private void initChildren() { types.clear(); types.addAll(maxMap.getKeys()); Collections.sort(types, Comparators.toStringIgnoreCaseCollator()); removeAllChildren(); for (String key : types) { CompanionTypeNode child = new CompanionTypeNode(key); add(child); } for (CompanionFacade companion : companions) { addCompanion(companion, true); } }