Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/exports/CrossSectionGenerator.java @ 1684:bdb05dc9b763
Bugfix: #353 Enabled chart's to be drawn with proper axes set even if no data is contained.
flys-artifacts/trunk@2902 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Fri, 07 Oct 2011 10:51:09 +0000 |
parents | fbe18ad4caff |
children | 0053a4529f2f |
rev | line source |
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1111
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1 package de.intevation.flys.exports; |
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2 |
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3 import org.apache.log4j.Logger; |
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4 |
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5 import org.jfree.chart.JFreeChart; |
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6 import org.jfree.chart.axis.NumberAxis; |
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7 import org.jfree.chart.plot.XYPlot; |
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8 import org.jfree.chart.title.TextTitle; |
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9 import org.jfree.data.xy.XYSeries; |
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10 |
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11 import org.w3c.dom.Document; |
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12 |
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13 import de.intevation.artifacts.Artifact; |
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14 |
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15 import de.intevation.artifactdatabase.state.Facet; |
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16 |
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17 import de.intevation.flys.artifacts.FLYSArtifact; |
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18 import de.intevation.flys.artifacts.WINFOArtifact; |
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19 |
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20 import de.intevation.flys.artifacts.model.FacetTypes; |
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21 |
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22 |
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23 /** |
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24 * An OutGenerator that generates cross section graphs. |
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25 */ |
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26 public class CrossSectionGenerator |
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27 extends XYChartGenerator |
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28 implements FacetTypes |
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29 { |
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30 /** The logger that is used in this generator. */ |
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31 private static Logger logger = |
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32 Logger.getLogger(CrossSectionGenerator.class); |
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33 |
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34 public static final String I18N_CHART_TITLE = |
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35 "chart.cross_section.title"; |
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36 |
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37 public static final String I18N_CHART_SUBTITLE = |
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38 "chart.cross_section.subtitle"; |
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39 |
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40 public static final String I18N_XAXIS_LABEL = |
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41 "chart.cross_section.xaxis.label"; |
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42 |
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43 public static final String I18N_YAXIS_LABEL = |
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44 "chart.cross_section.yaxis.label"; |
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45 |
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46 public static final String I18N_CHART_TITLE_DEFAULT = "Querprofildiagramm"; |
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47 public static final String I18N_XAXIS_LABEL_DEFAULT = "Abstand [m]"; |
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48 public static final String I18N_YAXIS_LABEL_DEFAULT = "W [NN + m]"; |
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49 |
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50 |
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51 /** Trivial Constructor. */ |
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52 public CrossSectionGenerator() { |
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53 super(); |
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54 } |
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55 |
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56 |
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57 /** |
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58 * Get localized chart title. |
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59 */ |
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60 protected String getChartTitle() { |
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61 // TODO get river etc for localized heading |
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62 Object[] i18n_msg_args = new Object[] { |
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63 getRiverName() |
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64 }; |
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65 return msg(I18N_CHART_TITLE, I18N_CHART_TITLE_DEFAULT, i18n_msg_args); |
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66 } |
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67 |
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68 |
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69 /** |
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70 * Add localized subtitle to chart. |
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71 */ |
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72 @Override |
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73 protected void addSubtitles(JFreeChart chart) { |
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74 double[] dist = getRange(); |
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75 |
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76 Object[] args = new Object[] { |
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77 getRiverName(), |
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78 getKm() |
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79 }; |
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80 |
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81 String subtitle = msg(I18N_CHART_SUBTITLE, "", args); |
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82 chart.addSubtitle(new TextTitle(subtitle)); |
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83 } |
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84 |
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85 |
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86 /** |
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87 * Get localized X Axis label. |
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88 */ |
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89 protected String getXAxisLabel() { |
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90 return msg(I18N_XAXIS_LABEL, I18N_XAXIS_LABEL_DEFAULT); |
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91 } |
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92 |
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93 |
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94 /** |
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95 * Get cross_section.km data from artifact. |
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96 */ |
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97 protected Double getKm() { |
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98 try { |
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99 WINFOArtifact winfo = (WINFOArtifact) master; |
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100 return winfo.getCrossSectionSnapKm(); |
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101 } |
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102 catch (Exception e) { |
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103 logger.error("Cannot convert cross_section.km to double"); |
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104 return 0.0d; |
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105 } |
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106 } |
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107 |
