Bug 154064 Need a way to access the TreeItem or TableItem on a refresh
It is not currently possible to know when an item is refreshed. This is required for ownerDraw support in viewers.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TableViewer.java
return table;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.viewers.ContentViewer#hookControl(org.eclipse.swt.widgets.Control)
	 */
	protected void hookControl(Control control) {
		super.hookControl(control);
		Table tableControl = (Table) control;
		tableControl.addMouseListener(new MouseAdapter() {
			public void mouseDown(MouseEvent e) {
				tableViewerImpl.handleMouseDown(e);
			}
		});
	}
	/*
	 * Returns the index where the item should be inserted.
	 */
	protected int indexForElement(Object element) {
		ViewerComparator comparator = getComparator();
		if (comparator == null) {
			return table.getItemCount();
		}
		int count = table.getItemCount();
		int min = 0, max = count - 1;
		while (min <= max) {
			int mid = (min + max) / 2;
			Object data = table.getItem(mid).getData();
			int compare = comparator.compare(this, data, element);