FileDocCategorySizeDatePackage
ListModelExample.javaAPI DocExample1561Thu Oct 24 20:14:22 BST 2002None

ListModelExample

public class ListModelExample extends JPanel

Fields Summary
JList
list
DefaultListModel
model
int
counter
Constructors Summary
public ListModelExample()


      
        setLayout(new BorderLayout());
        model = new DefaultListModel();
        list = new JList(model);
        JScrollPane pane = new JScrollPane(list);
        JButton addButton = new JButton("Add Element");
        JButton removeButton = new JButton("Remove Element");
        for (int i = 0; i < 15; i++)
            model.addElement("Element " + i);

        addButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                model.addElement("Element " + counter);
                counter++;
            }
        });
        removeButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            if (model.getSize() > 0)
                model.removeElementAt(0);
            }
        });

        add(pane, BorderLayout.NORTH);
        add(addButton, BorderLayout.WEST);
        add(removeButton, BorderLayout.EAST);
Methods Summary
public static voidmain(java.lang.String[] s)

         JFrame frame = new JFrame("List Model Example");
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.setContentPane(new ListModelExample());
         frame.setSize(260, 200);
         frame.setVisible(true);