A Selected Button : Button « Swing JFC « Java

1. Java
2. Swing JFC
3. Button

A Selected Button

  
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Enumeration;

import javax.swing.AbstractButton;
import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JToggleButton;
import javax.swing.border.Border;

public class ASelectedButton {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Radio Buttons");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(0, 1));
    Border border = BorderFactory.createTitledBorder("Options");
    panel.setBorder(border);
    final ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JRadioButton("One");
    panel.add(abstract1);
    group.add(abstract1);
    AbstractButton abstract2 = new JRadioButton("Two");
    panel.add(abstract2);
    group.add(abstract2);
    AbstractButton abstract3 = new JRadioButton("Three");
    panel.add(abstract3);
    group.add(abstract3);
    AbstractButton abstract4 = new JRadioButton("Four");
    panel.add(abstract4);
    group.add(abstract4);
    AbstractButton abstract5 = new JRadioButton("Five");
    panel.add(abstract5);
    group.add(abstract5);
    ActionListener aListener = new ActionListener() {
      public void actionPerformed(ActionEvent event) {
        Enumeration elements = group.getElements();
        while (elements.hasMoreElements()) {
          AbstractButton button = (AbstractButton) elements
              .nextElement();
          if (button.isSelected()) {
            System.out.println("The winner is: " + button.getText());
            break;
          }
        }
        group.setSelected(null, true);
      }
    };
    JToggleButton button = new JToggleButton("Show Selected");
    button.addActionListener(aListener);
    Container container = frame.getContentPane();
    container.add(panel, BorderLayout.CENTER);
    container.add(button, BorderLayout.SOUTH);
    frame.setSize(300, 200);
    frame.setVisible(true);
  }
}

           
         
    
  

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