Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/ChartExportHelper.java @ 8856:5e38e2924c07 3.2.x

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Fix code style.
author Tom Gottfried <tom@intevation.de>
date Thu, 18 Jan 2018 20:12:01 +0100
parents 582aaac447ad
children ffd4e2b0381c 0a5239a1e46e
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import com.lowagie.text.Document;
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12 import com.lowagie.text.DocumentException;
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13 import com.lowagie.text.PageSize;
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14 import com.lowagie.text.Rectangle;
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15
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16 import com.lowagie.text.pdf.PdfContentByte;
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17 import com.lowagie.text.pdf.PdfTemplate;
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18 import com.lowagie.text.pdf.PdfWriter;
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19
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20 import java.awt.Graphics2D;
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21 import java.awt.Transparency;
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22
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23 import java.awt.geom.Rectangle2D;
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24
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25 import java.io.IOException;
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26 import java.io.OutputStream;
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27 import java.io.OutputStreamWriter;
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28 import java.io.UnsupportedEncodingException;
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29
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30 import java.text.NumberFormat;
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31 import java.util.Map;
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32
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33 import org.jfree.chart.ChartRenderingInfo;
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34
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35 import javax.imageio.ImageIO;
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36
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37 import au.com.bytecode.opencsv.CSVWriter;
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38
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39 import org.apache.batik.svggen.SVGGraphics2D;
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40 import org.apache.batik.svggen.SVGGraphics2DIOException;
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41
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42 import org.apache.log4j.Logger;
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43
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44 import org.jfree.chart.JFreeChart;
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45 import org.jfree.chart.plot.XYPlot;
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46 import org.jfree.data.xy.XYDataset;
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47
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48 import org.dive4elements.artifacts.CallContext;
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49
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50 import org.dive4elements.artifacts.common.utils.XMLUtils;
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51
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52 import org.dive4elements.river.jfree.XYMetaSeriesCollection;
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53 import org.dive4elements.river.utils.Formatter;
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54
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55
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56 /**
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57 * This class is a helper class which supports some methods to export charts
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58 * into specific formats.
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59 *
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60 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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61 */
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62 public class ChartExportHelper {
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63
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64 public static final String FORMAT_PNG = "png";
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65
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66 public static final String FORMAT_PDF = "pdf";
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67
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68 public static final String FORMAT_SVG = "svg";
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69
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70 public static final String FORMAT_CSV = "csv";
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71
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72 /**
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73 * Constant field to define A4 as default page size.
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74 */
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75 public static final String DEFAULT_PAGE_SIZE = "A4";
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76
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77 /**
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78 * Constant field to define UTF-8 as default encoding.
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79 */
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80 public static final String DEFAULT_ENCODING = "UTF-8";
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81
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82 /** The default separator for the CSV export. */
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83 public static final char DEFAULT_CSV_SEPARATOR = ';';
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84
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86 /**
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87 * Logger used for logging with log4j.
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88 */
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89 private static Logger log = Logger.getLogger(ChartExportHelper.class);
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90
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91
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92 /**
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93 * A method to export a <code>JFreeChart</code> as image to an
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94 * <code>OutputStream</code> with a given format, width and height.
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95 *
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96 * @param out OutputStream
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97 * @param chart JFreeChart object to be exported.
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98 * @param cc context, in which e.g. size is stored.
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99 *
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100 * @throws IOException if writing image to OutputStream failed.
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101 */
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102 public static void exportImage(
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103 OutputStream out,
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104 JFreeChart chart,
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105 CallContext cc
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106 )
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107 throws IOException
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108 {
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109 log.info("export chart as png");
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110
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111 ChartRenderingInfo info = new ChartRenderingInfo();
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112
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113 String format = (String) cc.getContextValue("chart.image.format");
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114
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115 int[] size = getSize(cc);
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116
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117 ImageIO.write(
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118 chart.createBufferedImage(
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119 size[0], size[1], Transparency.BITMASK, info
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120 ),
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121 format,
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122 out
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123 );
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124 }
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125
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126
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127 /**
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128 * A method to export a <code>JFreeChart</code> as SVG to an
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129 * <code>OutputStream</code>.
