Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * This file is part of WebLookAndFeel library.
 *
 * WebLookAndFeel library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * WebLookAndFeel library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with WebLookAndFeel library.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.awt.*;

public class Main {
    /**
     * Returns first focusable component found in the container.
     *
     * @param container container to process
     * @return first focusable component found in the container
     */
    public static Component findFocusableComponent(final Container container) {
        final FocusTraversalPolicy focusTraversalPolicy = container.getFocusTraversalPolicy();
        if (focusTraversalPolicy != null) {
            return focusTraversalPolicy.getFirstComponent(container);
        } else {
            for (final Component component : container.getComponents()) {
                if (component.isFocusable()) {
                    return component;
                }
                if (component instanceof Container) {
                    final Component focusable = findFocusableComponent((Container) component);
                    if (focusable != null) {
                        return focusable;
                    }
                }
            }
            return null;
        }
    }
}