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
ArrayList v = new ArrayList();
		internalCollectVisibleExpanded(v, getControl());
		return v.toArray();
	}
	private void internalCollectVisibleExpanded(ArrayList result, Widget widget) {
		Item[] items = getChildren(widget);
		for (int i = 0; i < items.length; i++) {
			Item item = items[i];
			if (getExpanded(item)) {
				Object data = item.getData();
				if (data != null) {
					result.add(data);
				}
				
				
				internalCollectVisibleExpanded(result, item);
			}
		}
	}
	/**
	 * Returns the tree path for the given item.
	 * @param item
	 * @return {@link TreePath}
	 * 
	 * @since 3.2
	 */
	protected TreePath getTreePathFromItem(Item item) {
		LinkedList segments = new LinkedList();
		while (item != null) {
			Object segment = item.getData();