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130 *
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131 * @param out OutputStream
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132 * @param chart JFreeChart to be exported
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133 * @param context The CallContext object that contains extra chart
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134 * parameters.
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135 */
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136 public static void exportSVG(
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137 OutputStream out,
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138 JFreeChart chart,
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diff changeset
139 CallContext context
152
956445dd601d Added a helper class to export charts.
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140 ) {
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
141 String encoding = (String) context.getContextValue("chart.encoding");
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
142
152
956445dd601d Added a helper class to export charts.
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143 log.info("export chart as svg");
956445dd601d Added a helper class to export charts.
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144
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
145 if (encoding == null)
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
146 encoding = DEFAULT_ENCODING;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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147
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
148 org.w3c.dom.Document document = XMLUtils.newDocument();
956445dd601d Added a helper class to export charts.
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149 SVGGraphics2D graphics = new SVGGraphics2D(document);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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150
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
151 int[] size = getSize(context);
5966a20fc72c Enabled support for PDF and SVG chart exports.
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152
2160
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
153 ChartRenderingInfo info = new ChartRenderingInfo();
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
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154
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diff changeset
155 chart.draw(
5e38e2924c07 Fix code style.
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diff changeset
156 graphics,
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
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157 new Rectangle2D.Double(0.0D, 0.0D,size[0],size[1]),
5e38e2924c07 Fix code style.
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158 info);
152
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diff changeset
159
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
160 try {
956445dd601d Added a helper class to export charts.
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161 graphics.stream(new OutputStreamWriter(out, encoding));
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
162 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
163 catch (SVGGraphics2DIOException svge) {
8856
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164 log.error(
5e38e2924c07 Fix code style.
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parents: 8702
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165 "Error while writing svg export to output stream.", svge);
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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166 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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167 catch (UnsupportedEncodingException uee) {
956445dd601d Added a helper class to export charts.
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168 log.error("Unsupported encoding: " + encoding, uee);
956445dd601d Added a helper class to export charts.
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169 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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170 }
956445dd601d Added a helper class to export charts.
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171
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172
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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173 /**
956445dd601d Added a helper class to export charts.
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174 * A method to export a <code>JFreeChart</code> as PDF to an
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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175 * <code>OutputStream</code>.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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176 *
956445dd601d Added a helper class to export charts.
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177 * @param out OutputStream
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178 * @param chart JFreeChart
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179 */
956445dd601d Added a helper class to export charts.
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180 public static void exportPDF(
956445dd601d Added a helper class to export charts.
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181 OutputStream out,
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182 JFreeChart chart,
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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183 CallContext cc
152
956445dd601d Added a helper class to export charts.
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184 ) {
956445dd601d Added a helper class to export charts.
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185 log.info("export chart as pdf.");
956445dd601d Added a helper class to export charts.
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186
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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187 String pageFormat = (String) cc.getContextValue("chart.page.format");
5966a20fc72c Enabled support for PDF and SVG chart exports.
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188
152
956445dd601d Added a helper class to export charts.
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189 if (pageFormat == null)
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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190 pageFormat = DEFAULT_PAGE_SIZE;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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191
3270
4ac581062c40 Fix various documentation issues.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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diff changeset
192 // Max size of the chart.
152
956445dd601d Added a helper class to export charts.
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193 Rectangle page = PageSize.getRectangle(pageFormat);
956445dd601d Added a helper class to export charts.
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diff changeset
194 float pageWidth = page.getWidth();
956445dd601d Added a helper class to export charts.
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diff changeset
195 float pageHeight = page.getHeight();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
196
3270
4ac581062c40 Fix various documentation issues.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2231
diff changeset
197 // The chart width.
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
198 int[] size = getSize(cc);
152
956445dd601d Added a helper class to export charts.
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199
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5966a20fc72c Enabled support for PDF and SVG chart exports.
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200 boolean landscape = size[0] > size[1];
152
956445dd601d Added a helper class to export charts.
