Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/DiagramAttributes.java @ 8889:f87f435df856

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Allow to configure lower and upper margin of a chart axis
author gernotbelger
date Wed, 14 Feb 2018 18:45:01 +0100
parents 32db4f89b65f
children 87a242425467
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, D4EArtifact.FacetFilter
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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 interface Evaluator {
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34 Object evaluate(D4EArtifact artifact, CallContext context);
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35 } // interface Evaluator
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36
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37 public static final Evaluator TRUE = new Evaluator() {
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38 @Override
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39 public Object evaluate(D4EArtifact artifact, CallContext context) {
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40 return Boolean.TRUE;
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41 }
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42 };
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43
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44 public static final Evaluator FALSE = new Evaluator() {
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45 @Override
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46 public Object evaluate(D4EArtifact artifact, CallContext context) {
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47 return Boolean.FALSE;
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48 }
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49 };
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50
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51 public class Instance {
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52
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53 private List<Processor> processors;
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54
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55 public Instance() {
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56 processors = createProcessors();
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57 }
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58
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59 private List<Processor> createProcessors() {
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60 List<Processor> processors =
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61 new ArrayList<Processor>(axesProcessors.size());
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62 for (AxisProcessor ap: axesProcessors) {
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63 Processor pr = ap.createProcessor();
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64 if (pr != null) {
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65 processors.add(pr);
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66 }
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67 }
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68 return processors;
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69 }
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70
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71 public List<Processor> getProcessorsForAxisName(String axisName) {
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72 List<Processor> retval = new ArrayList<Processor>(5);
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73 for (Processor pr: processors) {
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74 String aName = pr.getAxisName();
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75 if (aName != null && axisName.equals(aName)) {
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76 retval.add(pr);
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77 }
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78 }
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79 return retval;
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80 }
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81
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82 public List<Processor> getProcessors() {
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83 return processors;
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84 }
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85
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86 public Title getTitle() {
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87 return DiagramAttributes.this.getTitle();
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88 }
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89
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90 public Title getSubtitle() {
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91 return DiagramAttributes.this.getSubtitle();
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92 }
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93
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94 public DomainAxisAttributes getDomainAxis() {
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95 return DiagramAttributes.this.getDomainAxis();
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96 }
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97
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98 public int getAxisIndex(String axisName) {
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99 return DiagramAttributes.this.getAxisIndex(axisName);
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100 }
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101
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102 public String getAxisName(int index) {
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103 return DiagramAttributes.this.getAxisName(index);
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104 }
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105
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106 public List<AxisAttributes> getAxesAttributes() {
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107 return DiagramAttributes.this.getAxesAttributes();
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108 }
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109 } // class Instance
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110
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111 public static class AxisAttributes {
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112 private final String name;
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113 private final boolean isLeftAlign; // TODO: Remove!
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114 private final boolean forceAlign; // TODO: Remove!
