Re: Managing Groups of Elements?

On Fri, Jul 02, 1999 at 10:31:44AM +0100, Nigel Byrnes wrote:
> Considering the following DTD:
> 
> <!ELEMENT news (title, newsItem*)>
> <!ELEMENT title (#PCDATA)>
> 
> <!ELEMENT newsItem (headline, strapline, link)>
> <!ELEMENT headline (#PCDATA)>
> <!ELEMENT strapline (#PCDATA)>
> <!ELEMENT link (#PCDATA)>
 
> The problem is that the number of newsItems may be too large to fit on
> one screen. Indeed I have a requirement to fit no more than four
> newsItems on one page. In cases where there are more than four, a link
> should be present at the bottom of the page to navigate to the next
> page.

I suggest using something like these fragments to match your newsItems.
The first case is the normal case, the second case deals with adding
the link in when there's more than 4 elements, and the third case
simply ensures that the surplus elements aren't displayed.

<xsl:template match="news/newsItem[position() &lt; 5]">
 <xsl:apply-templates/>
</xsl:template>

<xsl:template match="news/newsItem[position()=5]">
 <a href="more.html">Click here for more</a>
</xsl:template>

<xsl:template match="news/newsItem[position() &gt; 5]">
</xsl:template>

You can make a similar stylesheet for the second page following
this pattern.  The mental jump I find one needs to make is away
from trying to count out your elements and concentrate on
matching them instead.  I've tested this with XT, by the way.

regards

-- 
Edd Dumbill | Director, Useful Information Co. & Pharmalicensing Ltd
tel: +44 (0) 702-093-6870 | edd@xxxxxxxxxxxxx | http://usefulinc.com
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