Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWindow.java @ 814:6db4839e0ba1

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Datacage: Added a subclass of TreeNode to carry the informations needed by the loading listeners. flys-client/trunk@2470 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 08 Aug 2011 16:19:00 +0000
parents 70b728a9f4e8
children 112f95d7b286
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 java.util.List;
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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.Window;
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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.TreeNode;
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15 import com.smartgwt.client.widgets.tree.TreeGrid;
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16
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17 import com.smartgwt.client.widgets.layout.Layout;
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18 import com.smartgwt.client.widgets.layout.VLayout;
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19
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20 import de.intevation.flys.client.shared.model.Artifact;
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21 import de.intevation.flys.client.shared.model.ArtifactDescription;
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22 import de.intevation.flys.client.shared.model.Data;
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23 import de.intevation.flys.client.shared.model.DataList;
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24 import de.intevation.flys.client.shared.model.DataItem;
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25 import de.intevation.flys.client.shared.model.User;
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26
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27 import de.intevation.flys.client.client.FLYSConstants;
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28 import de.intevation.flys.client.client.Config;
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29
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30 import de.intevation.flys.client.client.services.MetaDataService;
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31 import de.intevation.flys.client.client.services.MetaDataServiceAsync;
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32
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33 import de.intevation.flys.client.shared.model.DataCageTree;
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34 import de.intevation.flys.client.shared.model.DataCageNode;
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35
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36 import de.intevation.flys.client.client.widgets.tree.AttributedTreeNode;
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37
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38 public class DatacageWindow
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39 extends Window
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40 {
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41 protected MetaDataServiceAsync metaDataService =
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42 GWT.create(MetaDataService.class);
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43
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44 protected FLYSConstants messages =
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45 GWT.create(FLYSConstants.class);
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46
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47
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48 protected Artifact artifact;
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49 protected User user;
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50
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51 protected TreeGrid treeGrid;
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52
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53 protected Layout layout;
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54
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55
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56 public DatacageWindow(Artifact artifact, User user) {
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57 this.artifact = artifact;
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58 this.user = user;
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59
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60 setWidth(250);
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61 setHeight(400);
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62
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63 layout = new VLayout();
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64 layout.setWidth100();
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65
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66 addItem(layout);
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67
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68 treeGrid = new TreeGrid();
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69 treeGrid.setLoadDataOnDemand(false);
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70 treeGrid.setWidth100();
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71 treeGrid.setHeight100();
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72
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73 layout.addMember(treeGrid);
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74
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75 String river = findRiver();
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76 // TODO: i18n
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77 setTitle("Datenkorb: " + river);
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78 setShowMinimizeButton(false);
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79 setIsModal(true);
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80 setShowModalMask(true);
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81 setCanDragResize(true);
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82
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83 centerInPage();
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84
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85 triggerTreeBuilding();
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86 }
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87
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88 protected void triggerTreeBuilding() {
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89 Config config = Config.getInstance();
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90 String url = config.getServerUrl();
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91 String locale = config.getLocale();
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92
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93 String artifactId = artifact.getUuid();
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94 String userId = user != null ? user.identifier() : null;
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95
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96 metaDataService.getMetaData(
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97 url, locale,
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98 artifactId,
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99 userId,
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100 new AsyncCallback<DataCageTree>() {
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101 public void onFailure(Throwable caught) {
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102 GWT.log("Could not load meta data.");
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103 SC.warn(caught.getMessage());
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104 }
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105
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106 public void onSuccess(DataCageTree tree) {
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107 GWT.log("Successfully loaded meta data.");
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108 buildTree(tree);
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109 }
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110 });
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111 }
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112
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113 protected void buildTree(DataCageTree tree) {
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114 treeGrid.setData(convertTree(tree));
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115 }
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116
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117 protected static AttributedTreeNode convert(DataCageNode node) {
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118 List<DataCageNode> children = node.getChildren();
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119
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120 AttributedTreeNode [] cs;
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121
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122 if (children != null) {
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123 cs = new AttributedTreeNode[children.size()];
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124
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125 for (int i = 0, N = children.size(); i < N; ++i) {
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126 cs[i] = convert(children.get(i));
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127 }
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128 }
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129 else {
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130 cs = new AttributedTreeNode[0];
278
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131 }
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132
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133 return new AttributedTreeNode(
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134 node.getName(), node.getAttributes(), cs);
278
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135 }
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136
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137 protected static Tree convertTree(DataCageTree tree) {
278
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138 DataCageNode root = tree.getRoot();
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139
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140 List<DataCageNode> children = root.getChildren();
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141
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142 AttributedTreeNode [] cs;
278
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143
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144 if (children != null) {
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145 cs = new AttributedTreeNode[children.size()];
278
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146
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147 for (int i = 0, N = children.size(); i < N; ++i) {
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148 cs[i] = convert(children.get(i));
278
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149 }
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150 }
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151 else {
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152 cs = new AttributedTreeNode[0];
278
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153 }
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154
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155 AttributedTreeNode rn = new AttributedTreeNode(
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156 root.getName(), root.getAttributes(), cs);
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157
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158 Tree r = new Tree();
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159 r.setRoot(rn);
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160
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161 return r;
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162 }
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163
276
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164 protected String findRiver() {
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165
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166 ArtifactDescription adescr = artifact.getArtifactDescription();
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167 DataList [] data = adescr.getOldData();
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168
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169 if (data != null && data.length > 0) {
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170 for (int i = 0; i < data.length; i++) {
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171 DataList dl = data[i];
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172 if (dl.getState().equals("state.winfo.river")) {
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173 for (int j = dl.size()-1; j >= 0; --j) {
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174 Data d = dl.get(j);
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175 DataItem [] di = d.getItems();
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176 if (di != null && di.length == 1) {
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177 return d.getItems()[0].getStringValue();
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178 }
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179 }
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180 }
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181 }
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182 }
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183
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184 return "";
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185 }
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186 }
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187 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org