Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/exports/ChartGenerator.java @ 2236:c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
flys-artifacts/trunk@3883 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 02 Feb 2012 14:00:40 +0000 |
parents | 46ec09c7f578 |
children | 23c7c51df772 |
rev | line source |
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1 package de.intevation.flys.exports; |
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2 |
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3 import java.awt.Color; |
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4 import java.awt.Font; |
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5 |
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6 import java.io.IOException; |
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7 import java.io.OutputStream; |
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8 |
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9 import java.util.ArrayList; |
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10 import java.util.List; |
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11 import java.util.Locale; |
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12 |
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13 import javax.xml.xpath.XPathConstants; |
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14 |
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15 import org.apache.log4j.Logger; |
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16 |
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17 import org.w3c.dom.Document; |
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18 import org.w3c.dom.Element; |
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19 |
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20 import org.jfree.chart.JFreeChart; |
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21 import org.jfree.chart.LegendItem; |
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22 import org.jfree.chart.axis.NumberAxis; |
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23 import org.jfree.data.Range; |
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24 |
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25 import de.intevation.artifacts.Artifact; |
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26 import de.intevation.artifacts.CallContext; |
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27 import de.intevation.artifacts.CallMeta; |
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28 import de.intevation.artifacts.PreferredLocale; |
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29 |
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30 import de.intevation.artifacts.ArtifactNamespaceContext; |
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31 import de.intevation.artifacts.common.utils.XMLUtils; |
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32 |
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33 import de.intevation.artifactdatabase.state.ArtifactAndFacet; |
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34 import de.intevation.artifactdatabase.state.Settings; |
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35 |
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36 import de.intevation.flys.model.River; |
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37 |
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38 import de.intevation.flys.artifacts.FLYSArtifact; |
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39 import de.intevation.flys.artifacts.resources.Resources; |
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40 import de.intevation.flys.utils.FLYSUtils; |
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41 import de.intevation.flys.utils.ThemeAccess; |
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42 |
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43 |
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44 /** |
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45 * The base class for chart creation. It should provide some basic things that |
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46 * equal in all chart types. |
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47 * |
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48 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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49 */ |
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50 public abstract class ChartGenerator implements OutGenerator { |
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51 |
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52 private static Logger logger = Logger.getLogger(ChartGenerator.class); |
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53 |
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54 public static final int DEFAULT_CHART_WIDTH = 600; |
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55 public static final int DEFAULT_CHART_HEIGHT = 400; |
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56 public static final String DEFAULT_CHART_FORMAT = "png"; |
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57 public static final Color DEFAULT_GRID_COLOR = Color.GRAY; |
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58 public static final float DEFAULT_GRID_LINE_WIDTH = 0.3f; |
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59 public static final int DEFAULT_FONT_SIZE = 12; |
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60 public static final String DEFAULT_FONT_NAME = "Tahoma"; |
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61 |
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62 |
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63 public static final String XPATH_CHART_SIZE = |
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64 "/art:action/art:attributes/art:size"; |
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65 |
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66 public static final String XPATH_CHART_FORMAT = |
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67 "/art:action/art:attributes/art:format/@art:value"; |
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68 |
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69 public static final String XPATH_CHART_X_RANGE = |
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70 "/art:action/art:attributes/art:xrange"; |
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71 |
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72 public static final String XPATH_CHART_Y_RANGE = |
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73 "/art:action/art:attributes/art:yrange"; |
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74 |
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75 |
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76 /** The document of the incoming out() request.*/ |
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77 protected Document request; |
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78 |
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79 /** The output stream where the data should be written to.*/ |
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80 protected OutputStream out; |
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81 |
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82 /** The CallContext object.*/ |
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83 protected CallContext context; |
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84 |
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85 /** The artifact that is used to decorate the chart with meta information.*/ |
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86 protected Artifact master; |
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87 |
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88 /** The settings that should be used during output creation.*/ |
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89 protected Settings settings; |
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90 |
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91 |
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92 /** |
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93 * A mini interface that allows to walk over the YAXIS enums defined in |
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94 * subclasses. |
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95 */ |
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96 public interface YAxisWalker { |
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97 int length(); |
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98 String getId(int idx); |
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99 } |
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100 |
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101 |
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102 /** |
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103 * This method needs to be implemented by concrete subclasses to create new |
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104 * instances of JFreeChart. |
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105 * |
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106 * @return a new instance of a JFreeChart. |
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107 */ |
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108 public abstract JFreeChart generateChart(); |
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109 |
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110 |
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111 public abstract void doOut( |
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112 ArtifactAndFacet bundle, |
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113 Document attr, |
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114 boolean visible); |
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115 |
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116 |
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117 protected abstract YAxisWalker getYAxisWalker(); |
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118 |
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119 |
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120 /** |
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121 * Returns the default title of a chart. |
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122 * |
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123 * @return the default title of a chart. |
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124 */ |
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125 protected abstract String getDefaultChartTitle(); |
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126 |
