Textpattern Support Forum

Hi sereal.
Calling a txp:article inside a txp:article_custom is technically wrong.

You could try something like this:

<txp:if_individual_article>

  <!-- 
    As you are already at the individual-article context, 
    the value of any article field, like the custom field 'smallORbig',
    is already available for being used, or tested, like you're doing
    with smd_if. Also, class attribute isn't needed, as you aren't using
    the wraptag attribute (class attribute value applies to wraptag).
   -->

  <txp:smd_if field="smallORbig" operator="contains" value="big">
    <txp:article form="article_full_big" />
  <txp:else />
    <txp:article form="article_full" />
  </txp:smd_if>

<txp:else />

  <!-- 
    But here, you are at an article-list context, so the value for any
    article field will be available inside each iteration, but not outside
    it. So the following is *wrong*.  
   -->

<txp:hide>
  <!-- wrong, so we txp:hide it -->
  <txp:smd_if field="smallORbig" operator="contains" value="big">
    <txp:article form="article_short_big" limit="2" />
  <txp:else />
    <txp:article form="article_short" limit="2" />
  </txp:smd_if>
</txp:hide>

  <!-- 
    Instead, it would have been more correct to do it this way:
   -->

  <txp:article class="sec1" limit="2">
    <txp:smd_if field="smallORbig" operator="contains" value="big">
      ... some html and txp tags here, like txp:title, txp:body, etc...
    <txp:else />
      ... some html and txp tags here, like txp:title, txp:body, etc...
    </txp:smd_if>
  </txp:article>   
</txp:if_individual_article>

A better, shorter way to have the same functionality could have been this:

<txp:if_individual_article>

   <!-- 
      Here, you avoid using an smd_if to test 'smallORbig' custom_field value 
      (btw, I would call this cf just 'size').
      Of course, you should have to (re)name your forms to 'article_full_big'
      and 'article_full_small'.
      Also, I've set a default value for the custom_field, in case it has 
      been left empty. So, for any article you forgot (or decided) to leave
      custom_field value empty, that article will be rendered using 'article_full_small'
      form.
   -->

   <txp:article form='article_full_<txp:custom_field name="smallORbig" default="small" />' />

<txp:else />

   <!-- 
     OK, now you are at article-list context. Let's do a similar trick. 
     txp:article will fetch the list of articles, and on each iteration
     each article will be rendered using a particular form, according
     to the custom_field value. Of course, you will need to rename
    form 'article_short' to 'article_short_small'.
   -->

  <txp:article limit="2">
    <txp:output_form form='article_short_<txp:custom_field name="smallORbig" default="small" />'  />
  </txp:article>

</txp:if_individual_article>

Shorter and easier, right? And, in this version, no need for the great, invaluable smd_if swiss knife.

Note that when you use txp:tags inside other txp:tags (as attribute values), you will need to use single quote (’) instead of double quote.

@maniqui Compliments for analysis, comments and better solution. Great value!

Figured out how to test for an IP address…

 <txp:smd_if field="svrvar:REMOTE_ADDR" operator="eq" value="127.0.0.1">
     ...conditional content here...
 </txp:smd_if>

mericson wrote:

The opening article suggests this plugin can be used for conditional based on IP Address. I don’t know what variable(s) to use to achieve that, can someone post the use of smd_if for IP address conditional ?

philwareham wrote:

I want to increment a number in some javascript

You’re probably better off with rvm_counter, adi_calc or aks_var for this job.

I need to be able to execute an anchor tag (turn some text in to a link) if, and only if, the custom field data from the article in which it appears is also in another article. Only one custom field to check here; the value must appear in more than one article so that links to lists of articles with this value are created automatically.

Seems like txp:smd_if is up to the challenge, but I’m new to it and I can’t think of how to use it properly to accomplish this. Any ideas?

EDIT: Repost from “How do I?” forum. Couldn’t get any help there.