Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/WMSLayersTree.java @ 2938:0de3665daf36
Fix issue706.
flys-client/trunk@4892 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Sun, 08 Jul 2012 07:44:34 +0000 |
parents | 750a53950e9f |
children | 0de61fc9d281 |
rev | line source |
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Parse and display WMS layers supported by a user specified WMS service.
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1 package de.intevation.flys.client.client.ui.map; |
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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 |
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25 protected WMSLayer wms; |
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26 |
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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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43 |
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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) { |
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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 (TreeNode[]) 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."); |
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119 return new WMSLayerNode(wms); |
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120 } |
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121 } |
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122 } |