@Override public void initialize() { mainPanel = Panels.content(""); mainPanel.setHeaderVisible(false); Label label = new Label(I18N.CONSTANTS.projectCoreSelectVersion()); mainPanel.add(label); amendmentsComboBox1 = new ComboBox<AmendmentDTO>(); amendmentsComboBox1.setStore(new ListStore<AmendmentDTO>()); amendmentsComboBox1.setDisplayField("name"); amendmentsComboBox1.setTriggerAction(ComboBox.TriggerAction.ALL); amendmentsComboBox2 = new ComboBox<AmendmentDTO>(); amendmentsComboBox2.setStore(new ListStore<AmendmentDTO>()); amendmentsComboBox2.setDisplayField("name"); amendmentsComboBox2.setTriggerAction(ComboBox.TriggerAction.ALL); final LayoutContainer container = Layouts.hBox(HBoxLayoutAlign.TOP); container.add(amendmentsComboBox1, Layouts.hBoxData(Margin.LEFT)); container.add(amendmentsComboBox2, Layouts.hBoxData(Margin.LEFT)); projectFields = buildGrid(); mainPanel.setScrollMode(Scroll.AUTO); mainPanel.add(container); mainPanel.add(projectFields); initPopup(mainPanel); }