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Show dataobjects in dropdown menu

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He guys,

I have a dropdown menu and want to show some dataobject elements in the submenu in SS2.4, like this way:

=== Menu1 (Page) === Menu2 (Page) === Menu3 (Page)
------Submenu1 (menuelement extends DataObject)
------Submenu2 (menuelement extends DataObject)

class Menu1Page extends Page{
static $has_many = array( "Submenus" => "Submenu" );
[Code for the DataObject Manager]
}

class Submenu extends DataObject{
static $db = array(
"Title" => 'Varchar(255)'
);
}

html:
<ul>
<% control Menu(1) %>
<li>
<a href="$Link">Submenu</a>
<% if Children %>
<ul class="submenu">[ code for submenu ]</ul>
<% end_if %>

<% if Submenus %>
<% control Submenus %>
<ul class="submenu"><li>$Title</li></ul>
<% end_control %>
<% end_if %>
</li>
<% end_control %>
</ul>

I can´t figure out, how to get the DataObjects in that menu. I think you must set the dataobject in the menu-function, but I don´t know how.
Can anyone give me a hint?


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