Module: Espresso::Concern

Included in:
Controller, Espresso::Controller::InheritedResourcesModifications, Model, Resources, View
Defined in:
lib/espresso/concern.rb

Overview

Code extracted from ActiveSupport 3.0.0beta

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object 



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# File 'lib/espresso/concern.rb', line 6

def self.extended(base)
  base.instance_variable_set('@_dependencies', [])
end

Instance Method Details

#append_features(base) ⇒ Object 



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# File 'lib/espresso/concern.rb', line 10

def append_features(base)
  if base.instance_variable_defined?('@_dependencies')
    base.instance_variable_get('@_dependencies') << self
    return false
  else
    return false if base < self
    @_dependencies.each { |dep| base.send(:include, dep) }
    super
    base.extend const_get('ClassMethods') if const_defined?('ClassMethods')
    base.send :include, const_get('InstanceMethods') if const_defined?('InstanceMethods')
    if instance_variable_defined?('@_included_blocks')
      @_included_blocks.each do |included_block|
        base.class_eval(&included_block)
      end
    end
  end
end

#included(base = nil, &block) ⇒ Object 



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# File 'lib/espresso/concern.rb', line 28

def included(base = nil, &block)
  if base.nil?
    @_included_blocks ||= []
    @_included_blocks << block
  else
    super
  end
end