/***********************************************************************************************
* File Info: $Id: PieChartDataSet.java,v 1.1 2003/05/17 16:58:11 nathaniel_auvil Exp $
* Copyright (C) 2002
* Author: Nathaniel G. Auvil
* Contributor(s):
*
* Copyright 2002 (C) Nathaniel G. Auvil. All Rights Reserved.
*
* Redistribution and use of this software and associated documentation ("Software"), with or
* without modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and notices.
* Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. The name "jCharts" or "Nathaniel G. Auvil" must not be used to endorse or promote
* products derived from this Software without prior written permission of Nathaniel G.
* Auvil. For written permission, please contact nathaniel_auvil@users.sourceforge.net
*
* 4. Products derived from this Software may not be called "jCharts" nor may "jCharts" appear
* in their names without prior written permission of Nathaniel G. Auvil. jCharts is a
* registered trademark of Nathaniel G. Auvil.
*
* 5. Due credit should be given to the jCharts Project (http://jcharts.sourceforge.net/).
*
* THIS SOFTWARE IS PROVIDED BY Nathaniel G. Auvil AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* jCharts OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
************************************************************************************************/
package org.krysalis.jcharts.chartData;
import org.krysalis.jcharts.chartData.interfaces.IPieChartDataSet;
import org.krysalis.jcharts.properties.PieChart2DProperties;
import com.google.code.appengine.awt.*;
/*******************************************************************************************
* Implementation of the IPieChartDataSet Interface for use with the PieChart2D Object.
*
*******************************************************************************************/
final public class PieChartDataSet extends DataSet implements IPieChartDataSet
{
private String chartTitle;
/******************************************************************************************
* Constructor
*
* @param chartTitle if the title is NULL, no title will be drawn
* @param data
* @param legendLabels
* @param paints
* @param pieChart2DProperties
* @throws ChartDataException if fails a limited validation check
*******************************************************************************************/
public PieChartDataSet( String chartTitle,
double[] data,
String[] legendLabels,
Paint[] paints,
PieChart2DProperties pieChart2DProperties ) throws ChartDataException
{
super( new double[][]{data}, legendLabels, paints, pieChart2DProperties );
this.chartTitle=chartTitle;
this.validateData( data, legendLabels, paints );
}
/*******************************************************************************************
* Perform some limited validation of the structure of the passed data. This is useful for
* development.
*
* @param data
* @param legendLabels
* @param paints
* @throws ChartDataException
*******************************************************************************************/
private void validateData( double[] data, String[] legendLabels, Paint[] paints ) throws ChartDataException
{
if( legendLabels != null && ( data.length != legendLabels.length ) )
{
throw new ChartDataException( "There is not an one to one mapping of 'legend labels' to 'data items'." );
}
if( data.length != paints.length )
{
throw new ChartDataException( "There is not an one to one mapping of 'Paint' Implementations to 'data items'." );
}
}
/******************************************************************************************
* Returns the chart title.
*
* @return String the chart title. If this returns NULL, no title will be displayed.
******************************************************************************************/
public String getChartTitle()
{
return this.chartTitle;
}
/******************************************************************************************
* Returns the value in the data set at the specified position.
*
* @param index
* @return double
* @throws ArrayIndexOutOfBoundsException
*******************************************************************************************/
public double getValue( int index ) throws ArrayIndexOutOfBoundsException
{
return super.data[ 0 ][ index ];
}
}