Contents

# -*- encoding : utf-8 -*-
format :html do
  view :open_content do |args|
    content = _render_core args
    table_of_contents(content) || content
  end

  def table_of_contents(content)
    return if @mode==:closed
    min = card.rule(:table_of_contents).to_i
    #warn "table_of #{name}, #{min}"
    return unless min and min > 0

    toc, dep = [], 1
    content.gsub!( /<(h\d)>(.*?)<\/h\d>/i ) do |match|
      tag, value = $~[1,2]
      value = ActionView::Base.new.strip_tags(value).strip
      next if value.empty?
      item = { :value => value, :uri => URI.escape(value) }
      case tag.downcase
      when 'h1'
        item[:depth] = dep = 1; toc << item
      when 'h2'
        toc << []  if dep == 1
        item[:depth] = dep = 2; toc.last << item
      end
      %{<a name="#{item[:uri]}"></a>#{match}}
    end

    if toc.flatten.length >= min
      content.replace %{ <div class="table-of-contents"> <h5>Table of Contents</h5> } +
        make_table_of_contents_list(toc) + '</div>'+ content
    end
  end


  def make_table_of_contents_list(items)
    list = items.collect do |i|
      Array === i ? make_table_of_contents_list(i) : %{<li><a href="##{i[:uri]}"> #{i[:value]}</a></li>}
    end.join("\n")
    "<ol>" + list + "</ol>"
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
wagn-1.12.13	mods/standard/sets/type/basic.rb
wagn-1.12.12	mods/standard/sets/type/basic.rb
wagn-1.12.11	mods/standard/sets/type/basic.rb
wagn-1.12.10	mods/standard/sets/type/basic.rb
wagn-1.12.9	mods/standard/sets/type/basic.rb
wagn-1.12.8	mods/standard/sets/type/basic.rb
wagn-1.12.7	mods/standard/sets/type/basic.rb