Remove livepreview

bin/gollum

@@ -105,12 +105,6 @@ MSG
   opts.on("--no-edit", "Disable the feature of editing pages.")  do
     wiki_options[:allow_editing] = false
   end
-  opts.on("--live-preview", "Enable the live preview feature in page editor.") do
-    wiki_options[:live_preview] = true
-  end
-  opts.on("--no-live-preview", "Disable the live preview feature in page editor.") do
-    wiki_options[:live_preview] = false
-  end
   opts.on("--allow-uploads [MODE]", [:dir, :page], "Enable file uploads.",
     "If set to 'dir', Gollum will store all uploads in the '<git-repo>/uploads/' directory.",
     "If set to 'page', Gollum will store each upload at the currently edited page.") do |mode|

lib/gollum/app.rb

@@ -160,18 +160,10 @@ def wiki_new
       wiki = wikip.wiki
       @allow_uploads = wiki.allow_uploads
       if page = wikip.page
-        if wiki.live_preview && page.format.to_s.include?('markdown') && supported_useragent?(request.user_agent)
-          live_preview_url = '/livepreview/?page=' + encodeURIComponent(@name)
-          if @path
-            live_preview_url << '&path=' + encodeURIComponent(@path)
-          end
-          redirect to(live_preview_url)
-        else
           @page         = page
           @page.version = wiki.repo.log(wiki.ref, @page.path).first
           @content      = page.text_data
           mustache :edit
-        end
       else
         redirect to("/create/#{encodeURIComponent(@name)}")
       end
@@ -394,12 +386,6 @@ def wiki_new
       mustache :page
     end
 
-    get '/livepreview/' do
-      wiki = wiki_new
-      @mathjax = wiki.mathjax
-      mustache :livepreview, { :layout => false }
-    end
-
     get '/history/*' do
       @page     = wiki_page(params[:splat].first).page
       @page_num = [params[:page].to_i, 1].max