[mapguide-users] How to get selected area information in mapguide

[Jackie Ng]

Are you sure there is selection xml in $_POST['SELECTION'] ?

- Jackie


nekad wrote:
> 
> i have included constants.php
> 
> and there is no problem with MgServiceType anymore...
> 
> but, now i got the problem in finding the information of selected area...
> 
> when i run this code
> $selection = new MgSelection($map, $_POST['SELECTION']); 
> $layers = $selection->GetLayers();
> 
> it returns nothing, seems like i don't select any area on the map?
> can you help me?
> 
> Jackie Ng wrote:
>> 
>> PHP does not support enums, so all the mapguide constants like
>> MgServiceType, MgResourceType, etc are stored and defined in the
>> constants.php file in your mapviewerphp directory.
>> 
>> Have you included this file?
>> 
>> - Jackie
>> 
>> 
>> nekad wrote:
>>> 
>>> Hey guys..
>>> I'm newbie in GIS world
>>> I'm using Mapguide  and mapguide maestro 1.0.9
>>> 
>>> What i want is,
>>> when user click a selected area, then they can right click and choose
>>> the link i provided, let say "ViewData"
>>> 
>>> when user click ViewData, then it will show a popup window which display
>>> relevant information of selected area...
>>> 
>>> But, my problem is, I don't know how to get the information..
>>> 
>>> I have coded by following the sample,
>>> $args = ($_SERVER['REQUEST_METHOD'] == 'POST') ? $_POST : $_GET;	
>>>     $sessionId = $args['SESSION'];
>>> 	echo $sessionId."<br>";
>>>     $mapName = $args['MAPNAME'];
>>> 	echo $mapName."<br>";
>>>     try
>>>     {
>>>       // Initialize the Web Extensions and connect to the Server using
>>>       // the Web Extensions session identifier stored in PHP session
>>> state.
>>> 		
>>>       MgInitializeWebTier ($webconfigFilePath);
>>> 	  
>>> 	  $userInfo = new MgUserInformation($sessionId);
>>> 	  //$userInfo = new MgUserInformation("Administrator", "admin");
>>> 	  echo "USER";
>>>       $siteConnection = new MgSiteConnection();echo "CON";
>>> 	  $siteConnection->Open($userInfo);echo "open";
>>> 	  $resourceService =
>>> $siteConnection->CreateService(MgServiceType::ResourceService); echo
>>> "resource";
>>> 
>>> when i run it, popwindow will display echo till "CON", but "resource"
>>> will not shown...
>>> what is the problem?
>>> somebody can help me the simple way to do my needs?
>>> 
>>> thx
>>> 
>> 
>> 
> 
> 

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