/*
* $Id$
*
* Copyright 2009 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jdesktop.swingx.binding;
import java.awt.Component;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import org.jdesktop.beansbinding.ext.BeanAdapterProvider;
import org.jdesktop.swingbinding.adapters.BeanAdapterBase;
/**
* @author Karl George Schaefer
* @author Shannon Hickey (for ideas from adapters package)
*/
public final class ComponentAdapterProvider implements BeanAdapterProvider {
private static final String VISIBLE_P = "visible";
public final class Adapter extends BeanAdapterBase {
private Component comp;
private Handler handler;
private boolean visible;
private Adapter(Component comp, String property) {
super(property);
this.comp = comp;
visible = comp.isVisible();
}
public boolean isVisible() {
return visible;
}
public void setVisible(boolean visible) {
comp.setVisible(visible);
}
@Override
protected void listeningStarted() {
handler = new Handler();
comp.addComponentListener(handler);
}
@Override
protected void listeningStopped() {
comp.removeComponentListener(handler);
visible = false;
handler = null;
}
private class Handler implements ComponentListener {
@Override
public void componentShown(ComponentEvent e) {
visible = true;
firePropertyChange(false, true);
}
@Override
public void componentHidden(ComponentEvent e) {
visible = false;
firePropertyChange(true, false);
}
@Override
public void componentMoved(ComponentEvent e) { }
@Override
public void componentResized(ComponentEvent e) { }
}
}
public boolean providesAdapter(Class<?> type, String property) {
if (!Component.class.isAssignableFrom(type)) {
return false;
}
property = property.intern();
return property == VISIBLE_P;
}
public Object createAdapter(Object source, String property) {
if (!providesAdapter(source.getClass(), property)) {
throw new IllegalArgumentException();
}
return new Adapter((Component) source, property);
}
public Class<?> getAdapterClass(Class<?> type) {
return Component.class.isAssignableFrom(type) ? ComponentAdapterProvider.Adapter.class : null;
}
}