Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWindow.java @ 826:2f65c742803f
Datacage: Aggregate items to load for easier filtering facets
flys-client/trunk@2523 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 22 Aug 2011 14:29:49 +0000 |
parents | ffb98b228b3c |
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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.Map; |
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49 import java.util.HashMap; |
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50 import java.util.List; |
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51 import java.util.Stack; |
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52 |
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53 public class DatacageWindow |
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54 extends Window |
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55 { |
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56 protected MetaDataServiceAsync metaDataService = |
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57 GWT.create(MetaDataService.class); |
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58 |
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59 protected FLYSConstants messages = |
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60 GWT.create(FLYSConstants.class); |
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61 |
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62 |
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63 protected Artifact artifact; |
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64 protected User user; |
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65 |
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66 protected TreeGrid treeGrid; |
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67 protected Tree tree; |
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68 |
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69 protected Layout layout; |
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70 |
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71 protected Map<String, ToLoad> toLoad; |
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72 |
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73 |
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74 public DatacageWindow(Artifact artifact, User user) { |
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75 this.artifact = artifact; |
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76 this.user = user; |
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77 |
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78 setWidth(300); |
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79 setHeight(500); |
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80 |
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81 layout = new VLayout(); |
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82 layout.setWidth100(); |
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83 |
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84 addItem(layout); |
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85 |
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86 tree = new Tree(); |
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87 tree.setModelType(TreeModelType.PARENT); |
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88 tree.setNameProperty("name"); |
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89 tree.setIdField("id"); |
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90 tree.setParentIdField("parent-id"); |
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91 |
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92 treeGrid = new TreeGrid(); |
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93 treeGrid.setLoadDataOnDemand(false); |
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94 treeGrid.setWidth100(); |
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95 treeGrid.setHeight100(); |
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96 treeGrid.setShowRoot(false); |
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97 |
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98 treeGrid.addRecordDoubleClickHandler(new RecordDoubleClickHandler() { |
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99 @Override |
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100 public void onRecordDoubleClick(RecordDoubleClickEvent event) { |
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101 doubleClickedOnTree(event); |
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102 } |
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103 }); |
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104 |
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105 layout.addMember(treeGrid); |
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106 |
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107 // TODO: i18n + icon |
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108 Button plusBtn = new Button("+"); |
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109 plusBtn.addClickHandler(new ClickHandler() { |
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110 @Override |
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111 public void onClick(ClickEvent event) { |
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112 plusClicked(); |
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113 } |
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114 }); |
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115 |
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116 layout.addMember(plusBtn); |
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117 |
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118 String river = findRiver(); |
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119 // TODO: i18n |
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120 setTitle("Datenkorb: " + river); |
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121 setShowMinimizeButton(false); |
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122 setIsModal(true); |
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123 setShowModalMask(true); |
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124 setCanDragResize(true); |
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125 |
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126 centerInPage(); |
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127 |
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128 toLoad = new HashMap<String, ToLoad>(); |
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129 |
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130 triggerTreeBuilding(); |
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131 } |
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132 |
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133 public Map<String, ToLoad> toLoad() { |
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134 return toLoad; |
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135 } |
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136 |
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137 public void plusClicked() { |
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138 if (treeGrid == null) { |
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139 return; |
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140 } |
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141 |
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142 ListGridRecord [] selection = treeGrid.getSelection(); |
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143 |
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144 if (selection != null) { |
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145 for (ListGridRecord record: selection) { |
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146 if (record instanceof TreeNode) { |
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147 collectToLoads((TreeNode)record); |
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148 } |
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149 } |
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150 } |
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151 |
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152 GWT.log(toLoad.toString()); |
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153 |
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154 if (!toLoad.isEmpty()) { |
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155 destroy(); |
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156 } |
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157 } |
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158 |
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159 protected void doubleClickedOnTree(RecordDoubleClickEvent event) { |
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160 |
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161 TreeNode node = (TreeNode)event.getRecord(); |
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162 collectToLoads(node); |
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163 GWT.log(toLoad.toString()); |
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164 destroy(); |
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165 } |
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166 |
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167 protected void collectToLoads(TreeNode node) { |
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168 Stack<TreeNode> stack = new Stack<TreeNode>(); |
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169 |
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170 stack.push(node); |
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171 |
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172 while (!stack.isEmpty()) { |
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173 node = stack.pop(); |
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174 String factory = node.getAttribute("factory"); |
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175 if (factory != null) { // we need at least a factory |
