Mercurial > projects > dwt2
diff 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> |
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date | Tue, 14 Apr 2009 11:35:29 +0200 |
parents | |
children | 383ce7bd736b |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/observable/tree/IChildrenUpdate.d Tue Apr 14 11:35:29 2009 +0200 @@ -0,0 +1,55 @@ +/******************************************************************************* + * 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 + *******************************************************************************/ +module org.eclipse.core.internal.databinding.observable.tree.IChildrenUpdate; + +import java.lang.all; + +/** + * 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); +}