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1、package com.lf.frame;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.e
2、vent.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMe
3、nu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JTextPane;
import javax.swing.event.CaretEvent;
import javax.swing.event.CaretListener;
/**
* @Description: 文本編輯器
* @modifyBy LIFENG
* @modifyDate 2014-6-24 上午09:55:58
*/
public class MyFrame extends J
4、Frame {
/** @Fields serialVersionUID: */
private static final long serialVersionUID = -2839804867272812883L;
Container c = new Container();
Label la = new Label("書山有路勤為徑!");
JMenuBar jmb = new JMenuBar();
JMenu file = new JMenu("文件");
JMenu edit = new
5、 JMenu("編輯");
JMenu option = new JMenu("選項(xiàng)");
JMenu about = new JMenu("關(guān)于");
JMenuItem newFile = new JMenuItem("新建");
JMenuItem open = new JMenuItem("打開(kāi)");
JMenuItem save = new JMenuItem("保存");
JMenuItem saveAs = new JMenuItem("另存為");
JMenuItem exit = n
6、ew JMenuItem("退出");
JMenuItem copy = new JMenuItem("復(fù)制");
JMenuItem cut = new JMenuItem("剪切");
JMenuItem paste = new JMenuItem("粘貼");
JMenuItem delete = new JMenuItem("全部刪除");
JMenuItem italic = new JMenuItem("斜體");
JMenuItem bold = new JMenuItem("加粗");
7、 JMenuItem version = new JMenuItem("版本");
JMenuItem help = new JMenuItem("幫助");
JTextPane ta = new JTextPane();
JFileChooser chooser = new JFileChooser();
FileInputStream filestream = null;
Myversion exitversion = new Myversion();
String selected = new Str
8、ing();
String filePath = "";
int dot, mark;
public MyFrame() {
chooser.setSize(400, 350);
chooser.setDialogTitle("學(xué)海無(wú)涯苦作舟");
chooser.setVisible(true);
la.setSize(200, 20);
la.setBackground(Color.orange);
Font f = new Font
9、("TimesRoman", Font.PLAIN, 16);
c = this.getContentPane();
c.setLayout(new BorderLayout());
c.add(ta, "Center");
this.setJMenuBar(jmb);
jmb.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 0));
jmb.add(file);
jmb.add(edit);
jmb.add
10、(option);
jmb.add(about);
jmb.add(la);
file.add(newFile);
file.add(open);
file.add(save);
file.add(saveAs);
file.add(exit);
edit.add(copy);
edit.add(cut);
edit.add(paste);
edit.add(delete);
op
11、tion.add(italic);
option.add(bold);
about.add(version);
about.add(help);
newFile.addActionListener(new ListenActionForJfilechooser());
open.addActionListener(new ListenActionForJfilechooser());
save.addActionListener(new saveListener());
12、 saveAs.addActionListener(new ListenActionForJfilechooser());
exit.addActionListener(new exitListener());
copy.addActionListener(new copyListener());
cut.addActionListener(new cutListener());
paste.addActionListener(new pasteListener());
delete.addActionL
13、istener(new deleteListener());
italic.addActionListener(new italicListener());
bold.addActionListener(new boldListener());
version.addActionListener(new showversion());
ta.addCaretListener(new taListener());
ta.setFont(f);
/*
* 關(guān)閉事件
14、 */
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent windowevent) {
System.exit(0);
}
});
}
class saveListener implements ActionListener {
public void a
15、ctionPerformed(ActionEvent e) {
if ("".equals(filePath)) {
filePath = FileUtils.getFilePath();
File file = new File(filePath);
if (!file.exists()) {
try {
file.createNewFile();
16、 } catch (IOException e1) {
e1.printStackTrace();
}
}
}
FileOutputStream fileOutStream = null;
try {
fileOutStream = new FileOutputStream(filePath);
17、} catch (FileNotFoundException fe) {
la.setText("File Not Found");
return;
}
String content = ta.getText();
try {
fileOutStream.write(content.getBytes());
} catch (IOException ioe) {
18、 la.setText("寫入文件錯(cuò)誤");
} finally {
try {
if (fileOutStream != null)
fileOutStream.close();
} catch (IOException ioe2) {
}
}
}
}
class boldListener imple
19、ments ActionListener {
public void actionPerformed(ActionEvent e) {
Font f = new Font("TimesRoman", Font.BOLD, 16);
ta.setFont(f);
}
}
class italicListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
20、 Font f = new Font("TimesRoman", Font.ITALIC, 16);
ta.setFont(f);
}
}
class deleteListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
Font f = new Font("TimesRoman", Font.PLAIN, 16);
ta.setText(n
21、ull);
ta.setFont(f);
}
}
class cutListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
