Sha256: a6c88921a2db076e0e1ebc6e5d4199067f15c28e51bb94dd8f705aa268610ab1
Contents?: true
Size: 1.27 KB
Versions: 19
Compression:
Stored size: 1.27 KB
Contents
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 || !content.present?
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|
if $~
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
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
19 entries across 19 versions & 2 rubygems