#51, Add experimental bookCollapseSection page param to hide nested sections

7 files changed, 73 insertions, 14 deletions

diff --git a/README.md b/README.md
index 388469b..6e59f90 100644
--- a/README.md
+++ b/README.md
@@ -179,6 +179,9 @@ weight = 10
 # (Optional) Set to mark page as flat section in file-tree menu (if BookMenuBundle not set)
 bookFlatSection = true
 
+# (Optional, Experimental) Set to hide nested sections or pages at that level. Works only with file-tree menu mode
+bookCollapseSection = true
+
 # (Optional) Set true to hide page or section from side menu (if BookMenuBundle not set)
 bookHidden = true
 
@@ -200,11 +203,12 @@ There are few empty partials you can override in `layouts/partials/`
 
 ### Extra Customisation
 
-| File                  | Description                                                                           |
-| --------------------- | ------------------------------------------------------------------------------------- |
-| `static/favicon.png`  | Override default favicon                                                              |
-| `assets/_custom.scss` | Customise or override scss styles                                                     |
-| `assets/_fonts.scss`  | Replace default font with custom fonts (e.g. local files or remote like google fonts) |
+| File                     | Description                                                                           |
+| ------------------------ | ------------------------------------------------------------------------------------- |
+| `static/favicon.png`     | Override default favicon                                                              |
+| `assets/_custom.scss`    | Customise or override scss styles                                                     |
+| `assets/_variables.scss` | Override default SCSS variables                                                       |
+| `assets/_fonts.scss`     | Replace default font with custom fonts (e.g. local files or remote like google fonts) |
 
 ### Hugo Internal Templates
 
diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index da4ac19..32ab022 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -26,7 +26,7 @@ pygmentsCodeFences = true
 
   # (Optional, default none) Set leaf bundle to render as side menu
   # When not specified file structure and weights will be used
-  BookMenuBundle = '/menu'
+  # BookMenuBundle = '/menu'
 
   # (Optional, default docs) Specify section of content to render as menu
   # You can also set value to '*' to render all sections to menu
diff --git a/exampleSite/config.yaml b/exampleSite/config.yaml
index 691af01..8719742 100644
--- a/exampleSite/config.yaml
+++ b/exampleSite/config.yaml
@@ -16,17 +16,17 @@ pygmentsCodeFences: true
 
 params:
   # (Optional, default 6) Set how many table of contents levels to be showed on page.
-  # Use false/off to hide ToC, note that 0 will default to 6 (https://gohugo.io/functions/default/)
+  # Use false to hide ToC, note that 0 will default to 6 (https://gohugo.io/functions/default/)
   # You can also specify this parameter per page in front matter
   BookToC: 3
 
   # (Optional, default none) Set the path to a logo for the book. If the logo is
-  # /static/logo.png then the path would be /logo.png
+  # /static/logo.png then the path would be logo.png
   # BookLogo: /logo.png
 
   # (Optional, default none) Set leaf bundle to render as side menu
   # When not specified file structure and weights will be used
-  BookMenuBundle: /menu
+  # BookMenuBundle: /menu
 
   # (Optional, default docs) Specify section of content to render as menu
   # You can also set value to '*' to render all sections to menu
diff --git a/exampleSite/content/docs/example/table-of-contents/3rd/4th/5th.md b/exampleSite/content/docs/example/table-of-contents/3rd/4th/5th.md
new file mode 100644
index 0000000..d956236
--- /dev/null
+++ b/exampleSite/content/docs/example/table-of-contents/3rd/4th/5th.md
@@ -0,0 +1 @@
+# 5th
diff --git a/exampleSite/content/docs/example/table-of-contents/3rd/4th/_index.md b/exampleSite/content/docs/example/table-of-contents/3rd/4th/_index.md
new file mode 100644
index 0000000..031efc8
--- /dev/null
+++ b/exampleSite/content/docs/example/table-of-contents/3rd/4th/_index.md
@@ -0,0 +1,26 @@
+# Locus fuit caecis
+
+Nefas discordemque domino montes numen tum humili nexilibusque exit, Iove. Quae
+miror esse, scelerisque Melaneus viribus. Miseri laurus. Hoc est proposita me
+ante aliquid, aura inponere candidioribus quidque accendit bella, sumpta.
+Intravit quam erat figentem hunc, motus de fontes parvo tempestate.
+
+    iscsi_virus = pitch(json_in_on(eupViral),
+            northbridge_services_troubleshooting, personal(
+            firmware_rw.trash_rw_crm.device(interactive_gopher_personal,
+            software, -1), megabit, ergonomicsSoftware(cmyk_usb_panel,
+            mips_whitelist_duplex, cpa)));
+    if (5) {
+        managementNetwork += dma - boolean;
+        kilohertz_token = 2;
+        honeypot_affiliate_ergonomics = fiber;
+    }
+    mouseNorthbridge = byte(nybble_xmp_modem.horse_subnet(
+            analogThroughputService * graphicPoint, drop(daw_bit, dnsIntranet),
+            gateway_ospf), repository.domain_key.mouse(serverData(fileNetwork,
+            trim_duplex_file), cellTapeDirect, token_tooltip_mashup(
+            ripcordingMashup)));
+    module_it = honeypot_driver(client_cold_dvr(593902, ripping_frequency) +
+            coreLog.joystick(componentUdpLink), windows_expansion_touchscreen);
+    bashGigabit.external.reality(2, server_hardware_codec.flops.ebookSampling(
+            ciscNavigationBacklink, table + cleanDriver), indexProtocolIsp);
diff --git a/exampleSite/content/docs/example/table-of-contents/3rd/_index.md b/exampleSite/content/docs/example/table-of-contents/3rd/_index.md
new file mode 100644
index 0000000..350b1e8
--- /dev/null
+++ b/exampleSite/content/docs/example/table-of-contents/3rd/_index.md
@@ -0,0 +1,22 @@
+---
+bookCollapseSection: true
+---
+
+# Caput vino delphine in tamen vias
+
+## Cognita laeva illo fracta
+
+Lorem markdownum pavent auras, surgit nunc cingentibus libet **Laomedonque que**
+est. Pastor [An](http://est.org/ire.aspx) arbor filia foedat, ne [fugit
+aliter](http://www.indiciumturbam.org/moramquid.php), per. Helicona illas et
+callida neptem est *Oresitrophos* caput, dentibus est venit. Tenet reddite
+[famuli](http://www.antro-et.net/) praesentem fortibus, quaeque vis foret si
+frondes *gelidos* gravidae circumtulit [inpulit armenta
+nativum](http://incurvasustulit.io/illi-virtute.html).
+
+1. Te at cruciabere vides rubentis manebo
+2. Maturuit in praetemptat ruborem ignara postquam habitasse
+3. Subitarum supplevit quoque fontesque venabula spretis modo
+4. Montis tot est mali quasque gravis
+5. Quinquennem domus arsit ipse
+6. Pellem turis pugnabant locavit
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 }}