diff options
Diffstat (limited to 'actionpack/lib/abstract_controller/helpers.rb')
| -rw-r--r-- | actionpack/lib/abstract_controller/helpers.rb | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/actionpack/lib/abstract_controller/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb index 4374b439d0..20f8601a8e 100644 --- a/actionpack/lib/abstract_controller/helpers.rb +++ b/actionpack/lib/abstract_controller/helpers.rb @@ -9,6 +9,9 @@ module AbstractController included do class_attribute :_helpers self._helpers = Module.new + + class_attribute :_helper_methods + self._helper_methods = Array.new end module ClassMethods @@ -40,10 +43,13 @@ module AbstractController # <% if logged_in? -%>Welcome, <%= current_user.name %><% end -%> # # ==== Parameters - # meths<Array[#to_s]>:: The name of a method on the controller + # * <tt>method[, method]</tt> - A name or names of a method on the controller # to be made available on the view. def helper_method(*meths) - meths.flatten.each do |meth| + meths.flatten! + self._helper_methods += meths + + meths.each do |meth| _helpers.class_eval <<-ruby_eval, __FILE__, __LINE__ + 1 def #{meth}(*args, &blk) controller.send(%(#{meth}), *args, &blk) @@ -55,8 +61,8 @@ module AbstractController # The +helper+ class method can take a series of helper module names, a block, or both. # # ==== Parameters - # *args<Array[Module, Symbol, String, :all]> - # block<Block>:: A block defining helper methods + # * <tt>*args</tt> - Module, Symbol, String, :all + # * <tt>block</tt> - A block defining helper methods # # ==== Examples # When the argument is a module it will be included directly in the template class. @@ -95,12 +101,23 @@ module AbstractController _helpers.module_eval(&block) if block_given? end + # Clears up all existing helpers in this class, only keeping the helper + # with the same name as this class. + def clear_helpers + inherited_helper_methods = _helper_methods + self._helpers = Module.new + self._helper_methods = Array.new + + inherited_helper_methods.each { |meth| helper_method meth } + default_helper_module! unless anonymous? + end + private # Makes all the (instance) methods in the helper module available to templates # rendered through this controller. # # ==== Parameters - # mod<Module>:: The module to include into the current helper module + # * <tt>module</tt> - The module to include into the current helper module # for the class def add_template_helper(mod) _helpers.module_eval { include mod } @@ -118,10 +135,10 @@ module AbstractController # are returned. # # ==== Parameters - # args<Array[String, Symbol, Module]>:: A list of helpers + # * <tt>args</tt> - An array of helpers # # ==== Returns - # Array[Module]:: A normalized list of modules for the list of + # * <tt>Array</tt> - A normalized list of modules for the list of # helpers provided. def modules_for_helpers(args) args.flatten.map! do |arg| |