[OpenLayers-Dev] this.renderer has no properties

[Erik Uzureau]

Dear Bart,

This does indeed seem like a valid reason for opening a ticket. Please do so!
thanks,
erik

On Feb 4, 2008 9:29 AM, Bart van den Eijnden (OSGIS) <bartvde at osgis.nl> wrote:
> Hi list,
>
> I occassionally run into the above js error in the function eraseFeatures of
> Vector.js.
>
>    eraseFeatures: function(features) {
>        this.renderer.eraseFeatures(features);
>    },
>
> My use case is a vector layer which is displayed in a table, and only if
> somebody selects a row the feature is drawn. When the layer is destroyed the
> problem arises.
>
> The fix I did was to add a check for features in destroyFeatures.
>
>    destroyFeatures: function(features) {
>        var all = (features == undefined);
>        if(all) {
>            features = this.features;
>            this.selectedFeatures = [];
>        }
>        // bartvde
>        if (features) {
>            this.eraseFeatures(features);
>            var feature;
>            for(var i=features.length-1; i>=0; i--) {
>                feature = features[i];
>                if(!all) {
>                    OpenLayers.Util.removeItem(this.selectedFeatures,
> feature);
>                }
>                feature.destroy();
>            }
>        }
>
> Should I open up a ticket? Or are there other ways to prevent this?
>
> Best regards,
> Bart
>
> --
> Bart van den Eijnden
> OSGIS, Open Source GIS
> http://www.osgis.nl
>
>
>
>
>
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