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Java 记事本

时间:2023-10-19 17:22:35浏览次数:32  
标签:Java text add Dialog import new public 记事本

Notepad

package com.company;

import java.awt.Dimension;
import java.awt.FileDialog;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.awt.print.PrinterException;
import javax.swing.JFrame;
public class Notepad implements ActionListener,WindowListener{
	static Dimension screen=Toolkit.getDefaultToolkit().getScreenSize();
	static Image icon=Toolkit.getDefaultToolkit().getImage("Notepad.png");
	
	JFrame notepad;
	EnsureDialog ensure;
	TextArea text;
	FileDialog dialog;
	FontDialog font;
	ColorDialog color;
	AboutDialog about;
	
	Notepad(){
		notepad=new JFrame("Notepad");
		
		dialog=new FileDialog(notepad);
		text=new TextArea(notepad,screen.width/2-190,screen.height/2-90);
		ensure=new EnsureDialog(notepad,screen.width/2-180,screen.height/2-80);
		font=new FontDialog(notepad,screen.width/2-240,screen.height/2-150);
		color=new ColorDialog(notepad,screen.width/2-205,screen.height/2-110);
		about=new AboutDialog(notepad,screen.width/2-140,screen.height/2-100);
		
		
		notepad.setJMenuBar(text.menu.Menu);
		notepad.add(text.Pane);
		notepad.setSize(640,420);
		notepad.setLocation(screen.width/2-320,screen.height/2-220);
		notepad.setMinimumSize(new Dimension(185,185));
		notepad.setIconImage(icon);
		notepad.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
		notepad.addWindowListener(this);
		
		text.setFont(font.getFont());
		text.setForeground(color.NFC);
		text.setBackground(color.NBC);
		text.setSelectedTextColor(color.SFC);
		text.setSelectionColor(color.SBC);
		
		text.menu.Save.addActionListener(this);
		text.menu.SaveAs.addActionListener(this);
		text.menu.Open.addActionListener(this);
		text.menu.New.addActionListener(this);
		text.menu.Exit.addActionListener(this);
		text.menu.Undo.addActionListener(this);
		text.menu.Redo.addActionListener(this);
		text.menu.Cut.addActionListener(this);
		text.menu.Copy.addActionListener(this);
		text.menu.Paste.addActionListener(this);
		text.menu.Delete.addActionListener(this);
		text.menu.SelectAll.addActionListener(this);
		text.menu.FindAndReplace.addActionListener(this);
		text.menu.WordWrap.addActionListener(this);
		text.menu.Truncation.addActionListener(this);
		text.menu.Font.addActionListener(this);
		text.menu.Color.addActionListener(this);
		text.menu.ViewHelp.addActionListener(this);
		text.menu.AboutNotepad.addActionListener(this);
		text.Undo.addActionListener(this);
		text.Redo.addActionListener(this);
		text.Cut.addActionListener(this);
		text.Copy.addActionListener(this);
		text.Paste.addActionListener(this);
		text.Delete.addActionListener(this);
		text.SelectAll.addActionListener(this);
		text.FindAndReplace.addActionListener(this);
	}
	public void windowClosing(WindowEvent e) {
		if(text.Saved) System.exit(0);
		else ensure.Ensure.setVisible(true);
		if(ensure.Status==ensure.YES && saveFile()) System.exit(0);
		else if(ensure.Status==ensure.NO) System.exit(0);
	}
	public void actionPerformed(ActionEvent e) {
		Object obj=e.getSource();
		if(obj==text.menu.Save) saveFile();
		else if(obj==text.menu.SaveAs) saveAsFile();
		else if(obj==text.menu.New){
			if(!(text.Saved)){
				ensure.Ensure.setVisible(true);
				if(ensure.Status==ensure.YES && saveFile()){}
				else if(ensure.Status==ensure.NO){}
				else return;
			}
			newFile();
		}
		else if(obj==text.menu.Open){
			if(!(text.Saved)){
				ensure.Ensure.setVisible(true);
				if(ensure.Status==ensure.YES && saveFile()){}
				else if(ensure.Status==ensure.NO){}
				else return;
			}
			openFile();
		}
		else if(obj==text.menu.Print){
			try {
				text.print();
			} catch (PrinterException pe){}
