fQualifiedNameComponent.setEnabled(defaultSelection);
updateQulifiedNameUpdating(ref, defaultSelection);
	private void addOptionalUpdateQualifiedNameComponent(Composite parent, RowLayouter layouter, int marginWidth) {		final IQualifiedNameUpdating ref= (IQualifiedNameUpdating)getRefactoring().getAdapter(IQualifiedNameUpdating.class);		if (ref == null || !ref.canEnableQualifiedNameUpdating())			return;		fUpdateQualifiedNames= new Button(parent, SWT.CHECK);		int indent= marginWidth + fUpdateQualifiedNames.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;		fUpdateQualifiedNames.setText(RefactoringMessages.getString("RenameInputWizardPage.update_qualified_names")); //$NON-NLS-1$		layouter.perform(fUpdateQualifiedNames);				fQualifiedNameComponent= new QualifiedNameComponent(parent, SWT.NONE, ref, getRefactoringSettings());		layouter.perform(fQualifiedNameComponent);		GridData gd= (GridData)fQualifiedNameComponent.getLayoutData();		gd.horizontalAlignment= GridData.FILL;		gd.horizontalIndent= indent;				boolean defaultSelection= getBooleanSetting(UPDATE_QUALIFIED_NAMES, ref.getUpdateQualifiedNames());		fUpdateQualifiedNames.setSelection(defaultSelection);		fQualifiedNameComponent.setEnabled(defaultSelection);		fUpdateQualifiedNames.addSelectionListener(new SelectionAdapter() {			public void widgetSelected(SelectionEvent e) {				boolean enabled= ((Button)e.widget).getSelection();				fQualifiedNameComponent.setEnabled(enabled);				ref.setUpdateQualifiedNames(enabled);				updateForcePreview();			}		});	}