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
composite.setLayout(new GridLayout());
		composite.setLayoutData(new GridData(GridData.VERTICAL_ALIGN_FILL
				| GridData.HORIZONTAL_ALIGN_FILL));
		PlatformUI.getWorkbench().getHelpSystem().setHelp(composite,
				IIDEHelpContextIds.NEW_FOLDER_WIZARD_PAGE);
		resourceGroup = new ResourceAndContainerGroup(composite, this,
				IDEWorkbenchMessages.WizardNewFolderMainPage_folderName,
				IDEWorkbenchMessages.WizardNewFolderMainPage_folderLabel,
				false, SIZING_CONTAINER_GROUP_HEIGHT);
		resourceGroup.setAllowExistingResources(false);
		createAdvancedControls(composite);
		initializePage();
		validatePage();
		
		setErrorMessage(null);
		setMessage(null);
		setControl(composite);
	}
	/**
	 * Creates a folder resource given the folder handle.
	 * 
	 * @param folderHandle
	 *            the folder handle to create a folder resource for
	 * @param monitor
	 *            the progress monitor to show visual progress with
	 * @exception CoreException
	 *                if the operation fails
	 * @exception OperationCanceledException
	 *                if the operation is canceled
	 *