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/*****************************************************************************
* Copyright (c) 2012-2013 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.URL;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
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.gmfdiag.common.service.shape.AbstractShapeProvider;
import org.eclipse.papyrus.infra.gmfdiag.common.service.shape.ProviderNotificationManager;
import org.eclipse.papyrus.infra.gmfdiag.common.service.shape.ShapeService;
import org.eclipse.papyrus.uml.diagram.common.stereotype.display.helper.StereotypeDisplayUtil;
import org.eclipse.papyrus.uml.diagram.symbols.Activator;
import org.eclipse.papyrus.uml.tools.utils.ElementUtil;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Stereotype;
import org.w3c.dom.svg.SVGDocument;
/**
* This provider is linked to the {@link ShapeService}. It returns the shapes for a given element corresponding to the stereotypes applied on the
* business element.
*/
public class StereotypedElementShapeProvider extends AbstractShapeProvider {
private static final String SHAPE_CONSTANT = "shape";
/**
* {@inheritDoc}
*/
@Override
public List<RenderedImage> getShapes(EObject view) {
if (!(view instanceof View)) {
return null;
}
EObject element = ((View) view).getElement();
if (element instanceof Element) {
List<RenderedImage> images = new ArrayList<RenderedImage>();
// it has already been checked that
Iterator<Stereotype> appliedStereotypes = ((Element) element).getAppliedStereotypes().iterator();
while (appliedStereotypes.hasNext()) {
try {
Stereotype appliedStereotype = appliedStereotypes.next();
View stereotypeLabel = StereotypeDisplayUtil.getInstance().getStereotypeLabel(((View) view), appliedStereotype);
if (stereotypeLabel != null && stereotypeLabel.isVisible()) {
org.eclipse.uml2.uml.Image icon = ElementUtil.getStereotypeImage(((Element) element), appliedStereotype, SHAPE_CONSTANT);
if (icon != null) {
if (!"".equals(icon.getLocation()) && icon.getLocation() != null) {
SVGDocument document = getSVGDocument(icon.getLocation());
if (document != null) {
images.add(renderSVGDocument(view, document));
} else {
URL url = new URL(icon.getLocation());
images.add(RenderedImageFactory.getInstance(url));
}
}
}
}
} catch (Exception ex) {
Activator.log.error(ex);
continue;
}
}
return images;
}
return null;
}
/**
* {@inheritDoc}
*/
@Override
public boolean providesShapes(EObject view) {
if (!(view instanceof View)) {
return false;
}
EObject element = ((View) view).getElement();
if (element instanceof Element) {
// This is an element. does it have stereotypes ? If yes, do the stereotypes have shapes associated ?
Iterator<Stereotype> appliedStereotypes = ((Element) element).getAppliedStereotypes().iterator();
while (appliedStereotypes.hasNext()) {
Stereotype appliedStereotype = appliedStereotypes.next();
View stereotypeLabel = StereotypeDisplayUtil.getInstance().getStereotypeLabel(((View) view), appliedStereotype);
if (stereotypeLabel != null && stereotypeLabel.isVisible()) {
org.eclipse.uml2.uml.Image icon = ElementUtil.getStereotypeImage(((Element) element), appliedStereotype, SHAPE_CONSTANT);
if (icon != null) {
if (icon.getLocation() != "" && icon.getLocation() != null) {
return true;
}
}
}
}
}
return false;
}
/**
* {@inheritDoc}
*
*/
@Override
public List<SVGDocument> getSVGDocument(EObject view) {
if (!(view instanceof View)) {
return null;
}
EObject element = ((View) view).getElement();
if (element instanceof Element) {
List<SVGDocument> images = new ArrayList<SVGDocument>();
// it has already been checked that
Iterator<Stereotype> appliedStereotypes = ((Element) element).getAppliedStereotypes().iterator();
while (appliedStereotypes.hasNext()) {
Stereotype appliedStereotype = appliedStereotypes.next();
View stereotypeLabel = StereotypeDisplayUtil.getInstance().getStereotypeLabel(((View) view), appliedStereotype);
if (stereotypeLabel != null && stereotypeLabel.isVisible()) {
org.eclipse.uml2.uml.Image icon = ElementUtil.getStereotypeImage(((Element) element), appliedStereotype, SHAPE_CONSTANT);
if (icon != null) {
if (icon.getLocation() != "" && icon.getLocation() != null) {
SVGDocument document = getSVGDocument(icon.getLocation());
if (document != null) {
images.add(document);
}
}
}
}
}
return images;
}
return null;
}
/**
* {@inheritDoc}
*/
@Override
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;
}
StereotypedElementShapeProviderNotificationManager notificationManager = new StereotypedElementShapeProviderNotificationManager(diagramEventBroker, view, listener);
return notificationManager;
}
/**
* Notification Manager for the {@link StereotypedElementShapeProvider}.
*/
public class StereotypedElementShapeProviderNotificationManager extends ProviderNotificationManager implements NotificationListener {
/**
* Creates a new StereotypedElementShapeProviderNotificationManager.
*
* @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 StereotypedElementShapeProviderNotificationManager(DiagramEventBroker diagramEventBroker, EObject view, NotificationListener listener) {
super(diagramEventBroker, view, listener);
}
/**
* {@inheritDoc}
*/
@Override
protected void registerListeners() {
if (view == null || !(view instanceof View)) {
return;
}
diagramEventBroker.addNotificationListener(view, this);
}
/**
* {@inheritDoc}
*/
@Override
public void dispose() {
if (view == null || !(view instanceof View)) {
return;
}
diagramEventBroker.removeNotificationListener(view, this);
super.dispose();
}
/**
* @see org.eclipse.gmf.runtime.diagram.core.listener.NotificationListener#notifyChanged(org.eclipse.emf.common.notify.Notification)
*
* @param notification
*/
@Override
public void notifyChanged(Notification notification) {
// TODO
}
}
}
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