how to create a submenu under Extra

Question

HI ive got the following question, now we have a menu bar above the page containing a vew items. Underneeth extra i need a submenu item. How can i realize that ? here are some part the codes.

 

    public class PortalMenuItemList: List<PortalMenuItem>
    {
        private PortalMenuItem _Owner = null;

        public PortalMenuItemList(PortalMenuItem menuItem)
        {
            _Owner = menuItem;
        }

        public new void Add(PortalMenuItem menuItem)
        {
            if(menuItem.Parent!=null)
                menuItem.Parent.Children.Remove(menuItem);

            base.Add(menuItem);
            menuItem.Parent = this._Owner;
        }

        /*
        public PortalMenuItem GetCommandByName(string commandName)
        {
            foreach(PortalCommand command in this)
            {
                PortalCommand temp = command.GetCommandByName(commandName);
                if (temp != null)
                    return temp;
            }

            return null;
        }*/
    }
}

 

public class PortalMenuItem
{
    public string Target;
    private PortalMenuItemList _Children;

    public PortalMenuItem()
    {
        Visible = true;
        _Children = new PortalMenuItemList(this);
    }

    public string Title { get; set; }
    public PortalMenuItem Parent { get; set; }
    public string Command { get; set; }
    public string Class { get; set; }
    public bool Visible { get; set; }
    public Dictionary<string, string> CommandArguments { get; set; }

    public PortalMenuItemList Children { get { return _Children; } }
}

 

public override void InitMenu()
{
    if (UserLoggedIn)
    {
        var features = new Features(User);
        switch (User.loginType)
        {
            case UserLoginType.User:
                AddMenuItem(new PortalMenuItem
                {
                    Command = ApplicationCommands.UserPhoneManagement,
                    Title = "Mijn Toestel",
                    Class = "phone",
                    Visible = (features.CallingDeliveryBlock || features.DoNotDisturb || features.CallForwardingAlways),
                    CommandArguments = new Dictionary<string, string>
                    {
                        {"userId", User.username}
                    }
                });

                AddMenuItem(new PortalMenuItem
                {
                    Command = ApplicationCommands.ReceptionistView,
                    Title = "Receptionist",
                    Class = "contacts",
                    Visible = features.Receptionist && (AuthorizeUser(User.username, null, ServicePacks.DeanReceptionistEnterprise) || AuthorizeUser(User.username, null, ServicePacks.DeanReceptionistSmallBusiness)),
                    Target = "_blank"
                });

                AddMenuItem(new PortalMenuItem
                {
                    Command = ApplicationCommands.HelpPage,
                    Title = "Help",
                    Class = "help",
                    Visible = true
                });
                break;

            case UserLoginType.Group:
            case UserLoginType.Partner:
            case UserLoginType.DeanOne:
                AddMenuItem(new PortalMenuItem
                {
                    Command = ApplicationCommands.UsersView,
                    Title = "Gebruikers",
                    Class = "phone",
                    Visible = features.ReadUsers
                });

                AddMenuItem(new PortalMenuItem
                {
                    Command = ApplicationCommands.AutoAttendantsView,
                    Title = "Keuzemenu",
                    Class = "help",
                    Visible = features.AutoAttendentBasic
                });

                AddMenuItem(new PortalMenuItem
                {
                    Command = ApplicationCommands.ExtraSettings,
                    Title = "Extra",
                    Class = "balloon",
                });
                break;
        }
    }
}

// Topmenu.aspx

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="TopMenu.ascx.cs" Inherits="OneXS.Orion.FrontOffice.Compleet.Portal.Controls.Topmenu" %>
<%@ Import Namespace="OneXS.Orion.FrontOffice.Compleet.PortalBase" %>
<%
    if (Repeater1.Items.Count != 0)
    {%>
<div id="main_menu_wrap">
    <div class="main_menu">
        <ul>
            <asp:Repeater ID="Repeater1" runat="server" EnableViewState="false">
                <ItemTemplate>
                    <asp:PlaceHolder ID="PlaceHolder1" runat="server" Visible="<%# (Container.DataItem as PortalMenuItem).Visible %>">
                        <li class="<%# ComputeCssClass(Container.DataItem as PortalMenuItem) %>">
                            <a href="<%#ComputeMenuitemDocumentUrl(Container.DataItem as PortalMenuItem)%>"
                                title="<%#(Container.DataItem as PortalMenuItem).Title %>" target="<%#(Container.DataItem as PortalMenuItem).Target %>">
                                <span class="icon icon-24 <%#(Container.DataItem as PortalMenuItem).Class %>"></span>
                                <span class="label"><%# ComputeMenuItemTitle(Container.DataItem as PortalMenuItem)%></span></a></li>
                    </asp:PlaceHolder>
                </ItemTemplate>
            </asp:Repeater>
        </ul>
    </div>
</div>
<% } %>