/*
* DynamicJasper: A library for creating reports dynamically by specifying
* columns, groups, styles, etc. at runtime. It also saves a lot of development
* time in many cases! (http://sourceforge.net/projects/dynamicjasper)
*
* Copyright (C) 2008 FDV Solutions (http://www.fdvsolutions.com)
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
*
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*
*/
package ar.com.fdvs.dj.domain.chart.dataset;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.charts.design.JRDesignPieDataset;
import net.sf.jasperreports.charts.design.JRDesignPieSeries;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.design.JRDesignChartDataset;
import net.sf.jasperreports.engine.design.JRDesignExpression;
import net.sf.jasperreports.engine.design.JRDesignGroup;
import net.sf.jasperreports.engine.design.JRDesignVariable;
import ar.com.fdvs.dj.domain.DynamicJasperDesign;
import ar.com.fdvs.dj.domain.entities.Entity;
import ar.com.fdvs.dj.domain.entities.columns.AbstractColumn;
import ar.com.fdvs.dj.domain.entities.columns.PropertyColumn;
public class PieDataset extends AbstractDataset {
private static final long serialVersionUID = Entity.SERIAL_VERSION_UID;
private PropertyColumn key = null;
private List series = new ArrayList();
/**
* Sets the key column.
*
* @param key the key column
**/
public void setKey(PropertyColumn key) {
this.key = key;
}
/**
* Returns the key column.
*
* @return the key column
**/
public PropertyColumn getKey() {
return key;
}
/**
* Adds the specified serie column to the dataset.
*
* @param column the serie column
**/
public void addSerie(AbstractColumn column) {
series.add(column);
}
/**
* Removes the specified serie column from the dataset.
*
* @param column the serie column
**/
public void removeSerie(AbstractColumn column) {
series.remove(column);
}
/**
* Removes all defined series.
*/
public void clearSeries() {
series.clear();
}
/**
* Returns a list of all the defined series. Every entry in the list is of type AbstractColumn.
* If there are no defined series this method will return an empty list, not null.
*
* @return the list of series
**/
public List getSeries() {
return series;
}
public JRDesignChartDataset transform(DynamicJasperDesign design, String name, JRDesignGroup group, JRDesignGroup parentGroup, Map vars) {
JRDesignPieDataset data = new JRDesignPieDataset(null);
for (Iterator iterator = series.iterator(); iterator.hasNext();) {
JRDesignPieSeries serie = new JRDesignPieSeries();
AbstractColumn column = (AbstractColumn) iterator.next();
//And use it as value for each bar
JRDesignExpression varExp = getExpressionFromVariable((JRDesignVariable) vars.get(column));
serie.setValueExpression(varExp);
//The key for each bar
JRExpression exp2 = group.getExpression();
serie.setKeyExpression(exp2);
data.addPieSeries(serie);
}
setResetStyle(data, group, parentGroup);
return data;
}
public List getColumns() {
return series;
}
public PropertyColumn getColumnsGroup() {
return key;
}
}