Rails - Feb 2006 - Validations with conditions (:if)

Hello all.

I have a users table (it has three columns: name, password, active) and 
I want to validate it''s name column only if the active column is set to
true. To do this I use the :if statement in all my validations, but it 
doesn''t work. I''ve tried many ways to do this (using Symbols,
Proc''s or
methods) and nothing works (using Symbols doesn''t work because the 
active column is set always to false, using Proc''s the User class has
an
invalid syntax and using a method has the same problem as using a 
Symbol).

Can you tell me what I''m doing wrong?

Here is the code:

Using a symbol:
  validates_length_of :name, :in => 3..30, :if = :active

Using proc:
   validates_length_of :name, :in => 3..30, :if = Proc.new { |user| 
user.active == true }

Using a method:
   validates_length_of :name, :in => 3..30, :if = is_state_active

   self.def is_state_active
        Proc.new { |user| user.active == true }
   end

I''m using Rails 1.0.

Thanks for your help.

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