/*
 * Licensed Materials - Property of Perforce Software, Inc. 
 * © Copyright Perforce Software, Inc. 2014, 2021 
 * © Copyright IBM Corp. 2009, 2014
 * © Copyright ILOG 1996, 2009
 * All Rights Reserved.
 *
 * Note to U.S. Government Users Restricted Rights:
 * The Software and Documentation were developed at private expense and
 * are "Commercial Items" as that term is defined at 48 CFR 2.101,
 * consisting of "Commercial Computer Software" and
 * "Commercial Computer Software Documentation", as such terms are
 * used in 48 CFR 12.212 or 48 CFR 227.7202-1 through 227.7202-4,
 * as applicable.
 */

import ilog.views.gantt.IlvActivity;
import ilog.views.gantt.xml.IlvGanttDocumentWriter;
import ilog.views.gantt.xml.IlvSimpleActivityWriter;

import org.w3c.dom.Element;

/**
 * This class extends an <code>IlvSimpleActivityWriter</code>.
 * The method <code>writeActivity()</code> is overridden to
 * write a <code>CustomActivity</code> instead of an
 * <code>IlvSimpleActivity</code>.
 */
public class CustomActivityWriter
    extends IlvSimpleActivityWriter
{
  /**
   * Overrides the method <code>writeActivity()</code>
   * to write a <code>CustomActivity</code> instead of an
   * <code>IlvSimpleActivity</code>.
   * @param elem The element to write to.
   * @param activity The activity to write.
   * @param writeContext The write context.
   */
  Override
  public void writeActivity(Element elem, IlvActivity activity,
                            IlvGanttDocumentWriter.Context writeContext)
      throws Exception {
    if (!(activity instanceof CustomActivity))
      throw new Exception("A CustomActivity expected.");

    super.writeActivity(elem, activity, writeContext);
    int priority = ((CustomActivity) activity).getPriority();
    elem.setAttribute("priority", Integer.toString(priority));
  }

}