Class: Neo4j::AsciidoctorExtensions::RevealJsSpeakerNotesAggregatorTreeProcessor

Inherits:
Extensions::TreeProcessor
  • Object
show all
Defined in:
lib/neo4j/asciidoctor/extensions/revealjs_speaker_notes_aggregator/extension.rb

Overview

A tree processor that aggregates multiple [notes] blocks in a section (slide).

Usage:

== Introduction

[.notes]
--
This is a speaker note.
--

Hello!

[.notes]
--
This is another speaker note.
--

Instance Method Summary collapse

Instance Method Details

#process(document) ⇒ Object 



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# File 'lib/neo4j/asciidoctor/extensions/revealjs_speaker_notes_aggregator/extension.rb', line 31

def process(document)
  if document.backend == 'revealjs'
    document.find_by(context: :section).each do |section|
      notes_blocks = section.blocks.select { |block| block.context == :open && block.roles.include?('notes') }
      next if notes_blocks.empty?

      agg_notes_block = Asciidoctor::Block.new(section, :open, attributes: { 'role' => 'notes' })
      notes_blocks.each do |notes_block|
        section.blocks.delete(notes_block)
        notes_block.remove_role('notes')
        agg_notes_block << notes_block
      end
      section.blocks << agg_notes_block
    end
  end
  document
end