diff options
Diffstat (limited to 'libjava/java/awt/CheckboxMenuItem.java')
| -rw-r--r-- | libjava/java/awt/CheckboxMenuItem.java | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/libjava/java/awt/CheckboxMenuItem.java b/libjava/java/awt/CheckboxMenuItem.java deleted file mode 100644 index 5e446b84c8b..00000000000 --- a/libjava/java/awt/CheckboxMenuItem.java +++ /dev/null @@ -1,355 +0,0 @@ -/* CheckboxMenuItem.java -- A menu option with a checkbox on it. - 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.event.ItemEvent; -import java.awt.event.ItemListener; -import java.awt.peer.CheckboxMenuItemPeer; -import java.util.EventListener; - -import javax.accessibility.Accessible; -import javax.accessibility.AccessibleAction; -import javax.accessibility.AccessibleContext; -import javax.accessibility.AccessibleValue; - -/** - * This class implements a menu item that has a checkbox on it indicating - * the selected state of some option. - * - * @author Aaron M. Renn (arenn@urbanophile.com) - * @author Tom Tromey (tromey@redhat.com) - */ -public class CheckboxMenuItem extends MenuItem - implements ItemSelectable, Accessible -{ - -/* - * Static Variables - */ - -// Serialization constant -private static final long serialVersionUID = 6190621106981774043L; - -/* - * Instance Variables - */ - -/** - * @serial The state of the checkbox, with <code>true</code> being on and - * <code>false</code> being off. - */ -private boolean state; - -// List of registered ItemListeners -private transient ItemListener item_listeners; - -/*************************************************************************/ - -/* - * Constructors - */ - -/** - * Initializes a new instance of <code>CheckboxMenuItem</code> with no - * label and an initial state of off. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() - * returns true. - */ -public -CheckboxMenuItem() -{ - this("", false); -} - -/*************************************************************************/ - -/** - * Initializes a new instance of <code>CheckboxMenuItem</code> with the - * specified label and an initial state of off. - * - * @param label The label of the menu item. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() - * returns true. - */ -public -CheckboxMenuItem(String label) -{ - this(label, false); -} - -/*************************************************************************/ - -/** - * Initializes a new instance of <code>CheckboxMenuItem</code> with the - * specified label and initial state. - * - * @param label The label of the menu item. - * @param state The initial state of the menu item, where <code>true</code> - * is on, and <code>false</code> is off. - * - * @exception HeadlessException If GraphicsEnvironment.isHeadless() - * returns true. - */ -public -CheckboxMenuItem(String label, boolean state) -{ - super(label); - this.state = state; - - if (GraphicsEnvironment.isHeadless()) - throw new HeadlessException (); -} - -/*************************************************************************/ - -/* - * Instance Methods - */ - -/** - * Returns the state of this menu item. - * - * @return The state of this menu item. - */ -public boolean -getState() -{ - return(state); -} - -/*************************************************************************/ - -/** - * Sets the state of this menu item. - * - * @param state The initial state of the menu item, where <code>true</code> - * is on, and <code>false</code> is off. - */ -public synchronized void -setState(boolean state) -{ - this.state = state; - if (peer != null) - { - CheckboxMenuItemPeer cp = (CheckboxMenuItemPeer) peer; - cp.setState (state); - } -} - -/*************************************************************************/ - -/** - * Returns an array of length 1 with the menu item label for this object - * if the state is on. Otherwise <code>null</code> is returned. - * - * @return An array with this menu item's label if it has a state of on, - * or <code>null</code> otherwise. - */ -public Object[] -getSelectedObjects() -{ - if (state == false) - return(null); - - Object[] obj = new Object[1]; - obj[0] = getLabel(); - - return(obj); -} - -/*************************************************************************/ - -/** - * Create's this object's native peer - */ -public synchronized void -addNotify() -{ - if (peer == null) - peer = getToolkit().createCheckboxMenuItem(this); - - super.addNotify (); -} - -/*************************************************************************/ - -/** - * Adds the specified listener to the list of registered item listeners - * for this object. - * - * @param listener The listener to add. - */ -public synchronized void -addItemListener(ItemListener listener) -{ - item_listeners = AWTEventMulticaster.add(item_listeners, listener); - - enableEvents(AWTEvent.ITEM_EVENT_MASK); -} - -/*************************************************************************/ - -/** - * Removes the specified listener from the list of registered item - * listeners for this object. - * - * @param listener The listener to remove. - */ -public synchronized void -removeItemListener(ItemListener listener) -{ - item_listeners = AWTEventMulticaster.remove(item_listeners, listener); -} - -/*************************************************************************/ - -/** - * Processes the specified event by calling <code>processItemEvent()</code> - * if it is an instance of <code>ItemEvent</code> or calling the superclass - * method otherwise. - * - * @param event The event to process. - */ -protected void -processEvent(AWTEvent event) -{ - if (event instanceof ItemEvent) - processItemEvent((ItemEvent)event); - else - super.processEvent(event); -} - -/*************************************************************************/ - -/** - * Processes the specified event by dispatching it to any registered listeners. - * - * @param event The event to process. - */ -protected void -processItemEvent(ItemEvent event) -{ - if (item_listeners != null) - item_listeners.itemStateChanged(event); -} - -void -dispatchEventImpl(AWTEvent e) -{ - if (e instanceof ItemEvent) - { - synchronized (this) - { - state = (((ItemEvent) e).getStateChange() == ItemEvent.SELECTED); - } - } - - if (e.id <= ItemEvent.ITEM_LAST - && e.id >= ItemEvent.ITEM_FIRST - && (item_listeners != null - || (eventMask & AWTEvent.ITEM_EVENT_MASK) != 0)) - processEvent(e); - else - super.dispatchEventImpl(e); -} - -/*************************************************************************/ - -/** - * Returns a debugging string for this object. - * - * @return A debugging string for this object. - */ -public String -paramString() -{ - return ("label=" + getLabel() + ",state=" + state - + "," + super.paramString()); -} - - /** - * Returns an array of all the objects currently registered as FooListeners - * upon this <code>CheckboxMenuItem</code>. FooListeners are registered using - * the addFooListener method. - * - * @exception ClassCastException If listenerType doesn't specify a class or - * interface that implements java.util.EventListener. - */ - public EventListener[] getListeners (Class listenerType) - { - if (listenerType == ItemListener.class) - return AWTEventMulticaster.getListeners (item_listeners, listenerType); - - return super.getListeners (listenerType); - } - - /** - * Returns an aray of all item listeners currently registered to this - * <code>CheckBoxMenuItem</code>. - */ - public ItemListener[] getItemListeners () - { - return (ItemListener[]) getListeners (ItemListener.class); - } - - - protected class AccessibleAWTCheckboxMenuItem extends AccessibleAWTMenuItem - implements AccessibleAction, AccessibleValue - { - // I think the base class provides the necessary implementation - } - - /** - * Gets the AccessibleContext associated with this <code>CheckboxMenuItem</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 AccessibleAWTCheckboxMenuItem(); - return accessibleContext; - } - -} // class CheckboxMenuItem - |