chore: add bottom nav to BSD

3 files changed, 89 insertions, 2 deletions

diff --git a/layouts/_default/list.html b/layouts/_default/list.html
index a7b0668..f106a52 100644
--- a/layouts/_default/list.html
+++ b/layouts/_default/list.html
@@ -2,6 +2,9 @@
 
 {{if .Page.Content}}
   {{ .Page.Content }}
+{{- if .Params.primary_menu  }}
+{{ partial "single/bottom_nav.html" (dict "menuID" .Page.Params.primary_menu "page" .) }}
+{{- end }}
 {{ else }}
   {{ if in .Page.Params.Categories "blog" }}
       {{ partial "partials/blog_index.html" . }}
diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index 1efacb3..0ac881c 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -39,5 +39,7 @@
              <a href="{{ .RelPermalink }}">{{ or .Page.Params.shortname .Page.Name }}</a> &rarr;
       {{ end }}
     {{ end }}
-{{ end }}
-
+{{- if .Params.primary_menu  }}
+{{ partial "single/bottom_nav.html" (dict "menuID" .Page.Params.primary_menu "page" .) }}
+{{- end }}
+{{- end }}
diff --git a/layouts/partials/single/bottom_nav.html b/layouts/partials/single/bottom_nav.html
new file mode 100644
index 0000000..88dbf9c
--- /dev/null
+++ b/layouts/partials/single/bottom_nav.html
@@ -0,0 +1,82 @@
+<hr>
+{{- $page := .page }}
+{{- $menuID := cast.ToString .menuID  }}
+
+{{- if $menuID }}
+  {{- with index site.Menus $menuID }}
+    {{- partial "inline/single/walk.html" (dict "page" $page "menuEntries" . ) }}
+  {{- end }}
+{{- end }}
+
+{{- partial "inline/single/up.html" (dict "page" $page ) }}
+
+{{- define "partials/inline/single/walk.html" }}
+  {{- $page := .page }}
+  {{- $found := false }}
+
+<!-- Check if current entries contain current page -->
+  {{- range .menuEntries }}
+    {{- if $page.IsMenuCurrent .Menu . }}
+      {{- $found = . }}
+    {{- end }}
+  {{- end }}
+
+{{ if eq $found false}}
+<!-- current page not found, go to next levels -->
+  {{- range .menuEntries }}
+    {{- with .Children }}
+      {{- partial "inline/single/walk.html" (dict "page" $page "menuEntries" . )  }}
+    {{- end }}
+  {{- end }}
+{{- else }}
+<!-- current page found -->
+
+{{ $found_weight := $found.Weight  }}
+{{ $found_url := $found.URL  }}
+
+<!-- search for prev page -->
+{{- range (where
+  (where
+    (where
+      (where
+        .menuEntries
+      "Params.placeholder" "ne" true)
+    "Params.nonpage" "ne" true)
+  "URL" "ne" $found_url)
+"Weight" "le" $found_weight) | last 1 }}
+
+  Prev: <a href="{{.URL}}">{{ .Name }}</a>,
+{{- end }}
+
+<!-- search for next page -->
+{{- range (where
+  (where
+    (where
+      (where
+        .menuEntries
+      "Params.placeholder" "ne" true)
+    "Params.nonpage" "ne" true)
+  "URL" "ne" $found_url)
+"Weight" "gt" $found_weight) | first 1 }}
+  Next: <a href="{{.URL}}">{{ .Name }}</a>,
+{{- end }}
+
+{{- end }}
+
+{{- end }}
+
+{{- define "partials/inline/single/up.html" }}
+  {{- $page := .page }}
+  {{- $nearest := true }}
+  Up:
+   {{- range $page.Ancestors }}
+     {{- if .LinkTitle}}
+       {{- if $nearest}}
+         <a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>
+         {{- $nearest = false }}
+       {{- else}}
+         [<a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a>]
+       {{- end }}
+     {{- end }}
+   {{- end }}
+{{- end }}