Change font style of JTextField when JCheckbox is ticked and JButton is clicked

Question

I don't get the result I want in this code, which is when I click on the checkbox then the JTextField's text should be bold, but It doesn't happen. Help me please.

public class GUI extends JFrame{
  //CheckBoxs
  private JCheckBox box1;
  private JCheckBox box2;
  //Buttons
  private JButton button1;
  private JButton button2;
  //Text
  private JTextField fnam;
  private JTextField snam;
  public GUI(){
      //basic
      super("Program");
      setLayout(new FlowLayout());
      //add
      box1 = new JCheckBox("Button 1 Activate");
      box2 = new JCheckBox("Button 2 Activate");
      add(box1);
      add(box2);
      button1 = new JButton("Select First Name");
      button2 = new JButton("Select Second Name");
      add(button1);
      add(button2);
      fnam = new JTextField("Mena Farid",10);
      snam = new JTextField("Malak Mamdoh",12);
      fnam.setEditable(false);
      snam.setEditable(false);
      fnam.setFont(new Font("Serif",Font.PLAIN,10));
      snam.setFont(new Font("Serif",Font.PLAIN,12));
      add(fnam);
      add(snam);

      //ActionListener and Events
      Handler Handle = new Handler();
      Handler2 Handle2 = new Handler2();
    box1.addItemListener(
            new ItemListener(){
            public void itemStateChanged(ItemEvent e){
                if(box1.isSelected())
                    button1.addItemListener(Handle);
            }
        }
    );
    box2.addItemListener(
            new ItemListener(){
            public void itemStateChanged(ItemEvent e){
                if(box2.isSelected())
                    button2.addItemListener(Handle2);
            }
        }
    );
}
private class Handler implements ItemListener{
    public void itemStateChanged(ItemEvent f){
        Font font = null;
        font = new Font("Serif",Font.BOLD,10);
        fnam.setFont(font);
    }
}
private class Handler2 implements ItemListener{
    public void itemStateChanged(ItemEvent f){
        Font font2 = null;
        font2 = new Font("Serif",Font.BOLD,12);
        snam.setFont(font2);
    }
  }
}

The problem is The JTextField format is supposed to be turned into bold after I tick the checkbox and click the button but It doesn't happen.

Your code doesn't make sense. In your checkbox item listener, you assign an event handler to the button instead of setting the font weight of the button label. — Daniel B, Dec 14 '15 at 13:38
@DanielB Did you get what I'm trying to do? I'm actually trying to make the button activated by ticking the checkbox and when I click the button It changes the font of the JTextField I already have — BombrickJL, Dec 14 '15 at 13:52
@BombrickJL Sorry, completely missed the `button1` part. But you can't use an `ItemListener` for a `JButton`. Either use a `JToggleButton` or an `ActionListener`. — Lukas Rotter, Dec 14 '15 at 13:59
@LuxxMiner ow.. Thanks you fixed my problem . I have been using ItemListener for button instead of actionlistener all the time and that was the problem :v — BombrickJL, Dec 14 '15 at 14:03

score 0 · Answer 1 · answered Dec 14 '15 at 14:16

0

@LuxxMiner ow.. Thanks you fixed my problem . I have been using ItemListener for button instead of ActionListener all the time and that was the problem.

answered Dec 14 '15 at 14:16

BombrickJL

11
4

Change font style of JTextField when JCheckbox is ticked and JButton is clicked

1 Answers1