		}
		else if(obj==text.menu.Exit){
			if(text.Saved) System.exit(0);
			else ensure.Ensure.setVisible(true);
			if(ensure.Status==ensure.YES && saveFile()) System.exit(0);
			else if(ensure.Status==ensure.NO) System.exit(0);
		}
		else if(obj==text.menu.Undo || obj==text.Undo){
			text.Manager.undo();
			text.Saved=false;
			text.menu.Redo.setEnabled(true);
			text.Redo.setEnabled(true);
			if(!text.Manager.canUndo()){
				text.menu.Undo.setEnabled(false);
				text.Undo.setEnabled(false);
			}
		}
		else if(obj==text.menu.Redo || obj==text.Redo){
			text.Manager.redo();
			text.Saved=false;
			text.menu.Undo.setEnabled(true);
			text.Undo.setEnabled(true);
			if(!text.Manager.canRedo()){
				text.menu.Redo.setEnabled(false);
				text.Redo.setEnabled(false);
			}
		}
		else if(obj==text.Cut || obj==text.menu.Cut){
			text.cut();
		}
		else if(obj==text.Copy || obj==text.menu.Copy){
			text.copy();
		}
		else if(obj==text.Paste || obj==text.menu.Paste){
			text.paste();
		}
		else if(obj==text.Delete || obj==text.menu.Delete){
			text.delete();
		}
		else if(obj==text.SelectAll || obj==text.menu.SelectAll){
			text.selectAll();
		}
		else if(obj==text.FindAndReplace || obj==text.menu.FindAndReplace){
			text.find.Dialog.setVisible(true);
		}
		else if(obj==text.menu.Font){
			font.Dialog.setVisible(true);
			if(text.getFont()!=font.getFont())
				text.setFont(font.getFont());
		}
		else if(obj==text.menu.Color){
			color.Dialog.setVisible(true);
			text.setForeground(color.NFC);
			text.setBackground(color.NBC);
			text.setSelectedTextColor(color.SFC);
			text.setSelectionColor(color.SBC);
			text.setCaretColor(color.NFC);
		}
		else if(obj==text.menu.AboutNotepad){
			about.Dialog.setVisible(true);
		}
	}
	public boolean saveFile(){
		if(text.Name==null){
			dialog.setMode(FileDialog.SAVE);
			dialog.setTitle("Save As...");
			dialog.setFile("Untitled.txt");
			dialog.setVisible(true);
			text.Path=dialog.getDirectory();
			text.Name=dialog.getFile();
		}
		if(text.Name==null) return false;
		text.saveFile();
		notepad.setTitle(text.Name+" - Notepad");
		return true;
	}
	public void saveAsFile(){
		String path=text.Path;
		String name=text.Name;
		dialog.setMode(FileDialog.SAVE);
		dialog.setTitle("Save As...");
		if(text.Name==null)
			dialog.setFile("Untitled.txt");
		else dialog.setFile(text.Name);
		dialog.setVisible(true);
		text.Path=dialog.getDirectory();
		text.Name=dialog.getFile();
		if(text.Name!=null){
			text.saveFile();
			notepad.setTitle(text.Name+" - Notepad");
		}
		else{
			text.Name=name;
			text.Path=path;
		}
	}
	public void openFile(){
		String path=text.Path;
		String name=text.Name;
		dialog.setTitle("Open...");
		dialog.setMode(FileDialog.LOAD);
		dialog.setVisible(true);
		text.Path=dialog.getDirectory();
		text.Name=dialog.getFile();
		if(text.Name!=null){
			text.openFile();
			notepad.setTitle(text.Name+" - Notepad");
		}
		else{
			text.Name=name;
			text.Path=path;
		}
	}
	public void newFile(){
		text.Path=null;
		text.Name=null;
		text.setText(null);
		notepad.setTitle("Notepad");
		text.Saved=true;
		text.Undo.setEnabled(false);
		text.Redo.setEnabled(false);
		text.menu.Undo.setEnabled(false);
		text.menu.Redo.setEnabled(false);
	}
	public static void main(String s[]){
		System.setProperty("java.awt.im.style","on-the-spot"); //ȥ����������ʱ�ĸ�����
		Notepad np=new Notepad();
		np.notepad.setVisible(true);
	}
	public void windowActivated(WindowEvent arg0) {}
	public void windowClosed(WindowEvent arg0) {}
	public void windowDeactivated(WindowEvent arg0) {}
	public void windowDeiconified(WindowEvent arg0) {}
	public void windowIconified(WindowEvent arg0) {}
	public void windowOpened(WindowEvent arg0) {}
}

