Custom Nav (Bootstrap Style)

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Hello.

I'd like to have a nav like:

Desktop:
- Item 1
    - Item 2_1
    - Item 2_2
    - Item 2_3
- Item 3
- Item 4


Mobile (Smartphone/Tablet):
- Item 1
- Item 2
    - Item 2_1
    - Item 2_2
    - Item 2_3
- Item 3
- Item 4


Therefor, I've a Page "Item 2" with the subpages. In the pagetree, Item 2_x are also available as alias under Item 1.
Now I need to get the variable "isAlias()" to give them a special class.


The HTML Should look like:
<ul class="nav navbar-nav navbar-right">
  <li><a href="#">Item 1</a></li>
  <li class="dropdown visible-sm">
    <a href="#" class="dropdown-toggle" data-toggle="dropdown">Item 2 <span class="caret"></span></a>
    <ul class="dropdown-menu" role="menu">
      <li><a href="#">Item 2_1</a></li>
      <li><a href="#">Item 2_2</a></li>
      <li><a href="#">Item 2_3</a></li>
    </ul>
  </li>
  <li  class="hidden-sm active"><a href="#">Item 2_1</a></li>
  <li class="hidden-sm"><a href="#">Item 2_2</a></li>
  <li class="hidden-sm"><a href="#">Item 2_3</a></li>
  <li><a href="#">Item 3</a></li>
  <li><a href="#">Item 4</a></li>


Does anyone has an idea?

 
cmd replied on at Permalink Reply
already solved it in the meantime ;)