module ActionView module Helpers # This helper to exposes a method for caching of view fragments. # See ActionController::Caching::Fragments for usage instructions. module CacheHelper # 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. # # ==== Examples # If you wanted to cache a navigation menu, you could do the # following. # # <% cache do %> # <%= render :partial => "menu" %> # <% end %> # # You can also cache static content... # # <% cache do %> #

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# <% end %> # # ...and static content mixed with RHTML content. # # <% cache do %> # Topics: # <%= render :partial => "topics", :collection => @topic_list %> # Topics listed alphabetically # <% end %> def cache(name = {}, options = nil, &block) template_extension = find_template_extension_for(first_render)[/\.(\w+)$/, 1].to_sym handler = Base.handler_for_extension(template_extension) handler.new(@controller).cache_fragment(block, name, options) end end end end