TextArea

package com.company;

import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;
import javax.swing.event.UndoableEditEvent;
import javax.swing.event.UndoableEditListener;
import javax.swing.undo.UndoManager;

public class TextArea extends JTextArea implements MouseListener,UndoableEditListener,
MenuListener,ActionListener,ItemListener{
	private static final long serialVersionUID = 1L;
	public boolean Saved;
	public String Name,Path;
	public JScrollPane Pane;
	public JPopupMenu Popup;
	public JMenuItem Redo,Undo,Cut,Copy,Paste,Delete,SelectAll,FindAndReplace;
	public UndoManager Manager;
	public MenuList menu;
	public FindAndReplace find;
	TextArea(JFrame notepad,int x,int y){
		super();
		Saved=true;
		Name=null;
		Path=null;
		Popup=new JPopupMenu();
		Undo=new JMenuItem("  Undo");
		Redo=new JMenuItem("  Redo");
		Cut=new JMenuItem("  Cut");
		Copy=new JMenuItem("  Copy");
		Paste=new JMenuItem("  Paste");
		Delete=new JMenuItem("  Delete");
		SelectAll=new JMenuItem("  Select All");
		FindAndReplace=new JMenuItem("  Find And Replace...");
		Pane=new JScrollPane(this);
		Manager=new UndoManager();
		menu=new MenuList();
		find=new FindAndReplace(notepad);
		find.Dialog.setLocation(x,y);
		Undo.setEnabled(false);
		Redo.setEnabled(false);
		setLineWrap(true);
		setWrapStyleWord(true);
		Manager.setLimit(-1);
		Popup.add(Undo);
		Popup.add(Redo);
		Popup.addSeparator();
		Popup.add(Cut);
		Popup.add(Copy);
		Popup.add(Paste);
		Popup.add(Delete);
		Popup.addSeparator();
		Popup.add(SelectAll);
		Popup.add(FindAndReplace);
		add(Popup);
		menu.Edit.addMenuListener(this);
		menu.WordWrap.addItemListener(this);
		menu.Truncation.addItemListener(this);
		getDocument().addUndoableEditListener(this);
		addMouseListener(this);
		find.FindNext.addActionListener(this);
		find.Replace.addActionListener(this);
		find.ReplaceAll.addActionListener(this);
		find.Finish.addActionListener(this);
	}
	public void saveFile(){
		try {
			FileWriter fw = new FileWriter(Path+Name,false);
			BufferedWriter bw=new BufferedWriter(fw);
			bw.write(getText());
			bw.close();
			fw.close();
			Saved=true;
		} catch (IOException e){}
	}
	public void openFile(){
		try {
			int c;
			StringBuffer sb=new StringBuffer();
			FileReader fr=new FileReader(Path+Name);
			setText(null);
			while((c=fr.read())!=-1)
				sb.append((char)c);
			setText(sb.toString());
			Saved=true;
			fr.close();
			Undo.setEnabled(false);
			Redo.setEnabled(false);
			menu.Undo.setEnabled(false);
			menu.Redo.setEnabled(false);
		}
		catch (IOException e){}
	}
	public void delete(){
		int start=getSelectionStart();
		int end=getSelectionEnd();
		replaceRange("",start,end);
	}
	public int lastOf(String s1,int i){
		String s=getText();
		if(find.MatchCase.isSelected()) return s.lastIndexOf(s1,i);
		else{
			s=s.toLowerCase();
			return s.lastIndexOf(s1.toLowerCase(),i);
		}
	}
	public int nextOf(String s1,int i){
		String s=getText();
		if(find.MatchCase.isSelected()) return s.indexOf(s1,i);
		else{
			s=s.toLowerCase();
			return s.indexOf(s1.toLowerCase(),i);
		}
	}
	public void actionPerformed(ActionEvent e){
		Object obj=e.getSource();
		if(obj==find.Finish) find.Dialog.setVisible(false);
		String s1=find.FindText.getText();
		String s2=find.ReplaceText.getText();
		int len1=s1.length(),len2=s2.length();
		if(len1<1) return;
		int head=getSelectionStart(),rear=getSelectionEnd();
		if(obj==find.Replace){
			if(head<rear) replaceRange(s2,head,rear);
			else obj=find.FindNext;
		}
		if(obj==find.FindNext){
			if(find.Up.isSelected()){
				head=lastOf(s1,head-len1);
				if(head<0) return;
				select(head, head+len1);
			}
			else{
				rear=nextOf(s1, rear);
				if(rear<0) return;
				select(rear,rear+len1);
			}
		}
		else if(obj==find.ReplaceAll){
			rear=0;
			while(true){
				rear=nextOf(s1,rear);
				if(rear<0) return;
				replaceRange(s2,rear,rear+len1);
				rear=rear+len2;
				setCaretPosition(rear);
			}
		}
	}
	public void menuSelected(MenuEvent e){
		Clipboard Board=Toolkit.getDefaultToolkit().getSystemClipboard();
		Transferable contents = Board.getContents(Board);
		DataFlavor flavor = DataFlavor.stringFlavor;
		if(contents.isDataFlavorSupported(flavor))
			menu.Paste.setEnabled(true);
		else
			menu.Paste.setEnabled(false);
		if(getSelectedText()!=null){
			menu.Cut.setEnabled(true);
			menu.Copy.setEnabled(true);
			menu.Delete.setEnabled(true);
		}
		else{
			menu.Cut.setEnabled(false);
			menu.Copy.setEnabled(false);
			menu.Delete.setEnabled(false);
		}
		if(getText().isEmpty()){
			menu.SelectAll.setEnabled(false);
			menu.FindAndReplace.setEnabled(false);
		}
		else{
			menu.SelectAll.setEnabled(true);
			menu.FindAndReplace.setEnabled(true);
		}
	}
	public void undoableEditHappened(UndoableEditEvent e){
		Manager.addEdit(e.getEdit());
		Saved=false;
		menu.Undo.setEnabled(true);
		Undo.setEnabled(true);
		menu.Redo.setEnabled(false);
		Redo.setEnabled(false);
	}
	public void mouseReleased(MouseEvent e) {
		if(e.isPopupTrigger())
		{
			Clipboard Board=Toolkit.getDefaultToolkit().getSystemClipboard();
			Transferable contents = Board.getContents(Board);
			DataFlavor flavor = DataFlavor.stringFlavor;
			if(contents.isDataFlavorSupported(flavor))
				Paste.setEnabled(true);
			else
				Paste.setEnabled(false);
			if(getSelectedText()!=null){
				Cut.setEnabled(true);
				Copy.setEnabled(true);
				Delete.setEnabled(true);
			}
			else{
				Cut.setEnabled(false);
				Copy.setEnabled(false);
				Delete.setEnabled(false);
			}
			if(getText().isEmpty()){
				SelectAll.setEnabled(false);
				FindAndReplace.setEnabled(false);
			}
			else{
				SelectAll.setEnabled(true);
				FindAndReplace.setEnabled(true);
			}
			Popup.show(this,e.getX(),e.getY());
		}
	}
	public void itemStateChanged(ItemEvent e) {
		if(e.getSource()==menu.WordWrap){
			setLineWrap(menu.WordWrap.isSelected());
			menu.Truncation.setEnabled(menu.WordWrap.isSelected());
		}
		else
			setWrapStyleWord(!menu.Truncation.isSelected());
	}
	public void mousePressed(MouseEvent e) {}
	public void mouseClicked(MouseEvent e) {}
	public void mouseEntered(MouseEvent e) {}
	public void mouseExited(MouseEvent e) {}
	public void menuCanceled(MenuEvent e) {}
	public void menuDeselected(MenuEvent e) {}
}

