diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/cache_helper.rb')
-rw-r--r-- | actionpack/lib/action_view/helpers/cache_helper.rb | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/actionpack/lib/action_view/helpers/cache_helper.rb b/actionpack/lib/action_view/helpers/cache_helper.rb index f544a9d147..385378ea29 100644 --- a/actionpack/lib/action_view/helpers/cache_helper.rb +++ b/actionpack/lib/action_view/helpers/cache_helper.rb @@ -2,31 +2,29 @@ module ActionView # = Action View Cache Helper module Helpers module CacheHelper - # This helper to exposes a method for caching of view fragments. - # See ActionController::Caching::Fragments for usage instructions. + # This helper exposes a method for caching fragments of a view + # rather than an entire action or page. This technique is useful + # caching pieces like menus, lists of newstopics, static HTML + # fragments, and so on. This method takes a block that contains + # the content you wish to cache. # - # A method for caching fragments of a view rather than an entire - # action or page. This technique is useful caching pieces like - # menus, lists of news topics, static HTML fragments, and so on. - # This method takes a block that contains the content you wish - # to cache. See ActionController::Caching::Fragments for more - # information. + # See ActionController::Caching::Fragments for usage instructions. # # ==== Examples - # If you wanted to cache a navigation menu, you could do the - # following. + # If you want to cache a navigation menu, you can do following: # # <% cache do %> # <%= render :partial => "menu" %> # <% end %> # - # You can also cache static content... + # You can also cache static content: # # <% cache do %> # <p>Hello users! Welcome to our website!</p> # <% end %> # - # ...and static content mixed with RHTML content. + # Static content with embedded ruby content can be cached as + # well: # # <% cache do %> # Topics: @@ -46,8 +44,8 @@ module ActionView private # TODO: Create an object that has caching read/write on it def fragment_for(name = {}, options = nil, &block) #:nodoc: - if controller.fragment_exist?(name, options) - controller.read_fragment(name, options) + if fragment = controller.read_fragment(name, options) + fragment else # VIEW TODO: Make #capture usable outside of ERB # This dance is needed because Builder can't use capture |