/*******************************************************************************
 * Copyright (c) 2011-2012 EclipseSource Muenchen GmbH 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:
 * Eugen Neufeld - initial API and implementation
 * 
 *******************************************************************************/
package org.eclipse.emf.ecp.workspace.internal.ui;

import org.eclipse.emf.ecp.spi.core.InternalProject;

import org.eclipse.core.expressions.PropertyTester;

/**
 * Test weather an undo is possible on a project.
 * 
 * @author Tobias Verhoeven
 */
public class WorkspaceCanUndoTester extends PropertyTester {

	/** {@inheritDoc} **/
	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
		InternalProject project = (InternalProject) receiver;
		return Boolean.valueOf(project.getEditingDomain().getCommandStack().canUndo()).equals(expectedValue);
	}

}