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Diffstat (limited to 'libjava/java/awt/MenuBar.java')
-rw-r--r-- | libjava/java/awt/MenuBar.java | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/libjava/java/awt/MenuBar.java b/libjava/java/awt/MenuBar.java deleted file mode 100644 index 4089fe1..0000000 --- a/libjava/java/awt/MenuBar.java +++ /dev/null @@ -1,423 +0,0 @@ -/* MenuBar.java -- An AWT menu bar class - Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.awt; - -import java.awt.peer.MenuBarPeer; -import java.awt.peer.MenuComponentPeer; - -import java.io.Serializable; -import java.util.Enumeration; -import java.util.Vector; - -import javax.accessibility.Accessible; -import javax.accessibility.AccessibleContext; -import javax.accessibility.AccessibleRole; - -/** - * This class implements a menu bar in the AWT system. - * - * @author Aaron M. Renn (arenn@urbanophile.com) - * @author Tom Tromey (tromey@redhat.com) - * @author Andrew John Hughes (gnu_andrew@member.fsf.org) - */ -public class MenuBar extends MenuComponent - implements MenuContainer, Serializable, Accessible -{ - -/* - * Static Variables - */ - -// Serialization Constant -private static final long serialVersionUID = -4930327919388951260L; - -/*************************************************************************/ - -/* - * Instance Variables - */ - -/** - * @serial The menu used for providing help information - */ -private Menu helpMenu; - -/** - * @serial The menus contained in this menu bar. - */ -private Vector menus = new Vector(); - - /** - * The accessible context for this component. - * - * @see #getAccessibleContext() - * @serial ignored. - */ - private transient AccessibleContext accessibleContext; - -/*************************************************************************/ - -/* - * Constructors - */ - -/** - * Initializes a new instance of <code>MenuBar</code>. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() is true. - */ -public -MenuBar() -{ - if (GraphicsEnvironment.isHeadless()) - throw new HeadlessException (); -} - -/*************************************************************************/ - -/* - * Instance Methods - */ - -/** - * Returns the help menu for this menu bar. This may be <code>null</code>. - * - * @return The help menu for this menu bar. - */ -public Menu -getHelpMenu() -{ - return(helpMenu); -} - -/*************************************************************************/ - -/** - * Sets the help menu for this menu bar. - * - * @param menu The new help menu for this menu bar. - */ -public synchronized void -setHelpMenu(Menu menu) -{ - if (helpMenu != null) - { - helpMenu.removeNotify (); - helpMenu.parent = null; - } - helpMenu = menu; - - if (menu.parent != null) - menu.parent.remove (menu); - menu.parent = this; - - MenuBarPeer peer = (MenuBarPeer) getPeer (); - if (peer != null) - { - menu.addNotify(); - peer.addHelpMenu (menu); - } -} - -/*************************************************************************/ - -/** Add a menu to this MenuBar. If the menu has already has a - * parent, it is first removed from its old parent before being - * added. - * - * @param menu The menu to add. - * - * @return The menu that was added. - */ -public synchronized Menu -add(Menu menu) -{ - if (menu.parent != null) - menu.parent.remove (menu); - - menu.parent = this; - menus.addElement(menu); - - if (peer != null) - { - menu.addNotify(); - } - - return(menu); -} - -/*************************************************************************/ - -/** - * Removes the menu at the specified index. - * - * @param index The index of the menu to remove from the menu bar. - */ -public synchronized void -remove(int index) -{ - Menu m = (Menu) menus.get (index); - menus.remove (index); - m.removeNotify (); - m.parent = null; - - if (peer != null) - { - MenuBarPeer mp = (MenuBarPeer) peer; - mp.delMenu (index); - } -} - -/*************************************************************************/ - -/** - * Removes the specified menu from the menu bar. - * - * @param menu The menu to remove from the menu bar. - */ -public void -remove(MenuComponent menu) -{ - int index = menus.indexOf(menu); - if (index == -1) - return; - - remove(index); -} - -/*************************************************************************/ - -/** - * Returns the number of elements in this menu bar. - * - * @return The number of elements in the menu bar. - */ -public int -getMenuCount() -{ - return countMenus (); -} - -/*************************************************************************/ - -/** - * Returns the number of elements in this menu bar. - * - * @return The number of elements in the menu bar. - * - * @deprecated This method is deprecated in favor of <code>getMenuCount()</code>. - */ -public int -countMenus() -{ - return menus.size () + (getHelpMenu () == null ? 0 : 1); -} - -/*************************************************************************/ - -/** - * Returns the menu at the specified index. - * - * @param index the index of the menu - * - * @return The requested menu. - * - * @exception ArrayIndexOutOfBoundsException If the index is not valid. - */ -public Menu -getMenu(int index) -{ - return((Menu)menus.elementAt(index)); -} - -/*************************************************************************/ - -/** - * Creates this object's native peer. - */ -public void -addNotify() -{ - if (getPeer() == null) - setPeer((MenuComponentPeer)getToolkit().createMenuBar(this)); - Enumeration e = menus.elements(); - while (e.hasMoreElements()) - { - Menu mi = (Menu)e.nextElement(); - mi.addNotify(); - } - if (helpMenu != null) - { - helpMenu.addNotify(); - ((MenuBarPeer) peer).addHelpMenu(helpMenu); - } -} - -/*************************************************************************/ - -/** - * Destroys this object's native peer. - */ -public void -removeNotify() -{ - Enumeration e = menus.elements(); - while (e.hasMoreElements()) - { - Menu mi = (Menu) e.nextElement(); - mi.removeNotify(); - } - super.removeNotify(); -} - -/*************************************************************************/ - -/** - * Returns a list of all shortcuts for the menus in this menu bar. - * - * @return A list of all shortcuts for the menus in this menu bar. - */ -public synchronized Enumeration -shortcuts() -{ - Vector shortcuts = new Vector(); - Enumeration e = menus.elements(); - - while (e.hasMoreElements()) - { - Menu menu = (Menu)e.nextElement(); - if (menu.getShortcut() != null) - shortcuts.addElement(menu.getShortcut()); - } - - return(shortcuts.elements()); -} - -/*************************************************************************/ - -/** - * Returns the menu item for the specified shortcut, or <code>null</code> - * if no such item exists. - * - * @param shortcut The shortcut to return the menu item for. - * - * @return The menu item for the specified shortcut. - */ -public MenuItem -getShortcutMenuItem(MenuShortcut shortcut) -{ - Enumeration e = menus.elements(); - - while (e.hasMoreElements()) - { - Menu menu = (Menu)e.nextElement(); - MenuShortcut s = menu.getShortcut(); - if ((s != null) && (s.equals(shortcut))) - return(menu); - } - - return(null); -} - -/*************************************************************************/ - -/** - * Deletes the specified menu shortcut. - * - * @param shortcut The shortcut to delete. - */ -public void -deleteShortcut(MenuShortcut shortcut) -{ - MenuItem it; - // This is a slow implementation, but it probably doesn't matter. - while ((it = getShortcutMenuItem (shortcut)) != null) - it.deleteShortcut (); -} - -/** - * Gets the AccessibleContext associated with this <code>MenuBar</code>. - * The context is created, if necessary. - * - * @return the associated context - */ -public AccessibleContext getAccessibleContext() -{ - /* Create the context if this is the first request */ - if (accessibleContext == null) - accessibleContext = new AccessibleAWTMenuBar(); - return accessibleContext; -} - -/** - * This class provides accessibility support for AWT menu bars. - * - * @author Andrew John Hughes (gnu_andrew@member.fsf.org) - */ -protected class AccessibleAWTMenuBar - extends AccessibleAWTMenuComponent -{ - - /** - * Compatible with JDK 1.4.2 revision 5 - */ - private static final long serialVersionUID = -8577604491830083815L; - - /** - * This is the default constructor, which simply calls the default - * constructor of the superclass. - */ - protected AccessibleAWTMenuBar() - { - super(); - } - - /** - * Returns the accessible role relating to the menu bar. - * - * @return <code>AccessibleRole.MENU_BAR</code>. - */ - public AccessibleRole getAccessibleRole() - { - return AccessibleRole.MENU_BAR; - } - -} // class AccessibleAWTMenuBar - -} // class MenuBar |