api ref apply collapsable toc

doc/sphinx/source/_templates/gentree.html

@@ -0,0 +1,6 @@
+{%- extends "layout.html" %}
+{% set title = _('Tree') %}
+{% block body %}
+<h1>{{ _('Tree') }}</h1>
+{{ toctree(includehidden=True, collapse=False, maxdepth=-1) }}
+{% endblock %}

doc/sphinx/source/conf.py

@@ -52,6 +52,10 @@
 
 html_theme = "neo4j"
 html_theme_path = ["themes"]
+html_theme_options = {
+    "sidebar_includehidden": True,
+    "sidebar_collapse": True,
+}
 
 
 # 01-nav.js is a copy of a js file of the same name that is included in the docs-ui bundle
@@ -71,6 +75,11 @@ def setup(app):  # type: ignore
     "networkx": ("https://networkx.org/documentation/stable/", None),
 }
 
+# Additional templates that should be rendered to pages, maps page names to
+# template names.
+html_additional_pages = {"gentree": "gentree.html"}
+
+
 rst_epilog = """
 .. |api-version| replace:: {versionnum}
 """.format(

doc/sphinx/source/index.rst

@@ -9,7 +9,7 @@ Neo4j Graph Data Science Python Client API Reference
 This API reference manual lists all available endpoints in the Neo4j Graph Data Science Python Client |api-version|.
 
 .. toctree::
-   :maxdepth: 1
+   :maxdepth: 2
    :caption: Contents
 
    plugin/index

doc/sphinx/source/themes/neo4j/indexnav.html

@@ -0,0 +1,13 @@
+<div id="indexlinkbox">
+    <h3 id="indexlinklabel">{{ _('Index') }}</h3>
+
+    <div class="indexlinkwrapper nav-menu">
+        <ul>
+            <li class="toctree-l1">
+                <a href="{{ pathto('genindex')|e }}" class="indexlink genindex">
+                    {{ _('Index') }}
+                </a>
+            </li>
+        </ul>
+    </div>
+</div>

doc/sphinx/source/themes/neo4j/navigation.html

@@ -9,6 +9,3 @@
       </div>
     </aside>
 </div>
-
-
-