autocomplete-min.js

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YAHOO.widget.AutoComplete=function(inputEl,containerEl,oDataSource,oConfigs){if(inputEl&&containerEl&&oDataSource){if(oDataSource.getResults){this.dataSource=oDataSource;}
else{return;}
if(YAHOO.util.Dom.inDocument(inputEl)){if(typeof inputEl=="string"){this._sName=inputEl+YAHOO.widget.AutoComplete._nIndex;this._oTextbox=document.getElementById(inputEl);}
else{this._sName=(inputEl.id)?inputEl.id+YAHOO.widget.AutoComplete._nIndex:"yac_inputEl"+YAHOO.widget.AutoComplete._nIndex;this._oTextbox=inputEl;}}
else{return;}
if(YAHOO.util.Dom.inDocument(containerEl)){if(typeof containerEl=="string"){this._oContainer=document.getElementById(containerEl);}
else{this._oContainer=containerEl;}}
else{return;}
if(typeof oConfigs=="object"){for(var sConfig in oConfigs){if(sConfig){this[sConfig]=oConfigs[sConfig];}}}
var oSelf=this;var oTextbox=this._oTextbox;var oContainer=this._oContainer;YAHOO.util.Event.addListener(oTextbox,'keyup',oSelf._onTextboxKeyUp,oSelf);YAHOO.util.Event.addListener(oTextbox,'keydown',oSelf._onTextboxKeyDown,oSelf);YAHOO.util.Event.addListener(oTextbox,'keypress',oSelf._onTextboxKeyPress,oSelf);YAHOO.util.Event.addListener(oTextbox,'focus',oSelf._onTextboxFocus,oSelf);YAHOO.util.Event.addListener(oTextbox,'blur',oSelf._onTextboxBlur,oSelf);YAHOO.util.Event.addListener(oContainer,'mouseover',oSelf._onContainerMouseover,oSelf);YAHOO.util.Event.addListener(oContainer,'mouseout',oSelf._onContainerMouseout,oSelf);YAHOO.util.Event.addListener(oContainer,'scroll',oSelf._onContainerScroll,oSelf);if(oTextbox.form&&this.allowBrowserAutocomplete){YAHOO.util.Event.addListener(oTextbox.form,'submit',oSelf._onFormSubmit,oSelf);}
this.textboxFocusEvent=new YAHOO.util.CustomEvent("textboxFocus",this);this.textboxKeyEvent=new YAHOO.util.CustomEvent("textboxKey",this);this.dataRequestEvent=new YAHOO.util.CustomEvent("dataRequest",this);this.dataReturnEvent=new YAHOO.util.CustomEvent("dataReturn",this);this.dataErrorEvent=new YAHOO.util.CustomEvent("dataError",this);this.containerExpandEvent=new YAHOO.util.CustomEvent("containerExpand",this);this.typeAheadEvent=new YAHOO.util.CustomEvent("typeAhead",this);this.itemMouseOverEvent=new YAHOO.util.CustomEvent("itemMouseOver",this);this.itemMouseOutEvent=new YAHOO.util.CustomEvent("itemMouseOut",this);this.itemArrowToEvent=new YAHOO.util.CustomEvent("itemArrowTo",this);this.itemArrowFromEvent=new YAHOO.util.CustomEvent("itemArrowFrom",this);this.itemSelectEvent=new YAHOO.util.CustomEvent("itemSelect",this);this.selectionEnforceEvent=new YAHOO.util.CustomEvent("selectionEnforce",this);this.containerCollapseEvent=new YAHOO.util.CustomEvent("containerCollapse",this);this.textboxBlurEvent=new YAHOO.util.CustomEvent("textboxBlur",this);oTextbox.setAttribute("autocomplete","off");this._initProps();}
