El Monday 15 December 2008 20:33:11 dschruth escribió:
> I'm building a composite association link out of two foreign keys to
> the same table.
>
> And I've tried three approaches none of which are working.
> ---------------------------------------------------------------------------
>--------- class Parent < ActiveRecord::Base
>
> has_many :kids_m, :foreign_key => :mom_id, :class_name => "Kid"
> has_many :kids_f, :foreign_key => :dad_id, :class_name => "Kid"
>
> # define the single composite association column
> def kids
> if (sex == "male")
> kids_m
> else
> if sex == "female"
> kids_f
> end
> end
> end
>
> end
> ---------------------------------------------------------------------------
>-------
>
> But this results in :
> #<Kid:0x2a99372f08>#<Kid:0x2a99371658>... etc
>
> I tried turning these into links using:
> ------------------------------------------------------
> module ParentsHelper
> def solid_secondary_analyses_column(record)
> record.kids_m.first(3).collect{|kid_m| h(kid_m)}.join(', ') #BUT
> NO LINK!!!
> # can somebody tell me how to get "link_to" working with this?
> end
> end
> ------------------------------------------------------
>
>
> I've also tried just
> ---------------------------------------------------------------------------
>-- class Parent < ApplicationController
> config.columns[:kids].set_link('nested', :parameters =>
> {:associations => :kids_m})
> end
> -------------------------------------------------------------------
> which works! but only for one association... which brings us back to
> the original problem....
>
> Any Ideas on how to do this?
>
Define a to_label method in your model:
http://github.com/activescaffold/active_scaffold/wikis/describing-records-to_label
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