/**
* Copyright (c) 2011 committers of YAKINDU 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:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.base.gmf.runtime.decorators;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker;
import org.eclipse.gmf.runtime.diagram.core.listener.NotificationListener;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.AbstractDecorator;
import org.eclipse.gmf.runtime.diagram.ui.services.decorator.IDecoratorTarget;
/**
*
* @author andreas muelder - Initial contribution and API
*
*/
public abstract class BaseDecorator extends AbstractDecorator {
protected IGraphicalEditPart gep;
protected EObject semanticElement;
public BaseDecorator(IDecoratorTarget decoratorTarget) {
super(decoratorTarget);
gep = (IGraphicalEditPart) getDecoratorTarget().getAdapter(
IGraphicalEditPart.class);
semanticElement = gep.resolveSemanticElement();
}
private NotificationListener notificationListener = new NotificationListener() {
public void notifyChanged(Notification notification) {
refresh();
}
};
public void activate() {
DiagramEventBroker.getInstance(gep.getEditingDomain())
.addNotificationListener(semanticElement, notificationListener);
DiagramEventBroker.getInstance(gep.getEditingDomain())
.addNotificationListener(gep.getNotationView(),
notificationListener);
}
public void deactivate() {
removeDecoration();
DiagramEventBroker.getInstance(gep.getEditingDomain())
.removeNotificationListener(semanticElement,
notificationListener);
DiagramEventBroker.getInstance(gep.getEditingDomain())
.removeNotificationListener(gep.getNotationView(),
notificationListener);
}
}