rdewit

<html>
  <head>
    <title>OpenLayers GetFeature Example</title>
    <script src="../lib/OpenLayers.js"></script>
    <link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
    <link rel="stylesheet" href="style.css" type="text/css" />
    <style type="text/css">
        ul, li { padding-left: 0px; margin-left: 0px; }
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  </head>

  <body>
      <h1 id="title">GetFeature Example</h1>

      <div id="tags"></div>

      <p id="shortdesc">
        Demonstrates sending a GetFeature query to an OWS. Returns information about a map feature in the side DIV.
      </p>

    <a id="permalink" href="">Permalink</a><br />

    <div style="float:right;width:28%">
        <h1 style="font-size:1.3em;">USA States</h1>
        <p style="font-size:.8em;">Click a country to see statistics about the country below.</p>
        <div id="nodeList">
        </div>
    </div>
      <div id="map" class="smallmap"></div>

  <script defer="defer" type="text/javascript">
    OpenLayers.ProxyHost = "proxy.cgi?url=";
    var map = new OpenLayers.Map('map', {'maxResolution':'auto'});

    var wms = new OpenLayers.Layer.WMS( "OpenLayers WMS",
        "http://localhost:18080/geoserver/ows", {'layers': 'topp:states'} );
    map.addLayer(wms);
    map.addControl(new OpenLayers.Control.Permalink('permalink'));
    map.zoomToMaxExtent();
    map.events.register('click', map, function (e) {
            OpenLayers.Util.getElement('nodeList').innerHTML = "Loading... please wait...";

            var lonlat = map.getLonLatFromViewPortPx(e.xy);
            var lonlatString = lonlat.toShortString().replace(/ /g, ''); // remove any spaces

            var filter = '<Filter xmlns="http://www.opengis.net/ogc" xmlns:gml="http://www.opengis.net/gml"><Intersects><PropertyName>the_geom</PropertyName><gml:Point srsName="EPSG:4326"><gml:coordinates>' + lonlatString + '</gml:coordinates></gml:Point></Intersects></Filter>';

            var params = {
                service: 'WFS',
                request: 'GetFeature',
                version: '1.1.0',
                typeName: wms.params.LAYERS,
                outputFormat: 'json',
                // remove the propertyName line below to get all attributes
                propertyName: 'STATE_ABBR,STATE_NAME,STATE_FIPS',
                filter: filter
            };

            var u = OpenLayers.Util.removeTail(wms.url);
            u += '?' + OpenLayers.Util.getParameterString(params);

            OpenLayers.loadURL(u, '', this, setHTML);
            OpenLayers.Event.stop(e);
      });
    function setHTML(response) {
        var jsonReader = new OpenLayers.Format.GeoJSON();
        var features = jsonReader.read(response.responseText);
        var html = '<hr />';
        for (var i=0; i< features.length; i++) {
            var feature = features[i];
            html += '<strong>' + feature.id + '</strong>' + '<br />';;
            for (var a in feature.attributes) {
                html += '<strong>' + a + '</strong>: ' + escape(feature.attributes[a]) + '<br />';
            }
        }
        OpenLayers.Util.getElement('nodeList').innerHTML = html;
    }
  </script>

    <div id="docs">
    </div>
  </body>
</html>