1/*
2 * Copyright (c) 1997, 1998, 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 com.sun.java.swing.plaf.windows;
27
28import sun.awt.AppContext;
29
30import javax.swing.plaf.basic.*;
31import javax.swing.*;
32import javax.swing.plaf.*;
33
34import java.awt.*;
35
36/**
37 * Windows check box.
38 * <p>
39 * <strong>Warning:</strong>
40 * Serialized objects of this class will not be compatible with
41 * future Swing releases.  The current serialization support is appropriate
42 * for short term storage or RMI between applications running the same
43 * version of Swing.  A future release of Swing will provide support for
44 * long term persistence.
45 *
46 * @author Jeff Dinkins
47 */
48public class WindowsCheckBoxUI extends WindowsRadioButtonUI
49{
50    // NOTE: MetalCheckBoxUI inherts from MetalRadioButtonUI instead
51    // of BasicCheckBoxUI because we want to pick up all the
52    // painting changes made in MetalRadioButtonUI.
53
54    private static final Object WINDOWS_CHECK_BOX_UI_KEY = new Object();
55
56    private static final String propertyPrefix = "CheckBox" + ".";
57
58    private boolean defaults_initialized = false;
59
60    // ********************************
61    //          Create PLAF
62    // ********************************
63    public static ComponentUI createUI(JComponent c) {
64        AppContext appContext = AppContext.getAppContext();
65        WindowsCheckBoxUI windowsCheckBoxUI =
66                (WindowsCheckBoxUI) appContext.get(WINDOWS_CHECK_BOX_UI_KEY);
67        if (windowsCheckBoxUI == null) {
68            windowsCheckBoxUI = new WindowsCheckBoxUI();
69            appContext.put(WINDOWS_CHECK_BOX_UI_KEY, windowsCheckBoxUI);
70        }
71        return windowsCheckBoxUI;
72    }
73
74
75    public String getPropertyPrefix() {
76        return propertyPrefix;
77    }
78
79    // ********************************
80    //          Defaults
81    // ********************************
82    public void installDefaults(AbstractButton b) {
83        super.installDefaults(b);
84        if(!defaults_initialized) {
85            icon = UIManager.getIcon(getPropertyPrefix() + "icon");
86            defaults_initialized = true;
87        }
88    }
89
90    public void uninstallDefaults(AbstractButton b) {
91        super.uninstallDefaults(b);
92        defaults_initialized = false;
93    }
94
95}
96