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/*
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* Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package javax.swing;
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Insets;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.event.*;
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import java.util.Vector;
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import java.util.Enumeration;
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import java.io.Serializable;
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import java.io.ObjectOutputStream;
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import java.io.ObjectInputStream;
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import java.io.IOException;
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import javax.swing.event.*;
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import javax.swing.border.Border;
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import javax.swing.plaf.*;
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import javax.accessibility.*;
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/**
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* An implementation of a menu bar. You add <code>JMenu</code> objects to the
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* menu bar to construct a menu. When the user selects a <code>JMenu</code>
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* object, its associated <code>JPopupMenu</code> is displayed, allowing the
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* user to select one of the <code>JMenuItems</code> on it.
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* <p>
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* For information and examples of using menu bars see
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* <a
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href="http://java.sun.com/docs/books/tutorial/uiswing/components/menu.html">How to Use Menus</a>,
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* a section in <em>The Java Tutorial.</em>
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* <p>
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* <strong>Warning:</strong> Swing is not thread safe. For more
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* information see <a
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* href="package-summary.html#threading">Swing's Threading
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* Policy</a>.
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* <p>
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* <strong>Warning:</strong>
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* Serialized objects of this class will not be compatible with
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* future Swing releases. The current serialization support is
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* appropriate for short term storage or RMI between applications running
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* the same version of Swing. As of 1.4, support for long term storage
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* of all JavaBeans<sup><font size="-2">TM</font></sup>
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* has been added to the <code>java.beans</code> package.
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* Please see {@link java.beans.XMLEncoder}.
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*
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* @beaninfo
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* attribute: isContainer true
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* description: A container for holding and displaying menus.
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*
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* @author Georges Saab
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* @author David Karlton
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* @author Arnaud Weber
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* @see JMenu
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* @see JPopupMenu
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* @see JMenuItem
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*/
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public class JMenuBar extends JComponent implements Accessible,MenuElement
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{
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/**
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* @see #getUIClassID
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* @see #readObject
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*/
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private static final String uiClassID = "MenuBarUI";
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/*
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* Model for the selected subcontrol.
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*/
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private transient SingleSelectionModel selectionModel;
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private boolean paintBorder = true;
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private Insets margin = null;
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/* diagnostic aids -- should be false for production builds. */
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private static final boolean TRACE = false; // trace creates and disposes
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private static final boolean VERBOSE = false; // show reuse hits/misses
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private static final boolean DEBUG = false; // show bad params, misc.
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/**
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* Creates a new menu bar.
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*/
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public JMenuBar() {
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super();
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setFocusTraversalKeysEnabled(false);
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setSelectionModel(new DefaultSingleSelectionModel());
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updateUI();
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}
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/**
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* Returns the menubar's current UI.
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* @see #setUI
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*/
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public MenuBarUI getUI() {
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return (MenuBarUI)ui;
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}
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/**
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* Sets the L&F object that renders this component.
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*
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* @param ui the new MenuBarUI L&F object
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* @see UIDefaults#getUI
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* @beaninfo
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* bound: true
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* hidden: true
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* attribute: visualUpdate true
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* description: The UI object that implements the Component's LookAndFeel.
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*/
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public void setUI(MenuBarUI ui) {
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super.setUI(ui);
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}
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/**
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* Resets the UI property with a value from the current look and feel.
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*
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* @see JComponent#updateUI
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*/
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public void updateUI() {
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setUI((MenuBarUI)UIManager.getUI(this));
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}
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/**
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* Returns the name of the L&F class that renders this component.
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*
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* @return the string "MenuBarUI"
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* @see JComponent#getUIClassID
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* @see UIDefaults#getUI
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*/
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public String getUIClassID() {
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return uiClassID;
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}
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/**
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* Returns the model object that handles single selections.
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*
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* @return the <code>SingleSelectionModel</code> property
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* @see SingleSelectionModel
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*/
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public SingleSelectionModel getSelectionModel() {
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return selectionModel;
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}
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/**
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* Sets the model object to handle single selections.
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*
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* @param model the <code>SingleSelectionModel</code> to use
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* @see SingleSelectionModel
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* @beaninfo
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* bound: true
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* description: The selection model, recording which child is selected.
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*/
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public void setSelectionModel(SingleSelectionModel model) {
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SingleSelectionModel oldValue = selectionModel;
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this.selectionModel = model;
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firePropertyChange("selectionModel", oldValue, selectionModel);
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}
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/**
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* Appends the specified menu to the end of the menu bar.
