public function updateRoundModelToItem(\MUtil_Model_ModelAbstract $model, array &$itemData, $language)
    {
        $this->_ensureRounds();

        // Is this the first token?
        $first  = ! $this->getPreviousRoundId($itemData['gro_id_round'], $itemData['gro_id_order']);

        // Update the current round data
        if (isset($this->_rounds[$itemData['gro_id_round']])) {
            $this->_rounds[$itemData['gro_id_round']] = $itemData + $this->_rounds[$itemData['gro_id_round']];
        } else {
            $this->_rounds[$itemData['gro_id_round']] = $itemData;
        }

        // Default result
        $result = false;

        // VALID AFTER DATE
        
        if (! $this->_sourceUsesSurvey($itemData['gro_valid_after_source'])) {
            $model->del('gro_valid_after_id', 'label');
        } else {
            // Survey list is independent of the actual chosen source, but not
            // vice versa. So we have to set it now.
            $result = $this->applySurveyListValidAfter($model, $itemData) || $result;
        }

        // Set allowed after sources
        $result = $this->_applyOptions($model, 'gro_valid_after_source', $this->getSourceList(true, $first), $itemData) || $result;

        // Set the after date fields that can be chosen for the current values
        $result = $this->applyDatesValidAfter($model, $itemData, $language) || $result;

        // VALID FOR DATE

        // Display used survey only when appropriate
        if (! $this->_sourceUsesSurvey($itemData['gro_valid_for_source'])) {
            $model->del('gro_valid_for_id', 'label');
        } else {
            // Survey list is indepedent of the actual chosen source, but not
            // vice versa. So we have to set it now.
            $result = $this->applySurveyListValidFor($model, $itemData) || $result;
        }

        // Set allowed for sources
        $result = $this->_applyOptions($model, 'gro_valid_for_source', $this->getSourceList(false, $first), $itemData) || $result;

        // Set the for date fields that can be chosen for the current values
        $result = $this->applyDatesValidFor($model, $itemData, $language) || $result;

        // Apply respondent relation settings
        $result = $this->applyRespondentRelation($model, $itemData) || $result;

        return $result;
    }