keyCode:e.which;if(!key||(key<35||key>40)&&key!=13&&key!=27){var val=that.value;if(val.length>=o.minChars){if(val!=that.last_val){that.last_val=val;clearTimeout(that.timer);if(o.cache){if(val in that.cache){suggest(that.cache[val]);return}for(var i=1;i<val.length-o.minChars;i++){var part=val.slice(0,val.length-i);if(part in that.cache&&!that.cache[part].length){suggest([]);return}}}that.timer=setTimeout(function(){o.source(val,suggest)},o.delay)}}else{that.last_val=val;that.sc.style.display="none"}}};addEvent(that,"keyup",that.keyupHandler);that.focusHandler=function(e){that.last_val="\n";that.keyupHandler(e)};if(!o.minChars)addEvent(that,"focus",that.focusHandler)}this.destroy=function(){for(var i=0;i<elems.length;i++){var that=elems[i];removeEvent(window,"resize",that.updateSC);removeEvent(that,"blur",that.blurHandler);removeEvent(that,"focus",that.focusHandler);removeEvent(that,"keydown",that.keydownHandler);removeEvent(that,"keyup",that.keyupHandler);if(that.autocompleteAttr)that.setAttribute("autocomplete",that.autocompleteAttr);else that.removeAttribute("autocomplete");document.body.removeChild(that.sc);that=null}}}return autoComplete}();(function(){if(typeof define==="function"&&define.amd)define("autoComplete",function(){return autoComplete});else if(typeof module!=="undefined"&&module.exports)module.exports=autoComplete;else window.autoComplete=autoComplete})();