import?java.awt.*;
import?java.awt.event.*;
import?javax.swing.*;
import?javax.swing.event.*;
import?java.util.*;

/**
?*?
title:?分割面板

?*?
Description:?演示將面板分割成左右兩部分

?*?
Copyright:?Copyright?（c）?2003

?*?
Filename:SplitPaneDemo.java?

?*?@author?杜江
?*?@version?1.0
?*/
public?class?SplitPaneDemo?implements?ListSelectionListener?{
????private?String[]?imageNames={“Bird.gif““Cat.gif““Dog.gif““Pig.gif“};
????private?JLabel?picture;
????private?JList?list;
????private?JSplitPane?splitPane;
/**
?*
方法說明：構(gòu)造器，定義了所有要使用的構(gòu)件
?*
輸入?yún)?shù)：
?*
返回類型：
?*/
????public?SplitPaneDemo（）?{
????????
????????//創(chuàng)建一個(gè)圖像名稱的列表，設(shè)置為單選方式
????????list?=?new?JList（imageNames）;
????????list.setSelectionMode（ListSelectionModel.SINGLE_SELECTION）;
????????list.setSelectedIndex（0）;
????????list.addListSelectionListener（this）;
????????JScrollPane?listScrollPane?=?new?JScrollPane（list）;

????????//獲取默認(rèn)的圖片
????????ImageIcon?firstImage?=?createImageIcon（“images/“?+
?????????????????????????????????????（String）imageNames[0]）;
????????if?（firstImage?!=?null）?{
????????????picture?=?new?JLabel（firstImage）;
????????????picture.setPreferredSize（new?Dimension（firstImage.getIconWidth（）
???????????????????????????????????????????????????firstImage.getIconHeight（）））;
????????}?else?{
????????????picture?=?new?JLabel（（String）imageNames[0]）;
????????}
????????JScrollPane?pictureScrollPane?=?new?JScrollPane（picture）;

????????//創(chuàng)建一個(gè)水平分割的面板，定義了兩個(gè)面板的名字。
????????splitPane?=?new?JSplitPane（JSplitPane.HORIZONTAL_SPLITtrue
???????????????????????????????????listScrollPane?pictureScrollPane）;
????????splitPane.setOneTouchExpandable（true）;
????????splitPane.setDividerLocation（150）;

????????//定義面板的最小尺寸
????????Dimension?minimumSize?=?new?Dimension（100?50）;
????????listScrollPane.setMinimumSize（minimumSize）;
????????pictureScrollPane.setMinimumSize（minimumSize）;

????????//定義初始尺寸
????????splitPane.setPreferredSize（new?Dimension（400?200））;
????}
/**
?*
方法說明：獲得這個(gè)分割的面板
?*
輸入?yún)?shù)：
?*
返回類型：JSplitPane?對(duì)象
?*/
????public?JSplitPane?getSplitPane（）?{
????????return?splitPane;
????}
/**
?*
方法說明：列表監(jiān)聽事件處理
?*
輸入?yún)?shù)：ListSelectionEvent?e?列表選擇事件
?*
返回類型：
?*/
????public?void?valueChanged（ListSelectionEvent?e）?{
????????if?（e.getValueIsAdjusting（））
????????????return;

????????JList?theList?=?（JList）e.getSource（）;
????????if?（theList.isSelectionEmpty（））?{
????????????picture.setIcon（null）;
????????????picture.setText（null）;
????????}?else?{
????????????int?index?=?theList.getSelectedIndex（）;
????????????ImageIcon?newImage?=?createImageIcon（“images/“?+
?????????????????????????????????????（String）imageNames[index]）;
????????????picture.setIcon（newImage）;
????????????if?（newImage?!=?null）?{
????????????????picture.setText（null）;
????????????????picture.setPreferredSize（new?Dimension（newImage.getIconWidth（）
???????????????????????????????????????????????????????newImage.getIconHeight（）?））;
????????????}?else?{
????????????????picture.setText（“Image?not?found:?“
????????????????????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????3658??2003-11-08?23:12??實(shí)例22?分割一個(gè)面板\SplitPaneDemo.class

?????文件???????4219??2003-11-11?23:17??實(shí)例22?分割一個(gè)面板\SplitPaneDemo.java

?????文件???????5377??2003-10-15?11:12??實(shí)例22?分割一個(gè)面板\images\Bird.gif

?????文件???????3366??2003-10-15?11:13??實(shí)例22?分割一個(gè)面板\images\Cat.gif

?????文件???????3587??2003-10-15?11:13??實(shí)例22?分割一個(gè)面板\images\Dog.gif

?????文件???????8613??2003-10-15?11:13??實(shí)例22?分割一個(gè)面板\images\Pig.gif

?????目錄??????????0??2008-09-20?10:20??實(shí)例22?分割一個(gè)面板\images

?????目錄??????????0??2008-09-20?10:20??實(shí)例22?分割一個(gè)面板

-----------?---------??----------?-----??----

????????????????28820????????????????????8