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diff changeset
201
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
202 float width = 0;
956445dd601d Added a helper class to export charts.
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parents:
diff changeset
203 float height = 0;
956445dd601d Added a helper class to export charts.
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diff changeset
204 if (landscape) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
205 width = pageHeight;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
206 height = pageWidth;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
207 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
208 else {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
209 width = pageWidth;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
210 height = pageHeight;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
211 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
212
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
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diff changeset
213 float marginLeft = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
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parents: 1036
diff changeset
214 "chart.marginLeft");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
215
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
216 float marginRight = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
217 "chart.marginRight");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
218
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff changeset
219 float marginTop = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
220 "chart.marginTop");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
221
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
222 float marginBottom = (Float) cc.getContextValue(
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
223 "chart.marginBottom");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
224
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
225 float spaceX = width - marginLeft - marginRight;
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
226 if (size[0] > spaceX) {
8856
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
parents: 8702
diff changeset
227 log.warn(
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
parents: 8702
diff changeset
228 "Width of the chart is too big for pdf -> resize it now.");
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
229 double ratio = ((double)spaceX) / size[0];
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
230 size[0] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
231 size[1] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
232 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
233 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
234
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
235 float spaceY = height - marginTop - marginBottom;
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
236 if (size[1] > spaceY) {
8856
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
parents: 8702
diff changeset
237 log.warn(
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
parents: 8702
diff changeset
238 "Height of the chart is too big for pdf -> resize it now.");
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
239 double ratio = ((double)spaceY) / size[1];
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
240 size[0] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
241 size[1] *= ratio;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
242 log.debug("Resized chart to " + size[0] + "x" + size[1]);
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
243 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
244
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
245 Document document = null;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
246 if (landscape) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
247 document = new Document(page.rotate());
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
248 log.debug("Create landscape pdf.");
7700
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
249 } else {
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
250 document = new Document(page);
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
251 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
252
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
253 try {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
254 PdfWriter writer = PdfWriter.getInstance(document, out);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
255
8856
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
parents: 8702
diff changeset
256 document.addSubject(
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
parents: 8702
diff changeset
257 chart.getTitle() != null ? chart.getTitle().getText() : "");
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
258 document.addCreationDate();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
259 document.open();
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
260
7700
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
261 try {
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
262 PdfContentByte content = writer.getDirectContent();
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
263
7700
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
264 PdfTemplate template = content.createTemplate(width, height);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
265 Graphics2D graphics = template.createGraphics(width, height);
2160
8428de5846e8 Employ ChartRenderingInfo when creating svg/pdf exports.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1735
diff changeset
266
7700
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
267 double[] origin = getCenteredAnchor(
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
268 marginLeft, marginRight, marginBottom, marginTop,
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
269 width, height,
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
270 size[0], size[1]);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
271
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
272 Rectangle2D area = new Rectangle2D.Double(
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
273 origin[0], origin[1], size[0], size[1]);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
274
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
275 ChartRenderingInfo info = new ChartRenderingInfo();
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
276
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
277 chart.draw(graphics, area, info);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
278 graphics.dispose();
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
279 content.addTemplate(template, 0f, 0f);
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
280 }
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
281 finally {
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
282 document.close();
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
283 }
9211f8cafe8a (issue1559) Improve Exception handling and allow null titles
Andre Heinecke <aheinecke@intevation.de>
parents: 7688
diff changeset
284 } catch (DocumentException de) {
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
285 log.error("Error while exporting chart to pdf.", de);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
286 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
287 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
288
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
289
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
290 /**
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
291 * A method to export a CSV file to an
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
292 * <code>OutputStream</code>.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
293 *
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
294 * @param out OutputStream
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
295 * @param chart JFreeChart containing the data.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
296 * @param context The CallContext object that contains extra parameters.
