Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWidget.java @ 1268:d0500e993218

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Force a single selection in the datacage widget for DEMs and WSPs. flys-client/trunk@2821 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 26 Sep 2011 11:04:00 +0000
parents 07aa1f504491
children e8bb11976c70
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 de.intevation.flys.client.client.event.DatacageHandler;
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07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
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4 import de.intevation.flys.client.client.event.DatacageDoubleClickHandler;
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5
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6 import com.google.gwt.core.client.GWT;
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7
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8 import com.google.gwt.user.client.rpc.AsyncCallback;
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9
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10 import com.smartgwt.client.util.SC;
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11
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12 import com.smartgwt.client.widgets.Button;
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13
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14 import com.smartgwt.client.widgets.tree.Tree;
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15 import com.smartgwt.client.widgets.tree.TreeGrid;
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16 import com.smartgwt.client.widgets.tree.TreeNode;
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17
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d0500e993218 Force a single selection in the datacage widget for DEMs and WSPs.
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parents: 1267
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18 import com.smartgwt.client.types.SelectionStyle;
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19 import com.smartgwt.client.types.TreeModelType;
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20
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21 import com.smartgwt.client.widgets.layout.VLayout;
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22
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23 import com.smartgwt.client.widgets.events.ClickHandler;
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24 import com.smartgwt.client.widgets.events.ClickEvent;
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25
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26 import com.smartgwt.client.widgets.grid.ListGridRecord;
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27
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28 import com.smartgwt.client.widgets.grid.events.RecordDoubleClickEvent;
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29 import com.smartgwt.client.widgets.grid.events.RecordDoubleClickHandler;
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30
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31 import de.intevation.flys.client.shared.model.Artifact;
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32 import de.intevation.flys.client.shared.model.User;
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33 import de.intevation.flys.client.shared.model.ToLoad;
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34
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35 import de.intevation.flys.client.client.FLYSConstants;
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36 import de.intevation.flys.client.client.Config;
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37
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38 import de.intevation.flys.client.client.services.MetaDataService;
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39 import de.intevation.flys.client.client.services.MetaDataServiceAsync;
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40
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41 import de.intevation.flys.client.shared.model.DataCageTree;
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42 import de.intevation.flys.client.shared.model.DataCageNode;
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43 import de.intevation.flys.client.shared.model.AttrList;
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44
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45 import java.util.ArrayList;
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46 import java.util.List;
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47 import java.util.Stack;
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48
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49 // TODO: refactor, extract ~DataCageGrid
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50 public class DatacageWidget
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51 extends VLayout
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52 {
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53 protected MetaDataServiceAsync metaDataService =
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54 GWT.create(MetaDataService.class);
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55
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56 protected FLYSConstants messages =
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57 GWT.create(FLYSConstants.class);
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58
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59 protected Artifact artifact;
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60 protected User user;
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61 protected String outs;
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62 protected String parameters;
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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 ToLoad toLoad;
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68
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69 protected List<DatacageHandler> handlers;
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70 protected List<DatacageDoubleClickHandler> doubleHandlers;
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71
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72
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73 public DatacageWidget() {
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74 handlers = new ArrayList<DatacageHandler>();
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75 doubleHandlers = new ArrayList<DatacageDoubleClickHandler>();
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76 }
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77
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78
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79 public DatacageWidget(Artifact artifact, User user) {
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80 this(artifact, user, null);
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81 }
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82
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83 public DatacageWidget(Artifact artifact, User user, String outs) {
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84 this(artifact, user, outs, true);
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85 }
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86
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87 public DatacageWidget(
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88 Artifact artifact,
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89 User user,
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90 String outs,
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91 boolean showButton
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92 ) {
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93 this(artifact, user, outs, null, showButton);
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94 }
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95
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96
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97 public DatacageWidget(
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98 Artifact artifact,
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99 User user,
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100 String outs,
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101 String parameters,
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102 boolean showButton
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103 ) {
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104 this();
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105
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106 this.artifact = artifact;
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107 this.user = user;
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108 this.outs = outs;
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109 this.parameters = parameters;
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110
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111 toLoad = new ToLoad();
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112
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113 setWidth100();
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114
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115 tree = new Tree();
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116 tree.setModelType(TreeModelType.PARENT);
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117 tree.setNameProperty("name");
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118 tree.setIdField("id");
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119 tree.setParentIdField("parent-id");
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120
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121 treeGrid = new TreeGrid();
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122 treeGrid.setLoadDataOnDemand(false);
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123 treeGrid.setWidth100();
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124 treeGrid.setHeight100();
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125 treeGrid.setShowRoot(false);
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126
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127 treeGrid.addRecordDoubleClickHandler(new RecordDoubleClickHandler() {
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128 @Override
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129 public void onRecordDoubleClick(RecordDoubleClickEvent event) {
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130 doubleClickedOnTree(event);
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131 }
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132 });
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133
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134 addMember(treeGrid);
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135
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136 if (showButton) {
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137 addMember(createPlusButton());
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138 }
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139
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140 triggerTreeBuilding();
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141 }
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142
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143
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144 /**
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145 * @param handler Handler to be added (notified on add-action).
