SiLeBAT/FSK-Lab

{% for sidebar in site.data.sidebar.entries %}
{% if sidebar.name == page.sidebar %}
    {% for item in sidebar.items %}
        {% if page.url contains item.url %}
            {% assign active_item = item %}
        {% endif %}
        {% for subitem in item.subitems %}
            {% if page.url contains subitem.url %}
                {% assign active_item = item %}
                {% assign active_subitem = subitem %}
            {% endif %}
        {% endfor %}
    {% endfor %}
    <div class="panel-group" id="sidebar">
    {% for id in (1..sidebar.items.size) %}
        {% assign i = id | minus: 1 %}
        {% assign item = sidebar.items[i] %}
        <div class="panel panel-default">
        {% if item.url %}
            <div class="panel-heading{% if item == active_item %} active{% endif %}">
            <h4 class="panel-title">
            <a href="{{ item.url }}">{{ item.title }}</a>
            </h4>
            </div>
        {% else %}
            <div class="panel-heading">
            <h4 class="panel-title">
            <a data-toggle="collapse" data-parent="#sidebar" href="{{ '#' | append: id }}">{{ item.title }}</a>
            </h4>
            </div>
            <div id="{{ id }}" class="panel-collapse collapse {% if item == active_item %}in{% endif %}">
            <div class="list-group">
            {% for subitem in item.subitems %}
                <a class="list-group-item{% if subitem == active_subitem %} active{% endif %}" href="{{ subitem.url }}">{{ subitem.title }}</a>
            {% endfor %}
            </div>
            </div>
        {% endif %}
        </div>
    {% endfor %}
    </div>
{% endif %}
{% endfor %}