On Sunday, August 16, 2009, Nicholas Efremov-Kendall
<[email protected]> wrote:
> Hi all,
> I'm having some issues with my code, and I'm not sure where the problem lies.
> This code worked at one point, and I've been staring at it for too long to
> see the problem. Two firebug errors fire when I click on one of the POI's
> "feature.geometry is undefined" and "popup is undefined". Any suggestions?
>
>
> var map, layer, selectedFeature, selectControl, selectedFeature,
> sites;function onPopupClose(evt) {
> selectControl.unselect(selectedFeature); }
>
> function onFeatureSelect(feature) { selectedFeature = feature;
"featureselected" listeners do not receive a feature but an object
with a feature property referencing the selected feature. So your code
should look like this:
function onFeatureSelect(evt) {
selectedFeature = evt.feature;
...
}
cheers,
> popup = new OpenLayers.Popup.FramedCloud("chicken",
> feature.geometry.getBounds().getCenterLonLat(),
> null,
> "<div style='font-size:.8em'>Site_ID: " + feature.attributes.title +"<hr
> />Locality: " + feature.attributes.title+"<br/>Description: "
> +feature.attributes+"<br/> Feature ID: "+feature.id+"<br/>Feature
> Type:"+feature.attributes.NEWSITE_ +"</div>",
> null, true, onPopupClose);
> feature.popup = popup; map.addPopup(popup); }
> function onFeatureUnselect(feature) {
> map.removePopup(feature.popup); feature.popup.destroy();
> feature.popup = null;
> }
> function init() { map = new
> OpenLayers.Map ("map",
> {
> controls:[ new
> OpenLayers.Control.Navigation(),
> new OpenLayers.Control.PanZoomBar(),
> new OpenLayers.Control.LayerSwitcher(),
> new OpenLayers.Control.Attribution()],
> sphericalMercator: true,
> maxExtent: new
> OpenLayers.Bounds(-20037508.34,-20037508.34,20037508.34,20037508.34),
> maxResolution: 156543.0399,
> numZoomLevels: 19, units: 'm',
> projection: new
> OpenLayers.Projection("EPSG:900913"),
> displayProjection: new OpenLayers.Projection("EPSG:4326"),
> } );
>
> var sites = new OpenLayers.Layer.GML (
> "Archaeological Sites", "data/siteswatr.gml",
> { style: {pointRadius: 2.5},
> projection: new OpenLayers.Projection("EPSG:4326"),
> format: OpenLayers.Format.GML }
> );
> map.addLayer(sites);
> sites.events.on({ 'featureselected':
> onFeatureSelect,
> 'featureunselected': onFeatureUnselect
> });
>
> selectControl = new OpenLayers.Control.SelectFeature(sites,
> {clickout: true, toggle: false,
> hover: false,
> } );
> map.addControl(selectControl);
> selectControl.activate();
> if( ! map.getCenter() ){
> sites.events.register('loadend', sites,
> function(){map.zoomToExtent(sites.getDataExtent())});
> map.setCenter(null, null); };}
> --
> Nicholas Efremov-Kendall
> Fulbright Student 2009-2010, Ukraine
> [email protected]
> c/o Halyna Yerko
> Balzaka 92a, Kv 27
> 02232
> Kyiv, Ukraine
> (mob) +380963576524
>
>
--
Eric Lemoine
Camptocamp France SAS
Savoie Technolac, BP 352
73377 Le Bourget du Lac, Cedex
Tel : 00 33 4 79 44 44 96
Mail : [email protected]
http://www.camptocamp.com
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