Display page for ComboBoxes at www.BruceEckel.comComboBoxes.java








No Java 2 support for APPLET!!



//: c13:ComboBoxes.java
// Using drop-down lists.
// <applet code=ComboBoxes
// width=200 height=100> </applet>
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import com.bruceeckel.swing.*;

public class ComboBoxes extends JApplet {
String[] description = { "Ebullient", "Obtuse",
"Recalcitrant", "Brilliant", "Somnescent",
"Timorous", "Florid", "Putrescent" };
JTextField t = new JTextField(15);
JComboBox c = new JComboBox();
JButton b = new JButton("Add items");
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("index: "+ 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, 100);
}
} ///:~