| /******************************************************************************* |
| * Copyright (c) 2001, 2006 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.wst.xsd.ui.internal.adt.design.editparts; |
| import java.util.List; |
| import org.eclipse.gef.EditPart; |
| |
| |
| public class EditPartNavigationHandlerUtil |
| { |
| public static EditPart getFirstChild(EditPart editPart) |
| { |
| EditPart result = null; |
| if (editPart.getChildren().size() > 0) |
| { |
| result = (EditPart)editPart.getChildren().get(0); |
| } |
| return result; |
| } |
| |
| public static EditPart getLastChild(EditPart editPart) |
| { |
| EditPart result = null; |
| int size = editPart.getChildren().size(); |
| if (size > 0) |
| { |
| result = (EditPart)editPart.getChildren().get(size - 1); |
| } |
| return result; |
| } |
| |
| public static EditPart getNextSibling(EditPart editPart) |
| { |
| EditPart result = null; |
| EditPart parent = editPart.getParent(); |
| if (parent != null) |
| { |
| List children = parent.getChildren(); |
| int index = children.indexOf(editPart); |
| if (index + 1 < children.size()) |
| { |
| result = (EditPart)children.get(index + 1); |
| } |
| } |
| return result; |
| } |
| |
| public static EditPart getPrevSibling(EditPart editPart) |
| { |
| EditPart result = null; |
| EditPart parent = editPart.getParent(); |
| if (parent != null) |
| { |
| List children = parent.getChildren(); |
| int index = children.indexOf(editPart); |
| if (index - 1 >= 0) |
| { |
| // if this is the first child |
| // |
| result = (EditPart)children.get(index - 1); |
| } |
| } |
| return result; |
| } |
| } |