diff options
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/acts/list.rb | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/acts/list.rb b/activerecord/lib/active_record/acts/list.rb index 29b5a0a58e..f3cb3496d8 100644 --- a/activerecord/lib/active_record/acts/list.rb +++ b/activerecord/lib/active_record/acts/list.rb @@ -163,17 +163,19 @@ module ActiveRecord # Overwrite this method to define the scope of the list changes def scope_condition() "1" end - def bottom_position_in_list - item = bottom_item + def bottom_position_in_list(except = nil) + item = bottom_item(except) item ? item.send(position_column) : 0 end - def bottom_item - self.class.find(:first, :conditions => scope_condition, :order => "#{position_column} DESC") + def bottom_item(except = nil) + conditions = scope_condition + conditions = "#{conditions} AND id != #{except.id}" if except + self.class.find(:first, :conditions => conditions, :order => "#{position_column} DESC") end def assume_bottom_position - update_attribute(position_column, bottom_position_in_list.to_i + 1) unless last? + update_attribute(position_column, bottom_position_in_list(self).to_i + 1) end def assume_top_position |