/**
* Copyright (c) 2013 committers of YAKINDU 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:
* committers of YAKINDU - initial API and implementation
*
*/
package org.yakindu.sct.refactoring.handlers;
import java.util.Collections;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.ISelection;
import org.yakindu.sct.refactoring.refactor.AbstractRefactoring;
import org.yakindu.sct.ui.editor.editparts.StateEditPart;
import com.google.common.collect.Lists;
/**
* Base class for all refactoring handlers working on a single {@link View}.
* This is typically the case when refactorings need to modify layout settings.
*
* @author thomas kutz - Initial contribution and API
*
*/
public abstract class AbstractViewRefactoringHandler extends
AbstractRefactoringHandler<View> {
@Override
public void setContext(AbstractRefactoring<View> refactoring,
ISelection selection) {
StateEditPart firstElement = (StateEditPart) getFirstElement(selection);
if (firstElement == null) {
refactoring.setContextObjects(Collections.<View>emptyList());
} else {
refactoring.setContextObjects(Lists.newArrayList(firstElement
.getNotationView()));
}
}
}