/******************************************************************************* | |
* Copyright (c) 2016 KPIT Technologies. | |
* | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v2.0 | |
* which accompanies this distribution, and is available at | |
* https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html | |
* | |
* SPDX-License-Identifier: EPL-2.0 | |
* | |
* Contributors: | |
* Jan Mauersberger- initial API and implementation | |
* Sascha Baumgart- initial API and implementation | |
*******************************************************************************/ | |
/* | |
* | |
*/ | |
package org.eclipse.opencert.vocabulary.diagram.edit.commands; | |
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.commands.EditElementCommand; | |
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest; | |
import org.eclipse.opencert.vocabulary.Term; | |
import org.eclipse.opencert.vocabulary.diagram.edit.policies.VocabularyBaseItemSemanticEditPolicy; | |
/** | |
* @generated | |
*/ | |
public class TermRefersToCreateCommand extends EditElementCommand { | |
/** | |
* @generated | |
*/ | |
private final EObject source; | |
/** | |
* @generated | |
*/ | |
private final EObject target; | |
/** | |
* @generated | |
*/ | |
public TermRefersToCreateCommand(CreateRelationshipRequest request, | |
EObject source, EObject target) { | |
super(request.getLabel(), null, request); | |
this.source = source; | |
this.target = target; | |
} | |
/** | |
* @generated | |
*/ | |
public boolean canExecute() { | |
if (source == null && target == null) { | |
return false; | |
} | |
if (source != null && false == source instanceof Term) { | |
return false; | |
} | |
if (target != null && false == target instanceof Term) { | |
return false; | |
} | |
if (getSource() == null) { | |
return true; // link creation is in progress; source is not defined yet | |
} | |
// target may be null here but it's possible to check constraint | |
return VocabularyBaseItemSemanticEditPolicy.getLinkConstraints() | |
.canCreateTermRefersTo_4006(getSource(), getTarget()); | |
} | |
/** | |
* @generated | |
*/ | |
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, | |
IAdaptable info) throws ExecutionException { | |
if (!canExecute()) { | |
throw new ExecutionException( | |
"Invalid arguments in create link command"); //$NON-NLS-1$ | |
} | |
if (getSource() != null && getTarget() != null) { | |
getSource().getRefersTo().add(getTarget()); | |
} | |
return CommandResult.newOKCommandResult(); | |
} | |
/** | |
* @generated | |
*/ | |
protected void setElementToEdit(EObject element) { | |
throw new UnsupportedOperationException(); | |
} | |
/** | |
* @generated | |
*/ | |
protected Term getSource() { | |
return (Term) source; | |
} | |
/** | |
* @generated | |
*/ | |
protected Term getTarget() { | |
return (Term) target; | |
} | |
} |