Mercurial > projects > dwt2
view org.eclipse.core.databinding.observable/src/org/eclipse/core/internal/databinding/observable/tree/IChildrenUpdate.d @ 95:6208d4f6a277
Added trees for databinding.beans and observable
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 21 Apr 2009 10:55:51 +0200 |
parents | |
children | b74ac5dfcc06 |
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/******************************************************************************* * 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; /** * Context sensitive children update request for a parent and subrange of its * children. * * @since 3.3 */ public interface IChildrenUpdate : IViewerUpdate { /** * Returns the parent element that children are being requested for * as a tree path. An empty path identifies the root element. * * @return parent element as a tree path */ public TreePath getParent(); /** * Returns the offset at which children have been requested for. This is * the index of the first child being requested. * * @return offset at which children have been requested for */ public int getOffset(); /** * Returns the number of children requested. * * @return number of children requested */ public int getLength(); /** * Sets the child for this request's parent at the given offset. * * @param child child * @param index child offset * * TODO: what to do with <code>null</code> */ public void setChild(Object child, int index); }