gistfile1.txt

Form-model form.rb:

  before_destroy :validate_assoc
  def validate_assoc
    if inactive && !(towers = Tower.find(:all, :conditions=>{:form_id=>id})).blank?
      towers.each{|tower| errors.add(:inactive, tower )}
      false
    end
  end  
  
  def destroy_by_person_with_validation person_id
    self.attributes = self.attributes.update({:inactive=>true, :person_id=>person_id})
    callback(:before_destroy)
    save(false)
    callback(:after_destroy)
  end