From be81ee22ecc1af1db6d24a44109594d30461d8c9 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Sun, 14 Aug 2016 15:02:05 +0800
Subject: Update slide mode, now respect all meta settings and update default
 styles

---
 lib/response.js        |  2 +-
 public/css/slide.css   | 13 ++++++++++++-
 public/js/slide.js     | 24 +++++++++++++++++++++++-
 public/views/slide.ejs |  2 +-
 4 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/lib/response.js b/lib/response.js
index 9df2ee9f..5c5798c8 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -555,7 +555,7 @@ function showPublishSlide(req, res, next) {
                 title: title,
                 description: meta.description,
                 slides: slides,
-                slideOptions: JSON.stringify(meta.slideOptions || {}),
+                meta: JSON.stringify(obj.meta || {}),
                 GA: meta.GA,
                 useCDN: config.usecdn
             };
diff --git a/public/css/slide.css b/public/css/slide.css
index 195981b3..40bb6ea1 100644
--- a/public/css/slide.css
+++ b/public/css/slide.css
@@ -252,4 +252,15 @@ pre.mermaid > svg {
 .reveal .slides > section,
 .reveal .slides > section > section {
     transform-style: flat;
-}
\ No newline at end of file
+}
+
+.reveal.rtl .slides,
+.reveal.rtl .slides h1,
+.reveal.rtl .slides h2,
+.reveal.rtl .slides h3,
+.reveal.rtl .slides h4,
+.reveal.rtl .slides h5,
+.reveal.rtl .slides h6 {
+	direction: rtl;
+	font-family: inherit;
+}
diff --git a/public/js/slide.js b/public/js/slide.js
index 996610fb..fe3cb1e8 100644
--- a/public/js/slide.js
+++ b/public/js/slide.js
@@ -45,7 +45,29 @@ var defaultOptions = {
 };
 
 // options from yaml meta
-var options = JSON.parse($("#options").text());
+var meta = JSON.parse($("#meta").text());
+var options = meta.slideOptions || {};
+
+var view = $('.reveal');
+
+//text language
+if (meta.lang && typeof meta.lang == "string") {
+    view.attr('lang', meta.lang);
+} else {
+    view.removeAttr('lang');
+}
+//text direction
+if (meta.dir && typeof meta.dir == "string" && meta.dir == "rtl") {
+    options.rtl = true;
+} else {
+    options.rtl = false;
+}
+//breaks
+if (typeof meta.breaks === 'boolean' && !meta.breaks) {
+    md.options.breaks = false;
+} else {
+    md.options.breaks = true;
+}
 
 // options from URL query string
 var queryOptions = Reveal.getQueryHash() || {};
diff --git a/public/views/slide.ejs b/public/views/slide.ejs
index 5817a200..8a8fbae0 100644
--- a/public/views/slide.ejs
+++ b/public/views/slide.ejs
@@ -50,7 +50,7 @@
             <div class="slides"><%- slides %></div>
         </div>
 
-        <div id="options" class="hidden"><%- slideOptions %></div>
+        <div id="meta" style="display: none;"><%- meta %></div>
 
         <script type="text/x-mathjax-config">
             MathJax.Hub.Config({ messageStyle: "none", skipStartupTypeset: true ,tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']], processEscapes: true }});
-- 
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