Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWindow.java @ 822:ffb98b228b3c

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Add code to extract data to load from datacage tree. flys-client/trunk@2493 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 12 Aug 2011 15:51:51 +0000
parents 56069d236afa
children 2f65c742803f
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 import com.smartgwt.client.widgets.Button;
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11
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12 import com.smartgwt.client.widgets.tree.Tree;
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13 import com.smartgwt.client.widgets.tree.TreeGrid;
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14 import com.smartgwt.client.widgets.tree.TreeNode;
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15
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16 import com.smartgwt.client.types.TreeModelType;
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17
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18 import com.smartgwt.client.widgets.layout.Layout;
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19 import com.smartgwt.client.widgets.layout.VLayout;
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20
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21 import com.smartgwt.client.widgets.events.ClickHandler;
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22 import com.smartgwt.client.widgets.events.ClickEvent;
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23
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24 import com.smartgwt.client.widgets.grid.ListGridRecord;
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25
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26 import com.smartgwt.client.widgets.grid.events.RecordDoubleClickEvent;
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27 import com.smartgwt.client.widgets.grid.events.RecordDoubleClickHandler;
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28
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29 import de.intevation.flys.client.shared.model.Artifact;
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30 import de.intevation.flys.client.shared.model.ArtifactDescription;
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31 import de.intevation.flys.client.shared.model.Data;
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32 import de.intevation.flys.client.shared.model.DataList;
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33 import de.intevation.flys.client.shared.model.DataItem;
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34 import de.intevation.flys.client.shared.model.User;
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35 import de.intevation.flys.client.shared.model.ToLoad;
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36
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37 import de.intevation.flys.client.client.FLYSConstants;
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38 import de.intevation.flys.client.client.Config;
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39
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40 import de.intevation.flys.client.client.services.MetaDataService;
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41 import de.intevation.flys.client.client.services.MetaDataServiceAsync;
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42
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43 import de.intevation.flys.client.shared.model.DataCageTree;
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44 import de.intevation.flys.client.shared.model.DataCageNode;
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45 import de.intevation.flys.client.shared.model.AttrList;
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46
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47 import java.util.ArrayList;
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48 import java.util.List;
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49 import java.util.Stack;
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50
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51 public class DatacageWindow
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52 extends Window
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53 {
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54 protected MetaDataServiceAsync metaDataService =
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55 GWT.create(MetaDataService.class);
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56
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57 protected FLYSConstants messages =
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58 GWT.create(FLYSConstants.class);
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59
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60
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61 protected Artifact artifact;
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62 protected User user;
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63
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64 protected TreeGrid treeGrid;
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65 protected Tree tree;
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66
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67 protected Layout layout;
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68
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69 protected List<ToLoad> toLoad;
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71
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72 public DatacageWindow(Artifact artifact, User user) {
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73 this.artifact = artifact;
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74 this.user = user;
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75
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76 setWidth(300);
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77 setHeight(500);
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78
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79 layout = new VLayout();
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80 layout.setWidth100();
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81
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82 addItem(layout);
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83
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84 tree = new Tree();
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85 tree.setModelType(TreeModelType.PARENT);
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86 tree.setNameProperty("name");
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87 tree.setIdField("id");
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88 tree.setParentIdField("parent-id");
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89
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90 treeGrid = new TreeGrid();
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91 treeGrid.setLoadDataOnDemand(false);
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92 treeGrid.setWidth100();
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93 treeGrid.setHeight100();
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94 treeGrid.setShowRoot(false);
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95
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96 treeGrid.addRecordDoubleClickHandler(new RecordDoubleClickHandler() {
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97 @Override
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98 public void onRecordDoubleClick(RecordDoubleClickEvent event) {
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99 doubleClickedOnTree(event);
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100 }
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101 });
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102
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103 layout.addMember(treeGrid);
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105 // TODO: i18n + icon
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106 Button plusBtn = new Button("+");
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107 plusBtn.addClickHandler(new ClickHandler() {
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108 @Override
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109 public void onClick(ClickEvent event) {
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110 plusClicked();
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111 }
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112 });
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113
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114 layout.addMember(plusBtn);
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115
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116 String river = findRiver();
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117 // TODO: i18n
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118 setTitle("Datenkorb: " + river);
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119 setShowMinimizeButton(false);
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120 setIsModal(true);
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121 setShowModalMask(true);
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122 setCanDragResize(true);
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123
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124 centerInPage();
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125
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126 toLoad = new ArrayList<ToLoad>();
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127
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128 triggerTreeBuilding();
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129 }
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130
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131 public List<ToLoad> toLoad() {
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132 return toLoad;
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133 }
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134
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135 public void plusClicked() {
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136 if (treeGrid == null) {
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137 return;
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138 }
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139
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140 ListGridRecord [] selection = treeGrid.getSelection();
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141
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142 if (selection != null) {
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143 for (ListGridRecord record: selection) {
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144 if (record instanceof TreeNode) {
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145 collectToLoads((TreeNode)record);
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146 }
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147 }
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148 }
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149
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150 GWT.log(toLoad.toString());
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151
