Adds :excluded_models option to global config

lib/abstract_model.rb

@@ -11,22 +11,26 @@ def self.all
       when :activerecord, :sequel
         Dir.glob(Merb.dir_for(:model) / Merb.glob_for(:model)).each do |filename|
           File.read(filename).scan(/class ([\w\d_\-:]+)/).flatten.each do |model_name|
-            model = lookup(model_name.to_sym)
-            @models << new(model) if model
+            add_model(model_name.to_sym)
           end
         end
       when :datamapper
         DataMapper::Model.descendants.each do |model_name|
           # Remove DataMapperSessionStore because it's included by default
           next if m == Merb::DataMapperSessionStore if Merb.const_defined?(:DataMapperSessionStore)
-          model = lookup(model_name.to_s.to_sym)
-          @models << new(model) if model
+          add_model(model_name.to_s.to_sym)
         end
       else
         raise "MerbAdmin does not support the #{orm} ORM"
       end
       @models.sort!{|x, y| x.model.to_s <=> y.model.to_s}
     end
+
+    def self.add_model(name)
+      return if Merb::Slices.config[:merb_admin][:excluded_models].include?(name.to_s.snake_case.to_sym)
+      model = lookup(name)
+      @models << new(model) if model
+    end
 
     # Given a symbol +model_name+, finds the corresponding model class
     def self.lookup(model_name)

lib/merb-admin.rb

@@ -17,6 +17,7 @@
   # :mirror - which path component types to use on copy operations; defaults to all
   Merb::Slices::config[:merb_admin][:layout] ||= :merb_admin
   Merb::Slices::config[:merb_admin][:per_page] ||= 100
+  Merb::Slices::config[:merb_admin][:excluded_models] ||= []
 
   # All Slice code is expected to be namespaced inside a module
   module MerbAdmin