autocomplete.js

SugarCRM5.1 开源PHP客户关系管理系统

this._sName="instance"+YAHOO.widget.DataSource._nIndex;YAHOO.widget.DataSource._nIndex++;this.queryEvent=new YAHOO.util.CustomEvent("query",this);this.cacheQueryEvent=new YAHOO.util.CustomEvent("cacheQuery",this);this.getResultsEvent=new YAHOO.util.CustomEvent("getResults",this);this.getCachedResultsEvent=new YAHOO.util.CustomEvent("getCachedResults",this);this.dataErrorEvent=new YAHOO.util.CustomEvent("dataError",this);this.cacheFlushEvent=new YAHOO.util.CustomEvent("cacheFlush",this);};YAHOO.widget.DataSource.prototype._addCacheElem=function(oResult){var aCache=this._aCache;if(!aCache||!oResult||!oResult.query||!oResult.results){return;}
if(aCache.length>=this.maxCacheEntries){aCache.shift();}
aCache.push(oResult);};YAHOO.widget.DataSource.prototype._doQueryCache=function(oCallbackFn,sQuery,oParent){var aResults=[];var bMatchFound=false;var aCache=this._aCache;var nCacheLength=(aCache)?aCache.length:0;var bMatchContains=this.queryMatchContains;if((this.maxCacheEntries>0)&&aCache&&(nCacheLength>0)){this.cacheQueryEvent.fire(this,oParent,sQuery);if(!this.queryMatchCase){var sOrigQuery=sQuery;sQuery=sQuery.toLowerCase();}
for(var i=nCacheLength-1;i>=0;i--){var resultObj=aCache[i];var aAllResultItems=resultObj.results;var matchKey=(!this.queryMatchCase)?encodeURIComponent(resultObj.query).toLowerCase():encodeURIComponent(resultObj.query);if(matchKey==sQuery){bMatchFound=true;aResults=aAllResultItems;if(i!=nCacheLength-1){aCache.splice(i,1);this._addCacheElem(resultObj);}
break;}
else if(this.queryMatchSubset){for(var j=sQuery.length-1;j>=0;j--){var subQuery=sQuery.substr(0,j);if(matchKey==subQuery){bMatchFound=true;for(var k=aAllResultItems.length-1;k>=0;k--){var aRecord=aAllResultItems[k];var sKeyIndex=(this.queryMatchCase)?encodeURIComponent(aRecord[0]).indexOf(sQuery):encodeURIComponent(aRecord[0]).toLowerCase().indexOf(sQuery);if((!bMatchContains&&(sKeyIndex===0))||(bMatchContains&&(sKeyIndex>-1))){aResults.unshift(aRecord);}}
resultObj={};resultObj.query=sQuery;resultObj.results=aResults;this._addCacheElem(resultObj);break;}}
if(bMatchFound){break;}}}
if(bMatchFound){this.getCachedResultsEvent.fire(this,oParent,sOrigQuery,aResults);oCallbackFn(sOrigQuery,aResults,oParent);}}
return aResults;};YAHOO.widget.DS_XHR=function(sScriptURI,aSchema,oConfigs){if(oConfigs&&(oConfigs.constructor==Object)){for(var sConfig in oConfigs){this[sConfig]=oConfigs[sConfig];}}
if(!YAHOO.lang.isArray(aSchema)||!YAHOO.lang.isString(sScriptURI)){return;}
this.schema=aSchema;this.scriptURI=sScriptURI;this._init();};YAHOO.widget.DS_XHR.prototype=new YAHOO.widget.DataSource();YAHOO.widget.DS_XHR.TYPE_JSON=0;YAHOO.widget.DS_XHR.TYPE_XML=1;YAHOO.widget.DS_XHR.TYPE_FLAT=2;YAHOO.widget.DS_XHR.ERROR_DATAXHR="XHR response failed";YAHOO.widget.DS_XHR.prototype.connMgr=YAHOO.util.Connect;YAHOO.widget.DS_XHR.prototype.connTimeout=0;YAHOO.widget.DS_XHR.prototype.scriptURI=null;YAHOO.widget.DS_XHR.prototype.scriptQueryParam="query";YAHOO.widget.DS_XHR.prototype.scriptQueryAppend="";YAHOO.widget.DS_XHR.prototype.responseType=YAHOO.widget.DS_XHR.TYPE_JSON;YAHOO.widget.DS_XHR.prototype.responseStripAfter="\n<!-";YAHOO.widget.DS_XHR.prototype.doQuery=function(oCallbackFn,sQuery,oParent){var isXML=(this.responseType==YAHOO.widget.DS_XHR.TYPE_XML);var sUri=this.scriptURI+"?"+this.scriptQueryParam+"="+sQuery;if(this.scriptQueryAppend.length>0){sUri+="&"+this.scriptQueryAppend;}
