private void HandleDoubleClick(object sender, MouseButtonEventArgs e)
{
var grid = sender as DataGrid;
var data = grid.SelectedItem as string[];
_dataModel.HandleItemDoubleClick(data[_dataModel.PathColumnIndex]);
}
/// -----------------------------------------------------------------------------------
/// <summary>
/// override this if you want to handle double-clicked items
/// </summary>
/// -----------------------------------------------------------------------------------
public override void HandleItemDoubleClick(IItemData item)
{
_spreadSheetModel.HandleItemDoubleClick(item.FullName.Replace("(root)/", ""));
}