Bug 153993 [Viewers] Common Baseclass for Tree/TableEditorImpl
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/TableTreeViewer.java
return;
					}
                }
                tableViewerImpl.handleMouseDown(e);
            }
        });
    }
    /**
     * Returns whether there is an active cell editor.
     *
     * @return <code>true</code> if there is an active cell editor, and 
     *   <code>false</code> otherwise
     */
    public boolean isCellEditorActive() {
        return tableViewerImpl.isCellEditorActive();
    }
    /* (non-Javadoc)
     * Method declared in AbstractTreeViewer.
     */
    protected Item newItem(Widget parent, int flags, int ix) {
        TableTreeItem item;
        if (ix >= 0) {
            if (parent instanceof TableTreeItem) {
				item = new TableTreeItem((TableTreeItem) parent, flags, ix);
			} else {
				item = new TableTreeItem((TableTree) parent, flags, ix);
			}
        } else {
            if (parent instanceof TableTreeItem) {
				item = new TableTreeItem((TableTreeItem) parent, flags);