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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
package com.sun.star.report.pentaho.model;

import com.sun.star.report.OfficeToken;
import com.sun.star.report.pentaho.OfficeNamespaces;

import org.jfree.report.JFreeReportInfo;
import org.jfree.report.expressions.Expression;
import org.jfree.report.structure.Section;

/**
 * An office group is a virtual section that contains the group header, footer
 * and either a detail section or another group.
 *
 * @author Thomas Morgner
 * @since 02.03.2007
 */
public class OfficeGroup extends Section
{

    public OfficeGroup()
    {
    }

    public boolean isStartNewColumn()
    {
        return OfficeToken.TRUE.equals(getAttribute(OfficeNamespaces.OOREPORT_NS, "start-new-column"));
    }

    public boolean isResetPageNumber()
    {
        return OfficeToken.TRUE.equals(getAttribute(OfficeNamespaces.OOREPORT_NS, "reset-page-number"));
    }

    public OfficeGroupSection getHeader()
    {
        final OfficeGroupInstanceSection instanceSection =
                (OfficeGroupInstanceSection) findFirstChild(JFreeReportInfo.REPORT_NAMESPACE, "group-instance");
        if (instanceSection == null)
        {
            return null;
        }
        return (OfficeGroupSection) instanceSection.findFirstChild(OfficeNamespaces.OOREPORT_NS, "group-header");

    }

    public OfficeGroupSection getFooter()
    {
        final OfficeGroupInstanceSection instanceSection =
                (OfficeGroupInstanceSection) findFirstChild(JFreeReportInfo.REPORT_NAMESPACE, "group-instance");
        if (instanceSection == null)
        {
            return null;
        }
        return (OfficeGroupSection) instanceSection.findFirstChild(OfficeNamespaces.OOREPORT_NS, "group-footer");

    }

    public Expression getGroupingExpression()
    {
        final OfficeGroupInstanceSection instanceSection =
                (OfficeGroupInstanceSection) findFirstChild(JFreeReportInfo.REPORT_NAMESPACE, "group-instance");
        if (instanceSection == null)
        {
            return null;
        }
        return instanceSection.getGroupingExpression();
    }
}