Bug 238299 [Viewers] Collapse All before expanding class/array suppresses display of all but first child node
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
createChildren(item);
			}
			setExpanded((Item) item, expanded);
		}
	}
	/**
	 * Sets the selection to the given list of items.
	 *
	 * @param items
	 *            list of items (element type:
	 *            <code>org.eclipse.swt.widgets.Item</code>)
	 */
	protected abstract void setSelection(List items);
	/**
	 * 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) {