Bug 121034 [jar import] Cancel should undo all already executed refactorings
3.2 M4
org.eclipse.ltk.ui.refactoring/src/org/eclipse/ltk/ui/refactoring/history/RefactoringHistoryWizard.java
private int fCurrentRefactoring= 0;
	
	private RefactoringDescriptorProxy[] fDescriptorProxies= null;
	
	private final RefactoringHistoryErrorPage fErrorPage;
	
	private boolean fInAddPages= false;
	/**
	 * The no overview wizard page, or <code>null</code> if an overview is
	 * desired
	 */
	private NoOverviewWizardPage fNoOverviewPage;
	
	private final String fOverviewDescription;
	/**
	 * The overview wizard page, or <code>null</code> if no overview is
	 * desired
	 */
	private RefactoringHistoryOverviewPage fOverviewPage;
	
	private final String fOverviewTitle;
	
	private RefactoringPreviewChangeFilter fPreviewChangeFilter= new RefactoringPreviewChangeFilter() {
		/**
		 * {@inheritDoc}
		 */
		public final boolean select(final Change change) {
			return selectPreviewChange(change);
		}