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