searxng/searx/static/js/mootools-autocompleter-1.1.2-min.js

/*https://github.com/angelsk/mootools-autocompleter*/
var Autocompleter=new Class({Implements:[Options,Events],options:{minLength:1,markQuery:true,width:"inherit",maxChoices:10,injectChoice:null,customChoices:null,emptyChoices:null,visibleChoices:true,className:"autocompleter-choices",zIndex:42,delay:400,observerOptions:{},fxOptions:{},autoSubmit:false,overflow:false,overflowMargin:25,selectFirst:false,filter:null,filterCase:false,filterSubset:false,forceSelect:false,selectMode:true,choicesMatch:null,multiple:false,separator:", ",separatorSplit:/\s*[,;]\s*/,autoTrim:false,allowDupes:false,cache:true,relative:false},initialize:function(b,a){this.element=$(b);this.setOptions(a);this.build();this.observer=new Observer(this.element,this.prefetch.bind(this),Object.merge({delay:this.options.delay},this.options.observerOptions));this.queryValue=null;if(this.options.filter){this.filter=this.options.filter.bind(this)}var c=this.options.selectMode;this.typeAhead=(c=="type-ahead");this.selectMode=(c===true)?"selection":c;this.cached=[]},build:function(){if($(this.options.customChoices)){this.choices=this.options.customChoices}else{this.choices=new Element("ul",{"class":this.options.className,styles:{zIndex:this.options.zIndex}}).inject(document.body);this.relative=false;if(this.options.relative){this.choices.inject(this.element,"after");this.relative=this.element.getOffsetParent()}this.fix=new OverlayFix(this.choices)}if(!this.options.separator.test(this.options.separatorSplit)){this.options.separatorSplit=this.options.separator}this.fx=(!this.options.fxOptions)?null:new Fx.Tween(this.choices,Object.merge({property:"opacity",link:"cancel",duration:200},this.options.fxOptions)).addEvent("onStart",Chain.prototype.clearChain).set(0);this.element.setProperty("autocomplete","off").addEvent((Browser.ie||Browser.safari||Browser.chrome)?"keydown":"keypress",this.onCommand.bind(this)).addEvent("click",this.onCommand.bind(this,false)).addEvent("focus",this.toggleFocus.bind(this,true)).addEvent("blur",this.toggleFocus.bind(this,false))},destroy:function(){if(this.fix){this.fix.destroy()}this.choices=this.selected=this.choices.destroy()},toggleFocus:function(a){this.focussed=a;if(!a){this.hideChoices(true)}this.fireEvent((a)?"onFocus":"onBlur",[this.element])},onCommand:function(b){if(!b&&this.focussed){return this.prefetch()}if(b&&b.key&&!b.shift){switch(b.key){case"enter":if(this.element.value!=this.opted){return true}if(this.selected&&this.visible){this.choiceSelect(this.selected);return !!(this.options.autoSubmit)}break;case"up":case"down":if(!this.prefetch()&&this.queryValue!==null){var a=(b.key=="up");this.choiceOver((this.selected||this.choices)[(this.selected)?((a)?"getPrevious":"getNext"):((a)?"getLast":"getFirst")](this.options.choicesMatch),true)}return false;case"esc":case"tab":this.hideChoices(true);break}}return true},setSelection:function(f){var g=this.selected.inputValue,h=g;var a=this.queryValue.length,c=g.length;if(g.substr(0,a).toLowerCase()!=this.queryValue.toLowerCase()){a=0}if(this.options.multiple){var e=this.options.separatorSplit;h=this.element.value;a+=this.queryIndex;c+=this.queryIndex;var b=h.substr(this.queryIndex).split(e,1)[0];h=h.substr(0,this.queryIndex)+g+h.substr(this.queryIndex+b.length);if(f){var d=h.split(this.options.separatorSplit).filter(function(j){return this.test(j)},/[^\s,]+/);if(!this.options.allowDupes){d=[].combine(d)}var i=this.options.separator;h=d.join(i)+i;c=h.length}}this.observer.setValue(h);this.opted=h;if(f||this.selectMode=="pick"){a=c}this.element.selectRange(a,c);this.fireEvent("onSelection",[this.element,this.selected,h,g])},showChoices:function(){var c=this.options.choicesMatch,b=this.choices.getFirst(c);this.selected=this.selectedValue=null;if(this.fix){var e=this.element.getCoordinates(this.relative),a=this.options.width||"auto";this.choices.setStyles({left:e.left,top:e.bottom,width:(a===true||a=="inherit")?e.width:a})}if(!b){return}if(!this.visible){this.visible=true;this.choices.setStyle("display","");if(this.fx){this.fx.start(1)}this.fireEvent("onShow",[this.element,this.choices])}if(this.options.selectFirst||this.typeAhead||b.inp