autocomplete.js

SugarCRM5.1 开源PHP客户关系管理系统

/*
 Copyright (c) 2007, Yahoo! Inc. All rights reserved.
 Code licensed under the BSD License:
 http://developer.yahoo.net/yui/license.txt
 version: 2.2.2
 */
YAHOO.widget.AutoComplete=function(elInput,elContainer,oDataSource,oConfigs){if(elInput&&elContainer&&oDataSource){if(oDataSource instanceof YAHOO.widget.DataSource){this.dataSource=oDataSource;}
else{return;}
if(YAHOO.util.Dom.inDocument(elInput)){if(YAHOO.lang.isString(elInput)){this._sName="instance"+YAHOO.widget.AutoComplete._nIndex+" "+elInput;this._oTextbox=document.getElementById(elInput);}
else{this._sName=(elInput.id)?"instance"+YAHOO.widget.AutoComplete._nIndex+" "+elInput.id:"instance"+YAHOO.widget.AutoComplete._nIndex;this._oTextbox=elInput;}}
else{return;}
if(YAHOO.util.Dom.inDocument(elContainer)){if(YAHOO.lang.isString(elContainer)){this._oContainer=document.getElementById(elContainer);}
else{this._oContainer=elContainer;}
if(this._oContainer.style.display=="none"){}}
else{return;}
if(oConfigs&&(oConfigs.constructor==Object)){for(var sConfig in oConfigs){if(sConfig){this[sConfig]=oConfigs[sConfig];}}}
this._initContainer();this._initProps();this._initList();this._initContainerHelpers();var oSelf=this;var oTextbox=this._oTextbox;var oContent=this._oContainer._oContent;YAHOO.util.Event.addListener(oTextbox,"keyup",oSelf._onTextboxKeyUp,oSelf);YAHOO.util.Event.addListener(oTextbox,"keydown",oSelf._onTextboxKeyDown,oSelf);YAHOO.util.Event.addListener(oTextbox,"focus",oSelf._onTextboxFocus,oSelf);YAHOO.util.Event.addListener(oTextbox,"blur",oSelf._onTextboxBlur,oSelf);YAHOO.util.Event.addListener(oContent,"mouseover",oSelf._onContainerMouseover,oSelf);YAHOO.util.Event.addListener(oContent,"mouseout",oSelf._onContainerMouseout,oSelf);YAHOO.util.Event.addListener(oContent,"scroll",oSelf._onContainerScroll,oSelf);YAHOO.util.Event.addListener(oContent,"resize",oSelf._onContainerResize,oSelf);if(oTextbox.form){YAHOO.util.Event.addListener(oTextbox.form,"submit",oSelf._onFormSubmit,oSelf);}
YAHOO.util.Event.addListener(oTextbox,"keypress",oSelf._onTextboxKeyPress,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.unmatchedItemSelectEvent=new YAHOO.util.CustomEvent("unmatchedItemSelect",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");YAHOO.widget.AutoComplete._nIndex++;}
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="yui-ac-highlight";YAHOO.widget.AutoComplete.prototype.prehighlightClassName=null;YAHOO.widget.AutoComplete.prototype.delimChar=null;YAHOO.widget.AutoComplete.prototype.autoHighlight=true;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.alwaysShowContainer=false;YAHOO.widget.AutoComplete.prototype.useIFrame=false;YAHOO.widget.AutoComplete.prototype.useShadow=false;YAHOO.widget.AutoComplete.prototype.toString=function(){return"AutoComplete "+this._sName;};YAHOO.widget.AutoComplete.prototype.isContainerOpen=function(){return this._bContainerOpen;};YAHOO.widget.AutoComplete.prototype.getListItems=function(){return this._aListItems;};YAHOO.widget.AutoComplete.prototype.getListItemData=function(oListItem){if(oListItem._oResultData){return oListItem._oResultData;}
else{return false;}};YAHOO.widget.AutoComplete.prototype.setHeader=function(sHeader){if(sHeader){if(this._oContainer._oContent._oHeader){this._oContainer._oContent._oHeader.innerHTML=sHeader;this._oContainer._oContent._oHeader.style.display="block";}}
else{this._oContainer._oContent._oHeader.innerHTML="";this._oContainer._oContent._oHeader.style.display="none";}};YAHOO.widget.AutoComplete.prototype.setFooter=function(sFooter){if(sFooter){if(this._oContainer._oContent._oFooter){this._oContainer._oContent._oFooter.innerHTML=sFooter;this._oContainer._oContent._oFooter.style.display="block";}}
