protected function displayContent()
    {
        $count = 1;

        foreach ($this->fields as $field) {
            $odd = $count % 2 === 1;

            ob_start();
            $field->display($this->data, $odd);
            $content = ob_get_clean();

            if ($content != '') {
                echo $content;
                $count++;
            }
        }
    }