diff options
Diffstat (limited to 'actionpack/lib/abstract_controller/layouts.rb')
| -rw-r--r-- | actionpack/lib/abstract_controller/layouts.rb | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/actionpack/lib/abstract_controller/layouts.rb b/actionpack/lib/abstract_controller/layouts.rb index a82e3dc90a..6f13ebe0d0 100644 --- a/actionpack/lib/abstract_controller/layouts.rb +++ b/actionpack/lib/abstract_controller/layouts.rb @@ -89,7 +89,7 @@ module AbstractController # class TillController < BankController # layout false # - # In these examples, we have three implicit lookup scenrios: + # In these examples, we have three implicit lookup scenarios: # * The BankController uses the "bank" layout. # * The ExchangeController uses the "exchange" layout. # * The CurrencyController inherits the layout from BankController. @@ -120,6 +120,7 @@ module AbstractController # def writers_and_readers # logged_in? ? "writer_layout" : "reader_layout" # end + # end # # Now when a new request for the index action is processed, the layout will vary depending on whether the person accessing # is logged in or not. @@ -127,7 +128,14 @@ module AbstractController # If you want to use an inline method, such as a proc, do something like this: # # class WeblogController < ActionController::Base - # layout proc{ |controller| controller.logged_in? ? "writer_layout" : "reader_layout" } + # layout proc { |controller| controller.logged_in? ? "writer_layout" : "reader_layout" } + # end + # + # If an argument isn't given to the proc, it's evaluated in the context of + # the current controller anyway. + # + # class WeblogController < ActionController::Base + # layout proc { logged_in? ? "writer_layout" : "reader_layout" } # end # # Of course, the most common way of specifying a layout is still just as a plain template name: @@ -298,12 +306,12 @@ module AbstractController end RUBY when Proc - define_method :_layout_from_proc, &_layout - "_layout_from_proc(self)" + define_method :_layout_from_proc, &_layout + _layout.arity == 0 ? "_layout_from_proc" : "_layout_from_proc(self)" when false nil when true - raise ArgumentError, "Layouts must be specified as a String, Symbol, false, or nil" + raise ArgumentError, "Layouts must be specified as a String, Symbol, Proc, false, or nil" when nil name_clause end @@ -363,7 +371,7 @@ module AbstractController when false, nil then nil else raise ArgumentError, - "String, true, or false, expected for `layout'; you passed #{name.inspect}" + "String, Proc, :default, true, or false, expected for `layout'; you passed #{name.inspect}" end end |