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152 if (!toLoad.isEmpty()) {
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153 destroy();
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154 }
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155 }
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156
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157 protected void doubleClickedOnTree(RecordDoubleClickEvent event) {
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158
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159 TreeNode node = (TreeNode)event.getRecord();
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160 collectToLoads(node);
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161 GWT.log(toLoad.toString());
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162 destroy();
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163 }
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164
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165 protected void collectToLoads(TreeNode node) {
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166 Stack<TreeNode> stack = new Stack<TreeNode>();
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167
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168 stack.push(node);
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169
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170 while (!stack.isEmpty()) {
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171 node = stack.pop();
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172 String factory = node.getAttribute("factory");
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173 if (factory != null) { // we need at least a factory
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174 String ids = node.getAttribute("ids");
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175 String artifactId = node.getAttribute("artifact-id");
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176 String num = node.getAttribute("num");
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177
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178 ToLoad tl = new ToLoad(factory, artifactId, ids, num);
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179 if (!toLoad.contains(tl)) {
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180 toLoad.add(tl);
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181 }
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182 }
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183 TreeNode [] children = tree.getChildren(node);
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184 if (children != null) {
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185 for (TreeNode child: children) {
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186 stack.push(child);
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187 }
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188 }
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189 }
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190 }
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191
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192
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193 protected void triggerTreeBuilding() {
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194 Config config = Config.getInstance();
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195 String url = config.getServerUrl();
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196 String locale = config.getLocale();
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197
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198 String artifactId = artifact.getUuid();
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199 String userId = user != null ? user.identifier() : null;
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200
276
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201 metaDataService.getMetaData(
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202 url, locale,
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203 artifactId,
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204 userId,
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205 new AsyncCallback<DataCageTree>() {
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206 public void onFailure(Throwable caught) {
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207 GWT.log("Could not load meta data.");
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208 SC.warn(caught.getMessage());
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209 }
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210
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211 public void onSuccess(DataCageTree dcTree) {
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212 GWT.log("Successfully loaded meta data.");
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213 tree.setData(treeToData(dcTree));
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214 treeGrid.setData(tree);
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215 }
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216 });
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217 }
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218
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219 private static class IdGenerator {
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220 protected int current;
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221
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222 public IdGenerator() {
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223 }
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224
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225 public IdGenerator(int start) {
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226 current = start;
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227 }
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228
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229 public int next() {
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230 return current++;
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231 }
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232 } // class IdGenerator
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233
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234 protected static void buildRecursive(
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235 DataCageNode node,
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236 int parentId,
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237 IdGenerator idGenerator,
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238 List<TreeNode> nodes
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239 ) {
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240 TreeNode tn = new TreeNode();
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241 int id = idGenerator.next();
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242 tn.setAttribute("parent-id", parentId);
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243 tn.setAttribute("id", id);
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244 // TODO: i18n
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245 tn.setAttribute("name", node.getName());
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246 nodes.add(tn);
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247 AttrList attrs = node.getAttributes();
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248 if (attrs != null) {
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249 for (int i = 0, N = attrs.size(); i < N; ++i) {
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250 String key = attrs.getKey(i);
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251 String value = attrs.getValue(i);
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252 tn.setAttribute(key, value);
278
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253 }
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254 }
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255 List<DataCageNode> children = node.getChildren();
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256 if (children != null) {
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257 for (DataCageNode child: children) {
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258 buildRecursive(child, id, idGenerator, nodes);
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259 }
278
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260 }
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261 }
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262
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263
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264 protected static TreeNode [] treeToData(DataCageTree tree) {
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265 List<TreeNode> nodes = new ArrayList<TreeNode>();
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266
278
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267 DataCageNode root = tree.getRoot();
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268
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269 IdGenerator idGenerator = new IdGenerator();
278
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270
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271 buildRecursive(root, idGenerator.next(), idGenerator, nodes);
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272
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273 return nodes.toArray(new TreeNode[nodes.size()]);
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274 }
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275
276
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276 protected String findRiver() {
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277
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278 ArtifactDescription adescr = artifact.getArtifactDescription();
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279 DataList [] data = adescr.getOldData();
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280
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281 if (data != null && data.length > 0) {
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282 for (int i = 0; i < data.length; i++) {
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283 DataList dl = data[i];
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284 if (dl.getState().equals("state.winfo.river")) {
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285 for (int j = dl.size()-1; j >= 0; --j) {
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286 Data d = dl.get(j);
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287 DataItem [] di = d.getItems();
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288 if (di != null && di.length == 1) {
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289 return d.getItems()[0].getStringValue();
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290 }
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291 }
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292 }
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293 }
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294 }
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295
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296 return "";
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297 }
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298 }
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299 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org