package com.company;

import javax.swing.JCheckBoxMenuItem;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.KeyStroke;

public class MenuList{
	public JMenuBar Menu;
	public JMenu File, Edit, View, Help;
	public JMenuItem
		New,Open,Save,SaveAs,Print,Exit,
		ViewHelp,AboutNotepad,
		Font,Color,
		Undo,Redo,Cut,Copy,Paste,Delete,SelectAll,FindAndReplace;
	public JCheckBoxMenuItem WordWrap,Truncation;
	MenuList(){
		Menu=new JMenuBar();
		
		File=new JMenu(" File ");
		New=new JMenuItem("New");
		Open=new JMenuItem("Open...");
		Save=new JMenuItem("Save");
		SaveAs=new JMenuItem("Save As...");
		Print=new JMenuItem("Print...");
		Exit=new JMenuItem("Exit");
		
		Help=new JMenu(" Help ");
		ViewHelp=new JMenuItem("View Help...");
		AboutNotepad=new JMenuItem("About Notepad...");
		
		View=new JMenu(" View ");
		WordWrap=new JCheckBoxMenuItem("Word Wrap",true);
		Truncation=new JCheckBoxMenuItem("Truncation",false);
		Font=new JMenuItem("Font...");
		Color=new JMenuItem("Color...");
		Edit=new JMenu(" Edit ");
		Undo=new JMenuItem("Undo");
		Redo=new JMenuItem("Redo");
		Cut=new JMenuItem("Cut");
		Copy=new JMenuItem("Copy");
		Paste=new JMenuItem("Paste");
		Delete=new JMenuItem("Delete");
		SelectAll=new JMenuItem("Select All");
		FindAndReplace=new JMenuItem("Find And Replace...");
		Undo.setEnabled(false);
		Redo.setEnabled(false);
		Edit.add(Undo);
		Edit.add(Redo);
		Edit.addSeparator();
		Edit.add(Cut);
		Edit.add(Copy);
		Edit.add(Paste);
		Edit.add(Delete);
		Edit.addSeparator();
		Edit.add(SelectAll);
		Edit.add(FindAndReplace);
		View.add(WordWrap);
		View.add(Truncation);
		View.addSeparator();
		View.add(Font);
		View.add(Color);
		Help.add(ViewHelp);
		Help.add(AboutNotepad);
		File.add(New);
		File.add(Open);
		File.addSeparator();
		File.add(Save);
		File.add(SaveAs);
		File.addSeparator();
		File.add(Print);
		File.add(Exit);
		Menu.add(File);
		Menu.add(Edit);
		Menu.add(View);
		Menu.add(Help);
		
		New.setAccelerator(KeyStroke.getKeyStroke('N',128));
		Open.setAccelerator(KeyStroke.getKeyStroke('O',128));
		Save.setAccelerator(KeyStroke.getKeyStroke('S',128));
		Print.setAccelerator(KeyStroke.getKeyStroke('P',128));
		Undo.setAccelerator(KeyStroke.getKeyStroke('Z',128));
		Redo.setAccelerator(KeyStroke.getKeyStroke('Y',128));
		Cut.setAccelerator(KeyStroke.getKeyStroke('X',128));
		Copy.setAccelerator(KeyStroke.getKeyStroke('C',128));
		Paste.setAccelerator(KeyStroke.getKeyStroke('V',128));
		Delete.setAccelerator(KeyStroke.getKeyStroke(127,0));
		SelectAll.setAccelerator(KeyStroke.getKeyStroke('A',128));
	}
}

FontDialog

package com.company;

import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.List;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JTextArea;

