!7

sclass ShowPrintLogOfModule extends DynModule {
  new DynModuleRef mate;
  
  transient StringBuffer log;
  transient JTextArea ta;
  
  void start {
    ownTimer(doEveryAndNow(1000, r updateMe));
  }
  
  JComponent visualize() {
    if (log == null) null;
    ret jSection(str(mate), ta = typeWriterTextArea(str(log)));
  }
  
  void update {
    if (setField(mate := DynModuleRef(dm_closestModule(this)))) {
      O m = mate!;
      //print(">> " + getClassName(m));
      log = (StringBuffer) getOpt(getMainClass(m), 'local_log);
      revisualize();
    }
    if (ta != null && log != null) setText(ta, str(log));
  }
}

Began life as a copy of #1016129