| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.dom; |
| |
| import org.w3c.dom.Node; |
| |
| /** |
| * This ref position use a parent node as reference. And provide whether this |
| * location is at the beginning of its parent or last of its parent. |
| * |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class DOMRefPosition2 implements IDOMRefPosition { |
| Node _parentNode; |
| |
| boolean _last; |
| |
| /** |
| * @param parent |
| * @param last |
| */ |
| public DOMRefPosition2(Node parent, boolean last) { |
| _parentNode = parent; |
| _last = last; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMRefPosition#getReferenceNode() |
| */ |
| public Node getReferenceNode() { |
| return _parentNode; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMPosition#getSibling(boolean) |
| */ |
| public Node getSibling(boolean forward) { |
| if (forward) { |
| if (_last) { |
| return null; |
| } |
| return _parentNode.getFirstChild(); |
| } else if (_last) { |
| return _parentNode.getLastChild(); |
| } else { |
| return null; |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMPosition#getNextSiblingNode() |
| */ |
| public Node getNextSiblingNode() { |
| return getSibling(true); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMPosition#getPreviousSiblingNode() |
| */ |
| public Node getPreviousSiblingNode() { |
| return getSibling(false); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMPosition#getContainerNode() |
| */ |
| public Node getContainerNode() { |
| return _parentNode; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMPosition#getOffset() |
| */ |
| public int getOffset() { |
| if (!_last) { |
| return 0; |
| } |
| return _parentNode.getChildNodes().getLength(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMPosition#isText() |
| */ |
| public boolean isText() { |
| return false; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jst.pagedesigner.dom.IDOMPosition#handleReplacement(org.w3c.dom.Node, |
| * org.w3c.dom.Node) |
| */ |
| public IDOMPosition handleReplacement(Node original, Node replacement) { |
| if (original == _parentNode) { |
| return new DOMRefPosition2(replacement, _last); |
| } |
| return this; |
| } |
| |
| } |