Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelPairSelectState.java @ 4768:99f9e371371b

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Move distance calculation to Coordinate class. Use inheritance instead of composition in Anchor class. Made Anchor class static. Use epsilon equal comparision when checking for same station: Boy, do you ever learn that sharp equal comparison of doubles is not a clever idea!?
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 04 Jan 2013 15:35:51 +0100
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