class DummyTable < TableCloth::Base row_attributes name: "What a handsome quazimodo" do |obj| {class: "quazimodo-is-awesome"} if obj.present? end column :id, th_options: {class: "th_options_class"} column :name column :email end class DummyTableUnlessAdmin < TableCloth::Base column :id, unless: :admin? column :name column :email end