import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

class MainGUI extends JFrame
{
	/**這里定義了一個圖形用戶界面主要有標簽,文本框,單選框和按鈕幾大類
	 */
	JButton btnOK=new JButton("確    定");
	JButton btnReset=new JButton("重    置");
	JRadioButton radLogIn=new JRadioButton("登    錄",false);
	JRadioButton radResetPWD=new JRadioButton("修改密碼",false);
    JRadioButton radComsuption=new JRadioButton("消    費",false);
    JRadioButton radDeposit=new JRadioButton("充    值",false);
    JRadioButton radConsult=new JRadioButton("查    余",false);

	JLabel lblCardNo=new JLabel("校園卡號",JLabel.CENTER);
	JLabel lblPassword=new JLabel("本卡密碼",JLabel.CENTER);
	JLabel lblNewPassword=new JLabel("  新密碼",JLabel.CENTER);
	JLabel lblDeposit=new JLabel("充值金額",JLabel.CENTER);
	JLabel lblComBalance=new JLabel("消費金額",JLabel.CENTER);
	JLabel lblType=new JLabel("操作類型:",JLabel.CENTER);
	JLabel lblOperationType=new JLabel("查    余",JLabel.CENTER);

	JTextField txtCardNo=new JTextField();
	JPasswordField pdPassword=new JPasswordField();//
	JPasswordField pdNewPassword=new JPasswordField();//
	JTextField txtDeposit=new JTextField();
	JTextField txtComBalance=new JTextField();

    /*
     * 定義RadioButtonListener對象rbListener用于對用戶的選擇監聽
     */
	ButtonGroup radioGroup=new ButtonGroup();
	RadioButtonListener rbListener=new RadioButtonListener(this);//監聽用戶操作
	ResetButtonListener resetListener=new ResetButtonListener(this);//響應用戶的重置操作
	FrameListener fListener=new FrameListener();   //響應用戶的退出操作
	btOkButtonListener cbListener=new btOkButtonListener(this);//響應用戶的操作,并返回結果

    MainGUI()
	{
		super("校園卡管理系統");
		Container c=getContentPane();
		c.setLayout(null);

		c.add(txtCardNo);
		c.add(pdPassword);//
		pdPassword.setEchoChar('*');//
		c.add(pdNewPassword);//
		pdNewPassword.setEchoChar('*');//
		c.add(txtDeposit);
		c.add(txtComBalance);

		c.add(lblCardNo);
		c.add(lblPassword);
		c.add(lblNewPassword);
		c.add(lblDeposit);
		c.add(lblComBalance);
		c.add(lblType);
		c.add(lblOperationType);

		c.add(btnOK);
		c.add(btnReset);

		c.add(radLogIn);
		c.add(radResetPWD);
		c.add(radComsuption);
		c.add(radDeposit);
		c.add(radConsult);

		radioGroup.add(radLogIn);
		radioGroup.add(radResetPWD);
		radioGroup.add(radComsuption);
		radioGroup.add(radDeposit);
		radioGroup.add(radConsult);

		radLogIn.addActionListener(rbListener);
		radResetPWD.addActionListener(rbListener);
		radComsuption.addActionListener(rbListener);
		radDeposit.addActionListener(rbListener);
		radConsult.addActionListener(rbListener);

		btnOK.addActionListener(cbListener);
		btnReset.addActionListener(resetListener);
		this.addWindowListener(fListener);//關閉系統監聽器

        //給各個界面元素定位
		radLogIn.setBounds(0,250,80,40);
		radResetPWD.setBounds(100,250,80,40);
		radComsuption.setBounds(200,250,80,40);
		radDeposit.setBounds(300,250,80,40);
		radConsult.setBounds(400,250,80,40);

		btnOK.setBounds(100,300,100,40);
		btnReset.setBounds(300,300,100,40);

		lblCardNo.setBounds(0,50,100,40);
		lblPassword.setBounds(0,100,100,40);
		lblNewPassword.setBounds(250,50,100,40);
		lblDeposit.setBounds(250,100,100,40);
		lblComBalance.setBounds(0,150,100,40);
		lblType.setBounds(0,200,100,40);
		lblOperationType.setBounds(200,200,100,40);

		txtCardNo.setBounds(120,50,100,40);
		pdPassword.setBounds(120,100,100,40);//
		pdNewPassword.setBounds(370,50,100,40);//
		txtDeposit.setBounds(370,100,100,40);
		txtComBalance.setBounds(120,150,100,40);

        setSize(500,450);
        setVisible(true);
        setResizable(false);
	}
}