public RendererOptions() {
this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
renderers.addItem("Parallel");
renderers.addItem("Serial");
renderers.addActionListener(actionProvider.actionDelegate());
renderers.setSelectedItem("Parallel");
JPanel upper = new JPanel();
upper.add(new LabeledItem("Render:", renderers));
this.add(upper);
}
public void addActionListener(ActionListener l) {
actionProvider.addActionListener(l);
}