Bug 29163 SafeRunnable needs to be accessible in JFace
We need to be able to access the SafeRunnable in JFace in order that some error protection can be added to preferences and properties dialogs.
bundles/org.eclipse.ui.workbench/extensions/org/eclipse/jface/wizard/WizardSelectionPage.java
package org.eclipse.jface.wizard;
/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */
import java.util.ArrayList;
import java.util.List;
/**
 * An abstract implementation of a wizard page that manages a
 * set of embedded wizards.
 * <p>
 * A wizard selection page should present a list of wizard nodes 
 * corresponding to other wizards. When the end user selects one of
 * them from the list, the first page of the selected wizard becomes
 * the next page. The only new methods introduced by this class are 
 * <code>getSelectedNode</code> and <code>setSelectedNode</code>. 
 * Otherwise, the subclass contract is the same as <code>WizardPage</code>.
 * </p>
 */
public abstract class WizardSelectionPage extends WizardPage {
	/**
	 * The selected node; <code>null</code> if none.
	 */
	private IWizardNode selectedNode = null;
	
	/**