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/*****************************************************************************
* Copyright (c) 2015, 2019 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Francois Le Fevre (CEA LIST) francois.le-fevre@cea.fr - Initial API and implementation
* Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Bug 517797
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.dnd.behavior;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest.ViewDescriptor;
import org.eclipse.gmf.runtime.diagram.ui.requests.DropObjectsRequest;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.papyrus.infra.gmfdiag.dnd.strategy.TransactionalDropStrategy;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.ActivityActivityContentCompartmentEditPart;
import org.eclipse.papyrus.uml.diagram.activity.edit.parts.CallBehaviorActionEditPart;
import org.eclipse.papyrus.uml.diagram.activity.part.CustomMessages;
import org.eclipse.papyrus.uml.diagram.activity.part.UMLDiagramEditorPlugin;
import org.eclipse.papyrus.uml.service.types.element.UMLElementTypes;
import org.eclipse.swt.graphics.Image;
import org.eclipse.uml2.uml.Activity;
import org.eclipse.uml2.uml.Behavior;
import org.eclipse.uml2.uml.CallBehaviorAction;
/**
* Class dedicated to the management of drag and drop of a Behavior (Functional etc..) into a Activity diagram to create automatically a callbehavor action
*
*/
public class BehaviorToCallBehaviorActionDropStrategy extends TransactionalDropStrategy {
@Override
public String getLabel() {
return CustomMessages.BehaviorToCallBehaviorActionDropStrategy_Label;
}
@Override
public String getDescription() {
return CustomMessages.BehaviorToCallBehaviorActionDropStrategy_Description;
}
@Override
public Image getImage() {
return null;
}
@Override
public String getID() {
return UMLDiagramEditorPlugin.ID + ".operation.represents"; //$NON-NLS-1$
}
@Override
protected Command doGetCommand(Request request, final EditPart targetEditPart) {
// Step 1: check the environment
// Step 1.1: The only supported case is "Drop a single element"
List<EObject> sourceElements = getSourceEObjects(request);
if (sourceElements.size() != 1) {
return null;
}
final EObject sourceElement = sourceElements.get(0);
// Step 1.2: The only supported case is Operation
if (!(sourceElement instanceof Behavior)) {
return null;
}
final Behavior behavior = (Behavior) sourceElement;
// Step 1.3: The only supported case is Activity
final EObject targetElement = getTargetSemanticElement(targetEditPart);
if (!(targetElement instanceof org.eclipse.uml2.uml.Activity)) {
return null;
}
final Activity activity = (Activity) targetElement;
// Get the compartment edit part
ActivityActivityContentCompartmentEditPart compartmentEditPart = null;
Iterator<Object> children = targetEditPart.getChildren().iterator();
while (children.hasNext() && null == compartmentEditPart) {
Object child = children.next();
if (child instanceof ActivityActivityContentCompartmentEditPart) {
compartmentEditPart = (ActivityActivityContentCompartmentEditPart) child;
}
}
final ActivityActivityContentCompartmentEditPart contentCompartmentEditPart = compartmentEditPart;
// Step 2: create the commands
// CompositeCommand to hold the commands
CompositeCommand cc = new CompositeCommand(getLabel());
ICommand editSlotsCommand = new CreateCallBehaviorAndUpdateCommand<CallBehaviorAction, Activity, Behavior>(targetEditPart, CallBehaviorAction.class, activity, behavior, false, UMLElementTypes.CALL_BEHAVIOR_ACTION) {
/**
* @see org.eclipse.papyrus.uml.diagram.activity.dnd.behavior.CreateCallBehaviorAndUpdateCommand#updateNewlyCreatedEObjectWithEObjectDragged(org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecore.EObject)
*
* @param callBehaviorAction
* @param property
* @throws ExecutionException
*/
@Override
public void updateNewlyCreatedEObjectWithEObjectDragged(CallBehaviorAction callBehaviorAction, Behavior property) throws ExecutionException {
// Manage the super process
super.updateNewlyCreatedEObjectWithEObjectDragged(callBehaviorAction, property);
// If the content compartment edit part of the activity is visible, add the created CallBehaviorAction
if (null != contentCompartmentEditPart) {
// Get the location
final Point location;
if (request instanceof DropObjectsRequest) {
location = ((DropObjectsRequest) request).getLocation();
} else {
location = new Point(100, 100);
}
// Create the view request, its associated command and execute it
final ViewDescriptor descriptor = new ViewDescriptor(new EObjectAdapter(callBehaviorAction), Node.class, CallBehaviorActionEditPart.VISUAL_ID, ((IGraphicalEditPart) targetEditPart).getDiagramPreferencesHint());
final CreateViewRequest createViewRequest = new CreateViewRequest(descriptor);
createViewRequest.setLocation(location);
final Command createViewCommand = contentCompartmentEditPart.getCommand(createViewRequest);
if (null != createViewCommand) {
createViewCommand.execute();
}
}
}
};
if (editSlotsCommand != null) {
cc.add(editSlotsCommand);
}
return cc.canExecute() ? new ICommandProxy(cc.reduce()) : null;
}
/**
* @see org.eclipse.papyrus.infra.gmfdiag.dnd.strategy.DropStrategy#getPriority()
*
* @return
* @deprecated
*/
@Deprecated
@Override
public int getPriority() {
return 0;
}
}
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