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108 |
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109 /** |
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110 * Get localized Y Axis label. |
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111 */ |
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112 protected String getYAxisLabel() { |
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113 return msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT); |
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114 } |
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115 |
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116 |
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117 protected void adjustAxes(XYPlot plot) { |
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118 super.adjustAxes(plot); |
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119 |
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120 NumberAxis qAxis = new NumberAxis( |
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121 msg(I18N_YAXIS_LABEL, I18N_YAXIS_LABEL_DEFAULT)); |
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122 |
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123 plot.setRangeAxis(1, qAxis); |
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124 } |
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125 |
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126 |
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127 /** |
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128 * Let one facet do its job. |
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129 */ |
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130 public void doOut( |
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131 Artifact artifact, |
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132 Facet facet, |
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133 Document attr, |
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134 boolean visible |
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135 ) { |
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136 String name = facet.getName(); |
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137 |
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138 logger.debug("CrossSectionGenerator.doOut: " + name); |
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139 |
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140 if (name == null) { |
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141 logger.error("No facet name for doOut(). No output generated!"); |
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142 return; |
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143 } |
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144 |
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145 FLYSArtifact flys = (FLYSArtifact) artifact; |
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146 Facet f = flys.getNativeFacet(facet); |
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147 |
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148 if (f == null) { |
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149 return; |
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150 } |
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151 |
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152 if (name.equals(CROSS_SECTION)) { |
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153 doCrossSectionOut( |
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154 f.getData(artifact, context), |
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155 f.getDescription(), |
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156 attr, |
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157 visible); |
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158 } |
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159 else if (name.equals(CROSS_SECTION_WATER_LINE)) { |
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160 doCrossSectionWaterLineOut( |
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161 f.getData(artifact, context), |
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162 f.getDescription(), |
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163 attr, |
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164 visible); |
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165 } |
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166 else { |
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167 logger.warn("CrossSection.doOut: Unknown facet name: " + name); |
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168 return; |
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169 } |
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170 } |
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171 |
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172 |
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173 /** |
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174 * Do cross sections waterline out. |
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175 * |
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176 * @param seriesName name of the data (line) to display in legend. |
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177 * @param theme Theme for the data series. |
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178 */ |
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179 protected void doCrossSectionWaterLineOut( |
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180 Object o, |
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181 String seriesName, |
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182 Document theme, |
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183 boolean visible |
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184 ) { |
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185 logger.debug("CrossSectionGenerator.doCrossSectionWaterLineOut"); |
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186 |
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187 XYSeries series = new StyledXYSeries(seriesName, theme); |
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188 |
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189 double[][] a = (double [][]) o; |
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190 double [] pxs = a[0]; |
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191 for (int i = 0; i < pxs.length; i++) { |
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192 series.add (a[0][i], a[1][i]); |
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193 } |
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194 addFirstAxisSeries(series, visible); |
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195 } |
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196 |
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197 |
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198 /** |
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199 * Do cross sections out. |
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200 * |
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201 * @param seriesName name of the data (line) to display in legend. |
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202 * @param theme Theme for the data series. |
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203 */ |
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204 protected void doCrossSectionOut( |
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205 Object o, |
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206 String seriesName, |
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207 Document theme, |
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208 boolean visible |
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209 ) { |
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210 logger.debug("CrossSectionGenerator.doCrossSectionOut"); |
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211 |
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212 XYSeries series = new StyledXYSeries(seriesName, theme); |
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213 |
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214 double[][] a = (double [][]) o; |
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215 double [] pxs = a[0]; |
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216 for (int i = 0; i < pxs.length; i++) { |
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217 series.add (a[0][i], a[1][i]); |
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218 } |
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219 addFirstAxisSeries(series, visible); |
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220 } |
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221 } |
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222 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |