/*
* Copyright (c) 2015 Eike Stepper (Berlin, Germany) 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.emf.cdo.internal.ui;
import org.eclipse.emf.cdo.ui.Support;
import org.eclipse.core.expressions.PropertyTester;
/**
* @author Eike Stepper
*/
public class SupportPropertyTester extends PropertyTester
{
public SupportPropertyTester()
{
}
public boolean test(Object receiver, String property, Object[] args, Object expectedValue)
{
if (expectedValue == null)
{
expectedValue = Boolean.TRUE;
}
if ("history".equals(property))
{
return expectedValue.equals(Support.HISTORY.isAvailable());
}
if ("compare".equals(property))
{
return expectedValue.equals(Support.COMPARE.isAvailable());
}
return false;
}
}