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176 String ids = node.getAttribute("ids"); |
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177 String artifactId = node.getAttribute("artifact-id"); |
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178 String num = node.getAttribute("num"); |
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179 |
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180 ToLoad tl = toLoad.get(artifactId); |
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181 if (tl == null) { |
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182 tl = new ToLoad(artifactId); |
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183 } |
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184 |
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185 tl.add(factory, ids, num); |
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186 } |
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187 TreeNode [] children = tree.getChildren(node); |
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188 if (children != null) { |
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189 for (TreeNode child: children) { |
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190 stack.push(child); |
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191 } |
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192 } |
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193 } |
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194 } |
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195 |
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196 |
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197 protected void triggerTreeBuilding() { |
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198 Config config = Config.getInstance(); |
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199 String url = config.getServerUrl(); |
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200 String locale = config.getLocale(); |
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201 |
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202 String artifactId = artifact.getUuid(); |
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203 String userId = user != null ? user.identifier() : null; |
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204 |
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205 metaDataService.getMetaData( |
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206 url, locale, |
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207 artifactId, |
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208 userId, |
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209 new AsyncCallback<DataCageTree>() { |
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210 public void onFailure(Throwable caught) { |
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211 GWT.log("Could not load meta data."); |
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212 SC.warn(caught.getMessage()); |
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213 } |
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214 |
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215 public void onSuccess(DataCageTree dcTree) { |
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216 GWT.log("Successfully loaded meta data."); |
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217 tree.setData(treeToData(dcTree)); |
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218 treeGrid.setData(tree); |
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219 } |
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220 }); |
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221 } |
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222 |
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223 private static class IdGenerator { |
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224 protected int current; |
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225 |
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226 public IdGenerator() { |
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227 } |
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228 |
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229 public IdGenerator(int start) { |
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230 current = start; |
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231 } |
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232 |
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233 public int next() { |
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234 return current++; |
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235 } |
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236 } // class IdGenerator |
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237 |
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238 protected static void buildRecursive( |
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239 DataCageNode node, |
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240 int parentId, |
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241 IdGenerator idGenerator, |
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242 List<TreeNode> nodes |
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243 ) { |
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244 TreeNode tn = new TreeNode(); |
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245 int id = idGenerator.next(); |
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246 tn.setAttribute("parent-id", parentId); |
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247 tn.setAttribute("id", id); |
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248 // TODO: i18n |
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249 tn.setAttribute("name", node.getName()); |
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250 nodes.add(tn); |
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251 AttrList attrs = node.getAttributes(); |
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252 if (attrs != null) { |
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253 for (int i = 0, N = attrs.size(); i < N; ++i) { |
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254 String key = attrs.getKey(i); |
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255 String value = attrs.getValue(i); |
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256 tn.setAttribute(key, value); |
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257 } |
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258 } |
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259 List<DataCageNode> children = node.getChildren(); |
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260 if (children != null) { |
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261 for (DataCageNode child: children) { |
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262 buildRecursive(child, id, idGenerator, nodes); |
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263 } |
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264 } |
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265 } |
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266 |
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267 |
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268 protected static TreeNode [] treeToData(DataCageTree tree) { |
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269 List<TreeNode> nodes = new ArrayList<TreeNode>(); |
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270 |
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271 DataCageNode root = tree.getRoot(); |
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272 |
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273 IdGenerator idGenerator = new IdGenerator(); |
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274 |
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275 buildRecursive(root, idGenerator.next(), idGenerator, nodes); |
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276 |
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277 return nodes.toArray(new TreeNode[nodes.size()]); |
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278 } |
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279 |
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280 protected String findRiver() { |
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281 |
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282 ArtifactDescription adescr = artifact.getArtifactDescription(); |
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283 DataList [] data = adescr.getOldData(); |
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284 |
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285 if (data != null && data.length > 0) { |
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286 for (int i = 0; i < data.length; i++) { |
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287 DataList dl = data[i]; |
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288 if (dl.getState().equals("state.winfo.river")) { |
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289 for (int j = dl.size()-1; j >= 0; --j) { |
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290 Data d = dl.get(j); |
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291 DataItem [] di = d.getItems(); |
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292 if (di != null && di.length == 1) { |
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293 return d.getItems()[0].getStringValue(); |
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294 } |
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295 } |
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296 } |
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297 } |
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298 } |
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299 |
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300 return ""; |
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301 } |
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302 } |
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303 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |