Module: ActionView::Helpers::TranslationHelper

Included in:
ActionView::Helpers
Defined in:
lib/action_view/helpers/translation_helper.rb

Instance Method Summary collapse

Instance Method Details

#localize(*args) ⇒ Object Also known as: l

Delegates to I18n.localize with no additional functionality.



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# File 'lib/action_view/helpers/translation_helper.rb', line 37

def localize(*args)
  I18n.localize(*args)
end

#translate(keys, options = {}) ⇒ Object Also known as: t

Delegates to I18n#translate but also performs two additional functions. First, it’ll catch MissingTranslationData exceptions and turn them into inline spans that contains the missing key, such that you can see in a view what is missing where.

Second, it’ll scope the key by the current partial if the key starts with a period. So if you call translate(“.foo”) from the people/index.html.erb template, you’ll actually be calling I18n.translate(“people.index.foo”). This makes it less repetitive to translate many keys within the same partials and gives you a simple framework for scoping them consistently. If you don’t prepend the key with a period, nothing is converted.



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# File 'lib/action_view/helpers/translation_helper.rb', line 13

def translate(keys, options = {})
  if multiple_keys = keys.is_a?(Array)
    ActiveSupport::Deprecation.warn "Giving an array to translate is deprecated, please give a symbol or a string instead", caller
  end

  options[:raise] = true
  keys = scope_keys_by_partial(keys)

  translations = I18n.translate(keys, options)
  translations = [translations] if !multiple_keys && translations.size > 1
  translations = html_safe_translation_keys(keys, translations)

  if multiple_keys || translations.size > 1
    translations
  else
    translations.first
  end
rescue I18n::MissingTranslationData => e
  keys = I18n.send(:normalize_translation_keys, e.locale, e.key, e.options[:scope])
  content_tag('span', keys.join(', '), :class => 'translation_missing')
end