final OptionGroup context = new OptionGroup("Context");
context.addItem("Main window");
context.addItem("ExpandLayout");
context.addItem("Subwindow");
context.addItem("Panel");
context.addItem("Split Panel");
context.addItem("TabSheet");
context.addItem("Accordion");
context.setValue("Main window");
final OptionGroup testComponent = new OptionGroup(