<!-- the backlink, title, and categories/chapters bar for ref/tut/lib pages -->

{%- macro nav(sect=None, title=None, root='', tutorial=None, siblings=[]) -%}

{%- set section={'ref':'Reference', 'tut':"Tutorials", 'lib':"Libraries"}[sect] -%}

<nav class="{{sect}}">

<h1><a href="{{root}}../manual.html#{{sect}}">PlotDevice <span>{{section}}</span></a></h1>

{%- if title and title=='plotdevice' -%}

<h3 class="tt">{{title}}</h3>

{%- elif title and sect!='ref' -%}

<h3>{{title.replace('Bezier','Bézier')}}</h3>

{%- endif -%}

{%- if sect=='ref' -%}

{{categories(siblings, title)}}

{{chapters(siblings, ref=title)}}

{%- endif -%}

{%- if tutorial -%}

{{chapters(siblings, tut=tutorial)}}

{%- endif -%}

</nav>

{%- endmacro %}

<!-- the prev/next stepper at the foot of tutorial pages on mobile -->

{%- macro footer(tutorial=None, siblings=[]) -%}

{%- if tutorial -%}

<footer>

{{chapters(siblings, tut=tutorial)}}

</footer>

{%- endif -%}

{%- endmacro %}

<!-- the prev/next stepper in the tuts (as well as refs on mobile) -->

{%- macro chapters(book, ref=None, tut=None) -%}

{%- set title=tut if tut else ref -%}

{%- set chapter="%i"%(book.index(title)+1) if tut in book else ref.replace('+',' &amp; ') if ref else None-%}

{%- set next=book[book.index(title)+1].replace('é','e') if title in book and title!=book[-1] else None -%}

{%- set nextname=next.replace('+',' &amp; ').replace('_',' ').replace('Bezier','Bézier') if next else None -%}

{%- set prev=book[book.index(title)-1].replace('é','e') if title in book and title!=book[0] else None -%}

{%- set prevname=prev.replace('+',' &amp; ').replace('_',' ').replace('Bezier','Bézier') if prev else None -%}

<ul class="chapter">

{% if prev %} <li class="prev"><a href="{{prev}}.html">❮ {{prevname}}</a><a class="stepper" href="{{prev}}.html">❮</a></li> {%- endif -%}

{% if chapter %}<li class="current">{{chapter}}</li> {%- endif -%}

{% if next %} <li class="next"><a href="{{next}}.html">{{nextname}} ❯</a><a class="stepper" href="{{next}}.html">❯</a></li> {%- endif -%}

</ul>

{%- endmacro %}

<!-- the section-names navbar at the top of ref pages -->

{%- macro categories(cats, title) -%}

<ul class="siblings">

{% for sect in cats %}

{%- if sect==title -%}

<li class="active"><h3 style="margin:0;">{{sect.replace('+',' &amp; ').replace('Misc','Misc.').replace('ography','e')}}</h3></li>

{%- else -%}

<li><a href="{{sect}}.html">{{sect.replace('+',' &amp; ').replace('Misc','Misc.').replace('ography','e')}}</a></li>

{%- endif -%}

{%- endfor -%}

</ul>

{%- endmacro %}