cdo/bundles/org.eclipse.papyrus.cdo.security/src/org/eclipse/papyrus/cdo/security/internal/conditions/EditUserCondition.java

/*****************************************************************************
 * Copyright (c) 2020 CEA LIST.
 *
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *  CEA LIST - Initial API and implementation
 *
 *****************************************************************************/

package org.eclipse.papyrus.cdo.security.internal.conditions;

import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.cdo.security.handlers.EditUserHandler;

public class EditUserCondition extends PropertyTester {

	private final static String propertyValue = "EditUserCondition";

	/**
	 * @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
	 *
	 * @param receiver
	 * @param property
	 * @param args
	 * @param expectedValue
	 * @return
	 */
	@Override
	public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
		if (!(expectedValue instanceof Boolean)
				|| !(propertyValue.equals(property))
				|| !(receiver instanceof IStructuredSelection)) {
			return false;// worst case, so we result false
		}
		return EditUserHandler.isValidSelection();
	}

}