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127 |
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128 /** |
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129 * Returns the default X-Axis label of a chart. |
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130 * |
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131 * @return the default X-Axis label of a chart. |
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132 */ |
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133 protected abstract String getDefaultXAxisLabel(); |
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134 |
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135 |
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136 /** |
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137 * This method is called to retrieve the default label for an Y axis at |
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138 * position <i>pos</i>. |
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139 * |
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140 * @param pos The position of an Y axis. |
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141 * |
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142 * @return the default Y axis label at position <i>pos</i>. |
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143 */ |
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144 protected abstract String getDefaultYAxisLabel(int pos); |
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145 |
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146 |
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147 /** |
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148 * This method should be used by concrete subclasses to add subtitle to |
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149 * <i>chart</i>. <b>The method in this implementation is empty</b>. |
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150 * |
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151 * @param chart The JFreeChart chart object. |
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152 */ |
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153 protected void addSubtitles(JFreeChart chart) { |
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154 // do nothing |
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155 } |
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156 |
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157 |
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158 /** |
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159 * Generate chart. |
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160 */ |
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161 @Override |
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162 public void generate() |
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163 throws IOException |
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164 { |
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165 logger.debug("ChartGenerator.generate"); |
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166 |
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167 JFreeChart chart = generateChart(); |
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168 |
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169 String format = getFormat(); |
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170 int[] size = getSize(); |
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171 |
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172 if (size == null) { |
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173 size = getExportDimension(); |
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174 } |
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175 |
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176 context.putContextValue("chart.width", size[0]); |
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177 context.putContextValue("chart.height", size[1]); |
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178 |
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179 if (format.equals(ChartExportHelper.FORMAT_PNG)) { |
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180 context.putContextValue("chart.image.format", "png"); |
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181 |
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182 ChartExportHelper.exportImage( |
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183 out, |
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184 chart, |
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185 context); |
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186 } |
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187 else if (format.equals(ChartExportHelper.FORMAT_PDF)) { |
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188 preparePDFContext(context); |
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189 |
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190 ChartExportHelper.exportPDF( |
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191 out, |
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192 chart, |
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193 context); |
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194 } |
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195 else if (format.equals(ChartExportHelper.FORMAT_SVG)) { |
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196 prepareSVGContext(context); |
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197 |
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198 ChartExportHelper.exportSVG( |
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199 out, |
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200 chart, |
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201 context); |
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202 } |
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203 else if (format.equals(ChartExportHelper.FORMAT_CSV)) { |
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204 context.putContextValue("chart.image.format", "csv"); |
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205 |
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206 ChartExportHelper.exportCSV( |
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207 out, |
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208 chart, |
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209 context); |
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210 } |
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211 } |
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212 |
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213 |
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214 @Override |
348
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215 public void init(Document request, OutputStream out, CallContext context) { |
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216 logger.debug("ChartGenerator.init"); |
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217 |
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218 this.request = request; |
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219 this.out = out; |
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220 this.context = context; |
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221 } |
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222 |
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223 |
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224 @Override |
412
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225 public void setMasterArtifact(Artifact master) { |
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226 this.master = master; |
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227 } |
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228 |
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229 |
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230 @Override |
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231 public void setSettings(Settings settings) { |
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232 this.settings = settings; |
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233 } |
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234 |
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235 |
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236 /** |
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237 * Returns an instance of <i>ChartSettings</i> with a chart specific section |
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238 * but with no axes settings. |
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239 * |
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240 * @return an instance of <i>ChartSettings</i>. |
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241 */ |
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242 @Override |
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243 public Settings getSettings() { |
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244 if (this.settings != null) { |
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245 return this.settings; |
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246 } |
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247 |
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248 ChartSettings settings = new ChartSettings(); |
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249 |
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250 ChartSection chartSection = buildChartSection(); |
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251 LegendSection legendSection = buildLegendSection(); |
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252 ExportSection exportSection = buildExportSection(); |
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253 |
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254 settings.setChartSection(chartSection); |
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255 settings.setLegendSection(legendSection); |
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256 settings.setExportSection(exportSection); |
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257 |
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258 List<AxisSection> axisSections = buildAxisSections(); |
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259 for (AxisSection axisSection: axisSections) { |
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260 settings.addAxisSection(axisSection); |
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261 } |
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262 |
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263 return settings; |
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264 } |
