[Chameleon-dev] [Bug 893] New: Be able to configure mapdhtml widget to output map in temporary file

[bugzilla-daemon at maptools.org]

http://www.maptools.org/bugzilla/show_bug.cgi?id=893

           Summary: Be able to configure mapdhtml widget to output map in
                    temporary file
           Product: Chameleon
           Version: 1.99
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Widget
        AssignedTo: chameleon-dev at lists.maptools.org
        ReportedBy: yassefa at dmsolutions.ca


Add a configuation parameter in mapdhtml (something like 
DELAYDRAW="[true|false]") that allows to output map files to temprary files 
instead of calling the drawmap.php when the page loads.

This change seems to solve a esoteric bug in IE where sometimes the map is not 
rendered.

here is an e-mail sent about the situation/solution :

The changes are minmal : here is what I did :

  1) MapDHTML.widget.php : in function GetJavascriptVariables (around line 
468) :
   comment the 3 lines and add the 3 additional lines :

     //$url = WEBCOMMON."/wrapper/drawmap.php?
map_session_mode=$nMapSessionMode&run_query=0&".SID.$szFatalImage;
        //if (!$bCWCJSAPI)
        //$url .= "&dummy=".urlencode(microtime());

        $oMap = $this->moMapObject->oMap;

        $img = $oMap->draw();
        $url = $img->saveWebImage();

  2) in MapDHTML.js : function MapLayerDivImgOnLoad

    comment the line : //url = url + "&UniqId="+unique; 

 AFAIK : this chaneg does not affect any widgets except the Query widget when 
using the persistent results anf highlight results. Maybe Paul knows more 
about other widgets.



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