buttonPanel.setLayoutManager(layoutOfButtons);
layoutOfButtons.setColumns("*;*");
layoutOfButtons.setRows("auto");
box.getChildren().add(buttonPanel);
box.onComponentPopulated(facesContext, parent);
final UIButton okButton = (UIButton) CreateComponentUtils.createComponent(
facesContext, UIButton.COMPONENT_TYPE, RendererTypes.BUTTON, "ok");
buttonPanel.getChildren().add(okButton);
FacesUtils.setBindingOrExpression(okButton, Attributes.LABEL, "#{tobagoContext.resourceBundle.datePickerOk}");