1 /*
   2  * Copyright (c) 2011, 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 
  27 package sun.lwawt;
  28 
  29 import java.awt.Button;
  30 import java.awt.event.ActionEvent;
  31 import java.awt.event.ActionListener;
  32 import java.awt.peer.ButtonPeer;
  33 
  34 import javax.swing.JButton;
  35 
  36 final class LWButtonPeer extends LWComponentPeer<Button, JButton>
  37         implements ButtonPeer, ActionListener {
  38 
  39     LWButtonPeer(final Button target,
  40                  final PlatformComponent platformComponent) {
  41         super(target, platformComponent);
  42     }
  43 
  44     @Override
  45     protected JButton createDelegate() {
  46         return new JButtonDelegate();
  47     }
  48 
  49     @Override
  50     void initializeImpl() {
  51         super.initializeImpl();
  52         setLabel(getTarget().getLabel());
  53         synchronized (getDelegateLock()) {
  54             getDelegate().addActionListener(this);
  55         }
  56     }
  57 
  58     @Override
  59     public void actionPerformed(final ActionEvent e) {
  60         postEvent(new ActionEvent(getTarget(), ActionEvent.ACTION_PERFORMED,
  61                                   getTarget().getActionCommand(), e.getWhen(),
  62                                   e.getModifiers()));
  63     }
  64 
  65     @Override
  66     public void setLabel(final String label) {
  67         synchronized (getDelegateLock()) {
  68             getDelegate().setText(label);
  69         }
  70     }
  71 
  72     @Override
  73     public boolean isFocusable() {
  74         return true;
  75     }
  76 
  77     private final class JButtonDelegate extends JButton {
  78 
  79         // Empty non private constructor was added because access to this
  80         // class shouldn't be emulated by a synthetic accessor method.
  81         JButtonDelegate() {
  82             super();
  83         }
  84 
  85         @Override
  86         public boolean hasFocus() {
  87             return getTarget().hasFocus();
  88         }
  89     }
  90 }