From fcc2057b42c195dd969382ecf8258e6c9f8555ae Mon Sep 17 00:00:00 2001
From: bartvde <bartvde@osgis.nl>
Date: Wed, 23 Dec 2009 11:35:57 +0000
Subject: [PATCH] forgot the actual example, should have gone in with r9920

git-svn-id: http://svn.openlayers.org/trunk/openlayers@9921 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
---
 examples/sos.html | 179 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 examples/sos.html
diff --git a/examples/sos.html b/examples/sos.html
new file mode 100644
index 0000000000..5483881bf8
--- /dev/null
+++ b/examples/sos.html
@@ -0,0 +1,179 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
+    <style type="text/css">
+    .sosmap {
+        width: 768px;
+        height: 512px;
+    }
+    </style>
+    <script src="../lib/OpenLayers.js"></script>
+    <script type="text/javascript">
+        var map;
+
+        OpenLayers.ProxyHost = "proxy.cgi?url=";
+        OpenLayers.Util.extend(OpenLayers.Lang.en,
+            {
+                'SOSClientType': "Type",
+                'SOSClientTime': "Date/time",
+                'SOSClientLastvalue': "Last value"
+            }
+        );
+
+        // Example class on how to put all the OpenLayers SOS pieces together
+        OpenLayers.SOSClient = OpenLayers.Class({
+            url: null,
+            map: null,
+            capsformat: new OpenLayers.Format.SOSCapabilities(),
+            obsformat: new OpenLayers.Format.SOSGetObservation(),
+            initialize: function (options) {
+                OpenLayers.Util.extend(this, options);
+                var params = {'service': 'SOS', 'request': 'GetCapabilities'};
+                var paramString = OpenLayers.Util.getParameterString(params);
+                url = OpenLayers.Util.urlAppend(this.url, paramString);
+                OpenLayers.Request.GET({url: url,
+                    success: this.parseSOSCaps, scope: this});
+            },
+            getFois: function() {
+                var result = [];
+                this.offeringCount = 0; 
+                for (var name in this.SOSCapabilities.contents.offeringList) {
+                    var offering = this.SOSCapabilities.contents.offeringList[name];
+                    this.offeringCount++;
+                    for (var i=0, len=offering.featureOfInterestIds.length; i<len; i++) {
+                        var foi = offering.featureOfInterestIds[i];
+                        if (OpenLayers.Util.indexOf(result, foi) === -1) {
+                            result.push(foi);
+                        }
+                    }
+                }
+                return result;
+            },
+            parseSOSCaps: function(response) {
+                // cache capabilities for future use
+                this.SOSCapabilities = this.capsformat.read(response.responseXML || response.responseText);
+                this.layer = new OpenLayers.Layer.Vector("Stations", {
+                    strategies: [new OpenLayers.Strategy.Fixed()],
+                    protocol: new OpenLayers.Protocol.SOS({
+                        formatOptions: {internalProjection: map.getProjectionObject()},
+                        url: this.url,
+                        fois: this.getFois()
+                    })
+                });
+                this.map.addLayer(this.layer);
+                this.ctrl = new OpenLayers.Control.SelectFeature(this.layer,
+                    {scope: this, onSelect: this.onFeatureSelect});
+                this.map.addControl(this.ctrl);
+                this.ctrl.activate();
+            },
+            getTitleForObservedProperty: function(property) {
+                for (var name in this.SOSCapabilities.contents.offeringList) {
+                    var offering = this.SOSCapabilities.contents.offeringList[name];
+                    if (offering.observedProperty === property) {
+                        return offering.name;
+                    }
+                }
+            },
+            showPopup: function(response) {
+                this.count++;
+                var output = this.obsformat.read(response.responseXML || response.responseText);
+                this.html += '<tr>';
+                this.html += '<td width="100">'+this.getTitleForObservedProperty(output.measurements[0].observedProperty)+'</td>';
+                this.html += '<td>'+output.measurements[0].samplingTime.timeInstant.timePosition+'</td>';
