[FreeMarker-user] Setting request scope variables from within macro

[Marc Schipperheyn]

Hi,

I'm trying and failing to set a request scope variable from within a macro.

I've tried
<#global delayPhoto = 0>
<#macro delayedPhoto photo path type="thumb" >
<#if (.globals.delayPhoto > 0)>
<#global delayPhoto = .globals.delayPhoto + 1>
<#else>
<#global delayPhoto = 1>
[...]

<#global delayPhoto = 0>
<#macro delayedPhoto photo path type="thumb" >
<#if (delayPhoto > 0)>
<#global delayPhoto = delayPhoto + 1>
<#else>
<#global delayPhoto = 1>
[...]

and some other variations but delayPhoto always
remain 0 when the macro is called.

How do I set a request scope variable from within a macro?

[echineselearning]

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[Daniel Dekany]

It should work with both variations. But, maybe there's a
misunderstanding regarding the life-cycle of the global scope here.
When your top-level template terminates, the global scope will be
released. It doesn't correspond to the request.

FreeMarker has no concept of Request-s or anything that's HTTP- or
Servlet-related. So how do you read or write the Request attributes
(if you can at all) is up to the Web Application Framework authors (or
to the application authors).
--
Best regards,
Daniel Dekany

Post by Marc Schipperheyn
Hi,
I'm trying and failing to set a request scope variable from within a macro.
I've tried
<#global delayPhoto = 0>
<#macro delayedPhoto photo path type="thumb" >
<#if (.globals.delayPhoto > 0)>
<#global delayPhoto = .globals.delayPhoto + 1>
<#else>
<#global delayPhoto = 1>
[...]
<#global delayPhoto = 0>
<#macro delayedPhoto photo path type="thumb" >
<#if (delayPhoto > 0)>
<#global delayPhoto = delayPhoto + 1>
<#else>
<#global delayPhoto = 1>
[...]
and some other variations but delayPhoto always
remain 0 when the macro is called.
How do I set a request scope variable from within a macro?