Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWindow.java @ 821:56069d236afa

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Datacage: Build UI tree in a more compatible style flys-client/trunk@2479 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 09 Aug 2011 13:37:40 +0000
parents 8f39ffee068a
children ffb98b228b3c
rev   line source
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1 package de.intevation.flys.client.client.ui;
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2
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3 import com.google.gwt.core.client.GWT;
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4
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5 import com.google.gwt.user.client.rpc.AsyncCallback;
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6
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7 import com.smartgwt.client.util.SC;
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8
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9 import com.smartgwt.client.widgets.Window;
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10
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11 import com.smartgwt.client.widgets.tree.Tree;
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12 import com.smartgwt.client.widgets.tree.TreeGrid;
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13 import com.smartgwt.client.widgets.tree.TreeNode;
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14
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15 import com.smartgwt.client.types.TreeModelType;
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16
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17 import com.smartgwt.client.widgets.layout.Layout;
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18 import com.smartgwt.client.widgets.layout.VLayout;
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19
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20 import com.smartgwt.client.widgets.tree.events.LeafClickEvent;
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21 import com.smartgwt.client.widgets.tree.events.LeafClickHandler;
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22
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23 import de.intevation.flys.client.shared.model.Artifact;
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24 import de.intevation.flys.client.shared.model.ArtifactDescription;
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25 import de.intevation.flys.client.shared.model.Data;
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26 import de.intevation.flys.client.shared.model.DataList;
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27 import de.intevation.flys.client.shared.model.DataItem;
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28 import de.intevation.flys.client.shared.model.User;
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29
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30 import de.intevation.flys.client.client.FLYSConstants;
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31 import de.intevation.flys.client.client.Config;
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32
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33 import de.intevation.flys.client.client.services.MetaDataService;
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34 import de.intevation.flys.client.client.services.MetaDataServiceAsync;
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35
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36 import de.intevation.flys.client.shared.model.DataCageTree;
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37 import de.intevation.flys.client.shared.model.DataCageNode;
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38 import de.intevation.flys.client.shared.model.AttrList;
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39
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40 import java.util.ArrayList;
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41 import java.util.List;
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42
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43 public class DatacageWindow
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44 extends Window
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45 {
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46 protected MetaDataServiceAsync metaDataService =
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47 GWT.create(MetaDataService.class);
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48
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49 protected FLYSConstants messages =
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50 GWT.create(FLYSConstants.class);
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51
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52
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53 protected Artifact artifact;
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54 protected User user;
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55
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56 protected TreeGrid treeGrid;
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57 protected Tree tree;
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58
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59 protected Layout layout;
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60
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61
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62 public DatacageWindow(Artifact artifact, User user) {
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63 this.artifact = artifact;
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64 this.user = user;
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65
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66 setWidth(250);
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67 setHeight(400);
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68
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69 layout = new VLayout();
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70 layout.setWidth100();
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71
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72 addItem(layout);
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73
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74 tree = new Tree();
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75 tree.setModelType(TreeModelType.PARENT);
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76 tree.setNameProperty("name");
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77 tree.setIdField("id");
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78 tree.setParentIdField("parent-id");
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79
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80 treeGrid = new TreeGrid();
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81 treeGrid.setLoadDataOnDemand(false);
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82 treeGrid.setWidth100();
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83 treeGrid.setHeight100();
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84 treeGrid.setShowRoot(false);
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85
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86 treeGrid.addLeafClickHandler(new LeafClickHandler() {
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87 @Override
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88 public void onLeafClick(LeafClickEvent lce) {
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89 GWT.log("I was here");
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90 }
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91 });
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92
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93 layout.addMember(treeGrid);
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94
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95 String river = findRiver();
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96 // TODO: i18n
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97 setTitle("Datenkorb: " + river);
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98 setShowMinimizeButton(false);
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99 setIsModal(true);
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100 setShowModalMask(true);
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101 setCanDragResize(true);
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102
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103 centerInPage();
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104
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105 triggerTreeBuilding();
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106 }
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107
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108 protected void triggerTreeBuilding() {
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109 Config config = Config.getInstance();
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110 String url = config.getServerUrl();
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111 String locale = config.getLocale();
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112
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113 String artifactId = artifact.getUuid();
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114 String userId = user != null ? user.identifier() : null;
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115
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116 metaDataService.getMetaData(
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117 url, locale,
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118 artifactId,
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119 userId,
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120 new AsyncCallback<DataCageTree>() {
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121 public void onFailure(Throwable caught) {
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122 GWT.log("Could not load meta data.");
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123 SC.warn(caught.getMessage());
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124 }
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125
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126 public void onSuccess(DataCageTree dcTree) {
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127 GWT.log("Successfully loaded meta data.");
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128 tree.setData(treeToData(dcTree));
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129 treeGrid.setData(tree);
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130 }
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131 });
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132 }
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133
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134 private static class IdGenerator {
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135 protected int current;
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136
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137 public IdGenerator() {
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138 }
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139
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140 public IdGenerator(int start) {
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141 current = start;
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142 }
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143
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144 public int next() {
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145 return current++;
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146 }
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147 } // class IdGenerator
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148
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149 protected static void buildRecursive(
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150 DataCageNode node,
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151 int parentId,
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152 IdGenerator idGenerator,
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153 List<TreeNode> nodes
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154 ) {
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155 TreeNode tn = new TreeNode();
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156 int id = idGenerator.next();
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157 tn.setAttribute("parent-id", parentId);
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158 tn.setAttribute("id", id);
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159 // TODO: i18n
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160 tn.setAttribute("name", node.getName());
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161 nodes.add(tn);
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162 AttrList attrs = node.getAttributes();
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163 if (attrs != null) {
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164 for (int i = 0, N = attrs.size(); i < N; ++i) {
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165 String key = attrs.getKey(i);
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166 String value = attrs.getValue(i);
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167 tn.setAttribute(key, value);
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168 }
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169 }
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170 List<DataCageNode> children = node.getChildren();
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171 if (children != null) {
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172 for (DataCageNode child: children) {
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173 buildRecursive(child, id, idGenerator, nodes);
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174 }
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175 }
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176 }
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177
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178
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179 protected static TreeNode [] treeToData(DataCageTree tree) {
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180 List<TreeNode> nodes = new ArrayList<TreeNode>();
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181
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182 DataCageNode root = tree.getRoot();
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183
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184 IdGenerator idGenerator = new IdGenerator();
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185
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186 buildRecursive(root, idGenerator.next(), idGenerator, nodes);
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187
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188 return nodes.toArray(new TreeNode[nodes.size()]);
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189 }
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190
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191 protected String findRiver() {
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192
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193 ArtifactDescription adescr = artifact.getArtifactDescription();
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194 DataList [] data = adescr.getOldData();
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195
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196 if (data != null && data.length > 0) {
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197 for (int i = 0; i < data.length; i++) {
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198 DataList dl = data[i];
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199 if (dl.getState().equals("state.winfo.river")) {
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200 for (int j = dl.size()-1; j >= 0; --j) {
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201 Data d = dl.get(j);
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202 DataItem [] di = d.getItems();
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203 if (di != null && di.length == 1) {
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204 return d.getItems()[0].getStringValue();
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205 }
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206 }
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207 }
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208 }
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209 }
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210
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211 return "";
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212 }
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213 }
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214 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org