!7

set flag DynModule. // for transpilation

cm JavaEval > DynPrintLog {
  S expression;
  bool realEval = true;
  transient bool calculating;
  transient O value;
  transient JTextArea taInput;
  transient Throwable error;
  
  visual withMargin(jvsplit(
    centerAndEastWithMarginInbetween(
      onCtrlEnter(taInput = jEnableUndoRedo(dm_typeWriterTextArea expression()), rThread { mediumRefresh(); evalIt() }),
      withTopMargin(3, vstackWithSpacing(5,
        withBottomMargin(fontSizePlus(4, makeBold(toolTip("Evaluate the code (always medium-refreshes)", jbutton("EVAL", rThread { mediumRefresh(); evalIt() }))))),
        toolTip("Evaluate in latest language version", jbutton("Fresh", rThread { refresh(); evalIt() })),
        centerAndEastWithMargin(
          withToolTip("Use the real Java compiler, don't use shortcuts - just leave checked if in doubt",
            dm_fieldCheckBox("Real", 'realEval)),
          jPopDownButton_noText(
            "Show Java Transpilation", rThread showJavaTranspilation,
          ))))),
    super));

  void mediumRefresh enter {
    dm_mediumRefreshTranspiler();
    loadFunctions_clearCache();
    print("Medium-refreshed translator.");
  }
  
  void refresh enter {
    dm_refreshTranspiler();
    loadFunctions_clearCache();
    print("Refreshed translator.");
  }
  
  void evalIt enter {
    if (calculating) ret;
    dm_action_printHere(shorten80(getText(taInput)), r {
      calculating = true;
      temp afterwards(r { calculating = false });
      dm_javaEvalModule_doIt(getText(taInput), realEval);
    }, printName := false);
  }
  
  void showJavaTranspilation enter {
    dm_showText("Java Transpilation", loadProgramTextFile("main.java"));
  }
}

Began life as a copy of #1016755