java jlist 滑鼠事件_Java Swing - 如何處理JList上的滑鼠事件

import java.awt.BorderLayout;

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(String args[]) {

String labels[] = { "A", "B", "C", "D", "E", "F", "G", "H" };

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, BorderLayout.CENTER);

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);

}

}