.asList(set.getElements()));
boolean visible = false;
IAdaptable [] adaptables = new IAdaptable[selectedElements.length];
System.arraycopy(selectedElements, 0, adaptables, 0, selectedElements.length);
adaptables = set.adaptElements(adaptables);
if (adaptables.length > 0 && add) {
for (int k = 0; k < adaptables.length; k++) {
if (!existingElements.contains(adaptables[k])) {
// show if any element is not present in
// addition