protected void unscheduleAutoSaving(DataFile df) {
Iterator<WeakReference<DataFile>> it = scheduled.iterator();
while (it.hasNext()) {
WeakReference<DataFile> ref = it.next();
if (ref != null) {
DataFile rdf = ref.get();
if (rdf != null) {
if (rdf.equals(df)) {
it.remove();
}
} else {
it.remove();
}
} else {
it.remove();
}
}
}
