Login as Demo User active_scaffold_overrides../../vendor/plugins/active_scaffold/frontends/default/views

Source

/controllers/secured_records_controller.rb

class SecuredRecordsController < DemoController
  active_scaffold do |config|
    config.columns = [:name, :message, :owner]
    columns[:owner].ui_type = :select
  end
end

/models/secured_record.rb

class SecuredRecord < ActiveRecord::Base
  belongs_to :owner, :class_name => 'Login', :foreign_key => 'login_id'
  validates_presence_of :name, :message

  def authorized_for_destroy?
    # you can only destroy your own records
    return true unless existing_record_check?
    return (current_user and current_user == self.owner)
  end

  def message_authorized_for_update?
    # you can only update your own messages
    return true unless existing_record_check?
    return (current_user and current_user == self.owner)
  end

  def owner_authorized_for_update?
    # can never change the owner
    false
  end
end

/helpers/secured_records_helper.rb

module SecuredRecordsHelper
  def owner_column(record)
    return '' unless record.owner
    content = record.owner.to_label
    content = "<span class='restricted'>#{content}</span>" unless current_login and record.owner == current_login
    content
  end
end