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146 */
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147 public DatacageWidget(Artifact artifact, User user, String outs,
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148 DatacageHandler handler) {
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149 this(artifact, user, outs);
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150 this.addDatacageHandler(handler);
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151 }
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152
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153
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154 public DatacageWidget(
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155 Artifact artifact,
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156 User user,
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157 String outs,
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158 DatacageHandler handler,
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159 String parameters
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160 ) {
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161 this(artifact, user, outs, handler);
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162 this.parameters = parameters;
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163 }
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164
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165
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166 public void setIsMutliSelectable(boolean multi) {
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167 if (multi) {
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168 treeGrid.setSelectionType(SelectionStyle.MULTIPLE);
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169 }
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170 else {
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171 treeGrid.setSelectionType(SelectionStyle.SINGLE);
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172 }
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173 }
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174
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175
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176 /**
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177 * @param handler Handler to be added (notified on add-action).
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178 */
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179 public void addDatacageHandler(DatacageHandler handler) {
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180 if (!handlers.contains(handler)) {
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181 handlers.add(handler);
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182 }
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183 }
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184
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185
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186 /**
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187 * @param h Handler to be added (notified on Double click on node).
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188 */
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189 public void addDatacageDoubleClickHandler(DatacageDoubleClickHandler h) {
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190 if (!doubleHandlers.contains(h)) {
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191 doubleHandlers.add(h);
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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 * @param handler Handler to remove from list.
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198 */
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199 public void removeDatacageHandler(DatacageHandler handler) {
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200 handlers.remove(handler);
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201 }
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202
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203
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204 public ToLoad getToLoad() {
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205 return toLoad;
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206 }
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207
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208
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209 public ToLoad getSelection() {
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210 // Reset content of toLoads.
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211 toLoad = new ToLoad();
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212
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213 if (treeGrid == null) {
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214 return toLoad;
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215 }
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216
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217 ListGridRecord [] selection = treeGrid.getSelection();
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218
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219 if (selection != null) {
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220 for (ListGridRecord record: selection) {
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221 if (record instanceof TreeNode) {
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222 collectToLoads((TreeNode)record);
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223 }
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224 }
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225 }
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226
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227 return toLoad;
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228 }
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229
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230
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231 /**
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232 * Callback for add-button.
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233 * Fires to load for every selected element and handler.
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234 */
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235 public void plusClicked() {
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236 if (!getSelection().isEmpty()) {
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237 fireToLoad();
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238 }
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239 }
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240
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241
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242 protected Button createPlusButton() {
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243 // TODO: i18n + icon
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244 Button plusBtn = new Button("+");
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parents: 892
diff changeset
245 plusBtn.addClickHandler(new ClickHandler() {
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
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parents: 892
diff changeset
246 @Override
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 892
diff changeset
247 public void onClick(ClickEvent event) {
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
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parents: 892
diff changeset
248 plusClicked();
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
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parents: 892
diff changeset
249 }
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 892
diff changeset
250 });
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 892
diff changeset
251 return plusBtn;
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
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parents: 892
diff changeset
252 }
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 892
diff changeset
253
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
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parents: 892
diff changeset
254
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255 protected void fireToLoad() {
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parents:
diff changeset
256 for (DatacageHandler handler: handlers) {
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diff changeset
257 handler.toLoad(toLoad);
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diff changeset
258 }
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259 }
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parents:
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260
897
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
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261
1267
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 916
diff changeset
262 protected void fireOnDoubleClick() {
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 916
diff changeset
263 for (DatacageDoubleClickHandler handler: doubleHandlers) {
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 916
diff changeset
264 handler.onDoubleClick(toLoad);
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 916
diff changeset
265 }
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 916
diff changeset
266 }
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 916
diff changeset
267
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 916
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268
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269 protected void doubleClickedOnTree(RecordDoubleClickEvent event) {
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diff changeset
270 TreeNode node = (TreeNode)event.getRecord();
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diff changeset
271 collectToLoads(node);
1267
07aa1f504491 Bugfix: #323 A double click in the datacage widget triggers the DatacageDoubleClickHandler.onDoubleClick() method of all registered handlers.
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parents: 916
diff changeset
272 fireOnDoubleClick();
848
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273 }
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274
897
2b6efb8b2301 Refactored DatacageWidget to allow reuse in other use-cases.
