!7

!include once #1017126 // transpileRaw

sclass JavaEval extends DynPrintLog {
  S expression;
  transient bool calculating;
  transient O value;
  transient JTextArea taInput;
  transient Throwable error;
  
  visualize {
    ret withMargin(jvsplit(
      centerAndEastWithMarginInbetween(
        taInput = typeWriterTextArea(expression),
        vstackWithSpacing(
          jbutton("Fresh", rThread { refresh(); evalIt() }),
          jbutton("Eval", rThread evalIt))),
      super.visualize()));
  }
  
  void refresh {
    call(dm_transpiler(), 'refresh);
    print("Refreshed translator.");
  }
  
  void evalIt {
    if (calculating) ret;
    calculating = true;
    temp tempAfterwards(r { calculating = false });
    dm_javaEvalModule_doIt(gtt(taInput));
  }
}