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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.io.IOException;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.URI;
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.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.AcceptEventAction;
import org.eclipse.uml2.uml.ActivityFinalNode;
import org.eclipse.uml2.uml.DecisionNode;
import org.eclipse.uml2.uml.DurationObservation;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Event;
import org.eclipse.uml2.uml.FlowFinalNode;
import org.eclipse.uml2.uml.InitialNode;
import org.eclipse.uml2.uml.MergeNode;
import org.eclipse.uml2.uml.SendSignalAction;
import org.eclipse.uml2.uml.TimeEvent;
import org.eclipse.uml2.uml.TimeObservation;
import org.eclipse.uml2.uml.Trigger;
import org.eclipse.uml2.uml.TypedElement;
import org.eclipse.uml2.uml.UMLPackage;
import org.w3c.dom.svg.SVGDocument;
/**
* Shape Provider for {@link DurationObservation} or for {@link TypedElement} that are typed by an {@link DurationObservation}.
*/
public class UMLElementShapeProvider extends AbstractShapeProvider {
private static final String FLAG_SVG_PATH = "/icons/symbols/flag.svg";
private static final String HOURGLASS_SVG_PATH = "/icons/symbols/hourglass.svg";
private static final String DURATION_OBSERVATION_SVG_PATH = "/icons/symbols/DurationObservation.svg";
private static final String TIME_OBSERVATION_SVG_PATH = "/icons/symbols/TimeObservation.svg";
/** The Constant SYMBOL_SVG_PATH. */
private static final String ROUND_WITH_DOT_SVG_PATH = "/icons/symbols/round_with_dot.svg";
/** The Constant SYMBOL_SVG_PATH. */
private static final String ROUND_FULL_SVG_PATH = "/icons/symbols/round_full.svg";
/** The Constant SYMBOL_SVG_PATH. */
private static final String ROUND_WITH_CROSS_SVG_PATH = "/icons/symbols/round_with_cross.svg";
/** The Constant SYMBOL_SVG_PATH. */
private static final String ARROW_SVG_PATH = "/icons/symbols/arrow.svg";
/** The Constant SYMBOL_SVG_PATH. */
private static final String DIAMOND_SVG_PATH = "/icons/symbols/diamond.svg";
/**
* {@inheritDoc}
*/
@Override
public List<RenderedImage> getShapes(EObject view) {
if (providesShapes(view)) {
List<SVGDocument> documents = getSVGDocument(view);
if (documents != null) {
List<RenderedImage> result = new LinkedList<RenderedImage>();
for (SVGDocument document : documents) {
try {
result.add(renderSVGDocument(view, document));
} catch (IOException ex) {
Activator.log.error(ex);
continue;
}
}
return result;
}
}
return null;
}
/**
* {@inheritDoc}
*/
@Override
public boolean providesShapes(EObject view) {
if (!(view instanceof View)) {
return false;
}
EObject element = ((View) view).getElement();
if (element instanceof DurationObservation || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof DurationObservation)) {
return true;
}// duration
if (element instanceof TimeObservation || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof TimeObservation)) {
return true;
}// time
if (element instanceof SendSignalAction || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof SendSignalAction)) {
return true;
}// Arrow
if (element instanceof DecisionNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof DecisionNode)) {
return true;
}// Diamond
if (element instanceof MergeNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof MergeNode)) {
return true;
}// Diamond
if (element instanceof AcceptEventAction || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof AcceptEventAction)) {
return true;
}// flag and hourglass
if (element instanceof InitialNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof InitialNode)) {
return true;
}// roundfull
if (element instanceof FlowFinalNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof FlowFinalNode)) {
return true;
}// roundWCross
if (element instanceof ActivityFinalNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof ActivityFinalNode)) {
return true;
}// RoundWDot
return false;
}
/**
* {@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;
}
DurationObservationShapeProviderNotificationManager notificationManager = new DurationObservationShapeProviderNotificationManager(diagramEventBroker, view, listener);
return notificationManager;
}
/**
* Notification Manager for the {@link UMLElementShapeProvider}.
*/
public class DurationObservationShapeProviderNotificationManager extends ProviderNotificationManager implements NotificationListener {
/**
* Creates a new DurationObservationShapeProviderNotificationManager.
*
* @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 DurationObservationShapeProviderNotificationManager(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}
*/
@Override
public void notifyChanged(Notification notification) {
if (listener == null) {
return;
}
if (UMLPackage.eINSTANCE.getTypedElement_Type().equals(notification.getFeature())) {
listener.notifyChanged(notification);
}
}
}
/**
* {@inheritDoc}
*/
@Override
public List<SVGDocument> getSVGDocument(EObject view) {
if (providesShapes(view)) {
EObject element = ((View) view).getElement();
URI uri = URI.createPlatformPluginURI("", true);
if (element instanceof DurationObservation || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof DurationObservation)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.uml.diagram.common.Activator.ID + DURATION_OBSERVATION_SVG_PATH, true);
}// duration
if (element instanceof TimeObservation || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof TimeObservation)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.uml.diagram.common.Activator.ID + TIME_OBSERVATION_SVG_PATH, true);
}// time
if (element instanceof SendSignalAction || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof SendSignalAction)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + ARROW_SVG_PATH, true);
}// Arrow
if (element instanceof DecisionNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof DecisionNode)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + DIAMOND_SVG_PATH, true);
}// Diamond
if (element instanceof MergeNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof MergeNode)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + DIAMOND_SVG_PATH, true);
}// Diamond
if (element instanceof AcceptEventAction || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof AcceptEventAction)) {
if (isAcceptTimeEventAction((AcceptEventAction) element)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + HOURGLASS_SVG_PATH, true);
} else {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + FLAG_SVG_PATH, true);
}
}// flag and hourglass
if (element instanceof InitialNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof InitialNode)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + ROUND_FULL_SVG_PATH, true);
}// roundfull
if (element instanceof FlowFinalNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof FlowFinalNode)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + ROUND_WITH_CROSS_SVG_PATH, true);
}// roundWCross
if (element instanceof ActivityFinalNode || (element instanceof TypedElement && ((TypedElement) element).getType() instanceof ActivityFinalNode)) {
uri = URI.createPlatformPluginURI(org.eclipse.papyrus.infra.gmfdiag.common.Activator.ID + ROUND_WITH_DOT_SVG_PATH, true);
}// RoundWDot
String path = uri.toString();
SVGDocument document = getSVGDocument(path);
if (document == null) {
return null;
}
return Arrays.asList(document);
}
return null;
}
/**
* For AcceptEventAction, test whether the action may be considered as a time event action
* Come from org.eclipse.papyrus.uml.diagram.activity.helper.CustomAcceptEventActionEditHelper
*
* @param action
* the action to test
* @return true if action is a time event action
*/
public static boolean isAcceptTimeEventAction(AcceptEventAction action) {
if (action.getTriggers() != null) {
boolean hasTimeEvent = false;
for (Trigger trigger : action.getTriggers()) {
if (trigger != null) {
Event event = trigger.getEvent();
if (event instanceof TimeEvent) {
hasTimeEvent = true;
} else {
return false;
}
}
}
// only time events have been encountered, but maybe no event at all.
return hasTimeEvent;
}
return false;
}
}
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