Re: [Gwt-openlayers-users] Any idea's about map.getControls() ?

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

Hi Andrew,

I am not sure what goes wrong, but apparently it happens in the
getPropertyAsArray method. I hope to be able to look at it tomorrow

The VectorFormat read method shows how an array can be retrieved
without the getPropertyAsArray method, so maybe that is an option.

Greetings,
Edwin

On 9 June 2010 02:15, Andrew Hughes <ahh...@gm...> wrote:
> I tried the following (in Map):
> /**
>  * This will fetch all of the controls on the map.
>  * @return the Controls or an empty array.
>  */
> public  Control[] getControls(){
> JSObject[] jsObjects = getJSObject().getPropertyAsArray("controls");
> int count = jsObjects.length;
> Control[] controls = new Control[count];
> for(int i =0; i < count ;i++){
> controls[i] = Control.narrowToControl(jsObjects[i]);
> }
> return controls;
> }
> But this doesn't work, I'm out of my depth with JSNI...
>
> java.lang.IllegalArgumentException: Something other than a Java object was
> returned from JSNI method
> '@org.gwtopenmaps.openlayers.client.util.JSObjectHelper::getProperty(Lorg/gwtopenmaps/openlayers/client/util/JSObject;Ljava/lang/String;)':
> JS value of type int, expected java.lang.Object
>
>
> 	at com.google.gwt.dev.shell.JsValueGlue.get(JsValueGlue.java:178)
> 	at
> com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:266)
> 	at
> com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
>
>
> 	at
> org.gwtopenmaps.openlayers.client.util.JSObjectHelper.getProperty(JSObjectHelper.java)
> 	at
> org.gwtopenmaps.openlayers.client.util.JSObject$.getProperty$(JSObject.java:100)
> 	at
> org.gwtopenmaps.openlayers.client.util.JSObject$.getPropertyAsArray$(JSObject.java:141)
>
>
> 	at org.gwtopenmaps.openlayers.client.Map.getControls(Map.java:124)
>
> Any help would be greatly appreciated :)
>
> On Tue, Jun 8, 2010 at 5:58 AM, Edwin Commandeur
> <com...@gm...> wrote:
>>
>> Hi Andrew,
>>
>> That would be easy to add as a method to the Map, and it seems to make
>> sense. Controls are stored in an array on the map. We need to get the
>> JSObjects, narrow them to controls and return them in a Collection. I
>> guess there is no method for that in OpenLayers because accessing the
>> controls array is so easy in Javascript.
>>
>> Greetings,
>> Edwin
>>
>> On 7 June 2010 09:01, Andrew Hughes <ahh...@gm...> wrote:
>> > Hi Guys,
>> > I need to be able to manipulate all the controls on a map, but I can't
>> > do
>> > anything like... map.getControls(); any ideas?
>> > Cheers
>> > --AH
>> > p.s. I really need to iterate over all controls and remove the ones I
>> > don't
>> > want.
>> >
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>
>
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