JLabel chazhao,tihuanwei;

JTextField shuru,shuru2;

JButton chazhaonext,tihuan,quxiao,quanbu;

JCheckBox qufen;

JRadioButton up,down;

public tihuan(JFrame own,String title,boolean bo)

{

super(own,title,bo);

chazhao=new JLabel("查找内容(N):");

tihuanwei=new JLabel("替换为：");

qufen=new JCheckBox("区分大小写");

shuru=new JTextField();

shuru2=new JTextField();

shuru2.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyPressed(KeyEvent eee) {

tihuan.setEnabled(true);

quanbu.setEnabled(true);

if (eee.getKeyCode() == KeyEvent.VK_ENTER)

{

setVisible(false);

}}

});

shuru.addMouseMotionListener(new MouseMotionAdapter(){

public void mouseMoved(MouseEvent ee){

shuru.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(255, 0, 0)));

}

});

shuru.addMouseListener(new MouseAdapter()

{

@Override

public void mouseExited(MouseEvent arg0) {

// TODO Auto-generated method stub

shuru.setBorder(javax.swing.BorderFactory.createLineBorder(Color.blue));

}

});

shuru2.addMouseMotionListener(new MouseMotionAdapter(){

public void mouseMoved(MouseEvent ee){

shuru2.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(255, 0, 0)));

}

});

shuru2.addMouseListener(new MouseAdapter()

{

@Override

public void mouseExited(MouseEvent arg0) {

// TODO Auto-generated method stub

shuru2.setBorder(javax.swing.BorderFactory.createLineBorder(Color.blue));

}

});

chazhaonext=new JButton("查找下一个");

chazhaonext.addActionListener(this);

tihuan=new JButton("替换");

tihuan.setEnabled(false);

tihuan.addActionListener(this);

quanbu=new JButton("全部替换");

quanbu.setEnabled(false);

quanbu.addActionListener(this);

quxiao=new JButton("取消");

quxiao.addActionListener(this);

JPanel fanxiang=new JPanel();

fanxiang.setBorder(BorderFactory.createTitledBorder(BorderFactory.createLineBorder(Color.LIGHT_GRAY),"方向"));

up=new JRadioButton("向上");

down=new JRadioButton("向下");

down.setSelected(true);

ButtonGroup g=new ButtonGroup();

g.add(up);

g.add(down);

Box box=Box.createHorizontalBox();

box.add(up);

box.add(Box.createHorizontalStrut(8));

box.add(down);

down.setSelected(true);

fanxiang.add(box);

this.setSize(485,185);

this.setLocationRelativeTo(null);

JPanel pane=new JPanel();

pane.setLayout(null);

chazhao.setBounds(10, 10, 80, 30);

shuru.setBounds(83,15,200, 22);

tihuanwei.setBounds(10,40,80,30);

shuru2.setBounds(83,45, 200, 22);

chazhaonext.setBounds(300,15,120,22);

tihuan.setBounds(300,45, 120,22);

quanbu.setBounds(300,75,120,22);

quxiao.setBounds(300,105,120,22);

qufen.setBounds(10,100, 110, 30);

fanxiang.setBounds(125, 80, 160, 60);

pane.add(chazhao);

pane.add(shuru);

pane.add(tihuanwei);

pane.add(shuru2);

pane.add(chazhaonext);

pane.add(tihuan);

pane.add(quanbu);

pane.add(quxiao);

pane.add(qufen);

pane.add(fanxiang);

this.getContentPane().add(pane);

chazhaonext.addActionListener(new ActionListener()

{

String str3 = shuru.getText();

public void actionPerformed(ActionEvent e)

{

int a =0, b =0;

if(!shuru.getText().equals(str3))

writebroad.text.setCaretPosition(0);

int FindStartPos=writebroad.text.getCaretPosition();

String str1, str2, str4, strA, strB;

str1 = writebroad.text.getText();

str2 = str1.toLowerCase();

str3 = shuru.getText();

str4 = str3.toLowerCase();

//"区分大小写"的CheckBox被选中

strA = str1;

strB = str3;

if(up.isSelected())

{

if(writebroad.text.getSelectedText()==null)

a = strA.lastIndexOf(strB, FindStartPos-1);

else

a = strA.lastIndexOf(strB, FindStartPos-shuru.getText().length()-1);

}

else if(down.isSelected())

{

if(writebroad.text.getSelectedText()==null)

a = strA.indexOf(strB, FindStartPos);

else

a=strA.indexOf(strB,FindStartPos-shuru.getText().length()+1);

}

if(a > -1)

{

if(up.isSelected())

{

writebroad.text.setCaretPosition(a);

b = shuru.getText().length();

writebroad.text.select(a, a + b);

}

else if(down.isSelected())

{

writebroad.text.setCaretPosition(a);

b = shuru.getText().length();

writebroad.text.select(a, a + b);

}

}

else

JOptionPane.showMessageDialog(null, "找不到您查找的内容!", "记事本",JOptionPane.INFORMATION_MESSAGE);

}

});

}

@Override

public void actionPerformed(ActionEvent arg0) {

// TODO Auto-generated method stub

String search = shuru.getText();

String textst=writebroad.text.getText();

String replace=shuru2.getText();

String newText;

if(arg0.getSource()==quanbu)

{

newText=textst.replace(search, replace);

writebroad.text.setText(newText);

JOptionPane.showMessageDialog(null, "系统已经为您全部替换");

setVisible(false);

}

else if(arg0.getSource()==tihuan)

{

newText=textst.replaceFirst(search, replace);

writebroad.text.setText(newText);

JOptionPane.showMessageDialog(null, "系统已经为您替换了一个符合的字符串");

}

else if(arg0.getSource()==quxiao)

{

dispose();

}

}