Bug 54470 Eclipse should disallow usage of types defined in default package
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
fPackageStatus= new StatusInfo();
		fEnclosingTypeStatus= new StatusInfo();
		
		fCanModifyPackage= true;
		fCanModifyEnclosingType= true;
		updateEnableState();
					
		fTypeNameStatus= new StatusInfo();
		fSuperClassStatus= new StatusInfo();
		fSuperInterfacesStatus= new StatusInfo();
		fModifierStatus= new StatusInfo();
	}
	
	/**
	 * Initializes all fields provided by the page with a given selection.
	 * 
	 * @param elem the selection used to intialize this page or <code>
	 * null</code> if no selection was available
	 */
	protected void initTypePage(IJavaElement elem) {
		String initSuperclass= "java.lang.Object"; 
		ArrayList initSuperinterfaces= new ArrayList(5);
		IPackageFragment pack= null;
		IType enclosingType= null;
				
		if (elem != null) {
			
			pack= (IPackageFragment) elem.getAncestor(IJavaElement.PACKAGE_FRAGMENT);
			IType typeInCU= (IType) elem.getAncestor(IJavaElement.TYPE);