public List<VirtualFile> gatherPatchFiles(final Collection<VirtualFile> files) {
final List<VirtualFile> result = new ArrayList<VirtualFile>();
final LinkedList<VirtualFile> filesQueue = new LinkedList<VirtualFile>(files);
while (!filesQueue.isEmpty()) {
ProgressManager.checkCanceled();
final VirtualFile file = filesQueue.removeFirst();
if (file.isDirectory()) {
filesQueue.addAll(Arrays.asList(file.getChildren()));
continue;
}
if (PatchFileType.NAME.equals(file.getFileType().getName())) {
result.add(file);
}
}
return result;
}
