Module: R18n::Translated::Base

Defined in:
lib/r18n-core/translated.rb

Overview

Module with class methods, which be added after R18n::Translated include.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#translation_types ⇒ Object (readonly)

Hash of translation method names to it type for filters.



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# File 'lib/r18n-core/translated.rb', line 95

def translation_types
  @translation_types
end

Instance Method Details

#translation(name, options = {}) ⇒ Object

Add proxy-method name. See R18n::Translated for description. It’s more useful to set options.

translation :desciption, :type => 'markdown'



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# File 'lib/r18n-core/translated.rb', line 111

def translation(name, options = {})
  if options[:methods]
    @unlocalized_getters[name] = R18n::Utils.hash_map(options[:methods]) { |l, i| [ l.to_s, i.to_s ] }
    unless options[:no_write]
      @unlocalized_setters[name] =R18n::Utils.hash_map(options[:methods]) { |l, i| [ l.to_s, i.to_s + '=' ] }
    end
  end
  
  @translation_types[name] = options[:type]
  call = options[:no_params] ? 'call' : 'call(*params)'
  
  class_eval <<-EOS, __FILE__, __LINE__
    def #{name}(*params)
      unlocalized = self.class.unlocalized_getters(#{name.inspect})
      R18n.get.locales.each do |locale|
        code = locale.code
        next unless unlocalized.has_key? code
        result = method(unlocalized[code]).#{call}
        next unless result
        
        path = "\#{self.class.name}##{name}"
        type = self.class.translation_types[#{name.inspect}]
        if type
          return R18n::Filters.process(R18n::Filters.enabled,
                   type, result, locale, path, params)
        else
          result = TranslatedString.new(result, locale, path)
          return R18n::Filters.process_string(R18n::Filters.enabled,
                   result, path, params)
        end
      end
      
      R18n::Untranslated.new("\#{self.class.name}\#", '#{name}',
                             R18n.get.locale)
    end
  EOS
  
  unless options[:no_write]
    class_eval <<-EOS, __FILE__, __LINE__
      def #{name}=(*params)
        unlocalized = self.class.unlocalized_setters(#{name.inspect})
        R18n.get.locales.each do |locale|
          code = locale.code
          next unless unlocalized.has_key? code
          return method(unlocalized[code]).call(*params)
        end
      end
    EOS
  end
end

#translations(*methods) ⇒ Object

Add several proxy methods. See R18n::Translated for description. It’s more compact, that translation.

translations :title, :keywords, [:desciption, {:type => 'markdown'}]



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# File 'lib/r18n-core/translated.rb', line 101

def translations(*methods)
  methods.each do |method|
    translation(*method)
  end
end

#unlocalized_getters(method) ⇒ Object

Return Hash of locale code to getter method for proxy method. If you didn’t set map in translation option methods, it will be detect automatically.



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# File 'lib/r18n-core/translated.rb', line 165

def unlocalized_getters(method)
  matcher = Regexp.new('^' + Regexp.escape(method.to_s) + '_(.*[^=])$')
  unless @unlocalized_getters.has_key? method
    @unlocalized_getters[method] = {}
    self.instance_methods.reject { |i| not i =~ matcher }.each do |i|
      @unlocalized_getters[method][i.to_s.match(matcher)[1]] = i.to_s
    end
  end
  @unlocalized_getters[method]
end

#unlocalized_setters(method) ⇒ Object

Return Hash of locale code to setter method for proxy method. If you didn’t set map in translation option methods, it will be detect automatically.



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# File 'lib/r18n-core/translated.rb', line 179

def unlocalized_setters(method)
  matcher = Regexp.new('^' + Regexp.escape(method.to_s) + '_(.*)=$')
  unless @unlocalized_setters.has_key? method
    @unlocalized_setters[method] = {}
    self.instance_methods.reject { |i| not i =~ matcher }.each do |i|
      @unlocalized_setters[method][i.to_s.match(matcher)[1]] = i.to_s
    end
  end
  @unlocalized_setters[method]
end