001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.plugins.core.charts; 021 022 import org.apache.commons.lang.StringUtils; 023 import org.jfree.chart.axis.CategoryAxis; 024 import org.jfree.chart.axis.NumberAxis; 025 import org.jfree.chart.plot.CategoryPlot; 026 import org.jfree.chart.plot.Plot; 027 import org.jfree.chart.renderer.category.BarRenderer; 028 import org.jfree.data.category.DefaultCategoryDataset; 029 import org.sonar.api.charts.AbstractChart; 030 import org.sonar.api.charts.ChartParameters; 031 032 import java.awt.*; 033 import java.text.DecimalFormat; 034 035 public class DistributionBarChart extends AbstractChart { 036 037 038 public static final String PARAM_VALUES = "v"; 039 public static final String PARAM_COLORS = "c"; 040 public static final String PARAM_Y_SUFFIX = "ysuf"; 041 public static final String PARAM_X_SUFFIX = "xsuf"; 042 public static final String PARAM_FONT_SIZE = "fs"; 043 044 public String getKey() { 045 return "distbar"; 046 } 047 048 @Override 049 public Plot getPlot(ChartParameters params) { 050 CategoryPlot plot = generateJFreeChart(params); 051 plot.setOutlinePaint(OUTLINE_COLOR); 052 plot.setDomainGridlinePaint(GRID_COLOR); 053 plot.setRangeGridlinePaint(GRID_COLOR); 054 return plot; 055 } 056 057 private CategoryPlot generateJFreeChart(ChartParameters params) { 058 DefaultCategoryDataset dataset = new DefaultCategoryDataset(); 059 CategoryPlot plot = new CategoryPlot(); 060 061 Font font = getFont(params.getValue(PARAM_FONT_SIZE)); 062 configureDomainAxis(plot, font); 063 configureRangeAxis(plot, params.getValue(PARAM_Y_SUFFIX, "", true), font); 064 configureRenderer(plot); 065 configureValues(dataset, params.getValues(PARAM_VALUES, "|", true), params.getValue(PARAM_X_SUFFIX, "", true)); 066 configureColors(dataset, plot, params.getValues(PARAM_COLORS, ",")); 067 068 plot.setDataset(dataset); 069 return plot; 070 } 071 072 static void configureValues(DefaultCategoryDataset dataset, String[] series, String xSuffix) { 073 int index = 0; 074 while (index < series.length) { 075 String[] pairs = StringUtils.split(series[index], ";"); 076 if (pairs.length == 0) { 077 dataset.addValue((Number) 0.0, index, "0"); 078 079 } else { 080 for (String pair : pairs) { 081 String[] keyValue = StringUtils.split(pair, "="); 082 double val = Double.parseDouble(keyValue[1]); 083 dataset.addValue((Number) val, index, keyValue[0] + xSuffix); 084 } 085 } 086 index++; 087 } 088 089 } 090 091 private void configureRenderer(CategoryPlot plot) { 092 BarRenderer renderer = new BarRenderer(); 093 renderer.setDrawBarOutline(true); 094 renderer.setSeriesItemLabelsVisible(0, true); 095 renderer.setItemMargin(0); 096 plot.setRenderer(renderer); 097 } 098 099 private void configureDomainAxis(CategoryPlot plot, Font font) { 100 CategoryAxis categoryAxis = new CategoryAxis(); 101 categoryAxis.setTickMarksVisible(true); 102 categoryAxis.setTickLabelFont(font); 103 categoryAxis.setTickLabelPaint(OUTLINE_COLOR); 104 plot.setDomainAxis(categoryAxis); 105 plot.setDomainGridlinesVisible(false); 106 } 107 108 private Font getFont(String fontSize) { 109 int size = FONT_SIZE; 110 if (!StringUtils.isBlank(fontSize)) { 111 size = Integer.parseInt(fontSize); 112 } 113 return new Font("SansSerif", Font.PLAIN, size); 114 } 115 116 private void configureRangeAxis(CategoryPlot plot, String valueLabelSuffix, Font font) { 117 NumberAxis numberAxis = new NumberAxis(); 118 numberAxis.setUpperMargin(0.3); 119 numberAxis.setTickLabelFont(font); 120 numberAxis.setTickLabelPaint(OUTLINE_COLOR); 121 String suffix = ""; 122 if (valueLabelSuffix != null && !"".equals(valueLabelSuffix)) { 123 suffix = new StringBuilder().append("'").append(valueLabelSuffix).append("'").toString(); 124 } 125 numberAxis.setNumberFormatOverride(new DecimalFormat("0" + suffix)); 126 numberAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); 127 plot.setRangeAxis(numberAxis); 128 } 129 }