protected function _copyAssets($source)
{
$sources = array($this->_source_dir . '/_assets', dirname(__FILE__) . '/../_assets', $source);
foreach ($sources as $source_dir) {
$dir = realpath($source_dir);
if (empty($dir)) {
continue;
}
Helper_FileSys::copyDir($dir, $this->_output_dir, array('level' => 1));
}
}
