Class: Processing::ApplicationExporter

Inherits:
BaseExporter show all
Defined in:
lib/ruby-processing/exporters/application_exporter.rb

Overview

A utility class to export Ruby-Processing sketches as Mac/Win/Nix Applications.

Constant Summary collapse

USAGE = 
<<-EOS

The application exporter will generate a Mac application for you.
Usage: script/application <path_to_sketch>
Example: script/applet samples/jwishy.rb
Probably won't work with Oracle Java on Mac

EOS

Constants inherited from BaseExporter

BaseExporter::DEFAULT_DESCRIPTION, BaseExporter::DEFAULT_DIMENSIONS, BaseExporter::NECESSARY_FOLDERS

Instance Method Summary collapse

Methods inherited from BaseExporter

#extract_class_name, #extract_description, #extract_dimension, #extract_information, #extract_libraries, #extract_real_requires, #extract_title, #get_main_file

Instance Method Details

#calculate_substitutions ⇒ Object 



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# File 'lib/ruby-processing/exporters/application_exporter.rb', line 62

def calculate_substitutions
  file_list = ['lib/ruby/jruby-complete.jar']
  @class_path = file_list.map { |f| '$JAVAROOT/' + f.sub(@prefix + '/', '') }.join(':')
  @linux_class_path = '.:../lib/ruby/*:../lib/*:../lib/library/*'
  @windows_class_path = '.;../lib/ruby/*;../lib/*;../lib/library/*'
end

#compute_destination_name ⇒ Object 



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# File 'lib/ruby-processing/exporters/application_exporter.rb', line 39

def compute_destination_name
  @dest = "#{@title}.app"
end

#copy_over_necessary_files ⇒ Object 



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# File 'lib/ruby-processing/exporters/application_exporter.rb', line 43

def copy_over_necessary_files
  @prefix = 'lib'
  cp_r(Dir["#{RP5_ROOT}/lib/templates/application/{*,**}"], @dest)
  @necessary_files = [@main_file_path]
  @necessary_files += Dir["#{RP_CONFIG['PROCESSING_ROOT']}/core/library/{*,**}"]
  @necessary_files += Dir["#{RP5_ROOT}/lib/{*,**}"]
  @necessary_files += @real_requires
  NECESSARY_FOLDERS.each do |folder|
    resource_path = File.join(@main_folder, folder)
    @necessary_files << resource_path if FileTest.exist?(resource_path)
  end
  @necessary_files.uniq!
  cp_r(@necessary_files, File.join(@dest, @prefix))
  cp_r(@libraries, File.join(@dest, @prefix, 'library')) unless @libraries.empty?
  # Then move the icon
  potential_icon = Dir.glob(File.join(@dest, @prefix, 'data/*.icns'))[0]
  move(potential_icon, File.join(@dest, 'Contents/Resources/sketch.icns'), force: true) if potential_icon
end

#create_executables ⇒ Object 



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# File 'lib/ruby-processing/exporters/application_exporter.rb', line 69

def create_executables
  render_erb_in_path_with_binding(@dest, binding, delete: true)
  rm Dir.glob(@dest + "/**/*.java")
  runnable = @dest + '/' + File.basename(@main_file, '.rb')
  move @dest + '/run', runnable
  move @dest + '/run.exe', "#{runnable}.exe"
  chmod 0755, runnable
  chmod 0755, "#{runnable}.exe"
  chmod 0755, File.join(@dest, 'Contents', 'MacOS', 'JavaApplicationStub')
end

#export!(sketch) ⇒ Object 



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# File 'lib/ruby-processing/exporters/application_exporter.rb', line 19

def export!(sketch)
  # Check to make sure that the main file exists
  @main_file_path, @main_file, @main_folder = *get_main_file(sketch)
  usage(@main_file_path && FileTest.exist?(@main_file_path))

  extract_information

  compute_destination_name

  wipe_and_recreate_destination

  copy_over_necessary_files

  calculate_substitutions

  create_executables

  symlink_library_into_place
end

#symlink_library_into_place ⇒ Object 



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# File 'lib/ruby-processing/exporters/application_exporter.rb', line 80

def symlink_library_into_place
  cd @dest + '/Contents/Resources'
  # Poor ol' windows can't symlink.
  # TODO...
  win ||= RbConfig::CONFIG['host_os'].match(/mswin/i)
  win ||= RbConfig::CONFIG['host_os'].match(/windows/i)
  puts "\n[warning] Applications exported from Windows won't run on Macs...\n" if win
  ln_s('../../lib', 'Java') unless win
end

#usage(predicate) ⇒ Object 



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# File 'lib/ruby-processing/exporters/application_exporter.rb', line 90

def usage(predicate)
  return if predicate
  puts USAGE
  exit
end