net.sf.jasperreports.components.sort.actions.RemoveSortFieldCommand Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 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.components.sort.actions;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JRSortField;
import net.sf.jasperreports.engine.design.JRDesignDataset;
import net.sf.jasperreports.web.commands.Command;
/**
* @author Teodor Danciu ([email protected])
*/
public class RemoveSortFieldCommand implements Command
{
private JRDesignDataset dataset;
private JRSortField sortField;
private int removeIndex;
/**
*
*/
public RemoveSortFieldCommand(JRDesignDataset dataset, JRSortField sortField)
{
this.dataset = dataset;
this.sortField = sortField;
}
@Override
public void execute()
{
removeIndex = dataset.getSortFieldsList().indexOf(sortField);
if (removeIndex >= 0)
{
dataset.removeSortField(sortField);
}
}
@Override
public void undo()
{
if (removeIndex >= 0)
{
try
{
dataset.addSortField(removeIndex, sortField);
}
catch (JRException e)
{
throw new JRRuntimeException(e);
}
}
}
@Override
public void redo()
{
execute();
}
}