/*
* 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.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.charts.design.JRDesignXyDataset;
import net.sf.jasperreports.charts.design.JRDesignXySeries;
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.CustomExpression;
import ar.com.fdvs.dj.domain.DynamicJasperDesign;
import ar.com.fdvs.dj.domain.StringExpression;
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;
import ar.com.fdvs.dj.domain.hyperlink.LiteralExpression;
import ar.com.fdvs.dj.util.ExpressionUtils;
public class XYDataset extends AbstractDataset {
private static final long serialVersionUID = Entity.SERIAL_VERSION_UID;
private PropertyColumn xValue = null;
private List series = new ArrayList();
private Map seriesLabels = new HashMap();
/**
* Sets the x value column.
*
* @param xValue the x value column
**/
public void setXValue(PropertyColumn xValue) {
this.xValue = xValue;
}
/**
* Returns the x value column.
*
* @return the x value column
**/
public PropertyColumn getXValue() {
return xValue;
}
/**
* Adds the specified serie column to the dataset.
*
* @param column the serie column
**/
public void addSerie(AbstractColumn column) {
series.add(column);
}
/**
* Adds the specified serie column to the dataset with custom label.
*
* @param column the serie column
* @param label column the custom label
**/
public void addSerie(AbstractColumn column, String label) {
addSerie(column, new LiteralExpression(label));
}
/**
* Adds the specified serie column to the dataset with custom label expression.
*
* @param column the serie column
* @param labelExpression column the custom label expression
**/
public void addSerie(AbstractColumn column, StringExpression labelExpression) {
series.add(column);
seriesLabels.put(column, labelExpression);
}
/**
* Removes the specified serie column from the dataset.
*
* @param column the serie column
**/
public void removeSerie(AbstractColumn column) {
series.remove(column);
seriesLabels.remove(column);
}
/**
* Removes all defined series.
*/
public void clearSeries() {
series.clear();
seriesLabels.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) {
JRDesignXyDataset data = new JRDesignXyDataset(null);
for (Iterator iterator = series.iterator(); iterator.hasNext();) {
JRDesignXySeries serie = new JRDesignXySeries();
AbstractColumn column = (AbstractColumn) iterator.next();
//And use it as value for each bar
JRDesignExpression varExp = getExpressionFromVariable((JRDesignVariable) vars.get(column));
serie.setYValueExpression(varExp);
//The key for each bar
JRExpression exp2 = group.getExpression();
JRDesignExpression exp3;
if (seriesLabels.containsKey(column)) {
exp3 = ExpressionUtils.createAndRegisterExpression(design, "dataset_" + column.getName() + "_" + name, (CustomExpression) seriesLabels.get(column));
}
else {
exp3 = new JRDesignExpression();
exp3.setText("\"" + column.getTitle() + "\"");
}
exp3.setValueClass(String.class);
serie.setXValueExpression(exp2);
serie.setLabelExpression(exp3);
serie.setSeriesExpression(exp3);
data.addXySeries(serie);
}
setResetStyle(data, group, parentGroup);
return data;
}
public List getColumns() {
return series;
}
public PropertyColumn getColumnsGroup() {
return xValue;
}
}