Allowing wrapping inside the content of a richtext editor

[rails.git] / lib / rich_text.rb

diff --git a/lib/rich_text.rb b/lib/rich_text.rb
index 9c4a24fd54a11c18e7d50d3b65e8b137e768dc24..87ea58933579e93c043d1ed28adf5f9ac7a0f094 100644 (file)
--- a/lib/rich_text.rb
+++ b/lib/rich_text.rb
@@ -8,7 +8,17 @@ module RichText
     end
   end
 
+  class SimpleFormat
+    include ActionView::Helpers::TextHelper
+
+    def sanitize(text)
+      Sanitize.clean(text, Sanitize::Config::OSM).html_safe
+    end
+  end
+
   class Base < String
+    include ActionView::Helpers::TagHelper
+
     def spam_score
       link_count = 0
       link_size = 0
@@ -26,11 +36,15 @@ module RichText
         link_proportion = 0
       end
 
-      return [link_proportion - 0.2, 0.0].max * 200 + link_count * 20
+      return [link_proportion - 0.2, 0.0].max * 200 + link_count * 40
     end
 
   protected
 
+    def simple_format(text)
+      SimpleFormat.new.simple_format(text)
+    end
+
     def linkify(text)
       if text.html_safe?
         Rinku.auto_link(text, :urls, tag_options(:rel => "nofollow")).html_safe
@@ -41,15 +55,12 @@ module RichText
   end
 
   class HTML < Base
-    include ActionView::Helpers::TextHelper
-    include ActionView::Helpers::TagHelper
-
     def to_html
       linkify(sanitize(simple_format(self)))
     end
 
     def to_text
-      self
+      self.to_s
     end
 
   private
@@ -65,30 +76,42 @@ module RichText
     end
 
     def to_text
-      self
+      self.to_s
     end
 
   private
 
     def html_parser
-      @@html_renderer ||= Redcarpet::Render::XHTML.new({
+      @@html_renderer ||= Renderer.new({
         :filter_html => true, :safe_links_only => true
       })
       @@html_parser ||= Redcarpet::Markdown.new(@@html_renderer, {
         :no_intra_emphasis => true, :autolink => true, :space_after_headers => true
       })
     end
+
+    class Renderer < Redcarpet::Render::XHTML
+      def link(link, title, alt_text)
+        "<a rel=\"nofollow\" href=\"#{link}\">#{alt_text}</a>"
+      end
+
+      def autolink(link, link_type)
+        if link_type == :email
+          "<a rel=\"nofollow\" href=\"mailto:#{link}\">#{link}</a>"
+        else
+          "<a rel=\"nofollow\" href=\"#{link}\">#{link}</a>"
+        end
+      end 
+    end
   end
 
   class Text < Base
-    include ActionView::Helpers::TextHelper
-
     def to_html
       linkify(simple_format(ERB::Util.html_escape(self)))
     end
 
     def to_text
-      self
+      self.to_s
     end
   end
 end