public void setGcodeFile(String file) {
   gcodeModel.setGcodeFile(file);
   gcodeRenderer.setObjectSize(gcodeModel.getMin(), gcodeModel.getMax());
 }
 @Override
 public void commandComplete(GcodeCommand command) {
   gcodeModel.setCurrentCommandNumber(command.getCommandNumber());
   // TODO: When to redraw??
 }