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265 |
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266 |
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267 /** |
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268 * Creates a new <i>ChartSection</i>. |
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269 * |
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270 * @return a new <i>ChartSection</i>. |
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271 */ |
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272 protected ChartSection buildChartSection() { |
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273 ChartSection chartSection = new ChartSection(); |
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274 chartSection.setTitle(getChartTitle()); |
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275 chartSection.setSubtitle(getChartSubtitle()); |
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276 chartSection.setDisplayGird(isGridVisible()); |
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277 return chartSection; |
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278 } |
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279 |
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280 |
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281 /** |
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282 * Creates a new <i>LegendSection</i>. |
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283 * |
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284 * @return a new <i>LegendSection</i>. |
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285 */ |
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286 protected LegendSection buildLegendSection() { |
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287 LegendSection legendSection = new LegendSection(); |
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288 legendSection.setVisibility(isLegendVisible()); |
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289 legendSection.setFontSize(getLegendFontSize()); |
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290 return legendSection; |
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291 } |
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292 |
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293 |
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294 /** |
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295 * Creates a new <i>ExportSection</i> with default values <b>WIDTH=600</b> |
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296 * and <b>HEIGHT=400</b>. |
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297 * |
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298 * @return a new <i>ExportSection</i>. |
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299 */ |
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300 protected ExportSection buildExportSection() { |
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301 ExportSection exportSection = new ExportSection(); |
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302 exportSection.setWidth(600); |
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303 exportSection.setHeight(400); |
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304 return exportSection; |
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305 } |
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306 |
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307 |
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308 /** |
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309 * Creates a list of Sections that contains all axes of the chart (including |
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310 * X and Y axes). |
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311 * |
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312 * @return a list of Sections for each axis in this chart. |
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313 */ |
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314 protected List<AxisSection> buildAxisSections() { |
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315 List<AxisSection> axisSections = new ArrayList<AxisSection>(); |
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316 |
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317 axisSections.addAll(buildXAxisSections()); |
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318 axisSections.addAll(buildYAxisSections()); |
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319 |
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320 return axisSections; |
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321 } |
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322 |
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323 |
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324 /** |
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325 * Creates a new Section for chart's X axis. |
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326 * |
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327 * @return a List that contains a Section for the X axis. |
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328 */ |
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329 protected List<AxisSection> buildXAxisSections() { |
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330 List<AxisSection> axisSections = new ArrayList<AxisSection>(); |
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331 |
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332 String identifier = "X"; |
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333 |
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334 AxisSection axisSection = new AxisSection(); |
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335 axisSection.setIdentifier(identifier); |
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336 axisSection.setLabel(getXAxisLabel()); |
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337 axisSection.setFontSize(14); |
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338 axisSection.setFixed(false); |
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339 |
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340 // XXX We are able to find better default ranges that [0,0], but the Y |
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341 // axes currently have no better ranges set. |
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342 axisSection.setUpperRange(0d); |
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343 axisSection.setLowerRange(0d); |
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344 |
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345 axisSections.add(axisSection); |
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346 |
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347 return axisSections; |
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348 } |
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349 |
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350 |
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351 /** |
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352 * Creates a list of Section for the chart's Y axes. This method makes use |
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353 * of <i>getYAxisWalker</i> to be able to access all Y axes defined in |
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354 * subclasses. |
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355 * |
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356 * @return a list of Y axis sections. |
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357 */ |
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358 protected List<AxisSection> buildYAxisSections() { |
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359 List<AxisSection> axisSections = new ArrayList<AxisSection>(); |
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360 |
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361 YAxisWalker walker = getYAxisWalker(); |
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362 for (int i = 0, n = walker.length(); i < n; i++) { |
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363 AxisSection ySection = new AxisSection(); |
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364 ySection.setIdentifier(walker.getId(i)); |
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365 ySection.setLabel(getYAxisLabel(i)); |
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366 ySection.setFontSize(14); |
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367 ySection.setFixed(false); |
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368 |
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369 // XXX We are able to find better default ranges that [0,0], the |
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370 // only problem is, that we do NOT have a better range than [0,0] |
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371 // for each axis, because the initial chart will not have a dataset |
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372 // for each axis set! |
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373 ySection.setUpperRange(0d); |
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374 ySection.setLowerRange(0d); |
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375 |
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376 axisSections.add(ySection); |
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377 } |
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378 |
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379 return axisSections; |
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380 } |
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381 |
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382 |
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383 /** |
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384 * Returns the <i>settings</i> as <i>ChartSettings</i>. |
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385 * |
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386 * @return the <i>settings</i> as <i>ChartSettings</i> or null, if |
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387 * <i>settings</i> is not an instance of <i>ChartSettings</i>. |
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388 */ |
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389 public ChartSettings getChartSettings() { |
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390 if (settings instanceof ChartSettings) { |
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391 return (ChartSettings) settings; |
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392 } |
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393 |
