if (_dirList != null) {
removableDirList = _dirList.getCurrentRemovableDirList();
} else {
removableDirList = null;
}
_dirList = new RootDirectoryItem(prefStore.getString(PreferenceConstants.P_LIBRARY_PATH), removableDirList);
_dirList.scanDirectory();
getEventController().fireLibraryChange(EventConstants.EVT_LIBRARY_DIRECTORY_CHANGE, null, null);
}