lý thuyết java võ tấn dũng votandung

[r]

import java.awt.Button;

import java.awt.Checkbox;

import java.awt.CheckboxGroup;

import java.awt.Color;

//import java.awt.Choice;

import java.awt.Frame;

import java.awt.Label;

import java.awt.List;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.swing.JOptionPane;

public class BoGaCa extends Frame implements ActionListener{ Label labelConVat = new Label("Chon con vat:");

Label labelMonAn = new Label("Chon mon an:");

Label labelMonDaChon = new Label("Cac mon da chon:");

CheckboxGroup g = new CheckboxGroup();

Checkbox radioBo = new Checkbox("Bo",g,true);

Checkbox radioGa = new Checkbox("Ga",g,false);

Checkbox radioCa = new Checkbox("Ca",g,false);

Checkbox checkboxNuong = new Checkbox("Nuong");

Checkbox checkboxLuoc = new Checkbox("Luoc");

Checkbox checkboxChien = new Checkbox("Chien");

List listMonDaChon =new List();

Button buttonThoat = new Button("Thoat"); Button buttonChon = new Button(">>"); Button buttonBoChon = new Button("<<");

public BoGaCa(String s)

{

this.setTitle(s);

this.setLayout(null);

this.setBackground(Color.LIGHT_GRAY);

labelConVat.setBounds(30,40,100,30); this.add(labelConVat);

radioBo.setBounds(50,80,50,30);

radioGa.setBounds(50,120,50,30);

radioCa.setBounds(50,160,50,30);

this.add(radioBo);

this.add(radioGa);

this.add(radioCa);

labelMonAn.setBounds(30,200,100,30); this.add(labelMonAn);

checkboxNuong.setBounds(50,240,55,30); checkboxLuoc.setBounds(50,280,50,30); checkboxChien.setBounds(50,320,50,30); this.add(checkboxNuong);

this.add(checkboxLuoc);

this.add(checkboxChien);

labelMonDaChon.setBounds(220,160,105,30); this.add(labelMonDaChon);

listMonDaChon.setBounds(220,200,100,150); //listMonDaChon.setMultipleMode(true); this.add(listMonDaChon);

buttonThoat.setBounds(220,100,100,30);

buttonThoat.addActionListener(this);

this.add(buttonThoat);

buttonChon.setBounds(130,240,70,30);

buttonChon.addActionListener(this);

this.add(buttonChon);

buttonBoChon.setBounds(130,280,70,30); buttonBoChon.addActionListener(this);

this.add(buttonBoChon);

this.addWindowListener(new WindowAdapter() { @Override

public void windowClosing(WindowEvent e) { System.exit(0);

}

});

}

public static void main(String[] args) {

BoGaCa f = new BoGaCa("Chon mon an"); f.setBounds(100,100,350,400);

f.setResizable(false);

f.setVisible(true);

}

@Override

public void actionPerformed(ActionEvent e) { String s1="";

String []s2= {"","",""};

if(e.getSource()== buttonThoat)

System.exit(0);

if(e.getSource()== buttonChon)

{

if(radioBo.getState())

s1 = radioBo.getLabel();

if(radioGa.getState())

s1 = radioGa.getLabel();

if(radioCa.getState())

s1 = radioCa.getLabel();

if(checkboxChien.getState())

s2[0]=checkboxChien.getLabel(); if(checkboxLuoc.getState())

s2[1]=checkboxLuoc.getLabel(); if(checkboxNuong.getState())

s2[2]=checkboxNuong.getLabel();

for(int i = 0; i<s2.length;i++)

if(!s2[i].equals(""))

listMonDaChon.add(s1 + " " + s2[i]);

checkboxChien.setState(false);

checkboxLuoc.setState(false);

checkboxNuong.setState(false);

}

if(e.getSource()== buttonBoChon)

{

int i = listMonDaChon.getSelectedIndex();

//int []a = listMonDaChon.getSelectedIndexes();

if(i<0)

JOptionPane.showMessageDialog(this,"Ban chua chon!"); else listMonDaChon.remove(i);

}

}

}