| /******************************************************************************* |
| * Copyright 2005, CHISEL Group, University of Victoria, Victoria, BC, Canada. |
| * 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: The Chisel Group, University of Victoria |
| *******************************************************************************/ |
| package org.eclipse.zest.layouts; |
| |
| import java.util.List; |
| |
| /** |
| * Extends LayoutEntity to provide methods for dealing with nested entities. |
| * |
| * @author Chris Callendar |
| */ |
| public interface NestedLayoutEntity extends LayoutEntity { |
| |
| /** Returns the parent entity. */ |
| NestedLayoutEntity getParent(); |
| |
| /** Returns the list of children. */ |
| List getChildren(); |
| |
| /** Returns true if this entity has children. */ |
| boolean hasChildren(); |
| |
| } |
