1 /* 2 * Copyright (c) 1997, 2020, 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 26 package com.sun.java.swing.plaf.motif; 27 28 import javax.swing.AbstractButton; 29 import javax.swing.JComponent; 30 import javax.swing.UIManager; 31 import javax.swing.plaf.ComponentUI; 32 33 import sun.awt.AppContext; 34 35 /** 36 * MotifCheckBox implementation 37 * 38 * @author Rich Schiavi 39 */ 40 public class MotifCheckBoxUI extends MotifRadioButtonUI { 41 42 private static final Object MOTIF_CHECK_BOX_UI_KEY = new Object(); 43 44 private static final String propertyPrefix = "CheckBox" + "."; 45 46 private boolean defaults_initialized = false; 47 48 49 // ******************************** 50 // Create PLAF 51 // ******************************** createUI(JComponent c)52 public static ComponentUI createUI(JComponent c) { 53 AppContext appContext = AppContext.getAppContext(); 54 MotifCheckBoxUI motifCheckBoxUI = 55 (MotifCheckBoxUI) appContext.get(MOTIF_CHECK_BOX_UI_KEY); 56 if (motifCheckBoxUI == null) { 57 motifCheckBoxUI = new MotifCheckBoxUI(); 58 appContext.put(MOTIF_CHECK_BOX_UI_KEY, motifCheckBoxUI); 59 } 60 return motifCheckBoxUI; 61 } 62 getPropertyPrefix()63 public String getPropertyPrefix() { 64 return propertyPrefix; 65 } 66 67 // ******************************** 68 // Defaults 69 // ******************************** installDefaults(AbstractButton b)70 public void installDefaults(AbstractButton b) { 71 super.installDefaults(b); 72 if(!defaults_initialized) { 73 icon = UIManager.getIcon(getPropertyPrefix() + "icon"); 74 defaults_initialized = true; 75 } 76 } 77 uninstallDefaults(AbstractButton b)78 protected void uninstallDefaults(AbstractButton b) { 79 super.uninstallDefaults(b); 80 defaults_initialized = false; 81 } 82 } 83