/*
* Copyright (c) 2001, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package javax.swing;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.util.Set;
/**
* Provides a javax.swing.DefaultFocusManager view onto an arbitrary
* java.awt.KeyboardFocusManager. We subclass DefaultFocusManager instead of
* FocusManager because it seems more backward-compatible. It is likely that
* some pre-1.4 code assumes that the object returned by
* FocusManager.getCurrentManager is an instance of DefaultFocusManager unless
* set explicitly.
*/
final class DelegatingDefaultFocusManager extends DefaultFocusManager {
private final KeyboardFocusManager delegate;
DelegatingDefaultFocusManager(KeyboardFocusManager delegate) {
this.delegate = delegate;
setDefaultFocusTraversalPolicy(gluePolicy);
}
KeyboardFocusManager getDelegate() {
return delegate;
}
// Legacy methods which first appeared in javax.swing.FocusManager.
// Client code is most likely to invoke these methods.
public void processKeyEvent(Component focusedComponent, KeyEvent e) {
delegate.processKeyEvent(focusedComponent, e);
}
public void focusNextComponent(Component aComponent) {
delegate.focusNextComponent(aComponent);
}
public void focusPreviousComponent(Component aComponent) {
delegate.focusPreviousComponent(aComponent);
}
// Make sure that we delegate all new methods in KeyboardFocusManager
// as well as the legacy methods from Swing. It is theoretically possible,
// although unlikely, that a client app will treat this instance as a
// new-style KeyboardFocusManager. We might as well be safe.
//
// The JLS won't let us override the protected methods in
// KeyboardFocusManager such that they invoke the corresponding methods on
// the delegate. However, since client code would never be able to call
// those methods anyways, we don't have to worry about that problem.
public Component getFocusOwner() {
return delegate.getFocusOwner();
}
public void clearGlobalFocusOwner() {
delegate.clearGlobalFocusOwner();
}
public Component getPermanentFocusOwner() {
return delegate.getPermanentFocusOwner();
}
public Window getFocusedWindow() {
return delegate.getFocusedWindow();
}
public Window getActiveWindow() {
return delegate.getActiveWindow();
}
public FocusTraversalPolicy getDefaultFocusTraversalPolicy() {
return delegate.getDefaultFocusTraversalPolicy();
}
public void setDefaultFocusTraversalPolicy(FocusTraversalPolicy
defaultPolicy) {
if (delegate != null) {
// Will be null when invoked from supers constructor.
delegate.setDefaultFocusTraversalPolicy(defaultPolicy);
}
}
public void
setDefaultFocusTraversalKeys(int id,
Set<? extends AWTKeyStroke> keystrokes)
{
delegate.setDefaultFocusTraversalKeys(id, keystrokes);
}
public Set<AWTKeyStroke> getDefaultFocusTraversalKeys(int id) {
return delegate.getDefaultFocusTraversalKeys(id);
}
public Container getCurrentFocusCycleRoot() {
return delegate.getCurrentFocusCycleRoot();
}
public void setGlobalCurrentFocusCycleRoot(Container newFocusCycleRoot) {
delegate.setGlobalCurrentFocusCycleRoot(newFocusCycleRoot);
}
public void addPropertyChangeListener(PropertyChangeListener listener) {
delegate.addPropertyChangeListener(listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener) {
delegate.removePropertyChangeListener(listener);
}
public void addPropertyChangeListener(String propertyName,
PropertyChangeListener listener) {
delegate.addPropertyChangeListener(propertyName, listener);
}
public void removePropertyChangeListener(String propertyName,
PropertyChangeListener listener) {
delegate.removePropertyChangeListener(propertyName, listener);
}
public void addVetoableChangeListener(VetoableChangeListener listener) {
delegate.addVetoableChangeListener(listener);
}
public void removeVetoableChangeListener(VetoableChangeListener listener) {
delegate.removeVetoableChangeListener(listener);
}
public void addVetoableChangeListener(String propertyName,
VetoableChangeListener listener) {
delegate.addVetoableChangeListener(propertyName, listener);
}
public void removeVetoableChangeListener(String propertyName,
VetoableChangeListener listener) {
delegate.removeVetoableChangeListener(propertyName, listener);
}
public void addKeyEventDispatcher(KeyEventDispatcher dispatcher) {
delegate.addKeyEventDispatcher(dispatcher);
}
public void removeKeyEventDispatcher(KeyEventDispatcher dispatcher) {
delegate.removeKeyEventDispatcher(dispatcher);
}
public boolean dispatchEvent(AWTEvent e) {
return delegate.dispatchEvent(e);
}
public boolean dispatchKeyEvent(KeyEvent e) {
return delegate.dispatchKeyEvent(e);
}
public void upFocusCycle(Component aComponent) {
delegate.upFocusCycle(aComponent);
}
public void downFocusCycle(Container aContainer) {
delegate.downFocusCycle(aContainer);
}
}