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.*; 29 30 import javax.accessibility.*; 31 import javax.swing.*; 32 33 class ScreenMenuPropertyListener implements PropertyChangeListener { 34 ScreenMenuPropertyHandler fMenu; 35 36 ScreenMenuPropertyListener(final ScreenMenuPropertyHandler mc) { 37 fMenu = mc; 38 } 39 40 /** 41 * This method gets called when a bound property is changed. 42 * @param e A PropertyChangeEvent object describing the event source 43 * and the property that has changed. 44 */ 45 public void propertyChange(final PropertyChangeEvent e) { 46 final String propertyName = e.getPropertyName(); 47 48 if ("enabled".equals(propertyName)) { 49 fMenu.setEnabled(((Boolean)e.getNewValue()).booleanValue()); 50 return; 51 } 52 53 if (AccessibleContext.ACCESSIBLE_STATE_PROPERTY.equals(propertyName)) { 54 // rdar://Problem/3553843 55 // When an ACCESSIBLE_STATE_PROPERTY changes, it's always newValue == null and oldValue == state turned off 56 // or newValue == state turned on and oldValue == null. We only care about changes in the ENABLED 57 // state, so only change the menu's enabled state when the value is AccessibleState.ENABLED 58 if (e.getNewValue() == AccessibleState.ENABLED || e.getOldValue() == AccessibleState.ENABLED) { 59 final Object newValue = e.getNewValue(); 60 fMenu.setEnabled(newValue == AccessibleState.ENABLED); 61 } 62 return; 63 } 64 65 if ("accelerator".equals(propertyName)) { 66 fMenu.setAccelerator((KeyStroke)e.getNewValue()); 67 return; 68 } 69 70 if (AbstractButton.TEXT_CHANGED_PROPERTY.equals(propertyName)) { 71 fMenu.setLabel((String)e.getNewValue()); 72 return; 73 } 74 75 if (AbstractButton.ICON_CHANGED_PROPERTY.equals(propertyName)) { 76 fMenu.setIcon((Icon)e.getNewValue()); 77 return; 78 } 79 80 if (JComponent.TOOL_TIP_TEXT_KEY.equals(propertyName)) { 81 fMenu.setToolTipText((String)e.getNewValue()); 82 return; 83 } 84 85 if (AquaMenuItemUI.IndeterminateListener.CLIENT_PROPERTY_KEY.equals(propertyName)) { 86 fMenu.setIndeterminate(AquaMenuItemUI.IndeterminateListener.isIndeterminate((JMenuItem)e.getSource())); 87 return; 88 } 89 } 90 }