Bug 117015 [refactoring] Rename type should not rely on ".java"
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/wizards/NewTypeWizardPage.java
* Creates the controls for the superclass name field. Expects a <code>GridLayout</code> 
	 * with at least 3 columns.
	 * 
	 * @param composite the parent composite
	 * @param nColumns number of columns to span
	 */		
	protected void createSuperClassControls(Composite composite, int nColumns) {
		fSuperClassDialogField.doFillIntoGrid(composite, nColumns);
		Text text= fSuperClassDialogField.getTextControl(null);
		LayoutUtil.setWidthHint(text, getMaxFieldWidth());
		
		JavaTypeCompletionProcessor superClassCompletionProcessor= new JavaTypeCompletionProcessor(false, false);
		superClassCompletionProcessor.setCompletionContextRequestor(new CompletionContextRequestor() {
			public StubTypeContext getStubTypeContext() {
				return getSuperClassStubTypeContext();
			}
		});
		ControlContentAssistHelper.createTextContentAssistant(text, superClassCompletionProcessor);
		TextFieldNavigationHandler.install(text);
	}
	/**
	 * Creates the controls for the superclass name field. Expects a <code>GridLayout</code> with 
	 * at least 3 columns.
	 * 
	 * @param composite the parent composite
	 * @param nColumns number of columns to span
	 */			
	protected void createSuperInterfacesControls(Composite composite, int nColumns) {
		final String INTERFACE= "interface"; 
		fSuperInterfacesDialogField.doFillIntoGrid(composite, nColumns);