public Object backClicked() {
String originalPath = startingPath;
startingPath = NSPathUtilities.stringByDeletingLastPathComponent(startingPath);
startingPath = NSPathUtilities._standardizedPath(startingPath);
if (startingPath.equals("") || (originalPath.equals(startingPath))) {
startingPath = null;
}
if (retrieveFileList() != null) {
startingPath = originalPath;
}
return performParentAction(callbackUpdateAction);
}
