/**
* @param BundleInterface $bundle
* @param string $adminClassBasename
* @param string $modelClass
* @throws \RuntimeException
*/
public function generate(BundleInterface $bundle, $adminClassBasename, $modelClass)
{
$this->class = sprintf('%s\\Admin\\%s', $bundle->getNamespace(), $adminClassBasename);
$this->file = sprintf('%s/Admin/%s.php', $bundle->getPath(), str_replace('\\', '/', $adminClassBasename));
$parts = explode('\\', $this->class);
if (file_exists($this->file)) {
throw new \RuntimeException(sprintf('Unable to generate the admin class "%s". The file "%s" already exists.', $this->class, realpath($this->file)));
}
$this->renderFile('Admin.php.twig', $this->file, array('classBasename' => array_pop($parts), 'namespace' => implode('\\', $parts), 'fields' => $this->modelManager->getExportFields($modelClass)));
}