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115 private final boolean includeZero; // TODO: Use Evaluator
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116
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117 private final Evaluator isInverted;
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118 private final Evaluator isLog;
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119 private final double lowerMargin;
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120 private final double upperMargin;
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121
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122 public AxisAttributes(
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123 String name,
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124 boolean isLeftAlign,
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125 boolean forceAlign,
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126 boolean includeZero,
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127 Evaluator isInverted,
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128 Evaluator isLog,
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129 double lowerMargin,
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130 double upperMargin
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131 ) {
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132 this.name = name;
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133 this.isLeftAlign = isLeftAlign;
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134 this.forceAlign = forceAlign;
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135 this.includeZero = includeZero;
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136 this.isInverted = isInverted;
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137 this.isLog = isLog;
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138 this.lowerMargin = lowerMargin;
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139 this.upperMargin = upperMargin;
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140 }
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141
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142 public String getName() {
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143 return name;
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144 }
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145
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146 public boolean isLeftAlign() {
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147 return isLeftAlign;
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148 }
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149
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150 public boolean forceAlign() {
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151 return forceAlign;
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152 }
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153
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154 public boolean includeZero() {
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155 return includeZero;
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156 }
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157
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158 public Evaluator isInverted() {
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159 return isInverted;
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160 }
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161
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162 public Evaluator isLog() {
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163 return isLog;
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164 }
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165
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166 public double getLowerMargin() {
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167 return this.lowerMargin;
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168 }
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169
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170 public double getUpperMargin() {
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171 return this.upperMargin;
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172 }
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173 } // class AxisAttributes
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174
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175 public class DomainAxisAttributes extends AxisAttributes {
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176
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177 private Title title;
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178
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179 public DomainAxisAttributes(
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180 String name,
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181 boolean isLeftAlign,
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182 boolean forceAlign,
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183 boolean includeZero,
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184 Evaluator isInverted,
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185 Evaluator isLog,
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186 Title title
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187 ) {
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188 super(name, isLeftAlign, forceAlign, includeZero, isInverted,
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189 isLog, 0.0, 0.0);
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190 this.title = title;
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191 }
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192
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193 public Title getTitle() {
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194 return title;
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195 }
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196 } // class DomainAxisAttributes
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197
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198 public static class AxisProcessor {
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199
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200 private Class<Processor> processorClass;
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201 private String axisName;
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202
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203 public AxisProcessor(Class<Processor> processorClass, String axisName) {
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204 this.processorClass = processorClass;
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205 this.axisName = axisName;
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206 }
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207
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208 public Processor createProcessor() {
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209 try {
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210 Processor pr = processorClass.newInstance();
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211 pr.setAxisName(axisName);
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212 return pr;
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213 }
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214 catch (InstantiationException ie) {
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215 log.error(ie, ie);
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216 }
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217 catch (IllegalAccessException iae) {
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218 log.error(iae, iae);
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219 }
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220 return null;
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221 }
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222
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223 } // class AxisProcessor
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224
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225 public abstract static class ConvertEvaluator
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226 implements Evaluator
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227 {
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228 protected String key;
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229 protected String type;
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230
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231 public ConvertEvaluator() {
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232 }
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233
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234 public ConvertEvaluator(String key, String type) {
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235 this.key = key;
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236 this.type = type;
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237 }
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238
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239 protected Object convert(Object value) {
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240 if (value == null || type == null || type.isEmpty()) {
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241 return value;
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242 }
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243 if (value instanceof String) {
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244 String v = (String)value;
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245 if ("double".equals(type)) {
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246 return Double.valueOf(v);
