From 5ee350532b800644216089c83815dc14f7738a2b Mon Sep 17 00:00:00 2001
From: Victor Costa <vfcosta@gmail.com>
Date: Thu, 24 Oct 2013 14:41:03 -0300
Subject: [PATCH] Added a block to display breadcrumbs

---
 plugins/breadcrumbs/lib/breadcrumbs_block.rb  | 40 ++++++++++++++++++++++++++++++++++++++++
 plugins/breadcrumbs/lib/breadcrumbs_plugin.rb | 15 +++++++++++++++
 2 files changed, 55 insertions(+), 0 deletions(-)
 create mode 100644 plugins/breadcrumbs/lib/breadcrumbs_block.rb
 create mode 100644 plugins/breadcrumbs/lib/breadcrumbs_plugin.rb

diff --git a/plugins/breadcrumbs/lib/breadcrumbs_block.rb b/plugins/breadcrumbs/lib/breadcrumbs_block.rb
new file mode 100644
index 0000000..8cbcada
--- /dev/null
+++ b/plugins/breadcrumbs/lib/breadcrumbs_block.rb
@@ -0,0 +1,40 @@
+class BreadcrumbsBlock < Block
+
+  settings_items :show_cms_action, :type => :boolean, :default => true
+  settings_items :show_profile, :type => :boolean, :default => true
+
+  def self.description
+    _('Breadcrumbs')
+  end
+
+  def help
+    _('This block displays breadcrumb trail.')
+  end
+
+  def trail(page, params={})
+    links = []
+    if page
+      links = page.ancestors.reverse.map { |p| { :name => p.title, :url => p.url } }
+      links << { :name => page.title, :url => page.url }
+    elsif params[:controller] == 'cms'
+      id = params[:id] || params[:parent_id]
+      links = trail(Article.find(id)) if id
+      links << { :name => params[:action], :url => params } if show_cms_action
+    end
+    links
+  end
+
+  def content(args={})
+    block = self
+    lambda do
+      trail = block.trail(@page, params)
+      if !trail.empty?
+        trail = [ {:name => @profile.name, :url => @profile.url} ] + trail if block.show_profile
+        trail.map { |t| link_to(t[:name], t[:url], :class => 'item') }.join(content_tag('span', ' > ', :class => 'separator')) 
+      else
+        ''
+      end
+    end
+  end
+
+end
diff --git a/plugins/breadcrumbs/lib/breadcrumbs_plugin.rb b/plugins/breadcrumbs/lib/breadcrumbs_plugin.rb
new file mode 100644
index 0000000..6774c6e
--- /dev/null
+++ b/plugins/breadcrumbs/lib/breadcrumbs_plugin.rb
@@ -0,0 +1,15 @@
+class BreadcrumbsPlugin < Noosfero::Plugin
+
+  def self.plugin_name
+    "BreadcrumbsPlugin"
+  end
+
+  def self.plugin_description
+    _("A plugin that add a block to display breadcrumbs.")
+  end
+  
+  def self.extra_blocks
+    { BreadcrumbsBlock => {} }
+  end
+
+end
--
libgit2 0.21.2