[mapguide-users] Get selected layers from server side

[Kori Maleski]

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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