/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2006 - 2009 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.plugin.jfreereport.reportcharts;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.RingPlot;
import org.jfree.data.general.Dataset;
import org.jfree.data.general.PieDataset;
public class RingChartExpression extends PieChartExpression
{
private static final long serialVersionUID = 8157232155813173422L;
private double sectionDepth;
public RingChartExpression()
{
sectionDepth = 0.5;
}
protected JFreeChart computeChart(final Dataset dataset)
{
PieDataset pieDataset = null;
if (dataset instanceof PieDataset)
{
pieDataset = (PieDataset) dataset;
}
return ChartFactory.createRingChart(computeTitle(), pieDataset, isShowLegend(), false, false);
}
protected void configureChart(final JFreeChart chart)
{
super.configureChart(chart);
final RingPlot ringPlot = (RingPlot) chart.getPlot();
ringPlot.setSectionDepth(sectionDepth);
}
public double getSectionDepth()
{
return sectionDepth;
}
public void setSectionDepth(final double sectionDepth)
{
this.sectionDepth = sectionDepth;
}
}