Java tutorial
/* * jGnash, a personal finance application * Copyright (C) 2001-2012 Craig Cavanaugh * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package jgnash.ui.components; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.factories.ButtonBarFactory; import com.jgoodies.forms.layout.FormLayout; import java.awt.Frame; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowEvent; import java.io.PrintWriter; import java.io.StringWriter; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JScrollPane; import javax.swing.JTextArea; import jgnash.ui.util.DialogUtils; import jgnash.util.Resource; /** * A simple exception dialog with a close button * * @author Craig Cavanaugh * */ public class ExceptionDialog extends JDialog implements ActionListener { private final Resource rb = Resource.get(); private JButton closeButton; private Throwable throwable; private JTextArea textArea; private JButton copyButton; public ExceptionDialog(Frame parent, Throwable throwable) { super(parent); setTitle(rb.getString("Title.UncaughtException")); setModal(true); this.throwable = throwable; layoutMainPanel(); closeButton.addActionListener(this); copyButton.addActionListener(this); setDefaultCloseOperation(DISPOSE_ON_CLOSE); DialogUtils.addBoundsListener(this); } private void layoutMainPanel() { FormLayout layout = new FormLayout("fill:max(80dlu;p):g", "f:max(120dlu;p):g, 6dlu, f:p"); DefaultFormBuilder builder = new DefaultFormBuilder(layout); builder.setDefaultDialogBorder(); closeButton = new JButton(rb.getString("Button.Close")); copyButton = new JButton(rb.getString("Button.CopyToClip")); textArea = getTextArea(throwable); builder.append(new JScrollPane(textArea)); builder.nextLine(); builder.nextLine(); builder.append(ButtonBarFactory.buildRightAlignedBar(copyButton, closeButton)); getContentPane().add(builder.getPanel()); pack(); setMinimumSize(getSize()); } private static JTextArea getTextArea(final Throwable t) { StringWriter sw = new StringWriter(); PrintWriter out = new PrintWriter(sw); t.printStackTrace(out); JTextArea textArea = new JTextArea(10, 30); textArea.append(sw.toString()); return textArea; } /** * Invoked when an action occurs. * * @param e action event */ @Override public void actionPerformed(ActionEvent e) { if (e.getSource() == closeButton) { dispatchEvent(new WindowEvent(this, WindowEvent.WINDOW_CLOSING)); } else if (e.getSource() == copyButton) { textArea.selectAll(); textArea.copy(); } } }