Add categories for posts.

6 files changed, 92 insertions, 19 deletions

diff --git a/_site_build/_includes/post_excerpt.html b/_site_build/_includes/post_excerpt.html
index 461cb55..48e4a1e 100644
--- a/_site_build/_includes/post_excerpt.html
+++ b/_site_build/_includes/post_excerpt.html
@@ -2,6 +2,9 @@
   <header>
     <h1><a href="{{ post.url }}" rel="bookmark" target="_self" title="{{ post.title }}">{{ post.title }}</a></h1>
     <time datetime="{{ post.date | date: '%Y-%m-%d' }}" pubdate>{{ post.date | date: '%A' }} {{ post.date | ordinalize }} {{ post.date | date: '%B, %Y' }}</time>
+    {% if post.categories.size != 0 %}
+    <div class="categories">Posted in {{ post.categories | category_links }}</div>
+    {% endif %}
   </header>
   {{ post.content | truncate }}
 </article>
diff --git a/_site_build/_layouts/category_index.html b/_site_build/_layouts/category_index.html
new file mode 100644
index 0000000..729ff2e
--- /dev/null
+++ b/_site_build/_layouts/category_index.html
@@ -0,0 +1,10 @@
+---
+layout: default
+robots: follow, noindex, noodp, noydir, noarchive
+---
+<section id="category">
+  <h1>{{ page.title }}</h1>
+  {% for post in site.categories[page.category] %}
+    {% include post_excerpt.html %}
+  {% endfor %}
+</section>
diff --git a/_site_build/_layouts/post.html b/_site_build/_layouts/post.html
index e45ca24..61f0d09 100644
--- a/_site_build/_layouts/post.html
+++ b/_site_build/_layouts/post.html
@@ -5,6 +5,9 @@ layout: default
   <header>
     <h1>{{ page.title }}</h1>
     <time datetime="{{ page.date | date: '%Y-%m-%d' }}" pubdate>{{ page.date | date: '%A' }} {{ page.date | ordinalize }} {{ page.date | date: '%B, %Y' }}</time>
+    {% if page.categories.size != 0 %}
+    <div class="categories">Posted in {{ page.categories | category_links }}</div>
+    {% endif %}
   </header>
   {{ content }}
   <footer>
diff --git a/_site_build/_plugins/category_indexes.rb b/_site_build/_plugins/category_indexes.rb
new file mode 100644
index 0000000..10dae02
--- /dev/null
+++ b/_site_build/_plugins/category_indexes.rb
@@ -0,0 +1,63 @@
+module Jekyll
+  # Monkey patch so that both GenerateCategoryIndexes and CategoryFilter have access to this method.
+  class Site
+    # A very simple implementation.
+    def parameterize(string, sep = '-')
+      string.downcase.gsub(/[^a-z0-9\-_]+/, sep)
+    end
+  end
+
+  class CategoryIndex < Page
+    def initialize(site, base, dir, category)
+      @site = site
+      @base = base
+      @dir = dir
+      @name = 'index.html'
+
+      self.process(@name)
+      self.read_yaml(File.join(base, '_layouts'), 'category_index.html')
+      self.data['category'] = category
+
+      title_prefix = site.config['category_title_prefix'] || 'Category: '
+      self.data['title'] = "#{title_prefix}#{category}"
+
+      description_prefix = site.config['category_meta_description_prefix'] || 'Category: '
+      self.data['description'] = "#{description_prefix}#{category}"
+    end
+  end
+
+  class GenerateCategoryIndexes < Generator
+    safe true
+    priority :low
+
+    def generate(site)
+      if site.config['generate_category_indexes'] && site.layouts.key?('category_index')
+        dir = site.config['category_dir'] || 'categories'
+        site.categories.keys.each do |category|
+          write_category_index(site, File.join("/#{dir}", site.parameterize(category)), category)
+        end
+      end
+    end
+
+    def write_category_index(site, dir, category)
+      index = CategoryIndex.new(site, site.source, dir, category)
+      index.render(site.layouts, site.site_payload)
+      index.write(site.dest)
+      site.pages << index
+    end
+  end
+
+  module CategoryFilter
+    def category_links(categories)
+      site = @context.registers[:site]
+      directory = site.config['category_dir'] || 'categories'
+      categories = categories.sort.map do |item|
+        '<a href="/' + directory + '/' + site.parameterize(item) + '/" rel="category tag" target="_self" title="View all posted in ' + item +'">' + item + '</a>'
+      end
+      categories.join(', ')
+    end
+  end
+
+end
+
+Liquid::Template.register_filter(Jekyll::CategoryFilter)
diff --git a/_site_build/css/style.css b/_site_build/css/style.css
index 1c85690..af0f67a 100644
--- a/_site_build/css/style.css
+++ b/_site_build/css/style.css
@@ -159,10 +159,14 @@ h1, h2, h3, h4, h5, h6 {
   padding: 0;
 }
 
-article h1, section#about h1, section#archives h1 {
+article h1, section#about  h1, section#archives h1, section#category > h1 {
   font-size: 1.461538462em; /* 19 / 13 */
 }
 
+section#about h1, section#archives h1, section#category > h1 {
+  margin-bottom: 1em;
+}
+
 article h2, section#about h2, section#archives h2 {
   font-size: 1.1538461538em; /* 15 / 13 */
 }
@@ -206,16 +210,20 @@ article h2, section#about h2, section#archives h2 {
   text-transform: lowercase;
 }
 
-li.prev-article a, li.next-article a {
+article.excerpt {
+  margin-bottom: 2em;
+}
+
+article li.prev-article a, article li.next-article a {
   display: block;
 }
 
-li.prev-article {
+article li.prev-article {
   float: left;
   width: 50%;
 }
 
-li.next-article {
+article li.next-article {
   float: right;
   text-align: right;
   width: 50%;
@@ -230,24 +238,10 @@ article footer nav ul:after {
   visibility: hidden;
 }
 
-article.excerpt {
-  margin-bottom: 2em;
-}
-
-section#archives h1 {
-  margin-bottom: 1em;
-}
-
 section#archives ol {
   list-style-type: disc;
 }
 
-section#archives time {
-  display: inline-block;
-  width: 4em;
-}
-
-
 /* ==|== non-semantic helper classes ======================================== */
 .ir { display: block; border: 0; text-indent: -999em; overflow: hidden; background-color: transparent; background-repeat: no-repeat; text-align: left; direction: ltr; }
 .ir br { display: none; }
diff --git a/_site_build/index.html b/_site_build/index.html
index 7b96318..71a3e34 100644
--- a/_site_build/index.html
+++ b/_site_build/index.html
@@ -3,7 +3,7 @@ layout: default
 title: Home
 robots: follow, noindex, noodp, noydir, noarchive
 ---
-<section id="excerpts">
+<section id="recent-posts">
 {% for post in site.posts limit:site.max_recent_posts %}
   {% include post_excerpt.html %}
 {% endfor %}