Mega Code Archive

 

Categories / Java Tutorial / Swing

 

ListSelectionModel Modes

By default, every JList component is in multiple-selection mode. ModeDescription ListSelectionModel.SINGLE_SELECTIONOne item at a time can be selected. ListSelectionModel.SINGLE_INTERVAL_SELECTIONOne contiguous range of items can be selected. ListSelectionModel.MULTIPLE_INTERVAL_SELECTIONAny set of ranges can be selected. import java.awt.BorderLayout; import javax.swing.DefaultListModel; import javax.swing.JFrame; import javax.swing.JList; import javax.swing.JScrollPane; import javax.swing.ListSelectionModel; public class SelectionModeDemo {   public static void main(String args[]) {     JFrame frame = new JFrame("Sizing Samples");     frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);     DefaultListModel model = new DefaultListModel();     model.ensureCapacity(100);     for (int i = 0; i < 100; i++) {       model.addElement(Integer.toString(i));     }     JList jlist2 = new JList(model);     jlist2.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION );          JScrollPane scrollPane2 = new JScrollPane(jlist2);     frame.add(scrollPane2, BorderLayout.CENTER);     frame.setSize(300, 350);     frame.setVisible(true);   } }