Merge pull request #50 from mheinzerling/JENKINS-16580

JENKINS-16580: Prepare a way to add different charts for the coverage reports.

.gitignore

@@ -13,5 +13,8 @@ work
 .project
 build
 
+# Generated images from CoverageObjectGraphTest
+/*.png
+
 # other
 *~

resources/test/Font Monkey License.txt

@@ -0,0 +1,13 @@
+This font is copyright 2008 by P.D. Magnus. Like all the Fontmonkey fonts, it is free for for all commercial or non-commercial use. To be clear: They do not cost anything.
+
+If you do use them for something, though, I would love to here about it. I would appreciate a sample of the thing for which you used the font, a photo of it, or even just an e-mail telling me about it.
+
+You can contact me via the website or by e-mail at pmagnus@fecundity.com
+
+You are also encouraged to acknowledge fontmonkey or link to me, although neither is strictly speaking required.
+
+The font files may be freely distributed provided this license, attribution to me, and the fontmonkey URL are included.
+
+VERSION HISTORY
+
+26apr2008 first release

src/main/java/hudson/plugins/jacoco/model/CoverageGraphLayout.java

@@ -0,0 +1,344 @@
+package hudson.plugins.jacoco.model;
+
+import hudson.plugins.jacoco.Messages;
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Stack;
+import org.jfree.chart.JFreeChart;
+import org.jfree.chart.plot.CategoryPlot;
+import org.jfree.chart.renderer.category.LineAndShapeRenderer;
+import org.jfree.ui.RectangleEdge;
+import org.jfree.ui.RectangleInsets;
+
+/**
+ * @author Martin Heinzerling
+ */
+public class CoverageGraphLayout
+{
+	enum CoverageType
+	{
+		INSTRUCTION(Messages.CoverageObject_Legend_Instructions())
+				{
+					@Override
+					public Coverage getCoverage(CoverageObject<?> a)
+					{
+						return a.instruction;
+					}
+
+				},
+		BRANCH(Messages.CoverageObject_Legend_Branch())
+				{
+					@Override
+					public Coverage getCoverage(CoverageObject<?> a)
+					{
+						return a.branch;
+					}
+
+				},
+		COMPLEXITY(Messages.CoverageObject_Legend_Complexity())
+				{
+					@Override
+					public Coverage getCoverage(CoverageObject<?> a)
+					{
+						return a.complexity;
+					}
+
+				},
+		METHOD(Messages.CoverageObject_Legend_Method())
+				{
+					@Override
+					public Coverage getCoverage(CoverageObject<?> a)
+					{
+						return a.method;
+					}
+
+				},
+		CLAZZ(Messages.CoverageObject_Legend_Class())
+				{
+					@Override
+					public Coverage getCoverage(CoverageObject<?> a)
+					{
+						return a.clazz;
+					}
+
+				},
+		LINE(Messages.CoverageObject_Legend_Line())
+				{
+					@Override
+					public Coverage getCoverage(CoverageObject<?> a)
+					{
+						return a.line;
+					}
+
+				};
+
+		private String message;
+
+		CoverageType(String message)
+		{
+			this.message = message;
+		}
+
+		public String getMessage()
+		{
+
+			return message;
+		}
+
+		public abstract Coverage getCoverage(CoverageObject<?> a);
+
+		public Number getValue(CoverageObject<?> a, CoverageValue value)
+		{
+			Coverage c = getCoverage(a);
+			if (c == null) return 0;
+			return value.getValue(c);
+
+		}
+
+	}
+
+	enum CoverageValue
+	{
+		MISSED
+				{
+					@Override
+					public String getMessage(CoverageType type)
+					{
+						return
+								Messages.CoverageObject_Legend_Missed(type.getMessage());
+
+					}
+
+					@Override
+					public Number getValue(Coverage c)
+					{
+						return c.getMissed();
+					}
+				},
+		COVERED
+				{
+					@Override
+					public String getMessage(CoverageType type)
+					{
+						return Messages.CoverageObject_Legend_Covered(type.getMessage());
+					}
+
+					@Override
+					public Number getValue(Coverage c)
+					{
+						return c.getCovered();
+					}
+				},
+		PERCENTAGE
+				{
+					@Override
+					public String getMessage(CoverageType type)
+					{
+						return type.getMessage();
+					}
+
+					@Override
+					public Number getValue(Coverage c)
+					{
