Java JList.locationToIndex(Point location)
Syntax
JList.locationToIndex(Point location) has the following syntax.
public int locationToIndex(Point location)
Example
In the following code shows how to use JList.locationToIndex(Point location) method.
//from w w w.j av a 2 s . c o m
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;
public class Main {
public static void main(final String args[]) {
final String labels[] = { "A", "B", "C", "D", "E" };
JFrame frame = new JFrame("Selecting JList");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JList jlist = new JList(labels);
JScrollPane scrollPane1 = new JScrollPane(jlist);
frame.add(scrollPane1);
MouseListener mouseListener = new MouseAdapter() {
public void mouseClicked(MouseEvent mouseEvent) {
JList theList = (JList) mouseEvent.getSource();
if (mouseEvent.getClickCount() == 2) {
int index = theList.locationToIndex(mouseEvent.getPoint());
if (index >= 0) {
Object o = theList.getModel().getElementAt(index);
System.out.println("Double-clicked on: " + o.toString());
}
}
}
};
jlist.addMouseListener(mouseListener);
frame.setSize(350, 200);
frame.setVisible(true);
}
}
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