/*
* 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 java.util.ArrayList;
import java.util.Arrays;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.util.ObjectUtilities;
import org.pentaho.reporting.engine.classic.core.function.Expression;
/**
* @deprecated This class is totally f'd up.
*/
public class PivotCategorySetCollectorFunction extends CategorySetCollectorFunction
{
private static final long serialVersionUID = -1661805548096343053L;
private ArrayList categoryNames;
private String seriesColumnHeader;
public PivotCategorySetCollectorFunction()
{
this.categoryNames = new ArrayList();
}
/*
* ------- Standard accessors - we use indexed properties for the series config.
*/
public String getSeriesColumnHeader()
{
return seriesColumnHeader;
}
public void setSeriesColumnHeader(final String seriesColumnHeader)
{
this.seriesColumnHeader = seriesColumnHeader;
}
public void setCategoryName(final int index, final String field)
{
if (categoryNames.size() == index)
{
categoryNames.add(field);
}
else
{
categoryNames.set(index, field);
}
}
public String getCategoryName(final int index)
{
return (String) this.categoryNames.get(index);
}
public int getCategoryNameCount()
{
return this.categoryNames.size();
}
public String[] getCategoryName()
{
return (String[]) this.categoryNames.toArray(new String[this.categoryNames.size()]);
}
public void setCategoryName(final String[] fields)
{
this.categoryNames.clear();
this.categoryNames.addAll(Arrays.asList(fields));
}
protected void buildDataset()
{
final DefaultCategoryDataset dataset = (DefaultCategoryDataset) getDatasourceValue();
//get value in column that identifies the rows
final Object currentRowHeader = getDataRow().get(seriesColumnHeader);
//Check if row is part of the graph series
final int catCount = getCategoryNameCount();
final int seriesNameCount = getSeriesNameCount();
for (int i = 0; i < seriesNameCount; i++)
{
final String seriesName = getSeriesName(i);
if (ObjectUtilities.equal(seriesName, currentRowHeader) == false)
{
// filters out all series except the one marked as seriesColumnHeader.
continue;
}
for (int j = 0; j < catCount; j++)
{
final String newRowHeader = getCategoryName(j);
//if not rowHeader Column
if (ObjectUtilities.equal(newRowHeader, seriesColumnHeader))
{
continue;
}
final Object valueObject = getDataRow().get(newRowHeader);
Number value = (valueObject instanceof Number) ? (Number) valueObject : null;
final Number existingValue = queryExistingValueFromDataSet(dataset, seriesName, newRowHeader);
if (existingValue != null)
{
final double val = (value != null) ? value.doubleValue() : 0;
value = new Double(val + existingValue.doubleValue());
dataset.setValue(value, seriesName, newRowHeader);
}
else
{
dataset.addValue(value, seriesName, newRowHeader);
}
}
}
}
/**
* Return a completly separated copy of this function. The copy no longer
* shares any changeable objects with the original function.
* Also from Thomas:
* Should retain data from the report definition, but clear calculated data.
*
* @return a copy of this function.
*/
public Expression getInstance()
{
final PivotCategorySetCollectorFunction fn = (PivotCategorySetCollectorFunction) super.getInstance();
fn.categoryNames = (ArrayList) categoryNames.clone();
return fn;
}
}