Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWidget.java @ 848:9ecd58f619a4
Moved datacage into a separated widget.
flys-client/trunk@2586 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Thu, 25 Aug 2011 16:03:26 +0000 |
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children | 439068365cde |
rev | line source |
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848
9ecd58f619a4
Moved datacage into a separated widget.
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changeset
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1 package de.intevation.flys.client.client.ui; |
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2 |
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3 import de.intevation.flys.client.client.event.DatacageHandler; |
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4 |
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5 import com.google.gwt.core.client.GWT; |
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6 |
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7 import com.google.gwt.user.client.rpc.AsyncCallback; |
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8 |
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9 import com.smartgwt.client.util.SC; |
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10 |
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11 import com.smartgwt.client.widgets.Button; |
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12 |
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13 import com.smartgwt.client.widgets.tree.Tree; |
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14 import com.smartgwt.client.widgets.tree.TreeGrid; |
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15 import com.smartgwt.client.widgets.tree.TreeNode; |
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16 |
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17 import com.smartgwt.client.types.TreeModelType; |
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18 |
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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.User; |
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31 import de.intevation.flys.client.shared.model.ToLoad; |
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32 |
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33 import de.intevation.flys.client.client.FLYSConstants; |
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34 import de.intevation.flys.client.client.Config; |
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35 |
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36 import de.intevation.flys.client.client.services.MetaDataService; |
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37 import de.intevation.flys.client.client.services.MetaDataServiceAsync; |
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38 |
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39 import de.intevation.flys.client.shared.model.DataCageTree; |
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40 import de.intevation.flys.client.shared.model.DataCageNode; |
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41 import de.intevation.flys.client.shared.model.AttrList; |
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42 |
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43 import java.util.ArrayList; |
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44 import java.util.List; |
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45 import java.util.Stack; |
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46 |
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47 public class DatacageWidget |
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48 extends VLayout |
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49 { |
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50 protected MetaDataServiceAsync metaDataService = |
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51 GWT.create(MetaDataService.class); |
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52 |
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53 protected FLYSConstants messages = |
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54 GWT.create(FLYSConstants.class); |
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55 |
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56 protected Artifact artifact; |
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57 protected User user; |
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58 protected String outs; |
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59 |
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60 protected TreeGrid treeGrid; |
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61 protected Tree tree; |
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62 |
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63 protected ToLoad toLoad; |
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64 |
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65 protected List<DatacageHandler> handlers; |
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66 |
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67 public DatacageWidget() { |
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68 handlers = new ArrayList<DatacageHandler>(); |
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69 } |
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70 |
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71 public DatacageWidget(Artifact artifact, User user) { |
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72 this(artifact, user, null); |
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73 } |
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74 |
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75 public DatacageWidget(Artifact artifact, User user, String outs) { |
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76 this(); |
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77 |
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78 this.artifact = artifact; |
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79 this.user = user; |
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80 this.outs = outs; |
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81 |
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82 toLoad = new ToLoad(); |
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83 |
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84 setWidth100(); |
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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 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 addMember(plusBtn); |
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117 |
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118 triggerTreeBuilding(); |
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119 } |
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120 |
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121 public void addDatacageHandler(DatacageHandler handler) { |
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122 if (handlers.contains(handler)) { |
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123 handlers.add(handler); |
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124 } |
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125 } |
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126 |
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127 public void removeDatacageHandler(DatacageHandler handler) { |
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128 handlers.remove(handler); |
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129 } |
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130 |
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131 public ToLoad getToLoad() { |
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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 if (!toLoad.isEmpty()) { |
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151 fireToLoad(); |
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152 } |
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153 } |
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154 |
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155 protected void fireToLoad() { |
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156 for (DatacageHandler handler: handlers) { |
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157 handler.toLoad(toLoad); |
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158 } |
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159 } |
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160 |
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161 protected void doubleClickedOnTree(RecordDoubleClickEvent event) { |
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162 |
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163 TreeNode node = (TreeNode)event.getRecord(); |
