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/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
* 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:
*
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.symbols.provider;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import org.apache.batik.dom.svg.SVGOMDocument;
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.draw2d.ui.render.RenderedImage;
import org.eclipse.gmf.runtime.draw2d.ui.render.factory.RenderedImageFactory;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.emf.utils.BusinessModelResolver;
import org.eclipse.papyrus.infra.gmfdiag.common.service.shape.AbstractShapeProvider;
import org.eclipse.papyrus.infra.gmfdiag.common.service.shape.ProviderNotificationManager;
import org.eclipse.papyrus.uml.diagram.symbols.Activator;
import org.eclipse.uml2.uml.Actor;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.TypedElement;
import org.eclipse.uml2.uml.UMLPackage;
/**
* Shape Provider for {@link Actor} or for {@link TypedElement} that are typed by an {@link Actor}.
*/
public class ActorShapeProvider extends AbstractShapeProvider {
/**
* {@inheritDoc}
*/
public List<RenderedImage> getShapes(EObject view) {
if(providesShapes(view)) {
URL url;
try {
url = new URL("platform:/plugin/org.eclipse.papyrus.uml.diagram.common/icons/symbols/actor.svg"); //$NON-NLS-1$
return Arrays.asList(RenderedImageFactory.getInstance(url));
} catch (MalformedURLException e) {
Activator.log.error(e);
}
}
return null;
}
/**
* {@inheritDoc}
*/
public boolean providesShapes(EObject view) {
if(!(view instanceof View)) {
return false;
}
EObject element = ((View)view).getElement();
if(element instanceof Actor || (element instanceof TypedElement && ((TypedElement)element).getType() instanceof Actor)) {
return true;
}
return false;
}
/**
* {@inheritDoc}
*/
public ProviderNotificationManager createProviderNotificationManager(DiagramEventBroker diagramEventBroker, EObject view, NotificationListener listener) {
// retrieve semantic element from the view and add a notification listener on the Type feature if the semantic element is a TypedElement
if(view == null || !(view instanceof View)) {
return null;
}
ActorShapeProviderNotificationManager notificationManager = new ActorShapeProviderNotificationManager(diagramEventBroker, view, listener);
return notificationManager;
}
/**
* Notification Manager for the {@link ActorShapeProvider}.
*/
public class ActorShapeProviderNotificationManager extends ProviderNotificationManager implements NotificationListener {
/**
* Creates a new ActorShapeProviderNotificationManager.
*
* @param diagramEventBroker
* event broker specific to the diargam displaying the shapes.
* @param view
* the view from which all elements to listen will be computed.
* @param listener
* the listener to which notifications will be forwarded.
*/
public ActorShapeProviderNotificationManager(DiagramEventBroker diagramEventBroker, EObject view, NotificationListener listener) {
super(diagramEventBroker, view, listener);
}
/**
* {@inheritDoc}
*/
@Override
protected void registerListeners() {
if(view == null || !(view instanceof View)) {
return;
}
Object semanticElement = BusinessModelResolver.getInstance().getBusinessModel(view);
if(semanticElement instanceof Element) {
diagramEventBroker.addNotificationListener((Element)semanticElement, this);
}
}
/**
* {@inheritDoc}
*/
@Override
public void dispose() {
if(view == null || !(view instanceof View)) {
return;
}
Object semanticElement = BusinessModelResolver.getInstance().getBusinessModel(view);
if(semanticElement instanceof Element) {
diagramEventBroker.removeNotificationListener((Element)semanticElement, this);
}
super.dispose();
}
/**
* {@inheritDoc}
*/
public void notifyChanged(Notification notification) {
if(listener == null) {
return;
}
if(UMLPackage.eINSTANCE.getTypedElement_Type().equals(notification.getFeature())) {
listener.notifyChanged(notification);
}
}
}
public List<SVGOMDocument> getSVGOMDocument(EObject view) {
if(providesShapes(view)) {
String path ="platform:/plugin/org.eclipse.papyrus.uml.diagram.common/icons/symbols/actor.svg"; //$NON-NLS-1$
SVGOMDocument document=getSVGDocument(path);
if(document==null){
return null;
}
return Arrays.asList(getSVGDocument(path));
}
return null;
}
}
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