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394 return null; |
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395 } |
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396 |
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397 |
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398 /** |
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399 * Returns the chart title provided by <i>settings</i>. |
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400 * |
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401 * @param settings A ChartSettings object. |
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402 * |
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403 * @return the title provided by <i>settings</i> or null if no |
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404 * <i>ChartSection</i> is provided by <i>settings</i>. |
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405 * |
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406 * @throws NullPointerException if <i>settings</i> is null. |
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407 */ |
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408 public String getChartTitle(ChartSettings settings) { |
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409 ChartSection cs = settings.getChartSection(); |
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410 return cs != null ? cs.getTitle() : null; |
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411 } |
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412 |
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413 |
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414 /** |
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415 * Returns the chart subtitle provided by <i>settings</i>. |
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416 * |
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417 * @param settings A ChartSettings object. |
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418 * |
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419 * @return the subtitle provided by <i>settings</i> or null if no |
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420 * <i>ChartSection</i> is provided by <i>settings</i>. |
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421 * |
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422 * @throws NullPointerException if <i>settings</i> is null. |
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423 */ |
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424 public String getChartSubtitle(ChartSettings settings) { |
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425 ChartSection cs = settings.getChartSection(); |
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426 return cs != null ? cs.getSubtitle() : null; |
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427 } |
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428 |
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429 |
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430 /** |
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431 * Returns a boolean object that determines if the chart grid should be |
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432 * visible or not. This information needs to be provided by <i>settings</i>, |
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433 * otherweise the default is true. |
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434 * |
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435 * @param settings A ChartSettings object. |
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436 * |
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437 * @return true, if the chart grid should be visible otherwise false. |
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438 * |
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439 * @throws NullPointerException if <i>settings</i> is null. |
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440 */ |
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441 public boolean isGridVisible(ChartSettings settings) { |
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442 ChartSection cs = settings.getChartSection(); |
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443 Boolean displayGrid = cs.getDisplayGrid(); |
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444 |
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445 return displayGrid != null ? displayGrid : true; |
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446 } |
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447 |
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448 |
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449 /** |
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450 * Returns a boolean object that determines if the chart legend should be |
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451 * visible or not. This information needs to be provided by <i>settings</i>, |
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452 * otherwise the default is true. |
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453 * |
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454 * @param settings A ChartSettings object. |
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455 * |
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456 * @return true, if the chart legend should be visible otherwise false. |
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457 * |
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458 * @throws NullPointerException if <i>settings</i> is null. |
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459 */ |
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460 public boolean isLegendVisible(ChartSettings settings) { |
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461 LegendSection ls = settings.getLegendSection(); |
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462 Boolean displayLegend = ls.getVisibility(); |
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463 |
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464 return displayLegend != null ? displayLegend : true; |
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465 } |
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466 |
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467 |
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468 /** |
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469 * Returns the legend font size specified in <i>settings</i> or null if no |
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470 * <i>LegendSection</i> is provided by <i>settings</i>. |
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471 * |
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472 * @param settings A ChartSettings object. |
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473 * |
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474 * @return the legend font size or null. |
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475 * |
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476 * @throws NullPointerException if <i>settings</i> is null. |
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477 */ |
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478 public Integer getLegendFontSize(ChartSettings settings) { |
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479 LegendSection ls = settings.getLegendSection(); |
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480 return ls != null ? ls.getFontSize() : null; |
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481 } |
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482 |
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483 |
2233
958a10e2e246
Added a new ChartGenerator for timeseries charts and refactored some code in XYChartGenerator.
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484 /** |
2234
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485 * Returns the title of a chart. The return value depends on the existence |
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486 * of ChartSettings: if there are ChartSettings set, this method returns the |
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487 * chart title provided by those settings. Otherwise, this method returns |
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488 * getDefaultChartTitle(). |
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489 * |
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490 * @return the title of a chart. |
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491 */ |
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492 protected String getChartTitle() { |
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493 ChartSettings chartSettings = getChartSettings(); |
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494 |
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495 if (chartSettings != null) { |
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496 return getChartTitle(chartSettings); |
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497 } |
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498 |
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499 return getDefaultChartTitle(); |
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500 } |
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501 |
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502 |
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503 /** |
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504 * Returns the subtitle of a chart. The return value depends on the |
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505 * existence of ChartSettings: if there are ChartSettings set, this method |
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506 * returns the chart title provided by those settings. Otherwise, this |
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507 * method returns getDefaultChartSubtitle(). |
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508 * |
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509 * @return the subtitle of a chart. |
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510 */ |
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511 protected String getChartSubtitle() { |
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512 ChartSettings chartSettings = getChartSettings(); |
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513 |
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514 if (chartSettings != null) { |
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515 return getChartSubtitle(chartSettings); |
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516 } |
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517 |
