content_for_helpers.rb

module ContentForHelpers
  def content_for?(name, options = {}, &block)
      has_content = (!instance_variable_get("@content_for_#{name}").strip.blank? rescue nil)
      should_process = options[:negate] ? !has_content : has_content
      if should_process && block_given?
        concat(capture(&block), block.binding)
      end
      return should_process
  end
  
  def no_content_for?(name,&block)
    content_for?(name, :negate => true, &block)
  end
  
  def get_content_for(name)
    instance_variable_get("@content_for_#{name}")
  end
end