[Chameleon] scalebar widget/ print friendly page/session

[Delfos, Jacob]

It appears that you are starting a new session, rather than continuing
the existing one. You should open the existing session by doing
something like this:
 
   define("LOAD_MAPSESSION", "1");
   include_once("../session.inc.php");
   $oMap =& $oMapSession->oMap;
 
You must make sure that the "sid" form variable is passed into the page
that is doing this. Be aware that whereas Firefox can see the form
variables from the main page that a popup or Iframe originates from,
Internet Explorer can NOT, such that the "sid" must be passed
specifically.
 
Hope that works.
 
regards,
 
Jacob
 


________________________________

	From: Brent Lund [mailto:Brent.Lund at state.mn.us] 
	Sent: 14 June 2007 03:58
	To: Brent Lund; Delfos, Jacob; chameleon at lists.maptools.org
	Subject: RE: [Chameleon] scalebar widget/ print friendly
page/session
	
	

	Jacob, 

	 

	As a follow up.   

	 

	Using the code below, my print preview generates a session map
file which indeed shows the scale bar label to be white.   However the
next time I zoom (change extent, map layers) on the original page the
scalebar label is Black.   So there must be another place in the session
variables where the scale label color is set.

	 

	
________________________________


	From: chameleon-bounces at lists.maptools.org
[mailto:chameleon-bounces at lists.maptools.org] On Behalf Of Brent Lund
	Sent: Wednesday, June 13, 2007 12:10 PM
	To: Delfos, Jacob; chameleon at lists.maptools.org
	Subject: RE: [Chameleon] scalebar widget/ print friendly
page/session

	 

	 

	I'm evidently missing something in reverting.   After I call
CWCExecute to generate the page, I reset the scalebar label to white,
but the initial page is not seeing this.  (It's still using the label
color kicked out by the print friendly page)

	 

	...

	  $oApp->CWCExecute();

	session_start();

	
$oApp->moMapSession->oMap->scalebar->label->color->setRGB(255,255,255);

	$_SESSION['gszCurrentState'] = $oApp->moMapSession->saveState();

	session_write_close();

	...

	 

	 

	
________________________________


	From: Delfos, Jacob [mailto:Jacob.Delfos at maunsell.com] 
	Sent: Tuesday, June 12, 2007 6:59 PM
	To: Brent Lund; chameleon at lists.maptools.org
	Subject: RE: [Chameleon] scalebar widget/ print friendly
page/session

	 

	Hi Brent,

	 

	Whatever you do after your widget changes the style of the
scalebar gets applied to your session in general once you use this
command:

	 

	$_SESSION['gszCurrentState'] = $oMapSession->saveState();

	 

	So either avoid having to save the changes to your session, or
revert whatever it is you did as soon as your image has been produced,
and then save it again.

	 

	regards,

	 

	Jacob

	 

	 

		 

		
________________________________


		From: chameleon-bounces at lists.maptools.org
[mailto:chameleon-bounces at lists.maptools.org] On Behalf Of Brent Lund
		Sent: 12 June 2007 23:22
		To: chameleon at lists.maptools.org
		Subject: [Chameleon] scalebar widget/ print friendly
page/session

		I have a page where the scalebar background is non-white
and the scalebar text is white.   The user has the option to view a
"Print Friendly" page where the scalebar has black text.   The problem
is after viewing the "PF" page, the scalebar on the original page takes
on the properties of the "PF" page.   I know the session variables are
being changed - is there a way to either prevent or undo the changes?

		 

		Thanks,

		 

		Brent Lund

		 

		 

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