net.sf.jasperreports.crosstabs.interactive.SortByColumnCommand Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jasperreports Show documentation
Show all versions of jasperreports Show documentation
Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 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 org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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.fill.calculation.OrderByColumnInfo;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.analytics.dataset.BucketOrder;
import net.sf.jasperreports.engine.fill.JRFillCrosstab;
import net.sf.jasperreports.web.commands.Command;
import net.sf.jasperreports.web.commands.CommandException;
import net.sf.jasperreports.web.util.JacksonUtil;
/**
* @author Lucian Chirita ([email protected])
*/
public class SortByColumnCommand implements Command
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private static final Log log = LogFactory.getLog(SortByColumnCommand.class);
private final JasperReportsContext jasperReportsContext;
private final JRDesignCrosstab crosstab;
private final SortByColumnData sortData;
private final JRCrosstabRowGroup lastRowGroup;
private CrosstabOrderAttributes oldOrderAttributes;
private String newOrderBy;
public SortByColumnCommand(JasperReportsContext jasperReportsContext, JRDesignCrosstab crosstab, SortByColumnData sortData)
{
this.jasperReportsContext = jasperReportsContext;
this.crosstab = crosstab;
this.sortData = sortData;
JRCrosstabRowGroup[] rowGroups = crosstab.getRowGroups();
lastRowGroup = rowGroups[rowGroups.length - 1];
}
@Override
public void execute() throws CommandException
{
oldOrderAttributes = new CrosstabOrderAttributes(crosstab);
BucketOrder order = sortData.getOrder();
if (order == BucketOrder.NONE)
{
newOrderBy = null;
}
else
{
OrderByColumnInfo orderByInfo = new OrderByColumnInfo();
orderByInfo.setMeasureIndex(sortData.getMeasureIndex());
orderByInfo.setOrder(BucketOrder.toSortOrderEnum(order));
orderByInfo.setColumnValues(sortData.getColumnValues());
newOrderBy = JacksonUtil.getInstance(jasperReportsContext).getJsonString(orderByInfo);
}
setOrder();
}
protected void setOrder()
{
oldOrderAttributes.prepareSorting();
if (log.isDebugEnabled())
{
log.debug("setting crosstab " + sortData.getCrosstabId() + " order by to " + newOrderBy);
}
if (newOrderBy == null)
{
crosstab.getPropertiesMap().removeProperty(JRFillCrosstab.PROPERTY_ORDER_BY_COLUMN);
}
else
{
crosstab.getPropertiesMap().setProperty(JRFillCrosstab.PROPERTY_ORDER_BY_COLUMN, newOrderBy);
// clearing the order of the last row group so that the ordering does not reappear when unsorting by the column
((JRDesignCrosstabBucket) lastRowGroup.getBucket()).setOrder(BucketOrder.NONE);
}
}
@Override
public void undo()
{
oldOrderAttributes.restore();
}
@Override
public void redo()
{
setOrder();
}
}