From f896f8fbdc8e6dde2150cd43d945bd3a6aebb13a Mon Sep 17 00:00:00 2001
From: Jacques Distler <distler@golem.ph.utexas.edu>
Date: Tue, 13 Feb 2007 03:25:05 -0600
Subject: [PATCH] Added support for @xml:lang and blockquote@cite to Maruku.
 Added Javascript styling for blockquote@cite.

---
 app/views/layouts/default.rhtml               |  2 ++
 public/javascripts/page_helper.js             | 23 +++++++++++++++++++
 public/stylesheets/instiki.css                |  1 +
 .../maruku/lib/maruku/output/to_html.rb       |  6 ++---
 4 files changed, 29 insertions(+), 3 deletions(-)
 create mode 100644 public/javascripts/page_helper.js

diff --git a/app/views/layouts/default.rhtml b/app/views/layouts/default.rhtml
index 6c3a8132..d7b234cd 100644
--- a/app/views/layouts/default.rhtml
+++ b/app/views/layouts/default.rhtml
@@ -15,6 +15,8 @@
   <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
   <meta name="robots" content="<%= @robots_metatag_value %>" />
   
+  <%= javascript_include_tag 'page_helper' %>
+ 
   <style type="text/css">
     h1#pageName, .newWikiWord a, a.existingWikiWord, .newWikiWord a:hover, #TextileHelp h3 { 
       color: #<%= @web ? @web.color : "393" %>; 
diff --git a/public/javascripts/page_helper.js b/public/javascripts/page_helper.js
new file mode 100644
index 00000000..4f4be743
--- /dev/null
+++ b/public/javascripts/page_helper.js
@@ -0,0 +1,23 @@
+/*
+* Based on Simon Willison's blockquotes.js
+*   http://simon.incutio.com/archive/2002/12/20/#blockquoteCitations
+*/
+function extractBlockquoteCitations() {
+  var quotes = document.getElementsByTagName('blockquote');
+  for (i = 0; i < quotes.length; i++) {
+    var cite = quotes[i].getAttribute('cite');
+    if (cite && cite != '') {
+      var newlink = document.createElement('a');
+      newlink.setAttribute('href', cite);
+      newlink.setAttribute('title', cite);
+      newlink.appendChild(document.createTextNode('#'));
+      var newspan = document.createElement('span');
+      newspan.setAttribute('class','blockquotesource');
+      newspan.appendChild(newlink);
+      quotes[i].lastChild.previousSibling.appendChild(newspan);
+    }
+  }
+}
+window.onload = function (){
+        extractBlockquoteCitations();
+};
diff --git a/public/stylesheets/instiki.css b/public/stylesheets/instiki.css
index e2f46c1d..860ffb53 100644
--- a/public/stylesheets/instiki.css
+++ b/public/stylesheets/instiki.css
@@ -336,3 +336,4 @@ merror {display:inline;font-size:1em;}
 math[display=block] {overflow:auto;}
 math { white-space: nowrap }
 .maruku-eq-number {float:right}
+.blockquotesource {margin-left:1em;}
diff --git a/vendor/plugins/maruku/lib/maruku/output/to_html.rb b/vendor/plugins/maruku/lib/maruku/output/to_html.rb
index e3ded8a9..f59e6056 100644
--- a/vendor/plugins/maruku/lib/maruku/output/to_html.rb
+++ b/vendor/plugins/maruku/lib/maruku/output/to_html.rb
@@ -337,11 +337,11 @@ It is copied as a standard HTML attribute.
 	end
 	
 	
-	def to_html_paragraph; add_ws wrap_as_element('p')                end
+	def to_html_paragraph; add_ws wrap_as_element('p', [:'xml:lang'])                end
 	def to_html_ol;        add_ws wrap_as_element('ol')        end
 	def to_html_li;        add_ws wrap_as_element('li')        end
 	def to_html_li_span;   add_ws wrap_as_element('li')        end
-	def to_html_quote;     add_ws wrap_as_element('blockquote')  end
+	def to_html_quote;     add_ws wrap_as_element('blockquote', [:cite, :'xml:lang'])  end
 	def to_html_strong;    wrap_as_element('strong')           end
 	def to_html_emphasis;  wrap_as_element('em')               end
 
@@ -383,7 +383,7 @@ by Maruku, to have the same results in both HTML and LaTeX.
 	
 	def to_html_header
 		element_name = "h#{self.level}" 
-		h = wrap_as_element element_name
+		h = wrap_as_element(element_name, [:title, :'xml:lang'])
 		
 		if span = render_section_number
 			h.insert_before(h.children.first, span)