notepad.java

java记事本源码

//调用编辑查找 

void FileFindNext(ActionEvent e) 
{ 
new Frame1(jTextArea1); 
} 

//时间 

void FileTime(ActionEvent e){ 
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
jTextArea1.append("\r\n当前时间:"+sdf.format(new Date())); 
bsaved =false; 
} 

//全选 

void AllSelect(ActionEvent e){ 
jTextArea1.setSelectionStart(0); 
jTextArea1.setSelectionEnd(this.jTextArea1.getText().length()); 
} 

//换行 

void FileLine(ActionEvent e){ 
if(!jTextArea1.getLineWrap()){ 
jTextArea1.setLineWrap(true); 
} 
else{ 
jTextArea1.setLineWrap(false); 
} 
} //有问题 

// 颜色 

public void fcolor(ActionEvent e){ 
Color bcolor=jTextArea1.getForeground(); 
jColor.setColor(bcolor); 
jTextArea1.setForeground( 
jColor.showDialog(jTextArea1,"选择颜色",bcolor)); 

} 

//调用关于对话框 

void HelpAboutDialog(ActionEvent e) 
{ 
JOptionPane.showMessageDialog(this,"版权:冯镇宇","关于记事本",JOptionPane.INFORMATION_MESSAGE); 

} 

 

//行为事件 

public void actionPerformed(ActionEvent e) 
{ 

if (e.getSource() == jMenuFileCut) 
{ 
FileCut(e); 
} 
else if (e.getSource() == jMenuFileCopy) 
{ 
FileCopy(e); 
} 
else if (e.getSource() == jMenuFilePaste) 
{ 
FilePaste(e); 
} 
else if (e.getSource() == jMenuFileDel) 
{ 
FileDel(e); 
} 
else if (e.getSource()==jMenuMouseCut) 
{ 
FileCut(e); 
} 
else if (e.getSource()==jMenuMouseCopy) 
{ 
FileCopy(e); 
} 
else if (e.getSource()==jMenuMousePaste) 
{ 
FilePaste(e); 
} 
else if (e.getSource()==jMenuMouseDel) 
{ 
FileDel(e); 
} 
else if (e.getSource() == jMenuFileFindNext) 
{ 
FileFindNext(e); 
} 
else if(e.getSource() ==jMenuFileSelect){ 
AllSelect(e); 
} 
else if (e.getSource() ==jMenuFileTime){ 
FileTime(e); 
} 
else if(e.getSource()==jMenuCheckBox){ 
if(check){ 
FileLine(e); 
} 
//check=!check; 
} 
else if (e.getSource() == jMenuFileFont) 
{ 
new Bfont(jTextArea1); 
} 
else if (e.getSource() == jcolor) 
{ 
fcolor(e); 
} 
else if (e.getSource() == jMenuHelpAbout) 
{ 
HelpAboutDialog(e); 
} 

} 

//主函数 

public static void main(String args[]){ 
new Notepad(); 
} 
 
class File_new_actionAdapter implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
File_new_actionPerformed(e); 
} 

} 

class File_open_actionAdapter implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
File_open_actionPerformed(e); 
} 

} 
class File_save_actionAdapter implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
File_save_actionPerformed(e); 
} 

} 
class File_saveto_actionAdapter implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
File_saveto_actionPerformed(e); 
} 

} 
class File_close_actionAdapter implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
File_close_actionPerformed(e); 
} 
} 
 
//查找类 
class Frame1 extends JDialog implements ActionListener { 
JButton jButton1 = new JButton(); 
JButton jButton2 = new JButton(); 
JButton jButton3 = new JButton(); 

JLabel jLabel1 = new JLabel(); 
JLabel jLabel2 = new JLabel(); 
JTextField jTextField1 = new JTextField(); 
JTextField jTextField2 = new JTextField(); 
JCheckBox jCheckBox1 = new JCheckBox("区分大小写",true); 
JRadioButton[] teams = new JRadioButton[2]; 
ButtonGroup jj=new ButtonGroup(); 
String findstr; 

public Frame1(JTextArea jTextArea1) { 
try { 
findstr=jTextArea1.getText(); 
jbInit(); 
} 
catch(Exception e) { 
e.printStackTrace(); 
} 
} 


public void jbInit() throws Exception { 
this.getContentPane().setLayout(null); 
this.setBounds(120,120,380, 150); 
this.setTitle("查找"); 
this.setModal(true); 

jButton1.setText("下一个"); 
jButton1.setBounds(new Rectangle(273, 7, 91, 20)); 

Button1Listener next=new Button1Listener(); 
jButton1.addActionListener(next); 

jButton3.setText("替换"); 
jButton3.setBounds(new Rectangle(273, 36, 91, 20)); 
Button3Listener replace =new Button3Listener(); 
jButton3.addActionListener(replace); 

jButton2.setText("取消"); 
jButton2.setBounds(new Rectangle(273, 65, 91, 20)); 
Button2Listener cancel=new Button2Listener(); 
jButton2.addActionListener(cancel); 


jLabel1.setText("查找内容 :"); 
jLabel1.setBounds(new Rectangle(7, 10, 72, 19)); 
jTextField1.setBounds(new Rectangle(78, 12, 182, 19)); 

jLabel2.setText("替换为 :"); 
jLabel2.setBounds(new Rectangle(7, 36, 72, 19)); 
jTextField2.setBounds(new Rectangle(78, 36, 182, 19)); 

jCheckBox1.setBounds(new Rectangle(7, 85, 89, 25)); 
jCheckBox1.addActionListener(this); 

teams[0]=new JRadioButton("向上",false); 
teams[0].setBounds(new Rectangle(98, 85, 68, 22)); 
teams[0].addActionListener(this); 

teams[1]=new JRadioButton("向下",true); 
teams[1].setBounds(new Rectangle(178, 85, 62, 25)); 
teams[1].addActionListener(this); 

jj.add(teams[0]); 
jj.add(teams[1]); 

this.getContentPane().add(jButton1, null); 
this.getContentPane().add(jButton2, null); 
this.getContentPane().add(jButton3, null); 
this.getContentPane().add(jLabel1, null); 
this.getContentPane().add(jLabel2, null); 
this.getContentPane().add(jTextField1, null); 
this.getContentPane().add(jTextField2, null); 
this.getContentPane().add(jCheckBox1, null); 
this.getContentPane().add(teams[0], null); 
this.getContentPane().add(teams[1], null); 
show(); 
} 

public void actionPerformed(ActionEvent e){ 
if (e.getSource() == jCheckBox1){ 
if(check){ 
findstr=findstr.toLowerCase(); 
} 
else 
findstr=jTextArea1.getText(); 
check=!check; 
} 

} 

public void processWindowEvent(WindowEvent e) { 
super.processWindowEvent(e); 
if(e.getID() == WindowEvent.WINDOW_CLOSED) { 
System.exit(0); 
} 
} 

public void find(){ 
String text1=jTextField1.getText(); 
if(check){ 
text1=text1.toLowerCase(); 
} 
int index, 
i=jTextArea1.getSelectionStart(); 
t=jTextArea1.getSelectionEnd(); 

if(teams[0].isSelected()){ 
String ftp=findstr.substring(0,i); 
index = ftp.lastIndexOf(text1); 
if(index!=-1){ 
i=index-1; 

jTextArea1.select(index,index+text1.length()); 
} 
else 
JOptionPane.showMessageDialog(this,"找不到"+text1,"提示",JOptionPane.INFORMATION_MESSAGE); 

} 
else { 
index = findstr.indexOf(text1,t); 
if(index!=-1){ 
t=index+text1.length(); 
jTextArea1.select(index,index+text1.length()); 
} 
else 
JOptionPane.showMessageDialog(this,"找不到"+text1,"提示",JOptionPane.INFORMATION_MESSAGE); 

} 
this.repaint(); 

} 
//替换 
public void replace(){ 
String text2=jTextField2.getText(); 
int star=jTextArea1.getSelectionStart(); 
int end=jTextArea1.getSelectionEnd(); 
if(star!=end){ 
jTextArea1.replaceRange(text2,star,end); 
} 
else 
JOptionPane.showMessageDialog(this,"请确定要查找的内容","提示",JOptionPane.INFORMATION_MESSAGE); 
} 

class Button1Listener implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
find(); 
} 

} 

class Button2Listener implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
hide(); 
} 
} 

class Button3Listener implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
replace(); 
} 
} 


} 


//字体类 
public class Bfont extends JDialog { 
JPanel contentPane; 
JLabel jLabel1 = new JLabel(); 
String[] data1 = {"Arial", "Arial Black", "Arial Narrow", "Book Antiqua","Bookman Old Style","Century Gothic","Comic Sans MS","Courier","Fixedsys","Garamond"}; 
JList jList1 = new JList(data1); 
JLabel jLabel2 = new JLabel(); 
String[] data2 = {"常规", "斜体", "粗体", "粗斜体"}; 
JList jList2 = new JList(data2); 
JLabel jLabel3 = new JLabel(); 
String[] data3 = {"10", "11", "12", "14","16","18","20"}; 
JList jList3 = new JList(data3); 
JButton jButton1 = new JButton(); 
JComboBox jComboBox1 = new JComboBox(); 
JLabel jLabel4 = new JLabel(); 
JTextField jTextField1 = new JTextField("败"); 
JTextField jTextField2 = new JTextField("Arial"); 
JTextField jTextField3 = new JTextField("常规"); 
JTextField jTextField4 = new JTextField("10"); 
JButton jButton2 = new JButton(); 

int index; 
String ziti; 
int daxiao; 
int zixing; 

public Bfont(JTextArea jTextArea1) { 
enableEvents(AWTEvent.WINDOW_EVENT_MASK); 
try { 
jbInit(); 
} 
catch(Exception e) { 
e.printStackTrace(); 
} 
} 

private void jbInit() throws Exception { 

contentPane = (JPanel) this.getContentPane(); 
contentPane.setLayout(null); 
this.getContentPane().setBackground(Color.lightGray); 
this.setSize(new Dimension(440,315)); 
this.setTitle("字体"); 
this.setModal(true); 