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*
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* @param c the <code>JMenu</code> component to add
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* @return the menu component
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*/
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public JMenu add(JMenu c) {
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super.add(c);
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return c;
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}
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/**
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* Returns the menu at the specified position in the menu bar.
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*
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* @param index an integer giving the position in the menu bar, where
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* 0 is the first position
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* @return the <code>JMenu</code> at that position, or <code>null</code> if
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* if there is no <code>JMenu</code> at that position (ie. if
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* it is a <code>JMenuItem</code>)
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*/
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public JMenu getMenu(int index) {
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Component c = getComponentAtIndex(index);
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if (c instanceof JMenu)
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return (JMenu) c;
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return null;
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}
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/**
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* Returns the number of items in the menu bar.
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*
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* @return the number of items in the menu bar
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*/
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public int getMenuCount() {
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return getComponentCount();
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}
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/**
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* Sets the help menu that appears when the user selects the
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* "help" option in the menu bar. This method is not yet implemented
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* and will throw an exception.
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*
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* @param menu the JMenu that delivers help to the user
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*/
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public void setHelpMenu(JMenu menu) {
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throw new Error("setHelpMenu() not yet implemented.");
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}
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/**
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* Gets the help menu for the menu bar. This method is not yet
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* implemented and will throw an exception.
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*
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* @return the <code>JMenu</code> that delivers help to the user
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*/
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public JMenu getHelpMenu() {
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throw new Error("getHelpMenu() not yet implemented.");
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}
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/**
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* Returns the component at the specified index.
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*
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* @param i an integer specifying the position, where 0 is first
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* @return the <code>Component</code> at the position,
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* or <code>null</code> for an invalid index
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* @deprecated replaced by <code>getComponent(int i)</code>
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*/
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@Deprecated
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public Component getComponentAtIndex(int i) {
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if(i < 0 || i >= getComponentCount()) {
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return null;
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}
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return getComponent(i);
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}
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/**
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* Returns the index of the specified component.
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*
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* @param c the <code>Component</code> to find
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* @return an integer giving the component's position, where 0 is first;
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* or -1 if it can't be found
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*/
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public int getComponentIndex(Component c) {
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int ncomponents = this.getComponentCount();
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Component[] component = this.getComponents();
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for (int i = 0 ; i < ncomponents ; i++) {
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Component comp = component[i];
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if (comp == c)
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return i;
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}
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return -1;
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}
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/**
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* Sets the currently selected component, producing a
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* a change to the selection model.
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*
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* @param sel the <code>Component</code> to select
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*/
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public void setSelected(Component sel) {
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SingleSelectionModel model = getSelectionModel();
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int index = getComponentIndex(sel);
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model.setSelectedIndex(index);
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}
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/**
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* Returns true if the menu bar currently has a component selected.
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*
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* @return true if a selection has been made, else false
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*/
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public boolean isSelected() {
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return selectionModel.isSelected();
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}
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/**
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* Returns true if the menu bars border should be painted.
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*
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* @return true if the border should be painted, else false
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*/
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public boolean isBorderPainted() {
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return paintBorder;
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}
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/**
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* Sets whether the border should be painted.
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*
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* @param b if true and border property is not <code>null</code>,
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* the border is painted.
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* @see #isBorderPainted
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* @beaninfo
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* bound: true
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* attribute: visualUpdate true
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* description: Whether the border should be painted.
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*/
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public void setBorderPainted(boolean b) {
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boolean oldValue = paintBorder;
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paintBorder = b;
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firePropertyChange("borderPainted", oldValue, paintBorder);
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if (b != oldValue) {
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revalidate();
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repaint();
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}
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}
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/**
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* Paints the menubar's border if <code>BorderPainted</code>
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* property is true.
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*
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* @param g the <code>Graphics</code> context to use for painting
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* @see JComponent#paint
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* @see JComponent#setBorder
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*/
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protected void paintBorder(Graphics g) {
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if (isBorderPainted()) {
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super.paintBorder(g);
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}
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}
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/**
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* Sets the margin between the menubar's border and
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* its menus. Setting to <code>null</code> will cause the menubar to
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* use the default margins.