else{}};YAHOO.widget.AutoComplete.prototype.dataSource=null;YAHOO.widget.AutoComplete.prototype.minQueryLength=1;YAHOO.widget.AutoComplete.prototype.maxResultsDisplayed=10;YAHOO.widget.AutoComplete.prototype.queryDelay=0.5;YAHOO.widget.AutoComplete.prototype.highlightClassName="highlight";YAHOO.widget.AutoComplete.prototype.delimChar=null;YAHOO.widget.AutoComplete.prototype.typeAhead=false;YAHOO.widget.AutoComplete.prototype.animHoriz=false;YAHOO.widget.AutoComplete.prototype.animVert=true;YAHOO.widget.AutoComplete.prototype.animSpeed=0.3;YAHOO.widget.AutoComplete.prototype.forceSelection=false;YAHOO.widget.AutoComplete.prototype.allowBrowserAutocomplete=true;YAHOO.widget.AutoComplete.prototype.getName=function(){return this._sName;};YAHOO.widget.AutoComplete.prototype.getListIds=function(){return this._aListIds;};YAHOO.widget.AutoComplete.prototype.setHeader=function(sHeader){if(sHeader){this._oHeader.innerHTML=sHeader;this._oHeader.style.display="block";}};YAHOO.widget.AutoComplete.prototype.setFooter=function(sFooter){if(sFooter){this._oFooter.innerHTML=sFooter;this._oFooter.style.display="block";}};YAHOO.widget.AutoComplete.prototype.useIFrame=false;YAHOO.widget.AutoComplete.prototype.formatResult=function(oResultItem,sQuery){var sResult=oResultItem[0];if(sResult){return sResult;}
else{return"";}};YAHOO.widget.AutoComplete.prototype.textboxFocusEvent=null;YAHOO.widget.AutoComplete.prototype.textboxKeyEvent=null;YAHOO.widget.AutoComplete.prototype.dataRequestEvent=null;YAHOO.widget.AutoComplete.prototype.dataReturnEvent=null;YAHOO.widget.AutoComplete.prototype.dataErrorEvent=null;YAHOO.widget.AutoComplete.prototype.containerExpandEvent=null;YAHOO.widget.AutoComplete.prototype.typeAheadEvent=null;YAHOO.widget.AutoComplete.prototype.itemMouseOverEvent=null;YAHOO.widget.AutoComplete.prototype.itemMouseOutEvent=null;YAHOO.widget.AutoComplete.prototype.itemArrowToEvent=null;YAHOO.widget.AutoComplete.prototype.itemArrowFromEvent=null;YAHOO.widget.AutoComplete.prototype.itemSelectEvent=null;YAHOO.widget.AutoComplete.prototype.selectionEnforceEvent=null;YAHOO.widget.AutoComplete.prototype.containerCollapseEvent=null;YAHOO.widget.AutoComplete.prototype.textboxBlurEvent=null;YAHOO.widget.AutoComplete._nIndex=0;YAHOO.widget.AutoComplete.prototype._sName=null;YAHOO.widget.AutoComplete.prototype._oTextbox=null;YAHOO.widget.AutoComplete.prototype._bFocused=true;YAHOO.widget.AutoComplete.prototype._oAnim=null;YAHOO.widget.AutoComplete.prototype._oContainer=null;YAHOO.widget.AutoComplete.prototype._bContainerOpen=false;YAHOO.widget.AutoComplete.prototype._bOverContainer=false;YAHOO.widget.AutoComplete.prototype._oIFrame=null;YAHOO.widget.AutoComplete.prototype._oContent=null;YAHOO.widget.AutoComplete.prototype._oHeader=null;YAHOO.widget.AutoComplete.prototype._oFooter=null;YAHOO.widget.AutoComplete.prototype._aListIds=null;YAHOO.widget.AutoComplete.prototype._nDisplayedItems=0;YAHOO.widget.AutoComplete.prototype._sCurQuery=null;YAHOO.widget.AutoComplete.prototype._sSavedQuery=null;YAHOO.widget.AutoComplete.prototype._oCurItem=null;YAHOO.widget.AutoComplete.prototype._bItemSelected=false;YAHOO.widget.AutoComplete.prototype._nKeyCode=null;YAHOO.widget.AutoComplete.prototype._nDelayID=-1;YAHOO.widget.AutoComplete.prototype._initProps=function(){var minQueryLength=this.minQueryLength;if(isNaN(minQueryLength)||(minQueryLength<1)){minQueryLength=1;}