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518 return getDefaultChartSubtitle(); |
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519 } |
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520 |
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521 |
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522 /** |
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523 * This method always returns null. Override it in subclasses that require |
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524 * subtitles. |
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525 * |
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526 * @return null. |
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527 */ |
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528 protected String getDefaultChartSubtitle() { |
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529 // Override this method in subclasses |
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530 return null; |
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531 } |
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532 |
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533 |
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534 /** |
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535 * This method is used to determine, if the chart's legend is visible or |
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536 * not. If a <i>settings</i> instance is set, this instance determines the |
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537 * visibility otherwise, this method returns true as default if no |
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538 * <i>settings</i> is set. |
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539 * |
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540 * @return true, if the legend should be visible, otherwise false. |
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541 */ |
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542 protected boolean isLegendVisible() { |
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543 ChartSettings chartSettings = getChartSettings(); |
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544 if (chartSettings != null) { |
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545 return isLegendVisible(chartSettings); |
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546 } |
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547 |
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548 return true; |
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549 } |
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550 |
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551 |
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552 /** |
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553 * This method is used to determine the font size of the chart's legend. If |
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554 * a <i>settings</i> instance is set, this instance determines the font |
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555 * size, otherwise this method returns 12 as default if no <i>settings</i> |
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556 * is set or if it doesn't provide a legend font size. |
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557 * |
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558 * @return a legend font size. |
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559 */ |
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560 protected int getLegendFontSize() { |
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561 Integer fontSize = null; |
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562 |
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563 ChartSettings chartSettings = getChartSettings(); |
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564 if (chartSettings != null) { |
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565 fontSize = getLegendFontSize(chartSettings); |
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566 } |
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567 |
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568 return fontSize != null ? fontSize : DEFAULT_FONT_SIZE; |
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569 } |
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570 |
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571 |
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572 /** |
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573 * This method is used to determine if the resulting chart should display |
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574 * grid lines or not. <b>Note: this method always returns true!</b> |
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575 * |
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576 * @return true, if the chart should display grid lines, otherwise false. |
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577 */ |
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578 protected boolean isGridVisible() { |
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579 return true; |
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580 } |
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581 |
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582 |
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583 /** |
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584 * Returns the X-Axis label of a chart. |
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585 * |
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586 * @return the X-Axis label of a chart. |
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587 */ |
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588 protected String getXAxisLabel() { |
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589 ChartSettings chartSettings = getChartSettings(); |
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590 if (chartSettings == null) { |
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591 return getDefaultXAxisLabel(); |
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592 } |
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593 |
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594 AxisSection as = chartSettings.getAxisSection("X"); |
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595 if (as != null) { |
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596 String label = as.getLabel(); |
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597 |
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598 if (label != null) { |
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599 return label; |
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600 } |
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601 } |
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602 |
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603 return getDefaultXAxisLabel(); |
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604 } |
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605 |
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606 |
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607 /** |
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608 * This method returns the font size for the X axis. If the font size is |
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609 * specified in ChartSettings (if <i>chartSettings</i> is set), this size is |
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610 * returned. Otherwise the default font size 12 is returned. |
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611 * |
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612 * @return the font size for the x axis. |
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613 */ |
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614 protected int getXAxisLabelFontSize() { |
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615 ChartSettings chartSettings = getChartSettings(); |
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616 if (chartSettings == null) { |
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617 return DEFAULT_FONT_SIZE; |
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618 } |
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619 |
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620 AxisSection as = chartSettings.getAxisSection("X"); |
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621 Integer fontSize = as.getFontSize(); |
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622 |
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623 return fontSize != null ? fontSize : DEFAULT_FONT_SIZE; |
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624 } |
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625 |
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626 |
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627 /** |
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628 * This method returns the font size for an Y axis. If the font size is |
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629 * specified in ChartSettings (if <i>chartSettings</i> is set), this size is |
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630 * returned. Otherwise the default font size 12 is returned. |
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631 * |
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632 * @return the font size for the x axis. |
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633 */ |
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634 protected int getYAxisFontSize(int pos) { |
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635 ChartSettings chartSettings = getChartSettings(); |
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636 if (chartSettings == null) { |
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637 return DEFAULT_FONT_SIZE; |
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638 } |
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639 |
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640 YAxisWalker walker = getYAxisWalker(); |
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641 |
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642 AxisSection as = chartSettings.getAxisSection(walker.getId(pos)); |
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643 Integer fontSize = as.getFontSize(); |
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644 |
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645 return fontSize != null ? fontSize : DEFAULT_FONT_SIZE; |
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646 } |
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647 |
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648 |
