Bug 153993 [Viewers] Common Baseclass for Tree/TableEditorImpl
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
for (int i = 0; i < items.length; i++) {
			Item item = items[i];
			Object data = item.getData();
			if (data != null && equals(data, element)) {
				return item;
			}
		}
		return null;
	}
	/**
	 * Recursively tries to find the given element.
	 * 
	 * @param parent
	 *            the parent item
	 * @param element
	 *            the element
	 * @return Widget
	 */
	private Widget internalFindItem(Item parent, Object element) {
		
		Object data = parent.getData();
		if (data != null) {
			if (equals(data, element)) {
				return parent;
			}
		}
		
		Item[] items = getChildren(parent);
		for (int i = 0; i < items.length; i++) {
			Item item = items[i];