1/*
2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package javax.swing.plaf;
27
28import javax.swing.*;
29import javax.swing.filechooser.FileFilter;
30import javax.swing.filechooser.FileView;
31import java.io.File;
32
33/**
34 * Pluggable look and feel interface for <code>JFileChooser</code>.
35 *
36 * @author Jeff Dinkins
37 */
38
39public abstract class FileChooserUI extends ComponentUI
40{
41    /**
42     * Returns an accept-all file filter.
43     * @param fc the file chooser
44     * @return an accept-all file filter
45     */
46    public abstract FileFilter getAcceptAllFileFilter(JFileChooser fc);
47    /**
48     * Returns a file view.
49     * @param fc the file chooser
50     * @return a file view
51     */
52    public abstract FileView getFileView(JFileChooser fc);
53
54    /**
55     * Returns approve button text.
56     * @param fc the file chooser
57     * @return approve button text.
58     */
59    public abstract String getApproveButtonText(JFileChooser fc);
60    /**
61     * Returns the dialog title.
62     * @param fc the file chooser
63     * @return the dialog title.
64     */
65    public abstract String getDialogTitle(JFileChooser fc);
66
67    /**
68     * Rescan the current directory.
69     * @param fc the file chooser
70     */
71    public abstract void rescanCurrentDirectory(JFileChooser fc);
72    /**
73     * Ensure the file in question is visible.
74     * @param fc the file chooser
75     * @param f the file
76     */
77    public abstract void ensureFileIsVisible(JFileChooser fc, File f);
78
79    /**
80     * Returns default button for current <code>LookAndFeel</code>.
81     * <code>JFileChooser</code> will use this button as default button
82     * for dialog windows.
83     *
84     * @param fc the {@code JFileChooser} whose default button is requested
85     * @return the default JButton for current look and feel
86     * @since 1.7
87     */
88    public JButton getDefaultButton(JFileChooser fc) {
89        return null;
90    }
91}
92