[mapguide-users] Get selected layers from server side

[Jim O'Leary]

I know there is always a way to submit a form via POST, but it can be an
unwieldy proces. I am interested to know if the MapGuide server can supply a
list of selected layers to a server-side program.



Kori Maleski-4 wrote:
> 
> I think this isn't possible when using the Ajax viewer, but is possible
> when
> using the DWF viewer.
> 
> Someone may correct me on that...
> 
> Use the Script frame of the Ajax viewer to fire a Form Submit Post to pass
> your selection set instead.
> 
> 
> Cheers,
> 
> Kori Maleski
> 
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Jim O'Leary
> Sent: January-04-08 6:13 PM
> To: mapguide-users at lists.osgeo.org
> Subject: [mapguide-users] Get selected layers from server side
> 
> 
> Is it possible to get a list of the map's selected layers from the server
> side? 
> 
> I know I can get this by making an MgSelection and passing the selection
> XML
> from the client to the server program, like:
> 
> $selection = new MgSelection($map,$_REQUEST['selectionXML']);
> 
> However, I don't want to pass a big selection XML string to the server
> program, as I am passing by GET and the selection XML could be greater
> than
> the browser handles. 
> 
> If I make the selection object without including the selection XML, like
> 
> $selection = new MgSelection($map);
> $selectedLayers = $selection->GetLayers();
> $numberLayers = $selectedLayers->GetCount();
> 
> PHP tells me that $selectedLayers is not an object.
> 
> Thanks.
> 
> 
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