Class: Processing::Creator

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

Overview

This class creates blank sketches, with the boilerplate filled in.

Constant Summary collapse

ALL_DIGITS = 
/\A\d+\Z/

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

#create!(path, args, p3d) ⇒ Object

Create a blank sketch, given a path.



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# File 'lib/ruby-processing/exporters/creator.rb', line 9

def create!(path, args, p3d)
  usage path
  main_file = File.basename(path, ".rb")
  # Check to make sure that the main file exists
  already_exists = File.exist?(path) || File.exist?("#{File.dirname(path)}/#{main_file.underscore}.rb")
  if already_exists
    puts "That sketch already exists."
    exit
  end
  
  # Get the substitutions
  @name           = main_file.camelize
  @file_name      = main_file.underscore
  @title          = main_file.titleize
  
  @width, @height = args[0], args[1]
  @with_size      = @width && @width.match(ALL_DIGITS) &&
                    @height && @height.match(ALL_DIGITS)
  
  # Make the file
  dir = File.dirname path
  mkdir_p dir
  template_name = p3d ? 'p3d_sketch.rb.erb' : 'blank_sketch.rb.erb'
  template = File.new("#{RP5_ROOT}/lib/templates/create/#{template_name}")
  rendered = render_erb_from_string_with_binding(template.read, binding)
  full_path = File.join(dir, "#{@file_name}.rb")
  File.open(full_path, "w") {|f| f.print(rendered) }
  puts "Created Sketch \"#{@name}\" in #{full_path.sub(/\A\.\//, '')}"
end

#usage(predicate) ⇒ Object

Show the help/usage message for create.



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# File 'lib/ruby-processing/exporters/creator.rb', line 40

def usage(predicate)
  unless predicate
    puts <<-USAGE
  
  Usage: script/generate <sketch_to_generate> <width> <height>
  Width and Height are optional.
  
  Example: script/generate fancy_drawing/app 800 600
  
  USAGE
    exit
  end
end