Mega Code Archive
How to use the list component
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import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
public class ListTest extends JFrame implements ListSelectionListener {
JLabel label = new JLabel("The fox jumps over the lazy dog.");
public ListTest() {
setTitle("ListTest: Press control to multi-select");
setSize(400, 300);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
String[] words = { "quick", "brown", "hungry", "wild", "silent", "huge" };
JList wordList = new JList(words);
JScrollPane scrollPane = new JScrollPane(wordList);
JPanel p = new JPanel();
p.add(scrollPane);
wordList.addListSelectionListener(this);
getContentPane().add(p, "South");
getContentPane().add(label, "Center");
}
public void valueChanged(ListSelectionEvent evt) {
JList source = (JList) evt.getSource();
Object[] values = source.getSelectedValues();
String text = "";
for (int i = 0; i < values.length; i++) {
String word = (String) values[i];
text += word + " ";
}
label.setText("The " + text + "fox jumps over the lazy dog.");
}
public static void main(String[] args) {
JFrame frame = new ListTest();
frame.show();
}
}
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