Contents

module Vedeu

  module Null

    # Provides a non-existent model to swallow messages.
    #
    # @api private
    class Generic

      # Returns an instance of the Vedeu::Null::Generic class.
      #
      # @return [Vedeu::Null::Generic]
      def initialize; end

      # @return [NilClass]
      def add(*)
        nil
      end

      # @return [NilClass]
      def colour
        nil
      end

      # @return [Boolean]
      def null?
        true
      end

      # @return [NilClass]
      def parent
        nil
      end

      # @return [Vedeu::Null::Generic]
      def store
        self
      end

      # @return [NilClass]
      def style
        nil
      end

      # The generic null should not be visible.
      #
      # @return [FalseClass]
      def visible?
        false
      end
      alias_method :visible, :visible?

      # @return [FalseClass]
      def visible=(*)
        false
      end

    end # Generic

  end # Null

end # Vedeu

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
vedeu-0.4.54	lib/vedeu/null/generic.rb
vedeu-0.4.53	lib/vedeu/null/generic.rb
vedeu-0.4.52	lib/vedeu/null/generic.rb
vedeu-0.4.51	lib/vedeu/null/generic.rb
vedeu-0.4.50	lib/vedeu/null/generic.rb
vedeu-0.4.49	lib/vedeu/null/generic.rb