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 61

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 38

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 42

def copy_over_necessary_files
  @prefix = "lib"
  cp_r(Dir["#{RP5_ROOT}/lib/templates/application/{*,**}"], @dest)
  @necessary_files = [@main_file_path]
  @necessary_files += Dir["#{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 File.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 68

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 18

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 && File.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 79

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 89

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