var oResponse=null;var oSelf=this;var responseSuccess=function(oResp){if(!oSelf._oConn||(oResp.tId!=oSelf._oConn.tId)){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,YAHOO.widget.DataSource.ERROR_DATANULL);return;}
for(var foo in oResp){}
if(!isXML){oResp=oResp.responseText;}
else{oResp=oResp.responseXML;}
if(oResp===null){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,YAHOO.widget.DataSource.ERROR_DATANULL);return;}
var aResults=oSelf.parseResponse(sQuery,oResp,oParent);var resultObj={};resultObj.query=decodeURIComponent(sQuery);resultObj.results=aResults;if(aResults===null){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,YAHOO.widget.DataSource.ERROR_DATAPARSE);aResults=[];}
else{oSelf.getResultsEvent.fire(oSelf,oParent,sQuery,aResults);oSelf._addCacheElem(resultObj);}
oCallbackFn(sQuery,aResults,oParent);};var responseFailure=function(oResp){oSelf.dataErrorEvent.fire(oSelf,oParent,sQuery,YAHOO.widget.DS_XHR.ERROR_DATAXHR);return;};var oCallback={success:responseSuccess,failure:responseFailure};if(YAHOO.lang.isNumber(this.connTimeout)&&(this.connTimeout>0)){oCallback.timeout=this.connTimeout;}
if(this._oConn){this.connMgr.abort(this._oConn);}
oSelf._oConn=this.connMgr.asyncRequest("GET",sUri,oCallback,null);};YAHOO.widget.DS_XHR.prototype.parseResponse=function(sQuery,oResponse,oParent){var aSchema=this.schema;var aResults=[];var bError=false;var nEnd=((this.responseStripAfter!=="")&&(oResponse.indexOf))?oResponse.indexOf(this.responseStripAfter):-1;if(nEnd!=-1){oResponse=oResponse.substring(0,nEnd);}
switch(this.responseType){case YAHOO.widget.DS_XHR.TYPE_JSON:var jsonList;if(window.JSON&&(navigator.userAgent.toLowerCase().indexOf('khtml')==-1)){var jsonObjParsed=JSON.parse(oResponse);if(!jsonObjParsed){bError=true;break;}
else{try{jsonList=eval("jsonObjParsed."+aSchema[0]);}
catch(e){bError=true;break;}}}
else{try{while(oResponse.substring(0,1)==" "){oResponse=oResponse.substring(1,oResponse.length);}
if(oResponse.indexOf("{")<0){bError=true;break;}
if(oResponse.indexOf("{}")===0){break;}
var jsonObjRaw=eval("("+oResponse+")");if(!jsonObjRaw){bError=true;break;}
jsonList=eval("(jsonObjRaw."+aSchema[0]+")");}
catch(e){bError=true;break;}}
if(!jsonList){bError=true;break;}
if(!YAHOO.lang.isArray(jsonList)){jsonList=[jsonList];}
for(var i=jsonList.length-1;i>=0;i--){var aResultItem=[];var jsonResult=jsonList[i];for(var j=aSchema.length-1;j>=1;j--){var dataFieldValue=jsonResult[aSchema[j]];if(!dataFieldValue){dataFieldValue="";}
aResultItem.unshift(dataFieldValue);}
if(aResultItem.length==1){aResultItem.push(jsonResult);}
aResults.unshift(aResultItem);}
break;case YAHOO.widget.DS_XHR.TYPE_XML:var xmlList=oResponse.getElementsByTagName(aSchema[0]);if(!xmlList){bError=true;break;}
