| /* |
| * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.plaf.basic; |
| |
| import sun.awt.AppContext; |
| |
| import javax.swing.*; |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import javax.swing.plaf.*; |
| import java.io.Serializable; |
| |
| |
| /** |
| * CheckboxUI implementation for BasicCheckboxUI |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is |
| * appropriate for short term storage or RMI between applications running |
| * the same version of Swing. As of 1.4, support for long term storage |
| * of all JavaBeans™ |
| * has been added to the <code>java.beans</code> package. |
| * Please see {@link java.beans.XMLEncoder}. |
| * |
| * @author Jeff Dinkins |
| */ |
| @SuppressWarnings("serial") // Same-version serialization only |
| public class BasicCheckBoxUI extends BasicRadioButtonUI { |
| |
| private static final Object BASIC_CHECK_BOX_UI_KEY = new Object(); |
| |
| private static final String propertyPrefix = "CheckBox" + "."; |
| |
| // ******************************** |
| // Create PLAF |
| // ******************************** |
| |
| /** |
| * Returns an instance of {@code BasicCheckBoxUI}. |
| * |
| * @param b a component |
| * @return an instance of {@code BasicCheckBoxUI} |
| */ |
| public static ComponentUI createUI(JComponent b) { |
| AppContext appContext = AppContext.getAppContext(); |
| BasicCheckBoxUI checkboxUI = |
| (BasicCheckBoxUI) appContext.get(BASIC_CHECK_BOX_UI_KEY); |
| if (checkboxUI == null) { |
| checkboxUI = new BasicCheckBoxUI(); |
| appContext.put(BASIC_CHECK_BOX_UI_KEY, checkboxUI); |
| } |
| return checkboxUI; |
| } |
| |
| public String getPropertyPrefix() { |
| return propertyPrefix; |
| } |
| |
| } |