Make a JList like a scrolling text displayTag(s): Swing
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import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import java.util.*;
public class JListExample extends JPanel {
static MyJList mj;
public static void main(String s[]) {
JListExample ex = new JListExample();
JFrame frame = new JFrame("JList Scrolling Display");
JButton button = new JButton("Insert");
ex.mj = new MyJList();
ex.mj.list.setModel (new DefaultListModel());
frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
frame.getContentPane().setLayout(new FlowLayout());
frame.getContentPane().add(ex.mj);
frame.getContentPane().add(button);
button.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent ae) {
DefaultListModel dlm =
(DefaultListModel)JListExample.mj.list.getModel();
dlm.addElement
((Object) new Long(System.currentTimeMillis()));
JListExample.mj.list.ensureIndexIsVisible
(JListExample.mj.list.getModel().getSize() - 1);
}
});
frame.setSize(300, 300);
frame.setVisible(true);
}
}
class MyJList extends JPanel {
JList list;
public MyJList() {
setLayout(new BorderLayout());
list = new JList();
add(new JScrollPane(list));
}
public Dimension getPreferredSize() {
return new Dimension(150, 250);
}
}