[OpenLayers-Dev] ModifyFeature control - multiple selection support

Alexandre Dube adube at mapgears.com
Fri Dec 11 11:08:52 EST 2009


Andreas,

Nice. So instead of using a FeatureHandler, the future SelectControl 
would listen to these events instead, right ?

Alexandre


Andreas Hocevar wrote:
> Hi,
>
> I think the future way to go is something based on Tim's experiments
> with the FeatureAgent. See the example:
> http://dev.openlayers.org/sandbox/tschaub/select/examples/feature-events.html
>
> Multilayer support for ModifyFeature would e.g. still not make it
> possible to grab features that are entirely covered by another feature.
> With the FeatureAgent, you would also be able to edit such a feature.
>
> Regards,
> Andreas.
>
> On 2009-12-11 15:10, Alexandre Dube wrote:
>   
>> Hi devs,
>>
>>   === short version ===
>>
>>  * Is there any plan to support multiple feature selection in the 
>> ModifyFeature control ?
>>  * If not, would that make sense to support it ?  (Clicking features 
>> beyond the first one would enable the editing for those as well while 
>> keeping the first one selected too)
>>
>>   === long version : the need ===
>>
>>   There's a Redling tool discussion going on on the GeoExt-dev ML [1].  
>> Among the needs, there's the "multiple feature" edition.  Basically, it 
>> would be possible for a user to select as many feature as they want and 
>> edit their style and/or attributes in a form, but having the possibility 
>> to edit the geometry too would be nice.
>>
>>   After making some tests with the current trunk version of the 
>> ModifyFeature control, it's possible to select many features (with the 
>> standalone option turned on), but if a feature is already selected, 
>> selecting an other feature removes the 1st feature vertexes and 
>> reselecting it won't make them reappear.
>>
>>   === small conclusion ===
>>
>>   I'm doubt the multi-feature edition could be that useful, but who 
>> knows...  I'd like to know your thoughts on the subject, please.
>>
>> Many thanks,
>>
>> [1] http://trac.geoext.org/wiki/ux/Redlining
>>
>>   
>>     
>
>
>   


-- 
Alexandre Dubé
Mapgears
www.mapgears.com




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