Convert Hierarchical OmniGraffle Document to JSON

graffle2hash.rb

#!/usr/bin/env ruby

# rubycocoa
require 'osx/cocoa'
include OSX
OSX.require_framework 'ScriptingBridge'

class GraffleConverter
  def initialize
    @graffle = SBApplication.applicationWithBundleIdentifier_("com.omnigroup.OmniGraffle")
  end
  
  def to_hash
    @shape_list = []

    @graffle.windows[0].document.canvases[0].layers[0].shapes.select do |s|
      @shape_list << s
      s.incomingLines.length == 0 and s.outgoingLines.length > 1
    end.collect { |root| process_node(root) }
  end
  
  # ==========
  # {
  #   'name':'node name',
  #   'children': [
  #     {...}, {...}
  #   ]
  # }
  # ==========
  
  private
  def process_node(shape)
    children = []

    shape.outgoingLines.each do |line|
      # destination is a graphic, not a shape, was having some issues working with shapes
      next_shape = @shape_list.detect { |d| d.valueForKey_("id") == line.destination.valueForKey_("id") }
      children << process_node(next_shape)
    end
    
    { :children => children, :name => shape.text.get.to_s }
  end
end

graffle_spree_categories.rb

#!/usr/bin/env ruby

require 'graffle2hash'

begin
  require 'rubygems'
  require 'json' 
  has_json = true
rescue Exception => e
  has_json = false
end

graffle_structure = GraffleConverter.new.to_hash

# this is for the spree commerce product importer
# convert to md formatted product lists

def find_node name, node_list
  d = node_list.detect { |n| n[:name] == name }
  return d if d
  
  node_list.each do |n|
    r = find_node name, n[:children]
    
    return r if not r.nil?
  end
  
  nil
end

def print_node node_list, path = [], level = 1
  node_list.each do |n|
    if n[:children].length > 0
      puts ("#" * level) + n[:name]
      print_node n[:children], path.dup.push(n[:name]), level + 1
    else
      puts path.join(" > ") + " > " + n[:name] + "  "
    end
  end 
end

if has_json
  puts find_node("Main Menu Bar", graffle_structure).to_json
else
  print_node find_node("Main Menu Bar", graffle_structure)[:children]
end