/******************************************************************************
* Copyright (c) 2014 Oracle
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.ui.forms.internal;
import org.eclipse.sapphire.DisposeEvent;
import org.eclipse.sapphire.Element;
import org.eclipse.sapphire.Event;
import org.eclipse.sapphire.FilteredListener;
import org.eclipse.sapphire.Listener;
import org.eclipse.sapphire.PropertyContentEvent;
import org.eclipse.sapphire.Resource;
import org.eclipse.sapphire.modeling.ModelPath;
import org.eclipse.sapphire.modeling.xml.XmlResource;
import org.eclipse.sapphire.ui.Presentation;
import org.eclipse.sapphire.ui.SapphireAction;
import org.eclipse.sapphire.ui.SapphireActionHandler;
import org.eclipse.sapphire.ui.SourceEditorService;
import org.eclipse.sapphire.ui.def.ActionHandlerDef;
import org.eclipse.sapphire.ui.forms.MasterDetailsContentNodePart;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class OutlineNodeShowInSourceActionHandler extends SapphireActionHandler
{
@Override
public void init( final SapphireAction action, final ActionHandlerDef def )
{
super.init( action, def );
final Element element = ( (MasterDetailsContentNodePart) getPart() ).getLocalModelElement();
final Listener listener = new FilteredListener<PropertyContentEvent>()
{
@Override
protected void handleTypedEvent( final PropertyContentEvent event )
{
refreshVisibility();
}
};
element.attach( listener, ModelPath.ALL_DESCENDENTS );
refreshVisibility();
attach
(
new Listener()
{
@Override
public void handle( final Event event )
{
if( event instanceof DisposeEvent )
{
element.detach( listener, ModelPath.ALL_DESCENDENTS );
}
}
}
);
}
private void refreshVisibility()
{
final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) getPart();
final Element element = node.getLocalModelElement();
final Resource resource = element.resource();
setVisible( resource instanceof XmlResource && ( (XmlResource) resource ).getXmlElement() != null );
}
@Override
protected Object run( final Presentation context )
{
final MasterDetailsContentNodePart node = (MasterDetailsContentNodePart) getPart();
final Element element = node.getLocalModelElement();
element.adapt( SourceEditorService.class ).show( element, null );
return null;
}
}