var maxResultsDisplayed=this.maxResultsDisplayed;if(isNaN(this.maxResultsDisplayed)||(this.maxResultsDisplayed<1)){this.maxResultsDisplayed=10;}
var queryDelay=this.queryDelay;if(isNaN(this.queryDelay)||(this.queryDelay<0)){this.queryDelay=0.5;}
var aDelimChar=(this.delimChar)?this.delimChar:null;if(aDelimChar){if(typeof aDelimChar=="string"){this.delimChar=[aDelimChar];}
else if(aDelimChar.constructor!=Array){this.delimChar=null;}}
var animSpeed=this.animSpeed;if(this.animHoriz||this.animVert){if(isNaN(animSpeed)||(animSpeed<0)){animSpeed=0.3;}
if(!this._oAnim&&YAHOO.util.Anim){this._oAnim=new YAHOO.util.Anim(this._oContainer,{},animSpeed);}
else if(this._oAnim){this._oAnim.duration=animSpeed;}}
if(this.forceSelection&&this.delimChar){}
if(!this._aListIds){this._aListIds=[];}
if(!this._aListIds||(this.maxResultsDisplayed!=this._aListIds.length)){this._initContainer();}};YAHOO.widget.AutoComplete.prototype._initContainer=function(){this._aListIds=[];var aItemsMarkup=[];var sName=this._sName;var sPrefix=sName+"item";var sHeaderID=sName+"header";var sFooterID=sName+"footer";for(var i=this.maxResultsDisplayed-1;i>=0;i--){var sItemID=sPrefix+i;this._aListIds[i]=sItemID;aItemsMarkup.unshift("<li id='"+sItemID+"'></li>\n");}
var sList="<ul id='"+sName+"list'>"+
aItemsMarkup.join("")+"</ul>";var sContent=(this.useIFrame)?["<div id='",sName,"content'>","<div id='",sHeaderID,"' class='ac_hd'></div><div class='ac_bd'>",sList,"</div><div id='",sFooterID,"' class='ac_ft'></div>","</div><iframe id='",sName,"iframe' src='about:blank' frameborder='0' scrolling='no'>","</iframe>"]:["<div id='",sHeaderID,"' class='ac_hd'></div><div class='ac_bd'>",sList,"</div><div id='",sFooterID,"' class='ac_ft'></div>"];sContent=sContent.join("");this._oContainer.innerHTML=sContent;this._oHeader=document.getElementById(sHeaderID);this._oFooter=document.getElementById(sFooterID);if(this.useIFrame){this._oContent=document.getElementById(sName+"content");this._oIFrame=document.getElementById(sName+"iframe");this._oContent.style.position="relative";this._oIFrame.style.position="relative";this._oContent.style.zIndex=9050;}
this._oContainer.style.display="none";this._oHeader.style.display="none";this._oFooter.style.display="none";this._initItems();};YAHOO.widget.AutoComplete.prototype._initItems=function(){for(var i=this.maxResultsDisplayed-1;i>=0;i--){var oItem=document.getElementById(this._aListIds[i]);this._initItem(oItem,i);}};YAHOO.widget.AutoComplete.prototype._initItem=function(oItem,nItemIndex){var