Copyright (c) 2012 itemis AG (http://www.itemis.eu) 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
- Michael Clay - Initial contribution and API
if (other.selection != null)
} else if (!selection.equals(other.selection))
if (other.workbenchPart != null)