From 94c8230e1e15a2170a3cb9c38a2f0da95a3e50ea Mon Sep 17 00:00:00 2001
From: Alex Shpak <alex-shpak@users.noreply.github.com>
Date: Tue, 14 Apr 2020 22:56:31 +0200
Subject: #197, Use RelPermalink to identify nested pages in collapsed menu

---
 layouts/partials/docs/menu-filetree.html | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'layouts/partials/docs')

diff --git a/layouts/partials/docs/menu-filetree.html b/layouts/partials/docs/menu-filetree.html
index 489a62f..4233a07 100644
--- a/layouts/partials/docs/menu-filetree.html
+++ b/layouts/partials/docs/menu-filetree.html
@@ -8,10 +8,11 @@
 {{ end }}
 
 {{ define "book-section-children" }}{{/* (dict "Section" .Section "CurrentPage" .CurrentPage) */}}
-  {{ $ancestor := .Section.IsAncestor .CurrentPage }}
+  {{ $self := eq .CurrentPage .Section }}
+  {{ $ancestor := strings.HasPrefix .CurrentPage.RelPermalink .Section.RelPermalink }}
   {{ $collapsed := .Section.Params.bookCollapseSection }}
 
-  {{ if or $ancestor (not $collapsed) }}
+  {{ if or $self $ancestor (not $collapsed) }}
   <ul>
     {{ range (where .Section.Pages "Params.bookhidden" "ne" true) }}
       {{ if .IsSection }}
@@ -33,7 +34,7 @@
   {{ if .Page.Content }}
     <a href="{{ .Page.RelPermalink }}" class="
         {{- if and .Page.Params.bookCollapseSection .Page.IsSection }}collapsed {{ end }}
-        {{- if eq .CurrentPage.RelPermalink .Page.RelPermalink }}active{{ end }}">
+        {{- if eq .CurrentPage .Page }}active{{ end }}">
       {{- partial "docs/title" .Page -}}
     </a>
   {{ else }}
-- 
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