@Override
public void execute() {
location = link.getBendpoints().get(index);
link.getBendpoints().remove(index);
link.forceRefresh();
}
@Override
public void undo() {
link.getBendpoints().add(index, location);
}
@Override
public boolean canExecute() {
return (link != null) && (link.getBendpoints().size() > index);
}