/*
Copyright (c) 2010, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.com/yui/license.html
version: 3.3.0
build: 3167
*/
YUI.add("autocomplete-base",function(f){var g=f.Escape,j=f.Lang,q=f.Array,i=f.Object,d=j.isFunction,r=j.isString,u=j.trim,l=f.Attribute.INVALID_VALUE,o="_functionValidator",x="_sourceSuccess",c="allowBrowserAutocomplete",h="inputNode",w="query",e="queryDelimiter",b="requestTemplate",m="results",n="resultListLocator",k="value",s="valueChange",a="clear",t=w,p=m;function v(){f.before(this._bindUIACBase,this,"bindUI");f.before(this._destructorACBase,this,"destructor");f.before(this._syncUIACBase,this,"syncUI");this.publish(a,{defaultFn:this._defClearFn});this.publish(t,{defaultFn:this._defQueryFn});this.publish(p,{defaultFn:this._defResultsFn});}v.ATTRS={allowBrowserAutocomplete:{value:false},allowTrailingDelimiter:{value:false},inputNode:{setter:f.one,writeOnce:"initOnly"},maxResults:{value:0},minQueryLength:{value:1},query:{readOnly:true,value:null},queryDelay:{value:100},queryDelimiter:{value:null},requestTemplate:{setter:"_setRequestTemplate",value:null},resultFilters:{setter:"_setResultFilters",value:[]},resultFormatter:{validator:o},resultHighlighter:{setter:"_setResultHighlighter"},resultListLocator:{setter:"_setLocator"},results:{readOnly:true,value:[]},resultTextLocator:{setter:"_setLocator"},source:{setter:"_setSource"},tokenInput:{readOnly:true},value:{value:""}};v.CSS_PREFIX="ac";v.UI_SRC=(f.Widget&&f.Widget.UI_SRC)||"ui";v.prototype={sendRequest:function(A,B){var y,z=this.get("source");if(A||A===""){this._set(w,A);}else{A=this.get(w);}if(z){if(!B){B=this.get(b);}y=B?B(A):A;z.sendRequest({request:y,callback:{success:f.bind(this._onResponse,this,A)}});}return this;},_bindUIACBase:function(){var z=this.get(h),y=z&&z.tokenInput;if(y){z=y.get(h);this._set("tokenInput",y);}if(!z){f.error("No inputNode specified.");return;}this._inputNode=z;this._acBaseEvents=[z.on(s,this._onInputValueChange,this),z.on("blur",this._onInputBlur,this),this.after(c+"Change",this._syncBrowserAutocomplete),this.after(s,this._afterValueChange)];},_destructorACBase:function(){var y=this._acBaseEvents;while(y&&y.length){y.pop().detach();}},_syncUIACBase:function(){this._syncBrowserAutocomplete();this.set(k,this.get(h).get(k));},_createArraySource:function(z){var y=this;return{sendRequest:function(A){y[x](z.concat(),A);}};},_createFunctionSource:function(z){var y=this;return{sendRequest:function(A){y[x](z(A.request)||[],A);}};},_createObjectSource:function(z){var y=this;return{sendRequest:function(A){var B=A.request;y[x](i.owns(z,B)?z[B]:[],A);}};},_functionValidator:function(y){return y===null||d(y);},_getObjectValue:function(B,A){if(!B){return;}for(var z=0,y=A.length;B&&z<y;z++){B=B[A[z]];}return B;},_parseResponse:function(A,y,P){var G={data:P,query:A,results:[]},I=this.get(n),H=[],F=y&&y.results,C,z,J,B,O,K,L,M,D,E,N;if(F&&I){F=I(F);}if(F&&F.length){C=this.get("resultFilters");N=this.get("resultTextLocator");for(K=0,L=F.length;K<L;++K){D=F[K];E=N?N(D):D.toString();H.push({display:g.html(E),raw:D,text:E});}for(K=0,L=C.length;K<L;++K){H=C[K](A,H.concat());if(!H){return;}if(!H.length){break;}}if(H.length){J=this.get("resultFormatter");O=this.get("resultHighlighter");M=this.get("maxResults");if(M&&M>0&&H.length>M){H.length=M;}if(O){B=O(A,H.concat());if(!B){return;}for(K=0,L=B.length;K<L;++K){D=H[K];D.highlighted=B[K];D.display=D.highlighted;}}if(J){z=J(A,H.concat());if(!z){return;}for(K=0,L=z.length;K<L;++K){H[K].display=z[K];}}}}G.results=H;this.fire(p,G);},_parseValue:function(y){var