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/*****************************************************************************
* Copyright (c) 2010 CEA
*
*
* 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:
* Soyatec - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.command;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.Message7CreateCommand;
import org.eclipse.papyrus.uml.diagram.sequence.util.CommandHelper;
import org.eclipse.papyrus.uml.diagram.sequence.util.MessageConnectionHelper;
import org.eclipse.papyrus.uml.diagram.sequence.util.SequenceRequestConstant;
import org.eclipse.uml2.uml.InteractionFragment;
import org.eclipse.uml2.uml.Message;
import org.eclipse.uml2.uml.MessageSort;
/**
* @author Jin Liu (jin.liu@soyatec.com)
*/
public class CustomMessage7CreateCommand extends Message7CreateCommand {
/**
* Constructor.
*
* @param request
* @param source
* @param target
*/
public CustomMessage7CreateCommand(CreateRelationshipRequest request, EObject source, EObject target) {
super(request, source, target);
}
/**
* Add a condition on the MOS container
*
* @Override
*/
@Override
public boolean canExecute() {
// #445271: we don't care about CommandHelper.hasValidContainer()
if (!super.canExecute()) {
return false;
}
return MessageConnectionHelper.canExist(MessageSort.ASYNCH_SIGNAL_LITERAL, null, getTarget());
}
/**
* Create a MessageOccurenceSpecification and the call event when a message is created
*
* @Override
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
if (!canExecute()) {
throw new ExecutionException("Invalid arguments in create link command"); //$NON-NLS-1$
}
InteractionFragment sourceContainer = (InteractionFragment) getRequest().getParameters().get(SequenceRequestConstant.SOURCE_MODEL_CONTAINER);
InteractionFragment targetContainer = (InteractionFragment) getRequest().getParameters().get(SequenceRequestConstant.TARGET_MODEL_CONTAINER);
Message message = CommandHelper.doCreateMessage(container, MessageSort.ASYNCH_SIGNAL_LITERAL, null, getTarget(), sourceContainer, targetContainer);
if (message != null) {
doConfigure(message, monitor, info);
((CreateElementRequest) getRequest()).setNewElement(message);
return CommandResult.newOKCommandResult(message);
}
return CommandResult.newErrorCommandResult("There is now valid container for events"); //$NON-NLS-1$
}
}
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