String s1 = new String();
selected = selectedString();
s1 = ta.getText();
int length =
22、s1.length();
if (dot < mark) {
ta.setText(s1.substring(0, dot) + s1.substring(mark, length));
} else {
ta.setText(s1.substring(0, mark) + s1.substring(dot, length));
}
}
}
class pasteListener implements Act
23、ionListener {
public void actionPerformed(ActionEvent e) {
ta.paste();
}
}
class taListener implements CaretListener {
public void caretUpdate(CaretEvent e) {
dot = e.getDot(); // 取得光標(biāo)開(kāi)始位置
mark = e.getMark();// 取得光標(biāo)結(jié)束位置
24、 }
}
class copyListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
selected = selectedString();
}
}
class exitListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
25、 System.exit(0);
}
}
class ListenActionForJfilechooser implements ActionListener {
int result;
File file;
public void actionPerformed(ActionEvent e) {
if (e.getSource() == newFile) {
filePath = FileUtils.getFilePath();
26、
file = new File(filePath);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e1) {
e1.printStackTrace();
}
}
27、 try {
filestream = new FileInputStream(file);
la.setText("打開(kāi)的文件是：" + file.getName());
} catch (Exception e1) {
e1.printStackTrace();
}
try {
ta.read(fi
28、lestream, this);
} catch (Exception e1) {
e1.printStackTrace();
}
}
if (e.getSource() == open) {
int state = chooser.showOpenDialog(null);
file = chooser.getSelectedFile();
29、 if (file != null && state == JFileChooser.APPROVE_OPTION) {
try {
filestream = new FileInputStream(file);
la.setText("打開(kāi)的文件是：" + file.getName());
filePath =file.getPath();
30、} catch (Exception e1) {
e1.printStackTrace();
}
try {
ta.read(filestream, this);
} catch (Exception e1) {
e1.printStackTrace();
}
31、 }
}
if (e.getSource() == saveAs) {
result = chooser.showSaveDialog(ta);
file = null;
if (result == JFileChooser.APPROVE_OPTION) {
file = chooser.getSelectedFile();
la.set
32、Text("存儲(chǔ)文件名為:" + file.getName());
filePath =file.getPath();
} else if (result == JFileChooser.CANCEL_OPTION) {
la.setText("您沒(méi)有選擇任何文件");
}
FileOutputStream fileOutStream = null;
if (file
33、!= null) {
try {
fileOutStream = new FileOutputStream(file);
} catch (FileNotFoundException fe) {
la.setText("File Not Found");
return;
}
S
34、tring content = ta.getText();
try {
fileOutStream.write(content.getBytes());
} catch (IOException ioe) {
la.setText("寫入文件錯(cuò)誤");
} finally {
try {
35、 if (fileOutStream != null)
fileOutStream.close();
} catch (IOException ioe2) {
}
}
}
}
}
}
class showversion implements ActionLis
36、tener {
public void actionPerformed(ActionEvent e) {
exitversion.setVisible(true);
}
}
class Myversion extends Frame {
/** @Fields serialVersionUID: */
private static final long serialVersionUID = -3636792638101875168L;
La
37、bel l1 = new Label("Author: Lifeng");
Label l2 = new Label("Version 1.0");
Label l3 = new Label("2014.06.24");
Label l4 = new Label("Tel:18688746700");
Myversion() {
this.setLayout(new FlowLayout(FlowLayout.CENTER, 40, 20));
this
38、.add(l1);
this.add(l2);
this.add(l3);
this.add(l4);
this.setBounds(200, 180, 300, 200);
this.addWindowListener(new myWindowListener());
}
}
class myWindowListener extends WindowAdapter {
public void wind
39、owClosing(WindowEvent e) {
exitversion.setVisible(false);
}
}
String selectedString() {
String s = new String();
s = ta.getText();
if (dot < mark) {
s = s.substring(dot, mark);
} else {
s = s.substring(ma
40、rk, dot);
}
return s;
}
}
package com.lf.frame;
import java.io.File;
/**
* @Description: 文件工具類
* @modifyBy EX-LIFENG001
* @modifyDate 2014-6-24 上午10:38:46
*/
public class FileUtils {
/**
* @Description: 獲得文件名
* @author LI
41、FENG
* @date 2014-6-24上午10:38:59
* @return String
*/
public static String getFilePath() {
File path = new File("D:/");
File file = new File(path, "新建文本文檔.txt");
if (!file.exists()) {
return "D:/新建文本文檔.txt";
}
int count
42、= 1;
while (true) {
file = new File(path, "新建文本文檔(" + count + ").txt");
if (!file.exists()) {
return "D:/新建文本文檔(" + count + ").txt";
}
count ++;
}
}
}
package com.lf.frame;
/**
* @Description: 編輯器啟動(dòng)
* @modifyBy LIFENG
* @modifyDate 2014-6-24 上午09:56:25
*/
public class EditorMain {
public static void main(String[] args) {
MyFrame frame1 = new MyFrame();
frame1.setSize(500, 400);
frame1.setVisible(true);
}
}
java 文本編輯器