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649 /** |
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650 * This method returns the export dimension specified in ChartSettings as |
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651 * int array [width,height]. |
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652 * |
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653 * @return an int array with [width,height]. |
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654 */ |
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655 protected int[] getExportDimension() { |
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656 ChartSettings chartSettings = getChartSettings(); |
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657 if (chartSettings == null) { |
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658 return new int[] { 600, 400 }; |
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659 } |
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660 |
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661 ExportSection export = chartSettings.getExportSection(); |
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662 Integer width = export.getWidth(); |
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663 Integer height = export.getHeight(); |
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664 |
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665 if (width != null && height != null) { |
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666 return new int[] { width, height }; |
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667 } |
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668 |
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669 return new int[] { 600, 400 }; |
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670 } |
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671 |
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672 |
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673 /** |
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674 * Returns the Y-Axis label of a chart at position <i>pos</i>. |
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675 * |
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676 * @return the Y-Axis label of a chart at position <i>0</i>. |
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677 */ |
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678 protected String getYAxisLabel(int pos) { |
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679 ChartSettings chartSettings = getChartSettings(); |
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680 if (chartSettings == null) { |
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681 return getDefaultYAxisLabel(pos); |
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682 } |
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683 |
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684 YAxisWalker walker = getYAxisWalker(); |
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685 AxisSection as = chartSettings.getAxisSection(walker.getId(pos)); |
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686 if (as != null) { |
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687 String label = as.getLabel(); |
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688 |
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689 if (label != null) { |
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690 return label; |
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691 } |
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692 } |
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693 |
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694 return getDefaultYAxisLabel(pos); |
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695 } |
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696 |
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697 |
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698 /** |
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699 * This method searches for a specific axis in the <i>settings</i> if |
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700 * <i>settings</i> is set. If the axis was found, this method returns the |
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701 * specified axis range if the axis range is fixed. Otherwise, this method |
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702 * returns null. |
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703 * |
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704 * @param axisId The identifier of an axis. |
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705 * |
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706 * @return the specified axis range from <i>settings</i> if the axis is |
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707 * fixed, otherwise null. |
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708 */ |
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709 public Range getRangeForAxisFromSettings(String axisId) { |
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710 ChartSettings chartSettings = getChartSettings(); |
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711 if (chartSettings == null) { |
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712 return null; |
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713 } |
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714 |
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|
715 AxisSection as = chartSettings.getAxisSection(axisId); |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
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parents:
2234
diff
changeset
|
716 Boolean fixed = as.isFixed(); |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
717 |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
718 if (fixed != null && fixed) { |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
719 Double upper = as.getUpperRange(); |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
720 Double lower = as.getLowerRange(); |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
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parents:
2234
diff
changeset
|
721 |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
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parents:
2234
diff
changeset
|
722 if (upper != null && lower != null) { |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
723 return lower < upper |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
724 ? new Range(lower, upper) |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
725 : new Range(upper, lower); |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
726 } |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
727 } |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
728 |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
729 return null; |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
730 } |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
731 |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
732 |
c2b15d9c0f43
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2234
diff
changeset
|
733 /** |
2234
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
734 * This helper mehtod is used to extract the current locale from instance |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
735 * vairable <i>context</i>. |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
736 * |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
737 * @return the current locale. |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
738 */ |
1645
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
739 protected Locale getLocale() { |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
740 CallMeta meta = context.getMeta(); |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
741 PreferredLocale[] prefs = meta.getLanguages(); |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
742 |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
743 int len = prefs != null ? prefs.length : 0; |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
744 |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
745 Locale[] locales = new Locale[len]; |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
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parents:
1104
diff
changeset
|
746 |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
747 for (int i = 0; i < len; i++) { |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
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parents:
1104
diff
changeset
|
748 locales[i] = prefs[i].getLocale(); |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
749 } |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
750 |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
751 return meta.getPreferredLocale(locales); |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
752 } |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
753 |
4a8251eae217
Bugfix: #68 Set number format of chart plot axes based on the CallMeta instance for each request.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1104
diff
changeset
|
754 |
408
fc3ac59c3c8b
Enabled i18n support for charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
364
diff
changeset
|
755 protected String msg(String key, String def) { |
fc3ac59c3c8b
Enabled i18n support for charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
364
diff
changeset
|
756 return Resources.getMsg(context.getMeta(), key, def); |
fc3ac59c3c8b
Enabled i18n support for charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
364
diff
changeset
|
757 } |
fc3ac59c3c8b
Enabled i18n support for charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
364
diff
changeset
|
758 |
fc3ac59c3c8b
Enabled i18n support for charts.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
364
diff
changeset
|
759 |
412
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
760 protected String msg(String key, String def, Object[] args) { |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
761 return Resources.getMsg(context.getMeta(), key, def, args); |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
762 } |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
763 |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
764 |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
765 protected String getRiverName() { |
2132
e8fc770d2f8c
'New Chart' for computed discharge curve.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
2057
diff
changeset
|
766 FLYSArtifact flys = (FLYSArtifact) master; |
412
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
767 |
1104
9383a4608d9f
Use FLYSUtils.getRiver instead of WINFOArtifact.getRiver.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1095
diff
changeset
|
768 River river = FLYSUtils.getRiver(flys); |
