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Original geschrieben von DarkJedi
Hallo,
wie kann ich in einer JList selektierte Elemente entfernen? Ich habe kein Methode gefunden, die das erledigt.
ciao!
DarkJedi
import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JList;
/*
* Created on 10.06.2004
*/
/**
* @author Administrator
*/
public class JListExample extends JFrame {
private JList list;
private JButton button;
private DefaultListModel model;
public JListExample() {
super("JListExample");
setSize(50, 50);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//ListModel füllen
model = new DefaultListModel() {
{
addElement("Item0");
addElement("Item1");
addElement("Item2");
addElement("Item3");
addElement("Item4");
addElement("Item5");
addElement("Item6");
addElement("Item7");
addElement("Item8");
addElement("Item9");
}
};
list = new JList(model);
button = new JButton("remove selected Item");
button.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent evt) {
int idx = list.getSelectedIndex();
if (-1 == idx) {
//No item selected
return;
}
Object o = model.remove(idx);
System.out.println(o + " removed at " + idx);
}
});
getContentPane().setLayout(new BorderLayout());
getContentPane().add(list, BorderLayout.NORTH);
getContentPane().add(button, BorderLayout.SOUTH);
pack();
setVisible(true);
}
public static void main(String[] args) {
new JListExample();
}
}