001 /*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2011 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.server.charts.deprecated;
021
022 import org.jfree.chart.JFreeChart;
023 import org.jfree.chart.plot.PiePlot;
024 import org.jfree.chart.title.TextTitle;
025 import org.jfree.data.general.DefaultPieDataset;
026 import org.jfree.ui.RectangleInsets;
027
028 import java.awt.*;
029 import java.awt.image.BufferedImage;
030 import java.io.IOException;
031 import java.util.Map;
032 import java.util.StringTokenizer;
033
034 public class PieChart extends BaseChartWeb implements DeprecatedChart {
035
036 private DefaultPieDataset dataset = null;
037
038 public PieChart(Map<String, String> params) {
039 super(params);
040 jfreechart = new JFreeChart(null, TextTitle.DEFAULT_FONT, new PiePlot(), false);
041 }
042
043 @Override
044 protected BufferedImage getChartImage() throws IOException {
045 configure();
046 return getBufferedImage(jfreechart);
047 }
048
049 private void configure() {
050 configureChart(jfreechart, false);
051 configureDataset();
052 configurePlot();
053 applyParams();
054 }
055
056 private void configureDataset() {
057 dataset = new DefaultPieDataset();
058 }
059
060 private void configurePlot() {
061 PiePlot plot = (PiePlot) jfreechart.getPlot();
062 plot.setNoDataMessage(DEFAULT_MESSAGE_NODATA);
063 plot.setInsets(RectangleInsets.ZERO_INSETS);
064 plot.setDataset(dataset);
065 plot.setBackgroundAlpha(0.0f);
066 plot.setCircular(true);
067 plot.setLabelGenerator(null);
068 plot.setIgnoreNullValues(true);
069 plot.setIgnoreZeroValues(true);
070 plot.setShadowPaint(null);
071 plot.setLabelLinkMargin(0.0);
072 plot.setInteriorGap(0.02);
073 plot.setMaximumLabelWidth(0.10);
074 }
075
076 private void configureColors(String colors) {
077 try {
078 if (colors != null && colors.length() > 0) {
079 StringTokenizer stringTokenizer = new StringTokenizer(colors, ",");
080 int i = 0;
081 while (stringTokenizer.hasMoreTokens()) {
082 ((PiePlot) jfreechart.getPlot()).setSectionPaint(Integer.toString(i), Color.decode("0x" + stringTokenizer.nextToken()));
083 i++;
084 }
085 } else {
086 configureDefaultColors();
087 }
088 }
089 catch (Exception e) {
090 configureDefaultColors();
091 }
092 }
093
094 private void configureDefaultColors() {
095 PiePlot plot = (PiePlot) jfreechart.getPlot();
096 for (int i=0 ; i<COLORS.length ; i++) {
097 plot.setSectionPaint("" + i, COLORS[i]);
098 }
099 }
100
101 private void applyParams() {
102 applyCommonParams();
103
104 configureColors(params.get(CHART_PARAM_COLORS));
105 addMeasures(params.get(CHART_PARAM_VALUES));
106
107 // -- Plot
108 PiePlot plot = (PiePlot) jfreechart.getPlot();
109 plot.setOutlineVisible(isParamValueValid(params.get(CHART_PARAM_OUTLINE_VISIBLE)) && Boolean.getBoolean(params.get(CHART_PARAM_OUTLINE_VISIBLE)));
110 }
111
112 private void addMeasures(String values) {
113 if (values != null && values.length() > 0) {
114 StringTokenizer st = new StringTokenizer(values, ",");
115 int i = 0;
116 while (st.hasMoreTokens()) {
117 double measure = 0;
118 try {
119 measure = Double.parseDouble(st.nextToken());
120 }
121 catch (NumberFormatException e) {
122 }
123 dataset.setValue(Integer.toString(i), measure);
124 i++;
125 }
126 }
127 }
128
129 }