Contents

require 'rails'
require 'administrate/field/text'
require 'administrate/engine'
require 'redcarpet'
require 'redcarpet/render_strip'

module Administrate
  module Field
    class SimpleMarkdown < Administrate::Field::Text
      class Engine < ::Rails::Engine
        Administrate::Engine.add_javascript 'administrate-field-simple_markdown/application'
        Administrate::Engine.add_stylesheet 'administrate-field-simple_markdown/application'
      end

      def data
        @data || ''
      end

      def easymde_options
        options.fetch(:easymde_options, {})
          .transform_keys { |key| key.to_s.camelize(:lower) }
          .to_json
      end

      def to_html
        markdown(html_renderer).render(data).html_safe
      end

      def to_s
        markdown(plaintext_renderer).render(data)
      end

      def html_id
        [
          resource.class.name.underscore.gsub('/', '_'),
          attribute
        ].join('_')
      end

      private

      def html_renderer
        @html_renderer ||= Redcarpet::Render::HTML.new({
          safe_links_only: options.fetch(:safe_links_only, true),
          filter_html: options.fetch(:filter_html, true),
          with_toc_data: options.fetch(:with_toc_data, true),
          hard_wrap: options.fetch(:hard_wrap, true),
          link_attributes: options.fetch(:link_attributes, { rel: 'nofollow' })
        })
      end

      def plaintext_renderer
        @plaintext_renderer ||= Redcarpet::Render::StripDown
      end

      def markdown(renderer)
        @markdown ||= Redcarpet::Markdown.new(renderer, {
          autolink: options.fetch(:autolink, true),
          tables: options.fetch(:tables, true),
          no_intra_emphasis: options.fetch(:no_intra_emphasis, true),
          strikethrough: options.fetch(:strikethrough, true),
          highlight: options.fetch(:highlight, true),
          space_after_headers: options.fetch(:space_after_headers, true)
        })
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
administrate-field-simple_markdown-0.7.0	lib/administrate/field/simple_markdown.rb
administrate-field-simple_markdown-0.6.0	lib/administrate/field/simple_markdown.rb
administrate-field-simple_markdown-0.5.0	lib/administrate/field/simple_markdown.rb