@Override public void create(final Composite parent, final IEFFormPage page) { fWidget = page.getToolkit().createPropSingleColumnTable(parent, 10, 25); fWidget.viewer.setContentProvider(new ObservableListContentProvider()); fWidget.viewer.setLabelProvider( new LabelProvider(page.getEditor().getAdapterFactory(), fWidget.viewer)); fButtonGroup = new ButtonGroup<>(parent); fButtonGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false)); customizeButtonGroup(fButtonGroup); }