public class FontDialog implements ItemListener, ActionListener, WindowListener{
	public JDialog Dialog;
	public JCheckBox Bold,Italic;
	public List Size,Name;
	public int FontName;
	public int FontStyle;
	public int FontSize;
	public JButton OK,Cancel;
	public JTextArea Text;
	FontDialog(JFrame notepad, int x, int y) {
		GraphicsEnvironment g=GraphicsEnvironment.getLocalGraphicsEnvironment(); 
		String name[]=g.getAvailableFontFamilyNames();
		Bold=new JCheckBox("Bold",false);
		Italic=new JCheckBox("Italic",false);
		Dialog=new JDialog(notepad,"Font...",true);
		Text=new JTextArea("����Ԥ������\n9876543210\nAaBbCcXxYyZz");
		OK=new JButton("OK");
		Cancel=new JButton("Cancel");
		Size=new List();
		Name=new List();
		int i=0;
		Name.add("Default Value");
		for(i=0;i<name.length;i++) Name.add(name[i]);
		for(i=8;i<257;i++) Size.add(String.valueOf(i));
		FontName=0;
		FontStyle=0;
		FontSize=8;
		Dialog.setLayout(null);
		Dialog.setLocation(x, y);
		Dialog.setSize(480, 306);
		Dialog.setResizable(false);
		OK.setFocusable(false);
		Cancel.setFocusable(false);
		Bold.setFocusable(false);
		Italic.setFocusable(false);
		Name.setFocusable(false);
		Size.setFocusable(false);
		Name.setBounds(10, 10, 212, 259);
		Dialog.add(Name);
		Bold.setBounds(314, 10, 64, 22);
		Dialog.add(Bold);
		Italic.setBounds(388, 10, 64, 22);
		Dialog.add(Italic);
		Size.setBounds(232, 10, 64, 259);
		Dialog.add(Size);
		Text.setBounds(306, 40, 157, 157);
		Dialog.add(Text);
		OK.setBounds(306, 243, 74, 26);
		Dialog.add(OK);
		Cancel.setBounds(390, 243, 74, 26);
		Dialog.add(Cancel);
		Name.select(FontName);
		Size.select(FontSize);
		Text.setFont(getFont());
		Dialog.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
		Name.addItemListener(this);
		Size.addItemListener(this);
		Bold.addItemListener(this);
		Italic.addItemListener(this);
		OK.addActionListener(this);
		Cancel.addActionListener(this);
		Dialog.addWindowListener(this);
	}
	public void itemStateChanged(ItemEvent e) {
		Text.setFont(getFont());
	}
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==OK){
			FontName=Name.getSelectedIndex();
			FontStyle=getStyle();
			FontSize=Size.getSelectedIndex();
			Dialog.setVisible(false);
		}
		else cancel();
	}
	public void windowClosing(WindowEvent e) {
		cancel();
	}
	public Font getFont(){
		if(Name.getSelectedIndex()==0) return new Font("������",getStyle(),Size.getSelectedIndex()+8);
		else return new Font(Name.getSelectedItem(),getStyle(),Size.getSelectedIndex()+8);
	}
	public void cancel(){
		Name.select(FontName);
		Size.select(FontSize);
		setStyle();
		Text.setFont(getFont());
		Dialog.setVisible(false);
	}
	public void setStyle(){
		if(FontStyle==0 || FontStyle==2) Bold.setSelected(false);
		else Bold.setSelected(true);
		if(FontStyle==0 || FontStyle==1) Italic.setSelected(false);
		else Italic.setSelected(true);
	}
	public int getStyle(){
		int bold=0,italic=0;
		if(Bold.isSelected()) bold=1;
		if(Italic.isSelected()) italic=1;
		return bold+italic*2;
	}
	public void windowActivated(WindowEvent arg0) {}
	public void windowClosed(WindowEvent arg0) {}
	public void windowDeactivated(WindowEvent arg0) {}
	public void windowDeiconified(WindowEvent arg0) {}
	public void windowIconified(WindowEvent arg0) {}
	public void windowOpened(WindowEvent arg0) {}
}

FindAndReplace

package com.company;

import java.awt.TextField;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JRadioButton;

public class FindAndReplace {
	public JDialog Dialog;
	public JButton FindNext, Replace, ReplaceAll, Finish;
	public JCheckBox MatchCase;
	public JRadioButton Up, Down;
	public ButtonGroup DirectionGroup;
	public JLabel FindWhat, ReplaceWith, Direction;
	public TextField FindText, ReplaceText;

	FindAndReplace(JFrame notepad) {
		Dialog = new JDialog(notepad, "Find And Replace...", false);
		/*
		 * ��EnsureDialog��ͬ���� �� �����ģʽ��־falseʹ�Ի���ʼ�մ���notepad���϶� �� �����notepad
		 * ʱnotepad��������ڻ״̬ �� �Ի������ɲ��״̬
		 */
		FindNext = new JButton("Find Next");
		Replace = new JButton("Replace");
		ReplaceAll = new JButton("Replace All");
		Finish = new JButton("Finish");
		MatchCase = new JCheckBox("Match Case", false);
		Down = new JRadioButton("Down", true);
		Up = new JRadioButton("Up", false);
		FindWhat = new JLabel("Find What:");
		ReplaceWith = new JLabel("Replace With:");
		Direction = new JLabel("Direction:");
		FindText = new TextField("");
		ReplaceText = new TextField("");
		Dialog.setSize(380, 160);
		Dialog.setResizable(false);
		FindNext.setFocusable(false);
		Replace.setFocusable(false);
		ReplaceAll.setFocusable(false);
		MatchCase.setFocusable(false);
		Finish.setFocusable(false);
		Up.setFocusable(false);
		Down.setFocusable(false);
		DirectionGroup = new ButtonGroup();
		Dialog.setLayout(null);
		FindWhat.setBounds(10, 12, 80, 22);
		ReplaceWith.setBounds(10, 42, 80, 22);
		FindText.setBounds(95, 12, 160, 22);
		ReplaceText.setBounds(95, 42, 160, 22);
		FindNext.setBounds(265, 12, 98, 22);
		Replace.setBounds(265, 42, 98, 22);
		ReplaceAll.setBounds(265, 72, 98, 22);
		Direction.setBounds(10, 72, 80, 22);
		MatchCase.setBounds(6, 102, 98, 22);
		Down.setBounds(95, 72, 80, 22);
		Up.setBounds(175, 72, 80, 22);
		Finish.setBounds(265, 102, 98, 22);
		DirectionGroup.add(Up);
		DirectionGroup.add(Down);
		Dialog.add(FindWhat);
		Dialog.add(MatchCase);
		Dialog.add(FindText);
		Dialog.add(FindNext);
		Dialog.add(Direction);
		Dialog.add(ReplaceWith);
		Dialog.add(ReplaceText);
		Dialog.add(Replace);
		Dialog.add(ReplaceAll);
		Dialog.add(Finish);
		Dialog.add(Down);
		Dialog.add(Up);
	}
}

