toc.html

<div class="bs-sidebar hidden-print affix-top well" role="complementary">
{%- macro draw_toc_for_nav(nav_item_to_draw) %}

{%- for nav_child in nav_item_to_draw.children %}
    <li class="main"><a href="{{ nav_child.url }}">{{ nav_child.title }}</a></li>
    {%- if page_title == nav_child.title%}
    {%- for toc_item in toc %}
        <li class="{% if toc_item.active %}active{% endif %}"><a href="{{ toc_item.url }}">{{ toc_item.title }}</a></li>
    {%- endfor %}
  {%- endif %}
{%- endfor %}

{%- endmacro %}
    <ul class="nav bs-sidenav">
    {%- block search_button %}
    <li class="search_nav">
        <a href="#" data-toggle="modal" data-target="#mkdocs_search_modal">
            <i class="fa fa-search"></i> Search
        </a>
    </li>
    {%- endblock %}
{%- for nav_item in nav %}
    {%- for nav_child in nav_item.children %}
    
        {%- if nav_child.title == page_title %}
          {{ draw_toc_for_nav(nav_item)}}
        {%- endif %}
        {%- if page_title == None %}
            {%- if nav_child.title == 'Architecture' %}
                {{ draw_toc_for_nav(nav_item)}}
            {%- endif %}
        {%- endif %}
        {%- endfor %}
{%- endfor %}
    </ul>
</div>