@Override
public Widget asWidget() {
if (cp == null) {
ExampleResources bundle = GWT.create(ExampleResources.class);
this.style = bundle.style();
this.style.ensureInjected();
cp = new ContentPanel(GWT.<ContentPanelAppearance>create(FramedPanelAppearance.class));
cp.addStyleName("margin-10");
cp.setPixelSize(500, 400);
cp.getBody().getStyle().setBackgroundColor("white");
cp.getBody().addClassName(ThemeStyles.getStyle().border());
con = new CardLayoutContainer();
cp.add(con);
ToggleGroup group = new ToggleGroup();
for (Category cat : Category.values()) {
final ToggleButton btn = new ToggleButton(cat.desc);
btn.setData("cat", cat);
btn.addValueChangeHandler(
new ValueChangeHandler<Boolean>() {
@Override
public void onValueChange(ValueChangeEvent<Boolean> event) {
if (event.getValue() == true) {
onClick((Category) btn.getData("cat"));
}
}
});
group.add(btn);
cp.addButton(btn);
}
ToggleButton normal = (ToggleButton) cp.getButtonBar().getWidget(0);
normal.setValue(true, true);
}
return cp;
}