EnsureDialog

package com.company;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class EnsureDialog implements WindowListener, ActionListener {
	public int YES, NO, CANCEL, Status;
	public JDialog Ensure;
	public JButton Yes, No, Cancel;
	public JLabel Question;
	public JPanel ButtonPanel, TextPanel;

	EnsureDialog(JFrame notepad, int x, int y) {
		YES = 0;
		NO = 1;
		CANCEL = 2;
		Status = CANCEL;
		Ensure = new JDialog(notepad, true);
		/*
		 * �����ģʽ��־true��������ʹ�Ի�����notepad���϶ˣ� ���ҵ��Ի�����ʾʱ���̴���ͣ��״̬�� ֱ���Ի�������ʾΪֹ���ڱ�������
		 * �����ڶԶԻ���������¼������������Ի�����ʧʱ״̬�� ־Statusͬʱ�����˱仯 �������Ϳ����ڽ��̼���ʱ����µ�Statusֵ
		 */
		Yes = new JButton("Yes");
		No = new JButton("No");
		Cancel = new JButton("Cancel");
		Question = new JLabel("  Do you want to save changes to the file?");
		ButtonPanel = new JPanel();
		TextPanel = new JPanel();
		ButtonPanel.setLayout(new FlowLayout(FlowLayout.CENTER, 16, 10));
		TextPanel.setLayout(new BorderLayout());
		Ensure.setLayout(new BorderLayout());
		ButtonPanel.add(Yes);
		ButtonPanel.add(No);
		ButtonPanel.add(Cancel);
		TextPanel.add(Question);
		Ensure.add(TextPanel, BorderLayout.CENTER);
		Ensure.add(ButtonPanel, BorderLayout.SOUTH);
		Ensure.setLocation(x, y);
		Ensure.setSize(360, 140);
		Ensure.setResizable(false);
		TextPanel.setBackground(Color.WHITE);
		Question.setFont(new Font(null, Font.PLAIN, 16));
		Question.setForeground(new Color(0, 95, 191));
		Yes.setFocusable(false);
		No.setFocusable(false);
		Cancel.setFocusable(false);
		Ensure.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
		Ensure.addWindowListener(this);
		Yes.addActionListener(this);
		No.addActionListener(this);
		Cancel.addActionListener(this);
	}

	public void actionPerformed(ActionEvent e) {
		if (e.getSource() == Yes)
			Status = YES;
		else if (e.getSource() == No)
			Status = NO;
		else if (e.getSource() == Cancel)
			Status = CANCEL;
		Ensure.setVisible(false);
	}

	public void windowClosing(WindowEvent e) {
		Status = CANCEL;
		Ensure.setVisible(false);
	}

	public void windowActivated(WindowEvent e) {
	}

	public void windowClosed(WindowEvent e) {
	}

	public void windowDeactivated(WindowEvent e) {
	}

	public void windowDeiconified(WindowEvent e) {
	}

	public void windowIconified(WindowEvent e) {
	}

	public void windowOpened(WindowEvent e) {
	}
}

ColorDialog

package com.company;

