demarches-normaliennes/app/models/champs/civilite_champ.rb

class Champs::CiviliteChamp < Champ
  validates :value, inclusion: ["M.", "Mme"],
                    allow_nil: true,
                    allow_blank: false,
                    if: -> { validate_champ_value? || validation_context == :prefill }

  def legend_label?
    true
  end

  def html_label?
    false
  end

  def female_input_id
    "#{input_id}-female"
  end

  def male_input_id
    "#{input_id}-male"
  end

  def focusable_input_id
    female_input_id
  end
end