import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class TextFieldTest extends JFrame
{
private JTextField text1, text2, text3;
private JPasswordField password;
public TextFieldTest()
{
super( "Testing JTextField and JPasswordField" );
Container c = getContentPane();
c.setLayout( new FlowLayout() );
// construct textfield with default sizing
text1 = new JTextField( 10 );
c.add( text1 );
// construct textfield with default text
text2 = new JTextField( "Enter text here" );
c.add( text2 );
// construct textfield with default text and
// 20 visible elements and no event handler
text3 = new JTextField( "Uneditable text field", 20 );
text3.setEditable( false );
c.add( text3 );
// construct textfield with default text
password = new JPasswordField( "Hidden text" );
c.add( password );
TextFieldHandler handler = new TextFieldHandler();
text1.addActionListener( handler );
text2.addActionListener( handler );
text3.addActionListener( handler );
password.addActionListener( handler );
setSize( 325, 100 );
show();
}
public static void main( String args[] )
{
TextFieldTest app = new TextFieldTest();
app.addWindowListener( new WindowAdapter()
{
public void windowClosing( WindowEvent e )
{
System.exit( 0 );
}
} );
}
private class TextFieldHandler implements ActionListener
{
public void actionPerformed( ActionEvent e )
{
String s = "";
if ( e.getSource() == text1 )
s = "text1: " + e.getActionCommand();
else if ( e.getSource() == text2 )
s = "text2: " + e.getActionCommand();
else if ( e.getSource() == text3 )
s = "text3: " + e.getActionCommand();
else if ( e.getSource() == password )
{
JPasswordField pwd = (JPasswordField) e.getSource();
s = "password: " + new String( pwd.getPassword() );
}
JOptionPane.showMessageDialog( null, s );
}
}
}