private void loadPanel() {
        Vector<String> generators = new Vector<>();
        for (BaseGenerator g : Character.GENERATORS) {
            generators.add(g.getName());
        }
        Vector<String> classes = new Vector<>();
        for (BaseClass c : Character.CLASSES) {
            classes.add(c.getName());
        }
        Vector<String> races = new Vector<>();
        for (BaseRace r : Character.RACES) {
            races.add(r.getName());
        }
        _generatorBox = new JComboBox(generators);
        _classBox = new JComboBox(classes);
        _raceBox = new JComboBox(races);
        _levelSpinner = new JSpinner(new SpinnerNumberModel(1, 1, 30, 1));
    }