From 6004c7edc3e43e9079cab50b39a2dd395294a22a Mon Sep 17 00:00:00 2001
From: Paul Twohey <twohey@users.noreply.github.com>
Date: Sun, 1 Sep 2019 11:05:34 -0700
Subject: Optional brand logo in the menu controlled by .Site.Params.BookLogo

- documentation in README.md and exampleSite/config.{toml,yaml}
---
 README.md                        |  4 ++++
 assets/book.scss                 |  9 +++++++++
 exampleSite/config.toml          |  4 ++++
 exampleSite/config.yaml          |  6 +++++-
 layouts/partials/docs/brand.html | 11 ++++++++++-
 5 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 76e59d5..2732dca 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,10 @@ disableKinds = ['taxonomy', 'taxonomyTerm']
 # 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
+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'
diff --git a/assets/book.scss b/assets/book.scss
index 5922ab0..6f3a8d1 100644
--- a/assets/book.scss
+++ b/assets/book.scss
@@ -93,6 +93,15 @@ ul.pagination {
 
 .book-brand {
   margin-top: 0;
+
+  img {
+    max-width: 40px;
+    max-height: 40px;
+    vertical-align: middle;
+  }
+  span {
+    margin-left: 0.5rem;
+  }
 }
 
 .book-menu {
diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index ae71adb..dff15bb 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -20,6 +20,10 @@ pygmentsCodeFences = true
   # 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
+  # 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'
diff --git a/exampleSite/config.yaml b/exampleSite/config.yaml
index 59d0ddc..8c6ad8c 100644
--- a/exampleSite/config.yaml
+++ b/exampleSite/config.yaml
@@ -20,6 +20,10 @@ params:
   # 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
+  # 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
@@ -45,6 +49,6 @@ params:
   # - In blog posts
   BookDateFormat: 'Jan 2, 2006'
 
-  # (Optional, default true) Enables search function with lunr.js, 
+  # (Optional, default true) Enables search function with lunr.js,
   # Index is built on fly, therefore it might slowdown your website.
   BookSearch: true
diff --git a/layouts/partials/docs/brand.html b/layouts/partials/docs/brand.html
index 7d7b721..9a74dc0 100644
--- a/layouts/partials/docs/brand.html
+++ b/layouts/partials/docs/brand.html
@@ -1,3 +1,12 @@
 <h2 class="book-brand">
-  <a href="{{ .Site.BaseURL }}">{{ .Site.Title }}</a>
+  <a href="{{ .Site.BaseURL }}">
+    {{- with .Site.Params.BookLogo -}}
+      <img src="{{ . }}" alt="Logo" />
+      <span>
+    {{- end -}}
+    {{ .Site.Title }}
+    {{- with .Site.Params.BookLogo -}}
+      </span>
+    {{- end -}}
+  </a>
 </h2>
-- 
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