docs/source/_templates/base.html

{#
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
 distributed with this work for additional information
 regarding copyright ownership.  The ASF licenses this file
 to you under the Apache License, Version 2.0 (the
 "License"); you may not use this file except in compliance
 with the License.  You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing,
 software distributed under the License is distributed on an
 "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 KIND, either express or implied.  See the License for the
 specific language governing permissions and limitations
 under the License.
#}

{% extends "furo/base.html" %}

{% set rel_docs_top = pagename.split('/') | map(attribute='notfound', default='..') | join('/') %}

{% block extrahead %}
<script>
  const currentVersion = "{{ version }}";
  const versionsRoot = "{{ rel_docs_top }}";
</script>
<style>
  #version-switcher {
    background: var(--color-background-primary);
    bottom: 2em;
    box-shadow: 0 .1rem .25rem var(--sd-color-shadow),0 0 .0625rem rgba(0,0,0,.1);
    position: fixed;
    right: 2em;
    z-index: 9999;
  }

  #version-switcher button {
    background-color: var(--sd-color-card-header);
    border: 0;
    color: var(--sd-color-card-text);
    cursor: pointer;
    font-family: var(--font-stack);
    padding: 0.5em;
    width: 100%;
  }

  #version-switcher button::after {
    content: "▼";
  }

  #version-switcher.open button::after {
    content: "▲";
  }

  #version-switcher div.versions {
    height: 0;
    overflow-y: hidden;
    padding: 0 0.5em;
    transition: all 0.2s ease-in;
  }

  #version-switcher.open div.versions {
    height: 8em;
    overflow-y: scroll;
  }

  #version-switcher .active {
    font-weight: bold;
  }
</style>
{% endblock %}

{# Inject skeleton of version switcher #}
{% block body -%}
{{ super() }}
<nav id="version-switcher">
  <button type="button" onclick="document.getElementById('version-switcher').classList.toggle('open')">Version: {{ version }}</button>
  <div class="versions">
    <ul></ul>
  </div>
</nav>
{%- endblock %}

{# Inject relative script - this should resolve to https://arrow.apache.org/adbc/version.js #}
{% block scripts -%}
{{ super() }}
<script async defer src="{{ rel_docs_top }}/version.js"></script>
{%- endblock %}