!592 // auto-import

!614 // actionListener {

!619 // standard classes (LetterLayout, CenteredLine)

!1000280 // class x12

import java.awt.*;

import java.util.List;

public class main {

  public static void main(String[] args) {

    JFrame frame = new JFrame("JavaX IDE!");

    final JTextArea textArea = new JTextArea();

    JButton btnGo = new JButton("Go!");

    btnGo.addActionListener(actionListener {

      try {

        File ioBaseDir = new File(".");

        File src = x12.TempDirMaker_make();

        x12.saveTextFile(new File(src, "main.java").getPath(), textArea.getText());

        x12.javax4(src.getPath(), ioBaseDir, false, false);

      } catch (Throwable e) {

        popupError(e);

      }

    });

    JPanel panel = new JPanel(new LetterLayout("T", "T", "B").setBorder(10));

    panel.add("T", new JScrollPane(textArea));

    panel.add("B", new CenteredLine(btnGo));

    frame.add(panel);

    frame.setBounds(100, 100, 500, 400);

    frame.setVisible(true);

    exitOnFrameClose(frame);

  }

  static void exitOnFrameClose(JFrame frame) {

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

  }

  static void popupError(final Throwable throwable) {

    throwable.printStackTrace(); // print stack trace to console for the experts

    SwingUtilities.invokeLater(new Runnable() {

      public void run() {

        String text = throwable.toString();

        //text = cutPrefix(text, "java.lang.RuntimeException: ");

        JOptionPane.showMessageDialog(null, text);

      }

    });

  }

}