Do not show standard type by default

app/controllers/types_controller.rb

@@ -18,7 +18,7 @@ class TypesController < ApplicationController
   before_filter :require_admin, :except => [:index, :show, :paginate_planning_element_types]
 
   def index
-    @types = Type.order('position')
+    @types = Type.without_standard
                  .page(params[:page])
                  .per_page(per_page_param)
 

app/models/type.rb

@@ -56,6 +56,9 @@ class Type < ActiveRecord::Base
     :order => "name" }
   }
 
+  scope :without_standard, conditions: { is_standard: false },
+                           order: :position
+
   def to_s; name end
 
   def <=>(type)