def possible_controllers
unless @possible_controllers
@possible_controllers = []
paths = controller_paths.select { |path| File.directory?(path) && path != "." }
seen_paths = Hash.new {|h, k| h[k] = true; false}
normalize_paths(paths).each do |load_path|
Dir["#{load_path}/**/*_controller.rb"].collect do |path|
next if seen_paths[path.gsub(%r{^\.[/\\]}, "")]
controller_name = path[(load_path.length + 1)..-1]
controller_name.gsub!(/_controller\.rb\Z/, '')
@possible_controllers << controller_name
end
end
@possible_controllers.uniq!
end
@possible_controllers
end