Method: Textbringer::Buffer#redo

Defined in:
lib/textbringer/buffer.rb

#redo ⇒ Object 



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# File 'lib/textbringer/buffer.rb', line 1038

def redo
  check_read_only_flag
  if @redo_stack.empty?
    raise EditorError, "No further redo information"
  end
  action = @redo_stack.pop
  @undoing = true
  begin
    was_modified = @modified
    action.redo
    if action.version == @version
      @modified = false
      action.version = nil
    elsif !was_modified
      action.version = @version
    end
    @undo_stack.push(action)
  ensure
    @undoing = false
  end
end