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/*****************************************************************************
* Copyright (c) 2016 Christian W. Damus and others.
*
* 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:
* Christian W. Damus - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.common.spi;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.papyrus.infra.tools.util.CompositeServiceTracker;
import org.osgi.framework.BundleContext;
/**
* A delegating deletion helper that consults registered deletion-helper services.
*/
public class GraphicalDeletionHelperService implements IGraphicalDeletionHelper {
private final CompositeServiceTracker<IGraphicalDeletionHelper> tracker;
public GraphicalDeletionHelperService(BundleContext context) {
super();
tracker = new CompositeServiceTracker<>(context,
IGraphicalDeletionHelper.class,
IGraphicalDeletionHelper.DEFAULT,
IGraphicalDeletionHelper::compose);
tracker.open();
}
public void dispose() {
tracker.close();
}
@Override
public boolean canDelete(IGraphicalEditPart editPart) {
return tracker.getService().canDelete(editPart);
}
}
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