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247 }
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248 if ("int".equals(type)) {
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249 return Integer.valueOf(v);
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250 }
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251 if ("string".equals(type)) {
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252 return v;
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253 }
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254 }
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255 // TODO: Support more types
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256 return value;
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257 }
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258 } // class ConvertEvaluator
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259
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260 public static class ContextEvaluator extends ConvertEvaluator {
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261
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262 public ContextEvaluator() {
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263 }
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264
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265 public ContextEvaluator(String key, String type) {
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266 super(key, type);
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267 }
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268
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269 @Override
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270 public Object evaluate(D4EArtifact artifact, CallContext context) {
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271 return convert(context.getContextValue(key));
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272 }
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273 } // class ContextEvaluator
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274
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275 public static class ArtifactEvaluator extends ConvertEvaluator {
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276
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277 public ArtifactEvaluator() {
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278 }
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279
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280 public ArtifactEvaluator(String key, String type) {
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281 super(key, type);
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282 }
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283
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284 @Override
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285 public Object evaluate(D4EArtifact artifact, CallContext context) {
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286 return convert(artifact.getDataAsString(key));
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287 }
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288 } // class ContextEvaluator
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289
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290 public static class StringEvaluator implements Evaluator {
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291
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292 private String value;
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293
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294 public StringEvaluator() {
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295 }
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296 public StringEvaluator(String value) {
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297 this.value = value;
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298 }
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299
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300 @Override
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301 public Object evaluate(D4EArtifact artifact, CallContext context) {
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302 return value;
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303 }
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304 } // class StringEvaluator
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305
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306 public static class Title {
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307
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308 private String key;
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309 private String def;
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310 private List<Evaluator> arguments;
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311
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312 public Title() {
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313 arguments = new ArrayList<Evaluator>(5);
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314 }
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315
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316 public Title(String key) {
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317 this(key, key);
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318 }
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319
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320 public Title(String key, String def) {
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321 this();
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322 this.key = key;
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323 this.def = def;
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324 }
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325
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326 public String getKey() {
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327 return key;
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328 }
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329
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330 public void addArgument(Evaluator argument) {
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331 arguments.add(argument);
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332 }
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333
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334 public String evaluate(D4EArtifact artifact, CallContext context) {
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335 if (key == null || key.isEmpty()) {
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336 return def;
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337 }
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338 Object [] args = new Object[arguments.size()];
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339 for (int i = 0; i < args.length; ++i) {
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340 args[i] = arguments.get(i).evaluate(artifact, context);
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341 }
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342 return Resources.getMsg(context.getMeta(), key, def, args);
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343 }
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344 } // class Title
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345
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346 private List<AxisAttributes> axesAttrs;
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347 private List<AxisProcessor> axesProcessors;
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348
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349 private Title title;
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350 private Title subtitle;
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351
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352 private DomainAxisAttributes domainAxis;
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353
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354 public DiagramAttributes() {
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355 axesAttrs = new ArrayList<AxisAttributes>(5);
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356 axesProcessors = new ArrayList<AxisProcessor>(5);
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357 }
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358
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359 @Override
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360 public Object convert(Element config) {
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361 parseAxis(config);
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362 parseProcessors(config);
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363 parseTitle(config);
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364 parseSubtitle(config);
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365 parseDomainAxis(config);
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366 return this;
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367 }
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368
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369 public List<AxisAttributes> getAxesAttributes() {
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370 return axesAttrs;
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371 }
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372
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373 private void parseAxis(Element config) {
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374 NodeList axisNodes = config.getElementsByTagName("axis");
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375
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376 for (int i = 0, N = axisNodes.getLength(); i < N; ++i) {
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377 Element axisElement = (Element)axisNodes.item(i);
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378 String name = axisElement.getAttribute("name").trim();
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379 String align = axisElement.getAttribute("align").trim();
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380 String includeZero =
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381 axisElement.getAttribute("include-zero").trim();
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382
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383 String isInverted = axisElement.getAttribute("inverted");
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384 String isLog = axisElement.getAttribute("logarithmic");
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385
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386 final double lowerMargin = parseDouble( axisElement.getAttribute("lowerMargin"), 0.0 );
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387 final double upperMargin = parseDouble( axisElement.getAttribute("upperMargin"), 0.0 );
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388
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389 if (name.isEmpty()) {
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390 continue;
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391 }
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392 boolean isleftAlign = false;
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393 boolean forceAlign = false;
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394 for (String part: align.split("[\\s,]")) {
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395 part = part.trim();
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396 if ("left" .equals(part)) isleftAlign = true;
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397 else if ("right".equals(part)) isleftAlign = false;
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parents: 7048
diff changeset
398 else if ("force".equals(part)) forceAlign = true;
165ea04b1545 Added alignment rules for diagrams.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7048
diff changeset
399 }
7062
4310c612a986 Added 'include-zero' attribute to <axis> tag in diagram configuration.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7061
diff changeset
400
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
401 Evaluator isInvertedE = parseEvaluator(isInverted, FALSE);
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
402
7241
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
403 Evaluator isLogE = parseEvaluator(isLog, FALSE);
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
404
7062
4310c612a986 Added 'include-zero' attribute to <axis> tag in diagram configuration.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7061
diff changeset
405 axesAttrs.add(new AxisAttributes(
4310c612a986 Added 'include-zero' attribute to <axis> tag in diagram configuration.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7061
diff changeset
406 name, isleftAlign, forceAlign,
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
407 includeZero.equals("true"),
8889
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
408 isInvertedE, isLogE,
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
409 lowerMargin,upperMargin));
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
410 }
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
411 }
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
412
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
413 private static double parseDouble( final String text, final double defaultValue ) {
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
414 if( text == null || text.isEmpty() )
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
415 return defaultValue;
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
416
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
417 try {
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
418 return Double.parseDouble(text);
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
419 }
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
420 catch (final NumberFormatException e) {
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
421 e.printStackTrace();
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
422 log.error(String.format("Invalid double attribute: ", text), e);
f87f435df856 Allow to configure lower and upper margin of a chart axis
gernotbelger
parents: 7241
diff changeset
423 return defaultValue;
7040
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
424 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
425 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
426
7160
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
427 private static Evaluator createDynamicEvaluator(
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
428 String className,
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
429 Evaluator def
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
430 ) {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
431 try {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
432 Class<Evaluator> clazz = (Class<Evaluator>)Class.forName(className);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
433 return clazz.newInstance();
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
434 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
435 catch (ClassNotFoundException cnfe) {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
436 log.error(cnfe, cnfe);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
437 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
438 catch (InstantiationException ie) {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
439 log.error(ie, ie);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
440 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
441 catch (IllegalAccessException iae) {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
442 log.error(iae, iae);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
443 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
444 return def;
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
445 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
446
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
447 private static Evaluator parseEvaluator(String s, Evaluator def) {
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
448 if ((s = s.trim()).isEmpty()) return def;
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
449 if ("true".equals(s)) return TRUE;
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
450 if ("false".equals(s)) return FALSE;
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
451 if (s.endsWith("()")) {
7160
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
452 return createDynamicEvaluator(
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
453 s.substring(0, s.length()-2).trim(),
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
454 def);
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
455 }
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
456 return def;
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
457 }
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
458
7099
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
459 public List<AxisProcessor> getAxesProcessors() {
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
460 return axesProcessors;
7040
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
461 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
462
7048
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
463 public Title getTitle() {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
464 return title;
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
465 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
466
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
467 public Title getSubtitle() {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
468 return subtitle;
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
469 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
470
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
471 public DomainAxisAttributes getDomainAxis() {
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
472 return domainAxis;
7061
4f6b3ba542de Added domain axis title to diagram attributes.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7060
diff changeset
473 }
4f6b3ba542de Added domain axis title to diagram attributes.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7060
diff changeset
474
7040
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
475 private void parseProcessors(Element config) {
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
476 NodeList processorNodes = config.getElementsByTagName("processor");
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
477
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
478 for (int i = 0, N = processorNodes.getLength(); i < N; ++i) {
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
479 Element processorElement = (Element)processorNodes.item(i);
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
480 String className = processorElement.getAttribute("class").trim();
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
481 String axisName = processorElement.getAttribute("axis").trim();
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
482 if (className.isEmpty() || axisName.isEmpty()) {
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
483 continue;
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
484 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
485
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
486 try {
7099
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
487 Class<Processor> processorClass =
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
