//: c14:CheckBoxes.java
// Użycie kontrolek JCheckBox.
// <applet code=CheckBoxes width=200 height=200></applet>
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import com.bruceeckel.swing.*;
public class CheckBoxes extends JApplet {
private JTextArea t = new JTextArea(6, 15);
private JCheckBox
cb1 = new JCheckBox("Pole wyboru 1"),
cb2 = new JCheckBox("Pole wyboru 2"),
cb3 = new JCheckBox("Pole wyboru 3");
public void init() {
cb1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
trace("1", cb1);
}
});
cb2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
trace("2", cb2);
}
});
cb3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
trace("3", cb3);
}
});
Container cp = getContentPane();
cp.setLayout(new FlowLayout());
cp.add(new JScrollPane(t));
cp.add(cb1);
cp.add(cb2);
cp.add(cb3);
}
private void trace(String b, JCheckBox cb) {
if(cb.isSelected())
t.append("Pole " + b + " ustawione\n");
else
t.append("Pole " + b + " wyczyszczone\n");
}
public static void main(String[] args) {
Console.run(new CheckBoxes(), 200, 200);
}
} ///:~