z=this.get(e);if(z){y=y.split(z);y=y[y.length-1];}return j.trimLeft(y);},_setLocator:function(y){if(this[o](y)){return y;}var z=this;y=y.toString().split(".");return function(A){return A&&z._getObjectValue(A,y);};},_setRequestTemplate:function(y){if(this[o](y)){return y;}y=y.toString();return function(z){return j.sub(y,{query:encodeURIComponent(z)});};},_setResultFilters:function(A){var y,z;if(A===null){return[];}y=f.AutoCompleteFilters;z=function(B){if(d(B)){return B;}if(r(B)&&y&&d(y[B])){return y[B];}return false;};if(j.isArray(A)){A=q.map(A,z);return q.every(A,function(B){return !!B;})?A:l;}else{A=z(A);return A?[A]:l;}},_setResultHighlighter:function(y){var z;if(this._functionValidator(y)){return y;}z=f.AutoCompleteHighlighters;if(r(y)&&z&&d(z[y])){return z[y];}return l;},_setSource:function(z){var y="autocomplete-sources module not loaded";if((z&&d(z.sendRequest))||z===null){return z;}switch(j.type(z)){case"string":if(this._createStringSource){return this._createStringSource(z);}f.error(y);return l;case"array":return this._createArraySource(z);case"function":return this._createFunctionSource(z);case"object":if(f.JSONPRequest&&z instanceof f.JSONPRequest){if(this._createJSONPSource){return this._createJSONPSource(z);}f.error(y);return l;}return this._createObjectSource(z);}return l;},_sourceSuccess:function(z,y){y.callback.success({data:z,response:{results:z}});},_syncBrowserAutocomplete:function(){var y=this.get(h);if(y.get("nodeName").toLowerCase()==="input"){y.setAttribute("autocomplete",this.get(c)?"on":"off");}},_updateValue:function(z){var B=this.get(e),A,y,C;z=j.trimLeft(z);if(B){A=u(B);C=q.map(u(this.get(k)).split(B),u);y=C.length;if(y>1){C[y-1]=z;z=C.join(A+" ");}z=z+A+" ";}this.set(k,z);},_afterValueChange:function(E){var A,B,y,z=E.newVal,D,C;if(E.src!==v.UI_SRC){this._inputNode.set(k,z);return;}y=this.get("minQueryLength");D=this._parseValue(z)||"";if(y>=0&&D.length>=y){A=this.get("queryDelay");C=this;B=function(){C.fire(t,{inputValue:z,query:D});};if(A){clearTimeout(this._delay);this._delay=setTimeout(B,A);}else{B();}}else{clearTimeout(this._delay);this.fire(a,{prevVal:E.prevVal?this._parseValue(E.prevVal):null});}},_onInputBlur:function(B){var C=this.get(e),y,z,A;if(C&&!this.get("allowTrailingDelimiter")){C=j.trimRight(C);A=z=this._inputNode.get(k);if(C){while((z=j.trimRight(z))&&(y=z.length-C.length)&&z.lastIndexOf(C)===y){z=z.substring(0,y);}}else{z=j.trimRight(z);}if(z!==A){this.set(k,z);}}},_onInputValueChange:function(z){var y=z.newVal;if(y===this.get(k)){return;}this.set(k,y,{src:v.UI_SRC});},_onResponse:function(y,z){if(y===this.get(w)){this._parseResponse(y,z.response,z.data);
}},_defClearFn:function(){this._set(w,null);this._set(m,[]);},_defQueryFn:function(z){var y=z.query;this.sendRequest(y);},_defResultsFn:function(y){this._set(m,y[m]);}};f.AutoCompleteBase=v;},"3.3.0",{optional:["autocomplete-sources"],requires:["array-extras","base-build","escape","event-valuechange","node-base"]});