Bug 296691 Change new Groups API to Virtual Resource API
If we decide that 'virtual' is the right naming for new resources concept, I will make the following changes. Add IResource#VIRTUAL flag to use in #create methods Add IResource#isVirtual indicating that a resource is virtual Remove IResource#isGroup Remove IFolder#createGroup
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardNewFolderMainPage.java
private Button useLinkedResource;
	
	private Button filterButton;
	
	private CreateLinkedResourceGroup linkedResourceGroup;
	private Composite advancedComposite;
	private Composite linkedResourceComposite;
	private Composite linkedGroupComposite;
	private UIResourceFilterDescription[] filterList = null;
	
	/**
	 * Height of the "advanced" linked resource group. Set when the advanced
	 * group is first made visible.
	 */
	private int linkedResourceGroupHeight = -1;
	/**
	 * First time the advanced group is validated.
	 */
	private boolean firstLinkCheck = true;
	/**
	 * Creates a new folder creation wizard page. If the initial resource
	 * selection contains exactly one container resource then it will be used as
	 * the default container resource.
	 * 
	 * @param pageName
	 *            the name of the page
	 * @param selection
	 *            the current resource selection
	 */
	public WizardNewFolderMainPage(String pageName,