488 (Class<Processor>)Class.forName(className);
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
489 axesProcessors.add(new AxisProcessor(processorClass, axisName));
7040
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
490 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
491 catch (ClassNotFoundException cnfe) {
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
492 log.error(cnfe, cnfe);
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
493 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
494 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
495 }
7048
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
496
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
497 private void parseTitle(Element config) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
498 title = extractTitle(config, "title");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
499 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
500
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
501 private void parseSubtitle(Element config) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
502 subtitle = extractTitle(config, "subtitle");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
503 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
504
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
505 private void parseDomainAxis(Element config) {
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
506 Title title = extractTitle(config, "domain-axis");
7241
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
507 String includeZero = "";
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
508 String isInverted = "";
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
509 String isLog = "";
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
510
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
511 NodeList dAlist = config.getElementsByTagName("domain-axis");
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
512 if (dAlist.getLength() > 0) {
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
513 Element dAelement = (Element)dAlist.item(0);
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
514
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
515 includeZero = dAelement.getAttribute("include-zero");
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
516 isInverted = dAelement.getAttribute("inverted");
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
517 isLog = dAelement.getAttribute("logarithmic");
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
518 }
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
519
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
520 domainAxis = new DomainAxisAttributes(
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
521 "X",
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
522 false,
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
523 false,
7160
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
524 includeZero.equals("true"),
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
525 parseEvaluator(isInverted, FALSE),
7241
32db4f89b65f Add new option to diagram axes "logarithmic" that can be set to an evaluator
Andre Heinecke <aheinecke@intevation.de>
parents: 7227
diff changeset
526 parseEvaluator(isLog, FALSE),
7143
053e39436ba3 Diagrams: Determine if axis should be inverted dynamically.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7122
diff changeset
527 title);
7061
4f6b3ba542de Added domain axis title to diagram attributes.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7060
diff changeset
528 }
4f6b3ba542de Added domain axis title to diagram attributes.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7060
diff changeset
529
7048
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
530 private static Title extractTitle(Element config, String tagName) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
531 NodeList titleNodes = config.getElementsByTagName(tagName);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
532 if (titleNodes.getLength() < 1) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
533 return null;
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
534 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
535 Element titleElement = (Element)titleNodes.item(0);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
536 String key = titleElement.getAttribute("key");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
537 String def = titleElement.getAttribute("default");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
538 Title title = new Title(key, def);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
539 NodeList argumentNodes = titleElement.getElementsByTagName("arg");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
540 for (int i = 0, N = argumentNodes.getLength(); i < N; ++i) {
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
541 Element argumentElement = (Element)argumentNodes.item(i);
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
542 String expression = argumentElement.getAttribute("expr");
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
543 String type = argumentElement.getAttribute("type");
7160
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
544
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
545 Evaluator ev = new StringEvaluator(expression);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
546
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
547 if (expression.endsWith("()")) {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
548 ev = createDynamicEvaluator(
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
549 expression.substring(0, expression.length()-2).trim(),
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
550 ev);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
551 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
552 else if (expression.startsWith("artifact.")) {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
553 ev = new ArtifactEvaluator(
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
554 expression.substring("artifact.".length()), type);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
555 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
556 else if (expression.startsWith("context.")) {
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
557 ev = new ContextEvaluator(
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
558 expression.substring("context.".length()), type);
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
559 }
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
560
f2ffa631c2ed Diagram attributes: Use evaluators for title arguments, too. This makes it more consistent, powerful and a little bit faster.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7143
diff changeset
561 title.addArgument(ev);
7048
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
562 }
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
563 return title;
a43137dfdcac Simple interpolation logic for diagram titles and subtitles.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7042
diff changeset
564 }
7060
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
565
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
566 public int getAxisIndex(String axisName) {
7061
4f6b3ba542de Added domain axis title to diagram attributes.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7060
diff changeset
567 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
568 if (axesAttrs.get(i).getName().equals(axisName)) {
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
569 return i;
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
570 }
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
571 }
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
572 return -1;
78ded33f5f5b Some more accessors and typo fix
Andre Heinecke <aheinecke@intevation.de>
parents: 7059
diff changeset
573 }
7068
726d998dce29 Remove Axis Walker, unabstract Diagram generator
Andre Heinecke <aheinecke@intevation.de>
parents: 7062
diff changeset
574
726d998dce29 Remove Axis Walker, unabstract Diagram generator
Andre Heinecke <aheinecke@intevation.de>
parents: 7062
diff changeset
575 public String getAxisName(int index) {
7099
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
576 return index < 0 || index >= axesAttrs.size()
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
577 ? "" // null?
24f153ad1f40 Use pre-converted diagram attributes now.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7084
diff changeset
578 : axesAttrs.get(index).getName();
7068
726d998dce29 Remove Axis Walker, unabstract Diagram generator
Andre Heinecke <aheinecke@intevation.de>
parents: 7062
diff changeset
579 }
7227
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
580
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
581 @Override
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
582 public boolean accept(String outName, String facetName) {
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
583 Instance instance = new Instance();
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
584 for (Processor pr: instance.getProcessors()) {
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
585 if (pr.canHandle(facetName)) {
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
586 return true;
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
587 }
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
588 }
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
589 return false;
744df5a03337 Use diagram configuration and there processors to define compatible facets in loaded data.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7166
diff changeset
590 }
7040
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
591 }
f3cdc620b666 Added first version of diagram attribute parser.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
592 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org