dropTargets.add(dropTarget); namesToComponentsMap.put(((SComponent)dropTarget).getName(), dropTarget);
if (!dropTargets.contains(dropTarget)) { dropTargets.add(dropTarget); namesToComponentsMap.put(((SComponent)dropTarget).getName(), dropTarget); }
    public void registerDropTarget(DropTarget dropTarget) {        dropTargets.add(dropTarget);        namesToComponentsMap.put(((SComponent)dropTarget).getName(), dropTarget);    }