/*
* Copyright (c) 1998, 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.metal;
import sun.awt.AppContext;
import javax.swing.*;
import javax.swing.plaf.basic.BasicCheckBoxUI;
import java.awt.*;
import java.awt.event.*;
import javax.swing.plaf.*;
import java.io.Serializable;
/**
* CheckboxUI implementation for MetalCheckboxUI
* <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 Michael C. Albers
*
*/
@SuppressWarnings("serial") // Same-version serialization only
public class MetalCheckBoxUI extends MetalRadioButtonUI {
// NOTE: MetalCheckBoxUI inherts from MetalRadioButtonUI instead
// of BasicCheckBoxUI because we want to pick up all the
// painting changes made in MetalRadioButtonUI.
private static final Object METAL_CHECK_BOX_UI_KEY = new Object();
private static final String propertyPrefix = "CheckBox" + ".";
private boolean defaults_initialized = false;
// ********************************
// Create PlAF
// ********************************
/**
* Returns an instance of {@code MetalCheckBoxUI}.
*
* @param b a component
* @return a new instance of {@code MetalCheckBoxUI}
*/
public static ComponentUI createUI(JComponent b) {
AppContext appContext = AppContext.getAppContext();
MetalCheckBoxUI checkboxUI =
(MetalCheckBoxUI) appContext.get(METAL_CHECK_BOX_UI_KEY);
if (checkboxUI == null) {
checkboxUI = new MetalCheckBoxUI();
appContext.put(METAL_CHECK_BOX_UI_KEY, checkboxUI);
}
return checkboxUI;
}
public String getPropertyPrefix() {
return propertyPrefix;
}
// ********************************
// Defaults
// ********************************
/**代码未完, 请加载全部代码(NowJava.com).**/