Re: Sorting XML Nodes

I think it's fair to blame `?sort_by` for this. And as always when
there's no proper built-in for something that is not feasible to
implement as an FTL #function, you should write a
TemplateMethodModelEx for this in Java, pull it into an
#import-ed/#included template with `?new` (or just put it into
Configuration as shared variable), and then call it from the
templates.


Monday, September 19, 2011, 7:52:02 PM, Kirill wrote:

> Hey there,
>
> I need to sort the XML tree based on one of its' nodes.
> Let's say I have the following XML tree:
>
> <root>
> <item id=1/>
> <item id=2/>
> <item id=3/>
> <item id=10/>
> <item id=11/>
> </root>
>
> I've read that freemarker's sort_by built-in is pretty limited,
> i.e. you cannot force the conversion of the sortable to number, for
> example (so you can't do ?sort_by(["var1", "var2?number"])).
> Now, when I do ?sort_by(["item","id"]), the result I get is this, of course:
>
> <root>
> <item id=1/>
> <item id=10/>
> <item id=11/>
> <item id=2/>
> <item id=3/>
> </root>
>
> My question is this - how can I emulate the natural sort order of
> the list, by modifying id variables in the original XML?
> I have full control of the original XML and can modify any values (add string/digits, etc)?
>
> Any ideas?
>
> Thanks much,
> Kirill

-- 
Best regards,
 Daniel Dekany


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