// PSP Dashboard - Data Automation Tool for PSP-like processes
// Copyright (C) 2003 Software Process Dashboard Initiative
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// The author(s) may be contacted at:
// OO-ALC/TISHD
// Attn: PSP Dashboard Group
// 6137 Wardleigh Road
// Hill AFB, UT 84056-5843
//
// E-Mail POC: processdash-devel@lists.sourceforge.net
import java.awt.Color;
import java.awt.BasicStroke;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.Axis;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.StandardXYItemRenderer;
import org.jfree.data.XYDataset;
import pspdash.data.DateData;
import pspdash.Translator;
import pspdash.XYDataSourceTrendLine;
public class xy extends pspdash.CGIChartBase {
/** Create a scatter plot. */
public JFreeChart createChart() {
JFreeChart chart;
String xLabel = null, yLabel = null;
if (!chromeless) {
xLabel = Translator.translate(data.getColName(1));
yLabel = getSetting("yLabel");
if (yLabel == null && data.numCols() == 2)
yLabel = data.getColName(2);
if (yLabel == null) yLabel = getSetting("units");
if (yLabel == null) yLabel = "Value";
yLabel = Translator.translate(yLabel);
}
if ((data.numRows() > 0 && data.numCols() > 0 &&
data.getData(1,1) instanceof DateData) ||
parameters.get("xDate") != null)
chart = ChartFactory.createTimeSeriesChart
(null, xLabel, yLabel, data.xyDataSource(), true, true, false);
else {
XYDataset src = data.xyDataSource();
chart = ChartFactory.createScatterPlot
(null, xLabel, yLabel, src, PlotOrientation.VERTICAL,
true, false, false);
String trendLine = getParameter("trend");
if ("none".equalsIgnoreCase(trendLine))
;
else if ("average".equalsIgnoreCase(trendLine))
addTrendLine(chart, XYDataSourceTrendLine.getAverageLine(src));
else
addTrendLine(chart,
XYDataSourceTrendLine.getRegressionLine(src));
}
if (data.numCols() == 2)
chart.setLegend(null);
return chart;
}
private void addTrendLine(JFreeChart chart, XYDataset dataset) {
XYPlot plot = chart.getXYPlot();
plot.setSecondaryDataset(0, dataset);
plot.setSecondaryRenderer
(0, new StandardXYItemRenderer(StandardXYItemRenderer.LINES));
}
public void massageParameters() {
//parameters.put("order", parameters.get("d1"));
}
protected Axis getAxis(JFreeChart chart, PlotOrientation dir) {
try {
XYPlot p = chart.getXYPlot();
if (dir.equals(p.getOrientation()))
return p.getRangeAxis();
else
return p.getDomainAxis();
} catch (Exception e) {
return null;
}
}
}