Bug 153993 [Viewers] Common Baseclass for Tree/TableEditorImpl
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
/**
	 * This implementation of setSelectionToWidget accepts a list of elements or
	 * a list of tree paths.
	 */
	protected void setSelectionToWidget(List v, boolean reveal) {
		if (v == null) {
			setSelection(new ArrayList(0));
			return;
		}
		int size = v.size();
		List newSelection = new ArrayList(size);
		for (int i = 0; i < size; ++i) {
			Object elementOrTreePath = v.get(i);
			
			
			Widget w = internalExpand(elementOrTreePath, false);
			if (w instanceof Item) {
				newSelection.add(w);
			} else if (w == null && elementOrTreePath instanceof TreePath) {
				TreePath treePath = (TreePath) elementOrTreePath;
				Object element = treePath.getLastSegment();
				if (element != null) {
					w = internalExpand(element, false);
					if (w instanceof Item) {
						newSelection.add(w);
					}
				}
			}
		}
		setSelection(newSelection);