Bug 38483 Delete: buttons on the 'Found Problems' page [refactoring]
20030604 1. make Java file read-only and delete a method in it 2. On the first dialog, press ok, a 'Found Problems' dialog shows up 3. The dialog has two buttons: Back and cancel Back is not too helpfull as you can't change anything on the first dialog Cancel should probably be better 'Ok'
org.eclipse.ltk.ui.refactoring/src/org/eclipse/ltk/ui/refactoring/RefactoringWizard.java
status= operation.getConditionCheckingStatus();
			}
			setConditionCheckingStatus(status, operation.getConditionCheckingStyle());
		} else {
			if (exception != null)
				ExceptionHandler.handle(exception, getContainer().getShell(), 
					RefactoringUIMessages.getString("RefactoringWizard.refactoring"),  
					RefactoringUIMessages.getString("RefactoringWizard.unexpected_exception")); 
		}
		Change change= operation.getChange();	
		return change;
	}
	
	public boolean performFinish() {
		Assert.isNotNull(fRefactoring);
		
		RefactoringWizardPage page= (RefactoringWizardPage)getContainer().getCurrentPage();
		return page.performFinish();
	}
	
	
	
	/**
	 * Note: This method is for internal use only. Clients are not allowed to call this method.
	 * 
	 * @param api internal instance to avoid access from external clients
	 * 
	 * @return whether the wizard has a preview page or not.
	 */
	public final boolean internalHasPreviewPage(InternalAPI api) {