Bug 123775 [cleanup] Provide Select All/Deselect All/Select Default buttons on page to select fixes
I20060105-0800 For better usability, there should be buttons to control the selection behavior, eg. to execute one fix only (removing all unnecessary NLS tags)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/fix/CleanUpRefactoringWizard.java
IJavaElement[] parentsArray= (IJavaElement[])parents.toArray(new IJavaElement[parents.size()]);
				if (hasParents) {
					return smallestCommonParents(parentsArray);
				}
				return parentsArray;
			}
		}
		
		private IJavaElement getParent(IJavaElement element) {
			if (element instanceof ICompilationUnit) {
				return element.getParent();
			} else if (element instanceof IPackageFragment){
				return element.getParent().getParent();
			} else {
				return element.getParent();
			}
		}
		protected boolean performFinish() {
			initializeRefactoring();
			return super.performFinish();
		}
	
		public IWizardPage getNextPage() {
			initializeRefactoring();
			return super.getNextPage();
		}
		private void initializeRefactoring() {
			CleanUpRefactoring refactoring= (CleanUpRefactoring)getRefactoring();
			refactoring.clearCompilationUnits();