From db4c6f0784a53942d0c99a0576dce32342ba6044 Mon Sep 17 00:00:00 2001
From: oblonski <4sschroeder@gmail.com>
Date: Mon, 14 Apr 2014 12:36:40 +0200
Subject: [PATCH] added
 analysis.toolbox.AlgorithmSearchProgressChartBuilder.java to create
 xyLineCharts with an arbitrary number of xySeries

---
 .../AlgorithmSearchProgressChartBuilder.java  | 76 +++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartBuilder.java

diff --git a/jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartBuilder.java b/jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartBuilder.java
new file mode 100644
index 00000000..19e14fe3
--- /dev/null
+++ b/jsprit-analysis/src/main/java/jsprit/analysis/toolbox/AlgorithmSearchProgressChartBuilder.java
@@ -0,0 +1,76 @@
+package jsprit.analysis.toolbox;
+
+import java.awt.Color;
+import java.io.File;
+import java.io.IOException;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.jfree.chart.ChartFactory;
+import org.jfree.chart.ChartUtilities;
+import org.jfree.chart.JFreeChart;
+import org.jfree.chart.axis.NumberAxis;
+import org.jfree.chart.plot.PlotOrientation;
+import org.jfree.chart.plot.XYPlot;
+import org.jfree.data.Range;
+import org.jfree.data.xy.XYSeries;
+import org.jfree.data.xy.XYSeriesCollection;
+
+public class AlgorithmSearchProgressChartBuilder {
+	
+	public static void saveChartAsPNG(JFreeChart chart, String pngFilename){
+		try {
+			ChartUtilities.saveChartAsPNG(new File(pngFilename), chart, 1000, 600);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+	
+	public static AlgorithmSearchProgressChartBuilder newInstance(String chartName, String xDomainName, String yDomainName){
+		return new AlgorithmSearchProgressChartBuilder(chartName, xDomainName, yDomainName);
+	}
+	
+	private ConcurrentHashMap<String,XYSeries> seriesMap = new ConcurrentHashMap<String, XYSeries>();
+	
+	private final String xDomain;
+	
+	private final String yDomain;
+	
+	private final String chartName;
+	
+	private AlgorithmSearchProgressChartBuilder(String chartName, String xDomainName, String yDomainName) {
+		this.xDomain=xDomainName;
+		this.yDomain=yDomainName;
+		this.chartName=chartName;
+	}
+	
+	public void addData(String seriesName, double xVal, double yVal){
+		if(!seriesMap.containsKey(seriesName)){
+			seriesMap.put(seriesName, new XYSeries(seriesName,true,true));
+		}
+		seriesMap.get(seriesName).add(xVal, yVal);
+	}
+	
+	public JFreeChart build(){
+		XYSeriesCollection collection = new XYSeriesCollection();
+		for(XYSeries s : seriesMap.values()){
+			collection.addSeries(s);
+		}
+		JFreeChart chart = ChartFactory.createXYLineChart(chartName, xDomain, yDomain, collection, PlotOrientation.VERTICAL, true, true, false);
+		XYPlot plot = chart.getXYPlot();
+		plot.setBackgroundPaint(Color.WHITE);
+		plot.setDomainGridlinePaint(Color.LIGHT_GRAY);
+		plot.setRangeGridlinePaint(Color.LIGHT_GRAY);
+		NumberAxis yAxis = (NumberAxis) plot.getRangeAxis();
+		Range rangeBounds = collection.getRangeBounds(true);
+		double upper = Math.min(rangeBounds.getUpperBound(), rangeBounds.getLowerBound()*5);
+		if(upper == 0.0){ upper = 10000; }
+		if(rangeBounds.getLowerBound() == upper){
+			yAxis.setRangeWithMargins(rangeBounds.getLowerBound()-rangeBounds.getLowerBound()*.1,upper+upper*.1);
+		}
+		else{
+			yAxis.setRangeWithMargins(rangeBounds.getLowerBound(),upper);
+		}
+		return chart;
+	}
+
+}