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164 collectToLoads(node); |
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165 destroy(); |
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166 } |
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167 |
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168 protected void collectToLoads(TreeNode node) { |
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169 Stack<TreeNode> stack = new Stack<TreeNode>(); |
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170 |
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171 stack.push(node); |
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172 |
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173 while (!stack.isEmpty()) { |
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174 node = stack.pop(); |
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175 String factory = node.getAttribute("factory"); |
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176 if (factory != null) { // we need at least a factory |
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177 String artifact = node.getAttribute("artifact-id"); |
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178 String out = node.getAttribute("out"); |
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179 String name = node.getName(); |
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180 String ids = node.getAttribute("ids"); |
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181 |
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182 toLoad.add(artifact, factory, out, name, ids); |
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183 } |
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184 TreeNode [] children = tree.getChildren(node); |
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185 if (children != null) { |
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186 for (TreeNode child: children) { |
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187 stack.push(child); |
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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 |
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194 protected void triggerTreeBuilding() { |
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195 Config config = Config.getInstance(); |
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196 String url = config.getServerUrl(); |
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197 String locale = config.getLocale(); |
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198 |
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199 String artifactId = artifact.getUuid(); |
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200 String userId = user != null ? user.identifier() : null; |
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201 |
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202 metaDataService.getMetaData( |
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203 url, locale, |
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204 artifactId, |
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205 userId, |
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206 outs, |
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207 new AsyncCallback<DataCageTree>() { |
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208 public void onFailure(Throwable caught) { |
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209 GWT.log("Could not load meta data."); |
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210 SC.warn(caught.getMessage()); |
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211 } |
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212 |
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213 public void onSuccess(DataCageTree dcTree) { |
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214 GWT.log("Successfully loaded meta data."); |
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215 tree.setData(treeToData(dcTree)); |
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216 treeGrid.setData(tree); |
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217 } |
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218 }); |
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219 } |
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220 |
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221 private static class IdGenerator { |
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222 protected int current; |
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223 |
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224 public IdGenerator() { |
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225 } |
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226 |
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227 public IdGenerator(int start) { |
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228 current = start; |
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229 } |
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230 |
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231 public int next() { |
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232 return current++; |
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233 } |
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234 } // class IdGenerator |
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235 |
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236 protected static void buildRecursive( |
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237 DataCageNode node, |
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238 int parentId, |
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239 IdGenerator idGenerator, |
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240 List<TreeNode> nodes |
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241 ) { |
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242 TreeNode tn = new TreeNode(); |
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243 int id = idGenerator.next(); |
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244 tn.setAttribute("parent-id", parentId); |
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245 tn.setAttribute("id", id); |
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246 // TODO: i18n |
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247 tn.setAttribute("name", node.getName()); |
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248 nodes.add(tn); |
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249 AttrList attrs = node.getAttributes(); |
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250 if (attrs != null) { |
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251 for (int i = 0, N = attrs.size(); i < N; ++i) { |
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252 String key = attrs.getKey(i); |
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253 String value = attrs.getValue(i); |
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254 tn.setAttribute(key, value); |
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255 } |
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256 } |
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257 List<DataCageNode> children = node.getChildren(); |
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258 if (children != null) { |
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259 for (DataCageNode child: children) { |
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260 buildRecursive(child, id, idGenerator, nodes); |
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261 } |
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262 } |
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263 } |
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264 |
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265 |
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266 protected static TreeNode [] treeToData(DataCageTree tree) { |
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267 List<TreeNode> nodes = new ArrayList<TreeNode>(); |
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268 |
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269 DataCageNode root = tree.getRoot(); |
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270 |
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271 IdGenerator idGenerator = new IdGenerator(); |
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272 |
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273 buildRecursive(root, idGenerator.next(), idGenerator, nodes); |
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274 |
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275 return nodes.toArray(new TreeNode[nodes.size()]); |
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276 } |
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277 } |
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278 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |