 import spark.events.GridSelectionEvent;
 import spark.events.GridSelectionEventKind;
 
-
 use namespace mx_internal;
 
 //--------------------------------------

    mx_internal function createEditor():DataGridEditor
    {
        return new DataGridEditor(this);    
    }
    
    //--------------------------------------------------------------------------

    /**
     *  @private
     */
    protected function columnHeaderBar_clickHandler(event:GridEvent):void
    {
        const column:GridColumn = event.column;
        if (!enabled || !sortableColumns || !column || !column.sortable)
            return;
    
        const columnIndices:Vector.<int> = Vector.<int>([column.columnIndex]);
        
        if (sortByColumns(columnIndices))
            columnHeaderBar.visibleSortIndicatorIndices = columnIndices;
    }
    
    /**
     *  @private
     */
    protected function separator_mouseDownHandler(event:GridEvent):void
    {
        const column:GridColumn = event.column;
