public void setMainWindow(MainWindow mw) {
   this.mw = mw;
   textView.setMainWindow(mw);
   xmlView.setMainWindow(mw);
   treeView.setMainWindow(mw);
   idleThread = new IdleThread(mw);
   idleThread.start();
 }
 private void notifyViews(Update upd) {
   idleThread.resetTimer();
   textView.textFromXMLView(getContent());
   mw.setFileStatus(true);
   mw.setGotInput(true);
 }