src/share/classes/javax/swing/SwingUtilities.java

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   1 /*
   2  * Copyright (c) 1997, 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


1738      *
1739      * @since 1.3
1740      */
1741     public static ActionMap getUIActionMap(JComponent component) {
1742         ActionMap map = component.getActionMap(false);
1743         while (map != null) {
1744             ActionMap parent = map.getParent();
1745             if (parent instanceof UIResource) {
1746                 return parent;
1747             }
1748             map = parent;
1749         }
1750         return null;
1751     }
1752 
1753 
1754     // Don't use String, as it's not guaranteed to be unique in a Hashtable.
1755     private static final Object sharedOwnerFrameKey =
1756        new StringBuffer("SwingUtilities.sharedOwnerFrame");
1757 

1758     static class SharedOwnerFrame extends Frame implements WindowListener {
1759         public void addNotify() {
1760             super.addNotify();
1761             installListeners();
1762         }
1763 
1764         /**
1765          * Install window listeners on owned windows to watch for displayability changes
1766          */
1767         void installListeners() {
1768             Window[] windows = getOwnedWindows();
1769             for (Window window : windows) {
1770                 if (window != null) {
1771                     window.removeWindowListener(this);
1772                     window.addWindowListener(this);
1773                 }
1774             }
1775         }
1776 
1777         /**


   1 /*
   2  * Copyright (c) 1997, 2014, 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


1738      *
1739      * @since 1.3
1740      */
1741     public static ActionMap getUIActionMap(JComponent component) {
1742         ActionMap map = component.getActionMap(false);
1743         while (map != null) {
1744             ActionMap parent = map.getParent();
1745             if (parent instanceof UIResource) {
1746                 return parent;
1747             }
1748             map = parent;
1749         }
1750         return null;
1751     }
1752 
1753 
1754     // Don't use String, as it's not guaranteed to be unique in a Hashtable.
1755     private static final Object sharedOwnerFrameKey =
1756        new StringBuffer("SwingUtilities.sharedOwnerFrame");
1757 
1758     @SuppressWarnings("serial") // JDK-implementation class    
1759     static class SharedOwnerFrame extends Frame implements WindowListener {
1760         public void addNotify() {
1761             super.addNotify();
1762             installListeners();
1763         }
1764 
1765         /**
1766          * Install window listeners on owned windows to watch for displayability changes
1767          */
1768         void installListeners() {
1769             Window[] windows = getOwnedWindows();
1770             for (Window window : windows) {
1771                 if (window != null) {
1772                     window.removeWindowListener(this);
1773                     window.addWindowListener(this);
1774                 }
1775             }
1776         }
1777 
1778         /**