/**
* @param form_persistentdocument_field $field
* @param integer $parentNodeId
* @throws form_FormException When $field is not inside a form
* @throws form_FieldAlreadyExistsException When the name of $field is not available
*/
public function checkFieldNameAvailable($field, $parentNodeId)
{
$fieldName = $field->getFieldName();
$parent = DocumentHelper::getDocumentInstance($parentNodeId);
if ($parent instanceof form_persistentdocument_baseform) {
$form = $parent;
} else {
$form = $this->getAncestorFormByDocument($parent);
if ($form === null) {
throw new form_FormException("Field \"" . $field->__toString() . "\" is not inside a form.");
}
}
$query = $this->getPersistentProvider()->createQuery('modules_form/field');
$query->add(Restrictions::descendentOf($form->getId()));
$query->add(Restrictions::eq('fieldName', $fieldName));
$result = $query->findUnique();
if ($result !== null && $result->getId() != $field->getId()) {
throw new form_FieldAlreadyExistsException(f_Locale::translate('&modules.form.bo.errors.Field-name-alreay-used;', array('fieldName' => $fieldName)));
}
}
/**
* @param form_persistentdocument_field $document
* @return void
* @throws form_FieldLockedException
*/
protected function preUpdate($document)
{
if ($document->getIsLocked() && $document->isPropertyModified("fieldName")) {
throw new form_FieldLockedException("Cannot update the field name of a locked field: " . $document->__toString() . " " . $document->getFieldName());
}
}
