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
* {@inheritDoc}
		 */
		public boolean canFlipToNextPage() {
			return true;
		}
		/**
		 * {@inheritDoc}
		 */
		public void createControl(final Composite parent) {
			final Composite composite= new Composite(parent, SWT.NULL);
			composite.setLayout(new GridLayout());
			composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL | GridData.HORIZONTAL_ALIGN_FILL));
			setControl(composite);
			Dialog.applyDialogFont(composite);
			PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IRefactoringHelpContextIds.REFACTORING_PREVIEW_WIZARD_PAGE);
		}
		/**
		 * {@inheritDoc}
		 */
		public IWizardPage getNextPage() {
			return getWizard().getNextPage(this);
		}
		/**
		 * {@inheritDoc}
		 */
		public IWizardPage getPreviousPage() {
			return getWizard().getPreviousPage(this);
		}
		/**
		 * {@inheritDoc}