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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 java.util.List;
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.notation.Diagram;
import org.eclipse.papyrus.uml.diagram.sequence.edit.commands.DurationConstraintCreateCommand;
import org.eclipse.papyrus.uml.diagram.sequence.providers.ElementInitializers;
import org.eclipse.papyrus.uml.diagram.sequence.util.SequenceRequestConstant;
import org.eclipse.papyrus.uml.diagram.sequence.util.SequenceUtil;
import org.eclipse.uml2.uml.CombinedFragment;
import org.eclipse.uml2.uml.DurationConstraint;
import org.eclipse.uml2.uml.Namespace;
import org.eclipse.uml2.uml.OccurrenceSpecification;
import org.eclipse.uml2.uml.UMLFactory;
/**
* @author Jin Liu (jin.liu@soyatec.com)
*/
public class CustomDurationConstraintCreateCommand extends DurationConstraintCreateCommand {
/**
* Constructor.
*
* @param req
* @param eObject
*/
public CustomDurationConstraintCreateCommand(CreateElementRequest req, EObject eObject, Diagram diagram) {
super(req, eObject, diagram);
}
/**
* Constructor.
*
* @param req
*/
public CustomDurationConstraintCreateCommand(CreateElementRequest req, Diagram diagram) {
super(req, diagram);
}
/**
* @Override enable only if there is occurrence specifications
*/
@Override
public boolean canExecute() {
/*
* // check first occurrence specification
* if(!getRequest().getParameters().containsKey(SequenceRequestConstant.NEAREST_OCCURRENCE_SPECIFICATION)) {
* return true; // duration creation is in progress; source is not defined yet
* }
* Object paramOccurrence1 = getRequest().getParameter(SequenceRequestConstant.NEAREST_OCCURRENCE_SPECIFICATION);
* List<OccurrenceSpecification> occ1List = SequenceUtil.getAsOccSpecList(paramOccurrence1);
* if(occ1List.isEmpty()) {
* return false;
* }
* // check second occurrence specification
* if(!getRequest().getParameters().containsKey(SequenceRequestConstant.NEAREST_OCCURRENCE_SPECIFICATION_2)) {
* return true; // duration creation is in progress; target is not defined yet
* }
* Object paramOccurrence2 = getRequest().getParameter(SequenceRequestConstant.NEAREST_OCCURRENCE_SPECIFICATION_2);
* List<OccurrenceSpecification> occ2List = SequenceUtil.getAsOccSpecList(paramOccurrence2);
* if(occ2List.isEmpty()) {
* return false;
* }
* // disable duration constraint on a same event
* if(!Collections.disjoint(occ1List, occ2List)) {
* return false;
* }
* // enable duration constraint only on a same lifeline or on message
* OccurrenceSpecification[] pair = SequenceUtil.getPairOfCorrespondingOccSpec(occ1List, occ2List);
* if(pair != null && pair.length > 1) {
* boolean enabled = DurationConstraintHelper.coversSameLifeline(pair[0], pair[1]);
* // handle creation on message
* enabled |= DurationConstraintHelper.endsOfSameMessage(pair[0], pair[1]);
* return enabled;
* }
* return false;
*/
return true;
}
/**
* @Override get the Lifeline parent as owner, assign the occurrence specifications
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
DurationConstraint newElement = UMLFactory.eINSTANCE.createDurationConstraint();
// get the Lifeline parent as owner
Namespace owner = getNamespace(getElementToEdit());
owner.getOwnedRules().add(newElement);
ElementInitializers.getInstance().init_DurationConstraint_Shape(newElement);
// assign the occurrence specification
Object paramOccurrence1 = getRequest().getParameter(SequenceRequestConstant.NEAREST_OCCURRENCE_SPECIFICATION);
List<OccurrenceSpecification> occ1List = SequenceUtil.getAsOccSpecList(paramOccurrence1);
Object paramOccurrence2 = getRequest().getParameter(SequenceRequestConstant.NEAREST_OCCURRENCE_SPECIFICATION_2);
List<OccurrenceSpecification> occ2List = SequenceUtil.getAsOccSpecList(paramOccurrence2);
OccurrenceSpecification[] pair = SequenceUtil.getPairOfCorrespondingOccSpec(occ1List, occ2List);
if (pair != null && pair.length > 1) {
newElement.getConstrainedElements().add(pair[0]);
newElement.getConstrainedElements().add(pair[1]);
}
doConfigure(newElement, monitor, info);
((CreateElementRequest) getRequest()).setNewElement(newElement);
return CommandResult.newOKCommandResult(newElement);
}
protected Namespace getNamespace(EObject element) {
if (element instanceof Namespace) {
return (Namespace) element;
}
if (element instanceof CombinedFragment) {
return ((CombinedFragment) element).getNamespace();
}
return getNamespace(element.eContainer());
}
}
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