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.splash; import com.jgoodies.forms.builder.DefaultFormBuilder; import com.jgoodies.forms.factories.ButtonBarFactory; import com.jgoodies.forms.layout.FormLayout; import com.jgoodies.forms.layout.RowSpec; import java.awt.ComponentOrientation; import java.awt.Dimension; import java.awt.EventQueue; import java.awt.Font; import java.awt.Frame; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowEvent; import java.net.URL; import java.util.Locale; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JButton; import javax.swing.JCheckBox; import javax.swing.JComponent; import javax.swing.JDialog; import javax.swing.JEditorPane; import javax.swing.JScrollPane; import javax.swing.JTabbedPane; import javax.swing.UIManager; import javax.swing.WindowConstants; import javax.swing.text.html.HTMLDocument; import jgnash.ui.util.HTMLResource; import jgnash.util.Resource; import org.jfree.ui.about.SystemPropertiesPanel; /** * This is the jGnash About Dialog. * * @author Craig Cavanaugh * */ public class AboutDialog extends JDialog implements ActionListener { private final Resource rb = Resource.get(); private JTabbedPane tabbedPane; private final boolean acceptLicense; private JCheckBox acceptBox; private JButton closeButton; public static void showDialog(final Frame parent) { EventQueue.invokeLater(new Runnable() { @Override public void run() { JDialog dlg = new AboutDialog(parent, false); dlg.setVisible(true); } }); } public static boolean showAcceptLicenseDialog() { AboutDialog dlg = new AboutDialog(null, true); dlg.setVisible(true); return dlg.isAccepted(); } private AboutDialog(final Frame parent, final boolean acceptLicense) { super(parent, true); applyComponentOrientation(ComponentOrientation.getOrientation(Locale.getDefault())); this.acceptLicense = acceptLicense; setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE); layoutMainPanel(); // Get the system resolution Dimension res = Toolkit.getDefaultToolkit().getScreenSize(); // make sure the dialog is not too big Dimension size = new Dimension(Math.min(600, res.width - 80), Math.min(600, res.height - 80)); setSize(size); setLocationRelativeTo(parent); } private void initComponents() { tabbedPane = new javax.swing.JTabbedPane(); setTitle(rb.getString("Title.About")); addHTMLTab(rb.getString("Menu.About.Name"), "notice.html"); addHTMLTab(rb.getString("Tab.Credits"), "credits.html"); JComponent defaultTab = addHTMLTab("jGnash License", "jgnash-license.html"); addHTMLTab(rb.getString("Tab.GPLLicense"), "gpl-license.html"); addHTMLTab(rb.getString("Tab.LGPLLicense"), "lgpl.html"); addHTMLTab("Apache License", "apache-license.html"); addHTMLTab("JGoodies Common License", "jgoodies-common-license.html"); addHTMLTab("JGoodies Forms License", "jgoodies-forms-license.html"); addHTMLTab("JGoodies Looks License", "jgoodies-looks-license.html"); addHTMLTab("Tango Icons License", "sharealike-license.html"); addHTMLTab("XStream License", "xstream-license.html"); addHTMLTab("Substance License", "substance-license.html"); addHTMLTab("JXLayer License", "jxlayer-license.html"); tabbedPane.addTab(rb.getString("Tab.SysInfo"), new SystemPropertiesPanel()); tabbedPane.setSelectedComponent(defaultTab); } private void layoutMainPanel() { initComponents(); FormLayout layout = new FormLayout("200dlu:g", ""); DefaultFormBuilder builder = new DefaultFormBuilder(layout); builder.setDefaultDialogBorder(); builder.appendRow(RowSpec.decode("fill:200dlu:g")); builder.append(tabbedPane); if (acceptLicense) { acceptBox = new JCheckBox(rb.getString("Message.AcceptLicense")); closeButton = new JButton(rb.getString("Button.Close")); closeButton.addActionListener(this); builder.nextLine(); builder.appendUnrelatedComponentsGapRow(); builder.nextLine(); builder.append(acceptBox); builder.nextLine(); builder.appendUnrelatedComponentsGapRow(); builder.nextLine(); builder.append(ButtonBarFactory.buildCloseBar(closeButton)); } getContentPane().add(builder.getPanel()); pack(); } private JComponent addHTMLTab(final String name, final String url) { try { URL noticeURL = HTMLResource.getURL(url); JEditorPane p = new JEditorPane(noticeURL); Font font = UIManager.getFont("Label.font"); String bodyRule = "body { font-family: " + font.getFamily() + "; " + "font-size: " + font.getSize() + "pt; }"; ((HTMLDocument) p.getDocument()).getStyleSheet().addRule(bodyRule); p.setEditable(false); p.setAutoscrolls(true); JScrollPane pane = new JScrollPane(p); tabbedPane.add(name, pane); return pane; } catch (final Exception e) { Logger.getLogger(AboutDialog.class.getName()).log(Level.SEVERE, e.toString(), e); } return null; } private boolean isAccepted() { return acceptBox.isSelected(); } @Override public void actionPerformed(final ActionEvent e) { if (e.getSource() == closeButton) { dispatchEvent(new WindowEvent(AboutDialog.this, WindowEvent.WINDOW_CLOSING)); } } }