Contents

# encoding: utf-8
module Middleman
  module Presentation
    module Transformers
      # Group slides together
      class GroupSlides
        private

        attr_reader :template

        public

        def initialize(template:)
          @template = template
        end

        def transform(slides)
          groups = Set.new

          new_slides = slides.map do |slide|
            if slide.group && groups.none? { |g| g.name == slide.group }
              slide = group = SlideGroup.new name: slide.group, slides: slides.select { |s| s.group? slide.group }, template: template
              groups << group
            end

            slide
          end

          new_slides - groups.map { |g| g.slides }.flatten
        end
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
middleman-presentation-0.15.8	lib/middleman-presentation/transformers/group_slides.rb
middleman-presentation-0.15.7	lib/middleman-presentation/transformers/group_slides.rb
middleman-presentation-0.15.6	lib/middleman-presentation/transformers/group_slides.rb
middleman-presentation-0.15.5	lib/middleman-presentation/transformers/group_slides.rb