[OpenLayers-Users] Attributes of WFS features

[Robert Sanson]

I have a n OpenLayers map that displays point markers for a WFS layer served from Mapserver. The source data is an OGR Virtual layer reading froma table in a SQL-server database with x,y fields in a table.
 
Here is the OL snippet that adds the layer:
 
var wfs = new OpenLayers.Layer.WFS("API WFS", 
          "http://10.65.192.1/cgi-bin/apiwfs.exe?",
          {typename: 'apiaries_dev', maxfeatures: 100},
          {scales: [150000, 10], featureClass: OpenLayers.Feature.WFS});
                map.addLayers([wms1,wfs]);
                map.setBaseLayer(wms1);
 
The layer displays fine on top of a base WMS layer.
 
I want to be able to select a single marker using a CTRL-click, and send the attributes to a div below the map. Next I want to be able to capture a new location for the marker using ALT-click, and send the map coordinates to a separate div. From there, I will formulate a POST to a server to update the location in the source table.
 
The code for capturing the coordinates is as follows:
 
//add various map controls
                var control = new OpenLayers.Control();
                OpenLayers.Util.extend(control, {
                    draw: function () {
                    // this Handler.Point will intercept the ctrl-mousedown
                    // before Control.MouseDefault gets to see it
                        this.point = new OpenLayers.Handler.Point( control,
                            {"done": this.notice},
                            {keyMask: OpenLayers.Handler.MOD_ALT});
                        this.point.activate();
                    },
 
                    notice: function (bounds) {
                        document.getElementById('apiary').innerHTML = bounds;
                    }
                });
                map.addControl(control);
 
This works.
 
However, I have no idea as to how to select and then get at the attributes of the WFS layer. Any help appreciated.
 
Many thanks,
 
Robert Sanson
 
 

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