import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class ColorDialog implements ActionListener, WindowListener{
	public JDialog Dialog;
	public JLabel NFL,NBL,SFL,SBL;
	public JTextArea Normal,Selected;
	public JButton NFB,NBB,SFB,SBB,OK,Cancel,Reset;
	public Color NFC,NBC,SFC,SBC;
	public ColorChooser Chooser;
	public ColorDialog(JFrame notepad, int x, int y){
		NFC=new Color(0,0,0);
		NBC=new Color(249,249,251);
		SFC=new Color(0,0,0);
		SBC=new Color(191,207,223);
		Dialog=new JDialog(notepad,"Color...",true);
		NFL=new JLabel("Normal Foreground:");
		NBL=new JLabel("Normal Background:");
		SFL=new JLabel("Selected Foreground:");
		SBL=new JLabel("Selected Background:");
		Normal=new JTextArea("\n    Normal    ����");
		Selected=new JTextArea("\n    Selected  ѡ�� ");
		NFB=new JButton("");
		NBB=new JButton("");
		SFB=new JButton("");
		SBB=new JButton("");
		OK=new JButton("OK");
		Cancel=new JButton("Cancel");
		Reset=new JButton("Reset");
		Chooser=new ColorChooser(Dialog, x+65, y-15);
		Normal.setEditable(false);
		Normal.setFocusable(false);
		Normal.setFont(new Font("������", 0, 16));
		Normal.setForeground(NFC);
		Normal.setBackground(NBC);
		Selected.setEditable(false);
		Selected.setFocusable(false);
		Selected.setFont(Normal.getFont());
		Selected.setForeground(SFC);
		Selected.setBackground(SBC);
		NFB.setBackground(NFC);
		NBB.setBackground(NBC);
		SFB.setBackground(SFC);
		SBB.setBackground(SBC);
		Dialog.setLayout(null);
		Dialog.setLocation(x, y);
		Dialog.setSize(410, 220);
		Dialog.setResizable(false);
		Reset.setFocusable(false);
		OK.setFocusable(false);
		Cancel.setFocusable(false);
		Dialog.add(Normal);
		Dialog.add(Selected);
		Dialog.add(NFL);
		Dialog.add(NBL);
		Dialog.add(SFL);
		Dialog.add(SBL);
		Dialog.add(SBB);
		Dialog.add(SFB);
		Dialog.add(NBB);
		Dialog.add(NFB);
		Dialog.add(OK);
		Dialog.add(Cancel);
		Dialog.add(Reset);
		SBB.setBounds(144, 100, 60, 22);
		SFB.setBounds(144, 70, 60, 22);
		NBB.setBounds(144, 40, 60, 22);
		NFB.setBounds(144, 10, 60, 22);
		NFL.setBounds(10, 10, 130, 22);
		NBL.setBounds(10, 40, 130, 22);
		SFL.setBounds(10, 70, 130, 22);
		SBL.setBounds(10, 100, 130, 22);
		Normal.setBounds(220, 10, 174, 56);
		Selected.setBounds(220, 66, 174, 56);
		Reset.setBounds(10, 160, 74, 24);
		OK.setBounds(236, 160, 74, 24);
		Cancel.setBounds(320, 160, 74, 24);
		Dialog.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
		Dialog.addWindowListener(this);
		NFB.addActionListener(this);
		NBB.addActionListener(this);
		SFB.addActionListener(this);
		SBB.addActionListener(this);
		Reset.addActionListener(this);
		OK.addActionListener(this);
		Cancel.addActionListener(this);
	}
	public void setTextAreaColor(){
		Normal.setForeground(NFB.getBackground());
		Normal.setBackground(NBB.getBackground());
		Selected.setForeground(SFB.getBackground());
		Selected.setBackground(SBB.getBackground());
	}
	public void cancel(){
		Normal.setForeground(NFC);
		Normal.setBackground(NBC);
		Selected.setForeground(SFC);
		Selected.setBackground(SBC);
		NFB.setBackground(NFC);
		NBB.setBackground(NBC);
		SFB.setBackground(SFC);
		SBB.setBackground(SBC);
		Dialog.setVisible(false);
	}
	public void actionPerformed(ActionEvent e) {
		Object obj=e.getSource();
		if(obj==Reset){
			NFB.setBackground(new Color(0,0,0));
			NBB.setBackground(new Color(249,249,251));
			SFB.setBackground(new Color(0,0,0));
			SBB.setBackground(new Color(191,207,223));
			setTextAreaColor();
		}
		else if(obj==OK){
			NFC=NFB.getBackground();
			NBC=NBB.getBackground();
			SFC=SFB.getBackground();
			SBC=SBB.getBackground();
			Dialog.setVisible(false);
		}
		else if(obj==Cancel)
			cancel();
		else{
			Chooser.init(((Component) obj).getBackground());
			Chooser.Dialog.setVisible(true);
			((Component) obj).setBackground(Chooser.New.getBackground());
			setTextAreaColor();
		}
	}
	public void windowClosing(WindowEvent e) {
		cancel();
	}
	public void windowActivated(WindowEvent arg0) {}
	public void windowClosed(WindowEvent arg0) {}
	public void windowDeactivated(WindowEvent arg0) {}
	public void windowDeiconified(WindowEvent arg0) {}
	public void windowIconified(WindowEvent arg0) {}
	public void windowOpened(WindowEvent arg0) {}
}

