Re: How to use nested directives?

Tuesday, May 22, 2012, 4:50:17 PM, Stefan Undorf wrote:

> Hi fmpplers,
>
> I try to generate my menus dynamically and to activate the current menu i=
tem. So I use one directive
> inside another but I do not know how to do it right. The following is tak=
en from the example below:
>
>     <#if outFile?index_of(m.item.link) !=3D -1>  <!-- m.item.link is unde=
fined -->

This is correct so far, although <#if outFile?cotains(m.item.link)>
would be nicer.

>     <#if outFile?index_of(${m.item.link}) !=3D -1>  <!-- syntax error -->

(It is an error since ${Expression} only makes sense put directly into
static text or into a string literal. Elsewhere you can you just use
Expression as is.)

> Complete example:
>
>     <#assign menus =3D [
>         {"item": {"name": "Motive", "link": "motive.html"}},
>         {"item": {"name": "Action", "link": "action.html"}},

(I assume there will be something else next to the "item" key in that
map, or else that whole map could be eliminated, of course.)

>     ]>
>     <#if currentLanguage =3D=3D "es">
>         <#assign menus =3D [
>             {"item": {"name": "Motivos", "link": "es/motive.html"}},
>             {"item": {"name": "Acci=F3n", "link": "es/action.html"}},
>         ]>
>     </#if>
>     <ul class=3D"nav">
>         <#list menus as m>
>             <li <#if outFile?index_of(m.item.link) !=3D -1>class=3D"activ=
e"</#if>>
>                 <a href=3D"${m.item.link}">${m.item.name}</a>
>             </li>
>         </#list> =

>     </ul>
>
> How can I access the variable m.item.link in the #if?

Just like you did. Furthermore your above example works for me. So,
some of the items has no "link" in it or it's null. That's what the
error message means.

> Thanks,
> Stefan

-- =

Best regards,
 Daniel Dekany


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