| /******************************************************************************* |
| * Copyright (c) 2012 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.viewers.model.provisional; |
| |
| /** |
| * Interface for listeners that need to be notified when items |
| * are disposed or revealed. It should be implemented by the viewer. |
| * |
| * @see VirtualTreeModelViewer |
| * @since 3.8 |
| */ |
| public interface IVirtualItemListener { |
| |
| /** |
| * Called when the item has been shown in the virtual viewer's |
| * view-port. This indicates to the viewer that it should check |
| * the item's status and request needed data. |
| * |
| * @param item The item that was revealed. |
| */ |
| void revealed(VirtualItem item); |
| |
| /** |
| * Called when an item is disposed. It tells the viewer to |
| * clean up any remaining mappings and cached data of this item. |
| * |
| * @param item The itam that was disposed. |
| */ |
| void disposed(VirtualItem item); |
| } |