else{this._oContainer._oContent._oFooter.innerHTML="";this._oContainer._oContent._oFooter.style.display="none";}};YAHOO.widget.AutoComplete.prototype.setBody=function(sBody){if(sBody){if(this._oContainer._oContent._oBody){this._oContainer._oContent._oBody.innerHTML=sBody;this._oContainer._oContent._oBody.style.display="block";this._oContainer._oContent.style.display="block";}}
else{this._oContainer._oContent._oBody.innerHTML="";this._oContainer._oContent.style.display="none";}
this._maxResultsDisplayed=0;};YAHOO.widget.AutoComplete.prototype.formatResult=function(oResultItem,sQuery){var sResult=oResultItem[0];if(sResult){return sResult;}
else{return"";}};YAHOO.widget.AutoComplete.prototype.doBeforeExpandContainer=function(oResultItem,sQuery){return true;};YAHOO.widget.AutoComplete.prototype.sendQuery=function(sQuery){this._sendQuery(sQuery);};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.unmatchedItemSelectEvent=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._aListItems=null;YAHOO.widget.AutoComplete.prototype._nDisplayedItems=0;YAHOO.widget.AutoComplete.prototype._maxResultsDisplayed=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._iFrameSrc="javascript:false;";YAHOO.widget.AutoComplete.prototype._queryInterval=null;YAHOO.widget.AutoComplete.prototype._sLastTextboxValue=null;YAHOO.widget.AutoComplete.prototype._initProps=function(){var minQueryLength=this.minQueryLength;if(!YAHOO.lang.isNumber(minQueryLength)||(minQueryLength<1)){minQueryLength=1;}
var maxResultsDisplayed=this.maxResultsDisplayed;if(!YAHOO.lang.isNumber(maxResultsDisplayed)||(maxResultsDisplayed<1)){maxResultsDisplayed=10;}
var queryDelay=this.queryDelay;if(!YAHOO.lang.isNumber(queryDelay)||(queryDelay<0)){queryDelay=0.5;}
var delimChar=this.delimChar;if(YAHOO.lang.isString(delimChar)){delimChar=[delimChar];}
else if(!YAHOO.lang.isArray(delimChar)){delimChar=null;}
var animSpeed=this.animSpeed;if((this.animHoriz||this.animVert)&&YAHOO.util.Anim){if(!YAHOO.lang.isNumber(animSpeed)||(animSpeed<0)){animSpeed=0.3;}
if(!this._oAnim){oAnim=new YAHOO.util.Anim(this._oContainer._oContent,{},animSpeed);this._oAnim=oAnim;}
else{this._oAnim.duration=animSpeed;}}
if(this.forceSelection&&delimChar){}};YAHOO.widget.AutoComplete.prototype._initContainerHelpers=function(){if(this.useShadow&&!this._oContainer._oShadow){var oShadow=document.createElement("div");oShadow.className="yui-ac-shadow";this._oContainer._oShadow=this._oContainer.appendChild(oShadow);}
if(this.useIFrame&&!this._oContainer._oIFrame){var oIFrame=document.createElement("iframe");oIFrame.src=this._iFrameSrc;oIFrame.frameBorder=0;oIFrame.scrolling="no";oIFrame.style.position="absolute";oIFrame.style.width="100%";oIFrame.style.height="100%";oIFrame.tabIndex=-1;this._oContainer._oIFrame=this._oContainer.appendChild(oIFrame);}};YAHOO.widget.AutoComplete.prototype._initContainer=function(){if(!this._oContainer._oContent){var oContent=document.createElement("div");oContent.className="yui-ac-content";oContent.style.display="none";this._oContainer._oContent=this._oContainer.appendChild(oContent);var oHeader=document.createElement("div");oHeader.className="yui-ac-hd";oHeader.style.display="none";this._oContainer._oContent._oHeader=this._oContainer._oContent.appendChild(oHeader);var oBody=document.createElement("div");oBody.className="yui-ac-bd";this._oContainer._oContent._oBody=this._oContainer._oContent.appendChild(oBody);var oFooter=document.createElement("div");oFooter.className="yui-ac-ft";oFooter.style.display="none";this._oContainer._oContent._oFooter=this._oContainer._oContent.appendChild(oFooter);}
