comparison org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/observable/tree/IChildrenUpdate.d @ 78:0a55d2d5a946

Added file for databinding
author Frank Benoit <benoit@tionex.de>
date Tue, 14 Apr 2009 11:35:29 +0200
parents
children 383ce7bd736b
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76:f05e6e8b2f2d 78:0a55d2d5a946
1 /*******************************************************************************
2 * Copyright (c) 2006, 2007 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 *******************************************************************************/
11 module org.eclipse.core.internal.databinding.observable.tree.IChildrenUpdate;
12
13 import java.lang.all;
14
15 /**
16 * Context sensitive children update request for a parent and subrange of its
17 * children.
18 *
19 * @since 3.3
20 */
21 public interface IChildrenUpdate : IViewerUpdate {
22
23 /**
24 * Returns the parent element that children are being requested for
25 * as a tree path. An empty path identifies the root element.
26 *
27 * @return parent element as a tree path
28 */
29 public TreePath getParent();
30
31 /**
32 * Returns the offset at which children have been requested for. This is
33 * the index of the first child being requested.
34 *
35 * @return offset at which children have been requested for
36 */
37 public int getOffset();
38
39 /**
40 * Returns the number of children requested.
41 *
42 * @return number of children requested
43 */
44 public int getLength();
45
46 /**
47 * Sets the child for this request's parent at the given offset.
48 *
49 * @param child child
50 * @param index child offset
51 *
52 * TODO: what to do with <code>null</code>
53 */
54 public void setChild(Object child, int index);
55 }