/**
* Converts a file to a themed file if possible.
* If there is no corresponding themed file, the original file will be returned.
*
* @param string $path the file to be themed
* @return string the themed file, or the original file if the themed version is not available.
* @throws InvalidConfigException if [[basePath]] is not set
*/
public function applyTo($path)
{
$pathMap = $this->pathMap;
if (empty($pathMap)) {
if (($basePath = $this->getBasePath()) === null) {
throw new InvalidConfigException('The "basePath" property must be set.');
}
$pathMap = [Leaps::$app->getBasePath() => [$basePath]];
}
$path = FileHelper::normalizePath($path);
foreach ($pathMap as $from => $tos) {
$from = FileHelper::normalizePath(Leaps::getAlias($from)) . DIRECTORY_SEPARATOR;
if (strpos($path, $from) === 0) {
$n = strlen($from);
foreach ((array) $tos as $to) {
$to = FileHelper::normalizePath(Leaps::getAlias($to)) . DIRECTORY_SEPARATOR;
$file = $to . substr($path, $n);
if (is_file($file)) {
return $file;
}
}
}
}
return $path;
}
