Mercurial > dive4elements > gnv-client

annotate gnv/src/main/webapp/scripts/olutils.js @ 975:5779220ebb80

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Added functionality to read WMS-Capabilities-Documents gnv/trunk@1145 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 01 Jun 2010 17:40:54 +0000
parents
children 96db238fc5ab
rev   line source
975
5779220ebb80 Added functionality to read WMS-Capabilities-Documents
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1 function handleMeasurements(event) {
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2 var geometry = event.geometry;
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3 var units = event.units;
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4 var order = event.order;
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5 var measure = event.measure;
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6 var element = document.getElementById('measurements');
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7
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8 var out = "";
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9 if(order == 1) {
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10 out += "L\u00e4nge: " + measure.toFixed(3) + " " + units;
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11 } else {
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12 out += "Fl\u00e4che: " + measure.toFixed(3) + " " + units + "<sup>2</sup>";
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13 }
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14
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15 element.innerHTML=out;
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16 };
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17
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18
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19
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20 function readWMC(merge) {
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21 var layers = mapPanel.layers;
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22 map = mapPanel.map;
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23
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24 var format = new OpenLayers.Format.WMC({'layerOptions': {buffer: 0}});
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25 var text = document.getElementById("wmc").value;
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26
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27 merge = true;
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28 if(merge) {
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29 try {
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30 map = format.read(text, {map: map});
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31 } catch(err) {
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32 document.getElementById("wmc").value = err;
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33 }
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34 } else {
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35 map.destroy();
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36 try {
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37 var jsonFormat = new OpenLayers.Format.JSON();
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38 var mapOptions = jsonFormat.read();
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39 map = format.read(text, {map: mapOptions});
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40 } catch(err) {
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41 document.getElementById("wmc").value = err;
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42 }
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43 }
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44
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45 // create MapPanel
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46 mapPanel = new GeoExt.MapPanel({
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47 border: true,
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48 title: "Karte",
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49 region: "center",
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50 map: map,
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51 zoom: 1,
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52 layers: map.layers
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53 });
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54 }
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55
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56
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57 function writeWMC(merge) {
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58 var format = new OpenLayers.Format.WMC({'layerOptions': {buffer: 0}});
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59
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60 try {
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61 var text = format.write(map);
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62 document.getElementById("wmc").value = text;
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63 } catch(err) {
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64 document.getElementById("wmc").value = err;
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65 }
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66 }
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67
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68
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69
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70 function toggleGetFeatureInfo(evt) {
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71 if (infoActive) {
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72 infoControls.click.deactivate();
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73 infoActive = false;
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74 }
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75 else {
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76 infoControls.click.activate();
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77 infoActive = true;
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78 }
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79 }
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80
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81
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82 function showInfo(evt) {
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83 }
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84
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85
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86 function addLayer() {
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87 var record = grid.getSelectionModel().getSelected();
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88
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89 if (record) {
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90 var copy = record.copy();
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91 copy.set("layer", record.get("layer"));
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92 copy.get("layer").mergeNewParams({
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93 format: "image/png",
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94 transparent: true
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95 });
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96
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97 mapPanel.layers.add(copy);
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98 mapPanel.map.zoomToExtent(OpenLayers.Bounds.fromArray(copy.get("llbbox")));
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99 }
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100 }
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101
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102
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103 // this is just copied from OpenLayers.Util
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104 function urlAppend(url, paramStr) {
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105 var newUrl = url;
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106 if(paramStr) {
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107 var parts = (url + " ").split(/[?&]/);
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108 newUrl += (parts.pop() === " " ?
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109 paramStr :
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110 parts.length ? "&" + paramStr : "?" + paramStr);
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111 }
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112 return newUrl;
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113 }
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114
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115
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116 function updateCapabilities() {
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117 var ele = Ext.Element.get('capfield');
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118
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119 var url = ele.getValue();
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120 var service = "SERVICE=WMS";
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121 var request = "REQUEST=GetCapabilities";
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122 url = urlAppend(url, service);
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123 url = urlAppend(url, request);
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124
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125 store = new GeoExt.data.WMSCapabilitiesStore({
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126 url: url
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127 });
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128 store.load();
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129
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130 grid.destroy();
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131 grid = new Ext.grid.GridPanel({
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132 id: 'wmsgrid',
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133 collapsible: false,
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134 split: false,
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135 border: true,
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136 height: 440,
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137 //autoHeight: true, don't use autoHeight, because the component doesn't
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138 //take care on the 'addLayer' button at the bottom
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139 store: store,
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140 cm: new Ext.grid.ColumnModel([
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141 {
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142 header: 'Name',
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143 dataIndex: 'name',
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144 sortable: true
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145 },
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146 {
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147 id: 'title',
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148 header: 'Title',
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149 dataIndex: 'title',
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150 sortable: true
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151 }]),
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152 renderTo: 'capgrid',
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153 bbar: [{
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154 text: 'Add Layer',
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155 handler: addLayer
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156 }]
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157 });
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158 }
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159
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160
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161 function editFeature(e) {
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162 var feature = e.feature;
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163
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164 // TODO SET FEATURE ATTRIBUTES
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165 //feature.attributes['lawa'] = 999;
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166 //feature.attributes['lawa_id'] = 999;
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167 //feature.attributes['w_gwk_lawa'] = 999;
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168 //feature.attributes['w_wrrl'] = 999;
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169 //feature.attributes['length_fee'] = 999;
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170 }
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171
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172 function updateControls() {
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173 var controls = panel.controls;
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174
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175 controls.remove(drawPointControl);
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176 controls.remove(drawPathControl);
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177 controls.remove(drawPolygonControl);
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178
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179 panel.destroy();
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180 panel = new OpenLayers.Control.Panel();
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181 panel.addControls(controls);
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182
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183 if (points.getVisibility())
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184 panel.addControls(drawPointControl);
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185 if (lines.getVisibility())
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186 panel.addControls(drawPathControl);
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187 if (polygons.getVisibility())
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188 panel.addControls(drawPolygonControl);
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189
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190 map.addControl(panel);
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191 }
http://dive4elements.wald.intevation.org