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parents: 892
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275
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276 protected void collectToLoads(TreeNode node) {
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parents:
diff changeset
277 Stack<TreeNode> stack = new Stack<TreeNode>();
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parents:
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278
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279 stack.push(node);
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parents:
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280
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diff changeset
281 while (!stack.isEmpty()) {
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diff changeset
282 node = stack.pop();
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parents:
diff changeset
283 String factory = node.getAttribute("factory");
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parents:
diff changeset
284 if (factory != null) { // we need at least a factory
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parents:
diff changeset
285 String artifact = node.getAttribute("artifact-id");
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
286 String out = node.getAttribute("out");
892
63b258bf365c Bugfix: Use name instead of description for loading new facets via Datacage.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 884
diff changeset
287 String name = node.getAttribute("facet");
848
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parents:
diff changeset
288 String ids = node.getAttribute("ids");
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parents:
diff changeset
289
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parents:
diff changeset
290 toLoad.add(artifact, factory, out, name, ids);
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parents:
diff changeset
291 }
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parents:
diff changeset
292 TreeNode [] children = tree.getChildren(node);
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parents:
diff changeset
293 if (children != null) {
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parents:
diff changeset
294 for (TreeNode child: children) {
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parents:
diff changeset
295 stack.push(child);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
296 }
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parents:
diff changeset
297 }
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
298 }
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
299 }
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parents:
diff changeset
300
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
301
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
302 protected void triggerTreeBuilding() {
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
303 Config config = Config.getInstance();
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
304 String url = config.getServerUrl();
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
305 String locale = config.getLocale();
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
306
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
307 String artifactId = artifact.getUuid();
868
439068365cde Minor cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 848
diff changeset
308 String userId = (user != null) ? user.identifier() : null;
848
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parents:
diff changeset
309
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
310 metaDataService.getMetaData(
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
311 url, locale,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
312 artifactId,
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
313 userId,
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
314 outs,
916
a1a5dc2b9e34 Improved the DEM datacage panel to display the DEMs only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 897
diff changeset
315 parameters,
848
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
316 new AsyncCallback<DataCageTree>() {
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parents:
diff changeset
317 public void onFailure(Throwable caught) {
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parents:
diff changeset
318 GWT.log("Could not load meta data.");
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parents:
diff changeset
319 SC.warn(caught.getMessage());
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parents:
diff changeset
320 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
321
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
322 public void onSuccess(DataCageTree dcTree) {
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parents:
diff changeset
323 GWT.log("Successfully loaded meta data.");
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
324 tree.setData(treeToData(dcTree));
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
325 treeGrid.setData(tree);
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
326 }
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
327 });
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
328 }
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
329
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
330 private static class IdGenerator {
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
331 protected int current;
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
332
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
333 public IdGenerator() {
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
334 }
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
335
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
336 public IdGenerator(int start) {
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
337 current = start;
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
338 }
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
339
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
340 public int next() {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
341 return current++;
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
342 }
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parents:
diff changeset
343 } // class IdGenerator
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
344
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parents:
diff changeset
345 protected static void buildRecursive(
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
346 DataCageNode node,
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
347 int parentId,
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
348 IdGenerator idGenerator,
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
349 List<TreeNode> nodes
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
350 ) {
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
351 TreeNode tn = new TreeNode();
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
352 int id = idGenerator.next();
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
353 tn.setAttribute("parent-id", parentId);
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
diff changeset
354 tn.setAttribute("id", id);
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
355 // TODO: i18n
892
63b258bf365c Bugfix: Use name instead of description for loading new facets via Datacage.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 884
diff changeset
356 tn.setAttribute("name", node.getDescription());
63b258bf365c Bugfix: Use name instead of description for loading new facets via Datacage.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 884
diff changeset
357 tn.setAttribute("facet", node.getName());
848
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
358 nodes.add(tn);
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
359 AttrList attrs = node.getAttributes();
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
360 if (attrs != null) {
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
361 for (int i = 0, N = attrs.size(); i < N; ++i) {
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
362 String key = attrs.getKey(i);
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
363 String value = attrs.getValue(i);
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
364 tn.setAttribute(key, value);
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
365 }
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
366 }
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
367 List<DataCageNode> children = node.getChildren();
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
368 if (children != null) {
9ecd58f619a4 Moved datacage into a separated widget.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
369 for (DataCageNode child: children) {
9ecd58f619a4 Moved datacage into a separated widget.
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parents:
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370 buildRecursive(child, id, idGenerator, nodes);
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371 }
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372 }
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373 }
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374
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375
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376 protected static TreeNode [] treeToData(DataCageTree tree) {
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377 List<TreeNode> nodes = new ArrayList<TreeNode>();
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378
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379 DataCageNode root = tree.getRoot();
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380
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381 IdGenerator idGenerator = new IdGenerator();
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382
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383 buildRecursive(root, idGenerator.next(), idGenerator, nodes);
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384
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385 return nodes.toArray(new TreeNode[nodes.size()]);
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386 }
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387 }
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388 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org