import java.awt.GridLayout;
import javax.swing.InputVerifier;
import javax.swing.JComponent;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class MainClass {
public static void main(String argv[]) {
java.net.URL u = null;
try {
u = new java.net.URL("http://www.rntsoft.com/");
} catch (java.net.MalformedURLException ignored) {
}
JFormattedTextField ftf1 = new JFormattedTextField(u);
JFormattedTextField ftf2 = new JFormattedTextField(u);
ftf2.setInputVerifier(new InputVerifier() {
public boolean verify(JComponent input) {
if (!(input instanceof JFormattedTextField))
return true;
return ((JFormattedTextField) input).isEditValid();
}
});
JPanel p = new JPanel(new GridLayout(0, 2, 3, 8));
p.add(new JLabel("plain JFormattedTextField:"));
p.add(ftf1);
p.add(new JLabel("FTF with InputVerifier:"));
p.add(ftf2);
p.add(new JLabel("plain JTextField:"));
p.add(new JTextField(u.toString()));
JFrame f = new JFrame("MainClass");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(new JLabel("Try to delete the colon in each field."), "North");
f.getContentPane().add(p, "Center");
f.pack();
f.setVisible(true);
}
}