From b367e110b639ab707e848d1d6de70bb094cd0edd Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Mon, 1 Aug 2016 00:08:22 +0800
Subject: Update to support slideOptions in the YAML metadata

---
 lib/models/note.js     | 2 ++
 lib/response.js        | 1 +
 public/js/slide.js     | 5 ++++-
 public/views/slide.ejs | 2 ++
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/models/note.js b/lib/models/note.js
index 5ee5c7de..05babb42 100644
--- a/lib/models/note.js
+++ b/lib/models/note.js
@@ -237,6 +237,8 @@ module.exports = function (sequelize, DataTypes) {
                         _meta.robots = meta.robots;
                     if (meta.GA && (typeof meta.GA == "string" || typeof meta.GA == "number"))
                         _meta.GA = meta.GA;
+                    if (meta.slideOptions && (typeof meta.slideOptions == "object"))
+                        _meta.slideOptions = meta.slideOptions;
                 }
                 return _meta; 
             }
diff --git a/lib/response.js b/lib/response.js
index 1a6d1137..9df2ee9f 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -555,6 +555,7 @@ function showPublishSlide(req, res, next) {
                 title: title,
                 description: meta.description,
                 slides: slides,
+                slideOptions: JSON.stringify(meta.slideOptions || {}),
                 GA: meta.GA,
                 useCDN: config.usecdn
             };
diff --git a/public/js/slide.js b/public/js/slide.js
index 074e4df9..996610fb 100644
--- a/public/js/slide.js
+++ b/public/js/slide.js
@@ -44,10 +44,13 @@ var defaultOptions = {
     dependencies: deps
 };
 
+// options from yaml meta
+var options = JSON.parse($("#options").text());
+
 // options from URL query string
 var queryOptions = Reveal.getQueryHash() || {};
 
-var options = extend(defaultOptions, queryOptions);
+var options = extend(defaultOptions, options, queryOptions);
 Reveal.initialize(options);
 
 viewAjaxCallback = function () {
diff --git a/public/views/slide.ejs b/public/views/slide.ejs
index b8ec00ff..5817a200 100644
--- a/public/views/slide.ejs
+++ b/public/views/slide.ejs
@@ -50,6 +50,8 @@
             <div class="slides"><%- slides %></div>
         </div>
 
+        <div id="options" class="hidden"><%- slideOptions %></div>
+
         <script type="text/x-mathjax-config">
             MathJax.Hub.Config({ messageStyle: "none", skipStartupTypeset: true ,tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']], processEscapes: true }});
         </script>
-- 
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