private function renderRadio(Radio $element)
{
$label = $this->getView()->translate($element->getLabel());
$result = '<div class="zui-field-group">';
$result .= '<span class="zui-form-label">' . $this->getView()->escapeHtml($label) . '</span>';
$result .= '<div class="zui-field-group-inner">';
foreach ($element->getValueOptions() as $key => $value) {
$id = uniqid('zui', false);
$result .= '<div>';
if ($element->getValue() == $key) {
$checked = ' checked="checked"';
} else {
$checked = '';
}
$result .= sprintf('<input type="radio" name="%s" id="%s" value="%s"%s>', $this->getView()->escapeHtmlAttr($element->getName()), $this->getView()->escapeHtmlAttr($id), $this->getView()->escapeHtmlAttr($key), $checked);
$result .= '<label for="' . $id . '">' . $this->getView()->escapeHtml($value) . '</label>';
$result .= '</div>';
}
$result .= '</div>';
$result .= $this->getView()->zourceFormDescription($element);
$result .= $this->getView()->formElementErrors($element);
$result .= '</div>';
return $result . '</fieldset>';
}