1 /*
   2  * Copyright (c) 2011, 2017, 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.apple.laf;
  27 
  28 import java.beans.PropertyChangeEvent;
  29 import java.beans.PropertyChangeListener;
  30 import java.io.Serializable;
  31 
  32 import javax.accessibility.AccessibleContext;
  33 import javax.accessibility.AccessibleState;
  34 import javax.swing.AbstractButton;
  35 import javax.swing.Icon;
  36 import javax.swing.JComponent;
  37 import javax.swing.JMenuItem;
  38 import javax.swing.KeyStroke;
  39 
  40 class ScreenMenuPropertyListener implements PropertyChangeListener, Serializable {
  41     private static final long serialVersionUID = -3236277050952156113L;
  42 

  43     ScreenMenuPropertyHandler fMenu;
  44 
  45     ScreenMenuPropertyListener(final ScreenMenuPropertyHandler mc) {
  46         fMenu = mc;
  47     }
  48 
  49     /**
  50      * This method gets called when a bound property is changed.
  51      * @param e A PropertyChangeEvent object describing the event source
  52      *       and the property that has changed.
  53      */
  54     public void propertyChange(final PropertyChangeEvent e) {
  55         final String propertyName = e.getPropertyName();
  56 
  57         if ("enabled".equals(propertyName)) {
  58             fMenu.setEnabled(((Boolean)e.getNewValue()).booleanValue());
  59             return;
  60         }
  61 
  62         if (AccessibleContext.ACCESSIBLE_STATE_PROPERTY.equals(propertyName)) {
  63             // rdar://Problem/3553843
  64             // When an ACCESSIBLE_STATE_PROPERTY changes, it's always newValue == null and oldValue == state turned off
  65             // or newValue == state turned on and oldValue == null.  We only care about changes in the ENABLED
  66             // state, so only change the menu's enabled state when the value is AccessibleState.ENABLED
  67             if (e.getNewValue() == AccessibleState.ENABLED || e.getOldValue() == AccessibleState.ENABLED) {
  68                 final Object newValue = e.getNewValue();
  69                 fMenu.setEnabled(newValue == AccessibleState.ENABLED);
  70             }
  71             return;
  72     }
  73 
  74         if ("accelerator".equals(propertyName)) {
  75             fMenu.setAccelerator((KeyStroke)e.getNewValue());
  76             return;
  77         }
  78 
  79         if (AbstractButton.TEXT_CHANGED_PROPERTY.equals(propertyName)) {
  80             fMenu.setLabel((String)e.getNewValue());
  81             return;
  82         }
  83 
  84         if (AbstractButton.ICON_CHANGED_PROPERTY.equals(propertyName)) {
  85             fMenu.setIcon((Icon)e.getNewValue());
  86             return;
  87         }
  88 
  89         if (JComponent.TOOL_TIP_TEXT_KEY.equals(propertyName)) {
  90             fMenu.setToolTipText((String)e.getNewValue());
  91             return;
  92         }
  93 
  94         if (AquaMenuItemUI.IndeterminateListener.CLIENT_PROPERTY_KEY.equals(propertyName)) {
  95             fMenu.setIndeterminate(AquaMenuItemUI.IndeterminateListener.isIndeterminate((JMenuItem)e.getSource()));
  96             return;
  97         }
  98     }
  99 }
--- EOF ---