datatable-min.js

这是YUI的源码及相关示例。里面有很多很炫的Javascript效果。

if(H){if(G.isArray(H)){this.addRecords(H);}else{if(G.isObject(H)){this.addRecord(H);}}}};var B=E.RecordSet;B._nCount=0;B.prototype={_sId:null,_addRecord:function(J,H){var I=new YAHOO.widget.Record(J);if(YAHOO.lang.isNumber(H)&&(H>-1)){this._records.splice(H,0,I);}else{this._records[this._records.length]=I;}return I;},_setRecord:function(I,H){if(!G.isNumber(H)||H<0){H=this._records.length;}return(this._records[H]=new E.Record(I));},_deleteRecord:function(I,H){if(!G.isNumber(H)||(H<0)){H=1;}this._records.splice(I,H);},getId:function(){return this._sId;},toString:function(){return"RecordSet instance "+this._sId;},getLength:function(){return this._records.length;},getRecord:function(H){var I;if(H instanceof E.Record){for(I=0;I<this._records.length;I++){if(this._records[I]&&(this._records[I]._sId===H._sId)){return H;}}}else{if(G.isNumber(H)){if((H>-1)&&(H<this.getLength())){return this._records[H];}}else{if(G.isString(H)){for(I=0;I<this._records.length;I++){if(this._records[I]&&(this._records[I]._sId===H)){return this._records[I];}}}}}return null;},getRecords:function(I,H){if(!G.isNumber(I)){return this._records;}if(!G.isNumber(H)){return this._records.slice(I);}return this._records.slice(I,I+H);},hasRecords:function(I,H){var K=this.getRecords(I,H);for(var J=0;J<H;++J){if(typeof K[J]==="undefined"){return false;}}return true;},getRecordIndex:function(I){if(I){for(var H=this._records.length-1;H>-1;H--){if(this._records[H]&&I.getId()===this._records[H].getId()){return H;}}}return null;},addRecord:function(J,H){if(G.isObject(J)){var I=this._addRecord(J,H);this.fireEvent("recordAddEvent",{record:I,data:J});return I;}else{return null;}},addRecords:function(L,K){if(G.isArray(L)){var O=[],I,M,H;K=G.isNumber(K)?K:this._records.length;I=K;for(M=0,H=L.length;M<H;++M){if(G.isObject(L[M])){var J=this._addRecord(L[M],I++);O.push(J);}}this.fireEvent("recordsAddEvent",{records:O,data:L});return O;}else{if(G.isObject(L)){var N=this._addRecord(L);this.fireEvent("recordsAddEvent",{records:[N],data:L});return N;}else{return null;}}},setRecord:function(J,H){if(G.isObject(J)){var I=this._setRecord(J,H);this.fireEvent("recordSetEvent",{record:I,data:J});return I;}else{return null;}},setRecords:function(L,K){var O=E.Record,I=G.isArray(L)?L:[L],N=[],M=0,H=I.length,J=0;K=parseInt(K,10)|0;for(;M<H;++M){if(typeof I[M]==="object"&&I[M]){N[J++]=this._records[K+M]=new O(I[M]);}}this.fireEvent("recordsSetEvent",{records:N,data:L});this.fireEvent("recordsSet",{records:N,data:L});if(I.length&&!N.length){}return N.length>1?N:N[0];},updateRecord:function(H,L){var J=this.getRecord(H);if(J&&G.isObject(L)){var K={};for(var I in J._oData){if(G.hasOwnProperty(J._oData,I)){K[I]=J._oData[I];}}J._oData=L;this.fireEvent("recordUpdateEvent",{record:J,newData:L,oldData:K});return J;}else{return null;}},updateKey:function(H,I,J){this.updateRecordValue(H,I,J);},updateRecordValue:function(H,K,N){var J=this.getRecord(H);if(J){var M=null;var L=J._oData[K];if(L&&G.isObject(L)){M={};for(var I in L){if(G.hasOwnProperty(L,I)){M[I]=L[I];}}}else{M=L;}J._oData[K]=N;this.fireEvent("keyUpdateEvent",{record:J,key:K,newData:N,oldData:M});this.fireEvent("recordValueUpdateEvent",{record:J,key:K,newData:N,oldData:M});}else{}},replaceRecords:function(H){this.reset();return this.addRecords(H);},sortRecords:function(H,I){return this._records.sort(function(K,J){return H(K,J,I);});},reverseRecords:function(){return this._records.reverse();},deleteRecord:function(H){if(G.isNumber(H)&&(H>-1)&&(H<this.getLength())){var I=E.DataTable._cloneObject(this.getRecord(H).getData());this._deleteRecord(H);this.fireEvent("recordDeleteEvent",{data:I,index:H});return I;}else{return null;}},deleteRecords:function(J,H){if(!G.isNumber(H)){H=1;}if(G.isNumber(J)&&(J>-1)&&(J<this.getLength())){var L=this.getRecords(J,H);var I=[];for(var K=0;K<L.length;K++){I[I.length]=E.DataTable._cloneObject(L[K]);}this._deleteRecord(J,H);this.fireEvent("recordsDeleteEvent",{data:I,index:J});return I;}else{return null;}},reset:function(){this._records=[];this.fireEvent("resetEvent");}};G.augmentProto(B,A.EventProvider);YAHOO.widget.Record=function(H){this._nCount=E.Record._nCount;this._sId="yui-rec"+this._nCount;E.Record._nCount++;this._oData={};if(G.isObject(H)){for(var I in H){if(G.hasOwnProperty(H,I)){this._oData[I]=H[I];}}}};YAHOO.widget.Record._nCount=0;YAHOO.widget.Record.prototype={_nCount:null,_sId:null,_oData:null,getCount:function(){return this._nCount;},getId:function(){return this._sId;},getData:function(H){if(G.isString(H)){return this._oData[H];}else{return this._oData;}},setData:function(H,I){this._oData[H]=I;}};})();(function(){var H=YAHOO.lang,A=YAHOO.util,E=YAHOO.widget,B=YAHOO.env.ua,C=A.Dom,G=A.Event,F=A.DataSourceBase;YAHOO.widget.DataTable=function(I,M,O,K){var L=E.DataTable;if(K&&K.scrollable){return new YAHOO.widget.ScrollingDataTable(I,M,O,K);}this._nIndex=L._nCount;this._sId="yui-dt"+this._nIndex;this._oChainRender=new YAHOO.util.Chain();this._oChainRender.subscribe("end",this._onRenderChainEnd,this,true);this._initConfigs(K);this._initDataSource(O);if(!this._oDataSource){return ;}this._initColumnSet(M);if(!this._oColumnSet){return ;}this._initRecordSet();if(!this._oRecordSet){}L.superclass.constructor.call(this,I,this.configs);var Q=this._initDomElements(I);if(!Q){return ;}this.showTableMessage(this.get("MSG_LOADING"),L.CLASS_LOADING);this._initEvents();L._nCount++;L._nCurrentCount++;var N={success:this.onDataReturnSetRows,failure:this.onDataReturnSetRows,scope:this,argument:this.getState()};var P=this.get("initialLoad");if(P===true){this._oDataSource.sendRequest(this.get("initialRequest"),N);}else{if(P===false){this.showTableMessage(this.get("MSG_EMPTY"),L.CLASS_EMPTY);}else{var J=P||{};N.argument=J.argument||{};this._oDataSource.sendRequest(J.request,N);}}};var D=E.DataTable;H.augmentObject(D,{CLASS_DATATABLE:"yui-dt",CLASS_LINER:"yui-dt-liner",CLASS_LABEL:"yui-dt-label",CLASS_MESSAGE:"yui-dt-message",CLASS_MASK:"yui-dt-mask",CLASS_DATA:"yui-dt-data",CLASS_COLTARGET:"yui-dt-coltarget",CLASS_RESIZER:"yui-dt-resizer",CLASS_RESIZERLINER:"yui-dt-resizerliner",CLASS_RESIZERPROXY:"yui-dt-resizerproxy",CLASS_EDITOR:"yui-dt-editor",CLASS_PAGINATOR:"yui-dt-paginator",CLASS_PAGE:"yui-dt-page",CLASS_DEFAULT:"yui-dt-default",CLASS_PREVIOUS:"yui-dt-previous",CLASS_NEXT:"yui-dt-next",CLASS_FIRST:"yui-dt-first",CLASS_LAST:"yui-dt-last",CLASS_EVEN:"yui-dt-even",CLASS_ODD:"yui-dt-odd",CLASS_SELECTED:"yui-dt-selected",CLASS_HIGHLIGHTED:"yui-dt-highlighted",CLASS_HIDDEN:"yui-dt-hidden",CLASS_DISABLED:"yui-dt-disabled",CLASS_EMPTY:"yui-dt-empty",CLASS_LOADING:"yui-dt-loading",CLASS_ERROR:"yui-dt-error",CLASS_EDITABLE:"yui-dt-editable",CLASS_DRAGGABLE:"yui-dt-draggable",CLASS_RESIZEABLE:"yui-dt-resizeable",CLASS_SCROLLABLE:"yui-dt-scrollable",CLASS_SORTABLE:"yui-dt-sortable",CLASS_ASC:"yui-dt-asc",CLASS_DESC:"yui-dt-desc",CLASS_BUTTON:"yui-dt-button",CLASS_CHECKBOX:"yui-dt-checkbox",CLASS_DROPDOWN:"yui-dt-dropdown",CLASS_RADIO:"yui-dt-radio",_nCount:0,_nCurrentCount:0,_elDynStyleNode:null,_bDynStylesFallback:(B.ie&&(B.ie<7))?true:false,_oDynStyles:{},_elColumnDragTarget:null,_elColumnResizerProxy:null,_cloneObject:function(L){if(!H.isValue(L)){return L;
}var N={};if(L instanceof YAHOO.widget.BaseCellEditor){N=L;}else{if(H.isFunction(L)){N=L;}else{if(H.isArray(L)){var M=[];for(var K=0,J=L.length;K<J;K++){M[K]=D._cloneObject(L[K]);}N=M;}else{if(H.isObject(L)){for(var I in L){if(H.hasOwnProperty(L,I)){if(H.isValue(L[I])&&H.isObject(L[I])||H.isArray(L[I])){N[I]=D._cloneObject(L[I]);}else{N[I]=L[I];}}}}else{N=L;}}}}return N;},_destroyColumnDragTargetEl:function(){if(D._elColumnDragTarget){var I=D._elColumnDragTarget;YAHOO.util.Event.purgeElement(I);I.parentNode.removeChild(I);D._elColumnDragTarget=null;}},_initColumnDragTargetEl:function(){if(!D._elColumnDragTarget){var I=document.createElement("div");I.className=D.CLASS_COLTARGET;I.style.display="none";document.body.insertBefore(I,document.body.firstChild);D._elColumnDragTarget=I;}return D._elColumnDragTarget;},_destroyColumnResizerProxyEl:function(){if(D._elColumnResizerProxy){var I=D._elColumnResizerProxy;YAHOO.util.Event.purgeElement(I);I.parentNode.removeChild(I);D._elColumnResizerProxy=null;}},_initColumnResizerProxyEl:function(){if(!D._elColumnResizerProxy){var I=document.createElement("div");I.id="yui-dt-colresizerproxy";I.className=D.CLASS_RESIZERPROXY;document.body.insertBefore(I,document.body.firstChild);D._elColumnResizerProxy=I;}return D._elColumnResizerProxy;},formatButton:function(I,J,K,M){var L=H.isValue(M)?M:"Click";I.innerHTML='<button type="button" class="'+D.CLASS_BUTTON+'">'+L+"</button>";},formatCheckbox:function(I,J,K,M){var L=M;L=(L)?' checked="checked"':"";I.innerHTML='<input type="checkbox"'+L+' class="'+D.CLASS_CHECKBOX+'" />';},formatCurrency:function(I,J,K,L){I.innerHTML=A.Number.format(L,K.currencyOptions||this.get("currencyOptions"));},formatDate:function(I,K,L,M){var J=L.dateOptions||this.get("dateOptions");I.innerHTML=A.Date.format(M,J,J.locale);},formatDropdown:function(K,R,P,I){var Q=(H.isValue(I))?I:R.getData(P.field);var S=(H.isArray(P.dropdownOptions))?P.dropdownOptions:null;var J;var O=K.getElementsByTagName("select");if(O.length===0){J=document.createElement("select");J.className=D.CLASS_DROPDOWN;J=K.appendChild(J);G.addListener(J,"change",this._onDropdownChange,this);}J=O[0];if(J){J.innerHTML="";if(S){for(var M=0;M<S.length;M++){var N=S[M];var L=document.createElement("option");L.value=(H.isValue(N.value))?N.value:N;L.innerHTML=(H.isValue(N.text))?N.text:N;L=J.appendChild(L);if(L.value==Q){L.selected=true;}}}else{J.innerHTML='<option selected value="'+Q+'">'+Q+"</option>";}}else{K.innerHTML=H.isValue(I)?I:"";}},formatEmail:function(I,J,K,L){if(H.isString(L)){I.innerHTML='<a href="mailto:'+L+'">'+L+"</a>";}else{I.innerHTML=H.isValue(L)?L:"";}},formatLink:function(I,J,K,L){if(H.isString(L)){I.innerHTML='<a href="'+L+'">'+L+"</a>";}else{I.innerHTML=H.isValue(L)?L:"";}},formatNumber:function(I,J,K,L){I.innerHTML=A.Number.format(L,K.numberOptions||this.get("numberOptions"));},formatRadio:function(I,J,K,M){var L=M;L=(L)?' checked="checked"':"";I.innerHTML='<input type="radio"'+L+' name="'+this.getId()+"-col-"+K.getSanitizedKey()+'"'+' class="'+D.CLASS_RADIO+'" />';},formatText:function(I,J,L,M){var K=(H.isValue(J.getData(L.field)))?J.getData(L.field):"";I.innerHTML=K.toString().replace(/&/g,"&#38;").replace(/</g,"&#60;").replace(/>/g,"&#62;");},formatTextarea:function(J,K,M,N){var L=(H.isValue(K.getData(M.field)))?K.getData(M.field):"";var I="<textarea>"+L+"</textarea>";J.innerHTML=I;},formatTextbox:function(J,K,M,N){var L=(H.isValue(K.getData(M.field)))?K.getData(M.field):"";var I='<input type="text" value="'+L+'" />';J.innerHTML=I;},formatDefault:function(I,J,K,L){I.innerHTML=L===undefined||L===null||(typeof L==="number"&&isNaN(L))?"&#160;":L.toString();},validateNumber:function(J){var I=J*1;if(H.isNumber(I)){return I;}else{return undefined;}}});D.Formatter={button:D.formatButton,checkbox:D.formatCheckbox,currency:D.formatCurrency,"date":D.formatDate,dropdown:D.formatDropdown,email:D.formatEmail,link:D.formatLink,"number":D.formatNumber,radio:D.formatRadio,text:D.formatText,textarea:D.formatTextarea,textbox:D.formatTextbox,defaultFormatter:D.formatDefault};H.extend(D,A.Element,{initAttributes:function(I){I=I||{};D.superclass.initAttributes.call(this,I);this.setAttributeConfig("summary",{value:"",validator:H.isString,method:function(J){if(this._elTable){this._elTable.summary=J;}}});this.setAttributeConfig("selectionMode",{value:"standard",validator:H.isString});this.setAttributeConfig("sortedBy",{value:null,validator:function(J){if(J){return(H.isObject(J)&&J.key);}else{return(J===null);}},method:function(K){var R=this.get("sortedBy");this._configs.sortedBy.value=K;var J,O,M,Q;if(this._elThead){if(R&&R.key&&R.dir){J=this._oColumnSet.getColumn(R.key);O=J.getKeyIndex();var U=J.getThEl();C.removeClass(U,R.dir);this.formatTheadCell(J.getThLinerEl().firstChild,J,K);}if(K){M=(K.column)?K.column:this._oColumnSet.getColumn(K.key);Q=M.getKeyIndex();var V=M.getThEl();if(K.dir&&((K.dir=="asc")||(K.dir=="desc"))){var P=(K.dir=="desc")?D.CLASS_DESC:D.CLASS_ASC;C.addClass(V,P);}else{var L=K.dir||D.CLASS_ASC;C.addClass(V,L);}this.formatTheadCell(M.getThLinerEl().firstChild,M,K);}}if(this._elTbody){this._elTbody.style.display="none";var S=this._elTbody.rows,T;for(var N=S.length-1;N>-1;N--){T=S[N].childNodes;if(T[O]){C.removeClass(T[O],R.dir);}if(T[Q]){C.addClass(T[Q],K.dir);}}this._elTbody.style.display="";}this._clearTrTemplateEl();}});this.setAttributeConfig("paginator",{value:null,validator:function(J){return J===null||J instanceof E.Paginator;},method:function(){this._updatePaginator.apply(this,arguments);}});this.setAttributeConfig("caption",{value:null,validator:H.isString,method:function(J){this._initCaptionEl(J);}});this.setAttributeConfig("draggableColumns",{value:false,validator:H.isBoolean,method:function(J){if(this._elThead){if(J){this._initDraggableColumns();}else{this._destroyDraggableColumns();}}}});this.setAttributeConfig("renderLoopSize",{value:0,validator:H.isNumber});this.setAttributeConfig("formatRow",{value:null,validator:H.isFunction});this.setAttributeConfig("generateRequest",{value:function(K,N){K=K||{pagination:null,sortedBy:null};
var M=(K.sortedBy)?K.sortedBy.key:N.getColumnSet().keys[0].getKey();var J=(K.sortedBy&&K.sortedBy.dir===D.CLASS_DESC)?"desc":"asc";var O=(K.pagination)?K.pagination.recordOffset:0;var L=(K.pagination)?K.pagination.rowsPerPage:null;return"sort="+M+"&dir="+J+"&startIndex="+O+((L!==null)?"&results="+L:"");},validator:H.isFunction});this.setAttributeConfig("initialRequest",{value:null});this.setAttributeConfig("initialLoad",{value:true});this.setAttributeConfig("dynamicData",{value:false,validator:H.isBoolean});this.setAttributeConfig("MSG_EMPTY",{value:"No records found.",validator:H.isString});this.setAttributeConfig("MSG_LOADING",{value:"Loading...",validator:H.isString});this.setAttributeConfig("MSG_ERROR",{value:"Data error.",validator:H.isString});this.setAttributeConfig("MSG_SORTASC",{value:"Click to sort ascending",validator:H.isString,method:function(K){if(this._elThead){for(var L=0,M=this.getColumnSet().keys,J=M.length;L<J;L++){if(M[L].sortable&&this.getColumnSortDir(M[L])===D.CLASS_ASC){M[L]._elThLabel.firstChild.title=K;}}}}});this.setAttributeConfig("MSG_SORTDESC",{value:"Click to sort descending",validator:H.isString,method:function(K){if(this._elThead){for(var L=0,M=this.getColumnSet().keys,J=M.length;L<J;L++){if(M[L].sortable&&this.getColumnSortDir(M[L])===D.CLASS_DESC){M[L]._elThLabel.firstChild.title=K;}}}}});this.setAttributeConfig("currencySymbol",{value:"$",validator:H.isString});this.setAttributeConfig("currencyOptions",{value:{prefix:this.get("currencySymbol"),decimalPlaces:2,decimalSeparator:".",thousandsSeparator:","}});this.setAttributeConfig("dateOptions",{value:{format:"%m/%d/%Y",locale:"en"}});this.setAttributeConfig("numberOptions",{value:{decimalPlaces:0,thousandsSeparator:","}});},_bInit:true,_nIndex:null,_nTrCount:0,_nTdCount:0,_sId:null,_oChainRender:null,_elContainer:null,_elMask:null,_elTable:null,_elCaption:null,_elColgroup:null,_elThead:null,_elTbody:null,_elMsgTbody:null,_elMsgTr:null,_elMsgTd:null,_oDataSource:null,_oColumnSet:null,_oRecordSet:null,_oCellEditor:null,_sFirstTrId:null,_sLastTrId:null,_elTrTemplate:null,_aDynFunctions:[],clearTextSelection:function(){var I;if(window.getSelection){I=window.getSelection();}else{if(document.getSelection){I=document.getSelection();}else{if(document.selection){I=document.selection;}}}if(I){if(I.empty){I.empty();}else{if(I.removeAllRanges){I.removeAllRanges();}else{if(I.collapse){I.collapse();}}}}},_focusEl:function(I){I=I||this._elTbody;setTimeout(function(){try{I.focus();}catch(J){}},0);},_repaintGecko:(B.gecko)?function(J){J=J||this._elContainer;var I=J.parentNode;var K=J.nextSibling;I.insertBefore(I.removeChild(J),K);}:function(){},_repaintOpera:(B.opera)?function(){if(B.opera){document.documentElement.className+=" ";document.documentElement.className.trim();}}:function(){},_repaintWebkit:(B.webkit)?function(J){J=J||this._elContainer;var I=J.parentNode;var K=J.nextSibling;I.insertBefore(I.removeChild(J),K);}:function(){},_initConfigs:function(I){if(!I||!H.isObject(I)){I={};}this.configs=I;},_initColumnSet:function(M){var L,J,I;if(this._oColumnSet){for(J=0,I=this._oColumnSet.keys.length;J<I;J++){L=this._oColumnSet.keys[J];D._oDynStyles["."+this.getId()+"-col-"+L.getSanitizedKey()+" ."+D.CLASS_LINER]=undefined;if(L.editor&&L.editor.unsubscribeAll){L.editor.unsubscribeAll();}}this._oColumnSet=null;this._clearTrTemplateEl();}if(H.isArray(M)){this._oColumnSet=new YAHOO.widget.ColumnSet(M);}else{if(M instanceof YAHOO.widget.ColumnSet){this._oColumnSet=M;}}var K=this._oColumnSet.keys;for(J=0,I=K.length;J<I;J++){L=K[J];if(L.editor&&L.editor.subscribe){L.editor.subscribe("showEvent",this._onEditorShowEvent,this,true);L.editor.subscribe("keydownEvent",this._onEditorKeydownEvent,this,true);L.editor.subscribe("revertEvent",this._onEditorRevertEvent,this,true);L.editor.subscribe("saveEvent",this._onEditorSaveEvent,this,true);L.editor.subscribe("cancelEvent",this._onEditorCancelEvent,this,true);L.editor.subscribe("blurEvent",this._onEditorBlurEvent,this,true);L.editor.subscribe("blockEvent",this._onEditorBlockEvent,this,true);L.editor.subscribe("unblockEvent",this._onEditorUnblockEvent,this,true);}}},_initDataSource:function(I){this._oDataSource=null;if(I&&(I instanceof F)){this._oDataSource=I;}else{var J=null;var N=this._elContainer;var K=0;if(N.hasChildNodes()){var M=N.childNodes;for(K=0;K<M.length;K++){if(M[K].nodeName&&M[K].nodeName.toLowerCase()=="table"){J=M[K];break;}}if(J){var L=[];for(;K<this._oColumnSet.keys.length;K++){L.push({key:this._oColumnSet.keys[K].key});}this._oDataSource=new F(J);this._oDataSource.responseType=F.TYPE_HTMLTABLE;this._oDataSource.responseSchema={fields:L};}}}},_initRecordSet:function(){if(this._oRecordSet){this._oRecordSet.reset();}else{this._oRecordSet=new YAHOO.widget.RecordSet();}},_initDomElements:function(I){this._initContainerEl(I);this._initTableEl(this._elContainer);this._initColgroupEl(this._elTable);this._initTheadEl(this._elTable);this._initMsgTbodyEl(this._elTable);this._initTbodyEl(this._elTable);if(!this._elContainer||!this._elTable||!this._elColgroup||!this._elThead||!this._elTbody||!this._elMsgTbody){return false;}else{return true;}},_destroyContainerEl:function(I){C.removeClass(I,D.CLASS_DATATABLE);G.purgeElement(I,true);I.innerHTML="";this._elContainer=null;this._elColgroup=null;this._elThead=null;this._elTbody=null;},_initContainerEl:function(J){J=C.get(J);if(J&&J.nodeName&&(J.nodeName.toLowerCase()=="div")){this._destroyContainerEl(J);C.addClass(J,D.CLASS_DATATABLE);G.addListener(J,"focus",this._onTableFocus,this);G.addListener(J,"dblclick",this._onTableDblclick,this);this._elContainer=J;var I=document.createElement("div");I.className=D.CLASS_MASK;I.style.display="none";this._elMask=J.appendChild(I);}},_destroyTableEl:function(){var I=this._elTable;if(I){G.purgeElement(I,true);I.parentNode.removeChild(I);this._elCaption=null;this._elColgroup=null;this._elThead=null;this._elTbody=null;}},_initCaptionEl:function(I){if(this._elTable&&I){if(!this._elCaption){this._elCaption=this._elTable.createCaption();
}this._elCaption.innerHTML=I;}else{if(this._elCaption){this._elCaption.parentNode.removeChild(this._elCaption);}}},_initTableEl:function(I){if(I){this._destroyTableEl();this._elTable=I.appendChild(document.createElement("table"));this._elTable.summary=this.get("summary");if(this.get("caption")){this._initCaptionEl(this.get("caption"));}}},_destroyColgroupEl:function(){var I=this._elColgroup;if(I){var J=I.parentNode;G.purgeElement(I,true);J.removeChild(I);this._elColgroup=null;}},_initColgroupEl:function(R){if(R){this._destroyColgroupEl();var K=this._aColIds||[],Q=this._oColumnSet.keys,L=0,O=K.length,I,N,P=document.createDocumentFragment(),M=document.createElement("col");for(L=0,O=Q.length;L<O;L++){N=Q[L];I=P.appendChild(M.cloneNode(false));}var J=R.insertBefore(document.createElement("colgroup"),R.firstChild);J.appendChild(P);this._elColgroup=J;}},_insertColgroupColEl:function(I){if(H.isNumber(I)&&this._elColgroup){var J=this._elColgroup.childNodes[I]||null;this._elColgroup.insertBefore(document.createElement("col"),J);}},_removeColgroupColEl:function(I){if(H.isNumber(I)&&this._elColgroup&&this._elColgroup.childNodes[I]){this._elColgroup.removeChild(this._elColgroup.childNodes[I]);}},_reorderColgroupColEl:function(K,J){if(H.isArray(K)&&H.isNumber(J)&&this._elColgroup&&(this._elColgroup.childNodes.length>K[K.length-1])){var I,M=[];for(I=K.length-1;I>-1;I--){M.push(this._elColgroup.removeChild(this._elColgroup.childNodes[K[I]]));}var L=this._elColgroup.childNodes[J]||null;for(I=M.length-1;I>-1;I--){this._elColgroup.insertBefore(M[I],L);}}},_destroyTheadEl:function(){var J=this._elThead;if(J){var I=J.parentNode;G.purgeElement(J,true);this._destroyColumnHelpers();I.removeChild(J);this._elThead=null;}},_initTheadEl:function(S){S=S||this._elTable;if(S){this._destroyTheadEl();var N=(this._elColgroup)?S.insertBefore(document.createElement("thead"),this._elColgroup.nextSibling):S.appendChild(document.createElement("thead"));G.addListener(N,"focus",this._onTheadFocus,this);G.addListener(N,"keydown",this._onTheadKeydown,this);G.addListener(N,"mouseover",this._onTableMouseover,this);G.addListener(N,"mouseout",this._onTableMouseout,this);G.addListener(N,"mousedown",this._onTableMousedown,this);G.addListener(N,"mouseup",this._onTableMouseup,this);G.addListener(N,"click",this._onTheadClick,this);var U=this._oColumnSet,Q,O,M,K;var T=U.tree;var L;for(O=0;O<T.length;O++){var J=N.appendChild(document.createElement("tr"));for(M=0;M<T[O].length;M++){Q=T[O][M];L=J.appendChild(document.createElement("th"));this._initThEl(L,Q);}if(O===0){C.addClass(J,D.CLASS_FIRST);}if(O===(T.length-1)){C.addClass(J,D.CLASS_LAST);}}var I=U.headers[0]||[];for(O=0;O<I.length;O++){C.addClass(C.get(this.getId()+"-th-"+I[O]),D.CLASS_FIRST);}var P=U.headers[U.headers.length-1]||[];for(O=0;O<P.length;O++){C.addClass(C.get(this.getId()+"-th-"+P[O]),D.CLASS_LAST);}if(B.webkit&&B.webkit<420){var