From ca7489756976e32184237adf0394249f722bfa04 Mon Sep 17 00:00:00 2001
From: kristi <kristi.dev@gmail.com>
Date: Thu, 10 May 2012 00:26:22 -0700
Subject: [PATCH] Add header_hashtag feature option: headers display a link
 icon when moused over so you can jump to sections Move anchor processing into
 markup.rb Use dashes for spaces in the anchor hashtag

---
 .../frontend/public/gollum/css/template.css     |  2 +-
 lib/gollum/frontend/templates/page.mustache     |  2 +-
 lib/gollum/markup.rb                            | 11 ++++++++++-
 lib/gollum/page.rb                              |  1 -
 lib/gollum/toc.rb                               | 17 +----------------
 lib/gollum/wiki.rb                              |  5 +++++
 6 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/lib/gollum/frontend/public/gollum/css/template.css b/lib/gollum/frontend/public/gollum/css/template.css
index 3ee75697..f77de707 100644
--- a/lib/gollum/frontend/public/gollum/css/template.css
+++ b/lib/gollum/frontend/public/gollum/css/template.css
@@ -73,7 +73,7 @@ a.absent {
 .markdown-body h4:hover a.anchor,
 .markdown-body h5:hover a.anchor,
 .markdown-body h6:hover a.anchor {
-  background: url('/images/para.png') no-repeat 10px center;
+  background: url('/images/para.png') no-repeat center center;
   text-decoration: none;
 }
 .markdown-body h1 tt,
diff --git a/lib/gollum/frontend/templates/page.mustache b/lib/gollum/frontend/templates/page.mustache
index f43969db..cac436e5 100644
--- a/lib/gollum/frontend/templates/page.mustache
+++ b/lib/gollum/frontend/templates/page.mustache
@@ -18,7 +18,7 @@
   </ul>
 </div>
 <div id="wiki-content">
-<div class="wrap{{#has_footer}} has-footer{{/has_footer}}{{#has_sidebar}} has-rightbar{{/has_sidebar}}{{#has_toc}} has-toc{{/has_toc}}">
+<div class="{{#has_header}}has-header{{/has_header}}{{#has_footer}} has-footer{{/has_footer}}{{#has_sidebar}} has-rightbar{{/has_sidebar}}{{#has_toc}} has-toc{{/has_toc}}">
   {{#has_toc}}
   <div id="wiki-toc-main" class="gollum-{{sidebar_format}}-content">
     <h2>Table of contents</h2>
diff --git a/lib/gollum/markup.rb b/lib/gollum/markup.rb
index 06463be7..f838c550 100644
--- a/lib/gollum/markup.rb
+++ b/lib/gollum/markup.rb
@@ -53,9 +53,18 @@ module Gollum
       end
       data = process_tags(data)
       data = process_code(data, encoding)
-      if sanitize || block_given?
+      if sanitize || block_given? || @wiki.header_anchors || @wiki.universal_toc
         doc  = Nokogiri::HTML::DocumentFragment.parse(data)
         doc  = sanitize.clean_node!(doc) if sanitize
+        
+        doc.css('h1,h2,h3,h4,h5,h6').each do |h|
+          link = CGI::escape(h.content.gsub(' ','-'))
+          anchor = Nokogiri::XML::Node.new('a', doc)
+          anchor['class'] = 'anchor'
+          anchor['id'] = link
+          anchor['href'] = '#' + link
+          h.child.before(anchor)
+        end if @wiki.header_anchors || @wiki.universal_toc
         yield doc if block_given?
         data = doc.to_html
       end
diff --git a/lib/gollum/page.rb b/lib/gollum/page.rb
index 10716dd8..909eb31b 100644
--- a/lib/gollum/page.rb
+++ b/lib/gollum/page.rb
@@ -180,7 +180,6 @@ module Gollum
       formatted_data if @doc == nil
       toc = Toc.new(@doc)
       if (toc_content = toc.generate)
-        toc.insert_anchors
         toc.generate.to_xhtml(:save_with => Nokogiri::XML::Node::SaveOptions::AS_XHTML)
       end
     end
diff --git a/lib/gollum/toc.rb b/lib/gollum/toc.rb
index 136218e6..0b748377 100644
--- a/lib/gollum/toc.rb
+++ b/lib/gollum/toc.rb
@@ -35,28 +35,13 @@ module Gollum
       flatten_to_lvl(lvl, 0)
     end
     
-    # Escape title string for use in ID attribute
-    #
-    # title - Title string
-    #
-    # Returns string  
-    def insert_anchors
-      find_headings.each do |h|
-        rep_h = Nokogiri::XML::Node.new('a', @doc)
-        rep_h['class'] = 'wiki-toc-anchor'
-        rep_h['id'] = anchor_id(h.content)
-        rep_h.add_child(h.clone)
-        h.replace(rep_h)
-      end
-    end
-    
     # Escape title string for use in ID attribute
     #
     # title - Title string
     #
     # Returns string  
     def anchor_id (title)
-      CGI::escape(title)
+      CGI::escape(title.gsub(' ','-'))
     end
     
     # Convert heading into list element
diff --git a/lib/gollum/wiki.rb b/lib/gollum/wiki.rb
index 9c065c9a..8daf4e57 100644
--- a/lib/gollum/wiki.rb
+++ b/lib/gollum/wiki.rb
@@ -134,6 +134,7 @@ module Gollum
     #           site.
     # options - Optional Hash:
     #           :universal_toc - Display table of contents on all pages.  Default: false
+    #           :header_hashtags - Show links to headers.  Default: true
     #           :base_path     - String base path for all Wiki links.
     #                            Default: "/"
     #           :page_class    - The page Class. Default: Gollum::Page
@@ -166,6 +167,7 @@ module Gollum
       @history_sanitization = options[:history_sanitization] ||
         self.class.history_sanitization
       @universal_toc = options[:universal_toc] || false
+      @header_hashtags = options[:header_hashtags] || true
     end
 
     # Public: check whether the wiki's git repo exists on the filesystem.
@@ -532,6 +534,9 @@ module Gollum
     # Toggles display of universal table of contents
     attr_reader :universal_toc
 
+    # Create hashtag link for headers to jump to sections
+    attr_reader :header_hashtags
+
     # Normalize the data.
     #
     # data - The String data to be normalized.