/* JApplet.java --   Copyright (C) 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 modifyit under the terms of the GNU General Public License as published bythe 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, butWITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNUGeneral Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU Classpath; see the file COPYING.  If not, write to theFree Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA02110-1301 USA.Linking this library statically or dynamically with other modules ismaking a combined work based on this library.  Thus, the terms andconditions of the GNU General Public License cover the wholecombination.As a special exception, the copyright holders of this library give youpermission to link this library with independent modules to produce anexecutable, regardless of the license terms of these independentmodules, and to copy and distribute the resulting executable underterms of your choice, provided that you also meet, for each linkedindependent module, the terms and conditions of the license of thatmodule.  An independent module is a module which is not derived fromor based on this library.  If you modify this library, you may extendthis exception to your version of the library, but you are notobligated to do so.  If you do not wish to do so, delete thisexception statement from your version. */package javax.swing;import java.applet.Applet;import java.awt.BorderLayout;import java.awt.Component;import java.awt.Container;import java.awt.Dimension;import java.awt.Graphics;import java.awt.LayoutManager;import java.awt.event.KeyEvent;import javax.accessibility.Accessible;import javax.accessibility.AccessibleContext;/** * A top-level container that is usually used in web browsers. * * @author original author unknown */public class JApplet extends Applet  implements RootPaneContainer, Accessible{  /**   * Provides accessibility support for <code>JApplet</code>.   */  protected class AccessibleJApplet extends Applet.AccessibleApplet  {    /**     * Creates a new instance of <code>AccessibleJApplet</code>.     */    protected AccessibleJApplet()    {      super();      // Nothing to do here.    }  }  /**   * The accessible context for this <code>JApplet</code>.   */  protected AccessibleContext accessibleContext;  private static final long serialVersionUID = 7269359214497372587L;    protected JRootPane rootPane;  /**   * @specnote rootPaneCheckingEnabled is false to comply with J2SE 5.0   */  protected boolean rootPaneCheckingEnabled = false;  public JApplet()  {    super.setLayout(new BorderLayout(1, 1));    getRootPane(); // Will do set/create.    setRootPaneCheckingEnabled(true); // Init stage is now over.  }  public Dimension getPreferredSize()  {    return super.getPreferredSize();  }  public void setLayout(LayoutManager manager)  {    // Check if we're in initialization stage.  If so, call super.setLayout    // otherwise, valid calls go to the content pane    if (isRootPaneCheckingEnabled())      getContentPane().setLayout(manager);    else      super.setLayout(manager);  }  public void setLayeredPane(JLayeredPane layeredPane)  {    getRootPane().setLayeredPane(layeredPane);  }  public JLayeredPane getLayeredPane()  {    return getRootPane().getLayeredPane();  }  public JRootPane getRootPane()  {    if (rootPane == null)      setRootPane(createRootPane());    return rootPane;  }  protected void setRootPane(JRootPane root)  {    if (rootPane != null)      remove(rootPane);    rootPane = root;    add(rootPane, BorderLayout.CENTER);  }  protected JRootPane createRootPane()  {    return new JRootPane();  }  public Container getContentPane()  {    return getRootPane().getContentPane();  }  public void setContentPane(Container contentPane)  {    getRootPane().setContentPane(contentPane);  }  public Component getGlassPane()  {    return getRootPane().getGlassPane();  }  public void setGlassPane(Component glassPane)  {    getRootPane().setGlassPane(glassPane);  }  protected void addImpl(Component comp, Object constraints, int index)  {    // If we're adding in the initialization stage use super.add.    // Otherwise pass the add onto the content pane.    if (isRootPaneCheckingEnabled())      getContentPane().add(comp, constraints, index);    else      super.addImpl(comp, constraints, index);  }  public AccessibleContext getAccessibleContext()  {    if (accessibleContext == null)      accessibleContext = new AccessibleJApplet();    return accessibleContext;  }  public JMenuBar getJMenuBar()  {    return getRootPane().getJMenuBar();  }  public void setJMenuBar(JMenuBar menubar)  {    getRootPane().setJMenuBar(menubar);  }  protected String paramString()  {    return super.paramString();  }  protected void processKeyEvent(KeyEvent e)  {    super.processKeyEvent(e);  }    public void remove(Component comp)  {    // If we're removing the root pane, use super.remove. Otherwise    // pass it on to the content pane instead    if (comp == rootPane)      super.remove(rootPane);    else      getContentPane().remove(comp);  }  protected boolean isRootPaneCheckingEnabled()  {    return rootPaneCheckingEnabled;  }  protected void setRootPaneCheckingEnabled(boolean enabled)  {    rootPaneCheckingEnabled = enabled;  }  public void update(Graphics g)  {    paint(g);  }}