for(var k=xmlList.length-1;k>=0;k--){var result=xmlList.item(k);var aFieldSet=[];for(var m=aSchema.length-1;m>=1;m--){var sValue=null;var xmlAttr=result.attributes.getNamedItem(aSchema[m]);if(xmlAttr){sValue=xmlAttr.value;}
else{var xmlNode=result.getElementsByTagName(aSchema[m]);if(xmlNode&&xmlNode.item(0)&&xmlNode.item(0).firstChild){sValue=xmlNode.item(0).firstChild.nodeValue;}
else{sValue="";}}
aFieldSet.unshift(sValue);}
aResults.unshift(aFieldSet);}
break;case YAHOO.widget.DS_XHR.TYPE_FLAT:if(oResponse.length>0){var newLength=oResponse.length-aSchema[0].length;if(oResponse.substr(newLength)==aSchema[0]){oResponse=oResponse.substr(0,newLength);}
var aRecords=oResponse.split(aSchema[0]);for(var n=aRecords.length-1;n>=0;n--){aResults[n]=aRecords[n].split(aSchema[1]);}}
break;default:break;}
sQuery=null;oResponse=null;oParent=null;if(bError){return null;}
else{return aResults;}};YAHOO.widget.DS_XHR.prototype._oConn=null;YAHOO.widget.DS_JSFunction=function(oFunction,oConfigs){if(oConfigs&&(oConfigs.constructor==Object)){for(var sConfig in oConfigs){this[sConfig]=oConfigs[sConfig];}}
if(!YAHOO.lang.isFunction(oFunction)){return;}
else{this.dataFunction=oFunction;this._init();}};YAHOO.widget.DS_JSFunction.prototype=new YAHOO.widget.DataSource();YAHOO.widget.DS_JSFunction.prototype.dataFunction=null;YAHOO.widget.DS_JSFunction.prototype.doQuery=function(oCallbackFn,sQuery,oParent){var oFunction=this.dataFunction;var aResults=[];aResults=oFunction(sQuery);if(aResults===null){this.dataErrorEvent.fire(this,oParent,sQuery,YAHOO.widget.DataSource.ERROR_DATANULL);return;}
var resultObj={};resultObj.query=decodeURIComponent(sQuery);resultObj.results=aResults;this._addCacheElem(resultObj);this.getResultsEvent.fire(this,oParent,sQuery,aResults);oCallbackFn(sQuery,aResults,oParent);return;};YAHOO.widget.DS_JSArray=function(aData,oConfigs){if(oConfigs&&(oConfigs.constructor==Object)){for(var sConfig in oConfigs){this[sConfig]=oConfigs[sConfig];}}
if(!YAHOO.lang.isArray(aData)){return;}
else{this.data=aData;this._init();}};YAHOO.widget.DS_JSArray.prototype=new YAHOO.widget.DataSource();YAHOO.widget.DS_JSArray.prototype.data=null;YAHOO.widget.DS_JSArray.prototype.doQuery=function(oCallbackFn,sQuery,oParent){var i;var aData=this.data;var aResults=[];var bMatchFound=false;var bMatchContains=this.queryMatchContains;if(sQuery){if(!this.queryMatchCase){sQuery=sQuery.toLowerCase();}
for(i=aData.length-1;i>=0;i--){var aDataset=[];if(YAHOO.lang.isString(aData[i])){aDataset[0]=aData[i];}
else if(YAHOO.lang.isArray(aData[i])){aDataset=aData[i];}
if(YAHOO.lang.isString(aDataset[0])){var sKeyIndex=(this.queryMatchCase)?encodeURIComponent(aDataset[0]).indexOf(sQuery):encodeURIComponent(aDataset[0]).toLowerCase().indexOf(sQuery);if((!bMatchContains&&(sKeyIndex===0))||(bMatchContains&&(sKeyIndex>-1))){aResults.unshift(aDataset);}}}}
else{for(i=aData.length-1;i>=0;i--){if(YAHOO.lang.isString(aData[i])){aResults.unshift([aData[i]]);}
else if(YAHOO.lang.isArray(aData[i])){aResults.unshift(aData[i]);}}}
this.getResultsEvent.fire(this,oParent,sQuery,aResults);oCallbackFn(sQuery,aResults,oParent);};if(YAHOO.register){YAHOO.register("autocomplete",YAHOO.widget.AutoComplete,{version:"2.2.2",build:"204"});}