[Chameleon] oMapSession and MapQuery object

[Eric Bridger]

Thanks Ken (and Will). That did it. And I scanned that post, but it
didn't register.



On Wed, 2004-08-11 at 12:24, Ken Sanderson wrote:
> Will posted the following yesterday in regards to one of my questions:
> 
> ***********
> When you extend the NavTool widget you need to reference the Map object 
> this way:
> 
> $this->moMapNavigator->oSession->oMap
> 
> So your array of layer names would be like this:
> 
> $aszLayerNames =
> $this->moMapNavigator->oSession->oMap->getAllLayerNames();
> ***********
> 
> Hope that helps,
> 
> Ken
> 
> 
> -----Original Message-----
> From: chameleon-bounces at lists.maptools.org
> [mailto:chameleon-bounces at lists.maptools.org] On Behalf Of Eric Bridger
> Sent: August 11, 2004 9:35 AM
> To: chameleon at lists.maptools.org
> Subject: [Chameleon] oMapSession and MapQuery object
> 
> 
> I am writing a custom widget, based on the 1.99 Query widget, which
> displays results in a popup window. My intent is to exectue a point
> query on a layer, but not use a popup window. I just want the query
> results.
> 
> I've got my new widget working. It extends the NavTool widget and I'm
> trying to move the code from Query/QueryResults.phtml (this is the
> source for the Query popup window into my custom widget.
> 
> But I seem to be having trouble with $oMapSession, used to create a
> MapQuery object: $oMapQuery = new MapQuery($oMapSession);
> 
> In my widget I have:
> define("LOAD_MAPSESSION", 1);
> include_once(CHAMELEON_PATH."/widgets/session.inc.php");
> include_once( CHAMELEON_PATH."/common/wrapper/map_query.php" );
> 
> 
> The MapQuery->executePointQuery() is returning no results.  I suspect
> the $oMapSession because the $oMapSession->$oMap->nLayers is not set.
> 
> In my widget I can successfully use:
> $oMap =& $this->moMapObject->oMap;
> 
> So perhaps my problem is how to access $oMapSession in a NavTool widget?
> 
> Very similiar code in the QueryResults.phtml works fine.
> 
> Eric