R=this;setTimeout(function(){N.style.display="";},0);N.style.display="none";}this._elThead=N;this._initColumnHelpers();}},_initThEl:function(M,L){M.id=this.getId()+"-th-"+L.getSanitizedKey();M.innerHTML="";M.rowSpan=L.getRowspan();M.colSpan=L.getColspan();L._elTh=M;var I=M.appendChild(document.createElement("div"));I.id=M.id+"-liner";I.className=D.CLASS_LINER;L._elThLiner=I;var J=I.appendChild(document.createElement("span"));J.className=D.CLASS_LABEL;if(L.abbr){M.abbr=L.abbr;}if(L.hidden){this._clearMinWidth(L);}M.className=this._getColumnClassNames(L);if(L.width&&!this._bDynStylesFallback){var K=(L.minWidth&&(L.width<L.minWidth))?L.minWidth:L.width;this._setColumnWidthDynStyles(L,K+"px","hidden");}this.formatTheadCell(J,L,this.get("sortedBy"));L._elThLabel=J;},formatTheadCell:function(I,M,K){var Q=M.getKey();var P=H.isValue(M.label)?M.label:Q;if(M.sortable){var N=this.getColumnSortDir(M,K);var J=(N===D.CLASS_DESC);if(K&&(M.key===K.key)){J=!(K.dir===D.CLASS_DESC);}var L=this.getId()+"-href-"+M.getSanitizedKey();var O=(J)?this.get("MSG_SORTDESC"):this.get("MSG_SORTASC");I.innerHTML='<a href="'+L+'" title="'+O+'" class="'+D.CLASS_SORTABLE+'">'+P+"</a>";}else{I.innerHTML=P;}},_destroyDraggableColumns:function(){var K,L;for(var J=0,I=this._oColumnSet.tree[0].length;J<I;J++){K=this._oColumnSet.tree[0][J];if(K._dd){K._dd=K._dd.unreg();C.removeClass(K.getThEl(),D.CLASS_DRAGGABLE);}}},_initDraggableColumns:function(){this._destroyDraggableColumns();if(A.DD){var L,M,J;for(var K=0,I=this._oColumnSet.tree[0].length;K<I;K++){L=this._oColumnSet.tree[0][K];M=L.getThEl();C.addClass(M,D.CLASS_DRAGGABLE);J=D._initColumnDragTargetEl();L._dd=new YAHOO.widget.ColumnDD(this,L,M,J);}}else{}},_destroyResizeableColumns:function(){var J=this._oColumnSet.keys;for(var K=0,I=J.length;K<I;K++){if(J[K]._ddResizer){J[K]._ddResizer=J[K]._ddResizer.unreg();C.removeClass(J[K].getThEl(),D.CLASS_RESIZEABLE);}}},_initResizeableColumns:function(){this._destroyResizeableColumns();if(A.DD){var O,J,M,P,I,Q,L;for(var K=0,N=this._oColumnSet.keys.length;K<N;K++){O=this._oColumnSet.keys[K];if(O.resizeable){J=O.getThEl();C.addClass(J,D.CLASS_RESIZEABLE);M=O.getThLinerEl();P=J.appendChild(document.createElement("div"));P.className=D.CLASS_RESIZERLINER;P.appendChild(M);I=P.appendChild(document.createElement("div"));I.id=J.id+"-resizer";I.className=D.CLASS_RESIZER;O._elResizer=I;Q=D._initColumnResizerProxyEl();O._ddResizer=new YAHOO.util.ColumnResizer(this,O,J,I,Q);L=function(R){G.stopPropagation(R);};G.addListener(I,"click",L);}}}else{}},_destroyColumnHelpers:function(){this._destroyDraggableColumns();this._destroyResizeableColumns();},_initColumnHelpers:function(){if(this.get("draggableColumns")){this._initDraggableColumns();}this._initResizeableColumns();},_destroyTbodyEl:function(){var I=this._elTbody;if(I){var J=I.parentNode;G.purgeElement(I,true);J.removeChild(I);this._elTbody=null;}},_initTbodyEl:function(J){if(J){this._destroyTbodyEl();var I=J.appendChild(document.createElement("tbody"));I.tabIndex=0;I.className=D.CLASS_DATA;G.addListener(I,"focus",this._onTbodyFocus,this);G.addListener(I,"mouseover",this._onTableMouseover,this);