/** Returns the intersection of two enumsets */
public static <E extends Enum<E>> EnumSet<E> intersection(EnumSet<E> s1, EnumSet<E> s2) {
// We have to clone, since retainAll modifies the set
EnumSet<E> s = s1.clone();
s.retainAll(s2);
// I tried coding this for arbitrary sets, but it failed because
// the interface Cloneable does not make sure that the clone-method
// is visible (!)
return (s);
}
private byte[] negotiate(ExtendedNegotiation exneg, TransferCapability tc) {
if (exneg == null) return null;
StorageOptions storageOptions = tc.getStorageOptions();
if (storageOptions != null) return storageOptions.toExtendedNegotiationInformation();
EnumSet<QueryOption> queryOptions = tc.getQueryOptions();
if (queryOptions != null) {
EnumSet<QueryOption> commonOpts = QueryOption.toOptions(exneg);
commonOpts.retainAll(queryOptions);
return QueryOption.toExtendedNegotiationInformation(commonOpts);
}
return null;
}
@Override
public void sceneSelectionChanged(final SceneSelectionChangeEvent event) {
EnumSet<SelectionMode> supportedModes = null;
if (event.getSelectedNodes().isEmpty()) {
supportedModes = EnumSet.of(SelectionMode.OBJECT);
} else {
supportedModes = EnumSet.allOf(SelectionMode.class);
for (final INode node : event.getSelectedNodes()) {
supportedModes.retainAll(node.getSupportedSelectionModes());
}
}
objectSelection.setEnabled(supportedModes.contains(SelectionMode.OBJECT));
faceSelection.setEnabled(supportedModes.contains(SelectionMode.FACE));
edgeSelection.setEnabled(supportedModes.contains(SelectionMode.EDGE));
vertexSelection.setEnabled(supportedModes.contains(SelectionMode.VERTEX));
}