/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. 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 <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.components.spiderchart;
import java.util.HashMap;
import java.util.Map;
import net.sf.jasperreports.charts.JRCategorySeries;
import net.sf.jasperreports.charts.fill.JRFillCategorySeries;
import net.sf.jasperreports.charts.util.CategoryLabelGenerator;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.fill.JRCalculator;
import net.sf.jasperreports.engine.fill.JRExpressionEvalException;
import net.sf.jasperreports.engine.fill.JRFillElementDataset;
import net.sf.jasperreports.engine.fill.JRFillObjectFactory;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.data.category.DefaultCategoryDataset;
/**
* @author sanda zaharia (shertage@users.sourceforge.net)
* @version $Id: FillSpiderDataset.java 3877 2010-07-14 15:25:08Z shertage $
*/
public class FillSpiderDataset extends JRFillElementDataset implements SpiderDataset
{
/**
*
*/
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
/**
*
*/
protected JRFillCategorySeries[] categorySeries;
private DefaultCategoryDataset dataset;
private Map labelsMap;
private Map itemHyperlinks;
/**
*
*/
public FillSpiderDataset(
SpiderDataset spiderDataset,
JRFillObjectFactory factory
)
{
super(spiderDataset, factory);
/* */
JRCategorySeries[] srcCategorySeries = spiderDataset.getSeries();
if (srcCategorySeries != null && srcCategorySeries.length > 0)
{
categorySeries = new JRFillCategorySeries[srcCategorySeries.length];
for(int i = 0; i < srcCategorySeries.length; i++)
{
categorySeries[i] = (JRFillCategorySeries)factory.getCategorySeries(srcCategorySeries[i]);
}
}
}
/**
*
*/
public JRCategorySeries[] getSeries()
{
return categorySeries;
}
/**
*
*/
protected void customInitialize()
{
dataset = null;
labelsMap = null;
itemHyperlinks = null;
}
/**
*
*/
protected void customEvaluate(JRCalculator calculator) throws JRExpressionEvalException
{
if (categorySeries != null && categorySeries.length > 0)
{
for(int i = 0; i < categorySeries.length; i++)
{
categorySeries[i].evaluate(calculator);
}
}
}
/**
*
*/
protected void customIncrement()
{
if (categorySeries != null && categorySeries.length > 0)
{
if (dataset == null)
{
dataset = new DefaultCategoryDataset();
labelsMap = new HashMap();
itemHyperlinks = new HashMap();
}
for(int i = 0; i < categorySeries.length; i++)
{
JRFillCategorySeries crtCategorySeries = categorySeries[i];
Comparable seriesName = crtCategorySeries.getSeries();
if (seriesName == null)
{
throw new JRRuntimeException("Category series name is null.");
}
dataset.addValue(
crtCategorySeries.getValue(),
crtCategorySeries.getSeries(),
crtCategorySeries.getCategory()
);
if (crtCategorySeries.getLabelExpression() != null)
{
Map seriesLabels = (Map)labelsMap.get(seriesName);
if (seriesLabels == null)
{
seriesLabels = new HashMap();
labelsMap.put(seriesName, seriesLabels);
}
seriesLabels.put(crtCategorySeries.getCategory(), crtCategorySeries.getLabel());
}
if (crtCategorySeries.hasItemHyperlinks())
{
Map seriesLinks = (Map) itemHyperlinks.get(seriesName);
if (seriesLinks == null)
{
seriesLinks = new HashMap();
itemHyperlinks.put(seriesName, seriesLinks);
}
seriesLinks.put(crtCategorySeries.getCategory(), crtCategorySeries.getPrintItemHyperlink());
}
}
}
}
/**
*
*/
public DefaultCategoryDataset getCustomDataset()
{
return dataset;
}
/**
*
*/
public StandardCategoryItemLabelGenerator getLabelGenerator()
{
return labelsMap != null ? new CategoryLabelGenerator(labelsMap) : new StandardCategoryItemLabelGenerator();
}
/**
*
*/
public void collectExpressions(JRExpressionCollector collector)
{
SpiderChartCompiler.collectExpressions(this, collector);
}
public Map getItemHyperlinks()
{
return itemHyperlinks;
}
public boolean hasItemHyperlinks()
{
boolean foundLinks = false;
if (categorySeries != null && categorySeries.length > 0)
{
for (int i = 0; i < categorySeries.length && !foundLinks; i++)
{
JRFillCategorySeries serie = categorySeries[i];
foundLinks = serie.hasItemHyperlinks();
}
}
return foundLinks;
}
public void finishDataset()
{
//one last increment is required in certain cases
increment();
}
}