Bug 153993 [Viewers] Common Baseclass for Tree/TableEditorImpl
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TreeViewer.java
*/
	protected boolean getExpanded(Item item) {
		return ((TreeItem) item).getExpanded();
	}
	/* (non-Javadoc)
	 * @see org.eclipse.jface.viewers.ColumnViewer#getItemAt(org.eclipse.swt.graphics.Point)
	 */
	protected Item getItemAt(Point p) {
		return getTree().getItem(p);
	}
	
	/*
	 * (non-Javadoc) Method declared in AbstractTreeViewer.
	 */
	protected int getItemCount(Control widget) {
		return ((Tree) widget).getItemCount();
	}
	/*
	 * (non-Javadoc) Method declared in AbstractTreeViewer.
	 */
	protected int getItemCount(Item item) {
		return ((TreeItem) item).getItemCount();
	}
	/*
	 * (non-Javadoc) Method declared in AbstractTreeViewer.
	 */
	protected Item[] getItems(Item item) {
		return ((TreeItem) item).getItems();
	}
	/**