CheckBoxPanel.java

package ro.virtualcampus.gui;

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

public class CheckBoxPanel extends JPanel implements ItemListener {

    private static final long serialVersionUID = 1L;
    private JCheckBox cbx1, cbx2, cbx3;
    private JLabel text1, text2;

    public CheckBoxPanel() {
        setLayout(new GridLayout(5, 1));
        text1 = new JLabel("Selecteaza marcile favorite !");
        cbx1 = new JCheckBox("Dacia");
        cbx1.setMnemonic(KeyEvent.VK_D);
        cbx2 = new JCheckBox("Ford");
        cbx2.setMnemonic(KeyEvent.VK_F);
        cbx3 = new JCheckBox("Toyota");
        cbx3.setMnemonic(KeyEvent.VK_T);
        text2 = new JLabel("");
        add(text1);
        add(cbx1);
        add(cbx2);
        add(cbx3);
        add(text2);
        cbx1.addItemListener(this);
        cbx2.addItemListener(this);
        cbx3.addItemListener(this);
    }

    public void itemStateChanged(ItemEvent e) {
        String buffer = "";
        if (cbx1.isSelected())
            buffer += " " + cbx1.getText();
        if (cbx2.isSelected())
            buffer += " " + cbx2.getText();
        if (cbx3.isSelected())
            buffer += " " + cbx3.getText();
        text2.setText(buffer);
    }
    
}