Noosfero/noosfero

module LanguageHelper
  def language
    locale.to_s
  end

  def tinymce_language
    lang = language.downcase.split("_").first
    case lang
    when "pt"
      "pt_BR"
    when "fr"
      "fr_FR"
    else
      lang
    end
  end

  def html_language
    language.downcase.gsub("_", "-")
  end

  alias :calendar_date_select_language :tinymce_language

  def language_chooser(environment = nil, options = {})
    locales = environment.nil? ? Noosfero.locales : environment.locales
    return if locales.size < 2

    current = language
    separator = options[:separator] || " &mdash; "

    if options[:element] == "dropdown"
      select_tag("lang",
                 options_for_select(locales.map { |code, name| [name, code] }, current),
                 onchange: "document.location.href= #{url_for(params.merge(lang: 'LANGUAGE'))}.replace(/LANGUAGE/, this.value) ;",
                 help: _("The language you choose here is the language used for options, buttons, etc. It does not affect the language of the content created by other users."))
    else
      languages = locales.map do |code, name|
        if code == current
          content_tag("strong", name)
        else
          link_to(name, params.merge(lang: code), rel: "nofollow")
        end
      end.join(separator).html_safe
      content_tag("div", languages, id: "language-chooser", help: _("The language you choose here is the language used for options, buttons, etc. It does not affect the language of the content created by other users."))
    end
  end
end