Bug 190360 [pde viz] Nodes appear on top of one another
When the pde view is opened the nodes appear on top of one another.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/internal/navigator/resources/actions/CopyAction.java
boolean fileFoldersSelected = selectionIsOfType(IResource.FILE
                | IResource.FOLDER);
        if (!projSelected && !fileFoldersSelected) {
			return false;
		}
        
        if (projSelected && fileFoldersSelected) {
			return false;
		}
        	
        IContainer firstParent = ((IResource) selectedResources.get(0))
                .getParent();
        if (firstParent == null) {
			return false;
		}
        Iterator resourcesEnum = selectedResources.iterator();
        while (resourcesEnum.hasNext()) {
            IResource currentResource = (IResource) resourcesEnum.next();
            if (!currentResource.getParent().equals(firstParent)) {
				return false;
			}
            
            if (currentResource.getLocation() == null) {
				return false;
			}
        }
        return true;
    }
}