Re: [Gwt-openlayers-users] Implementing additional Openlayers functions.

[Edwin C. <com...@gm...>]

Hi John,

Have a look at the ModifyFeature control.

>From ModifyFeatureImpl:

    public static native JSObject
createOnModificationStartCallback(OnModificationStartListener
listener)/*-{
        var callback = function(obj){
            var vectorFeatureObj =
@org.gwtopenmaps.openlayers.client.feature.VectorFeature::narrowToVectorFeature(Lorg/gwtopenmaps/openlayers/client/util/JSObject;)(obj);
            listener.@org.gwtopenmaps.openlayers.client.control.ModifyFeature.OnModificationStartListener::onModificationStart(Lorg/gwtopenmaps/openlayers/client/feature/VectorFeature;)(vectorFeatureObj);
        }
        return callback;
    }-*/;


>From ModifyFeatureOptions:

    public void onModificationStart(OnModificationStartListener listener) {
        JSObject callback =
ModifyFeatureImpl.createOnModificationStartCallback(listener);
        getJSObject().setProperty("onModificationStart", callback);
    }

>From ModifyFeature:

    public interface OnModificationStartListener {
        void onModificationStart(VectorFeature vectorFeature);
    }

Greetings,
Edwin

On 2 January 2011 23:48, John Preston <byh...@gm...> wrote:
> Hi, I'm new to gwt-openlayers but I I have been using straight
> openlayers javscript for a few years and I think that port is quit
> good and useful.
>
> I'm looking for a little help to get started to add a few of the
> missing functionality that I use in my code. I need the
> Openlayers.loadURL function to access some xml code on the same server
> as the maps that I'm viewing.
>
> I can add the main function quiet easily but can anyone give me a few
> lines that shows me how to add the callbacks that I need to pass to
> the Openlayers.loadURL function.
>
> John
>
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