Menu - MenuButton

MenuButton groups multiple items in a popup.

menuButton.xhtml
MenuView.java

<h:form>
    <p:growl id="messages" showDetail="true"/>

    <p:menuButton value="Options">
        <p:menuitem value="Save" action="#{menuView.save}" update="messages" icon="pi pi-save"/>
        <p:menuitem value="Update" action="#{menuView.update}" update="messages" icon="pi pi-refresh"/>
        <p:menuitem value="Delete" action="#{menuView.delete}" ajax="false" icon="pi pi-times"/>
        <p:separator />
        <p:menuitem value="Homepage" url="http://www.primefaces.org" icon="pi pi-home"/>
    </p:menuButton>
</h:form>

@ManagedBean
public class MenuView {

    private MenuModel model;

    @PostConstruct
    public void init() {
        model = new DefaultMenuModel();

        //First submenu
        DefaultSubMenu firstSubmenu = new DefaultSubMenu("Dynamic Submenu");

        DefaultMenuItem item = new DefaultMenuItem("External");
        item.setUrl("http://www.primefaces.org");
        item.setIcon("pi pi-home");
        firstSubmenu.addElement(item);

        model.addElement(firstSubmenu);

        //Second submenu
        DefaultSubMenu secondSubmenu = new DefaultSubMenu("Dynamic Actions");

        item = new DefaultMenuItem("Save");
        item.setIcon("pi pi-save");
        item.setCommand("#{menuView.save}");
        item.setUpdate("messages");
        secondSubmenu.addElement(item);

        item = new DefaultMenuItem("Delete");
        item.setIcon("pi pi-times");
        item.setCommand("#{menuView.delete}");
        item.setAjax(false);
        secondSubmenu.addElement(item);

        item = new DefaultMenuItem("Redirect");
        item.setIcon("pi pi-search");
        item.setCommand("#{menuView.redirect}");
        secondSubmenu.addElement(item);

        model.addElement(secondSubmenu);
    }

    public MenuModel getModel() {
        return model;
    }

    public void save() {
        addMessage("Success", "Data saved");
    }

    public void update() {
        addMessage("Success", "Data updated");
    }

    public void delete() {
        addMessage("Success", "Data deleted");
    }

    public void addMessage(String summary, String detail) {
        FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_INFO, summary, detail);
        FacesContext.getCurrentInstance().addMessage(null, message);
    }
}