| /******************************************************************************* |
| * Copyright (c) 2001, 2009 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.eclipse.xsd.XSDParticle; |
| import org.eclipse.xsd.util.XSDConstants; |
| import org.w3c.dom.Element; |
| |
| public class UpdateMaxOccursCommand extends BaseCommand |
| { |
| private int oldMaxOccurs; |
| private int newMaxOccurs; |
| private boolean removeMaxOccursAttribute; |
| |
| XSDParticle particle; |
| |
| public UpdateMaxOccursCommand(String label, XSDParticle particle, int MaxOccurs) |
| { |
| super(label); |
| this.newMaxOccurs = MaxOccurs; |
| this.particle = particle; |
| } |
| |
| public void execute() |
| { |
| try |
| { |
| Element element = particle.getElement(); |
| beginRecording(element); |
| removeMaxOccursAttribute = (!(element.hasAttribute(XSDConstants.MAXOCCURS_ATTRIBUTE)))? true: false; |
| oldMaxOccurs = particle.getMaxOccurs(); |
| particle.setMaxOccurs(newMaxOccurs); |
| } |
| finally |
| { |
| endRecording(); |
| } |
| } |
| |
| public void redo() |
| { |
| execute(); |
| } |
| |
| public void undo() |
| { |
| if (removeMaxOccursAttribute) |
| { |
| particle.unsetMaxOccurs(); |
| } |
| else |
| { |
| particle.setMaxOccurs(oldMaxOccurs); |
| } |
| } |
| } |