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*
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* @param m an Insets object containing the margin values
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* @see Insets
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* @beaninfo
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* bound: true
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* attribute: visualUpdate true
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* description: The space between the menubar's border and its contents
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*/
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public void setMargin(Insets m) {
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Insets old = margin;
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this.margin = m;
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firePropertyChange("margin", old, m);
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if (old == null || !old.equals(m)) {
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revalidate();
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repaint();
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}
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}
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/**
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* Returns the margin between the menubar's border and
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* its menus. If there is no previous margin, it will create
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* a default margin with zero size.
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*
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* @return an <code>Insets</code> object containing the margin values
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* @see Insets
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*/
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public Insets getMargin() {
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if(margin == null) {
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return new Insets(0,0,0,0);
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} else {
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return margin;
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}
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}
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/**
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* Implemented to be a <code>MenuElement</code> -- does nothing.
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*
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* @see #getSubElements
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*/
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public void processMouseEvent(MouseEvent event,MenuElement path[],MenuSelectionManager manager) {
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}
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/**
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* Implemented to be a <code>MenuElement</code> -- does nothing.
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*
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* @see #getSubElements
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*/
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public void processKeyEvent(KeyEvent e,MenuElement path[],MenuSelectionManager manager) {
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}
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/**
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* Implemented to be a <code>MenuElement</code> -- does nothing.
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*
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* @see #getSubElements
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*/
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public void menuSelectionChanged(boolean isIncluded) {
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}
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/**
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* Implemented to be a <code>MenuElement</code> -- returns the
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* menus in this menu bar.
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* This is the reason for implementing the <code>MenuElement</code>
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* interface -- so that the menu bar can be treated the same as
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* other menu elements.
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* @return an array of menu items in the menu bar.
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*/
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public MenuElement[] getSubElements() {
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MenuElement result[];
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Vector tmp = new Vector();
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int c = getComponentCount();
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int i;
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Component m;
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for(i=0 ; i < c ; i++) {
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m = getComponent(i);
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if(m instanceof MenuElement)
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tmp.addElement(m);
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}
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result = new MenuElement[tmp.size()];
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for(i=0,c=tmp.size() ; i < c ; i++)
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result[i] = (MenuElement) tmp.elementAt(i);
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return result;
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}
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/**
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* Implemented to be a <code>MenuElement</code>. Returns this object.
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*
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* @return the current <code>Component</code> (this)
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* @see #getSubElements
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*/
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public Component getComponent() {
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return this;
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}
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/**
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* Returns a string representation of this <code>JMenuBar</code>.
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445 |
* This method
|
|
446 |
* is intended to be used only for debugging purposes, and the
|
|
447 |
* content and format of the returned string may vary between
|
|
448 |
* implementations. The returned string may be empty but may not
|
|
449 |
* be <code>null</code>.
|
|
450 |
*
|
|
451 |
* @return a string representation of this <code>JMenuBar</code>
|
|
452 |
*/
|
|
453 |
protected String paramString() {
|
|
454 |
String paintBorderString = (paintBorder ?
|
|
455 |
"true" : "false");
|
|
456 |
String marginString = (margin != null ?
|
|
457 |
margin.toString() : "");
|
|
458 |
|
|
459 |
return super.paramString() +
|
|
460 |
",margin=" + marginString +
|
|
461 |
",paintBorder=" + paintBorderString;
|
|
462 |
}
|
|
463 |
|
|
464 |
/////////////////
|
|
465 |
// Accessibility support
|
|
466 |
////////////////
|
|
467 |
|
|
468 |
/**
|
|
469 |
* Gets the AccessibleContext associated with this JMenuBar.
|
|
470 |
* For JMenuBars, the AccessibleContext takes the form of an
|
|
471 |
* AccessibleJMenuBar.
|
|
472 |
* A new AccessibleJMenuBar instance is created if necessary.
|
|
473 |
*
|
|
474 |
* @return an AccessibleJMenuBar that serves as the
|
|
475 |
* AccessibleContext of this JMenuBar
|
|
476 |
*/
|
|
477 |
public AccessibleContext getAccessibleContext() {
|
|
478 |
if (accessibleContext == null) {
|
|
479 |
accessibleContext = new AccessibleJMenuBar();
|
|
480 |
}
|
|
481 |
return accessibleContext;
|
|
482 |
}
|
|
483 |
|
|
484 |
/**
|
|
485 |
* This class implements accessibility support for the
|
|
486 |
* <code>JMenuBar</code> class. It provides an implementation of the
|
|
487 |
* Java Accessibility API appropriate to menu bar user-interface
|
|
488 |
* elements.
