Ext获取editor, 运用grid.getSelectionModel().getCellEditor方法

Ext获取editor, 使用grid.getSelectionModel().getCellEditor方法

1.{...,   2.    renderer:function(value,metadata,record,rowIndex,colIndex,store){   3.        var editor = grid.getSelectionModel().getCellEditor(colIndex,rowIndex);   4.        ...   5.        return value;   6.    }   7.}  

?