Dialog.applyDialogFont(this);
		public ComparePreviewer(Composite parent) {			super(parent, SWT.BORDER | SWT.FLAT, true);			fCompareConfiguration= new CompareConfiguration();			fCompareConfiguration.setLeftEditable(false);			fCompareConfiguration.setLeftLabel(RefactoringUIMessages.ComparePreviewer_original_source); 			fCompareConfiguration.setRightEditable(false);			fCompareConfiguration.setRightLabel(RefactoringUIMessages.ComparePreviewer_refactored_source); 			addDisposeListener(new DisposeListener() {				public void widgetDisposed(DisposeEvent e) {					if (fImage != null && !fImage.isDisposed())						fImage.dispose();				}			});		}