Activities page

[DDuarte]

Create page with info (pictures, content, links, whatever) about past and future activities (workshops, talks, etc.)

Initial work:

_activities/workshop_unity3d.yml:

description:
  VolumeZero was the first project of NeCG (hence the name) and the first one to be publicly available back in 2006. It features a set of board games like Go, Virus and Abalone.  
  They were all built using C++, OpenGL and Prolog.
image:
  url: volume0_project_logo_2.png
  title: VolumeZero Logo
  alt: VolumeZero Logo
layout: project
published: true
short:     A set of board games using OpenGL, C++ and Prolog.
title:     VolumeZero
website:   http://paginas.fe.up.pt/~necg/sites/VolumeZeroSite/
website_description:
  You can download them in the following link:
authors: ["Marco Silva", "Susana Vilaça", "Filipe Costa", "Diogo Pinto", "Tomé Duarte", "Mário Freitas", "Fábio Oliveira", "Telmo Couto"]

_layouts/activities.html:

---
layout: base
title: Projects

---
<article class="container" id="content">
  <div class="span16">
    <p>Here you can check most of our projects!</p>
    <p>If the information that we share here doesn’t satisfy your curiosity, please email us and we’ll provide you what is lacking.</p>

    <li id="projects" class="row">
      {% for project in page.projects %}
      <ul class="project col-xs-6 col-md-3-5">
        <a href="{{ site.baseurl }}projects/{{ project[0] }}">
          <b>{{ project[1].title }}</b>
          {% if project[1].image %}
          <img src="{{ project[1].image.url | asset_path }}" title="{{ project[1].image.title }}" alt="{{ project[1].image.alt }}" />
          {% endif %}
          <p>{{ project[1].short }}</p>
        </a>
      </ul>
      {% endfor %}
    </li>
  </div>
</article>

_layouts/activity.html:

---
layout: base

---
<article class="container" id="content">
  {% if page.image %}
  <div class="span5 logo" style="display: inline; float: left; margin-left: 20px; width: 200px">
    <a href="{{ page.website }}">
      <img src="{{ page.image.url | asset_path }}" title="{{ page.image.title }}" alt="{{ page.image.alt }}" style="border: 1px solid #eee;padding: 2px" />
    </a>
  </div>
  {% endif %}

  <div class="span10">
    <h1>{{ page.title }}</h1>
    {{ page.description | simple_format }}

    {% if page.website_description %}
    <br/><br/><p>{{ page.website_description }}</p>
    {% endif %}
    {% if page.website %}
    <div class="website"><a href="{{ page.website }}">{{ page.website }}</a></div>
    {% endif %}
  </div>

  {% if page.authors %}
  <footer>
    <address>
      <br/><br/><p>Project by:<br>
        {% for author in page.authors %}
        <span class="muted"><strong>{{ author }}</strong></span>{% if forloop.last == false %}, {% endif %}
        {% endfor %}
      </p>
    </address>
  </footer>
  {% endif %}
</article>

_layout/base.html:

diff --git a/_layouts/base.html b/_layouts/base.html
index 0013ff2..f6983b5 100644
--- a/_layouts/base.html
+++ b/_layouts/base.html
@@ -38,6 +38,7 @@
             </a>
             <a href="{{ site.baseurl }}" class="home">Home</a>
             <a href="{{ site.baseurl }}projects" class="projects">Projects</a>
+            <a href="{{ site.baseurl }}activities" class="activities">Activities</a>
             <a href="{{ site.baseurl }}members" class="members">Members</a>
             <a href="{{ site.baseurl }}about" class="about">About</a>
         </nav>

_plugins/activities.rb:

module Jekyll
  class ActivitiesIndex < Page
    def initialize(site, base, dir)
      @site = site
      @base = base
      @dir  = dir
      @name = "index.html"

      self.process(@name)
      self.read_yaml(File.join(base, '_layouts'), 'activities.html')
      self.data['activities'] = self.get_activities(site)
    end

    def get_activities(site)
      {}.tap do |activities|
        Dir['_activities/*.yml'].each do |path|
          name   = File.basename(path, '.yml')
          config = YAML.load(File.read(File.join(@base, path)))
          activities[name] = config if config['published']
        end
      end
    end
  end

  class ActivityIndex < Page
    def initialize(site, base, dir, path)
      @site     = site
      @base     = base
      @dir      = dir
      @name     = "index.html"
      self.data = YAML.load(File.read(File.join(@base, path)))

      self.process(@name) if self.data['published']
    end
  end

  class GenerateActivities < Generator
    safe true
    priority :normal

    def generate(site)
      self.write_activities(site)
    end

    # Loops through the list of activity pages and processes each one.
    def write_activities(site)
      if Dir.exists?('_activities')
        Dir.chdir('_activities')
        Dir["*.yml"].each do |path|
          name = File.basename(path, '.yml')
          self.write_activity_index(site, "_activities/#{path}", name)
        end

        Dir.chdir(site.source)
        self.write_activities_index(site)
      end
    end

    def write_activities_index(site)
      activities = ActivitiesIndex.new(site, site.source, "/activities")
      activities.render(site.layouts, site.site_payload)
      activities.write(site.dest)

      site.pages << activities
      site.static_files << activities
    end

    def write_activity_index(site, path, name)
      activity = ActivityIndex.new(site, site.source, "/activities/#{name}", path)

      if activity.data['published']
        activity.render(site.layouts, site.site_payload)
        activity.write(site.dest)

        site.pages << activity
        site.static_files << activity
      end
    end
  end
end

Ref #4