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/*******************************************************************************
* Copyright (c) 2010 THALES GLOBAL SERVICES.
* 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.sirius.diagram.ui.tools.internal.testers;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.sirius.diagram.DDiagramElement;
import org.eclipse.sirius.diagram.business.api.query.DDiagramElementQuery;
/**
* A tester to check if the selection has a label that can be hidden.
*
* @author lredor
*/
public class DModelElementWithLabelPropertyTester extends PropertyTester {
/**
* Constructor.
*/
public DModelElementWithLabelPropertyTester() {
// Nothing
}
/**
* {@inheritDoc}
*
* @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object,
* java.lang.String, java.lang.Object[], java.lang.Object)
*/
public boolean test(final Object receiver, final String property, final Object[] args, final Object expectedValue) {
boolean result = false;
if (receiver instanceof IGraphicalEditPart) {
final IGraphicalEditPart part = (IGraphicalEditPart) receiver;
if ("isDModelElementWithLabel".equals(property)) { //$NON-NLS-1$
final EObject model = part.resolveSemanticElement();
if (model instanceof DDiagramElement) {
result = new DDiagramElementQuery((DDiagramElement) model).canHideLabel();
}
}
}
return result;
}
}
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