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Contents
module Makura
module Plugin
# Automatically store/retrieve values for different languages.
# Useful especially if combined with the locale gem.
#
# Default language is 'en'.
#
# Usage:
#
# class Page
# include Makura::Model
#
# plugin :localize
# localized :title, :text
# end
#
# page = Page.new
# page.title = 'english title'
# page.title # => 'english title'
#
# page.language = 'de'
# page.title # => nil
# page.title = 'deutscher titel'
# page.title # => 'deutscher titel'
#
# page.language = 'en'
# page.title # => 'english title'
module Localize
LOCALIZE_GET = '
def %key%
raise(ArgumentError, "No language set") unless language
self["%key%_#{language}"] || self["%key%_#{self.class.default_language}"]
end'.strip
LOCALIZE_SET = '
def %key%=(data)
raise(ArgumentError, "No language set") unless language
self["%key%_#{language}"] = data
end'.strip
module SingletonMethods
def localized(*keys)
keys.each do |key|
key = key.to_s
class_eval(LOCALIZE_GET.gsub('%key%', key))
class_eval(LOCALIZE_SET.gsub('%key%', key))
end
end
def default_language=(dl)
@default_language = dl
end
def default_language
@default_language ||= 'en'
end
end
module InstanceMethods
attr_writer :language
def language
@language || self.class.default_language
end
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems