jsb.java~8~

和微软记事本一样的java小程序

str="记事本"+str;
}
this.setTitle(str);
this.repaint();
}

//文件关闭

void FileClose(){
if(!bsaved){
if(toExit()){
FileSave();
}
else {
System.exit(0);
}
}
else{
System.exit(0);
}
}

//调用编辑剪切

void FileCut (ActionEvent e)
{

try{
String str=this.jTextArea1.getSelectedText();
if(str.length()!=0){
StringSelection s = new StringSelection(str);
cb.setContents(s,s);
this.jTextArea1.replaceRange("",this.jTextArea1.getSelectionStart(),this.jTextArea1.getSelectionEnd());
bsaved =false;
}
}catch(Exception ex){
this.statubar.setText("剪切出错:"+ex.getMessage());
}

}

//调用编辑复制

void FileCopy(ActionEvent e)
{

try{
String str=this.jTextArea1.getSelectedText();
if(str.length()!=0){
StringSelection s = new StringSelection(str);
cb.setContents(s,s);
}
}catch(Exception ex)
{
this.statubar.setText("复制出错!"+ex.getMessage());
}

}

//调用编辑粘贴

void FilePaste(ActionEvent e)
{
try
{
Transferable tr =cb.getContents(this);
if (tr != null)
{
String s = (String)tr.getTransferData(DataFlavor.stringFlavor);
if(s!=null)
jTextArea1.replaceRange(s,jTextArea1.getSelectionStart(),jTextArea1.getSelectionEnd());
bsaved =false;
}
}
catch (Exception err)
{
err.printStackTrace();
}
}

//调用编辑删除

void FileDel(ActionEvent e)
{
jTextArea1.replaceRange("",jTextArea1.getSelectionStart(),jTextArea1.getSelectionEnd());
bsaved =false;
}

//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);
}
}

// 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,"金鑫 岳鹏飞 刘志昶 马飞 朱鹏涛 张莉 霍娜","小组成员",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);
}
}
else if (e.getSource() == jcolor)
{
fcolor(e);
}
else if (e.getSource() == jMenuHelpAbout)
{
HelpAboutDialog(e);
}

}


//主函数

public static void main(String args[]){
new jsb();
}


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();
}
}
}
}