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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.layoutprocessor;

import com.sun.star.report.pentaho.model.FixedTextElement;

import org.jfree.report.DataSourceException;
import org.jfree.report.ReportDataFactoryException;
import org.jfree.report.ReportProcessingException;
import org.jfree.report.data.GlobalMasterRow;
import org.jfree.report.data.ReportDataRow;
import org.jfree.report.flow.FlowController;
import org.jfree.report.flow.ReportContext;
import org.jfree.report.flow.ReportTarget;
import org.jfree.report.flow.layoutprocessor.LayoutController;
import org.jfree.report.flow.layoutprocessor.LayoutControllerFactory;
import org.jfree.report.structure.Section;

/**
 * Processes a fixed-text element of the OpenOffice reporting specifciation.
 * The element itself contains a single paragraph which contains the content.
 * After checking, whether this element should be printed, this layout
 * controller simply delegates the dirty work to a suitable handler.
 *
 * @author Thomas Morgner
 * @noinspection CloneableClassWithoutClone
 * @since 05.03.2007
 */
public class FixedTextLayoutController
        extends AbstractReportElementLayoutController
{

    public FixedTextLayoutController()
    {
    }

    protected boolean isValueChanged()
    {
        final FlowController controller = getFlowController();
        final GlobalMasterRow masterRow = controller.getMasterRow();
        final ReportDataRow reportDataRow = masterRow.getReportDataRow();
        return reportDataRow.getCursor() == 0;
    }

    protected LayoutController delegateContentGeneration(final ReportTarget target)
            throws ReportProcessingException, ReportDataFactoryException,
            DataSourceException
    {
        final FixedTextElement fte = (FixedTextElement) getNode();
        final Section content = fte.getContent();

        final FlowController flowController = getFlowController();
        final ReportContext reportContext = flowController.getReportContext();
        final LayoutControllerFactory layoutControllerFactory =
                reportContext.getLayoutControllerFactory();

        final FixedTextLayoutController flc = (FixedTextLayoutController) clone();
        flc.setState(AbstractReportElementLayoutController.FINISHED);
        return layoutControllerFactory.create(flowController, content, flc);
    }
}