Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/DiagramAttributes.java @ 7099:24f153ad1f40 generator-refactoring

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Use pre-converted diagram attributes now.
author Sascha L. Teichmann <teichmann@intevation.de>
date Mon, 23 Sep 2013 12:28:22 +0200
parents f0731aa7b735
children 038a04e001d7
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.exports;
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10
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11 import java.util.ArrayList;
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12 import java.util.List;
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13
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14 import org.w3c.dom.Element;
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15 import org.w3c.dom.NodeList;
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16
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17 import org.dive4elements.river.exports.process.Processor;
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18
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19 import org.apache.log4j.Logger;
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20
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21 import org.dive4elements.artifacts.CallContext;
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22
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23 import org.dive4elements.river.artifacts.resources.Resources;
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24 import org.dive4elements.river.artifacts.D4EArtifact;
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25
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26 import org.dive4elements.artifacts.common.utils.ElementConverter;
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27
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28 public class DiagramAttributes
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29 implements ElementConverter
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30 {
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31 private static Logger log = Logger.getLogger(DiagramAttributes.class);
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32
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33 public class Instance {
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34
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35 private List<Processor> processors;
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36
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37 public Instance() {
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38 processors = createProcessors();
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39 }
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40
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41 private List<Processor> createProcessors() {
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42 List<Processor> processors =
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43 new ArrayList<Processor>(axesProcessors.size());
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44 for (AxisProcessor ap: axesProcessors) {
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45 Processor pr = ap.createProcessor();
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46 if (pr != null) {
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47 processors.add(pr);
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48 }
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49 }
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50 return processors;
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51 }
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52
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53 public Processor getProcessorForAxisName(String axisName) {
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54 for (Processor pr: processors) {
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55 String aName = pr.getAxisName();
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56 if (aName != null && axisName.equals(aName)) {
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57 return pr;
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58 }
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59 }
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60 return null;
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61 }
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62
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63 public List<Processor> getProcessors() {
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64 return processors;
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65 }
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66
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67 public Title getTitle() {
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68 return DiagramAttributes.this.getTitle();
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69 }
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70
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71 public Title getSubtitle() {
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72 return DiagramAttributes.this.getSubtitle();
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73 }
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74
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75 public Title getDomainAxisTitle() {
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76 return DiagramAttributes.this.getDomainAxisTitle();
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77 }
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78
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79 public int getAxisIndex(String axisName) {
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80 return DiagramAttributes.this.getAxisIndex(axisName);
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81 }
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82
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83 public String getAxisName(int index) {
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84 return DiagramAttributes.this.getAxisName(index);
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85 }
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86
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87 public List<AxisAttributes> getAxesAttributes() {
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88 return DiagramAttributes.this.getAxesAttributes();
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89 }
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90 } // class Instance
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91
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92 public static class AxisAttributes {
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93 private String name;
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94 private boolean isLeftAlign;
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95 private boolean forceAlign;
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96 private boolean includeZero;
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97
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98 public AxisAttributes() {
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99 }
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100
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101 public AxisAttributes(
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102 String name,
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103 boolean isLeftAlign,
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104 boolean forceAlign,
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105 boolean includeZero
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106 ) {
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107 this.name = name;
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108 this.isLeftAlign = isLeftAlign;
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109 this.forceAlign = forceAlign;
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110 this.includeZero = includeZero;
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111 }
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112
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113 public String getName() {
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114 return name;
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115 }
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116
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117 public boolean isLeftAlign() {
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118 return isLeftAlign;
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119 }
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120
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121 public boolean forceAlign() {
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122 return forceAlign;
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123 }
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124
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125 public boolean includeZero() {
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126 return includeZero;
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127 }
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128 } // class AxisAttributes
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129
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130 public static class AxisProcessor {
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131
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132 private Class<Processor> processorClass;
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133 private String axisName;
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134
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135 public AxisProcessor(Class<Processor> processorClass, String axisName) {
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136 this.processorClass = processorClass;
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137 this.axisName = axisName;
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138 }
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139
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140 public Processor createProcessor() {
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141 try {
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142 Processor pr = processorClass.newInstance();
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143 pr.setAxisName(axisName);
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144 return pr;
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145 }
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146 catch (InstantiationException ie) {
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147 log.error(ie, ie);
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148 }
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149 catch (IllegalAccessException iae) {
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150 log.error(iae, iae);
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151 }
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152 return null;
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153 }
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154
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155 } // class AxisProcessor
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156
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157 public static class Argument {
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158 private String expression;
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159 private String type;
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160
