[Xerte] Re: rootIcon.loadIcon() - getting it working with xml

[Dave Burnett]

The evil eval!


Date: Tue, 6 Dec 2011 14:21:27 +0000
From: johnathan.kemp at ntlworld.com
To: xerte at lists.nottingham.ac.uk
Subject: [Xerte] Re: rootIcon.loadIcon() - getting it working with xml

Thank you Julian, once again.

That's another fine mess you've got me out of!
Kind regards
Johnathan

On 6 December 2011 09:23, Julian Tenney <Julian.Tenney at nottingham.ac.uk> wrote:








Fay is right: you are getting the string "FileLocation + 'media/file.jpg'", you need to evaluate it.
 
myPath = expression(templateData.pageName[0].icon, engine); //substitute your page name / attribute name
debug(myPath);
 


From: xerte-bounces at lists.nottingham.ac.uk [xerte-bounces at lists.nottingham.ac.uk] On Behalf Of Kemp Johnathan [johnathan.kemp at ntlworld.com]


Sent: 05 December 2011 22:19

To: Xerte discussion list

Subject: [Xerte] rootIcon.loadIcon() - getting it working with xml






The Xerte help specifies 






rootIcon.loadIcon(FileLOcation + 'media/icon.png');




as the way to call loadIcon, but how do you use it when you don't want to hard code the file name?





I have an xwd based form that collects the url value as

"FileLocation + 'media/bannerTest1.png'"





In my script I have tried





rootIcon.loadIcon(templateData.learningObject[0].projDisplay[0].logoUrl);





which fails, even though




debug(
templateData.learningObject[0].projDisplay[0].logoUrl
);





outputs 





FileLocation + 'media/bannerTest1.png'





I have tried tests such as 





fred = "media/bannerTest1.png";

rootIcon.loadIcon(FileLocation + "'" + fred + "'");



and



fred = "'media/bannerTest1.png'";

rootIcon.loadIcon(FileLocation + fred);




In an attempt to figure out what hoops I will have to go through to get it to work, but the only way I can get the image to display is if I hard code it into the script.




i.e.


rootIcon.loadIcon(FileLocation + 'media/bannerTest1.png');





works.





I cannot get the image to display when the path is passed in a variable.



I don't know if the issue is something to do with FileLocation converting to a path with back slashes whilst the media/bannerTest1.png has a forward slash, but this hasn't stopped
 the method call working when I hard code the file name.





Can anyone suggest a way forward?





Kind regards





Johnathan











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