From: Nanyang Zhan <sxain@...>
Date: 2007-04-21T03:45:16+09:00
Subject: looping through a tree from trunk to leaves

I've just built a acts_as_tree model,
now I need to render it out as a tree structure in view.
and I also need a action method to loop through every row of the
database following the tree structure ( from root to it's branch, then
to the ends of the branch, then go back for other branches...). I think
both the view helper and action method need to use a similar loop style,
and this code may be popular, at lease useful. Is there any article
about this subject?

I've get a view snip, btw:
http://snippets.dzone.com/tag/acts_as_tree

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