OK, I have installed the Ancestry gem, migrated the db fields, and am
working on my very first recipe to contribute to the cookbook.
However, I've hit a roadblock and need some help...
I have a model that I'm going to use for a menu system, and the model
is called MenuEntry. It just has a name :string and the
ancestry :string fields, plus an associated belongs_to :post
relationship. I think I'd like to set it up to where you simply pick a
parent menu entry in the new/edit forms. If I understand the ancestry
gem correctly I'll just need to provide the user with a drop down list
of all the available menu_entries and then pass the selected one to
the new method of the controller when creating this one.
1) How do I create a drop down of all the menu entries? It looks to me
like <select-one> would be the best way to go, but is it only usable
on models that are set up to have a belongs_to relationship, or can I
override that with something like <select-one
entries="#{MenuEntry.all}">... or something like that?
2) Once I get that, can I pass the selected menu_entry to the new
controller method and do what I need with it? I think the code I'd
need in a non-hobo app would be something like this: @menu_entry =
MenuEntry.new(:parent_id => params[:parent_id]) but I was wondering if
I could pass those parameters into hobo_new like this:
hobo_new :parent_id => params[:parent_id]
I think the :parent_id is set up when you declare the model with
has_ancestry, so I assume that means it is "hidden" to hobo, and all
the information is stored in that string field anyway. Any ideas on
where I can look?
Thanks,
Joey
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