article-section-navigator.html

{%- if page.sidebar.nav -%}
  {%- assign _sidebar_nav = site.data.navigation[page.sidebar.nav] -%}
  {%- if _sidebar_nav -%}
    {%- assign _find_cur = false -%}
    {%- assign _find_next = false -%}

    {%- for _item in _sidebar_nav -%}
      {%- if _find_next -%} {%- break -%} {%- endif -%}
      {%- if _item.children -%}

        {%- for _child in _item.children -%}
          {%- include snippets/get-nav-url.html path=_child.url -%}
          {%- assign _nav_url = __return -%}
          {%- include snippets/get-nav-url.html path=page.url -%}
          {%- assign _page_url = __return -%}

          {%- if _nav_url == _page_url -%}
            {%- assign _find_cur = true -%}
          {%- elsif _find_cur and _find_next != true -%}
            {%- assign _find_next = true -%}
            {%- assign _next = _child -%}
            {%- break -%}
          {%- else -%}
            {%- assign _previous = _child -%}
          {%- endif -%}
        {%- endfor -%}

      {%- endif -%}
    {%- endfor -%}
  {%- endif -%}

{%- else -%}
  {%- assign _previous = page.previous -%}
  {%- assign _next = page.next -%}
{%- endif -%}

{%- if _next or _previous -%}
  <div class="article__section-navigator clearfix">
    {%- if _previous -%}
      {%- include snippets/prepend-baseurl.html path=_previous.url -%}
      {%- assign _href = __return -%}
      {%- include snippets/get-locale-string.html key='PREVIOUS' -%}
      {%- assign _locale_previous = __return -%}
      <div class="previous"><span>{{ _locale_previous }}</span><a href="{{ _href }}">{{ _previous.title }}</a></div>
    {%- endif -%}
    {%- if _next -%}
      {%- include snippets/prepend-baseurl.html path=_next.url -%}
      {%- assign _href = __return -%}
      {%- include snippets/get-locale-string.html key='NEXT' -%}
      {%- assign _locale_next = __return -%}
      <div class="next"><span>{{ _locale_next }}</span><a href="{{ _href }}">{{ _next.title }}</a></div>
    {%- endif -%}
  </div>
{%- endif -%}