@ShowcaseSource
@Override
public Widget onInitialize() {
// Create a Flow Panel
FlowPanel flowPanel = new FlowPanel();
flowPanel.ensureDebugId("cwFlowPanel");
// Add some content to the panel
for (int i = 0; i < 30; i++) {
CheckBox checkbox = new CheckBox(constants.cwFlowPanelItem() + " " + i);
checkbox.addStyleName("cw-FlowPanel-checkBox");