VerticalPanel verticalPanel = new VerticalPanel();
HorizontalPanel wholePackageRadioButtonPanel = new HorizontalPanel();
wholePackageRadioButtonPanel.add( wholePackageRadioButton );
wholePackageRadioButtonPanel.add( new InfoPopup( constants.BuildWholePackage(),
constants.BuildWholePackageTip() ) );
verticalPanel.add( wholePackageRadioButtonPanel );
HorizontalPanel builtInSelectorRadioButtonPanel = new HorizontalPanel();
builtInSelectorRadioButtonPanel.add( builtInSelectorRadioButton );
builtInSelectorRadioButtonPanel.add( new InfoPopup( constants.BuiltInSelector(),
constants.BuiltInSelectorTip() ) );
verticalPanel.add( builtInSelectorRadioButtonPanel );
HorizontalPanel customSelectorRadioButtonPanel = new HorizontalPanel();
customSelectorRadioButtonPanel.add( customSelectorRadioButton );
customSelectorRadioButtonPanel.add( new InfoPopup( constants.CustomSelector(),
constants.SelectorTip() ) );
verticalPanel.add( customSelectorRadioButtonPanel );
layout.addAttribute( "",
verticalPanel );