Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/WMSLayersTree.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents 0de61fc9d281
children
rev   line source
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63be3137abac Parse and display WMS layers supported by a user specified WMS service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.client.client.ui.map;
63be3137abac Parse and display WMS layers supported by a user specified WMS service.
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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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.smartgwt.client.types.TreeModelType;
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9 import com.smartgwt.client.widgets.tree.Tree;
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10 import com.smartgwt.client.widgets.tree.TreeGrid;
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11 import com.smartgwt.client.widgets.tree.TreeNode;
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12
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13 import de.intevation.flys.client.shared.model.Capabilities;
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14 import de.intevation.flys.client.shared.model.WMSLayer;
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15
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16
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17 public class WMSLayersTree extends TreeGrid {
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18
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19 /**
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20 * An internal TreeNode that stores besides some string attribute a WMSLayer
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21 * object.
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22 */
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23 public static class WMSLayerNode extends TreeNode {
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24
659a488243da Added code to trigger loading selected WMS layers from ExternalWMSWindow. Note: no code for loading/adding layers to the current map existing yet.
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25 protected WMSLayer wms;
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659a488243da Added code to trigger loading selected WMS layers from ExternalWMSWindow. Note: no code for loading/adding layers to the current map existing yet.
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27 public WMSLayerNode(WMSLayer wms) {
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28 super();
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29 this.wms = wms;
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30
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31 setAttribute("name", wms.getName());
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32 setAttribute("title", wms.getTitle());
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33 }
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34
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35 public WMSLayer getWMSLayer() {
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36 return wms;
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37 }
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38 } // end of class WMSLayerNode
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39
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40
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41 protected Capabilities capabilites;
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42 protected String srs;
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44
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45 public WMSLayersTree(Capabilities capabilites) {
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46 super();
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47 this.capabilites = capabilites;
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48
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49 initTree();
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50 }
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51
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52
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53 public WMSLayersTree(Capabilities capabilites, String srs) {
750a53950e9f The WMSLayerTree displays WMS layers that support a given SRS only.
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54 super();
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55
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56 this.capabilites = capabilites;
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57 this.srs = srs;
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58
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59 initTree();
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60 }
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61
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62
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63 protected void initTree() {
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64 setLoadDataOnDemand(false);
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65 setWidth100();
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66 setHeight100();
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67 setShowRoot(false);
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68 setShowConnectors(true);
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69 setNodeIcon("[SKIN]/images/blank.gif");
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70
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71 Tree tree = new Tree();
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72 tree.setChildrenProperty("children-nodes");
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73 tree.setNameProperty("title");
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74 tree.setIdField("title");
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75 tree.setModelType(TreeModelType.CHILDREN);
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76 tree.setShowRoot(false);
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77
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78 TreeNode root = new TreeNode("Root");
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79 TreeNode[] layers = buildTree(capabilites.getLayers());
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80
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81 root.setAttribute("children-nodes", layers);
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82 tree.setRoot(root);
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83
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84 setData(tree);
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85
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86 if (layers != null && layers.length == 1) {
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87 tree.openFolder(layers[0]);
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88 }
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89 }
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90
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91
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92 protected TreeNode[] buildTree(List<WMSLayer> layers) {
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93 List<TreeNode> layerNodes = new ArrayList<TreeNode>();
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94
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95 for (WMSLayer layer: layers) {
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96 WMSLayerNode tn = buildTreeNode(layer);
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97
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98 if (tn != null) {
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99 TreeNode[] tns = buildTree(layer.getLayers());
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100
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101 if (tns != null && tns.length > 0) {
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102 tn.setAttribute("children-nodes", tns);
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103 }
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104
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105 layerNodes.add(tn);
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106 }
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107 }
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108
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109 return layerNodes.toArray(new TreeNode[layerNodes.size()]);
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110 }
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111
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112
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113 protected WMSLayerNode buildTreeNode(WMSLayer wms) {
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114 if (srs != null && srs.length() > 0) {
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115 return wms.supportsSrs(srs) ? new WMSLayerNode(wms) : null;
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116 }
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117 else {
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118 GWT.log("No target SRS specified.");
750a53950e9f The WMSLayerTree displays WMS layers that support a given SRS only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1412
diff changeset
119 return new WMSLayerNode(wms);
750a53950e9f The WMSLayerTree displays WMS layers that support a given SRS only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1412
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120 }
1412
659a488243da Added code to trigger loading selected WMS layers from ExternalWMSWindow. Note: no code for loading/adding layers to the current map existing yet.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1411
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121 }
1411
63be3137abac Parse and display WMS layers supported by a user specified WMS service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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122 }
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