| /******************************************************************************* |
| * Copyright (c) 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.viewers; |
| |
| /** |
| * The ILazyContentProvider is the content provider |
| * for table viewers created using the SWT.VIRTUAL flag that |
| * only wish to return thier contents as they are queried. |
| * |
| * <strong>NOTE:</strong> As the ILazyContentProvider does |
| * not have API for determining the total item count any |
| * changes to the number of items for this object while |
| * require a call to <code>#setItemCount</code> on the |
| * viewer that uses it. |
| */ |
| public interface ILazyContentProvider extends IContentProvider { |
| /** |
| * Called when a previously-blank item becomes visible in the |
| * TableViewer. If the content provider knows the element |
| * at this row, it should respond by calling |
| * TableViewer#replace(Object, int). |
| * |
| * <strong>NOTE</strong> #updateElement(int index) can be used to determine selection |
| * values. TableViewer#replace(Object, int) is not called before |
| * returning from this method selections may have missing or stale elements. |
| * In this situation it is suggested that the selection is asked |
| * for again after he update. |
| * |
| * @param index The index that is being updateed in the |
| * table. |
| */ |
| public void updateElement(int index); |
| |
| } |
