add support for autoloading name-spaced models

lib/has_many_polymorphs/autoload.rb

@@ -16,16 +16,19 @@ module HasManyPolymorphs
   end
   
 =end
-
+
+  MODELS_ROOT = "#{RAILS_ROOT}/app/models/"
+
   DEFAULT_OPTIONS = {
-    :file_pattern => "#{RAILS_ROOT}/app/models/**/*.rb",
+    :file_pattern => "#{MODELS_ROOT}**/*.rb",
     :file_exclusions => ['svn', 'CVS', 'bzr'],
     :methods => ['has_many_polymorphs', 'acts_as_double_polymorphic_join'],
     :requirements => []}
 
   mattr_accessor :options
   @@options = HashWithIndifferentAccess.new(DEFAULT_OPTIONS)      
 
+
   # Dispatcher callback to load polymorphic relationships from the top down.
   def self.autoload
 
@@ -41,7 +44,9 @@ def self.autoload
       open(filename) do |file|
         if file.grep(/#{options[:methods].join("|")}/).any?
           begin
-            model = File.basename(filename)[0..-4].camelize
+            modelname = filename[0..-4]
+            modelname.slice!(MODELS_ROOT)
+            model = modelname.camelize
             _logger_warn "preloading parent model #{model}"
             model.constantize
           rescue Object => e