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Allow superclass_delegating_accessor to take a block for initial set.

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This commit is contained in:
Yehuda Katz
2009-08-10 15:49:53 -07:00
parent 4bf516e072
commit ccd1c5e521
1 changed files with 4 additions and 3 deletions
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7
activesupport/lib/active_support/core_ext/class/delegating_attributes.rb
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@@ -26,13 +26,14 @@ class Class
end
end
def superclass_delegating_writer(*names)
def superclass_delegating_writer(*names, &block)
names.each do |name|
class_eval(<<-EOS, __FILE__, __LINE__ + 1)
def self.#{name}=(value) # def self.property=(value)
@#{name} = value # @property = value
end # end
EOS
self.send("#{name}=", yield) if block_given?
end
end
@@ -42,8 +43,8 @@ class Class
# delegate to their superclass unless they have been given a
# specific value. This stops the strange situation where values
# set after class definition don't get applied to subclasses.
def superclass_delegating_accessor(*names)
def superclass_delegating_accessor(*names, &block)
superclass_delegating_reader(*names)
superclass_delegating_writer(*names)
superclass_delegating_writer(*names, &block)
end
end