Iterator e = fActions.values().iterator();
while (e.hasNext()) {
Object next = e.next();
if (next instanceof MergeViewerAction) {
MergeViewerAction action = (MergeViewerAction) next;
action.update();
}
if (next instanceof FindReplaceAction) {
FindReplaceAction action = (FindReplaceAction) next;
action.update();
}