Package assets (#1493)

* Package static assets
* Fixed cancel button in editor
* Fix rake compilation task
* Add asset path helper
* Serve MathJax statically
* Fix mathjax in preview

lib/gollum/app.rb

@@ -91,8 +91,9 @@ module Precious
       @mathjax_config = settings.wiki_options[:mathjax_config]
 
       @use_static_assets = settings.wiki_options.fetch(:static, settings.environment == :production || settings.environment == :staging)
-      @static_assets_path = settings.wiki_options.fetch(:static_assets_path, './public/assets')
-
+      @static_assets_path = settings.wiki_options.fetch(:static_assets_path, ::File.join(File.dirname(__FILE__), 'public/assets'))
+      @mathjax_path = ::File.join(File.dirname(__FILE__), 'public/gollum/javascript/MathJax')
+      
       Sprockets::Helpers.configure do |config|
         config.environment = settings.sprockets
         config.environment.context_class.class_variable_set(:@@base_url, @base_url)
@@ -110,14 +111,17 @@ module Precious
     end
 
     namespace '/gollum' do
+      
+      get '/assets/mathjax/*' do
+        env['PATH_INFO'].sub!("/gollum/assets/mathjax", '')
+        Rack::Static.new(not_found_proc, {:root => @mathjax_path, :urls => ['']}).call(env)
+      end
 
       get '/assets/*' do
         env['PATH_INFO'].sub!("/#{Precious::Assets::ASSET_URL}", '')
         if @use_static_assets
           env['PATH_INFO'].sub!(Sprockets::Helpers.prefix, '') if @base_url
-          not_found_msg = 'Not found.'
-          not_found = Proc.new {[404, {'Content-Type' => 'text/html', 'Content-Length' => not_found_msg.length.to_s}, [not_found_msg]]}
-          Rack::Static.new(not_found, {:root => @static_assets_path, :urls => ['']}).call(env)
+          Rack::Static.new(not_found_proc, {:root => @static_assets_path, :urls => ['']}).call(env)
         else
           settings.sprockets.call(env)
         end
@@ -168,6 +172,7 @@ module Precious
           if page = wikip.page
               @page         = page
               @content      = page.text_data
+              @mathjax      = wiki.mathjax
               @etag         = page.sha
               mustache :edit
           else
@@ -381,7 +386,6 @@ module Precious
         end
         @content       = @page.formatted_data
         @toc_content   = wiki.universal_toc ? @page.toc_data : nil
-        @mathjax       = wiki.mathjax
         @h1_title      = wiki.h1_title
         @editable      = false
         @bar_side      = wiki.bar_side

lib/gollum/assets.rb

@@ -2,7 +2,7 @@ require 'octicons'
 
 module Precious
   module Assets
-    MANIFEST = %w(app.js editor.js app.css criticmarkup.css fileview.css ie7.css print.css *.png *.jpg *.svg *.eot *.ttf *.woff *.woff2)
+    MANIFEST = %w(app.js editor.js app.css criticmarkup.css fileview.css ie7.css print.css *.png *.jpg *.svg *.eot *.ttf)
     ASSET_URL = 'gollum/assets'
     
     def self.sprockets(dir = File.dirname(File.expand_path(__FILE__)))

lib/gollum/helpers.rb

@@ -33,7 +33,12 @@ module Precious
       status 404
       return mustache :error
     end
-
+    
+    def not_found_proc
+      not_found_msg = 'Not found.'
+      Proc.new {[404, {'Content-Type' => 'text/html', 'Content-Length' => not_found_msg.length.to_s}, [not_found_msg]]}
+    end
+    
     def emoji(name)
       if emoji = Gemojione.index.find_by_name(name)
         IO.read(EMOJI_PATHNAME.join("#{emoji['unicode'].downcase}.png"))

lib/gollum/public/assets/criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css

@@ -0,0 +1 @@
+.criticmarkup mark{background-color:#fffd38;text-decoration:none}.criticmarkup del{background-color:#f6a9a9;text-decoration:line-through}.criticmarkup ins{background-color:#a9f6a9;text-decoration:none}.criticmarkup ins.break{display:block;line-height:2px;padding:0 !important;margin:0 !important}.criticmarkup ins.break span{line-height:1.5em}.criticmarkup .popover{background-color:#fffd38;color:#000}.criticmarkup .critic.comment{display:none}.criticmarkup .popover:hover span.critic.comment{display:block;position:absolute;width:200px;left:30%;font-size:0.8em;color:#ccc;background-color:#333;z-index:10;padding:0.5em 1em;border-radius:0.5em}

lib/gollum/public/assets/print-c70ea78d9c87a4546733a2f2288fbf1f93fa8510890ac73cac6db8a784e27429.css

@@ -0,0 +1 @@
+ul.actions{display:none}#delete-link{display:none}div#footer{display:none}

lib/gollum/public/gollum/javascript/HOWTO_UPDATE_MATHJAX.md

@@ -28,10 +28,14 @@ offline with latex equations without bloating the gollum release tarball.
 6. Slimify mathjax
 
       cd MathJax-x.y.z && grunt && cd ..
+      
+7. Remove old mathjax (careful!)
 
-7. Replace bundled mathjax with newly generated one
+     rm -rf ${GOLLUM_ROOT}/lib/gollum/public/gollum/javascript/MathJax
 
-      cp MathJax-x.y.z ${GOLLUM_ROOT}/lib/gollum/public/gollum/javascript
+8. Replace bundled mathjax with newly generated one
 
-8. Update mathjax version in ${GOLLUM_ROOT}/lib/gollum/templates/layout.mustache
+      cp MathJax-x.y.z ${GOLLUM_ROOT}/lib/gollum/public/gollum/javascript/MathJax
+
+9. Update mathjax version in ${GOLLUM_ROOT}/lib/gollum/templates/layout.mustache