Class: Middleman::CoreExtensions::Internationalization::Localizer

Inherits:
Object
  • Object
show all
Defined in:
lib/middleman-more/core_extensions/i18n.rb

Overview

Central class for managing i18n extension

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, locales_glob, options = {}) ⇒ Localizer

Returns a new instance of Localizer.



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# File 'lib/middleman-more/core_extensions/i18n.rb', line 32

def initialize(app, locales_glob, options={})
  @app = app
  @locales_glob = locales_glob
  @maps = {}
  @options = options

  @lang_map      = @options[:lang_map]      || {}
  @path          = @options[:path]          || "/:locale/"
  @templates_dir = @options[:templates_dir] || "localizable"
  @mount_at_root = @options.has_key?(:mount_at_root) ? @options[:mount_at_root] : langs.first

  if !@app.build?
    logger.info "== Locales: #{langs.join(", ")}"
  end

  # Don't output localizable files
  @app.ignore File.join(@templates_dir, "**")

  @app.sitemap.provides_metadata_for_path do |url|
    if d = get_localization_data(url)
      lang, page_id = d
      instance_vars = Proc.new {
        ::I18n.locale = lang
        @lang         = lang
        @page_id      = page_id
      }
      { :blocks => [instance_vars] }
    else
      {}
    end
  end

  @app.sitemap.register_resource_list_manipulator(
    :i18n,
    self
  )

  @app.files.changed(&method(:on_file_changed))
  @app.files.deleted(&method(:on_file_changed))
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/middleman-more/core_extensions/i18n.rb', line 29

def app
  @app
end

Instance Method Details

#get_localization_data(path) ⇒ Object 



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# File 'lib/middleman-more/core_extensions/i18n.rb', line 87

def get_localization_data(path)
  @_localization_data ||= {}
  @_localization_data[path]
end

#langs ⇒ Object 



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# File 'lib/middleman-more/core_extensions/i18n.rb', line 79

def langs
  @options[:langs] || begin
    Dir[File.join(@app.root, @locales_glob)].map { |file|
      File.basename(file).gsub(".yml", "")
    }.sort.map(&:to_sym)
  end
end

#manipulate_resource_list(resources) ⇒ void

This method returns an undefined value.

Update the main sitemap resource list



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# File 'lib/middleman-more/core_extensions/i18n.rb', line 94

def manipulate_resource_list(resources)
  @_localization_data = {}

  new_resources = []

  resources.each do |resource|
    next unless File.fnmatch(File.join(@templates_dir, "**"), resource.path)

    page_id = File.basename(resource.path, File.extname(resource.path))

    langs.map do |lang|
      ::I18n.locale = lang

      localized_page_id = ::I18n.t("paths.#{page_id}", :default => page_id)
      path = resource.path.sub(@templates_dir, "")

      # Build lang path
      if @mount_at_root == lang
        prefix = "/"
      else
        replacement = @lang_map.has_key?(lang) ? @lang_map[lang] : lang
        prefix = @path.sub(":locale", replacement.to_s)
      end

      path = ::Middleman::Util.normalize_path(
        File.join(prefix, path.sub(page_id, localized_page_id))
      )

      @_localization_data[path] = [lang, path, localized_page_id]

      p = ::Middleman::Sitemap::Resource.new(
        @app.sitemap,
        path
      )
      p.proxy_to(resource.path)

      new_resources << p
    end
  end

  resources + new_resources
end

#on_file_changed(file) ⇒ Object 



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# File 'lib/middleman-more/core_extensions/i18n.rb', line 73

def on_file_changed(file)
  if File.fnmatch(@locales_glob, file)
    ::I18n.reload!
  end
end