|
|
489 |
* <p>
|
|
490 |
* <strong>Warning:</strong>
|
|
491 |
* Serialized objects of this class will not be compatible with
|
|
492 |
* future Swing releases. The current serialization support is
|
|
493 |
* appropriate for short term storage or RMI between applications running
|
|
494 |
* the same version of Swing. As of 1.4, support for long term storage
|
|
495 |
* of all JavaBeans<sup><font size="-2">TM</font></sup>
|
|
496 |
* has been added to the <code>java.beans</code> package.
|
|
497 |
* Please see {@link java.beans.XMLEncoder}.
|
|
498 |
*/
|
|
499 |
protected class AccessibleJMenuBar extends AccessibleJComponent
|
|
500 |
implements AccessibleSelection {
|
|
501 |
|
|
502 |
/**
|
|
503 |
* Get the accessible state set of this object.
|
|
504 |
*
|
|
505 |
* @return an instance of AccessibleState containing the current state
|
|
506 |
* of the object
|
|
507 |
*/
|
|
508 |
public AccessibleStateSet getAccessibleStateSet() {
|
|
509 |
AccessibleStateSet states = super.getAccessibleStateSet();
|
|
510 |
return states;
|
|
511 |
}
|
|
512 |
|
|
513 |
/**
|
|
514 |
* Get the role of this object.
|
|
515 |
*
|
|
516 |
* @return an instance of AccessibleRole describing the role of the
|
|
517 |
* object
|
|
518 |
*/
|
|
519 |
public AccessibleRole getAccessibleRole() {
|
|
520 |
return AccessibleRole.MENU_BAR;
|
|
521 |
}
|
|
522 |
|
|
523 |
/**
|
|
524 |
* Get the AccessibleSelection associated with this object. In the
|
|
525 |
* implementation of the Java Accessibility API for this class,
|
|
526 |
* return this object, which is responsible for implementing the
|
|
527 |
* AccessibleSelection interface on behalf of itself.
|
|
528 |
*
|
|
529 |
* @return this object
|
|
530 |
*/
|
|
531 |
public AccessibleSelection getAccessibleSelection() {
|
|
532 |
return this;
|
|
533 |
}
|
|
534 |
|
|
535 |
/**
|
|
536 |
* Returns 1 if a menu is currently selected in this menu bar.
|
|
537 |
*
|
|
538 |
* @return 1 if a menu is currently selected, else 0
|
|
539 |
*/
|
|
540 |
public int getAccessibleSelectionCount() {
|
|
541 |
if (isSelected()) {
|
|
542 |
return 1;
|
|
543 |
} else {
|
|
544 |
return 0;
|
|
545 |
}
|
|
546 |
}
|
|
547 |
|
|
548 |
/**
|
|
549 |
* Returns the currently selected menu if one is selected,
|
|
550 |
* otherwise null.
|
|
551 |
*/
|
|
552 |
public Accessible getAccessibleSelection(int i) {
|
|
553 |
if (isSelected()) {
|
|
554 |
if (i != 0) { // single selection model for JMenuBar
|
|
555 |
return null;
|
|
556 |
}
|
|
557 |
int j = getSelectionModel().getSelectedIndex();
|
|
558 |
if (getComponentAtIndex(j) instanceof Accessible) {
|
|
559 |
return (Accessible) getComponentAtIndex(j);
|
|
560 |
}
|
|
561 |
}
|
|
562 |
return null;
|
|
563 |
}
|
|
564 |
|
|
565 |
/**
|
|
566 |
* Returns true if the current child of this object is selected.
|
|
567 |
*
|
|
568 |
* @param i the zero-based index of the child in this Accessible
|
|
569 |
* object.
|
|
570 |
* @see AccessibleContext#getAccessibleChild
|
|
571 |
*/
|
|
572 |
public boolean isAccessibleChildSelected(int i) {
|
|
573 |
return (i == getSelectionModel().getSelectedIndex());
|
|
574 |
}
|
|
575 |
|
|
576 |
/**
|
|
577 |
* Selects the nth menu in the menu bar, forcing it to
|
|
578 |
* pop up. If another menu is popped up, this will force
|
|
579 |
* it to close. If the nth menu is already selected, this
|
|
580 |
* method has no effect.
