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.motif; 27 28import sun.awt.AppContext; 29 30import javax.swing.*; 31 32import javax.swing.plaf.*; 33 34import java.awt.*; 35 36/** 37 * MotifCheckBox implementation 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 Rich Schiavi 47 */ 48public class MotifCheckBoxUI extends MotifRadioButtonUI { 49 50 private static final Object MOTIF_CHECK_BOX_UI_KEY = new Object(); 51 52 private static final String propertyPrefix = "CheckBox" + "."; 53 54 private boolean defaults_initialized = false; 55 56 57 // ******************************** 58 // Create PLAF 59 // ******************************** 60 public static ComponentUI createUI(JComponent c) { 61 AppContext appContext = AppContext.getAppContext(); 62 MotifCheckBoxUI motifCheckBoxUI = 63 (MotifCheckBoxUI) appContext.get(MOTIF_CHECK_BOX_UI_KEY); 64 if (motifCheckBoxUI == null) { 65 motifCheckBoxUI = new MotifCheckBoxUI(); 66 appContext.put(MOTIF_CHECK_BOX_UI_KEY, motifCheckBoxUI); 67 } 68 return motifCheckBoxUI; 69 } 70 71 public String getPropertyPrefix() { 72 return propertyPrefix; 73 } 74 75 // ******************************** 76 // Defaults 77 // ******************************** 78 public void installDefaults(AbstractButton b) { 79 super.installDefaults(b); 80 if(!defaults_initialized) { 81 icon = UIManager.getIcon(getPropertyPrefix() + "icon"); 82 defaults_initialized = true; 83 } 84 } 85 86 protected void uninstallDefaults(AbstractButton b) { 87 super.uninstallDefaults(b); 88 defaults_initialized = false; 89 } 90} 91