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RE: Looping using XSL

2002-10-01 23:23:31
Hi,

I am trying to use a number in an xml file to define the 
number of times 
an image gets placed on the page. As the number appears only once and 
there are no nodes to count or group I'm a little bit stuck.

The XML looks like this:
<mood>
   <rating>5</rating>
</mood>

In this case I want to put five iterations of the image on 
screen like this:

<div class="moodbar"><img 
src="layout/global/pics/mood-red.gif" alt="" 
/></div>
<div class="moodbar"><img 
src="layout/global/pics/mood-red.gif" alt="" 
/></div>
<div class="moodbar"><img 
src="layout/global/pics/mood-red.gif" alt="" 
/></div>
<div class="moodbar"><img 
src="layout/global/pics/mood-red.gif" alt="" 
/></div>
<div class="moodbar"><img 
src="layout/global/pics/mood-red.gif" alt="" 
/></div>

Is there a way of doing this so if the number is changed 
(with a max of 
17 possible) the number of images will change?

Recursion is your friend.

template rater
  param i
  if $i > 0
    <div class="moodbar">
      <img src="layout/global/pics/mood-red.gif" alt="" />
    </div>
    call-template rater
      with-param i $i - 1 

Or you could use the Piez Method, but I remember WP himself saying that "it's a 
cheat".

Cheers,

Jarno

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