| /******************************************************************************* |
| * 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.common.commands; |
| |
| import org.w3c.dom.Element; |
| |
| /* |
| * This command is used from the extension view to edit extension elements |
| * and attributes which are implemented as DOM objects (not part of the EMF model) |
| * |
| * (trung) also used in XSDComplexTypeAdvancedSection to change attribute of |
| * specical attributes like block, restriction which is not part of EMF Model |
| */ |
| public class UpdateAttributeValueCommand extends BaseCommand |
| { |
| Element element; |
| String attributeName; |
| String attributeValue; |
| |
| /** Whether the attribute should be deleted if value to |
| * be set is an empty String or null */ |
| protected boolean deleteIfValueEmpty = false; |
| |
| public UpdateAttributeValueCommand(Element element, String attributeName, String attributeValue, boolean deleteIfValueEmpty) |
| { |
| this.element = element; |
| this.attributeName = attributeName; |
| this.attributeValue = attributeValue; |
| this.deleteIfValueEmpty = deleteIfValueEmpty; |
| } |
| |
| public UpdateAttributeValueCommand(Element element, String attributeName, String attributeValue) |
| { |
| this(element, attributeName, attributeValue, false); |
| } |
| |
| public void setDeleteIfEmpty(boolean v) |
| { |
| deleteIfValueEmpty = v; |
| } |
| |
| public void execute() |
| { |
| try |
| { |
| beginRecording(element); |
| if (deleteIfValueEmpty && |
| (attributeValue == null || attributeValue.equals("") ) ) |
| { |
| element.removeAttribute(attributeName); |
| } |
| else |
| { |
| element.setAttribute(attributeName, attributeValue); |
| } |
| } |
| finally |
| { |
| endRecording(); |
| } |
| } |
| } |