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
297 */
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
298 public static void exportCSV(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
299 OutputStream out,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
300 JFreeChart chart,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
301 CallContext context)
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
302 {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
303 log.debug("export chart as CSV");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
304 CSVWriter writer = null;
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
305 try {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
306 writer = new CSVWriter(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
307 new OutputStreamWriter(
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
308 out,
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
309 DEFAULT_ENCODING),
7688
9509359c8db8 (issue1632) Use DOS line endings
Andre Heinecke <aheinecke@intevation.de>
parents: 7607
diff changeset
310 DEFAULT_CSV_SEPARATOR, '"', '\\', "\r\n");
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
311 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
312 catch(UnsupportedEncodingException uee) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
313 log.warn("Wrong encoding for CSV export.");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
314 return;
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
315 }
7047
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
316
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
317 NumberFormat format = Formatter.getCSVFormatter(context);
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
318
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
319 XYPlot plot = chart.getXYPlot();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
320 int count = plot.getDatasetCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
321 for (int i = 0; i < count; i++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
322 XYDataset data = plot.getDataset(i);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
323 int scount = data.getSeriesCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
324 for (int j = 0; j < scount; j++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
325 Comparable seriesKey = data.getSeriesKey(j);
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
326 log.debug("series key: " + seriesKey.toString());
7893
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
327 Map<String, String> metaData = null;
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
328 if (data instanceof XYMetaSeriesCollection) {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
329 metaData = ((XYMetaSeriesCollection) data).getMetaData();
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
330 }
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
331 writeCSVHeader(writer, seriesKey.toString(), metaData);
7047
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
332 writeCSVData(writer, data, format);
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
333 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
334 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
335 try {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
336 writer.close();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
337 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
338 catch(IOException ioe) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
339 log.error("Writing CSV export failed!");
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
340 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
341 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
342
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
343
7893
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
344 protected static void writeCSVHeader(
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
345 CSVWriter writer,
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
346 String key,
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
347 Map<String, String> metaData)
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
348 {
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
349 writer.writeNext(new String[] {"#"});
7893
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
350 if (metaData != null) {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
351 writer.writeNext(new String[] {"# " + key});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
352 for (Map.Entry<String, String> entry: metaData.entrySet()) {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
353 if (entry.getKey().equals("X") || entry.getKey().equals("Y")) {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
354 continue;
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
355 }
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
356 writer.writeNext(new String[]
7992
03fc4cdb793c Separate meta data key and value by ':'.
Raimund Renkert <rrenkert@intevation.de>
parents: 7893
diff changeset
357 {"# " + entry.getKey() + ": " + entry.getValue()});
7893
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
358 }
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
359 writer.writeNext(new String[] {"#"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
360 writer.writeNext(new String[] {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
361 metaData.get("X") != null ? metaData.get("X") : "X",
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
362 metaData.get("Y") != null ? metaData.get("Y") : "Y"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
363 }
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
364 else {
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
365 writer.writeNext(new String[] {"# " + key});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
366 writer.writeNext(new String[] {"#"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
367 writer.writeNext(new String[] {"X", "Y"});
56e7e6c18c26 Use the metadata to write csv header when exporting a chart.
