ExceptionPanel.java example

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ilarkesto-master
- src
package ilarkesto.swing;

import ilarkesto.base.Str;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

public class ExceptionPanel extends JPanel {

    public static void main(String[] args) {
        showErrorDialog(
            null,
            new RuntimeException(
                    new RuntimeException(
                            new RuntimeException(
                                    new RuntimeException(
                                            new RuntimeException(
                                                    new RuntimeException(
                                                            new RuntimeException(
                                                                    "Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!Unrecoverable error in your brain! Unrecoverable error in your brain! Unrecoverable error in your brain!"))))))));
    }

    private JComponent messageComponent;
    private JTextArea stackTraceField;
    private JPanel expandButtonPanel;

    public ExceptionPanel(Throwable exception) {

        // messageField = new JEditorPane();
        // messageField = new JTextArea(3, 50);
        // messageField = new JLabel();
        // messageField.setOpaque(false);
        // Font font = messageField.getFont();
        // messageField.setFont(new Font(font.getFamily(), Font.BOLD, font.getSize()));
        // String msg = Str.getRootCauseMessage(exception);
        // messageField.setText("<html>" + Str.replaceForHtml(msg));
        messageComponent = Swing.createMessageComponent(Str.getRootCauseMessage(exception));

        stackTraceField = new JTextArea(10, 50);
        stackTraceField.setOpaque(false);
        // stackTraceField.setFont(new Font(Font.MONOSPACED, Font.PLAIN, font.getSize() - 1));
        stackTraceField.setText(Str.getStackTrace(exception));

        setLayout(new BorderLayout(10, 10));
        add(messageComponent, BorderLayout.NORTH);

        JButton expandButton = new JButton("?");
        // expandButton.setFont(new Font(font.getFamily(), Font.PLAIN, font.getSize() - 5));
        expandButton.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                expand();
            }

        });
        expandButtonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT, 0, 0));
        expandButtonPanel.add(expandButton);
        add(expandButtonPanel, BorderLayout.EAST);

        setOpaque(false);
    }

    private void expand() {
        JScrollPane stackTraceFieldScrollPane = new JScrollPane(stackTraceField);
        add(stackTraceFieldScrollPane, BorderLayout.CENTER);
        remove(expandButtonPanel);
        Window window = Swing.getWindow(messageComponent);
        window.pack();
        Swing.center(window);
    }

    public static void showErrorDialog(Component parent, Throwable ex) {
        JOptionPane.showMessageDialog(parent, new ExceptionPanel(ex), "Error", JOptionPane.ERROR_MESSAGE);
    }

    public static void showDialog(Component parent, Throwable ex, String title) {
        JOptionPane.showMessageDialog(parent, new ExceptionPanel(ex), title, JOptionPane.ERROR_MESSAGE);
    }

}