| /******************************************************************************* |
| * Copyright (c) 2006, 2007 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.core.internal.databinding.observable.tree; |
| |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| |
| /** |
| * Objects that implement this interface are capable of describing a tree by |
| * returning the list of children of any given element in the tree. |
| * |
| * @since 3.3 |
| */ |
| public interface IOrderedTreeProvider { |
| /** |
| * Returns the children of the given element, or null if the element is a |
| * leaf node. The caller of this method is expected to dispose the result |
| * list when it is no longer needed. |
| * |
| * @param element |
| * the tree path of the element to query |
| * @return the children of the given element, or null if the element is a |
| * leaf node |
| */ |
| IObservableList createChildList(TreePath element); |
| |
| /** |
| * @return the realm shared by all child lists |
| */ |
| Realm getRealm(); |
| } |