public static void preferences() {
if (pref == null) {
JFrame parent = null;
if (window.isVisible()) {
parent = window;
}
PrefPanel panel;
if (prefclass == null) {
panel = new PrefPanel();
} else {
panel = (PrefPanel) newInstance(prefclass);
}
panel.setParentFrame(parent);
int result =
JOptionPane.showConfirmDialog(
parent,
panel,
"Preferences",
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.PLAIN_MESSAGE,
new ImageIcon());
if (result == JOptionPane.OK_OPTION) {
panel.savePreferences();
} else {
}
} else {
pref.setVisible(true);
}
}
public static void about() {
Component parent = null;
if (window.isVisible()) {
parent = window;
}
AboutPanel panel;
if (aboutclass == null) {
panel = new AboutPanel();
} else {
panel = (AboutPanel) newInstance(aboutclass);
}
JOptionPane.showMessageDialog(
parent, panel, "About", JOptionPane.INFORMATION_MESSAGE, AboutImage());
}