Java JMenuBar selectMenuItem(JMenuBar menuBar, Action action, boolean selected)

Description

change the selection state of the menu item (typically a JRadioButton or JCheckboxButton) that uses the provided action.

License

Open Source License

Parameter

Parameter	Description
parent	The top component to start searching; typically a toolbar or menuBar
action	The action to locate
selected	The new selection state

Return

the menu component associated with the action

Declaration

public static AbstractButton selectMenuItem(JMenuBar menuBar, Action action, boolean selected) 

Method Source Code

//package com.java2s;
/*******************************************************************************
* Copyright (c) 2012 Firestar Software, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors://from   w  w  w.  j a  v  a 2 s. c  o  m
*     Firestar Software, Inc. - initial API and implementation
*
* Author:
*     Sally Conway
*
*******************************************************************************/

import java.awt.Component;
import java.awt.Container;
import javax.swing.AbstractButton;
import javax.swing.Action;
import javax.swing.JMenuBar;

public class Main {
    /** change the selection state of the menu item (typically a JRadioButton or
     * JCheckboxButton) that uses the provided action.
     * @param   parent   The top component to start searching; typically a toolbar or menuBar
     * @param   action   The action to locate
     * @param   selected   The new selection state
     * @return   the menu component associated with the action
     */
    public static AbstractButton selectMenuItem(JMenuBar menuBar, Action action, boolean selected) {
        AbstractButton item = getMenuItem(menuBar, action);
        if (item != null) {
            item.setSelected(selected);
        }
        return item;
    }

    /** Recursively search the contents of the container to find a MenuItem or Button
     * that uses this action.
     * @param container
     * @param action
     * @return
     */
    public static AbstractButton getMenuItem(Container container, Action action) {
        for (int i = 0; i < container.getComponentCount(); i++) {
            Component item = container.getComponent(i);
            if (item instanceof AbstractButton && ((AbstractButton) item).getAction().equals(action)) {
                return (AbstractButton) item;
            } else if (item instanceof Container) {
                return getMenuItem((Container) item, action);
            }
        }
        return null;
    }
}

Related

1. getMenu(JMenuBar loMenuBar, String psComando)
2. getMenuItem(JMenuBar menu, String text)
3. launch(String title, JComponent component, JMenuBar menuBar)
4. menu(String text, char mnemonic, JMenuBar menuBar)
5. pushMenu(JMenuBar jmenubar, String[][] menus)
6. selectSaveFile(JMenuBar menuBar)