jLabel1.setText("字体"); 
jLabel1.setBounds(new Rectangle(11, 10, 65, 23)); 
jTextField2.setBounds(new Rectangle(8, 40, 138, 20)); 

jList1.setToolTipText("提示"); 
jList1.setSelectedIndex(0); 
jList1.setBounds(new Rectangle(8, 61, 138, 115)); 
jLabel2.setText("字型"); 
jLabel2.setBounds(new Rectangle(158, 10, 65, 23)); 
jTextField3.setBounds(new Rectangle(152, 40, 109, 20)); 

jList2.setSelectedIndex(0); 
jList2.setBounds(new Rectangle(152, 61, 109, 115)); 
jLabel3.setText("大小"); 
jLabel3.setBounds(new Rectangle(273, 10, 65, 23)); 
jTextField4.setBounds(new Rectangle(267, 40, 66, 20)); 

jList3.setSelectedIndex(0); 
jList3.setBounds(new Rectangle(267, 61, 66, 115)); 


jButton1.setBounds(new Rectangle(344, 38, 81, 26)); 
jButton1.setText("确定"); 
jComboBox1.setBounds(new Rectangle(151, 215, 181, 22)); 
jLabel4.setText("字符集"); 
jLabel4.setBounds(new Rectangle(152, 188, 65, 23)); 
jTextField1.setBackground(Color.lightGray); 
jTextField1.setEnabled(false); 
jTextField1.setBounds(new Rectangle(10, 194, 127, 79)); 

jButton2.setBounds(new Rectangle(345, 83, 79, 26)); 
jButton2.setText("取消"); 


contentPane.add(jLabel1, null); 
contentPane.add(jLabel4, null); 
contentPane.add(jComboBox1, null); 
contentPane.add(jLabel3, null); 
contentPane.add(jLabel2, null); 
contentPane.add(jList1, null); 
contentPane.add(jButton1, null); 
contentPane.add(jButton2, null); 
contentPane.add(jList3, null); 
contentPane.add(jList2, null); 
contentPane.add(jTextField4, null); 
contentPane.add(jTextField3, null); 
contentPane.add(jTextField2, null); 
contentPane.add(jTextField1, null); 

jComboBox1.addItem("西方"); 
jComboBox1.addItem("华文"); 

Button1Listener fok=new Button1Listener(); 
jButton1.addActionListener(fok); 

Button2Listener fon=new Button2Listener(); 
jButton2.addActionListener(fon); 

MouseListener mouseListener1 = new MouseAdapter() { 
public void mouseClicked(MouseEvent e) { 
if (e.getClickCount() == 1) { 
index = jList1.locationToIndex(e.getPoint()); 
jList1.setSelectedIndex(index); 
jTextField2.setText(jList1.getSelectedValue().toString()); 
ziti=jTextField2.getText(); 

} 
} 
}; 
MouseListener mouseListener2 = new MouseAdapter() { 
public void mouseClicked(MouseEvent e) { 
if (e.getClickCount() == 1) { 
index = jList2.locationToIndex(e.getPoint()); 
jList2.setSelectedIndex(index); 
String zip=jList2.getSelectedValue().toString(); 
jTextField3.setText(zip); 
if(zip.compareTo("常规")==0){ 
zixing=Font.PLAIN; 
} 
else if(zip.compareTo("斜体")==0){ 
zixing=Font.ITALIC; 
} 
else if(zip.compareTo("粗体")==0){ 
zixing=Font.BOLD; 
} 
// jTextField2.setFont(new Font(ziti, zixing, daxiao)); 
} 
} 
}; 
MouseListener mouseListener3 = new MouseAdapter() { 
public void mouseClicked(MouseEvent e) { 
if (e.getClickCount() == 1) { 
index = jList3.locationToIndex(e.getPoint()); 
jList3.setSelectedIndex(index); 
jTextField4.setText(jList3.getSelectedValue().toString()); 
daxiao=Integer.parseInt(jTextField4.getText()); 
// jTextField2.setFont(new Font(ziti, zixing, daxiao)); 
} 
} 
}; 
jList1.addMouseListener(mouseListener1); 
jList2.addMouseListener(mouseListener2); 
jList3.addMouseListener(mouseListener3); 
show(); 
} 

void sfont(){ 
// String ziti=jTextField2.getText(); 
// int daxiao=Integer.parseInt(jTextField4.getText()); 

jTextArea1.setDragEnabled(true); 
jTextArea1.setFont(new Font(ziti, zixing, daxiao)); 

} 

class Button1Listener implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
sfont(); 
//有问题 si 
// hide(); 
} 
} 

class Button2Listener implements ActionListener { 
public void actionPerformed(ActionEvent e){ 
hide(); 
} 
} 

public void processWindowEvent(WindowEvent e) { 
super.processWindowEvent(e); 
if(e.getID() == WindowEvent.WINDOW_CLOSED) { 
System.exit(0); 
} 
} 

} 

}