/*
 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 */

package javax.swing.plaf;

import javax.swing.JOptionPane;

/**
 * Pluggable look and feel interface for JOptionPane.
 *
 * @author Scott Violet
 */

public abstract class OptionPaneUI extends ComponentUI
{
    /**
     * Constructor for subclasses to call.
     */
    protected OptionPaneUI() {}

    /**
     * Requests the component representing the default value to have
     * focus.
     *
     * @param op a {@code JOptionPane}
     */
    public abstract void selectInitialValue(JOptionPane op);

    /**
     * Returns true if the user has supplied instances of Component for
     * either the options or message.
     *
     * @param op a {@code JOptionPane}
     * @return {@code true} if the given {@code JOptionPane} contains user
     *         created {@code Component}s
     */
    public abstract boolean containsCustomComponents(JOptionPane op);
}
