SingleChoiceMenu.java Source code

Introduction

Here is the source code for SingleChoiceMenu.java

Source

import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.ButtonGroup;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;

public class SingleChoiceMenu extends JFrame {

    public static final String FontName[] = { "Serif", "SansSerif", "Courier" };

    private Font[] fonts;

    protected JMenuItem[] fontMenus;

    public SingleChoiceMenu() {
        super("BasicTextEditor with JColorChooser");
        setSize(450, 350);

        fonts = new Font[FontName.length];
        for (int k = 0; k < FontName.length; k++)
            fonts[k] = new Font(FontName[k], Font.PLAIN, 12);

        JMenuBar menuBar = createMenuBar();
        setJMenuBar(menuBar);

        WindowListener wndCloser = new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        };
        addWindowListener(wndCloser);

        setVisible(true);
    }

    protected JMenuBar createMenuBar() {
        final JMenuBar menuBar = new JMenuBar();

        JMenu mFont = new JMenu("Font");
        mFont.setMnemonic('o');

        ButtonGroup group = new ButtonGroup();
        fontMenus = new JMenuItem[FontName.length];
        for (int k = 0; k < FontName.length; k++) {
            int m = k + 1;
            fontMenus[k] = new JRadioButtonMenuItem(m + " " + FontName[k]);
            boolean selected = (k == 0);
            fontMenus[k].setSelected(selected);
            fontMenus[k].setMnemonic('1' + k);
            fontMenus[k].setFont(fonts[k]);
            fontMenus[k].addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent arg0) {
                    System.out.println(((JComponent) arg0.getSource()).getFont());

                }

            });
            group.add(fontMenus[k]);
            mFont.add(fontMenus[k]);
        }

        menuBar.add(mFont);

        return menuBar;
    }

    public static void main(String argv[]) {
        new SingleChoiceMenu();
    }
}