oSelf=this;oItem.style.display="none";oItem._nItemIndex=nItemIndex;oItem.mouseover=oItem.mouseout=oItem.onclick=null;YAHOO.util.Event.addListener(oItem,'mouseover',oSelf._onItemMouseover,oSelf);YAHOO.util.Event.addListener(oItem,'mouseout',oSelf._onItemMouseout,oSelf);YAHOO.util.Event.addListener(oItem,'click',oSelf._onItemMouseclick,oSelf);};YAHOO.widget.AutoComplete.prototype._onItemMouseover=function(v,oSelf){oSelf._toggleHighlight(this,'mouseover');oSelf.itemMouseOverEvent.fire(oSelf,this);};YAHOO.widget.AutoComplete.prototype._onItemMouseout=function(v,oSelf){oSelf._toggleHighlight(this,'mouseout');oSelf.itemMouseOutEvent.fire(oSelf,this);};YAHOO.widget.AutoComplete.prototype._onItemMouseclick=function(v,oSelf){oSelf._toggleHighlight(this,'mouseover');oSelf._selectItem(this);};YAHOO.widget.AutoComplete.prototype._onContainerMouseover=function(v,oSelf){oSelf._bOverContainer=true;};YAHOO.widget.AutoComplete.prototype._onContainerMouseout=function(v,oSelf){oSelf._bOverContainer=false;if(oSelf._oCurItem){oSelf._toggleHighlight(oSelf._oCurItem,'mouseover');}};YAHOO.widget.AutoComplete.prototype._onContainerScroll=function(v,oSelf){oSelf._oTextbox.focus();};YAHOO.widget.AutoComplete.prototype._onTextboxKeyDown=function(v,oSelf){var nKeyCode=v.keyCode;switch(nKeyCode){case 9:if(oSelf.delimChar&&(oSelf._nKeyCode!=nKeyCode)){if(oSelf._bContainerOpen){YAHOO.util.Event.stopEvent(v);}}
if(oSelf._oCurItem){oSelf._selectItem(oSelf._oCurItem);}
else{oSelf._clearList();}
break;case 13:if(oSelf._nKeyCode!=nKeyCode){if(oSelf._bContainerOpen){YAHOO.util.Event.stopEvent(v);}}
if(oSelf._oCurItem){oSelf._selectItem(oSelf._oCurItem);}
else{oSelf._clearList();}
break;case 27:oSelf._clearList();return;case 39:oSelf._jumpSelection();break;case 38:YAHOO.util.Event.stopEvent(v);oSelf._moveSelection(nKeyCode);break;case 40:YAHOO.util.Event.stopEvent(v);oSelf._moveSelection(nKeyCode);break;default:break;}};YAHOO.widget.AutoComplete.prototype._onTextboxKeyPress=function(v,oSelf){var nKeyCode=v.keyCode;switch(nKeyCode){case 9:case 13:if(oSelf.delimChar&&(oSelf._nKeyCode!=nKeyCode)){if(oSelf._bContainerOpen){YAHOO.util.Event.stopEvent(v);}}
break;case 38:case 40:YAHOO.util.Event.stopEvent(v);break;default:break;}};YAHOO.widget.AutoComplete.prototype._onTextboxKeyUp=function(v,oSelf){oSelf._initProps();var nKeyCode=v.keyCode;oSelf._nKeyCode=nKeyCode;var sChar=String.fromCharCode(nKeyCode);var sText=this.value;if(oSelf._isIgnoreKey(nKeyCode)||(sText.toLowerCase()==this._sCurQuery)){return;}
else{oSelf.textboxKeyEvent.fire(oSelf,nKeyCode);}
if(oSelf.queryDelay>0){var nDelayID=setTimeout(function(){oSelf._sendQuery(sText);},(oSelf.queryDelay*1000));if(oSelf._nDelayID!=-1){clearTimeout(oSelf._nDelayID);}
oSelf._nDelayID=nDelayID;}
else{oSelf._sendQuery(sText);}};YAHOO.widget.AutoComplete.prototype._isIgnoreKey=function(nKeyCode){if(this.typeAhead){if((nKeyCode==8)||(nKeyCode==39)||(nKeyCode==46)){return true;}}
if((nKeyCode==9)||(nKeyCode==13)||(nKeyCode==16)||(nKeyCode==17)||(nKeyCode>=18&&nKeyCode<=20)||(nKeyCode==27)||(nKeyCode>=33&&nKeyCode<=35)||(nKeyCode>=36&&nKeyCode<=38)||(nKeyCode==40)||(nKeyCode>=44&&nKeyCode<=45)){return true;}
