public FixedHorizontalPanelSamplePane() {
FixedHorizontalPanel fhp = new FixedHorizontalPanel();
DOM.setStyleAttribute(fhp.getElement(), "borderBottom", "1px solid blue");
fhp.addWidget(createContent("width: 70px", "#CCFFCC", "BLUE"), new HorizontalLayoutData().setWidth("70px"));
Widget content = createContent("width: 50%", "#FFFBA3", "GREEN");
content.setVisible(true);
fhp.addWidget(content, new HorizontalLayoutData().setWidth("50%"));
fhp.addWidget(createContent("width: *", "#FFC0CB", "black"));
fhp.addWidget(createContent("width: 50px", "#E6E6FA", "yellow"), new HorizontalLayoutData("50px"));
fhp.addWidget(createContent("width: *", "orange", "cyan"));
FitPanel panel = new FitPanel();
panel.setSize("100%", "400px");