redcar/plugins/edit_view_swt/lib/edit_view_swt.rb

edit_view_swt.rb

 #how grammar is set

   def update_grammar(new_mirror)
      title = new_mirror.title
      contents = new_mirror.read
      first_line = contents.to_s.split("\n").first
      # @mate_text is a MateText object (see javamateview project)
      grammar_name = @mate_text.set_grammar_by_first_line(first_line) if first_line
      unless grammar_name
        grammar_name = @mate_text.set_grammar_by_filename(title)
      end
      grammar_name ||= "Plain Text"
      @model.set_grammar(grammar_name)
    end

Yay Ruby!!