/**
* Get a field, creating it if necessary.
* @param $fieldName string
* @param $schemaPlugin string
* @return object Field
*/
function &buildField($fieldName, $schemaPluginName)
{
$field =& $this->getFieldByName($fieldName, $schemaPluginName);
if (!$field) {
$schemaDao = DAORegistry::getDAO('SchemaDAO');
$schema =& $schemaDao->buildSchema($schemaPluginName);
$field = new Field();
$field->setName($fieldName);
$field->setSchemaId($schema->getSchemaId());
$plugin =& $field->getSchemaPlugin();
if (!$plugin) {
fatalError('Unknown schema plugin "' . $schemaPlugin . '"!');
}
if (!in_array($fieldName, $plugin->getFieldList())) {
// This field doesn't actually exist -- return null.
unset($field);
$field = null;
return $field;
}
$this->insertField($field);
}
return $field;
}
