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Contents

# frozen_string_literal: true

module Vedeu

  module Presentation

    # Provides style related presentation behaviour.
    #
    module Styles

      include Vedeu::Common

      # @return [NilClass|String|Symbol]
      def name
        if present?(@name)
          @name

        elsif parent && present?(parent.name)
          parent.name

        end
      end

      # @return [NilClass|void]
      def parent
        present?(@parent) ? @parent : nil
      end

      # When the style for the model exists, return it, otherwise
      # returns the parent style, or an empty
      # {Vedeu::Presentation::Style}.
      #
      # @return [Vedeu::Presentation::Style]
      def style
        @_style ||= if @style
                      Vedeu::Presentation::Style.coerce(@style)

                    elsif parent && present?(parent.style)
                      Vedeu::Presentation::Style.coerce(parent.style)

                    else
                      Vedeu::Presentation::Style.new

                    end
      end

      # Allows the setting of the style by coercing the given value
      # into a {Vedeu::Presentation::Style}.
      #
      # @return [Vedeu::Presentation::Style]
      def style=(value)
        @_style = @style = Vedeu::Presentation::Style.coerce(value)
      end

      private

      # Renders the style attributes of the receiver and yields (to
      # then render the next model, or finally, the content).
      #
      # @param block [Proc]
      # @return [String]
      def render_style(&block)
        "#{style}#{yield}"
      end

    end # Style

  end # Presentation

end # Vedeu

Version data entries

7 entries across 7 versions & 1 rubygems

Version Path
vedeu-0.8.20 lib/vedeu/presentation/styles.rb
vedeu-0.8.19 lib/vedeu/presentation/styles.rb
vedeu-0.8.18 lib/vedeu/presentation/styles.rb
vedeu-0.8.17 lib/vedeu/presentation/styles.rb
vedeu-0.8.16 lib/vedeu/presentation/styles.rb
vedeu-0.8.15 lib/vedeu/presentation/styles.rb
vedeu-0.8.14 lib/vedeu/presentation/styles.rb