/*********************************************************************************************** * File Info: $Id: ScatterPlotDataProcessor.java,v 1.1 2003/05/17 16:57:50 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.processors; import org.krysalis.jcharts.axisChart.AxisChart; import org.krysalis.jcharts.chartData.interfaces.IScatterPlotDataSeries; import org.krysalis.jcharts.chartData.interfaces.IScatterPlotDataSet; import org.krysalis.jcharts.types.ChartType; import com.google.code.appengine.awt.font.FontRenderContext; import com.google.code.appengine.awt.geom.Point2D; /******************************************************************************************* * ********************************************************************************************/ public final class ScatterPlotDataProcessor extends AxisChartDataProcessor { private double yMax; private double yMin; /****************************************************************************************** * Constructor * *******************************************************************************************/ public ScatterPlotDataProcessor() { } /****************************************************************************************** * Method to perform all chart data processing. * * @param axisChart ******************************************************************************************/ public void processData( AxisChart axisChart, FontRenderContext fontRenderContext ) { //todo would it make sense to do this and do the axis titles? /* if( axisChart.getIDataSeries().getChartTitle() != null ) { this.titleTextLayout= new TextLayout( axisChart.getIDataSeries().getChartTitle(), axisChart.getChartProperties().getTitleFont(), fontRenderContext ); } */ IScatterPlotDataSeries iScatterPlotDataSeries = (IScatterPlotDataSeries) axisChart.getIAxisDataSeries(); this.processDataSet( iScatterPlotDataSeries ); //todo does it make sense to do the legend label processing here? /* if( axisChart.hasLegend() ) { //this.lengendLabelProcessor= new TextProcessor(); // this.lengendLabelProcessor } */ } /****************************************************************************************** * Processes the numeric values in the chart data. If there is a user defined scale * there is no need to call this. * * @param iScatterPlotDataSeries ******************************************************************************************/ private void processDataSet( IScatterPlotDataSeries iScatterPlotDataSeries ) { IScatterPlotDataSet iScatterPlotDataSet = (IScatterPlotDataSet) iScatterPlotDataSeries.getIAxisPlotDataSet( ChartType.SCATTER_PLOT ); Point2D.Double point; for( int dataSet = 0; dataSet < iScatterPlotDataSet.getNumberOfDataSets(); dataSet++ ) { for( int index = 0; index < iScatterPlotDataSet.getNumberOfDataItems(); index++ ) { point = iScatterPlotDataSet.getValue( dataSet, index ); if( point == null ) { continue; } if( point.getX() > super.getMaxValue() ) { super.setMaxValue( point.getX() ); } if( point.getX() < super.getMinValue() ) { super.setMinValue( point.getX() ); } if( point.getY() > this.getyMax() ) { this.setyMax( point.getY() ); } if( point.getY() < this.getyMin() ) { this.setyMin( point.getY() ); } } } //System.out.println( this.toString() ); } /****************************************************************************************** * ******************************************************************************************/ public double getyMax() { return yMax; } /****************************************************************************************** * ******************************************************************************************/ public void setyMax( double yMax ) { this.yMax = yMax; } /****************************************************************************************** * ******************************************************************************************/ public double getyMin() { return yMin; } /****************************************************************************************** * ******************************************************************************************/ public void setyMin( double yMin ) { this.yMin = yMin; } /****************************************************************************************** * ******************************************************************************************/ public String toString() { StringBuffer s= new StringBuffer( 60 ); s.append( this.getClass().getName() ); s.append( ": xMin= " + super.getMinValue() ); s.append( " xMax= " + super.getMaxValue() ); s.append( " yMin= " + this.yMin ); s.append( " yMax= " + this.yMax ); return s.toString(); } /********************************************************************************************* * Enables the testing routines to display the contents of this Object. * * @param htmlGenerator ********************************************************************************************** public void toHTML( HTMLGenerator htmlGenerator ) { super.toHTML( htmlGenerator ); String name= this.getClass().getSuperclass().getName() + "->"; //---calling on instance of YAxis or XAxis Field[] fields= this.getClass().getSuperclass().getDeclaredFields(); for( int i=0; i< fields.length; i++ ) { htmlGenerator.addField( name + fields[ i ].getName(), fields[ i ].get( this ) ); } } */ }