Lister::formatRow PHP Method

    public function formatRow()
    {
        $this->hook('formatRow');
    }

 function formatRow()
 {
     parent::formatRow();
     $this->odd_even = $this->odd_even == 'odd' ? 'even' : 'odd';
     $this->current_row['odd_even'] = $this->odd_even;
 }