Raimund Renkert <rrenkert@intevation.de>
parents: 7700
diff changeset
368 }
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
369 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
370
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
371
7047
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
372 /** Get x/y data from axis set and write it, on pair per line. */
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
373 protected static void writeCSVData(
b5e9b8b5c8d6 issue1493: Use other numberformat for csv data from diagram.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7046
diff changeset
374 CSVWriter writer, XYDataset data, NumberFormat format) {
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
375 int series = data.getSeriesCount();
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
376 for (int i = 0; i < series; i++) {
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
377 int items = data.getItemCount(i);
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
378 double lastX = java.lang.Double.MAX_VALUE;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
379 double lastY = java.lang.Double.MAX_VALUE;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
380
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
381 for (int j = 0; j < items; j++) {
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
382 Number x = data.getX(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
383 Number y = data.getY(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
384 double xVal = data.getXValue(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
385 double yVal = data.getYValue(i, j);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
386
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
387 if (lastX == xVal && lastY == yVal) {
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
388 // comparing equality is ok here as we want
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
389 // to find data duplicates like they are added
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
390 // for example by the StyledSeriesBuilder in
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
391 // addStepPointsKmQ
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
392 log.debug("removing duplicate point in series");
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
393 continue;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
394 }
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
395 lastX = xVal;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
396 lastY = yVal;
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
397
7094
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
398 String xString;
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
399 String yString;
7151
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
400
7046
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
401 try {
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
402 xString = java.lang.Double.isNaN(xVal)
7151
491b645123b6 issue1493: Also transform NaN X values to empty string.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7095
diff changeset
403 ? ""
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
404 : format.format(x);
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
405 yString = java.lang.Double.isNaN(yVal)
7095
bdadffad35b1 issue1493: Don't let NaNs slip through csv export.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7094
diff changeset
406 ? ""
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
407 : format.format(y);
7046
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
408 }
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
409 catch (NumberFormatException nfe) {
7607
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
410 xString = x.toString();
ef99781bcec7 (issue1667) Remove duplicate points in the same series in Diagram CSV export
Andre Heinecke <aheinecke@intevation.de>
parents: 7151
diff changeset
411 yString = y.toString();
7046
50b9959330de issue971: Bring a formatter in (a bad) place.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7045
diff changeset
412 }
7094
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
413 writer.writeNext(new String[] {
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
414 xString,
99527ef3f151 Minor refactoring for 1493.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 7047
diff changeset
415 yString});
2231
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
416 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
417 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
418 }
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
419
5648b5b34ae2 Issue 466.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 2160
diff changeset
420
1735
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
421 public static int[] getSize(CallContext cc) {
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
422 int[] size = new int[2];
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
423
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
424 size[0] = (Integer) cc.getContextValue("chart.width");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
425 size[1] = (Integer) cc.getContextValue("chart.height");
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
426
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
427 return size;
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
428 }
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
429
5966a20fc72c Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1036
diff changeset
430
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
431 /**
8856
5e38e2924c07 Fix code style.
Tom Gottfried <tom@intevation.de>
parents: 8702
diff changeset
432 * Returns the anchor of the chart so that the chart is centered
152
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
433 * according to the given parameters.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
434 *
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
435 * @param mLeft Left margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
436 * @param mRight Right margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
437 * @param mBottom Bottom margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
438 * @param mTop Top margin
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
439 * @param width The complete width of the drawing area.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
440 * @param height The complete height of the drawing area.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
441 * @param chartWidth The width of the chart.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
442 * @param chartHeight The height of the chart.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
443 *
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
444 * @return an array that contains the anchor for a chart with the given
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
445 * parameters. The first value is the x point, the second value is the y
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
446 * point.
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
447 */
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
448 public static double[] getCenteredAnchor(
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
449 double mLeft, double mRight, double mBottom, double mTop,
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
450 double width, double height,
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
451 double chartWidth, double chartHeight
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
452 ) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
453 if (log.isDebugEnabled()) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
454 log.debug("Calculate centered origin...");
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
455 log.debug("-> PDF width : " + width);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
456 log.debug("-> PDF height : " + height);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
457 log.debug("-> Chart width : " + chartWidth);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
458 log.debug("-> Chart height : " + chartHeight);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
459 log.debug("-> margin left : " + mLeft);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
460 log.debug("-> margin right : " + mRight);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
461 log.debug("-> margin bottom: " + mBottom);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
462 log.debug("-> margin top : " + mTop);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
463 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
464
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
465 double[] origin = new double[2];
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
466
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
467 double centerX = width / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
468 double centerY = height / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
469
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
470 origin[0] = centerX - chartWidth / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
471 origin[1] = centerY - chartHeight / 2;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
472
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
473 origin[0] = origin[0] >= mLeft ? origin[0] : mLeft;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
474 origin[1] = origin[1] >= mTop ? origin[1] : mTop;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
475
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
476 if (log.isDebugEnabled()) {
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
477 log.debug("==> centered left origin: " + origin[0]);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
478 log.debug("==> centered top origin: " + origin[1]);
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
479 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
480
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
481 return origin;
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
482 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
483 }
956445dd601d Added a helper class to export charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
484 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org