+						return c.getPercentageFloat();
+					}
+				};
+
+
+		public abstract String getMessage(CoverageType type);
+
+		public abstract Number getValue(Coverage c);
+	}
+
+	static class Axis
+	{
+		private String label = null;
+		private int crop = -1;
+		private boolean skipZero = false;
+
+		public boolean isCrop()
+		{
+			return crop != -1;
+		}
+
+		public boolean isSkipZero()
+		{
+			return skipZero;
+		}
+
+		public String getLabel()
+		{
+			return label;
+		}
+
+		public int getCrop()
+		{
+			return crop;
+		}
+	}
+
+	static class Plot
+	{
+		private CoverageValue value;
+		private CoverageType type;
+		private Axis axis;
+		private Color color;
+
+		public Plot(Axis axis)
+		{
+			this.axis = axis;
+		}
+
+		public Number getValue(CoverageObject<?> a)
+		{
+			return type.getValue(a, value);
+		}
+
+		public String getMessage()
+		{
+			return value.getMessage(type);
+		}
+
+		public Axis getAxis()
+		{
+			return axis;
+		}
+
+		@Override
+		public String toString()
+		{
+			return axis + " " + type + " " + value + " " + color;
+		}
+	}
+
+	private float baseStroke = 4f;
+	private Stack<Axis> axes = new Stack<Axis>();
+	private Stack<Plot> plots = new Stack<Plot>();
+
+	public CoverageGraphLayout baseStroke(float baseStroke)
+	{
+		this.baseStroke = baseStroke;
+		return this;
+	}
+
+	public CoverageGraphLayout axis()
+	{
+		axes.push(new Axis());
+		return this;
+	}
+
+	private void assureAxis()
+	{
+		if (axes.isEmpty()) axis();
+	}
+
+	public CoverageGraphLayout crop()
+	{
+		return crop(5);
+	}
+
+	public CoverageGraphLayout crop(int marginInPercent)
+	{
+		assureAxis();
+		axes.peek().crop = marginInPercent;
+		return this;
+	}
+
+	public CoverageGraphLayout label(String label)
+	{
+		assureAxis();
+		axes.peek().label = label;
+		return this;
+	}
+
+	public CoverageGraphLayout skipZero()
+	{
+		assureAxis();
+		axes.peek().skipZero = true;
+		return this;
+	}
+
+	public CoverageGraphLayout plot()
+	{
+		assureAxis();
+		plots.add(new Plot(axes.peek()));
+		return this;
+	}
+
+	private void assurePlot()
+	{
+		if (plots.isEmpty()) plot();
+	}
+
+	public CoverageGraphLayout type(CoverageType type)
+	{
+		assurePlot();
+		plots.peek().type = type;
+		return this;
+	}
+
+	public CoverageGraphLayout value(CoverageValue value)
+	{
+		assurePlot();
+		plots.peek().value = value;
+		return this;
+	}
+
+	public CoverageGraphLayout color(Color color)
+	{
+		assurePlot();
+		plots.peek().color = color;
+		return this;
+	}
+
+	public List<Axis> getAxes()
+	{
+		return Collections.unmodifiableList(axes);
+	}
+
+	public List<Plot> getPlots()
+	{
+		return Collections.unmodifiableList(plots);
+	}
+
+	public void apply(JFreeChart chart)
+	{
+		final CategoryPlot plot = chart.getCategoryPlot();
+		Map<Axis, Integer> axisIds = new HashMap<Axis, Integer>();
+		int axisId = 0;
+		for (Axis axis : axes)
+		{
+			LineAndShapeRenderer renderer = new LineAndShapeRenderer(true, false);
+			renderer.setBaseStroke(new BasicStroke(baseStroke));
+			//add axis layout here
+			plot.setRenderer(axisId, renderer);
+			axisIds.put(axis, axisId);
+			axisId++;
+		}
+
+		for (Plot p : plots)
+		{
+			axisId = axisIds.get(p.axis);
+			int lineIdPerAxis = plot.getDataset(axisId).getRowIndex(p.getMessage());
+			LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer(axisId);
+			renderer.setSeriesPaint(lineIdPerAxis, p.color);
+			renderer.setSeriesItemLabelPaint(lineIdPerAxis, p.color);
+			renderer.setSeriesFillPaint(lineIdPerAxis, p.color);
+			//add line layout here
+		}
+
+		chart.getLegend().setPosition(RectangleEdge.RIGHT);
+		chart.setBackgroundPaint(Color.white);
+		// plot.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 5.0, 5.0, 5.0, 5.0));
+		plot.setBackgroundPaint(Color.WHITE);
+		plot.setOutlinePaint(null);
+		plot.setRangeGridlinesVisible(true);
+		plot.setRangeGridlinePaint(Color.black);
+		plot.setInsets(new RectangleInsets(5.0, 0, 0, 5.0));
+		// add common layout here
+	}
+}