Hi Kencana,
Sure, I send you the code.
I've made two controls and an handler. I've refactored SelectFeature (The
openlayers control and named it as selectFeatureControl), DragFeature (Another
openlayers control and named it as DragFeatureControl) and an handler, to
virtualizes the layers.
To use SelectFeatureControl is as simple as that:
To receive events when a mouseover event occurs you have to register on
the mouseover event:
SelectFeatureControlInstance.registerEvent(feature,
'mouseover', this, function(str){ /*do something*/ }, ['foo'])
To use DragFeatureControl:
This control can make your feature draggable and can throw events like:
dragstart, drag and dragend. To make a feature draggable you must add the
feature to the control:
DragFeatureContrlInstance.addFeature(feature)
To receive events like drag, dragend and dragstart you must register a
listener:
DragFeatureControlInstance.registerEvent(feature, 'drag', this,
function(str){/* do something */}, ['foo'])
As in OpenLayers, to use this controls them must be added to the map.
Best Regards,
André Matos
http://mapas.sapo.pt
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of kencana
Sent: quinta-feira, 12 de Março de 2009 01:18
To: [email protected]
Subject: Re: [OpenLayers-Users] Problem with multiple SelectFeature controls
Hi André,
I am facing the same problem as yours. can I know how you make it
work?perhaps, can you share the code with me?
thank you
Regards,
Kencana
Andre Pereira de Matos wrote:
>
> We have implemented another solution for this problem...
>
> We made a control that throws events (click, mouseover, mouseout) for a
> specific group of features, and we don't mind if the features are in
> different layers or not.
>
> It just works... If anyone want the code I can share it...
>
> I sent a mail to openlayers dev to contribut with it, and I am still
> waiting for any replay.
>
> Regards,
> André Matos
> http://maps.sapo.pt
>
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> On Behalf Of Bill Thoen
> Sent: quarta-feira, 14 de Janeiro de 2009 16:43
> To: Joao Campos Duarte (PRIMEIT)
> Cc: [email protected]
> Subject: Re: [OpenLayers-Users] Problem with multiple SelectFeature
> controls
>
> From the responses I'm getting in the "[OpenLayers-Users] Switching
> Layers Assigned to a SelectFeature Control" thread and some Googling it
> appears that handling multiple vector layers simultaneously in
> OpenLayers is not well supported. In fact, it basically won't work. Only
> one layer of features can be selectable at a time.
>
> What I'm trying is to create only one SelectFeature control, but then
> allow the user to pick which layer they want to be "active". After they
> choose, I destroy the current SelectFeature control and replace it with
> a new SelectFeature control that uses the new layer. It's not elegant,
> but it seems to work.
>
>
>
>
> Joao Duarte wrote:
>>
>> Hi,
>>
>> I've added several GML layers to the map. Each layer contains data
>> from a KML file. The layers are all displayed well, the problem is
>> when I add the SelectFeature control. I tried adding one control to
>> each layer but this has the problem of only the last added layer gets
>> its control working properly.
>>
>> The problem seems to be caused by the Feature handler. If you have
>> many Feature handlers, only the one assigned to the top layer will work.
>>
>> Any suggestions on how I can have multiple SelectFeature controls,
>> each one associated with a different layer, all working?
>>
>> Best regards,
>>
>> João Duarte
>>
>> http://maps.sapo.pt
>>
>
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