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How To: Custom nested form builders

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taavo edited this page Oct 29, 2012 · 5 revisions

def custom_nested_form_for(*args)
  options = args.extract_options!.reverse_merge(:builder => CustomNestedFormBuilder)
  form_for(*(args << options)) do |f|
    yield(f).to_s << after_nested_form_callbacks
  end
end

class CustomNestedFormBuilder < ActionView::Helpers::FormBuilder
  include NestedForm::BuilderMixin
end