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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);
    }
}