9383a4608d9f
Use FLYSUtils.getRiver instead of WINFOArtifact.getRiver.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1095
diff
changeset
|
769 return (river != null) ? river.getName() : ""; |
412
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
770 } |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
771 |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
772 |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
773 protected double[] getRange() { |
2132
e8fc770d2f8c
'New Chart' for computed discharge curve.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
2057
diff
changeset
|
774 FLYSArtifact flys = (FLYSArtifact) master; |
412
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
775 |
1095
f465785ed1ae
Refactored the code to fetch the km range/locations into a utility class.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1055
diff
changeset
|
776 return FLYSUtils.getKmRange(flys); |
412
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
777 } |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
778 |
046bd86ae41d
Improved the OutGenerator interface to set a master artifact for the out generation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
408
diff
changeset
|
779 |
423
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
780 /** |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
781 * Returns the size of a chart export as array which has been specified by |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
782 * the incoming request document. |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
783 * |
2057
49b7c2b1a6a7
Make use of the export size for charts specified in ChartSettings if a chart export is requested.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2047
diff
changeset
|
784 * @return the size of a chart as [width, height] or null if no width or |
49b7c2b1a6a7
Make use of the export size for charts specified in ChartSettings if a chart export is requested.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2047
diff
changeset
|
785 * height are given in the request document. |
423
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
786 */ |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
787 protected int[] getSize() { |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
788 int[] size = new int[2]; |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
789 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
790 Element sizeEl = (Element)XMLUtils.xpath( |
423
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
791 request, |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
792 XPATH_CHART_SIZE, |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
793 XPathConstants.NODE, |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
794 ArtifactNamespaceContext.INSTANCE); |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
795 |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
796 if (sizeEl != null) { |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
797 String uri = ArtifactNamespaceContext.NAMESPACE_URI; |
423
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
798 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
799 String w = sizeEl.getAttributeNS(uri, "width"); |
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
800 String h = sizeEl.getAttributeNS(uri, "height"); |
423
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
801 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
802 if (w.length() > 0 && h.length() > 0) { |
423
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
803 try { |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
804 size[0] = Integer.parseInt(w); |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
805 size[1] = Integer.parseInt(h); |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
806 } |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
807 catch (NumberFormatException nfe) { |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
808 logger.warn("Wrong values for chart width/height."); |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
809 } |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
810 } |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
811 } |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
812 |
2057
49b7c2b1a6a7
Make use of the export size for charts specified in ChartSettings if a chart export is requested.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2047
diff
changeset
|
813 return size[0] > 0 && size[1] > 0 ? size : null; |
423
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
814 } |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
815 |
bab867fb37e8
Charts are generated using the size defined in the incoming request document.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
412
diff
changeset
|
816 |
2234
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
817 /** |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
818 * This method returns the format specified in the <i>request</i> document |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
819 * or <i>DEFAULT_CHART_FORMAT</i> if no format is specified in |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
820 * <i>request</i>. |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2233
diff
changeset
|
821 * |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
822 * @return the format used to export this chart. |
46ec09c7f578
Refactoring: moved more base code from XYChartGenerator into its parent class ChartGenerator.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
823 */ |
1735
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
824 protected String getFormat() { |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
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parents:
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diff
changeset
|
825 String format = (String) XMLUtils.xpath( |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1684
diff
changeset
|
826 request, |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
827 XPATH_CHART_FORMAT, |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
828 XPathConstants.STRING, |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
829 ArtifactNamespaceContext.INSTANCE); |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1684
diff
changeset
|
830 |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1684
diff
changeset
|
831 return format == null || format.length() == 0 |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1684
diff
changeset
|
832 ? DEFAULT_CHART_FORMAT |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
833 : format; |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
834 } |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1684
diff
changeset
|
835 |
5966a20fc72c
Enabled support for PDF and SVG chart exports.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
1684
diff
changeset
|
836 |
1944
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1768
diff
changeset
|
837 /** |
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1768
diff
changeset
|
838 * Get Range of Domain ("X"-) Axis from request. |
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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diff
changeset
|
839 */ |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
840 protected Range getDomainAxisRange() { |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
841 Element xrange = (Element)XMLUtils.xpath( |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
842 request, |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
843 XPATH_CHART_X_RANGE, |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
844 XPathConstants.NODE, |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
845 ArtifactNamespaceContext.INSTANCE); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
846 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
847 if (xrange == null) { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
848 return null; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
849 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
850 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
851 String uri = ArtifactNamespaceContext.NAMESPACE_URI; |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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diff
changeset
|
852 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
853 String lower = xrange.getAttributeNS(uri, "from"); |
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
854 String upper = xrange.getAttributeNS(uri, "to"); |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
855 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
856 if (lower.length() > 0 && upper.length() > 0) { |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
857 try { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
858 double from = Double.parseDouble(lower); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
859 double to = Double.parseDouble(upper); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
860 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
861 if (from == 0 && to == 0) { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
862 logger.debug("No range specified. Lower and upper X == 0"); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
863 return null; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
864 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
865 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
866 if (from > to) { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
867 double tmp = to; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
868 to = from; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
869 from = tmp; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
870 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
871 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
872 return new Range(from, to); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
873 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
874 catch (NumberFormatException nfe) { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
875 logger.warn("Wrong values for domain axis range."); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
876 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
877 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
878 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
879 return null; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
880 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
881 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
882 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
883 protected Range getValueAxisRange() { |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
884 Element yrange = (Element)XMLUtils.xpath( |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
