package com.swing;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JList;
import javax.swing.WindowConstants;
public class ListFrame extends javax.swing.JFrame {
private JList jList1;
private JButton jButton1;
private JButton jButton2;
private JList jList2;
private DefaultListModel listModel1;
private DefaultListModel listModel2;
private JButton jButton4;
private JButton jButton3;
{
//Set Look & Feel
try {
javax.swing.UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
} catch(Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
ListFrame inst = new ListFrame();
inst.setVisible(true);
}
public ListFrame() {
super();
initGUI();
}
private void initGUI() {
try {
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
getContentPane().setLayout(null);
{
listModel1 = new DefaultListModel();
listModel1.addElement("item 1");
listModel1.addElement("item 2");
listModel1.addElement("item 3");
listModel1.addElement("item 4");
listModel1.addElement("item 5");
listModel1.addElement("item 6");
jList1 = new JList(listModel1);
getContentPane().add(jList1);
jList1.setBounds(42, 28, 119, 203);
}
{
listModel2 = new DefaultListModel();
jList2 = new JList(listModel2);
getContentPane().add(jList2);
jList2.setBounds(238, 28, 119, 196);
}
{
jButton1 = new JButton();
getContentPane().add(jButton1);
jButton1.setText(">");
jButton1.setBounds(168, 84, 63, 28);
jButton1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
}
{
jButton2 = new JButton();
getContentPane().add(jButton2);
jButton2.setText(" jButton2.setBounds(168, 133, 63, 28);
jButton2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
}
{
jButton3 = new JButton();
getContentPane().add(jButton3);
jButton3.setText("添加");
jButton3.setBounds(168, 35, 63, 28);
jButton3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
}
{
jButton4 = new JButton();
getContentPane().add(jButton4);
jButton4.setText("删除");
jButton4.setBounds(168, 189, 63, 28);
jButton4.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
}
pack();
setSize(400, 300);
setLocationRelativeTo(null);
} catch (Exception e) {
e.printStackTrace();
}
}
private void jButton1ActionPerformed(ActionEvent evt) {
if(jList1.getSelectedIndex()!=-1){
listModel2.addElement(jList1.getSelectedValue());
int i=jList1.getSelectedIndex();
listModel1.remove(i);
jList1.setSelectedIndex(i>0? i-1:0);
jList2.setSelectedIndex(listModel2.size()-1);
}
}
private void jButton2ActionPerformed(ActionEvent evt) {
if(jList2.getSelectedIndex()!=-1){
listModel1.addElement(jList2.getSelectedValue());
int i=jList2.getSelectedIndex();
listModel2.remove(i);
jList2.setSelectedIndex(i>0? i-1:0);
}
}
private void jButton3ActionPerformed(ActionEvent evt) {
listModel1.addElement("new item");
}
private void jButton4ActionPerformed(ActionEvent evt) {
if(jList1.getSelectedIndex()!=-1){
listModel1.remove(jList1.getSelectedIndex());
}
}
}