Oprea

JRadioButton

---

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

public class Gui extends JFrame {

private JTextField tf;
private Font pf;
private Font bf;
private Font itf;
private Font bif;
private JRadioButton pb;
private JRadioButton bb;
private JRadioButton ib;
private JRadioButton bib;
private ButtonGroup group;

public Gui() {
super("titel");
setLayout( new FlowLayout());

tf = new JTextField("Bucky is awesome", 25);
add(tf);
pb = new JRadioButton( "plain", true);
bb = new JRadioButton("Bold", false);
ib = new JRadioButton("italic", false);
bib = new JRadioButton("bold and italic", false);
add(pb);
add(bib);
add(ib);
add(bb);

group = new ButtonGroup();
group.add(pb);
group.add(bb);
group.add(ib);
group.add(bib);

pf = new Font("serif", Font.PLAIN, 14);
bf = new Font("serif", Font.BOLD, 14);
itf = new Font("serif", Font.ITALIC , 14);
bif = new Font("serif", Font.BOLD+Font.ITALIC , 14);
tf.setFont(pf);

//wait for event to happen, pass in font object to constructor
pb.addItemListener(new HandlerClass(pf));
bb.addItemListener(new HandlerClass(bf));
ib.addItemListener(new HandlerClass(itf));
bib.addItemListener(new HandlerClass(bif));
}

private class HandlerClass implements ItemListener{
private Font font;

// the font object get variable font
public HandlerClass(Font f) {
font = f;
}

//sets the font to the font object that was passed in
public void itemStateChanged(ItemEvent event) {
tf.setFont(font);
}
}
}

 

import javax.swing.JFrame;
public class apples {

public static void main(String[] args) {

Gui go = new Gui();
go.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
go.setSize(640, 480);
go.setVisible(true);

}

}