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161 public Argument() {
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162 }
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163
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164 public Argument(String expression, String type) {
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165 this.expression = expression;
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166 this.type = type;
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167 }
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168
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169 public Object evaluate(D4EArtifact artifact, CallContext context) {
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170 if (expression.startsWith("artifact.")) {
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171 String value = artifact.getDataAsString(
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172 expression.substring("artifact.".length()));
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173 return convert(value);
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174 }
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175 if (expression.startsWith("context.")) {
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176 return context.getContextValue(
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177 expression.substring("context.".length()));
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178 }
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179 return expression;
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180 }
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181
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182 private Object convert(String value) {
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183 if (value == null || type == null) {
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184 return value;
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185 }
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186 if ("double".equals(type)) {
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187 return Double.valueOf(value);
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188 }
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189 if ("int".equals(type)) {
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190 return Integer.valueOf(value);
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191 }
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192 // TODO: more types
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193 return value;
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194 }
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195 } // class Argument
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196
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197 public static class Title {
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198
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199 private String key;
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200 private String def;
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201 private List<Argument> arguments;
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202
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203 public Title() {
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204 arguments = new ArrayList<Argument>(5);
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205 }
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206
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207 public Title(String key) {
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208 this(key, key);
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209 }
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210
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211 public Title(String key, String def) {
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212 this();
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213 this.key = key;
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214 this.def = def;
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215 }
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216
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217 public String getKey() {
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218 return key;
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219 }
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220
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221 public void addArgument(Argument argument) {
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222 arguments.add(argument);
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223 }
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224
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225 public String evaluate(D4EArtifact artifact, CallContext context) {
7048
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226 if (key == null || key.isEmpty()) {
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227 return def;
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228 }
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229 Object [] args = new Object[arguments.size()];
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230 for (int i = 0; i < args.length; ++i) {
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231 args[i] = arguments.get(i).evaluate(artifact, context);
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232 }
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233 return Resources.getMsg(context.getMeta(), key, def, args);
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234 }
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235 } // class Title
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236
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237 private List<AxisAttributes> axesAttrs;
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238 private List<AxisProcessor> axesProcessors;
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239
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240 private Title title;
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241 private Title subtitle;
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242 private Title domainAxisTitle;
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243
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244 public DiagramAttributes() {
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245 axesAttrs = new ArrayList<AxisAttributes>(5);
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246 axesProcessors = new ArrayList<AxisProcessor>(5);
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247 }
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248
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249 @Override
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250 public Object convert(Element config) {
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251 parseAxis(config);
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252 parseProcessors(config);
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253 parseTitle(config);
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254 parseSubtitle(config);
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255 parseDomainAxisTitle(config);
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256 return this;
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257 }
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258
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259 public List<AxisAttributes> getAxesAttributes() {
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260 return axesAttrs;
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261 }
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262
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263 private void parseAxis(Element config) {
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264 NodeList axisNodes = config.getElementsByTagName("axis");
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265
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266 for (int i = 0, N = axisNodes.getLength(); i < N; ++i) {
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267 Element axisElement = (Element)axisNodes.item(i);
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268 String name = axisElement.getAttribute("name").trim();
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269 String align = axisElement.getAttribute("align").trim();
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270 String includeZero =
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271 axisElement.getAttribute("include-zero").trim();
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272 if (name.isEmpty()) {
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273 continue;
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274 }
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275 boolean isleftAlign = false;
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276 boolean forceAlign = false;
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diff changeset
277 for (String part: align.split("[\\s,]")) {
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diff changeset
278 part = part.trim();
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279 if ("left" .equals(part)) isleftAlign = true;
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280 else if ("right".equals(part)) isleftAlign = false;
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diff changeset
281 else if ("force".equals(part)) forceAlign = true;
165ea04b1545 Added alignment rules for diagrams.
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282 }
7062
4310c612a986 Added 'include-zero' attribute to <axis> tag in diagram configuration.
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283
4310c612a986 Added 'include-zero' attribute to <axis> tag in diagram configuration.
Sascha L. Teichmann <teichmann@intevation.de>
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diff changeset
284 axesAttrs.add(new AxisAttributes(
4310c612a986 Added 'include-zero' attribute to <axis> tag in diagram configuration.
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285 name, isleftAlign, forceAlign,
4310c612a986 Added 'include-zero' attribute to <axis> tag in diagram configuration.
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286 includeZero.equals("true")));
7040
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287 }
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288 }
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289
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290 public List<AxisProcessor> getAxesProcessors() {
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291 return axesProcessors;
7040
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292 }
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293
7048
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294 public Title getTitle() {
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295 return title;
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296 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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297
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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298 public Title getSubtitle() {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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299 return subtitle;
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300 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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301
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302 public Title getDomainAxisTitle() {
4f6b3ba542de Added domain axis title to diagram attributes.
