import?java.awt.event.*;
import?java.awt.print.PageFormat;
import?java.awt.print.PrinterJob;
import?java.text.*;
import?java.util.*;
import?java.io.*;
import?javax.swing.undo.*;

import?javax.swing.*;
import?javax.swing.event.*;
import?javax.swing.text.styledDocument;

import?java.awt.BorderLayout;
import?java.awt.Color;
import?java.awt.Component;
import?java.awt.Container;
import?java.awt.Dimension;
import?java.awt.FlowLayout;
import?java.awt.Font;
import?java.awt.Graphics;
import?java.awt.GraphicsEnvironment;
import?java.awt.GridLayout;
import?java.awt.Image;
import?java.awt.MenuItem;
import?java.awt.PrintJob;
import?java.awt.Rectangle;
import?java.awt.Toolkit;
import?java.awt.datatransfer.*;
import?java.util.List;
import?java.util.regex.Matcher;
import?java.util.regex.Pattern;

import?com.sxt.nodepad.util.TestLine;

public?class?Notepad4?extends?Jframe?implements?ActionListener?DocumentListener?{

	JMenu?mFile?mEdit?mMode?mView?mHelp;
	//?---------------文件菜單
	JMenuItem?mFile_New?mFile_Open?mFile_Save?mFile_ASave?mFile_PrintmFile_Page?mFile_Exit;
	//?---------------編輯菜單
	JMenuItem?mEdit_Undo?mEdit_Cut?mEdit_Copy?mEdit_Paste?mEdit_Del?mEdit_Search?mEdit_SearchNext?mEdit_Replace
			mEdit_Turnto?mEdit_SelectAll?mEdit_TimeDatemEdit_InsertIcon;
	//?---------------格式菜單
	JCheckBoxMenuItem?formatMenu_LineWrap;
	JMenu?formatMenu_Color;
	JMenuItem?formatMenu_Font?formatMenu_Color_FgColor?formatMenu_Color_BgColor;
	JMenuItem?formatMenu_ChangeToUp;//轉換大寫??
	JMenuItem?formatMenu_ChangeToLow;//轉換小寫??
	//?---------------查看菜單
	JCheckBoxMenuItem?viewMenu_Status;
	JMenuItem?viewMenu_Count;

	//?---------------幫助菜單
	JMenuItem?mHelp_HelpTopics?mHelp_About;
	//?---------------彈出菜單級菜單項
	JPopupMenu?popupMenu;
	JMenuItem?popupMenu_Undo?popupMenu_Cut?popupMenu_Copy?popupMenu_Paste?popupMenu_Delete?popupMenu_SelectAll;
	//?---------------工具欄按鈕
	JButton?newButton?openButton?saveButton?saveAsButton?printButton?undoButton?redoButton?cutButton?copyButton
			pasteButton?deleteButton?searchButton?timeButton?fontButton?boldButton?italicButton?fgcolorButton
			bgcolorButton?helpButton;
	//?文本編輯區域
	static?JTextArea?Text;
	//?狀態欄標簽
	JLabel?statusLabel1?statusLabel2?statusLabel3;
	JToolBar?statusBar;
	//?---------------系統剪貼板
	Toolkit?toolKit?=?Toolkit.getDefaultToolkit（）;
	Clipboard?clipBoard?=?toolKit.getSystemClipboard（）;
	//?---------------創建撤消操作管理器
	protected?UndoManager?undo?=?new?UndoManager（）;
	protected?UndoableEditListener?undoHandler?=?new?UndoHandler（）;
	//?----------------其它變量
	boolean?isNewFile?=?true;?//?是否新文件（未保存過的）
	File?currentFile;?//?當前文件名
	String?oldValue;?//?存放編輯區原來的內容，用于比較文本是否有改動
	JButton?fontOkButton;?//?字體設置里的“確定“按鈕
	//?----------------設置編輯區默認字體
	protected?Font?defaultFont?=?new?Font（“宋體“?Font.PLAIN?12）;
	GregorianCalendar?time?=?new?GregorianCalendar（）;
	int?hour?=?time.get（Calendar.HOUR_OF_DAY）;
	int?min?=?time.get（Calendar.

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????301??2017-12-02?18:44??MyNote\MyNote\.classpath

?????文件????????382??2017-12-02?18:44??MyNote\MyNote\.project

?????文件????????598??2017-12-02?18:44??MyNote\MyNote\.settings\org.eclipse.jdt.core.prefs

?????文件???????3282??2018-03-29?18:43??MyNote\MyNote\bin\com\sxt\nodepad\util\TestLine.class

?????文件???????2760??2018-03-30?22:05??MyNote\MyNote\bin\FileTransferHandler.class

?????文件????????626??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$1.class

?????文件???????1586??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$2.class

?????文件????????590??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$3.class

?????文件???????1072??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$4.class

?????文件???????3106??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$5.class

?????文件???????2307??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$6.class

?????文件????????739??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$7.class

?????文件???????1940??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$8.class

?????文件????????728??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$9.class

?????文件???????1178??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$Clock.class

?????文件???????1138??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$MyFont$1.class

?????文件???????1141??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$MyFont$2.class

?????文件???????1138??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$MyFont$3.class

?????文件????????775??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$MyFont$4.class

?????文件???????6460??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$MyFont.class

?????文件????????875??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4$UndoHandler.class

?????文件??????32059??2018-03-30?22:05??MyNote\MyNote\bin\Notepad4.class

?????文件????????405??2018-01-01?11:45??MyNote\MyNote\Icons\about.gif

?????文件????????527??2017-12-26?16:36??MyNote\MyNote\Icons\bgcolor.gif

?????文件????????343??2017-12-26?16:42??MyNote\MyNote\Icons\bold.gif

?????文件????????656??2018-01-01?11:42??MyNote\MyNote\Icons\ChangeToUp.gif

?????文件??????10726??2017-12-20?10:09??MyNote\MyNote\Icons\copy.gif

?????文件??????10366??2017-12-20?10:20??MyNote\MyNote\Icons\copy1.gif

?????文件??????10099??2017-12-20?09:39??MyNote\MyNote\Icons\cut.gif

?????文件??????10426??2017-12-20?09:41??MyNote\MyNote\Icons\cut1.gif

............此處省略39個文件信息