init.rb

# do not raise exception if will_paginate is missing because running
# rake gems:install will never complete
def load_will_paginate
  begin
    require 'will_paginate'
    true
  rescue LoadError => e
    $stderr.puts %(
    ***********************************************
    * gem will_paginate is missing                *
    * plugin admin_data depends on will_paginate  *
    * Please install will_paginate by executing   *
    * sudo gem install will_paginate              *
    ***********************************************
    )
    false
  end
end

if load_will_paginate

  require 'admin_data_date_validation'

  if Rails.version < "2.2.0"
    raise %( plugin admin_data only works with Rails 2.2 and higher)
  elsif Rails.version > '2.2.0' && Rails.version < '2.3.0'
    raise %( This version of plugin admin_data only works with Rails 2.3 and higher. ) << 
          %( You are using Rails 2.2 . Please read README on how to use this plugin with Rails 2.2')
  end

  ActionView::Base.send :include, AdminData::Helpers

  require File.join(Rails.root, 'vendor', 'plugins', 'admin_data', 'lib', 'admin_data', 'compatibility.rb')
  require File.join(Rails.root, 'vendor', 'plugins', 'admin_data', 'lib', 'admin_data', 'settings.rb')

  AdminData::Config.initialize_defaults

  require File.join(Rails.root, 'vendor', 'plugins', 'admin_data', 'lib', 'admin_data','util.rb')
end