return false;};YAHOO.widget.AutoComplete.prototype._onTextboxFocus=function(v,oSelf){oSelf._oTextbox.setAttribute("autocomplete","off");oSelf._bFocused=true;oSelf.textboxFocusEvent.fire(oSelf);};YAHOO.widget.AutoComplete.prototype._onTextboxBlur=function(v,oSelf){if(!oSelf._bOverContainer||(oSelf._nKeyCode==9)){if(oSelf.forceSelection&&!oSelf._bItemSelected){if(!oSelf._bContainerOpen||(oSelf._bContainerOpen&&!oSelf._textMatchesOption())){oSelf._clearSelection();}}
if(oSelf._bContainerOpen){oSelf._clearList();}
oSelf._bFocused=false;oSelf.textboxBlurEvent.fire(oSelf);}};YAHOO.widget.AutoComplete.prototype._onFormSubmit=function(v,oSelf){oSelf._oTextbox.setAttribute("autocomplete","on");};YAHOO.widget.AutoComplete.prototype._sendQuery=function(sQuery){var aDelimChar=(this.delimChar)?this.delimChar:null;if(aDelimChar){var nDelimIndex=-1;for(var i=aDelimChar.length-1;i>=0;i--){var nNewIndex=sQuery.lastIndexOf(aDelimChar[i]);if(nNewIndex>nDelimIndex){nDelimIndex=nNewIndex;}}
if(aDelimChar[i]==" "){for(var j=aDelimChar.length-1;j>=0;j--){if(sQuery[nDelimIndex-1]==aDelimChar[j]){nDelimIndex--;break;}}}
if(nDelimIndex>-1){var nQueryStart=nDelimIndex+1;while(sQuery.charAt(nQueryStart)==" "){nQueryStart+=1;}
this._sSavedQuery=sQuery.substring(0,nQueryStart);sQuery=sQuery.substr(nQueryStart);}
else if(sQuery.indexOf(this._sSavedQuery)<0){this._sSavedQuery=null;}}
if(sQuery.length<this.minQueryLength){if(this._nDelayID!=-1){clearTimeout(this._nDelayID);}
this._clearList();return;}
sQuery=encodeURI(sQuery);this._nDelayID=-1;this.dataRequestEvent.fire(this,sQuery);this.dataSource.getResults(this._populateList,sQuery,this);};YAHOO.widget.AutoComplete.prototype._clearList=function(){this._oContainer.scrollTop=0;var aItems=this._aListIds;for(var i=aItems.length-1;i>=0;i--){document.getElementById(aItems[i]).style.display="none";}
if(this._oCurItem){this._toggleHighlight(this._oCurItem,'mouseout');}
this._oCurItem=null;this._nDisplayedItems=0;this._sCurQuery=null;this._toggleContainer(false);};YAHOO.widget.AutoComplete.prototype._populateList=function(sQuery,aResults,oSelf){if(aResults===null){oSelf.dataErrorEvent.fire(oSelf,sQuery);}
else{oSelf.dataReturnEvent.fire(oSelf,sQuery,aResults);}
if(!oSelf._bFocused||!aResults){return;}
var isOpera=(navigator.userAgent.toLowerCase().indexOf("opera")!=-1);oSelf._oContainer.style.width=(!isOpera)?null:"";oSelf._oContainer.style.height=(!isOpera)?null:"";var sCurQuery=decodeURI(sQuery);oSelf._sCurQuery=sCurQuery;var aItems=oSelf._aListIds;oSelf._bItemSelected=false;var nItems=Math.min(aResults.length,oSelf.maxResultsDisplayed);oSelf._nDisplayedItems=nItems;if(nItems>0){for(var i=nItems-1;i>=0;i--){var oItemi=document.getElementById(aItems[i]);var oResultItemi=aResults[i];oItemi.innerHTML=oSelf.formatResult(oResultItemi,sCurQuery);oItemi.style.display="list-item";oItemi._sResultKey=oResultItemi[0];oItemi._oResultData=oResultItemi;}
for(var j=aItems.length-1;j>=nItems;j--){var oItemj=document.getElementById(aItems[j]);oItemj.innerHTML=null;oItemj.style.display="none";oItemj._sResultKey=null;oItemj._oResultData=null;}
