Bug 25768 Package Explorer flashes too much on refresh and delete
build I20021105 - extracted a zip containing 22 non-Java files (.mxsd files from Dejan) into org.eclipse.ui - in Package Explorer, refreshed org.eclipse.ui - it flashed alot while refreshing - selected the 22 files and deleted them - it flashed even more
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/packageview/PackageExplorerContentProvider.java
}
	public Object getParent(Object child) {
		if (needsToDelegate(child)) {
			return fPackageFragmentProvider.getParent(child);
		} else
			return super.getParent(child);
	}
	/**
	 * Returns the given objects with the resources of the parent.
	 */
	private Object[] getWithParentsResources(Object[] existingObject, Object parent) {
		Object[] objects= super.getChildren(parent);
		List list= new ArrayList();
		
		for (int i= 0; i < objects.length; i++) {
			Object object= objects[i];
			if (!(object instanceof IPackageFragment)) {
				list.add(object);
			}
		}
		if (existingObject != null)
			list.addAll(Arrays.asList(existingObject));
		return list.toArray();
	}
	/* (non-Javadoc)
	 * Method declared on IContentProvider.
	 */
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
		super.inputChanged(viewer, oldInput, newInput);
		fPackageFragmentProvider.inputChanged(viewer, oldInput, newInput);