Bug 18071 Package Viewer: Too many refreshes
F1 - when a working copy is closed, it's package is updated - update on a package results in a refresh as the abstract filter claims that IMAGE is a filter property
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/JavaElementContentProvider.java
if (delta.getResourceDeltas() != null) {
			IResourceDelta[] rd= delta.getResourceDeltas();
			for (int i= 0; i < rd.length; i++) {
				processResourceDelta(rd[i], element);
			}
		}
		
		IJavaElementDelta[] affectedChildren= delta.getAffectedChildren();
		if (affectedChildren.length > 1) {
			
			if (element instanceof IPackageFragment) {
				IJavaElement parent= (IJavaElement)internalGetParent(element);
				
				
				if (element.equals(fInput)) {
					postRefresh(element);
				} else {
					postRefresh(parent);
				}
				return;
			}
			
			if (element instanceof IPackageFragmentRoot)
				postRefresh(skipProjectPackageFragmentRoot((IPackageFragmentRoot)element));
			else
				postRefresh(element);
			return;
		}
		for (int i= 0; i < affectedChildren.length; i++) {
			processDelta(affectedChildren[i]);