Select select2 = new Select("Select 2");
select2.addItem("Value 1");
form.addField("Select 2", select2);
OptionGroup optionGroup = new OptionGroup("OptionGroup");
optionGroup.setMultiSelect(false);
optionGroup.addItem("Option 1");
optionGroup.addItem("Option 2");
form.addField("Option Group 1", optionGroup);
OptionGroup optionGroup2 = new OptionGroup("OptionGroup");
optionGroup2.setMultiSelect(true);
optionGroup2.addItem("Option 1");
optionGroup2.addItem("Option 2");
form.addField("Option Group 2", optionGroup2);
// TODO could add more different fields
return form;