validates :author_id, :presence => true, :numericality => true, :existence => {:both => false}
validates :t, :presence => true, :numericality => {:greater_than_or_equal_to => 0}
- def tag_attributes column = nil, opt = {}
- {
- }
- end
-
def supply_default
self.scroll_id = nil
self.panel_id = nil