app/models/activeadmin_selleo_cms/asset.rb in activeadmin-selleo-cms-0.0.20 vs app/models/activeadmin_selleo_cms/asset.rb in activeadmin-selleo-cms-0.0.21

@@ -1,17 +1,25 @@
 module ActiveadminSelleoCms
   class Asset < ActiveRecord::Base
     attr_protected :id
+    attr_accessor :cover_width, :cover_height, :cover_resize_method
 
     belongs_to :assetable, polymorphic: true
 
     has_attached_file :cover,
                       :url  => "/system/cms/covers/:id/:style_:basename.:extension",
-                      :path => ":rails_root/public/system/cms/covers/:id/:style_:basename.:extension"
+                      :path => ":rails_root/public/system/cms/covers/:id/:style_:basename.:extension",
+                      :styles => Proc.new{ |attachment| attachment.instance.image_sizes },
+                      :default_style => :normal
 
     validates_attachment_size :cover, :less_than => 10.megabytes
 
     def url(format=nil)
       data.url(format)
     end
+
+    def image_sizes
+      { :normal => "#{cover_width || 120}x#{cover_height || 90}#{cover_resize_method || ">"}" }
+    end
+
   end
 end