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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.css.service;
import java.util.function.Predicate;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.gmfdiag.css.Activator;
import org.eclipse.papyrus.infra.gmfdiag.css.spi.IStylingProvider;
import org.eclipse.papyrus.infra.tools.util.CompositeServiceTracker;
import org.osgi.framework.BundleContext;
/**
* The notation view styling service. It delegates to registered
* OSGi service implementations of the {@link IStylingProvider} protocol.
*
*/
public class StylingService implements IStylingProvider {
private final CompositeServiceTracker<IStylingProvider> tracker;
public StylingService(BundleContext context) {
super();
tracker = new CompositeServiceTracker<>(context,
IStylingProvider.class,
IStylingProvider.NONE,
IStylingProvider::compose);
tracker.open();
}
/**
* Obtains the Styling Service that delegates to registered providers.
*
* @return the Styling Service
*/
public static StylingService getInstance() {
return Activator.getDefault().getStylingService();
}
public void dispose() {
tracker.close();
}
@Override
public void resetStyle(View view) {
tracker.getService().resetStyle(view);
}
@Override
public Iterable<EClass> getSupportedSemanticClasses() {
return tracker.getService().getSupportedSemanticClasses();
}
@Override
public Predicate<EStructuralFeature> getSemanticPropertySupportedPredicate() {
return tracker.getService().getSemanticPropertySupportedPredicate();
}
}
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