lib/taskjuggler/Tj3AppBase.rb in taskjuggler-3.0.0 vs lib/taskjuggler/Tj3AppBase.rb in taskjuggler-3.1.0

@@ -1,24 +1,26 @@
 #!/usr/bin/env ruby -w
 # encoding: UTF-8
 #
 # = Tj3AppBase.rb -- The TaskJuggler III Project Management Software
 #
-# Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011
+# Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011, 2012
 #               by Chris Schlaeger <[e-mail]>
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of version 2 of the GNU General Public License as
 # published by the Free Software Foundation.
 #
 
 require 'rubygems'
 require 'optparse'
+require 'term/ansicolor'
 require 'taskjuggler/Tj3Config'
 require 'taskjuggler/RuntimeConfig'
 require 'taskjuggler/TjTime'
 require 'taskjuggler/TextFormatter'
+require 'taskjuggler/Log'
 
 class TaskJuggler
 
   class TjRuntimeError < RuntimeError
   end
@@ -33,10 +35,15 @@
       # Show some progress information by default
       @silent = false
       @configFile = nil
       @mandatoryArgs = ''
       @mininumRubyVersion = '1.9.2'
+
+      # If stdout is not a tty, we don't use ANSI escape sequences to color
+      # the terminal output. Additionally, we have the --no-color option to
+      # force colors off in case this does not work properly.
+      Term::ANSIColor.coloring = STDOUT.tty?
     end
 
     def processArguments(argv)
       @opts = OptionParser.new
       @opts.summary_width = @optsSummaryWidth
@@ -57,9 +64,19 @@
          @configFile = arg
       end
       @opts.on('--silent',
                format("Don't show program and progress information")) do
         @silent = true
+        TaskJuggler::Log.silent = true
+      end
+      @opts.on('--no-color',
+               format(<<'EOT'
+Don't use ANSI contol sequences to color the terminal output. Colors should
+only be used when spooling to an ANSI terminal. In case the detection fails,
+you can this option to force colors to be off.
+EOT
+                     )) do
+        Term::ANSIColor::coloring = false
       end
       @opts.on('--debug', format('Enable Ruby debug mode')) do
         $DEBUG = true
       end