001 /* OptionPaneUI.java
002 Copyright (C) 2002, 2003 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
016 You should have received a copy of the GNU General Public License
017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
032 module. An independent module is a module which is not derived from
033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038 package javax.swing.plaf;
039
040 import javax.swing.JOptionPane;
041
042 /**
043 * An abstract base class for delegates that implement the pluggable
044 * look and feel for a <code>JOptionPane</code>.
045 *
046 * @see javax.swing.JOptionPane
047 *
048 * @author Sascha Brawer (brawer@dandelis.ch)
049 */
050 public abstract class OptionPaneUI
051 extends ComponentUI
052 {
053 /**
054 * Gives keyboard input focus to the component that represents
055 * the default value.
056 *
057 * @param pane the <code>JOptionPane</code> for which this delegate
058 * object provides the pluggable user interface.
059 */
060 public abstract void selectInitialValue(JOptionPane pane);
061
062
063 /**
064 * Determines whether the user has provided custom components
065 * for the options or the message.
066 *
067 * @param pane the <code>JOptionPane</code> for which this delegate
068 * object provides the pluggable user interface.
069 *
070 * @return <code>true</code> if the user has supplied any custom
071 * components; <code>false</code> if all components are
072 * provided by Swing or a LookAndFeel.
073 */
074 public abstract boolean containsCustomComponents(JOptionPane pane);
075 }