class ColorChooser implements ActionListener,WindowListener,KeyListener{
	JDialog Dialog;
	JButton Choice[][],Old,New,OK,Cancel;
	JPanel Panel;
	JTextField R,G,B;
	JLabel OldLabel,NewLabel,RL,GL,BL;
	ColorChooser(JDialog color,int x, int y){
		Dialog=new JDialog(color,true);
		Choice=new JButton[8][8];
		Panel=new JPanel();
		Old=new JButton("");
		New=new JButton("");
		OldLabel=new JLabel("Old:");
		NewLabel=new JLabel("New:");
		RL=new JLabel("R:");
		GL=new JLabel("G:");
		BL=new JLabel("B:");
		R=new JTextField("");
		G=new JTextField("");
		B=new JTextField("");
		OK=new JButton("OK");
		Cancel=new JButton("Cancel");
		Panel.setLayout(new GridLayout(8,8,0,0));
		int i=0,j=0;
		Color c;
		Choice[0][7]=new JButton("");Choice[0][7].setBackground(new Color(255,255,255));
		Choice[1][7]=new JButton("");Choice[1][7].setBackground(new Color(255,223,191));
		Choice[2][7]=new JButton("");Choice[2][7].setBackground(new Color(255,207,207));
		Choice[3][7]=new JButton("");Choice[3][7].setBackground(new Color(223,191,255));
		Choice[4][7]=new JButton("");Choice[4][7].setBackground(new Color(207,207,255));
		Choice[5][7]=new JButton("");Choice[5][7].setBackground(new Color(191,223,255));
		Choice[6][7]=new JButton("");Choice[6][7].setBackground(new Color(207,255,207));
		Choice[7][7]=new JButton("");Choice[7][7].setBackground(new Color(223,255,191));
		for(i=0;i<8;i++){
			c=Choice[i][7].getBackground();
			for(j=0;j<8;j++){
				if(j!=7){
					Choice[i][j]=new JButton("");
					Choice[i][j].setBackground(new Color(c.getRed()*(j+1)/8,c.getGreen()*(j+1)/8,c.getBlue()*(j+1)/8));
				}
				Choice[i][j].setFocusable(false);
				Choice[i][j].addActionListener(this);
				Panel.add(Choice[i][j]);
			}
		}
		Dialog.setSize(280,250);
		Dialog.setLayout(null);
		Dialog.setLocation(x, y);
		Dialog.setResizable(false);
		Dialog.add(Panel);
		Panel.setBounds(10, 10, 160, 160);
		Dialog.add(Old);
		Dialog.add(OldLabel);
		Old.setEnabled(false);
		Old.setBorderPainted(false);
		Old.setBounds(214, 10, 44, 22);
		OldLabel.setBounds(180, 10, 44, 22);
		Dialog.add(New);
		Dialog.add(NewLabel);
		New.setEnabled(false);
		New.setBorderPainted(false);
		New.setBounds(214, 32, 44, 22);
		NewLabel.setBounds(180, 32, 44, 22);
		Dialog.add(R);
		Dialog.add(G);
		Dialog.add(B);
		R.setBounds(214, 97, 44, 22);
		G.setBounds(214, 123, 44, 22);
		B.setBounds(214, 149, 44, 22);
		Dialog.add(RL);
		Dialog.add(GL);
		Dialog.add(BL);
		RL.setBounds(196, 97, 16, 22);
		GL.setBounds(196, 123, 16, 22);
		BL.setBounds(196, 149, 16, 22);
		Dialog.add(OK);
		Dialog.add(Cancel);
		OK.setFocusable(false);
		Cancel.setFocusable(false);
		OK.setBounds(106, 190, 74, 24);
		Cancel.setBounds(190, 190, 74, 24);
		OK.addActionListener(this);
		Cancel.addActionListener(this);
		G.addKeyListener(this);
		R.addKeyListener(this);
		B.addKeyListener(this);
	}
	public void setText(Color c){
		R.setText(String.valueOf(c.getRed()));
		G.setText(String.valueOf(c.getGreen()));
		B.setText(String.valueOf(c.getBlue()));
	}
	public void init(Color c){
		New.setBackground(c);
		Old.setBackground(c);
		setText(c);
	}
	public void actionPerformed(ActionEvent e) {
		Object obj=e.getSource();
		if(obj==OK) Dialog.setVisible(false);
		else if(obj==Cancel){
			New.setBackground(Old.getBackground());
			Dialog.setVisible(false);
		}
		else{
			New.setBackground(((Component) obj).getBackground());
			setText(New.getBackground());
		}
	}
	public void windowClosing(WindowEvent e) {
		New.setBackground(Old.getBackground());
		Dialog.setVisible(false);
	}
	public void keyReleased(KeyEvent e) {
		try{
			int r,g,b;
			if(R.getText().length()==0) r=0;
			else r=Integer.valueOf(R.getText());
			if(G.getText().length()==0) g=0;
			else g=Integer.valueOf(G.getText());
			if(B.getText().length()==0) b=0;
			else b=Integer.valueOf(B.getText());
			New.setBackground(new Color(r,g,b));
		}
		catch(NumberFormatException nfe){setText(New.getBackground());}
		catch(IllegalArgumentException iae){setText(New.getBackground());}
	}
	public void keyPressed(KeyEvent e) {}
	public void keyTyped(KeyEvent e) {}
	public void windowActivated(WindowEvent arg0) {}
	public void windowClosed(WindowEvent arg0) {}
	public void windowDeactivated(WindowEvent arg0) {}
	public void windowDeiconified(WindowEvent arg0) {}
	public void windowIconified(WindowEvent arg0) {}
	public void windowOpened(WindowEvent arg0) {}
}

AboutDialog

package com.company;

import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class AboutDialog implements ActionListener {
	public JDialog Dialog;
	public JButton OK, Icon;
	public JLabel Name, Version, Author, Java;
	public JPanel Panel;

	AboutDialog(JFrame notepad, int x, int y) {
		Dialog = new JDialog(notepad, "About Notepad...", true);
		OK = new JButton("OK");
		Icon = new JButton(new ImageIcon("Notepad.jpg"));
		Name = new JLabel("Notepad");
		Version = new JLabel("Version 1.0");
		Java = new JLabel("JRE Version 6.0");
		Author = new JLabel("Copyright (c) 2011 Sky. No rights reserved.");
		Panel = new JPanel();
		Color c = new Color(0, 95, 191);
		Name.setForeground(c);
		Version.setForeground(c);
		Java.setForeground(c);
		Panel.setBackground(Color.WHITE);
		OK.setFocusable(false);
		Dialog.setSize(280, 180);
		Dialog.setLocation(x, y);
		Dialog.setResizable(false);
		Dialog.setLayout(null);
		Panel.setLayout(null);
		OK.addActionListener(this);
		Icon.setFocusable(false);
		Icon.setBorderPainted(false);
		Author.setFont(new Font(null, Font.PLAIN, 11));
		Panel.add(Icon);
		Panel.add(Name);
		Panel.add(Version);
		Panel.add(Author);
		Panel.add(Java);
		Dialog.add(Panel);
		Dialog.add(OK);
		Panel.setBounds(0, 0, 280, 100);
		OK.setBounds(180, 114, 72, 26);
		Name.setBounds(80, 10, 160, 20);
		Version.setBounds(80, 27, 160, 20);
		Author.setBounds(15, 70, 250, 20);
		Java.setBounds(80, 44, 160, 20);
		Icon.setBounds(16, 14, 48, 48);
	}

	public void actionPerformed(ActionEvent e) {
		Dialog.setVisible(false);
	}
}

标签:Java,text,add,Dialog,import,new,public,记事本
From: https://www.cnblogs.com/NorthPoet/p/17775191.html

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