module Webgen::Tag::Langbar

Generates a list with all the languages of the page.

Public Class Methods

call(tag, body, context) click to toggle source

Return a rendering of the list of all translations of the content node.

# File lib/webgen/tag/langbar.rb, line 11
def self.call(tag, body, context)
  context.website.ext.item_tracker.add(context.dest_node, :nodes,
                                       ['Webgen::Tag::Langbar', 'node_translations'],
                                       context.content_node.alcn, :meta_info)
  nodes = node_translations(context.website, context.content_node.alcn)

  if context[:config]['tag.langbar.show_single_lang'] || nodes.length > 1
    context[:nodes] = nodes.
      reject {|n| (context.content_node.lang == n.lang && !context[:config]['tag.langbar.show_own_lang'])}.
      sort {|a, b| a.lang <=> b.lang}
    Webgen::Tag.render_tag_template(context, 'langbar')
  else
    ''
  end
end

node_translations(website, node_alcn) click to toggle source

Generate the list of node translations given the options.

This method is invoked by Webgen::ItemTracker::NodeList to retrieve the translations nodes when necessary.

# File lib/webgen/tag/langbar.rb, line 31
def self.node_translations(website, node_alcn)
  website.tree.translations(website.tree[node_alcn])
end