Ephigenia/franklin

<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
        <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
        </button>
        <a class="navbar-brand" href="./" rel="home">Franklin</a>
    </div>

    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
        <ul class="nav navbar-nav">
            <?php 
            
            // only show the first 4 groups and the rest as a dropdown
            // if there are to many options
            $maxShownGroupsCount = 4;
            $firstGroups = array_slice($groups, 0, $maxShownGroupsCount - 1);
            $dropdownGroups = array_slice($groups, $maxShownGroupsCount - 1);

            foreach($firstGroups as $TestGroup) { 
                echo $this->element('groupMenuItem', array(
                    'TestGroup' => $TestGroup,
                ));
            }

            // show remaining groups
            if (!empty($dropdownGroups)) { ?>

            <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown">mehr … <b class="caret"></b></a>
                <ul class="dropdown-menu">
                <?php
                foreach($dropdownGroups as $TestGroup) {
                    echo $this->element('groupMenuItem', array(
                        'TestGroup' => $TestGroup,
                    ));
                } ?>
                </ul>
            </li>

            <?php } ?>
        </ul>
    </div>
</nav>