Ok so now I am using the code located here -
http://trac.osgeo.org/openlayers/browser/sandbox/bartvde/wmsgetfeatureinfo/openlayers/examples/getfeatureinfo-gml.html?rev=8453
And I redefined my getfeature control.. except I still have similar
questions unfortunately.
My code is the same as the example however modified slightly.. Now maybe I
am just not understanding this control correctly.. what I need to do is have
multiple layers but sometimes these layers are not visible...except I am not
adding these layers to the map at all I am declaring a seperate WMS layer
for an existing one and not adding it to the map, but still using it for the
getfeatureinfo (for speed purposes). So therefore I have to add/remove
layers from this getfeature control when the user switches themes and turns
legend entries on/off etc. I keep trying to do this in function however I am
ran into problems with my control firing a previously declared events.on
method instead of one i modified... so I'm guessing the events.on was still
registered and screwing up my new one. Is there a better way I should be
doing this if I want to have multiple layers for the below code but still be
able to remove/add them to the control?
var infoCtrl = new OpenLayers.Control({
activate: function() {
var handlerOptions = {
'single': true,
'double': false,
'pixelTolerance': 0,
'stopSingle': false,
'stopDouble': false
};
this.handler = new OpenLayers.Handler.Click(this, {
'click': this.onClick
}, handlerOptions);
this.protocol = new OpenLayers.Protocol.HTTP({
url: url,
format: new OpenLayers.Format.WMSGetFeatureInfo()
});
OpenLayers.Control.prototype.activate.call(this);
},
onClick: function(e) {
this.protocol.read({
params: {
REQUEST: "GetFeatureInfo",
EXCEPTIONS: "application/vnd.ogc.se_xml",
VERSION: "1.1.1",
BBOX: map.getExtent().toBBOX(),
X: e.xy.x,
Y: e.xy.y,
INFO_FORMAT: 'text/xml',
LAYERS: layer_Parcel_Hotspots.params.LAYERS,
QUERY_LAYERS: layer_Parcel_Hotspots.params.LAYERS,
WIDTH: map.size.w,
HEIGHT: map.size.h
},
callback: this.onResponse,
scope: this
});
},
onResponse: function(response) {
//testing output - it works
alert(response.priv.responseText);
}
});
map.addControl(infoCtrl);
infoCtrl.activate();
--
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