Bug 153993 [Viewers] Common Baseclass for Tree/TableEditorImpl
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/ColumnViewer.java
* 
				 * @see org.eclipse.jface.viewers.EditingSupport#getValue(java.lang.Object)
				 */
				public Object getValue(Object element) {
					return getCellModifier().getValue(element,
							(String) getColumnProperties()[columnIndex]);
				}
				/*
				 * (non-Javadoc)
				 * 
				 * @see org.eclipse.jface.viewers.EditingSupport#setValue(java.lang.Object,
				 *      java.lang.Object)
				 */
				public void setValue(Object element, Object value) {
					getCellModifier().modify(findItem(element),
							(String) getColumnProperties()[columnIndex], value);
				}
			});
		}
	}
	/**
	 * Create a ViewerColumn for the columnOwner.
	 * 
	 * @param columnOwner
	 * @param labelProvider
	 * @return ViewerColumn
	 */
	protected ViewerColumn createColumnViewer(Widget columnOwner,
			CellLabelProvider labelProvider) {
		return new ViewerColumn(columnOwner, labelProvider);