|
|
581 |
*
|
|
582 |
* @param i the zero-based index of selectable items
|
|
583 |
* @see #getAccessibleStateSet
|
|
584 |
*/
|
|
585 |
public void addAccessibleSelection(int i) {
|
|
586 |
// first close up any open menu
|
|
587 |
int j = getSelectionModel().getSelectedIndex();
|
|
588 |
if (i == j) {
|
|
589 |
return;
|
|
590 |
}
|
|
591 |
if (j >= 0 && j < getMenuCount()) {
|
|
592 |
JMenu menu = getMenu(j);
|
|
593 |
if (menu != null) {
|
|
594 |
MenuSelectionManager.defaultManager().setSelectedPath(null);
|
|
595 |
// menu.setPopupMenuVisible(false);
|
|
596 |
}
|
|
597 |
}
|
|
598 |
// now popup the new menu
|
|
599 |
getSelectionModel().setSelectedIndex(i);
|
|
600 |
JMenu menu = getMenu(i);
|
|
601 |
if (menu != null) {
|
|
602 |
MenuElement me[] = new MenuElement[3];
|
|
603 |
me[0] = JMenuBar.this;
|
|
604 |
me[1] = menu;
|
|
605 |
me[2] = menu.getPopupMenu();
|
|
606 |
MenuSelectionManager.defaultManager().setSelectedPath(me);
|
|
607 |
// menu.setPopupMenuVisible(true);
|
|
608 |
}
|
|
609 |
}
|
|
610 |
|
|
611 |
/**
|
|
612 |
* Removes the nth selected item in the object from the object's
|
|
613 |
* selection. If the nth item isn't currently selected, this
|
|
614 |
* method has no effect. Otherwise, it closes the popup menu.
|
|
615 |
*
|
|
616 |
* @param i the zero-based index of selectable items
|
|
617 |
*/
|
|
618 |
public void removeAccessibleSelection(int i) {
|
|
619 |
if (i >= 0 && i < getMenuCount()) {
|
|
620 |
JMenu menu = getMenu(i);
|
|
621 |
if (menu != null) {
|
|
622 |
MenuSelectionManager.defaultManager().setSelectedPath(null);
|
|
623 |
// menu.setPopupMenuVisible(false);
|
|
624 |
}
|
|
625 |
getSelectionModel().setSelectedIndex(-1);
|
|
626 |
}
|
|
627 |
}
|
|
628 |
|
|
629 |
/**
|
|
630 |
* Clears the selection in the object, so that nothing in the
|
|
631 |
* object is selected. This will close any open menu.
|
|
632 |
*/
|
|
633 |
public void clearAccessibleSelection() {
|
|
634 |
int i = getSelectionModel().getSelectedIndex();
|
|
635 |
if (i >= 0 && i < getMenuCount()) {
|
|
636 |
JMenu menu = getMenu(i);
|
|
637 |
if (menu != null) {
|
|
638 |
MenuSelectionManager.defaultManager().setSelectedPath(null);
|
|
639 |
// menu.setPopupMenuVisible(false);
|
|
640 |
}
|
|
641 |
}
|
|
642 |
getSelectionModel().setSelectedIndex(-1);
|
|
643 |
}
|
|
644 |
|
|
645 |
/**
|
|
646 |
* Normally causes every selected item in the object to be selected
|
|
647 |
* if the object supports multiple selections. This method
|
|
648 |
* makes no sense in a menu bar, and so does nothing.
|
|
649 |
*/
|
|
650 |
public void selectAllAccessibleSelection() {
|
|
651 |
}
|
|
652 |
} // internal class AccessibleJMenuBar
|
|
653 |
|
|
654 |
|
|
655 |
/**
|
|
656 |
* Subclassed to check all the child menus.
|
|
657 |
* @since 1.3
|
|
658 |
*/
|
|
659 |
protected boolean processKeyBinding(KeyStroke ks, KeyEvent e,
|
|
660 |
int condition, boolean pressed) {
|
|
661 |
// See if we have a local binding.