else{}};YAHOO.widget.AutoComplete.prototype._initList=function(){this._aListItems=[];while(this._oContainer._oContent._oBody.hasChildNodes()){var oldListItems=this.getListItems();if(oldListItems){for(var oldi=oldListItems.length-1;oldi>=0;oldi--){oldListItems[oldi]=null;}}
this._oContainer._oContent._oBody.innerHTML="";}
var oList=document.createElement("ul");oList=this._oContainer._oContent._oBody.appendChild(oList);for(var i=0;i<this.maxResultsDisplayed;i++){var oItem=document.createElement("li");oItem=oList.appendChild(oItem);this._aListItems[i]=oItem;this._initListItem(oItem,i);}
this._maxResultsDisplayed=this.maxResultsDisplayed;};YAHOO.widget.AutoComplete.prototype._initListItem=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._onIMEDetected=function(oSelf){oSelf._enableIntervalDetection();};YAHOO.widget.AutoComplete.prototype._enableIntervalDetection=function(){var currValue=this._oTextbox.value;var lastValue=this._sLastTextboxValue;if(currValue!=lastValue){this._sLastTextboxValue=currValue;this._sendQuery(currValue);}};YAHOO.widget.AutoComplete.prototype._cancelIntervalDetection=function(oSelf){if(oSelf._queryInterval){clearInterval(oSelf._queryInterval);}};YAHOO.widget.AutoComplete.prototype._isIgnoreKey=function(nKeyCode){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._sendQuery=function(sQuery){if(this.minQueryLength==-1){this._toggleContainer(false);return;}
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&&(sQuery.length<this.minQueryLength)||(!sQuery&&this.minQueryLength>0)){if(this._nDelayID!=-1){clearTimeout(this._nDelayID);}
this._toggleContainer(false);return;}
sQuery=encodeURIComponent(sQuery);this._nDelayID=-1;this.dataRequestEvent.fire(this,sQuery);this.dataSource.getResults(this._populateList,sQuery,this);};YAHOO.widget.AutoComplete.prototype._populateList=function(sQuery,aResults,oSelf){if(aResults===null){oSelf.dataErrorEvent.fire(oSelf,sQuery);}
if(!oSelf._bFocused||!aResults){return;}
var isOpera=(navigator.userAgent.toLowerCase().indexOf("opera")!=-1);var contentStyle=oSelf._oContainer._oContent.style;contentStyle.width=(!isOpera)?null:"";contentStyle.height=(!isOpera)?null:"";var sCurQuery=decodeURIComponent(sQuery);oSelf._sCurQuery=sCurQuery;oSelf._bItemSelected=false;if(oSelf._maxResultsDisplayed!=oSelf.maxResultsDisplayed){oSelf._initList();}
var nItems=Math.min(aResults.length,oSelf.maxResultsDisplayed);oSelf._nDisplayedItems=nItems;if(nItems>0){oSelf._initContainerHelpers();var aItems=oSelf._aListItems;for(var i=nItems-1;i>=0;i--){var oItemi=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=aItems[j];oItemj.innerHTML=null;oItemj.style.display="none";oItemj._sResultKey=null;oItemj._oResultData=null;}
if(oSelf.autoHighlight){var oFirstItem=aItems[0];oSelf._toggleHighlight(oFirstItem,"to");oSelf.itemArrowToEvent.fire(oSelf,oFirstItem);oSelf._typeAhead(oFirstItem,sQuery);}
else{oSelf._oCurItem=null;}
var ok=oSelf.doBeforeExpandContainer(oSelf._oTextbox,oSelf._oContainer,sQuery,aResults);oSelf._toggleContainer(ok);}
else{oSelf._toggleContainer(false);}
oSelf.dataReturnEvent.fire(oSelf,sQuery,aResults);};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=this._aListItems[i];var sMatch=oItem._sResultKey.toLowerCase();if(sMatch==this._sCurQuery.toLowerCase()){foundMatch=true;break;}}
return(foundMatch);};YAHOO.widget.AutoComplete.prototype._typeAhead=function(oItem,sQuery){if(!this.typeAhead||(this._nKeyCode==8)){return;}
var oTextbox=this._oTextbox;var sValue=this._oTextbox.value;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();}