Module: Reform::Form::Composition::ClassMethods

Defined in:
lib/reform/form/composition.rb

Instance Method Summary collapse

Instance Method Details

#model(main_model, options = {}) ⇒ Object

Same as ActiveModel::model but allows you to define the main model in the composition using :on.

class CoverSongForm < Reform::Form

model :song, on: :cover_song



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# File 'lib/reform/form/composition.rb', line 19

def model(main_model, options={})
  super

  composition_model = options[:on] || main_model

  # FIXME: this should just delegate to :model as in FB, and the comp would take care of it internally.
  [:persisted?, :to_key, :to_param].each do |method|
    define_method method do
      model[composition_model].send(method)
    end
  end

  self
end