In a post 2+ years ago[1], Nathan discusses creating a helper to
implemented recursively nested output. I am generating a table of
contents from a strict hierarchy of 'page' nodes. Here's what I have
so far:
# In some .rb file somewhere
# page.pages is an array of page items
module Haml::Helpers
def li_pages_for( page )
page.pages.each do |child|
haml_tag :li do
haml_concat child.title
unless child.leaf?
haml_tag :ul do
li_pages_for child
end
end
end
end
end
end
# In my template:
!!! Strict
%html
%head
...
%body
%ul#toc
- li_pages_for toc
This is working well. The only oddity is that I'm initializing the
Haml template with :ugly=>true, but the produced HTML—just for this
helper—is being indented and nested nicely. Do helpers using haml_tag
not honor the :ugly setting?
[1]
http://groups.google.com/group/haml/tree/browse_frm/thread/fc0242990afc0420/a270cc3a0245bda7?rnum=1&q=recursive&_done=%2Fgroup%2Fhaml%2Fbrowse_frm%2Fthread%2Ffc0242990afc0420%3Ftvc%3D1%26q%3Drecursive%26#doc_438e3909ca76752d
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