import?java.awt.Graphics;
import?java.awt.Image;

import?javax.swing.JPanel;
import?javax.swing.SwingUtilities;

/**
?*?帶背景的面板組件
?*?
?*?@author?ZhongWei?Lee
?*/
public?class?BackgroundPanel?extends?JPanel?{
????
????/**
?????*?背景圖片
?????*/
????private?Image?image;
????
????/**
?????*?構造方法
?????*/
????public?BackgroundPanel（）?{
????????super（）;
????????setOpaque（false）;
????????setLayout（null）;
????}
????
????/**
?????*?設置圖片的方法
?????*/
????public?void?setImage（Image?image）?{
????????this.image?=?image;
????}
????
????@Override
????protected?void?paintComponent（Graphics?g）?{//?重寫繪制組件外觀
????????int?width?=?getWidth（）;//?獲取組件大小
????????int?height?=?getHeight（）;
????????if?（image?!=?null）?{
????????????g.drawImage（image?0?0?width?height?this）;//?繪制圖片與組件大小相同
????????}else{
????????????String?str=“沒有圖片預覽“;
????????????int?strWidth?=?SwingUtilities.computeStringWidth（g.getFontMetrics（）?str）;
????????????g.drawString（str?（width-strWidth）/2?heig

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????301??2010-08-07?09:04??.classpath
?????文件?????????379??2010-09-07?14:19??.project
?????文件?????????635??2010-08-07?09:04??.settings\org.eclipse.jdt.core.prefs
?????文件????????1294??2013-11-21?08:41??bin\BackgroundPanel.class
?????文件?????????747??2013-11-21?08:41??bin\CustomSelectFileType$1.class
?????文件?????????704??2013-11-21?08:41??bin\CustomSelectFileType$2.class
?????文件????????3527??2013-11-21?08:41??bin\CustomSelectFileType.class
?????文件????????1132??2010-08-07?09:09??src\BackgroundPanel.java
?????文件????????3374??2010-08-07?09:37??src\CustomSelectFileType.java