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/*****************************************************************************
* Copyright (c) 2018 CEA LIST, EclipseSource and others.
*
* 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:
* EclipseSource - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.providers;
import org.eclipse.gef.EditPart;
import org.eclipse.gmf.runtime.common.core.service.AbstractProvider;
import org.eclipse.gmf.runtime.common.core.service.IOperation;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.diagram.ui.services.editpolicy.CreateEditPoliciesOperation;
import org.eclipse.gmf.runtime.diagram.ui.services.editpolicy.IEditPolicyProvider;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.AbstractMessageEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.policies.OccurenceSemanticEditPolicy;
import org.eclipse.uml2.uml.DestructionOccurrenceSpecification;
import org.eclipse.uml2.uml.ExecutionSpecification;
import org.eclipse.uml2.uml.Message;
import org.eclipse.uml2.uml.OccurrenceSpecification;
/**
* <p>
* An {@link IEditPolicyProvider} installing an {@link OccurenceSemanticEditPolicy} on
* {@link Message} and {@link ExecutionSpecification} edit parts.
* </p>
* <p>
* Note: it doesn't have to be installed on {@link DestructionOccurrenceSpecification}, because that
* edit part already directly represents a single {@link OccurrenceSpecification}.
* </p>
*/
public class SemanticOccurrenceEditPolicyProvider extends AbstractProvider implements IEditPolicyProvider {
@Override
public boolean provides(IOperation operation) {
if (false == operation instanceof CreateEditPoliciesOperation) {
return false;
}
CreateEditPoliciesOperation op = (CreateEditPoliciesOperation) operation;
EditPart editPart = op.getEditPart();
// Only install this on Message EditParts. We also need that policy for ExecSpecs,
// but CustomExecutionSpecificationEditPolicyProvider already takes care of that
return editPart instanceof AbstractMessageEditPart;
}
@Override
public void createEditPolicies(EditPart editPart) {
editPart.installEditPolicy(EditPolicyRoles.SEMANTIC_ROLE, new OccurenceSemanticEditPolicy());
}
}
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