import java.awt.Panel;
import java.awt.Button;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.Choice;
import java.awt.Frame;
import java.awt.event.ActionEvent;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.ActionListener;

public class AdvanceSetFrame extends Frame implements ActionListener,
        ItemListener {
    private Choice timeChoice;
    private Button btnEnter, btnCancel;
    private Panel panel;
    final String enterStr = "确定";
    final String cancelStr = "取消";
    final static String title = "高级设置";// 当static不标时会有提示于super(title):Cannot

    // refer to an instance field title
    // while explicitly invoking a
    // constructor
    public AdvanceSetFrame() {
        super(title);
        setBounds(500, 300, 400, 200);
        setLayout(null);
        panel = new Panel();
        timeChoice = new Choice();
        timeChoice.add("1.0");
        timeChoice.add("1.5");
        timeChoice.add("2.0");
        timeChoice.add("2.5");
        timeChoice.add("3.0");
        timeChoice.setVisible(true);
        timeChoice.addItemListener(this);
        panel.add(timeChoice);
        add(panel);
        setVisible(true);
        btnEnter = new Button(enterStr);
        btnCancel = new Button(cancelStr);
        btnEnter.addActionListener(this);
        btnCancel.addActionListener(this);
        btnEnter.setBounds(145, 170, 50, 20);
        btnCancel.setBounds(205, 170, 50, 20);
        add(btnEnter);
        add(btnCancel);
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                setVisible(false);
            }
        });
    }

    public void itemStateChanged(ItemEvent e) {
        // TODO Auto-generated method stub
        if (e.getItemSelectable() == timeChoice) {
//            if (timeChoice.getSelectedIndex() == 0) {
//            } else if (timeChoice.getSelectedIndex() == 1) {
//            } else if (timeChoice.getSelectedIndex() == 2) {
//            } else if (timeChoice.getSelectedIndex() == 3) {
//            } else if (timeChoice.getSelectedIndex() == 4) {
//            }
        }
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        // TODO Auto-generated method stub
        if(e.getSource() == btnEnter){
            this.setVisible(false);
        }else if(e.getSource() == btnCancel){
            this.setVisible(false);
        }
    }
}


public class BeadrollFrame{

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