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/*******************************************************************************
* 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();
}
}
}
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