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/*******************************************************************************
* Copyright (c) 2013 Obeo.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.emf.compare.diagram.internal.factories.extensions;
import org.eclipse.emf.compare.AttributeChange;
import org.eclipse.emf.compare.Diff;
import org.eclipse.emf.compare.DifferenceKind;
import org.eclipse.emf.compare.DifferenceSource;
import org.eclipse.emf.compare.diagram.internal.extensions.ExtensionsFactory;
import org.eclipse.emf.compare.diagram.internal.extensions.Show;
import org.eclipse.emf.compare.diagram.internal.factories.AbstractDiagramChangeFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
/**
* Factory of show changes.
*
* @author <a href="mailto:cedric.notot@obeo.fr">Cedric Notot</a>
*/
public class ShowFactory extends AbstractDiagramChangeFactory {
@Override
public Class<? extends Diff> getExtensionKind() {
return Show.class;
}
@Override
public Show createExtension() {
return ExtensionsFactory.eINSTANCE.createShow();
}
@Override
public void setRefiningChanges(Diff extension, DifferenceKind extensionKind, Diff refiningDiff) {
extension.getRefinedBy().add(refiningDiff);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.compare.internal.postprocessor.factories.AbstractChangeFactory#isRelatedToAnExtensionChange(org.eclipse.emf.compare.AttributeChange)
*/
@Override
protected boolean isRelatedToAnExtensionChange(AttributeChange input) {
if (input.getAttribute().equals(NotationPackage.eINSTANCE.getView_Visible())) {
final EObject right = input.getMatch().getRight();
if (right instanceof View) {
final View rightView = (View)right;
final boolean cond1 = !rightView.isVisible() && input.getSource() != DifferenceSource.RIGHT;
final boolean cond2 = rightView.isVisible() && input.getSource() == DifferenceSource.RIGHT;
return cond1 || cond2;
}
}
return false;
}
}
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