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.ButtonUI;
  33 
  34 import com.apple.laf.AquaMenuItemUI.IndeterminateListener;
  35 
  36 import sun.awt.AWTAccessor;
  37 import sun.lwawt.macosx.*;
  38 
  39 @SuppressWarnings("serial") // JDK implementation class
  40 final class ScreenMenuItemCheckbox extends CheckboxMenuItem
  41         implements ActionListener, ComponentListener, ScreenMenuPropertyHandler,
  42                    ItemListener {
  43 
  44     JMenuItem fMenuItem;
  45     MenuContainer fParent;
  46 
  47     ScreenMenuItemCheckbox(final JCheckBoxMenuItem mi) {
  48         super(mi.getText(), mi.getState());
  49         init(mi);
  50     }
  51 
  52     ScreenMenuItemCheckbox(final JRadioButtonMenuItem mi) {
  53         super(mi.getText(), mi.getModel().isSelected());
  54         init(mi);
  55     }
  56 
  57     public void init(final JMenuItem mi) {
  58         fMenuItem = mi;
  59         setEnabled(fMenuItem.isEnabled());
  60     }
  61 
  62     ScreenMenuPropertyListener fPropertyListener;
  63 
  64     public void addNotify() {
  65         super.addNotify();
  66 
  67         // Avoid the Auto toggle behavior of AWT CheckBoxMenuItem
  68         CCheckboxMenuItem ccb = AWTAccessor.getMenuComponentAccessor().getPeer(this);
  69         ccb.setAutoToggle(false);
  70 
  71         fMenuItem.addComponentListener(this);
  72         fPropertyListener = new ScreenMenuPropertyListener(this);
  73         fMenuItem.addPropertyChangeListener(fPropertyListener);
  74         addActionListener(this);
  75         addItemListener(this);
  76         fMenuItem.addItemListener(this);
  77         setIndeterminate(IndeterminateListener.isIndeterminate(fMenuItem));
  78 
  79         // can't setState or setAccelerator or setIcon till we have a peer
  80         setAccelerator(fMenuItem.getAccelerator());
  81 
  82         final Icon icon = fMenuItem.getIcon();
  83         if (icon != null) {
  84             this.setIcon(icon);
  85         }
  86 
  87         final String tooltipText = fMenuItem.getToolTipText();
  88         if (tooltipText != null) {
  89             this.setToolTipText(tooltipText);
  90         }
  91 
  92         // sja fix is this needed?
  93         fMenuItem.addItemListener(this);
  94 
  95         final ButtonUI ui = fMenuItem.getUI();
  96         if (ui instanceof ScreenMenuItemUI) {
  97             ((ScreenMenuItemUI)ui).updateListenersForScreenMenuItem();
  98         }
  99 
 100         if (fMenuItem instanceof JCheckBoxMenuItem) {
 101             forceSetState(fMenuItem.isSelected());
 102         } else {
 103             forceSetState(fMenuItem.getModel().isSelected());
 104         }
 105     }
 106 
 107     public void removeNotify() {
 108         fMenuItem.removeComponentListener(this);
 109         fMenuItem.removePropertyChangeListener(fPropertyListener);
 110         fPropertyListener = null;
 111         removeActionListener(this);
 112         removeItemListener(this);
 113         fMenuItem.removeItemListener(this);
 114 
 115         super.removeNotify();
 116     }
 117 
 118     @Override
 119     public synchronized void setLabel(final String label) {
 120         ScreenMenuItem.syncLabelAndKS(this, label, fMenuItem.getAccelerator());
 121     }
 122 
 123     @Override
 124     public void setAccelerator(final KeyStroke ks) {
 125         ScreenMenuItem.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 setToolTipText(final String text) {
 162         Object peer = AWTAccessor.getMenuComponentAccessor().getPeer(this);
 163         if (!(peer instanceof CMenuItem)) return;
 164 
 165         ((CMenuItem)peer).setToolTipText(text);
 166     }
 167 
 168     public void setIcon(final Icon i) {
 169         Object peer = AWTAccessor.getMenuComponentAccessor().getPeer(this);
 170         if (!(peer instanceof CMenuItem)) return;
 171 
 172         final CMenuItem cmi = (CMenuItem)peer;
 173         Image img = null;
 174 
 175         if (i != null) {
 176             if (i.getIconWidth() > 0 && i.getIconHeight() > 0) {
 177                 img = AquaIcon.getImageForIcon(i);
 178             }
 179         }
 180         cmi.setImage(img);
 181     }
 182 
 183     public void setVisible(final boolean b) {
 184         // Tell our parent to add/remove us
 185         // Hang on to our parent
 186         if (fParent == null) fParent = getParent();
 187         ((ScreenMenuPropertyHandler)fParent).setChildVisible(fMenuItem, b);
 188     }
 189 
 190     // we have no children
 191     public void setChildVisible(final JMenuItem child, final boolean b) {}
 192 
 193     /**
 194      * Invoked when an item's state has been changed.
 195      */
 196     public void itemStateChanged(final ItemEvent e) {
 197         if (e.getSource() == this) {
 198             fMenuItem.doClick(0);
 199             return;
 200         }
 201 
 202             switch (e.getStateChange()) {
 203                 case ItemEvent.SELECTED:
 204                     forceSetState(true);
 205                     break;
 206                 case ItemEvent.DESELECTED:
 207                     forceSetState(false);
 208                     break;
 209             }
 210         }
 211 
 212     public void setIndeterminate(final boolean indeterminate) {
 213         Object peer = AWTAccessor.getMenuComponentAccessor().getPeer(this);
 214         if (peer instanceof CCheckboxMenuItem) {
 215             ((CCheckboxMenuItem)peer).setIsIndeterminate(indeterminate);
 216         }
 217     }
 218 
 219     /*
 220      * The CCheckboxMenuItem peer is calling setState unconditionally every time user clicks the menu
 221      * However for Swing controls in the screen menu bar it is wrong - the state should be changed only
 222      * in response to the ITEM_STATE_CHANGED event. So the setState is overridden to no-op and all the
 223      * correct state changes are made with forceSetState
 224      */
 225 
 226     @Override
 227     public synchronized void setState(boolean b) {
 228         // No Op
 229     }
 230 
 231     private void forceSetState(boolean b) {
 232         super.setState(b);
 233     }
 234 }