diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/translation_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/translation_helper.rb | 50 |
1 files changed, 34 insertions, 16 deletions
diff --git a/actionpack/lib/action_view/helpers/translation_helper.rb b/actionpack/lib/action_view/helpers/translation_helper.rb index dac9c28ab7..59e6ce878f 100644 --- a/actionpack/lib/action_view/helpers/translation_helper.rb +++ b/actionpack/lib/action_view/helpers/translation_helper.rb @@ -1,38 +1,56 @@ require 'action_view/helpers/tag_helper' +require 'i18n/exceptions' + +module I18n + class ExceptionHandler + include Module.new { + def call(exception, locale, key, options) + exception.is_a?(MissingTranslationData) ? super.html_safe : super + end + } + end +end module ActionView # = Action View Translation Helpers module Helpers module TranslationHelper # Delegates to I18n#translate but also performs three 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 <tt>translate(".foo")</tt> from the - # <tt>people/index.html.erb</tt> template, you'll actually be calling + # First, it'll pass the :rescue_format => :html option to I18n so that any caught + # MissingTranslationData exceptions will be turned into inline spans that + # + # * have a "translation-missing" class set, + # * contain the missing key as a title attribute and + # * a titleized version of the last key segment as a text. + # + # E.g. the value returned for a missing translation key :"blog.post.title" will be + # <span class="translation_missing" title="translation missing: blog.post.title">Title</span>. + # This way your views will display rather reasonable strings but it will still + # be easy to spot missing translations. + # + # Second, it'll scope the key by the current partial if the key starts + # with a period. So if you call <tt>translate(".foo")</tt> from the + # <tt>people/index.html.erb</tt> template, you'll actually be calling # <tt>I18n.translate("people.index.foo")</tt>. 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, + # for scoping them consistently. If you don't prepend the key with a period, # nothing is converted. # - # Third, it'll mark the translation as safe HTML if the key has the suffix - # "_html" or the last element of the key is the word "html". For example, - # calling translate("footer_html") or translate("footer.html") will return + # Third, it'll mark the translation as safe HTML if the key has the suffix + # "_html" or the last element of the key is the word "html". For example, + # calling translate("footer_html") or translate("footer.html") will return # a safe HTML string that won't be escaped by other HTML helper methods. This # naming convention helps to identify translations that include HTML tags so that # you know what kind of output to expect when you call translate in a template. def translate(key, options = {}) - translation = I18n.translate(scope_key_by_partial(key), options.merge!(:raise => true)) + options.merge!(:rescue_format => :html) unless options.key?(:rescue_format) + translation = I18n.translate(scope_key_by_partial(key), options) if html_safe_translation_key?(key) && translation.respond_to?(:html_safe) translation.html_safe else translation end - rescue I18n::MissingTranslationData => e - keys = I18n.normalize_keys(e.locale, e.key, e.options[:scope]) - content_tag('span', keys.join(', '), :class => 'translation_missing') end alias :t :translate @@ -45,8 +63,8 @@ module ActionView private def scope_key_by_partial(key) if key.to_s.first == "." - if @_virtual_path - @_virtual_path.gsub(%r{/_?}, ".") + key.to_s + if (path = @_template && @_template.virtual_path) + path.gsub(%r{/_?}, ".") + key.to_s else raise "Cannot use t(#{key.inspect}) shortcut because path is not available" end |