updateButtonStates(StructuredSelection.EMPTY);
	public void createControl(Composite parent) {		initializeDialogUnits(parent);		Composite supercomposite= new Composite(parent, SWT.NONE);		supercomposite.setFont(parent.getFont());		supercomposite.setLayout(new GridLayout());		createIsEclipseNLSCheckbox(supercomposite);				createKeyPrefixField(supercomposite);		SashForm composite= new SashForm(supercomposite, SWT.VERTICAL);		composite.setFont(supercomposite.getFont());		GridData data= new GridData(GridData.FILL_BOTH);		composite.setLayoutData(data);		createTableViewer(composite);		createSourceViewer(composite);				createAccessorInfoComposite(supercomposite);		composite.setWeights(new int[]{65, 45});		validateKeys(false);		// promote control		setControl(supercomposite);		Dialog.applyDialogFont(supercomposite);		PlatformUI.getWorkbench().getHelpSystem().setHelp(supercomposite, IJavaHelpContextIds.EXTERNALIZE_WIZARD_KEYVALUE_PAGE);	}