/**
*  Ajax Autocomplete for jQuery, version 1.1.3
*  (c) 2010 Tomas Kirda
*
*  Ajax Autocomplete for jQuery is freely distributable under the terms of an MIT-style license.
*  For details, see the web site: http://www.devbridge.com/projects/autocomplete/jquery/
*
*  Last Review: 04/19/2010
*  Heavily modified for contact completion in Friendica (add photos, hover tips. etc.) 11-May-2012 mike@macgirvin.com
*//*jslint onevar: true, evil: true, nomen: true, eqeqeq: true, bitwise: true, regexp: true, newcap: true, immed: true *//*global window: true, document: true, clearInterval: true, setInterval: true, jQuery: true */(function($){function fnFormatResult(value,data,currentValue){var pattern="("+currentValue.replace(reEscape,"\\$1")+")";return value.replace(new RegExp(pattern,"gi"),"<strong>$1</strong>")}function Autocomplete(el,options){this.el=$(el),this.el.attr("autocomplete","off"),this.suggestions=[],this.data=[],this.badQueries=[],this.selectedIndex=-1,this.currentValue=this.el.val(),this.intervalId=0,this.cachedResponse=[],this.onChangeInterval=null,this.ignoreValueChange=!1,this.serviceUrl=options.serviceUrl,this.isLocal=!1,this.options={autoSubmit:!1,minChars:1,maxHeight:300,deferRequestBy:0,width:0,highlight:!0,params:{},fnFormatResult:fnFormatResult,delimiter:null,zIndex:9999},this.initialize(),this.setOptions(options)}var reEscape=new RegExp("(\\"+["/",".","*","+","?","|","(",")","[","]","{","}","\\"].join("|\\")+")","g");$.fn.autocomplete=function(options){return new Autocomplete(this.get(0)||$("<input />"),options)},Autocomplete.prototype={killerFn:null,initialize:function(){var me,uid,autocompleteElId;me=this,uid=Math.floor(Math.random()*1048576).toString(16),autocompleteElId="Autocomplete_"+uid,this.killerFn=function(e){$(e.target).parents(".autocomplete").size()===0&&(me.killSuggestions(),me.disableKillerFn())},this.options.width||(this.options.width=this.el.width()),this.mainContainerId="AutocompleteContainter_"+uid,$('<div id="'+this.mainContainerId+'" style="position:absolute;z-index:9999;"><div class="autocomplete-w1"><div class="autocomplete" id="'+autocompleteElId+'" style="display:none; width:300px;"></div></div></div>').appendTo("body"),this.container=$("#"+autocompleteElId),this.fixPosition(),window.opera?this.el.keypress(function(e){me.onKeyPress(e)}):this.el.keydown(function(e){me.onKeyPress(e)}),this.el.keyup(function(e){me.onKeyUp(e)}),this.el.blur(function(){me.enableKillerFn()}),this.el.focus(function(){me.fixPosition()})},setOptions:function(options){var o=this.options;$.extend(o,options),o.lookup&&(this.isLocal=!0,$.isArray(o.lookup)&&(o.lookup={suggestions:o.lookup,data:[]})),$("#"+this.mainContainerId).css({zIndex:o.zIndex}),this.container.css({maxHeight:o.maxHeight+"px",width:o.width})},clearCache:function(){this.cachedResponse=[],this.badQueries=[]},disable:function(){this.disabled=!0},enable:function(){this.disabled=!1},fixPosition:function(){var offset=this.el.offset();$("#"+this.mainContainerId).css({top:offset.top+this.el.innerHeight()+"px",left:offset.left+"px"})},enableKillerFn:function(){var me=this;$(document).bind("click",me.killerFn)},disableKillerFn:function(){var me=this;$(document).unbind("click",me.killerFn)},killSuggestions:function(){var me=this;this.stopKillSuggestions(),this.intervalId=window.setInterval(function(){me.hide(),me.stopKillSuggestions()},300)},stopKillSuggestions:function(){window.clearInterval(this.intervalId)},onKeyPress:function(e){if(this.disabled||!this.enabled)return;switch(e.keyCode){case 27:this.el.val(this.currentValue),this.hide();break;case 9:case 13:if(this.selectedIndex===-1){this.hide();return}this.select(this.selectedIndex);if(e.keyCode===9)return;break;case 38:this.moveUp();break;case 40:this.moveDown();break;default:return}e.stopImmediatePropagation(),e.preventDefault()},onKeyUp:function(e){if(this.disabled)return;switch(e.keyCode){case 38:case 40:return}clearInterval(this.onChangeInterval);if(this.currentValue!