import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class Listing3501
extends JFrame
implements ActionListener
{
private static final String[] MONTHS = {
"Januar", "Februar", "März", "April",
"Mai", "Juni", "Juli", "August",
"September", "Oktober", "November", "Dezember"
};
public Listing3501()
{
super("Mein erstes Swing-Programm");
//Panel zur Namenseingabe hinzufügen
JPanel namePanel = new JPanel();
JLabel label = new JLabel(
"Name:",
new ImageIcon("triblue.gif"),
SwingConstants.LEFT
);
namePanel.add(label);
JTextField tf = new JTextField(30);
tf.setToolTipText("Geben Sie ihren Namen ein");
namePanel.add(tf);
namePanel.setBorder(BorderFactory.createEtchedBorder());
getContentPane().add(namePanel, BorderLayout.NORTH);
//Monatsliste hinzufügen
JList list = new JList(MONTHS);
list.setToolTipText("Wählen Sie ihren Geburtsmonat aus");
getContentPane().add(new JScrollPane(list), BorderLayout.CENTER);
//Panel mit den Buttons hinzufügen
JPanel buttonPanel = new JPanel();
JButton button1 = new JButton("Metal");
button1.addActionListener(this);
button1.setToolTipText("Metal-Look-and-Feel aktivieren");
buttonPanel.add(button1);
JButton button2 = new JButton("Motif");
button2.addActionListener(this);
button2.setToolTipText("Motif-Look-and-Feel aktivieren");
buttonPanel.add(button2);
JButton button3 = new JButton("Windows");
button3.addActionListener(this);
button3.setToolTipText("Windows-Look-and-Feel aktivieren");
buttonPanel.add(button3);
buttonPanel.setBorder(BorderFactory.createEtchedBorder());
getContentPane().add(buttonPanel, BorderLayout.SOUTH);
//Windows-Listener
addWindowListener(new WindowClosingAdapter(true));
}
public void actionPerformed(ActionEvent event)
{
String cmd = event.getActionCommand();
try {
//PLAF-Klasse auswählen
String plaf = "unknown";
if (cmd.equals("Metal")) {
plaf = "javax.swing.plaf.metal.MetalLookAndFeel";
} else if (cmd.equals("Motif")) {
plaf = "com.sun.java.swing.plaf.motif.MotifLookAndFeel";
} else if (cmd.equals("Windows")) {
plaf = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
}
//LAF umschalten
UIManager.setLookAndFeel(plaf);
SwingUtilities.updateComponentTreeUI(this);
} catch (UnsupportedLookAndFeelException e) {
System.err.println(e.toString());
} catch (ClassNotFoundException e) {
System.err.println(e.toString());
} catch (InstantiationException e) {
System.err.println(e.toString());
} catch (IllegalAccessException e) {
System.err.println(e.toString());
}
}
public static void main(String[] args)
{
Listing3501 frame = new Listing3501();
frame.setLocation(100, 100);
frame.pack();
frame.setVisible(true);
}
}
