package?whsdu.se.Common;

import?java.awt.Dimension;
import?java.awt.Insets;

import?javax.swing.DefaultDesktopManager;
import?javax.swing.JComponent;
import?javax.swing.JInternalframe;
import?javax.swing.JScrollPane;
import?javax.swing.JViewport;

/**
?*?這個類可以不必掌握，有興趣的同學看看！
?*?本類直接使用了?java?示例的代碼，與?MDIDesktopPane?類配合，實現為?MDI?添加滾動條
?*?以下是原文檔的說明：
?*?Private?class?used?to?replace?the?standard?DesktopManager?for?JDesktopPane.
?*?Used?to?provide?scrollbar?functionality.
?*/
public?class?MDIDesktopManager?extends?DefaultDesktopManager?{
	private?MDIDesktopPane?desktop;

	public?MDIDesktopManager（MDIDesktopPane?desktop）?{
		this.desktop?=?desktop;
	}

	public?void?endResizingframe（JComponent?f）?{
		super.endResizingframe（f）;
		resizeDesktop（）;
	}

	public?void?endDraggingframe（JComponent?f）?{
		s