|
|
662 |
boolean retValue = super.processKeyBinding(ks, e, condition, pressed);
|
|
663 |
if (!retValue) {
|
|
664 |
MenuElement[] subElements = getSubElements();
|
|
665 |
for (int i=0; i<subElements.length; i++) {
|
|
666 |
if (processBindingForKeyStrokeRecursive(
|
|
667 |
subElements[i], ks, e, condition, pressed)) {
|
|
668 |
return true;
|
|
669 |
}
|
|
670 |
}
|
|
671 |
}
|
|
672 |
return retValue;
|
|
673 |
}
|
|
674 |
|
|
675 |
static boolean processBindingForKeyStrokeRecursive(MenuElement elem,
|
|
676 |
KeyStroke ks, KeyEvent e, int condition, boolean pressed) {
|
|
677 |
if (elem == null) {
|
|
678 |
return false;
|
|
679 |
}
|
|
680 |
|
|
681 |
Component c = elem.getComponent();
|
|
682 |
|
|
683 |
if ( !(c.isVisible() || (c instanceof JPopupMenu)) || !c.isEnabled() ) {
|
|
684 |
return false;
|
|
685 |
}
|
|
686 |
|
|
687 |
if (c != null && c instanceof JComponent &&
|
|
688 |
((JComponent)c).processKeyBinding(ks, e, condition, pressed)) {
|
|
689 |
|
|
690 |
return true;
|
|
691 |
}
|
|
692 |
|
|
693 |
MenuElement[] subElements = elem.getSubElements();
|
|
694 |
for(int i=0; i<subElements.length; i++) {
|
|
695 |
if (processBindingForKeyStrokeRecursive(subElements[i], ks, e,
|
|
696 |
condition, pressed)) {
|
|
697 |
return true;
|
|
698 |
// We don't, pass along to children JMenu's
|
|
699 |
}
|
|
700 |
}
|
|
701 |
return false;
|
|
702 |
}
|
|
703 |
|
|
704 |
/**
|
|
705 |
* Overrides <code>JComponent.addNotify</code> to register this
|
|
706 |
* menu bar with the current keyboard manager.
|
|
707 |
*/
|
|
708 |
public void addNotify() {
|
|
709 |
super.addNotify();
|
|
710 |
KeyboardManager.getCurrentManager().registerMenuBar(this);
|
|
711 |
}
|
|
712 |
|
|
713 |
/**
|
|
714 |
* Overrides <code>JComponent.removeNotify</code> to unregister this
|
|
715 |
* menu bar with the current keyboard manager.
|
|
716 |
*/
|
|
717 |
public void removeNotify() {
|
|
718 |
super.removeNotify();
|
|
719 |
KeyboardManager.getCurrentManager().unregisterMenuBar(this);
|
|
720 |
}
|
|
721 |
|
|
722 |
|
|
723 |
private void writeObject(ObjectOutputStream s) throws IOException {
|
|
724 |
s.defaultWriteObject();
|
|
725 |
if (getUIClassID().equals(uiClassID)) {
|
|
726 |
byte count = JComponent.getWriteObjCounter(this);
|
|
727 |
JComponent.setWriteObjCounter(this, --count);
|
|
728 |
if (count == 0 && ui != null) {
|
|
729 |
ui.installUI(this);
|
|
730 |
}
|
|
731 |
}
|
|
732 |
|
|
733 |
Object[] kvData = new Object[4];
|
|
734 |
int n = 0;
|
|
735 |
|
|
736 |
if (selectionModel instanceof Serializable) {
|
|
737 |
kvData[n++] = "selectionModel";
|
|
738 |
kvData[n++] = selectionModel;
|
|
739 |
}
|
|
740 |
|
|
741 |
s.writeObject(kvData);
|
|
742 |
}
|
|
743 |
|
|
744 |
|
|
745 |
/**
|
|
746 |
* See JComponent.readObject() for information about serialization
|
|
747 |
* in Swing.
|
|
748 |
*/
|
|
749 |
private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException
|
|
750 |
{
|
|
751 |
s.defaultReadObject();
|
|
752 |
Object[] kvData = (Object[])(s.readObject());
|
|
753 |
|
|
754 |
for(int i = 0; i < kvData.length; i += 2) {
|
|
755 |
if (kvData[i] == null) {
|
|
756 |
break;
|
|
757 |
}
|
|
758 |
else if (kvData[i].equals("selectionModel")) {
|
|
759 |
selectionModel = (SingleSelectionModel)kvData[i + 1];
|
|
760 |
}
|
|
761 |
}
|
|
762 |
|
|
763 |
}
|
|
764 |
}
|