Bug 56196 [Progress] Cannot create file when using repository
I200304250010 1) Create a new workspace 2) Add a repository connection 3) Create project A 4) Check out a larger project B While the check out is running 5) File>New>File 6) Select project B 7) Add a name 8) Press Finish -> File cannot be created because this is blocked by a background operation
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/WizardNewFolderMainPage.java
private static final int SIZING_CONTAINER_GROUP_HEIGHT = 250;
	private IStructuredSelection currentSelection;
	private IFolder newFolder;
	
	private IPath linkTargetPath;
	
	
	private ResourceAndContainerGroup resourceGroup;
	private Button advancedButton;
	private CreateLinkedResourceGroup linkedResourceGroup;
	private Composite linkedResourceParent;
	private Composite linkedResourceComposite;
	/**
	 * 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
 */