Allow for processing four installed

Author: monkstone

lib/jruby_art/processing_ide.rb

@@ -2,6 +2,8 @@
 
 # detects processing preferences.txt, extracts sketchbook_path
 class ProcessingIde
+  THREE='sketchbook.path.three='.freeze
+  FOUR='sketchbook.path.four='.freeze
   attr_reader :preferences
   def initialize
     @preferences = File.join(ENV['HOME'], '.processing', 'preferences.txt')
@@ -14,9 +16,9 @@ def installed?
   def sketchbook_path
     File.open(preferences, 'r') do |file|
       file.each_line do |line|
-        if /sketchbook/.match?(line)
-          return line.tap { |sli| sli.slice!('sketchbook.path.three=') }.chomp
-        end
+        return line.tap { |sli| sli.slice!(FOUR) }.chomp if /sketchbook.path.four/.match?(line)
+
+        return line.tap { |sli| sli.slice!(THREE) }.chomp if /sketchbook.path.three/.match?(line)
       end
     end
   end