Extract a mixin partial.

doc-src/content/reference/blueprint.haml

@@ -8,19 +8,4 @@
 
 = render "partials/reference/imports"
 
-%h2 Mixins
+= render "partials/reference/mixins"
-
-- mixins(@item).each do |mixin|
-  %a.view-source{:href=>"#", :onclick => "$('#mixin-source-#{mixin.name}').dialog('open'); return false;"} View Source
-  %h3.mixin{:id=>"mixin-#{mixin.name}"}
-    %a.permalink{:href => "#mixin-#{mixin.name}"}= mixin_signature mixin
-
-  .source-documentation= format_doc(mixin.comment)
-  - render 'dialog', :title => "Source for +#{mixin.name}", :id => "mixin-source-#{mixin.name}" do
-    %pre.source-code.sass= mixin.to_sass
-
-- content_for :footer do
-  :javascript
-    $(function(){
-      $('.ui-dialog').dialog({hide: true, modal: true, autoOpen: false, width: 400});
-    });

doc-src/layouts/dialog.haml

@@ -1 +1 @@
-.ui-dialog{:style => "display: none;", :id => @id, :title => @title}= yield
+.ui-dialog{(@html || {}).merge(:style => "display: none;")}= yield

doc-src/layouts/partials/reference/mixins.haml

@@ -0,0 +1,16 @@
+- if (mixin_defs = mixins(@item)).any?
+  %h2 Mixins
+
+  - mixin_defs.each do |mixin|
+    %a.view-source{:href=>"#", :onclick => "$('#mixin-source-#{mixin.name}').dialog('open'); return false;"} View Source
+    %h3.mixin{:id=>"mixin-#{mixin.name}"}
+      %a.permalink{:href => "#mixin-#{mixin.name}"}= mixin_signature mixin
+
+    .source-documentation= format_doc(mixin.comment)
+    = mixin_source_dialog(mixin) do
+      %pre.source-code.sass= mixin.to_sass
+
+    :javascript
+      $(function(){
+        $('.ui-dialog.mixin').dialog({hide: true, modal: true, autoOpen: false, width: 400});
+      });

doc-src/layouts/partials/reference/mixins.yaml

@@ -0,0 +1 @@
+--- {}

doc-src/lib/stylesheets.rb

@@ -48,10 +48,41 @@ def mixins(item)
   mixins
 end
 
+def constants(item)
+  sass_tree = tree(item)
+  constants = []
+  comment = nil
+  sass_tree.children.each do |child|
+    if child.is_a?(Sass::Tree::VariableNode)
+      child.comment = comment
+      comment = nil
+      constants << child
+    elsif child.is_a?(Sass::Tree::CommentNode)
+      comment ||= ""
+      comment << "\n" unless comment.empty?
+      comment << child.docstring
+    else
+      comment = nil
+    end
+  end
+  constants
+end
+
 def mixin_signature(mixin)
   mixin.sass_signature(:include)
 end
 
+def mixin_source_dialog(mixin, &block)
+  vars = {
+    :html => {
+      :id => "mixin-source-#{mixin.name}",
+      :class => "mixin",
+      :title => "Source for +#{mixin.name}"
+    }
+  }
+  render 'dialog', vars, &block
+end
+
 def format_doc(docstring)
   RDiscount.new(docstring).to_html
 end