Module: Alexandria::UI::FreezeThaw

Defined in:
lib/alexandria/ui/init.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/alexandria/ui/init.rb', line 28

def self.included(base)
  base.class_eval do
    attr_accessor :old_model
  end
end

Instance Method Details

#freeze ⇒ Object 



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# File 'lib/alexandria/ui/init.rb', line 38

def freeze
  return if frozen?

  self.old_model = model
  self.model = nil
end

#frozen? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/alexandria/ui/init.rb', line 34

def frozen?
  old_model && !model
end

#unfreeze ⇒ Object 



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# File 'lib/alexandria/ui/init.rb', line 45

def unfreeze
  return unless frozen?

  self.model = old_model
  self.old_model = nil
end