1 /*
   2  * Copyright (c) 2011, 2015, 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.awt.*;
  29 import java.awt.event.*;
  30 
  31 import javax.swing.*;
  32 import javax.swing.plaf.ComponentUI;
  33 
  34 import sun.awt.AWTAccessor;
  35 import sun.lwawt.macosx.CMenuItem;
  36 
  37 @SuppressWarnings("serial") // JDK implementation class
  38 final class ScreenMenuItem extends MenuItem
  39         implements ActionListener, ComponentListener,
  40                    ScreenMenuPropertyHandler {
  41 
  42     ScreenMenuPropertyListener fListener;
  43     JMenuItem fMenuItem;
  44 
  45     ScreenMenuItem(final JMenuItem mi) {
  46         super(mi.getText());
  47         fMenuItem = mi;
  48         setEnabled(fMenuItem.isEnabled());
  49         final ComponentUI ui = fMenuItem.getUI();
  50 
  51         if (ui instanceof ScreenMenuItemUI) {
  52             ((ScreenMenuItemUI)ui).updateListenersForScreenMenuItem();
  53             // SAK:  Not calling this means that mouse and mouse motion listeners don't get
  54             // installed.  Not a problem because the menu manager handles tracking for us.
  55     }
  56     }
  57 
  58     public void addNotify() {
  59         super.addNotify();
  60 
  61         fMenuItem.addComponentListener(this);
  62         fListener = new ScreenMenuPropertyListener(this);
  63         fMenuItem.addPropertyChangeListener(fListener);
  64         addActionListener(this);
  65 
  66         setEnabled(fMenuItem.isEnabled());
  67 
  68         // can't setState or setAccelerator or setIcon till we have a peer
  69         setAccelerator(fMenuItem.getAccelerator());
  70 
  71         final String label = fMenuItem.getText();
  72         if (label != null) {
  73             setLabel(label);
  74         }
  75 
  76         final Icon icon = fMenuItem.getIcon();
  77         if (icon != null) {
  78             this.setIcon(icon);
  79         }
  80 
  81         final String tooltipText = fMenuItem.getToolTipText();
  82         if (tooltipText != null) {
  83             this.setToolTipText(tooltipText);
  84         }
  85 
  86         if (fMenuItem instanceof JRadioButtonMenuItem) {
  87             final ComponentUI ui = fMenuItem.getUI();
  88 
  89             if (ui instanceof ScreenMenuItemUI) {
  90                 ((ScreenMenuItemUI)ui).updateListenersForScreenMenuItem();
  91             }
  92         }
  93     }
  94 
  95     public void removeNotify() {
  96         super.removeNotify();
  97         removeActionListener(this);
  98         fMenuItem.removePropertyChangeListener(fListener);
  99         fListener = null;
 100         fMenuItem.removeComponentListener(this);
 101     }
 102 
 103     static void syncLabelAndKS(MenuItem menuItem, String label, KeyStroke ks) {
 104         Object peer = AWTAccessor.getMenuComponentAccessor().getPeer(menuItem);
 105         if (!(peer instanceof CMenuItem)) {
 106             //Is it possible?
 107             return;
 108         }
 109         final CMenuItem cmi = (CMenuItem) peer;
 110         if (ks == null) {
 111             cmi.setLabel(label);
 112         } else {
 113             cmi.setLabel(label, ks.getKeyChar(), ks.getKeyCode(),
 114                          ks.getModifiers());
 115         }
 116     }
 117 
 118     @Override
 119     public synchronized void setLabel(final String label) {
 120         syncLabelAndKS(this, label, fMenuItem.getAccelerator());
 121     }
 122 
 123     @Override
 124     public void setAccelerator(final KeyStroke ks) {
 125         syncLabelAndKS(this, fMenuItem.getText(), ks);
 126     }
 127 
 128     public void actionPerformed(final ActionEvent e) {
 129         fMenuItem.doClick(0); // This takes care of all the different events
 130     }
 131 
 132     /**
 133      * Invoked when the component's size changes.
 134      */
 135     public void componentResized(final ComponentEvent e) {}
 136 
 137     /**
 138      * Invoked when the component's position changes.
 139      */
 140     public void componentMoved(final ComponentEvent e) {}
 141 
 142     /**
 143      * Invoked when the component has been made visible.
 144      * See componentHidden - we should still have a MenuItem
 145      * it just isn't inserted
 146      */
 147     public void componentShown(final ComponentEvent e) {
 148         setVisible(true);
 149     }
 150 
 151     /**
 152      * Invoked when the component has been made invisible.
 153      * MenuComponent.setVisible does nothing,
 154      * so we remove the ScreenMenuItem from the ScreenMenu
 155      * but leave it in fItems
 156      */
 157     public void componentHidden(final ComponentEvent e) {
 158         setVisible(false);
 159     }
 160 
 161     public void setVisible(final boolean b) {
 162         // Tell our parent to add/remove us -- parent may be nil if we aren't set up yet.
 163         // Hang on to our parent
 164         final MenuContainer parent = getParent();
 165 
 166         if (parent != null) {
 167             ((ScreenMenuPropertyHandler)parent).setChildVisible(fMenuItem, b);
 168         }
 169     }
 170 
 171     public void setToolTipText(final String text) {
 172         Object peer = AWTAccessor.getMenuComponentAccessor().getPeer(this);
 173         if (!(peer instanceof CMenuItem)) return;
 174 
 175         final CMenuItem cmi = (CMenuItem)peer;
 176         cmi.setToolTipText(text);
 177     }
 178 
 179     public void setIcon(final Icon i) {
 180         Object peer = AWTAccessor.getMenuComponentAccessor().getPeer(this);
 181         if (!(peer instanceof CMenuItem)) return;
 182 
 183         final CMenuItem cmi = (CMenuItem)peer;
 184             Image img = null;
 185 
 186         if (i != null) {
 187             if (i.getIconWidth() > 0 && i.getIconHeight() > 0) {
 188                     img = AquaIcon.getImageForIcon(i);
 189                 }
 190         }
 191             cmi.setImage(img);
 192         }
 193 
 194     // we have no children
 195     public void setChildVisible(final JMenuItem child, final boolean b) {}
 196 
 197     // only check and radio items can be indeterminate
 198     public void setIndeterminate(boolean indeterminate) { }
 199 }