//: c14:ComboBoxes.java
// Użycie list rozwijanych.
// <applet code=ComboBoxes width=200 height=125></applet>
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import com.bruceeckel.swing.*;
public class ComboBoxes extends JApplet {
private String[] description = {
"Ograniczony", "Krnąbrny", "Błyskotliwy",
"Samolubny", "Nieśmiały", "Zdrowy", "Zgniły"
};
private JTextField t = new JTextField(15);
private JComboBox c = new JComboBox();
private JButton b = new JButton("Dodaj elementy");
private int count = 0;
public void init() {
for(int i = 0; i < 4; i++)
c.addItem(description[count++]);
t.setEditable(false);
b.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(count < description.length)
c.addItem(description[count++]);
}
});
c.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
t.setText("indeks: "+ c.getSelectedIndex() + " " +
((JComboBox)e.getSource()).getSelectedItem());
}
});
Container cp = getContentPane();
cp.setLayout(new FlowLayout());
cp.add(t);
cp.add(c);
cp.add(b);
}
public static void main(String[] args) {
Console.run(new ComboBoxes(), 200, 125);
}
} ///:~