+                this.html += '<td>'+output.measurements[0].result.value + ' ' + output.measurements[0].result.uom + '</td>';
+                this.html += '</tr>';
+                // check if we are done
+                if (this.count === this.numRequests) {
+                    var html = '<table cellspacing="10"><tbody>';
+                    html += '<tr>';
+                    html += '<th><b>'+OpenLayers.i18n('SOSClientType')+'</b></th>';
+                    html += '<th><b>'+OpenLayers.i18n('SOSClientTime')+'</b></th>';
+                    html += '<th><b>'+OpenLayers.i18n('SOSClientLastvalue')+'</b></th>';
+                    html += '</tr>';
+                    html += this.html;
+                    html += '</tbody></table>';
+                    var popup = new OpenLayers.Popup.FramedCloud("sensor",
+                    this.feature.geometry.getBounds().getCenterLonLat(),
+                        null,
+                        html,
+                        null,
+                        true,
+                        function(e) {
+                            this.hide();
+                            OpenLayers.Event.stop(e);
+                            // unselect so popup can be shown again
+                            this.map.getControlsByClass('OpenLayers.Control.SelectFeature')[0].unselectAll();
+                        } 
+                    );
+                    this.feature.popup = popup;
+                    this.map.addPopup(popup);
+                }
+            },
+            onFeatureSelect: function(feature) {
+                this.feature = feature;
+                this.count = 0;
+                this.html = '';
+                this.numRequests = this.offeringCount;
+                if (!this.responseFormat) {
+                    for (format in this.SOSCapabilities.operationsMetadata.GetObservation.parameters.responseFormat.allowedValues) {
+                        // look for a text/xml type of format
+                        if (format.indexOf('text/xml') >= 0) {
+                            this.responseFormat = format;
+                        }
+                    }
+                }
+                // do a GetObservation request to get the latest values
+                for (var name in this.SOSCapabilities.contents.offeringList) {
+                    var offering = this.SOSCapabilities.contents.offeringList[name];
+                    var xml = this.obsformat.write({
+                        eventTime: 'latest',
+                        resultModel: 'measurement',
+                        responseMode: 'inline',
+                        procedure: feature.attributes.id,
+                        offering: name,
+                        observedProperty: offering.observedProperty,
+                        responseFormat: this.responseFormat
+                    });
+                    OpenLayers.Request.POST({
+                        url: this.url,
+                        scope: this,
+                        success: this.showPopup,
+                        data: xml
+                    });
+                }
+            },
+            destroy: function () {
+            },
+            CLASS_NAME: "OpenLayers.SOSClient"
+        });
+
+        function init(){
+            map = new OpenLayers.Map( 'map' );
+            var baseLayer = new OpenLayers.Layer.WMS("Test Layer", "http://labs.metacarta.com/wms/vmap0?", {
+                layers: "basic"}, {singleTile: true});
+
+            var sos = new OpenLayers.SOSClient({map: map, url: 'http://v-swe.uni-muenster.de:8080/WeatherSOS/sos?'});
+
+            map.addLayers([baseLayer]);
+            map.setCenter(new OpenLayers.LonLat(5, 45), 4);
+            map.addControl( new OpenLayers.Control.LayerSwitcher() );
+            map.addControl( new OpenLayers.Control.MousePosition() );
+        }
+    </script>
+  </head>
+  <body onload="init()">
+    <h1 id="title">SOS client example</h1>
+
+    <div id="tags">
+    </div>
+        <p id="shortdesc">
+            Shows how to connect OpenLayers to a Sensor Observation Service (SOS)
+        </p>
+    <div id="map" class="sosmap"></div>
+        <div id="docs">
+        <p>This example uses a vector layer with a Protocol.SOS and a fixed Strategy.
+        </p><p>When clicking on a point feature (the weather stations offered by the SOS), the
+        latest values for all offerings are displayed in a popup.</p>
+        </div>
+  </body>
+</html>
