class Ransack::Nodes::Node

def i18n_alias(opts = {})
  self.i18n_aliases.merge! Hash[opts.map { |k, v| [k.to_s, v.to_s] }]
end

def i18n_word(*args)
  self.i18n_words += args.map(&:to_s)
end

def initialize(context)
  @context = context
end

def translate(key, options = {})
  key = i18n_aliases[key.to_s] if i18n_aliases.has_key?(key.to_s)
  if i18n_words.include?(key.to_s)
    Translate.word(key)
  end
end