Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelPairSelectState.java @ 4241:49cb65d5932d

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Improved the historical discharge calculation. The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is improved to support those facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:34:35 +0200
parents 5642a83420f2
children
rev   line source
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.util.List;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import org.w3c.dom.Element;
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8
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9 import de.intevation.artifacts.Artifact;
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10 import de.intevation.artifacts.CallContext;
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11
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12 import de.intevation.artifactdatabase.ProtocolUtils;
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13 import de.intevation.artifactdatabase.state.Facet;
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14
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15 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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16
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17 import de.intevation.flys.artifacts.FLYSArtifact;
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18 import de.intevation.flys.artifacts.model.FacetTypes;
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19 import de.intevation.flys.artifacts.resources.Resources;
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20
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21 import de.intevation.flys.utils.StringUtil;
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22
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23 /**
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24 * State in which the user selects 1 to n pairs of Waterlevels and alikes.
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25 */
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26 public class WaterlevelPairSelectState
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27 extends DefaultState
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28 implements FacetTypes
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29 {
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30 /** The logger that is used in this state. */
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31 private static Logger logger = Logger.getLogger(
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32 WaterlevelPairSelectState.class);
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33
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34
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35 /** Trivial constructor. */
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36 public WaterlevelPairSelectState() {
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37 }
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38
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39
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40 /** Specify to display a datacage_twin_panel. */
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41 @Override
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42 protected String getUIProvider() {
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43 return "datacage_twin_panel";
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44 }
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45
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46
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47 /**
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48 * Overridden to do nothing.
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49 */
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50 @Override
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51 public Object computeAdvance(
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52 FLYSArtifact artifact,
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53 String hash,
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54 CallContext context,
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55 List<Facet> facets,
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56 Object old
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57 ) {
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58 //Get data and do stuff, do not calculate
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59 return "";
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60 }
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61
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62
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63 /**
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64 * Create elements for document (prepopulated with data, if any).
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65 * @param artifact FLYSArtifact to get data from.
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66 * @param name DataName, expceted to be "diffids".
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67 */
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68 @Override
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69 protected Element[] createItems(
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70 ElementCreator cr,
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71 Artifact artifact,
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72 String name,
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73 CallContext context)
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74 {
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75 logger.debug("createItems: " + name);
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76 if (name.equals("diffids")) {
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77 Element item = ProtocolUtils.createArtNode(cr, "item", null, null);
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78 Element label = ProtocolUtils.createArtNode(cr, "label", null, null);
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79 Element value = ProtocolUtils.createArtNode(cr, "value", null, null);
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80 FLYSArtifact flys = (FLYSArtifact) artifact;
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81 String s = flys.getDataAsString("diffids");
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82 value.setTextContent(s);
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83 item.appendChild(label);
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84 item.appendChild(value);
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85 return new Element[] { item };
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86 }
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87 return new Element[] {};
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88 }
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89
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90
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91 /**
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92 * Creats the data element used for the static part of DESCRIBE document.
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93 */
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94 @Override
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95 protected Element createStaticData(
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96 FLYSArtifact flys,
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97 ElementCreator creator,
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98 CallContext cc,
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99 String name,
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100 String value,
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101 String type
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102 ) {
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103 Element dataElement = creator.create("data");
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104 creator.addAttr(dataElement, "name", name, true);
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105 creator.addAttr(dataElement, "type", type, true);
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106
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107 Element itemElement = creator.create("item");
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108 creator.addAttr(itemElement, "value", value, true);
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109
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110 String[] labels = getLabels(cc, value);
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111 Object[] obj = new Object[] { labels[0] };
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112
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113 // TODO own i18n
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114 String attrValue = Resources.getMsg(
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115 cc.getMeta(), "wsp.selected.string", "wsp.selected.string", obj);
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116 //I18N_STATIC_KEY, I18N_STATIC_KEY, obj);
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117
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118 creator.addAttr(itemElement, "label", attrValue, true);
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119 dataElement.appendChild(itemElement);
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120
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121 return dataElement;
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122 }
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123
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124
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125 /**
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126 * Get name to display for selected watelerlevels (for example "Q=123")
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127 * from the CalculationResult.
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128 */
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129 public static String[] getLabels(CallContext cc, String value) {
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130 String[] recommendations = value.split("#");
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131 String displayString = "";
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132
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133 // Walk over all selected recommendations and create label
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134 // like "W (Q=1) - W (Q=2)".
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135 for (int i = 0; i < recommendations.length; i+=2) {
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136 String[] minuendParts = StringUtil
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137 .unbracket(recommendations[i+0])
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138 .split(";");
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139 if(minuendParts.length >= 4) {
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140 displayString += "(" + minuendParts[3];
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141 }
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142 else {
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143 displayString += "([error]";
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144 }
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145
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146 displayString += " - ";
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147
1663
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148 String[] subtrahendParts = StringUtil
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149 .unbracket(recommendations[i+1])
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150 .split(";");
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151 if(subtrahendParts.length >= 4) {
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152 displayString += subtrahendParts[3] + ") ";
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153 }
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154 else {
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155 displayString += "[error])";
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156 }
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157 }
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158
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159 return new String[] { displayString };
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160 }
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161 }
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162 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org