protected function loadRoundSettings()
    {
        $rounds = $this->getRoundsListAndSetDefault();
        $model  = $this->getModel();
        $model->set('gto_round_order', 'multiOptions', $rounds, 'size', count($rounds));

        if (count($rounds) === 1) {
            $model->set('gto_round_order', 'elementClass', 'Exhibitor');
        }

        if (! isset($this->formData['gto_round_order'], $rounds[$this->formData['gto_round_order']])) {
            $this->formData['gto_round_order'] = $this->defaultRound;
        }
        if (! isset($rounds[$this->formData['gto_round_order']])) {
            reset($rounds);
            $this->formData['gto_round_order'] = key($rounds);
        }
    }