Bug 172814 [Viewers] Rename AbstractViewerEditor to ColumnViewerEditor
There is no "AbstractViewer", and this class is referenced from ColumnViewer. To make the names more consistent, it should be called ColumnViewerEditor, not AbstractViewerEditor.
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
/**
	 * Returns <code>true</code> if the given list and array of items refer to
	 * the same model elements. Order is unimportant.
	 * <p>
	 * This method is not intended to be overridden by subclasses.
	 * </p>
	 * 
	 * @param items
	 *            the list of items
	 * @param current
	 *            the array of items
	 * @return <code>true</code> if the refer to the same elements,
	 *         <code>false</code> otherwise
	 * 
	 * @since 3.1 in TreeViewer, moved to AbstractTreeViewer in 3.3
	 */
	protected boolean isSameSelection(List items, Item[] current) {
		
		int n = items.size();
		if (n != current.length) {
			return false;
		}
		CustomHashtable itemSet = newHashtable(n * 2 + 1);
		for (Iterator i = items.iterator(); i.hasNext();) {
			Item item = (Item) i.next();
			Object element = item.getData();
			itemSet.put(element, element);
		}