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303 return domainAxisTitle;
4f6b3ba542de Added domain axis title to diagram attributes.
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304 }
4f6b3ba542de Added domain axis title to diagram attributes.
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305
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306 private void parseProcessors(Element config) {
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307 NodeList processorNodes = config.getElementsByTagName("processor");
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308
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309 for (int i = 0, N = processorNodes.getLength(); i < N; ++i) {
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310 Element processorElement = (Element)processorNodes.item(i);
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311 String className = processorElement.getAttribute("class").trim();
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312 String axisName = processorElement.getAttribute("axis").trim();
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313 if (className.isEmpty() || axisName.isEmpty()) {
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314 continue;
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315 }
f3cdc620b666 Added first version of diagram attribute parser.
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316
f3cdc620b666 Added first version of diagram attribute parser.
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317 try {
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318 Class<Processor> processorClass =
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319 (Class<Processor>)Class.forName(className);
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320 axesProcessors.add(new AxisProcessor(processorClass, axisName));
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321 }
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322 catch (ClassNotFoundException cnfe) {
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323 log.error(cnfe, cnfe);
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324 }
f3cdc620b666 Added first version of diagram attribute parser.
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parents:
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325 }
f3cdc620b666 Added first version of diagram attribute parser.
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parents:
diff changeset
326 }
7048
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
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diff changeset
327
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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328 private void parseTitle(Element config) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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329 title = extractTitle(config, "title");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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parents: 7042
diff changeset
330 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
331
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
332 private void parseSubtitle(Element config) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
333 subtitle = extractTitle(config, "subtitle");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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parents: 7042
diff changeset
334 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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parents: 7042
diff changeset
335
7061
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diff changeset
336 private void parseDomainAxisTitle(Element config) {
4f6b3ba542de Added domain axis title to diagram attributes.
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diff changeset
337 domainAxisTitle = extractTitle(config, "domain-axis");
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parents: 7060
diff changeset
338 }
4f6b3ba542de Added domain axis title to diagram attributes.
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diff changeset
339
7048
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diff changeset
340 private static Title extractTitle(Element config, String tagName) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
341 NodeList titleNodes = config.getElementsByTagName(tagName);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
342 if (titleNodes.getLength() < 1) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
343 return null;
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
344 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
345 Element titleElement = (Element)titleNodes.item(0);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
346 String key = titleElement.getAttribute("key");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
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diff changeset
347 String def = titleElement.getAttribute("default");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
348 Title title = new Title(key, def);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
349 NodeList argumentNodes = titleElement.getElementsByTagName("arg");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
350 for (int i = 0, N = argumentNodes.getLength(); i < N; ++i) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
351 Element argumentElement = (Element)argumentNodes.item(i);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
352 String expression = argumentElement.getAttribute("expr");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
353 String type = argumentElement.getAttribute("type");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
354 title.addArgument(new Argument(expression, type));
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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diff changeset
355 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
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parents: 7042
diff changeset
356 return title;
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
357 }
7060
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
358
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
359 public int getAxisIndex(String axisName) {
7061
4f6b3ba542de Added domain axis title to diagram attributes.
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parents: 7060
diff changeset
360 for (int i = axesAttrs.size()-1; i >= 0; --i) {
7060
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
361 if (axesAttrs.get(i).getName().equals(axisName)) {
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
362 return i;
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
363 }
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
364 }
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
365 return -1;
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
366 }
7068
726d998dce29 Remove Axis Walker, unabstract Diagram generator
Andre Heinecke <aheinecke@intevation.de>
parents: 7062
diff changeset
367
726d998dce29 Remove Axis Walker, unabstract Diagram generator
Andre Heinecke <aheinecke@intevation.de>
parents: 7062
diff changeset
368 public String getAxisName(int index) {
7099
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
369 return index < 0 || index >= axesAttrs.size()
24f153ad1f40 Use pre-converted diagram attributes now.
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parents: 7084
diff changeset
370 ? "" // null?
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
371 : axesAttrs.get(index).getName();
7068
726d998dce29 Remove Axis Walker, unabstract Diagram generator
Andre Heinecke <aheinecke@intevation.de>
parents: 7062
diff changeset
372 }
7040
f3cdc620b666 Added first version of diagram attribute parser.
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parents:
diff changeset
373 }
f3cdc620b666 Added first version of diagram attribute parser.
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parents:
diff changeset
374 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org