From e2188136e102ca7790f0b9e5efec65b49face6f1 Mon Sep 17 00:00:00 2001
From: Alex Shpak <alex-shpak@users.noreply.github.com>
Date: Wed, 9 Oct 2019 01:00:26 +0200
Subject: #51, Add experimental bookCollapseSection page param to hide nested
 sections

---
 layouts/partials/docs/menu-filetree.html | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'layouts/partials/docs/menu-filetree.html')

diff --git a/layouts/partials/docs/menu-filetree.html b/layouts/partials/docs/menu-filetree.html
index c8dd86b..c917828 100644
--- a/layouts/partials/docs/menu-filetree.html
+++ b/layouts/partials/docs/menu-filetree.html
@@ -11,19 +11,19 @@
 {{/* If there is only one section to render then render its children, else render all sections */}}
 {{ if eq (len $sections) 1 }} 
   {{ with index $sections 0 }}
-    {{ template "book-section-children" (dict "Section" . "CurrentPage" $.Permalink) }}
+    {{ template "book-section-children" (dict "Section" . "CurrentPage" $) }}
   {{ end }}
 {{ else }}
   <ul>
   {{ range where $sections "Params.bookhidden" "!=" true }}
-    {{ template "book-section" (dict "Section" . "CurrentPage" $.Permalink) }}
+    {{ template "book-section" (dict "Section" . "CurrentPage" $) }}
   {{ end }}
   </ul>
 {{ end }}
 
 {{ define "book-section" }}
 {{ with .Section }}
-  <li {{ if .Params.BookFlatSection}} class="book-section-flat" {{ end }}>
+  <li {{ if .Params.BookFlatSection }} class="book-section-flat" {{ end }}>
     {{ if .Content }}
       {{ template "book-page-link" (dict "Page" . "CurrentPage" $.CurrentPage) }}
     {{ else }}
@@ -36,7 +36,11 @@
 {{ end }}
 
 {{ define "book-section-children" }}
-{{ with .Section }}
+{{ $ancestor := .Section.IsAncestor .CurrentPage }}
+{{ $collapsed := .Section.Params.bookCollapseSection }}
+
+{{ if or $ancestor (not $collapsed) }}
+  {{ with .Section }}
   <ul>
     {{ range where .Pages "Params.bookhidden" "!=" "true" }}
       {{ if eq .Kind "section" }}
@@ -48,12 +52,14 @@
       {{ end }}
     {{ end }}
   </ul>
+  {{ end }}
 {{ end }}
+
 {{ end }}
 
 {{ define "book-page-link" }}
 {{ with .Page }}
-  <a href="{{ .RelPermalink }}" {{ if eq $.CurrentPage .Permalink }} class="active"{{ end }}>
+  <a href="{{ .RelPermalink }}" {{ if eq $.CurrentPage . }} class="active"{{ end }}>
       {{ partial "docs/title" . }}
   </a>
 {{ end }}
-- 
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