[OpenLayers-Users] inconsistent click handling

[Gert-Jan Braas]

Hello list,

I'm having a persistent problem, which is not very consistently
reproducible.

I have a small application with a button, which when beeing clicked,
places a marker
on a map. The marker can be moved.
When double clicked, the marker dis-appears and a popup-window is shown.
In 50% (a guestimate) of the 'double-clicks' there is no reaction at al

This page is as clean as I can create the example:
http://ligplekwijzer.steckelfisch.nl/feature-not-responding-test1.html

This code creates the layer:
function addNewLigplekLayer() {
  var SHADOW_Z_INDEX = 10;
  var MARKER_Z_INDEX = 11;

  try {
        newLigplekLayer = new OpenLayers.Layer.Vector( "Aanmelden nieuwe 
ligplek",
                {
                    styleMap: new OpenLayers.StyleMap({
                        externalGraphic: "/ligplekwijzer_files/img/Cross.png",
                        backgroundXOffset: 0,
                        backgroundYOffset: -7,
                        graphicZIndex: MARKER_Z_INDEX,
                        backgroundGraphicZIndex: SHADOW_Z_INDEX,
                        pointRadius: 15
                    }),
                    isBaseLayer: false,
                    displayInLayerSwitcher: false
                }
        );

        // Toevoegen drag feature control voor het verslepen van een feature
        var dragFeature = new OpenLayers.Control.DragFeature(newLigplekLayer);
        map.addControl( dragFeature );
        dragFeature.activate();

        var newLigplekControlOptions = {   onSelect: onNieuweLigplekSelect,
                                            onUnselect: onNieuweLigplekUnselect 
};

        newLigplekControl = new 
OpenLayers.Control.SelectFeature(newLigplekLayer,
                                                                    
newLigplekControlOptions)
;
        map.addControl( newLigplekControl );
        newLigplekControl.activate();

        map.addLayers([newLigplekLayer]);
        newLigplekLayer.setVisibility( true, true);
  } catch(e) {
    alert("Opbouwen van de data-laag AanmeldenNieuweLigplek is verkeerd
gegeaan. " + e.name + ". Error message: " + e.message);
  }

}



this is the code that adds the marker to the layer:

function addNewLigplekFeature() {
    //alert("addNewLigplekFeature");
    try {
        if( newLigplekLayer != null) {
                try {
                   newLigplekLayer.destroyFeatures(newLigplekLayer.features);
                }
                catch( err) {
                   //ignore.
                   alert(err);
                }

                var features = [];
                var center = map.getViewPortPxFromLonLat(map.getCenter());
                var pixel = new OpenLayers.Pixel(center.x, center.y);
                var lonLat = map.getLonLatFromViewPortPx(pixel);
                features.push(
                            new OpenLayers.Feature.Vector(
                                new OpenLayers.Geometry.Point(lonLat.lon, 
lonLat.lat)
                            )
                );

                newLigplekLayer.addFeatures(features);
                newLigplekLayer.setVisibility( true, true);
        }
    }
    catch( err) {
        alert( "Error in addNewLigplekFeature: "+err );
    }
}


I hope someone can provide me a handle or a pointer to solve this issue.

Regards,
Gert-Jan Braas

====================
Scholen dienen methodes te onderwijzen,
niet het gebruik van Microsoft producten.

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