Uses the default_display_name for localizer

lib/aasm/core/event.rb

@@ -4,7 +4,7 @@ module AASM::Core
   class Event
     include AASM::DslHelper
 
-    attr_reader :name, :state_machine, :options
+    attr_reader :name, :state_machine, :options, :default_display_name
 
     def initialize(name, state_machine, options = {}, &block)
       @name = name
@@ -13,6 +13,7 @@ module AASM::Core
       @valid_transitions = {}
       @guards = Array(options[:guard] || options[:guards] || options[:if])
       @unless = Array(options[:unless]) #TODO: This could use a better name
+      @default_display_name = name.to_s.gsub(/_/, ' ').capitalize
 
       # from aasm4
       @options = options # QUESTION: .dup ?

lib/aasm/core/state.rb

@@ -2,7 +2,7 @@
 
 module AASM::Core
   class State
-    attr_reader :name, :state_machine, :options
+    attr_reader :name, :state_machine, :options, :default_display_name
 
     def initialize(name, klass, state_machine, options={})
       @name = name

lib/aasm/localizer.rb

@@ -5,7 +5,7 @@ module AASM
         list << :"#{i18n_scope(klass)}.events.#{i18n_klass(ancestor)}.#{event}"
         list
       end
-      translate_queue(checklist) || I18n.translate(checklist.shift, :default => event.to_s.gsub(/_/, ' ').capitalize)
+      translate_queue(checklist) || I18n.translate(checklist.shift, :default => default_display_name(event))
     end
 
     def human_state_name(klass, state)
@@ -14,7 +14,7 @@ module AASM
         list << item_for(klass, state, ancestor, :old_style => true)
         list
       end
-      translate_queue(checklist) || I18n.translate(checklist.shift, :default => state.to_s.gsub(/_/, ' ').capitalize)
+      translate_queue(checklist) || I18n.translate(checklist.shift, :default => default_display_name(state))
     end
 
   private
@@ -52,5 +52,13 @@ module AASM
         ancestor.respond_to?(:model_name) && not_active_record_base
       end
     end
+
+    def default_display_name(object) # Can use better arguement name
+      if object.respond_to?(:default_display_name)
+        object.default_display_name
+      else
+        object.to_s.gsub(/_/, ' ').capitalize
+      end
+    end
   end
 end # AASM