var oFirstItem=document.getElementById(aItems[0]);oSelf._toggleHighlight(oFirstItem,'mouseover');oSelf._toggleContainer(true);oSelf.itemArrowToEvent.fire(oSelf,oFirstItem);oSelf._typeAhead(oFirstItem,sQuery);oSelf._oCurItem=oFirstItem;}
else{oSelf._clearList();}};YAHOO.widget.AutoComplete.prototype._clearSelection=function(){var sValue=this._oTextbox.value;var sChar=(this.delimChar)?this.delimChar[0]:null;var nIndex=(sChar)?sValue.lastIndexOf(sChar,sValue.length-2):-1;if(nIndex>-1){this._oTextbox.value=sValue.substring(0,nIndex);}
else{this._oTextbox.value="";}
this._sSavedQuery=this._oTextbox.value;this.selectionEnforceEvent.fire(this);};YAHOO.widget.AutoComplete.prototype._textMatchesOption=function(){var foundMatch=false;for(var i=this._nDisplayedItems-1;i>=0;i--){var oItem=document.getElementById(this._aListIds[i]);var sMatch=oItem._sResultKey.toLowerCase();if(sMatch==this._sCurQuery.toLowerCase()){foundMatch=true;break;}}
return(foundMatch);};YAHOO.widget.AutoComplete.prototype._typeAhead=function(oItem,sQuery){var oTextbox=this._oTextbox;var sValue=this._oTextbox.value;if(!this.typeAhead){return;}
if(!oTextbox.setSelectionRange&&!oTextbox.createTextRange){return;}
var nStart=sValue.length;this._updateValue(oItem);var nEnd=oTextbox.value.length;this._selectText(oTextbox,nStart,nEnd);var sPrefill=oTextbox.value.substr(nStart,nEnd);this.typeAheadEvent.fire(this,sQuery,sPrefill);};YAHOO.widget.AutoComplete.prototype._selectText=function(oTextbox,nStart,nEnd){if(oTextbox.setSelectionRange){oTextbox.setSelectionRange(nStart,nEnd);}
else if(oTextbox.createTextRange){var oTextRange=oTextbox.createTextRange();oTextRange.moveStart("character",nStart);oTextRange.moveEnd("character",nEnd-oTextbox.value.length);oTextRange.select();}
else{oTextbox.select();}};YAHOO.widget.AutoComplete.prototype._toggleContainer=function(bShow){var oContainer=this._oContainer;if(!bShow&&!this._bContainerOpen){oContainer.style.display="none";return;}
var oContent=this._oContent;var oIFrame=this._oIFrame;if(bShow&&oContent&&oIFrame){var sDisplay=oContainer.style.display;oContainer.style.display="block";oIFrame.style.width=oContent.offsetWidth+"px";oIFrame.style.height=oContent.offsetHeight+"px";oIFrame.style.marginTop="-"+oContent.offsetHeight+"px";oContainer.style.display=sDisplay;}
var oAnim=this._oAnim;if(oAnim&&oAnim.getEl()&&(this.animHoriz||this.animVert)){if(oAnim.isAnimated()){oAnim.stop();}
var oClone=oContainer.cloneNode(true);oContainer.parentNode.appendChild(oClone);oClone.style.top="-9000px";oClone.style.display="block";var wExp=oClone.offsetWidth;var hExp=oClone.offsetHeight;var wColl=(this.animHoriz)?0:wExp;var hColl=(this.animVert)?0:hExp;oAnim.attributes=(bShow)?{width:{to:wExp},height:{to:hExp}}:{width:{to:wColl},height:{to:hColl}};if(bShow&&!this._bContainerOpen){oContainer.style.width=wColl+"px";oContainer.style.height=hColl+"px";}
else{oContainer.style.width=wExp+"px";oContainer.style.height=hExp+"px";}