885 request, |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
886 XPATH_CHART_Y_RANGE, |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
887 XPathConstants.NODE, |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
888 ArtifactNamespaceContext.INSTANCE); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
889 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
890 if (yrange == null) { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
891 return null; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
892 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
893 |
1944
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1768
diff
changeset
|
894 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
895 String uri = ArtifactNamespaceContext.NAMESPACE_URI; |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
896 |
1944
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1768
diff
changeset
|
897 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
898 String lower = yrange.getAttributeNS(uri, "from"); |
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
899 String upper = yrange.getAttributeNS(uri, "to"); |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
900 |
719
035c0095b427
Draw correction curve again.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
695
diff
changeset
|
901 if (lower.length() > 0 && upper.length() > 0) { |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
902 try { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
903 double from = Double.parseDouble(lower); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
904 double to = Double.parseDouble(upper); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
905 |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
906 if (from == 0 && to == 0) { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
907 logger.debug("No range specified. Lower and upper Y == 0"); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
908 return null; |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
909 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
910 |
1944
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1768
diff
changeset
|
911 return from > to |
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1768
diff
changeset
|
912 ? new Range(to, from) |
21a4d2c677a1
Changed doOut signature, side effect from blackboard feature (to come).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
1768
diff
changeset
|
913 : new Range(from, to); |
652
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
914 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
915 catch (NumberFormatException nfe) { |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
916 logger.warn("Wrong values for value axis range."); |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
917 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
423
diff
changeset
|
918 } |
8fa4c5c9cd1a
Charts are zoomed to a specified view if the attribute document for the chart creation contains an x and/or y range.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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919 |
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920 return null; |
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921 } |
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922 |
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923 |
423
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924 /** |
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925 * Returns the default size of a chart export as array. |
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926 * |
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927 * @return the default size of a chart as [width, height]. |
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928 */ |
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929 protected int[] getDefaultSize() { |
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930 return new int[] { DEFAULT_CHART_WIDTH, DEFAULT_CHART_HEIGHT }; |
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931 } |
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932 |
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933 |
1979
a7c437c9547e
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934 /** |
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935 * Creates a new instance of <i>IdentifiableNumberAxis</i>. |
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936 * |
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937 * @param idx The index of the new axis. |
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938 * @param label The label of the new axis. |
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939 * |
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940 * @return an instance of IdentifiableNumberAxis. |
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941 */ |
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942 protected NumberAxis createNumberAxis(int idx, String label) { |
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943 YAxisWalker walker = getYAxisWalker(); |
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944 |
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945 return new IdentifiableNumberAxis(walker.getId(idx), label); |
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946 } |
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947 |
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948 |
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949 /** |
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950 * Creates a new LegendItem with <i>name</i> and font provided by |
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951 * <i>createLegendLabelFont()</i>. |
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952 * |
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953 * @param theme The theme of the chart line. |
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954 * @param The displayed name of the item. |
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955 * |
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956 * @return a new LegendItem instance. |
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957 */ |
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958 public LegendItem createLegendItem(Document theme, String name) { |
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959 // OPTIMIZE Pass font, parsed Theme items. |
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960 ThemeAccess themeAccess = new ThemeAccess(theme); |
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961 |
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962 Color color = themeAccess.parseLineColorField(); |
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963 LegendItem legendItem = new LegendItem(name, color); |
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964 |
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965 legendItem.setLabelFont(createLegendLabelFont()); |
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966 return legendItem; |
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967 } |
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968 |
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969 |
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970 /** |
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971 * Creates Font (Family and size) to use when creating Legend Items. The |
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972 * font size depends in the return value of <i>getLegendFontSize()</i>. |
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973 * |
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974 * @return a new Font instance with <i>DEFAULT_FONT_NAME</i>. |
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975 */ |
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976 protected Font createLegendLabelFont() { |
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977 return new Font( |
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978 DEFAULT_FONT_NAME, |
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979 Font.PLAIN, |
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980 getLegendFontSize() |
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981 ); |
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982 } |
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983 |
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984 |
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985 protected void preparePDFContext(CallContext context) { |
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986 int[] dimension = getExportDimension(); |
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987 |
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988 context.putContextValue("chart.width", dimension[0]); |
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989 context.putContextValue("chart.height", dimension[1]); |
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990 context.putContextValue("chart.marginLeft", 5f); |
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991 context.putContextValue("chart.marginRight", 5f); |
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992 context.putContextValue("chart.marginTop", 5f); |
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993 context.putContextValue("chart.marginBottom", 5f); |
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994 context.putContextValue( |
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995 "chart.page.format", |
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996 ChartExportHelper.DEFAULT_PAGE_SIZE); |
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997 } |
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998 |
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999 |
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1000 protected void prepareSVGContext(CallContext context) { |
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1001 int[] dimension = getExportDimension(); |
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1002 |
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1003 context.putContextValue("chart.width", dimension[0]); |
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1004 context.putContextValue("chart.height", dimension[1]); |
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1005 context.putContextValue( |
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1006 "chart.encoding", |
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1007 ChartExportHelper.DEFAULT_ENCODING); |
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1008 } |
348
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1009 } |
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1010 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |