diff options
Diffstat (limited to 'actionpack/lib/action_controller/helpers.rb')
-rw-r--r-- | actionpack/lib/action_controller/helpers.rb | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/actionpack/lib/action_controller/helpers.rb b/actionpack/lib/action_controller/helpers.rb index 4bea0c0fb9..ab5b945b4d 100644 --- a/actionpack/lib/action_controller/helpers.rb +++ b/actionpack/lib/action_controller/helpers.rb @@ -1,5 +1,7 @@ module ActionController #:nodoc: module Helpers #:nodoc: + HELPERS_DIR = (defined?(RAILS_ROOT) ? "#{RAILS_ROOT}/app/helpers" : "app/helpers") + def self.included(base) # Initialize the base module to aggregate its helpers. base.class_inheritable_accessor :master_helper_module @@ -46,19 +48,28 @@ module ActionController #:nodoc: end # Declare a helper: + # # helper :foo # requires 'foo_helper' and includes FooHelper in the template class. + # # helper FooHelper # includes FooHelper in the template class. + # # helper { def foo() "#{bar} is the very best" end } # evaluates the block in the template class, adding method #foo. + # # helper(:three, BlindHelper) { def mice() 'mice' end } # does all three. + # + # helper :all + # includes all helpers from app/views/helpers/**/*.rb under RAILS_ROOT def helper(*args, &block) args.flatten.each do |arg| case arg when Module add_template_helper(arg) + when :all + helper(all_application_helpers) when String, Symbol file_name = arg.to_s.underscore + '_helper' class_name = file_name.camelize @@ -73,14 +84,14 @@ module ActionController #:nodoc: add_template_helper(class_name.constantize) else - raise ArgumentError, 'helper expects String, Symbol, or Module argument' + raise ArgumentError, "helper expects String, Symbol, or Module argument (was: #{args.inspect})" end end # Evaluate block in template class if given. master_helper_module.module_eval(&block) if block_given? end - + # Declare a controller method as a helper. For example, # helper_method :link_to # def link_to(name, options) ... end @@ -104,6 +115,7 @@ module ActionController #:nodoc: attrs.flatten.each { |attr| helper_method(attr, "#{attr}=") } end + private def default_helper_module! module_name = name.sub(/Controller$|$/, 'Helper') @@ -120,6 +132,7 @@ module ActionController #:nodoc: def inherited_with_helper(child) inherited_without_helper(child) + begin child.master_helper_module = Module.new child.master_helper_module.send :include, master_helper_module @@ -128,6 +141,13 @@ module ActionController #:nodoc: raise unless e.is_missing?("helpers/#{child.controller_path}_helper") end end + + def all_application_helpers + Dir["#{HELPERS_DIR}/**/*.rb"].collect do |file| + # Helper file without excess path, "_helper" suffix, and_extension + file[((File.dirname(HELPERS_DIR) + "/helpers/").size)..-("_helper".size + 4)] + end + end end end -end +end
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