==this.el.val())if(this.options.deferRequestBy>0){var me=this;this.onChangeInterval=setInterval(function(){me.onValueChange()},this.options.deferRequestBy)}else this.onValueChange()},onValueChange:function(){clearInterval(this.onChangeInterval),this.currentValue=this.el.val();var q=this.getQuery(this.currentValue);this.selectedIndex=-1;if(this.ignoreValueChange){this.ignoreValueChange=!1;return}q===""||q.length<this.options.minChars?this.hide():this.getSuggestions(q)},getQuery:function(val){var d,arr;return d=this.options.delimiter,d?(arr=val.split(d),$.trim(arr[arr.length-1])):$.trim(val)},getSuggestionsLocal:function(q){var ret,arr,len,val,i;arr=this.options.lookup,len=arr.suggestions.length,ret={suggestions:[],data:[]},q=q.toLowerCase();for(i=0;i<len;i++)val=arr.suggestions[i],val.toLowerCase().indexOf(q)===0&&(ret.suggestions.push(val),ret.data.push(arr.data[i]));return ret},getSuggestions:function(q){var cr,me;cr=this.isLocal?this.getSuggestionsLocal(q):this.cachedResponse[q],cr&&$.isArray(cr.suggestions)?(this.suggestions=cr.suggestions,this.data=cr.data,this.suggest()):this.isBadQuery(q)||(me=this,me.options.params.query=q,$.get(this.serviceUrl,me.options.params,function(txt){me.processResponse(txt)},"text"))},isBadQuery:function(q){var i=this.badQueries.length;while(i--)if(q.indexOf(this.badQueries[i])===0)return!0;return!1},hide:function(){this.enabled=!1,this.selectedIndex=-1,this.container.hide()},suggest:function(){if(this.suggestions.length===0){this.hide();return}var me,len,div,f,v,i,s,mOver,mClick,l,img;me=this,len=this.suggestions.length,f=this.options.fnFormatResult,v=this.getQuery(this.currentValue),mOver=function(xi){return function(){me.activate(xi)}},mClick=function(xi){return function(){me.select(xi)}},this.container.hide().empty();for(i=0;i<len;i++)s=this.suggestions[i],l=this.links[i],img='<img height="24" width="24" src="'+this.photos[i]+'" alt="'+s+'" />&nbsp;',div=$((me.selectedIndex===i?'<div class="selected"':"<div")+' title="'+l+'">'+img+f(s,this.data[i],v)+"</div>"),div.mouseover(mOver(i)),div.click(mClick(i)),this.container.append(div);this.enabled=!0,this.container.show()},processResponse:function(text){var response;try{response=eval("("+text+")")}catch(err){return}$.isArray(response.data)||(response.data=[]),this.options.noCache||(this.cachedResponse[response.query]=response,response.suggestions.length===0&&this.badQueries.push(response.query)),response.query===this.getQuery(this.currentValue)&&(this.photos=response.photos,this.links=response.links,this.suggestions=response.suggestions,this.data=response.data,this.suggest())},activate:function(index){var divs,activeItem;return divs=this.container.children(),this.selectedIndex!==-1&&divs.length>this.selectedIndex&&$(divs.get(this.selectedIndex)).removeClass(),this.selectedIndex=index,this.selectedIndex!==-1&&divs.length>this.selectedIndex&&(activeItem=divs.get(this.selectedIndex),$(activeItem).addClass("selected")),activeItem},deactivate:function(div,index){div.className="",this.selectedIndex===index&&(this.selectedIndex=-1)},select:function(i){var selectedValue,f;selectedValue=this.suggestions[i],selectedValue&&(this.el.val(selectedValue),this.options.autoSubmit&&(f=this.el.parents("form"),f.length>0&&f.get(0).submit()),this.ignoreValueChange=!0,this.hide(),this.onSelect(i))},moveUp:function(){if(this.selectedIndex===-1)return;if(this.selectedIndex===0){this.container.children().get(0).className="",this.selectedIndex=-1,this.el.val(this.currentValue);return}this.adjustScroll(this.selectedIndex-1)},moveDown:function(){if(this.selectedIndex===this.suggestions.length-1)return;this.adjustScroll(this.selectedIndex+1)},adjustScroll:function(i){var activeItem,offsetTop,upperBound,lowerBound;activeItem=this.activate(i),offsetTop=activeItem.offsetTop,upperBound=this.container.scrollTop(),lowerBound=upperBound+this.options.maxHeight-25,offsetTop<upperBound?this.container.scrollTop(offsetTop):offsetTop>lowerBound&&this.container.scrollTop(offsetTop-this.options.maxHeight+25),this.el.val(this.getValue(this.suggestions[i]))},onSelect:function(i){var me,fn,s,d;me=this,fn=me.options.onSelect,s=me.suggestions[i],d=me.data[i],me.el.val(me.getValue(s)),$.isFunction(fn)&&fn(s,d,me.el)},getValue:function(value){var del,currVal,arr,me;return me=this,del=me.options.delimiter,del?(currVal=me.currentValue,arr=currVal.split(del),arr.length===1?value:currVal.substr(0,currVal.length-arr[arr.length-1].length)+value):value}}})(jQuery);