Example usage for javax.swing JMenuBar getComponentIndex

Introduction

In this page you can find the example usage for javax.swing JMenuBar getComponentIndex.

Prototype

public int getComponentIndex(Component c) 

Source Link

Document

Returns the index of the specified component.

Usage

From source file:Main.java

public static void main(String args[]) {
    JFrame f = new JFrame("JRadioButtonMenuItem Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JMenuBar bar = new JMenuBar();
    bar.addNotify();// www.j  av a 2  s.  c  o m
    JMenu menu = new JMenu("Options");
    menu.setMnemonic(KeyEvent.VK_O);

    ButtonGroup group = new ButtonGroup();

    JRadioButtonMenuItem menuItem = new JRadioButtonMenuItem("A");
    group.add(menuItem);
    menu.add(menuItem);

    menuItem = new JRadioButtonMenuItem("B");
    group.add(menuItem);
    menu.add(menuItem);

    menuItem = new JRadioButtonMenuItem("C");
    group.add(menuItem);
    menu.add(menuItem);

    bar.add(menu);

    int index = bar.getComponentIndex(menu);

    f.setJMenuBar(bar);
    f.setSize(300, 200);
    f.setVisible(true);
}

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