code: function (editorData) {
      
          var cal, container = editorData.inputContainer;
          
          if (Lang.isUndefined(Calendar)) {
              Dom.replaceClass(editorData.editorPanel,'ygtv-edit-DateNode','ygtv-edit-TextNode');
              YAHOO.widget.DateNode.superclass.fillEditorContainer.call(this, editorData);
              return;
          }
              
          if (editorData.nodeType != this._type) {
              editorData.nodeType = this._type;
              editorData.saveOnEnter = false;
              
              editorData.node.destroyEditorContents(editorData);
  
              editorData.inputObject = cal = new Calendar(container.appendChild(document.createElement('div')));
              if (this.calendarConfig) { 
                  cal.cfg.applyConfig(this.calendarConfig,true); 
                  cal.cfg.fireQueue();
              }
              cal.selectEvent.subscribe(function () {
                  this.tree._closeEditor(true);
              },this,true);
          } else {
              cal = editorData.inputObject;
          }
  
  		editorData.oldValue = this.label;
          cal.cfg.setProperty("selected",this.label, false); 
  
          var delim = cal.cfg.getProperty('DATE_FIELD_DELIMITER');
          var pageDate = this.label.split(delim);
          cal.cfg.setProperty('pagedate',pageDate[cal.cfg.getProperty('MDY_MONTH_POSITION') -1] + delim + pageDate[cal.cfg.getProperty('MDY_YEAR_POSITION') -1]);
          cal.cfg.fireQueue();
  
          cal.render();
          cal.oDomContainer.focus();
      }
docs: If YAHOO.widget.Calendar is available, it will pop up a Calendar to enter a new date.  Otherwise, it falls back to a plain &lt;input&gt;  textbox
  @method fillEditorContainer
  @param editorData {YAHOO.widget.TreeView.editorData}  a shortcut to the static object holding editing information
  @return void