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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.crosstabs.interactive;
import net.sf.jasperreports.crosstabs.JRCrosstabRowGroup;
import net.sf.jasperreports.crosstabs.design.JRDesignCrosstab;
import net.sf.jasperreports.crosstabs.design.JRDesignCrosstabBucket;
import net.sf.jasperreports.crosstabs.design.JRDesignCrosstabRowGroup;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.analytics.dataset.BucketOrder;
import net.sf.jasperreports.engine.fill.JRFillCrosstab;
import net.sf.jasperreports.web.commands.Command;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author Lucian Chirita ([email protected])
*/
public class SortRowGroupCommand implements Command
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private static final Log log = LogFactory.getLog(SortRowGroupCommand.class);
private final JRDesignCrosstab crosstab;
private final SortRowGroupData sortData;
private JRDesignCrosstabRowGroup rowGroup;
private boolean lastRowGroup;
private CrosstabOrderAttributes oldOrderAttributes;
private BucketOrder newOrder;
public SortRowGroupCommand(JRDesignCrosstab crosstab, SortRowGroupData sortData)
{
this.crosstab = crosstab;
this.sortData = sortData;
}
@Override
public void execute()
{
JRCrosstabRowGroup[] rowGroups = crosstab.getRowGroups();
rowGroup = (JRDesignCrosstabRowGroup) rowGroups[sortData.getGroupIndex()];
lastRowGroup = sortData.getGroupIndex() == rowGroups.length - 1;
oldOrderAttributes = new CrosstabOrderAttributes(crosstab);
newOrder = sortData.getOrder();
setOrder();
}
protected void setOrder()
{
oldOrderAttributes.prepareSorting();
if (log.isDebugEnabled())
{
log.debug("setting crosstab " + sortData.getCrosstabId() + " row group " + sortData.getGroupIndex()
+ " order to " + newOrder);
}
((JRDesignCrosstabBucket) rowGroup.getBucket()).setOrder(newOrder);
if (lastRowGroup && newOrder != BucketOrder.NONE)
{
// sorting the last row group, we need to reset the column order by
crosstab.getPropertiesMap().setProperty(JRFillCrosstab.PROPERTY_ORDER_BY_COLUMN, null);
}
}
@Override
public void undo()
{
oldOrderAttributes.restore();
}
@Override
public void redo()
{
setOrder();
}
}